gcc/ChangeLog

   1 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
   2
   3         PR c/24581
   4         * c-typeck.c (build_binary_op): Handle arithmetic between one real
   5         and one complex operand specially.
   6         * tree-complex.c (some_nonzerop): Do not identify a real value as
   7         zero if flag_signed_zeros.
   8
   9 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
  10
  11         PR rtl-optimization/33928
  12         * loop-invariant.c (record_use): Fix && vs. || mishap.
  13
  14 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
  15
  16         PR rtl-optimization/33928
  17         * loop-invariant.c (struct use): Add addr_use_p.
  18         (struct def): Add n_addr_uses.
  19         (struct invariant): Add cheap_address.
  20         (create_new_invariant): Set cheap_address.
  21         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
  22         (record_uses): Pass df_ref to record_use.
  23         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses used
  24         only as such.
  25
  26 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
  27
  28         * config/sh/sh.c: Do not include c-pragma.h.
  29
  30 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  31
  32         * config/spu/spu.c: Remove include of c-common.h.
  33
  34 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
  35
  36         PR c/39037
  37         * c-common.h (mark_valid_location_for_stdc_pragma,
  38         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
  39         clear_float_const_decimal64, float_const_decimal64_p): New.
  40         * c.opt (Wunsuffixed-float-constants): New.
  41         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
  42         unsuffixed float constant, handle new warning.
  43         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
  44         * c-decl.c (c_scope): New flag float_const_decimal64.
  45         (set_float_const_decimal64, clear_float_const_decimal64,
  46         float_const_decimal64_p): New.
  47         (push_scope): Set new flag.
  48         * c-parser.c (c_parser_translation_unit): Mark when it's valid
  49         to use STDC pragmas.
  50         (c_parser_external_declaration): Ditto.
  51         (c_parser_compound_statement_nostart): Ditto.
  52         * c-pragma.c (valid_location_for_stdc_pragma,
  53         mark_valid_location_for_stdc_pragma,
  54         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
  55         handle_pragma_float_const_decimal64): New.
  56         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
  57         * cp/semantics.c (valid_location_for_stdc_pragma_p,
  58         set_float_const_decimal64, clear_float_const_decimal64,
  59         float_const_decimal64_p): New dummy functions.
  60         * doc/extend.texi (Decimal Float): Remove statement that the
  61         pragma, and suffix for double constants, are not supported.
  62         * doc/invoke.texi (Warning Options): List new option.
  63         (-Wunsuffixed-float-constants): New.
  64
  65 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
  66
  67         * config/i386/i386.c: Do not include c-common.h.
  68
  69 2009-05-07  Mark Heffernan  <meheff@google.com>
  70
  71         * doc/invoke.texi (Debugging Options): Document change of debugging
  72         dump location.
  73         * opts.c (decode_options): Make dump_base_name relative to
  74         aux_base_name directory.
  75
  76 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
  77
  78         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
  79         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
  80
  81 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
  82
  83         * Makefile.in (install-plugin): Simplify a bit.
  84
  85 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
  86
  87         * Makefile.in (OBJS-common): Add regcprop.o.
  88         (regcprop.o): New.
  89         * timevar.def (TV_CPROP_REGISTERS): New.
  90         * regrename.c (regrename_optimize): Return 0.
  91         (rest_of_handle_regrename): Delete.
  92         (pass_rename_registers): Point to regrename_optimize.
  93         (struct value_data_entry, struct value_data,
  94         kill_value_one_regno, kill_value_regno, kill_value,
  95         set_value_regno, init_value_data, kill_clobbered_value,
  96         kill_set_value, kill_autoinc_value, copy_value,
  97         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
  98         replace_oldest_value_reg, replace_oldest_value_addr,
  99         replace_oldest_value_mem, copyprop_hardreg_forward_1,
 100         debug_value_data, validate_value_data): Move...
 101         * regcprop.c: ... here.
 102         (rest_of_handle_cprop): Delete.
 103         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
 104
 105 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
 106
 107         PR middle-end/40057
 108         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
 109         GEN_INT for 1 << bitnum.
 110         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
 111         build_int_cst_type.
 112
 113 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
 114
 115         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
 116         Remove wrong description of "nand" functionality.
 117
 118 2009-05-06  Richard Guenther  <rguenther@suse.de>
 119             Adam Nemet  <anemet@caviumnetworks.com>
 120
 121         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
 122         comment.  Add that if LHS is not a gimple register, then RHS1 has
 123         to be a single object (GIMPLE_SINGLE_RHS).
 124
 125 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
 126
 127         * expr.c (get_def_for_expr): Move it up in the file.
 128         (store_field): When expanding a bit-field store, look at the
 129         defining gimple stmt for the masking conversion.
 130
 131 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
 132
 133         PR middle-end/39986
 134         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
 135         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
 136         32-bit memcpy into long.
 137
 138 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
 139
 140         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
 141         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
 142         new_reg_loc_descr.
 143         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
 144         instead of appending DW_OP_deref*.
 145
 146 2009-05-06  Michael Matz  <matz@suse.de>
 147
 148         PR middle-end/40021
 149         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
 150         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
 151
 152 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
 153
 154         * Makefile.in (install-plugin): Fix srcdir handling.
 155
 156 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
 157
 158         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
 159         when processing for not_regs_needed bitmap.
 160         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
 161         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
 162         handling it for rhs.
 163
 164 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
 165
 166         * config/i386/i386.md (unnamed inc/dec peephole): Use
 167         optimize_insn_for_size_p instead of optimize_size.
 168         * config/i386/predicates.md (incdec_operand): Likewise.
 169         (aligned_operand): Likewise.
 170         * config/i386/sse.md (divv8sf3): Likewise.
 171         (sqrtv8sf2): Likewise.
 172
 173 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
 174
 175         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
 176
 177         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
 178
 179 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
 180
 181         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
 182         ssemodesuffixf2c with avxmodesuffixf2c.
 183
 184 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
 185
 186         PR c/40032
 187         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
 188
 189 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
 190
 191         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
 192         (struct tree_base): Adjust spacing for 8 bit boundaries.
 193         (struct tree_decl_common): Add decl_by_reference_flag bit.
 194         (DECL_BY_REFERENCE): Adjust.
 195         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
 196         print DECL_BY_REFERENCE bit.
 197         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
 198         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
 199         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
 200         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
 201         unconditionally.
 202
 203         PR middle-end/39666
 204         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
 205         range of the type, but default label is missing, add it with one
 206         of the existing labels instead of adding a new label for it.
 207
 208 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
 209
 210         * dwarf.h: Remove.
 211
 212 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
 213
 214         * Makefile.in (enable_plugin, plugin_includedir): New.
 215         (install): Depend on install-plugin.
 216         (PLUGIN_HEADERS): New.
 217         (install-plugin): New.
 218         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
 219
 220 2009-05-05  Richard Guenther  <rguenther@suse.de>
 221
 222         PR tree-optimization/40022
 223         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
 224         the only vuse.
 225         (phivn_valid_p): Fix tuplification error, simplify.
 226         (phiprop_insert_phi): Add dumps.
 227         (propagate_with_phi): Simplify.
 228
 229 2009-05-05  Richard Guenther  <rguenther@suse.de>
 230
 231         PR middle-end/40023
 232         * builtins.c (gimplify_va_arg_expr): Properly build the address.
 233
 234 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
 235
 236         * tree.h (strip_float_extensions): Remove duplicate declaration.
 237         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
 238         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
 239         block_ultimate_origin): Rearrange the declarations line to match the
 240         comment that indicates the .c file which the functions are defined.
 241         (dwarf2out_*, set_decl_rtl): Add comment.
 242         (get_base_address): Adjust comment.
 243         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
 244         declarations line and add comment.
 245         (is_builtin_name): Add blank after function name, for clarity.
 246
 247 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
 248
 249         * attribs.c (decl_attributes): Use %qE for identifiers in
 250         diagnostics.
 251         * cgraphunit.c (verify_cgraph_node): Translate function names to
 252         locale character set in diagnostics.
 253         * coverage.c (get_coverage_counts): Use %qE for identifiers in
 254         diagnostics.
 255         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
 256         Document that functions are named in UTF-8.
 257         * expr.c (expand_expr_real_1): Translate function names to locale
 258         character set in diagnostics.
 259         * gimplify.c (omp_notice_variable, omp_is_private,
 260         gimplify_scan_omp_clauses): Use %qE for identifiers in
 261         diagnostics.
 262         * langhooks.c (lhd_print_error_function): Translate function names
 263         to locale character set.
 264         * langhooks.h (decl_printable_name): Document that return value is
 265         in internal character set.
 266         * stmt.c: Include pretty-print.h
 267         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
 268         diagnostics.
 269         (resolve_operand_name_1): Translate named operand name to locale
 270         character set.
 271         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
 272         diagnostics.
 273         * toplev.c (announce_function): Translate function names to locale
 274         character set.
 275         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
 276         (default_tree_printer): Use pp_identifier or translate identifiers
 277         to locale character set.  Mark "<anonymous>" for translation.
 278         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
 279         for identifiers in diagnostics.
 280         * tree.c (handle_dll_attribute): Use %qE for identifiers in
 281         diagnostics.
 282         * varasm.c (output_constructor): Use %qE for identifiers in
 283         diagnostics.
 284
 285 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
 286
 287         * configure.ac: use ` ` instead of $()
 288         * configure: Regenerate.
 289
 290 2009-05-05  Ben Elliston  <bje@au.ibm.com>
 291
 292         * config/pa/linux-atomic.c: Eliminate conditional include of
 293         errno.h on non-LP64 systems to simplify build requirements.
 294
 295 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
 296
 297         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
 298         diagnostics.
 299         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
 300         and pass value to identifier_to_locale.
 301         (warn_variable_length_array): Make name a tree.
 302         (grokdeclarator): Separate diagnostic texts for named and unnamed
 303         declarators.  Use %qE for named declarators.
 304         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
 305         diagnostics.
 306         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
 307         identifiers in diagnostics.
 308         * c-typeck.c (push_member_name, start_init): Pass identifiers to
 309         identifier_to_locale.  Mark "anonymous" strings for translation.
 310
 311 2009-05-04  Michael Eager <eager@eagercon.com>
 312
 313         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
 314         address for DImode/DFmode only if double-precision FP regs.
 315
 316 2009-05-04  Michael Eager <eager@eagercon.com>
 317
 318         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
 319         TARGET_SINGLE_FLOAT check.
 320
 321 2009-05-04  Michael Eager <eager@eagercon.com>
 322
 323         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
 324
 325 2009-05-04  Michael Eager <eager@eagercon.com>
 326
 327         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
 328         * config/rs6000/t-xilinx: New
 329
 330 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
 331
 332         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
 333         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
 334         * gcc/explow.c (memory_address): Use target hook.
 335         * gcc/targhooks.c (default_legitimize_address): New.
 336         * gcc/targhooks.h (default_legitimize_address): New.
 337         * gcc/target.h (legitimize_address): New.
 338         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
 339         (TARGET_INITIALIZER): Include it.
 340         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
 341
 342         * config/bfin/bfin-protos.h (legitimize_address): Remove.
 343         * config/bfin/bfin.c (legitimize_address): Remove.
 344         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
 345         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
 346         Remove.
 347         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
 348         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
 349
 350         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
 351         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
 352         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
 353         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
 354         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
 355         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
 356         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
 357         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
 358         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
 359         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
 360         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
 361         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
 362         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
 363         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
 364         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
 365         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
 366         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
 367         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
 368         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
 369         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
 370         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
 371         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
 372         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
 373
 374         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
 375         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
 376         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
 377         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
 378         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
 379         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
 380         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
 381         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
 382         (thumb_legitimize_address): Delete.
 383         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
 384         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
 385         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
 386         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
 387         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
 388         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
 389         Delete.
 390         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
 391         Delete.
 392
 393         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
 394         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
 395         * config/m32r/m32r.c (m32r_legitimize_address): New.
 396         * config/m68k/m68k.c (m68k_legitimize_address): New.
 397         * config/score/score.c (score_legitimize_address): Standardize.
 398         * config/score/score3.c (score3_legitimize_address): Standardize.
 399         * config/score/score3.h (score3_legitimize_address): Adjust.
 400         * config/score/score7.c (score7_legitimize_address): Standardize.
 401         * config/score/score7.h (score7_legitimize_address): Adjust.
 402         * config/sh/sh.c (sh_legitimize_address): New.
 403         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
 404
 405         * gcc/config/s390/s390.c (legitimize_address): Rename to...
 406         (s390_legitimize_address): ... this.
 407         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
 408         (sparc_legitimize_address): ... this.
 409         * gcc/config/i386/i386.c (legitimize_address): Rename to...
 410         (ix86_legitimize_address): ... this.
 411         * gcc/config/avr/avr.c (legitimize_address): Rename to...
 412         (avr_legitimize_address): ... this.
 413         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
 414         (mn10300_legitimize_address): ... this.
 415         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
 416         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
 417         (alpha_expand_mov): Adjust call.
 418
 419         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
 420         * config/spu/spu.c (spu_legitimize_address): Likewise.
 421         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
 422         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
 423
 424 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
 425
 426         * intl.c (locale_encoding, locale_utf8): New.
 427         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
 428         * intl.h (locale_encoding, locale_utf8): Declare.
 429         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
 430         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
 431         New.
 432         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
 433         argument.
 434         (pp_tree_identifier): Define to call pp_base_tree_identifier.
 435         (pp_base_tree_identifier): Declare as function.
 436         (identifier_to_locale): Declare.
 437         * Makefile.in (pretty-print.o): Update dependencies.
 438         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
 439
 440 2009-05-04  Richard Guenther  <rguenther@suse.de>
 441
 442         PR middle-end/40015
 443         * builtins.c (fold_builtin_memory_op): Do not decay to element
 444         type if the size matches the whole array.
 445
 446 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
 447
 448         * expmed.c (synth_mult): When trying out a shift, pass the result
 449         of a signed shift.
 450
 451 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
 452
 453         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
 454         (shiftsub1_cost): New.
 455         (init_expmed): Compute shiftsub1_cost.
 456         (synth_mult): Optimize multiplications by constants of the form
 457         -(2^^m-1) for some constant positive integer m.
 458
 459 2009-05-03  Richard Guenther  <rguenther@suse.de>
 460
 461         PR c/39983
 462         * c-typeck.c (array_to_pointer_conversion): Do not built
 463         ADDR_EXPRs of arrays of pointer-to-element type.
 464         * c-gimplify.c (c_gimplify_expr): Revert change fixing
 465         up wrong ADDR_EXPRs after-the-fact.
 466         * c-common.c (strict_aliasing_warning): Strip pointer
 467         conversions for obtaining the original type.
 468         * builtins.c (fold_builtin_memset): Handle array types.
 469         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
 470         and array types
 471
 472 2009-05-03  Richard Guenther  <rguenther@suse.de>
 473
 474         PR middle-end/23329
 475         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
 476         Do not lose casts from array types with unknown extent to array
 477         types with known extent.
 478         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
 479         alias set compatibility.
 480
 481 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 482
 483         * flags.h (extra_warnings): Delete.
 484         * toplev.c (process_options): Handle Wuninitialized here.
 485         * opts.c (extra_warnings): Delete.
 486         (set_Wextra): Delete.
 487         (common_handle_option): -Wextra can be handled automatically.
 488         * c-opts.c (c_common_handle_option): Delete obsolete code.
 489         (c_common_post_options): Simplify comment.
 490         * common.opt (W): Add Var.
 491         (Wextra): Add Var.
 492         (Wuninitialized): Initialize to -1.
 493
 494 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
 495             Richard Guenther  <rguenther@suse.de>
 496
 497         * expr.c (get_def_for_expr): New function.
 498         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
 499         SSA rather than trees.
 500         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
 501         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
 502
 503 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
 504
 505         * c-common.c (reswords): Add _Imaginary.
 506         * c-common.c (enum rid): Add RID_IMAGINARY.
 507
 508 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
 509
 510         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
 511         Patch by Richard Guenther.
 512
 513 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
 514
 515         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
 516         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
 517         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
 518         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
 519         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
 520         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
 521         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
 522         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
 523         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
 524         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
 525         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
 526         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
 527         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
 528         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
 529         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
 530         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
 531         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
 532         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
 533
 534 2009-05-02  Richard Guenther  <rguenther@suse.de>
 535
 536         PR tree-optimization/39940
 537         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
 538         doing so.
 539
 540 2009-05-02  Richard Guenther  <rguenther@suse.de>
 541
 542         PR middle-end/40001
 543         * tree-ssa.c (execute_update_addresses_taken): Properly check
 544         if we can mark a variable DECL_GIMPLE_REG_P.
 545         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
 546         back to the end of the function.
 547         (is_gimple_reg_type): Remove complex type special casing.
 548         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
 549         if not optimizing.
 550
 551 2009-05-02  Ben Elliston  <bje@au.ibm.com>
 552
 553         * doc/collect2.texi (Collect2): Document search path behaviour
 554         when configured with --with-ld.
 555
 556 2009-05-02  Jan Hubicka  <jh@suse.cz>
 557
 558         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
 559         parameter; update callers.
 560         (coalesce_cost_edge): EH edges are costier because they needs
 561         splitting even if not critical and even more costier when there are
 562         multiple EH predecestors.
 563
 564 2009-05-02  Jan Hubicka  <jh@suse.cz>
 565
 566         * except.c (remove_eh_handler_and_replace): Handle updating after
 567         removing TRY blocks.
 568
 569 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
 570
 571         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
 572
 573 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
 574
 575         * varasm.c: Do not include c-pragma.h.
 576         * attribs.c: Do not incude c-common.h.
 577
 578 2009-05-01  Michael Matz  <matz@suse.de>
 579
 580         * calls.c (initialize_argument_information): Handle SSA names like
 581         decls with a non MEM_P DECL_RTL.
 582
 583 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
 584
 585         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
 586         * ipa-utils.c: Likewise.
 587         * ipa-type-escape.c: Likewise.
 588         * cgraphunit.c Do not include c-common.h.
 589         * ipa-pure-const.c: Likewise.
 590         * tree-if-conv.c: Likewise.
 591         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
 592         * ipa-struct-reorg.c: Likewise.
 593         * tree-nomudflap.c: Likewise.
 594         * tree-ssa-structalias.c: Likewise.
 595
 596 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
 597
 598         * store-motion.c: Many cleanups to make this pass a first-class
 599         citizen instead of an appendix to gcse load motion.  Add TODO list
 600         to make this pass faster/cleaner/better.
 601
 602         (struct ls_expr): Post gcse.c-split cleanups.
 603         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
 604         "stores" field to "avail_stores".
 605         (pre_ldst_mems): Rename to store_motion_mems.
 606         (pre_ldst_table): Rename to store_motion_mems_table.
 607         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
 608         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
 609         (ldst_entry): Rename to st_expr_entry, update users.
 610         (free_ldst_entry): Rename to free_st_expr_entry, update users.
 611         (free_ldst_mems): Rename to free_store_motion_mems, update users.
 612         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
 613         update caller.
 614         (first_ls_expr): Rename to first_st_expr, update users.
 615         (next_ls_expr): Rename to next_st_expr, update users.
 616         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
 617         fields properly for store motion instead of names inherited from load
 618         motion in gcse.c.
 619         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
 620         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
 621         are done with it.
 622
 623         (ae_kill): Rename to st_kill, update users.
 624         (ae_gen): Rename to st_avloc, update users.
 625         (transp): Rename to st_transp, update users.
 626         (pre_insert_map): Rename to st_insert_map, update users.
 627         (pre_delete_map): Rename to st_delete_map, update users.
 628         (insert_store, build_store_vectors, free_store_memory,
 629         one_store_motion_pass): Update for abovementioned changes.
 630
 631         (gcse_subst_count, gcse_create_count): Remove.
 632         (one_store_motion_pass): New statistics counters "n_stores_deleted"
 633         and "n_stores_created", local variables.
 634
 635         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
 636         use for_each_rtx.
 637
 638         (regvec, compute_store_table_current_insn): Remove.
 639         (reg_set_info, reg_clear_last_set): Remove.
 640         (compute_store_table): Use DF caches instead of local dataflow
 641         solvers.
 642
 643 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
 644
 645         * c-objc-common.c (c_tree_printer): Print identifiers with
 646         pp_identifier, not pp_string.  Mark "({anonymous})" for
 647         translation.
 648         * c-pretty-print.c (pp_c_ws_string): New.
 649         (pp_c_cv_qualifier, pp_c_type_specifier,
 650         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
 651         pp_c_storage_class_specifier, pp_c_function_specifier,
 652         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
 653         pp_c_primary_expression, pp_c_postfix_expression,
 654         pp_c_unary_expression, pp_c_shift_expression,
 655         pp_c_relational_expression, pp_c_equality_expression,
 656         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
 657         use pp_string and pp_c_ws_string in place of pp_identifier and
 658         pp_c_identifier for non-identifiers.  Mark English strings for
 659         translation.
 660         * c-pretty-print.h (pp_c_ws_string): Declare.
 661
 662 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
 663             Roland McGrath <roland@redhat.com>
 664
 665         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
 666         (ENABLE_LD_BUILDID): New configuration option.
 667         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
 668         (LINK_BUILDID_SPEC): New macro.
 669         (init_spec): If defined, prepend it between LINK_EH_SPEC and
 670         link_spec.
 671         * doc/install.texi: Document --enable-linker-build-id option.
 672         * configure: Rebuild.
 673         * config.in: Rebuild.
 674
 675 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
 676
 677         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
 678         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
 679         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
 680         MIPS_GP_SAVE_AREA_SIZE.
 681         * config/mips/mips.c (struct mips_frame_info): Update comment
 682         before arg_pointer_offset and hard_frame_pointer_offset.
 683         (mips_compute_frame_info): Update diagram before function: to
 684         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
 685         indicate the position of frame_pointer_rtx with -fstack-protector and
 686         to show args_size.  Don't allocate cprestore area for leaf functions
 687         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
 688         cprestore_size.
 689         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
 690
 691 2009-04-30  Michael Matz  <matz@suse.de>
 692
 693         PR tree-optimization/39955
 694         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
 695
 696 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
 697
 698         * ira.c (setup_cover_and_important_classes):  Use safe macro
 699         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
 700         directly.
 701         * genpreds.c (write_tm_preds_h):  Output suitable definition of
 702         REG_CLASS_FOR_CONSTRAINT.
 703
 704 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
 705
 706         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
 707         instead of an int.
 708         * bitmap.c (bitmap_descriptor): Likewise.
 709         * ggc-common.c (loc_descriptor): Likewise.
 710         * varray.c (varray_descriptor): Likewise.
 711         * vec.c (vec_descriptor): Likewise.
 712
 713 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
 714
 715         * Makefile.in (dce.o): Add $(EXCEPT_H).
 716         * dce.c: Include except.h and delete redundant vector definitions.
 717         (deletable_insn_p): Return false for non-call insns that can throw
 718         if DF is running.
 719
 720 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
 721
 722         * gcse.c (ae_gen): Remove.
 723         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
 724         and make non-static function to make it available in store-motion.c.
 725         Update call sites with search-and-replace.
 726         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
 727         extract_mentioned_regs, extract_mentioned_regs_helper,
 728         find_moveable_store, compute_store_table, load_kills_store, find_loads,
 729         store_killed_in_insn, store_killed_after, store_killed_before,
 730         build_store_vectors, insert_insn_start_basic_block, insert-store,
 731         remove_reachable_equiv_notes, replace_store_insn, delete_store,
 732         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
 733         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
 734         * store-motion.c: ...new file.  Also copy data structures from gcse.c
 735         and clean up to remove parts not used by store motion.
 736         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
 737         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
 738
 739 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 740
 741         PR target/38571
 742         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
 743         when optimizing for size.
 744
 745 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
 746
 747         * gcse.c (gcse_constant_p): Fix typo in last change.
 748
 749 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
 750
 751         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
 752
 753 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
 754
 755         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
 756
 757 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
 758
 759         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
 760         CONST_HIGH_PART result.
 761
 762 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
 763
 764         * config/avr/avr.c (initial_elimination_offset): Rename to
 765         avr_initial_elimination_offset.
 766         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
 767         change return type to bool.
 768         (avr_can_eliminate): New function.
 769         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
 770         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
 771         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
 772         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
 773         avr_initial_elimination_offset.
 774         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
 775         (avr_initial_elimination_offset): Define.
 776
 777 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
 778             Steven Bosscher  <steven@gcc.gnu.org>
 779
 780         PR rtl-optimization/39938
 781         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
 782         * cfgrtl.c: Include insn-attr.h.
 783         (rest_of_pass_free_cfg): New function.
 784         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
 785         * resource.c (init_resource_info): Remove call to df_analyze.
 786
 787 2009-04-29  Richard Guenther  <rguenther@suse.de>
 788
 789         PR target/39943
 790         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
 791         allow conversion to signed integers.
 792
 793 2009-04-29  Richard Guenther  <rguenther@suse.de>
 794
 795         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
 796         shifts of floating point vectors if the shift amount is
 797         a constant multiple of the element size.
 798
 799 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
 800             Michael Matz  <matz@suse.de>
 801
 802         PR middle-end/39927
 803         PR bootstrap/39929
 804         * tree-outof-ssa.c (emit_partition_copy): New function.
 805         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
 806         insert_part_to_rtx_on_edge): Perform the partition base var
 807         copy using emit_partition_copy.
 808         (insert_value_copy_on_edge): Convert constants to the right mode.
 809         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
 810         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
 811
 812 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 813
 814         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
 815         scan backwards to try to find a constant to initialize it.
 816
 817         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
 818         insn before the loop_end instruction, don't look past labels.
 819
 820 2009-04-29  Richard Guenther  <rguenther@suse.de>
 821
 822         PR middle-end/39937
 823         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
 824         loose type conversions.
 825         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
 826         stmts only if there are no uses of its definition.
 827
 828 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 829
 830         * config/bfin/bfin.h (splitting_loops): Declare.
 831         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
 832         Reorder bit definitions to be ascending.
 833         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
 834         * config/bfin/bfin.c (splitting_loops): New variable.
 835         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
 836         (struct loop_info): Remove members INIT and LOOP_INIT.
 837         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
 838         the LSETUP sequence.  Allow LC to be loaded from any register, but
 839         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
 840         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
 841         set to 1.
 842         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
 843         of reload_completed.
 844
 845         From Jie Zhang:
 846         * config/bfin/bfin.md (movsi_insn): Refine constraints.
 847
 848 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
 849
 850         * Makefile.in (PLUGIN_VERSION_H): New.
 851         (OBJS-common): Remove plugin-version.o.
 852         (plugin.o): Depend on (PLUGIN_VERSION_H).
 853         (plugin-version.o): Remove.
 854         * configure: Regenerate
 855         * configure.ac: Create plugin-version.h.
 856         * gcc-plugin.h (plugin_gcc_version): Remove.
 857         (plugin_default_version_check): Change signature.
 858         * plugin-version.c: Remove.
 859         * plugin.c: Include plugin-version.h.
 860         (str_plugin_gcc_version_name): Remove.
 861         (try_init_one_plugin): Pass gcc version to plugin_init.
 862         (plugin_default_version_check): Both gcc and plugin versions are now
 863         arguments.
 864
 865 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 866
 867         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
 868         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
 869         Remove special case testing for last insn of inner loops. Don't fail
 870         if the loop ends with a jump, emit an extra nop instead.
 871
 872         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
 873         DREGS rather than comparing directly.  Remove code that tries to
 874         account for latencies.
 875
 876 2009-04-29  Richard Guenther  <rguenther@suse.de>
 877
 878         PR tree-optimization/39941
 879         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
 880         eliminating an indirect call.
 881
 882 2009-04-29  Richard Guenther  <rguenther@suse.de>
 883
 884         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
 885         parameter.  Allow invariants as base if !require_lvalue.
 886         (verify_gimple_assign_single): Adjust.
 887
 888 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 889
 890         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
 891         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
 892         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
 893         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
 894         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
 895         a VEC_SELECT.
 896         * config/bfin/bfin.c (bfin_expand_builtin,
 897         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
 898
 899 2009-04-28  Richard Guenther  <rguenther@suse.de>
 900
 901         * tree-vect-loop.c (get_initial_def_for_induction): Use
 902         correct types for pointer increment.
 903
 904 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 905
 906         * toplev.c (print_version): Update GMP version string calculation.
 907
 908 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 909
 910         PR rtl-optimization/39938
 911         * resource.c (init_resource_info): Add call to df_analyze.
 912
 913 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
 914
 915         * config/alpha/alpha.md (usegp): Cast the result of
 916         alpha_find_lo_sum_using_gp to enum attr_usegp.
 917         * config/alpha/alpha.c (override_options): Remove end-of-structure
 918         marker element from cpu_table.  Use array size of cpu_table to handle
 919         -mcpu and -mtune options.
 920         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
 921
 922 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
 923
 924         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
 925         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
 926         tune_32 and tune_64.
 927         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
 928         support on PowerPC.
 929         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
 930         * config/rs6000/option-defaults.h: ... here.  New file.
 931         (OPT_64, OPT_32): Define.
 932         (MASK_64BIT): Define to 0 if not already defined.
 933         (OPT_ARCH64, OPT_ARCH32): Define.
 934         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
 935         and tune_64.
 936
 937 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 938
 939         * config/arm/arm.c (arm_override_options): Emit error on using
 940         fpa with AAPCS.
 941
 942 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
 943
 944         PR rtl-optimization/39914
 945         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
 946         registers for allocnos created from user-defined variables only
 947         when not optimizing.
 948
 949 2009-04-28  Richard Guenther  <rguenther@suse.de>
 950
 951         PR middle-end/39937
 952         * fold-const.c (fold_binary): Use distribute_real_division only
 953         on float types.
 954
 955 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
 956
 957         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
 958         add hpux-stdint.h to tm_file.
 959         (hppa[12]*-*-hpux11*): Ditto.
 960         (ia64*-*-hpux*): Ditto.
 961         * config/hpux-stdint.h: New.
 962         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
 963         __STDC_EXT__ for all compiles.
 964         * config/pa/pa-hpux.h: Ditto.
 965         * config/pa/pa-hpux10.h: Ditto.
 966         * config/pa/pa-hpux11.h: Ditto.
 967
 968 2009-04-28  Catherine Moore  <clm@codesourcery.com>
 969
 970         * debug.h (set_name): Add comment.
 971
 972 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
 973
 974         PR target/39929
 975         * config/darwin.c (machopic_gen_offset): Check
 976         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
 977         * config/arm/arm.c (require_pic_register): Likewise.
 978
 979 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
 980
 981         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
 982         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
 983         m32c_promote_prototypes): Delete.
 984
 985 2009-04-28  Michael Matz  <matz@suse.de>
 986
 987         PR middle-end/39922
 988         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
 989         constants.
 990
 991 2009-04-28  Richard Guenther  <rguenther@suse.de>
 992
 993         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
 994
 995 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 996
 997         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
 998         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
 999         * config/arm/arm-tune.md: Regenerate.
1000
1001 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1002
1003         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1004         block if there are complex incoming edges.
1005         (sel_merge_blocks): Remove useless assert.
1006         (sel_redirect_edge_and_branch): Check that edge was redirected.
1007         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1008         (sel_find_rgns): Delete declaration.
1009         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1010         the region when it is not a preheader.
1011
1012 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1013
1014         PR c/39323
1015         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1016
1017 2009-04-28  Richard Guenther  <rguenther@suse.de>
1018
1019         * tree.h (SSA_NAME_VALUE): Remove.
1020         (struct tree_ssa_name): Remove value_handle member.
1021         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1022         array for jump threading.
1023         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1024         SSA_NAME_VALUEs.
1025         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1026         * tree-flow.h (threadedge_initialize_values): Declare.
1027         (threadedge_finalize_values): Likewise.
1028         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1029         (SSA_NAME_VALUE): Define.
1030         (threadedge_initialize_values): New function.
1031         (threadedge_finalize_values): Likewise.
1032         * tree-ssa-dom.c (ssa_name_values): New global variable.
1033         (SSA_NAME_VALUE): Define.
1034         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1035
1036 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1037
1038         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1039         Use REPORT_VECTORIZED_LOCATIONS instead
1040         REPORT_VECTORIZED_LOOPS.
1041         * tree-vectorizer.c (vect_verbosity_level): Make static.
1042         (vect_loop_location): Rename to vect_location.
1043         (vect_set_verbosity_level): Update comment.
1044         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1045         and vect_location.
1046         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1047         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1048         instead REPORT_UNVECTORIZED_LOOPS.
1049         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1050         vect_loop_def to vect_external_def and vect_internal_def.
1051         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1052         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
1053         REPORT_UNVECTORIZED_LOCATIONS.
1054         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1055         and vect_used_in_loop and to vect_unused_in_scope and
1056         vect_used_in_scope.
1057         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1058         (vect_verbosity_level): Remove declaration.
1059         (vect_analyze_operations): Likewise.
1060         (vect_analyze_stmt): Declare.
1061         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1062         REPORT_UNVECTORIZED_LOCATIONS.
1063         (vect_get_loop_niters): Fix indentation.
1064         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1065         (vect_analyze_loop_operations): New function.
1066         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1067         vect_analyze_operations.
1068         (vect_is_simple_reduction): Use new names.
1069         (vectorizable_live_operation, vect_transform_loop): Likewise.
1070         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1071         specify whether the data references can be a part of interleaving chain.
1072         (vect_analyze_data_ref_dependence): Use new names.
1073         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1074         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1075         * tree-vect-patterns.c (widened_name_p): Use new names.
1076         (vect_recog_dot_prod_pattern): Likewise.
1077         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1078         (process_use, vect_mark_stmts_to_be_vectorized,
1079         vect_model_simple_cost, vect_model_store_cost,
1080         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1081         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1082         vectorizable_operation, vectorizable_type_demotion,
1083         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1084         vectorizable_condition): Likewise.
1085         (vect_analyze_operations): Split into vect_analyze_loop_operations
1086         and ...
1087         (vect_analyze_stmt): ... new function.
1088         (new_stmt_vec_info): Use new names.
1089         (vect_is_simple_use): Use new names and fix comment.
1090         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1091         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1092
1093 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1094
1095         PR target/39911
1096         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1097         and integer modes for x87 operands.  Do not ICE for unsupported size,
1098         generate error instead.  Generate error for unsupported operand types.
1099         ['z']: Do not handle HImode memory operands specially.  Warning
1100         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1101         types.  Do not ICE for unsupported size, generate error instead.
1102         (output_387_binary_op): Use %Z to output operands.
1103         (output_fp_compare): Ditto.
1104         (output_387_reg_move): Ditto.
1105
1106 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1107
1108         PR c++/35652
1109         Revert:
1110
1111         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1112
1113         * builtins.c (c_strlen): Do not warn here.
1114         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1115         * c-common.c (pointer_int_sum): Take an explicit location.
1116         Warn about offsets out of bounds.
1117         * c-common.h (pointer_int_sum): Adjust declaration.
1118
1119 2009-04-27  Ian Lance Taylor  <iant@google.com>
1120
1121         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1122         names to symkind.
1123         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1124         * df-core.c (df_set_flags): Change return type to int.  Change
1125         type of old_flags to int.
1126         (df_clear_flags): Likewise.
1127         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1128         (df_get_conditional_uses): Likewise.
1129         * df.h (df_set_flags, df_clear_flags): Update declarations.
1130         * dwarf2out.c (struct indirect_string_node): Change type of form
1131         field to enum dwarf_form.
1132         (AT_string_form): Change return type to enum dwarf_form.
1133         * fixed-value.c (fixed_compare): Add cast to enum type.
1134         * fwprop.c (update_df): Change 0 to VOIDmode.
1135         * gensupport.c: Change 0 to UNKNOWN.
1136         * gimple.h (gimple_cond_code): Add cast to enum type.
1137         * haifa-sched.c (reemit_notes): Add cast to enum type.
1138         * hooks.c (hook_int_void_no_regs): Remove function.
1139         * hooks.h (hook_int_void_no_regs): Remove declaration.
1140         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1141         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1142         * real.c (real_arithmetic): Add cast to enum type.
1143         (real_compare): Likewise.
1144         * target.h (struct gcc_target): Change return type of
1145         branch_target_register_class to enum reg_class.
1146         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1147         default_branch_target_register_class.
1148         * targhooks.c (default_branch_target_register_class): New function.
1149         * targhooks.h (default_branch_target_register_class): Declare.
1150         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1151         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1152         cast to int.
1153         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1154         ERROR_MARK.
1155         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1156         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1157         * tree-vect-stmts.c (supportable_widening_operation): Don't
1158         initialize icode1 and icode2.
1159         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1160         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1161         and to STD_C89.
1162         (cmn_err_flag_specs): Change 0 to STD_C89.
1163         (cmn_err_char_table): Likewise.
1164         * config/arm/arm.c (get_arm_condition_code): Change type of code
1165         to enum arm_cond_code.
1166         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1167         (IWMMXT_BUILTIN2): Likewise.
1168         (neon_builtin_type_bits): Don't define typedef.
1169         (neon_builtin_datum): Change type of bits field to int.
1170         (arm_expand_neon_args): Add cast to enum type.
1171         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1172         TLS_MODEL_NONE.
1173         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1174         casts to enum type.
1175         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1176         MIPS_FP_COND_f.
1177         * config/mips/mips.md (jal_macro): Return enum constant.
1178         (single_insn): Likewise.
1179         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1180         CODE_FOR_nothing.
1181         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1182         casts to enum type.
1183         * config/s390/s390.c (s390_tune_flags): Change type to int.
1184         (s390_arch_flags): Likewise.
1185         (s390_handle_arch_option): Change flags field of struct pta to int.
1186         * config/s390/s390.h (s390_tune_flags): Update declaration.
1187         (s390_arch_flags): Likewise.
1188         * config/sh/sh.c (prepare_move_operands): Compare
1189         tls_symbolic_operand result with enum constant.
1190         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1191         (sh_expand_prologue): Add cast to enum type.
1192         (sh_expand_epilogue): Likewise.
1193         (tls_symbolic_operand): Change return type to enum tls_model.
1194         (fpscr_set_from_mem): Add cast to enum type.
1195         (legitimize_pic_address): Compare tls_symbolic_operand result with
1196         enum constant.
1197         (sh_target_reg_class): Change return type to enum reg_class.
1198         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1199         PROCESSOR_xxx.
1200         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1201         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1202         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1203         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1204         (delayed_branch, tls_call_delay): Likewise.
1205         (eligible_for_sibcall_delay): Likewise.
1206         (eligible_for_return_delay): Likewise.
1207         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1208         (spu_expand_builtin_1): Likewise.
1209
1210         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1211         for all types of conversions.
1212         (output_init_element): Issue -Wc++-compat warning if needed when
1213         initializing a bitfield with enum type.
1214         * c-parser.c (c_parser_expression): Set original_type to
1215         original_type of right hand operand of comman operator.
1216
1217 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1218
1219         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1220         grammar nits.
1221         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1222         * doc/cpp.texi (Standard Predefined Macros)
1223         (Implementation-defined behavior): Likewise.
1224         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1225         * doc/gimple.texi (GIMPLE Exception Handling)
1226         (@code{GIMPLE_ASSIGN}): Likewise.
1227         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1228         * doc/invoke.texi (Warning Options, Optimize Options)
1229         (AVR Options, Darwin Options): Likewise.
1230         (Optimize Options): Reformulate -fwhole-program description.
1231         * doc/loop.texi (Lambda): Likewise.
1232         * doc/md.texi (Output Template, Define Constraints)
1233         (Standard Names, Insn Splitting): Likewise.
1234         * doc/options.texi (Option properties): Likewise.
1235         * doc/passes.texi (Tree-SSA passes): Likewise.
1236         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1237         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1238         (File Names and DBX): Likewise.
1239         * doc/trouble.texi (Incompatibilities): Likewise.
1240
1241 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1242
1243         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1244         instruction is correct.
1245
1246 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1247
1248         Allow non-constant arguments to conversion intrinsics.
1249         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1250         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1251         * spu.c (print_operand): Handle 'v' and 'w'.
1252         (exp2_immediate_p, spu_gen_exp2): Define.
1253         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1254         spu_convtf_1): Update parameter descriptions.
1255         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1256         * constraints.md ('v', 'w'): New.
1257         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1258         Remove.
1259         (i2f, I2F): New define_mode_attr.
1260         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1261         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1262         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1263         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1264         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1265         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1266         patterns for combine.
1267
1268 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1269
1270         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1271         (cprop, hoist, pre, store_motion): New debug counters.
1272         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1273         is not an RTL pass anymore.
1274         (pass_profiling): Remove extern decl for pass removed in 2005.
1275         (pass_gcse, pass_jump_bypass): Remove.
1276         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1277         to 0 for clean state.
1278         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1279         * cse.c (gate_handle_cse_after_global_opts,
1280         rest_of_handle_cse_after_global_opts): New functions.
1281         (pass_cse_after_global_opts): New pass, does local CSE.
1282         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1283         (TV_CPROP): New timevar.
1284         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1285         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1286         (gcse_main, recompute_all_luids): Remove.
1287         (compute_hash_table_work): Call max_reg_num instead of reading
1288         max_gcse_regno.
1289         (cprop_jump): Don't set run_jump_opt_after_gcse.
1290         (constprop_register): Always allow to alter jumps.
1291         (cprop_insn): Likewise.
1292         (do_local_cprop): Likewise.
1293         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1294         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1295         (find_implicit_sets): Add note about missed optimization opportunity.
1296         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1297         pass_rtl_cprop execute function.
1298         Don't bother tracking the pass number, each pass gets its own dumpfile
1299         now anyway.
1300         Always allow to alter jumpsand bypass jumps.
1301         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1302         will just find no suitable set.
1303         (pre_edge_insert): Fix dumping, this function is for PRE only.
1304         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1305         pass_rtl_pre execute function.
1306         (hoist_code): Return non-zero if something changed.  Keep track of
1307         substitutions and insertions for statistics gathering similar to PRE.
1308         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1309         called from the pass_rtl_hoist execute function.  Show pass statistics.
1310         (compute_store_table): Use max_reg_num directly instead of using the
1311         formerly global max_gcse_regno.
1312         (build_store_vectors): Likewise.
1313         (replace_store_insn): Fix dumping.
1314         (store_motion): Rename to ...
1315         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1316         pass, called from the pass_rtl_store_motion execute function.  Keep
1317         track of substitutions and insertions for statistics gathering similar
1318         to PRE.
1319         (bypass_jumps): Remove, fold interesting bits into ...
1320         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1321         from the pass_rtl_cprop execute function.
1322         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1323         pass_jump_bypass): Remove.
1324         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1325         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1326         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1327         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1328         (gate_rtl_store_motion, execute_rtl_store_motion,
1329         pass_rtl_store_motion): New.
