gcc/ChangeLog

   1 2009-05-08  Richard Guenther  <rguenther@suse.de>
   2
   3         PR tree-optimization/40062
   4         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
   5         Avoid exponential behavior.
   6
   7 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
   8
   9         PR rtl-optimization/33928
  10         PR 26854
  11         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
  12         process_uses, build_single_def_use_links): New.
  13         (update_df): Update use_def_ref.
  14         (forward_propagate_into): Use get_def_for_use instead of use-def
  15         chains.
  16         (fwprop_init): Call build_single_def_use_links and let it initialize
  17         dataflow.
  18         (fwprop_done): Free use_def_ref.
  19         (fwprop_addr): Eliminate duplicate call to df_set_flags.
  20         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
  21         df_rd_simulate_one_insn): New.
  22         (df_rd_bb_local_compute_process_def): Update head comment.
  23         (df_chain_create_bb): Use the new RD simulation functions.
  24         * df.h (df_rd_simulate_artificial_defs_at_top,
  25         df_rd_simulate_one_insn): New.
  26         * opts.c (decode_options): Enable fwprop at -O1.
  27         * doc/invoke.texi (-fforward-propagate): Document this.
  28
  29 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
  30
  31         PR c/24581
  32         * c-typeck.c (build_binary_op): Handle arithmetic between one real
  33         and one complex operand specially.
  34         * tree-complex.c (some_nonzerop): Do not identify a real value as
  35         zero if flag_signed_zeros.
  36
  37 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
  38
  39         PR rtl-optimization/33928
  40         * loop-invariant.c (record_use): Fix && vs. || mishap.
  41
  42 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
  43
  44         PR rtl-optimization/33928
  45         * loop-invariant.c (struct use): Add addr_use_p.
  46         (struct def): Add n_addr_uses.
  47         (struct invariant): Add cheap_address.
  48         (create_new_invariant): Set cheap_address.
  49         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
  50         (record_uses): Pass df_ref to record_use.
  51         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses used
  52         only as such.
  53
  54 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
  55
  56         * config/sh/sh.c: Do not include c-pragma.h.
  57
  58 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  59
  60         * config/spu/spu.c: Remove include of c-common.h.
  61
  62 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
  63
  64         PR c/39037
  65         * c-common.h (mark_valid_location_for_stdc_pragma,
  66         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
  67         clear_float_const_decimal64, float_const_decimal64_p): New.
  68         * c.opt (Wunsuffixed-float-constants): New.
  69         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
  70         unsuffixed float constant, handle new warning.
  71         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
  72         * c-decl.c (c_scope): New flag float_const_decimal64.
  73         (set_float_const_decimal64, clear_float_const_decimal64,
  74         float_const_decimal64_p): New.
  75         (push_scope): Set new flag.
  76         * c-parser.c (c_parser_translation_unit): Mark when it's valid
  77         to use STDC pragmas.
  78         (c_parser_external_declaration): Ditto.
  79         (c_parser_compound_statement_nostart): Ditto.
  80         * c-pragma.c (valid_location_for_stdc_pragma,
  81         mark_valid_location_for_stdc_pragma,
  82         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
  83         handle_pragma_float_const_decimal64): New.
  84         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
  85         * cp/semantics.c (valid_location_for_stdc_pragma_p,
  86         set_float_const_decimal64, clear_float_const_decimal64,
  87         float_const_decimal64_p): New dummy functions.
  88         * doc/extend.texi (Decimal Float): Remove statement that the
  89         pragma, and suffix for double constants, are not supported.
  90         * doc/invoke.texi (Warning Options): List new option.
  91         (-Wunsuffixed-float-constants): New.
  92
  93 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
  94
  95         * config/i386/i386.c: Do not include c-common.h.
  96
  97 2009-05-07  Mark Heffernan  <meheff@google.com>
  98
  99         * doc/invoke.texi (Debugging Options): Document change of debugging
 100         dump location.
 101         * opts.c (decode_options): Make dump_base_name relative to
 102         aux_base_name directory.
 103
 104 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
 105
 106         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
 107         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
 108
 109 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
 110
 111         * Makefile.in (install-plugin): Simplify a bit.
 112
 113 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
 114
 115         * Makefile.in (OBJS-common): Add regcprop.o.
 116         (regcprop.o): New.
 117         * timevar.def (TV_CPROP_REGISTERS): New.
 118         * regrename.c (regrename_optimize): Return 0.
 119         (rest_of_handle_regrename): Delete.
 120         (pass_rename_registers): Point to regrename_optimize.
 121         (struct value_data_entry, struct value_data,
 122         kill_value_one_regno, kill_value_regno, kill_value,
 123         set_value_regno, init_value_data, kill_clobbered_value,
 124         kill_set_value, kill_autoinc_value, copy_value,
 125         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
 126         replace_oldest_value_reg, replace_oldest_value_addr,
 127         replace_oldest_value_mem, copyprop_hardreg_forward_1,
 128         debug_value_data, validate_value_data): Move...
 129         * regcprop.c: ... here.
 130         (rest_of_handle_cprop): Delete.
 131         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
 132
 133 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
 134
 135         PR middle-end/40057
 136         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
 137         GEN_INT for 1 << bitnum.
 138         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
 139         build_int_cst_type.
 140
 141 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
 142
 143         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
 144         Remove wrong description of "nand" functionality.
 145
 146 2009-05-06  Richard Guenther  <rguenther@suse.de>
 147             Adam Nemet  <anemet@caviumnetworks.com>
 148
 149         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
 150         comment.  Add that if LHS is not a gimple register, then RHS1 has
 151         to be a single object (GIMPLE_SINGLE_RHS).
 152
 153 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
 154
 155         * expr.c (get_def_for_expr): Move it up in the file.
 156         (store_field): When expanding a bit-field store, look at the
 157         defining gimple stmt for the masking conversion.
 158
 159 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
 160
 161         PR middle-end/39986
 162         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
 163         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
 164         32-bit memcpy into long.
 165
 166 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
 167
 168         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
 169         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
 170         new_reg_loc_descr.
 171         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
 172         instead of appending DW_OP_deref*.
 173
 174 2009-05-06  Michael Matz  <matz@suse.de>
 175
 176         PR middle-end/40021
 177         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
 178         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
 179
 180 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
 181
 182         * Makefile.in (install-plugin): Fix srcdir handling.
 183
 184 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
 185
 186         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
 187         when processing for not_regs_needed bitmap.
 188         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
 189         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
 190         handling it for rhs.
 191
 192 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
 193
 194         * config/i386/i386.md (unnamed inc/dec peephole): Use
 195         optimize_insn_for_size_p instead of optimize_size.
 196         * config/i386/predicates.md (incdec_operand): Likewise.
 197         (aligned_operand): Likewise.
 198         * config/i386/sse.md (divv8sf3): Likewise.
 199         (sqrtv8sf2): Likewise.
 200
 201 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
 202
 203         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
 204
 205         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
 206
 207 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
 208
 209         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
 210         ssemodesuffixf2c with avxmodesuffixf2c.
 211
 212 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
 213
 214         PR c/40032
 215         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
 216
 217 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
 218
 219         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
 220         (struct tree_base): Adjust spacing for 8 bit boundaries.
 221         (struct tree_decl_common): Add decl_by_reference_flag bit.
 222         (DECL_BY_REFERENCE): Adjust.
 223         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
 224         print DECL_BY_REFERENCE bit.
 225         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
 226         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
 227         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
 228         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
 229         unconditionally.
 230
 231         PR middle-end/39666
 232         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
 233         range of the type, but default label is missing, add it with one
 234         of the existing labels instead of adding a new label for it.
 235
 236 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
 237
 238         * dwarf.h: Remove.
 239
 240 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
 241
 242         * Makefile.in (enable_plugin, plugin_includedir): New.
 243         (install): Depend on install-plugin.
 244         (PLUGIN_HEADERS): New.
 245         (install-plugin): New.
 246         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
 247
 248 2009-05-05  Richard Guenther  <rguenther@suse.de>
 249
 250         PR tree-optimization/40022
 251         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
 252         the only vuse.
 253         (phivn_valid_p): Fix tuplification error, simplify.
 254         (phiprop_insert_phi): Add dumps.
 255         (propagate_with_phi): Simplify.
 256
 257 2009-05-05  Richard Guenther  <rguenther@suse.de>
 258
 259         PR middle-end/40023
 260         * builtins.c (gimplify_va_arg_expr): Properly build the address.
 261
 262 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
 263
 264         * tree.h (strip_float_extensions): Remove duplicate declaration.
 265         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
 266         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
 267         block_ultimate_origin): Rearrange the declarations line to match the
 268         comment that indicates the .c file which the functions are defined.
 269         (dwarf2out_*, set_decl_rtl): Add comment.
 270         (get_base_address): Adjust comment.
 271         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
 272         declarations line and add comment.
 273         (is_builtin_name): Add blank after function name, for clarity.
 274
 275 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
 276
 277         * attribs.c (decl_attributes): Use %qE for identifiers in
 278         diagnostics.
 279         * cgraphunit.c (verify_cgraph_node): Translate function names to
 280         locale character set in diagnostics.
 281         * coverage.c (get_coverage_counts): Use %qE for identifiers in
 282         diagnostics.
 283         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
 284         Document that functions are named in UTF-8.
 285         * expr.c (expand_expr_real_1): Translate function names to locale
 286         character set in diagnostics.
 287         * gimplify.c (omp_notice_variable, omp_is_private,
 288         gimplify_scan_omp_clauses): Use %qE for identifiers in
 289         diagnostics.
 290         * langhooks.c (lhd_print_error_function): Translate function names
 291         to locale character set.
 292         * langhooks.h (decl_printable_name): Document that return value is
 293         in internal character set.
 294         * stmt.c: Include pretty-print.h
 295         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
 296         diagnostics.
 297         (resolve_operand_name_1): Translate named operand name to locale
 298         character set.
 299         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
 300         diagnostics.
 301         * toplev.c (announce_function): Translate function names to locale
 302         character set.
 303         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
 304         (default_tree_printer): Use pp_identifier or translate identifiers
 305         to locale character set.  Mark "<anonymous>" for translation.
 306         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
 307         for identifiers in diagnostics.
 308         * tree.c (handle_dll_attribute): Use %qE for identifiers in
 309         diagnostics.
 310         * varasm.c (output_constructor): Use %qE for identifiers in
 311         diagnostics.
 312
 313 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
 314
 315         * configure.ac: use ` ` instead of $()
 316         * configure: Regenerate.
 317
 318 2009-05-05  Ben Elliston  <bje@au.ibm.com>
 319
 320         * config/pa/linux-atomic.c: Eliminate conditional include of
 321         errno.h on non-LP64 systems to simplify build requirements.
 322
 323 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
 324
 325         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
 326         diagnostics.
 327         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
 328         and pass value to identifier_to_locale.
 329         (warn_variable_length_array): Make name a tree.
 330         (grokdeclarator): Separate diagnostic texts for named and unnamed
 331         declarators.  Use %qE for named declarators.
 332         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
 333         diagnostics.
 334         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
 335         identifiers in diagnostics.
 336         * c-typeck.c (push_member_name, start_init): Pass identifiers to
 337         identifier_to_locale.  Mark "anonymous" strings for translation.
 338
 339 2009-05-04  Michael Eager <eager@eagercon.com>
 340
 341         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
 342         address for DImode/DFmode only if double-precision FP regs.
 343
 344 2009-05-04  Michael Eager <eager@eagercon.com>
 345
 346         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
 347         TARGET_SINGLE_FLOAT check.
 348
 349 2009-05-04  Michael Eager <eager@eagercon.com>
 350
 351         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
 352
 353 2009-05-04  Michael Eager <eager@eagercon.com>
 354
 355         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
 356         * config/rs6000/t-xilinx: New
 357
 358 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
 359
 360         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
 361         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
 362         * gcc/explow.c (memory_address): Use target hook.
 363         * gcc/targhooks.c (default_legitimize_address): New.
 364         * gcc/targhooks.h (default_legitimize_address): New.
 365         * gcc/target.h (legitimize_address): New.
 366         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
 367         (TARGET_INITIALIZER): Include it.
 368         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
 369
 370         * config/bfin/bfin-protos.h (legitimize_address): Remove.
 371         * config/bfin/bfin.c (legitimize_address): Remove.
 372         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
 373         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
 374         Remove.
 375         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
 376         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
 377
 378         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
 379         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
 380         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
 381         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
 382         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
 383         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
 384         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
 385         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
 386         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
 387         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
 388         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
 389         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
 390         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
 391         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
 392         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
 393         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
 394         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
 395         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
 396         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
 397         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
 398         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
 399         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
 400         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
 401
 402         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
 403         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
 404         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
 405         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
 406         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
 407         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
 408         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
 409         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
 410         (thumb_legitimize_address): Delete.
 411         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
 412         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
 413         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
 414         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
 415         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
 416         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
 417         Delete.
 418         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
 419         Delete.
 420
 421         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
 422         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
 423         * config/m32r/m32r.c (m32r_legitimize_address): New.
 424         * config/m68k/m68k.c (m68k_legitimize_address): New.
 425         * config/score/score.c (score_legitimize_address): Standardize.
 426         * config/score/score3.c (score3_legitimize_address): Standardize.
 427         * config/score/score3.h (score3_legitimize_address): Adjust.
 428         * config/score/score7.c (score7_legitimize_address): Standardize.
 429         * config/score/score7.h (score7_legitimize_address): Adjust.
 430         * config/sh/sh.c (sh_legitimize_address): New.
 431         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
 432
 433         * gcc/config/s390/s390.c (legitimize_address): Rename to...
 434         (s390_legitimize_address): ... this.
 435         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
 436         (sparc_legitimize_address): ... this.
 437         * gcc/config/i386/i386.c (legitimize_address): Rename to...
 438         (ix86_legitimize_address): ... this.
 439         * gcc/config/avr/avr.c (legitimize_address): Rename to...
 440         (avr_legitimize_address): ... this.
 441         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
 442         (mn10300_legitimize_address): ... this.
 443         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
 444         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
 445         (alpha_expand_mov): Adjust call.
 446
 447         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
 448         * config/spu/spu.c (spu_legitimize_address): Likewise.
 449         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
 450         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
 451
 452 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
 453
 454         * intl.c (locale_encoding, locale_utf8): New.
 455         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
 456         * intl.h (locale_encoding, locale_utf8): Declare.
 457         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
 458         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
 459         New.
 460         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
 461         argument.
 462         (pp_tree_identifier): Define to call pp_base_tree_identifier.
 463         (pp_base_tree_identifier): Declare as function.
 464         (identifier_to_locale): Declare.
 465         * Makefile.in (pretty-print.o): Update dependencies.
 466         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
 467
 468 2009-05-04  Richard Guenther  <rguenther@suse.de>
 469
 470         PR middle-end/40015
 471         * builtins.c (fold_builtin_memory_op): Do not decay to element
 472         type if the size matches the whole array.
 473
 474 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
 475
 476         * expmed.c (synth_mult): When trying out a shift, pass the result
 477         of a signed shift.
 478
 479 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
 480
 481         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
 482         (shiftsub1_cost): New.
 483         (init_expmed): Compute shiftsub1_cost.
 484         (synth_mult): Optimize multiplications by constants of the form
 485         -(2^^m-1) for some constant positive integer m.
 486
 487 2009-05-03  Richard Guenther  <rguenther@suse.de>
 488
 489         PR c/39983
 490         * c-typeck.c (array_to_pointer_conversion): Do not built
 491         ADDR_EXPRs of arrays of pointer-to-element type.
 492         * c-gimplify.c (c_gimplify_expr): Revert change fixing
 493         up wrong ADDR_EXPRs after-the-fact.
 494         * c-common.c (strict_aliasing_warning): Strip pointer
 495         conversions for obtaining the original type.
 496         * builtins.c (fold_builtin_memset): Handle array types.
 497         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
 498         and array types
 499
 500 2009-05-03  Richard Guenther  <rguenther@suse.de>
 501
 502         PR middle-end/23329
 503         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
 504         Do not lose casts from array types with unknown extent to array
 505         types with known extent.
 506         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
 507         alias set compatibility.
 508
 509 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 510
 511         * flags.h (extra_warnings): Delete.
 512         * toplev.c (process_options): Handle Wuninitialized here.
 513         * opts.c (extra_warnings): Delete.
 514         (set_Wextra): Delete.
 515         (common_handle_option): -Wextra can be handled automatically.
 516         * c-opts.c (c_common_handle_option): Delete obsolete code.
 517         (c_common_post_options): Simplify comment.
 518         * common.opt (W): Add Var.
 519         (Wextra): Add Var.
 520         (Wuninitialized): Initialize to -1.
 521
 522 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
 523             Richard Guenther  <rguenther@suse.de>
 524
 525         * expr.c (get_def_for_expr): New function.
 526         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
 527         SSA rather than trees.
 528         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
 529         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
 530
 531 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
 532
 533         * c-common.c (reswords): Add _Imaginary.
 534         * c-common.c (enum rid): Add RID_IMAGINARY.
 535
 536 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
 537
 538         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
 539         Patch by Richard Guenther.
 540
 541 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
 542
 543         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
 544         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
 545         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
 546         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
 547         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
 548         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
 549         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
 550         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
 551         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
 552         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
 553         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
 554         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
 555         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
 556         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
 557         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
 558         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
 559         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
 560         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
 561
 562 2009-05-02  Richard Guenther  <rguenther@suse.de>
 563
 564         PR tree-optimization/39940
 565         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
 566         doing so.
 567
 568 2009-05-02  Richard Guenther  <rguenther@suse.de>
 569
 570         PR middle-end/40001
 571         * tree-ssa.c (execute_update_addresses_taken): Properly check
 572         if we can mark a variable DECL_GIMPLE_REG_P.
 573         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
 574         back to the end of the function.
 575         (is_gimple_reg_type): Remove complex type special casing.
 576         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
 577         if not optimizing.
 578
 579 2009-05-02  Ben Elliston  <bje@au.ibm.com>
 580
 581         * doc/collect2.texi (Collect2): Document search path behaviour
 582         when configured with --with-ld.
 583
 584 2009-05-02  Jan Hubicka  <jh@suse.cz>
 585
 586         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
 587         parameter; update callers.
 588         (coalesce_cost_edge): EH edges are costier because they needs
 589         splitting even if not critical and even more costier when there are
 590         multiple EH predecestors.
 591
 592 2009-05-02  Jan Hubicka  <jh@suse.cz>
 593
 594         * except.c (remove_eh_handler_and_replace): Handle updating after
 595         removing TRY blocks.
 596
 597 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
 598
 599         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
 600
 601 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
 602
 603         * varasm.c: Do not include c-pragma.h.
 604         * attribs.c: Do not incude c-common.h.
 605
 606 2009-05-01  Michael Matz  <matz@suse.de>
 607
 608         * calls.c (initialize_argument_information): Handle SSA names like
 609         decls with a non MEM_P DECL_RTL.
 610
 611 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
 612
 613         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
 614         * ipa-utils.c: Likewise.
 615         * ipa-type-escape.c: Likewise.
 616         * cgraphunit.c Do not include c-common.h.
 617         * ipa-pure-const.c: Likewise.
 618         * tree-if-conv.c: Likewise.
 619         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
 620         * ipa-struct-reorg.c: Likewise.
 621         * tree-nomudflap.c: Likewise.
 622         * tree-ssa-structalias.c: Likewise.
 623
 624 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
 625
 626         * store-motion.c: Many cleanups to make this pass a first-class
 627         citizen instead of an appendix to gcse load motion.  Add TODO list
 628         to make this pass faster/cleaner/better.
 629
 630         (struct ls_expr): Post gcse.c-split cleanups.
 631         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
 632         "stores" field to "avail_stores".
 633         (pre_ldst_mems): Rename to store_motion_mems.
 634         (pre_ldst_table): Rename to store_motion_mems_table.
 635         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
 636         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
 637         (ldst_entry): Rename to st_expr_entry, update users.
 638         (free_ldst_entry): Rename to free_st_expr_entry, update users.
 639         (free_ldst_mems): Rename to free_store_motion_mems, update users.
 640         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
 641         update caller.
 642         (first_ls_expr): Rename to first_st_expr, update users.
 643         (next_ls_expr): Rename to next_st_expr, update users.
 644         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
 645         fields properly for store motion instead of names inherited from load
 646         motion in gcse.c.
 647         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
 648         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
 649         are done with it.
 650
 651         (ae_kill): Rename to st_kill, update users.
 652         (ae_gen): Rename to st_avloc, update users.
 653         (transp): Rename to st_transp, update users.
 654         (pre_insert_map): Rename to st_insert_map, update users.
 655         (pre_delete_map): Rename to st_delete_map, update users.
 656         (insert_store, build_store_vectors, free_store_memory,
 657         one_store_motion_pass): Update for abovementioned changes.
 658
 659         (gcse_subst_count, gcse_create_count): Remove.
 660         (one_store_motion_pass): New statistics counters "n_stores_deleted"
 661         and "n_stores_created", local variables.
 662
 663         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
 664         use for_each_rtx.
 665
 666         (regvec, compute_store_table_current_insn): Remove.
 667         (reg_set_info, reg_clear_last_set): Remove.
 668         (compute_store_table): Use DF caches instead of local dataflow
 669         solvers.
 670
 671 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
 672
 673         * c-objc-common.c (c_tree_printer): Print identifiers with
 674         pp_identifier, not pp_string.  Mark "({anonymous})" for
 675         translation.
 676         * c-pretty-print.c (pp_c_ws_string): New.
 677         (pp_c_cv_qualifier, pp_c_type_specifier,
 678         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
 679         pp_c_storage_class_specifier, pp_c_function_specifier,
 680         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
 681         pp_c_primary_expression, pp_c_postfix_expression,
 682         pp_c_unary_expression, pp_c_shift_expression,
 683         pp_c_relational_expression, pp_c_equality_expression,
 684         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
 685         use pp_string and pp_c_ws_string in place of pp_identifier and
 686         pp_c_identifier for non-identifiers.  Mark English strings for
 687         translation.
 688         * c-pretty-print.h (pp_c_ws_string): Declare.
 689
 690 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
 691             Roland McGrath <roland@redhat.com>
 692
 693         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
 694         (ENABLE_LD_BUILDID): New configuration option.
 695         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
 696         (LINK_BUILDID_SPEC): New macro.
 697         (init_spec): If defined, prepend it between LINK_EH_SPEC and
 698         link_spec.
 699         * doc/install.texi: Document --enable-linker-build-id option.
 700         * configure: Rebuild.
 701         * config.in: Rebuild.
 702
 703 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
 704
 705         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
 706         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
 707         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
 708         MIPS_GP_SAVE_AREA_SIZE.
 709         * config/mips/mips.c (struct mips_frame_info): Update comment
 710         before arg_pointer_offset and hard_frame_pointer_offset.
 711         (mips_compute_frame_info): Update diagram before function: to
 712         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
 713         indicate the position of frame_pointer_rtx with -fstack-protector and
 714         to show args_size.  Don't allocate cprestore area for leaf functions
 715         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
 716         cprestore_size.
 717         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
 718
 719 2009-04-30  Michael Matz  <matz@suse.de>
 720
 721         PR tree-optimization/39955
 722         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
 723
 724 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
 725
 726         * ira.c (setup_cover_and_important_classes):  Use safe macro
 727         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
 728         directly.
 729         * genpreds.c (write_tm_preds_h):  Output suitable definition of
 730         REG_CLASS_FOR_CONSTRAINT.
 731
 732 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
 733
 734         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
 735         instead of an int.
 736         * bitmap.c (bitmap_descriptor): Likewise.
 737         * ggc-common.c (loc_descriptor): Likewise.
 738         * varray.c (varray_descriptor): Likewise.
 739         * vec.c (vec_descriptor): Likewise.
 740
 741 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
 742
 743         * Makefile.in (dce.o): Add $(EXCEPT_H).
 744         * dce.c: Include except.h and delete redundant vector definitions.
 745         (deletable_insn_p): Return false for non-call insns that can throw
 746         if DF is running.
 747
 748 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
 749
 750         * gcse.c (ae_gen): Remove.
 751         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
 752         and make non-static function to make it available in store-motion.c.
 753         Update call sites with search-and-replace.
 754         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
 755         extract_mentioned_regs, extract_mentioned_regs_helper,
 756         find_moveable_store, compute_store_table, load_kills_store, find_loads,
 757         store_killed_in_insn, store_killed_after, store_killed_before,
 758         build_store_vectors, insert_insn_start_basic_block, insert-store,
 759         remove_reachable_equiv_notes, replace_store_insn, delete_store,
 760         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
 761         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
 762         * store-motion.c: ...new file.  Also copy data structures from gcse.c
 763         and clean up to remove parts not used by store motion.
 764         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
 765         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
 766
 767 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 768
 769         PR target/38571
 770         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
 771         when optimizing for size.
 772
 773 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
 774
 775         * gcse.c (gcse_constant_p): Fix typo in last change.
 776
 777 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
 778
 779         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
 780
 781 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
 782
 783         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
 784
 785 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
 786
 787         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
 788         CONST_HIGH_PART result.
 789
 790 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
 791
 792         * config/avr/avr.c (initial_elimination_offset): Rename to
 793         avr_initial_elimination_offset.
 794         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
 795         change return type to bool.
 796         (avr_can_eliminate): New function.
 797         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
 798         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
 799         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
 800         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
 801         avr_initial_elimination_offset.
 802         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
 803         (avr_initial_elimination_offset): Define.
 804
 805 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
 806             Steven Bosscher  <steven@gcc.gnu.org>
 807
 808         PR rtl-optimization/39938
 809         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
 810         * cfgrtl.c: Include insn-attr.h.
 811         (rest_of_pass_free_cfg): New function.
 812         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
 813         * resource.c (init_resource_info): Remove call to df_analyze.
 814
 815 2009-04-29  Richard Guenther  <rguenther@suse.de>
 816
 817         PR target/39943
 818         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
 819         allow conversion to signed integers.
 820
 821 2009-04-29  Richard Guenther  <rguenther@suse.de>
 822
 823         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
 824         shifts of floating point vectors if the shift amount is
 825         a constant multiple of the element size.
 826
 827 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
 828             Michael Matz  <matz@suse.de>
 829
 830         PR middle-end/39927
 831         PR bootstrap/39929
 832         * tree-outof-ssa.c (emit_partition_copy): New function.
 833         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
 834         insert_part_to_rtx_on_edge): Perform the partition base var
 835         copy using emit_partition_copy.
 836         (insert_value_copy_on_edge): Convert constants to the right mode.
 837         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
 838         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
 839
 840 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 841
 842         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
 843         scan backwards to try to find a constant to initialize it.
 844
 845         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
 846         insn before the loop_end instruction, don't look past labels.
 847
 848 2009-04-29  Richard Guenther  <rguenther@suse.de>
 849
 850         PR middle-end/39937
 851         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
 852         loose type conversions.
 853         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
 854         stmts only if there are no uses of its definition.
 855
 856 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 857
 858         * config/bfin/bfin.h (splitting_loops): Declare.
 859         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
 860         Reorder bit definitions to be ascending.
 861         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
 862         * config/bfin/bfin.c (splitting_loops): New variable.
 863         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
 864         (struct loop_info): Remove members INIT and LOOP_INIT.
 865         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
 866         the LSETUP sequence.  Allow LC to be loaded from any register, but
 867         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
 868         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
 869         set to 1.
 870         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
 871         of reload_completed.
 872
 873         From Jie Zhang:
 874         * config/bfin/bfin.md (movsi_insn): Refine constraints.
 875
 876 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
 877
 878         * Makefile.in (PLUGIN_VERSION_H): New.
 879         (OBJS-common): Remove plugin-version.o.
 880         (plugin.o): Depend on (PLUGIN_VERSION_H).
 881         (plugin-version.o): Remove.
 882         * configure: Regenerate
 883         * configure.ac: Create plugin-version.h.
 884         * gcc-plugin.h (plugin_gcc_version): Remove.
 885         (plugin_default_version_check): Change signature.
 886         * plugin-version.c: Remove.
 887         * plugin.c: Include plugin-version.h.
 888         (str_plugin_gcc_version_name): Remove.
 889         (try_init_one_plugin): Pass gcc version to plugin_init.
 890         (plugin_default_version_check): Both gcc and plugin versions are now
 891         arguments.
 892
 893 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 894
 895         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
 896         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
 897         Remove special case testing for last insn of inner loops. Don't fail
 898         if the loop ends with a jump, emit an extra nop instead.
 899
 900         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
 901         DREGS rather than comparing directly.  Remove code that tries to
 902         account for latencies.
 903
 904 2009-04-29  Richard Guenther  <rguenther@suse.de>
 905
 906         PR tree-optimization/39941
 907         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
 908         eliminating an indirect call.
 909
 910 2009-04-29  Richard Guenther  <rguenther@suse.de>
 911
 912         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
 913         parameter.  Allow invariants as base if !require_lvalue.
 914         (verify_gimple_assign_single): Adjust.
 915
 916 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
 917
 918         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
 919         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
 920         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
 921         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
 922         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
 923         a VEC_SELECT.
 924         * config/bfin/bfin.c (bfin_expand_builtin,
 925         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
 926
 927 2009-04-28  Richard Guenther  <rguenther@suse.de>
 928
 929         * tree-vect-loop.c (get_initial_def_for_induction): Use
 930         correct types for pointer increment.
 931
 932 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 933
 934         * toplev.c (print_version): Update GMP version string calculation.
 935
 936 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 937
 938         PR rtl-optimization/39938
 939         * resource.c (init_resource_info): Add call to df_analyze.
 940
 941 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
 942
 943         * config/alpha/alpha.md (usegp): Cast the result of
 944         alpha_find_lo_sum_using_gp to enum attr_usegp.
 945         * config/alpha/alpha.c (override_options): Remove end-of-structure
 946         marker element from cpu_table.  Use array size of cpu_table to handle
 947         -mcpu and -mtune options.
 948         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
 949
 950 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
 951
 952         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
 953         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
 954         tune_32 and tune_64.
 955         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
 956         support on PowerPC.
 957         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
 958         * config/rs6000/option-defaults.h: ... here.  New file.
 959         (OPT_64, OPT_32): Define.
 960         (MASK_64BIT): Define to 0 if not already defined.
 961         (OPT_ARCH64, OPT_ARCH32): Define.
 962         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
 963         and tune_64.
 964
 965 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 966
 967         * config/arm/arm.c (arm_override_options): Emit error on using
 968         fpa with AAPCS.
 969
 970 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
 971
 972         PR rtl-optimization/39914
 973         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
 974         registers for allocnos created from user-defined variables only
 975         when not optimizing.
 976
 977 2009-04-28  Richard Guenther  <rguenther@suse.de>
 978
 979         PR middle-end/39937
 980         * fold-const.c (fold_binary): Use distribute_real_division only
 981         on float types.
 982
 983 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
 984
 985         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
 986         add hpux-stdint.h to tm_file.
 987         (hppa[12]*-*-hpux11*): Ditto.
 988         (ia64*-*-hpux*): Ditto.
 989         * config/hpux-stdint.h: New.
 990         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
 991         __STDC_EXT__ for all compiles.
 992         * config/pa/pa-hpux.h: Ditto.
 993         * config/pa/pa-hpux10.h: Ditto.
 994         * config/pa/pa-hpux11.h: Ditto.
 995
 996 2009-04-28  Catherine Moore  <clm@codesourcery.com>
 997
 998         * debug.h (set_name): Add comment.
 999
1000 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
1001
1002         PR target/39929
1003         * config/darwin.c (machopic_gen_offset): Check
1004         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
1005         * config/arm/arm.c (require_pic_register): Likewise.
1006
1007 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
1008
1009         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
1010         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
1011         m32c_promote_prototypes): Delete.
1012
1013 2009-04-28  Michael Matz  <matz@suse.de>
1014
1015         PR middle-end/39922
1016         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
1017         constants.
1018
1019 2009-04-28  Richard Guenther  <rguenther@suse.de>
1020
1021         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
1022
1023 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1024
1025         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
1026         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
1027         * config/arm/arm-tune.md: Regenerate.
1028
1029 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
1030
1031         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
1032         block if there are complex incoming edges.
1033         (sel_merge_blocks): Remove useless assert.
1034         (sel_redirect_edge_and_branch): Check that edge was redirected.
1035         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
1036         (sel_find_rgns): Delete declaration.
1037         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
1038         the region when it is not a preheader.
1039
1040 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         PR c/39323
1043         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
1044
1045 2009-04-28  Richard Guenther  <rguenther@suse.de>
1046
1047         * tree.h (SSA_NAME_VALUE): Remove.
1048         (struct tree_ssa_name): Remove value_handle member.
1049         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
1050         array for jump threading.
1051         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
1052         SSA_NAME_VALUEs.
1053         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
1054         * tree-flow.h (threadedge_initialize_values): Declare.
1055         (threadedge_finalize_values): Likewise.
1056         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
1057         (SSA_NAME_VALUE): Define.
1058         (threadedge_initialize_values): New function.
1059         (threadedge_finalize_values): Likewise.
1060         * tree-ssa-dom.c (ssa_name_values): New global variable.
1061         (SSA_NAME_VALUE): Define.
1062         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
1063
1064 2009-04-28  Ira Rosen  <irar@il.ibm.com>
1065
1066         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
1067         Use REPORT_VECTORIZED_LOCATIONS instead
1068         REPORT_VECTORIZED_LOOPS.
1069         * tree-vectorizer.c (vect_verbosity_level): Make static.
1070         (vect_loop_location): Rename to vect_location.
1071         (vect_set_verbosity_level): Update comment.
1072         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
1073         and vect_location.
1074         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
1075         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
1076         instead REPORT_UNVECTORIZED_LOOPS.
1077         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
1078         vect_loop_def to vect_external_def and vect_internal_def.
1079         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
1080         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
1081         REPORT_UNVECTORIZED_LOCATIONS.
1082         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
1083         and vect_used_in_loop and to vect_unused_in_scope and
1084         vect_used_in_scope.
1085         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
1086         (vect_verbosity_level): Remove declaration.
1087         (vect_analyze_operations): Likewise.
1088         (vect_analyze_stmt): Declare.
1089         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
1090         REPORT_UNVECTORIZED_LOCATIONS.
1091         (vect_get_loop_niters): Fix indentation.
1092         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
1093         (vect_analyze_loop_operations): New function.
1094         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
1095         vect_analyze_operations.
1096         (vect_is_simple_reduction): Use new names.
1097         (vectorizable_live_operation, vect_transform_loop): Likewise.
1098         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
1099         specify whether the data references can be a part of interleaving chain.
1100         (vect_analyze_data_ref_dependence): Use new names.
1101         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
1102         (vect_create_addr_base_for_vector_ref): Remove redundant code.
1103         * tree-vect-patterns.c (widened_name_p): Use new names.
1104         (vect_recog_dot_prod_pattern): Likewise.
1105         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
1106         (process_use, vect_mark_stmts_to_be_vectorized,
1107         vect_model_simple_cost, vect_model_store_cost,
1108         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
1109         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1110         vectorizable_operation, vectorizable_type_demotion,
1111         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
1112         vectorizable_condition): Likewise.
1113         (vect_analyze_operations): Split into vect_analyze_loop_operations
1114         and ...
1115         (vect_analyze_stmt): ... new function.
1116         (new_stmt_vec_info): Use new names.
1117         (vect_is_simple_use): Use new names and fix comment.
1118         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
1119         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
1120
1121 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
1122
1123         PR target/39911
1124         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
1125         and integer modes for x87 operands.  Do not ICE for unsupported size,
1126         generate error instead.  Generate error for unsupported operand types.
1127         ['z']: Do not handle HImode memory operands specially.  Warning
1128         for floating-point operands.  Fallthru to 'Z' for unsupported operand
1129         types.  Do not ICE for unsupported size, generate error instead.
1130         (output_387_binary_op): Use %Z to output operands.
1131         (output_fp_compare): Ditto.
1132         (output_387_reg_move): Ditto.
1133
1134 2009-04-28  Ben Elliston  <bje@au.ibm.com>
1135
1136         PR c++/35652
1137         Revert:
1138
1139         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1140
1141         * builtins.c (c_strlen): Do not warn here.
1142         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
1143         * c-common.c (pointer_int_sum): Take an explicit location.
1144         Warn about offsets out of bounds.
1145         * c-common.h (pointer_int_sum): Adjust declaration.
1146
1147 2009-04-27  Ian Lance Taylor  <iant@google.com>
1148
1149         * collect2.c (is_ctor_dtor): Change type of ret field in struct
1150         names to symkind.
1151         * dce.c (run_fast_df_dce): Change type of old_flags to int.
1152         * df-core.c (df_set_flags): Change return type to int.  Change
1153         type of old_flags to int.
1154         (df_clear_flags): Likewise.
1155         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
1156         (df_get_conditional_uses): Likewise.
1157         * df.h (df_set_flags, df_clear_flags): Update declarations.
1158         * dwarf2out.c (struct indirect_string_node): Change type of form
1159         field to enum dwarf_form.
1160         (AT_string_form): Change return type to enum dwarf_form.
1161         * fixed-value.c (fixed_compare): Add cast to enum type.
1162         * fwprop.c (update_df): Change 0 to VOIDmode.
1163         * gensupport.c: Change 0 to UNKNOWN.
1164         * gimple.h (gimple_cond_code): Add cast to enum type.
1165         * haifa-sched.c (reemit_notes): Add cast to enum type.
1166         * hooks.c (hook_int_void_no_regs): Remove function.
1167         * hooks.h (hook_int_void_no_regs): Remove declaration.
1168         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
1169         * predict.c (combine_predictions_for_insn): Add casts to enum type.
1170         * real.c (real_arithmetic): Add cast to enum type.
1171         (real_compare): Likewise.
1172         * target.h (struct gcc_target): Change return type of
1173         branch_target_register_class to enum reg_class.
1174         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
1175         default_branch_target_register_class.
1176         * targhooks.c (default_branch_target_register_class): New function.
1177         * targhooks.h (default_branch_target_register_class): Declare.
1178         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
1179         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
1180         cast to int.
1181         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
1182         ERROR_MARK.
1183         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
1184         vect_uninitialized_def.  Change 0 to ERROR_MARK.
1185         * tree-vect-stmts.c (supportable_widening_operation): Don't
1186         initialize icode1 and icode2.
1187         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
1188         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
1189         and to STD_C89.
1190         (cmn_err_flag_specs): Change 0 to STD_C89.
1191         (cmn_err_char_table): Likewise.
1192         * config/arm/arm.c (get_arm_condition_code): Change type of code
1193         to enum arm_cond_code.
1194         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
1195         (IWMMXT_BUILTIN2): Likewise.
1196         (neon_builtin_type_bits): Don't define typedef.
1197         (neon_builtin_datum): Change type of bits field to int.
1198         (arm_expand_neon_args): Add cast to enum type.
1199         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
1200         TLS_MODEL_NONE.
1201         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
1202         casts to enum type.
1203         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
1204         MIPS_FP_COND_f.
1205         * config/mips/mips.md (jal_macro): Return enum constant.
1206         (single_insn): Likewise.
1207         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
1208         CODE_FOR_nothing.
1209         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1210         casts to enum type.
1211         * config/s390/s390.c (s390_tune_flags): Change type to int.
1212         (s390_arch_flags): Likewise.
1213         (s390_handle_arch_option): Change flags field of struct pta to int.
1214         * config/s390/s390.h (s390_tune_flags): Update declaration.
1215         (s390_arch_flags): Likewise.
1216         * config/sh/sh.c (prepare_move_operands): Compare
1217         tls_symbolic_operand result with enum constant.
1218         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
1219         (sh_expand_prologue): Add cast to enum type.
1220         (sh_expand_epilogue): Likewise.
1221         (tls_symbolic_operand): Change return type to enum tls_model.
1222         (fpscr_set_from_mem): Add cast to enum type.
1223         (legitimize_pic_address): Compare tls_symbolic_operand result with
1224         enum constant.
1225         (sh_target_reg_class): Change return type to enum reg_class.
1226         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
1227         PROCESSOR_xxx.
1228         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
1229         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
1230         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
1231         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
1232         (delayed_branch, tls_call_delay): Likewise.
1233         (eligible_for_sibcall_delay): Likewise.
1234         (eligible_for_return_delay): Likewise.
1235         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
1236         (spu_expand_builtin_1): Likewise.
1237
1238         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
1239         for all types of conversions.
1240         (output_init_element): Issue -Wc++-compat warning if needed when
1241         initializing a bitfield with enum type.
1242         * c-parser.c (c_parser_expression): Set original_type to
1243         original_type of right hand operand of comman operator.
1244
1245 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1246
1247         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
1248         grammar nits.
1249         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
1250         * doc/cpp.texi (Standard Predefined Macros)
1251         (Implementation-defined behavior): Likewise.
1252         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
1253         * doc/gimple.texi (GIMPLE Exception Handling)
1254         (@code{GIMPLE_ASSIGN}): Likewise.
1255         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
1256         * doc/invoke.texi (Warning Options, Optimize Options)
1257         (AVR Options, Darwin Options): Likewise.
1258         (Optimize Options): Reformulate -fwhole-program description.
1259         * doc/loop.texi (Lambda): Likewise.
1260         * doc/md.texi (Output Template, Define Constraints)
1261         (Standard Names, Insn Splitting): Likewise.
1262         * doc/options.texi (Option properties): Likewise.
1263         * doc/passes.texi (Tree-SSA passes): Likewise.
1264         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
1265         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
1266         (File Names and DBX): Likewise.
1267         * doc/trouble.texi (Incompatibilities): Likewise.
1268
1269 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1270
1271         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
1272         instruction is correct.
1273
1274 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1275
1276         Allow non-constant arguments to conversion intrinsics.
1277         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
1278         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
1279         * spu.c (print_operand): Handle 'v' and 'w'.
1280         (exp2_immediate_p, spu_gen_exp2): Define.
1281         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
1282         spu_convtf_1): Update parameter descriptions.
1283         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
1284         * constraints.md ('v', 'w'): New.
1285         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
1286         Remove.
1287         (i2f, I2F): New define_mode_attr.
1288         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
1289         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
1290         fixuns_truncv4sfv4si2):  Update to use mode attribute.
1291         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
1292         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
1293         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
1294         patterns for combine.
1295
1296 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
1297
1298         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
1299         (cprop, hoist, pre, store_motion): New debug counters.
1300         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
1301         is not an RTL pass anymore.
1302         (pass_profiling): Remove extern decl for pass removed in 2005.
1303         (pass_gcse, pass_jump_bypass): Remove.
1304         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
1305         to 0 for clean state.
1306         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
1307         * cse.c (gate_handle_cse_after_global_opts,
1308         rest_of_handle_cse_after_global_opts): New functions.
1309         (pass_cse_after_global_opts): New pass, does local CSE.
1310         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
1311         (TV_CPROP): New timevar.
1312         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
1313         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
1314         (gcse_main, recompute_all_luids): Remove.
1315         (compute_hash_table_work): Call max_reg_num instead of reading
1316         max_gcse_regno.
1317         (cprop_jump): Don't set run_jump_opt_after_gcse.
1318         (constprop_register): Always allow to alter jumps.
1319         (cprop_insn): Likewise.
1320         (do_local_cprop): Likewise.
1321         (local_cprop_pass): Likewise.  Return non-zero if something changed.
1322         (cprop): Remove function, fold interesting bits into one_cprop_pass.
1323         (find_implicit_sets): Add note about missed optimization opportunity.
1324         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
1325         pass_rtl_cprop execute function.
1326         Don't bother tracking the pass number, each pass gets its own dumpfile
1327         now anyway.
1328         Always allow to alter jumpsand bypass jumps.
1329         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
1330         will just find no suitable set.
1331         (pre_edge_insert): Fix dumping, this function is for PRE only.
1332         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
1333         pass_rtl_pre execute function.
1334         (hoist_code): Return non-zero if something changed.  Keep track of
1335         substitutions and insertions for statistics gathering similar to PRE.
1336         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
1337         called from the pass_rtl_hoist execute function.  Show pass statistics.
1338         (compute_store_table): Use max_reg_num directly instead of using the
1339         formerly global max_gcse_regno.
1340         (build_store_vectors): Likewise.
1341         (replace_store_insn): Fix dumping.