1330         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1331         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1332         * passes.c (init_optimization_passes): Remove pass_gcse and
1333         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1334         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1335         instead of pass_jump_bypass.
1336
1337 2009-04-27  Richard Guenther  <rguenther@suse.de>
1338
1339         PR middle-end/39928
1340         * gimplify.c (gimplify_expr): If we are required to create
1341         a temporary make sure it ends up as register.
1342
1343 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1344
1345         PR target/39903
1346         * config/i386/i386.c (construct_container): Don't call
1347         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1348         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1349
1350 2009-04-27  Michael Matz  <matz@suse.de>
1351
1352         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1353         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1354         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1355         (dump_replaceable_exprs): Take a bitmap.
1356         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1357         array.
1358         (expand_gimple_basic_block): Likewise.
1359         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1360         replaceable_expressions member a bitmap.
1361         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1362         (mark_replaceable): Likewise.
1363         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1364         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1365
1366 2009-04-27  Richard Guenther  <rguenther@suse.de>
1367
1368         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1369         (verify_stmts): Dispatch to gimple/type verification code.
1370         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1371         issue with call argument types.
1372
1373 2009-04-27  Michael Matz  <matz@suse.de>
1374
1375         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1376         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1377         to above.
1378
1379 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1380             Eric Botcazou  <ebotcazou@adacore.com>
1381
1382         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1383         a label's basic block.
1384         (mark_target_live_regs): Tidy and rework obsolete comments.
1385         Change back DF problem to LIVE.  If a label starts a basic block,
1386         assume that all registers that used to be live then still are.
1387         (init_resource_info): If a label starts a basic block, set its
1388         BLOCK_FOR_INSN accordingly.
1389         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1390
1391 2009-04-27  Richard Guenther  <rguenther@suse.de>
1392
1393         * tree-flow-inline.h (function_ann): Remove.
1394         (get_function_ann): Likewise.
1395         * tree-dfa.c (create_function_ann): Remove.
1396         * tree-flow.h (struct static_var_ann_d): Remove.
1397         (struct function_ann_d): Likewise.
1398         (union tree_ann_d): Remove fdecl member.
1399         (function_ann_t): Remove.
1400         (function_ann, get_function_ann, create_function_ann): Remove
1401         declarations.
1402
1403 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1404
1405         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1406
1407 2009-04-27  Jan Hubicka  <jh@suse.cz>
1408
1409         * ipa-pure-const.c (struct funct_state_d): New fields
1410         state_previously_known, looping_previously_known; remove
1411         state_set_in_source.
1412         (analyze_function): Use new fields.
1413         (propagate): Avoid assumption that state_set_in_source imply
1414         nonlooping.
1415
1416         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1417         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1418         * cfgloop.h (finite_loop_p): Declare.
1419
1420 2009-04-26  Michael Matz  <matz@suse.de>
1421
1422         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1423
1424 2009-04-26  Michael Matz  <matz@suse.de>
1425
1426         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1427         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1428         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1429         pass_mark_used_blocks): Remove.
1430         * tree-optimize.c (pass_free_datastructures,
1431         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1432         * passes.c (init_optimization_passes): Don't call
1433         pass_mark_used_blocks, remove dead code.
1434
1435 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1436
1437         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1438         * tree-ssa-live.h (register_ssa_partition): Likewise.
1439
1440 2009-04-26  Michael Matz  <matz@suse.de>
1441
1442         Expand from SSA.
1443         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1444         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1445         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1446         SSA names.
1447         (compare_pairs): Swap cost comparison.
1448         (coalesce_ssa_name): Don't use change_partition_var.
1449         * tree-nrv.c (struct nrv_data): Add modified member.
1450         (finalize_nrv_r): Set it.
1451         (tree_nrv): Use it to update statements.
1452         (pass_nrv): Require PROP_ssa.
1453         * tree-mudflap.c (mf_decl_cache_locals,
1454         mf_build_check_statement_for): Use make_rename_temp.
1455         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1456         * alias.c (find_base_decl): Handle SSA names.
1457         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1458         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1459         * rtl.h (set_reg_attrs_for_parm): Declare.
1460         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1461         to "optimized", remove unused locals at finish.
1462         (execute_free_datastructures): Make global, call
1463         delete_tree_cfg_annotations.
1464         (execute_free_cfg_annotations): Don't call
1465         delete_tree_cfg_annotations.
1466
1467         * ssaexpand.h: New file.
1468         * expr.c (toplevel): Include ssaexpand.h.
1469         (expand_assignment): Handle SSA names the same as register variables.
1470         (expand_expr_real_1): Expand SSA names.
1471         * cfgexpand.c (toplevel): Include ssaexpand.h.
1472         (SA): New global variable.
1473         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1474         (SSAVAR): New macro.
1475         (set_rtl): New helper function.
1476         (add_stack_var): Deal with SSA names, use set_rtl.
1477         (expand_one_stack_var_at): Likewise.
1478         (expand_one_stack_var): Deal with SSA names.
1479         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1480         before unique numbers.
1481         (expand_stack_vars): Use set_rtl.
1482         (expand_one_var): Accept SSA names, add asserts for them, feed them
1483         to above subroutines.
1484         (expand_used_vars): Expand all partitions (without default defs),
1485         then only the local decls (ignoring those expanded already).
1486         (expand_gimple_cond): Remove edges when jumpif() expands an
1487         unconditional jump.
1488         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1489         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1490         SSA name.
1491         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1492         members of SA; deal with PARM_DECL partitions here; expand
1493         all PHI nodes, free tree datastructures and SA.  Commit instructions
1494         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1495         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1496         info and statements at start, collect garbage at finish.
1497         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1498         (VAR_ANN_PARTITION) Remove.
1499         (change_partition_var): Don't declare.
1500         (partition_to_var): Always return SSA names.
1501         (var_to_partition): Only accept SSA names.
1502         (register_ssa_partition): Only check argument.
1503         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1504         member.
1505         (delete_var_map): Don't free it.
1506         (var_union): Only accept SSA names, simplify.
1507         (partition_view_init): Mark only useful SSA names as used.
1508         (partition_view_fini): Only deal with SSA names.
1509         (change_partition_var): Remove.
1510         (dump_var_map): Use ssa_name instead of partition_to_var member.
1511         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1512         basic blocks.
1513         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1514         (struct _elim_graph): New member const_dests; nodes member vector of
1515         ints.
1516         (set_location_for_edge): New static helper.
1517         (create_temp): Remove.
1518         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1519         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1520         (new_elim_graph): Allocate const_dests member.
1521         (clean_elim_graph): Truncate const_dests member.
1522         (delete_elim_graph): Free const_dests member.
1523         (elim_graph_size): Adapt to new type of nodes member.
1524         (elim_graph_add_node): Likewise.
1525         (eliminate_name): Likewise.
1526         (eliminate_build): Don't take basic block argument, deal only with
1527         partition numbers, not variables.
1528         (get_temp_reg): New static helper.
1529         (elim_create): Use it, deal with RTL temporaries instead of trees.
1530         (eliminate_phi): Adjust all calls to new signature.
1531         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1532         (rewrite_trees): Only do checking.
1533         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1534         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1535         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1536         contains_tree_r, MAX_STMTS_IN_LATCH,
1537         process_single_block_loop_latch, analyze_edges_for_bb,
1538         perform_edge_inserts): Remove.
1539         (expand_phi_nodes): New global function.
1540         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1541         functions, initialize new parameter, remember partitions having a
1542         default def.
1543         (finish_out_of_ssa): New global function.
1544         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1545         don't reset in_ssa_p here, don't disable TER when mudflap.
1546         (pass_del_ssa): Remove.
1547         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1548         partition members.
1549         (execute_free_datastructures): Declare.
1550         * Makefile.in (SSAEXPAND_H): New variable.
1551         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1552         * basic-block.h (commit_one_edge_insertion): Declare.
1553         * passes.c (init_optimization_passes): Move pass_nrv and
1554         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1555         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1556         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1557         (redirect_branch_edge): Deal with super block when expanding, split
1558         out jump patching itself into ...
1559         (patch_jump_insn): ... here, new static helper.
1560
1561 2009-04-26  Michael Matz  <matz@suse.de>
1562
1563         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1564         beyond num_ssa_names.
1565         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1566         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1567
1568 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1569
1570         PR inline-asm/39543
1571         * fwprop.c (forward_propagate_asm): New function.
1572         (forward_propagate_and_simplify): Propagate also into __asm, if it
1573         doesn't increase the number of referenced registers.
1574
1575         PR c/39889
1576         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1577
1578 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1579
1580         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1581         note_nonlocal_vla_type for nonlocal VLAs.
1582         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1583         contains_remapped_vars, remap_vla_decls): New functions.
1584         (convert_nonlocal_reference_stmt): If not optimizing, call
1585         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
1586         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
1587         if it wasn't found in var_map.
1588         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
1589         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
1590         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
1591         declare_vars.
1592         * gimplify.c (nonlocal_vlas): New variable.
1593         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
1594         referenced VLAs.
1595         (gimplify_body): Create and destroy nonlocal_vlas.
1596
1597         * dwarf2out.c (loc_descr_plus_const): New function.
1598         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
1599         mem_loc_descriptor, loc_descriptor_from_tree_1,
1600         descr_info_loc, gen_variable_die): Use it.
1601
1602         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
1603         !TREE_STATIC VAR_DECLs.
1604         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
1605         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
1606         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
1607         DECL_BY_REFERENCE is valid.
1608         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
1609         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
1610         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
1611         Copy DECL_BY_REFERENCE.
1612         (struct nesting_copy_body_data): New type.
1613         (nesting_copy_decl): New function.
1614         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
1615         if they have variable length.
1616
1617 2009-04-26  Michael Matz  <matz@suse.de>
1618
1619         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
1620         mark new temporaries for renaming.
1621
1622 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1623
1624         PR c/39581
1625         * c-decl.c (global_bindings_p): Return negative value.
1626         (c_variable_size): New.  Based on variable_size from
1627         stor-layout.c.
1628         (grokdeclarator): Call c_variable_size not variable_size.
1629
1630 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
1631
1632         * config/i386/i386.c (print_operand) ['z']: Fix typo.
1633
1634 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
1635
1636         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
1637         Redefine it to just use mingw/include.
1638         (ASM_SPEC): Rules for -m32 and -m64.
1639         (LINK_SPEC): Use Likewise.
1640         (SPEC_32): New define.
1641         (SPEC_64): Likewise.
1642         (SUB_LINK_SPEC): Likewise.
1643         (MULTILIB_DEFAULTS): New define.
1644         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
1645         Add multilib options.
1646         (MULTILIB_DIRNAMES): Likewise.
1647         (MULTILIB_OSDIRNAMES): Likewise.
1648         (LIBGCC): Likewise.
1649         (INSTALL_LIBGCC): Likewise.
1650
1651 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1652
1653         PR c/39556
1654         * c-tree.h (enum c_inline_static_type): New.
1655         (record_inline_static): Declare.
1656         * c-decl.c (struct c_inline_static, c_inline_statics,
1657         record_inline_static, check_inline_statics): New.
1658         (pop_file_scope): Call check_inline_statics.
1659         (start_decl): Call record_inline_static instead of pedwarning
1660         directly for static in inline function.
1661         * c-typeck.c (build_external_ref): Call record_inline_static
1662         instead of pedwarning directly for static referenced in inline
1663         function.
1664
1665 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
1666
1667         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
1668         not new but only being rescanned.
1669         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
1670         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
1671         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
1672         record_set_info, compute_set, grealloc): Remove.
1673         (recompute_all_luids): New function.
1674         (gcse_main): Don't compute sets, and don't do related memory
1675         allocations/free-ing.  If something changed before the end of the
1676         pass, update LUIDs using recompute_all_luids.
1677         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
1678         (free_gcse_mem): Don't free it either.
1679         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
1680         Use the df insn LUIDs.
1681         (load_killed_in_block): Likewise.
1682         (compute_hash_table_work): Don't compute reg_set_in_block.
1683         (compute_transp): Use DF_REG_DEF_CHAINs.
1684         (local_cprop_pass): Don't use compute_sets and related functions.
1685         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
1686         Use get_max_uid() instead of max_cuid.
1687         (insert_insn_end_basic_block, pre_insert_copy_insn,
1688         update_ld_motion_stores): Don't try to
1689         keep reg_set tables up to date.
1690         (pre_insert_copies): Use df insn LUIDs.
1691         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
1692         (reg_set_info): Don't use extra bitmap argument.
1693         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
1694         information to compute regs_set_in_block.
1695         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
1696         (bypass_jumps): Don't use compute_sets and friends.
1697
1698 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1699
1700         PR testsuite/39710
1701         * opts.c (undocumented_msg): Do not leave blank even with
1702         ENABLE_CHECKING.
1703
1704 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1705
1706         * c-decl.c (build_enumerator): Allow values folding to integer
1707         constants but not integer constant expressions with a pedwarn if
1708         pedantic.
1709
1710 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1711
1712         PR c/39582
1713         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
1714         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
1715         type is an integer constant.
1716
1717 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1718
1719         PR target/39897
1720         * config/i386/i386.c (print_operand) ['z']: Revert handling of
1721         HImode operands.
1722
1723 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1724
1725         PR c/39564
1726         * c-decl.c (grokdeclarator): Diagnose declarations of functions
1727         with variably modified return type and no storage class
1728         specifiers, except for the case of nested functions.  Distinguish
1729         extern declarations of functions with variably modified return
1730         types from those of objects with variably modified types.
1731
1732 2009-04-25  Jan Hubicka  <jh@suse.cz>
1733
1734         * tree.c (list_equal_p): New function.
1735         * tree.h (list_equal_p): Declare.
1736         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1737         basic_block_def, basic_block, const_basic_block): New.
1738         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
1739         (redirect_eh_edge): New function.
1740         (make_eh_edge_update_phi): EH edges are not abnormal.
1741         * except.c: Include tree-flow.h.
1742         (list_match): New function.
1743         (eh_region_replaceable_by_p): New function.
1744         (replace_region): New function.
1745         (hash_type_list): New function.
1746         (hash_eh_region): New function.
1747         (eh_regions_equal_p): New function.
1748         (merge_peers): New function.
1749         (remove_unreachable_regions): Verify EH tree when checking;
1750         merge peers.
1751         (copy_eh_region_1): New function.
1752         (copy_eh_region): New function.
1753         (push_reachable_handler): New function.
1754         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
1755         regions without label but with live RESX.
1756         * except.h (redirect_eh_edge_to_label): New.
1757         * tree-flow.h (redirect_eh_edge): New.
1758         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1759         basic_block_def, basic_block, const_basic_block): Remove.
1760         * Makefile.in (except.o): Add dependency on tree-flow.h
1761         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
1762         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
1763         Remove.
1764
1765 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
1766
1767         PR bootstrap/39645
1768         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
1769         on the destination of memcpy.
1770
1771 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
1772
1773         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
1774         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
1775         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
1776
1777 2009-04-25  Jan Hubicka  <jh@suse.cz>
1778
1779         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
1780         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
1781         to be reached by different label than left.
1782         (update_eh_edges): Update comment; remove edge_to_remove if possible
1783         and return true if suceeded.
1784         (cleanup_empty_eh): Accept sharing map; handle shared regions.
1785         (cleanup_eh): Compute sharing map.
1786         * except.c (remove_eh_handler_and_replace): Add argument if we should
1787         update regions.
1788         (remove_unreachable_regions): Update for label sharing.
1789         (label_to_region_map): Likewise.
1790         (get_next_region_sharing_label): New function.
1791         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
1792         prev_try pointers.
1793         (remove_eh_handler): Update.
1794         (remove_eh_region_and_replace_by_outer_of): New function.
1795         * except.h (struct eh_region): Add next_region_sharing_label.
1796         (remove_eh_region_and_replace_by_outer_of,
1797         get_next_region_sharing_label): Declare.
1798         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
1799
1800 2009-04-25  Jan Hubicka  <jh@suse.cz>
1801
1802         * tree-cfg.c (split_critical_edges): Split also edges where we can't
1803         insert code even if they are not critical.
1804
1805 2009-04-25  Jan Hubicka  <jh@suse.cz>
1806
1807         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1808         (gimple_can_remove_branch_p): EH edges won't remove branch by
1809         redirection.
1810         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
1811         updating of non-abnormal EH edges.
1812         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1813         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
1814         (split_critical_edges): Split also edges where emitting code on them
1815         will lead to splitting later.
1816
1817 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1818             H.J. Lu  <hongjiu.lu@intel.com>
1819
1820         PR target/39590
1821         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
1822         the configured assembler supports fildq and fistpq mnemonics.
1823         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
1824         * configure: Regenerated.
1825         * config.in: Ditto.
1826
1827         * config/i386/i386.c (print_operand): Handle 'Z'.
1828         ['z']: Remove handling of special fild/fist suffixes.
1829         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
1830         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
1831         suffix of fild insn.
1832         (*floatsi<mode>2_vector_mixed): Ditto.
1833         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
1834         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
1835         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
1836         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
1837         * config/i386/gas.h (GAS_MNEMONICS): Remove.
1838
1839 2009-04-25  Ben Elliston  <bje@au.ibm.com>
1840
1841         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
1842         the source of a set operation.
1843
1844 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
1845
1846         * target.h (struct gcc_target): Add case_values_threshold field.
1847         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
1848         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
1849         * targhooks.c (default_case_values_threshold): New function.
1850         * targhooks.h (default_case_values_threshold): Declare function.
1851         * stmt.c (expand_case): Use case_values_threshold target hook.
1852         * expr.h (case_values_threshold): Remove declartation.
1853         * expr.c (case_values_threshold): Remove function.
1854         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
1855
1856         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
1857         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1858         (avr_case_values_threshold): Declare as static.
1859         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
1860
1861         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
1862         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1863         (mn10300_case_values_threshold): New function.
1864
1865 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1866
1867         * ira.c (setup_cover_and_important_classes): Add enum cast.
1868
1869 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
1870
1871         * genpreds.c (write_enum_constraint_num): Output definition of
1872         CONSTRAINT_NUM_DEFINED_P macro.
1873         * ira.c (setup_cover_and_important_classes): Use
1874         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
1875
1876 2009-04-24  DJ Delorie  <dj@redhat.com>
1877
1878         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
1879         __SH2A_SINGLE_ONLY__ also.
1880
1881 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
1882
1883         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
1884         (movdf_internal): Ditto.
1885         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
1886         SFmode and DFmode constants.
1887         (ia64_print_operand): Add 'G' format for printing
1888         floating point constants.
1889
1890 2009-04-24  Richard Guenther  <rguenther@suse.de>
1891
1892         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
1893         from unsigned additions.
1894
1895 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
1896
1897         * c-typeck.c (set_init_index): Allow array designators that are
1898         not integer constant expressions with a pedwarn if pedantic.
1899
1900 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1901
1902         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
1903         zero if no overlap in nonzero bits between the operands.
1904
1905 2009-04-24  Ian Lance Taylor  <iant@google.com>
1906
1907         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
1908         (record_dead_and_set_regs): Likewise.
1909         * df.h (struct df_mw_hardreg): Change flags field to int.
1910         (struct df_base_ref): Likewise.
1911         (struct df): Change changeable_flags field to int.
1912         * df-scan.c (df_defs_record): Change clobber_flags to int.
1913         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
1914         constants rather than #define macros.
1915         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
1916         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
1917         (enum dwarf_calling_convention): Likewise.
1918         (enum dwarf_line_number_x_ops): Likewise.
1919         (enum dwarf_call_frame_info): Likewise.
1920         (enum dwarf_source_language): Likewise.
1921         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
1922         (add_calling_convention_attribute): Likewise.
1923         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
1924         (combine_comparisons): Change compcode to int.  Add cast to enum type.
1925         * genrecog.c (maybe_both_true_2): Change c to int.
1926         (write_switch): Likewise.  Add cast to enum type.
1927         * gimplify.c (gimplify_omp_for): Handle return values from
1928         gimplify_expr using MIN rather than bitwise or.
1929         (gimplify_expr): Add cast to enum type.
1930         * ipa-prop.c (update_jump_functions_after_inlining): Change
1931         IPA_BOTTOM to IPA_JF_UNKNOWN.
1932         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
1933         Add casts to enum type.
1934         (setup_cover_and_important_classes): Change cl to int.  Add casts
1935         to enum type.
1936         (setup_class_translate): Change cl and mode to int.
1937         (ira_init_once): Change mode to int.
1938         (free_register_move_costs): Likewise.
1939         (setup_prohibited_mode_move_regs): Add casts to enum type.
1940         * langhooks.c (add_builtin_function_common): Rework assertion that
1941         value fits bitfield.
1942         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
1943         * omega.c (omega_do_elimination): Avoid math on enum types.
1944         * optabs.c (expand_vec_shift_expr): Remove casts to int.
1945         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
1946         int local to handle integral_argment value.
1947         * regmove.c (try_auto_increment): Change PUT_MODE to
1948         PUT_REG_NOTE_KIND.
1949         * reload.c (push_secondary_reload): Add casts to enum type.
1950         (secondary_reload_class, find_valid_class): Likewise.
1951         * reload1.c (emit_input_reload_insns): Likewise.
1952         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
1953         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
1954         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
1955         constant.
1956         * tree.c (build_common_builtin_nodes): Add casts to enum type.
1957         * tree-complex.c (complex_lattice_t): Typedef to int rather than
1958         enum type.
1959         (expand_complex_libcall): Add casts to enum type.
1960         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
1961         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
1962         with ERROR_MARK, not NUM_TREE_CODES.
1963         (vect_create_epilog_for_reduction): Likewise.
1964         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
1965         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
1966         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
1967         enum machine_mode.
1968         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
1969         vect_unused_in_loop.  Change 0 to loop_vect.
1970         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
1971         * var-tracking.c (get_init_value): Change return type to enum
1972         var_init_status.
1973         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
1974         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
1975         arm_fp_model.
1976         (arm_override_options): Add casts to enum type.
1977         (arm_emit_tls_decoration): Likewise.
1978         * config/i386/i386.c (ix86_function_specific_restore): Add casts
1979         to enum type.
1980         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
1981         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
1982         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
1983         enum type.
1984         * config/s390/s390.c (code_for_builtin_64): Change to array of
1985         enum insn_code.
1986         (code_for_builtin_31): Likewise.
1987         (s390_expand_builtin): Change code_for_builtin to enum insn_code
1988         const *.
1989         * config/sparc/sparc.c (sparc_override_options): Change value
1990         field in struct code_model to enum cmodel.  In initializer change
1991         0 to NULL and add cast to enum type.
1992
1993         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
1994         Change all callers.  Issue a -Wc++-compat warning using
1995         lhs_origtype if necessary.
1996         (convert_for_assignment): Issue -Wc++-compat warnings about
1997         invalid conversions to enum type on assignment.
1998         * c-common.h (build_modify_expr): Update declaration.
1999
2000 2009-04-24  Nick Clifton  <nickc@redhat.com>
2001
2002         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2003         (function_arg_advance): Likewise.
2004         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2005         5th alternative.
2006
2007 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2008
2009         * config/s390/constraints.md ('I', 'J'): Fix condition.
2010
2011 2009-04-24  Diego Novillo  <dnovillo@google.com>
2012
2013         * gengtype-parse.c (parse_error): Add newline after message.
2014
2015 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2016
2017         * config/i386/sse.md (avxmodesuffixs): Removed.
2018         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2019         (*avx_pinsr<ssevecsize>): This.
2020
2021 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2022
2023         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2024         follow chains of regs with a single definition, and allow expressions
2025         that are function_invariant_p.
2026         (simple_rhs_p): Allow expressions that are function_invariant_p.
2027
2028 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2029
2030         PR middle-end/39867
2031         * fold-const.c (fold_cond_expr_with_comparison): When folding
2032         > and >= to MAX, make sure the MAX uses the same type as the
2033         comparison's operands.
2034
2035 2009-04-24  Nick Clifton  <nickc@redhat.com>
2036
2037         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2038         addressing for DImode accesses.
2039         (frv_print_operand_address): Handle PLUS case.
2040         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2041
2042 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2043
2044         PR rtl-optimization/39794
2045         * alias.c (canon_true_dependence): Add x_addr argument.
2046         * rtl.h (canon_true_dependence): Adjust prototype.
2047         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2048         * cselib.c (cselib_invalidate_mem): Likewise.
2049         * gcse.c (compute_transp): Likewise.
2050         * dse.c (scan_reads_nospill): Likewise.
2051         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2052         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2053         canon_base_addr of the group, plus optional offset.
2054         (struct group_info): Rename canon_base_mem to
2055         canon_base_addr.
2056         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2057         canon_rtx of base_mem.
2058
2059 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2060
2061         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2062         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2063
2064 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2065
2066         * config/spu/spu-builtins.h: Delete file.
2067
2068         * config/spu/spu.h (enum spu_builtin_type): Move here from
2069         spu-builtins.h.
2070         (struct spu_builtin_description): Likewise.  Add GTY marker.
2071         Do not use enum spu_function_code or enum insn_code.
2072         (spu_builtins): Add extern declaration.
2073
2074         * config/spu/spu.c: Do not include "spu-builtins.h".
2075         (enum spu_function_code, enum spu_builtin_type_index,
2076         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2077         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2078         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2079         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2080         (spu_builtin_types): Make static.  Add GTY marker.
2081         (spu_builtins): Add extern declaration with GTY marker.
2082         Include "gt-spu.h".
2083
2084         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2085         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2086         Check programmatically whether all parameters are scalar.
2087
2088         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2089
2090 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2091
2092         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2093         assignment from the constructor either if the target is volatile.
2094
2095 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2096
2097         * config/arm/arm.md (insv): Do not share operands[0].
2098
2099 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2100
2101         * config/vxlib-tls.c (active_tls_threads): Delete.
2102         (delete_hook_installed): New.
2103         (tls_delete_hook): Don't delete the delete hook.
2104         (tls_destructor): Delete it here.
2105         (__gthread_set_specific): Adjust installing the delete hook.
2106         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2107         __gthread_leave_tsd_dtor_context.
2108
2109 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2110
2111         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2112
2113 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2116         enum type.
2117         (alpha_rtx_costs): Ditto.
2118         (emit_unlikely_jump): Use add_reg_note.
2119         (emit_frame_store_1): Ditto.
2120         (alpha_expand_prologue): Ditto.
2121         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2122         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2123
2124 2009-04-23  Nick Clifton  <nickc@redhat.com>
2125
2126         * config/v850/v850.md (epilogue): Remove suppressed code.
2127         (return): Rename to return_simple and remove test of frame size.
2128         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2129         to gen_return_simple.
2130
2131 2009-04-22  Jing Yu  <jingyu@google.com>
2132
2133         PR testsuite/39781
2134         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2135
2136 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2137
2138         PR C/31499
2139         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2140         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2141         value is a VECTOR_CST, the element type is the element type of the
2142         vector.
2143
2144 2009-04-22  DJ Delorie  <dj@redhat.com>
2145
2146         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2147
2148 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2149
2150         * alias.c (find_base_term): Move around LO_SUM case, so that
2151         CONST falls through into PLUS/MINUS handling.
2152
2153         PR c/39855
2154         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2155         into 0, use omit_one_operand.
2156
2157 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2158
2159         * config/rs6000/linux-unwind.h (get_regs): Remove type
2160         puns. Change the type of `pc' to an array of unsigned ints and
2161         update all users.  Constify frame24.
2162
2163 2009-04-22  DJ Delorie  <dj@redhat.com>
2164
2165         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2166         declarations before code.
2167         (current_function_special_page_vector): Likewise.
2168         (m32c_expand_insv): Silence a warning.
2169
2170 2009-04-21  Taras Glek  <tglek@mozilla.com>
2171
2172         * alias.c: Update GTY annotations to new syntax.
2173         * basic-block.h: Likewise.
2174         * bitmap.h: Likewise.
2175         * c-common.h: Likewise.
2176         * c-decl.c: Likewise.
2177         * c-parser.c: Likewise.
2178         * c-pragma.c: Likewise.
2179         * c-tree.h: Likewise.
2180         * cfgloop.h: Likewise.
2181         * cgraph.h: Likewise.
2182         * config/alpha/alpha.c: Likewise.
2183         * config/arm/arm.h: Likewise.
2184         * config/avr/avr.h: Likewise.
2185         * config/bfin/bfin.c: Likewise.
2186         * config/cris/cris.c: Likewise.
2187         * config/darwin.c: Likewise.
2188         * config/frv/frv.c: Likewise.
2189         * config/i386/i386.c: Likewise.
2190         * config/i386/i386.h: Likewise.
2191         * config/i386/winnt.c: Likewise.
2192         * config/ia64/ia64.h: Likewise.
2193         * config/iq2000/iq2000.c: Likewise.
2194         * config/mips/mips.c: Likewise.
2195         * config/mmix/mmix.h: Likewise.
2196         * config/pa/pa.c: Likewise.
2197         * config/pa/pa.h: Likewise.
2198         * config/rs6000/rs6000.c: Likewise.
2199         * config/s390/s390.c: Likewise.
2200         * config/sparc/sparc.c: Likewise.
2201         * config/xtensa/xtensa.c: Likewise.
2202         * cselib.h: Likewise.
2203         * dbxout.c: Likewise.
2204         * dwarf2out.c: Likewise.
2205         * except.c: Likewise.
2206         * except.h: Likewise.
2207         * fixed-value.h: Likewise.
2208         * function.c: Likewise.
2209         * function.h: Likewise.
2210         * gimple.h: Likewise.
2211         * integrate.c: Likewise.
2212         * optabs.c: Likewise.
2213         * output.h: Likewise.
2214         * real.h: Likewise.
2215         * rtl.h: Likewise.
2216         * stringpool.c: Likewise.
2217         * tree-data-ref.c: Likewise.
2218         * tree-flow.h: Likewise.
2219         * tree-scalar-evolution.c: Likewise.
2220         * tree-ssa-address.c: Likewise.
2221         * tree-ssa-alias.h: Likewise.
2222         * tree-ssa-operands.h: Likewise.
2223         * tree.c: Likewise.
2224         * tree.h: Likewise.
2225         * varasm.c: Likewise.
2226         * varray.h: Likewise.
2227         * vec.h: Likewise.
2228         * coretypes.h: Do not define GTY macro if it is already defined.
2229         * doc/gty.texi: Update GTY documentation to new syntax.
2230         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2231         annotations on structs.
2232         * gengtype-parse.c: Likewise.
2233
2234 2009-04-22  Mark Heffernan  <meheff@google.com>
2235
2236         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2237
2238 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2239
2240         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2241         where appropriate.
2242
2243 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2244
2245         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2246         the same as a PLUS without a shift.  Increase the cost of a
2247         CONST_INT in MULT.
2248
2249 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2250
2251         * Makefile.in: Update dependencies.
2252         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2253         * errors.h: Remove bogus comment about compatibility.
2254         (warning): Update declaration.
2255         * genautomata.c: Update all calls to warning.
2256         * gimple.c: Do not include errors.h. Include toplev.h.
2257         * tree-ssa-structalias.c: Do not include errors.h.
2258         * omega.c: Likewise.
2259         * tree-ssa-reassoc.c: Likewise.
2260         * config/spu/spu-c.c: Likewise.
2261         * config/spu/t-spu-elf: Update dependencies.
2262
2263 2009-04-22  Richard Guenther  <rguenther@suse.de>
2264
2265         PR tree-optimization/39824
2266         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2267         make sure the types are compatible.
2268
2269 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2270
2271         PR c++/14875
2272         * c-common.c (c_parse_error): Take a token_flags parameter.
2273         Use token_type for the token type instead.
2274         Pass token_flags to cpp_type2name.
2275         * c-common.h (c_parse_error): Update declaration.
2276         * c-parser.c (c_parser_error): Pass 0 as token flags.
2277
2278 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2279
2280         PR rtl-optimization/39580
2281         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
2282
2283 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2284
2285         * function.c (expand_function_end): Do not emit a jump to the "naked"
2286         return label for fall-through returns.
2287         * except.c (sjlj_emit_function_exit): Always place the call to the
2288         unregister function at the location installed by expand_function_end.
2289
2290 2009-04-22  Richard Guenther  <rguenther@suse.de>
2291
2292         PR tree-optimization/39845
2293         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2294         (gen_inbound_check): Likewise.
2295
2296 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2297
2298         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2299         padding for PPC.
2300         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2301         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2302
2303 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2304
2305         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2306         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2307         shift counts to avoid out-of-bounds array accesses.
2308
2309 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2310
2311         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2312         (Pmode): Move above.
2313
2314 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2315
2316         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2317         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2318         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2319         * config/alpha/alpha.h: Ditto.
2320         * config/alpha/alpha.md: Ditto.
2321         * config/alpha/constraints.md: Ditto.
2322         * config/alpha/predicates.md: Ditto.
2323
2324 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2325
2326         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2327         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2328         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2329         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2330         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2331         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2332         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2333         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2334         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2335         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2336         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2337         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2338         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2339         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2340         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2341         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2342         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2343         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2344         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2345         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2346         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2347         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2348         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2349         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2350         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2351         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2352         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2353
2354 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2355
2356         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2357         references from comments.
2358         * cfgbuild.c: (count_basic_blocks): Delete.
2359         (find_basic_blocks_1): Delete.
2360         (find_basic_blocks): Delete.
2361         * except.c (finish_eh_generation): Make static.  Move comment from
2362         except.h here.  Remove find_basic_blocks references from comments.
2363         * except.h (finish_eh_generation): Delete.
2364         * basic-block.h (find_basic_blocks): Delete.
2365         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2366
2367 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2368
2369         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2370         (sdbout_parms):  Likewise.
2371
2372 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2373
2374         * config/sh/sh.c (prepare_cbranch_operands): Use
2375         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2376         (expand_cbranchdi4): Likewise.
2377         (from_compare): Add cast to enum type.
2378         (expand_cbranchsi4): Use add_reg_note.
2379         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2380         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2381         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2382         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2383         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2384         instead of CODE_FOR_nothing.
2385         (cbranchdi4): Likewise.  Fix the order of arguments for
2386         gen_rtx_fmt_ee.
2387         (push_fpscr): Use add_reg_note.
2388         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2389         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2390
2391 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2392
2393         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2394         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2395         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2396         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2397         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2398         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2399         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2400         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2401         config/alpha/x-vms, config/arc/t-arc,
2402         config/arm/README-interworking, config/arm/arm-c.c,
2403         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2404         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2405         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2406         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2407         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2408         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2409         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2410         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2411         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2412         config/cris/t-elfmulti, config/crx/t-crx,
2413         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2414         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2415         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2416         config/h8300/t-h8300, config/i386/athlon.md,
2417         config/i386/darwin-libgcc.10.4.ver,
2418         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2419         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2420         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2421         config/i386/t-linux64, config/i386/t-nwld,
2422         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2423         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2424         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2425         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2426         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2427         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2428         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2429         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2430         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2431         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2432         config/m68k/t-uclinux, config/mcore/t-mcore,
2433         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2434         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2435         config/mips/crtn.asm, config/mips/irix-crti.asm,
2436         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2437         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2438         config/mips/mips-fixed.md, config/mips/sb1.md,
2439         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2440         config/mips/t-iris6, config/mips/t-isa3264,
2441         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2442         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2443         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2444         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2445         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2446         config/mn10300/t-linux, config/mn10300/t-mn10300,
2447         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2448         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2449         config/picochip/libgccExtras/clzsi2.asm,
2450         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2451         config/rs6000/darwin-libgcc.10.4.ver,
2452         config/rs6000/darwin-libgcc.10.5.ver,
2453         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2454         config/rs6000/t-aix43, config/rs6000/t-aix52,
2455         config/rs6000/t-darwin, config/rs6000/t-fprules,
2456         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2457         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2458         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2459         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2460         config/rs6000/t-rtems, config/rs6000/t-spe,
2461         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2462         config/score/t-score-elf, config/sh/divcost-analysis,
2463         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2464         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2465         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2466         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2467         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2468         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2469         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2470         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2471         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2472         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2473         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2474         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2475         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2476         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2477         * config/h8300/genmova.sh: Include copyright and license notices
2478         in generated output.
2479         * config/h8300/mova.md: Regenerate.
2480         * doc/install.texi2html: Include word "Copyright" in copyright
2481         notice and use name "Free Software Foundation, Inc.".
2482         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2483         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2484         ChangeLog-2007, ChangeLog-2008: Correct dates.
2485
2486 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2487
2488         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2489         NE_EXPR operations as well.
2490         * c-parser.c (c_parser_condition): Do not set location information on
2491         the condition.
2492         (c_parser_conditional_expression): Likewise.
2493         (c_parser_binary_expression): Set location information on operators.
2494         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2495         TRUTH_NOT_EXPR has been folded.
2496         * fold-const.c (fold_truth_not_expr): Copy location information from
2497         the incoming expression to the outgoing one.
2498         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2499         recursive calls on the LHS of the operator but pass that of the
2500         operator to recursive calls on the RHS of the operator.  Set it
2501         on the COND_EXPR.
2502         (shortcut_cond_expr): Set the locus of the operator on the second
2503         COND_EXPR and that of the expression on the first in degenerate cases.
2504         Pass the locus of the expression to calls to shortcut_cond_r.
2505         Set the locus of the 'then' block on the associated jump, if any.
2506         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2507         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2508         expression to call to gimplify_boolean_expr.
2509
2510 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2511
2512         * config.gcc: Add additional configuration for
2513         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2514         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2515         (CPP_SPEC): Redefine for allowing -municode option.
2516         (STARTFILE_SPEC): Likewise.
2517         * config/i386/t-mingw-w64: New.
2518         * config/i386/mingw-w64.opt: New.
2519         (municode): Add new target option.
2520         * doc/invoke.texi (municode): Add documentation for new option.
2521
2522 2009-04-21  Ian Lance Taylor  <iant@google.com>
2523
2524         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2525         Correct test for number of arguments.
2526         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2527
2528 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2529
2530         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2531         argument of emit_library_call.
2532
2533 2009-04-21  Richard Guenther  <rguenther@suse.de>
2534
2535         PR middle-end/39829
2536         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2537         inside VIEW_CONVERT_EXPRs.
2538
2539 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2540
2541         * tree-switch-conversion.c (build_constructors): Split a long line.
2542         (constructor_contains_same_values_p): New function.
2543         (build_one_array): Create assigns of constants if possible, do not
2544         call mark_sym_for_renaming, call update_stmt.
2545         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2546         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2547         update_stmt.
2548         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2549         find_new_referenced_vars, call update_stmt.
2550         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2551         instead of calling make_rename_temp.  Do not call
2552         find_new_referenced_vars or mark_symbols_for_renaming, call
2553         update_stmt.
2554
2555 2009-04-21  Richard Guenther  <rguenther@suse.de>
2556
2557         PR tree-optimization/39827
2558         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2559         (tree_ssa_phiprop): Pass the correct array size.
2560
2561 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2562
2563         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2564
2565 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2566
2567         PR 16202
2568         * c-typeck.c (lvalue_p): Move declaration ...
2569         * c-common.h (lvalue_p): ... to here.
2570         * c-common.c (candidate_equal_p): New.
2571         (add_tlist): Use it.
2572         (merge_tlist): Use it.
2573         (warn_for_collisions_1): Likewise.
2574         (warning_candidate_p): Accept more candidates.
2575         (verify_tree): A warning candidate can be an expression. Use
2576         candidate_equal_p.
2577
2578 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2579
2580         PR target/5267
2581         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2582         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2583         options.  Remove -mcall-solaris documentation.
2584
2585 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2586
2587         PR c++/13358
2588         * doc/invoke.texi (-Wlong-long): Update description.
2589         * c-lex (interpret_integer): Only warn if there was no previous
2590         overflow and -Wlong-long is enabled.
2591         * c-decl.c (declspecs_add_type): Drop redundant flags.
2592         * c.opt (Wlong-long): Init to -1.
2593         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
2594         and front-end warn_long_long. Wlong-long only depends on other
2595         flags if it is uninitialized.
2596         * c-parser.c (disable_extension_diagnostics): warn_long_long is
2597         the same for CPP and FE.
2598         (restore_extension_diagnostics): Likewise.
2599
2600 2009-04-20  Ian Lance Taylor  <iant@google.com>
2601
2602         Fix enum conversions which are invalid in C++:
2603         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
2604         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
2605         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
2606         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
2607         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
2608         (dbxout_parms): Likewise.
2609         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
2610         (df_clear_flags): Likewise.
2611         * df-problems.c (df_rd_bb_local_compute_process_def): Change
2612         top_flag parameter to int.
2613         (df_chain_create_bb_process_use): Likewise.
2614         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
2615         Remove cast.
2616         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
2617         (df_ref_create_structure, df_def_record_1): Likewise.
2618         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
2619         (df_notes_rescan): Change 0 to VOIDmode in function call.
2620         (df_get_call_refs, df_insn_refs_collect): Likewise.
2621         (df_bb_regs_collect): Likewise.
2622         (df_entry_block_defs_collect): Likewise.
2623         (df_exit_block_uses_collect): Likewise.
2624         * df.h: Update declarations.
2625         * double-int.c (double_int_divmod): Add cast to enum type.
2626         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
2627         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
2628         (based_loc_descr): Likewise.
2629         (loc_descriptor_from_tree_1): Change first_op and second_op to
2630         enum dwarf_location_atom.  Add cast to enum type.
2631         * expmed.c (init_expmed): Change 0 to SET in function call.
2632         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
2633         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
2634         (do_store_flag): Likewise.
2635         * fixed-value.h (struct fixed_value): Change mode to enum
2636         machine_mode.
2637         * function.c (assign_parms): Change 0 to VOIDmode in function call.
2638         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
2639         function call.
2640         (insert_insn_decl, insert_decl, insert_state): Likewise.
2641         (automata_list_finish): Likewise.
2642         * genrecog.c (process_define_predicate): Add cast to enum type.
2643         * gensupport.c (init_predicate_table): Add cast to enum type.
2644         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
2645         function call.
2646         (gimple_build_call_1, gimple_build_label): Likewise.
2647         (gimple_build_goto, gimple_build_asm_1): Likewise.
2648         (gimple_build_switch_1, gimple_build_cdt): Likewise.
2649         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
2650         (enum fallback): Rename from enum fallback_t.
2651         (fallback_t): Typedef as int.
2652         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
2653         GSI_SAME_STMT in function call.
2654         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
2655         enum type.
2656         (setup_reg_class_relations): Likewise.
2657         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
2658         (setup_prohibited_class_mode_regs): Add cast to enum type.
2659         (setup_prohibited_mode_move_regs): Likewise.
2660         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
2661         (record_address_regs): Change i to enum reg_class.
2662         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
2663         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
2664         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
2665         (GET_MODE_2XWIDER_MODE): Likewise.
2666         (GET_CLASS_NARROWEST_MODE): Likewise.
2667         * omp-low.c (expand_omp_for): Add cast to enum type.
2668         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
2669         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
2670         * postreload.c (reload_cse_simplify_operands): Change rclass local
2671         to enum reg_class.
2672         * predict.c (combine_predictions_for_insn): Change best_predictor
2673         and predictor to enum br_predictor.
2674         (combine_predictions_for_bb): Likewise.
2675         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
2676         use SET_PREDICT_EXPR_OUTCOME.
2677         * real.c (real_arithmetic): Change icode to code in function call.
2678         * reginfo.c (init_move_cost): Add casts to enum type.
2679         (init_reg_sets_1, init_fake_stack_mems): Likewise.
2680         * regmove.c (regclass_compatible_p): Change class0 and class1 to
2681         enum reg_class.
2682         * reload.c (find_valid_class): Add casts to enum type.
2683         (push_reload): Change 0 to NO_REGS in function call.
2684         (find_reloads): Change this_alternative to array of enum
2685         reg_class.  Remove some now-unnecessary casts.
2686         (make_memloc): Change 0 to VOIDmode in function call.
2687         * reload1.c (reload): Change 0 to VOIDmode in function call.
2688         (eliminate_regs_1, elimination_effects): Likewise.
2689         (eliminate_regs_in_insn): Likewise.
2690         (emit_input_reload_insns): Add cast to enum type.
2691         (delete_output_reload): Change 0 to VOIDmode in function call.
2692         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
2693         to enum type in function call.
2694         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
2695         (SET_PREDICT_EXPR_OUTCOME): Define.
2696         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
2697         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
2698         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
2699         (dump_function): Likewise.
2700         * tree-dump.h: Update declarations.
2701         * tree-pass.h: Update declarations.
2702         * varasm.c (assemble_integer): Change mclass to enum mode_class.
2703         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
2704         enum type.
2705         (arm_rtx_costs_1): Correct parenthesization.
2706         (arm_rtx_costs): Add casts to enum type.
2707         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
2708         (vfp_emit_fstmd): Use add_rg_note.
2709         (emit_multi_reg_push, emit_sfm): Likewise.
2710         (thumb_set_frame_pointer): Likewise.
2711         (arm_expand_prologue): Likewise.
2712         (arm_regno_class): Change return type to enum reg_class.
2713         (thumb1_expand_prologue): Use add_reg_note.
2714         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
2715         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
2716         in function call.
2717         * config/arm/gentune.sh: Add cast to enum type.
2718         * config/arm/arm-tune.md: Rebuild.
2719         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
2720         (ix86_split_fp_branch, predict_jump): Likewise.
2721         (ix86_expand_multi_arg_builtin): Change sub_code from enum
2722         insn_code to enum rtx_code.
2723         (ix86_builtin_vectorized_function): Add cast to enum type.
2724         * config/i386/i386.md (truncdfsf2): Change slot to enum
2725         ix86_stack_slot.
2726         (truncxf<mode>2, isinf<mode>2): Likewise.
2727         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
2728         enum type.
2729         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
2730         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
2731         (insert_bundle_state): Change 1 to INSERT in function call.
2732         (ia64_add_bundle_selector_before): Likewise.
2733         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
2734         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
2735         (restore_stack_nonlocal): Likewise.
2736         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
2737         function call.
2738         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
2739         function call.
2740         (mips_rtx_costs): Likewise.
2741         (mips_override_options): Add casts to enum type.
2742         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
2743         in function call.
2744         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
2745         (store_reg, set_reg_plus_d): Likewise.
2746         (hppa_expand_prologue, hppa_profile_hook): Likewise.
2747         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2748         cast to enum type.
2749         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
2750         function call.
2751         (emit_unlikely_jump): Use add_reg_note.
2752         (rs6000_emit_allocate_stack): Likewise.
2753         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
2754         (output_toc): Change 1 to INSERT in function call.
2755         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
2756         (rs6000_initialize_trampoline): Likewise.
2757         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
2758         function call.
2759         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
2760         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
2761         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
2762         (save_gprs): Use add_reg_note.
2763         (s390_emit_prologue): Likewise.
2764         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2765         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
2766         (sparc_fold_builtin): Add cast to enum type.
2767         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
2768         enum insn_code.
2769         (spu_expand_prologue): Use add_reg_note.
2770         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
2771
2772 2009-04-20  Ian Lance Taylor  <iant@google.com>
2773
2774         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
2775         (c_parser_postfix_expression_after_primary): Get VEC for list of
2776         arguments.  Get original types of arguments.  Call
2777         build_function_call_vec.
2778         (cached_expr_list_1, cached_expr_list_2): New static variables.
2779         (c_parser_expr_list): Change return type to VEC *.  Add
2780         p_orig_types parameter.  Change all callers.
2781         (c_parser_release_expr): New static function.
2782         (c_parser_vec_to_tree_list): New static function.
2783         * c-typeck.c (build_function_call): Rewrite to build a VEC and
2784         call build_function_call_vec.
2785         (build_function_call_vec): New function, based on old
2786         build_function_call.
2787         (convert_arguments): Remove nargs and argarray parameters.  Change
2788         values to a VEC.  Add origtypes parameter.
2789         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
2790         (convert_for_assignment): Add origtype parameter.  Change all
2791         callers.  If warn_cxx_compat, check for conversion to an enum
2792         type when calling a function.
2793         (store_init_value): Add origtype parameter.  Change all callers.
2794         (digest_init): Likewise.
2795         (struct init_node): Add origtype field.
2796         (add_pending_init): Add origtype parameter.  Change all callers.
2797         (output_init_element): Likewise.
2798         (output_pending_init_elements): Pass origtype from init_node to
2799         output_init_element.
2800         (process_init_element): Pass origtype from c_expr to
2801         output_init_element.
2802         (c_finish_return): Add origtype parameter.  Change all callers.
2803         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
2804         caller.
2805         (sync_resolve_params): Likewise.
2806         (sync_resolve_return): Change params to first_param.  Change caller.
2807         (resolve_overloaded_builtins): Change params to VEC *.  Change
2808         callers.  Save first parameter around call to build_function_call_vec.
2809         * c-decl.c (finish_decl): Add origtype parameter.  Change all
2810         callers.  Call build_function_call_vec rather than
2811         build_function_call for cleanup.
2812         * c-tree.h: Update declarations.
2813         * c-common.h: Update declarations.
2814         * stub-objc.c (objc_rewrite_function_call): Change parameter from
2815         params to first_param.
2816         * target.h (struct gcc_target): Change resolve_overloaded_builtin
2817         params parameter from tree to void *.
2818         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2819         Change arglist parameter to have type void *, and to be a pointer
2820         to a VEC.
2821         * config/rs6000/rs6000-protos.h
2822         (altivec_resolve_overloaded_builtin): Update declaration.
2823         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
2824         fnargs parameter to have type void *, and to be a pointer to a
2825         VEC.  Call build_function_call_vec instead of
2826         build_function_call.
2827         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
2828
2829 2009-04-20  Joey Ye  <joey.ye@intel.com>
2830             Xuepeng Guo  <xuepeng.guo@intel.com>
2831             H.J. Lu  <hongjiu.lu@intel.com>
2832
2833         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
2834
2835         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
2836         (IX86_LEA_PRIORITY): Likewise.
2837         (distance_non_agu_define): New function.
2838         (distance_agu_use): Likewise.
2839         (ix86_lea_for_add_ok): Likewise.
2840         (ix86_dep_by_shift_count): Likewise.
2841
2842         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
2843         should split for LEA.
2844
2845         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
2846         function.
2847         (ix86_dep_by_shift_count): Likewise.
2848
2849 2009-04-20  Richard Guenther  <rguenther@suse.de>
2850
2851         * expr.c (handled_component_p): Move ...
2852         * tree.h (handled_component_p): ... here.
2853         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
2854         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
2855         and REALPART_EXPR to be in one group.
2856
2857 2009-04-20  Richard Guenther  <rguenther@suse.de>
2858
2859         * basic-block.h (get_all_dominated_blocks): Declare.
2860         * dominance.c (get_all_dominated_blocks): New function.
2861         * tree-cfg.c (get_all_dominated_blocks): Remove.
2862         (remove_edge_and_dominated_blocks): Adjust.
2863         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
2864         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
2865         instead of recursing.
2866
2867 2009-04-20  Doug Kwan  <dougkwan@google.com>
2868
2869         * cgraph.h (cgraph_node_ptr): New type for vector functions.
2870         (struct cgraph_node_set_def): New type.
2871         (cgraph_node_set) New type. Also declare vector functions.
2872         (struct cgraph_node_set_element_def): New type.
2873         (cgraph_node_set_element): Ditto.
2874         (cgraph_node_set_iterator): New iterator type.
2875         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
2876         cgraph_node_set_remove, dump_cgraph_node_set,
2877         debug_cgraph_node_set): New prototypes.
2878         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
2879         cgraph_node_set_size): New inlines.
2880         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
2881         including cgraph.h.
2882         (struct ipa_opt_pass): Add struct cgraph_node_set_def
2883         argument to function 'write_summary'.
2884         * ipa.c: Include ggc.h.
2885         (hash_cgraph_node_set_element,
2886         eq_cgraph_node_set_element, cgraph_node_set_new,
2887         cgraph_node_set_add, cgraph_node_set_remove,
2888         cgraph_node_set_find, dump_cgraph_node_set,
2889         debug_cgraph_node_set): New functions.
2890         * Makefile.in (ipa.o): Add dependency on GGC_H.
2891
2892 2009-04-20  Ira Rosen  <irar@il.ibm.com>
2893
2894         PR tree-optimization/39675
2895         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
2896         check of the return code of vect_schedule_slp. Check that
2897         stmt_vec_info still exists for the statement, before checking its
2898         vectorization type.
2899
2900 2009-04-20  Michael Matz  <matz@suse.de>
2901
2902         * Makefile.in (generated_files): Take out $(simple_generated_c).
2903
2904 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
2905
2906         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
2907         (UINTPTR_TYPE):  Likewise.
2908
2909 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2910
2911         PR c/37481
2912         * c-typeck.c (digest_init): Check for initializing an array with a
2913         string literal.
2914
2915 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2916
2917         PR c/19771
2918         * c-semantics.c (pop_stmt_list): Propagate
2919         STATEMENT_LIST_HAS_LABEL to parent statement list.
2920
2921 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
2922
2923         * config/mips/mips.h (mips_tune_attr): New macro.
2924         * config/mips/mips.md (cpu): Use it.
2925
2926 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2927
2928         PR c/38243
2929         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
2930         declaring a tag.
2931
2932 2009-04-19  Diego Novillo  <dnovillo@google.com>
2933
2934         * toplev.c (compile_file): Move call to coverage_finish ...
2935         * cgraphunit.c (ipa_passes): ... here.
2936         Call cgraph_process_new_functions.
2937         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
2938         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
2939
2940 2009-04-19  Jan Hubicka  <jh@suse.cz>
2941
2942         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
2943         cfun.
2944         (dump_cgraph_node): Dump can throw external flag.
2945         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
2946
2947 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2948
2949         PR c/32061
2950         PR c++/36954
2951         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
2952         * common.opt (Wlogical-op): Move from here...
2953         * c.opt (Wlogical-op): ... to here.
2954         * c-typeck.c (parser_build_binary_op): Update call to
2955         warn_logical_operator.
2956         * c-opts.c (c_common_post_options): Enable warn_logical_op with
2957         extra_warnings.
2958         * c-common.c (warn_logical_op): Update.
2959         * c-common.h (warn_logical_op): Update declaration.
2960
2961 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2962
2963         * tree.c (protected_set_expr_location): Fix formatting.
2964
2965 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2966
2967         PR c/27676
2968         * c-typeck.c (readonly_warning): new.
2969         (build_unary_op, build_modify_expr): Use readonly_warning for
2970         storing into something readonly but not const-qualified.
2971
2972 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2973
2974         PR c/22367
2975         * c-typeck.c (build_unary_op): Check for taking address of
2976         expression of type void.
2977
2978 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2979
2980         PR c/35210
2981         * c-typeck.c (build_function_call): Check for calling a function
2982         with qualified void return types.  Call require_complete_type when
2983         generating a trap.
2984
2985 2009-04-18  Jan Hubicka  <jh@suse.cz>
2986
2987         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
2988         Set nothrow flag.
2989         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
2990         can_throw_external flag.
2991         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
2992         * ipa-pure-const.c (ignore_edge): New function.
2993         (propagate): Compute order for NOTHROW computation; set NOTHROWs
2994         only over can_throw_external edges.
2995         (local_pure_const): Add nothrow flag.
2996         * ipa-utils.c (searchc): Add ignore_edge callback.
2997         (ipa_utils_reduced_inorder): Add ignore_edge callback.
2998         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
2999         (set_nothrow_function_flags): Update cgraph.
3000         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3001
3002 2009-04-18  Richard Guenther  <rguenther@suse.de>
3003
3004         PR middle-end/39804
3005         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3006         (fold_stmt): ... this and ...
3007         (fold_stmt_inplace): ... this.
3008         (fold_stmt_1): Fold references in calls and asms.
3009         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3010
3011 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3012
3013         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3014         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3015
3016 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3017
3018         * tree.c (function_args_count): Remove.
3019         * tree.h: Remove the prototype for function_args_count.
3020
3021 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3022
3023         * tree-iterator.c (expr_only): Remove.
3024         * tree.h: Remove the prototype for expr_only.
3025
3026 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3027
3028         * reginfo.c (cannot_change_mode_set_regs): Remove.
3029         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3030
3031 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3032
3033         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3034         whether operands 0 and 1 overlaps.
3035
3036 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3037
3038         PR middle-end/36902
3039         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3040         pointer. Use warning_at instead of warning.
3041         (search_for_addr_array): Likewise.
3042         (check_array_bounds): Likewise.
3043         (check_all_array_refs): Check that the incoming edge is not in the
3044         list of edges to be removed.
3045         (check_all_array_refs): Avoid the temporal pointer.
3046         (vrp_visit_cond_stmt): Fix typo.
3047         (simplify_switch_using_ranges): Handle the case where the switch
3048         index is an integer constant.
3049
3050 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3051
3052         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3053
3054 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3055
3056         * doc/extend.texi, doc/invoke.texi: Fix typos.
3057
3058 2009-04-17  Cary Coutant  <ccoutant@google.com>
3059
3060         * tree-flow-inline.h (get_lineno): Fix inverted test.
3061
3062 2009-04-17  Diego Novillo  <dnovillo@google.com>
3063
3064         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3065         assertion for AVAIL_OUT.
3066
3067 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3068
3069         PR target/38627
3070         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3071         * config/sh/linux-atomic.asm: Likewise.
3072
3073 2009-04-17  Diego Novillo  <dnovillo@google.com>
3074
3075         * except.c (debug_eh_tree): New.
3076         (struct eh_region, struct eh_status): Move ...
3077         * except.h: ... here.
3078         (add_type_for_runtime): Declare extern.
3079         (lookup_type_for_runtime): Likewise.
3080         (debug_eh_tree): Declare.
3081         * Makefile.in (GTFILES): List except.h before except.c
3082
3083 2009-04-17  Diego Novillo  <dnovillo@google.com>
3084
3085         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3086         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3087         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3088         (find_vars_r): ... here.
3089         * tree-flow.h (find_referenced_vars_in): Declare.
3090         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3091         that AVAIL_OUT exists for BLOCK.
3092         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3093         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3094         (tree-parloops.o): Likewise.
3095
3096 2009-04-17  Simon Baldwin  <simonb@google.com>
3097
3098         * toplev.c (default_tree_printer): Add handling for %E format.
3099
3100 2009-04-17  Diego Novillo  <dnovillo@google.com>
3101
3102         * tree-pretty-print.c (dump_generic_node): Add break after
3103         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3104         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3105         FUNCTION_TYPE together.  Call print_struct_decl when printing
3106         structures and TDF_SLIM is not given.
3107         (print_struct_decl): Fix logic for detecting recursion.
3108
3109 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3110
3111         PR 31567
3112         * gcc.c (create_at_file): New.
3113         (compile_input_file_p): New.
3114         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3115         * main.c (main): Update call to toplev_main.
3116         * toplev.c (toplev_main): Change signature. Call expandargv.
3117         * toplev.h (toplev_main): Change signature.
3118
3119 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3120
3121         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3122         if the latter is not constant.
3123
3124 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3125
3126         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3127
3128 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3129
3130         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3131         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3132
3133 2009-04-17  Richard Guenther  <rguenther@suse.de>
3134
3135         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3136         Handle component references view-converting an invariant address.
3137
3138 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3139
3140         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3141         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3142         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3143         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3144         Use @deftypevr rather than @deftypevar.
3145
3146 2009-04-17  Richard Guenther  <rguenther@suse.de>
3147
3148         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3149         (get_prop_source_stmt): Likewise.
3150         (can_propagate_from): Likewise.
3151
3152 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3153
3154         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3155         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3156         (--with-multilib-list): Add default value.
3157         * configure: Regenerate.
3158         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3159         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3160         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3161         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3162         Don't add default cpu to multilib list unnecessarily, but do enable
3163         the relevant compiler option..
3164         Add support for --with-multilib-list=<blank> and
3165         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3166         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3167         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3168         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3169         TM_MULTILIB_CONFIG.
3170         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3171         (MULTILIB_OSDIRNAMES): New variable.
3172         * config/sh/t-1e: Delete file.
3173         * config/sh/t-mlib-sh1: Delete file.
3174         * config/sh/t-mlib-sh2: Delete file.
3175         * config/sh/t-mlib-sh2a: Delete file.
3176         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3177         * config/sh/t-mlib-sh2a-single: Delete file.
3178         * config/sh/t-mlib-sh2a-single-only: Delete file.
3179         * config/sh/t-mlib-sh2e: Delete file.
3180         * config/sh/t-mlib-sh3e: Delete file.
3181         * config/sh/t-mlib-sh4: Delete file.
3182         * config/sh/t-mlib-sh4-nofpu: Delete file.
3183         * config/sh/t-mlib-sh4-single: Delete file.
3184         * config/sh/t-mlib-sh4-single-only: Delete file.
3185         * config/sh/t-mlib-sh4a: Delete file.
3186         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3187         * config/sh/t-mlib-sh4a-single: Delete file.
3188         * config/sh/t-mlib-sh4a-single-only: Delete file.
3189         * config/sh/t-mlib-sh4al: Delete file.
3190         * config/sh/t-mlib-sh5-32media: Delete file.
3191         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3192         * config/sh/t-mlib-sh5-64media: Delete file.
3193         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3194         * config/sh/t-mlib-sh5-compact: Delete file.
3195         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3196         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3197         * doc/install.texi (Options specification): Add
3198         --with-multilib-list and --with-endian.
3199
3200 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3201
3202         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3203         REVISION_c.
3204         (OBJS-common): Add plugin-version.o.
3205         (plugin-version.o): New.
3206         * gcc-plugin.h (plugin_gcc_version): New.
3207         (plugin_default_version_check): New.
3208         (plugin_init_func, plugin_init): Add version argument.
3209         * plugin-version.c: New.
3210         * plugin.c (str_plugin_gcc_version_name): New.
3211         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3212         pass it to the init function.
3213         (plugin_default_version_check): New.
3214
3215 2009-04-17  Richard Guenther  <rguenther@suse.de>
3216
3217         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3218         for decl-vs-decl disambiguation.
3219
3220 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3221
3222         * config/s390/s390.h (s390_tune_attr): New macro definition.
3223         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3224
3225 2009-04-17  Richard Guenther  <rguenther@suse.de>
3226
3227         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3228         (fold_stmt_r): Likewise.
3229         (maybe_fold_reference): New function.
3230         (fold_gimple_assign): Handle cases fold_stmt_r did.
3231         (fold_stmt): Do not use fold_stmt_r.
3232         (fold_stmt_inplace): Likewise.
3233
3234 2009-04-17  Richard Guenther  <rguenther@suse.de>
3235
3236         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3237         (record_equivalences_from_stmt): Remove useless checks and
3238         simplifications.
3239         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3240         the type is already suitable.
3241
3242 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3243
3244         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3245
3246 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3247
3248         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3249         (CMPtype): Define as __gcc_CMPtype.
3250
3251 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3252
3253         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3254         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3255
3256 2009-04-17  Richard Guenther  <rguenther@suse.de>
3257
3258         PR tree-optimization/39746
3259         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3260         special-casing for builtins and static variable use/def.
3261         (call_may_clobber_ref_p_1): Likewise.
3262
3263 2009-04-16  Ian Lance Taylor  <iant@google.com>
3264
3265         * df.h: Include "timevar.h".
3266         (struct df_problem): Change tv_id field to timevar_id_t.
3267         * tree-pass.h: Include "timevar.h".
3268         (struct opt_pass): Change tv_id field to timevar_id_t.
3269         * timevar.h (timevar_id_t): Define TV_NONE.
3270         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3271         TV_NONE rather than tv_id != 0.
3272         (execute_one_pass): Likewise.
3273         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3274         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3275         dependencies to $(TREE_PASS_H).
3276         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3277         to TV_NONE.
3278         (pass_branch_target_load_optimize2): Likewise.
3279         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3280         (pass_outof_cfg_layout_mode): Likewise.
3281         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3282         (pass_rebuild_cgraph_edges): Likewise.
3283         (pass_remove_cgraph_callee_edges): Likewise.
3284         * df-core.c (pass_df_initialize_opt): Likewise.
3285         (pass_df_initialize_no_opt): Likewise.
3286         (pass_df_finish): Likewise.
3287         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3288         * except.c (pass_set_nothrow_function_flags): Likewise.
3289         (pass_convert_to_eh_region_ranges): Likewise.
3290         * final.c (pass_compute_alignments): Likewise.
3291         * function.c (pass_instantiate_virtual_regs): Likewise.
3292         (pass_init_function): Likewise.
3293         (pass_leaf_regs): Likewise.
3294         (pass_match_asm_constraints): Likewise.
3295         * gimple-low.c (pass_lower_cf): Likewise.
3296         (pass_mark_used_blocks): Likewise.
3297         * init-regs.c (pass_initialize_regs): Likewise.
3298         * integrate.c (pass_initial_value_sets): Likewise.
3299         * ira.c (pass_ira): Likewise.
3300         * jump.c (pass_cleanup_barriers): Likewise.
3301         * omp-low.c (pass_expand_omp): Likewise.
3302         (pass_lower_omp): Likewise.
3303         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3304         * recog.c (pass_split_all_insns): Likewise.
3305         (pass_split_after_reload): Likewise.
3306         (pass_split_before_regstack): Likewise.
3307         (pass_split_before_sched2): Likewise.
3308         (pass_split_for_shorten_branches): Likewise.
3309         * reginfo.c (pass_reginfo_init): Likewise.
3310         (pass_subregs_of_mode_init): Likewise.
3311         (pass_subregs_of_mode_finish): Likewise.
3312         * passes.c (pass_postreload): Likewise.
3313         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3314         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3315         (pass_warn_function_return): Likewise.
3316         (pass_warn_function_noreturn): Likewise.
3317         * tree-complex.c (pass_lower_complex): Likewise.
3318         (pass_lower_complex_O0): Likewise.
3319         * tree-if-conv.c (pass_if_conversion): Likewise.
3320         * tree-into-ssa.c (pass_build_ssa): Likewise.
3321         * tree-mudflap.c (pass_mudflap_1): Likewise.
3322         (pass_mudflap_2): Likewise.
3323         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3324         (pass_mudflap_2): Likewise.
3325         * tree-nrv.c (pass_return_slot): Likewise.
3326         * tree-object-size.c (pass_object_sizes): Likewise.
3327         * tree-optimize.c (pass_all_optimizations): Likewise.
3328         (pass_early_local_passes): Likewise.
3329         (pass_all_early_optimizations): Likewise.
3330         (pass_cleanup_cfg): Likewise.
3331         (pass_cleanup_cfg_post_optimizing): Likewise.
3332         (pass_free_datastructures): Likewise.
3333         (pass_free_cfg_annotations): Likewise.
3334         (pass_fixup_cfg): Likewise.
3335         (pass_init_datastructures): Likewise.
3336         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3337         (pass_late_warn_uninitialized): Likewise.
3338         (pass_update_address_taken): Likewise.
3339         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3340         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3341         (pass_cse_sincos): Likewise.
3342         (pass_convert_to_rsqrt): Likewise.
3343         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3344         * tree-stdarg.c (pass_stdarg): Likewise.
3345         * tree-tailcall.c (pass_tail_recursion): Likewise.
3346         (pass_tail_calls): Likewise.
3347         * tree-vect-generic.c (pass_lower_vector): Likewise.
3348         (pass_lower_vector_ssa): Likewise.
3349         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3350
3351 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3352
3353         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3354         XLR entry.
3355         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3356         Handle -march=xlr.
3357         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3358         logical and signext.
3359
3360 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3361
3362         PR target/39767
3363         * config/sh/predicates.md (arith_operand): Check if the operand
3364         of TRUNCATE is a REG.
3365
3366 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3367
3368         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3369         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3370
3371 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3372
3373         * tree-iterator.c (tsi_split_statement_list_after,
3374         tsi_split_statement_list_before): Remove.
3375         * tree-iterator.h: Remove the prototypes for
3376         tsi_split_statement_list_after and tsi_split_statement_list_before.
3377
3378 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3379
3380         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3381         * tree-ssa-propagate.h: Remove the prototype for
3382         stmt_makes_single_load.
3383
3384 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3385
3386         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3387         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3388
3389 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3390
3391         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3392
3393 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3394
3395         * except.c (eh_region_outer_p): Remove.
3396         * except.h: Remove the prototype for eh_region_outer_p.
3397
3398 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3399
3400         * function.c (current_function_assembler_name): Remove.
3401         * function.h: Remove the prototype for
3402         current_function_assembler_name.
3403
3404 2009-04-16  Ian Lance Taylor  <iant@google.com>
3405
3406         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3407         (add_reg_note): Call alloc_reg_note.
3408         * rtl.h (alloc_reg_note): Declare.
3409         * combine.c (try_combine): Use alloc_reg_note.
3410         (recog_for_combine, move_deaths): Likewise.
3411         (distribute_notes): Use alloc_reg_note and add_reg_note.
3412         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3413         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3414         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3415
3416 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3417
3418         PR rtl-optimization/39762
3419         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3420         ira_may_move_out_cost): Add comments about way of their usage.
3421         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3422
3423         * ira-conflicts.c (process_regs_for_copy): Use function
3424         ira_get_register_move_cost instead of global
3425         ira_register_move_cost.
3426
3427         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3428         color_pass, move_spill_restore, update_curr_costs): Ditto.
3429
3430         * ira-lives.c (process_single_reg_class_operands): Ditto.
3431
3432         * ira-emit.c (emit_move_list): Ditto.
3433
3434         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3435         (record_reg_classes): Ditto.  Use functions
3436         ira_get_register_move_cost and ira_get_may_move_cost instead of
3437         global vars ira_register_move_cost, ira_may_move_out_cost and
3438         ira_may_move_in_cost.
3439         (record_address_regs): Don't call ira_init_register_move_cost.
3440         Use function ira_get_may_move_cost instead of global
3441         ira_may_move_in_cost.
3442         (process_bb_node_for_hard_reg_moves): Use function
3443         ira_get_register_move_cost instead of global ira_register_move_cost.
3444         (ira_costs): Don't call ira_init_register_move_cost.
3445
3446 2009-04-16  Richard Guenther  <rguenther@suse.de>
3447
3448         * tree-cfg.c (verify_gimple_assign_binary):
3449         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3450         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3451         (create_general_new_stmt): Note that this function is broken.
3452
3453 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3454
3455         * common.opt (fhelp): Add Var(help_flag).
3456         * gcc-plugin.h (plugin_info): Add help.
3457         * plugin.c (plugin_name_args): Add help.
3458         (register_plugin_info): Set plugin->help.
3459         (print_help_one_plugin): New.
3460         (print_plugins_help): New.
3461         * plugin.h (print_plugins_help): New.
3462         * toplev.c (toplev_main): Call print_plugins_help if needed.
3463
3464 2009-04-16  Richard Guenther  <rguenther@suse.de>
3465
3466         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3467         (gimple_ior_addresses_taken_1): New function.
3468         (gimple_ior_addresses_taken): Likewise.
3469         * gimple.h (struct gimple_statement_with_ops_base): Remove
3470         addresses_taken member.
3471         (gimple_ior_addresses_taken): Declare.
3472         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3473         gimple_set_addresses_taken): Remove.
3474         * ipa-reference.c (mark_address): New function.
3475         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3476         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3477         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3478         (gimple_add_to_addresses_taken): Remove.
3479         (get_tmr_operands): Call mark_address_taken.
3480         (get_asm_expr_operands): Likewise.
3481         (get_expr_operands): Likewise.
3482         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3483         (free_stmt_operands): Do not free it.
3484         * tree-ssa.c (delete_tree_ssa): Likewise.
3485         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3486
3487 2009-04-16  Richard Guenther  <rguenther@suse.de>
3488
3489         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3490         (walk_stmt_load_store_ops): Likewise.
3491         * gimple.c (get_base_loadstore): New function.
3492         (walk_stmt_load_store_addr_ops): Likewise.
3493         (walk_stmt_load_store_ops): Likewise.
3494         * ipa-pure-const.c (check_op): Simplify.
3495         (check_load, check_store): New functions.
3496         (check_stmt): Use walk_stmt_load_store_ops.
3497         * ipa-reference.c (mark_load): Adjust signature.
3498         (mark_store): Likewise.
3499         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3500
3501 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3502
3503         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3504         (plugin_info): New.
3505         * opts.c (common_handle_option): Don't call print_version.
3506         * plugin.c (plugin_name_args): Add version.
3507         (register_plugin_info): New.
3508         (register_callback): Handle PLUGIN_INFO.
3509         (try_init_one_plugin): New.
3510         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3511         if failed to init.
3512         (finalize_one_plugin): New.
3513         (finalize_plugins): New.
3514         (print_one_plugin): New.
3515         (print_plugins_versions): New.
3516         * plugin.h (print_plugins_versions): New.
3517         (finalize_plugins): New.
3518         * toplev.c (compile_file): Don't call initialize_plugins.
3519         (print_version): Call print_plugins_versions.
3520         (toplev_main): Call initialize_plugins. Print version if needed.
3521         Call finalize_plugins.
3522
3523 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3524
3525         * common.opt (fversion): New.
3526         * gcc.c (print_version): New.
3527         (process_command): Don't print the version. Just set print_version.
3528         (main): Print version. Call subprocesses if print_version and
3529         verbose_flag are set.
3530         * opts.c (common_handle_option): Handle OPT_fversion.
3531
3532 2009-04-16  Richard Guenther  <rguenther@suse.de>
3533             Ira Rosen  <irar@il.ibm.com>
3534
3535         PR tree-optimization/39698
3536         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3537         type of the reduction variable.  Only generate the def if
3538         it is needed.
3539
3540         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3541         make sure to first convert to an integer of the same precision.
3542         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3543         the type of the evolution correctly in computing the new
3544         induction variable base.
3545
3546 2009-04-16  Richard Guenther  <rguenther@suse.de>
3547
3548         PR middle-end/39625
3549         * tree-cfg.c (make_blocks): Split statements with to-be
3550         abnormal SSA names on the lhs.
3551
3552 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3553
3554         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3555         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3556         * c-typeck.c (really_start_incremental_init): Likewise.
3557         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3558         (TARGET_INITIALIZER): Remove it.
3559         * target.h (struct target): Remove vector_opaque_p.
3560         * tree.c (build_opaque_vector_type): New.
3561         * tree.h (TYPE_VECTOR_OPAQUE): New.
3562         (build_opaque_vector_type): Declare.
3563         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3564         * config/rs6000/rs6000.c (build_opaque_vector_type,
3565         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3566         (rs6000_init_builtins): Use build_opaque_vector_type for
3567         opaque_V4SI_type_node.
3568
3569 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3570
3571         * debug.h (set_name):  Declare.
3572         * dwarf2out.c (dwarf2out_set_name): Declare.
3573         (dwarf2_debug_hooks): Add set_name.
3574         (find_AT_string): New.
3575         (add_AT_string): Call find_AT_string.
3576         (dwarf2out_set_name): New.
3577         * cp/decl.c (grokdeclarator): Call set_name.
3578         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3579         * debug.c (do_nothing_debug_hooks):  Likewise.
3580         * dbxout.c (dbx_debug_hooks): Likewise.
3581         * sdbout.c (sdb_debug_hooks): Likewise.
3582
3583 2009-04-15  Michael Eager  <eager@eagercon.com>
3584
3585         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
3586         reg for single-precision FPU.
3587         * config/rs6000/rs6000.md (movsi_internal1): Only for
3588         !TARGET_SINGLE_FPU.
3589         (movsi_internal1_single): New. Add pattern to move SI values to/from
3590         single-precision FP regs.
3591
3592 2009-04-15  Richard Guenther  <rguenther@suse.de>
3593
3594         * omp-low.c (lower_rec_input_clauses): Build correct address
3595         expressions.
3596         (expand_omp_for_generic): Fix multiplication type.
3597         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
3598         (generate_memset_zero): Fix types.
3599         * tree-profile.c (prepare_instrumented_value): Correctly
3600         widen a pointer.
3601
3602 2009-04-15  Ian Lance Taylor  <iant@google.com>
3603
3604         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
3605         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
3606         for -Wall and for -Wc++-compat.
3607         (c_common_post_options): For C++, set warn_enum_compare if not
3608         already set.
3609         * c-tree.h (struct c_expr): Add field original_type.
3610         (build_external_ref): Update declaration.
3611         * c-parser.c (c_parser_braced_init): Set original_type.
3612         (c_parser_initelt): Likewise.
3613         (c_parser_expr_no_commas): Likewise.
3614         (c_parser_conditional_expression): Likewise.
3615         (c_parser_cast_expression): Likewise.
3616         (c_parser_unary_expression): Likewise.  Pull setting of
3617         original_code to top of function.
3618         (c_parser_sizeof_expression): Set original_type.
3619         (c_parser_alignof_expression): Likewise.
3620         (c_parser_postfix_expression): Likewise.  Pull setting of
3621         original_code to top of function.
3622         (c_parser_postfix_expression_after_paren_type): Set original_type.
3623         (c_parser_postfix_expression_after_primary): Likewise.
3624         (c_parser_expression): Likewise.
3625         * c-typeck.c (build_external_ref): Add type parameter.  Change all
3626         callers.
3627         (c_expr_sizeof_expr): Set original_type field.
3628         (parser_build_unary_op): Likewise.
3629         (parser_build_binary_op): Likewise.  Optionally warn about
3630         comparisons of enums of different types.
3631         (digest_init): Set original_type field.
3632         (really_start_incremental_init): Likewise.
3633         (push_init_level, pop_init_level): Likewise.
3634         * doc/invoke.texi (Warning Options): -Wenum-compare now
3635         supported in C.
3636
3637 2009-04-15  Richard Guenther  <rguenther@suse.de>
3638
3639         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
3640         out a necessary conversion.
3641         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
3642         names we didn't value number.
3643         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
3644
3645 2009-04-15  Richard Guenther  <rguenther@suse.de>
3646
3647         PR tree-optimization/39764
3648         * tree-ssa-ccp.c (get_value): Canonicalize value with
3649         canonicalize_float_value.
3650
3651 2009-04-15  Jan Hubicka  <jh@suse.cz>
3652
3653         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
3654         Wrong version of patch.
3655
3656 2009-04-15  Jan Hubicka  <jh@suse.cz>
3657
3658         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
3659
3660 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
3661
3662         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
3663         our distinct integral and vector types.
3664
3665 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
3666
3667         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
3668         * init.c (build_vtbl_address): Remove call to assemble_external.
3669
3670 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
3671
3672         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
3673         output for other floating point modes.
3674
3675 2009-04-14  Diego Novillo  <dnovillo@google.com>
3676
3677         * diagnostic.c (diagnostic_report_diagnostic): Do not
3678         warn about loaded plugins for DK_ERROR and DK_WARNING.
3679         * c-decl.c (declspecs_add_type): Move call to
3680         invoke_plugin_callbacks ...
3681         * c-parser.c (c_parser_declspecs): ... here.
3682         * plugin.c (dump_active_plugins): Tidy output.
3683
3684 2009-04-14  Diego Novillo  <dnovillo@google.com>
3685             Le-Chun Wu  <lcwu@google.com>
3686
3687         * configure.ac: Add --enable-plugin support.
3688         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
3689         * Makefile.in (PLUGIN_H): Define.
3690         Export ENABLE_PLUGIN and GMPINC to site.exp.
3691         Add PLUGINLIBS to link command.
3692         Add/modify dependencies for plugin.o and files including plugin.h.
3693         (plugin.o): New.
3694         * config.in: Regenerate.
3695
3696         * opts.c (common_handle_option): Handle OPT_fplugin_ and
3697         OPT_fplugin_arg_.
3698
3699 2009-04-14  Le-Chun Wu  <lcwu@google.com>
3700
3701         * tree-pass.h (register_one_dump_file): Add a prototype for
3702         register_one_dump_file.
3703         * toplev.c (compile_file): Call initialize_plugins.
3704         (do_compile): Call invoke_plugin_callbacks.
3705         (toplev_main): Call invoke_plugin_callbacks.
3706         * common.opt: Add -fplugin= and -fplugin-arg-.
3707         * gcc-plugin.h: New public header file for plugins to include.
3708         * plugin.c: New source file.
3709         * plugin.h: New internal header file.
3710         * passes.c (register_one_dump_file): Make it external.
3711
3712         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
3713
3714 2009-04-14  Diego Novillo  <dnovillo@google.com>
3715
3716         * doc/plugins.texi: New.
3717         * doc/gccint.texi: Add reference to Plugins chapter.
3718         * doc/invoke.texi: Document -fplugin and -fplugin-arg
3719         * diagnostic.c (diagnostic_report_diagnostic): Warn about
3720         loaded plugins, if any.
3721         * timevar.def (TV_PLUGIN_INIT): Define.
3722         (TV_PLUGIN_RUN): Define.
3723         * plugin.c: Include timevar.h
3724         (plugins_active_p): New.
3725         (dump_active_plugins): New.
3726         (debug_active_plugins): New.
3727
3728 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
3729
3730         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
3731         library paths.
3732         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
3733
3734 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
3735
3736         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
3737         the same as a minus without a shift.
3738
3739 2009-04-14  Nick Clifton  <nickc@redhat.com>
3740
3741         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
3742         comparisons with small integers will always produce a short
3743         branch.
3744
3745 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
3746
3747         Merge:
3748         2008-12-19  Diego Novillo  <dnovillo@google.com>
3749
3750         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
3751
3752 2009-04-14  Richard Guenther  <rguenther@suse.de>
3753
3754         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
3755         verification.
3756         (verify_gimple_assign_binary): Likewise.  Handle shifts and
3757         rotates correctly.
3758         (verify_gimple_phi): Print the mismatched argument position.
3759         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3760         Fix types.
3761         (vect_update_init_of_dr): Likewise.
3762         * matrix-reorg.c (transform_access_sites): Do what the
3763         comment suggests.
3764         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
3765
3766 2009-04-13  Michael Eager  <eager@eagercon.com>
3767
3768         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
3769         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
3770         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
3771         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
3772         remove duplicate config
3773
3774 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3775
3776         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
3777         file_name:line_number type locator of the call site.
3778
3779 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
3780
3781         * genautomata.c: Put blank after comma.
3782         (automaton_decls): New.
3783         (struct unit_usage): Add comments to member next.
3784         (store_alt_unit_usage): Keep the list ordered.
3785         (unit_present_on_list_p, equal_alternatives_p): New.
3786         (check_regexp_units_distribution): Check units distribution
3787         correctness correctly.
3788         (main): Don't write automata if error is found.  Return correct
3789         exit code.
3790
3791         * config/m68k/cf.md (cfv4_ds): Remove.
3792         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
3793         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
3794
3795         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
3796         power4-load-ext, power4-store, power4-store-update,
3797         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
3798         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
3799         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
3800         power4-sqrt, power4-isync): Modify reservation to make correct
3801         unit distribution to automata.
3802
3803         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
3804         power5-store-update, power5-two, power5-three, power5-lmul,
3805         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
3806
3807 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
3808
3809         * except.c (pass_set_nothrow_function_flags): Set name and add
3810         TODO_dump_func.
3811         (set_nothrow_function_flags): Mention in the dump file when
3812         changing a function to nothrow.
3813
3814 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
3815
3816         PR/39066
3817         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
3818         instead of unsigned long.
3819
3820 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3821
3822         * config/arm/arm.c (return_used_this_function): Remove.
3823         (arm_output_function_prologue): Remove use of
3824         return_used_this_function.
3825         (output_return_instruction): Replace use of
3826         return_used_this_function
3827         by cfun->machine->return_used_this_function.
3828         (arm_output_epilogue): Likewise.
3829         (arm_output_function_epilogue): Likewise.
3830         (thumb_unexpanded_epilogue): Likewise.
3831         * config/arm/arm.h (struct machine_function):
3832         New member return_used_this_function.
3833
3834 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
3835
3836         * doc/install.texi: Correct description of default directory for
3837         --with-gxx-include-dir.
3838
3839 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3840
3841         * fold-const.c (build_range_check): Properly deal with enumeral and
3842         boolean base types.
3843
3844 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
3845
3846         * doc/invoke.texi (max_gcse_passes): Remove documentation.
3847         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
3848         * params.h (MAX_GCSE_PASSES): Remove.
3849         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
3850         in sequence.  Remove ability to run multiple passes.
3851         (bypass_jumps): Report run as third CPROP pass.
3852
3853 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
3854
3855         PR middle-end/39651
3856         * except.c (can_throw_external): Look at each insn in a SEQUENCE
3857         when deciding whether the whole SEQUENCE can throw.
3858
3859 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
3860
3861         PR target/39740
3862         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
3863         offseted label references.
3864
3865 2009-04-11  Jan Hubicka  <jh@suse.cz>
3866
3867         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
3868
3869 2009-04-11  Richard Guenther  <rguenther@suse.de>
3870
3871         PR middle-end/39732
3872         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
3873         return variables as TREE_ADDRESSABLE.
3874
3875 2009-04-11  Richard Guenther  <rguenther@suse.de>
3876
3877         PR tree-optimization/39713
3878         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
3879         reference trees have SSA_NAME operands.
3880
3881 2009-04-11  Richard Guenther  <rguenther@suse.de>
3882
3883         PR c/39712
3884         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
3885         address expressions.