1342         (store_motion): Rename to ...
1343         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
1344         pass, called from the pass_rtl_store_motion execute function.  Keep
1345         track of substitutions and insertions for statistics gathering similar
1346         to PRE.
1347         (bypass_jumps): Remove, fold interesting bits into ...
1348         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
1349         from the pass_rtl_cprop execute function.
1350         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1351         pass_jump_bypass): Remove.
1352         (gate_handle_gcse, rest_of_handle_gcse): Remove.
1353         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
1354         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
1355         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
1356         (gate_rtl_store_motion, execute_rtl_store_motion,
1357         pass_rtl_store_motion): New.
1358         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
1359         make it clear that -fcse-skip-blocks is a no-op for backward compat.
1360         * passes.c (init_optimization_passes): Remove pass_gcse and
1361         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
1362         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
1363         instead of pass_jump_bypass.
1364
1365 2009-04-27  Richard Guenther  <rguenther@suse.de>
1366
1367         PR middle-end/39928
1368         * gimplify.c (gimplify_expr): If we are required to create
1369         a temporary make sure it ends up as register.
1370
1371 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1372
1373         PR target/39903
1374         * config/i386/i386.c (construct_container): Don't call
1375         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
1376         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
1377
1378 2009-04-27  Michael Matz  <matz@suse.de>
1379
1380         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
1381         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
1382         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
1383         (dump_replaceable_exprs): Take a bitmap.
1384         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
1385         array.
1386         (expand_gimple_basic_block): Likewise.
1387         * tree-ssa-ter.c (struct temp_expr_table_d): Make
1388         replaceable_expressions member a bitmap.
1389         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
1390         (mark_replaceable): Likewise.
1391         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
1392         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
1393
1394 2009-04-27  Richard Guenther  <rguenther@suse.de>
1395
1396         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
1397         (verify_stmts): Dispatch to gimple/type verification code.
1398         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
1399         issue with call argument types.
1400
1401 2009-04-27  Michael Matz  <matz@suse.de>
1402
1403         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
1404         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
1405         to above.
1406
1407 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
1408             Eric Botcazou  <ebotcazou@adacore.com>
1409
1410         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
1411         a label's basic block.
1412         (mark_target_live_regs): Tidy and rework obsolete comments.
1413         Change back DF problem to LIVE.  If a label starts a basic block,
1414         assume that all registers that used to be live then still are.
1415         (init_resource_info): If a label starts a basic block, set its
1416         BLOCK_FOR_INSN accordingly.
1417         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
1418
1419 2009-04-27  Richard Guenther  <rguenther@suse.de>
1420
1421         * tree-flow-inline.h (function_ann): Remove.
1422         (get_function_ann): Likewise.
1423         * tree-dfa.c (create_function_ann): Remove.
1424         * tree-flow.h (struct static_var_ann_d): Remove.
1425         (struct function_ann_d): Likewise.
1426         (union tree_ann_d): Remove fdecl member.
1427         (function_ann_t): Remove.
1428         (function_ann, get_function_ann, create_function_ann): Remove
1429         declarations.
1430
1431 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
1432
1433         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
1434
1435 2009-04-27  Jan Hubicka  <jh@suse.cz>
1436
1437         * ipa-pure-const.c (struct funct_state_d): New fields
1438         state_previously_known, looping_previously_known; remove
1439         state_set_in_source.
1440         (analyze_function): Use new fields.
1441         (propagate): Avoid assumption that state_set_in_source imply
1442         nonlooping.
1443
1444         * tree-ssa-loop-niter.c (finite_loop_p): New function.
1445         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
1446         * cfgloop.h (finite_loop_p): Declare.
1447
1448 2009-04-26  Michael Matz  <matz@suse.de>
1449
1450         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
1451
1452 2009-04-26  Michael Matz  <matz@suse.de>
1453
1454         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
1455         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
1456         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
1457         pass_mark_used_blocks): Remove.
1458         * tree-optimize.c (pass_free_datastructures,
1459         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
1460         * passes.c (init_optimization_passes): Don't call
1461         pass_mark_used_blocks, remove dead code.
1462
1463 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
1464
1465         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
1466         * tree-ssa-live.h (register_ssa_partition): Likewise.
1467
1468 2009-04-26  Michael Matz  <matz@suse.de>
1469
1470         Expand from SSA.
1471         * builtins.c (fold_builtin_next_arg): Handle SSA names.
1472         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
1473         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
1474         SSA names.
1475         (compare_pairs): Swap cost comparison.
1476         (coalesce_ssa_name): Don't use change_partition_var.
1477         * tree-nrv.c (struct nrv_data): Add modified member.
1478         (finalize_nrv_r): Set it.
1479         (tree_nrv): Use it to update statements.
1480         (pass_nrv): Require PROP_ssa.
1481         * tree-mudflap.c (mf_decl_cache_locals,
1482         mf_build_check_statement_for): Use make_rename_temp.
1483         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
1484         * alias.c (find_base_decl): Handle SSA names.
1485         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
1486         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
1487         * rtl.h (set_reg_attrs_for_parm): Declare.
1488         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
1489         to "optimized", remove unused locals at finish.
1490         (execute_free_datastructures): Make global, call
1491         delete_tree_cfg_annotations.
1492         (execute_free_cfg_annotations): Don't call
1493         delete_tree_cfg_annotations.
1494
1495         * ssaexpand.h: New file.
1496         * expr.c (toplevel): Include ssaexpand.h.
1497         (expand_assignment): Handle SSA names the same as register variables.
1498         (expand_expr_real_1): Expand SSA names.
1499         * cfgexpand.c (toplevel): Include ssaexpand.h.
1500         (SA): New global variable.
1501         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
1502         (SSAVAR): New macro.
1503         (set_rtl): New helper function.
1504         (add_stack_var): Deal with SSA names, use set_rtl.
1505         (expand_one_stack_var_at): Likewise.
1506         (expand_one_stack_var): Deal with SSA names.
1507         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
1508         before unique numbers.
1509         (expand_stack_vars): Use set_rtl.
1510         (expand_one_var): Accept SSA names, add asserts for them, feed them
1511         to above subroutines.
1512         (expand_used_vars): Expand all partitions (without default defs),
1513         then only the local decls (ignoring those expanded already).
1514         (expand_gimple_cond): Remove edges when jumpif() expands an
1515         unconditional jump.
1516         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
1517         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
1518         SSA name.
1519         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
1520         members of SA; deal with PARM_DECL partitions here; expand
1521         all PHI nodes, free tree datastructures and SA.  Commit instructions
1522         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
1523         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
1524         info and statements at start, collect garbage at finish.
1525         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
1526         (VAR_ANN_PARTITION) Remove.
1527         (change_partition_var): Don't declare.
1528         (partition_to_var): Always return SSA names.
1529         (var_to_partition): Only accept SSA names.
1530         (register_ssa_partition): Only check argument.
1531         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
1532         member.
1533         (delete_var_map): Don't free it.
1534         (var_union): Only accept SSA names, simplify.
1535         (partition_view_init): Mark only useful SSA names as used.
1536         (partition_view_fini): Only deal with SSA names.
1537         (change_partition_var): Remove.
1538         (dump_var_map): Use ssa_name instead of partition_to_var member.
1539         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
1540         basic blocks.
1541         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
1542         (struct _elim_graph): New member const_dests; nodes member vector of
1543         ints.
1544         (set_location_for_edge): New static helper.
1545         (create_temp): Remove.
1546         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
1547         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
1548         (new_elim_graph): Allocate const_dests member.
1549         (clean_elim_graph): Truncate const_dests member.
1550         (delete_elim_graph): Free const_dests member.
1551         (elim_graph_size): Adapt to new type of nodes member.
1552         (elim_graph_add_node): Likewise.
1553         (eliminate_name): Likewise.
1554         (eliminate_build): Don't take basic block argument, deal only with
1555         partition numbers, not variables.
1556         (get_temp_reg): New static helper.
1557         (elim_create): Use it, deal with RTL temporaries instead of trees.
1558         (eliminate_phi): Adjust all calls to new signature.
1559         (assign_vars, replace_use_variable, replace_def_variable): Remove.
1560         (rewrite_trees): Only do checking.
1561         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
1562         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
1563         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
1564         contains_tree_r, MAX_STMTS_IN_LATCH,
1565         process_single_block_loop_latch, analyze_edges_for_bb,
1566         perform_edge_inserts): Remove.
1567         (expand_phi_nodes): New global function.
1568         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
1569         functions, initialize new parameter, remember partitions having a
1570         default def.
1571         (finish_out_of_ssa): New global function.
1572         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
1573         don't reset in_ssa_p here, don't disable TER when mudflap.
1574         (pass_del_ssa): Remove.
1575         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
1576         partition members.
1577         (execute_free_datastructures): Declare.
1578         * Makefile.in (SSAEXPAND_H): New variable.
1579         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
1580         * basic-block.h (commit_one_edge_insertion): Declare.
1581         * passes.c (init_optimization_passes): Move pass_nrv and
1582         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
1583         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
1584         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
1585         (redirect_branch_edge): Deal with super block when expanding, split
1586         out jump patching itself into ...
1587         (patch_jump_insn): ... here, new static helper.
1588
1589 2009-04-26  Michael Matz  <matz@suse.de>
1590
1591         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
1592         beyond num_ssa_names.
1593         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
1594         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
1595
1596 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR inline-asm/39543
1599         * fwprop.c (forward_propagate_asm): New function.
1600         (forward_propagate_and_simplify): Propagate also into __asm, if it
1601         doesn't increase the number of referenced registers.
1602
1603         PR c/39889
1604         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
1605
1606 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1607
1608         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
1609         note_nonlocal_vla_type for nonlocal VLAs.
1610         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
1611         contains_remapped_vars, remap_vla_decls): New functions.
1612         (convert_nonlocal_reference_stmt): If not optimizing, call
1613         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
1614         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
1615         if it wasn't found in var_map.
1616         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
1617         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
1618         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
1619         declare_vars.
1620         * gimplify.c (nonlocal_vlas): New variable.
1621         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
1622         referenced VLAs.
1623         (gimplify_body): Create and destroy nonlocal_vlas.
1624
1625         * dwarf2out.c (loc_descr_plus_const): New function.
1626         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
1627         mem_loc_descriptor, loc_descriptor_from_tree_1,
1628         descr_info_loc, gen_variable_die): Use it.
1629
1630         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
1631         !TREE_STATIC VAR_DECLs.
1632         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
1633         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
1634         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
1635         DECL_BY_REFERENCE is valid.
1636         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
1637         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
1638         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
1639         Copy DECL_BY_REFERENCE.
1640         (struct nesting_copy_body_data): New type.
1641         (nesting_copy_decl): New function.
1642         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
1643         if they have variable length.
1644
1645 2009-04-26  Michael Matz  <matz@suse.de>
1646
1647         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
1648         mark new temporaries for renaming.
1649
1650 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1651
1652         PR c/39581
1653         * c-decl.c (global_bindings_p): Return negative value.
1654         (c_variable_size): New.  Based on variable_size from
1655         stor-layout.c.
1656         (grokdeclarator): Call c_variable_size not variable_size.
1657
1658 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
1659
1660         * config/i386/i386.c (print_operand) ['z']: Fix typo.
1661
1662 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
1663
1664         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
1665         Redefine it to just use mingw/include.
1666         (ASM_SPEC): Rules for -m32 and -m64.
1667         (LINK_SPEC): Use Likewise.
1668         (SPEC_32): New define.
1669         (SPEC_64): Likewise.
1670         (SUB_LINK_SPEC): Likewise.
1671         (MULTILIB_DEFAULTS): New define.
1672         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
1673         Add multilib options.
1674         (MULTILIB_DIRNAMES): Likewise.
1675         (MULTILIB_OSDIRNAMES): Likewise.
1676         (LIBGCC): Likewise.
1677         (INSTALL_LIBGCC): Likewise.
1678
1679 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
1680
1681         PR c/39556
1682         * c-tree.h (enum c_inline_static_type): New.
1683         (record_inline_static): Declare.
1684         * c-decl.c (struct c_inline_static, c_inline_statics,
1685         record_inline_static, check_inline_statics): New.
1686         (pop_file_scope): Call check_inline_statics.
1687         (start_decl): Call record_inline_static instead of pedwarning
1688         directly for static in inline function.
1689         * c-typeck.c (build_external_ref): Call record_inline_static
1690         instead of pedwarning directly for static referenced in inline
1691         function.
1692
1693 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
1694
1695         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
1696         not new but only being rescanned.
1697         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
1698         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
1699         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
1700         record_set_info, compute_set, grealloc): Remove.
1701         (recompute_all_luids): New function.
1702         (gcse_main): Don't compute sets, and don't do related memory
1703         allocations/free-ing.  If something changed before the end of the
1704         pass, update LUIDs using recompute_all_luids.
1705         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
1706         (free_gcse_mem): Don't free it either.
1707         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
1708         Use the df insn LUIDs.
1709         (load_killed_in_block): Likewise.
1710         (compute_hash_table_work): Don't compute reg_set_in_block.
1711         (compute_transp): Use DF_REG_DEF_CHAINs.
1712         (local_cprop_pass): Don't use compute_sets and related functions.
1713         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
1714         Use get_max_uid() instead of max_cuid.
1715         (insert_insn_end_basic_block, pre_insert_copy_insn,
1716         update_ld_motion_stores): Don't try to
1717         keep reg_set tables up to date.
1718         (pre_insert_copies): Use df insn LUIDs.
1719         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
1720         (reg_set_info): Don't use extra bitmap argument.
1721         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
1722         information to compute regs_set_in_block.
1723         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
1724         (bypass_jumps): Don't use compute_sets and friends.
1725
1726 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1727
1728         PR testsuite/39710
1729         * opts.c (undocumented_msg): Do not leave blank even with
1730         ENABLE_CHECKING.
1731
1732 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1733
1734         * c-decl.c (build_enumerator): Allow values folding to integer
1735         constants but not integer constant expressions with a pedwarn if
1736         pedantic.
1737
1738 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1739
1740         PR c/39582
1741         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
1742         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
1743         type is an integer constant.
1744
1745 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1746
1747         PR target/39897
1748         * config/i386/i386.c (print_operand) ['z']: Revert handling of
1749         HImode operands.
1750
1751 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
1752
1753         PR c/39564
1754         * c-decl.c (grokdeclarator): Diagnose declarations of functions
1755         with variably modified return type and no storage class
1756         specifiers, except for the case of nested functions.  Distinguish
1757         extern declarations of functions with variably modified return
1758         types from those of objects with variably modified types.
1759
1760 2009-04-25  Jan Hubicka  <jh@suse.cz>
1761
1762         * tree.c (list_equal_p): New function.
1763         * tree.h (list_equal_p): Declare.
1764         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1765         basic_block_def, basic_block, const_basic_block): New.
1766         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
1767         (redirect_eh_edge): New function.
1768         (make_eh_edge_update_phi): EH edges are not abnormal.
1769         * except.c: Include tree-flow.h.
1770         (list_match): New function.
1771         (eh_region_replaceable_by_p): New function.
1772         (replace_region): New function.
1773         (hash_type_list): New function.
1774         (hash_eh_region): New function.
1775         (eh_regions_equal_p): New function.
1776         (merge_peers): New function.
1777         (remove_unreachable_regions): Verify EH tree when checking;
1778         merge peers.
1779         (copy_eh_region_1): New function.
1780         (copy_eh_region): New function.
1781         (push_reachable_handler): New function.
1782         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
1783         regions without label but with live RESX.
1784         * except.h (redirect_eh_edge_to_label): New.
1785         * tree-flow.h (redirect_eh_edge): New.
1786         * coretypes.h (edge_def, edge, const_edge, basic_block_def
1787         basic_block_def, basic_block, const_basic_block): Remove.
1788         * Makefile.in (except.o): Add dependency on tree-flow.h
1789         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
1790         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
1791         Remove.
1792
1793 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
1794
1795         PR bootstrap/39645
1796         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
1797         on the destination of memcpy.
1798
1799 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
1800
1801         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
1802         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
1803         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
1804
1805 2009-04-25  Jan Hubicka  <jh@suse.cz>
1806
1807         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
1808         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
1809         to be reached by different label than left.
1810         (update_eh_edges): Update comment; remove edge_to_remove if possible
1811         and return true if suceeded.
1812         (cleanup_empty_eh): Accept sharing map; handle shared regions.
1813         (cleanup_eh): Compute sharing map.
1814         * except.c (remove_eh_handler_and_replace): Add argument if we should
1815         update regions.
1816         (remove_unreachable_regions): Update for label sharing.
1817         (label_to_region_map): Likewise.
1818         (get_next_region_sharing_label): New function.
1819         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
1820         prev_try pointers.
1821         (remove_eh_handler): Update.
1822         (remove_eh_region_and_replace_by_outer_of): New function.
1823         * except.h (struct eh_region): Add next_region_sharing_label.
1824         (remove_eh_region_and_replace_by_outer_of,
1825         get_next_region_sharing_label): Declare.
1826         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
1827
1828 2009-04-25  Jan Hubicka  <jh@suse.cz>
1829
1830         * tree-cfg.c (split_critical_edges): Split also edges where we can't
1831         insert code even if they are not critical.
1832
1833 2009-04-25  Jan Hubicka  <jh@suse.cz>
1834
1835         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1836         (gimple_can_remove_branch_p): EH edges won't remove branch by
1837         redirection.
1838         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
1839         updating of non-abnormal EH edges.
1840         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
1841         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
1842         (split_critical_edges): Split also edges where emitting code on them
1843         will lead to splitting later.
1844
1845 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
1846             H.J. Lu  <hongjiu.lu@intel.com>
1847
1848         PR target/39590
1849         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
1850         the configured assembler supports fildq and fistpq mnemonics.
1851         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
1852         * configure: Regenerated.
1853         * config.in: Ditto.
1854
1855         * config/i386/i386.c (print_operand): Handle 'Z'.
1856         ['z']: Remove handling of special fild/fist suffixes.
1857         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
1858         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
1859         suffix of fild insn.
1860         (*floatsi<mode>2_vector_mixed): Ditto.
1861         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
1862         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
1863         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
1864         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
1865         * config/i386/gas.h (GAS_MNEMONICS): Remove.
1866
1867 2009-04-25  Ben Elliston  <bje@au.ibm.com>
1868
1869         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
1870         the source of a set operation.
1871
1872 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
1873
1874         * target.h (struct gcc_target): Add case_values_threshold field.
1875         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
1876         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
1877         * targhooks.c (default_case_values_threshold): New function.
1878         * targhooks.h (default_case_values_threshold): Declare function.
1879         * stmt.c (expand_case): Use case_values_threshold target hook.
1880         * expr.h (case_values_threshold): Remove declartation.
1881         * expr.c (case_values_threshold): Remove function.
1882         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
1883
1884         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
1885         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1886         (avr_case_values_threshold): Declare as static.
1887         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
1888
1889         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
1890         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
1891         (mn10300_case_values_threshold): New function.
1892
1893 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1894
1895         * ira.c (setup_cover_and_important_classes): Add enum cast.
1896
1897 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
1898
1899         * genpreds.c (write_enum_constraint_num): Output definition of
1900         CONSTRAINT_NUM_DEFINED_P macro.
1901         * ira.c (setup_cover_and_important_classes): Use
1902         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
1903
1904 2009-04-24  DJ Delorie  <dj@redhat.com>
1905
1906         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
1907         __SH2A_SINGLE_ONLY__ also.
1908
1909 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
1910
1911         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
1912         (movdf_internal): Ditto.
1913         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
1914         SFmode and DFmode constants.
1915         (ia64_print_operand): Add 'G' format for printing
1916         floating point constants.
1917
1918 2009-04-24  Richard Guenther  <rguenther@suse.de>
1919
1920         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
1921         from unsigned additions.
1922
1923 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
1924
1925         * c-typeck.c (set_init_index): Allow array designators that are
1926         not integer constant expressions with a pedwarn if pedantic.
1927
1928 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1929
1930         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
1931         zero if no overlap in nonzero bits between the operands.
1932
1933 2009-04-24  Ian Lance Taylor  <iant@google.com>
1934
1935         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
1936         (record_dead_and_set_regs): Likewise.
1937         * df.h (struct df_mw_hardreg): Change flags field to int.
1938         (struct df_base_ref): Likewise.
1939         (struct df): Change changeable_flags field to int.
1940         * df-scan.c (df_defs_record): Change clobber_flags to int.
1941         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
1942         constants rather than #define macros.
1943         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
1944         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
1945         (enum dwarf_calling_convention): Likewise.
1946         (enum dwarf_line_number_x_ops): Likewise.
1947         (enum dwarf_call_frame_info): Likewise.
1948         (enum dwarf_source_language): Likewise.
1949         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
1950         (add_calling_convention_attribute): Likewise.
1951         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
1952         (combine_comparisons): Change compcode to int.  Add cast to enum type.
1953         * genrecog.c (maybe_both_true_2): Change c to int.
1954         (write_switch): Likewise.  Add cast to enum type.
1955         * gimplify.c (gimplify_omp_for): Handle return values from
1956         gimplify_expr using MIN rather than bitwise or.
1957         (gimplify_expr): Add cast to enum type.
1958         * ipa-prop.c (update_jump_functions_after_inlining): Change
1959         IPA_BOTTOM to IPA_JF_UNKNOWN.
1960         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
1961         Add casts to enum type.
1962         (setup_cover_and_important_classes): Change cl to int.  Add casts
1963         to enum type.
1964         (setup_class_translate): Change cl and mode to int.
1965         (ira_init_once): Change mode to int.
1966         (free_register_move_costs): Likewise.
1967         (setup_prohibited_mode_move_regs): Add casts to enum type.
1968         * langhooks.c (add_builtin_function_common): Rework assertion that
1969         value fits bitfield.
1970         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
1971         * omega.c (omega_do_elimination): Avoid math on enum types.
1972         * optabs.c (expand_vec_shift_expr): Remove casts to int.
1973         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
1974         int local to handle integral_argment value.
1975         * regmove.c (try_auto_increment): Change PUT_MODE to
1976         PUT_REG_NOTE_KIND.
1977         * reload.c (push_secondary_reload): Add casts to enum type.
1978         (secondary_reload_class, find_valid_class): Likewise.
1979         * reload1.c (emit_input_reload_insns): Likewise.
1980         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
1981         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
1982         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
1983         constant.
1984         * tree.c (build_common_builtin_nodes): Add casts to enum type.
1985         * tree-complex.c (complex_lattice_t): Typedef to int rather than
1986         enum type.
1987         (expand_complex_libcall): Add casts to enum type.
1988         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
1989         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
1990         with ERROR_MARK, not NUM_TREE_CODES.
1991         (vect_create_epilog_for_reduction): Likewise.
1992         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
1993         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
1994         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
1995         enum machine_mode.
1996         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
1997         vect_unused_in_loop.  Change 0 to loop_vect.
1998         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
1999         * var-tracking.c (get_init_value): Change return type to enum
2000         var_init_status.
2001         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
2002         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
2003         arm_fp_model.
2004         (arm_override_options): Add casts to enum type.
2005         (arm_emit_tls_decoration): Likewise.
2006         * config/i386/i386.c (ix86_function_specific_restore): Add casts
2007         to enum type.
2008         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
2009         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
2010         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
2011         enum type.
2012         * config/s390/s390.c (code_for_builtin_64): Change to array of
2013         enum insn_code.
2014         (code_for_builtin_31): Likewise.
2015         (s390_expand_builtin): Change code_for_builtin to enum insn_code
2016         const *.
2017         * config/sparc/sparc.c (sparc_override_options): Change value
2018         field in struct code_model to enum cmodel.  In initializer change
2019         0 to NULL and add cast to enum type.
2020
2021         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
2022         Change all callers.  Issue a -Wc++-compat warning using
2023         lhs_origtype if necessary.
2024         (convert_for_assignment): Issue -Wc++-compat warnings about
2025         invalid conversions to enum type on assignment.
2026         * c-common.h (build_modify_expr): Update declaration.
2027
2028 2009-04-24  Nick Clifton  <nickc@redhat.com>
2029
2030         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
2031         (function_arg_advance): Likewise.
2032         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
2033         5th alternative.
2034
2035 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2036
2037         * config/s390/constraints.md ('I', 'J'): Fix condition.
2038
2039 2009-04-24  Diego Novillo  <dnovillo@google.com>
2040
2041         * gengtype-parse.c (parse_error): Add newline after message.
2042
2043 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
2044
2045         * config/i386/sse.md (avxmodesuffixs): Removed.
2046         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
2047         (*avx_pinsr<ssevecsize>): This.
2048
2049 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2050
2051         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
2052         follow chains of regs with a single definition, and allow expressions
2053         that are function_invariant_p.
2054         (simple_rhs_p): Allow expressions that are function_invariant_p.
2055
2056 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
2057
2058         PR middle-end/39867
2059         * fold-const.c (fold_cond_expr_with_comparison): When folding
2060         > and >= to MAX, make sure the MAX uses the same type as the
2061         comparison's operands.
2062
2063 2009-04-24  Nick Clifton  <nickc@redhat.com>
2064
2065         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
2066         addressing for DImode accesses.
2067         (frv_print_operand_address): Handle PLUS case.
2068         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
2069
2070 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
2071
2072         PR rtl-optimization/39794
2073         * alias.c (canon_true_dependence): Add x_addr argument.
2074         * rtl.h (canon_true_dependence): Adjust prototype.
2075         * cse.c (check_dependence): Adjust canon_true_dependence callers.
2076         * cselib.c (cselib_invalidate_mem): Likewise.
2077         * gcse.c (compute_transp): Likewise.
2078         * dse.c (scan_reads_nospill): Likewise.
2079         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
2080         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
2081         canon_base_addr of the group, plus optional offset.
2082         (struct group_info): Rename canon_base_mem to
2083         canon_base_addr.
2084         (get_group_info): Set canon_base_addr to canon_rtx of base, not
2085         canon_rtx of base_mem.
2086
2087 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
2088
2089         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
2090         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
2091
2092 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2093
2094         * config/spu/spu-builtins.h: Delete file.
2095
2096         * config/spu/spu.h (enum spu_builtin_type): Move here from
2097         spu-builtins.h.
2098         (struct spu_builtin_description): Likewise.  Add GTY marker.
2099         Do not use enum spu_function_code or enum insn_code.
2100         (spu_builtins): Add extern declaration.
2101
2102         * config/spu/spu.c: Do not include "spu-builtins.h".
2103         (enum spu_function_code, enum spu_builtin_type_index,
2104         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
2105         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
2106         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
2107         unsigned_V2DI_type_node): Move here from spu-builtins.h.
2108         (spu_builtin_types): Make static.  Add GTY marker.
2109         (spu_builtins): Add extern declaration with GTY marker.
2110         Include "gt-spu.h".
2111
2112         * config/spu/spu-c.c: Do not include "spu-builtins.h".
2113         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
2114         Check programmatically whether all parameters are scalar.
2115
2116         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2117
2118 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2119
2120         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
2121         assignment from the constructor either if the target is volatile.
2122
2123 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
2124
2125         * config/arm/arm.md (insv): Do not share operands[0].
2126
2127 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2128
2129         * config/vxlib-tls.c (active_tls_threads): Delete.
2130         (delete_hook_installed): New.
2131         (tls_delete_hook): Don't delete the delete hook.
2132         (tls_destructor): Delete it here.
2133         (__gthread_set_specific): Adjust installing the delete hook.
2134         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
2135         __gthread_leave_tsd_dtor_context.
2136
2137 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
2138
2139         * c-format.c (gcc_tdiag_char_table): Add support for %E.
2140
2141 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
2142
2143         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
2144         enum type.
2145         (alpha_rtx_costs): Ditto.
2146         (emit_unlikely_jump): Use add_reg_note.
2147         (emit_frame_store_1): Ditto.
2148         (alpha_expand_prologue): Ditto.
2149         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2150         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
2151
2152 2009-04-23  Nick Clifton  <nickc@redhat.com>
2153
2154         * config/v850/v850.md (epilogue): Remove suppressed code.
2155         (return): Rename to return_simple and remove test of frame size.
2156         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
2157         to gen_return_simple.
2158
2159 2009-04-22  Jing Yu  <jingyu@google.com>
2160
2161         PR testsuite/39781
2162         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2163
2164 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2165
2166         PR C/31499
2167         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
2168         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
2169         value is a VECTOR_CST, the element type is the element type of the
2170         vector.
2171
2172 2009-04-22  DJ Delorie  <dj@redhat.com>
2173
2174         * config/m32c/m32c.h: Update GTY annotations to new syntax.
2175
2176 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
2177
2178         * alias.c (find_base_term): Move around LO_SUM case, so that
2179         CONST falls through into PLUS/MINUS handling.
2180
2181         PR c/39855
2182         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
2183         into 0, use omit_one_operand.
2184
2185 2009-04-23  Ben Elliston  <bje@au.ibm.com>
2186
2187         * config/rs6000/linux-unwind.h (get_regs): Remove type
2188         puns. Change the type of `pc' to an array of unsigned ints and
2189         update all users.  Constify frame24.
2190
2191 2009-04-22  DJ Delorie  <dj@redhat.com>
2192
2193         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
2194         declarations before code.
2195         (current_function_special_page_vector): Likewise.
2196         (m32c_expand_insv): Silence a warning.
2197
2198 2009-04-21  Taras Glek  <tglek@mozilla.com>
2199
2200         * alias.c: Update GTY annotations to new syntax.
2201         * basic-block.h: Likewise.
2202         * bitmap.h: Likewise.
2203         * c-common.h: Likewise.
2204         * c-decl.c: Likewise.
2205         * c-parser.c: Likewise.
2206         * c-pragma.c: Likewise.
2207         * c-tree.h: Likewise.
2208         * cfgloop.h: Likewise.
2209         * cgraph.h: Likewise.
2210         * config/alpha/alpha.c: Likewise.
2211         * config/arm/arm.h: Likewise.
2212         * config/avr/avr.h: Likewise.
2213         * config/bfin/bfin.c: Likewise.
2214         * config/cris/cris.c: Likewise.
2215         * config/darwin.c: Likewise.
2216         * config/frv/frv.c: Likewise.
2217         * config/i386/i386.c: Likewise.
2218         * config/i386/i386.h: Likewise.
2219         * config/i386/winnt.c: Likewise.
2220         * config/ia64/ia64.h: Likewise.
2221         * config/iq2000/iq2000.c: Likewise.
2222         * config/mips/mips.c: Likewise.
2223         * config/mmix/mmix.h: Likewise.
2224         * config/pa/pa.c: Likewise.
2225         * config/pa/pa.h: Likewise.
2226         * config/rs6000/rs6000.c: Likewise.
2227         * config/s390/s390.c: Likewise.
2228         * config/sparc/sparc.c: Likewise.
2229         * config/xtensa/xtensa.c: Likewise.
2230         * cselib.h: Likewise.
2231         * dbxout.c: Likewise.
2232         * dwarf2out.c: Likewise.
2233         * except.c: Likewise.
2234         * except.h: Likewise.
2235         * fixed-value.h: Likewise.
2236         * function.c: Likewise.
2237         * function.h: Likewise.
2238         * gimple.h: Likewise.
2239         * integrate.c: Likewise.
2240         * optabs.c: Likewise.
2241         * output.h: Likewise.
2242         * real.h: Likewise.
2243         * rtl.h: Likewise.
2244         * stringpool.c: Likewise.
2245         * tree-data-ref.c: Likewise.
2246         * tree-flow.h: Likewise.
2247         * tree-scalar-evolution.c: Likewise.
2248         * tree-ssa-address.c: Likewise.
2249         * tree-ssa-alias.h: Likewise.
2250         * tree-ssa-operands.h: Likewise.
2251         * tree.c: Likewise.
2252         * tree.h: Likewise.
2253         * varasm.c: Likewise.
2254         * varray.h: Likewise.
2255         * vec.h: Likewise.
2256         * coretypes.h: Do not define GTY macro if it is already defined.
2257         * doc/gty.texi: Update GTY documentation to new syntax.
2258         * gengtype-lex.l: Enforce attribute-like syntax for GTY
2259         annotations on structs.
2260         * gengtype-parse.c: Likewise.
2261
2262 2009-04-22  Mark Heffernan  <meheff@google.com>
2263
2264         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
2265
2266 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2267
2268         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
2269         where appropriate.
2270
2271 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
2272
2273         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
2274         the same as a PLUS without a shift.  Increase the cost of a
2275         CONST_INT in MULT.
2276
2277 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2278
2279         * Makefile.in: Update dependencies.
2280         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
2281         * errors.h: Remove bogus comment about compatibility.
2282         (warning): Update declaration.
2283         * genautomata.c: Update all calls to warning.
2284         * gimple.c: Do not include errors.h. Include toplev.h.
2285         * tree-ssa-structalias.c: Do not include errors.h.
2286         * omega.c: Likewise.
2287         * tree-ssa-reassoc.c: Likewise.
2288         * config/spu/spu-c.c: Likewise.
2289         * config/spu/t-spu-elf: Update dependencies.
2290
2291 2009-04-22  Richard Guenther  <rguenther@suse.de>
2292
2293         PR tree-optimization/39824
2294         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
2295         make sure the types are compatible.
2296
2297 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2298
2299         PR c++/14875
2300         * c-common.c (c_parse_error): Take a token_flags parameter.
2301         Use token_type for the token type instead.
2302         Pass token_flags to cpp_type2name.
2303         * c-common.h (c_parse_error): Update declaration.
2304         * c-parser.c (c_parser_error): Pass 0 as token flags.
2305
2306 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
2307
2308         PR rtl-optimization/39580
2309         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
2310
2311 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2312
2313         * function.c (expand_function_end): Do not emit a jump to the "naked"
2314         return label for fall-through returns.
2315         * except.c (sjlj_emit_function_exit): Always place the call to the
2316         unregister function at the location installed by expand_function_end.
2317
2318 2009-04-22  Richard Guenther  <rguenther@suse.de>
2319
2320         PR tree-optimization/39845
2321         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
2322         (gen_inbound_check): Likewise.
2323
2324 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2325
2326         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
2327         padding for PPC.
2328         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
2329         * config/vxlib.c (__gthread_once): Add race guard for PPC.
2330
2331 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2332
2333         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
2334         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
2335         shift counts to avoid out-of-bounds array accesses.
2336
2337 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2338
2339         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
2340         (Pmode): Move above.
2341
2342 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
2343
2344         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
2345         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
2346         GET_CODE macro.  Use IN_RANGE macro where appropriate.
2347         * config/alpha/alpha.h: Ditto.
2348         * config/alpha/alpha.md: Ditto.
2349         * config/alpha/constraints.md: Ditto.
2350         * config/alpha/predicates.md: Ditto.
2351
2352 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
2353
2354         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
2355         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2356         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2357         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2358         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2359         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2360         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2361         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2362         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2363         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2364         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2365         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2366         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2367         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2368         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2369         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2370         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2371         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2372         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2373         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2374         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2375         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2376         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2377         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2378         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2379         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2380         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2381
2382 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2383
2384         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
2385         references from comments.
2386         * cfgbuild.c: (count_basic_blocks): Delete.
2387         (find_basic_blocks_1): Delete.
2388         (find_basic_blocks): Delete.
2389         * except.c (finish_eh_generation): Make static.  Move comment from
2390         except.h here.  Remove find_basic_blocks references from comments.
2391         * except.h (finish_eh_generation): Delete.
2392         * basic-block.h (find_basic_blocks): Delete.
2393         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
2394
2395 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2396
2397         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
2398         (sdbout_parms):  Likewise.
2399
2400 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
2401
2402         * config/sh/sh.c (prepare_cbranch_operands): Use
2403         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
2404         (expand_cbranchdi4): Likewise.
2405         (from_compare): Add cast to enum type.
2406         (expand_cbranchsi4): Use add_reg_note.
2407         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
2408         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
2409         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
2410         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2411         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
2412         instead of CODE_FOR_nothing.
2413         (cbranchdi4): Likewise.  Fix the order of arguments for
2414         gen_rtx_fmt_ee.
2415         (push_fpscr): Use add_reg_note.
2416         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
2417         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
2418
2419 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
2420
2421         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
2422         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2423         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2424         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
2425         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
2426         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
2427         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
2428         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
2429         config/alpha/x-vms, config/arc/t-arc,
2430         config/arm/README-interworking, config/arm/arm-c.c,
2431         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
2432         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
2433         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
2434         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
2435         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
2436         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
2437         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
2438         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
2439         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
2440         config/cris/t-elfmulti, config/crx/t-crx,
2441         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
2442         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
2443         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
2444         config/h8300/t-h8300, config/i386/athlon.md,
2445         config/i386/darwin-libgcc.10.4.ver,
2446         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
2447         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
2448         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
2449         config/i386/t-linux64, config/i386/t-nwld,
2450         config/i386/t-rtems-i386, config/i386/t-sol2-10,
2451         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
2452         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
2453         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
2454         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
2455         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
2456         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
2457         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
2458         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
2459         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
2460         config/m68k/t-uclinux, config/mcore/t-mcore,
2461         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
2462         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
2463         config/mips/crtn.asm, config/mips/irix-crti.asm,
2464         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
2465         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
2466         config/mips/mips-fixed.md, config/mips/sb1.md,
2467         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
2468         config/mips/t-iris6, config/mips/t-isa3264,
2469         config/mips/t-libgcc-mips16, config/mips/t-linux64,
2470         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
2471         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
2472         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
2473         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
2474         config/mn10300/t-linux, config/mn10300/t-mn10300,
2475         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
2476         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
2477         config/picochip/libgccExtras/clzsi2.asm,
2478         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
2479         config/rs6000/darwin-libgcc.10.4.ver,
2480         config/rs6000/darwin-libgcc.10.5.ver,
2481         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
2482         config/rs6000/t-aix43, config/rs6000/t-aix52,
2483         config/rs6000/t-darwin, config/rs6000/t-fprules,
2484         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
2485         config/rs6000/t-lynx, config/rs6000/t-netbsd,
2486         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
2487         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
2488         config/rs6000/t-rtems, config/rs6000/t-spe,
2489         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
2490         config/score/t-score-elf, config/sh/divcost-analysis,
2491         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
2492         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
2493         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
2494         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
2495         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
2496         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
2497         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
2498         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
2499         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
2500         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
2501         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
2502         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
2503         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
2504         limitx.h, version.c, xcoff.h: Add copyright and license notices.
2505         * config/h8300/genmova.sh: Include copyright and license notices
2506         in generated output.
2507         * config/h8300/mova.md: Regenerate.
2508         * doc/install.texi2html: Include word "Copyright" in copyright
2509         notice and use name "Free Software Foundation, Inc.".
2510         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
2511         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
2512         ChangeLog-2007, ChangeLog-2008: Correct dates.
2513
2514 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
2515
2516         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
2517         NE_EXPR operations as well.
2518         * c-parser.c (c_parser_condition): Do not set location information on
2519         the condition.
2520         (c_parser_conditional_expression): Likewise.
2521         (c_parser_binary_expression): Set location information on operators.
2522         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
2523         TRUTH_NOT_EXPR has been folded.
2524         * fold-const.c (fold_truth_not_expr): Copy location information from
2525         the incoming expression to the outgoing one.
2526         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
2527         recursive calls on the LHS of the operator but pass that of the
2528         operator to recursive calls on the RHS of the operator.  Set it
2529         on the COND_EXPR.
2530         (shortcut_cond_expr): Set the locus of the operator on the second
2531         COND_EXPR and that of the expression on the first in degenerate cases.
2532         Pass the locus of the expression to calls to shortcut_cond_r.
2533         Set the locus of the 'then' block on the associated jump, if any.
2534         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
2535         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
2536         expression to call to gimplify_boolean_expr.
2537
2538 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
2539
2540         * config.gcc: Add additional configuration for
2541         i686-w64-mingw* and x86_64-w64-mingw* triplet.
2542         * config/i386/mingw-w64.h: New mingw-w64 specific header.
2543         (CPP_SPEC): Redefine for allowing -municode option.
2544         (STARTFILE_SPEC): Likewise.
2545         * config/i386/t-mingw-w64: New.
2546         * config/i386/mingw-w64.opt: New.
2547         (municode): Add new target option.
2548         * doc/invoke.texi (municode): Add documentation for new option.
2549
2550 2009-04-21  Ian Lance Taylor  <iant@google.com>
2551
2552         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2553         Correct test for number of arguments.
2554         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
2555
2556 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
2557
2558         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
2559         argument of emit_library_call.
2560
2561 2009-04-21  Richard Guenther  <rguenther@suse.de>
2562
2563         PR middle-end/39829
2564         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
2565         inside VIEW_CONVERT_EXPRs.
2566
2567 2009-04-21  Martin Jambor  <mjambor@suse.cz>
2568
2569         * tree-switch-conversion.c (build_constructors): Split a long line.
2570         (constructor_contains_same_values_p): New function.
2571         (build_one_array): Create assigns of constants if possible, do not
2572         call mark_sym_for_renaming, call update_stmt.
2573         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
2574         make_rename_temp.  Do not call mark_symbols_for_renaming, call
2575         update_stmt.
2576         (gen_def_assigns): Do not call mark_symbols_for_renaming or
2577         find_new_referenced_vars, call update_stmt.
2578         (gen_inbound_check): Use create_tmp_var and create ssa names manually
2579         instead of calling make_rename_temp.  Do not call
2580         find_new_referenced_vars or mark_symbols_for_renaming, call
2581         update_stmt.
2582
2583 2009-04-21  Richard Guenther  <rguenther@suse.de>
2584
2585         PR tree-optimization/39827
2586         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
2587         (tree_ssa_phiprop): Pass the correct array size.
2588
2589 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
2590
2591         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
2592
2593 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2594
2595         PR 16202
2596         * c-typeck.c (lvalue_p): Move declaration ...
2597         * c-common.h (lvalue_p): ... to here.
2598         * c-common.c (candidate_equal_p): New.
2599         (add_tlist): Use it.
2600         (merge_tlist): Use it.
2601         (warn_for_collisions_1): Likewise.
2602         (warning_candidate_p): Accept more candidates.
2603         (verify_tree): A warning candidate can be an expression. Use
2604         candidate_equal_p.
2605
2606 2009-04-21  Ben Elliston  <bje@au.ibm.com>
2607
2608         PR target/5267
2609         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2610         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
2611         options.  Remove -mcall-solaris documentation.
2612
2613 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2614
2615         PR c++/13358
2616         * doc/invoke.texi (-Wlong-long): Update description.
2617         * c-lex (interpret_integer): Only warn if there was no previous
2618         overflow and -Wlong-long is enabled.
2619         * c-decl.c (declspecs_add_type): Drop redundant flags.
2620         * c.opt (Wlong-long): Init to -1.
2621         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
2622         and front-end warn_long_long. Wlong-long only depends on other
2623         flags if it is uninitialized.
2624         * c-parser.c (disable_extension_diagnostics): warn_long_long is
2625         the same for CPP and FE.
2626         (restore_extension_diagnostics): Likewise.
2627
2628 2009-04-20  Ian Lance Taylor  <iant@google.com>
2629
2630         Fix enum conversions which are invalid in C++:
2631         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
2632         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
2633         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
2634         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
2635         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
2636         (dbxout_parms): Likewise.
2637         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
2638         (df_clear_flags): Likewise.
2639         * df-problems.c (df_rd_bb_local_compute_process_def): Change
2640         top_flag parameter to int.
2641         (df_chain_create_bb_process_use): Likewise.
2642         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
2643         Remove cast.
2644         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
2645         (df_ref_create_structure, df_def_record_1): Likewise.
2646         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
2647         (df_notes_rescan): Change 0 to VOIDmode in function call.
2648         (df_get_call_refs, df_insn_refs_collect): Likewise.
2649         (df_bb_regs_collect): Likewise.
2650         (df_entry_block_defs_collect): Likewise.
2651         (df_exit_block_uses_collect): Likewise.
2652         * df.h: Update declarations.
2653         * double-int.c (double_int_divmod): Add cast to enum type.
2654         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
2655         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
2656         (based_loc_descr): Likewise.
2657         (loc_descriptor_from_tree_1): Change first_op and second_op to
2658         enum dwarf_location_atom.  Add cast to enum type.
2659         * expmed.c (init_expmed): Change 0 to SET in function call.