3886
3887 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
3888
3889         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
3890         match changes in Cygwin 1.7
3891         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
3892         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
3893
3894 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
3895
3896         PR tree-optimization/39701
3897         * doc/invoke.texi (Optimization Options): Document change in
3898         meaning and initialization of -fdelete-null-pointer-checks.
3899
3900 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
3901
3902         PR middle-end/39701
3903         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
3904
3905         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
3906         here.
3907
3908         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
3909
3910 2009-04-10  Chao-ying Fu  <fu@mips.com>
3911
3912         * doc/tm.texi (Instruction Output): Document
3913         TARGET_ASM_FINAL_POSTSCAN_INSN.
3914         * target.h (final_postscan_insn): New field in asm_out.
3915         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3916         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
3917         * final.c (final_scan_insn): Call
3918         targetm.asm_out.final_postscan_insn after outputting
3919         an asm macro and a normal instruction.
3920
3921         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
3922         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
3923         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
3924         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
3925         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3926
3927 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
3928
3929         PR middle-end/39701
3930         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
3931         variables as non-NULL even with -fdelete-null-pointer-checks.
3932
3933 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
3934
3935         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
3936
3937 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3938
3939         PR target/39678
3940         * config/i386/i386.c (classify_argument): Handle SCmode with
3941         (bit_offset % 64) != 0.
3942
3943 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
3944
3945         * doc/invoke.texi (Optimize Options): Add cross-reference to
3946         -Q --help=optimizers examples.
3947
3948 2009-04-10  Ben Elliston  <bje@au.ibm.com>
3949
3950         PR target/36800
3951         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
3952         regalign for the reg == fpr and TDmode case.
3953
3954 2009-04-09  David Ayers  <ayers@fsfe.org>
3955
3956         PR objc/29200
3957         * objc/objc-act.c (warn_with_method): Remove helper function.
3958         (check_duplicates): Call warning and inform directly.
3959         (really_start_method): Likewise.
3960
3961 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
3962
3963         * expmed.c (expand_divmod): Always use a comparison for a division
3964         by a large unsigned integer.
3965
3966         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
3967         for things others than variables or functions as nonzero.
3968
3969 2009-04-09  Nick Clifton  <nickc@redhat.com>
3970
3971         * unwind-compat.c: Change copyright header to refer to version
3972         3 of the GNU General Public License with version 3.1 of the
3973         GCC Runtime Library Exception and to point readers at the
3974         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
3975         * config/alpha/crtfastmath.c: Likewise.
3976         * config/alpha/linux-unwind.h: Likewise.
3977         * config/alpha/qrnnd.asm: Likewise.
3978         * config/alpha/vms-crt0-64.c: Likewise.
3979         * config/alpha/vms-crt0.c: Likewise.
3980         * config/alpha/vms-dwarf2.asm: Likewise.
3981         * config/alpha/vms-dwarf2eh.asm: Likewise.
3982         * config/alpha/vms-psxcrt0-64.c: Likewise.
3983         * config/alpha/vms-psxcrt0.c: Likewise.
3984         * config/alpha/vms_tramp.asm: Likewise.
3985         * config/arc/initfini.c: Likewise.
3986         * config/arc/lib1funcs.asm: Likewise.
3987         * config/arm/bpabi-v6m.S: Likewise.
3988         * config/arm/bpabi.S: Likewise.
3989         * config/arm/bpabi.c: Likewise.
3990         * config/arm/crti.asm: Likewise.
3991         * config/arm/crtn.asm: Likewise.
3992         * config/arm/ieee754-df.S: Likewise.
3993         * config/arm/ieee754-sf.S: Likewise.
3994         * config/arm/lib1funcs.asm: Likewise.
3995         * config/arm/libunwind.S: Likewise.
3996         * config/arm/linux-atomic.c: Likewise.
3997         * config/arm/mmintrin.h: Likewise.
3998         * config/arm/pr-support.c: Likewise.
3999         * config/arm/unaligned-funcs.c: Likewise.
4000         * config/arm/unwind-arm.c: Likewise.
4001         * config/arm/unwind-arm.h: Likewise.
4002         * config/avr/libgcc.S: Likewise.
4003         * config/bfin/crti.s: Likewise.
4004         * config/bfin/crtlibid.s: Likewise.
4005         * config/bfin/crtn.s: Likewise.
4006         * config/bfin/lib1funcs.asm: Likewise.
4007         * config/bfin/linux-unwind.h: Likewise.
4008         * config/cris/arit.c: Likewise.
4009         * config/cris/cris_abi_symbol.c: Likewise.
4010         * config/darwin-64.c: Likewise.
4011         * config/darwin-crt2.c: Likewise.
4012         * config/darwin-crt3.c: Likewise.
4013         * config/darwin.h: Likewise.
4014         * config/dbxelf.h: Likewise.
4015         * config/dfp-bit.c: Likewise.
4016         * config/dfp-bit.h: Likewise.
4017         * config/elfos.h: Likewise.
4018         * config/fixed-bit.c: Likewise.
4019         * config/fixed-bit.h: Likewise.
4020         * config/fp-bit.c: Likewise.
4021         * config/fp-bit.h: Likewise.
4022         * config/fr30/crti.asm: Likewise.
4023         * config/fr30/crtn.asm: Likewise.
4024         * config/fr30/lib1funcs.asm: Likewise.
4025         * config/freebsd-spec.h: Likewise.
4026         * config/frv/cmovd.c: Likewise.
4027         * config/frv/cmovh.c: Likewise.
4028         * config/frv/cmovw.c: Likewise.
4029         * config/frv/frvbegin.c: Likewise.
4030         * config/frv/frvend.c: Likewise.
4031         * config/frv/lib1funcs.asm: Likewise.
4032         * config/glibc-stdint.h: Likewise.
4033         * config/h8300/clzhi2.c: Likewise.
4034         * config/h8300/crti.asm: Likewise.
4035         * config/h8300/crtn.asm: Likewise.
4036         * config/h8300/ctzhi2.c: Likewise.
4037         * config/h8300/fixunssfsi.c: Likewise.
4038         * config/h8300/lib1funcs.asm: Likewise.
4039         * config/h8300/parityhi2.c: Likewise.
4040         * config/h8300/popcounthi2.c: Likewise.
4041         * config/i386/ammintrin.h: Likewise.
4042         * config/i386/att.h: Likewise.
4043         * config/i386/avxintrin.h: Likewise.
4044         * config/i386/biarch64.h: Likewise.
4045         * config/i386/bmmintrin.h: Likewise.
4046         * config/i386/cpuid.h: Likewise.
4047         * config/i386/cross-stdarg.h: Likewise.
4048         * config/i386/crtfastmath.c: Likewise.
4049         * config/i386/crtprec.c: Likewise.
4050         * config/i386/cygming-crtbegin.c: Likewise.
4051         * config/i386/cygming-crtend.c: Likewise.
4052         * config/i386/cygwin.asm: Likewise.
4053         * config/i386/emmintrin.h: Likewise.
4054         * config/i386/gmm_malloc.h: Likewise.
4055         * config/i386/gthr-win32.c: Likewise.
4056         * config/i386/i386.h: Likewise.
4057         * config/i386/immintrin.h: Likewise.
4058         * config/i386/linux-unwind.h: Likewise.
4059         * config/i386/linux64.h: Likewise.
4060         * config/i386/mm3dnow.h: Likewise.
4061         * config/i386/mmintrin-common.h: Likewise.
4062         * config/i386/mmintrin.h: Likewise.
4063         * config/i386/nmmintrin.h: Likewise.
4064         * config/i386/pmm_malloc.h: Likewise.
4065         * config/i386/pmmintrin.h: Likewise.
4066         * config/i386/smmintrin.h: Likewise.
4067         * config/i386/sol2-c1.asm: Likewise.
4068         * config/i386/sol2-ci.asm: Likewise.
4069         * config/i386/sol2-cn.asm: Likewise.
4070         * config/i386/sol2-gc1.asm: Likewise.
4071         * config/i386/tmmintrin.h: Likewise.
4072         * config/i386/unix.h: Likewise.
4073         * config/i386/w32-unwind.h: Likewise.
4074         * config/i386/wmmintrin.h: Likewise.
4075         * config/i386/x86-64.h: Likewise.
4076         * config/i386/x86intrin.h: Likewise.
4077         * config/i386/xmmintrin.h: Likewise.
4078         * config/ia64/crtbegin.asm: Likewise.
4079         * config/ia64/crtend.asm: Likewise.
4080         * config/ia64/crtfastmath.c: Likewise.
4081         * config/ia64/crti.asm: Likewise.
4082         * config/ia64/crtn.asm: Likewise.
4083         * config/ia64/fde-glibc.c: Likewise.
4084         * config/ia64/lib1funcs.asm: Likewise.
4085         * config/ia64/linux-unwind.h: Likewise.
4086         * config/ia64/quadlib.c: Likewise.
4087         * config/ia64/unwind-ia64.c: Likewise.
4088         * config/linux.h: Likewise.
4089         * config/m32c/m32c-lib1.S: Likewise.
4090         * config/m32c/m32c-lib2-trapv.c: Likewise.
4091         * config/m32c/m32c-lib2.c: Likewise.
4092         * config/m32r/initfini.c: Likewise.
4093         * config/m68hc11/larith.asm: Likewise.
4094         * config/m68hc11/m68hc11-crt0.S: Likewise.
4095         * config/m68k/cf.md: Likewise.
4096         * config/m68k/crti.s: Likewise.
4097         * config/m68k/crtn.s: Likewise.
4098         * config/m68k/lb1sf68.asm: Likewise.
4099         * config/m68k/linux-unwind.h: Likewise.
4100         * config/mcore/crti.asm: Likewise.
4101         * config/mcore/crtn.asm: Likewise.
4102         * config/mcore/lib1.asm: Likewise.
4103         * config/mips/linux-unwind.h: Likewise.
4104         * config/mips/loongson.h: Likewise.
4105         * config/mips/mips16.S: Likewise.
4106         * config/mmix/crti.asm: Likewise.
4107         * config/mmix/crtn.asm: Likewise.
4108         * config/pa/fptr.c: Likewise.
4109         * config/pa/hpux-unwind.h: Likewise.
4110         * config/pa/lib2funcs.asm: Likewise.
4111         * config/pa/linux-atomic.c: Likewise.
4112         * config/pa/linux-unwind.h: Likewise.
4113         * config/pa/milli64.S: Likewise.
4114         * config/pa/quadlib.c: Likewise.
4115         * config/pa/stublib.c: Likewise.
4116         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4117         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4118         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4119         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4120         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4121         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4122         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4123         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4124         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4125         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4126         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4127         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4128         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4129         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4130         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4131         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4132         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4133         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4134         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4135         * config/rs6000/750cl.h: Likewise.
4136         * config/rs6000/altivec.h: Likewise.
4137         * config/rs6000/biarch64.h: Likewise.
4138         * config/rs6000/crtresfpr.asm: Likewise.
4139         * config/rs6000/crtresgpr.asm: Likewise.
4140         * config/rs6000/crtresxfpr.asm: Likewise.
4141         * config/rs6000/crtresxgpr.asm: Likewise.
4142         * config/rs6000/crtsavfpr.asm: Likewise.
4143         * config/rs6000/crtsavgpr.asm: Likewise.
4144         * config/rs6000/darwin-asm.h: Likewise.
4145         * config/rs6000/darwin-fallback.c: Likewise.
4146         * config/rs6000/darwin-fpsave.asm: Likewise.
4147         * config/rs6000/darwin-ldouble.c: Likewise.
4148         * config/rs6000/darwin-tramp.asm: Likewise.
4149         * config/rs6000/darwin-unwind.h: Likewise.
4150         * config/rs6000/darwin-vecsave.asm: Likewise.
4151         * config/rs6000/darwin-world.asm: Likewise.
4152         * config/rs6000/e500crtres32gpr.asm: Likewise.
4153         * config/rs6000/e500crtres64gpr.asm: Likewise.
4154         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4155         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4156         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4157         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4158         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4159         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4160         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4161         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4162         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4163         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4164         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4165         * config/rs6000/eabi-ci.asm: Likewise.
4166         * config/rs6000/eabi-cn.asm: Likewise.
4167         * config/rs6000/eabi.asm: Likewise.
4168         * config/rs6000/linux-unwind.h: Likewise.
4169         * config/rs6000/linux64.h: Likewise.
4170         * config/rs6000/paired.h: Likewise.
4171         * config/rs6000/paired.md: Likewise.
4172         * config/rs6000/ppc64-fp.c: Likewise.
4173         * config/rs6000/ppu_intrinsics.h: Likewise.
4174         * config/rs6000/rs6000.h: Likewise.
4175         * config/rs6000/si2vmx.h: Likewise.
4176         * config/rs6000/sol-ci.asm: Likewise.
4177         * config/rs6000/sol-cn.asm: Likewise.
4178         * config/rs6000/spe.h: Likewise.
4179         * config/rs6000/spu2vmx.h: Likewise.
4180         * config/rs6000/sysv4.h: Likewise.
4181         * config/rs6000/tramp.asm: Likewise.
4182         * config/rs6000/vec_types.h: Likewise.
4183         * config/s390/linux-unwind.h: Likewise.
4184         * config/s390/tpf-unwind.h: Likewise.
4185         * config/score/crti.asm: Likewise.
4186         * config/score/crtn.asm: Likewise.
4187         * config/sh/crt1.asm: Likewise.
4188         * config/sh/crti.asm: Likewise.
4189         * config/sh/crtn.asm: Likewise.
4190         * config/sh/divtab-sh4-300.c: Likewise.
4191         * config/sh/divtab-sh4.c: Likewise.
4192         * config/sh/divtab.c: Likewise.
4193         * config/sh/lib1funcs-4-300.asm: Likewise.
4194         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4195         * config/sh/lib1funcs.asm: Likewise.
4196         * config/sh/lib1funcs.h: Likewise.
4197         * config/sh/linux-atomic.asm: Likewise.
4198         * config/sh/linux-unwind.h: Likewise.
4199         * config/sh/shmedia.h: Likewise.
4200         * config/sh/sshmedia.h: Likewise.
4201         * config/sh/ushmedia.h: Likewise.
4202         * config/sparc/crtfastmath.c: Likewise.
4203         * config/sparc/linux-unwind.h: Likewise.
4204         * config/sparc/sol2-c1.asm: Likewise.
4205         * config/sparc/sol2-ci.asm: Likewise.
4206         * config/sparc/sol2-cn.asm: Likewise.
4207         * config/spu/divmodti4.c: Likewise.
4208         * config/spu/divv2df3.c: Likewise.
4209         * config/spu/float_disf.c: Likewise.
4210         * config/spu/float_unsdidf.c: Likewise.
4211         * config/spu/float_unsdisf.c: Likewise.
4212         * config/spu/float_unssidf.c: Likewise.
4213         * config/spu/mfc_multi_tag_release.c: Likewise.
4214         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4215         * config/spu/mfc_tag_release.c: Likewise.
4216         * config/spu/mfc_tag_reserve.c: Likewise.
4217         * config/spu/mfc_tag_table.c: Likewise.
4218         * config/spu/multi3.c: Likewise.
4219         * config/spu/spu_internals.h: Likewise.
4220         * config/spu/spu_intrinsics.h: Likewise.
4221         * config/spu/spu_mfcio.h: Likewise.
4222         * config/spu/vec_types.h: Likewise.
4223         * config/spu/vmx2spu.h: Likewise.
4224         * config/stormy16/stormy16-lib2.c: Likewise.
4225         * config/svr4.h: Likewise.
4226         * config/sync.c: Likewise.
4227         * config/v850/lib1funcs.asm: Likewise.
4228         * config/vxlib-tls.c: Likewise.
4229         * config/vxlib.c: Likewise.
4230         * config/vxworks-dummy.h: Likewise.
4231         * config/xtensa/crti.asm: Likewise.
4232         * config/xtensa/crtn.asm: Likewise.
4233         * config/xtensa/ieee754-df.S: Likewise.
4234         * config/xtensa/ieee754-sf.S: Likewise.
4235         * config/xtensa/lib1funcs.asm: Likewise.
4236         * config/xtensa/lib2funcs.S: Likewise.
4237         * config/xtensa/linux-unwind.h: Likewise.
4238         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4239         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4240         * coretypes.h: Likewise.
4241         * crtstuff.c: Likewise.
4242         * defaults.h: Likewise.
4243         * dwarf2.h: Likewise.
4244         * emutls.c: Likewise.
4245         * gbl-ctors.h: Likewise.
4246         * gcov-io.h: Likewise.
4247         * ginclude/float.h: Likewise.
4248         * ginclude/iso646.h: Likewise.
4249         * ginclude/stdarg.h: Likewise.
4250         * ginclude/stdbool.h: Likewise.
4251         * ginclude/stddef.h: Likewise.
4252         * ginclude/stdfix.h: Likewise.
4253         * ginclude/stdint-gcc.h: Likewise.
4254         * ginclude/tgmath.h: Likewise.
4255         * gthr-aix.h: Likewise.
4256         * gthr-dce.h: Likewise.
4257         * gthr-gnat.c: Likewise.
4258         * gthr-gnat.h: Likewise.
4259         * gthr-lynx.h: Likewise.
4260         * gthr-mipssde.h: Likewise.
4261         * gthr-nks.h: Likewise.
4262         * gthr-posix.c: Likewise.
4263         * gthr-posix.h: Likewise.
4264         * gthr-posix95.h: Likewise.
4265         * gthr-rtems.h: Likewise.
4266         * gthr-single.h: Likewise.
4267         * gthr-solaris.h: Likewise.
4268         * gthr-tpf.h: Likewise.
4269         * gthr-vxworks.h: Likewise.
4270         * gthr-win32.h: Likewise.
4271         * gthr.h: Likewise.
4272         * libgcc2.c: Likewise.
4273         * libgcc2.h: Likewise.
4274         * libgcov.c: Likewise.
4275         * tsystem.h: Likewise.
4276         * typeclass.h: Likewise.
4277         * unwind-c.c: Likewise.
4278         * unwind-compat.h: Likewise.
4279         * unwind-dw2-fde-compat.c: Likewise.
4280         * unwind-dw2-fde-darwin.c: Likewise.
4281         * unwind-dw2-fde-glibc.c: Likewise.
4282         * unwind-dw2-fde.c: Likewise.
4283         * unwind-dw2-fde.h: Likewise.
4284         * unwind-dw2.c: Likewise.
4285         * unwind-dw2.h: Likewise.
4286         * unwind-generic.h: Likewise.
4287         * unwind-pe.h: Likewise.
4288         * unwind-sjlj.c: Likewise.
4289         * unwind.inc: Likewise.
4290         * config/arm/neon-gen.ml: Change generated copyright header to
4291         refer to version 3 of the GNU General Public License with
4292         version 3.1 of the GCC Runtime Library Exception and to point
4293         readers at the COPYING3 and COPYING3.RUNTIME files and the
4294         FSF's license web page.
4295         * config/arm/arm_neon.h: Regenerate.
4296
4297 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4298
4299         * config/cris/cris.md: Change copyright header to refer to version
4300         3 of the GNU General Public License.
4301         * doc/install.texi2html: Change copyright header to refer to version
4302         3 of the GNU General Public License and to point readers at the
4303         COPYING3 file and the FSF's license web page.
4304         * config/vax/linux.h: Likewise.
4305
4306 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4307
4308         * config/i386/i386.md (cmpcc): New.
4309         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4310         (sync_compare_and_swap_cc*): Delete.
4311
4312         * config/s390/s390.c (s390_compare_emitted): Remove.
4313         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4314         s390_compare_emitted used to be handled.  Assert that modes match.
4315         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4316         refer to sync_compare_and_swap_ccsi.
4317         * config/s390/s390.h (s390_compare_emitted): Remove.
4318         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4319         instead of s390_compare_emitted.
4320         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4321         instead of s390_compare_emitted.
4322         * config/s390/s390.md (cmpcc): New.
4323         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4324         CC_REGNUM, do not pretend it's set.
4325         (sync_compare_and_swap_cc*): Delete.
4326         * config/s390/predicates.md (cc_reg_operand): New.
4327
4328         * expr.c (sync_compare_and_swap_cc): Delete.
4329         * optabs.h (sync_compare_and_swap_cc): Delete.
4330         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4331         is being used with can_compare_p.
4332         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4333         (find_cc_set): New.
4334         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4335         look for a MODE_CC set instead.  Use emit_store_flag.
4336         (expand_compare_and_swap_loop): Likewise, with some additional
4337         complication to avoid a force_reg when useless.  Use
4338         emit_cmp_and_jump_insns.
4339         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4340         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4341         sync_compare_and_swap documentation.
4342
4343 2009-04-09  Jan Hubicka  <jh@suse.cz>
4344
4345         * except.c (find_prev_try): Break out from ....
4346         (duplicate_eh_regions): ... here; properly update prev_try pointers
4347         when duplication part of tree.
4348         (dump_eh_tree): Improve dumping.
4349         (verify_eh_region): New.
4350         (verify_eh_tree): Use it.
4351
4352 2009-04-06  Richard Guenther  <rguenther@suse.de>
4353
4354         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4355         &ARRAY addresses by adjusting their types and prepending
4356         a conversion.
4357         * tree-cfg.c (verify_gimple_assign_single): Verify that
4358         addresses are correct.
4359
4360 2009-04-09  Richard Guenther  <rguenther@suse.de>
4361
4362         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4363         indices into an array reference if possible.
4364         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4365         Fold POINTER_PLUS_EXPR statements with invariant address.
4366
4367 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4368
4369         PR target/39634
4370         * config.gcc (powerpc64-*-linux*): Always build biarch.
4371
4372 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4373
4374         PR c/39613
4375         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4376         it and pedwarn if this results in an INTEGER_CST.
4377
4378 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4379
4380         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4381         text in MPFR section.
4382
4383 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4384
4385         * dwarf2out.c (class_scope_p): New static inline.
4386         (class_or_namespace_scope_p): Use it.
4387         (gen_variable_die): Use DW_TAG_member tag for static data member
4388         declarations instead of DW_TAG_variable.
4389
4390         PR middle-end/39573
4391         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4392         variables.
4393
4394 2009-04-08  Richard Guenther  <rguenther@suse.de>
4395
4396         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4397         valueize random data.
4398
4399 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4400
4401         * config.gcc (aix tm_file):  Add aix-stdint.h.
4402         (aix tm clause use_gcc_stdint):  Set to wrap.
4403         * config/rs6000/aix-stdint.h:  New file.
4404
4405 2009-04-08  Richard Guenther  <rguenther@suse.de>
4406
4407         PR middle-end/36291
4408         * tree-dfa.c (add_referenced_var): Do not recurse into
4409         global initializers.
4410         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4411         exposed variables.
4412         (fold_const_aggregate_ref): Likewise.
4413
4414 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4415
4416         * recog.c (ordered_comparison_operator): New.
4417         * gensupport.c (std_preds): Add it.
4418         * doc/md.texi (Machine-Independent Predicates): Document it.
4419
4420 2009-04-08  Jan Hubicka  <jh@suse.cz>
4421
4422         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4423         * function.h (rtl_eh): Remove exception_handler_label_map.
4424         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4425         remove_exception_handler_label, for_each_eh_label_1): Remove.
4426         (rtl_remove_unreachable_regions): Remove.
4427         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4428         (find_exception_handler_labels): Don't build the hashtable.
4429         (maybe_remove_eh_handler): Remove.
4430         (for_each_eh_label): Rewrite to walk the tree.
4431         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4432         * except.h (maybe_remove_eh_handler): Remove.
4433         * passes.c (init_optimization_passes): Schedule second EH cleanup
4434         before out-of-ssa.
4435         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4436         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4437
4438 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4439
4440         * genoutput.c (validate_optab_operands): New.
4441         (gen_insn, gen_expand): Call it.
4442
4443         * genflags.c (gen_insn): Detect misused iterators.
4444         (main): Pass line_no to gen_insn, exit with status 1 on error.
4445
4446         * genextract.c (line_no): Make global.
4447         (VEC_safe_set_locstr): Change assertion to error message.
4448         (main): Exit with status 1 on error.
4449
4450 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4451
4452         PR c/39614
4453         PR c/39673
4454         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4455         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4456         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4457         * c-convert.c (convert): Do not call fold on results of conversion
4458         functions when the result is a C_MAYBE_CONST_EXPR.
4459         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4460         of __builtin_choose_expr.
4461         * c-typeck.c (remove_c_maybe_const_expr): New.
4462         (build_unary_op, build_conditional_expr, build_compound_expr,
4463         build_binary_op, c_objc_common_truthvalue_conversion): Call
4464         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4465         integer operands.
4466
4467 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4468
4469         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4470         CODE to produce a new one. Add a prototype to use fold_convert_const
4471
4472 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4473
4474         PR bootstrap/39660
4475         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4476         mix declarations and code.
4477
4478 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4479
4480         * gcc.c: Replace `CC' with `GCC' throughout.
4481
4482 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4483
4484         * doc/invoke.texi: Document Atom support.
4485
4486 2009-04-07  Jason Merrill  <jason@redhat.com>
4487
4488         PR c++/25185
4489         * c-common.h, c-common.c: Add flag_pretty_templates.
4490         * c-opts.c (c_common_handle_option): Set it.
4491         * c.opt: Add -fno-pretty-templates.
4492         * doc/invoke.texi (C++ Dialect Options): Likewise.
4493
4494 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4495
4496         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4497         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4498         (ia64_expand_builtin): Likewise.
4499
4500 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4501
4502         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4503         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4504         ADDR_EXPRS are include too.
4505
4506 2009-04-07  Richard Guenther  <rguenther@suse.de>
4507
4508         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4509         decls are only used if passes as parameters or if they are
4510         local statics and the call is not to a builtin.
4511         (call_may_clobber_ref_p_1): Likewise.
4512
4513 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4514
4515         * expr.c (do_store_flag): Remove last argument.  Simplify code
4516         to avoid duplication of tests already done by can_compare_p.
4517         (expand_expr_real_1): Adjust caller.
4518
4519 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4520
4521         * optabs.c (can_compare_p): Test the predicate of a
4522         cbranch and cstore pattern.
4523
4524 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4525
4526         * expr.c (convert_move): Use emit_store_flag instead of
4527         "emulating" it.
4528
4529 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4530
4531         * config/i386/i386.c (ix86_compare_emitted): Remove.
4532         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4533         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4534         * config/i386/i386.h (ix86_compare_emitted): Remove.
4535         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4536         instead of ix86_compare_emitted.
4537         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4538
4539 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4540
4541         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4542         Add t-sysroot-suffix to tmake_file.
4543         * config/print-sysroot-suffix.sh: New file.
4544         * config/t-sysroot-suffix: New file.
4545
4546 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4547
4548         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4549         as the latter produces a warning when the target does not support
4550         infinity.
4551
4552 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4553
4554         * dfp.c: Replace type punning assignments with memcpy throughout.
4555         * Makefile.in (dfp.o-warn): Remove.
4556
4557 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4558
4559         PR target/39634
4560         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4561         Include soft-fp/t-softfp after rs6000/t-linux64.
4562
4563 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4564
4565         * stor-layout.c (set_sizetype): Use the full precision of their
4566         machine mode for bitsize types.
4567
4568 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4569
4570         * config/i386/i386.md: Revert 2 accidental checkins.
4571
4572 2009-04-06  Joey Ye  <joey.ye@intel.com>
4573             Xuepeng Guo  <xuepeng.guo@intel.com>
4574             H.J. Lu  <hongjiu.lu@intel.com>
4575
4576         Atom pipeline model, tuning and insn selection.
4577         * config.gcc (atom): Add atom config options and target.
4578
4579         * config/i386/atom.md: New.
4580
4581         * config/i386/i386.c (atom_cost): New cost.
4582         (m_ATOM): New macro flag.
4583         (initial_ix86_tune_features): Set m_ATOM.
4584         (x86_accumulate_outgoing_args): Likewise.
4585         (x86_arch_always_fancy_math_387): Likewise.
4586         (processor_target): Add Atom cost.
4587         (cpu_names): Add Atom cpu name.
4588         (override_options): Set Atom ISA.
4589         (ix86_issue_rate): New case PROCESSOR_ATOM.
4590         (ix86_adjust_cost): Likewise.
4591
4592         * config/i386/i386.h (TARGET_ATOM): New target macro.
4593         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
4594         (TARGET_OPT_AGU): New target option.
4595         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
4596         (processor_type): Add PROCESSOR_ATOM.
4597
4598         * config/i386/i386.md (cpu): Add new value "atom".
4599         (use_carry, movu): New attr.
4600         (atom.md): Include atom.md.
4601         (adddi3_carry_rex64): Set attr "use_carry".
4602         (addqi3_carry): Likewise.
4603         (addhi3_carry): Likewise.
4604         (addsi3_carry): Likewise.
4605         (*addsi3_carry_zext): Likewise.
4606         (subdi3_carry_rex64): Likewise.
4607         (subqi3_carry): Likewise.
4608         (subhi3_carry): Likewise.
4609         (subsi3_carry): Likewise.
4610         (x86_movdicc_0_m1_rex64): Likewise.
4611         (*x86_movdicc_0_m1_se): Likewise.
4612         (x86_movsicc_0_m1): Likewise.
4613         (*x86_movsicc_0_m1_se): Likewise.
4614         (*adddi_1_rex64): Emit add insn as much as possible.
4615         (*addsi_1): Likewise.
4616         (return_internal): Set atom_unit.
4617         (return_internal_long): Likewise.
4618         (return_pop_internal): Likewise.
4619         (*rcpsf2_sse): Set atom_sse_attr attr.
4620         (*qrt<mode>2_sse): Likewise.
4621         (*prefetch_sse): Likewise.
4622
4623         * config/i386/i386-c.c (ix86_target_macros_internal): New case
4624         PROCESSOR_ATOM.
4625         (ix86_target_macros_internal): Likewise.
4626
4627         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
4628         (*prefetch_sse_rex): Likewise.
4629         (sse_rcpv4sf2): Likewise.
4630         (sse_vmrcpv4sf2): Likewise.
4631         (sse_sqrtv4sf2): Likewise.
4632         (<sse>_vmsqrt<mode>2): Likewise.
4633         (sse_ldmxcsr): Likewise.
4634         (sse_stmxcsr): Likewise.
4635         (*sse_sfence): Likewise.
4636         (sse2_clflush): Likewise.
4637         (*sse2_mfence): Likewise.
4638         (*sse2_lfence): Likewise.
4639         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
4640         (<sse>_movup<ssemodesuffixf2c>): Likewise.
4641         (avx_movdqu<avxmodesuffix>): Likewise.
4642         (avx_lddqu<avxmodesuffix>): Likewise.
4643         (sse2_movntv2di): Change attr "type" to "ssemov".
4644         (sse2_movntsi): Likewise.
4645         (rsqrtv8sf2): Change attr "type" to "sseadd".
4646         (sse3_addsubv2df3): Set attr "atom_unit".
4647         (sse3_h<plusminus_insn>v4sf3): Likewise.
4648         (*sse2_pmaddwd): Likewise.
4649         (*vec_extractv2di_1_rex64): Likewise.
4650         (*vec_extractv2di_1_avx): Likewise.
4651         (sse2_psadbw): Likewise.
4652         (ssse3_phaddwv8hi3): Likewise.
4653         (ssse3_phaddwv4hi3): Likewise.
4654         (ssse3_phadddv4si3): Likewise.
4655         (ssse3_phadddv2si3): Likewise.
4656         (ssse3_phaddswv8hi3): Likewise.
4657         (ssse3_phaddswv4hi3): Likewise.
4658         (ssse3_phsubwv8hi3): Likewise.
4659         (ssse3_phsubwv4hi3): Likewise.
4660         (ssse3_phsubdv4si3): Likewise.
4661         (ssse3_phsubdv2si3): Likewise.
4662         (ssse3_phsubswv8hi3): Likewise.
4663         (ssse3_phsubswv4hi3): Likewise.
4664         (ssse3_pmaddubsw128): Likewise.
4665         (sse3_pmaddubsw: Likewise.
4666         (ssse3_palignrti): Likewise.
4667         (ssse3_palignrdi): Likewise.
4668
4669 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
4670
4671         * doc/install.texi (Specific): Fix two cross-references to MinGW.
4672
4673 2009-04-06  Richard Guenther  <rguenther@suse.de>
4674
4675         PR tree-optimization/28868
4676         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
4677         of which PHI results we inserted.
4678         (insert_into_preds_of_block): Record inserted PHIs.
4679         (eliminate): Eliminate redundant PHI nodes.
4680         (init_pre): Init inserted_phi_names.
4681
4682 2009-04-06  Richard Guenther  <rguenther@suse.de>
4683
4684         PR tree-optimization/39643
4685         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
4686         IMAGPART_EXPRs of complex constants.
4687         (execute_fold_all_builtins): If we folded a call queue
4688         TODO_update_address_taken.
4689
4690 2009-04-06  Jan Hubicka  <jh@suse.cz>
4691
4692         PR middle-end/39659
4693         * except.c (remove_unreachable_regions): Propagate may_contain_throw
4694         flag.
4695
4696 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
4697
4698         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
4699         delay slot.
4700         (ic_invalidate_array): Likewise.
4701
4702 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
4703
4704         * calls.c (emit_library_call_value_1): Fix a problem with parameter
4705         alignment for library calls.
4706
4707 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
4708
4709         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
4710         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
4711         * config/i386/mingw-stdint.h:  New file.
4712
4713 2009-04-05  Richard Guenther  <rguenther@suse.de>
4714
4715         PR tree-optimization/39648
4716         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
4717         our &A vs. &A[0] IL deficiencies.
4718
4719 2009-04-04  Jan Hubicka  <jh@suse.cz>
4720
4721         * except.c (sjlj_find_directly_reachable_regions): Be ready for
4722         removed toplevel regions.
4723         (sjlj_mark_call_sites): Likewise.
4724
4725 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
4726
4727         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
4728         (cygwin tm clause use_gcc_stdint):  Set to wrap.
4729         * config/i386/cygwin-stdint.h:  New file.
4730
4731 2009-04-04  Richard Guenther  <rguenther@suse.de>
4732
4733         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
4734         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
4735         single-argument PHIs if we are in loop-closed SSA form.
4736         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
4737         for the pre-condition.
4738         (slpeel_tree_peel_loop_to_edge): Likewise.
4739         (vect_build_loop_niters): Take an optional sequence to append stmts.
4740         (vect_generate_tmps_on_preheader): Likewise.
4741         (vect_do_peeling_for_loop_bound): Take extra guards for the
4742         pre-condition.
4743         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
4744         the cost model check.
4745         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
4746         guards if we are going to peel.  Do not apply versioning in that case.
4747         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
4748         (vect_do_peeling_for_loop_bound): Likewise.
4749         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
4750         loop bound only record extra pre-conditions, do not apply loop
4751         versioning.
4752
4753 2009-04-04  Richard Guenther  <rguenther@suse.de>
4754
4755         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
4756         renaming code.
4757
4758 2009-04-04  Jan Hubicka  <jh@suse.cz>
4759
4760         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4761         last_basic_block for size of bb->index indexed array.
4762         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
4763         compute_out, link_btr_uses, build_btr_def_use_webs,
4764         build_btr_def_use_webs, migrate_btr_defs): Likewise.
4765
4766 2009-04-04  Jan Hubicka  <jh@suse.cz>
4767
4768         * except.c (remove_eh_handler_and_replace): Break out from ...
4769         (remove_eh_handler): ... here.
4770         (bring_to_root): New function.
4771         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
4772         handled ones, bring others to root of tree.
4773
4774 2009-04-04  Jan Hubicka  <jh@suse.cz>
4775
4776         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
4777         (all_phis_safe_to_merge): New function.
4778         (update_info): New structure.
4779         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
4780         (cleanup_empty_eh): Update SSA if possible.
4781
4782 2009-04-04  Richard Guenther  <rguenther@suse.de>
4783
4784         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
4785         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
4786         (append_vuse): Likewise.
4787
4788 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
4789
4790         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
4791         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
4792         instead of REG_UNSAVED for DW_CFA_undefined.
4793         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
4794         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
4795         outermost frame.
4796
4797 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
4798
4799         PR target/39501
4800         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
4801         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
4802         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
4803
4804 2009-04-04  Richard Guenther  <rguenther@suse.de>
4805
4806         PR tree-optimization/8781
4807         PR tree-optimization/37892
4808         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
4809         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
4810         (valueize_refs): Call it for *& valueizations.
4811         (shared_reference_ops_from_ref): Rename to ...
4812         (valueize_shared_reference_ops_from_ref): ... this and valueize.
4813         (shared_reference_ops_from_call): Rename to ...
4814         (valueize_shared_reference_ops_from_call): ... this and valueize.
4815         (vn_reference_lookup): Update.
4816         (visit_reference_op_call): Likewise.
4817         * tree-ssa-pre.c (phi_translate_1): Fold *&.
4818         (eliminate): Value-replace the call address in call statements.
4819
4820 2009-04-04  Richard Guenther  <rguenther@suse.de>
4821
4822         PR tree-optimization/39636
4823         * tree-ssa-forwprop.c
4824         (forward_propagate_addr_into_variable_array_index): Check for
4825         GIMPLE_ASSIGN before accessing the rhs code.
4826
4827 2009-04-03  Jason Merrill  <jason@redhat.com>
4828
4829         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
4830
4831 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
4832
4833         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
4834         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
4835         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
4836         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
4837         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
4838         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
4839         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
4840         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
4841         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
4842         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
4843         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
4844         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
4845         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
4846         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
4847         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
4848         Use fr_reg_or_fp01_operand instead of fr_register_operand
4849
4850         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
4851         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
4852         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
4853
4854 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
4855
4856         PR rtl-optimization/39607
4857         PR rtl-optimization/39631
4858
4859         Revert:
4860
4861         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
4862         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
4863         instead of DF_LR_OUT.
4864         * ira-lives.c (process_bb_node_lives): Ditto.
4865         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
4866         instead of DF_LR_{OUT,IN}.
4867         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
4868         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
4869
4870 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
4871
4872         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
4873         (execute_lower_omp): Always run but take the short way out if -fopenmp
4874         is not given.
4875         (gate_lower_omp): Remove, forcing the pass manager to always run the
4876         pass and always set PROP_gimple_lomp.
4877         (pass_lower_omp): Remove gate function.
4878         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
4879         PROP_trees.  Instead, require it.
4880         * ipa-cp.c (pass_ipa_cp): Likewise.
4881         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
4882         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
4883         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
4884         and PROP_gimple_leh.
4885
4886 2009-04-03  Richard Guenther  <rguenther@suse.de>
4887
4888         PR middle-end/13146
4889         PR tree-optimization/23940
4890         PR tree-optimization/33237
4891         PR middle-end/33974
4892         PR middle-end/34093
4893         PR tree-optimization/36201
4894         PR tree-optimization/36230
4895         PR tree-optimization/38049
4896         PR tree-optimization/38207
4897         PR tree-optimization/38230
4898         PR tree-optimization/38301
4899         PR tree-optimization/38585
4900         PR middle-end/38895
4901         PR tree-optimization/38985
4902         PR tree-optimization/39299
4903         * tree-ssa-structalias.h: Remove.
4904         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
4905         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
4906         (struct vuse_element_d): Remove.
4907         (struct vuse_vec_d): Likewise.
4908         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
4909         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
4910         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
4911         VUSE_ELEMENT_VAR): Likewise.
4912         (struct voptype_d): Likewise.
4913         (NUM_VOP_FREE_BUCKETS): Likewise.
4914         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
4915         (struct stmt_operands_d): Remove.
4916         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
4917         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
4918         VDEF_NUM, VDEF_VECT): Likewise.
4919         (copy_virtual_operands): Remove.
4920         (operand_build_cmp): Likewise.
4921         (create_ssa_artificial_load_stmt): Likewise.
4922         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
4923         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
4924         vuse_index and mayuse_index members.  Pack and move done and iter_type
4925         members to the front.
4926         (SSA_OP_VMAYUSE): Remove.
4927         (SSA_OP_VIRTUAL_USES): Adjust.
4928         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
4929         (unlink_stmt_vdef): Declare.
4930         (add_to_addressable_set): Remove.
4931         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
4932         (vrp_visit_stmt): Likewise.
4933         * doc/tree-ssa.texi (Alias analysis): Update.
4934         * doc/invoke.texi (max-aliased-vops): Remove docs.
4935         (avg-aliased-vops): Likewise.
4936         * tree-into-ssa.c (syms_to_rename): Remove.
4937         (need_to_update_vops_p): Likewise.
4938         (need_to_initialize_update_ssa_p): Rename to ...
4939         (update_ssa_initialized_fn): ... this.  Track function we are
4940         initialized for.
4941         (symbol_marked_for_renaming): Simplify.
4942         (add_new_name_mapping): Do not set need_to_update_vops_p.
4943         (dump_currdefs): Use SYMS_TO_RENAME.
4944         (rewrite_update_stmt): Always walk all uses/defs.
4945         (dump_update_ssa): Adjust.
4946         (init_update_ssa): Take function argument.  Track what we are
4947         initialized for.
4948         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
4949         (create_new_def_for): Initialize for cfun, assert we are initialized
4950         for cfun.
4951         (mark_sym_for_renaming): Simplify.
4952         (mark_set_for_renaming): Do not initialize update-ssa.
4953         (need_ssa_update_p): Simplify.  Take function argument.
4954         (name_mappings_registered_p): Assert we ask for the correct function.
4955         (name_registered_for_update_p): Likewise.
4956         (ssa_names_to_replace): Likewise.
4957         (release_ssa_name_after_update_ssa): Likewise.
4958         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
4959         (dump_decl_set): Do not print a newline.
4960         (debug_decl_set): Do it here.
4961         (dump_update_ssa): And here.
4962         * tree-ssa-loop-im.c (move_computations): Adjust.
4963         (movement_possibility): Likewise.
4964         (determine_max_movement): Likewise.
4965         (gather_mem_refs_stmt): Likewise.
4966         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
4967         or NAME_MEMORY_TAG.
4968         * tree-complex.c (update_all_vops): Remove.
4969         (expand_complex_move): Adjust.
4970         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
4971         Simplify test for memory referencing statement.  Exclude
4972         non-invariant ADDR_EXPRs.
4973         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
4974         * tree-loop-distribution.c (generate_memset_zero): Adjust.
4975         (rdg_flag_uses): Likewise.
4976         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
4977         related code.
4978         (tree_optimize_tail_calls_1): Also split the
4979         edge from the entry block if we have degenerate PHI nodes in
4980         the first basic block.
4981         * tree.c (init_ttree): Remove memory-tag related code.
4982         (tree_code_size): Likewise.
4983         (tree_node_structure): Likewise.
4984         (build7_stat): Re-write to be build6_stat.