2660         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
2661         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
2662         (do_store_flag): Likewise.
2663         * fixed-value.h (struct fixed_value): Change mode to enum
2664         machine_mode.
2665         * function.c (assign_parms): Change 0 to VOIDmode in function call.
2666         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
2667         function call.
2668         (insert_insn_decl, insert_decl, insert_state): Likewise.
2669         (automata_list_finish): Likewise.
2670         * genrecog.c (process_define_predicate): Add cast to enum type.
2671         * gensupport.c (init_predicate_table): Add cast to enum type.
2672         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
2673         function call.
2674         (gimple_build_call_1, gimple_build_label): Likewise.
2675         (gimple_build_goto, gimple_build_asm_1): Likewise.
2676         (gimple_build_switch_1, gimple_build_cdt): Likewise.
2677         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
2678         (enum fallback): Rename from enum fallback_t.
2679         (fallback_t): Typedef as int.
2680         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
2681         GSI_SAME_STMT in function call.
2682         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
2683         enum type.
2684         (setup_reg_class_relations): Likewise.
2685         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
2686         (setup_prohibited_class_mode_regs): Add cast to enum type.
2687         (setup_prohibited_mode_move_regs): Likewise.
2688         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
2689         (record_address_regs): Change i to enum reg_class.
2690         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
2691         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
2692         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
2693         (GET_MODE_2XWIDER_MODE): Likewise.
2694         (GET_CLASS_NARROWEST_MODE): Likewise.
2695         * omp-low.c (expand_omp_for): Add cast to enum type.
2696         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
2697         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
2698         * postreload.c (reload_cse_simplify_operands): Change rclass local
2699         to enum reg_class.
2700         * predict.c (combine_predictions_for_insn): Change best_predictor
2701         and predictor to enum br_predictor.
2702         (combine_predictions_for_bb): Likewise.
2703         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
2704         use SET_PREDICT_EXPR_OUTCOME.
2705         * real.c (real_arithmetic): Change icode to code in function call.
2706         * reginfo.c (init_move_cost): Add casts to enum type.
2707         (init_reg_sets_1, init_fake_stack_mems): Likewise.
2708         * regmove.c (regclass_compatible_p): Change class0 and class1 to
2709         enum reg_class.
2710         * reload.c (find_valid_class): Add casts to enum type.
2711         (push_reload): Change 0 to NO_REGS in function call.
2712         (find_reloads): Change this_alternative to array of enum
2713         reg_class.  Remove some now-unnecessary casts.
2714         (make_memloc): Change 0 to VOIDmode in function call.
2715         * reload1.c (reload): Change 0 to VOIDmode in function call.
2716         (eliminate_regs_1, elimination_effects): Likewise.
2717         (eliminate_regs_in_insn): Likewise.
2718         (emit_input_reload_insns): Add cast to enum type.
2719         (delete_output_reload): Change 0 to VOIDmode in function call.
2720         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
2721         to enum type in function call.
2722         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
2723         (SET_PREDICT_EXPR_OUTCOME): Define.
2724         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
2725         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
2726         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
2727         (dump_function): Likewise.
2728         * tree-dump.h: Update declarations.
2729         * tree-pass.h: Update declarations.
2730         * varasm.c (assemble_integer): Change mclass to enum mode_class.
2731         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
2732         enum type.
2733         (arm_rtx_costs_1): Correct parenthesization.
2734         (arm_rtx_costs): Add casts to enum type.
2735         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
2736         (vfp_emit_fstmd): Use add_rg_note.
2737         (emit_multi_reg_push, emit_sfm): Likewise.
2738         (thumb_set_frame_pointer): Likewise.
2739         (arm_expand_prologue): Likewise.
2740         (arm_regno_class): Change return type to enum reg_class.
2741         (thumb1_expand_prologue): Use add_reg_note.
2742         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
2743         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
2744         in function call.
2745         * config/arm/gentune.sh: Add cast to enum type.
2746         * config/arm/arm-tune.md: Rebuild.
2747         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
2748         (ix86_split_fp_branch, predict_jump): Likewise.
2749         (ix86_expand_multi_arg_builtin): Change sub_code from enum
2750         insn_code to enum rtx_code.
2751         (ix86_builtin_vectorized_function): Add cast to enum type.
2752         * config/i386/i386.md (truncdfsf2): Change slot to enum
2753         ix86_stack_slot.
2754         (truncxf<mode>2, isinf<mode>2): Likewise.
2755         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
2756         enum type.
2757         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
2758         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
2759         (insert_bundle_state): Change 1 to INSERT in function call.
2760         (ia64_add_bundle_selector_before): Likewise.
2761         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
2762         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
2763         (restore_stack_nonlocal): Likewise.
2764         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
2765         function call.
2766         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
2767         function call.
2768         (mips_rtx_costs): Likewise.
2769         (mips_override_options): Add casts to enum type.
2770         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
2771         in function call.
2772         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
2773         (store_reg, set_reg_plus_d): Likewise.
2774         (hppa_expand_prologue, hppa_profile_hook): Likewise.
2775         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2776         cast to enum type.
2777         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
2778         function call.
2779         (emit_unlikely_jump): Use add_reg_note.
2780         (rs6000_emit_allocate_stack): Likewise.
2781         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
2782         (output_toc): Change 1 to INSERT in function call.
2783         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
2784         (rs6000_initialize_trampoline): Likewise.
2785         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
2786         function call.
2787         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
2788         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
2789         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
2790         (save_gprs): Use add_reg_note.
2791         (s390_emit_prologue): Likewise.
2792         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
2793         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
2794         (sparc_fold_builtin): Add cast to enum type.
2795         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
2796         enum insn_code.
2797         (spu_expand_prologue): Use add_reg_note.
2798         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
2799
2800 2009-04-20  Ian Lance Taylor  <iant@google.com>
2801
2802         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
2803         (c_parser_postfix_expression_after_primary): Get VEC for list of
2804         arguments.  Get original types of arguments.  Call
2805         build_function_call_vec.
2806         (cached_expr_list_1, cached_expr_list_2): New static variables.
2807         (c_parser_expr_list): Change return type to VEC *.  Add
2808         p_orig_types parameter.  Change all callers.
2809         (c_parser_release_expr): New static function.
2810         (c_parser_vec_to_tree_list): New static function.
2811         * c-typeck.c (build_function_call): Rewrite to build a VEC and
2812         call build_function_call_vec.
2813         (build_function_call_vec): New function, based on old
2814         build_function_call.
2815         (convert_arguments): Remove nargs and argarray parameters.  Change
2816         values to a VEC.  Add origtypes parameter.
2817         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
2818         (convert_for_assignment): Add origtype parameter.  Change all
2819         callers.  If warn_cxx_compat, check for conversion to an enum
2820         type when calling a function.
2821         (store_init_value): Add origtype parameter.  Change all callers.
2822         (digest_init): Likewise.
2823         (struct init_node): Add origtype field.
2824         (add_pending_init): Add origtype parameter.  Change all callers.
2825         (output_init_element): Likewise.
2826         (output_pending_init_elements): Pass origtype from init_node to
2827         output_init_element.
2828         (process_init_element): Pass origtype from c_expr to
2829         output_init_element.
2830         (c_finish_return): Add origtype parameter.  Change all callers.
2831         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
2832         caller.
2833         (sync_resolve_params): Likewise.
2834         (sync_resolve_return): Change params to first_param.  Change caller.
2835         (resolve_overloaded_builtins): Change params to VEC *.  Change
2836         callers.  Save first parameter around call to build_function_call_vec.
2837         * c-decl.c (finish_decl): Add origtype parameter.  Change all
2838         callers.  Call build_function_call_vec rather than
2839         build_function_call for cleanup.
2840         * c-tree.h: Update declarations.
2841         * c-common.h: Update declarations.
2842         * stub-objc.c (objc_rewrite_function_call): Change parameter from
2843         params to first_param.
2844         * target.h (struct gcc_target): Change resolve_overloaded_builtin
2845         params parameter from tree to void *.
2846         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
2847         Change arglist parameter to have type void *, and to be a pointer
2848         to a VEC.
2849         * config/rs6000/rs6000-protos.h
2850         (altivec_resolve_overloaded_builtin): Update declaration.
2851         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
2852         fnargs parameter to have type void *, and to be a pointer to a
2853         VEC.  Call build_function_call_vec instead of
2854         build_function_call.
2855         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
2856
2857 2009-04-20  Joey Ye  <joey.ye@intel.com>
2858             Xuepeng Guo  <xuepeng.guo@intel.com>
2859             H.J. Lu  <hongjiu.lu@intel.com>
2860
2861         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
2862
2863         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
2864         (IX86_LEA_PRIORITY): Likewise.
2865         (distance_non_agu_define): New function.
2866         (distance_agu_use): Likewise.
2867         (ix86_lea_for_add_ok): Likewise.
2868         (ix86_dep_by_shift_count): Likewise.
2869
2870         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
2871         should split for LEA.
2872
2873         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
2874         function.
2875         (ix86_dep_by_shift_count): Likewise.
2876
2877 2009-04-20  Richard Guenther  <rguenther@suse.de>
2878
2879         * expr.c (handled_component_p): Move ...
2880         * tree.h (handled_component_p): ... here.
2881         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
2882         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
2883         and REALPART_EXPR to be in one group.
2884
2885 2009-04-20  Richard Guenther  <rguenther@suse.de>
2886
2887         * basic-block.h (get_all_dominated_blocks): Declare.
2888         * dominance.c (get_all_dominated_blocks): New function.
2889         * tree-cfg.c (get_all_dominated_blocks): Remove.
2890         (remove_edge_and_dominated_blocks): Adjust.
2891         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
2892         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
2893         instead of recursing.
2894
2895 2009-04-20  Doug Kwan  <dougkwan@google.com>
2896
2897         * cgraph.h (cgraph_node_ptr): New type for vector functions.
2898         (struct cgraph_node_set_def): New type.
2899         (cgraph_node_set) New type. Also declare vector functions.
2900         (struct cgraph_node_set_element_def): New type.
2901         (cgraph_node_set_element): Ditto.
2902         (cgraph_node_set_iterator): New iterator type.
2903         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
2904         cgraph_node_set_remove, dump_cgraph_node_set,
2905         debug_cgraph_node_set): New prototypes.
2906         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
2907         cgraph_node_set_size): New inlines.
2908         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
2909         including cgraph.h.
2910         (struct ipa_opt_pass): Add struct cgraph_node_set_def
2911         argument to function 'write_summary'.
2912         * ipa.c: Include ggc.h.
2913         (hash_cgraph_node_set_element,
2914         eq_cgraph_node_set_element, cgraph_node_set_new,
2915         cgraph_node_set_add, cgraph_node_set_remove,
2916         cgraph_node_set_find, dump_cgraph_node_set,
2917         debug_cgraph_node_set): New functions.
2918         * Makefile.in (ipa.o): Add dependency on GGC_H.
2919
2920 2009-04-20  Ira Rosen  <irar@il.ibm.com>
2921
2922         PR tree-optimization/39675
2923         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
2924         check of the return code of vect_schedule_slp. Check that
2925         stmt_vec_info still exists for the statement, before checking its
2926         vectorization type.
2927
2928 2009-04-20  Michael Matz  <matz@suse.de>
2929
2930         * Makefile.in (generated_files): Take out $(simple_generated_c).
2931
2932 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
2933
2934         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
2935         (UINTPTR_TYPE):  Likewise.
2936
2937 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2938
2939         PR c/37481
2940         * c-typeck.c (digest_init): Check for initializing an array with a
2941         string literal.
2942
2943 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2944
2945         PR c/19771
2946         * c-semantics.c (pop_stmt_list): Propagate
2947         STATEMENT_LIST_HAS_LABEL to parent statement list.
2948
2949 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
2950
2951         * config/mips/mips.h (mips_tune_attr): New macro.
2952         * config/mips/mips.md (cpu): Use it.
2953
2954 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
2955
2956         PR c/38243
2957         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
2958         declaring a tag.
2959
2960 2009-04-19  Diego Novillo  <dnovillo@google.com>
2961
2962         * toplev.c (compile_file): Move call to coverage_finish ...
2963         * cgraphunit.c (ipa_passes): ... here.
2964         Call cgraph_process_new_functions.
2965         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
2966         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
2967
2968 2009-04-19  Jan Hubicka  <jh@suse.cz>
2969
2970         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
2971         cfun.
2972         (dump_cgraph_node): Dump can throw external flag.
2973         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
2974
2975 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2976
2977         PR c/32061
2978         PR c++/36954
2979         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
2980         * common.opt (Wlogical-op): Move from here...
2981         * c.opt (Wlogical-op): ... to here.
2982         * c-typeck.c (parser_build_binary_op): Update call to
2983         warn_logical_operator.
2984         * c-opts.c (c_common_post_options): Enable warn_logical_op with
2985         extra_warnings.
2986         * c-common.c (warn_logical_op): Update.
2987         * c-common.h (warn_logical_op): Update declaration.
2988
2989 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2990
2991         * tree.c (protected_set_expr_location): Fix formatting.
2992
2993 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
2994
2995         PR c/27676
2996         * c-typeck.c (readonly_warning): new.
2997         (build_unary_op, build_modify_expr): Use readonly_warning for
2998         storing into something readonly but not const-qualified.
2999
3000 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3001
3002         PR c/22367
3003         * c-typeck.c (build_unary_op): Check for taking address of
3004         expression of type void.
3005
3006 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
3007
3008         PR c/35210
3009         * c-typeck.c (build_function_call): Check for calling a function
3010         with qualified void return types.  Call require_complete_type when
3011         generating a trap.
3012
3013 2009-04-18  Jan Hubicka  <jh@suse.cz>
3014
3015         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
3016         Set nothrow flag.
3017         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
3018         can_throw_external flag.
3019         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
3020         * ipa-pure-const.c (ignore_edge): New function.
3021         (propagate): Compute order for NOTHROW computation; set NOTHROWs
3022         only over can_throw_external edges.
3023         (local_pure_const): Add nothrow flag.
3024         * ipa-utils.c (searchc): Add ignore_edge callback.
3025         (ipa_utils_reduced_inorder): Add ignore_edge callback.
3026         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
3027         (set_nothrow_function_flags): Update cgraph.
3028         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
3029
3030 2009-04-18  Richard Guenther  <rguenther@suse.de>
3031
3032         PR middle-end/39804
3033         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
3034         (fold_stmt): ... this and ...
3035         (fold_stmt_inplace): ... this.
3036         (fold_stmt_1): Fold references in calls and asms.
3037         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
3038
3039 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3040
3041         * tree-vrp.c (ssa_name_nonzero_p): Remove.
3042         * tree.h: Remove the prototype for ssa_name_nonzero_p.
3043
3044 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3045
3046         * tree.c (function_args_count): Remove.
3047         * tree.h: Remove the prototype for function_args_count.
3048
3049 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3050
3051         * tree-iterator.c (expr_only): Remove.
3052         * tree.h: Remove the prototype for expr_only.
3053
3054 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3055
3056         * reginfo.c (cannot_change_mode_set_regs): Remove.
3057         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
3058
3059 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
3060
3061         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
3062         whether operands 0 and 1 overlaps.
3063
3064 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3065
3066         PR middle-end/36902
3067         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
3068         pointer. Use warning_at instead of warning.
3069         (search_for_addr_array): Likewise.
3070         (check_array_bounds): Likewise.
3071         (check_all_array_refs): Check that the incoming edge is not in the
3072         list of edges to be removed.
3073         (check_all_array_refs): Avoid the temporal pointer.
3074         (vrp_visit_cond_stmt): Fix typo.
3075         (simplify_switch_using_ranges): Handle the case where the switch
3076         index is an integer constant.
3077
3078 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
3079
3080         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
3081
3082 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
3083
3084         * doc/extend.texi, doc/invoke.texi: Fix typos.
3085
3086 2009-04-17  Cary Coutant  <ccoutant@google.com>
3087
3088         * tree-flow-inline.h (get_lineno): Fix inverted test.
3089
3090 2009-04-17  Diego Novillo  <dnovillo@google.com>
3091
3092         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3093         assertion for AVAIL_OUT.
3094
3095 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
3096
3097         PR target/38627
3098         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
3099         * config/sh/linux-atomic.asm: Likewise.
3100
3101 2009-04-17  Diego Novillo  <dnovillo@google.com>
3102
3103         * except.c (debug_eh_tree): New.
3104         (struct eh_region, struct eh_status): Move ...
3105         * except.h: ... here.
3106         (add_type_for_runtime): Declare extern.
3107         (lookup_type_for_runtime): Likewise.
3108         (debug_eh_tree): Declare.
3109         * Makefile.in (GTFILES): List except.h before except.c
3110
3111 2009-04-17  Diego Novillo  <dnovillo@google.com>
3112
3113         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
3114         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3115         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
3116         (find_vars_r): ... here.
3117         * tree-flow.h (find_referenced_vars_in): Declare.
3118         * tree-ssa-pre.c (create_expression_by_pieces): Assert
3119         that AVAIL_OUT exists for BLOCK.
3120         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
3121         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
3122         (tree-parloops.o): Likewise.
3123
3124 2009-04-17  Simon Baldwin  <simonb@google.com>
3125
3126         * toplev.c (default_tree_printer): Add handling for %E format.
3127
3128 2009-04-17  Diego Novillo  <dnovillo@google.com>
3129
3130         * tree-pretty-print.c (dump_generic_node): Add break after
3131         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
3132         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
3133         FUNCTION_TYPE together.  Call print_struct_decl when printing
3134         structures and TDF_SLIM is not given.
3135         (print_struct_decl): Fix logic for detecting recursion.
3136
3137 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3138
3139         PR 31567
3140         * gcc.c (create_at_file): New.
3141         (compile_input_file_p): New.
3142         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
3143         * main.c (main): Update call to toplev_main.
3144         * toplev.c (toplev_main): Change signature. Call expandargv.
3145         * toplev.h (toplev_main): Change signature.
3146
3147 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3148
3149         * dwarf2out.c (field_byte_offset): Use the type size as the field size
3150         if the latter is not constant.
3151
3152 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
3153
3154         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
3155
3156 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
3157
3158         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
3159         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
3160
3161 2009-04-17  Richard Guenther  <rguenther@suse.de>
3162
3163         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3164         Handle component references view-converting an invariant address.
3165
3166 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
3167
3168         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
3169         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
3170         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
3171         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
3172         Use @deftypevr rather than @deftypevar.
3173
3174 2009-04-17  Richard Guenther  <rguenther@suse.de>
3175
3176         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
3177         (get_prop_source_stmt): Likewise.
3178         (can_propagate_from): Likewise.
3179
3180 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
3181
3182         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
3183         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
3184         (--with-multilib-list): Add default value.
3185         * configure: Regenerate.
3186         * Makefile.in (TM_ENDIAN_CONFIG): Define.
3187         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
3188         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
3189         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
3190         Don't add default cpu to multilib list unnecessarily, but do enable
3191         the relevant compiler option..
3192         Add support for --with-multilib-list=<blank> and
3193         --with-multilib-list=!<somelib> to supress unwanted multilibs.
3194         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
3195         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
3196         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
3197         TM_MULTILIB_CONFIG.
3198         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
3199         (MULTILIB_OSDIRNAMES): New variable.
3200         * config/sh/t-1e: Delete file.
3201         * config/sh/t-mlib-sh1: Delete file.
3202         * config/sh/t-mlib-sh2: Delete file.
3203         * config/sh/t-mlib-sh2a: Delete file.
3204         * config/sh/t-mlib-sh2a-nofpu: Delete file.
3205         * config/sh/t-mlib-sh2a-single: Delete file.
3206         * config/sh/t-mlib-sh2a-single-only: Delete file.
3207         * config/sh/t-mlib-sh2e: Delete file.
3208         * config/sh/t-mlib-sh3e: Delete file.
3209         * config/sh/t-mlib-sh4: Delete file.
3210         * config/sh/t-mlib-sh4-nofpu: Delete file.
3211         * config/sh/t-mlib-sh4-single: Delete file.
3212         * config/sh/t-mlib-sh4-single-only: Delete file.
3213         * config/sh/t-mlib-sh4a: Delete file.
3214         * config/sh/t-mlib-sh4a-nofpu: Delete file.
3215         * config/sh/t-mlib-sh4a-single: Delete file.
3216         * config/sh/t-mlib-sh4a-single-only: Delete file.
3217         * config/sh/t-mlib-sh4al: Delete file.
3218         * config/sh/t-mlib-sh5-32media: Delete file.
3219         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
3220         * config/sh/t-mlib-sh5-64media: Delete file.
3221         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
3222         * config/sh/t-mlib-sh5-compact: Delete file.
3223         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
3224         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
3225         * doc/install.texi (Options specification): Add
3226         --with-multilib-list and --with-endian.
3227
3228 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
3229
3230         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
3231         REVISION_c.
3232         (OBJS-common): Add plugin-version.o.
3233         (plugin-version.o): New.
3234         * gcc-plugin.h (plugin_gcc_version): New.
3235         (plugin_default_version_check): New.
3236         (plugin_init_func, plugin_init): Add version argument.
3237         * plugin-version.c: New.
3238         * plugin.c (str_plugin_gcc_version_name): New.
3239         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
3240         pass it to the init function.
3241         (plugin_default_version_check): New.
3242
3243 2009-04-17  Richard Guenther  <rguenther@suse.de>
3244
3245         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
3246         for decl-vs-decl disambiguation.
3247
3248 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3249
3250         * config/s390/s390.h (s390_tune_attr): New macro definition.
3251         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
3252
3253 2009-04-17  Richard Guenther  <rguenther@suse.de>
3254
3255         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
3256         (fold_stmt_r): Likewise.
3257         (maybe_fold_reference): New function.
3258         (fold_gimple_assign): Handle cases fold_stmt_r did.
3259         (fold_stmt): Do not use fold_stmt_r.
3260         (fold_stmt_inplace): Likewise.
3261
3262 2009-04-17  Richard Guenther  <rguenther@suse.de>
3263
3264         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
3265         (record_equivalences_from_stmt): Remove useless checks and
3266         simplifications.
3267         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
3268         the type is already suitable.
3269
3270 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
3271
3272         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
3273
3274 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
3275
3276         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
3277         (CMPtype): Define as __gcc_CMPtype.
3278
3279 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
3280
3281         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
3282         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
3283
3284 2009-04-17  Richard Guenther  <rguenther@suse.de>
3285
3286         PR tree-optimization/39746
3287         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
3288         special-casing for builtins and static variable use/def.
3289         (call_may_clobber_ref_p_1): Likewise.
3290
3291 2009-04-16  Ian Lance Taylor  <iant@google.com>
3292
3293         * df.h: Include "timevar.h".
3294         (struct df_problem): Change tv_id field to timevar_id_t.
3295         * tree-pass.h: Include "timevar.h".
3296         (struct opt_pass): Change tv_id field to timevar_id_t.
3297         * timevar.h (timevar_id_t): Define TV_NONE.
3298         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
3299         TV_NONE rather than tv_id != 0.
3300         (execute_one_pass): Likewise.
3301         * Makefile.in (DF_H): Add $(TIMEVAR_H).
3302         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
3303         dependencies to $(TREE_PASS_H).
3304         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
3305         to TV_NONE.
3306         (pass_branch_target_load_optimize2): Likewise.
3307         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
3308         (pass_outof_cfg_layout_mode): Likewise.
3309         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
3310         (pass_rebuild_cgraph_edges): Likewise.
3311         (pass_remove_cgraph_callee_edges): Likewise.
3312         * df-core.c (pass_df_initialize_opt): Likewise.
3313         (pass_df_initialize_no_opt): Likewise.
3314         (pass_df_finish): Likewise.
3315         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3316         * except.c (pass_set_nothrow_function_flags): Likewise.
3317         (pass_convert_to_eh_region_ranges): Likewise.
3318         * final.c (pass_compute_alignments): Likewise.
3319         * function.c (pass_instantiate_virtual_regs): Likewise.
3320         (pass_init_function): Likewise.
3321         (pass_leaf_regs): Likewise.
3322         (pass_match_asm_constraints): Likewise.
3323         * gimple-low.c (pass_lower_cf): Likewise.
3324         (pass_mark_used_blocks): Likewise.
3325         * init-regs.c (pass_initialize_regs): Likewise.
3326         * integrate.c (pass_initial_value_sets): Likewise.
3327         * ira.c (pass_ira): Likewise.
3328         * jump.c (pass_cleanup_barriers): Likewise.
3329         * omp-low.c (pass_expand_omp): Likewise.
3330         (pass_lower_omp): Likewise.
3331         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
3332         * recog.c (pass_split_all_insns): Likewise.
3333         (pass_split_after_reload): Likewise.
3334         (pass_split_before_regstack): Likewise.
3335         (pass_split_before_sched2): Likewise.
3336         (pass_split_for_shorten_branches): Likewise.
3337         * reginfo.c (pass_reginfo_init): Likewise.
3338         (pass_subregs_of_mode_init): Likewise.
3339         (pass_subregs_of_mode_finish): Likewise.
3340         * passes.c (pass_postreload): Likewise.
3341         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
3342         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
3343         (pass_warn_function_return): Likewise.
3344         (pass_warn_function_noreturn): Likewise.
3345         * tree-complex.c (pass_lower_complex): Likewise.
3346         (pass_lower_complex_O0): Likewise.
3347         * tree-if-conv.c (pass_if_conversion): Likewise.
3348         * tree-into-ssa.c (pass_build_ssa): Likewise.
3349         * tree-mudflap.c (pass_mudflap_1): Likewise.
3350         (pass_mudflap_2): Likewise.
3351         * tree-nomudflap.c (pass_mudflap_1): Likewise.
3352         (pass_mudflap_2): Likewise.
3353         * tree-nrv.c (pass_return_slot): Likewise.
3354         * tree-object-size.c (pass_object_sizes): Likewise.
3355         * tree-optimize.c (pass_all_optimizations): Likewise.
3356         (pass_early_local_passes): Likewise.
3357         (pass_all_early_optimizations): Likewise.
3358         (pass_cleanup_cfg): Likewise.
3359         (pass_cleanup_cfg_post_optimizing): Likewise.
3360         (pass_free_datastructures): Likewise.
3361         (pass_free_cfg_annotations): Likewise.
3362         (pass_fixup_cfg): Likewise.
3363         (pass_init_datastructures): Likewise.
3364         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
3365         (pass_late_warn_uninitialized): Likewise.
3366         (pass_update_address_taken): Likewise.
3367         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
3368         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
3369         (pass_cse_sincos): Likewise.
3370         (pass_convert_to_rsqrt): Likewise.
3371         * tree-ssa-structalias.c (pass_build_alias): Likewise.
3372         * tree-stdarg.c (pass_stdarg): Likewise.
3373         * tree-tailcall.c (pass_tail_recursion): Likewise.
3374         (pass_tail_calls): Likewise.
3375         * tree-vect-generic.c (pass_lower_vector): Likewise.
3376         (pass_lower_vector_ssa): Likewise.
3377         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
3378
3379 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
3380
3381         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
3382         XLR entry.
3383         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
3384         Handle -march=xlr.
3385         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
3386         logical and signext.
3387
3388 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
3389
3390         PR target/39767
3391         * config/sh/predicates.md (arith_operand): Check if the operand
3392         of TRUNCATE is a REG.
3393
3394 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3395
3396         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
3397         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
3398
3399 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3400
3401         * tree-iterator.c (tsi_split_statement_list_after,
3402         tsi_split_statement_list_before): Remove.
3403         * tree-iterator.h: Remove the prototypes for
3404         tsi_split_statement_list_after and tsi_split_statement_list_before.
3405
3406 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3407
3408         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
3409         * tree-ssa-propagate.h: Remove the prototype for
3410         stmt_makes_single_load.
3411
3412 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3413
3414         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
3415         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
3416
3417 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3418
3419         * tree-iterator.c (EXPR_LAST_BODY): Remove.
3420
3421 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3422
3423         * except.c (eh_region_outer_p): Remove.
3424         * except.h: Remove the prototype for eh_region_outer_p.
3425
3426 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
3427
3428         * function.c (current_function_assembler_name): Remove.
3429         * function.h: Remove the prototype for
3430         current_function_assembler_name.
3431
3432 2009-04-16  Ian Lance Taylor  <iant@google.com>
3433
3434         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
3435         (add_reg_note): Call alloc_reg_note.
3436         * rtl.h (alloc_reg_note): Declare.
3437         * combine.c (try_combine): Use alloc_reg_note.
3438         (recog_for_combine, move_deaths): Likewise.
3439         (distribute_notes): Use alloc_reg_note and add_reg_note.
3440         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
3441         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
3442         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
3443
3444 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
3445
3446         PR rtl-optimization/39762
3447         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
3448         ira_may_move_out_cost): Add comments about way of their usage.
3449         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
3450
3451         * ira-conflicts.c (process_regs_for_copy): Use function
3452         ira_get_register_move_cost instead of global
3453         ira_register_move_cost.
3454
3455         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
3456         color_pass, move_spill_restore, update_curr_costs): Ditto.
3457
3458         * ira-lives.c (process_single_reg_class_operands): Ditto.
3459
3460         * ira-emit.c (emit_move_list): Ditto.
3461
3462         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
3463         (record_reg_classes): Ditto.  Use functions
3464         ira_get_register_move_cost and ira_get_may_move_cost instead of
3465         global vars ira_register_move_cost, ira_may_move_out_cost and
3466         ira_may_move_in_cost.
3467         (record_address_regs): Don't call ira_init_register_move_cost.
3468         Use function ira_get_may_move_cost instead of global
3469         ira_may_move_in_cost.
3470         (process_bb_node_for_hard_reg_moves): Use function
3471         ira_get_register_move_cost instead of global ira_register_move_cost.
3472         (ira_costs): Don't call ira_init_register_move_cost.
3473
3474 2009-04-16  Richard Guenther  <rguenther@suse.de>
3475
3476         * tree-cfg.c (verify_gimple_assign_binary):
3477         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
3478         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
3479         (create_general_new_stmt): Note that this function is broken.
3480
3481 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3482
3483         * common.opt (fhelp): Add Var(help_flag).
3484         * gcc-plugin.h (plugin_info): Add help.
3485         * plugin.c (plugin_name_args): Add help.
3486         (register_plugin_info): Set plugin->help.
3487         (print_help_one_plugin): New.
3488         (print_plugins_help): New.
3489         * plugin.h (print_plugins_help): New.
3490         * toplev.c (toplev_main): Call print_plugins_help if needed.
3491
3492 2009-04-16  Richard Guenther  <rguenther@suse.de>
3493
3494         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
3495         (gimple_ior_addresses_taken_1): New function.
3496         (gimple_ior_addresses_taken): Likewise.
3497         * gimple.h (struct gimple_statement_with_ops_base): Remove
3498         addresses_taken member.
3499         (gimple_ior_addresses_taken): Declare.
3500         (gimple_addresses_taken, gimple_addresses_taken_ptr,
3501         gimple_set_addresses_taken): Remove.
3502         * ipa-reference.c (mark_address): New function.
3503         (scan_stmt_for_static_refs): Use it for marking addresses taken.
3504         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
3505         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
3506         (gimple_add_to_addresses_taken): Remove.
3507         (get_tmr_operands): Call mark_address_taken.
3508         (get_asm_expr_operands): Likewise.
3509         (get_expr_operands): Likewise.
3510         (build_ssa_operands): Do not clear the addresses_taken bitmap.
3511         (free_stmt_operands): Do not free it.
3512         * tree-ssa.c (delete_tree_ssa): Likewise.
3513         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
3514
3515 2009-04-16  Richard Guenther  <rguenther@suse.de>
3516
3517         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
3518         (walk_stmt_load_store_ops): Likewise.
3519         * gimple.c (get_base_loadstore): New function.
3520         (walk_stmt_load_store_addr_ops): Likewise.
3521         (walk_stmt_load_store_ops): Likewise.
3522         * ipa-pure-const.c (check_op): Simplify.
3523         (check_load, check_store): New functions.
3524         (check_stmt): Use walk_stmt_load_store_ops.
3525         * ipa-reference.c (mark_load): Adjust signature.
3526         (mark_store): Likewise.
3527         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
3528
3529 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3530
3531         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
3532         (plugin_info): New.
3533         * opts.c (common_handle_option): Don't call print_version.
3534         * plugin.c (plugin_name_args): Add version.
3535         (register_plugin_info): New.
3536         (register_callback): Handle PLUGIN_INFO.
3537         (try_init_one_plugin): New.
3538         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
3539         if failed to init.
3540         (finalize_one_plugin): New.
3541         (finalize_plugins): New.
3542         (print_one_plugin): New.
3543         (print_plugins_versions): New.
3544         * plugin.h (print_plugins_versions): New.
3545         (finalize_plugins): New.
3546         * toplev.c (compile_file): Don't call initialize_plugins.
3547         (print_version): Call print_plugins_versions.
3548         (toplev_main): Call initialize_plugins. Print version if needed.
3549         Call finalize_plugins.
3550
3551 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
3552
3553         * common.opt (fversion): New.
3554         * gcc.c (print_version): New.
3555         (process_command): Don't print the version. Just set print_version.
3556         (main): Print version. Call subprocesses if print_version and
3557         verbose_flag are set.
3558         * opts.c (common_handle_option): Handle OPT_fversion.
3559
3560 2009-04-16  Richard Guenther  <rguenther@suse.de>
3561             Ira Rosen  <irar@il.ibm.com>
3562
3563         PR tree-optimization/39698
3564         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
3565         type of the reduction variable.  Only generate the def if
3566         it is needed.
3567
3568         * omp-low.c (expand_omp_for_generic): When converting to a pointer
3569         make sure to first convert to an integer of the same precision.
3570         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
3571         the type of the evolution correctly in computing the new
3572         induction variable base.
3573
3574 2009-04-16  Richard Guenther  <rguenther@suse.de>
3575
3576         PR middle-end/39625
3577         * tree-cfg.c (make_blocks): Split statements with to-be
3578         abnormal SSA names on the lhs.
3579
3580 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
3581
3582         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
3583         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
3584         * c-typeck.c (really_start_incremental_init): Likewise.
3585         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
3586         (TARGET_INITIALIZER): Remove it.
3587         * target.h (struct target): Remove vector_opaque_p.
3588         * tree.c (build_opaque_vector_type): New.
3589         * tree.h (TYPE_VECTOR_OPAQUE): New.
3590         (build_opaque_vector_type): Declare.
3591         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
3592         * config/rs6000/rs6000.c (build_opaque_vector_type,
3593         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
3594         (rs6000_init_builtins): Use build_opaque_vector_type for
3595         opaque_V4SI_type_node.
3596
3597 2009-04-15  Catherine Moore  <clm@codesourcery.com>
3598
3599         * debug.h (set_name):  Declare.
3600         * dwarf2out.c (dwarf2out_set_name): Declare.
3601         (dwarf2_debug_hooks): Add set_name.
3602         (find_AT_string): New.
3603         (add_AT_string): Call find_AT_string.
3604         (dwarf2out_set_name): New.
3605         * cp/decl.c (grokdeclarator): Call set_name.
3606         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
3607         * debug.c (do_nothing_debug_hooks):  Likewise.
3608         * dbxout.c (dbx_debug_hooks): Likewise.
3609         * sdbout.c (sdb_debug_hooks): Likewise.
3610
3611 2009-04-15  Michael Eager  <eager@eagercon.com>
3612
3613         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
3614         reg for single-precision FPU.
3615         * config/rs6000/rs6000.md (movsi_internal1): Only for
3616         !TARGET_SINGLE_FPU.
3617         (movsi_internal1_single): New. Add pattern to move SI values to/from
3618         single-precision FP regs.
3619
3620 2009-04-15  Richard Guenther  <rguenther@suse.de>
3621
3622         * omp-low.c (lower_rec_input_clauses): Build correct address
3623         expressions.
3624         (expand_omp_for_generic): Fix multiplication type.
3625         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
3626         (generate_memset_zero): Fix types.
3627         * tree-profile.c (prepare_instrumented_value): Correctly
3628         widen a pointer.
3629
3630 2009-04-15  Ian Lance Taylor  <iant@google.com>
3631
3632         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
3633         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
3634         for -Wall and for -Wc++-compat.
3635         (c_common_post_options): For C++, set warn_enum_compare if not
3636         already set.
3637         * c-tree.h (struct c_expr): Add field original_type.
3638         (build_external_ref): Update declaration.
3639         * c-parser.c (c_parser_braced_init): Set original_type.
3640         (c_parser_initelt): Likewise.
3641         (c_parser_expr_no_commas): Likewise.
3642         (c_parser_conditional_expression): Likewise.
3643         (c_parser_cast_expression): Likewise.
3644         (c_parser_unary_expression): Likewise.  Pull setting of
3645         original_code to top of function.
3646         (c_parser_sizeof_expression): Set original_type.
3647         (c_parser_alignof_expression): Likewise.
3648         (c_parser_postfix_expression): Likewise.  Pull setting of
3649         original_code to top of function.
3650         (c_parser_postfix_expression_after_paren_type): Set original_type.
3651         (c_parser_postfix_expression_after_primary): Likewise.
3652         (c_parser_expression): Likewise.
3653         * c-typeck.c (build_external_ref): Add type parameter.  Change all
3654         callers.
3655         (c_expr_sizeof_expr): Set original_type field.
3656         (parser_build_unary_op): Likewise.
3657         (parser_build_binary_op): Likewise.  Optionally warn about
3658         comparisons of enums of different types.
3659         (digest_init): Set original_type field.
3660         (really_start_incremental_init): Likewise.
3661         (push_init_level, pop_init_level): Likewise.
3662         * doc/invoke.texi (Warning Options): -Wenum-compare now
3663         supported in C.
3664
3665 2009-04-15  Richard Guenther  <rguenther@suse.de>
3666
3667         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
3668         out a necessary conversion.
3669         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
3670         names we didn't value number.
3671         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
3672
3673 2009-04-15  Richard Guenther  <rguenther@suse.de>
3674
3675         PR tree-optimization/39764
3676         * tree-ssa-ccp.c (get_value): Canonicalize value with
3677         canonicalize_float_value.
3678
3679 2009-04-15  Jan Hubicka  <jh@suse.cz>
3680
3681         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
3682         Wrong version of patch.
3683
3684 2009-04-15  Jan Hubicka  <jh@suse.cz>
3685
3686         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
3687
3688 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
3689
3690         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
3691         our distinct integral and vector types.
3692
3693 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
3694
3695         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
3696         * init.c (build_vtbl_address): Remove call to assemble_external.
3697
3698 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
3699
3700         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
3701         output for other floating point modes.
3702
3703 2009-04-14  Diego Novillo  <dnovillo@google.com>
3704
3705         * diagnostic.c (diagnostic_report_diagnostic): Do not
3706         warn about loaded plugins for DK_ERROR and DK_WARNING.
3707         * c-decl.c (declspecs_add_type): Move call to
3708         invoke_plugin_callbacks ...
3709         * c-parser.c (c_parser_declspecs): ... here.
3710         * plugin.c (dump_active_plugins): Tidy output.
3711
3712 2009-04-14  Diego Novillo  <dnovillo@google.com>
3713             Le-Chun Wu  <lcwu@google.com>
3714
3715         * configure.ac: Add --enable-plugin support.
3716         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
3717         * Makefile.in (PLUGIN_H): Define.
3718         Export ENABLE_PLUGIN and GMPINC to site.exp.
3719         Add PLUGINLIBS to link command.
3720         Add/modify dependencies for plugin.o and files including plugin.h.
3721         (plugin.o): New.
3722         * config.in: Regenerate.
3723
3724         * opts.c (common_handle_option): Handle OPT_fplugin_ and
3725         OPT_fplugin_arg_.
3726
3727 2009-04-14  Le-Chun Wu  <lcwu@google.com>
3728
3729         * tree-pass.h (register_one_dump_file): Add a prototype for
3730         register_one_dump_file.
3731         * toplev.c (compile_file): Call initialize_plugins.
3732         (do_compile): Call invoke_plugin_callbacks.
3733         (toplev_main): Call invoke_plugin_callbacks.
3734         * common.opt: Add -fplugin= and -fplugin-arg-.
3735         * gcc-plugin.h: New public header file for plugins to include.
3736         * plugin.c: New source file.
3737         * plugin.h: New internal header file.
3738         * passes.c (register_one_dump_file): Make it external.
3739
3740         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
3741
3742 2009-04-14  Diego Novillo  <dnovillo@google.com>
3743
3744         * doc/plugins.texi: New.
3745         * doc/gccint.texi: Add reference to Plugins chapter.
3746         * doc/invoke.texi: Document -fplugin and -fplugin-arg
3747         * diagnostic.c (diagnostic_report_diagnostic): Warn about
3748         loaded plugins, if any.
3749         * timevar.def (TV_PLUGIN_INIT): Define.
3750         (TV_PLUGIN_RUN): Define.
3751         * plugin.c: Include timevar.h
3752         (plugins_active_p): New.
3753         (dump_active_plugins): New.
3754         (debug_active_plugins): New.
3755
3756 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
3757
3758         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
3759         library paths.
3760         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
3761
3762 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
3763
3764         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
3765         the same as a minus without a shift.
3766
3767 2009-04-14  Nick Clifton  <nickc@redhat.com>
3768
3769         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
3770         comparisons with small integers will always produce a short
3771         branch.
3772
3773 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
3774
3775         Merge:
3776         2008-12-19  Diego Novillo  <dnovillo@google.com>
3777
3778         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
3779
3780 2009-04-14  Richard Guenther  <rguenther@suse.de>
3781
3782         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
3783         verification.
3784         (verify_gimple_assign_binary): Likewise.  Handle shifts and
3785         rotates correctly.
3786         (verify_gimple_phi): Print the mismatched argument position.
3787         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3788         Fix types.
3789         (vect_update_init_of_dr): Likewise.
3790         * matrix-reorg.c (transform_access_sites): Do what the
3791         comment suggests.
3792         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
3793
3794 2009-04-13  Michael Eager  <eager@eagercon.com>
3795
3796         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
3797         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
3798         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
3799         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
3800         remove duplicate config
3801
3802 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3803
3804         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
3805         file_name:line_number type locator of the call site.
3806
3807 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
3808
3809         * genautomata.c: Put blank after comma.
3810         (automaton_decls): New.
3811         (struct unit_usage): Add comments to member next.
3812         (store_alt_unit_usage): Keep the list ordered.
3813         (unit_present_on_list_p, equal_alternatives_p): New.
3814         (check_regexp_units_distribution): Check units distribution
3815         correctness correctly.
3816         (main): Don't write automata if error is found.  Return correct
3817         exit code.
3818
3819         * config/m68k/cf.md (cfv4_ds): Remove.
3820         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
3821         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
3822
3823         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
3824         power4-load-ext, power4-store, power4-store-update,
3825         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
3826         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
3827         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
3828         power4-sqrt, power4-isync): Modify reservation to make correct
3829         unit distribution to automata.
3830
3831         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
3832         power5-store-update, power5-two, power5-three, power5-lmul,
3833         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
3834
3835 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
3836
3837         * except.c (pass_set_nothrow_function_flags): Set name and add
3838         TODO_dump_func.
3839         (set_nothrow_function_flags): Mention in the dump file when
3840         changing a function to nothrow.
3841
3842 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
3843
3844         PR/39066
3845         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
3846         instead of unsigned long.
3847
3848 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3849
3850         * config/arm/arm.c (return_used_this_function): Remove.
3851         (arm_output_function_prologue): Remove use of
3852         return_used_this_function.
3853         (output_return_instruction): Replace use of
3854         return_used_this_function
3855         by cfun->machine->return_used_this_function.
3856         (arm_output_epilogue): Likewise.
3857         (arm_output_function_epilogue): Likewise.
3858         (thumb_unexpanded_epilogue): Likewise.
3859         * config/arm/arm.h (struct machine_function):
3860         New member return_used_this_function.
3861
3862 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
3863
3864         * doc/install.texi: Correct description of default directory for
3865         --with-gxx-include-dir.
3866
3867 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3868
3869         * fold-const.c (build_range_check): Properly deal with enumeral and
3870         boolean base types.
3871
3872 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
3873
3874         * doc/invoke.texi (max_gcse_passes): Remove documentation.