4985         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
4986         (SSA_VAR_P): Adjust.
4987         (struct tree_memory_tag): Remove.
4988         (struct tree_memory_partition_tag): Likewise.
4989         (union tree_node): Adjust.
4990         (build7): Re-write to be build6.
4991         * tree-pass.h (pass_reset_cc_flags): Remove.
4992         (TODO_update_address_taken): New flag.
4993         (pass_simple_dse): Remove.
4994         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
4995         * params.h (MAX_ALIASED_VOPS): Remove.
4996         (AVG_ALIASED_VOPS): Likewise.
4997         * omp-low.c (expand_omp_taskreg): Update SSA form.
4998         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
4999         aliases the lhs in a copy stmt.
5000         * tree-ssa-dse.c (struct address_walk_data): Remove.
5001         (memory_ssa_name_same): Likewise.
5002         (memory_address_same): Likewise.
5003         (get_kill_of_stmt_lhs): Likewise.
5004         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5005         unused stores.  Look through PHI nodes into post-dominated regions.
5006         (dse_optimize_stmt): Simplify.  Properly remove stores.
5007         (tree_ssa_dse): Compute dominators.
5008         (execute_simple_dse): Remove.
5009         (pass_simple_dse): Likewise.
5010         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5011         gimple_loaded_syms and gimple_stored_syms computation.
5012         * toplev.c (dump_memory_report): Dump alias and pta stats.
5013         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5014         (vn_reference_eq): Likewise.
5015         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5016         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5017         valueize_vuses): Remove.
5018         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5019         (get_def_ref_stmt_vuse): ... this.
5020         (vn_reference_lookup_2): New function.
5021         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5022         walking equivalent vuses.  Simplify.
5023         (vn_reference_lookup): Likewise.
5024         (vn_reference_insert): Likewise.
5025         (vn_reference_insert_pieces): Likewise.
5026         (visit_reference_op_call): Simplify.
5027         (visit_reference_op_load): Likewise.
5028         (visit_reference_op_store): Likewise.
5029         (init_scc_vn): Remove shared_lookup_vuses initialization.
5030         (free_scc_vn): Remove shared_lookup_vuses freeing.
5031         (sort_vuses, sort_vuses_heap): Remove.
5032         (get_ref_from_reference_ops): Export.
5033         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5034         vector with single vuse pointer.
5035         (vn_reference_lookup_pieces, vn_reference_lookup,
5036         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5037         (shared_vuses_from_stmt): Remove.
5038         (get_ref_from_reference_ops): Declare.
5039         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5040         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5041         memory-tag related code.
5042         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5043         (likely_value): Add comment, skip static-chain of call statements.
5044         (surely_varying_stmt_p): Adjust.
5045         (gimplify_and_update_call_from_tree): Likewise.
5046         (execute_fold_all_builtins): Do not rebuild alias info.
5047         (gimplify_and_update_call_from_tree): Properly update VOPs.
5048         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5049         (copy_ref_info): Remove memory-tag related code.
5050         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5051         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5052         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5053         computation.
5054         * tree-ssa-dom.c (gimple_p): Remove typedef.
5055         (eliminate_redundant_computations): Adjust.
5056         (record_equivalences_from_stmt): Likewise.
5057         (avail_expr_hash): Likewise.
5058         (avail_expr_eq): Likewise.
5059         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5060         (stmt_makes_single_load): Likewise.
5061         (stmt_makes_single_store): Likewise.
5062         * tree-ssa-alias.c: Rewrite completely.
5063         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5064         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5065         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5066         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5067         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5068         Remove public functions.
5069         (pass_reset_cc_flags): Remove.
5070         (pass_build_alias): Move ...
5071         * tree-ssa-structalias.c (pass_build_alias): ... here.
5072         * tree-ssa-alias.c (may_be_aliased): Move ...
5073         * tree-flow-inline.h (may_be_aliased): ... here.
5074         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5075         count_uses_and_derefs): Move ...
5076         * gimple.c: ... here.
5077         * gimple.h (count_uses_and_derefs): Declare.
5078         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5079         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5080         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5081         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5082         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5083         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5084         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5085         New functions.
5086         * tree-dfa.c (refs_may_alias_p): Move ...
5087         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5088         * tree-ssa-alias.h: New file.
5089         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5090         (statement_sink_location): Likewise.
5091         * opts.c (decode_options): Do not adjust max-aliased-vops or
5092         avg-aliased-vops values.
5093         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5094         (TV_CALL_CLOBBER): Likewise.
5095         (TV_FLOW_SENSITIVE): Likewise.
5096         (TV_FLOW_INSENSITIVE): Likewise.
5097         (TV_MEMORY_PARTITIONING): Likewise.
5098         (TV_ALIAS_STMT_WALK): New timevar.
5099         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5100         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5101         (get_address_description): Remove memory-tag related code.
5102         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5103         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5104         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5105         and immediate uses in statements.  Document.
5106         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5107         (dump_symbols): Remove.
5108         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5109         * alias.c (get_deref_alias_set): New function split out from ...
5110         (get_alias_set): ... here.
5111         * alias.h (get_deref_alias_set): Declare.
5112         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5113         type parameter.  Remove restrict pointer handling.  Create a
5114         ref-all pointer in case type-based alias sets do not conflict.
5115         (vect_analyze_data_refs): Remove SMT related code.
5116         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5117         (vectorizable_load): Likewise.
5118         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5119         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5120         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5121         Ignore vops and SMTs.
5122         (dr_analyze_alias): Likewise..
5123         (free_data_ref): Likewise.
5124         (create_data_ref): Likewise.
5125         (analyze_all_data_dependences): Likewise.
5126         (get_references_in_stmt): Adjust.
5127         * tree-flow-inline.h (gimple_aliases_computed_p,
5128         gimple_addressable_vars, gimple_call_clobbered_vars,
5129         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5130         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5131         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5132         gimple_mem_ref_stats): Remove.
5133         (gimple_vop): New function.
5134         (op_iter_next_use): Remove vuses and mayuses cases.
5135         (op_iter_next_def): Remove vdefs case.
5136         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5137         (clear_and_done_ssa_iter): Do not set removed fields.
5138         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5139         Assert we are not iterating over vuses or vdefs if not also
5140         iterating over uses or defs.
5141         (op_iter_init_use): Likewise.
5142         (op_iter_init_def): Likewise.
5143         (op_iter_next_vdef): Remove.
5144         (op_iter_next_mustdef): Likewise.
5145         (op_iter_init_vdef): Likewise.
5146         (compare_ssa_operands_equal): Likewise.
5147         (link_use_stmts_after): Handle vuse operand.
5148         (is_call_used): Use is_call_clobbered.
5149         (is_call_clobbered): Global variables are always call clobbered,
5150         query the call-clobbers bitmap.
5151         (mark_call_clobbered): Ignore global variables.
5152         (clear_call_clobbered): Likewise.
5153         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5154         virtual operands sanity check.
5155         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5156         Remove.
5157         (TARGET_MEM_REF): Remove TMR_TAG operand.
5158         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5159         Remove call-clobber related code.
5160         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5161         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5162         partitions or escape reason.
5163         (get_single_def_stmt, get_single_def_stmt_from_phi,
5164         get_single_def_stmt_with_phi): Remove.
5165         (dump_referenced_vars): Tidy.
5166         (get_ref_base_and_extent): Allow bare decls.
5167         (collect_dfa_stats): Adjust.
5168         * graphite.c (rename_variables_in_stmt): Adjust.
5169         (graphite_copy_stmts_from_block): Likewise.
5170         (translate_clast): Likewise.
5171         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5172         (EXPR_DIES): New.
5173         (translate_vuse_through_block): Use the oracle.
5174         (phi_translate_1): Adjust.
5175         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5176         in EXPR_DIES.
5177         (valid_in_sets): Check if the VUSE for
5178         a REFERENCE is available.
5179         (eliminate): Do not remove stmts during elimination,
5180         instead queue and remove them afterwards.
5181         (do_pre): Do not rebuild alias info.
5182         (pass_pre): Run TODO_rebuild_alias before PRE.
5183         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5184         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5185         (mark_all_v_defs_stmt): Remove.
5186         (mark_all_v_defs_seq): Adjust.
5187         (sra_replace): Likewise.
5188         (scalarize_use): Likewise.
5189         (scalarize_copy): Likewise.
5190         (scalarize_init): Likewise.
5191         (scalarize_ldst): Likewise.
5192         (todoflags): Remove.
5193         (tree_sra): Do not rebuild alias info.
5194         (tree_sra_early): Adjust.
5195         (pass_sra): Run TODO_update_address_taken before SRA.
5196         * tree-predcom.c (set_alias_info): Remove.
5197         (prepare_initializers_chain): Do not call it.
5198         (mark_virtual_ops_for_renaming): Adjust.
5199         (mark_virtual_ops_for_renaming_list): Remove.
5200         (initialize_root_vars): Adjust.
5201         (initialize_root_vars_lm): Likewise.
5202         (prepare_initializers_chain): Likewise.
5203         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5204         (may_propagate_copy_into_stmt): Likewise.
5205         (merge_alias_info): Do nothing for now.
5206         (propagate_tree_value_into_stmt): Adjust.
5207         (stmt_may_generate_copy): Likewise.
5208         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5209         not mark symbols for renaming.
5210         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5211         with the same statement, make sure to update the new pointed-to one.
5212         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5213         call statements, do not mark symbols for renaming.
5214         (mark_operand_necessary): Dump something.
5215         (ref_may_be_aliased): New function.
5216         (mark_aliased_reaching_defs_necessary_1): New helper function.
5217         (mark_aliased_reaching_defs_necessary): Likewise.
5218         (mark_all_reaching_defs_necessary_1): Likewise.
5219         (mark_all_reaching_defs_necessary): Likewise.
5220         (propagate_necessity): Do not process virtual PHIs.  For
5221         non-aliased loads mark all reaching definitions as necessary.
5222         For aliased loads and stores mark the immediate dominating
5223         aliased clobbers as necessary.
5224         (visited): New global static.
5225         (perform_tree_ssa_dce): Free visited bitmap after propagating
5226         necessity.
5227         (remove_dead_phis): Perform simple dead virtual PHI removal.
5228         (remove_dead_stmt): Properly unlink virtual operands when
5229         removing stores.
5230         (eliminate_unnecessary_stmts): Schedule PHI removal after
5231         stmt removal.
5232         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5233         (process_replaceable): Likewise.
5234         (find_replaceable_in_bb): Likewise.
5235         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5236         based on the single gimple vop.
5237         (verify_flow_insensitive_alias_info): Remove.
5238         (verify_flow_sensitive_alias_info): Likewise.
5239         (verify_call_clobbering): Likewise.
5240         (verify_memory_partitions): Likewise.
5241         (verify_alias_info): Likewise.
5242         (verify_ssa): Adjust..
5243         (execute_update_addresses_taken): Export.  Update SSA
5244         manually.  Optimize only when optimizing.  Use a local bitmap.
5245         (pass_update_address_taken): Remove TODO_update_ssa, add
5246         TODO_dump_func.
5247         (pass_update_address_taken): Just use TODO_update_address_taken.
5248         (init_tree_ssa): Do not initialize addressable_vars.
5249         (verify_ssa): Verify new VUSE / VDEF properties.
5250         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5251         Do not call verify_alias_info.
5252         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5253         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5254         and callused solutions.  Do not free addressable_vars.
5255         Remove memory-tag related code.
5256         (warn_uninitialized_var): Aliases are always available.
5257         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5258         * lambda-code.c (can_put_in_inner_loop): Adjust.
5259         (can_put_after_inner_loop): Likewise.
5260         (perfect_nestify): Likewise.
5261         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5262         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5263         (vectorizable_conversion): Do not mark symbols for renaming.
5264         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5265         (expand_call_inline): Unlink the calls virtual operands before
5266         replacing it.
5267         (tree_function_versioning): Do not call update_ssa if we are not
5268         updating clones.  Simplify.
5269         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5270         (propagate_with_phi): Likewise..
5271         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5272         clobber code.  Assert we are not aliased or global.
5273         * tree-flow.h: Include tree-ssa-alias.h
5274         (enum escape_type): Remove.
5275         (struct mem_sym_stats_d): Likewise.
5276         (struct mem_ref_stats_d): Likewise.
5277         (struct gimple_df): Add vop member.  Remove global_var,
5278         call_clobbered_vars, call_used_vars, addressable_vars,
5279         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5280         escaped and callused members.
5281         (struct ptr_info_def): Remove all members, add points-to solution
5282         member pt.
5283         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5284         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5285         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5286         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5287         (tree-ssa-alias.o): Likewise.
5288         (toplev.o): Add tree-ssa-alias.h
5289         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5290         * gimple.c (gimple_set_bb): Fix off-by-one error.
5291         (is_gimple_reg): Do not handle memory tags.
5292         (gimple_copy): Also copy virtual operands.
5293         Delay updating the statement.  Do not reset loaded and stored syms.
5294         (gimple_set_stored_syms): Remove.
5295         (gimple_set_loaded_syms): Likewise.
5296         (gimple_call_copy_skip_args): Copy the virtual operands
5297         and mark the new statement modified.
5298         * tree-ssa-structalias.c (may_alias_p): Remove.
5299         (set_uids_in_ptset): Take the alias set to prune with as
5300         parameter.  Fold in the alias test of may_alias_p.
5301         (compute_points_to_sets): Compute whether a ptr is dereferenced
5302         in a local sbitmap.
5303         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5304         other ADDRESSOF constraints on the lhs.
5305         (get_constraint_for_component_ref): Assert that we don't get
5306         ADDRESSOF constraints from the base of the reference.
5307         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5308         (struct variable_info): Remove collapsed_to member.
5309         (get_varinfo_fc): Remove.
5310         (new_var_info): Do not set collapsed_to.
5311         (dump_constraint): Do not follow cycles.
5312         (dump_constraint_graph): Likewise.
5313         (build_pred_graph): Likewise.
5314         (build_succ_graph): Likewise.
5315         (rewrite_constraints): Likewise.
5316         (do_simple_structure_copy): Remove.
5317         (do_rhs_deref_structure_copy): Remove.
5318         (do_lhs_deref_structure_copy): Remove.
5319         (collapse_rest_of_var): Remove.
5320         (do_structure_copy): Re-implement.
5321         (pta_stats): New global variable.
5322         (dump_pta_stats): New function.
5323         (struct constraint_expr): Make offset signed.
5324         (UNKNOWN_OFFSET): Define special value.
5325         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5326         (solution_set_expand): New helper function split out from ...
5327         (do_sd_constraint): ... here.
5328         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5329         (do_ds_constraint): Likewise.
5330         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5331         and CALLUSED = *CALLUSED.
5332         (set_union_with_increment): Make inc argument signed.
5333         (type_safe): Remove.
5334         (get_constraint_for_ptr_offset): Handle unknown and negative
5335         constant offsets.
5336         (first_vi_for_offset): Handle offsets before start.  Bail
5337         out early for offsets beyond the variable extent.
5338         (first_or_preceding_vi_for_offset): New function.
5339         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5340         Together with ESCAPED = *ESCAPED this properly computes reachability.
5341         (find_what_var_points_to): New function.
5342         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5343         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5344         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5345         pt_solutions_intersect): New functions.
5346         (compute_call_used_vars): Remove.
5347         (compute_may_aliases): New main entry into PTA computation.
5348         * gimple.h (gimple_p): New typedef.
5349         (struct gimple_statement_base): Remove references_memory_p.
5350         (struct gimple_statement_with_memory_ops_base): Remove
5351         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5352         members.
5353         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5354         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5355         gimple_set_references_memory): Remove.
5356         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5357         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5358         New functions.
5359         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5360         (verify_expr): Allow RESULT_DECL.
5361         (gimple_duplicate_bb): Do not copy virtual operands.
5362         (gimple_duplicate_sese_region): Adjust.
5363         (gimple_duplicate_sese_tail): Likewise.
5364         (mark_virtual_ops_in_region): Remove.
5365         (move_sese_region_to_fn): Do not call it.
5366         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5367         and pass_simple_dse.
5368         (execute_function_todo): Handle TODO_update_address_taken,
5369         call execute_update_addresses_taken for TODO_rebuild_alias.
5370         (execute_todo): Adjust.
5371         (execute_one_pass): Init dump files early.
5372         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5373         call-clobbered.
5374         (create_general_new_stmt): Clear vops.
5375         * tree-ssa-reassoc.c (get_rank): Adjust.
5376         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5377         symbols for renaming.
5378         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5379         (PARAM_AVG_ALIASED_VOPS): Likewise.
5380         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5381         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5382         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5383         (operand_build_cmp, copy_virtual_operands,
5384         create_ssa_artificial_load_stmt, add_to_addressable_set,
5385         gimple_add_to_addresses_taken): Remove public functions.
5386         (unlink_stmt_vdef): New function.
5387
5388 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5389
5390         * config.gcc (powerpc-*-linux*): Merge variants.
5391
5392 2009-04-02  Chao-ying Fu  <fu@mips.com>
5393             James Grosbach  <james.grosbach@microchip.com>
5394
5395         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5396         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5397         cop0_sp_offset.
5398         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5399         keep_interrupts_masked_p, use_debug_exception_return_p.
5400         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5401         keep_interrupts_masked, use_debug_exception_return.
5402         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5403         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5404         New functions.
5405         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5406         (mips_print_operand): Process COP0 registers to print $0 .. $31
5407         correctly for GAS to process.
5408         (mips_interrupt_extra_call_saved_reg_p): New function.
5409         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5410         extra registers.
5411         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5412         (mips_compute_frame_info): Add supports for interrupt context that
5413         includes doubleword accumulators and COP0 registers.
5414         (mips_for_each_saved_acc): New function.
5415         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5416         mips_for_each_saved_reg.
5417         (mips_save_reg): Save accumulators.
5418         (mips_kernel_reg_p): A new for_each_rtx callback.
5419         (mips_expand_prologue): Support interrupt handlers.
5420         (mips_restore_reg): Restore accumulators.
5421         (mips_expand_epilogue): Support interrupt handlers.
5422         (mips_can_use_return_insn): Return false for interrupt handlers.
5423         (mips_epilogue_uses): New function.
5424         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5425         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5426         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5427         cop0_move): New instructions.
5428         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5429         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5430         defines.
5431         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5432         New defines.
5433         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5434         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5435         interrupt handlers, we use K0 as the temporary register.
5436         (EPILOGUE_USES): Change to a function call.
5437         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5438         handlers, we use K0 as the temporary register.
5439
5440         * doc/extend.texi (Function Attributes): Document interrupt,
5441         use_shadow_register_set, keep_interrupts_masked,
5442         use_debug_exception_return for MIPS attributes.
5443
5444 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5445
5446         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5447         Remove a number of t-files from tmake_file.
5448         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5449         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5450         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5451         target_prototype, not TARGET_PROTOTYPE.
5452         (LINK_OS_GNU_SPEC): Define.
5453         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5454         and darwin-ldoubdle.c.
5455
5456 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5457
5458         PR driver/39293
5459         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5460         (cpp_options): Ditto.
5461         (default_compilers): Ditto.
5462         (display_help): Ditto.
5463         (process_command): Ditto.
5464         (do_spec_1): Ditto.
5465         (set_input): Use lbasename instead of duplicate code.
5466         (save_temps_prefix): New static for -save-temps=obj.
5467         (save_temps_length): Ditto.
5468
5469         * doc/invoke.texi (-save-temps=obj): Document new variant to
5470         -save-temps switch.
5471
5472 2009-04-02  Jeff Law  <law@redhat.com>
5473
5474         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5475         variable.
5476
5477 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5478
5479         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5480         * configure: Regenerated.
5481
5482 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5483
5484         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5485         share the argument list.
5486
5487 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5488
5489         Merge
5490
5491         2009-02-12  Diego Novillo  <dnovillo@google.com>
5492
5493         * varpool.c (debug_varpool): New.
5494         * cgraph.h (debug_varpool): Declare.
5495
5496 2009-04-02  Jan Hubicka  <jh@suse.cz>
5497
5498         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5499         pass.
5500
5501 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5502
5503         * config/i386/i386.c (ix86_abi): Move initialization to ...
5504         (override_options): Here.
5505
5506 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5507
5508         * config/sh/sh.c (sh_dwarf_register_span): New function.
5509         (TARGET_DWARF_REGISTER_SPAN): Define.
5510         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5511
5512 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5513
5514         PR tree-optimization/39595
5515         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5516         interleaved loads group is not  greater than the SLP group size.
5517
5518 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5519
5520         * builtins.c (is_builtin_name): New.
5521         (called_as_built_in): Use is_builtin_name.
5522         * tree.h (is_builtin_name): New.
5523         * varasm.c (incorporeal_function_p): Use is_builtin_name
5524
5525 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5526
5527         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5528
5529 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5530
5531         PR c++/26693
5532         * c-decl.c (clone_underlying_type): Move this ...
5533         * c-common.c (set_underlying_type): ... here.
5534         Also, make sure the function properly sets TYPE_STUB_DECL() on
5535         the newly created typedef variant type.
5536         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5537         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5538         points.
5539
5540 2009-04-02  Richard Guenther  <rguenther@suse.de>
5541
5542         PR tree-optimization/37221
5543         * tree-flow.h (degenerate_phi_result): Declare.
5544         * tree-ssa-dom.c (degenerate_phi_result): Export.
5545         * tree-scalar-evolution.c (analyze_initial_condition): If
5546         the initial condition is defined by a degenerate PHI node
5547         use the degenerate value.
5548
5549 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5550
5551         PR rtl-optimization/39588
5552         * combine.c (merge_outer_ops): Do not set the constant when this
5553         is not necessary.
5554         (simplify_shift_const_1): Do not modify it either in this case.
5555
5556 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5557
5558         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5559         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5560
5561 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5562
5563         PR c/29027
5564         * c-lex.c (interpret_float): Default (no suffix) is double.
5565
5566 2009-04-1  Xinliang David Li  <davidxl@google.com>
5567
5568         * config/i386/i386.c (legitimate_constant_p): Recognize
5569         all one vector constant.
5570
5571 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5572
5573         * config/vax/vax.c: Add #includes to silence warnings.
5574         Change #include order to silence two warnings.
5575
5576 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5577
5578         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5579         (ASM_SPEC): Pass -k to the assembler for PIC code.
5580
5581 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5582
5583         * config.gcc: Add vax-*-linux* to the switch.
5584         * config/vax/linux.h: New file. (TARGET_VERSION,
5585         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
5586
5587 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5588
5589         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
5590         Use predicate macros instead of GET_CODE() == foo.
5591         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
5592         ashlsi3, rotrsi3, <unnamed>): Likewise.
5593
5594 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5595
5596         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
5597         jbbccihi, jbbccisi): Remova trailing whitespace.
5598         * config/vax/constraints.md: Likewise.
5599         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5600         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
5601         * config/vax/predicates.md: Likewise.
5602         * config/vax/vax.c (print_operand_address, vax_output_int_move,
5603         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
5604         * config/vax/vax.h: Likewise.
5605         * config/vax/vax.md (nonlocal_goto): Likewise.
5606
5607 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5608
5609         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
5610         (indirectable_address_p, adjacent_operands_p): Add spaces around
5611         braces.
5612         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
5613
5614 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5615
5616         * config/vax/vax.c (legitimate_constant_address_p,
5617         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
5618         index_term_p, reg_plus_index_p, legitimate_address_p,
5619         vax_mode_dependent_address_p): Update comments to match functions
5620         modified by the recent int->bool conversion.
5621
5622 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5623
5624         * config/vax/builtins.md: Update copyright message.
5625         * config/vax/constraints.md: Likewise.
5626         * config/vax/netbsd-elf.h: Likewise.
5627         * config/vax/predicates.md: Likewise.
5628         * config/vax/vax-protos.h: Likewise.
5629         * config/vax/vax.c: Likewise.
5630         * config/vax/vax.h: Likewise.
5631         * config/vax/vax.md: Likewise.
5632         * config/vax/vax.opt: Likewise.
5633
5634 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5635
5636         * config/vax/builtins.md (ffssi2, ffssi2_internal,
5637         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
5638         * config/vax/constraints.md (B, R): Likewise.
5639         * config/vax/predicates.md (external_memory_operand,
5640         nonimmediate_addsub_di_operand): Likewise.
5641         * config/vax/vax.c (vax_output_int_add): Likewise.
5642         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
5643         untyped_call): Likewise.
5644
5645 2009-04-01  Matt Thomas  <matt@3am-software.com>
5646
5647         * config/vax/predicates.md: New file.
5648         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
5649         external_const_operand, nonsymbolic_operand, external_memory_operand,
5650         indirect_memory_operand, indexed_memory_operand,
5651         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
5652         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
5653         predicate.
5654         * config/vax/constraints.md: New file.
5655         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
5656         New constraint.
5657         * config/vax/builtins.md: New file.
5658         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
5659         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
5660         jbbccisi): Define.
5661         * config/vax/vax.opt (mqmath): Add option.
5662         * config/vax/vax.md (isfx): Extend with DI.
5663         (VAXintQH, VAXintQHSD): Define.
5664         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
5665         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
5666         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
5667         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
5668         (movdi): Update constraints and use vax_output_int_move().
5669         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
5670         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
5671         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
5672         nonlocal_goto): New.
5673         (mov<mode>): Extend accepted operand types.
5674         (subdi3_old): Rename from subdi3, change update constraints and use
5675         a new implementation.
5676         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
5677         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
5678         MOVE_RATIO, CLEAR_RATIO): Define.
5679         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
5680         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5681         (PRINT_OPERAND): Redefine using a function instead of inlined code.
5682         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
5683         (split_quadword_operands): Make static and really allow variable
5684         splitting.
5685         (print_operand_address): Update for PIC generation.
5686         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
5687         indexable_address_p, fixup_mathdi_operand,
5688         vax_expand_addsub_di_operands, adjacent_operands_p): New.
5689         (vax_float_literal, legitimate_constant_p,
5690         indirectable_constant_address_p, index_term_p,
5691         reg_plus_index_p): Return bool instead of int.
5692         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
5693         where needed.
5694         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
5695         generation.
5696         (vax_output_conditional_branch): Indent.
5697         (legitimate_constant_address_p, indirectable_constant_address_p,
5698         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
5699         vax_mode_dependent_address_p): Return bool instead of int, update for
5700         PIC generation.
5701         * config/vax/vax-protos.h (legitimate_constant_address_p,
5702         legitimate_constant_p, legitimate_address_p,
5703         vax_mode_dependent_address_p): Change declaration to bool.
5704         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
5705         vax_expand_addsub_di_operands, vax_output_int_subtract,
5706         vax_output_movmemsi): Declare.
5707         (split_quadword_operands, vax_float_literal): Delete declaration.
5708         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
5709         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
5710         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
5711         ASM_OUTPUT_DWARF_PCREL): Define.
5712         (ASM_SPEC): Change definition to allow PIC generation.
5713
5714 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
5715
5716         * doc/sourcebuild.texi: Update front-end requirements.
5717
5718 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5719
5720         PR target/39226
5721         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
5722         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
5723         (booldi3_internal3): Use boolean_or_operator instead of
5724         boolean_operator.
5725
5726 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
5727
5728         PR c/39605
5729         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
5730         declarator whose size is not an integer constant expression but
5731         folds to an integer constant, then treat it as a constant
5732         subsequently.
5733
5734 2009-04-01  Richard Guenther  <rguenther@suse.de>
5735
5736         * fold-const.c (fold_plusminus_mult_expr): Do not fold
5737         i * 4 + 2 to (i * 2 + 1) * 2.
5738
5739 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5740
5741         PR c/37772
5742         * c-parser.c (c_parser_asm_statement): Skip until close paren and
5743         return if c_parser_asm_string_literal returned NULL.
5744
5745 2009-04-01  Nick Clifton  <nickc@redhat.com>
5746
5747         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
5748         already defined.
5749         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
5750         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
5751         other typedefs to avoid conflicts with libgcc2.c.  Define labels
5752         to gain 16-bit bit-manipulation functions from libgcc2.c and then
5753         include it.
5754         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
5755         to gain 16-bit trapping arithmetic functions from libgcc2.c and
5756         then include it.
5757
5758 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
5759
5760         * varasm.c (default_function_rodata_section): Declare DOT as
5761         const char*.
5762
5763 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
5764             Andrey Galkin  <agalkin@hypercom.com>
5765
5766         PR/39492
5767         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
5768         Make object_name unique for each process.
5769
5770 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5771
5772         PR other/39591
5773         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
5774         addressable variables in the parallel that could go out of scope while
5775         running queued tasks.
5776
5777 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
5778
5779         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
5780         (CASE_VALUES_THRESHOLD): Redefine.
5781         * config/avr/avr.c (avr_override_options): Remove initialization of
5782         avr_case_values_threshold variable.
5783         (avr_case_values_threshold): Remove variable. Add new function.
5784         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
5785         * config/avr/avr.opt (mno-tablejump): Remove option.
5786         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
5787
5788 2009-04-01  DJ Delorie  <dj@redhat.com>
5789
5790         * varasm.c (default_function_rodata_section): Don't assume
5791         anything about where the first '.' in the section name is.
5792
5793 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
5794
5795         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
5796         rs6000_emit_stack_tie.
5797
5798 2009-03-31  Ian Lance Taylor  <iant@google.com>
5799
5800         * tree-eh.c (tree_remove_unreachable_handlers): Compare
5801         gimple_code with GIMPLE_RESX, not RESX.
5802
5803 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5804
5805         * c-common.c (c_get_ident): New.
5806         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
5807
5808 2009-04-01  Ben Elliston  <bje@au.ibm.com>
5809
5810         * config/rs6000/sysv4.opt (msdata): Improve option description.
5811
5812 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
5813
5814         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
5815         (divdf3_internal_lat): Remove.
5816         (divxf3_internal_lat): Remove.
5817         (divxf3_internal_thr): Remove.
5818         (divxf): Use divxf3_internal.
5819         * config/ia64/div.md (divsf3_internal_lat): New.
5820         (divdf3_internal_lat): New.
5821         (divxf3_internal): New.
5822
5823 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5824
5825         PR c/448
5826         * Makefile.in (USE_GCC_STDINT): Define.
5827         (stmp-int-hdrs): Install stdint.h if applicable.
5828         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
5829         if known.
5830         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
5831         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
5832         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5833         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5834         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5835         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5836         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5837         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5838         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5839         (c_common_nodes_and_builtins): Initialize
5840         underlying_wchar_type_node.  Do not initialize
5841         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
5842         nodes for new types.
5843         (c_stddef_cpp_builtins): Define macros for new types.
5844         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
5845         Remove.
5846         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
5847         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
5848         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
5849         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
5850         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
5851         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
5852         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
5853         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
5854         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
5855         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
5856         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
5857         int16_type_node, int32_type_node, int64_type_node,
5858         uint8_type_node, uint16_type_node, c_uint32_type_node,
5859         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
5860         int_least32_type_node, int_least64_type_node,
5861         uint_least8_type_node, uint_least16_type_node,
5862         uint_least32_type_node, uint_least64_type_node,
5863         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
5864         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
5865         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
5866         uintptr_type_node): Define.
5867         * c-cppbuiltin.c (builtin_define_constants,
5868         builtin_define_type_minmax): New.
5869         (builtin_define_stdint_macros): Define more macros.
5870         (c_cpp_builtins): Define more limit macros.
5871         (type_suffix): New.
5872         (builtin_define_type_max): Define in terms of
5873         builtin_define_type_minmax.  Remove is_long parameter.  All
5874         callers changed.
5875         * config.gcc (use_gcc_stdint): Define.
5876         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
5877         Add newlib-stdint.h for generic targets.
5878         * config/glibc-stdint.h, config/newlib-stdint.h,
5879         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
5880         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
5881         * config/score/score.h (UINTPTR_TYPE): Define.
5882         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
5883         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
5884         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5885         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5886         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5887         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5888         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5889         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5890         * config/spu/spu.h (STDINT_LONG32): Define.
5891         * configure.ac (use_gcc_stdint): Substitute.
5892         * configure: Regenerate.
5893         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
5894         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
5895         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
5896         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
5897         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
5898         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
5899         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
5900         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
5901         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
5902         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
5903         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
5904         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
5905         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
5906         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
5907         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
5908         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
5909         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
5910         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
5911         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
5912         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
5913         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
5914         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
5915         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5916         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5917         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5918         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5919         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5920         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5921         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
5922
5923 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
5924
5925         * loop-iv.c (suitable_set_for_replacement): Renamed from
5926         simplify_using_assignment; changed to return bool and to accept new
5927         args DEST and SRC.  Return true iff we find a source/destination pair
5928         that can be used to make a replacement, and fill SRC and DEST if so.
5929         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
5930         changed.
5931         (simplify_using_initial_values): Deal with altered regs here and track
5932         more precisely the effect they have on the validity of our expression.
5933
5934         * loop-iv.c (simplify_using_condition): A condition of the form
5935         (EQ REG CONST) can be used to simply make a substitution.
5936         (simplify_using_initial_values): Keep track of conditions we have seen
5937         and keep using them to simplify new expressions, while applying the
5938         same substitutions to them as to the expression.
5939
5940         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5941         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
5942         GEU/LTU reversed.
5943
5944         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
5945         changed.  Use this when trying to improve the upper bound.
5946         Generate the comparison by using simplify_gen_relational.
5947
5948         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
5949
5950         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
5951         functions.
5952         (simplify_using_assignment, simplify_using_initial_values): Call
5953         replace_in_expr to make replacements.  Call replace_single_def_regs
5954         once on the initial version of the expression.
5955
5956 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5957
5958         PR target/27237
5959         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
5960
5961 2009-03-31  Richard Guenther  <rguenther@suse.de>
5962
5963         PR middle-end/31029
5964         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
5965         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
5966
5967 2009-03-31  Richard Guenther  <rguenther@suse.de>
5968
5969         * tree.h (div_if_zero_remainder): Declare.
5970         * fold-const.c (div_if_zero_remainder): Export.
5971         * tree-ssa-forwprop.c
5972         (forward_propagate_addr_into_variable_array_index): Handle
5973         constant array index addition outside of the variable index.
5974
5975 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5976
5977         PR target/39592
5978         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
5979         define_splits, floatunssi<mode>2): Require x87 conversions from
5980         DImode to be permitted.
5981
5982 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5983
5984         PR preprocessor/15638
5985         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
5986
5987 2009-03-31  Richard Guenther  <rguenther@suse.de>
5988
5989         PR middle-end/23401
5990         PR middle-end/27810
5991         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
5992         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
5993         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
5994         a separate statement.
5995         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
5996         (lookup_tmp_var): Likewise.
5997         (is_gimple_formal_tmp_or_call_rhs): Remove.
5998         (is_gimple_reg_or_call_rhs): Rename to ...
5999         (is_gimple_reg_rhs_or_call): ... this.
6000         (is_gimple_mem_or_call_rhs): Rename to ...
6001         (is_gimple_mem_rhs_or_call): ... this.
6002         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6003         DECL_GIMPLE_REG_P only if is_formal is true.
6004         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6005         for non-proper post-modify expression gimplification.
6006         (gimplify_self_mod_expr): For post-modify expressions gimplify
6007         the lvalue to a minimal lvalue.
6008         (rhs_predicate_for): Remove formal temp case.
6009         (gimplify_modify_expr_rhs): Likewise.
6010         (gimplify_addr_expr): Use is_gimple_reg.
6011         (gimplify_expr): Remove formal temp cases.
6012         (gimple_regimplify_operands): Likewise.
6013         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6014         and FILTER_EXPR like constants.
6015         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6016         is_gimple_reg.
6017         (is_gimple_formal_tmp_rhs): Remove.
6018         (is_gimple_reg_rhs): Remove special casing.
6019         (is_gimple_mem_rhs): Fix.
6020         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6021         (is_gimple_formal_tmp_var): Remove.
6022         (is_gimple_formal_tmp_reg): Likewise.
6023         (is_gimple_min_lval): Allow invariant component ref parts.
6024         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6025         is_gimple_formal_tmp_reg): Remove declarations.
6026         * tree-cfg.c (verify_expr): Verify that variables with address
6027         taken do not have DECL_GIMPLE_REG_P set.
6028         * tree-mudflap.c (mf_build_check_statement_for): Use
6029         force_gimple_operand instead of gimplify_expr.
6030
6031 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6032
6033         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6034         schedulable rows to compute_split_row.
6035
6036 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6037
6038         PR target/31635
6039         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6040         OPT_mvrsave.
6041
6042 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6043
6044         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6045         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6046         * configure: Regenerate.
6047         * config.in: Regenerate.
6048         * config/rs6000/rs6000.opt (mtls-markers): Add.
6049         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6050         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6051         (tls_ld_aix, tls_ld_sysv): Likewise.
6052         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6053         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6054
6055 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6056
6057         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6058
6059 2009-03-30  Jan Hubicka  <jh@suse.cz>
6060
6061         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6062         out of RESX.
6063         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6064         detection and label handling.
6065
6066 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6067
6068         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6069         left_conflicts_size.
6070         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6071         ALLOCNO_LEFT_CONFLICTS_SIZE.
6072
6073         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6074         remove_allocno_from_bucket_and_push,
6075         allocno_spill_priority_compare, push_allocnos_to_stack,
6076         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6077         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6078         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6079         setup_allocno_left_conflicts_size.
6080         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6081         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6082         setup_allocno_left_conflicts_size instead of
6083         setup_allocno_left_conflicts_num.
6084
6085         * ira-build.c (ira_create_allocno): Use
6086         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6087         ALLOCNO_LEFT_CONFLICTS_NUM.
6088
6089 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6090
6091         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6092         instead of DF_LR_OUT.
6093
6094         * ira-lives.c (process_bb_node_lives): Ditto.
6095
6096         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6097         instead of DF_LR_{OUT,IN}.
6098
6099         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6100
6101         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6102
6103 2009-03-30  Jan Hubicka  <jh@suse.cz>
6104
6105         * except.c (label_to_region_map): Fix thinko.
6106
6107 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6108
6109         PR middle-end/38237
6110         * tree.h (tree_find_value): New declaration.
6111         * tree.c (tree_find_value): New function.
6112         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6113
6114 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6115
6116         PR debug/39563
6117         * c-decl.c (struct c_binding): Add locus field.
6118         (bind): Add locus argument, set locus field from it.
6119         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6120         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6121         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6122         implicitly_declare, undeclared_variable, lookup_label,
6123         declare_label, c_make_fname_decl, c_builtin_function,
6124         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6125         bind callers.
6126
6127 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6128
6129         PR target/38781
6130         * config/i386/i386.c (classify_argument): Check total size of
6131         structure.
6132
6133 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6134
6135         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6136         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6137         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6138         respectively.
6139
6140         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6141         seen_variable_array_ref while also traversing a union.
6142
6143         * tree-inline.c (optimize_inline_calls): Do not call
6144         cgraph_node_remove_callees.
6145         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6146         (pass_remove_cgraph_callee_edges): New variable.
6147         * passes.c (init_optimization_passes): Add
6148         pass_remove_cgraph_callee_edges after early inlining and before all
6149         late intraprocedural passes.
6150
6151         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6152
6153 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6154
6155         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6156         Fix typos in names.
6157
6158 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6159
6160         * combine.c (simplify_comparison): Use have_insn_for.
6161         * dojump.c (do_jump): Likewise.
6162
6163 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6164
6165         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6166         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6167         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6168         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6169         instead of sparc_compare_emitted.
6170         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6171         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6172         instead of sparc_compare_emitted.
6173
6174 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6175
6176         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6177         enter/exit cfglayout mode.
6178         (pass_partition_block): Require it.
6179         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6180         (combine_instructions): Track basic blocks instead of labels.
6181         (update_cfg_for_uncondjump): New.
6182         (try_combine): Use it.  Update jumps after rescanning.
6183         (pass_combine): Require PROP_cfglayout.
6184         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6185
6186 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6187
6188         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6189         Provide/destroy PROP_cfglayout respectively.
6190         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6191         * tree-pass.h (PROP_cfglayout): New.
6192
6193 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6194
6195         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6196         fold_convert_const_fixed_from_fixed,
6197         fold_convert_const_fixed_from_int,
6198         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6199         set TREE_CONSTANT_OVERFLOW.
6200         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6201         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6202
6203 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6204
6205         * tree-vect-loop-manip.c: New file.
6206         * tree-vectorizer.c: Update documentation and included files.
6207         (vect_loop_location): Make extern.
6208         (rename_use_op): Move to tree-vect-loop-manip.c
6209         (rename_variables_in_bb, rename_variables_in_loop,
6210         slpeel_update_phis_for_duplicate_loop,
6211         slpeel_update_phi_nodes_for_guard1,
6212         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6213         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6214         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6215         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6216         find_loop_location): Likewise.
6217         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6218         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6219         get_vectype_for_scalar_type, vect_is_simple_use,
6220         supportable_widening_operation, supportable_narrowing_operation):
6221         Likewise.
6222         (bb_in_loop_p): Move to tree-vect-loop.c.
6223         (new_loop_vec_info, destroy_loop_vec_info,
6224         reduction_code_for_scalar_code, report_vect_op,
6225         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6226         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6227         (vect_supportable_dr_alignment): Likewise.
6228         * tree-vectorizer.h (tree-data-ref.h): Include.
6229         (vect_loop_location): Declare.
6230         Reorganize function declarations according to the new file structure.
6231         * tree-vect-loop.c: New file.
6232         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6233         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6234         * tree-vect-data-refs.c: New file.
6235         * tree-vect-patterns.c (timevar.h): Don't include.
6236         * tree-vect-stmts.c: New file.
6237         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6238         tree-vect-slp.c, tree-vect-loop.c.
6239         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6240         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6241         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6242         (tree-vect-analyze.o): Remove.
6243         (tree-vect-transform.o): Likewise.
6244         (tree-vect-data-refs.o): Add rule.
6245         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6246         tree-vect-slp.o): Likewise.
6247         (tree-vect-patterns.o): Remove redundant dependencies.
6248         (tree-vectorizer.o): Likewise.
6249         * tree-vect-slp.c: New file.
6250
6251 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6252
6253         * optc-gen.awk: Warn if an option flag has multiple different
6254         help strings.
6255
6256 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6257
6258         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6259         -floop-block): Document dependences on PPL, CLooG and Graphite.
6260
6261 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6262
6263         PR rtl-optimization/323
6264         * c-common.c (c_fully_fold, convert_and_check,
6265         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6266         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6267         * c-common.def (EXCESS_PRECISION_EXPR): New.
6268         * c-cppbuiltin.c (builtin_define_float_constants): Define
6269         constants with enough digits for long double.
6270         * c-lex.c (interpret_float): Interpret constant with excess
6271         precision where appropriate.
6272         * c-opts.c (c_common_post_options): Set
6273         flag_excess_precision_cmdline.  Give an error for
6274         -fexcess-precision=standard for C++ for processors where the
6275         option is significant.
6276         * c-parser.c (c_parser_conditional_expression): Handle excess
6277         precision in condition.
6278         * c-typeck.c (convert_arguments): Handle arguments with excess
6279         precision.
6280         (build_unary_op): Move excess precision outside operation.
6281         (build_conditional_expr): Likewise.
6282         (build_compound_expr): Likewise.
6283         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6284         (build_modify_expr): Handle excess precision in RHS.
6285         (convert_for_assignment): Handle excess precision in converted
6286         value.
6287         (digest_init, output_init_element, process_init_element): Handle
6288         excess precision in initializer.
6289         (c_finish_return): Handle excess precision in return value.
6290         (build_binary_op): Handle excess precision in operands and add
6291         excess precision as needed for operation.
6292         * common.opt (-fexcess-precision=): New option.
6293         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6294         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6295         For standard excess precision, output explicit conversion to and
6296         truncation from XFmode.
6297         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6298         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6299         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6300         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6301         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6302         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6303         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6304         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6305         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6306         define_splits, sqrt<mode>2): Disable where appropriate for
6307         standard excess precision.
6308         * convert.c (convert_to_real): Do not shorten arithmetic to type
6309         for which excess precision would be used.
6310         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6311         * doc/invoke.texi (-fexcess-precision=): Document option.
6312         (-mfpmath=): Correct index entry.
6313         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6314         flag_excess_precision): New.
6315         * langhooks.c (lhd_post_options): Set
6316         flag_excess_precision_cmdline.
6317         * opts.c (common_handle_option): Handle -fexcess-precision=.
6318         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6319         init_excess_precision): New.
6320         (lang_dependent_init_target): Call init_excess_precision.
6321         * tree.c (excess_precision_type): New.
6322         * tree.h (excess_precision_type): Declare.
6323
6324 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6325
6326         PR c/35235
6327         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6328         non-lvalue to component.
6329
6330 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6331
6332         PR preprocessor/34695
6333         * Makefile.in (c-opts.o): Depend on c-tree.h.
6334         * c-common.c: Move down include of diagnostic.h.
6335         (done_lexing, c_cpp_error): New.
6336         * c-common.h (done_lexing): Declare.
6337         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6338         (parse_in).
6339         * c-opts.c: Include c-tree.h.
6340         (c_common_init_options): Set preprocessor error callback.
6341         (c_common_handle_option): Do not set preprocessor
6342         inhibit_warnings, warnings_are_errors, warn_system_headers,
6343         pedantic_errors or inhibit_warnings flags.
6344         (c_common_post_options): Do not check cpp_errors (parse_in).
6345         (c_common_finish): Do not output dependencies if there were
6346         errors.  Do not check return value of cpp_finish.
6347         * c-ppoutput.c (pp_file_change): Set input_location.
6348         * c-tree.h (c_cpp_error): Declare.
6349         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6350         override_column.
6351         (diagnostic_build_prefix): Check override_column.
6352         * diagnostic.h (diagnostic_info): Add override_column field.
6353         (diagnostic_override_column): Define.
6354
6355 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6356
6357         * c-common.c (c_expand_expr, c_staticp): Remove.
6358         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6359         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6360         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6361         * c-gimplify.c (gimplify_compound_literal_expr,
6362         optimize_compound_literals_in_ctor): Remove.
6363         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6364         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6365         * c-semantics.c (emit_local_var): Remove.
6366
6367         * langhooks-def.h (lhd_expand_expr): Remove.
6368         * langhooks.c (lhd_expand_expr): Remove.
6369         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6370
6371         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6372         handling from c-semantics.c; don't call into langhook.
6373         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6374         * gimplify.c (gimplify_compound_literal_expr,
6375         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6376         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6377         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6378         as was done in c-gimplify.c.
6379         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6380         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6381         Move from c-common.h.
6382         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6383
6384         * tree.c (staticp): Do not call langhook.
6385         * langhooks.c (lhd_staticp): Delete.
6386         * langhooks-def.h (lhd_staticp): Delete prototype.
6387         (LANG_HOOKS_STATICP): Delete.
6388         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6389
6390         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6391         instead of DECL_STMTs.
6392
6393 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6394
6395         PR c/456
6396         PR c/5675
6397         PR c/19976
6398         PR c/29116
6399         PR c/31871
6400         PR c/35198
6401         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6402         void_type_node.
6403         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6404         contained expression.
6405         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6406         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6407         conditional expressions for C.
6408         (decl_constant_value_for_optimization): Move from
6409         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6410         whether optimizing and that the expression is a VAR_DECL not of
6411         array type instead of doing such checks in the caller.  Do not
6412         check pedantic.  Call gcc_unreachable for C++.
6413         * c-common.def (C_MAYBE_CONST_EXPR): New.
6414         * c-common.h (c_fully_fold, c_save_expr,
6415         decl_constant_value_for_optimization): New prototypes.
6416         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6417         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6418         EXPR_INT_CONST_OPERANDS): Define.
6419         * c-convert.c (convert): Strip nops from expression.
6420         * c-decl.c (groktypename): Take extra parameters expr and
6421         expr_const_operands.  Update call to grokdeclarator.
6422         (start_decl): Update call to grokdeclarator.  Add statement for
6423         expressions used in type of decl.
6424         (grokparm): Update call to grokdeclarator.
6425         (push_parm_decl): Update call to grokdeclarator.
6426         (build_compound_literal): Add parameter non_const and build a
6427         C_MAYBE_COSNT_EXPR if applicable.
6428         (grokdeclarator): Take extra parameters expr and
6429         expr_const_operands.  Track expressions used in declaration
6430         specifiers and declarators.  Fold array sizes and track whether
6431         they are constant expressions and whether they are integer
6432         constant expressions.
6433         (parser_xref_tag): Set expr and expr_const_operands fields in
6434         return value.
6435         (grokfield): Update call to grokdeclarator.
6436         (start_function): Update call to grokdeclarator.
6437         (build_null_declspecs): Set expr and expr_const_operands fields in
6438         return value.
6439         (declspecs_add_type): Handle expressions in typeof specifiers.
6440         * c-parser.c (c_parser_declspecs): Set expr and
6441         expr_const_operands fields for declaration specifiers.
6442         (c_parser_enum_specifier): Likewise.
6443         (c_parser_struct_or_union_specifier): Likewise.
6444         (c_parser_typeof_specifier): Likewise.  Update call to
6445         groktypename.  Fold expression as needed.  Return expressions with
6446         type instead of adding statements.
6447         (c_parser_attributes): Update calls to c_parser_expr_list.
6448         (c_parser_statement_after_labels): Fold expression before passing
6449         to objc_build_throw_stmt.
6450         (c_parser_condition): Fold expression.
6451         (c_parser_asm_operands): Fold expression.
6452         (c_parser_conditional_expression): Use c_save_expr.  Update call
6453         to build_conditional_expr.
6454         (c_parser_alignof_expression): Update call to groktypename.
6455         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6456         original_code.  Fold expression argument of va_arg.  Create
6457         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6458         argument to va_arg.  Update calls to groktypename.  Fold array
6459         index for offsetof.  Verify that first argument to
6460         __builtin_choose_expr has integer type.
6461         (c_parser_postfix_expression_after_paren_type): Update calls to
6462         groktypename and build_compound_literal.  Handle expressions with
6463         side effects in type name.
6464         (c_parser_postfix_expression_after_primary): Update call to
6465         c_parser_expr_list.  Set original_code for calls to
6466         __builtin_constant_p.
6467         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6468         expressions if requested.
6469         (c_parser_objc_type_name): Update call to groktypename.
6470         (c_parser_objc_synchronized_statement): Fold expression.
6471         (c_parser_objc_receiver): Fold expression.
6472         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6473         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6474         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6475         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6476         (struct c_typespec): Add elements expr and expr_const_operands.
6477         (struct c_declspecs): Add elements expr and expr_const_operands.
6478         (groktypename, build_conditional_expr, build_compound_literal):
6479         Update prototypes.
6480         (in_late_binary_op): Declare.
6481         * c-typeck.c (note_integer_operands): New function.
6482         (in_late_binary_op): New variable.
6483         (decl_constant_value_for_broken_optimization): Move to c-common.c
6484         and rename to decl_constant_value_for_optimization.
6485         (default_function_array_conversion): Do not strip nops.
6486         (default_conversion): Do not call
6487         decl_constant_value_for_broken_optimization.
6488         (build_array_ref): Do not fold result.
6489         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6490         result when operand is a VLA.
6491         (c_expr_sizeof_type): Update call to groktypename.  Handle
6492         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6493         result when operand names a VLA type.
6494         (build_function_call): Update call to build_compound_literal.
6495         Only fold result for calls to __builtin_* functions.  Strip
6496         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6497         the function designator.
6498         (convert_arguments): Fold arguments.  Update call to
6499         convert_for_assignment.
6500         (build_unary_op): Handle increment and decrement of
6501         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6502         decrement earlier.  Fold operand of increment and decrement.
6503         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6504         built for integer operand.  Wrap returns that are INTEGER_CSTs
6505         without being integer constant expressions or that have integer
6506         constant operands without being INTEGER_CSTs.
6507         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6508         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6509         result is an integer constant expression or can be used in
6510         unevaluated parts of one and avoid folding and wrap as
6511         appropriate.  Fold operands before possibly doing -Wsign-compare
6512         warnings.
6513         (build_compound_expr): Wrap result for C99 if operands can be used
6514         in integer constant expressions.
6515         (build_c_cast): Update call to digest_init.  Do not ignore
6516         overflow from casting floating-point constants to integers.  Wrap
6517         results that could be confused with integer constant expressions,
6518         null pointer constants or floating-point constants.
6519         (c_cast_expr): Update call to groktypename.  Handle expressions
6520         included in type name.
6521         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6522         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6523         Update calls to convert_for_assignment.
6524         (convert_for_assignment): Take new parameter
6525         null_pointer_constant.  Do not strip nops or call
6526         decl_constant_value_for_broken_optimization.  Set
6527         in_late_binary_op for conversions to boolean.
6528         (store_init_value): Update call to digest_init.
6529         (digest_init): Take new parameter null_pointer_constant.  Do not
6530         call decl_constant_value_for_broken_optimization.  pedwarn for
6531         initializers not constant expressions.  Update calls to
6532         convert_for_assignment.
6533         (constructor_nonconst): New.
6534         (struct constructor_stack): Add nonconst element.
6535         (really_start_incremental_init, push_init_level, pop_init_level):
6536         Handle constructor_nonconst and nonconst element.
6537         (set_init_index): Call constant_expression_warning for array
6538         designators.
6539         (output_init_element): Fold value.  Set constructor_nonconst as
6540         applicable.  pedwarn for initializers not constant expressions.
6541         Update call to digest_init.  Call constant_expression_warning
6542         where constant initializers are required.
6543         (process_init_element): Use c_save_expr.
6544         (c_finish_goto_ptr): Fold expression.
6545         (c_finish_return): Fold return value.  Update call to
6546         convert_for_assignment.
6547         (c_start_case): Fold switch expression.
6548         (c_process_expr_stmt): Fold expression.
6549         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6550         ensure statement expression is not evaluated in constant expression.
6551         (build_binary_op): Track whether results are integer constant
6552         expressions or may occur in such, disable folding and wrap results
6553         as applicable.  Fold operands for -Wsign-compare warnings unless
6554         in_late_binary_op.
6555         (c_objc_common_truthvalue_conversion): Handle results folded to
6556         integer constants that are not integer constant expressions.
6557         * doc/extend.texi: Document when typeof operands are evaluated,
6558         that condition of __builtin_choose_expr is an integer constant
6559         expression, and more about use of __builtin_constant_p in
6560         initializers.
6561
6562 2009-03-29  Richard Guenther  <rguenther@suse.de>
6563
6564         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6565         propagate addresses of array references.
6566
6567 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6568
6569         * regmove.c (perhaps_ends_bb_p): Remove.
6570         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6571         from INSN and check that the main loop stays within that basic block.
6572         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6573         (regmove_forward_pass): Split out from regmove_optimize.  Use
6574         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6575         (regmove_backward_pass): Split out from regmove_optimize.  Use
6576         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6577         (regmove_optimize): Simplify.
6578
6579 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6580
6581         PR target/39545
6582         * config/i386/i386.c (classify_argument): Ignore flexible array
6583         member in struct and warn ABI change.
6584
6585 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6586
6587         * config/i386/i386-protos.h (ix86_agi_dependent): New.
6588
6589         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
6590         (ix86_adjust_cost): Updated.
6591
6592 2009-03-29  Jan Hubicka  <jh@suse.cz>
6593
6594         PR middle-end/28850
6595         * tree-pass.h (pass_cleanup_eh): New function.
6596         (remove_unreachable_regions): Break code handling RTL
6597         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
6598         that can not be reached by runtime.
6599         (can_be_reached_by_runtime): New function.
6600         (label_to_region_map): New function.
6601         (num_eh_regions): New function.
6602         (rtl_remove_unreachable_regions): New function.
6603         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
6604         (remove_eh_region): New function.
6605         * except.h: Include sbitmap and vecprim.
6606         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
6607         num_eh_regions): Declare.
6608         * passes.c (init_optimization_passes): Schedule cleanup_eh.
6609         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
6610         * tree-eh.c (tree_remove_unreachable_handlers): New function.
6611         (tree_empty_eh_handler_p): New function.
6612         (cleanup_empty_eh): New function.
6613         (cleanup_eh): New function.
6614         (pass_cleanup_eh): New function.
6615
6616 2009-03-29  Jan Hubicka  <jh@suse.cz>
6617
6618         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6619         for removed regions.
6620
6621 2009-03-29  Jan Hubicka  <jh@suse.cz>
6622
6623         * except.c (dump_eh_tree): Dump all datastructures.
6624
6625 2009-03-29  Jan Hubicka  <jh@suse.cz>
6626
6627         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
6628         (duplicate_eh_regions_1): Likewise.
6629         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
6630         vector; call EH verification.
6631         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6632         Be ready for region being removed.
6633
6634 2009-03-29  Jan Hubicka  <jh@suse.cz>
6635
6636         * bitmap.c (bitmap_last_set_bit): New function.
6637         * bitmap.h (bitmap_last_set_bit): Declare.
6638
6639 2009-03-29  David Ayers  <ayers@fsfe.org>
6640
6641         PR objc/27377
6642         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
6643         by calling objc_compare_types and surpress warnings about
6644         incompatible C pointers that are compatible ObjC pointers.
6645
6646 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
6647
6648         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
6649         call initialize_inline_failed.
6650         (initialize_inline_failed): Move it from here ...
6651         * cgraph.c (initialize_inline_failed): ... to here.
6652         (cgraph_create_edge): Call initialize_inline_failed rather than
6653         setting inline_failed directly.
6654
6655 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6656
6657         PR target/32542
6658         * sysv4.opt (msdata): Improve comment.
6659         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
6660         * sysv4.h (SVR4_ASM_SPEC): Likewise.
6661
6662 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6663
6664         PR target/30451
6665         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
6666         load and store attributes.
6667
6668 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6669
6670         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
6671         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
6672         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
6673         * doc/extend.texi (X86 Built-in Functions): Add index entries for
6674         __builtin_infq and __builtin_huge_valq.
6675
6676 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
6677
6678         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
6679         atmega8m1 devices.
6680         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6681         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
6682
6683 2009-03-28  Xinliang David Li  <davidxl@google.com>
6684
6685         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
6686         (do_dbg_cnt): New function.
6687
6688 2009-03-28  Jan Hubicka  <jh@suse.cz>
6689
6690         Merge from pretty-ipa:
6691
6692         2009-03-27  Jan Hubicka  <jh@suse.cz>
6693
6694         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6695         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
6696         * passes.c (function_called_by_processed_nodes_p): New.
6697         * ipa-pure-const.c (check_call): Fix handling of operands.
6698         (analyze_function): Dump debug output for skipped bodies.
6699         (local_pure_const): Use function_called_by_processed_nodes_p.
6700         * dwarf2out.c (reference_to_unused): Use output.
6701         * passes.c (do_per_function_toporder): Likewise.
6702
6703         2008-11-12  Jan Hubicka  <jh@suse.cz>
6704
6705         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
6706         * ipa-pure-const.c (funct_state_d): Add can throw field; make
6707         state_set_in_source enum
6708         (check_decl): Ignore memory tags; do not set fake looping flags;
6709         dump diagnostics.
6710         (check_operand, check_tree, check_rhs_var, check_lhs_var,
6711         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
6712         (check_call, analyze_function): Rewrite.
6713         (check_stmt): New.
6714         (add_new_function): Update call of analyze_function.
6715         (generate_summary): Add call of analyze_function.
6716         (propagate): Propagate can_throw; handle state_set_in_source correctly.
6717         (local_pure_const): New function.
6718         (pass_local_pure_const): New pass.
6719         * ipa-inline.c (inline_transform): Set after_inlining.
6720         * tree-eh.c (stmt_can_throw_external): New.
6721         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
6722         work with aliasing built.
6723         * tree-flow.h (stmt_can_throw_external): New.
6724         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
6725         and local pure/const pass in early and late optimization queue.
6726
6727 2009-03-28  Martin Jambor  <mjambor@suse.cz>
6728
6729         * fold-const.c (get_pointer_modulus_and_residue): New parameter
6730         allow_func_align.
6731         (fold_binary): Allow function decl aligment consideration is the
6732         second argument is integer constant one.
6733         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
6734         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
6735         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
6736
6737 2009-03-28  Jan Hubicka  <jh@suse.cz>
6738
6739         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
6740         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
6741         * function.h (rtl_data): Add nothrow flag.
6742         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
6743         set DECL_NOTHROW for AVAILABLE functions.
6744
6745 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
6746
6747         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
6748         following vector keyword has expansion starting with pixel or bool
6749         keyword, expand vector to __vector and pixel or bool to __pixel or
6750         __bool.
6751
6752         PR c++/39554
6753         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
6754         warn_if_disallowed_function_p): Removed.
6755         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
6756         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
6757         warning_if_disallowed_function_p.
6758         * flags.h (warn_if_disallowed_function_p,
6759         warn_disallowed_functions): Removed.
6760         * common.opt (Wdisallowed-function-list=): Removed.
6761         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
6762
6763 2009-03-28  Richard Guenther  <rguenther@suse.de>
6764
6765         PR tree-optimization/38723
6766         * tree-ssa-pre.c (compute_avail): Add all default definitions to
6767         the entry block.
6768
6769 2009-03-28  Jan Hubicka  <jh@suse.cz>
6770
6771         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
6772         test introduced by my previous patch.
6773
6774 2009-03-28  Richard Guenther  <rguenther@suse.de>
6775
6776         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
6777         the PHIs value undefined.
6778
6779 2009-03-28  Jan Hubicka  <jh@suse.cz>
6780
6781         * tree-pass.h (pass_fixup_cfg): New pass.
6782         * ipa-inline.c (inline_transform): Set
6783         always_inline_functions_inlined/after_inlining.
6784         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
6785         (pass_fixup_cfg): New pass.
6786         * passes.c (init_optimization_passes): Add fixup_cfg.
6787
6788 2009-03-28  Richard Guenther  <rguenther@suse.de>
6789
6790         PR tree-optimization/38458
6791         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
6792         argument use the arguments copy-of value.
6793
6794 2009-03-28  Richard Guenther  <rguenther@suse.de>
6795
6796         PR tree-optimization/38180
6797         * tree-ssa-ccp.c (get_default_value): Simplify.
6798         (likely_value): Likewise.
6799         (surely_varying_stmt_p): Properly handle VOP case.
6800         (ccp_initialize): Likewise.
6801         (ccp_fold): Handle propagating through *&.
6802         (fold_const_aggregate_ref): Also handle decls.
6803
6804 2009-03-28  Jan Hubicka  <jh@suse.cz>
6805
6806         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6807         * cgraph.h (cgraph_node): Likewise.
6808         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
6809         (cgraph_reset_node): Use process flag.
6810         (cgraph_mark_functions_to_output): Likewise.
6811         (cgraph_expand_function): Likewise.
6812         (cgraph_expand_all_functions): Likewise.
6813         (cgraph_output_in_order): Likewise.
6814         * dwarf2out.c (reference_to_unused): Likewise.
6815         * passes.c do_per_function_toporder): Likewise.
6816
6817 2009-03-28  Jan Hubicka  <jh@suse.cz>
6818
6819         Bring from lto-branch:
6820
6821         2008-09-03  Doug Kwan  <dougkwan@google.com>
6822
6823         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
6824         enums instead of reason strings.
6825         * cgraph.c (cgraph_create_edge): Same.
6826         (cgraph_inline_failed_string): New function.
6827         * cgraph.h (cgraph_inline_failed_t): New enum type.
6828         (cgraph_inline_failed_string): New prototype.
6829         (struct cgraph_edge): Change type of INLINED_FAILED from constant
6830         char pointer to cgraph_inline_failed_t.
6831         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
6832         (cgraph_default_inline_p): Ditto.
6833         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
6834         to cgraph_inline_failed_t pointer.
6835         * cif-code.def: New file.
6836         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
6837         reason string.
6838         (cgraph_check_inline_limits): Change type of REASON to pointer to
6839         cgraph_inline_failed_t.  Replace reason strings with enums.
6840         (cgraph_default_inline_p): Ditto.
6841         (cgraph_recursive_inlining_p): Ditto.
6842         (update_caller_keys): Change type of FAILED_REASON to
6843         cgraph_inline_failed_t.
6844         (cgraph_set_inline_failed): Change type of REASON to pointer to
6845         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
6846         convert enums to strings for text output.
6847         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
6848         to be of type cgraph_inline_failed_t.  Replace reason strings with
6849         enums.  Call cgraph_inline_failed_string to covert enums
6850         to strings for text output.
6851         (cgraph_decide_inlining): Replace reason strings with enums.
6852         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
6853         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
6854         for text output.
6855         * tree-inline.c (expand_call_inline): Change type of REASON
6856         to cgraph_inline_failed_t.  Replace reason strings with enums.
6857         Call cgraph_inline_failed_string for text output.
6858         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
6859         (cgraph.o): Ditto.
6860
6861 2009-03-28  Jan Hubicka  <jh@suse.cz>
6862
6863         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
6864         cgraph_clone_node): Remove master clone handling.
6865         (cgraph_is_master_clone, cgraph_master_clone): Remove.
6866         * cgraph.h (master_clone): Remove.
6867         (cgraph_is_master_clone, cgraph_master_clone): Remove.
6868         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
6869         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
6870
6871 2009-03-28  Jan Hubicka  <jh@suse.cz>
6872
6873         * cgraph.c (cgraph_function_body_availability): Functions declared
6874         inline are always safe to assume that it is not going to be replaced.
6875
6876 2009-03-28  Richard Guenther  <rguenther@suse.de>
6877
6878         PR tree-optimization/38513
6879         * tree-ssa-pre.c (eliminate): Remove redundant stores.
6880         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6881         EXC_PTR_EXPR and FILTER_EXPR.
6882         (get_ref_from_reference_ops): Likewise.
6883
6884 2009-03-28  Richard Guenther  <rguenther@suse.de>
6885
6886         PR tree-optimization/38968
6887         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6888         Use FLOOR_MOD_EXPR to compute misalignment.
6889
6890 2009-03-28  Richard Guenther  <rguenther@suse.de>
6891
6892         PR tree-optimization/37795
6893         * tree.h (combine_comparisons): Declare.
6894         * fold-const.c (combine_comparisons): Export.
6895         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
6896         comparisons.
6897         (ifcombine_iforif): Use combine_comparisons.
6898
6899 2009-03-28  Jan Hubicka  <jh@suse.cz>
6900
6901         * tree-eh.c (inlinable_call_p): New function.
6902         (make_eh_edges): Use it.
6903         (verify_eh_edges): Use it.
6904         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
6905         * except.c (reachable_next_level): Add inlinable_function argument
6906         (sjlj_find_directly_reachable_regions): Update.
6907         (add_reachable_handler): Do not set saw_any_handlers.
6908         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
6909         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6910         Add new inlinable call parameter.
6911         (can_throw_internal, can_throw_external): Update.
6912         * except.h (can_throw_internal_1, can_throw_external_1,
6913         foreach_reachable_handler): Update declaration.
6914
6915 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
6916
6917         * config/arm/t-arm-coff, config/h8300/coff.h,
6918         config/i386/i386-aout.h, config/i386/i386-coff.h,
6919         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
6920         config/pdp11/2bsd.h, config/rs6000/aix41.h,
6921         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
6922         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
6923         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
6924         sys-types.h: Remove.
6925         * Makefile.in: Remove protoize and fixproto support and references
6926         in comments.
6927         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
6928         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
6929         Remove.
6930         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
6931         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
6932         unprotoize$(exeext).
6933         (rest.encap): Don't depend on $(STMP_FIXPROTO)
6934         (.PHONY): Don't depend on proto.
6935         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
6936         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
6937         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
6938         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
6939         build/gen-protos.o, build/scan.o, xsys-protos.h,
6940         build/fix-header$(build_exeext), build/fix-header.o,
6941         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
6942         stmp-install-fixproto): Remove.
6943         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
6944         SYSCALLS.c or fixproto files.
6945         (install-common): Don't install protoize.
6946         (install-headers-tar, install-headers-cpio, install-headers-cp):
6947         Don't depend on $(STMP_FIXPROTO).
6948         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
6949         install fixproto files or write out fixproto settings.
6950         (uninstall): Don't uninstall protoize.
6951         * config.gcc (use_fixproto): Remove.
6952         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
6953         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
6954         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
6955         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
6956         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
6957         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
6958         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
6959         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
6960         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
6961         * config/t-vxworks (STMP_FIXPROTO): Remove.
6962         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
6963         STMP_FIXPROTO): Remove.
6964         * config.in, configure: Regenerate.
6965         * crtstuff.c (gid_t, uid_t): Don't undefine.
6966         * doc/install.texi: Change m68k-coff to m68k-elf in example.
6967         (arm-*-coff, arm-*-aout: Remove target entries.
6968         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
6969         Remove mention of AIX 4.1.
6970         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
6971         * doc/invoke.texi (Running Protoize): Remove.
6972         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
6973         (Protoize Caveats): Remove.
6974         * tsystem.h: Update comments on headers assumed to exist.
6975
6976 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
6977
6978         * genautomata.c: Add a new year to the copyright.  Add a new
6979         reference.
6980         (struct insn_reserv_decl): Add comments for member bypass_list.
6981         (find_bypass): Remove.
6982         (insert_bypass): New.
6983         (process_decls): Use insert_bypass.
6984         (output_internal_insn_latency_func): Output all bypasses with the
6985         same input insn in one switch case.
6986
6987         * rtl.def (define_bypass): Describe bypass choice.
6988         * doc/md.texi (define_bypass): Ditto.
6989
6990 2009-03-27  Richard Guenther  <rguenther@suse.de>
6991
6992         * gimplify.c (mark_addressable): Export.
6993         * tree-flow.h (mark_addressable): Declare.
6994         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
6995         * tree-ssa.c (verify_phi_args): Verify that address taken
6996         variables have TREE_ADDRESSABLE set.
6997
6998 2009-03-27  Richard Guenther  <rguenther@suse.de>
6999
7000         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7001         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7002         Do not mark decls TREE_ADDRESSABLE.
7003         (build_fold_addr_expr): Adjust.
7004         (fold_addr_expr): Remove.
7005         (fold_unary): Use build_fold_addr_expr.
7006         (fold_comparison): Likewise.
7007         (split_address_to_core_and_offset): Likewise.
7008         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7009         TREE_ADDRESSABLE.
7010         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7011         (gimplify_modify_expr_to_memcpy): Mark source and destination
7012         addressable.
7013         * omp-low.c (create_omp_child_function): Mark the object decl
7014         TREE_ADDRESSABLE.
7015         (lower_rec_input_clauses): Mark the var we take the address of
7016         TREE_ADDRESSABLE.
7017         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7018
7019 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7020
7021         PR middle-end/39315
7022         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7023         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7024
7025 2009-03-27  Richard Guenther  <rguenther@suse.de>
7026
7027         PR tree-optimization/39120
7028         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7029         constraints.
7030         (handle_lhs_call): Process return constraints.  Add escape
7031         constraints if necessary.
7032         (handle_const_call): Fill out return constraints.  Make nested
7033         case more precise.  Avoid consttmp if possible.
7034         (handle_pure_call): Fill out return constraints.  Avoid
7035         callused if possible.
7036         (find_func_aliases): Simplify call handling.
7037
7038 2009-03-27  Richard Guenther  <rguenther@suse.de>
7039
7040         PR tree-optimization/39120
7041         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7042         as a representative.
7043         (solve_graph): Do propagate CALLUSED.
7044         (handle_pure_call): Use a scalar constraint from CALLUSED for
7045         the return value.
7046         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7047         solutions.
7048
7049 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7050
7051         PR c/39323
7052         * c-common.c (handle_aligned_attribute): Properly check alignment
7053         overflow.  Use (1U << i) instead of (1 << i).
7054
7055         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7056
7057         * expr.h (get_mem_align_offset): Updated.
7058
7059         * tree.h (tree_decl_common): Change align to "unsigned int" and
7060         move it before pointer_alias_set.
7061
7062 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7063             Jakub Jelinek  <jakub@redhat.com>
7064
7065         PR target/38034
7066         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7067         gr_register_operand with gr_reg_or_0_operand.
7068         (cmpxchg_rel_di): Likewise.
7069         (sync_lock_test_and_set<mode>): Likewise.
7070
7071 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7072
7073         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7074         (true_regnum): Likewise.
7075
7076         * rtlanal.c (subreg_info): Moved to ...
7077         * rtl.h (subreg_info): Here.  New.
7078         (subreg_get_info): New.
7079
7080         * rtlanal.c (subreg_get_info): Make it extern.
7081
7082 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7083
7084         PR target/39472
7085         * config/i386/i386.c (ix86_abi): New.
7086         (override_options): Handle -mabi=.
7087         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7088         (ix86_call_abi_override): Likewise.
7089         (init_cumulative_args): Likewise.
7090         (function_arg_advance): Likewise.
7091         (function_arg_64): Likewise.
7092         (function_arg): Likewise.
7093         (ix86_pass_by_reference): Likewise.
7094         (ix86_function_value_regno_p): Likewise.
7095         (ix86_build_builtin_va_list_abi): Likewise.
7096         (setup_incoming_varargs_64): Likewise.
7097         (is_va_list_char_pointer): Likewise.
7098         (ix86_init_machine_status): Likewise.
7099         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7100         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7101         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7102         (ix86_function_abi): Make it static and return enum calling_abi.
7103         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7104         with ix86_abi.
7105         (ix86_fn_abi_va_list): Updated.
7106
7107         * config/i386/i386.h (ix86_abi): New.
7108         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7109         (CONDITIONAL_REGISTER_USAGE): Likewise.
7110         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7111         (machine_function): Likewise.
7112
7113         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7114         with ix86_abi.
7115         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7116         (STACK_BOUNDARY): Likewise.
7117         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7118
7119         * config/i386/i386.opt (mabi=): New.
7120
7121         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7122         return enum calling_abi.
7123         (ix86_function_type_abi): Likewise.
7124         (ix86_function_abi): Removed.
7125
7126         * doc/invoke.texi: Document -mabi= option for x86.
7127
7128 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7129
7130         * builtins.c (real_dconstp): Delete.
7131         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7132
7133 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7134             Jakub Jelinek  <jakub@redhat.com>
7135
7136         PR debug/37959
7137         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7138         (gen_subprogram_die): When a function is explicit, generate the
7139         DW_AT_explicit attribute.
7140         * langhooks.h (struct lang_hooks_for_decls): Add
7141         function_decl_explicit_p langhook.
7142         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7143         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7144
7145 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7146
7147         * builtins.c (fold_builtin_memory_op): Optimize memmove
7148         into memcpy if we can prove source and destination don't overlap.
7149
7150         * tree-inline.c: Include gt-tree-inline.h.
7151         (clone_fn_id_num): New variable.
7152         (clone_function_name): New function.
7153         (tree_function_versioning): Use it.
7154         * Makefile.in (GTFILES): Add tree-inline.c.
7155
7156 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7157
7158         * BASE-VER: Change to 4.5.0.
7159
7160 2009-03-27  Xinliang David Li  <davidxl@google.com>
7161
7162         PR tree-optimization/39557
7163         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7164
7165 2009-03-27  Xinliang David Li  <davidxl@google.com>
7166
7167         PR tree-optimization/39548
7168         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7169         candidate check.
7170
7171 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7172
7173         * c-common.c (pointer_int_sum): Use %wd on return from
7174         tree_low_cst.
7175
7176 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7177
7178         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7179         on return from tree_low_cst.
7180
7181 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7182
7183         PR c++/36799
7184         * ginclude/stdarg.h (va_copy): Define also for
7185         __GXX_EXPERIMENTAL_CXX0X__.
7186
7187 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7188
7189         PR c++/35652
7190         * builtins.h (c_strlen): Do not warn here.
7191         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7192         * c-common.c (pointer_int_sum): Take an explicit location.
7193         Warn about offsets out of bounds.
7194         * c-common.h (pointer_int_sum): Adjust declaration.
7195
7196 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7197
7198         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7199         markup glitch.
7200
7201 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7202
7203         PR c++/39554
7204         * opts.c (warn_if_disallowed_function_p): Don't assume
7205         get_callee_fndecl must return non-NULL.
7206
7207 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7208
7209         PR rtl-optimization/39522
7210         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7211         when reg_reloaded_valid is set.
7212
7213 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7214
7215         * config/spu/divv2df3.c: New file.
7216         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7217         (DPBIT_FUNCS): Filter out _div_df.
7218
7219 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7220
7221         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7222         a jump insn, count that jump in the distance to the loop start.
7223
7224 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7225
7226         PR target/39523
7227         * config/sh/sh.c (calc_live_regs): Fix condition for global
7228         registers except PIC_OFFSET_TABLE_REGNUM.
7229
7230 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7231
7232         PR/39518
7233         * doc/invoke.texi (-mconsole): New.
7234         (-mcygwin): New.
7235         (-mno-cygwin): New.
7236         (-mdll): New.
7237         (-mnop-fun-dllimport): New.
7238         (-mthread): New.
7239         (-mwin32): New.
7240         (-mwindows): New.
7241         (sub section "i386 and x86-64 Windows Options"): New.
7242
7243 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7244
7245         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7246         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7247
7248 2009-03-25  Richard Guenther  <rguenther@suse.de>
7249
7250         PR middle-end/39497
7251         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7252         of -Wno-error.
7253
7254 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7255
7256         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7257         neither of haifa/selective schedulers are working.
7258
7259 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7260
7261         * doc/invoke.texi (Debugging Options): Fix description of
7262         -fno-merge-debug-strings.
7263
7264 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7265
7266         * config/cris/libgcc.ver: New version-script.
7267         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7268
7269         * configure.ac <GAS features, nop mnemonic>: Add pattern
7270         crisv32-*-* for "nop".
7271         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7272         * configure: Regenerate.
7273
7274 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7275
7276         PR tree-optimization/39529
7277         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7278         mark_sym_for_renaming for the tag copied to the new vector
7279         pointer.
7280
7281 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7282
7283         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7284         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7285         EXTRA_SPEC_FUNCTIONS.
7286         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7287         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7288         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7289         -march and -mtune options.
7290
7291 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7292
7293         * config/m68k/t-rtems: Add m5329 multilib.
7294
7295 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7296             Jakub Jelinek  <jakub@redhat.com>
7297
7298         PR debug/39524
7299         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7300         nodes.
7301
7302 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7303
7304         PR c/39495
7305         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7306         instead of c_parser_expression_conv, if original_code isn't one of the
7307         4 allowed comparison codes, fail.
7308
7309 2009-03-23  Richard Guenther  <rguenther@suse.de>
7310
7311         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7312         * tree.h (struct tree_type): Likewise.
7313         * reload.h (struct insn_chain): Likewise.
7314         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7315         * function.h (struct function): Likewise.
7316         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7317
7318 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7319
7320         PR tree-optimization/39516
7321         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7322
7323 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7324
7325         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7326         should be set true if BITS_PER_WORD of target is bigger than 32
7327
7328 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7329
7330         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7331         Translate -B-options to -rpath-link.  Correct existing
7332         rpath-link and conditionalize on !nostdlib.
7333
7334 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7335
7336         * doc/extend.texi (Function Attributes, Variable Attributes):
7337         Fix typos.
7338         * doc/invoke.texi (Debugging Options, Optimize Options)
7339         (i386 and x86-64 Options, MCore Options): Likewise.
7340
7341 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7342
7343         PR debug/37890
7344         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7345         it for block local namespace aliases.
7346         (gen_decl_die): Pass context_die to gen_namespace_die.
7347
7348 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7349
7350         PR c/39495
7351         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7352         minimum or maximum value.
7353
7354 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7355
7356         * reginfo.c (globalize_reg): Recompute derived reg sets.
7357
7358 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7359
7360         PR target/39063
7361         * libgcc2.c (mprotect): Do not use signed arguments for
7362         VirtualProtect, use DWORD arguments.  Also fix the 'may
7363         be used uninitialized' warning for the np variable.
7364
7365 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7366
7367         PR target/39496
7368         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7369         functions using regparm calling conventions when not optimizing.
7370         (ix86_function_sseregparm): Similarly for sseregparm calling
7371         conventions.
7372
7373 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7374
7375         PR middle-end/39500
7376         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7377         dependence if the first conflict is after niter iterations.
7378
7379 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7380
7381         PR middle-end/38609
7382         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7383         functions with dynamic stack-pointer adjustments.
7384
7385 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7386
7387         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7388         option; change to -msdata=data.
7389
7390 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7391
7392         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7393         and -fopenmp.
7394
7395 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7396
7397         PR target/35180
7398         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7399
7400 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7401
7402         * doc/invoke.texi (Code Gen Options): Expand discussion of
7403         -fno-common.
7404
7405 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7406
7407         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7408         * matrix-reorg.c (struct matrix_info): Likewise.
7409         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7410         * rtl.h (struct mem_attrs): Likewise.
7411         * df.h (struct df): Likewise.
7412         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7413         * ira-int.h (struct ira_allocno): Likewise.
7414         * df-scan.c (struct df_collection_rec): Likewise.
7415         * ira.c (struct equivalence): Likewise.
7416         * function.c (struct temp_slot): Likewise.
7417         * cfgloop.h (struct loop): Likewise.
7418
7419         PR debug/39485
7420         * function.c (use_register_for_decl): When not optimizing, disregard
7421         register keyword for variables with types containing methods.
7422
7423 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7424
7425         PR middle-end/39447
7426         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7427         (is_simple_operand): Call contains_component_ref_p before calling data
7428         reference analysis that would fail on COMPONENT_REFs.
7429
7430         * tree-vrp.c (search_for_addr_array): Fix formatting.
7431
7432 2009-03-18  Richard Guenther  <rguenther@suse.de>
7433
7434         * tree-vect-transform.c (vect_loop_versioning): Fold the
7435         generated comparisons.
7436         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7437         (slpeel_tree_peel_loop_to_edge): Likewise.
7438
7439 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7440
7441         PR middle-end/37805
7442         * opts.c (print_specific_help): In addition to `undocumented',
7443         accept `separate' and `joined' flags if passed alone.  Describe
7444         output by the first matched one of those.
7445         (common_handle_option): Skip over empty strings.
7446         * gcc.c (display_help): Fix help string for `--help='.
7447         * doc/invoke.texi (Option Summary, Overall Options): With
7448         `--help=', classes and qualifiers can both be repeated, but
7449         only the latter can be negated.  One should not pass only
7450         negated qualifiers.  Fix markup and examples.
7451
7452         Revert
7453         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7454         PR middle-end/37805
7455         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7456         and -fhelp=separate.
7457
7458 2009-03-17  Jing Yu  <jingyu@google.com>
7459
7460         PR middle-end/39378
7461         * function.h (struct rtl_data): Move is_thunk from here...
7462         (struct function): ...to here.
7463         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7464         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7465         cfun.
7466         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7467         cfun.
7468         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7469         (alpha_output_function_end_prologue): Likewise.
7470         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7471         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7472         (rs6000_output_function_epilogue): Likewise.
7473         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7474
7475 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7476
7477         PR target/39482
7478         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7479         from different units in a single alternative.
7480         (*truncdfsf_i387): Ditto.
7481         (*truncxfsf2_mixed): Ditto.
7482         (*truncxfdf2_mixed): Ditto.
7483
7484 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7485
7486         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7487         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7488
7489         PR debug/39474
7490         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7491         unused non-artificial variables when not optimizing.
7492
7493         PR debug/39471
7494         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7495         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7496         NAMESPACE_DECL in its DECL_INITIAL.
7497
7498         PR middle-end/39443
7499         * optabs.c (set_user_assembler_libfunc): New function.
7500         * expr.h (set_user_assembler_libfunc): New prototype.
7501         * c-common.c: Include libfuncs.h.
7502         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7503         for memcmp, memset, memcpy, memmove and abort.
7504         * Makefile.in (c-common.o): Depend on libfuncs.h.
7505
7506         PR debug/39412
7507         * dwarf2out.c (gen_inlined_enumeration_type_die,
7508         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7509         gen_tagged_type_instantiation_die): Removed.
7510         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7511         do nothing.
7512
7513 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7514
7515         PR testsuite/38526
7516         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7517         its use.
7518         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7519         (check-parallel-%): Ditto.
7520         (check-consistency): Ditto.
7521
7522 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7523
7524         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7525         local variable rhs by NULL_TREE.
7526
7527 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7528
7529         PR target/39477
7530         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7531
7532 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7533
7534         PR target/39476
7535         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7536
7537 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7538
7539         PR target/39473
7540         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7541         for ms->sysv ABI calls only in 64bit mode.
7542
7543         * config/i386/i386.md (untyped_call): Support 32bit.
7544
7545 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7546
7547         * doc/extend.texi: Replace x86_65 with x86_64.
7548
7549 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7550
7551         PR tree-optimization/39455
7552         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7553         mismatches for POINTER_TYPE_P (type).
7554         (number_of_iterations_le): Likewise.
7555
7556 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7557
7558         * config/picochip/picochip.c: Removed profiling support.
7559         * config/picochip/picochip.md: Removed profiling instruction.
7560         * config/picochip/picochip.h: Removed profiling builtin.
7561
7562 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7563
7564         * doc/install.texi (--with-host-libstdcxx): Document.
7565
7566 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7567
7568         PR target/34299
7569         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7570         generate a warning if the function name does not begin with
7571         "__vector" and the function has either the 'signal' or 'interrupt'
7572         attribute, from here to ...