3875         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
3876         * params.h (MAX_GCSE_PASSES): Remove.
3877         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
3878         in sequence.  Remove ability to run multiple passes.
3879         (bypass_jumps): Report run as third CPROP pass.
3880
3881 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
3882
3883         PR middle-end/39651
3884         * except.c (can_throw_external): Look at each insn in a SEQUENCE
3885         when deciding whether the whole SEQUENCE can throw.
3886
3887 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
3888
3889         PR target/39740
3890         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
3891         offseted label references.
3892
3893 2009-04-11  Jan Hubicka  <jh@suse.cz>
3894
3895         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
3896
3897 2009-04-11  Richard Guenther  <rguenther@suse.de>
3898
3899         PR middle-end/39732
3900         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
3901         return variables as TREE_ADDRESSABLE.
3902
3903 2009-04-11  Richard Guenther  <rguenther@suse.de>
3904
3905         PR tree-optimization/39713
3906         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
3907         reference trees have SSA_NAME operands.
3908
3909 2009-04-11  Richard Guenther  <rguenther@suse.de>
3910
3911         PR c/39712
3912         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
3913         address expressions.
3914
3915 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
3916
3917         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
3918         match changes in Cygwin 1.7
3919         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
3920         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
3921
3922 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
3923
3924         PR tree-optimization/39701
3925         * doc/invoke.texi (Optimization Options): Document change in
3926         meaning and initialization of -fdelete-null-pointer-checks.
3927
3928 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
3929
3930         PR middle-end/39701
3931         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
3932
3933         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
3934         here.
3935
3936         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
3937
3938 2009-04-10  Chao-ying Fu  <fu@mips.com>
3939
3940         * doc/tm.texi (Instruction Output): Document
3941         TARGET_ASM_FINAL_POSTSCAN_INSN.
3942         * target.h (final_postscan_insn): New field in asm_out.
3943         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3944         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
3945         * final.c (final_scan_insn): Call
3946         targetm.asm_out.final_postscan_insn after outputting
3947         an asm macro and a normal instruction.
3948
3949         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
3950         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
3951         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
3952         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
3953         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
3954
3955 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
3956
3957         PR middle-end/39701
3958         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
3959         variables as non-NULL even with -fdelete-null-pointer-checks.
3960
3961 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
3962
3963         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
3964
3965 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3966
3967         PR target/39678
3968         * config/i386/i386.c (classify_argument): Handle SCmode with
3969         (bit_offset % 64) != 0.
3970
3971 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
3972
3973         * doc/invoke.texi (Optimize Options): Add cross-reference to
3974         -Q --help=optimizers examples.
3975
3976 2009-04-10  Ben Elliston  <bje@au.ibm.com>
3977
3978         PR target/36800
3979         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
3980         regalign for the reg == fpr and TDmode case.
3981
3982 2009-04-09  David Ayers  <ayers@fsfe.org>
3983
3984         PR objc/29200
3985         * objc/objc-act.c (warn_with_method): Remove helper function.
3986         (check_duplicates): Call warning and inform directly.
3987         (really_start_method): Likewise.
3988
3989 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
3990
3991         * expmed.c (expand_divmod): Always use a comparison for a division
3992         by a large unsigned integer.
3993
3994         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
3995         for things others than variables or functions as nonzero.
3996
3997 2009-04-09  Nick Clifton  <nickc@redhat.com>
3998
3999         * unwind-compat.c: Change copyright header to refer to version
4000         3 of the GNU General Public License with version 3.1 of the
4001         GCC Runtime Library Exception and to point readers at the
4002         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
4003         * config/alpha/crtfastmath.c: Likewise.
4004         * config/alpha/linux-unwind.h: Likewise.
4005         * config/alpha/qrnnd.asm: Likewise.
4006         * config/alpha/vms-crt0-64.c: Likewise.
4007         * config/alpha/vms-crt0.c: Likewise.
4008         * config/alpha/vms-dwarf2.asm: Likewise.
4009         * config/alpha/vms-dwarf2eh.asm: Likewise.
4010         * config/alpha/vms-psxcrt0-64.c: Likewise.
4011         * config/alpha/vms-psxcrt0.c: Likewise.
4012         * config/alpha/vms_tramp.asm: Likewise.
4013         * config/arc/initfini.c: Likewise.
4014         * config/arc/lib1funcs.asm: Likewise.
4015         * config/arm/bpabi-v6m.S: Likewise.
4016         * config/arm/bpabi.S: Likewise.
4017         * config/arm/bpabi.c: Likewise.
4018         * config/arm/crti.asm: Likewise.
4019         * config/arm/crtn.asm: Likewise.
4020         * config/arm/ieee754-df.S: Likewise.
4021         * config/arm/ieee754-sf.S: Likewise.
4022         * config/arm/lib1funcs.asm: Likewise.
4023         * config/arm/libunwind.S: Likewise.
4024         * config/arm/linux-atomic.c: Likewise.
4025         * config/arm/mmintrin.h: Likewise.
4026         * config/arm/pr-support.c: Likewise.
4027         * config/arm/unaligned-funcs.c: Likewise.
4028         * config/arm/unwind-arm.c: Likewise.
4029         * config/arm/unwind-arm.h: Likewise.
4030         * config/avr/libgcc.S: Likewise.
4031         * config/bfin/crti.s: Likewise.
4032         * config/bfin/crtlibid.s: Likewise.
4033         * config/bfin/crtn.s: Likewise.
4034         * config/bfin/lib1funcs.asm: Likewise.
4035         * config/bfin/linux-unwind.h: Likewise.
4036         * config/cris/arit.c: Likewise.
4037         * config/cris/cris_abi_symbol.c: Likewise.
4038         * config/darwin-64.c: Likewise.
4039         * config/darwin-crt2.c: Likewise.
4040         * config/darwin-crt3.c: Likewise.
4041         * config/darwin.h: Likewise.
4042         * config/dbxelf.h: Likewise.
4043         * config/dfp-bit.c: Likewise.
4044         * config/dfp-bit.h: Likewise.
4045         * config/elfos.h: Likewise.
4046         * config/fixed-bit.c: Likewise.
4047         * config/fixed-bit.h: Likewise.
4048         * config/fp-bit.c: Likewise.
4049         * config/fp-bit.h: Likewise.
4050         * config/fr30/crti.asm: Likewise.
4051         * config/fr30/crtn.asm: Likewise.
4052         * config/fr30/lib1funcs.asm: Likewise.
4053         * config/freebsd-spec.h: Likewise.
4054         * config/frv/cmovd.c: Likewise.
4055         * config/frv/cmovh.c: Likewise.
4056         * config/frv/cmovw.c: Likewise.
4057         * config/frv/frvbegin.c: Likewise.
4058         * config/frv/frvend.c: Likewise.
4059         * config/frv/lib1funcs.asm: Likewise.
4060         * config/glibc-stdint.h: Likewise.
4061         * config/h8300/clzhi2.c: Likewise.
4062         * config/h8300/crti.asm: Likewise.
4063         * config/h8300/crtn.asm: Likewise.
4064         * config/h8300/ctzhi2.c: Likewise.
4065         * config/h8300/fixunssfsi.c: Likewise.
4066         * config/h8300/lib1funcs.asm: Likewise.
4067         * config/h8300/parityhi2.c: Likewise.
4068         * config/h8300/popcounthi2.c: Likewise.
4069         * config/i386/ammintrin.h: Likewise.
4070         * config/i386/att.h: Likewise.
4071         * config/i386/avxintrin.h: Likewise.
4072         * config/i386/biarch64.h: Likewise.
4073         * config/i386/bmmintrin.h: Likewise.
4074         * config/i386/cpuid.h: Likewise.
4075         * config/i386/cross-stdarg.h: Likewise.
4076         * config/i386/crtfastmath.c: Likewise.
4077         * config/i386/crtprec.c: Likewise.
4078         * config/i386/cygming-crtbegin.c: Likewise.
4079         * config/i386/cygming-crtend.c: Likewise.
4080         * config/i386/cygwin.asm: Likewise.
4081         * config/i386/emmintrin.h: Likewise.
4082         * config/i386/gmm_malloc.h: Likewise.
4083         * config/i386/gthr-win32.c: Likewise.
4084         * config/i386/i386.h: Likewise.
4085         * config/i386/immintrin.h: Likewise.
4086         * config/i386/linux-unwind.h: Likewise.
4087         * config/i386/linux64.h: Likewise.
4088         * config/i386/mm3dnow.h: Likewise.
4089         * config/i386/mmintrin-common.h: Likewise.
4090         * config/i386/mmintrin.h: Likewise.
4091         * config/i386/nmmintrin.h: Likewise.
4092         * config/i386/pmm_malloc.h: Likewise.
4093         * config/i386/pmmintrin.h: Likewise.
4094         * config/i386/smmintrin.h: Likewise.
4095         * config/i386/sol2-c1.asm: Likewise.
4096         * config/i386/sol2-ci.asm: Likewise.
4097         * config/i386/sol2-cn.asm: Likewise.
4098         * config/i386/sol2-gc1.asm: Likewise.
4099         * config/i386/tmmintrin.h: Likewise.
4100         * config/i386/unix.h: Likewise.
4101         * config/i386/w32-unwind.h: Likewise.
4102         * config/i386/wmmintrin.h: Likewise.
4103         * config/i386/x86-64.h: Likewise.
4104         * config/i386/x86intrin.h: Likewise.
4105         * config/i386/xmmintrin.h: Likewise.
4106         * config/ia64/crtbegin.asm: Likewise.
4107         * config/ia64/crtend.asm: Likewise.
4108         * config/ia64/crtfastmath.c: Likewise.
4109         * config/ia64/crti.asm: Likewise.
4110         * config/ia64/crtn.asm: Likewise.
4111         * config/ia64/fde-glibc.c: Likewise.
4112         * config/ia64/lib1funcs.asm: Likewise.
4113         * config/ia64/linux-unwind.h: Likewise.
4114         * config/ia64/quadlib.c: Likewise.
4115         * config/ia64/unwind-ia64.c: Likewise.
4116         * config/linux.h: Likewise.
4117         * config/m32c/m32c-lib1.S: Likewise.
4118         * config/m32c/m32c-lib2-trapv.c: Likewise.
4119         * config/m32c/m32c-lib2.c: Likewise.
4120         * config/m32r/initfini.c: Likewise.
4121         * config/m68hc11/larith.asm: Likewise.
4122         * config/m68hc11/m68hc11-crt0.S: Likewise.
4123         * config/m68k/cf.md: Likewise.
4124         * config/m68k/crti.s: Likewise.
4125         * config/m68k/crtn.s: Likewise.
4126         * config/m68k/lb1sf68.asm: Likewise.
4127         * config/m68k/linux-unwind.h: Likewise.
4128         * config/mcore/crti.asm: Likewise.
4129         * config/mcore/crtn.asm: Likewise.
4130         * config/mcore/lib1.asm: Likewise.
4131         * config/mips/linux-unwind.h: Likewise.
4132         * config/mips/loongson.h: Likewise.
4133         * config/mips/mips16.S: Likewise.
4134         * config/mmix/crti.asm: Likewise.
4135         * config/mmix/crtn.asm: Likewise.
4136         * config/pa/fptr.c: Likewise.
4137         * config/pa/hpux-unwind.h: Likewise.
4138         * config/pa/lib2funcs.asm: Likewise.
4139         * config/pa/linux-atomic.c: Likewise.
4140         * config/pa/linux-unwind.h: Likewise.
4141         * config/pa/milli64.S: Likewise.
4142         * config/pa/quadlib.c: Likewise.
4143         * config/pa/stublib.c: Likewise.
4144         * config/picochip/libgccExtras/adddi3.asm: Likewise.
4145         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
4146         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
4147         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
4148         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
4149         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
4150         * config/picochip/libgccExtras/divmod15.asm: Likewise.
4151         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
4152         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
4153         * config/picochip/libgccExtras/longjmp.asm: Likewise.
4154         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
4155         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
4156         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
4157         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
4158         * config/picochip/libgccExtras/setjmp.asm: Likewise.
4159         * config/picochip/libgccExtras/subdi3.asm: Likewise.
4160         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
4161         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
4162         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
4163         * config/rs6000/750cl.h: Likewise.
4164         * config/rs6000/altivec.h: Likewise.
4165         * config/rs6000/biarch64.h: Likewise.
4166         * config/rs6000/crtresfpr.asm: Likewise.
4167         * config/rs6000/crtresgpr.asm: Likewise.
4168         * config/rs6000/crtresxfpr.asm: Likewise.
4169         * config/rs6000/crtresxgpr.asm: Likewise.
4170         * config/rs6000/crtsavfpr.asm: Likewise.
4171         * config/rs6000/crtsavgpr.asm: Likewise.
4172         * config/rs6000/darwin-asm.h: Likewise.
4173         * config/rs6000/darwin-fallback.c: Likewise.
4174         * config/rs6000/darwin-fpsave.asm: Likewise.
4175         * config/rs6000/darwin-ldouble.c: Likewise.
4176         * config/rs6000/darwin-tramp.asm: Likewise.
4177         * config/rs6000/darwin-unwind.h: Likewise.
4178         * config/rs6000/darwin-vecsave.asm: Likewise.
4179         * config/rs6000/darwin-world.asm: Likewise.
4180         * config/rs6000/e500crtres32gpr.asm: Likewise.
4181         * config/rs6000/e500crtres64gpr.asm: Likewise.
4182         * config/rs6000/e500crtres64gprctr.asm: Likewise.
4183         * config/rs6000/e500crtrest32gpr.asm: Likewise.
4184         * config/rs6000/e500crtrest64gpr.asm: Likewise.
4185         * config/rs6000/e500crtresx32gpr.asm: Likewise.
4186         * config/rs6000/e500crtresx64gpr.asm: Likewise.
4187         * config/rs6000/e500crtsav32gpr.asm: Likewise.
4188         * config/rs6000/e500crtsav64gpr.asm: Likewise.
4189         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
4190         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
4191         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
4192         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
4193         * config/rs6000/eabi-ci.asm: Likewise.
4194         * config/rs6000/eabi-cn.asm: Likewise.
4195         * config/rs6000/eabi.asm: Likewise.
4196         * config/rs6000/linux-unwind.h: Likewise.
4197         * config/rs6000/linux64.h: Likewise.
4198         * config/rs6000/paired.h: Likewise.
4199         * config/rs6000/paired.md: Likewise.
4200         * config/rs6000/ppc64-fp.c: Likewise.
4201         * config/rs6000/ppu_intrinsics.h: Likewise.
4202         * config/rs6000/rs6000.h: Likewise.
4203         * config/rs6000/si2vmx.h: Likewise.
4204         * config/rs6000/sol-ci.asm: Likewise.
4205         * config/rs6000/sol-cn.asm: Likewise.
4206         * config/rs6000/spe.h: Likewise.
4207         * config/rs6000/spu2vmx.h: Likewise.
4208         * config/rs6000/sysv4.h: Likewise.
4209         * config/rs6000/tramp.asm: Likewise.
4210         * config/rs6000/vec_types.h: Likewise.
4211         * config/s390/linux-unwind.h: Likewise.
4212         * config/s390/tpf-unwind.h: Likewise.
4213         * config/score/crti.asm: Likewise.
4214         * config/score/crtn.asm: Likewise.
4215         * config/sh/crt1.asm: Likewise.
4216         * config/sh/crti.asm: Likewise.
4217         * config/sh/crtn.asm: Likewise.
4218         * config/sh/divtab-sh4-300.c: Likewise.
4219         * config/sh/divtab-sh4.c: Likewise.
4220         * config/sh/divtab.c: Likewise.
4221         * config/sh/lib1funcs-4-300.asm: Likewise.
4222         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
4223         * config/sh/lib1funcs.asm: Likewise.
4224         * config/sh/lib1funcs.h: Likewise.
4225         * config/sh/linux-atomic.asm: Likewise.
4226         * config/sh/linux-unwind.h: Likewise.
4227         * config/sh/shmedia.h: Likewise.
4228         * config/sh/sshmedia.h: Likewise.
4229         * config/sh/ushmedia.h: Likewise.
4230         * config/sparc/crtfastmath.c: Likewise.
4231         * config/sparc/linux-unwind.h: Likewise.
4232         * config/sparc/sol2-c1.asm: Likewise.
4233         * config/sparc/sol2-ci.asm: Likewise.
4234         * config/sparc/sol2-cn.asm: Likewise.
4235         * config/spu/divmodti4.c: Likewise.
4236         * config/spu/divv2df3.c: Likewise.
4237         * config/spu/float_disf.c: Likewise.
4238         * config/spu/float_unsdidf.c: Likewise.
4239         * config/spu/float_unsdisf.c: Likewise.
4240         * config/spu/float_unssidf.c: Likewise.
4241         * config/spu/mfc_multi_tag_release.c: Likewise.
4242         * config/spu/mfc_multi_tag_reserve.c: Likewise.
4243         * config/spu/mfc_tag_release.c: Likewise.
4244         * config/spu/mfc_tag_reserve.c: Likewise.
4245         * config/spu/mfc_tag_table.c: Likewise.
4246         * config/spu/multi3.c: Likewise.
4247         * config/spu/spu_internals.h: Likewise.
4248         * config/spu/spu_intrinsics.h: Likewise.
4249         * config/spu/spu_mfcio.h: Likewise.
4250         * config/spu/vec_types.h: Likewise.
4251         * config/spu/vmx2spu.h: Likewise.
4252         * config/stormy16/stormy16-lib2.c: Likewise.
4253         * config/svr4.h: Likewise.
4254         * config/sync.c: Likewise.
4255         * config/v850/lib1funcs.asm: Likewise.
4256         * config/vxlib-tls.c: Likewise.
4257         * config/vxlib.c: Likewise.
4258         * config/vxworks-dummy.h: Likewise.
4259         * config/xtensa/crti.asm: Likewise.
4260         * config/xtensa/crtn.asm: Likewise.
4261         * config/xtensa/ieee754-df.S: Likewise.
4262         * config/xtensa/ieee754-sf.S: Likewise.
4263         * config/xtensa/lib1funcs.asm: Likewise.
4264         * config/xtensa/lib2funcs.S: Likewise.
4265         * config/xtensa/linux-unwind.h: Likewise.
4266         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
4267         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
4268         * coretypes.h: Likewise.
4269         * crtstuff.c: Likewise.
4270         * defaults.h: Likewise.
4271         * dwarf2.h: Likewise.
4272         * emutls.c: Likewise.
4273         * gbl-ctors.h: Likewise.
4274         * gcov-io.h: Likewise.
4275         * ginclude/float.h: Likewise.
4276         * ginclude/iso646.h: Likewise.
4277         * ginclude/stdarg.h: Likewise.
4278         * ginclude/stdbool.h: Likewise.
4279         * ginclude/stddef.h: Likewise.
4280         * ginclude/stdfix.h: Likewise.
4281         * ginclude/stdint-gcc.h: Likewise.
4282         * ginclude/tgmath.h: Likewise.
4283         * gthr-aix.h: Likewise.
4284         * gthr-dce.h: Likewise.
4285         * gthr-gnat.c: Likewise.
4286         * gthr-gnat.h: Likewise.
4287         * gthr-lynx.h: Likewise.
4288         * gthr-mipssde.h: Likewise.
4289         * gthr-nks.h: Likewise.
4290         * gthr-posix.c: Likewise.
4291         * gthr-posix.h: Likewise.
4292         * gthr-posix95.h: Likewise.
4293         * gthr-rtems.h: Likewise.
4294         * gthr-single.h: Likewise.
4295         * gthr-solaris.h: Likewise.
4296         * gthr-tpf.h: Likewise.
4297         * gthr-vxworks.h: Likewise.
4298         * gthr-win32.h: Likewise.
4299         * gthr.h: Likewise.
4300         * libgcc2.c: Likewise.
4301         * libgcc2.h: Likewise.
4302         * libgcov.c: Likewise.
4303         * tsystem.h: Likewise.
4304         * typeclass.h: Likewise.
4305         * unwind-c.c: Likewise.
4306         * unwind-compat.h: Likewise.
4307         * unwind-dw2-fde-compat.c: Likewise.
4308         * unwind-dw2-fde-darwin.c: Likewise.
4309         * unwind-dw2-fde-glibc.c: Likewise.
4310         * unwind-dw2-fde.c: Likewise.
4311         * unwind-dw2-fde.h: Likewise.
4312         * unwind-dw2.c: Likewise.
4313         * unwind-dw2.h: Likewise.
4314         * unwind-generic.h: Likewise.
4315         * unwind-pe.h: Likewise.
4316         * unwind-sjlj.c: Likewise.
4317         * unwind.inc: Likewise.
4318         * config/arm/neon-gen.ml: Change generated copyright header to
4319         refer to version 3 of the GNU General Public License with
4320         version 3.1 of the GCC Runtime Library Exception and to point
4321         readers at the COPYING3 and COPYING3.RUNTIME files and the
4322         FSF's license web page.
4323         * config/arm/arm_neon.h: Regenerate.
4324
4325 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
4326
4327         * config/cris/cris.md: Change copyright header to refer to version
4328         3 of the GNU General Public License.
4329         * doc/install.texi2html: Change copyright header to refer to version
4330         3 of the GNU General Public License and to point readers at the
4331         COPYING3 file and the FSF's license web page.
4332         * config/vax/linux.h: Likewise.
4333
4334 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
4335
4336         * config/i386/i386.md (cmpcc): New.
4337         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
4338         (sync_compare_and_swap_cc*): Delete.
4339
4340         * config/s390/s390.c (s390_compare_emitted): Remove.
4341         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
4342         s390_compare_emitted used to be handled.  Assert that modes match.
4343         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
4344         refer to sync_compare_and_swap_ccsi.
4345         * config/s390/s390.h (s390_compare_emitted): Remove.
4346         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
4347         instead of s390_compare_emitted.
4348         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
4349         instead of s390_compare_emitted.
4350         * config/s390/s390.md (cmpcc): New.
4351         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
4352         CC_REGNUM, do not pretend it's set.
4353         (sync_compare_and_swap_cc*): Delete.
4354         * config/s390/predicates.md (cc_reg_operand): New.
4355
4356         * expr.c (sync_compare_and_swap_cc): Delete.
4357         * optabs.h (sync_compare_and_swap_cc): Delete.
4358         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
4359         is being used with can_compare_p.
4360         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
4361         (find_cc_set): New.
4362         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
4363         look for a MODE_CC set instead.  Use emit_store_flag.
4364         (expand_compare_and_swap_loop): Likewise, with some additional
4365         complication to avoid a force_reg when useless.  Use
4366         emit_cmp_and_jump_insns.
4367         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
4368         * doc/md.texi (sync_compare_and_swap_cc): Merge with
4369         sync_compare_and_swap documentation.
4370
4371 2009-04-09  Jan Hubicka  <jh@suse.cz>
4372
4373         * except.c (find_prev_try): Break out from ....
4374         (duplicate_eh_regions): ... here; properly update prev_try pointers
4375         when duplication part of tree.
4376         (dump_eh_tree): Improve dumping.
4377         (verify_eh_region): New.
4378         (verify_eh_tree): Use it.
4379
4380 2009-04-06  Richard Guenther  <rguenther@suse.de>
4381
4382         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
4383         &ARRAY addresses by adjusting their types and prepending
4384         a conversion.
4385         * tree-cfg.c (verify_gimple_assign_single): Verify that
4386         addresses are correct.
4387
4388 2009-04-09  Richard Guenther  <rguenther@suse.de>
4389
4390         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
4391         indices into an array reference if possible.
4392         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4393         Fold POINTER_PLUS_EXPR statements with invariant address.
4394
4395 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
4396
4397         PR target/39634
4398         * config.gcc (powerpc64-*-linux*): Always build biarch.
4399
4400 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
4401
4402         PR c/39613
4403         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
4404         it and pedwarn if this results in an INTEGER_CST.
4405
4406 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4407
4408         * doc/install.texi: Update minimum GMP version.  Remove obsolete
4409         text in MPFR section.
4410
4411 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
4412
4413         * dwarf2out.c (class_scope_p): New static inline.
4414         (class_or_namespace_scope_p): Use it.
4415         (gen_variable_die): Use DW_TAG_member tag for static data member
4416         declarations instead of DW_TAG_variable.
4417
4418         PR middle-end/39573
4419         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
4420         variables.
4421
4422 2009-04-08  Richard Guenther  <rguenther@suse.de>
4423
4424         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
4425         valueize random data.
4426
4427 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
4428
4429         * config.gcc (aix tm_file):  Add aix-stdint.h.
4430         (aix tm clause use_gcc_stdint):  Set to wrap.
4431         * config/rs6000/aix-stdint.h:  New file.
4432
4433 2009-04-08  Richard Guenther  <rguenther@suse.de>
4434
4435         PR middle-end/36291
4436         * tree-dfa.c (add_referenced_var): Do not recurse into
4437         global initializers.
4438         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
4439         exposed variables.
4440         (fold_const_aggregate_ref): Likewise.
4441
4442 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4443
4444         * recog.c (ordered_comparison_operator): New.
4445         * gensupport.c (std_preds): Add it.
4446         * doc/md.texi (Machine-Independent Predicates): Document it.
4447
4448 2009-04-08  Jan Hubicka  <jh@suse.cz>
4449
4450         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
4451         * function.h (rtl_eh): Remove exception_handler_label_map.
4452         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
4453         remove_exception_handler_label, for_each_eh_label_1): Remove.
4454         (rtl_remove_unreachable_regions): Remove.
4455         (convert_from_eh_region_ranges): Do not remove unreachable regions.
4456         (find_exception_handler_labels): Don't build the hashtable.
4457         (maybe_remove_eh_handler): Remove.
4458         (for_each_eh_label): Rewrite to walk the tree.
4459         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
4460         * except.h (maybe_remove_eh_handler): Remove.
4461         * passes.c (init_optimization_passes): Schedule second EH cleanup
4462         before out-of-ssa.
4463         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
4464         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
4465
4466 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
4467
4468         * genoutput.c (validate_optab_operands): New.
4469         (gen_insn, gen_expand): Call it.
4470
4471         * genflags.c (gen_insn): Detect misused iterators.
4472         (main): Pass line_no to gen_insn, exit with status 1 on error.
4473
4474         * genextract.c (line_no): Make global.
4475         (VEC_safe_set_locstr): Change assertion to error message.
4476         (main): Exit with status 1 on error.
4477
4478 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
4479
4480         PR c/39614
4481         PR c/39673
4482         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4483         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4484         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
4485         * c-convert.c (convert): Do not call fold on results of conversion
4486         functions when the result is a C_MAYBE_CONST_EXPR.
4487         * c-parser.c (c_parser_postfix_expression): Do not fold condition
4488         of __builtin_choose_expr.
4489         * c-typeck.c (remove_c_maybe_const_expr): New.
4490         (build_unary_op, build_conditional_expr, build_compound_expr,
4491         build_binary_op, c_objc_common_truthvalue_conversion): Call
4492         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
4493         integer operands.
4494
4495 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
4496
4497         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
4498         CODE to produce a new one. Add a prototype to use fold_convert_const
4499
4500 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
4501
4502         PR bootstrap/39660
4503         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
4504         mix declarations and code.
4505
4506 2009-04-08  Ben Elliston  <bje@au.ibm.com>
4507
4508         * gcc.c: Replace `CC' with `GCC' throughout.
4509
4510 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4511
4512         * doc/invoke.texi: Document Atom support.
4513
4514 2009-04-07  Jason Merrill  <jason@redhat.com>
4515
4516         PR c++/25185
4517         * c-common.h, c-common.c: Add flag_pretty_templates.
4518         * c-opts.c (c_common_handle_option): Set it.
4519         * c.opt: Add -fno-pretty-templates.
4520         * doc/invoke.texi (C++ Dialect Options): Likewise.
4521
4522 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
4523
4524         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
4525         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
4526         (ia64_expand_builtin): Likewise.
4527
4528 2009-04-07  Martin Jambor  <mjambor@suse.cz>
4529
4530         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
4531         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
4532         ADDR_EXPRS are include too.
4533
4534 2009-04-07  Richard Guenther  <rguenther@suse.de>
4535
4536         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
4537         decls are only used if passes as parameters or if they are
4538         local statics and the call is not to a builtin.
4539         (call_may_clobber_ref_p_1): Likewise.
4540
4541 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4542
4543         * expr.c (do_store_flag): Remove last argument.  Simplify code
4544         to avoid duplication of tests already done by can_compare_p.
4545         (expand_expr_real_1): Adjust caller.
4546
4547 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4548
4549         * optabs.c (can_compare_p): Test the predicate of a
4550         cbranch and cstore pattern.
4551
4552 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4553
4554         * expr.c (convert_move): Use emit_store_flag instead of
4555         "emulating" it.
4556
4557 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
4558
4559         * config/i386/i386.c (ix86_compare_emitted): Remove.
4560         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
4561         ix86_compare_op0 like ix86_compare_emitted used to be handled.
4562         * config/i386/i386.h (ix86_compare_emitted): Remove.
4563         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
4564         instead of ix86_compare_emitted.
4565         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
4566
4567 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
4568
4569         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
4570         Add t-sysroot-suffix to tmake_file.
4571         * config/print-sysroot-suffix.sh: New file.
4572         * config/t-sysroot-suffix: New file.
4573
4574 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4575
4576         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
4577         as the latter produces a warning when the target does not support
4578         infinity.
4579
4580 2009-04-07  Ben Elliston  <bje@au.ibm.com>
4581
4582         * dfp.c: Replace type punning assignments with memcpy throughout.
4583         * Makefile.in (dfp.o-warn): Remove.
4584
4585 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
4586
4587         PR target/39634
4588         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
4589         Include soft-fp/t-softfp after rs6000/t-linux64.
4590
4591 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
4592
4593         * stor-layout.c (set_sizetype): Use the full precision of their
4594         machine mode for bitsize types.
4595
4596 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
4597
4598         * config/i386/i386.md: Revert 2 accidental checkins.
4599
4600 2009-04-06  Joey Ye  <joey.ye@intel.com>
4601             Xuepeng Guo  <xuepeng.guo@intel.com>
4602             H.J. Lu  <hongjiu.lu@intel.com>
4603
4604         Atom pipeline model, tuning and insn selection.
4605         * config.gcc (atom): Add atom config options and target.
4606
4607         * config/i386/atom.md: New.
4608
4609         * config/i386/i386.c (atom_cost): New cost.
4610         (m_ATOM): New macro flag.
4611         (initial_ix86_tune_features): Set m_ATOM.
4612         (x86_accumulate_outgoing_args): Likewise.
4613         (x86_arch_always_fancy_math_387): Likewise.
4614         (processor_target): Add Atom cost.
4615         (cpu_names): Add Atom cpu name.
4616         (override_options): Set Atom ISA.
4617         (ix86_issue_rate): New case PROCESSOR_ATOM.
4618         (ix86_adjust_cost): Likewise.
4619
4620         * config/i386/i386.h (TARGET_ATOM): New target macro.
4621         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
4622         (TARGET_OPT_AGU): New target option.
4623         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
4624         (processor_type): Add PROCESSOR_ATOM.
4625
4626         * config/i386/i386.md (cpu): Add new value "atom".
4627         (use_carry, movu): New attr.
4628         (atom.md): Include atom.md.
4629         (adddi3_carry_rex64): Set attr "use_carry".
4630         (addqi3_carry): Likewise.
4631         (addhi3_carry): Likewise.
4632         (addsi3_carry): Likewise.
4633         (*addsi3_carry_zext): Likewise.
4634         (subdi3_carry_rex64): Likewise.
4635         (subqi3_carry): Likewise.
4636         (subhi3_carry): Likewise.
4637         (subsi3_carry): Likewise.
4638         (x86_movdicc_0_m1_rex64): Likewise.
4639         (*x86_movdicc_0_m1_se): Likewise.
4640         (x86_movsicc_0_m1): Likewise.
4641         (*x86_movsicc_0_m1_se): Likewise.
4642         (*adddi_1_rex64): Emit add insn as much as possible.
4643         (*addsi_1): Likewise.
4644         (return_internal): Set atom_unit.
4645         (return_internal_long): Likewise.
4646         (return_pop_internal): Likewise.
4647         (*rcpsf2_sse): Set atom_sse_attr attr.
4648         (*qrt<mode>2_sse): Likewise.
4649         (*prefetch_sse): Likewise.
4650
4651         * config/i386/i386-c.c (ix86_target_macros_internal): New case
4652         PROCESSOR_ATOM.
4653         (ix86_target_macros_internal): Likewise.
4654
4655         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
4656         (*prefetch_sse_rex): Likewise.
4657         (sse_rcpv4sf2): Likewise.
4658         (sse_vmrcpv4sf2): Likewise.
4659         (sse_sqrtv4sf2): Likewise.
4660         (<sse>_vmsqrt<mode>2): Likewise.
4661         (sse_ldmxcsr): Likewise.
4662         (sse_stmxcsr): Likewise.
4663         (*sse_sfence): Likewise.
4664         (sse2_clflush): Likewise.
4665         (*sse2_mfence): Likewise.
4666         (*sse2_lfence): Likewise.
4667         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
4668         (<sse>_movup<ssemodesuffixf2c>): Likewise.
4669         (avx_movdqu<avxmodesuffix>): Likewise.
4670         (avx_lddqu<avxmodesuffix>): Likewise.
4671         (sse2_movntv2di): Change attr "type" to "ssemov".
4672         (sse2_movntsi): Likewise.
4673         (rsqrtv8sf2): Change attr "type" to "sseadd".
4674         (sse3_addsubv2df3): Set attr "atom_unit".
4675         (sse3_h<plusminus_insn>v4sf3): Likewise.
4676         (*sse2_pmaddwd): Likewise.
4677         (*vec_extractv2di_1_rex64): Likewise.
4678         (*vec_extractv2di_1_avx): Likewise.
4679         (sse2_psadbw): Likewise.
4680         (ssse3_phaddwv8hi3): Likewise.
4681         (ssse3_phaddwv4hi3): Likewise.
4682         (ssse3_phadddv4si3): Likewise.
4683         (ssse3_phadddv2si3): Likewise.
4684         (ssse3_phaddswv8hi3): Likewise.
4685         (ssse3_phaddswv4hi3): Likewise.
4686         (ssse3_phsubwv8hi3): Likewise.
4687         (ssse3_phsubwv4hi3): Likewise.
4688         (ssse3_phsubdv4si3): Likewise.
4689         (ssse3_phsubdv2si3): Likewise.
4690         (ssse3_phsubswv8hi3): Likewise.
4691         (ssse3_phsubswv4hi3): Likewise.
4692         (ssse3_pmaddubsw128): Likewise.
4693         (sse3_pmaddubsw: Likewise.
4694         (ssse3_palignrti): Likewise.
4695         (ssse3_palignrdi): Likewise.
4696
4697 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
4698
4699         * doc/install.texi (Specific): Fix two cross-references to MinGW.
4700
4701 2009-04-06  Richard Guenther  <rguenther@suse.de>
4702
4703         PR tree-optimization/28868
4704         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
4705         of which PHI results we inserted.
4706         (insert_into_preds_of_block): Record inserted PHIs.
4707         (eliminate): Eliminate redundant PHI nodes.
4708         (init_pre): Init inserted_phi_names.
4709
4710 2009-04-06  Richard Guenther  <rguenther@suse.de>
4711
4712         PR tree-optimization/39643
4713         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
4714         IMAGPART_EXPRs of complex constants.
4715         (execute_fold_all_builtins): If we folded a call queue
4716         TODO_update_address_taken.
4717
4718 2009-04-06  Jan Hubicka  <jh@suse.cz>
4719
4720         PR middle-end/39659
4721         * except.c (remove_unreachable_regions): Propagate may_contain_throw
4722         flag.
4723
4724 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
4725
4726         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
4727         delay slot.
4728         (ic_invalidate_array): Likewise.
4729
4730 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
4731
4732         * calls.c (emit_library_call_value_1): Fix a problem with parameter
4733         alignment for library calls.
4734
4735 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
4736
4737         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
4738         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
4739         * config/i386/mingw-stdint.h:  New file.
4740
4741 2009-04-05  Richard Guenther  <rguenther@suse.de>
4742
4743         PR tree-optimization/39648
4744         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
4745         our &A vs. &A[0] IL deficiencies.
4746
4747 2009-04-04  Jan Hubicka  <jh@suse.cz>
4748
4749         * except.c (sjlj_find_directly_reachable_regions): Be ready for
4750         removed toplevel regions.
4751         (sjlj_mark_call_sites): Likewise.
4752
4753 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
4754
4755         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
4756         (cygwin tm clause use_gcc_stdint):  Set to wrap.
4757         * config/i386/cygwin-stdint.h:  New file.
4758
4759 2009-04-04  Richard Guenther  <rguenther@suse.de>
4760
4761         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
4762         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
4763         single-argument PHIs if we are in loop-closed SSA form.
4764         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
4765         for the pre-condition.
4766         (slpeel_tree_peel_loop_to_edge): Likewise.
4767         (vect_build_loop_niters): Take an optional sequence to append stmts.
4768         (vect_generate_tmps_on_preheader): Likewise.
4769         (vect_do_peeling_for_loop_bound): Take extra guards for the
4770         pre-condition.
4771         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
4772         the cost model check.
4773         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
4774         guards if we are going to peel.  Do not apply versioning in that case.
4775         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
4776         (vect_do_peeling_for_loop_bound): Likewise.
4777         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
4778         loop bound only record extra pre-conditions, do not apply loop
4779         versioning.
4780
4781 2009-04-04  Richard Guenther  <rguenther@suse.de>
4782
4783         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
4784         renaming code.
4785
4786 2009-04-04  Jan Hubicka  <jh@suse.cz>
4787
4788         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4789         last_basic_block for size of bb->index indexed array.
4790         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
4791         compute_out, link_btr_uses, build_btr_def_use_webs,
4792         build_btr_def_use_webs, migrate_btr_defs): Likewise.
4793
4794 2009-04-04  Jan Hubicka  <jh@suse.cz>
4795
4796         * except.c (remove_eh_handler_and_replace): Break out from ...
4797         (remove_eh_handler): ... here.
4798         (bring_to_root): New function.
4799         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
4800         handled ones, bring others to root of tree.
4801
4802 2009-04-04  Jan Hubicka  <jh@suse.cz>
4803
4804         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
4805         (all_phis_safe_to_merge): New function.
4806         (update_info): New structure.
4807         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
4808         (cleanup_empty_eh): Update SSA if possible.
4809
4810 2009-04-04  Richard Guenther  <rguenther@suse.de>
4811
4812         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
4813         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
4814         (append_vuse): Likewise.
4815
4816 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
4817
4818         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
4819         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
4820         instead of REG_UNSAVED for DW_CFA_undefined.
4821         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
4822         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
4823         outermost frame.
4824
4825 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
4826
4827         PR target/39501
4828         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
4829         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
4830         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
4831
4832 2009-04-04  Richard Guenther  <rguenther@suse.de>
4833
4834         PR tree-optimization/8781
4835         PR tree-optimization/37892
4836         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
4837         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
4838         (valueize_refs): Call it for *& valueizations.
4839         (shared_reference_ops_from_ref): Rename to ...
4840         (valueize_shared_reference_ops_from_ref): ... this and valueize.
4841         (shared_reference_ops_from_call): Rename to ...
4842         (valueize_shared_reference_ops_from_call): ... this and valueize.
4843         (vn_reference_lookup): Update.
4844         (visit_reference_op_call): Likewise.
4845         * tree-ssa-pre.c (phi_translate_1): Fold *&.
4846         (eliminate): Value-replace the call address in call statements.
4847
4848 2009-04-04  Richard Guenther  <rguenther@suse.de>
4849
4850         PR tree-optimization/39636
4851         * tree-ssa-forwprop.c
4852         (forward_propagate_addr_into_variable_array_index): Check for
4853         GIMPLE_ASSIGN before accessing the rhs code.
4854
4855 2009-04-03  Jason Merrill  <jason@redhat.com>
4856
4857         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
4858
4859 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
4860
4861         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
4862         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
4863         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
4864         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
4865         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
4866         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
4867         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
4868         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
4869         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
4870         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
4871         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
4872         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
4873         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
4874         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
4875         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
4876         Use fr_reg_or_fp01_operand instead of fr_register_operand
4877
4878         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
4879         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
4880         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
4881
4882 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
4883
4884         PR rtl-optimization/39607
4885         PR rtl-optimization/39631
4886
4887         Revert:
4888
4889         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
4890         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
4891         instead of DF_LR_OUT.
4892         * ira-lives.c (process_bb_node_lives): Ditto.
4893         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
4894         instead of DF_LR_{OUT,IN}.
4895         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
4896         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
4897
4898 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
4899
4900         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
4901         (execute_lower_omp): Always run but take the short way out if -fopenmp
4902         is not given.
4903         (gate_lower_omp): Remove, forcing the pass manager to always run the
4904         pass and always set PROP_gimple_lomp.
4905         (pass_lower_omp): Remove gate function.
4906         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
4907         PROP_trees.  Instead, require it.
4908         * ipa-cp.c (pass_ipa_cp): Likewise.
4909         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
4910         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
4911         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
4912         and PROP_gimple_leh.
4913
4914 2009-04-03  Richard Guenther  <rguenther@suse.de>
4915
4916         PR middle-end/13146
4917         PR tree-optimization/23940
4918         PR tree-optimization/33237
4919         PR middle-end/33974
4920         PR middle-end/34093
4921         PR tree-optimization/36201
4922         PR tree-optimization/36230
4923         PR tree-optimization/38049
4924         PR tree-optimization/38207
4925         PR tree-optimization/38230
4926         PR tree-optimization/38301
4927         PR tree-optimization/38585
4928         PR middle-end/38895
4929         PR tree-optimization/38985
4930         PR tree-optimization/39299
4931         * tree-ssa-structalias.h: Remove.
4932         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
4933         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
4934         (struct vuse_element_d): Remove.
4935         (struct vuse_vec_d): Likewise.
4936         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
4937         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
4938         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
4939         VUSE_ELEMENT_VAR): Likewise.
4940         (struct voptype_d): Likewise.
4941         (NUM_VOP_FREE_BUCKETS): Likewise.
4942         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
4943         (struct stmt_operands_d): Remove.
4944         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
4945         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
4946         VDEF_NUM, VDEF_VECT): Likewise.
4947         (copy_virtual_operands): Remove.
4948         (operand_build_cmp): Likewise.
4949         (create_ssa_artificial_load_stmt): Likewise.
4950         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
4951         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
4952         vuse_index and mayuse_index members.  Pack and move done and iter_type
4953         members to the front.
4954         (SSA_OP_VMAYUSE): Remove.
4955         (SSA_OP_VIRTUAL_USES): Adjust.
4956         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
4957         (unlink_stmt_vdef): Declare.
4958         (add_to_addressable_set): Remove.
4959         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
4960         (vrp_visit_stmt): Likewise.
4961         * doc/tree-ssa.texi (Alias analysis): Update.
4962         * doc/invoke.texi (max-aliased-vops): Remove docs.
4963         (avg-aliased-vops): Likewise.
4964         * tree-into-ssa.c (syms_to_rename): Remove.
4965         (need_to_update_vops_p): Likewise.
4966         (need_to_initialize_update_ssa_p): Rename to ...
4967         (update_ssa_initialized_fn): ... this.  Track function we are
4968         initialized for.
4969         (symbol_marked_for_renaming): Simplify.
4970         (add_new_name_mapping): Do not set need_to_update_vops_p.
4971         (dump_currdefs): Use SYMS_TO_RENAME.
4972         (rewrite_update_stmt): Always walk all uses/defs.
4973         (dump_update_ssa): Adjust.
4974         (init_update_ssa): Take function argument.  Track what we are
4975         initialized for.
4976         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
4977         (create_new_def_for): Initialize for cfun, assert we are initialized
4978         for cfun.
4979         (mark_sym_for_renaming): Simplify.
4980         (mark_set_for_renaming): Do not initialize update-ssa.
4981         (need_ssa_update_p): Simplify.  Take function argument.
4982         (name_mappings_registered_p): Assert we ask for the correct function.
4983         (name_registered_for_update_p): Likewise.
4984         (ssa_names_to_replace): Likewise.
4985         (release_ssa_name_after_update_ssa): Likewise.
4986         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
4987         (dump_decl_set): Do not print a newline.
4988         (debug_decl_set): Do it here.
4989         (dump_update_ssa): And here.
4990         * tree-ssa-loop-im.c (move_computations): Adjust.
4991         (movement_possibility): Likewise.
4992         (determine_max_movement): Likewise.
4993         (gather_mem_refs_stmt): Likewise.
4994         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
4995         or NAME_MEMORY_TAG.
4996         * tree-complex.c (update_all_vops): Remove.
4997         (expand_complex_move): Adjust.
4998         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
4999         Simplify test for memory referencing statement.  Exclude
5000         non-invariant ADDR_EXPRs.
5001         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
5002         * tree-loop-distribution.c (generate_memset_zero): Adjust.
5003         (rdg_flag_uses): Likewise.
5004         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
5005         related code.
5006         (tree_optimize_tail_calls_1): Also split the
5007         edge from the entry block if we have degenerate PHI nodes in
5008         the first basic block.
5009         * tree.c (init_ttree): Remove memory-tag related code.
5010         (tree_code_size): Likewise.
5011         (tree_node_structure): Likewise.
5012         (build7_stat): Re-write to be build6_stat.
5013         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
5014         (SSA_VAR_P): Adjust.
5015         (struct tree_memory_tag): Remove.
5016         (struct tree_memory_partition_tag): Likewise.
5017         (union tree_node): Adjust.
5018         (build7): Re-write to be build6.
5019         * tree-pass.h (pass_reset_cc_flags): Remove.
5020         (TODO_update_address_taken): New flag.
5021         (pass_simple_dse): Remove.
5022         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
5023         * params.h (MAX_ALIASED_VOPS): Remove.
5024         (AVG_ALIASED_VOPS): Likewise.
5025         * omp-low.c (expand_omp_taskreg): Update SSA form.
5026         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
5027         aliases the lhs in a copy stmt.
5028         * tree-ssa-dse.c (struct address_walk_data): Remove.
5029         (memory_ssa_name_same): Likewise.
5030         (memory_address_same): Likewise.
5031         (get_kill_of_stmt_lhs): Likewise.
5032         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
5033         unused stores.  Look through PHI nodes into post-dominated regions.
5034         (dse_optimize_stmt): Simplify.  Properly remove stores.
5035         (tree_ssa_dse): Compute dominators.
5036         (execute_simple_dse): Remove.
5037         (pass_simple_dse): Likewise.
5038         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
5039         gimple_loaded_syms and gimple_stored_syms computation.
5040         * toplev.c (dump_memory_report): Dump alias and pta stats.
5041         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
5042         (vn_reference_eq): Likewise.
5043         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
5044         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
5045         valueize_vuses): Remove.
5046         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
5047         (get_def_ref_stmt_vuse): ... this.
5048         (vn_reference_lookup_2): New function.
5049         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
5050         walking equivalent vuses.  Simplify.
5051         (vn_reference_lookup): Likewise.
5052         (vn_reference_insert): Likewise.
5053         (vn_reference_insert_pieces): Likewise.
5054         (visit_reference_op_call): Simplify.
5055         (visit_reference_op_load): Likewise.
5056         (visit_reference_op_store): Likewise.
5057         (init_scc_vn): Remove shared_lookup_vuses initialization.
5058         (free_scc_vn): Remove shared_lookup_vuses freeing.
5059         (sort_vuses, sort_vuses_heap): Remove.
5060         (get_ref_from_reference_ops): Export.
5061         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
5062         vector with single vuse pointer.
5063         (vn_reference_lookup_pieces, vn_reference_lookup,
5064         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
5065         (shared_vuses_from_stmt): Remove.
5066         (get_ref_from_reference_ops): Declare.
5067         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
5068         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
5069         memory-tag related code.
5070         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
5071         (likely_value): Add comment, skip static-chain of call statements.
5072         (surely_varying_stmt_p): Adjust.
5073         (gimplify_and_update_call_from_tree): Likewise.
5074         (execute_fold_all_builtins): Do not rebuild alias info.
5075         (gimplify_and_update_call_from_tree): Properly update VOPs.
5076         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
5077         (copy_ref_info): Remove memory-tag related code.
5078         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
5079         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
5080         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
5081         computation.
5082         * tree-ssa-dom.c (gimple_p): Remove typedef.
5083         (eliminate_redundant_computations): Adjust.
5084         (record_equivalences_from_stmt): Likewise.
5085         (avail_expr_hash): Likewise.
5086         (avail_expr_eq): Likewise.
5087         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
5088         (stmt_makes_single_load): Likewise.
5089         (stmt_makes_single_store): Likewise.
5090         * tree-ssa-alias.c: Rewrite completely.
5091         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
5092         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
5093         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
5094         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
5095         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
5096         Remove public functions.
5097         (pass_reset_cc_flags): Remove.
5098         (pass_build_alias): Move ...
5099         * tree-ssa-structalias.c (pass_build_alias): ... here.
5100         * tree-ssa-alias.c (may_be_aliased): Move ...
5101         * tree-flow-inline.h (may_be_aliased): ... here.
5102         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
5103         count_uses_and_derefs): Move ...
5104         * gimple.c: ... here.
5105         * gimple.h (count_uses_and_derefs): Declare.
5106         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
5107         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
5108         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
5109         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
5110         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
5111         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
5112         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
5113         New functions.
5114         * tree-dfa.c (refs_may_alias_p): Move ...
5115         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
5116         * tree-ssa-alias.h: New file.
5117         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
5118         (statement_sink_location): Likewise.
5119         * opts.c (decode_options): Do not adjust max-aliased-vops or
5120         avg-aliased-vops values.
5121         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
5122         (TV_CALL_CLOBBER): Likewise.
5123         (TV_FLOW_SENSITIVE): Likewise.
5124         (TV_FLOW_INSENSITIVE): Likewise.
5125         (TV_MEMORY_PARTITIONING): Likewise.
5126         (TV_ALIAS_STMT_WALK): New timevar.
5127         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
5128         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
5129         (get_address_description): Remove memory-tag related code.
5130         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
5131         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
5132         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
5133         and immediate uses in statements.  Document.
5134         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
5135         (dump_symbols): Remove.
5136         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
5137         * alias.c (get_deref_alias_set): New function split out from ...
5138         (get_alias_set): ... here.
5139         * alias.h (get_deref_alias_set): Declare.
5140         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
5141         type parameter.  Remove restrict pointer handling.  Create a
5142         ref-all pointer in case type-based alias sets do not conflict.
5143         (vect_analyze_data_refs): Remove SMT related code.
5144         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
5145         (vectorizable_load): Likewise.
5146         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
5147         (DR_SYMBOL_TAG, DR_VOPS): Remove.
5148         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
5149         Ignore vops and SMTs.
5150         (dr_analyze_alias): Likewise..
5151         (free_data_ref): Likewise.
5152         (create_data_ref): Likewise.
5153         (analyze_all_data_dependences): Likewise.
5154         (get_references_in_stmt): Adjust.
5155         * tree-flow-inline.h (gimple_aliases_computed_p,
5156         gimple_addressable_vars, gimple_call_clobbered_vars,
5157         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
5158         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
5159         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
5160         gimple_mem_ref_stats): Remove.
5161         (gimple_vop): New function.
5162         (op_iter_next_use): Remove vuses and mayuses cases.
5163         (op_iter_next_def): Remove vdefs case.
5164         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
5165         (clear_and_done_ssa_iter): Do not set removed fields.
5166         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
5167         Assert we are not iterating over vuses or vdefs if not also
5168         iterating over uses or defs.
5169         (op_iter_init_use): Likewise.
5170         (op_iter_init_def): Likewise.
5171         (op_iter_next_vdef): Remove.
5172         (op_iter_next_mustdef): Likewise.
5173         (op_iter_init_vdef): Likewise.
5174         (compare_ssa_operands_equal): Likewise.
5175         (link_use_stmts_after): Handle vuse operand.
5176         (is_call_used): Use is_call_clobbered.
5177         (is_call_clobbered): Global variables are always call clobbered,
5178         query the call-clobbers bitmap.
5179         (mark_call_clobbered): Ignore global variables.
5180         (clear_call_clobbered): Likewise.
5181         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
5182         virtual operands sanity check.
5183         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
5184         Remove.
5185         (TARGET_MEM_REF): Remove TMR_TAG operand.
5186         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
5187         Remove call-clobber related code.
5188         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
5189         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
5190         partitions or escape reason.
5191         (get_single_def_stmt, get_single_def_stmt_from_phi,
5192         get_single_def_stmt_with_phi): Remove.
5193         (dump_referenced_vars): Tidy.
5194         (get_ref_base_and_extent): Allow bare decls.
5195         (collect_dfa_stats): Adjust.
5196         * graphite.c (rename_variables_in_stmt): Adjust.
5197         (graphite_copy_stmts_from_block): Likewise.
5198         (translate_clast): Likewise.
5199         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
5200         (EXPR_DIES): New.
5201         (translate_vuse_through_block): Use the oracle.
5202         (phi_translate_1): Adjust.
5203         (value_dies_in_block_x): Use the oracle.  Cache the outcome
5204         in EXPR_DIES.
5205         (valid_in_sets): Check if the VUSE for
5206         a REFERENCE is available.
5207         (eliminate): Do not remove stmts during elimination,
5208         instead queue and remove them afterwards.
5209         (do_pre): Do not rebuild alias info.
5210         (pass_pre): Run TODO_rebuild_alias before PRE.
5211         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
5212         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
5213         (mark_all_v_defs_stmt): Remove.
5214         (mark_all_v_defs_seq): Adjust.
5215         (sra_replace): Likewise.
5216         (scalarize_use): Likewise.
5217         (scalarize_copy): Likewise.
5218         (scalarize_init): Likewise.
5219         (scalarize_ldst): Likewise.
5220         (todoflags): Remove.
5221         (tree_sra): Do not rebuild alias info.
5222         (tree_sra_early): Adjust.
5223         (pass_sra): Run TODO_update_address_taken before SRA.
5224         * tree-predcom.c (set_alias_info): Remove.
5225         (prepare_initializers_chain): Do not call it.
5226         (mark_virtual_ops_for_renaming): Adjust.
5227         (mark_virtual_ops_for_renaming_list): Remove.
5228         (initialize_root_vars): Adjust.
5229         (initialize_root_vars_lm): Likewise.
5230         (prepare_initializers_chain): Likewise.
5231         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
5232         (may_propagate_copy_into_stmt): Likewise.
5233         (merge_alias_info): Do nothing for now.
5234         (propagate_tree_value_into_stmt): Adjust.
5235         (stmt_may_generate_copy): Likewise.
5236         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
5237         not mark symbols for renaming.
5238         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
5239         with the same statement, make sure to update the new pointed-to one.
5240         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
5241         call statements, do not mark symbols for renaming.
5242         (mark_operand_necessary): Dump something.
5243         (ref_may_be_aliased): New function.
5244         (mark_aliased_reaching_defs_necessary_1): New helper function.
5245         (mark_aliased_reaching_defs_necessary): Likewise.
5246         (mark_all_reaching_defs_necessary_1): Likewise.
5247         (mark_all_reaching_defs_necessary): Likewise.
5248         (propagate_necessity): Do not process virtual PHIs.  For
5249         non-aliased loads mark all reaching definitions as necessary.
5250         For aliased loads and stores mark the immediate dominating
5251         aliased clobbers as necessary.
5252         (visited): New global static.
5253         (perform_tree_ssa_dce): Free visited bitmap after propagating
5254         necessity.
5255         (remove_dead_phis): Perform simple dead virtual PHI removal.
5256         (remove_dead_stmt): Properly unlink virtual operands when
5257         removing stores.
5258         (eliminate_unnecessary_stmts): Schedule PHI removal after
5259         stmt removal.
5260         * tree-ssa-ter.c (is_replaceable_p): Adjust.
5261         (process_replaceable): Likewise.
5262         (find_replaceable_in_bb): Likewise.
5263         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
5264         based on the single gimple vop.
5265         (verify_flow_insensitive_alias_info): Remove.
5266         (verify_flow_sensitive_alias_info): Likewise.
5267         (verify_call_clobbering): Likewise.
5268         (verify_memory_partitions): Likewise.
5269         (verify_alias_info): Likewise.
5270         (verify_ssa): Adjust..
5271         (execute_update_addresses_taken): Export.  Update SSA
5272         manually.  Optimize only when optimizing.  Use a local bitmap.
5273         (pass_update_address_taken): Remove TODO_update_ssa, add
5274         TODO_dump_func.
5275         (pass_update_address_taken): Just use TODO_update_address_taken.
5276         (init_tree_ssa): Do not initialize addressable_vars.
5277         (verify_ssa): Verify new VUSE / VDEF properties.
5278         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
5279         Do not call verify_alias_info.
5280         (delete_tree_ssa): Clear the VUSE, VDEF operands.
5281         Do not free the loaded and stored syms bitmaps.  Reset the escaped
5282         and callused solutions.  Do not free addressable_vars.
5283         Remove memory-tag related code.
5284         (warn_uninitialized_var): Aliases are always available.
5285         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
5286         * lambda-code.c (can_put_in_inner_loop): Adjust.
5287         (can_put_after_inner_loop): Likewise.
5288         (perfect_nestify): Likewise.
5289         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
5290         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
5291         (vectorizable_conversion): Do not mark symbols for renaming.
5292         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
5293         (expand_call_inline): Unlink the calls virtual operands before
5294         replacing it.
5295         (tree_function_versioning): Do not call update_ssa if we are not
5296         updating clones.  Simplify.
5297         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
5298         (propagate_with_phi): Likewise..
5299         * tree-outof-ssa.c (create_temp): Remove memory tag and call
5300         clobber code.  Assert we are not aliased or global.
5301         * tree-flow.h: Include tree-ssa-alias.h
5302         (enum escape_type): Remove.
5303         (struct mem_sym_stats_d): Likewise.
5304         (struct mem_ref_stats_d): Likewise.
5305         (struct gimple_df): Add vop member.  Remove global_var,
5306         call_clobbered_vars, call_used_vars, addressable_vars,
5307         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
5308         escaped and callused members.
5309         (struct ptr_info_def): Remove all members, add points-to solution
5310         member pt.
5311         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
5312         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
5313         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
5314         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
5315         (tree-ssa-alias.o): Likewise.
5316         (toplev.o): Add tree-ssa-alias.h
5317         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
5318         * gimple.c (gimple_set_bb): Fix off-by-one error.
5319         (is_gimple_reg): Do not handle memory tags.
5320         (gimple_copy): Also copy virtual operands.
5321         Delay updating the statement.  Do not reset loaded and stored syms.
5322         (gimple_set_stored_syms): Remove.
5323         (gimple_set_loaded_syms): Likewise.
5324         (gimple_call_copy_skip_args): Copy the virtual operands
5325         and mark the new statement modified.
5326         * tree-ssa-structalias.c (may_alias_p): Remove.
5327         (set_uids_in_ptset): Take the alias set to prune with as
5328         parameter.  Fold in the alias test of may_alias_p.
5329         (compute_points_to_sets): Compute whether a ptr is dereferenced
5330         in a local sbitmap.
5331         (process_constraint): Deal with &ANYTHING on the lhs, reject all
5332         other ADDRESSOF constraints on the lhs.
5333         (get_constraint_for_component_ref): Assert that we don't get
5334         ADDRESSOF constraints from the base of the reference.
5335         Properly generate UNKNOWN_OFFSET for DEREF if needed.
5336         (struct variable_info): Remove collapsed_to member.
5337         (get_varinfo_fc): Remove.
5338         (new_var_info): Do not set collapsed_to.
5339         (dump_constraint): Do not follow cycles.
5340         (dump_constraint_graph): Likewise.
5341         (build_pred_graph): Likewise.
5342         (build_succ_graph): Likewise.
5343         (rewrite_constraints): Likewise.
5344         (do_simple_structure_copy): Remove.
5345         (do_rhs_deref_structure_copy): Remove.
5346         (do_lhs_deref_structure_copy): Remove.
5347         (collapse_rest_of_var): Remove.
5348         (do_structure_copy): Re-implement.
5349         (pta_stats): New global variable.
5350         (dump_pta_stats): New function.
5351         (struct constraint_expr): Make offset signed.
5352         (UNKNOWN_OFFSET): Define special value.
5353         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
5354         (solution_set_expand): New helper function split out from ...
5355         (do_sd_constraint): ... here.
5356         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
5357         (do_ds_constraint): Likewise.
5358         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
5359         and CALLUSED = *CALLUSED.
5360         (set_union_with_increment): Make inc argument signed.
5361         (type_safe): Remove.
5362         (get_constraint_for_ptr_offset): Handle unknown and negative
5363         constant offsets.
5364         (first_vi_for_offset): Handle offsets before start.  Bail
5365         out early for offsets beyond the variable extent.
5366         (first_or_preceding_vi_for_offset): New function.
5367         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
5368         Together with ESCAPED = *ESCAPED this properly computes reachability.
5369         (find_what_var_points_to): New function.
5370         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
5371         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
5372         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
5373         pt_solutions_intersect): New functions.
5374         (compute_call_used_vars): Remove.
5375         (compute_may_aliases): New main entry into PTA computation.
5376         * gimple.h (gimple_p): New typedef.
5377         (struct gimple_statement_base): Remove references_memory_p.
5378         (struct gimple_statement_with_memory_ops_base): Remove
5379         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
5380         members.
5381         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
5382         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
5383         gimple_set_references_memory): Remove.
5384         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
5385         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
5386         New functions.
5387         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
5388         (verify_expr): Allow RESULT_DECL.
5389         (gimple_duplicate_bb): Do not copy virtual operands.
5390         (gimple_duplicate_sese_region): Adjust.
5391         (gimple_duplicate_sese_tail): Likewise.
5392         (mark_virtual_ops_in_region): Remove.
5393         (move_sese_region_to_fn): Do not call it.
5394         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
5395         and pass_simple_dse.
5396         (execute_function_todo): Handle TODO_update_address_taken,
5397         call execute_update_addresses_taken for TODO_rebuild_alias.
5398         (execute_todo): Adjust.
5399         (execute_one_pass): Init dump files early.
5400         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
5401         call-clobbered.
5402         (create_general_new_stmt): Clear vops.
5403         * tree-ssa-reassoc.c (get_rank): Adjust.
5404         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
5405         symbols for renaming.
5406         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
5407         (PARAM_AVG_ALIASED_VOPS): Likewise.
5408         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
5409         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
5410         * tree-ssa-operands.c: Simplify for new virtual operand representation.
5411         (operand_build_cmp, copy_virtual_operands,
5412         create_ssa_artificial_load_stmt, add_to_addressable_set,
5413         gimple_add_to_addresses_taken): Remove public functions.
5414         (unlink_stmt_vdef): New function.
5415
5416 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5417
5418         * config.gcc (powerpc-*-linux*): Merge variants.
5419
5420 2009-04-02  Chao-ying Fu  <fu@mips.com>
5421             James Grosbach  <james.grosbach@microchip.com>
5422
5423         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
5424         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
5425         cop0_sp_offset.
5426         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
5427         keep_interrupts_masked_p, use_debug_exception_return_p.
5428         (mips_attribute_table): Add interrupt, use_shadow_register_set,
5429         keep_interrupts_masked, use_debug_exception_return.
5430         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
5431         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
5432         New functions.
5433         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
5434         (mips_print_operand): Process COP0 registers to print $0 .. $31
5435         correctly for GAS to process.
5436         (mips_interrupt_extra_call_saved_reg_p): New function.
5437         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
5438         extra registers.
5439         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
5440         (mips_compute_frame_info): Add supports for interrupt context that
5441         includes doubleword accumulators and COP0 registers.
5442         (mips_for_each_saved_acc): New function.
5443         (mips_for_each_saved_gpr_and_fpr): Change the function name from
5444         mips_for_each_saved_reg.
5445         (mips_save_reg): Save accumulators.
5446         (mips_kernel_reg_p): A new for_each_rtx callback.
5447         (mips_expand_prologue): Support interrupt handlers.
5448         (mips_restore_reg): Restore accumulators.
5449         (mips_expand_epilogue): Support interrupt handlers.
5450         (mips_can_use_return_insn): Return false for interrupt handlers.
5451         (mips_epilogue_uses): New function.
5452         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
5453         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
5454         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
5455         cop0_move): New instructions.
5456         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
5457         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
5458         defines.
5459         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
5460         New defines.
5461         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
5462         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
5463         interrupt handlers, we use K0 as the temporary register.
5464         (EPILOGUE_USES): Change to a function call.
5465         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
5466         handlers, we use K0 as the temporary register.
5467
5468         * doc/extend.texi (Function Attributes): Document interrupt,
5469         use_shadow_register_set, keep_interrupts_masked,
5470         use_debug_exception_return for MIPS attributes.
5471
5472 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
5473
5474         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
5475         Remove a number of t-files from tmake_file.
5476         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
5477         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
5478         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
5479         target_prototype, not TARGET_PROTOTYPE.
5480         (LINK_OS_GNU_SPEC): Define.
5481         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
5482         and darwin-ldoubdle.c.
5483
5484 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
5485
5486         PR driver/39293
5487         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
5488         (cpp_options): Ditto.
5489         (default_compilers): Ditto.
5490         (display_help): Ditto.
5491         (process_command): Ditto.
5492         (do_spec_1): Ditto.
5493         (set_input): Use lbasename instead of duplicate code.
5494         (save_temps_prefix): New static for -save-temps=obj.
5495         (save_temps_length): Ditto.
5496
5497         * doc/invoke.texi (-save-temps=obj): Document new variant to
5498         -save-temps switch.
5499
5500 2009-04-02  Jeff Law  <law@redhat.com>
5501
5502         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
5503         variable.
5504
5505 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5506
5507         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
5508         * configure: Regenerated.
5509
5510 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5511
5512         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
5513         share the argument list.
5514
5515 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5516
5517         Merge
5518
5519         2009-02-12  Diego Novillo  <dnovillo@google.com>
5520
5521         * varpool.c (debug_varpool): New.
5522         * cgraph.h (debug_varpool): Declare.
5523
5524 2009-04-02  Jan Hubicka  <jh@suse.cz>
5525
5526         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
5527         pass.
5528
5529 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
5530
5531         * config/i386/i386.c (ix86_abi): Move initialization to ...
5532         (override_options): Here.
5533
5534 2009-04-02  Christian Bruel  <christian.bruel@st.com>
5535
5536         * config/sh/sh.c (sh_dwarf_register_span): New function.
5537         (TARGET_DWARF_REGISTER_SPAN): Define.
5538         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
5539
5540 2009-04-02  Ira Rosen  <irar@il.ibm.com>
5541
5542         PR tree-optimization/39595
5543         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
5544         interleaved loads group is not  greater than the SLP group size.
5545
5546 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
5547
5548         * builtins.c (is_builtin_name): New.
5549         (called_as_built_in): Use is_builtin_name.
5550         * tree.h (is_builtin_name): New.
5551         * varasm.c (incorporeal_function_p): Use is_builtin_name
5552
5553 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
5554
5555         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
5556
5557 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
5558
5559         PR c++/26693
5560         * c-decl.c (clone_underlying_type): Move this ...
5561         * c-common.c (set_underlying_type): ... here.
5562         Also, make sure the function properly sets TYPE_STUB_DECL() on
5563         the newly created typedef variant type.
5564         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
5565         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
5566         points.
5567
5568 2009-04-02  Richard Guenther  <rguenther@suse.de>
5569
5570         PR tree-optimization/37221
5571         * tree-flow.h (degenerate_phi_result): Declare.
5572         * tree-ssa-dom.c (degenerate_phi_result): Export.
5573         * tree-scalar-evolution.c (analyze_initial_condition): If
5574         the initial condition is defined by a degenerate PHI node
5575         use the degenerate value.
5576
5577 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
5578
5579         PR rtl-optimization/39588
5580         * combine.c (merge_outer_ops): Do not set the constant when this
5581         is not necessary.
5582         (simplify_shift_const_1): Do not modify it either in this case.
5583
5584 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5585
5586         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
5587         tuning is deprecated if -mtune value is set to an Itanium1 variant.
5588
5589 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
5590
5591         PR c/29027
5592         * c-lex.c (interpret_float): Default (no suffix) is double.
5593
5594 2009-04-1  Xinliang David Li  <davidxl@google.com>
5595
5596         * config/i386/i386.c (legitimate_constant_p): Recognize
5597         all one vector constant.
5598
5599 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5600
5601         * config/vax/vax.c: Add #includes to silence warnings.
5602         Change #include order to silence two warnings.
5603
5604 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5605
5606         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
5607         (ASM_SPEC): Pass -k to the assembler for PIC code.
5608
5609 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5610
5611         * config.gcc: Add vax-*-linux* to the switch.
5612         * config/vax/linux.h: New file. (TARGET_VERSION,
5613         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
5614
5615 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5616
5617         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
5618         Use predicate macros instead of GET_CODE() == foo.
5619         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
5620         ashlsi3, rotrsi3, <unnamed>): Likewise.
5621
5622 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5623
5624         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
5625         jbbccihi, jbbccisi): Remova trailing whitespace.
5626         * config/vax/constraints.md: Likewise.
5627         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5628         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
5629         * config/vax/predicates.md: Likewise.
5630         * config/vax/vax.c (print_operand_address, vax_output_int_move,
5631         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
5632         * config/vax/vax.h: Likewise.
5633         * config/vax/vax.md (nonlocal_goto): Likewise.
5634
5635 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5636
5637         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
5638         (indirectable_address_p, adjacent_operands_p): Add spaces around
5639         braces.
5640         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
5641
5642 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5643
5644         * config/vax/vax.c (legitimate_constant_address_p,
5645         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
5646         index_term_p, reg_plus_index_p, legitimate_address_p,
5647         vax_mode_dependent_address_p): Update comments to match functions
5648         modified by the recent int->bool conversion.
5649
5650 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5651
5652         * config/vax/builtins.md: Update copyright message.
5653         * config/vax/constraints.md: Likewise.
5654         * config/vax/netbsd-elf.h: Likewise.
5655         * config/vax/predicates.md: Likewise.
5656         * config/vax/vax-protos.h: Likewise.
5657         * config/vax/vax.c: Likewise.
5658         * config/vax/vax.h: Likewise.
5659         * config/vax/vax.md: Likewise.
5660         * config/vax/vax.opt: Likewise.
5661
5662 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
5663
5664         * config/vax/builtins.md (ffssi2, ffssi2_internal,
5665         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
5666         * config/vax/constraints.md (B, R): Likewise.
5667         * config/vax/predicates.md (external_memory_operand,
5668         nonimmediate_addsub_di_operand): Likewise.
5669         * config/vax/vax.c (vax_output_int_add): Likewise.
5670         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
5671         untyped_call): Likewise.
5672
5673 2009-04-01  Matt Thomas  <matt@3am-software.com>
5674
5675         * config/vax/predicates.md: New file.
5676         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
5677         external_const_operand, nonsymbolic_operand, external_memory_operand,
5678         indirect_memory_operand, indexed_memory_operand,
5679         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
5680         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
5681         predicate.
5682         * config/vax/constraints.md: New file.
5683         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
5684         New constraint.
5685         * config/vax/builtins.md: New file.
5686         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
5687         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
5688         jbbccisi): Define.
5689         * config/vax/vax.opt (mqmath): Add option.
5690         * config/vax/vax.md (isfx): Extend with DI.
5691         (VAXintQH, VAXintQHSD): Define.
5692         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
5693         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
5694         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
5695         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
5696         (movdi): Update constraints and use vax_output_int_move().
5697         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
5698         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
5699         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
5700         nonlocal_goto): New.
5701         (mov<mode>): Extend accepted operand types.
5702         (subdi3_old): Rename from subdi3, change update constraints and use
5703         a new implementation.
5704         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
5705         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
5706         MOVE_RATIO, CLEAR_RATIO): Define.
5707         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
5708         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5709         (PRINT_OPERAND): Redefine using a function instead of inlined code.
5710         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
5711         (split_quadword_operands): Make static and really allow variable
5712         splitting.
5713         (print_operand_address): Update for PIC generation.
5714         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
5715         indexable_address_p, fixup_mathdi_operand,
5716         vax_expand_addsub_di_operands, adjacent_operands_p): New.
5717         (vax_float_literal, legitimate_constant_p,
5718         indirectable_constant_address_p, index_term_p,
5719         reg_plus_index_p): Return bool instead of int.
5720         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
5721         where needed.
5722         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
5723         generation.
5724         (vax_output_conditional_branch): Indent.
5725         (legitimate_constant_address_p, indirectable_constant_address_p,
5726         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
5727         vax_mode_dependent_address_p): Return bool instead of int, update for
5728         PIC generation.
5729         * config/vax/vax-protos.h (legitimate_constant_address_p,
5730         legitimate_constant_p, legitimate_address_p,
5731         vax_mode_dependent_address_p): Change declaration to bool.
5732         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
5733         vax_expand_addsub_di_operands, vax_output_int_subtract,
5734         vax_output_movmemsi): Declare.
5735         (split_quadword_operands, vax_float_literal): Delete declaration.
5736         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
5737         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
5738         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
5739         ASM_OUTPUT_DWARF_PCREL): Define.
5740         (ASM_SPEC): Change definition to allow PIC generation.
5741
5742 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
5743
5744         * doc/sourcebuild.texi: Update front-end requirements.
5745
5746 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5747
5748         PR target/39226
5749         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
5750         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
5751         (booldi3_internal3): Use boolean_or_operator instead of
5752         boolean_operator.
5753
5754 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
5755
5756         PR c/39605
5757         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
5758         declarator whose size is not an integer constant expression but
5759         folds to an integer constant, then treat it as a constant
5760         subsequently.
5761
5762 2009-04-01  Richard Guenther  <rguenther@suse.de>
5763
5764         * fold-const.c (fold_plusminus_mult_expr): Do not fold
5765         i * 4 + 2 to (i * 2 + 1) * 2.
5766
5767 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5768
5769         PR c/37772
5770         * c-parser.c (c_parser_asm_statement): Skip until close paren and
5771         return if c_parser_asm_string_literal returned NULL.
5772
5773 2009-04-01  Nick Clifton  <nickc@redhat.com>
5774
5775         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
5776         already defined.
5777         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
5778         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
5779         other typedefs to avoid conflicts with libgcc2.c.  Define labels
5780         to gain 16-bit bit-manipulation functions from libgcc2.c and then
5781         include it.
5782         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
5783         to gain 16-bit trapping arithmetic functions from libgcc2.c and
5784         then include it.
5785
5786 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
5787
5788         * varasm.c (default_function_rodata_section): Declare DOT as
5789         const char*.
5790
5791 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
5792             Andrey Galkin  <agalkin@hypercom.com>
5793
5794         PR/39492
5795         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
5796         Make object_name unique for each process.
5797
5798 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
5799
5800         PR other/39591
5801         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
5802         addressable variables in the parallel that could go out of scope while
5803         running queued tasks.
5804
5805 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
5806
5807         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
5808         (CASE_VALUES_THRESHOLD): Redefine.
5809         * config/avr/avr.c (avr_override_options): Remove initialization of
5810         avr_case_values_threshold variable.
5811         (avr_case_values_threshold): Remove variable. Add new function.
5812         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
5813         * config/avr/avr.opt (mno-tablejump): Remove option.
5814         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
5815
5816 2009-04-01  DJ Delorie  <dj@redhat.com>
5817
5818         * varasm.c (default_function_rodata_section): Don't assume
5819         anything about where the first '.' in the section name is.
5820
5821 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
5822
5823         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
5824         rs6000_emit_stack_tie.
5825
5826 2009-03-31  Ian Lance Taylor  <iant@google.com>
5827
5828         * tree-eh.c (tree_remove_unreachable_handlers): Compare
5829         gimple_code with GIMPLE_RESX, not RESX.
5830
5831 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5832
5833         * c-common.c (c_get_ident): New.
5834         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
5835
5836 2009-04-01  Ben Elliston  <bje@au.ibm.com>
5837
5838         * config/rs6000/sysv4.opt (msdata): Improve option description.
5839
5840 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
5841
5842         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
5843         (divdf3_internal_lat): Remove.
5844         (divxf3_internal_lat): Remove.
5845         (divxf3_internal_thr): Remove.
5846         (divxf): Use divxf3_internal.
5847         * config/ia64/div.md (divsf3_internal_lat): New.
5848         (divdf3_internal_lat): New.
5849         (divxf3_internal): New.
5850
5851 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
5852
5853         PR c/448
5854         * Makefile.in (USE_GCC_STDINT): Define.
5855         (stmp-int-hdrs): Install stdint.h if applicable.
5856         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
5857         if known.
5858         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
5859         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
5860         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5861         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5862         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5863         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5864         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5865         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5866         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5867         (c_common_nodes_and_builtins): Initialize
5868         underlying_wchar_type_node.  Do not initialize
5869         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
5870         nodes for new types.
5871         (c_stddef_cpp_builtins): Define macros for new types.
5872         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
5873         Remove.
5874         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
5875         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
5876         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
5877         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
5878         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
5879         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
5880         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
5881         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
5882         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
5883         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
5884         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
5885         int16_type_node, int32_type_node, int64_type_node,
5886         uint8_type_node, uint16_type_node, c_uint32_type_node,
5887         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
5888         int_least32_type_node, int_least64_type_node,
5889         uint_least8_type_node, uint_least16_type_node,
5890         uint_least32_type_node, uint_least64_type_node,
5891         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
5892         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
5893         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
5894         uintptr_type_node): Define.
5895         * c-cppbuiltin.c (builtin_define_constants,
5896         builtin_define_type_minmax): New.
5897         (builtin_define_stdint_macros): Define more macros.
5898         (c_cpp_builtins): Define more limit macros.
5899         (type_suffix): New.
5900         (builtin_define_type_max): Define in terms of
5901         builtin_define_type_minmax.  Remove is_long parameter.  All
5902         callers changed.
5903         * config.gcc (use_gcc_stdint): Define.
5904         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
5905         Add newlib-stdint.h for generic targets.
5906         * config/glibc-stdint.h, config/newlib-stdint.h,
5907         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
5908         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
5909         * config/score/score.h (UINTPTR_TYPE): Define.
5910         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
5911         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
5912         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5913         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5914         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5915         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5916         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5917         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
5918         * config/spu/spu.h (STDINT_LONG32): Define.
5919         * configure.ac (use_gcc_stdint): Substitute.
5920         * configure: Regenerate.
5921         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
5922         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
5923         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
5924         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
5925         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
5926         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
5927         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
5928         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
5929         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
5930         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
5931         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
5932         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
5933         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
5934         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
5935         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
5936         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
5937         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
5938         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
5939         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
5940         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
5941         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
5942         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
5943         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
5944         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5945         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
5946         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
5947         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
5948         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5949         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
5950
5951 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
5952
5953         * loop-iv.c (suitable_set_for_replacement): Renamed from
5954         simplify_using_assignment; changed to return bool and to accept new
5955         args DEST and SRC.  Return true iff we find a source/destination pair
5956         that can be used to make a replacement, and fill SRC and DEST if so.
5957         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
5958         changed.
5959         (simplify_using_initial_values): Deal with altered regs here and track
5960         more precisely the effect they have on the validity of our expression.
5961
5962         * loop-iv.c (simplify_using_condition): A condition of the form
5963         (EQ REG CONST) can be used to simply make a substitution.
5964         (simplify_using_initial_values): Keep track of conditions we have seen
5965         and keep using them to simplify new expressions, while applying the
5966         same substitutions to them as to the expression.
5967
5968         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5969         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
5970         GEU/LTU reversed.
5971
5972         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
5973         changed.  Use this when trying to improve the upper bound.
5974         Generate the comparison by using simplify_gen_relational.
5975
5976         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
5977
5978         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
5979         functions.
5980         (simplify_using_assignment, simplify_using_initial_values): Call
5981         replace_in_expr to make replacements.  Call replace_single_def_regs
5982         once on the initial version of the expression.
5983
5984 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5985
5986         PR target/27237
5987         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
5988
5989 2009-03-31  Richard Guenther  <rguenther@suse.de>
5990
5991         PR middle-end/31029
5992         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
5993         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
5994
5995 2009-03-31  Richard Guenther  <rguenther@suse.de>
5996
5997         * tree.h (div_if_zero_remainder): Declare.
5998         * fold-const.c (div_if_zero_remainder): Export.
5999         * tree-ssa-forwprop.c
6000         (forward_propagate_addr_into_variable_array_index): Handle
6001         constant array index addition outside of the variable index.
6002
6003 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6004
6005         PR target/39592
6006         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
6007         define_splits, floatunssi<mode>2): Require x87 conversions from
6008         DImode to be permitted.
6009
6010 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
6011
6012         PR preprocessor/15638
6013         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
6014
6015 2009-03-31  Richard Guenther  <rguenther@suse.de>
6016
6017         PR middle-end/23401
6018         PR middle-end/27810
6019         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
6020         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
6021         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
6022         a separate statement.
6023         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
6024         (lookup_tmp_var): Likewise.
6025         (is_gimple_formal_tmp_or_call_rhs): Remove.
6026         (is_gimple_reg_or_call_rhs): Rename to ...
6027         (is_gimple_reg_rhs_or_call): ... this.
6028         (is_gimple_mem_or_call_rhs): Rename to ...
6029         (is_gimple_mem_rhs_or_call): ... this.
6030         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
6031         DECL_GIMPLE_REG_P only if is_formal is true.
6032         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
6033         for non-proper post-modify expression gimplification.
6034         (gimplify_self_mod_expr): For post-modify expressions gimplify
6035         the lvalue to a minimal lvalue.
6036         (rhs_predicate_for): Remove formal temp case.
6037         (gimplify_modify_expr_rhs): Likewise.
6038         (gimplify_addr_expr): Use is_gimple_reg.
6039         (gimplify_expr): Remove formal temp cases.
6040         (gimple_regimplify_operands): Likewise.
6041         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
6042         and FILTER_EXPR like constants.
6043         * gimple.c (walk_gimple_op): Fix val_only initialization, use
6044         is_gimple_reg.
6045         (is_gimple_formal_tmp_rhs): Remove.
6046         (is_gimple_reg_rhs): Remove special casing.
6047         (is_gimple_mem_rhs): Fix.
6048         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
6049         (is_gimple_formal_tmp_var): Remove.
6050         (is_gimple_formal_tmp_reg): Likewise.
6051         (is_gimple_min_lval): Allow invariant component ref parts.
6052         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
6053         is_gimple_formal_tmp_reg): Remove declarations.
6054         * tree-cfg.c (verify_expr): Verify that variables with address
6055         taken do not have DECL_GIMPLE_REG_P set.
6056         * tree-mudflap.c (mf_build_check_statement_for): Use
6057         force_gimple_operand instead of gimplify_expr.
6058
6059 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
6060
6061         * modulo-sched.c (sms_schedule_by_order): Pass the actual
6062         schedulable rows to compute_split_row.
6063
6064 2009-03-31  Ben Elliston  <bje@au.ibm.com>
6065
6066         PR target/31635
6067         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
6068         OPT_mvrsave.
6069
6070 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6071
6072         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
6073         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
6074         * configure: Regenerate.
6075         * config.in: Regenerate.
6076         * config/rs6000/rs6000.opt (mtls-markers): Add.
6077         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
6078         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
6079         (tls_ld_aix, tls_ld_sysv): Likewise.
6080         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
6081         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
6082
6083 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
6084
6085         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
6086
6087 2009-03-30  Jan Hubicka  <jh@suse.cz>
6088
6089         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
6090         out of RESX.
6091         (tree_remove_unreachable_handlers): Cleanup EH predecestor
6092         detection and label handling.
6093
6094 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6095
6096         * ira-int.h (ira_allocno): Rename left_conflicts_num to
6097         left_conflicts_size.
6098         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
6099         ALLOCNO_LEFT_CONFLICTS_SIZE.
6100
6101         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
6102         remove_allocno_from_bucket_and_push,
6103         allocno_spill_priority_compare, push_allocnos_to_stack,
6104         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6105         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
6106         (setup_allocno_left_conflicts_num): Ditto.  Rename to
6107         setup_allocno_left_conflicts_size.
6108         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
6109         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
6110         setup_allocno_left_conflicts_size instead of
6111         setup_allocno_left_conflicts_num.
6112
6113         * ira-build.c (ira_create_allocno): Use
6114         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
6115         ALLOCNO_LEFT_CONFLICTS_NUM.
6116
6117 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6118
6119         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6120         instead of DF_LR_OUT.
6121
6122         * ira-lives.c (process_bb_node_lives): Ditto.
6123
6124         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6125         instead of DF_LR_{OUT,IN}.
6126
6127         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6128
6129         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6130
6131 2009-03-30  Jan Hubicka  <jh@suse.cz>
6132
6133         * except.c (label_to_region_map): Fix thinko.
6134
6135 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
6136
6137         PR middle-end/38237
6138         * tree.h (tree_find_value): New declaration.
6139         * tree.c (tree_find_value): New function.
6140         * varasm.c (assemble_external): Avoid duplicate entries on lists.
6141
6142 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
6143
6144         PR debug/39563
6145         * c-decl.c (struct c_binding): Add locus field.
6146         (bind): Add locus argument, set locus field from it.
6147         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
6148         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
6149         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
6150         implicitly_declare, undeclared_variable, lookup_label,
6151         declare_label, c_make_fname_decl, c_builtin_function,
6152         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
6153         bind callers.
6154
6155 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6156
6157         PR target/38781
6158         * config/i386/i386.c (classify_argument): Check total size of
6159         structure.
6160
6161 2009-03-30  Martin Jambor  <mjambor@suse.cz>
6162
6163         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
6164         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
6165         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
6166         respectively.
6167
6168         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
6169         seen_variable_array_ref while also traversing a union.
6170
6171         * tree-inline.c (optimize_inline_calls): Do not call
6172         cgraph_node_remove_callees.
6173         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
6174         (pass_remove_cgraph_callee_edges): New variable.
6175         * passes.c (init_optimization_passes): Add
6176         pass_remove_cgraph_callee_edges after early inlining and before all
6177         late intraprocedural passes.
6178
6179         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
6180
6181 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6182
6183         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
6184         Fix typos in names.
6185
6186 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6187
6188         * combine.c (simplify_comparison): Use have_insn_for.
6189         * dojump.c (do_jump): Likewise.
6190
6191 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6192
6193         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
6194         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
6195         sparc_compare_op0 like sparc_compare_emitted used to be handled.
6196         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
6197         instead of sparc_compare_emitted.
6198         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
6199         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
6200         instead of sparc_compare_emitted.
6201
6202 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6203
6204         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
6205         enter/exit cfglayout mode.
6206         (pass_partition_block): Require it.
6207         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
6208         (combine_instructions): Track basic blocks instead of labels.
6209         (update_cfg_for_uncondjump): New.
6210         (try_combine): Use it.  Update jumps after rescanning.
6211         (pass_combine): Require PROP_cfglayout.
6212         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
6213
6214 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6215
6216         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
6217         Provide/destroy PROP_cfglayout respectively.
6218         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
6219         * tree-pass.h (PROP_cfglayout): New.
6220
6221 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
6222
6223         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
6224         fold_convert_const_fixed_from_fixed,
6225         fold_convert_const_fixed_from_int,
6226         fold_convert_const_fixed_from_real, fold_negate_const): Do not
6227         set TREE_CONSTANT_OVERFLOW.
6228         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
6229         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
6230
6231 2009-03-30  Ira Rosen  <irar@il.ibm.com>
6232
6233         * tree-vect-loop-manip.c: New file.
6234         * tree-vectorizer.c: Update documentation and included files.
6235         (vect_loop_location): Make extern.
6236         (rename_use_op): Move to tree-vect-loop-manip.c
6237         (rename_variables_in_bb, rename_variables_in_loop,
6238         slpeel_update_phis_for_duplicate_loop,
6239         slpeel_update_phi_nodes_for_guard1,
6240         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
6241         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
6242         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
6243         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
6244         find_loop_location): Likewise.
6245         (new_stmt_vec_info): Move to tree-vect-stmts.c.
6246         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
6247         get_vectype_for_scalar_type, vect_is_simple_use,
6248         supportable_widening_operation, supportable_narrowing_operation):
6249         Likewise.
6250         (bb_in_loop_p): Move to tree-vect-loop.c.