7573         (avr_declare_function_name): ...here. New function.
7574         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7575         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7576
7577 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7578
7579         PR bootstrap/39454
7580         * cse.c (fold_rtx): Don't modify original const_arg1 when
7581         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7582         separate variable instead.
7583         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7584         from out of range shift counts.
7585         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
7586
7587 2009-03-13  Catherine Moore  <clm@codesourcery.com>
7588
7589         * config/i386/x-mingw32 (host-mingw32.o): Replace
7590         diagnostic.h with $(DIAGNOSTIC_H).
7591
7592 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
7593
7594         PR target/39431
7595         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
7596         predicate.
7597         * config/i386/sync.md (sync_compare_and_swap<mode>,
7598         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
7599         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
7600         into a register.
7601         (sync_double_compare_and_swapdi_pic,
7602         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
7603         cmpxchg8b_pic_memory_operand instead of just memory_operand.
7604
7605 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7606
7607         PR target/39445
7608         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
7609
7610 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7611
7612         PR target/39327
7613         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7614         (avx_addsubv4df3): Likewise.
7615         (*avx_addsubv4sf3): Likewise.
7616         (sse3_addsubv4sf3): Likewise.
7617
7618 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7619
7620         PR target/38824
7621         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
7622
7623 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7624
7625         PR debug/39432
7626         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
7627         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
7628         registers for allocnos created from user-defined variables.
7629
7630 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7631
7632         PR target/39181
7633         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
7634         of non-integer mode as well.
7635
7636 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
7637
7638         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
7639         for functions for which the parameter types are unknown.
7640
7641 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
7642
7643         PR target/39137
7644         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
7645         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
7646         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
7647         * config/i386/i386.c (ix86_local_alignment): For
7648         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
7649         long long variables on the stack to avoid dynamic realignment.
7650         Allow the first argument to be a decl rather than type.
7651         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
7652
7653 2009-03-11  Nick Clifton  <nickc@redhat.com>
7654
7655         PR target/5362
7656         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
7657         options.
7658         Add description to mno-lsim option.
7659         * config/mcore/mcore.h: Remove comment about deprecated m4align
7660         option.
7661         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
7662         * doc/invoke.texi: Add description of mno-lsim and
7663         mstack-increment options.
7664
7665         * config/fr30/fr30.opt: Document the -mno-lsim option.
7666         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
7667         and -mno-lsim options.
7668
7669 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7670
7671         * fold-const.c (fold_comparison): Only call fold_inf_compare
7672         if the mode supports infinities.
7673
7674 2009-03-11  Jason Merrill  <jason@redhat.com>
7675
7676         PR debug/39086
7677         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
7678         end already did.  Notice GIMPLE_CALL modifications of the result.
7679         Don't copy debug information from an ignored decl or a decl from
7680         another function.
7681
7682 2009-03-10  Richard Guenther  <rguenther@suse.de>
7683             Nathan Froyd  <froydnj@codesourcery.com>
7684
7685         PR middle-end/37850
7686         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
7687         (__divMODE3): Likewise.
7688
7689 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
7690
7691         PR tree-optimization/39394
7692         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
7693         DECL_SIZE_UNIT of variable length FIELD_DECLs.
7694
7695 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7696
7697         * recog.c (verfiy_changes): Disallow renaming of hard regs in
7698         inline asms for register asm ("") declarations.
7699
7700 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
7701
7702         * fold-const.c (fold_unary): Fix comment.
7703
7704 2009-03-07  Jan Hubicka  <jh@suse.cz>
7705
7706         PR target/39361
7707         * tree-inline.c (setup_one_parameter): Do replacement of const
7708         argument by constant in SSA form.
7709
7710 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7711
7712         PR middle-end/38028
7713         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
7714         determine alignment passed to assign_stack_local.
7715         (assign_parms_unsplit_complex): Likewise.
7716         * except.c (sjlj_build_landing_pads): Likewise.
7717
7718 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7719
7720         PR middle-end/39360
7721         * tree-flow.h (add_referenced_var): Return bool instead of void.
7722         * tree-dfa.c (add_referenced_var): Return result of
7723         referenced_var_check_and_insert call.
7724         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
7725         of referenced_var_check_and_insert.
7726
7727         PR debug/39372
7728         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
7729         (gen_variable_die): Emit DW_AT_location on abstract static variable's
7730         DIE, don't emit it if abstract origin already has it.
7731         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
7732         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
7733
7734 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7735
7736         * genpreds.c (needs_variable): Fix parentheses at variable name
7737         detection.
7738         (write_tm_constrs_h): Indent generated code.
7739
7740 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7741
7742         * doc/extend.texi (Function Attributes): Add documentation
7743         for isr attributes.
7744
7745 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7746
7747         PR debug/39387
7748         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
7749         take locus from its DECL_SOURCE_LOCATION instead of input_location.
7750
7751 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7752
7753         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
7754         the loop as bad.
7755
7756 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
7757
7758         PR debug/39379
7759         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
7760         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
7761
7762 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
7763
7764         * config/i386/i386.md (R8_REG, R9_REG): New constants.
7765         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
7766         constants instead of magic numbers.
7767         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
7768         (QI_REG_P): Ditto.
7769         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
7770         (x86_64_ms_abi_int_parameter_registers): Ditto.
7771         (x86_64_int_return_registers): Ditto.
7772         (ix86_maybe_switch_abi): Ditto.
7773         (ix86_expand_call): Ditto for clobbered_registers array.
7774         (ix86_hard_regno_mode_ok): Ditto.
7775         (x86_extended_QIreg_mentioned_p): Ditto.
7776
7777 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
7778
7779         PR tree-optimization/39349
7780         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
7781
7782         * combine.c (gen_lowpart_for_combine): Use omode when generating
7783         clobber.
7784
7785 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
7786
7787         PR rtl-optimization/39235
7788         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
7789
7790 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
7791
7792         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
7793
7794 2009-03-04  Richard Guenther  <rguenther@suse.de>
7795
7796         PR tree-optimization/39362
7797         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
7798         that occur in abnormal PHIs should be varying.
7799
7800 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
7801
7802         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
7803         Extend comments.
7804         (simple_iv):  Take loop as an argument instead of statement.
7805         * tree-scalar-evolution.h (simple_iv): Declaration changed.
7806         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
7807         to simple_iv.
7808         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
7809         Ditto.
7810         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
7811         * matrix-reorg.c (analyze_transpose): Ditto.
7812         * tree-data-ref.c (dr_analyze_innermost): Ditto.
7813         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7814         * tree-predcom.c (ref_at_iteration): Ditto.
7815         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
7816
7817 2009-03-04  Richard Guenther  <rguenther@suse.de>
7818
7819         PR tree-optimization/39358
7820         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
7821         escaped_id and callused_id.
7822         (solve_graph): Likewise.
7823
7824 2009-03-04  Richard Guenther  <rguenther@suse.de>
7825
7826         PR tree-optimization/39339
7827         * tree-sra.c (try_instantiate_multiple_fields): Make it
7828         no longer ICE on the above.
7829
7830 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
7831
7832         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
7833         that fits within Pmode.
7834
7835 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
7836
7837         PR middle-end/10109
7838         * tm.texi (LIBCALL_VALUE): Update description.
7839
7840 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
7841
7842         PR middle-end/34443
7843         * doc/extend.texi (section): Update description.
7844
7845 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
7846
7847         PR middle-end/39345
7848         * tree-inline.c (remapped_type): New.
7849         (can_be_nonlocal): Call remapped_type instead of remap_type.
7850
7851 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
7852
7853         PR fortran/39354
7854         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
7855         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
7856
7857 2009-03-03  Richard Guenther  <rguenther@suse.de>
7858
7859         PR middle-end/39272
7860         * tree.c (tree_nonartificial_location): New function.
7861         * tree.h (tree_nonartificial_location): Declare.
7862         * builtins.c (expand_builtin_memory_chk): Provide location
7863         of the call location for artificial function pieces.
7864         (maybe_emit_chk_warning): Likewise.
7865         (maybe_emit_sprintf_chk_warning): Likewise.
7866         (maybe_emit_free_warning): Likewise.
7867         * expr.c (expand_expr_real_1): Likewise.
7868
7869 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
7870
7871         PR tree-optimization/39343
7872         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
7873         COMPONENT_REF t has ARRAY_TYPE.
7874
7875 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7876
7877         PR middle-end/39335
7878         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
7879         when the type precision of the induction variable should be
7880         larger than the type precision of nit.
7881         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
7882         * graphite.c (graphite_loop_normal_form): Same.
7883         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
7884
7885 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
7886
7887         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
7888         (*call_1_rex64_ms_sysv): Use named constants instead of magic
7889         numbers to describe clobbered registers.
7890         (*call_value_0_rex64_ms_sysv): Ditto.
7891         * config/i386/mmx.md (mmx_emms): Ditto.
7892         (mmx_femms): Ditto.
7893
7894 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
7895
7896         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
7897         of ABI_64.
7898
7899 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7900
7901         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
7902         (spu_section_type_flags): New function.
7903
7904 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
7905
7906         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
7907         reg_class_contents of FLOAT_REGS into a temporary.
7908
7909 2009-03-02  Richard Guenther  <rguenther@suse.de>
7910             Ira Rosen  <irar@il.ibm.com>
7911
7912         PR tree-optimization/39318
7913         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
7914         information to the vectorized statement.
7915
7916 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
7917
7918         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
7919         variable.  Use defined names instead of magic constants for REX SSE
7920         registers.
7921
7922 2009-03-01  Richard Guenther  <rguenther@suse.de>
7923
7924         PR tree-optimization/39331
7925         * omp-low.c (lower_send_shared_vars): Do not receive new
7926         values for the reference of DECL_BY_REFERENCE parms or results.
7927
7928 2009-03-01  Jan Hubicka  <jh@suse.cz>
7929
7930         PR debug/39267
7931         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
7932         BLOCK_NONLOCALIZED_VAR): New macros.
7933         (tree_block): Add nonlocalized_vars.
7934         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
7935         gen_decl_die): Add origin argument.  Allow generation of die with
7936         origin at hand only.
7937         (gen_member_die, gen_type_die_with_usage, force_decl_die,
7938         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
7939         of gen_*.
7940         (gen_block_die): Fix checking for unused blocks.
7941         (process_scope_var): Break out from .... ; work with origins only.
7942         (decls_for_scope) ... here; process nonlocalized list.
7943         (dwarf2out_ignore_block): Look for nonlocalized vars.
7944         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
7945         vars.
7946         (dump_scope_block): Dump them.
7947         * tree-inline.c (remap_decls): Handle nonlocalized vars.
7948         (remap_block): Likewise.
7949         (can_be_nonlocal): New predicate.
7950         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
7951
7952 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7953
7954         * configure: Regenerate.
7955
7956 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7957
7958         * optc-gen.awk: No need to duplicate option flags twice.
7959         Reuse help texts for duplicate options which do not have any.
7960
7961         * gcc.c (display_help): Document --version.
7962
7963         * gcc.c (main): If print_help_list and verbose_flag, ensure
7964         driver output comes before subprocess output.
7965
7966         * optc-gen.awk: Assign all remaining fields to help string,
7967         space-separated, for multi-line help in *.opt.
7968
7969         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
7970         -Wno-pedantic-ms-format is for MinGW targets only.
7971
7972         * doc/options.texi (Option file format): Fix bad indentation,
7973         restoring dropped sentence.
7974
7975 2009-02-28  Jan Hubicka  <jh@suse.cz>
7976
7977         * tree-inline.c (tree_function_versioning): Output debug info.
7978
7979 2009-02-28  Jan Hubicka  <jh@suse.cz>
7980
7981         PR debug/39267
7982         * tree-inline.c (setup_one_parameter): Do not copy propagate
7983         arguments when not optimizing.
7984
7985 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
7986
7987         PR target/39327
7988         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7989         (avx_addsubv4df3): Likewise.
7990         (*avx_addsubv4sf3): Likewise.
7991         (sse3_addsubv4sf3): Likewise.
7992         (*avx_addsubv2df3): Likewise.
7993         (sse3_addsubv2df3): Likewise.
7994         (avx_unpckhps256): Correct item selectors.
7995         (avx_unpcklps256): Likewise.
7996         (avx_unpckhpd256): Likewise.
7997         (avx_unpcklpd256): Likewise.
7998
7999 2009-02-28  Jan Hubicka  <jh@suse.cz>
8000
8001         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8002         static vars.
8003         (copy_arguments_for_versioning): If var is declared don't declare it.
8004         (tree_function_versioning): First setup substitutions and then copy
8005         args.
8006
8007 2009-02-27  Jan Hubicka  <jh@suse.cz>
8008
8009         PR debug/39267
8010         * cgraph.h (varpool_output_debug_info): Remove.
8011         * cgraphunit.c (varpool_output_debug_info): Remove.
8012         * dwarf2out.c (deferred_locations_struct): New struct
8013         (deferred_locations): New type.
8014         (deferred_locations_list): New static var.
8015         (deffer_location): New function.
8016         (gen_variable_die): Use it.
8017         (decls_for_scope): Output info on local static vars.
8018         (dwarf2out_finish): Process deferred locations.
8019         * varpool.c (varpool_output_debug_info): Remove.
8020
8021 2009-02-27  Jan Hubicka  <jh@suse.cz>
8022
8023         PR debug/39267
8024         * tree.h (TREE_PROTECTED): Fix comment.
8025         (BLOCK_HANDLER_BLOCK): Remove.
8026         (struct tree_block): Remove handler_block add body_block.
8027         (inlined_function_outer_scope_p): New.
8028         (is_body_block): Remove.
8029         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8030         * dwarf2out.c (is_inlined_entry_point): Remove.
8031         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8032         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8033         code.
8034         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8035         * gimplify.c (gimplify_expr): Gimplify body blocks.
8036         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8037         block with multiple subblocks.
8038         (dump_scope_block): Prettier output; dump more flags and info.
8039         (dump_scope_blocks): New.
8040         (remove_unused_locals): Use dump_scope_blocks.
8041         * tree-flow.h (dump_scope_blocks): Declare.
8042         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8043         * stmt.c (is_body_block): Remove.
8044         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8045         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8046
8047 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8048
8049         PR middle-end/39308
8050         * graphite.c (graphite_loop_normal_form): Do not call
8051         number_of_iterations_exit from a gcc_assert.
8052
8053 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8054
8055         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8056         jumps if COND is NULL.
8057         (find_cond_jump): New function.
8058         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8059         * config/s390/s390.md: Remove z10_cobra attribute value.
8060
8061 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8062
8063         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8064         force_const_mem returns NULL_RTX.
8065
8066 2009-02-26  Jan Hubicka  <jh@suse.cz>
8067
8068         PR debug/39267
8069         * cgraph.h (varpool_output_debug_info): Remove.
8070         * cgraphunit.c (varpool_output_debug_info): Remove.
8071         * dwarf2out.c (deferred_locations_struct): New struct
8072         (deferred_locations): New type.
8073         (deferred_locations_list): New static var.
8074         (deffer_location): New function.
8075         (gen_variable_die): Use it.
8076         (decls_for_scope): Output info on local static vars.
8077         (dwarf2out_finish): Process deferred locations.
8078         * varpool.c (varpool_output_debug_info): Remove.
8079
8080 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8081
8082         PR rtl-optimization/39241
8083         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8084         to subreg_offset_representable_p.
8085
8086 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8087
8088         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8089         execute function prototype.  Get f and nregs from max_reg_num
8090         and get_insns.  Remove the first backward pass as it's dead,
8091         guard the forward pass by flag_expensive_optimizations.
8092         (rest_of_handle_regmove): Delete.
8093         (pass_regmove): Replace it with regmove_optimize.
8094
8095 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8096
8097         PR tree-optimization/39259
8098         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8099         calls_alloca function flags.
8100         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8101         calls are detected.
8102
8103 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8104
8105         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8106         flags_set_1_rtx, flags_set_1_set): Delete.
8107         (regmove_optimize): Do not call mark_flags_life_zones.
8108
8109 2009-02-24  Julian Brown  <julian@codesourcery.com>
8110
8111         PR target/35965
8112         * config/arm/arm.c (require_pic_register): Only set
8113         cfun->machine->pic_reg once per function.
8114
8115 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8116
8117         * doc/invoke.texi (Link Options): Document an easier way to pass
8118         options that take arguments to the GNU linker using -Xlinker and -Wl.
8119
8120 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8121
8122         PR target/33785
8123         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8124
8125 2009-02-24  Richard Guenther  <rguenther@suse.de>
8126
8127         PR debug/39285
8128         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8129
8130 2009-02-24  Richard Guenther  <rguenther@suse.de>
8131             Zdenek Dvorak  <ook@ucw.cz>
8132
8133         PR tree-optimization/39233
8134         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8135         from converting them to a generic type.
8136
8137 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8138
8139         PR tree-optimization/39260
8140         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8141         contains a condition with a real type.
8142         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8143
8144 2009-02-23  Jason Merrill  <jason@redhat.com>
8145
8146         PR c++/38880
8147         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8148         narrowing_initializer_constant_valid_p.
8149         (narrowing_initializer_constant_valid_p): Don't return
8150         null_pointer_node for adding a pointer to itself.
8151
8152 2009-02-23  Jan Hubicka  <jh@suse.cz>
8153
8154         PR c/12245
8155         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8156         resizing.
8157
8158 2009-02-23  Jan Hubicka  <jh@suse.cz>
8159
8160         PR tree-optimization/37709
8161         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8162         * tree.h (block_ultimate_origin): Declare.
8163         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8164         * tree-ssa-live.c (remove_unused_scope_block_p):
8165         Eliminate blocks containig no instructions nor live variables nor
8166         nested blocks.
8167         (dump_scope_block): New function.
8168         (remove_unused_locals): Enable removal of dead blocks by default;
8169         enable dumping at TDF_DETAILS.
8170
8171 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8172
8173         * config/i386/i386.c (classify_argument): Don't allow COImode
8174         and OImode.
8175         (function_arg_advance_32): Don't allow OImode.
8176         (function_arg_32): Likewise.
8177         (function_value_32): Likewise.
8178         (return_in_memory_32): Likewise.
8179         (function_arg_64): Remove OImode comment.
8180
8181 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8182
8183         PR target/39261
8184         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8185         ix86_expand_vector_set for V4DImode in 64bit mode only.
8186         (ix86_expand_vector_init_one_var): Likewise.
8187
8188 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8189
8190         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8191
8192 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8193
8194         PR bootstrap/39257
8195         * loop-iv.c: Revert last change.
8196         * emit-rtl.c: Likewise.
8197
8198 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8199
8200         PR target/39256
8201         * config/i386/i386.c (type_natural_mode): Remove an extra
8202         space in the warning message.
8203         (function_value_32): Handle 32-byte vector modes.
8204         (return_in_memory_32): Likewise.
8205
8206 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8207
8208         * loop-iv.c (truncate_value): New function.
8209         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8210         of lowpart_subreg.
8211         (lowpart_subreg): Move to...
8212         * emit-rtl.c: ...here.
8213
8214 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8215
8216         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8217         accidental and undocumented change at revision 140860.
8218
8219 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8220
8221         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8222         take gimple_seq * arguments.
8223         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8224         types_compatible_p langhook.
8225
8226 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8227             Joseph Myers  <joseph@codesourcery.com>
8228
8229         * config/arm/arm.c (arm_builtin_va_list): New function.
8230         (arm_expand_builtin_va_start): Likewise.
8231         (arm_gimplify_va_arg_expr): Likewise.
8232         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8233         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8234         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8235         (va_list_type): New variable.
8236         (arm_mangle_type): Mangle va_list_type appropriately.
8237
8238 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8239
8240         PR middle-end/39157
8241         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8242         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8243         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8244         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8245         parameter to 1000 for -O1 by default.
8246         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8247         parameter.
8248         * loop-invariant.c: Include params.h.
8249         (move_loop_invariants): Don't call move_single_loop_invariants on
8250         very large loops.
8251
8252 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8253
8254         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8255         offset when calculating bounds for indexing stack_usage_map.  Fixes
8256         a buffer overflow with certain target setups.
8257
8258 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8259
8260         PR target/39240
8261         * calls.c (expand_call): Clear try_tail_call if caller and callee
8262         disagree in promotion of function return value.
8263
8264 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8265
8266         PR target/39175
8267         * c-common.c (c_determine_visibility): If visibility changed and
8268         DECL_RTL has been already set, call make_decl_rtl to update symbol
8269         flags.
8270
8271 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8272
8273         PR c++/39188
8274         * varasm.c (assemble_variable): Don't check DECL_NAME when
8275         globalizing a variable.
8276
8277 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8278
8279         PR c/38483
8280         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8281         expression before any __builtin_trap call.
8282         * c-typeck.c (build_function_call): Convert and check function
8283         arguments before generating a call to a trap.  Evaluate the
8284         function arguments before the trap.
8285
8286 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8287
8288         PR target/39228
8289         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8290         (UNSPEC_FXAM_MEM): New unspec.
8291         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8292         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8293         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8294
8295 2009-02-19  Richard Guenther  <rguenther@suse.de>
8296
8297         PR tree-optimization/39207
8298         PR tree-optimization/39074
8299         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8300         storedanything_tree): New.
8301         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8302         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8303         (build_succ_graph): Add edges from STOREDANYTHING to all
8304         non-direct nodes.
8305         (init_base_vars): Initialize STOREDANYTHING.
8306         (compute_points_to_sets): Free substitution info after
8307         building the succ graph.
8308         (ipa_pta_execute): Likewise.
8309
8310         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8311         field.
8312         (do_ds_constraint): Do not add to special var or non-pointer
8313         field solutions.
8314         (type_could_have_pointers): Split out from ...
8315         (could_have_pointers): ... here.  For arrays use the element type.
8316         (create_variable_info_for): Initialize may_have_pointers.
8317         (new_var_info): Likewise.
8318         (handle_lhs_call): Make the HEAP variable unknown-sized.
8319         (intra_create_variable_infos): Use a type with pointers for
8320         PARM_NOALIAS, make it unknown-sized.
8321
8322 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8323
8324         PR target/39224
8325         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8326
8327 2009-02-18  Jason Merrill  <jason@redhat.com>
8328
8329         PR target/39179
8330         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8331         value if DECL_EXTERNAL.
8332         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8333         * target.h (gcc_target::binds_local_p): Clarify "module".
8334         * tree.h (TREE_PUBLIC): Clarify "module".
8335
8336 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8337
8338         PR target/38891
8339         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8340         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8341
8342 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8343
8344         PR target/39082
8345         * c.opt (Wabi): Support C and ObjC.
8346         (Wpsabi): New.
8347
8348         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8349
8350         * config/i386/i386.c (classify_argument): Warn once about the ABI
8351         change when passing union with long double.
8352
8353         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8354
8355 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8356
8357         PR c/35447
8358         * c-parser.c (c_parser_compound_statement): Always enter and leave
8359         a scope.
8360
8361 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8362
8363         PR target/34587
8364         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8365
8366 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8367
8368         PR tree-optimization/36922
8369         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8370         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8371         Likewise.
8372
8373 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8374
8375         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8376         to 0 for EABI64.
8377
8378 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8379
8380         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8381
8382 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8383
8384         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8385         tree sharing.
8386
8387 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8388             Richard Sandiford  <rdsandiford@googlemail.com>
8389
8390         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8391         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8392         (loongson_biadd): ...this.
8393
8394 2009-02-17  Richard Guenther  <rguenther@suse.de>
8395
8396         PR tree-optimization/39202
8397         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8398         a var make sure to follow existing collapses.
8399
8400 2009-02-17  Richard Guenther  <rguenther@suse.de>
8401
8402         PR middle-end/39214
8403         * langhooks.c (lhd_print_error_function): Check for NULL block.
8404
8405 2009-02-17  Richard Guenther  <rguenther@suse.de>
8406
8407         PR tree-optimization/39204
8408         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8409         of the PHI arg.
8410
8411 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8412
8413         * config/soft-fp/double.h: Update from glibc CVS.
8414
8415 2009-02-17  Richard Guenther  <rguenther@suse.de>
8416
8417         PR tree-optimization/39207
8418         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8419         strict-aliasing warnings for pointers pointing to NULL.
8420
8421 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8422
8423         PR c/35446
8424         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8425         skipping until next close brace.
8426
8427 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8428
8429         PR target/37049
8430         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8431         to function argument boundary.
8432
8433 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8434
8435         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8436         in the lea_add. Reload eventually constraints it properly.
8437         * config/picochip/constraints.md: Remove the target constraint
8438         "b", since it is not needed anymore.
8439
8440 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8441
8442         * gthr-dce.h: Uglify function parameter and local variable names.
8443         * gthr-gnat.h: Likewise.
8444         * gthr-mipssde.h: Likewise.
8445         * gthr-nks.h: Likewise.
8446         * gthr-posix95.h: Likewise.
8447         * gthr-posix.h: Likewise.
8448         * gthr-rtems.h: Likewise.
8449         * gthr-single.h: Likewise.
8450         * gthr-solaris.h: Likewise.
8451         * gthr-tpf.h: Likewise.
8452         * gthr-vxworks.h: Likewise.
8453         * gthr-win32.h: Likewise.
8454
8455 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8456
8457         PR target/39196
8458         * config/i386/i386.md: Restrict the new peephole2 to move
8459         between MMX/SSE registers.
8460
8461 2009-02-15  Richard Guenther  <rguenther@suse.de>
8462
8463         Revert
8464         2009-02-13  Richard Guenther  <rguenther@suse.de>
8465
8466         * configure.ac: Enable LFS.
8467         * configure: Re-generate.
8468         * config.in: Likewise.
8469
8470 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8471
8472         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8473         spu_srqwbyte, spu_srqwbytebc): Define.
8474         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8475         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8476         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8477         "shrqby_<mode>"): New insn-and-split patterns.
8478         * config/spu/spu.c (expand_builtin_args): Determine and return
8479         number of operands using spu_builtin_description data.
8480         (spu_expand_builtin_1): Use it.
8481
8482 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8483
8484         PR target/38056
8485         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8486         TARGET_CONST_GP.
8487
8488 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8489
8490         PR target/39149
8491         * config/i386/i386.c (override_options): Correct warning
8492         messages for -malign-loops, -malign-jumps and -malign-functions.
8493
8494 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8495
8496         PR target/39152
8497         * config/i386/i386.md: Restrict the new peephole2 to move
8498         between the general purpose registers.
8499
8500 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8501
8502         PR target/39162
8503         * config/i386/i386.c (type_natural_mode): Add a new argument.
8504         Return the original mode and warn ABI change if vector size is 32byte.
8505         (function_arg_advance): Updated.
8506         (function_arg): Likewise.
8507         (ix86_function_value): Likewise.
8508         (ix86_return_in_memory): Likewise.
8509         (ix86_sol10_return_in_memory): Likewise.
8510         (ix86_gimplify_va_arg): Likewise.
8511         (function_arg_32): Don't warn ABX ABI change here.
8512         (function_arg_64): Likewise.
8513
8514 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8515
8516         * loop-iv.c (implies_p): In the final case, test that operands 0
8517         of the two comparisons match.
8518
8519         * config/bfin/bfin.c (find_prev_insn_start): New function.
8520         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8521         (find_next_insn_start): Move.
8522
8523 2009-02-13  Richard Guenther  <rguenther@suse.de>
8524
8525         * configure.ac: Enable LFS.
8526         * configure: Re-generate.
8527         * config.in: Likewise.
8528
8529 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8530
8531         PR c/35444
8532         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8533         sizes on syntax error after some arguments have been parsed.
8534
8535 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8536
8537         * doc/invoke.texi (-fira): Remove.
8538
8539 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8540
8541         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8542         * recog.c: Likewise.
8543         * rtl.h: Likewise.
8544
8545 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8546
8547         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8548         (umul_ppmm): Likewise.
8549         (count_leading_zeros): Likewise.
8550         (count_trailing_zeros): Likewise.
8551         (UMUL_TIME): Likewise.
8552
8553 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8554
8555         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8556         soft-fp/t-softfp to tmake_file.
8557
8558         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8559         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8560         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8561         IA64_BUILTIN_INFQ]: New.
8562         (ia64_init_builtins): Initialize __builtin_infq,
8563         __builtin_fabsq and __builtin_copysignq if not HPUX.
8564         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8565         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8566
8567         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8568         SHARED is defined.
8569         (__fixtfti): Likewise.
8570         (__fixunstfti): Likewise.
8571         (__floattitf): Likewise.
8572
8573         * config/ia64/libgcc-glibc.ver: New.
8574         * config/ia64/t-fprules-softfp: Likewise.
8575         * config/ia64/sfp-machine.h: Likewise.
8576
8577         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8578         (LIBGCC2_TF_CEXT): Likewise.
8579         (TF_SIZE): Likewise.
8580         (TARGET_INIT_LIBFUNCS): Likewise.
8581
8582         * config/ia64/t-glibc (SHLINB_MAPFILES):
8583         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8584
8585 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8586
8587         * config/i386/i386.c (construct_container): Rewrite processing
8588         BLKmode with X86_64_SSE_CLASS.
8589
8590 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
8591
8592         PR target/39152
8593         * config/i386/i386.md: Replace simplify_replace_rtx with
8594         replace_rtx in the new peephole2.
8595
8596 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
8597
8598         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
8599         loop unrolling do not happen at -O2.
8600
8601 2009-02-12  Michael Matz  <matz@suse.de>
8602
8603         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
8604
8605 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8606
8607         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
8608         for -g3.
8609
8610 2009-02-12  Ben Elliston  <bje@au.ibm.com>
8611
8612         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
8613         patterns when updating the back chain.  Missed in the 2009-02-10
8614         change.
8615
8616 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
8617
8618         * doc/extend.texi (Decimal Floating Types): Update identifier of
8619         draft TR and list of missing support.
8620
8621 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
8622
8623         PR middle-end/39154
8624         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
8625         bit to variable length decl's flags, add it also to its
8626         pointer replacement variable.
8627
8628 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
8629             Jakub Jelinek  <jakub@redhat.com>
8630
8631         PR target/39118
8632         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
8633         (memory_blockage): New expander.
8634         (*memory_blockage): New insn pattern.
8635         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
8636         instead of general blockage at the end of function prologue when
8637         frame pointer is used to access red zone area.  Do not emit blockage
8638         when profiling, it is emitted in generic code.
8639         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
8640         function epilogue when frame pointer is used to access red zone area.
8641
8642 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
8643
8644         PR target/38824
8645         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
8646         by arithmetic with memory operands.
8647         * config/i386/predicates.md (commutative_operator): New.
8648
8649 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
8650
8651         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
8652         bulleted lists.
8653
8654 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8655
8656         * alias.h (record_alias_subset): Declare.
8657         * alias.c (record_alias_subset): Make global.
8658
8659 2009-02-10  Nick Clifton  <nickc@redhat.com>
8660
8661         * tree-parloops.c: Change license to GPLv3.
8662         * ipa-struct-reorg.c: Change license to GPLv3.
8663         * ipa-struct-reorg.h: Change license to GPLv3.
8664
8665 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
8666
8667         PR c/39084
8668         * c-decl.c (start_struct): Return NULL on error.
8669
8670 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
8671
8672         PR middle-end/39124
8673         * cfgloopmanip.c (remove_path): Call remove_bbs after
8674         cancel_loop_tree, not before it.
8675
8676         PR target/39139
8677         * function.h (struct function): Add has_local_explicit_reg_vars bit.
8678         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
8679         VAR_DECLs were seen.
8680         * tree-ssa-live.c (remove_unused_locals): Recompute
8681         cfun->has_local_explicit_reg_vars.
8682         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
8683         copies or clearings if cfun->has_local_explicit_reg_vars.
8684
8685 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
8686
8687         PR target/39118
8688         * config/i386/i386.c (expand_prologue): Emit blockage at the end
8689         of function prologue when frame pointer is used to access
8690         red zone area.
8691
8692 2009-02-10  Richard Guenther  <rguenther@suse.de>
8693
8694         PR middle-end/39127
8695         * gimplify.c (gimple_regimplify_operands): Always look if
8696         we need to create a temporary.
8697
8698 2009-02-10  Richard Guenther  <rguenther@suse.de>
8699
8700         PR tree-optimization/39132
8701         * tree-loop-distribution.c (todo): New global var.
8702         (generate_memset_zero): Trigger TODO_rebuild_alias.
8703         (tree_loop_distribution): Return todo.
8704
8705 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8706
8707         PR target/39119
8708         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
8709         (x86_64_reg_class_name): Removed.
8710         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
8711         first one isn't X86_64_SSE_CLASS or any other ones aren't
8712         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
8713         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
8714         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
8715         and 3 X86_64_SSEUP_CLASS.
8716         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
8717         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
8718
8719 2009-02-10  Ben Elliston  <bje@au.ibm.com>
8720
8721         * config/rs6000/rs6000.md (allocate_stack): Always use an update
8722         form instruction to update the stack back chain word, even if the
8723         user has disabled the generation of update instructions.
8724         (movdi_<mode>_update_stack): New.
8725         (movsi_update_stack): Likewise.
8726         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
8727         always use an update form instruction to update the stack back
8728         chain word.
8729
8730 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
8731
8732         PR middle-end/38953
8733         * graphite.c (if_region_set_false_region): After moving a region in
8734         the false branch of a condition, remove the empty dummy basic block.
8735         (gloog): Remove wrong fix for PR38953.
8736
8737 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8738
8739         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
8740         generation due to implicit sign extension.
8741
8742 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
8743
8744         PR middle-end/38981
8745         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
8746         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
8747
8748 2009-02-09  Richard Guenther  <rguenther@suse.de>
8749
8750         PR middle-end/35202
8751         * convert.c (convert_to_real): Disable (float)fn((double)x)
8752         to fnf(x) conversion if errno differences may occur and
8753         -fmath-errno is set.
8754
8755 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
8756
8757         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
8758         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8759         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8760
8761 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
8762
8763         PR c/35434
8764         * c-common.c (handle_alias_attribute): Disallow attribute for
8765         anything not a FUNCTION_DECL or VAR_DECL.
8766
8767 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
8768
8769         PR c/39035
8770         * real.c (do_compare): Special-case compare of zero against
8771         decimal float value.
8772
8773 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
8774
8775         PR c/36432
8776         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
8777         as indicating flexible array members unless the field itself is
8778         being declarared as the incomplete array.
8779
8780 2009-02-06  Jan Hubicka  <jh@suse.cz>
8781
8782         PR tree-optimization/38844
8783         * ipa-inline.c (try_inline): Stop inlining recursion when edge
8784         is already inlined.
8785
8786 2009-02-06  Richard Guenther  <rguenther@suse.de>
8787
8788         PR middle-end/38977
8789         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
8790         fork because we may expand it as __gcov_fork.
8791
8792 2009-02-06  Nick Clifton  <nickc@redhat.com>
8793
8794         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
8795
8796 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
8797
8798         PR tree-optimization/35659
8799         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
8800         vn_phi_eq): Shortcut if hashcode does not match.
8801         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
8802         NULL operands.
8803         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
8804         and avoid iterative_hash_expr.
8805         (FOR_EACH_VALUE_ID_IN_SET): New.
8806         (value_id_compare): Remove.
8807         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
8808         sort expressions by value id.
8809
8810 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
8811
8812         PR target/38991
8813         * config/sh/predicates.md (general_movsrc_operand): Don't check
8814         the subreg of system registers here.
8815
8816 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
8817
8818         PR c++/39106
8819         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
8820         on the copied decl.
8821
8822 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
8823
8824         PR rtl-optimization/39110
8825         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
8826         addresses, not aligned ones.
8827
8828 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
8829             Richard Guenther  <rguenther@suse.de>
8830
8831         PR tree-optimization/39100
8832         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
8833         comment says and add edges.
8834
8835 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
8836
8837         PR c/35435
8838         * c-common.c (handle_tls_model_attribute): Ignore attribute for
8839         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
8840
8841 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8842
8843         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
8844         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
8845         register_bb_in_sese, new_sese, free_sese): Moved.
8846         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
8847         outermost_loop_in_scop, build_scop_iteration_domain,
8848         expand_scalar_variables_ssa_name, get_vdef_before_scop,
8849         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
8850         Use loop_in_sese_p instead of loop_in_scop_p.
8851         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
8852         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
8853         (scopdet_basic_block_info): Fix bug in scop detection.
8854         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8855         eq_loop_to_cloog_loop): Remove.
8856         (nb_loops_around_loop_in_scop, nb_loop
8857         ref_nb_loops): Moved here...
8858         * graphite.h (ref_nb_loops): ... from here.
8859         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
8860         (loop_domain_dim, loop_iteration_vector_dim): Remove.
8861         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
8862         * testsuite/gcc.dg/graphite/scop-19.c: New
8863
8864 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
8865             Hans-Peter Nilsson  <hp@axis.com>
8866
8867         PR rtl-optimization/37889
8868         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
8869         Move offset handling from PLUS to before the switch.  Use new
8870         arguments when considering SYMBOL_REFs too.
8871         (rtx_addr_can_trap_p): Pass dummy offset and size.
8872         (enum may_trap_p_flags): Remove.
8873         (may_trap_p_1): Pass size from MEM_SIZE.
8874
8875         PR rtl-optimization/38921
8876         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
8877         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
8878         * rtlanal.c (may_trap_after_code_motion_p): Delete.
8879         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
8880
8881 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
8882
8883         AVX Programming Reference (January, 2009)
8884         * config/i386/sse.md (*vpclmulqdq): New.
8885
8886 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
8887
8888         PR tree-optimization/38977
8889         PR gcov-profile/38292
8890         * calls.c (special_function_p): Disregard __builtin_ prefix.
8891
8892 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
8893
8894         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
8895         non-indexable addresses even before reload.
8896
8897 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
8898
8899         PR c/29129
8900         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
8901         as having variable size.  Do not give an error for unnamed
8902         parameters with [*] declarators.  Give a warning for type names
8903         with [*] declarators and mark them as variable size.
8904         * c-parser.c (c_parser_sizeof_expression): Do not give an error
8905         for sizeof applied to [*] type names.
8906
8907 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8908
8909         PR C++/36607
8910         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
8911
8912 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
8913
8914         * gcc.c (process_command): Update copyright notice dates.
8915         * gcov.c (print_version): Likewise.
8916         * gcov-dump.c (print_version): Likewise.
8917         * mips-tfile.c (main): Likewise.
8918         * mips-tdump.c (main): Likewise.
8919
8920 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
8921
8922         PR c/35433
8923         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
8924         for composite type involving a zero-length array type.
8925
8926 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
8927
8928         PR target/35318
8929         * function.c (match_asm_constraints_1): Skip over
8930         initial optional % in the constraint.
8931
8932         PR inline-asm/39059
8933         * c-parser.c (c_parser_postfix_expression): If fixed point is not
8934         supported, don't accept FIXED_CSTs.
8935         * c-decl.c (finish_declspecs): Error if fixed point is not supported
8936         and _Sat is used without _Fract/_Accum.  Set specs->type to
8937         integer_type_node for cts_fract/cts_accum if fixed point is not
8938         supported.
8939
8940 2009-02-02  Catherine Moore  <clm@codesourcery.com>
8941
8942         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
8943
8944 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
8945
8946         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
8947         (ABI_HAS_64BIT_SYMBOLS): Use it.
8948         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
8949
8950 2009-02-02  Paul Brook  <paul@codesourcery.com>
8951
8952         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
8953
8954 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
8955
8956         PR inline-asm/39058
8957         * recog.h (asm_operand_ok): Add constraints argument.
8958         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
8959         recurse on matching constraint.
8960         (check_asm_operands): Pass constraints as 3rd argument to
8961         asm_operand_ok.  Don't look up matching constraint here.
8962         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
8963         to asm_operand_ok.
8964
8965 2009-02-02  Ben Elliston  <bje@au.ibm.com>
8966
8967         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
8968         TARGET_NARROW_VOLATILE_BITFIELD macro names.
8969
8970 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8971
8972         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
8973         information.  Remove some obsolete information.  Reorganize.
8974
8975         * config/pa/fptr.c: Revert license to GPL 2.
8976         * config/pa/milli64.S: Likewise.
8977
8978 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
8979
8980         PR target/38904
8981         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
8982         LIBRARY name in, instead of hard-coding it.
8983         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
8984         extra target make frag to tmake_files according to EH model.
8985         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
8986         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
8987         frags that define makefile variable EH_MODEL appropriately.
8988         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
8989         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
8990         to "-sjlj" according to type of EH configured.
8991         (LIBGCC_SONAME):  Concatenate it to shared library base name.
8992         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
8993         to "_sjlj" according to type of EH configured.
8994         (LIBGCC_SONAME):  Concatenate it to shared library base name.
8995         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
8996         (SHLIB_LINK):  Add missing semicolon to if-else construct.
8997         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
8998         string value of "pe_dll" command-line option.
8999         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9000         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9001         (SHLIB_IMPLIB):  Override t-cygming default.
9002         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9003         string value of "pe_dll" command-line option.
9004
9005 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9006
9007         PR target/38952
9008         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9009         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9010
9011 2009-01-31  Richard Guenther  <rguenther@suse.de>
9012
9013         PR tree-optimization/38937
9014         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9015         computing the transitive closure.
9016
9017 2009-01-30  Richard Guenther  <rguenther@suse.de>
9018
9019         PR tree-optimization/39041
9020         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9021         Propagate variable indices only if the types match for this stmt.
9022
9023 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9024
9025         PR target/39013
9026         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9027         inline but never defined.
9028
9029 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9030
9031         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9032         (*insv_h_di_reg_extimm): New insn.
9033         (*insv_l<mode>_reg_extimm): New insn.
9034
9035 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9036
9037         * config/picochip/picochip.c (flag_conserve_stack): set
9038         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9039         fconserve-stack. Reduce call-overhead used by inliner.
9040
9041 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9042
9043         PR/38157
9044         * common.opt (flag_conserve_stack): Initialised to zero.
9045
9046 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9047
9048         PR/39002
9049         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9050         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9051         method.
9052
9053 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9054
9055         * ira-color.c (allocno_reload_assign): Update comments.
9056         * regmove.c (regmove_optimize): Likewise.
9057
9058         * ra.h: Removed.
9059
9060 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9061
9062         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9063         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9064         `MD_UNWIND_SUPPORT'.
9065         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9066
9067 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9068
9069         PR tree-optimization/39007
9070         * tree-loop-distribution.c (generate_builtin): Use
9071         recompute_dominator to compute the immediate dominator of the
9072         basic block just after the loop.
9073
9074 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9075
9076         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9077         (ASM_OUTPUT_DWARF_PCREL): Define.
9078
9079 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9080
9081         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9082         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9083         global.  Modify entries about regmove and IRA.