6251         (new_loop_vec_info, destroy_loop_vec_info,
6252         reduction_code_for_scalar_code, report_vect_op,
6253         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
6254         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
6255         (vect_supportable_dr_alignment): Likewise.
6256         * tree-vectorizer.h (tree-data-ref.h): Include.
6257         (vect_loop_location): Declare.
6258         Reorganize function declarations according to the new file structure.
6259         * tree-vect-loop.c: New file.
6260         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
6261         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
6262         * tree-vect-data-refs.c: New file.
6263         * tree-vect-patterns.c (timevar.h): Don't include.
6264         * tree-vect-stmts.c: New file.
6265         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
6266         tree-vect-slp.c, tree-vect-loop.c.
6267         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
6268         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
6269         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
6270         (tree-vect-analyze.o): Remove.
6271         (tree-vect-transform.o): Likewise.
6272         (tree-vect-data-refs.o): Add rule.
6273         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
6274         tree-vect-slp.o): Likewise.
6275         (tree-vect-patterns.o): Remove redundant dependencies.
6276         (tree-vectorizer.o): Likewise.
6277         * tree-vect-slp.c: New file.
6278
6279 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6280
6281         * optc-gen.awk: Warn if an option flag has multiple different
6282         help strings.
6283
6284 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6285
6286         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
6287         -floop-block): Document dependences on PPL, CLooG and Graphite.
6288
6289 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6290
6291         PR rtl-optimization/323
6292         * c-common.c (c_fully_fold, convert_and_check,
6293         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
6294         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
6295         * c-common.def (EXCESS_PRECISION_EXPR): New.
6296         * c-cppbuiltin.c (builtin_define_float_constants): Define
6297         constants with enough digits for long double.
6298         * c-lex.c (interpret_float): Interpret constant with excess
6299         precision where appropriate.
6300         * c-opts.c (c_common_post_options): Set
6301         flag_excess_precision_cmdline.  Give an error for
6302         -fexcess-precision=standard for C++ for processors where the
6303         option is significant.
6304         * c-parser.c (c_parser_conditional_expression): Handle excess
6305         precision in condition.
6306         * c-typeck.c (convert_arguments): Handle arguments with excess
6307         precision.
6308         (build_unary_op): Move excess precision outside operation.
6309         (build_conditional_expr): Likewise.
6310         (build_compound_expr): Likewise.
6311         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
6312         (build_modify_expr): Handle excess precision in RHS.
6313         (convert_for_assignment): Handle excess precision in converted
6314         value.
6315         (digest_init, output_init_element, process_init_element): Handle
6316         excess precision in initializer.
6317         (c_finish_return): Handle excess precision in return value.
6318         (build_binary_op): Handle excess precision in operands and add
6319         excess precision as needed for operation.
6320         * common.opt (-fexcess-precision=): New option.
6321         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
6322         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
6323         For standard excess precision, output explicit conversion to and
6324         truncation from XFmode.
6325         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
6326         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
6327         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
6328         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
6329         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
6330         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
6331         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
6332         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
6333         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
6334         define_splits, sqrt<mode>2): Disable where appropriate for
6335         standard excess precision.
6336         * convert.c (convert_to_real): Do not shorten arithmetic to type
6337         for which excess precision would be used.
6338         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
6339         * doc/invoke.texi (-fexcess-precision=): Document option.
6340         (-mfpmath=): Correct index entry.
6341         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
6342         flag_excess_precision): New.
6343         * langhooks.c (lhd_post_options): Set
6344         flag_excess_precision_cmdline.
6345         * opts.c (common_handle_option): Handle -fexcess-precision=.
6346         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
6347         init_excess_precision): New.
6348         (lang_dependent_init_target): Call init_excess_precision.
6349         * tree.c (excess_precision_type): New.
6350         * tree.h (excess_precision_type): Declare.
6351
6352 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
6353
6354         PR c/35235
6355         * c-typeck.c (build_component_ref): Do not copy qualifiers from
6356         non-lvalue to component.
6357
6358 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6359
6360         PR preprocessor/34695
6361         * Makefile.in (c-opts.o): Depend on c-tree.h.
6362         * c-common.c: Move down include of diagnostic.h.
6363         (done_lexing, c_cpp_error): New.
6364         * c-common.h (done_lexing): Declare.
6365         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
6366         (parse_in).
6367         * c-opts.c: Include c-tree.h.
6368         (c_common_init_options): Set preprocessor error callback.
6369         (c_common_handle_option): Do not set preprocessor
6370         inhibit_warnings, warnings_are_errors, warn_system_headers,
6371         pedantic_errors or inhibit_warnings flags.
6372         (c_common_post_options): Do not check cpp_errors (parse_in).
6373         (c_common_finish): Do not output dependencies if there were
6374         errors.  Do not check return value of cpp_finish.
6375         * c-ppoutput.c (pp_file_change): Set input_location.
6376         * c-tree.h (c_cpp_error): Declare.
6377         * diagnostic.c (diagnostic_set_info_translated): Also initialize
6378         override_column.
6379         (diagnostic_build_prefix): Check override_column.
6380         * diagnostic.h (diagnostic_info): Add override_column field.
6381         (diagnostic_override_column): Define.
6382
6383 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
6384
6385         * c-common.c (c_expand_expr, c_staticp): Remove.
6386         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
6387         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
6388         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
6389         * c-gimplify.c (gimplify_compound_literal_expr,
6390         optimize_compound_literals_in_ctor): Remove.
6391         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
6392         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
6393         * c-semantics.c (emit_local_var): Remove.
6394
6395         * langhooks-def.h (lhd_expand_expr): Remove.
6396         * langhooks.c (lhd_expand_expr): Remove.
6397         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
6398
6399         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
6400         handling from c-semantics.c; don't call into langhook.
6401         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
6402         * gimplify.c (gimplify_compound_literal_expr,
6403         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
6404         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
6405         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
6406         as was done in c-gimplify.c.
6407         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
6408         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
6409         Move from c-common.h.
6410         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
6411
6412         * tree.c (staticp): Do not call langhook.
6413         * langhooks.c (lhd_staticp): Delete.
6414         * langhooks-def.h (lhd_staticp): Delete prototype.
6415         (LANG_HOOKS_STATICP): Delete.
6416         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
6417
6418         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
6419         instead of DECL_STMTs.
6420
6421 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
6422
6423         PR c/456
6424         PR c/5675
6425         PR c/19976
6426         PR c/29116
6427         PR c/31871
6428         PR c/35198
6429         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
6430         void_type_node.
6431         (fold_call_expr): Return a NOP_EXPR from folding rather than the
6432         contained expression.
6433         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
6434         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
6435         conditional expressions for C.
6436         (decl_constant_value_for_optimization): Move from
6437         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
6438         whether optimizing and that the expression is a VAR_DECL not of
6439         array type instead of doing such checks in the caller.  Do not
6440         check pedantic.  Call gcc_unreachable for C++.
6441         * c-common.def (C_MAYBE_CONST_EXPR): New.
6442         * c-common.h (c_fully_fold, c_save_expr,
6443         decl_constant_value_for_optimization): New prototypes.
6444         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6445         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6446         EXPR_INT_CONST_OPERANDS): Define.
6447         * c-convert.c (convert): Strip nops from expression.
6448         * c-decl.c (groktypename): Take extra parameters expr and
6449         expr_const_operands.  Update call to grokdeclarator.
6450         (start_decl): Update call to grokdeclarator.  Add statement for
6451         expressions used in type of decl.
6452         (grokparm): Update call to grokdeclarator.
6453         (push_parm_decl): Update call to grokdeclarator.
6454         (build_compound_literal): Add parameter non_const and build a
6455         C_MAYBE_COSNT_EXPR if applicable.
6456         (grokdeclarator): Take extra parameters expr and
6457         expr_const_operands.  Track expressions used in declaration
6458         specifiers and declarators.  Fold array sizes and track whether
6459         they are constant expressions and whether they are integer
6460         constant expressions.
6461         (parser_xref_tag): Set expr and expr_const_operands fields in
6462         return value.
6463         (grokfield): Update call to grokdeclarator.
6464         (start_function): Update call to grokdeclarator.
6465         (build_null_declspecs): Set expr and expr_const_operands fields in
6466         return value.
6467         (declspecs_add_type): Handle expressions in typeof specifiers.
6468         * c-parser.c (c_parser_declspecs): Set expr and
6469         expr_const_operands fields for declaration specifiers.
6470         (c_parser_enum_specifier): Likewise.
6471         (c_parser_struct_or_union_specifier): Likewise.
6472         (c_parser_typeof_specifier): Likewise.  Update call to
6473         groktypename.  Fold expression as needed.  Return expressions with
6474         type instead of adding statements.
6475         (c_parser_attributes): Update calls to c_parser_expr_list.
6476         (c_parser_statement_after_labels): Fold expression before passing
6477         to objc_build_throw_stmt.
6478         (c_parser_condition): Fold expression.
6479         (c_parser_asm_operands): Fold expression.
6480         (c_parser_conditional_expression): Use c_save_expr.  Update call
6481         to build_conditional_expr.
6482         (c_parser_alignof_expression): Update call to groktypename.
6483         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
6484         original_code.  Fold expression argument of va_arg.  Create
6485         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
6486         argument to va_arg.  Update calls to groktypename.  Fold array
6487         index for offsetof.  Verify that first argument to
6488         __builtin_choose_expr has integer type.
6489         (c_parser_postfix_expression_after_paren_type): Update calls to
6490         groktypename and build_compound_literal.  Handle expressions with
6491         side effects in type name.
6492         (c_parser_postfix_expression_after_primary): Update call to
6493         c_parser_expr_list.  Set original_code for calls to
6494         __builtin_constant_p.
6495         (c_parser_expr_list): Take extra parameter fold_p.  Fold
6496         expressions if requested.
6497         (c_parser_objc_type_name): Update call to groktypename.
6498         (c_parser_objc_synchronized_statement): Fold expression.
6499         (c_parser_objc_receiver): Fold expression.
6500         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
6501         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
6502         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
6503         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
6504         (struct c_typespec): Add elements expr and expr_const_operands.
6505         (struct c_declspecs): Add elements expr and expr_const_operands.
6506         (groktypename, build_conditional_expr, build_compound_literal):
6507         Update prototypes.
6508         (in_late_binary_op): Declare.
6509         * c-typeck.c (note_integer_operands): New function.
6510         (in_late_binary_op): New variable.
6511         (decl_constant_value_for_broken_optimization): Move to c-common.c
6512         and rename to decl_constant_value_for_optimization.
6513         (default_function_array_conversion): Do not strip nops.
6514         (default_conversion): Do not call
6515         decl_constant_value_for_broken_optimization.
6516         (build_array_ref): Do not fold result.
6517         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
6518         result when operand is a VLA.
6519         (c_expr_sizeof_type): Update call to groktypename.  Handle
6520         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
6521         result when operand names a VLA type.
6522         (build_function_call): Update call to build_compound_literal.
6523         Only fold result for calls to __builtin_* functions.  Strip
6524         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
6525         the function designator.
6526         (convert_arguments): Fold arguments.  Update call to
6527         convert_for_assignment.
6528         (build_unary_op): Handle increment and decrement of
6529         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
6530         decrement earlier.  Fold operand of increment and decrement.
6531         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
6532         built for integer operand.  Wrap returns that are INTEGER_CSTs
6533         without being integer constant expressions or that have integer
6534         constant operands without being INTEGER_CSTs.
6535         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
6536         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
6537         result is an integer constant expression or can be used in
6538         unevaluated parts of one and avoid folding and wrap as
6539         appropriate.  Fold operands before possibly doing -Wsign-compare
6540         warnings.
6541         (build_compound_expr): Wrap result for C99 if operands can be used
6542         in integer constant expressions.
6543         (build_c_cast): Update call to digest_init.  Do not ignore
6544         overflow from casting floating-point constants to integers.  Wrap
6545         results that could be confused with integer constant expressions,
6546         null pointer constants or floating-point constants.
6547         (c_cast_expr): Update call to groktypename.  Handle expressions
6548         included in type name.
6549         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
6550         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
6551         Update calls to convert_for_assignment.
6552         (convert_for_assignment): Take new parameter
6553         null_pointer_constant.  Do not strip nops or call
6554         decl_constant_value_for_broken_optimization.  Set
6555         in_late_binary_op for conversions to boolean.
6556         (store_init_value): Update call to digest_init.
6557         (digest_init): Take new parameter null_pointer_constant.  Do not
6558         call decl_constant_value_for_broken_optimization.  pedwarn for
6559         initializers not constant expressions.  Update calls to
6560         convert_for_assignment.
6561         (constructor_nonconst): New.
6562         (struct constructor_stack): Add nonconst element.
6563         (really_start_incremental_init, push_init_level, pop_init_level):
6564         Handle constructor_nonconst and nonconst element.
6565         (set_init_index): Call constant_expression_warning for array
6566         designators.
6567         (output_init_element): Fold value.  Set constructor_nonconst as
6568         applicable.  pedwarn for initializers not constant expressions.
6569         Update call to digest_init.  Call constant_expression_warning
6570         where constant initializers are required.
6571         (process_init_element): Use c_save_expr.
6572         (c_finish_goto_ptr): Fold expression.
6573         (c_finish_return): Fold return value.  Update call to
6574         convert_for_assignment.
6575         (c_start_case): Fold switch expression.
6576         (c_process_expr_stmt): Fold expression.
6577         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
6578         ensure statement expression is not evaluated in constant expression.
6579         (build_binary_op): Track whether results are integer constant
6580         expressions or may occur in such, disable folding and wrap results
6581         as applicable.  Fold operands for -Wsign-compare warnings unless
6582         in_late_binary_op.
6583         (c_objc_common_truthvalue_conversion): Handle results folded to
6584         integer constants that are not integer constant expressions.
6585         * doc/extend.texi: Document when typeof operands are evaluated,
6586         that condition of __builtin_choose_expr is an integer constant
6587         expression, and more about use of __builtin_constant_p in
6588         initializers.
6589
6590 2009-03-29  Richard Guenther  <rguenther@suse.de>
6591
6592         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
6593         propagate addresses of array references.
6594
6595 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
6596
6597         * regmove.c (perhaps_ends_bb_p): Remove.
6598         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
6599         from INSN and check that the main loop stays within that basic block.
6600         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
6601         (regmove_forward_pass): Split out from regmove_optimize.  Use
6602         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
6603         (regmove_backward_pass): Split out from regmove_optimize.  Use
6604         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
6605         (regmove_optimize): Simplify.
6606
6607 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6608
6609         PR target/39545
6610         * config/i386/i386.c (classify_argument): Ignore flexible array
6611         member in struct and warn ABI change.
6612
6613 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
6614
6615         * config/i386/i386-protos.h (ix86_agi_dependent): New.
6616
6617         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
6618         (ix86_adjust_cost): Updated.
6619
6620 2009-03-29  Jan Hubicka  <jh@suse.cz>
6621
6622         PR middle-end/28850
6623         * tree-pass.h (pass_cleanup_eh): New function.
6624         (remove_unreachable_regions): Break code handling RTL
6625         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
6626         that can not be reached by runtime.
6627         (can_be_reached_by_runtime): New function.
6628         (label_to_region_map): New function.
6629         (num_eh_regions): New function.
6630         (rtl_remove_unreachable_regions): New function.
6631         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
6632         (remove_eh_region): New function.
6633         * except.h: Include sbitmap and vecprim.
6634         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
6635         num_eh_regions): Declare.
6636         * passes.c (init_optimization_passes): Schedule cleanup_eh.
6637         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
6638         * tree-eh.c (tree_remove_unreachable_handlers): New function.
6639         (tree_empty_eh_handler_p): New function.
6640         (cleanup_empty_eh): New function.
6641         (cleanup_eh): New function.
6642         (pass_cleanup_eh): New function.
6643
6644 2009-03-29  Jan Hubicka  <jh@suse.cz>
6645
6646         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6647         for removed regions.
6648
6649 2009-03-29  Jan Hubicka  <jh@suse.cz>
6650
6651         * except.c (dump_eh_tree): Dump all datastructures.
6652
6653 2009-03-29  Jan Hubicka  <jh@suse.cz>
6654
6655         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
6656         (duplicate_eh_regions_1): Likewise.
6657         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
6658         vector; call EH verification.
6659         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6660         Be ready for region being removed.
6661
6662 2009-03-29  Jan Hubicka  <jh@suse.cz>
6663
6664         * bitmap.c (bitmap_last_set_bit): New function.
6665         * bitmap.h (bitmap_last_set_bit): Declare.
6666
6667 2009-03-29  David Ayers  <ayers@fsfe.org>
6668
6669         PR objc/27377
6670         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
6671         by calling objc_compare_types and surpress warnings about
6672         incompatible C pointers that are compatible ObjC pointers.
6673
6674 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
6675
6676         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
6677         call initialize_inline_failed.
6678         (initialize_inline_failed): Move it from here ...
6679         * cgraph.c (initialize_inline_failed): ... to here.
6680         (cgraph_create_edge): Call initialize_inline_failed rather than
6681         setting inline_failed directly.
6682
6683 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6684
6685         PR target/32542
6686         * sysv4.opt (msdata): Improve comment.
6687         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
6688         * sysv4.h (SVR4_ASM_SPEC): Likewise.
6689
6690 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6691
6692         PR target/30451
6693         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
6694         load and store attributes.
6695
6696 2009-03-29  Ben Elliston  <bje@au.ibm.com>
6697
6698         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
6699         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
6700         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
6701         * doc/extend.texi (X86 Built-in Functions): Add index entries for
6702         __builtin_infq and __builtin_huge_valq.
6703
6704 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
6705
6706         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
6707         atmega8m1 devices.
6708         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6709         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
6710
6711 2009-03-28  Xinliang David Li  <davidxl@google.com>
6712
6713         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
6714         (do_dbg_cnt): New function.
6715
6716 2009-03-28  Jan Hubicka  <jh@suse.cz>
6717
6718         Merge from pretty-ipa:
6719
6720         2009-03-27  Jan Hubicka  <jh@suse.cz>
6721
6722         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6723         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
6724         * passes.c (function_called_by_processed_nodes_p): New.
6725         * ipa-pure-const.c (check_call): Fix handling of operands.
6726         (analyze_function): Dump debug output for skipped bodies.
6727         (local_pure_const): Use function_called_by_processed_nodes_p.
6728         * dwarf2out.c (reference_to_unused): Use output.
6729         * passes.c (do_per_function_toporder): Likewise.
6730
6731         2008-11-12  Jan Hubicka  <jh@suse.cz>
6732
6733         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
6734         * ipa-pure-const.c (funct_state_d): Add can throw field; make
6735         state_set_in_source enum
6736         (check_decl): Ignore memory tags; do not set fake looping flags;
6737         dump diagnostics.
6738         (check_operand, check_tree, check_rhs_var, check_lhs_var,
6739         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
6740         (check_call, analyze_function): Rewrite.
6741         (check_stmt): New.
6742         (add_new_function): Update call of analyze_function.
6743         (generate_summary): Add call of analyze_function.
6744         (propagate): Propagate can_throw; handle state_set_in_source correctly.
6745         (local_pure_const): New function.
6746         (pass_local_pure_const): New pass.
6747         * ipa-inline.c (inline_transform): Set after_inlining.
6748         * tree-eh.c (stmt_can_throw_external): New.
6749         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
6750         work with aliasing built.
6751         * tree-flow.h (stmt_can_throw_external): New.
6752         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
6753         and local pure/const pass in early and late optimization queue.
6754
6755 2009-03-28  Martin Jambor  <mjambor@suse.cz>
6756
6757         * fold-const.c (get_pointer_modulus_and_residue): New parameter
6758         allow_func_align.
6759         (fold_binary): Allow function decl aligment consideration is the
6760         second argument is integer constant one.
6761         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
6762         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
6763         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
6764
6765 2009-03-28  Jan Hubicka  <jh@suse.cz>
6766
6767         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
6768         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
6769         * function.h (rtl_data): Add nothrow flag.
6770         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
6771         set DECL_NOTHROW for AVAILABLE functions.
6772
6773 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
6774
6775         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
6776         following vector keyword has expansion starting with pixel or bool
6777         keyword, expand vector to __vector and pixel or bool to __pixel or
6778         __bool.
6779
6780         PR c++/39554
6781         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
6782         warn_if_disallowed_function_p): Removed.
6783         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
6784         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
6785         warning_if_disallowed_function_p.
6786         * flags.h (warn_if_disallowed_function_p,
6787         warn_disallowed_functions): Removed.
6788         * common.opt (Wdisallowed-function-list=): Removed.
6789         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
6790
6791 2009-03-28  Richard Guenther  <rguenther@suse.de>
6792
6793         PR tree-optimization/38723
6794         * tree-ssa-pre.c (compute_avail): Add all default definitions to
6795         the entry block.
6796
6797 2009-03-28  Jan Hubicka  <jh@suse.cz>
6798
6799         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
6800         test introduced by my previous patch.
6801
6802 2009-03-28  Richard Guenther  <rguenther@suse.de>
6803
6804         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
6805         the PHIs value undefined.
6806
6807 2009-03-28  Jan Hubicka  <jh@suse.cz>
6808
6809         * tree-pass.h (pass_fixup_cfg): New pass.
6810         * ipa-inline.c (inline_transform): Set
6811         always_inline_functions_inlined/after_inlining.
6812         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
6813         (pass_fixup_cfg): New pass.
6814         * passes.c (init_optimization_passes): Add fixup_cfg.
6815
6816 2009-03-28  Richard Guenther  <rguenther@suse.de>
6817
6818         PR tree-optimization/38458
6819         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
6820         argument use the arguments copy-of value.
6821
6822 2009-03-28  Richard Guenther  <rguenther@suse.de>
6823
6824         PR tree-optimization/38180
6825         * tree-ssa-ccp.c (get_default_value): Simplify.
6826         (likely_value): Likewise.
6827         (surely_varying_stmt_p): Properly handle VOP case.
6828         (ccp_initialize): Likewise.
6829         (ccp_fold): Handle propagating through *&.
6830         (fold_const_aggregate_ref): Also handle decls.
6831
6832 2009-03-28  Jan Hubicka  <jh@suse.cz>
6833
6834         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
6835         * cgraph.h (cgraph_node): Likewise.
6836         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
6837         (cgraph_reset_node): Use process flag.
6838         (cgraph_mark_functions_to_output): Likewise.
6839         (cgraph_expand_function): Likewise.
6840         (cgraph_expand_all_functions): Likewise.
6841         (cgraph_output_in_order): Likewise.
6842         * dwarf2out.c (reference_to_unused): Likewise.
6843         * passes.c do_per_function_toporder): Likewise.
6844
6845 2009-03-28  Jan Hubicka  <jh@suse.cz>
6846
6847         Bring from lto-branch:
6848
6849         2008-09-03  Doug Kwan  <dougkwan@google.com>
6850
6851         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
6852         enums instead of reason strings.
6853         * cgraph.c (cgraph_create_edge): Same.
6854         (cgraph_inline_failed_string): New function.
6855         * cgraph.h (cgraph_inline_failed_t): New enum type.
6856         (cgraph_inline_failed_string): New prototype.
6857         (struct cgraph_edge): Change type of INLINED_FAILED from constant
6858         char pointer to cgraph_inline_failed_t.
6859         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
6860         (cgraph_default_inline_p): Ditto.
6861         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
6862         to cgraph_inline_failed_t pointer.
6863         * cif-code.def: New file.
6864         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
6865         reason string.
6866         (cgraph_check_inline_limits): Change type of REASON to pointer to
6867         cgraph_inline_failed_t.  Replace reason strings with enums.
6868         (cgraph_default_inline_p): Ditto.
6869         (cgraph_recursive_inlining_p): Ditto.
6870         (update_caller_keys): Change type of FAILED_REASON to
6871         cgraph_inline_failed_t.
6872         (cgraph_set_inline_failed): Change type of REASON to pointer to
6873         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
6874         convert enums to strings for text output.
6875         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
6876         to be of type cgraph_inline_failed_t.  Replace reason strings with
6877         enums.  Call cgraph_inline_failed_string to covert enums
6878         to strings for text output.
6879         (cgraph_decide_inlining): Replace reason strings with enums.
6880         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
6881         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
6882         for text output.
6883         * tree-inline.c (expand_call_inline): Change type of REASON
6884         to cgraph_inline_failed_t.  Replace reason strings with enums.
6885         Call cgraph_inline_failed_string for text output.
6886         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
6887         (cgraph.o): Ditto.
6888
6889 2009-03-28  Jan Hubicka  <jh@suse.cz>
6890
6891         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
6892         cgraph_clone_node): Remove master clone handling.
6893         (cgraph_is_master_clone, cgraph_master_clone): Remove.
6894         * cgraph.h (master_clone): Remove.
6895         (cgraph_is_master_clone, cgraph_master_clone): Remove.
6896         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
6897         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
6898
6899 2009-03-28  Jan Hubicka  <jh@suse.cz>
6900
6901         * cgraph.c (cgraph_function_body_availability): Functions declared
6902         inline are always safe to assume that it is not going to be replaced.
6903
6904 2009-03-28  Richard Guenther  <rguenther@suse.de>
6905
6906         PR tree-optimization/38513
6907         * tree-ssa-pre.c (eliminate): Remove redundant stores.
6908         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
6909         EXC_PTR_EXPR and FILTER_EXPR.
6910         (get_ref_from_reference_ops): Likewise.
6911
6912 2009-03-28  Richard Guenther  <rguenther@suse.de>
6913
6914         PR tree-optimization/38968
6915         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6916         Use FLOOR_MOD_EXPR to compute misalignment.
6917
6918 2009-03-28  Richard Guenther  <rguenther@suse.de>
6919
6920         PR tree-optimization/37795
6921         * tree.h (combine_comparisons): Declare.
6922         * fold-const.c (combine_comparisons): Export.
6923         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
6924         comparisons.
6925         (ifcombine_iforif): Use combine_comparisons.
6926
6927 2009-03-28  Jan Hubicka  <jh@suse.cz>
6928
6929         * tree-eh.c (inlinable_call_p): New function.
6930         (make_eh_edges): Use it.
6931         (verify_eh_edges): Use it.
6932         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
6933         * except.c (reachable_next_level): Add inlinable_function argument
6934         (sjlj_find_directly_reachable_regions): Update.
6935         (add_reachable_handler): Do not set saw_any_handlers.
6936         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
6937         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
6938         Add new inlinable call parameter.
6939         (can_throw_internal, can_throw_external): Update.
6940         * except.h (can_throw_internal_1, can_throw_external_1,
6941         foreach_reachable_handler): Update declaration.
6942
6943 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
6944
6945         * config/arm/t-arm-coff, config/h8300/coff.h,
6946         config/i386/i386-aout.h, config/i386/i386-coff.h,
6947         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
6948         config/pdp11/2bsd.h, config/rs6000/aix41.h,
6949         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
6950         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
6951         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
6952         sys-types.h: Remove.
6953         * Makefile.in: Remove protoize and fixproto support and references
6954         in comments.
6955         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
6956         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
6957         Remove.
6958         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
6959         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
6960         unprotoize$(exeext).
6961         (rest.encap): Don't depend on $(STMP_FIXPROTO)
6962         (.PHONY): Don't depend on proto.
6963         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
6964         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
6965         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
6966         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
6967         build/gen-protos.o, build/scan.o, xsys-protos.h,
6968         build/fix-header$(build_exeext), build/fix-header.o,
6969         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
6970         stmp-install-fixproto): Remove.
6971         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
6972         SYSCALLS.c or fixproto files.
6973         (install-common): Don't install protoize.
6974         (install-headers-tar, install-headers-cpio, install-headers-cp):
6975         Don't depend on $(STMP_FIXPROTO).
6976         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
6977         install fixproto files or write out fixproto settings.
6978         (uninstall): Don't uninstall protoize.
6979         * config.gcc (use_fixproto): Remove.
6980         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
6981         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
6982         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
6983         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
6984         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
6985         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
6986         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
6987         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
6988         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
6989         * config/t-vxworks (STMP_FIXPROTO): Remove.
6990         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
6991         STMP_FIXPROTO): Remove.
6992         * config.in, configure: Regenerate.
6993         * crtstuff.c (gid_t, uid_t): Don't undefine.
6994         * doc/install.texi: Change m68k-coff to m68k-elf in example.
6995         (arm-*-coff, arm-*-aout: Remove target entries.
6996         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
6997         Remove mention of AIX 4.1.
6998         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
6999         * doc/invoke.texi (Running Protoize): Remove.
7000         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
7001         (Protoize Caveats): Remove.
7002         * tsystem.h: Update comments on headers assumed to exist.
7003
7004 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
7005
7006         * genautomata.c: Add a new year to the copyright.  Add a new
7007         reference.
7008         (struct insn_reserv_decl): Add comments for member bypass_list.
7009         (find_bypass): Remove.
7010         (insert_bypass): New.
7011         (process_decls): Use insert_bypass.
7012         (output_internal_insn_latency_func): Output all bypasses with the
7013         same input insn in one switch case.
7014
7015         * rtl.def (define_bypass): Describe bypass choice.
7016         * doc/md.texi (define_bypass): Ditto.
7017
7018 2009-03-27  Richard Guenther  <rguenther@suse.de>
7019
7020         * gimplify.c (mark_addressable): Export.
7021         * tree-flow.h (mark_addressable): Declare.
7022         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
7023         * tree-ssa.c (verify_phi_args): Verify that address taken
7024         variables have TREE_ADDRESSABLE set.
7025
7026 2009-03-27  Richard Guenther  <rguenther@suse.de>
7027
7028         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
7029         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
7030         Do not mark decls TREE_ADDRESSABLE.
7031         (build_fold_addr_expr): Adjust.
7032         (fold_addr_expr): Remove.
7033         (fold_unary): Use build_fold_addr_expr.
7034         (fold_comparison): Likewise.
7035         (split_address_to_core_and_offset): Likewise.
7036         * coverage.c (tree_coverage_counter_addr): Mark the array decl
7037         TREE_ADDRESSABLE.
7038         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
7039         (gimplify_modify_expr_to_memcpy): Mark source and destination
7040         addressable.
7041         * omp-low.c (create_omp_child_function): Mark the object decl
7042         TREE_ADDRESSABLE.
7043         (lower_rec_input_clauses): Mark the var we take the address of
7044         TREE_ADDRESSABLE.
7045         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
7046
7047 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7048
7049         PR middle-end/39315
7050         * cfgexpand.c (expand_one_stack_var_at): Change alignment
7051         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
7052
7053 2009-03-27  Richard Guenther  <rguenther@suse.de>
7054
7055         PR tree-optimization/39120
7056         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
7057         constraints.
7058         (handle_lhs_call): Process return constraints.  Add escape
7059         constraints if necessary.
7060         (handle_const_call): Fill out return constraints.  Make nested
7061         case more precise.  Avoid consttmp if possible.
7062         (handle_pure_call): Fill out return constraints.  Avoid
7063         callused if possible.
7064         (find_func_aliases): Simplify call handling.
7065
7066 2009-03-27  Richard Guenther  <rguenther@suse.de>
7067
7068         PR tree-optimization/39120
7069         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
7070         as a representative.
7071         (solve_graph): Do propagate CALLUSED.
7072         (handle_pure_call): Use a scalar constraint from CALLUSED for
7073         the return value.
7074         (find_what_p_points_to): CALLUSED shall not appear in poins-to
7075         solutions.
7076
7077 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7078
7079         PR c/39323
7080         * c-common.c (handle_aligned_attribute): Properly check alignment
7081         overflow.  Use (1U << i) instead of (1 << i).
7082
7083         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
7084
7085         * expr.h (get_mem_align_offset): Updated.
7086
7087         * tree.h (tree_decl_common): Change align to "unsigned int" and
7088         move it before pointer_alias_set.
7089
7090 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7091             Jakub Jelinek  <jakub@redhat.com>
7092
7093         PR target/38034
7094         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
7095         gr_register_operand with gr_reg_or_0_operand.
7096         (cmpxchg_rel_di): Likewise.
7097         (sync_lock_test_and_set<mode>): Likewise.
7098
7099 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7100
7101         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
7102         (true_regnum): Likewise.
7103
7104         * rtlanal.c (subreg_info): Moved to ...
7105         * rtl.h (subreg_info): Here.  New.
7106         (subreg_get_info): New.
7107
7108         * rtlanal.c (subreg_get_info): Make it extern.
7109
7110 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7111
7112         PR target/39472
7113         * config/i386/i386.c (ix86_abi): New.
7114         (override_options): Handle -mabi=.
7115         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
7116         (ix86_call_abi_override): Likewise.
7117         (init_cumulative_args): Likewise.
7118         (function_arg_advance): Likewise.
7119         (function_arg_64): Likewise.
7120         (function_arg): Likewise.
7121         (ix86_pass_by_reference): Likewise.
7122         (ix86_function_value_regno_p): Likewise.
7123         (ix86_build_builtin_va_list_abi): Likewise.
7124         (setup_incoming_varargs_64): Likewise.
7125         (is_va_list_char_pointer): Likewise.
7126         (ix86_init_machine_status): Likewise.
7127         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
7128         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
7129         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
7130         (ix86_function_abi): Make it static and return enum calling_abi.
7131         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
7132         with ix86_abi.
7133         (ix86_fn_abi_va_list): Updated.
7134
7135         * config/i386/i386.h (ix86_abi): New.
7136         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
7137         (CONDITIONAL_REGISTER_USAGE): Likewise.
7138         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
7139         (machine_function): Likewise.
7140
7141         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
7142         with ix86_abi.
7143         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
7144         (STACK_BOUNDARY): Likewise.
7145         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
7146
7147         * config/i386/i386.opt (mabi=): New.
7148
7149         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
7150         return enum calling_abi.
7151         (ix86_function_type_abi): Likewise.
7152         (ix86_function_abi): Removed.
7153
7154         * doc/invoke.texi: Document -mabi= option for x86.
7155
7156 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7157
7158         * builtins.c (real_dconstp): Delete.
7159         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
7160
7161 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
7162             Jakub Jelinek  <jakub@redhat.com>
7163
7164         PR debug/37959
7165         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
7166         (gen_subprogram_die): When a function is explicit, generate the
7167         DW_AT_explicit attribute.
7168         * langhooks.h (struct lang_hooks_for_decls): Add
7169         function_decl_explicit_p langhook.
7170         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
7171         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
7172
7173 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
7174
7175         * builtins.c (fold_builtin_memory_op): Optimize memmove
7176         into memcpy if we can prove source and destination don't overlap.
7177
7178         * tree-inline.c: Include gt-tree-inline.h.
7179         (clone_fn_id_num): New variable.
7180         (clone_function_name): New function.
7181         (tree_function_versioning): Use it.
7182         * Makefile.in (GTFILES): Add tree-inline.c.
7183
7184 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
7185
7186         * BASE-VER: Change to 4.5.0.
7187
7188 2009-03-27  Xinliang David Li  <davidxl@google.com>
7189
7190         PR tree-optimization/39557
7191         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
7192
7193 2009-03-27  Xinliang David Li  <davidxl@google.com>
7194
7195         PR tree-optimization/39548
7196         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
7197         candidate check.
7198
7199 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7200
7201         * c-common.c (pointer_int_sum): Use %wd on return from
7202         tree_low_cst.
7203
7204 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
7205
7206         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
7207         on return from tree_low_cst.
7208
7209 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7210
7211         PR c++/36799
7212         * ginclude/stdarg.h (va_copy): Define also for
7213         __GXX_EXPERIMENTAL_CXX0X__.
7214
7215 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7216
7217         PR c++/35652
7218         * builtins.h (c_strlen): Do not warn here.
7219         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
7220         * c-common.c (pointer_int_sum): Take an explicit location.
7221         Warn about offsets out of bounds.
7222         * c-common.h (pointer_int_sum): Adjust declaration.
7223
7224 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7225
7226         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
7227         markup glitch.
7228
7229 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
7230
7231         PR c++/39554
7232         * opts.c (warn_if_disallowed_function_p): Don't assume
7233         get_callee_fndecl must return non-NULL.
7234
7235 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7236
7237         PR rtl-optimization/39522
7238         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
7239         when reg_reloaded_valid is set.
7240
7241 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7242
7243         * config/spu/divv2df3.c: New file.
7244         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
7245         (DPBIT_FUNCS): Filter out _div_df.
7246
7247 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
7248
7249         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
7250         a jump insn, count that jump in the distance to the loop start.
7251
7252 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7253
7254         PR target/39523
7255         * config/sh/sh.c (calc_live_regs): Fix condition for global
7256         registers except PIC_OFFSET_TABLE_REGNUM.
7257
7258 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
7259
7260         PR/39518
7261         * doc/invoke.texi (-mconsole): New.
7262         (-mcygwin): New.
7263         (-mno-cygwin): New.
7264         (-mdll): New.
7265         (-mnop-fun-dllimport): New.
7266         (-mthread): New.
7267         (-mwin32): New.
7268         (-mwindows): New.
7269         (sub section "i386 and x86-64 Windows Options"): New.
7270
7271 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
7272
7273         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
7274         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
7275
7276 2009-03-25  Richard Guenther  <rguenther@suse.de>
7277
7278         PR middle-end/39497
7279         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
7280         of -Wno-error.
7281
7282 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
7283
7284         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
7285         neither of haifa/selective schedulers are working.
7286
7287 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7288
7289         * doc/invoke.texi (Debugging Options): Fix description of
7290         -fno-merge-debug-strings.
7291
7292 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
7293
7294         * config/cris/libgcc.ver: New version-script.
7295         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
7296
7297         * configure.ac <GAS features, nop mnemonic>: Add pattern
7298         crisv32-*-* for "nop".
7299         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
7300         * configure: Regenerate.
7301
7302 2009-03-24  Ira Rosen  <irar@il.ibm.com>
7303
7304         PR tree-optimization/39529
7305         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7306         mark_sym_for_renaming for the tag copied to the new vector
7307         pointer.
7308
7309 2009-03-24  Arthur Loiret  <aloiret@debian.org>
7310
7311         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
7312         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
7313         EXTRA_SPEC_FUNCTIONS.
7314         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
7315         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
7316         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
7317         -march and -mtune options.
7318
7319 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
7320
7321         * config/m68k/t-rtems: Add m5329 multilib.
7322
7323 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
7324             Jakub Jelinek  <jakub@redhat.com>
7325
7326         PR debug/39524
7327         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
7328         nodes.
7329
7330 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7331
7332         PR c/39495
7333         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
7334         instead of c_parser_expression_conv, if original_code isn't one of the
7335         4 allowed comparison codes, fail.
7336
7337 2009-03-23  Richard Guenther  <rguenther@suse.de>
7338
7339         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
7340         * tree.h (struct tree_type): Likewise.
7341         * reload.h (struct insn_chain): Likewise.
7342         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
7343         * function.h (struct function): Likewise.
7344         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
7345
7346 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
7347
7348         PR tree-optimization/39516
7349         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
7350
7351 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
7352
7353         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
7354         should be set true if BITS_PER_WORD of target is bigger than 32
7355
7356 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
7357
7358         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
7359         Translate -B-options to -rpath-link.  Correct existing
7360         rpath-link and conditionalize on !nostdlib.
7361
7362 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7363
7364         * doc/extend.texi (Function Attributes, Variable Attributes):
7365         Fix typos.
7366         * doc/invoke.texi (Debugging Options, Optimize Options)
7367         (i386 and x86-64 Options, MCore Options): Likewise.
7368
7369 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
7370
7371         PR debug/37890
7372         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
7373         it for block local namespace aliases.
7374         (gen_decl_die): Pass context_die to gen_namespace_die.
7375
7376 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7377
7378         PR c/39495
7379         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
7380         minimum or maximum value.
7381
7382 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
7383
7384         * reginfo.c (globalize_reg): Recompute derived reg sets.
7385
7386 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
7387
7388         PR target/39063
7389         * libgcc2.c (mprotect): Do not use signed arguments for
7390         VirtualProtect, use DWORD arguments.  Also fix the 'may
7391         be used uninitialized' warning for the np variable.
7392
7393 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
7394
7395         PR target/39496
7396         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
7397         functions using regparm calling conventions when not optimizing.
7398         (ix86_function_sseregparm): Similarly for sseregparm calling
7399         conventions.
7400
7401 2009-03-19  Li Feng  <nemokingdom@gmail.com>
7402
7403         PR middle-end/39500
7404         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
7405         dependence if the first conflict is after niter iterations.
7406
7407 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
7408
7409         PR middle-end/38609
7410         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
7411         functions with dynamic stack-pointer adjustments.
7412
7413 2009-03-19  Ben Elliston  <bje@au.ibm.com>
7414
7415         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
7416         option; change to -msdata=data.
7417
7418 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7419
7420         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
7421         and -fopenmp.
7422
7423 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
7424
7425         PR target/35180
7426         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
7427
7428 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
7429
7430         * doc/invoke.texi (Code Gen Options): Expand discussion of
7431         -fno-common.
7432
7433 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
7434
7435         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
7436         * matrix-reorg.c (struct matrix_info): Likewise.
7437         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
7438         * rtl.h (struct mem_attrs): Likewise.
7439         * df.h (struct df): Likewise.
7440         * tree-data-ref.h (struct data_dependence_relation): Likewise.
7441         * ira-int.h (struct ira_allocno): Likewise.
7442         * df-scan.c (struct df_collection_rec): Likewise.
7443         * ira.c (struct equivalence): Likewise.
7444         * function.c (struct temp_slot): Likewise.
7445         * cfgloop.h (struct loop): Likewise.
7446
7447         PR debug/39485
7448         * function.c (use_register_for_decl): When not optimizing, disregard
7449         register keyword for variables with types containing methods.
7450
7451 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
7452
7453         PR middle-end/39447
7454         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
7455         (is_simple_operand): Call contains_component_ref_p before calling data
7456         reference analysis that would fail on COMPONENT_REFs.
7457
7458         * tree-vrp.c (search_for_addr_array): Fix formatting.
7459
7460 2009-03-18  Richard Guenther  <rguenther@suse.de>
7461
7462         * tree-vect-transform.c (vect_loop_versioning): Fold the
7463         generated comparisons.
7464         * tree-vectorizer.c (set_prologue_iterations): Likewise.
7465         (slpeel_tree_peel_loop_to_edge): Likewise.
7466
7467 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7468
7469         PR middle-end/37805
7470         * opts.c (print_specific_help): In addition to `undocumented',
7471         accept `separate' and `joined' flags if passed alone.  Describe
7472         output by the first matched one of those.
7473         (common_handle_option): Skip over empty strings.
7474         * gcc.c (display_help): Fix help string for `--help='.
7475         * doc/invoke.texi (Option Summary, Overall Options): With
7476         `--help=', classes and qualifiers can both be repeated, but
7477         only the latter can be negated.  One should not pass only
7478         negated qualifiers.  Fix markup and examples.
7479
7480         Revert
7481         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
7482         PR middle-end/37805
7483         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
7484         and -fhelp=separate.
7485
7486 2009-03-17  Jing Yu  <jingyu@google.com>
7487
7488         PR middle-end/39378
7489         * function.h (struct rtl_data): Move is_thunk from here...
7490         (struct function): ...to here.
7491         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
7492         * varasm.c (assemble_start_function): Change is_thunk from crtl to
7493         cfun.
7494         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
7495         cfun.
7496         (alpha_does_function_need_gp, alpha_start_function): Likewise.
7497         (alpha_output_function_end_prologue): Likewise.
7498         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
7499         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
7500         (rs6000_output_function_epilogue): Likewise.
7501         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
7502
7503 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
7504
7505         PR target/39482
7506         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
7507         from different units in a single alternative.
7508         (*truncdfsf_i387): Ditto.
7509         (*truncxfsf2_mixed): Ditto.
7510         (*truncxfdf2_mixed): Ditto.
7511
7512 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
7513
7514         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
7515         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
7516
7517         PR debug/39474
7518         * tree-ssa-live.c (remove_unused_locals): Don't remove local
7519         unused non-artificial variables when not optimizing.
7520
7521         PR debug/39471
7522         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
7523         DW_TAG_imported_module even if decl is IMPORTED_DECL with
7524         NAMESPACE_DECL in its DECL_INITIAL.
7525
7526         PR middle-end/39443
7527         * optabs.c (set_user_assembler_libfunc): New function.
7528         * expr.h (set_user_assembler_libfunc): New prototype.
7529         * c-common.c: Include libfuncs.h.
7530         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
7531         for memcmp, memset, memcpy, memmove and abort.
7532         * Makefile.in (c-common.o): Depend on libfuncs.h.
7533
7534         PR debug/39412
7535         * dwarf2out.c (gen_inlined_enumeration_type_die,
7536         gen_inlined_structure_type_die, gen_inlined_union_type_die,
7537         gen_tagged_type_instantiation_die): Removed.
7538         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
7539         do nothing.
7540
7541 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
7542
7543         PR testsuite/38526
7544         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
7545         its use.
7546         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
7547         (check-parallel-%): Ditto.
7548         (check-consistency): Ditto.
7549
7550 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
7551
7552         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
7553         local variable rhs by NULL_TREE.
7554
7555 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7556
7557         PR target/39477
7558         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
7559
7560 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7561
7562         PR target/39476
7563         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
7564
7565 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7566
7567         PR target/39473
7568         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
7569         for ms->sysv ABI calls only in 64bit mode.
7570
7571         * config/i386/i386.md (untyped_call): Support 32bit.
7572
7573 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
7574
7575         * doc/extend.texi: Replace x86_65 with x86_64.
7576
7577 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
7578
7579         PR tree-optimization/39455
7580         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
7581         mismatches for POINTER_TYPE_P (type).
7582         (number_of_iterations_le): Likewise.
7583
7584 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7585
7586         * config/picochip/picochip.c: Removed profiling support.
7587         * config/picochip/picochip.md: Removed profiling instruction.
7588         * config/picochip/picochip.h: Removed profiling builtin.
7589
7590 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
7591
7592         * doc/install.texi (--with-host-libstdcxx): Document.
7593
7594 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
7595
7596         PR target/34299
7597         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
7598         generate a warning if the function name does not begin with
7599         "__vector" and the function has either the 'signal' or 'interrupt'
7600         attribute, from here to ...
7601         (avr_declare_function_name): ...here. New function.
7602         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
7603         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
7604
7605 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
7606
7607         PR bootstrap/39454
7608         * cse.c (fold_rtx): Don't modify original const_arg1 when
7609         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
7610         separate variable instead.
7611         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
7612         from out of range shift counts.
7613         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
7614
7615 2009-03-13  Catherine Moore  <clm@codesourcery.com>
7616
7617         * config/i386/x-mingw32 (host-mingw32.o): Replace
7618         diagnostic.h with $(DIAGNOSTIC_H).
7619
7620 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
7621
7622         PR target/39431
7623         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
7624         predicate.
7625         * config/i386/sync.md (sync_compare_and_swap<mode>,
7626         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
7627         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
7628         into a register.
7629         (sync_double_compare_and_swapdi_pic,
7630         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
7631         cmpxchg8b_pic_memory_operand instead of just memory_operand.
7632
7633 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7634
7635         PR target/39445
7636         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
7637
7638 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7639
7640         PR target/39327
7641         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
7642         (avx_addsubv4df3): Likewise.
7643         (*avx_addsubv4sf3): Likewise.
7644         (sse3_addsubv4sf3): Likewise.
7645
7646 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
7647
7648         PR target/38824
7649         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
7650
7651 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7652
7653         PR debug/39432
7654         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
7655         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
7656         registers for allocnos created from user-defined variables.
7657
7658 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7659
7660         PR target/39181
7661         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
7662         of non-integer mode as well.
7663
7664 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
7665
7666         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
7667         for functions for which the parameter types are unknown.
7668
7669 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
7670
7671         PR target/39137
7672         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
7673         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
7674         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
7675         * config/i386/i386.c (ix86_local_alignment): For
7676         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
7677         long long variables on the stack to avoid dynamic realignment.
7678         Allow the first argument to be a decl rather than type.
7679         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
7680
7681 2009-03-11  Nick Clifton  <nickc@redhat.com>
7682
7683         PR target/5362
7684         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
7685         options.
7686         Add description to mno-lsim option.
7687         * config/mcore/mcore.h: Remove comment about deprecated m4align
7688         option.
7689         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
7690         * doc/invoke.texi: Add description of mno-lsim and
7691         mstack-increment options.
7692
7693         * config/fr30/fr30.opt: Document the -mno-lsim option.
7694         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
7695         and -mno-lsim options.
7696
7697 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7698
7699         * fold-const.c (fold_comparison): Only call fold_inf_compare
7700         if the mode supports infinities.
7701
7702 2009-03-11  Jason Merrill  <jason@redhat.com>
7703
7704         PR debug/39086
7705         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
7706         end already did.  Notice GIMPLE_CALL modifications of the result.
7707         Don't copy debug information from an ignored decl or a decl from
7708         another function.
7709
7710 2009-03-10  Richard Guenther  <rguenther@suse.de>
7711             Nathan Froyd  <froydnj@codesourcery.com>
7712
7713         PR middle-end/37850
7714         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
7715         (__divMODE3): Likewise.
7716
7717 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
7718
7719         PR tree-optimization/39394
7720         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
7721         DECL_SIZE_UNIT of variable length FIELD_DECLs.
7722
7723 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7724
7725         * recog.c (verfiy_changes): Disallow renaming of hard regs in
7726         inline asms for register asm ("") declarations.
7727
7728 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
7729
7730         * fold-const.c (fold_unary): Fix comment.
7731
7732 2009-03-07  Jan Hubicka  <jh@suse.cz>
7733
7734         PR target/39361
7735         * tree-inline.c (setup_one_parameter): Do replacement of const
7736         argument by constant in SSA form.
7737
7738 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7739
7740         PR middle-end/38028
7741         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
7742         determine alignment passed to assign_stack_local.
7743         (assign_parms_unsplit_complex): Likewise.
7744         * except.c (sjlj_build_landing_pads): Likewise.
7745
7746 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7747
7748         PR middle-end/39360
7749         * tree-flow.h (add_referenced_var): Return bool instead of void.
7750         * tree-dfa.c (add_referenced_var): Return result of
7751         referenced_var_check_and_insert call.
7752         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
7753         of referenced_var_check_and_insert.
7754
7755         PR debug/39372
7756         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
7757         (gen_variable_die): Emit DW_AT_location on abstract static variable's
7758         DIE, don't emit it if abstract origin already has it.
7759         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
7760         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
7761
7762 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
7763
7764         * genpreds.c (needs_variable): Fix parentheses at variable name
7765         detection.
7766         (write_tm_constrs_h): Indent generated code.
7767
7768 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7769
7770         * doc/extend.texi (Function Attributes): Add documentation
7771         for isr attributes.
7772
7773 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
7774
7775         PR debug/39387
7776         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
7777         take locus from its DECL_SOURCE_LOCATION instead of input_location.
7778
7779 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7780
7781         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
7782         the loop as bad.
7783
7784 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
7785
7786         PR debug/39379
7787         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
7788         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
7789
7790 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
7791
7792         * config/i386/i386.md (R8_REG, R9_REG): New constants.
7793         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
7794         constants instead of magic numbers.
7795         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
7796         (QI_REG_P): Ditto.
7797         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
7798         (x86_64_ms_abi_int_parameter_registers): Ditto.
7799         (x86_64_int_return_registers): Ditto.
7800         (ix86_maybe_switch_abi): Ditto.
7801         (ix86_expand_call): Ditto for clobbered_registers array.
7802         (ix86_hard_regno_mode_ok): Ditto.
7803         (x86_extended_QIreg_mentioned_p): Ditto.
7804
7805 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
7806
7807         PR tree-optimization/39349
7808         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
7809
7810         * combine.c (gen_lowpart_for_combine): Use omode when generating
7811         clobber.
7812
7813 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
7814
7815         PR rtl-optimization/39235
7816         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
7817
7818 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
7819
7820         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
7821
7822 2009-03-04  Richard Guenther  <rguenther@suse.de>
7823
7824         PR tree-optimization/39362
7825         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
7826         that occur in abnormal PHIs should be varying.
7827
7828 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
7829
7830         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
7831         Extend comments.
7832         (simple_iv):  Take loop as an argument instead of statement.
7833         * tree-scalar-evolution.h (simple_iv): Declaration changed.
7834         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
7835         to simple_iv.
7836         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
7837         Ditto.
7838         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
7839         * matrix-reorg.c (analyze_transpose): Ditto.
7840         * tree-data-ref.c (dr_analyze_innermost): Ditto.
7841         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
7842         * tree-predcom.c (ref_at_iteration): Ditto.
7843         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
7844
7845 2009-03-04  Richard Guenther  <rguenther@suse.de>
7846
7847         PR tree-optimization/39358
7848         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
7849         escaped_id and callused_id.
7850         (solve_graph): Likewise.
7851
7852 2009-03-04  Richard Guenther  <rguenther@suse.de>
7853
7854         PR tree-optimization/39339
7855         * tree-sra.c (try_instantiate_multiple_fields): Make it
7856         no longer ICE on the above.
7857
7858 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
7859
7860         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
7861         that fits within Pmode.
7862
7863 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
7864
7865         PR middle-end/10109
7866         * tm.texi (LIBCALL_VALUE): Update description.
7867
7868 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
7869
7870         PR middle-end/34443
7871         * doc/extend.texi (section): Update description.
7872
7873 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
7874
7875         PR middle-end/39345
7876         * tree-inline.c (remapped_type): New.
7877         (can_be_nonlocal): Call remapped_type instead of remap_type.
7878
7879 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
7880
7881         PR fortran/39354
7882         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
7883         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
7884
7885 2009-03-03  Richard Guenther  <rguenther@suse.de>
7886
7887         PR middle-end/39272
7888         * tree.c (tree_nonartificial_location): New function.
7889         * tree.h (tree_nonartificial_location): Declare.
7890         * builtins.c (expand_builtin_memory_chk): Provide location
7891         of the call location for artificial function pieces.
7892         (maybe_emit_chk_warning): Likewise.
7893         (maybe_emit_sprintf_chk_warning): Likewise.
7894         (maybe_emit_free_warning): Likewise.
7895         * expr.c (expand_expr_real_1): Likewise.
7896
7897 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
7898
7899         PR tree-optimization/39343
7900         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
7901         COMPONENT_REF t has ARRAY_TYPE.
7902
7903 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
7904
7905         PR middle-end/39335
7906         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
7907         when the type precision of the induction variable should be
7908         larger than the type precision of nit.
7909         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
7910         * graphite.c (graphite_loop_normal_form): Same.
7911         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
7912
7913 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
7914
7915         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
7916         (*call_1_rex64_ms_sysv): Use named constants instead of magic
7917         numbers to describe clobbered registers.
7918         (*call_value_0_rex64_ms_sysv): Ditto.
7919         * config/i386/mmx.md (mmx_emms): Ditto.
7920         (mmx_femms): Ditto.
7921
7922 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
7923
7924         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
7925         of ABI_64.
7926
7927 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7928
7929         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
7930         (spu_section_type_flags): New function.
7931
7932 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
7933
7934         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
7935         reg_class_contents of FLOAT_REGS into a temporary.
7936
7937 2009-03-02  Richard Guenther  <rguenther@suse.de>
7938             Ira Rosen  <irar@il.ibm.com>
7939
7940         PR tree-optimization/39318
7941         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
7942         information to the vectorized statement.
7943
7944 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
7945
7946         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
7947         variable.  Use defined names instead of magic constants for REX SSE
7948         registers.
7949
7950 2009-03-01  Richard Guenther  <rguenther@suse.de>
7951
7952         PR tree-optimization/39331
7953         * omp-low.c (lower_send_shared_vars): Do not receive new
7954         values for the reference of DECL_BY_REFERENCE parms or results.
7955
7956 2009-03-01  Jan Hubicka  <jh@suse.cz>
7957
7958         PR debug/39267
7959         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
7960         BLOCK_NONLOCALIZED_VAR): New macros.
7961         (tree_block): Add nonlocalized_vars.
7962         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
7963         gen_decl_die): Add origin argument.  Allow generation of die with
7964         origin at hand only.
7965         (gen_member_die, gen_type_die_with_usage, force_decl_die,
7966         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
7967         of gen_*.
7968         (gen_block_die): Fix checking for unused blocks.
7969         (process_scope_var): Break out from .... ; work with origins only.
7970         (decls_for_scope) ... here; process nonlocalized list.
7971         (dwarf2out_ignore_block): Look for nonlocalized vars.
7972         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
7973         vars.
7974         (dump_scope_block): Dump them.
7975         * tree-inline.c (remap_decls): Handle nonlocalized vars.
7976         (remap_block): Likewise.
7977         (can_be_nonlocal): New predicate.
7978         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
7979
7980 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7981
7982         * configure: Regenerate.
7983
7984 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7985
7986         * optc-gen.awk: No need to duplicate option flags twice.
7987         Reuse help texts for duplicate options which do not have any.
7988
7989         * gcc.c (display_help): Document --version.
7990
7991         * gcc.c (main): If print_help_list and verbose_flag, ensure
7992         driver output comes before subprocess output.
7993
7994         * optc-gen.awk: Assign all remaining fields to help string,
7995         space-separated, for multi-line help in *.opt.
7996
7997         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
7998         -Wno-pedantic-ms-format is for MinGW targets only.
7999
8000         * doc/options.texi (Option file format): Fix bad indentation,
8001         restoring dropped sentence.
8002
8003 2009-02-28  Jan Hubicka  <jh@suse.cz>
8004
8005         * tree-inline.c (tree_function_versioning): Output debug info.
8006
8007 2009-02-28  Jan Hubicka  <jh@suse.cz>
8008
8009         PR debug/39267
8010         * tree-inline.c (setup_one_parameter): Do not copy propagate
8011         arguments when not optimizing.
8012
8013 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8014
8015         PR target/39327
8016         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
8017         (avx_addsubv4df3): Likewise.
8018         (*avx_addsubv4sf3): Likewise.
8019         (sse3_addsubv4sf3): Likewise.
8020         (*avx_addsubv2df3): Likewise.
8021         (sse3_addsubv2df3): Likewise.
8022         (avx_unpckhps256): Correct item selectors.
8023         (avx_unpcklps256): Likewise.
8024         (avx_unpckhpd256): Likewise.
8025         (avx_unpcklpd256): Likewise.
8026
8027 2009-02-28  Jan Hubicka  <jh@suse.cz>
8028
8029         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
8030         static vars.
8031         (copy_arguments_for_versioning): If var is declared don't declare it.
8032         (tree_function_versioning): First setup substitutions and then copy
8033         args.
8034
8035 2009-02-27  Jan Hubicka  <jh@suse.cz>
8036
8037         PR debug/39267
8038         * cgraph.h (varpool_output_debug_info): Remove.
8039         * cgraphunit.c (varpool_output_debug_info): Remove.
8040         * dwarf2out.c (deferred_locations_struct): New struct
8041         (deferred_locations): New type.
8042         (deferred_locations_list): New static var.
8043         (deffer_location): New function.
8044         (gen_variable_die): Use it.
8045         (decls_for_scope): Output info on local static vars.
8046         (dwarf2out_finish): Process deferred locations.
8047         * varpool.c (varpool_output_debug_info): Remove.
8048
8049 2009-02-27  Jan Hubicka  <jh@suse.cz>
8050
8051         PR debug/39267
8052         * tree.h (TREE_PROTECTED): Fix comment.
8053         (BLOCK_HANDLER_BLOCK): Remove.
8054         (struct tree_block): Remove handler_block add body_block.
8055         (inlined_function_outer_scope_p): New.
8056         (is_body_block): Remove.
8057         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
8058         * dwarf2out.c (is_inlined_entry_point): Remove.
8059         (add_high_low_attributes): Use inlined_function_outer_scope_p.
8060         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
8061         code.
8062         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
8063         * gimplify.c (gimplify_expr): Gimplify body blocks.
8064         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
8065         block with multiple subblocks.
8066         (dump_scope_block): Prettier output; dump more flags and info.
8067         (dump_scope_blocks): New.
8068         (remove_unused_locals): Use dump_scope_blocks.
8069         * tree-flow.h (dump_scope_blocks): Declare.
8070         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
8071         * stmt.c (is_body_block): Remove.
8072         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
8073         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
8074
8075 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
8076
8077         PR middle-end/39308
8078         * graphite.c (graphite_loop_normal_form): Do not call
8079         number_of_iterations_exit from a gcc_assert.
8080
8081 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8082
8083         * config/s390/s390.c (s390_swap_cmp): Look for conditional
8084         jumps if COND is NULL.
8085         (find_cond_jump): New function.
8086         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
8087         * config/s390/s390.md: Remove z10_cobra attribute value.
8088
8089 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
8090
8091         * config/alpha/alpha.h (alpha_expand_mov): Return false if
8092         force_const_mem returns NULL_RTX.
8093
8094 2009-02-26  Jan Hubicka  <jh@suse.cz>
8095
8096         PR debug/39267
8097         * cgraph.h (varpool_output_debug_info): Remove.
8098         * cgraphunit.c (varpool_output_debug_info): Remove.
8099         * dwarf2out.c (deferred_locations_struct): New struct
8100         (deferred_locations): New type.
8101         (deferred_locations_list): New static var.
8102         (deffer_location): New function.
8103         (gen_variable_die): Use it.
8104         (decls_for_scope): Output info on local static vars.
8105         (dwarf2out_finish): Process deferred locations.
8106         * varpool.c (varpool_output_debug_info): Remove.
8107
8108 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8109
8110         PR rtl-optimization/39241
8111         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
8112         to subreg_offset_representable_p.
8113
8114 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8115
8116         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
8117         execute function prototype.  Get f and nregs from max_reg_num
8118         and get_insns.  Remove the first backward pass as it's dead,
8119         guard the forward pass by flag_expensive_optimizations.
8120         (rest_of_handle_regmove): Delete.
8121         (pass_regmove): Replace it with regmove_optimize.
8122
8123 2009-02-25  Martin Jambor  <mjambor@suse.cz>
8124
8125         PR tree-optimization/39259
8126         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
8127         calls_alloca function flags.
8128         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
8129         calls are detected.
8130
8131 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
8132
8133         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
8134         flags_set_1_rtx, flags_set_1_set): Delete.
8135         (regmove_optimize): Do not call mark_flags_life_zones.
8136
8137 2009-02-24  Julian Brown  <julian@codesourcery.com>
8138
8139         PR target/35965
8140         * config/arm/arm.c (require_pic_register): Only set
8141         cfun->machine->pic_reg once per function.
8142
8143 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
8144
8145         * doc/invoke.texi (Link Options): Document an easier way to pass
8146         options that take arguments to the GNU linker using -Xlinker and -Wl.
8147
8148 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
8149
8150         PR target/33785
8151         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
8152
8153 2009-02-24  Richard Guenther  <rguenther@suse.de>
8154
8155         PR debug/39285
8156         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
8157
8158 2009-02-24  Richard Guenther  <rguenther@suse.de>
8159             Zdenek Dvorak  <ook@ucw.cz>
8160
8161         PR tree-optimization/39233
8162         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
8163         from converting them to a generic type.
8164
8165 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
8166
8167         PR tree-optimization/39260
8168         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
8169         contains a condition with a real type.
8170         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
8171
8172 2009-02-23  Jason Merrill  <jason@redhat.com>
8173
8174         PR c++/38880
8175         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
8176         narrowing_initializer_constant_valid_p.
8177         (narrowing_initializer_constant_valid_p): Don't return
8178         null_pointer_node for adding a pointer to itself.
8179
8180 2009-02-23  Jan Hubicka  <jh@suse.cz>
8181
8182         PR c/12245
8183         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
8184         resizing.
8185
8186 2009-02-23  Jan Hubicka  <jh@suse.cz>
8187
8188         PR tree-optimization/37709
8189         * tree.c (block_ultimate_origin): Move here from dwarf2out.
8190         * tree.h (block_ultimate_origin): Declare.
8191         * dwarf2out.c (block_ultimate_origin): Move to tree.c
8192         * tree-ssa-live.c (remove_unused_scope_block_p):
8193         Eliminate blocks containig no instructions nor live variables nor
8194         nested blocks.
8195         (dump_scope_block): New function.
8196         (remove_unused_locals): Enable removal of dead blocks by default;
8197         enable dumping at TDF_DETAILS.
8198
8199 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8200
8201         * config/i386/i386.c (classify_argument): Don't allow COImode
8202         and OImode.
8203         (function_arg_advance_32): Don't allow OImode.
8204         (function_arg_32): Likewise.
8205         (function_value_32): Likewise.
8206         (return_in_memory_32): Likewise.
8207         (function_arg_64): Remove OImode comment.
8208
8209 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8210
8211         PR target/39261
8212         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
8213         ix86_expand_vector_set for V4DImode in 64bit mode only.
8214         (ix86_expand_vector_init_one_var): Likewise.
8215
8216 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
8217
8218         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
8219
8220 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8221
8222         PR bootstrap/39257
8223         * loop-iv.c: Revert last change.
8224         * emit-rtl.c: Likewise.
8225
8226 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
8227
8228         PR target/39256
8229         * config/i386/i386.c (type_natural_mode): Remove an extra
8230         space in the warning message.
8231         (function_value_32): Handle 32-byte vector modes.
8232         (return_in_memory_32): Likewise.
8233
8234 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
8235
8236         * loop-iv.c (truncate_value): New function.
8237         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
8238         of lowpart_subreg.
8239         (lowpart_subreg): Move to...
8240         * emit-rtl.c: ...here.
8241
8242 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
8243
8244         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
8245         accidental and undocumented change at revision 140860.
8246
8247 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
8248
8249         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
8250         take gimple_seq * arguments.
8251         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
8252         types_compatible_p langhook.
8253
8254 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
8255             Joseph Myers  <joseph@codesourcery.com>
8256
8257         * config/arm/arm.c (arm_builtin_va_list): New function.
8258         (arm_expand_builtin_va_start): Likewise.
8259         (arm_gimplify_va_arg_expr): Likewise.
8260         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
8261         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
8262         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
8263         (va_list_type): New variable.
8264         (arm_mangle_type): Mangle va_list_type appropriately.
8265
8266 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8267
8268         PR middle-end/39157
8269         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
8270         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
8271         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
8272         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
8273         parameter to 1000 for -O1 by default.
8274         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
8275         parameter.
8276         * loop-invariant.c: Include params.h.
8277         (move_loop_invariants): Don't call move_single_loop_invariants on
8278         very large loops.
8279
8280 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
8281
8282         * calls.c (emit_library_call_value_1): Use slot_offset instead of
8283         offset when calculating bounds for indexing stack_usage_map.  Fixes
8284         a buffer overflow with certain target setups.
8285
8286 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
8287
8288         PR target/39240
8289         * calls.c (expand_call): Clear try_tail_call if caller and callee
8290         disagree in promotion of function return value.
8291
8292 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
8293
8294         PR target/39175
8295         * c-common.c (c_determine_visibility): If visibility changed and
8296         DECL_RTL has been already set, call make_decl_rtl to update symbol
8297         flags.
8298
8299 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8300
8301         PR c++/39188
8302         * varasm.c (assemble_variable): Don't check DECL_NAME when
8303         globalizing a variable.
8304
8305 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
8306
8307         PR c/38483
8308         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
8309         expression before any __builtin_trap call.
8310         * c-typeck.c (build_function_call): Convert and check function
8311         arguments before generating a call to a trap.  Evaluate the
8312         function arguments before the trap.
8313
8314 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
8315
8316         PR target/39228
8317         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
8318         (UNSPEC_FXAM_MEM): New unspec.
8319         (fxam<mode>2_i387_with_temp): New insn and split pattern.
8320         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
8321         memory using fxam<mode>2_i387_with_temp to remove excess precision.
8322
8323 2009-02-19  Richard Guenther  <rguenther@suse.de>
8324
8325         PR tree-optimization/39207
8326         PR tree-optimization/39074
8327         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
8328         storedanything_tree): New.
8329         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
8330         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
8331         (build_succ_graph): Add edges from STOREDANYTHING to all
8332         non-direct nodes.
8333         (init_base_vars): Initialize STOREDANYTHING.
8334         (compute_points_to_sets): Free substitution info after
8335         building the succ graph.
8336         (ipa_pta_execute): Likewise.
8337
8338         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
8339         field.
8340         (do_ds_constraint): Do not add to special var or non-pointer
8341         field solutions.
8342         (type_could_have_pointers): Split out from ...
8343         (could_have_pointers): ... here.  For arrays use the element type.
8344         (create_variable_info_for): Initialize may_have_pointers.
8345         (new_var_info): Likewise.
8346         (handle_lhs_call): Make the HEAP variable unknown-sized.
8347         (intra_create_variable_infos): Use a type with pointers for
8348         PARM_NOALIAS, make it unknown-sized.
8349
8350 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8351
8352         PR target/39224
8353         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
8354
8355 2009-02-18  Jason Merrill  <jason@redhat.com>
8356
8357         PR target/39179
8358         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
8359         value if DECL_EXTERNAL.
8360         * tree-sra.c (sra_walk_gimple_assign): Likewise.
8361         * target.h (gcc_target::binds_local_p): Clarify "module".
8362         * tree.h (TREE_PUBLIC): Clarify "module".
8363
8364 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
8365
8366         PR target/38891
8367         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
8368         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
8369
8370 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
8371
8372         PR target/39082
8373         * c.opt (Wabi): Support C and ObjC.
8374         (Wpsabi): New.
8375
8376         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
8377
8378         * config/i386/i386.c (classify_argument): Warn once about the ABI
8379         change when passing union with long double.
8380
8381         * doc/invoke.texi: Update -Wabi for warning psABI changes.
8382
8383 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
8384
8385         PR c/35447
8386         * c-parser.c (c_parser_compound_statement): Always enter and leave
8387         a scope.
8388
8389 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8390
8391         PR target/34587
8392         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
8393
8394 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
8395
8396         PR tree-optimization/36922
8397         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
8398         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
8399         Likewise.
8400
8401 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8402
8403         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
8404         to 0 for EABI64.
8405
8406 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8407
8408         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
8409
8410 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
8411
8412         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
8413         tree sharing.
8414
8415 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
8416             Richard Sandiford  <rdsandiford@googlemail.com>
8417
8418         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
8419         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
8420         (loongson_biadd): ...this.
8421
8422 2009-02-17  Richard Guenther  <rguenther@suse.de>
8423
8424         PR tree-optimization/39202
8425         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
8426         a var make sure to follow existing collapses.
8427
8428 2009-02-17  Richard Guenther  <rguenther@suse.de>
8429
8430         PR middle-end/39214
8431         * langhooks.c (lhd_print_error_function): Check for NULL block.
8432
8433 2009-02-17  Richard Guenther  <rguenther@suse.de>
8434
8435         PR tree-optimization/39204
8436         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
8437         of the PHI arg.
8438
8439 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
8440
8441         * config/soft-fp/double.h: Update from glibc CVS.
8442
8443 2009-02-17  Richard Guenther  <rguenther@suse.de>
8444
8445         PR tree-optimization/39207
8446         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
8447         strict-aliasing warnings for pointers pointing to NULL.
8448
8449 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
8450
8451         PR c/35446
8452         * c-parser.c (c_parser_braced_init): Call pop_init_level when
8453         skipping until next close brace.
8454
8455 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
8456
8457         PR target/37049
8458         * config/i386/i386.c (ix86_expand_push): Set memory alignment
8459         to function argument boundary.
8460
8461 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
8462
8463         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
8464         in the lea_add. Reload eventually constraints it properly.
8465         * config/picochip/constraints.md: Remove the target constraint
8466         "b", since it is not needed anymore.
8467
8468 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
8469
8470         * gthr-dce.h: Uglify function parameter and local variable names.
8471         * gthr-gnat.h: Likewise.
8472         * gthr-mipssde.h: Likewise.
8473         * gthr-nks.h: Likewise.
8474         * gthr-posix95.h: Likewise.
8475         * gthr-posix.h: Likewise.
8476         * gthr-rtems.h: Likewise.
8477         * gthr-single.h: Likewise.
8478         * gthr-solaris.h: Likewise.
8479         * gthr-tpf.h: Likewise.
8480         * gthr-vxworks.h: Likewise.
8481         * gthr-win32.h: Likewise.
8482
8483 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
8484
8485         PR target/39196
8486         * config/i386/i386.md: Restrict the new peephole2 to move
8487         between MMX/SSE registers.
8488
8489 2009-02-15  Richard Guenther  <rguenther@suse.de>
8490
8491         Revert
8492         2009-02-13  Richard Guenther  <rguenther@suse.de>
8493
8494         * configure.ac: Enable LFS.
8495         * configure: Re-generate.
8496         * config.in: Likewise.
8497
8498 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8499
8500         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
8501         spu_srqwbyte, spu_srqwbytebc): Define.
8502         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
8503         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
8504         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
8505         "shrqby_<mode>"): New insn-and-split patterns.
8506         * config/spu/spu.c (expand_builtin_args): Determine and return
8507         number of operands using spu_builtin_description data.
8508         (spu_expand_builtin_1): Use it.
8509
8510 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
8511
8512         PR target/38056
8513         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
8514         TARGET_CONST_GP.
8515
8516 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8517
8518         PR target/39149
8519         * config/i386/i386.c (override_options): Correct warning
8520         messages for -malign-loops, -malign-jumps and -malign-functions.
8521
8522 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8523
8524         PR target/39152
8525         * config/i386/i386.md: Restrict the new peephole2 to move
8526         between the general purpose registers.
8527
8528 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
8529
8530         PR target/39162
8531         * config/i386/i386.c (type_natural_mode): Add a new argument.
8532         Return the original mode and warn ABI change if vector size is 32byte.
8533         (function_arg_advance): Updated.
8534         (function_arg): Likewise.
8535         (ix86_function_value): Likewise.
8536         (ix86_return_in_memory): Likewise.
8537         (ix86_sol10_return_in_memory): Likewise.
8538         (ix86_gimplify_va_arg): Likewise.
8539         (function_arg_32): Don't warn ABX ABI change here.
8540         (function_arg_64): Likewise.
8541
8542 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8543
8544         * loop-iv.c (implies_p): In the final case, test that operands 0
8545         of the two comparisons match.
8546
8547         * config/bfin/bfin.c (find_prev_insn_start): New function.
8548         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
8549         (find_next_insn_start): Move.
8550
8551 2009-02-13  Richard Guenther  <rguenther@suse.de>
8552
8553         * configure.ac: Enable LFS.
8554         * configure: Re-generate.
8555         * config.in: Likewise.
8556
8557 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
8558
8559         PR c/35444
8560         * c-parser.c (c_parser_parms_list_declarator): Discard pending
8561         sizes on syntax error after some arguments have been parsed.
8562
8563 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8564
8565         * doc/invoke.texi (-fira): Remove.
8566
8567 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8568
8569         * caller-save.c: Replace regclass.c with reginfo.c in comments.
8570         * recog.c: Likewise.
8571         * rtl.h: Likewise.
8572
8573 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
8574
8575         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
8576         (umul_ppmm): Likewise.
8577         (count_leading_zeros): Likewise.
8578         (count_trailing_zeros): Likewise.
8579         (UMUL_TIME): Likewise.
8580
8581 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8582
8583         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
8584         soft-fp/t-softfp to tmake_file.
8585
8586         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
8587         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
8588         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
8589         IA64_BUILTIN_INFQ]: New.
8590         (ia64_init_builtins): Initialize __builtin_infq,
8591         __builtin_fabsq and __builtin_copysignq if not HPUX.
8592         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
8593         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
8594
8595         * config/ia64/lib1funcs.asm (__divtf3): Define only if
8596         SHARED is defined.
8597         (__fixtfti): Likewise.
8598         (__fixunstfti): Likewise.
8599         (__floattitf): Likewise.
8600
8601         * config/ia64/libgcc-glibc.ver: New.
8602         * config/ia64/t-fprules-softfp: Likewise.
8603         * config/ia64/sfp-machine.h: Likewise.
8604
8605         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
8606         (LIBGCC2_TF_CEXT): Likewise.
8607         (TF_SIZE): Likewise.
8608         (TARGET_INIT_LIBFUNCS): Likewise.
8609
8610         * config/ia64/t-glibc (SHLINB_MAPFILES):
8611         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
8612
8613 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
8614
8615         * config/i386/i386.c (construct_container): Rewrite processing
8616         BLKmode with X86_64_SSE_CLASS.
8617
8618 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
8619
8620         PR target/39152
8621         * config/i386/i386.md: Replace simplify_replace_rtx with
8622         replace_rtx in the new peephole2.
8623
8624 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
8625
8626         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
8627         loop unrolling do not happen at -O2.
8628
8629 2009-02-12  Michael Matz  <matz@suse.de>
8630
8631         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
8632
8633 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
8634
8635         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
8636         for -g3.
8637
8638 2009-02-12  Ben Elliston  <bje@au.ibm.com>
8639
8640         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
8641         patterns when updating the back chain.  Missed in the 2009-02-10
8642         change.
8643
8644 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
8645
8646         * doc/extend.texi (Decimal Floating Types): Update identifier of
8647         draft TR and list of missing support.
8648
8649 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
8650
8651         PR middle-end/39154
8652         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
8653         bit to variable length decl's flags, add it also to its
8654         pointer replacement variable.
8655
8656 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
8657             Jakub Jelinek  <jakub@redhat.com>
8658
8659         PR target/39118
8660         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
8661         (memory_blockage): New expander.
8662         (*memory_blockage): New insn pattern.
8663         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
8664         instead of general blockage at the end of function prologue when
8665         frame pointer is used to access red zone area.  Do not emit blockage
8666         when profiling, it is emitted in generic code.
8667         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
8668         function epilogue when frame pointer is used to access red zone area.
8669
8670 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
8671
8672         PR target/38824
8673         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
8674         by arithmetic with memory operands.
8675         * config/i386/predicates.md (commutative_operator): New.
8676
8677 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
8678
8679         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
8680         bulleted lists.
8681
8682 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
8683
8684         * alias.h (record_alias_subset): Declare.
8685         * alias.c (record_alias_subset): Make global.
8686
8687 2009-02-10  Nick Clifton  <nickc@redhat.com>
8688
8689         * tree-parloops.c: Change license to GPLv3.
8690         * ipa-struct-reorg.c: Change license to GPLv3.
8691         * ipa-struct-reorg.h: Change license to GPLv3.
8692
8693 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
8694
8695         PR c/39084
8696         * c-decl.c (start_struct): Return NULL on error.
8697
8698 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
8699
8700         PR middle-end/39124
8701         * cfgloopmanip.c (remove_path): Call remove_bbs after
8702         cancel_loop_tree, not before it.
8703
8704         PR target/39139
8705         * function.h (struct function): Add has_local_explicit_reg_vars bit.
8706         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
8707         VAR_DECLs were seen.
8708         * tree-ssa-live.c (remove_unused_locals): Recompute
8709         cfun->has_local_explicit_reg_vars.
8710         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
8711         copies or clearings if cfun->has_local_explicit_reg_vars.
8712
8713 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
8714
8715         PR target/39118
8716         * config/i386/i386.c (expand_prologue): Emit blockage at the end
8717         of function prologue when frame pointer is used to access
8718         red zone area.
8719
8720 2009-02-10  Richard Guenther  <rguenther@suse.de>
8721
8722         PR middle-end/39127
8723         * gimplify.c (gimple_regimplify_operands): Always look if
8724         we need to create a temporary.
8725
8726 2009-02-10  Richard Guenther  <rguenther@suse.de>
8727
8728         PR tree-optimization/39132
8729         * tree-loop-distribution.c (todo): New global var.
8730         (generate_memset_zero): Trigger TODO_rebuild_alias.
8731         (tree_loop_distribution): Return todo.
8732
8733 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
8734
8735         PR target/39119
8736         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
8737         (x86_64_reg_class_name): Removed.
8738         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
8739         first one isn't X86_64_SSE_CLASS or any other ones aren't
8740         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
8741         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
8742         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
8743         and 3 X86_64_SSEUP_CLASS.
8744         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
8745         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
8746
8747 2009-02-10  Ben Elliston  <bje@au.ibm.com>
8748
8749         * config/rs6000/rs6000.md (allocate_stack): Always use an update
8750         form instruction to update the stack back chain word, even if the
8751         user has disabled the generation of update instructions.
8752         (movdi_<mode>_update_stack): New.
8753         (movsi_update_stack): Likewise.
8754         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
8755         always use an update form instruction to update the stack back
8756         chain word.
8757
8758 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
8759
8760         PR middle-end/38953
8761         * graphite.c (if_region_set_false_region): After moving a region in
8762         the false branch of a condition, remove the empty dummy basic block.
8763         (gloog): Remove wrong fix for PR38953.
8764
8765 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8766
8767         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
8768         generation due to implicit sign extension.
8769
8770 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
8771
8772         PR middle-end/38981
8773         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
8774         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
8775
8776 2009-02-09  Richard Guenther  <rguenther@suse.de>
8777
8778         PR middle-end/35202
8779         * convert.c (convert_to_real): Disable (float)fn((double)x)
8780         to fnf(x) conversion if errno differences may occur and
8781         -fmath-errno is set.
8782
8783 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
8784
8785         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
8786         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8787         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8788
8789 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
8790
8791         PR c/35434
8792         * c-common.c (handle_alias_attribute): Disallow attribute for
8793         anything not a FUNCTION_DECL or VAR_DECL.
8794
8795 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
8796
8797         PR c/39035
8798         * real.c (do_compare): Special-case compare of zero against
8799         decimal float value.
8800
8801 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
8802
8803         PR c/36432
8804         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
8805         as indicating flexible array members unless the field itself is
8806         being declarared as the incomplete array.
8807
8808 2009-02-06  Jan Hubicka  <jh@suse.cz>
8809
8810         PR tree-optimization/38844
8811         * ipa-inline.c (try_inline): Stop inlining recursion when edge
8812         is already inlined.
8813
8814 2009-02-06  Richard Guenther  <rguenther@suse.de>
8815
8816         PR middle-end/38977
8817         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
8818         fork because we may expand it as __gcov_fork.
8819
8820 2009-02-06  Nick Clifton  <nickc@redhat.com>
8821
8822         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
8823
8824 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
8825
8826         PR tree-optimization/35659
8827         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
8828         vn_phi_eq): Shortcut if hashcode does not match.
8829         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
8830         NULL operands.
8831         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
8832         and avoid iterative_hash_expr.
8833         (FOR_EACH_VALUE_ID_IN_SET): New.
8834         (value_id_compare): Remove.
8835         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
8836         sort expressions by value id.
8837
8838 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
8839
8840         PR target/38991
8841         * config/sh/predicates.md (general_movsrc_operand): Don't check
8842         the subreg of system registers here.
8843
8844 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
8845
8846         PR c++/39106
8847         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
8848         on the copied decl.
8849
8850 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
8851
8852         PR rtl-optimization/39110
8853         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
8854         addresses, not aligned ones.
8855
8856 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
8857             Richard Guenther  <rguenther@suse.de>
8858
8859         PR tree-optimization/39100
8860         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
8861         comment says and add edges.
8862
8863 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
8864
8865         PR c/35435
8866         * c-common.c (handle_tls_model_attribute): Ignore attribute for
8867         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
8868
8869 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
8870
8871         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
8872         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
8873         register_bb_in_sese, new_sese, free_sese): Moved.
8874         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
8875         outermost_loop_in_scop, build_scop_iteration_domain,
8876         expand_scalar_variables_ssa_name, get_vdef_before_scop,
8877         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
8878         Use loop_in_sese_p instead of loop_in_scop_p.
8879         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
8880         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
8881         (scopdet_basic_block_info): Fix bug in scop detection.
8882         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
8883         eq_loop_to_cloog_loop): Remove.
8884         (nb_loops_around_loop_in_scop, nb_loop
8885         ref_nb_loops): Moved here...
8886         * graphite.h (ref_nb_loops): ... from here.
8887         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
8888         (loop_domain_dim, loop_iteration_vector_dim): Remove.
8889         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
8890         * testsuite/gcc.dg/graphite/scop-19.c: New
8891
8892 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
8893             Hans-Peter Nilsson  <hp@axis.com>
8894
8895         PR rtl-optimization/37889
8896         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
8897         Move offset handling from PLUS to before the switch.  Use new
8898         arguments when considering SYMBOL_REFs too.
8899         (rtx_addr_can_trap_p): Pass dummy offset and size.
8900         (enum may_trap_p_flags): Remove.
8901         (may_trap_p_1): Pass size from MEM_SIZE.
8902
8903         PR rtl-optimization/38921
8904         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
8905         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
8906         * rtlanal.c (may_trap_after_code_motion_p): Delete.
8907         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
8908
8909 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
8910
8911         AVX Programming Reference (January, 2009)
8912         * config/i386/sse.md (*vpclmulqdq): New.
8913
8914 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
8915
8916         PR tree-optimization/38977
8917         PR gcov-profile/38292
8918         * calls.c (special_function_p): Disregard __builtin_ prefix.
8919
8920 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
8921
8922         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
8923         non-indexable addresses even before reload.
8924
8925 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
8926
8927         PR c/29129
8928         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
8929         as having variable size.  Do not give an error for unnamed
8930         parameters with [*] declarators.  Give a warning for type names
8931         with [*] declarators and mark them as variable size.
8932         * c-parser.c (c_parser_sizeof_expression): Do not give an error
8933         for sizeof applied to [*] type names.
8934
8935 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8936
8937         PR C++/36607
8938         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
8939
8940 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
8941
8942         * gcc.c (process_command): Update copyright notice dates.
8943         * gcov.c (print_version): Likewise.
8944         * gcov-dump.c (print_version): Likewise.
8945         * mips-tfile.c (main): Likewise.
8946         * mips-tdump.c (main): Likewise.
8947
8948 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
8949
8950         PR c/35433
8951         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
8952         for composite type involving a zero-length array type.
8953
8954 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
8955
8956         PR target/35318
8957         * function.c (match_asm_constraints_1): Skip over
8958         initial optional % in the constraint.
8959
8960         PR inline-asm/39059
8961         * c-parser.c (c_parser_postfix_expression): If fixed point is not
8962         supported, don't accept FIXED_CSTs.
8963         * c-decl.c (finish_declspecs): Error if fixed point is not supported
8964         and _Sat is used without _Fract/_Accum.  Set specs->type to
8965         integer_type_node for cts_fract/cts_accum if fixed point is not
8966         supported.
8967
8968 2009-02-02  Catherine Moore  <clm@codesourcery.com>
8969
8970         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
8971
8972 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
8973
8974         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
8975         (ABI_HAS_64BIT_SYMBOLS): Use it.
8976         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
8977
8978 2009-02-02  Paul Brook  <paul@codesourcery.com>
8979
8980         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
8981
8982 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
8983
8984         PR inline-asm/39058
8985         * recog.h (asm_operand_ok): Add constraints argument.
8986         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
8987         recurse on matching constraint.
8988         (check_asm_operands): Pass constraints as 3rd argument to
8989         asm_operand_ok.  Don't look up matching constraint here.
8990         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
8991         to asm_operand_ok.
8992
8993 2009-02-02  Ben Elliston  <bje@au.ibm.com>
8994
8995         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
8996         TARGET_NARROW_VOLATILE_BITFIELD macro names.
8997
8998 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8999
9000         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
9001         information.  Remove some obsolete information.  Reorganize.
9002
9003         * config/pa/fptr.c: Revert license to GPL 2.
9004         * config/pa/milli64.S: Likewise.
9005
9006 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9007
9008         PR target/38904
9009         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
9010         LIBRARY name in, instead of hard-coding it.
9011         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
9012         extra target make frag to tmake_files according to EH model.
9013         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
9014         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
9015         frags that define makefile variable EH_MODEL appropriately.
9016         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
9017         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
9018         to "-sjlj" according to type of EH configured.
9019         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9020         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
9021         to "_sjlj" according to type of EH configured.
9022         (LIBGCC_SONAME):  Concatenate it to shared library base name.
9023         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
9024         (SHLIB_LINK):  Add missing semicolon to if-else construct.
9025         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9026         string value of "pe_dll" command-line option.
9027         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
9028         (SHLIB_SONAME):  Use it when overriding t-cygming default.
9029         (SHLIB_IMPLIB):  Override t-cygming default.
9030         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
9031         string value of "pe_dll" command-line option.