9084
9085         * ra-conflict.c: Remove the file.
9086
9087         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9088
9089         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9090         (pass_regclass_init): Rename to pass_reginfo_init.
9091
9092         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9093
9094         * toplev.h (flag_ira): Remove.
9095
9096         * caller-save.c (setup_save_areas): Remove flag_ira.
9097
9098         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9099
9100         * global.c: Remove the file.
9101
9102         * opts.c (decode_options): Remove flag_ira.
9103
9104         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9105
9106         * regmove.c: Modify file description.
9107         (find_use_as_address, try_auto_increment): Define them only if
9108         AUTO_INC_DEC is defined.
9109         (replacement_quality, replace_in_call_usage, fixup_match_1,
9110         stable_and_no_regs_but_for_p): Remove.
9111         (reg_set_in_bb): Make it static.
9112         (regmove_optimize): Remove flag_ira and code which worked for
9113         !flag_ira.
9114
9115         * local-alloc.c: Remove the file.
9116
9117         * common.opt (fira): Remove.
9118
9119         * ira.c: Include except.h.
9120         (eliminable_regset): Move from global.c.
9121         (mark_elimination): Ditto.  Remove flag_ira.
9122         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9123         equiv_mem_modified, validate_equiv_mem_from_store,
9124         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9125         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9126         no_equiv, recorded_label_ref): Move from local-alloc.c.
9127         (update_equiv_regs): Ditto.  Make it static.
9128         (print_insn_chain, print_insn_chains): Move it from global.c.
9129         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9130         (build_insn_chain): Ditto.  Make it static.
9131         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9132         Rename to init_live_subregs.
9133         (gate_ira): Remove flag_ira.
9134
9135         * regclass.c: Rename reginfo.c.  Change file description.
9136         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9137         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9138         (init_reg_sets_1): Remove code for evaluation of
9139         reg_class_superclasses and losing_caller_save_reg_set.
9140         (init_regs): Remove init_reg_autoinc.
9141         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9142         ok_for_base_p_nonstrict): Remove.
9143         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9144         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9145         corresponding entries.
9146         (dump_regclass, record_operand_costs, scan_one_insn,
9147         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9148         record_address_regs, auto_inc_dec_reg_p): Remove.
9149         (gt-regclass.h): Rename to gt-reginfo.h.
9150
9151         * rtl.h (dump_global_regs, retry_global_alloc,
9152         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9153
9154         * Makefile.in (RA_H): Remove.
9155         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9156         Rename regclass.o to reginfo.o.
9157         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9158         gt-reginfo.h.
9159         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9160         (GTFILES): Rename regclass.c to reginfo.c.
9161
9162         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9163         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9164
9165         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9166         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9167         Remove flag_ira.
9168         (finish_spills): Ditto.  Remove code for !flag_ira.
9169
9170 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9171
9172         PR middle-end/35854
9173         * doc/invoke.texi (rtl debug options): Complete rewrite.
9174         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9175         to auto_inc_dec".
9176         * mode-switching.c (pass_mode_switching): Rename pass from
9177         "mode-sw" to "mode_sw".
9178         * except.c (pass_convert_to_eh_ranges): Rename pass from
9179         "eh-ranges" to "eh_ranges".
9180         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9181         to "subreg1".
9182
9183
9184 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9185             Alexander Monakov  <amonakov@ispras.ru>
9186
9187         PR middle-end/38857
9188         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9189         register.
9190         (move_exprs_to_boundary): Change return type and pass through
9191         should_move from move_op.  Relax assert.  Update usage ...
9192         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9193         cant_move.
9194         (move_op_orig_expr_found): Indicate that insn was disconnected from
9195         stream.
9196         (code_motion_process_successors): Do not call after_merge_succs
9197         callback if original expression was not found when traversing any of
9198         the branches.
9199         (code_motion_path_driver): Change return type.  Update prototype.
9200         (move_op): Update comment.  Add a new parameter (should_move).  Update
9201         prototype.  Set *should_move based on indication provided by
9202         move_op_orig_expr_found.
9203
9204 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9205
9206         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9207         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9208         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9209         * config/rs6000/rs6000.c (rs6000_override_options): Default
9210         avoid-indexed-addresses on for Power6, off for everything else.
9211         (avoiding_indexed_address_p): New function.
9212         (rs6000_legitimize_address): Use it.
9213         (rs6000_legitimate_address): Likewise.
9214         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9215
9216 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9217
9218         PR tree-optimization/38997
9219         * tree-loop-distribution.c (generate_memset_zero): Use
9220         POINTER_PLUS_EXPR for a pointer addition.
9221
9222 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9223
9224         * config/s390/s390.md (bswap<mode>2): New pattern added.
9225
9226 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9227
9228         * config/s390/s390.md (*tls_load_31): Added type attribute.
9229
9230 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9231
9232         * config/s390/s390.md: Fix a few comments.
9233
9234 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9235
9236         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9237         (*tm<mode>_full): Fixed z10prop attribute.
9238         (*tst<mode>_extimm): Fixed z10prop attribute.
9239         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9240         (*tstqiCCT_cconly): Fixed z10prop attribute.
9241         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9242         (*movsi_larl): Fixed z10prop attribute.
9243         (*movsi_zarch): Fixed z10prop attribute.
9244         (*movsi_eas): Fixed z10prop attribute.
9245         (*movhi): Fixed z10prop attribute.
9246         (*movqi): Fixed z10prop attribute.
9247         (*movstrictqi): Fixed z10prop attribute.
9248         (*mov<mode>): Fixed z10prop attribute.
9249         (*movcc): Fixed z10prop attribute.
9250         (*sethighpartdi_64): Fixed z10prop attribute.
9251         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9252         (*negdi2_sign_cc): Fixed z10prop attribute.
9253         (*negdi2_sign): Fixed z10prop attribute.
9254         (*absdi2_sign_cc): Fixed z10prop attribute.
9255         (*absdi2_sign): Fixed z10prop attribute.
9256         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9257         (*negabsdi2_sign): Fixed z10prop attribute.
9258         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9259         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9260         (doloop_si64): Fixed z10prop attribute.
9261         (doloop_si31): Fixed z10prop attribute.
9262         (doloop_long): Fixed z10prop attribute.
9263         (indirect_jump): Fixed z10prop attribute.
9264         (nop): Fixed z10prop attribute.
9265         (main_base_64): Fixed z10prop attribute.
9266         (reload_base_64): Fixed z10prop attribute.
9267
9268 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9269
9270         PR rtl-optimization/38740
9271         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9272         if !optimize.
9273         * config/mips/mips.c (mips_reorg): Likewise.
9274
9275 2009-01-28  Richard Guenther  <rguenther@suse.de>
9276
9277         PR tree-optimization/38926
9278         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9279         with the correct value id to a value.
9280         (do_regular_insertion): Use the value number of edoubleprime
9281         for the value number of the expr.
9282
9283         Revert
9284         2008-08-21  Richard Guenther  <rguenther@suse.de>
9285
9286         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9287         a PHI ask VN if it is already available.
9288         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9289         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9290
9291 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9292
9293         PR middle-end/38934
9294         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9295         set to varying whenever max has TREE_OVERFLOW set, similarly
9296         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9297
9298 2009-01-28  Richard Guenther  <rguenther@suse.de>
9299
9300         PR middle-end/38908
9301         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9302         uninitialized aggregate uses in call arguments.
9303
9304 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9305
9306         PR tree-optimization/38984
9307         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9308         the nothing_id variable if -fno-delete-null-pointer-checks.
9309
9310 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9311
9312         PR target/38988
9313         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9314         (set_got_offset_rex64): Ditto.
9315
9316 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9317
9318         PR target/38941
9319         * doc/extend.texi: Improve local variable with asm reg.
9320
9321 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9322
9323         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9324         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9325         was not supplied then set warn_packed_bitfield_compat to the
9326         default value of 1.
9327         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9328         against 1.
9329
9330 2009-01-27  Richard Guenther  <rguenther@suse.de>
9331
9332         PR tree-optimization/38503
9333         * cfgexpand.c (expand_gimple_basic_block): Ignore
9334         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9335         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9336         variables that cannot have TBAA applied.
9337         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9338         statements.
9339
9340 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9341
9342         PR middle-end/38969
9343         * calls.c (initialize_argument_information): Do not wrap complex
9344         arguments in SAVE_EXPR.
9345
9346 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9347
9348         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9349         (INSTALL_LIBGCC): Revert typo commit.
9350
9351 2009-01-26  Richard Guenther  <rguenther@suse.de>
9352
9353         PR tree-optimization/38745
9354         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9355         from special handling.
9356
9357 2009-01-26  Richard Guenther  <rguenther@suse.de>
9358
9359         PR tree-optimization/38745
9360         * tree-ssa.c (execute_update_addresses_taken): Do not include
9361         variables that cannot possibly be a register in not_reg_needs.
9362         Do not clear TREE_ADDRESSABLE on vars that may not become
9363         registers.
9364         * tree-ssa.c (update_alias_info_1): Include those in the set
9365         of addressable vars.
9366
9367 2009-01-26  Richard Guenther  <rguenther@suse.de>
9368
9369         PR middle-end/38851
9370         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9371         * tree-ssa-dse.c: Include langhooks.h
9372         (execute_simple_dse): Remove stores with zero size.
9373
9374 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9375
9376         PR c/38957
9377         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9378         as PLUS_EXPR.
9379
9380 2009-01-24  Julian Brown  <julian@codesourcery.com>
9381
9382         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9383         config/arm/linux-atomic.c.
9384         * config/arm/linux-atomic.c: New.
9385
9386 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9387
9388         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9389         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9390         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9391
9392 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9393
9394         PR c/38938
9395         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9396         properly.
9397
9398 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9399
9400         PR tree-optimization/38953
9401         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9402         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9403         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9404         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9405         changed the CFG.
9406
9407 2009-01-24  Paul Brook  <paul@codesourcery.com>
9408
9409         * config/arm/neon.md (neon_type): Move to arm.md.
9410         (neon_mov<VSTRUCT>): Add neon_type attribute.
9411         * config/arm/arm.md (neon_type): Move to here.
9412         (conds): Add "unconditioal" and use as default for NEON insns.
9413
9414 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9415
9416         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9417         void *' warning from -Wc++-compat.
9418         * Makefile.in (dominance.o-warn): Remove.
9419
9420 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9421
9422         PR tree-optimization/38932
9423         * fold-const.c (fold_unary_ignore_overflow): New.
9424         * tree.h (fold_unary_ignore_overflow): Declare.
9425         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9426         * tree-ssa-sccvn.c (visit_reference_op_load,
9427         simplify_unary_expression): Likewise.
9428
9429 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9430
9431         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9432         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9433         regardless of their type.
9434         * c-common.c (handle_packed_attribute): Don't ignore packed on
9435         bitfields.
9436         * c.opt (Wpacked-bitfield-compat): New warning option.
9437         * stor-layout.c (place_field): Warn if offset of a field changed.
9438         * doc/extend.texi (packed): Mention the ABI change.
9439         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9440         (Warning Options): Add it to the list.
9441
9442 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9443
9444         * c-opts.c (c_common_post_options): Fix a typo in comments.
9445
9446 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9447
9448         PR middle-end/38615
9449         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9450         variables to static.
9451         * doc/invoke.texi (-fmerge-all-constants): Update description.
9452
9453 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9454
9455         PR target/38931
9456         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9457         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9458
9459 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9460
9461         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9462         a word boundary.
9463         (LOCAL_ALIGNMENT): Similarly.
9464
9465 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9466             Joseph Myers  <joseph@codesourcery.com>
9467
9468         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9469         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9470         * config/arm/arm-tune.md: Regenerate.
9471         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9472         -march=iwmmxt2.
9473
9474 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9475
9476         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9477         version number to five.
9478
9479 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9480
9481         PR c++/38930
9482         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9483         * c-common.c (set_underlying_type): Likewise.
9484         (is_typedef_decl ): Likewise
9485         * tree.h: Likewise
9486         (set_underlying_type): Likewise.
9487         (is_typedef_type): Likewise.
9488
9489 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9490
9491         PR middle-end/38587
9492         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9493         crossing setjmps.
9494
9495 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9496
9497         PR bootstrap/37660
9498         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9499         (LIBGCC_SPEC):  Don't define.
9500         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9501
9502 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9503
9504         PR rtl-optimization/38879
9505         * alias.c (base_alias_check): Unaligned access via AND address can
9506         alias all surrounding object types except those with sizes equal
9507         or wider than the size of unaligned access.
9508
9509 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9510
9511         PR c++/26693
9512         * c-decl.c (clone_underlying_type): Move this ...
9513         * c-common.c (set_underlying_type): ... here.
9514         Also, make sure the function properly sets TYPE_STUB_DECL() on
9515         the newly created typedef variant type.
9516         (is_typedef_decl ): New entry point.
9517         * tree.h: Added a new member member_types_needing_access_check to
9518         struct tree_decl_non_common.
9519         (set_underlying_type): New entry point.
9520         (is_typedef_type): Likewise.
9521
9522 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9523
9524         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9525         Check whether two instructions have memory references that
9526         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9527         are helper functions for traversing.
9528         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9529         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9530         not to draw dependency edge for instructions with non-conflicting
9531         alias sets.
9532
9533 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9534
9535         PR other/38758
9536         * longlong.h: Update copyright years.  Use soft-fp license notice.
9537         Sync __clz_tab declaration with glibc.
9538
9539 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9540
9541         PR target/30687
9542         * doc/extend.texi (syscall_linkage): New.
9543         (version_id): Modify.
9544
9545 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9546             Richard Guenther  <rguenther@suse.de>
9547
9548         PR tree-optimization/38747
9549         PR tree-optimization/38748
9550         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9551         conversion if the base address is an indirect reference and the
9552         aliasing sets could cause issues.
9553
9554 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9555
9556         * common.opt (fgraphite, fgraphite-identity): Add comment for
9557         explaining why these options are not documented.
9558
9559 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9560
9561         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9562         gimple_call_lhs is NULL.
9563
9564 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9565
9566         PR target/38868
9567         * emit-rtl.c (adjust_address_1): Make sure memref is never
9568         overwritten.
9569
9570 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9571
9572         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9573         const qualifier from arg parameter. Remove unnecessary cast to char *.
9574         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9575         const qualifier from arg 2.
9576
9577 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9578
9579         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9580
9581 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9582
9583         PR c/38869
9584         * rtl.h (reinit_regs): New prototype.
9585         * regclass.c: Include ira.h.
9586         (reinit_regs): New.
9587         * Makefile.in (regclass.o): Add ira.h.
9588         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
9589
9590 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
9591
9592         PR target/38736
9593         * c-common.c (handle_aligned_attribute): Use
9594         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
9595         default alignment value.
9596
9597         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
9598
9599         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
9600         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
9601
9602         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
9603         __BIGGEST_ALIGNMENT__.
9604
9605         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
9606
9607 2009-01-18  Richard Guenther  <rguenther@suse.de>
9608
9609         PR tree-optimization/38819
9610         * tree-flow.h (operation_could_trap_helper_p): Declare.
9611         * tree-eh.c (operation_could_trap_helper_p): Export.
9612         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
9613         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
9614         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
9615         are about to insert a possibly trapping instruction and fail
9616         in this case.
9617
9618 2009-01-18  Andreas Schwab  <schwab@suse.de>
9619
9620         * doc/install.texi (Configuration): Remove obsolete paragraph
9621         about use of --with-gnu-ld with --with-gnu-as.
9622
9623 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
9624
9625         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
9626         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
9627         Follow spelling conventions.
9628
9629 2009-01-18  Ben Elliston  <bje@au.ibm.com>
9630
9631         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
9632         C++ warning about implicit conversion from void * to struct
9633         bitmap_head_def *.
9634         (bitmap_obstack_free): Likewise for bitmap_element *.
9635         * Makefile.in (bitmap.o-warn): Remove.
9636
9637 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
9638
9639         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
9640
9641 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
9642             Tobias Grosser  <tobi.grosser@amd.com>
9643
9644         * graphite.c (graphite_trans_scop_block): Do not block single
9645         nested loops.
9646
9647 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
9648
9649         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
9650         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
9651         test with assertion.
9652
9653 2009-01-16  Richard Guenther  <rguenther@suse.de>
9654
9655         PR tree-optimization/38835
9656         PR middle-end/36227
9657         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
9658         and INT + PTR -> (INT)(PTR p+ INT) folding.
9659         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
9660
9661 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
9662
9663         PR target/38554
9664         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
9665         the subreg from a lowpart subreg if it is also casting the value.
9666
9667 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9668             Tobias Grosser  <tobi.grosser@amd.com>
9669
9670         * graphite.c (compare_prefix_loops): New.
9671         (build_scop_canonical_schedules): Rewritten.
9672         (graphite_transform_loops): Move build_scop_canonical_schedules
9673         after build_scop_iteration_domain.
9674
9675 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9676             Tobias Grosser  <tobi.grosser@amd.com>
9677
9678         * graphite.c (add_conditions_to_domain): Add the loops to
9679         the dimension of the iteration domain.  Do copy the domain
9680         only when it exists.
9681         (build_scop_conditions_1): Do not call add_conditions_to_domain.
9682         (add_conditions_to_constraints): New.
9683         (can_generate_code_stmt, can_generate_code): Removed.
9684         (gloog): Do not call can_generate_code.
9685         (graphite_transform_loops): Call add_conditions_to_constraints
9686         after building the iteration domain.
9687
9688 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
9689
9690         PR tree-optimization/38789
9691         * tree-ssa-threadedge.c
9692         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
9693         __builtin_constant_p.
9694
9695 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
9696
9697         * dce.c (delete_unmarked_insns): Reversed the order that insns are
9698         examined before deleting them.
9699
9700 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
9701
9702         * function.c (aggregate_value_p): Correctly extract the function
9703         type from CALL_EXPR_FN lookup.
9704
9705 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9706
9707         * config/picochip/picochip.c (picochip_override_options): Revert
9708         CFI asm flag disable commited previously.
9709
9710 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9711             Tobias Grosser  <tobi.grosser@amd.com>
9712             Jan Sjodin  <jan.sjodin@amd.com>
9713
9714         * graphite.c (scan_tree_for_params): On substractions negate
9715         all the coefficients of the term.
9716         (clast_to_gcc_expression_red): New.  Handle reduction expressions
9717         of more than two operands.
9718         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
9719         (get_vdef_before_scop): Handle also the case of default definitions.
9720
9721 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
9722
9723         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
9724         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
9725         Also use them when walking CALL_INSN_FUNCTION_USAGE.
9726
9727 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
9728             Joey Ye  <joey.ye@intel.com>
9729
9730         PR middle-end/37843
9731         * cfgexpand.c (expand_stack_alignment): Don't update stack
9732         boundary nor check incoming stack boundary here.
9733         (gimple_expand_cfg): Update stack boundary and check incoming
9734         stack boundary here.
9735
9736 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
9737
9738         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
9739
9740 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
9741
9742         PR rtl-optimization/38245
9743         * calls.c (expand_call): Add stack arguments to
9744         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9745         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
9746         in regs and partially in memory or BLKmode arguments.
9747         (emit_library_call_value_1): Add stack arguments to
9748         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9749         ACCUMULATE_OUTGOING_ARGS).
9750         * dce.c: Include tm_p.h.
9751         (find_call_stack_args): New function.
9752         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
9753         argument.
9754         (mark_insn): Call find_call_stack_args for CALL_Ps.
9755         (prescan_insns_for_dce): Walk insns backwards in bb rather than
9756         forwards.  Allocate and free arg_stores bitmap if needed, pass it
9757         down to deletable_insn_p, don't mark stores set in arg_stores
9758         bitmap, clear the bitmap at the beginning of each bb.
9759         * Makefile.in (dce.o): Depend on $(TM_P_H).
9760
9761 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
9762
9763         PR target/22599
9764         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
9765         to make sure the insn is a conditional test (bug 22599).  Reformat a
9766         few long lines.
9767
9768 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
9769
9770         PR middle-end/38431
9771         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
9772         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
9773         (gloog): Do not call cleanup_tree_cfg.
9774         (graphite_transform_loops): Call cleanup_tree_cfg after all
9775         scops have been code generated.
9776
9777 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
9778         * doc/gty.texi (Invoking the garbage collector): Added new node
9779         and section documenting ggc_collect.
9780
9781 2009-01-14  Richard Guenther  <rguenther@suse.de>
9782
9783         PR tree-optimization/38826
9784         PR middle-end/38477
9785         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
9786         initialization notes only if we actually emitted a warning.
9787         (intra_create_variable_infos): Add constraints for a result decl
9788         that is passed by hidden reference.
9789         (build_pred_graph): Mark all related variables non-direct on
9790         address-taking.
9791
9792 2009-01-14  Nick Clifton  <nickc@redhat.com>
9793
9794         * ira-conflicts.c: Include addresses.h for the definition of
9795         base_reg_class.
9796         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
9797         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
9798
9799 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
9800
9801         PR target/38811
9802         * Makefile.in (ira-lives.o): Add except.h.
9803
9804         * ira-lives.c: Include except.h.
9805         (process_bb_node_lives): Process can_throw_internal.
9806
9807 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
9808
9809         PR rtl-optimization/38774
9810         * combine.c (simplify_set): When undoing cc_use change, don't do
9811         PUT_CODE on the newly created comparison, but instead put back the
9812         old comparison.
9813
9814 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
9815
9816         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
9817         values.  Remove duplicate arm8 entry.
9818
9819 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
9820
9821         PR tree-optimization/38786
9822         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
9823         the SSA_NAME case of expand_scalar_variables_expr.
9824         Set the type of an expression to the type of its assign statement.
9825         (expand_scalar_variables_expr): Also gather the scalar computation
9826         used to index the memory access.  Do not pass loop_p.
9827         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
9828         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
9829         the gimple_stmt_iterator where it inserts new code.
9830         Do not pass loop_p.
9831         (copy_bb_and_scalar_dependences): Do not pass loop_p.
9832         (translate_clast): Update call to copy_bb_and_scalar_dependences.
9833
9834 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
9835
9836         * graphite.h (debug_value): Removed.
9837         * graphite.c (debug_value): Removed.
9838
9839 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
9840
9841         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
9842         ldrd/strd with two 32-bit instructions.
9843
9844 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
9845
9846         * config/arm/arm.c (struct processors): Pass for speed down into
9847         cost helper functions.
9848         (const_ok_for_op): Handle COMPARE and inequality nodes.
9849         (arm_rtx_costs_1): Rewrite.
9850         (arm_size_rtx_costs): Update prototype.
9851         (arm_rtx_costs): Pass speed down to helper functions.
9852         (arm_slowmul_rtx_costs): Rework cost calculations.
9853         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
9854         (arm_9e_rtx_costs): Likewise.
9855
9856 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
9857
9858         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
9859         relocations of local symbols wider than UNITS_PER_WORD are not valid.
9860         (alpha_legitimize_address): Do not split local symbols wider than
9861         UNITS_PER_WORD into HIGH/LO_SUM parts.
9862
9863 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
9864
9865         PR bootstrap/38580
9866         * gcc.c (process_command): Replace call to execvp with calls
9867         to pex_one and exit.
9868
9869 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
9870
9871         PR target/29141
9872         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
9873         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
9874         variant for devices with 3-byte PC.
9875         (__tablejump_elpm__): New.
9876
9877 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
9878
9879         PR c/32041
9880         * c-parser.c (c_parser_postfix_expression): Allow `->' in
9881         offsetof member-designator, handle it as `[0].'.
9882
9883 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9884
9885         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
9886         function when not using named sections on targets with named sections
9887         if branch distance is less than 262132.
9888
9889 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
9890
9891         * combine.c (combine_instructions):  Recompute
9892         optimize_this_for_speed_p  for each BB in the main combine loop.
9893
9894 2009-01-12  Tomas Bily  <tbily@suse.cz>
9895
9896         PR middlend/38385
9897         * tree-loop-distribution.c (prop_phis): New function.
9898         (generate_builtin): Call prop_phis.
9899         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
9900
9901 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
9902
9903         PR tree-optimization/38807
9904         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
9905         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
9906
9907 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
9908
9909         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
9910         subreg of op0 to the original op0.
9911
9912 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
9913
9914         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
9915
9916 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
9917
9918         PR debug/7055
9919         * mips-tfile.c (parse_def): Fix parsing of def strings
9920         starting with digits.
9921
9922 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
9923
9924         PR target/38695
9925         * config/arm/arm.c (arm_is_long_call_p): Don't call
9926         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
9927
9928 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
9929
9930         * regrename.c (regrename_optimize): Fix dumping.
9931         (find_oldest_value_reg): Preserve REG_POINTER.
9932         (copy_hardreg_forward_1): Likewise.
9933
9934 2009-01-09  Diego Novillo  <dnovillo@google.com>
9935
9936         * gimple.h (struct gimple_statement_base) <uid>: Document
9937         the restrictions on its use.
9938         (gimple_uid): Tidy.
9939         (gimple_set_uid): Tidy.
9940
9941 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9942
9943         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
9944         zero guard even if align_bytes != 0 and count is smaller than
9945         size_needed.
9946
9947 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
9948
9949         PR rtl-optimization/38495
9950         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
9951         (add_range_and_copies_from_move_list): Print all added ranges.
9952         Add ranges to memory optimized destination.
9953
9954 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9955
9956         PR target/38686
9957         PR target/38708
9958         * config/i386/i386.c (override_options): Reject
9959         -mstringop-strategy=rep_8byte with -m32.
9960         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
9961         to 1.  Do count comparison against epilogue_size_needed at compile
9962         time even when count_exp was constant forced into register.  For
9963         size_needed don't jump to epilogue, instead just avoid aligning
9964         and invoke the body algorithm.  If need_zero_guard, add zero guard
9965         even if count is non-zero, but smaller than size_needed + number of
9966         bytes that could be stored for alignment.
9967         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
9968         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
9969         but smaller than size_needed + number of bytes that could be stored
9970         for alignment.  Compare size_needed with epilogue_size_needed instead
9971         of desired_align - align, don't adjust size_needed, pass
9972         epilogue_size_needed to the epilogue expanders.
9973
9974         PR c/35742
9975         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
9976
9977 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9978
9979         * pa.c (last_address): Change to unsigned.
9980         (update_total_code_bytes): Change argument to unsigned.  Don't
9981         check if insn addresses are set.
9982         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
9983         addresses are not set.
9984         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
9985
9986 2009-01-09  Nick Clifton  <nickc@redhat.com>
9987
9988         * config/sh/symbian.c: Replace uses of DECL_INLINE with
9989         DECL_DECLARED_INLINE_P.
9990
9991 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9992
9993         PR middle-end/38347
9994         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
9995         GET_MODE (op0) in operand_subword_force calls.
9996
9997         PR middle-end/38771
9998         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
9999         fold_convert arg0 operands to TREE_TYPE (op0) first.
10000
10001 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10002
10003         * params.def (ira-max-conflict-table-size): Decrease default value
10004         to 1000.
10005
10006 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10007
10008         PR tree-optimization/37031
10009         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10010         on parameter_set.
10011         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10012         allocate it using gc instead of heap, use VEC_quick_push instead of
10013         VEC_safe_push.
10014         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10015         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10016         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10017         allocated vector from heap allocated.
10018         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10019         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10020         vector only after perfect_loop_nest_depth call.
10021
10022 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10023             Jan Sjodin  <jan.sjodin@amd.com>
10024
10025         PR tree-optimization/38559
10026         * graphite.c (debug_value, copy_constraint,
10027         swap_constraint_variables, scale_constraint_variable, ): New.
10028         (get_lower_bound, get_upper_bound): Removed.
10029         (graphite_trans_bb_strip_mine): Clean up this code that works
10030         only for constant number of iterations.  Fully copy upper and
10031         lower bound constraints, not only the constant part of them.
10032         * graphite.h (debug_value): Declared.
10033
10034 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10035
10036         PR tree-optimization/37194
10037         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10038         Don't add the cost of cost model guard in prologue to scalar
10039         outside cost in case of known number of iterations.
10040
10041 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10042             Alan Modra  <amodra@bigpond.net.au>
10043
10044         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10045         non-word-aligned REG+CONST addressing.
10046
10047 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10048
10049         PR target/38706
10050         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10051         free_after_compilation when outputting a thunk.
10052         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10053         Do not call free_after_compilation here.
10054
10055 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10056
10057         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10058         (ix86_valid_target_attribute_inner_p): Ditto.
10059
10060 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10061
10062         PR tree-optimization/38492
10063         PR tree-optimization/38498
10064         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10065         * tree-chrec.h (scev_is_linear_expression): Declared.
10066         * graphite.c (graphite_cannot_represent_loop_niter): New.
10067         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10068         (graphite_loop_normal_form): Use gcc_assert.
10069         (scan_tree_for_params): Use CASE_CONVERT.
10070         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10071         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10072         Use gcc_assert.  Discard scops that contain unhandled cases.
10073         (build_scop_conditions): Return a boolean status for unhandled cases.
10074         (strip_mine_profitable_p): Print the loop number, not its depth.
10075         (is_interchange_valid): Pass the depth of the loop nest, don't
10076         recompute it wrongly.
10077         (graphite_trans_bb_block): Same.
10078         (graphite_trans_bb_block): Print tentative of loop blocking.
10079         (graphite_trans_scop_block): Do not print that the loop has been
10080         blocked.
10081         (graphite_transform_loops): Do not handle scops that contain condition
10082         scalar phi nodes.
10083
10084 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10085
10086         AVX Programming Reference (December, 2008)
10087         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10088         (_mm256_stream_pd): Likewise.
10089         (_mm256_stream_ps): Likewise.
10090
10091         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10092         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10093         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10094         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10095         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10096         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10097         (ix86_expand_special_args_builtin): Likewise.
10098
10099         * config/i386/sse.md (AVXMODEDI): New.
10100         (avx_movnt<mode>): Likewise.
10101         (avx_movnt<mode>): Likewise.
10102         (<sse>_movnt<mode>): Remove AVX support.
10103         (sse2_movntv2di): Likewise.
10104
10105 2009-01-07  Richard Guenther  <rguenther@suse.de>
10106
10107         PR middle-end/38751
10108         * fold-const.c (extract_muldiv): Remove obsolete comment.
10109         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10110         to PLUS_EXPR canonicalization for the canonicalization.
10111
10112 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10113
10114         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10115         hosted cross-compilers generating less efficient code.
10116
10117 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10118
10119         * function.h (rtl_data): Add a dbr_scheduled_p field.
10120         * reorg.c (dbr_schedule): Set it.
10121         (gate_handle_delay_slots): Check it.
10122         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10123         (mips_reorg): Check flag_delayed_branch instead of
10124         mips_base_delayed_branch.
10125         (mips_override_options): Don't set mips_base_delayed_branch
10126         or flag_delayed_branch.
10127
10128 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10129
10130         PR rtl-optimization/38426.
10131         * ira.c (ira): Set current_function_is_leaf earlier.
10132
10133 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10134
10135         PR rtl-optimization/38722
10136         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10137         too early, only set a flag and modify after last possible
10138         undo_all point.
10139
10140 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10141
10142         PR c/34252
10143         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10144         * real.c (decimal_single_format): Correct values of emin and emax.
10145         (decimal_double_format): Ditto.
10146         (decimal_quad_format): Ditto.
10147         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10148         computation of DECnn_MIN and DECnn_MAX for corrected values of
10149         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10150         __DECnn_MIN__, and adjust its computation for the corrected value
10151         of emin.
10152
10153 2009-01-06  Jan Hubicka  <jh@suse.cz>
10154
10155         PR target/38744
10156         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10157
10158 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10159
10160         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10161         Add Robert Clark to the list of testers.
10162
10163 2009-01-06  Jan Hubicka  <jh@suse.cz>
10164             Kai Tietz  <kai.tietz@onevision.com>
10165
10166         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10167         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10168
10169 2009-01-06  Jan Hubicka  <jh@suse.cz>
10170             Kai Tietz  <kai.tietz@onevision.com>
10171
10172         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10173         for w64 ABI.
10174         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10175         (ix86_nsaved_regs): Count only general purpose regs.
10176         (ix86_nsaved_sseregs): New.
10177         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10178         to 16 for w64; compute padding and size of sse reg save area.
10179         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10180         general purpose regs.
10181         (ix86_emit_save_sse_regs_using_mov): New.
10182         (ix86_expand_prologue): Save SSE regs if needed.
10183         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10184         (ix86_emit_restore_sse_regs_using_mov): New.
10185         (ix86_expand_epilogue): Save SSE regs if needed.
10186
10187 2009-01-06  Jan Hubicka  <jh@suse.cz>
10188             Kai Tietz  <kai.tietz@onevision.com>
10189
10190         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10191         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10192         functions when accumulate outgoing args is off.
10193
10194 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10195
10196         PR bootstrap/38742
10197         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10198         before using pseudos_have_intersected_live_ranges_p.
10199
10200         * ira-int.h (ira_assert): Always define.
10201
10202 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10203
10204         AVX Programming Reference (December, 2008)
10205         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10206         (_mm256_permute2_pd): Likewise.
10207         (_mm_permute2_ps): Likewise.
10208         (_mm256_permute2_ps): Likewise.
10209         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10210         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10211
10212         * config/i386/i386.c (ix86_builtins): Remove
10213         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10214         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10215         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10216         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10217         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10218         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10219         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10220         __builtin_ia32_vpermil2ps256.
10221         (ix86_init_mmx_sse_builtins): Updated.
10222         (ix86_expand_args_builtin): Likewise.
10223
10224 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10225
10226         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10227         long absolute calls when generating PA 2.0 code.
10228
10229 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10230
10231         PR rtl-optimization/38583
10232         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10233
10234         * params.def (ira-max-conflict-table-size): New.
10235
10236         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10237
10238         * ira.h (ira_conflicts_p): New external definition.
10239
10240         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10241         table.  Report this.  Return result of building.
10242         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10243         building conflict table.
10244
10245         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10246         (ira_color): Use ira_conflicts_p.
10247
10248         * global.c: Include ira.h.
10249         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10250         ira_conflicts_p.
10251
10252         * Makefile.in (global.o): Add ira.h.
10253
10254         * ira-build.c (mark_all_loops_for_removal,
10255         propagate_some_info_from_allocno): New.
10256         (remove_unnecessary_allocnos): Call
10257         propagate_some_info_from_allocno.
10258         (remove_low_level_allocnos): New.
10259         (remove_unnecessary_regions): Add parameter.  Call
10260         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10261         parameter to remove_unnecessary_regions.
10262         (ira_build): Remove all regions but root if the conflict table was
10263         not built.  Update conflict hard regs for allocnos crossing calls.
10264
10265         * ira.c (ira_conflicts_p): New global.
10266         (ira): Define and use ira_conflicts_p.
10267
10268         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10269         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10270         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10271
10272 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10273
10274         * gengtype-lex.l (YY_NO_INPUT): Define.
10275
10276 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10277
10278         PR c/34911
10279         * c-common.c (handle_vector_size_attribute): Also reject
10280         BOOLEAN_TYPE types.
10281
10282 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10283
10284         PR tree-optimization/38492
10285         * graphite.c (rename_map_elt, debug_rename_elt,
10286         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10287         rename_map_elt_info, eq_rename_map_elts,
10288         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10289         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10290         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10291         (sese_build_livein_liveouts): New.
10292         (new_sese, free_sese): New.
10293         (new_scop): Call new_sese.
10294         (free_scop): Call free_sese.
10295         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10296         (register_old_new_names): Renamed register_old_and_new_names.
10297         (register_scop_liveout_renames, add_loop_exit_phis,
10298         insert_loop_close_phis, struct igp,
10299         default_liveout_before_guard, add_guard_exit_phis,
10300         insert_guard_phis, copy_renames): New.
10301         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10302         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10303         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10304         (scop_adjust_phis_for_liveouts): New.
10305         (gloog): Call scop_adjust_phis_for_liveouts.
10306
10307         * graphite.h (struct sese): Documented.  Added fields liveout,
10308         num_ver and livein.
10309         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10310         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10311         (struct scop): Added field liveout_renames.
10312         (SCOP_LIVEOUT_RENAMES): New.
10313
10314 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10315
10316         PR tree-optimization/38510
10317         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10318         (translate_clast): Call recompute_all_dominators before
10319         graphite_verify.
10320         (gloog): Call recompute_all_dominators before graphite_verify.
10321
10322 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10323             Jan Sjodin  <jan.sjodin@amd.com>
10324
10325         PR tree-optimization/38500
10326         * graphite.c (create_sese_edges): Call fix_loop_structure after
10327         splitting blocks.
10328
10329 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10330
10331         * config.gcc: Add m32r*-*-rtems*.
10332         * config/m32r/rtems.h: New file.
10333
10334 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10335
10336         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10337         (.po.pox): Likewise.
10338         (po/gcc.pot): Likewise.
10339
10340 2009-01-04  David S. Miller  <davem@davemloft.net>
10341
10342         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10343         (STARTING_FRAME_OFFSET): Always set to zero.
10344
10345 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10346
10347         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10348         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10349         fixed-point types, and vectors of the same.
10350
10351 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10352
10353         * config/mips/sync.md (*mb_barrier): Rename to...
10354         (*memory_barrier): ...this.
10355
10356 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10357
10358         * doc/extend.texi (Function Attributes): Move @cindex after @item
10359         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10360         and put in alphabetical order. Fix 'target' name and put in order.
10361         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10362         typos.
10363
10364 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10365
10366         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10367         (memory_barrier): Expand as unspec instead of unspec_volatile.
10368         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10369         (*memory_barrier): Define as unspec instead of unspec_volatile.
10370         Use (match_dup 0) as input operand.
10371
10372         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10373         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10374         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10375         scratch register.  Remove operand 1.
10376         (*stbar): Define as unspec instead of unspec_volatile.
10377         Use (match_dup 0) as input operand, remove (const_int 8).
10378         (*membar): Define as unspec instead of unspec_volatile.
10379         Use (match_dup 0) as input operand, remove input operand 2.
10380
10381         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10382         (memory_barrier): Expand as unspec instead of unspec_volatile.
10383         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10384         (*memory_barrier): Define as unspec instead of unspec_volatile.
10385         Use (match_dup 0) as input operand.
10386
10387         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10388         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10389         Set volatile flag on operand 0.
10390         (*memory_barrier): New insn pattern.
10391
10392         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10393         insn operands.
10394         (*memory_barrier): Use (match_dup 0) as input operand.
10395
10396         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10397         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10398         Set volatile flag on operand 0.
10399         (*mb_internal): New insn pattern.
10400
10401         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10402
10403 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10404
10405         PR middle-end/38586
10406         * function.c (struct temp_slot): Move to the section of the file
10407         that deals with temp slots.  Remove field 'address'.
10408         (temp_slot_address_table): New hash table of address -> temp slot.
10409         (struct temp_slot_address_entry): New struct, items for the table.
10410         (temp_slot_address_compute_hash, temp_slot_address_hash,
10411         temp_slot_address_eq, insert_temp_slot_address): Support functions
10412         for the new table.
10413         (find_temp_slot_from_address): Rewrite to use the new hash table.
10414         (remove_unused_temp_slot_addresses): Remove addresses of temp
10415         slots that have been made available.
10416         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10417         worker function for remove_unused_temp_slot_addresses.
10418         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10419         Add the temp slot address to the address -> temp slot map.
10420         (update_temp_slot_address): Update via insert_temp_slot_address.
10421         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10422         (pop_temp_slots): Likewise.
10423         (init_temp_slots): Allocate the address -> temp slot map, or empty
10424         the map if it is already allocated.
10425         (prepare_function_start): Initialize temp slot processing.
10426
10427 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10428
10429         PR middle-end/38584
10430         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10431         Calculate the size of all stack vars assuming no packing of stack
10432         vars will happen, replacing a quadratic algorithm with a linear one.
10433
10434 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10435
10436         PR target/38707
10437         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10438         can't be used.
10439
10440 2009-01-03  Diego Novillo  <dnovillo@google.com>
10441
10442         * doc/contrib.texi: Update contributions.
10443
10444 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10445
10446         PR c++/38705
10447         * builtins.c (fold_builtin_memory_op): Give up if either operand
10448         is volatile.  Set srctype or desttype to non-qualified version
10449         of the other type.
10450
10451         PR c/38700
10452         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10453         and FUNCTION_DECLs.
10454
10455 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10456
10457         PR rtl-optimization/35805
10458         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10459         problem if fast dce is able to remove any instructions.
10460         * dce.c (dce_process_block): Fix dump message.
10461
10462 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10463
10464         PR 33649
10465         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10466
10467 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10468
10469         PR middle-end/38690
10470         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10471         * tree-pretty-print.c (op_code_prio): New function.
10472         (op_prio): No longer static.  Use op_code_prio.
10473         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10474         Use op_prio and op_code_prio to determine if () should be
10475         printed around operand(s) or not.
10476
10477         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10478         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10479         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10480         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10481         pp_character instead of pp_string for single letter printing.
10482
10483 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10484
10485         * doc/extend.texi: Fix '#pragma GCC option' typo.
10486
10487 2009-01-02  Richard Guenther  <rguenther@suse.de>
10488
10489         * doc/install.texi (--enable-checking): Mention different
10490         default for stage1.
10491         (--enable-stage1-checking): Document.
10492
10493 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10494
10495         PR middle-end/30142
10496         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10497         case to be an error.
10498
10499 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10500
10501         * config/fp-bit.h (pack_d): Constify argument.
10502         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10503         (isnan): Constify argument.
10504         (isinf): Likewise.
10505         (iszero): Likewise.
10506         (pack_d): Likewise.
10507         (_fpadd_parts): Constify return type.
10508         (_fpmul_parts): Likewise.
10509         (_fpdiv_parts): Likewise.
10510
10511 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10512
10513         PR c/36489
10514         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10515         warn about overwriting initializer with side-effects or
10516         -Woverride-init if !IMPLICIT.
10517         (output_init_element): Likewise.  Pass IMPLICIT down to
10518         add_pending_init.
10519         (process_init_element): Add IMPLICIT argument.  Pass it down
10520         to output_init_element.
10521         (push_init_element, pop_init_level, set_designator): Adjust
10522         process_init_element callers.
10523         (set_nonincremental_init, set_nonincremental_init_from_string):
10524         Adjust add_pending_init callers.
10525         (output_pending_init_elements): Adjust output_init_element callers.
10526         * c-tree.h (process_init_element): Adjust prototype.
10527         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10528         process_init_element callers.
10529
10530 \f
10531 Copyright (C) 2009 Free Software Foundation, Inc.
10532
10533 Copying and distribution of this file, with or without modification,
10534 are permitted in any medium without royalty provided the copyright
10535 notice and this notice are preserved.