9032
9033 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
9034
9035         PR target/38952
9036         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
9037         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
9038
9039 2009-01-31  Richard Guenther  <rguenther@suse.de>
9040
9041         PR tree-optimization/38937
9042         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
9043         computing the transitive closure.
9044
9045 2009-01-30  Richard Guenther  <rguenther@suse.de>
9046
9047         PR tree-optimization/39041
9048         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
9049         Propagate variable indices only if the types match for this stmt.
9050
9051 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
9052
9053         PR target/39013
9054         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
9055         inline but never defined.
9056
9057 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
9058
9059         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
9060         (*insv_h_di_reg_extimm): New insn.
9061         (*insv_l<mode>_reg_extimm): New insn.
9062
9063 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9064
9065         * config/picochip/picochip.c (flag_conserve_stack): set
9066         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
9067         fconserve-stack. Reduce call-overhead used by inliner.
9068
9069 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
9070
9071         PR/38157
9072         * common.opt (flag_conserve_stack): Initialised to zero.
9073
9074 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
9075
9076         PR/39002
9077         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
9078         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
9079         method.
9080
9081 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
9082
9083         * ira-color.c (allocno_reload_assign): Update comments.
9084         * regmove.c (regmove_optimize): Likewise.
9085
9086         * ra.h: Removed.
9087
9088 2009-01-29  Robert Millan  <rmh@aybabtu.com>
9089
9090         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
9091         * config/i386/kopensolaris-gnu.h: New file.  Undefine
9092         `MD_UNWIND_SUPPORT'.
9093         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
9094
9095 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
9096
9097         PR tree-optimization/39007
9098         * tree-loop-distribution.c (generate_builtin): Use
9099         recompute_dominator to compute the immediate dominator of the
9100         basic block just after the loop.
9101
9102 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9103
9104         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
9105         (ASM_OUTPUT_DWARF_PCREL): Define.
9106
9107 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
9108
9109         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
9110         * doc/passes.texi: Remove entries about regclass, local-alloc, and
9111         global.  Modify entries about regmove and IRA.
9112
9113         * ra-conflict.c: Remove the file.
9114
9115         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
9116
9117         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
9118         (pass_regclass_init): Rename to pass_reginfo_init.
9119
9120         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
9121
9122         * toplev.h (flag_ira): Remove.
9123
9124         * caller-save.c (setup_save_areas): Remove flag_ira.
9125
9126         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
9127
9128         * global.c: Remove the file.
9129
9130         * opts.c (decode_options): Remove flag_ira.
9131
9132         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
9133
9134         * regmove.c: Modify file description.
9135         (find_use_as_address, try_auto_increment): Define them only if
9136         AUTO_INC_DEC is defined.
9137         (replacement_quality, replace_in_call_usage, fixup_match_1,
9138         stable_and_no_regs_but_for_p): Remove.
9139         (reg_set_in_bb): Make it static.
9140         (regmove_optimize): Remove flag_ira and code which worked for
9141         !flag_ira.
9142
9143         * local-alloc.c: Remove the file.
9144
9145         * common.opt (fira): Remove.
9146
9147         * ira.c: Include except.h.
9148         (eliminable_regset): Move from global.c.
9149         (mark_elimination): Ditto.  Remove flag_ira.
9150         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
9151         equiv_mem_modified, validate_equiv_mem_from_store,
9152         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
9153         contains_replace_regs, memref_referenced_p, memref_used_between_p,
9154         no_equiv, recorded_label_ref): Move from local-alloc.c.
9155         (update_equiv_regs): Ditto.  Make it static.
9156         (print_insn_chain, print_insn_chains): Move it from global.c.
9157         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
9158         (build_insn_chain): Ditto.  Make it static.
9159         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
9160         Rename to init_live_subregs.
9161         (gate_ira): Remove flag_ira.
9162
9163         * regclass.c: Rename reginfo.c.  Change file description.
9164         (FORBIDDEN_INC_DEC_CLASSES): Remove.
9165         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
9166         (init_reg_sets_1): Remove code for evaluation of
9167         reg_class_superclasses and losing_caller_save_reg_set.
9168         (init_regs): Remove init_reg_autoinc.
9169         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
9170         ok_for_base_p_nonstrict): Remove.
9171         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
9172         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
9173         corresponding entries.
9174         (dump_regclass, record_operand_costs, scan_one_insn,
9175         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
9176         record_address_regs, auto_inc_dec_reg_p): Remove.
9177         (gt-regclass.h): Rename to gt-reginfo.h.
9178
9179         * rtl.h (dump_global_regs, retry_global_alloc,
9180         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
9181
9182         * Makefile.in (RA_H): Remove.
9183         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
9184         Rename regclass.o to reginfo.o.
9185         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
9186         gt-reginfo.h.
9187         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
9188         (GTFILES): Rename regclass.c to reginfo.c.
9189
9190         * passes.c (init_optimization_passes): Remove pass_local_alloc and
9191         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
9192
9193         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
9194         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
9195         Remove flag_ira.
9196         (finish_spills): Ditto.  Remove code for !flag_ira.
9197
9198 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
9199
9200         PR middle-end/35854
9201         * doc/invoke.texi (rtl debug options): Complete rewrite.
9202         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
9203         to auto_inc_dec".
9204         * mode-switching.c (pass_mode_switching): Rename pass from
9205         "mode-sw" to "mode_sw".
9206         * except.c (pass_convert_to_eh_ranges): Rename pass from
9207         "eh-ranges" to "eh_ranges".
9208         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
9209         to "subreg1".
9210
9211
9212 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
9213             Alexander Monakov  <amonakov@ispras.ru>
9214
9215         PR middle-end/38857
9216         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
9217         register.
9218         (move_exprs_to_boundary): Change return type and pass through
9219         should_move from move_op.  Relax assert.  Update usage ...
9220         (schedule_expr_on_boundary): ... here.  Use should_move instead of
9221         cant_move.
9222         (move_op_orig_expr_found): Indicate that insn was disconnected from
9223         stream.
9224         (code_motion_process_successors): Do not call after_merge_succs
9225         callback if original expression was not found when traversing any of
9226         the branches.
9227         (code_motion_path_driver): Change return type.  Update prototype.
9228         (move_op): Update comment.  Add a new parameter (should_move).  Update
9229         prototype.  Set *should_move based on indication provided by
9230         move_op_orig_expr_found.
9231
9232 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
9233
9234         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
9235         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
9236         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
9237         * config/rs6000/rs6000.c (rs6000_override_options): Default
9238         avoid-indexed-addresses on for Power6, off for everything else.
9239         (avoiding_indexed_address_p): New function.
9240         (rs6000_legitimize_address): Use it.
9241         (rs6000_legitimate_address): Likewise.
9242         * config/rs6000/rs6000.md (movXX_updateX): Likewise
9243
9244 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
9245
9246         PR tree-optimization/38997
9247         * tree-loop-distribution.c (generate_memset_zero): Use
9248         POINTER_PLUS_EXPR for a pointer addition.
9249
9250 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9251
9252         * config/s390/s390.md (bswap<mode>2): New pattern added.
9253
9254 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9255
9256         * config/s390/s390.md (*tls_load_31): Added type attribute.
9257
9258 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9259
9260         * config/s390/s390.md: Fix a few comments.
9261
9262 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
9263
9264         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
9265         (*tm<mode>_full): Fixed z10prop attribute.
9266         (*tst<mode>_extimm): Fixed z10prop attribute.
9267         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
9268         (*tstqiCCT_cconly): Fixed z10prop attribute.
9269         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
9270         (*movsi_larl): Fixed z10prop attribute.
9271         (*movsi_zarch): Fixed z10prop attribute.
9272         (*movsi_eas): Fixed z10prop attribute.
9273         (*movhi): Fixed z10prop attribute.
9274         (*movqi): Fixed z10prop attribute.
9275         (*movstrictqi): Fixed z10prop attribute.
9276         (*mov<mode>): Fixed z10prop attribute.
9277         (*movcc): Fixed z10prop attribute.
9278         (*sethighpartdi_64): Fixed z10prop attribute.
9279         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
9280         (*negdi2_sign_cc): Fixed z10prop attribute.
9281         (*negdi2_sign): Fixed z10prop attribute.
9282         (*absdi2_sign_cc): Fixed z10prop attribute.
9283         (*absdi2_sign): Fixed z10prop attribute.
9284         (*negabsdi2_sign_cc): Fixed z10prop attribute.
9285         (*negabsdi2_sign): Fixed z10prop attribute.
9286         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
9287         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
9288         (doloop_si64): Fixed z10prop attribute.
9289         (doloop_si31): Fixed z10prop attribute.
9290         (doloop_long): Fixed z10prop attribute.
9291         (indirect_jump): Fixed z10prop attribute.
9292         (nop): Fixed z10prop attribute.
9293         (main_base_64): Fixed z10prop attribute.
9294         (reload_base_64): Fixed z10prop attribute.
9295
9296 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9297
9298         PR rtl-optimization/38740
9299         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
9300         if !optimize.
9301         * config/mips/mips.c (mips_reorg): Likewise.
9302
9303 2009-01-28  Richard Guenther  <rguenther@suse.de>
9304
9305         PR tree-optimization/38926
9306         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
9307         with the correct value id to a value.
9308         (do_regular_insertion): Use the value number of edoubleprime
9309         for the value number of the expr.
9310
9311         Revert
9312         2008-08-21  Richard Guenther  <rguenther@suse.de>
9313
9314         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
9315         a PHI ask VN if it is already available.
9316         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
9317         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
9318
9319 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
9320
9321         PR middle-end/38934
9322         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
9323         set to varying whenever max has TREE_OVERFLOW set, similarly
9324         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
9325
9326 2009-01-28  Richard Guenther  <rguenther@suse.de>
9327
9328         PR middle-end/38908
9329         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
9330         uninitialized aggregate uses in call arguments.
9331
9332 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
9333
9334         PR tree-optimization/38984
9335         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
9336         the nothing_id variable if -fno-delete-null-pointer-checks.
9337
9338 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
9339
9340         PR target/38988
9341         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
9342         (set_got_offset_rex64): Ditto.
9343
9344 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
9345
9346         PR target/38941
9347         * doc/extend.texi: Improve local variable with asm reg.
9348
9349 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
9350
9351         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
9352         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
9353         was not supplied then set warn_packed_bitfield_compat to the
9354         default value of 1.
9355         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
9356         against 1.
9357
9358 2009-01-27  Richard Guenther  <rguenther@suse.de>
9359
9360         PR tree-optimization/38503
9361         * cfgexpand.c (expand_gimple_basic_block): Ignore
9362         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
9363         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
9364         variables that cannot have TBAA applied.
9365         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
9366         statements.
9367
9368 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
9369
9370         PR middle-end/38969
9371         * calls.c (initialize_argument_information): Do not wrap complex
9372         arguments in SAVE_EXPR.
9373
9374 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
9375
9376         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
9377         (INSTALL_LIBGCC): Revert typo commit.
9378
9379 2009-01-26  Richard Guenther  <rguenther@suse.de>
9380
9381         PR tree-optimization/38745
9382         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
9383         from special handling.
9384
9385 2009-01-26  Richard Guenther  <rguenther@suse.de>
9386
9387         PR tree-optimization/38745
9388         * tree-ssa.c (execute_update_addresses_taken): Do not include
9389         variables that cannot possibly be a register in not_reg_needs.
9390         Do not clear TREE_ADDRESSABLE on vars that may not become
9391         registers.
9392         * tree-ssa.c (update_alias_info_1): Include those in the set
9393         of addressable vars.
9394
9395 2009-01-26  Richard Guenther  <rguenther@suse.de>
9396
9397         PR middle-end/38851
9398         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
9399         * tree-ssa-dse.c: Include langhooks.h
9400         (execute_simple_dse): Remove stores with zero size.
9401
9402 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
9403
9404         PR c/38957
9405         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
9406         as PLUS_EXPR.
9407
9408 2009-01-24  Julian Brown  <julian@codesourcery.com>
9409
9410         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
9411         config/arm/linux-atomic.c.
9412         * config/arm/linux-atomic.c: New.
9413
9414 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
9415
9416         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
9417         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
9418         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
9419
9420 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9421
9422         PR c/38938
9423         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
9424         properly.
9425
9426 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
9427
9428         PR tree-optimization/38953
9429         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
9430         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
9431         (gloog): Split the exit of the scop when the scop exit is a loop exit.
9432         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
9433         changed the CFG.
9434
9435 2009-01-24  Paul Brook  <paul@codesourcery.com>
9436
9437         * config/arm/neon.md (neon_type): Move to arm.md.
9438         (neon_mov<VSTRUCT>): Add neon_type attribute.
9439         * config/arm/arm.md (neon_type): Move to here.
9440         (conds): Add "unconditioal" and use as default for NEON insns.
9441
9442 2009-01-24  Ben Elliston  <bje@au.ibm.com>
9443
9444         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
9445         void *' warning from -Wc++-compat.
9446         * Makefile.in (dominance.o-warn): Remove.
9447
9448 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
9449
9450         PR tree-optimization/38932
9451         * fold-const.c (fold_unary_ignore_overflow): New.
9452         * tree.h (fold_unary_ignore_overflow): Declare.
9453         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
9454         * tree-ssa-sccvn.c (visit_reference_op_load,
9455         simplify_unary_expression): Likewise.
9456
9457 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
9458
9459         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
9460         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
9461         regardless of their type.
9462         * c-common.c (handle_packed_attribute): Don't ignore packed on
9463         bitfields.
9464         * c.opt (Wpacked-bitfield-compat): New warning option.
9465         * stor-layout.c (place_field): Warn if offset of a field changed.
9466         * doc/extend.texi (packed): Mention the ABI change.
9467         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
9468         (Warning Options): Add it to the list.
9469
9470 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9471
9472         * c-opts.c (c_common_post_options): Fix a typo in comments.
9473
9474 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
9475
9476         PR middle-end/38615
9477         * gimplify.c (gimplify_init_constructor): Fix promotion of const
9478         variables to static.
9479         * doc/invoke.texi (-fmerge-all-constants): Update description.
9480
9481 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
9482
9483         PR target/38931
9484         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
9485         (*movdi_1_rex64): Use type "mmx" for alternative 5.
9486
9487 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
9488
9489         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
9490         a word boundary.
9491         (LOCAL_ALIGNMENT): Similarly.
9492
9493 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9494             Joseph Myers  <joseph@codesourcery.com>
9495
9496         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
9497         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
9498         * config/arm/arm-tune.md: Regenerate.
9499         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
9500         -march=iwmmxt2.
9501
9502 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
9503
9504         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
9505         version number to five.
9506
9507 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
9508
9509         PR c++/38930
9510         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
9511         * c-common.c (set_underlying_type): Likewise.
9512         (is_typedef_decl ): Likewise
9513         * tree.h: Likewise
9514         (set_underlying_type): Likewise.
9515         (is_typedef_type): Likewise.
9516
9517 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9518
9519         PR middle-end/38587
9520         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
9521         crossing setjmps.
9522
9523 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9524
9525         PR bootstrap/37660
9526         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
9527         (LIBGCC_SPEC):  Don't define.
9528         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
9529
9530 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
9531
9532         PR rtl-optimization/38879
9533         * alias.c (base_alias_check): Unaligned access via AND address can
9534         alias all surrounding object types except those with sizes equal
9535         or wider than the size of unaligned access.
9536
9537 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
9538
9539         PR c++/26693
9540         * c-decl.c (clone_underlying_type): Move this ...
9541         * c-common.c (set_underlying_type): ... here.
9542         Also, make sure the function properly sets TYPE_STUB_DECL() on
9543         the newly created typedef variant type.
9544         (is_typedef_decl ): New entry point.
9545         * tree.h: Added a new member member_types_needing_access_check to
9546         struct tree_decl_non_common.
9547         (set_underlying_type): New entry point.
9548         (is_typedef_type): Likewise.
9549
9550 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
9551
9552         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
9553         Check whether two instructions have memory references that
9554         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
9555         are helper functions for traversing.
9556         * alias.h (insn_alias_sets_confilict_p): New prototypes.
9557         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
9558         not to draw dependency edge for instructions with non-conflicting
9559         alias sets.
9560
9561 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
9562
9563         PR other/38758
9564         * longlong.h: Update copyright years.  Use soft-fp license notice.
9565         Sync __clz_tab declaration with glibc.
9566
9567 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
9568
9569         PR target/30687
9570         * doc/extend.texi (syscall_linkage): New.
9571         (version_id): Modify.
9572
9573 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9574             Richard Guenther  <rguenther@suse.de>
9575
9576         PR tree-optimization/38747
9577         PR tree-optimization/38748
9578         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
9579         conversion if the base address is an indirect reference and the
9580         aliasing sets could cause issues.
9581
9582 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9583
9584         * common.opt (fgraphite, fgraphite-identity): Add comment for
9585         explaining why these options are not documented.
9586
9587 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
9588
9589         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
9590         gimple_call_lhs is NULL.
9591
9592 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
9593
9594         PR target/38868
9595         * emit-rtl.c (adjust_address_1): Make sure memref is never
9596         overwritten.
9597
9598 2009-01-20  Ben Elliston  <bje@au.ibm.com>
9599
9600         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9601         const qualifier from arg parameter. Remove unnecessary cast to char *.
9602         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
9603         const qualifier from arg 2.
9604
9605 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
9606
9607         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
9608
9609 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
9610
9611         PR c/38869
9612         * rtl.h (reinit_regs): New prototype.
9613         * regclass.c: Include ira.h.
9614         (reinit_regs): New.
9615         * Makefile.in (regclass.o): Add ira.h.
9616         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
9617
9618 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
9619
9620         PR target/38736
9621         * c-common.c (handle_aligned_attribute): Use
9622         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
9623         default alignment value.
9624
9625         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
9626
9627         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
9628         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
9629
9630         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
9631         __BIGGEST_ALIGNMENT__.
9632
9633         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
9634
9635 2009-01-18  Richard Guenther  <rguenther@suse.de>
9636
9637         PR tree-optimization/38819
9638         * tree-flow.h (operation_could_trap_helper_p): Declare.
9639         * tree-eh.c (operation_could_trap_helper_p): Export.
9640         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
9641         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
9642         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
9643         are about to insert a possibly trapping instruction and fail
9644         in this case.
9645
9646 2009-01-18  Andreas Schwab  <schwab@suse.de>
9647
9648         * doc/install.texi (Configuration): Remove obsolete paragraph
9649         about use of --with-gnu-ld with --with-gnu-as.
9650
9651 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
9652
9653         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
9654         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
9655         Follow spelling conventions.
9656
9657 2009-01-18  Ben Elliston  <bje@au.ibm.com>
9658
9659         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
9660         C++ warning about implicit conversion from void * to struct
9661         bitmap_head_def *.
9662         (bitmap_obstack_free): Likewise for bitmap_element *.
9663         * Makefile.in (bitmap.o-warn): Remove.
9664
9665 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
9666
9667         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
9668
9669 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
9670             Tobias Grosser  <tobi.grosser@amd.com>
9671
9672         * graphite.c (graphite_trans_scop_block): Do not block single
9673         nested loops.
9674
9675 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
9676
9677         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
9678         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
9679         test with assertion.
9680
9681 2009-01-16  Richard Guenther  <rguenther@suse.de>
9682
9683         PR tree-optimization/38835
9684         PR middle-end/36227
9685         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
9686         and INT + PTR -> (INT)(PTR p+ INT) folding.
9687         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
9688
9689 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
9690
9691         PR target/38554
9692         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
9693         the subreg from a lowpart subreg if it is also casting the value.
9694
9695 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9696             Tobias Grosser  <tobi.grosser@amd.com>
9697
9698         * graphite.c (compare_prefix_loops): New.
9699         (build_scop_canonical_schedules): Rewritten.
9700         (graphite_transform_loops): Move build_scop_canonical_schedules
9701         after build_scop_iteration_domain.
9702
9703 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9704             Tobias Grosser  <tobi.grosser@amd.com>
9705
9706         * graphite.c (add_conditions_to_domain): Add the loops to
9707         the dimension of the iteration domain.  Do copy the domain
9708         only when it exists.
9709         (build_scop_conditions_1): Do not call add_conditions_to_domain.
9710         (add_conditions_to_constraints): New.
9711         (can_generate_code_stmt, can_generate_code): Removed.
9712         (gloog): Do not call can_generate_code.
9713         (graphite_transform_loops): Call add_conditions_to_constraints
9714         after building the iteration domain.
9715
9716 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
9717
9718         PR tree-optimization/38789
9719         * tree-ssa-threadedge.c
9720         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
9721         __builtin_constant_p.
9722
9723 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
9724
9725         * dce.c (delete_unmarked_insns): Reversed the order that insns are
9726         examined before deleting them.
9727
9728 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
9729
9730         * function.c (aggregate_value_p): Correctly extract the function
9731         type from CALL_EXPR_FN lookup.
9732
9733 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9734
9735         * config/picochip/picochip.c (picochip_override_options): Revert
9736         CFI asm flag disable commited previously.
9737
9738 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9739             Tobias Grosser  <tobi.grosser@amd.com>
9740             Jan Sjodin  <jan.sjodin@amd.com>
9741
9742         * graphite.c (scan_tree_for_params): On substractions negate
9743         all the coefficients of the term.
9744         (clast_to_gcc_expression_red): New.  Handle reduction expressions
9745         of more than two operands.
9746         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
9747         (get_vdef_before_scop): Handle also the case of default definitions.
9748
9749 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
9750
9751         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
9752         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
9753         Also use them when walking CALL_INSN_FUNCTION_USAGE.
9754
9755 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
9756             Joey Ye  <joey.ye@intel.com>
9757
9758         PR middle-end/37843
9759         * cfgexpand.c (expand_stack_alignment): Don't update stack
9760         boundary nor check incoming stack boundary here.
9761         (gimple_expand_cfg): Update stack boundary and check incoming
9762         stack boundary here.
9763
9764 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
9765
9766         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
9767
9768 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
9769
9770         PR rtl-optimization/38245
9771         * calls.c (expand_call): Add stack arguments to
9772         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9773         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
9774         in regs and partially in memory or BLKmode arguments.
9775         (emit_library_call_value_1): Add stack arguments to
9776         CALL_INSN_FUNCTION_USAGE even for pure calls (when
9777         ACCUMULATE_OUTGOING_ARGS).
9778         * dce.c: Include tm_p.h.
9779         (find_call_stack_args): New function.
9780         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
9781         argument.
9782         (mark_insn): Call find_call_stack_args for CALL_Ps.
9783         (prescan_insns_for_dce): Walk insns backwards in bb rather than
9784         forwards.  Allocate and free arg_stores bitmap if needed, pass it
9785         down to deletable_insn_p, don't mark stores set in arg_stores
9786         bitmap, clear the bitmap at the beginning of each bb.
9787         * Makefile.in (dce.o): Depend on $(TM_P_H).
9788
9789 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
9790
9791         PR target/22599
9792         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
9793         to make sure the insn is a conditional test (bug 22599).  Reformat a
9794         few long lines.
9795
9796 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
9797
9798         PR middle-end/38431
9799         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
9800         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
9801         (gloog): Do not call cleanup_tree_cfg.
9802         (graphite_transform_loops): Call cleanup_tree_cfg after all
9803         scops have been code generated.
9804
9805 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
9806         * doc/gty.texi (Invoking the garbage collector): Added new node
9807         and section documenting ggc_collect.
9808
9809 2009-01-14  Richard Guenther  <rguenther@suse.de>
9810
9811         PR tree-optimization/38826
9812         PR middle-end/38477
9813         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
9814         initialization notes only if we actually emitted a warning.
9815         (intra_create_variable_infos): Add constraints for a result decl
9816         that is passed by hidden reference.
9817         (build_pred_graph): Mark all related variables non-direct on
9818         address-taking.
9819
9820 2009-01-14  Nick Clifton  <nickc@redhat.com>
9821
9822         * ira-conflicts.c: Include addresses.h for the definition of
9823         base_reg_class.
9824         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
9825         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
9826
9827 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
9828
9829         PR target/38811
9830         * Makefile.in (ira-lives.o): Add except.h.
9831
9832         * ira-lives.c: Include except.h.
9833         (process_bb_node_lives): Process can_throw_internal.
9834
9835 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
9836
9837         PR rtl-optimization/38774
9838         * combine.c (simplify_set): When undoing cc_use change, don't do
9839         PUT_CODE on the newly created comparison, but instead put back the
9840         old comparison.
9841
9842 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
9843
9844         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
9845         values.  Remove duplicate arm8 entry.
9846
9847 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
9848
9849         PR tree-optimization/38786
9850         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
9851         the SSA_NAME case of expand_scalar_variables_expr.
9852         Set the type of an expression to the type of its assign statement.
9853         (expand_scalar_variables_expr): Also gather the scalar computation
9854         used to index the memory access.  Do not pass loop_p.
9855         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
9856         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
9857         the gimple_stmt_iterator where it inserts new code.
9858         Do not pass loop_p.
9859         (copy_bb_and_scalar_dependences): Do not pass loop_p.
9860         (translate_clast): Update call to copy_bb_and_scalar_dependences.
9861
9862 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
9863
9864         * graphite.h (debug_value): Removed.
9865         * graphite.c (debug_value): Removed.
9866
9867 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
9868
9869         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
9870         ldrd/strd with two 32-bit instructions.
9871
9872 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
9873
9874         * config/arm/arm.c (struct processors): Pass for speed down into
9875         cost helper functions.
9876         (const_ok_for_op): Handle COMPARE and inequality nodes.
9877         (arm_rtx_costs_1): Rewrite.
9878         (arm_size_rtx_costs): Update prototype.
9879         (arm_rtx_costs): Pass speed down to helper functions.
9880         (arm_slowmul_rtx_costs): Rework cost calculations.
9881         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
9882         (arm_9e_rtx_costs): Likewise.
9883
9884 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
9885
9886         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
9887         relocations of local symbols wider than UNITS_PER_WORD are not valid.
9888         (alpha_legitimize_address): Do not split local symbols wider than
9889         UNITS_PER_WORD into HIGH/LO_SUM parts.
9890
9891 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
9892
9893         PR bootstrap/38580
9894         * gcc.c (process_command): Replace call to execvp with calls
9895         to pex_one and exit.
9896
9897 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
9898
9899         PR target/29141
9900         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
9901         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
9902         variant for devices with 3-byte PC.
9903         (__tablejump_elpm__): New.
9904
9905 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
9906
9907         PR c/32041
9908         * c-parser.c (c_parser_postfix_expression): Allow `->' in
9909         offsetof member-designator, handle it as `[0].'.
9910
9911 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9912
9913         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
9914         function when not using named sections on targets with named sections
9915         if branch distance is less than 262132.
9916
9917 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
9918
9919         * combine.c (combine_instructions):  Recompute
9920         optimize_this_for_speed_p  for each BB in the main combine loop.
9921
9922 2009-01-12  Tomas Bily  <tbily@suse.cz>
9923
9924         PR middlend/38385
9925         * tree-loop-distribution.c (prop_phis): New function.
9926         (generate_builtin): Call prop_phis.
9927         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
9928
9929 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
9930
9931         PR tree-optimization/38807
9932         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
9933         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
9934
9935 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
9936
9937         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
9938         subreg of op0 to the original op0.
9939
9940 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
9941
9942         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
9943
9944 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
9945
9946         PR debug/7055
9947         * mips-tfile.c (parse_def): Fix parsing of def strings
9948         starting with digits.
9949
9950 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
9951
9952         PR target/38695
9953         * config/arm/arm.c (arm_is_long_call_p): Don't call
9954         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
9955
9956 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
9957
9958         * regrename.c (regrename_optimize): Fix dumping.
9959         (find_oldest_value_reg): Preserve REG_POINTER.
9960         (copy_hardreg_forward_1): Likewise.
9961
9962 2009-01-09  Diego Novillo  <dnovillo@google.com>
9963
9964         * gimple.h (struct gimple_statement_base) <uid>: Document
9965         the restrictions on its use.
9966         (gimple_uid): Tidy.
9967         (gimple_set_uid): Tidy.
9968
9969 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9970
9971         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
9972         zero guard even if align_bytes != 0 and count is smaller than
9973         size_needed.
9974
9975 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
9976
9977         PR rtl-optimization/38495
9978         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
9979         (add_range_and_copies_from_move_list): Print all added ranges.
9980         Add ranges to memory optimized destination.
9981
9982 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
9983
9984         PR target/38686
9985         PR target/38708
9986         * config/i386/i386.c (override_options): Reject
9987         -mstringop-strategy=rep_8byte with -m32.
9988         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
9989         to 1.  Do count comparison against epilogue_size_needed at compile
9990         time even when count_exp was constant forced into register.  For
9991         size_needed don't jump to epilogue, instead just avoid aligning
9992         and invoke the body algorithm.  If need_zero_guard, add zero guard
9993         even if count is non-zero, but smaller than size_needed + number of
9994         bytes that could be stored for alignment.
9995         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
9996         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
9997         but smaller than size_needed + number of bytes that could be stored
9998         for alignment.  Compare size_needed with epilogue_size_needed instead
9999         of desired_align - align, don't adjust size_needed, pass
10000         epilogue_size_needed to the epilogue expanders.
10001
10002         PR c/35742
10003         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
10004
10005 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10006
10007         * pa.c (last_address): Change to unsigned.
10008         (update_total_code_bytes): Change argument to unsigned.  Don't
10009         check if insn addresses are set.
10010         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
10011         addresses are not set.
10012         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
10013
10014 2009-01-09  Nick Clifton  <nickc@redhat.com>
10015
10016         * config/sh/symbian.c: Replace uses of DECL_INLINE with
10017         DECL_DECLARED_INLINE_P.
10018
10019 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
10020
10021         PR middle-end/38347
10022         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
10023         GET_MODE (op0) in operand_subword_force calls.
10024
10025         PR middle-end/38771
10026         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
10027         fold_convert arg0 operands to TREE_TYPE (op0) first.
10028
10029 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
10030
10031         * params.def (ira-max-conflict-table-size): Decrease default value
10032         to 1000.
10033
10034 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
10035
10036         PR tree-optimization/37031
10037         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
10038         on parameter_set.
10039         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
10040         allocate it using gc instead of heap, use VEC_quick_push instead of
10041         VEC_safe_push.
10042         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
10043         instead of heap, use VEC_quick_push instead of VEC_safe_push.
10044         * tree-data-ref.h (struct access_matrix): Change matrix to gc
10045         allocated vector from heap allocated.
10046         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
10047         * tree-loop-linear.c (linear_transform_loops): Allocate nest
10048         vector only after perfect_loop_nest_depth call.
10049
10050 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
10051             Jan Sjodin  <jan.sjodin@amd.com>
10052
10053         PR tree-optimization/38559
10054         * graphite.c (debug_value, copy_constraint,
10055         swap_constraint_variables, scale_constraint_variable, ): New.
10056         (get_lower_bound, get_upper_bound): Removed.
10057         (graphite_trans_bb_strip_mine): Clean up this code that works
10058         only for constant number of iterations.  Fully copy upper and
10059         lower bound constraints, not only the constant part of them.
10060         * graphite.h (debug_value): Declared.
10061
10062 2009-01-08  Ira Rosen  <irar@il.ibm.com>
10063
10064         PR tree-optimization/37194
10065         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
10066         Don't add the cost of cost model guard in prologue to scalar
10067         outside cost in case of known number of iterations.
10068
10069 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10070             Alan Modra  <amodra@bigpond.net.au>
10071
10072         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
10073         non-word-aligned REG+CONST addressing.
10074
10075 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10076
10077         PR target/38706
10078         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
10079         free_after_compilation when outputting a thunk.
10080         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
10081         Do not call free_after_compilation here.
10082
10083 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
10084
10085         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
10086         (ix86_valid_target_attribute_inner_p): Ditto.
10087
10088 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
10089
10090         PR tree-optimization/38492
10091         PR tree-optimization/38498
10092         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
10093         * tree-chrec.h (scev_is_linear_expression): Declared.
10094         * graphite.c (graphite_cannot_represent_loop_niter): New.
10095         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
10096         (graphite_loop_normal_form): Use gcc_assert.
10097         (scan_tree_for_params): Use CASE_CONVERT.
10098         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
10099         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
10100         Use gcc_assert.  Discard scops that contain unhandled cases.
10101         (build_scop_conditions): Return a boolean status for unhandled cases.
10102         (strip_mine_profitable_p): Print the loop number, not its depth.
10103         (is_interchange_valid): Pass the depth of the loop nest, don't
10104         recompute it wrongly.
10105         (graphite_trans_bb_block): Same.
10106         (graphite_trans_bb_block): Print tentative of loop blocking.
10107         (graphite_trans_scop_block): Do not print that the loop has been
10108         blocked.
10109         (graphite_transform_loops): Do not handle scops that contain condition
10110         scalar phi nodes.
10111
10112 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
10113
10114         AVX Programming Reference (December, 2008)
10115         * config/i386/avxintrin.h (_mm256_stream_si256): New.
10116         (_mm256_stream_pd): Likewise.
10117         (_mm256_stream_ps): Likewise.
10118
10119         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
10120         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
10121         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
10122         (bdesc_special_args): Add __builtin_ia32_movntdq256,
10123         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
10124         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
10125         (ix86_expand_special_args_builtin): Likewise.
10126
10127         * config/i386/sse.md (AVXMODEDI): New.
10128         (avx_movnt<mode>): Likewise.
10129         (avx_movnt<mode>): Likewise.
10130         (<sse>_movnt<mode>): Remove AVX support.
10131         (sse2_movntv2di): Likewise.
10132
10133 2009-01-07  Richard Guenther  <rguenther@suse.de>
10134
10135         PR middle-end/38751
10136         * fold-const.c (extract_muldiv): Remove obsolete comment.
10137         (fold_plusminus_mult_expr): Undo MINUS_EXPR
10138         to PLUS_EXPR canonicalization for the canonicalization.
10139
10140 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
10141
10142         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
10143         hosted cross-compilers generating less efficient code.
10144
10145 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10146
10147         * function.h (rtl_data): Add a dbr_scheduled_p field.
10148         * reorg.c (dbr_schedule): Set it.
10149         (gate_handle_delay_slots): Check it.
10150         * config/mips/mips.c (mips_base_delayed_branch): Delete.
10151         (mips_reorg): Check flag_delayed_branch instead of
10152         mips_base_delayed_branch.
10153         (mips_override_options): Don't set mips_base_delayed_branch
10154         or flag_delayed_branch.
10155
10156 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
10157
10158         PR rtl-optimization/38426.
10159         * ira.c (ira): Set current_function_is_leaf earlier.
10160
10161 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
10162
10163         PR rtl-optimization/38722
10164         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
10165         too early, only set a flag and modify after last possible
10166         undo_all point.
10167
10168 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
10169
10170         PR c/34252
10171         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
10172         * real.c (decimal_single_format): Correct values of emin and emax.
10173         (decimal_double_format): Ditto.
10174         (decimal_quad_format): Ditto.
10175         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
10176         computation of DECnn_MIN and DECnn_MAX for corrected values of
10177         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
10178         __DECnn_MIN__, and adjust its computation for the corrected value
10179         of emin.
10180
10181 2009-01-06  Jan Hubicka  <jh@suse.cz>
10182
10183         PR target/38744
10184         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
10185
10186 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
10187
10188         * doc/contrib.texi (Contributors): Slightly adjust the end note.
10189         Add Robert Clark to the list of testers.
10190
10191 2009-01-06  Jan Hubicka  <jh@suse.cz>
10192             Kai Tietz  <kai.tietz@onevision.com>
10193
10194         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
10195         * config/i386/i386.c (ix86_expand_call): Add clobbers.
10196
10197 2009-01-06  Jan Hubicka  <jh@suse.cz>
10198             Kai Tietz  <kai.tietz@onevision.com>
10199
10200         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
10201         for w64 ABI.
10202         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
10203         (ix86_nsaved_regs): Count only general purpose regs.
10204         (ix86_nsaved_sseregs): New.
10205         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
10206         to 16 for w64; compute padding and size of sse reg save area.
10207         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
10208         general purpose regs.
10209         (ix86_emit_save_sse_regs_using_mov): New.
10210         (ix86_expand_prologue): Save SSE regs if needed.
10211         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
10212         (ix86_emit_restore_sse_regs_using_mov): New.
10213         (ix86_expand_epilogue): Save SSE regs if needed.
10214
10215 2009-01-06  Jan Hubicka  <jh@suse.cz>
10216             Kai Tietz  <kai.tietz@onevision.com>
10217
10218         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
10219         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
10220         functions when accumulate outgoing args is off.
10221
10222 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10223
10224         PR bootstrap/38742
10225         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
10226         before using pseudos_have_intersected_live_ranges_p.
10227
10228         * ira-int.h (ira_assert): Always define.
10229
10230 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
10231
10232         AVX Programming Reference (December, 2008)
10233         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
10234         (_mm256_permute2_pd): Likewise.
10235         (_mm_permute2_ps): Likewise.
10236         (_mm256_permute2_ps): Likewise.
10237         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
10238         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
10239
10240         * config/i386/i386.c (ix86_builtins): Remove
10241         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
10242         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
10243         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
10244         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
10245         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
10246         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
10247         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
10248         __builtin_ia32_vpermil2ps256.
10249         (ix86_init_mmx_sse_builtins): Updated.
10250         (ix86_expand_args_builtin): Likewise.
10251
10252 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10253
10254         * pa.c (output_call): Relocate non-jump insns in the delay slot of
10255         long absolute calls when generating PA 2.0 code.
10256
10257 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
10258
10259         PR rtl-optimization/38583
10260         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
10261
10262         * params.def (ira-max-conflict-table-size): New.
10263
10264         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
10265
10266         * ira.h (ira_conflicts_p): New external definition.
10267
10268         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
10269         table.  Report this.  Return result of building.
10270         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
10271         building conflict table.
10272
10273         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
10274         (ira_color): Use ira_conflicts_p.
10275
10276         * global.c: Include ira.h.
10277         (pseudo_for_reload_consideration_p, build_insn_chain): Use
10278         ira_conflicts_p.
10279
10280         * Makefile.in (global.o): Add ira.h.
10281
10282         * ira-build.c (mark_all_loops_for_removal,
10283         propagate_some_info_from_allocno): New.
10284         (remove_unnecessary_allocnos): Call
10285         propagate_some_info_from_allocno.
10286         (remove_low_level_allocnos): New.
10287         (remove_unnecessary_regions): Add parameter.  Call
10288         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
10289         parameter to remove_unnecessary_regions.
10290         (ira_build): Remove all regions but root if the conflict table was
10291         not built.  Update conflict hard regs for allocnos crossing calls.
10292
10293         * ira.c (ira_conflicts_p): New global.
10294         (ira): Define and use ira_conflicts_p.
10295
10296         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10297         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
10298         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
10299
10300 2009-01-06  Ben Elliston  <bje@au.ibm.com>
10301
10302         * gengtype-lex.l (YY_NO_INPUT): Define.
10303
10304 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10305
10306         PR c/34911
10307         * c-common.c (handle_vector_size_attribute): Also reject
10308         BOOLEAN_TYPE types.
10309
10310 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
10311
10312         PR tree-optimization/38492
10313         * graphite.c (rename_map_elt, debug_rename_elt,
10314         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
10315         rename_map_elt_info, eq_rename_map_elts,
10316         get_new_name_from_old_name, bb_in_sese_p): Moved around.
10317         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
10318         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
10319         (sese_build_livein_liveouts): New.
10320         (new_sese, free_sese): New.
10321         (new_scop): Call new_sese.
10322         (free_scop): Call free_sese.
10323         (rename_variables_from_edge, rename_phis_end_scop): Removed.
10324         (register_old_new_names): Renamed register_old_and_new_names.
10325         (register_scop_liveout_renames, add_loop_exit_phis,
10326         insert_loop_close_phis, struct igp,
10327         default_liveout_before_guard, add_guard_exit_phis,
10328         insert_guard_phis, copy_renames): New.
10329         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
10330         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
10331         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
10332         (scop_adjust_phis_for_liveouts): New.
10333         (gloog): Call scop_adjust_phis_for_liveouts.
10334
10335         * graphite.h (struct sese): Documented.  Added fields liveout,
10336         num_ver and livein.
10337         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
10338         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
10339         (struct scop): Added field liveout_renames.
10340         (SCOP_LIVEOUT_RENAMES): New.
10341
10342 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10343
10344         PR tree-optimization/38510
10345         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
10346         (translate_clast): Call recompute_all_dominators before
10347         graphite_verify.
10348         (gloog): Call recompute_all_dominators before graphite_verify.
10349
10350 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10351             Jan Sjodin  <jan.sjodin@amd.com>
10352
10353         PR tree-optimization/38500
10354         * graphite.c (create_sese_edges): Call fix_loop_structure after
10355         splitting blocks.
10356
10357 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
10358
10359         * config.gcc: Add m32r*-*-rtems*.
10360         * config/m32r/rtems.h: New file.
10361
10362 2009-01-05  Ben Elliston  <bje@au.ibm.com>
10363
10364         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
10365         (.po.pox): Likewise.
10366         (po/gcc.pot): Likewise.
10367
10368 2009-01-04  David S. Miller  <davem@davemloft.net>
10369
10370         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
10371         (STARTING_FRAME_OFFSET): Always set to zero.
10372
10373 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10374
10375         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
10376         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
10377         fixed-point types, and vectors of the same.
10378
10379 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
10380
10381         * config/mips/sync.md (*mb_barrier): Rename to...
10382         (*memory_barrier): ...this.
10383
10384 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
10385
10386         * doc/extend.texi (Function Attributes): Move @cindex after @item
10387         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
10388         and put in alphabetical order. Fix 'target' name and put in order.
10389         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
10390         typos.
10391
10392 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
10393
10394         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
10395         (memory_barrier): Expand as unspec instead of unspec_volatile.
10396         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10397         (*memory_barrier): Define as unspec instead of unspec_volatile.
10398         Use (match_dup 0) as input operand.
10399
10400         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
10401         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
10402         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
10403         scratch register.  Remove operand 1.
10404         (*stbar): Define as unspec instead of unspec_volatile.
10405         Use (match_dup 0) as input operand, remove (const_int 8).
10406         (*membar): Define as unspec instead of unspec_volatile.
10407         Use (match_dup 0) as input operand, remove input operand 2.
10408
10409         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
10410         (memory_barrier): Expand as unspec instead of unspec_volatile.
10411         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10412         (*memory_barrier): Define as unspec instead of unspec_volatile.
10413         Use (match_dup 0) as input operand.
10414
10415         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
10416         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10417         Set volatile flag on operand 0.
10418         (*memory_barrier): New insn pattern.
10419
10420         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
10421         insn operands.
10422         (*memory_barrier): Use (match_dup 0) as input operand.
10423
10424         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
10425         Remove mem:BLK from insn operands.  Use Pmode scratch register.
10426         Set volatile flag on operand 0.
10427         (*mb_internal): New insn pattern.
10428
10429         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
10430
10431 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10432
10433         PR middle-end/38586
10434         * function.c (struct temp_slot): Move to the section of the file
10435         that deals with temp slots.  Remove field 'address'.
10436         (temp_slot_address_table): New hash table of address -> temp slot.
10437         (struct temp_slot_address_entry): New struct, items for the table.
10438         (temp_slot_address_compute_hash, temp_slot_address_hash,
10439         temp_slot_address_eq, insert_temp_slot_address): Support functions
10440         for the new table.
10441         (find_temp_slot_from_address): Rewrite to use the new hash table.
10442         (remove_unused_temp_slot_addresses): Remove addresses of temp
10443         slots that have been made available.
10444         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
10445         worker function for remove_unused_temp_slot_addresses.
10446         (assign_stack_temp_for_type): Don't clear the temp slot address list.
10447         Add the temp slot address to the address -> temp slot map.
10448         (update_temp_slot_address): Update via insert_temp_slot_address.
10449         (free_temp_slots): Call remove_unused_temp_slot_addresses.
10450         (pop_temp_slots): Likewise.
10451         (init_temp_slots): Allocate the address -> temp slot map, or empty
10452         the map if it is already allocated.
10453         (prepare_function_start): Initialize temp slot processing.
10454
10455 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
10456
10457         PR middle-end/38584
10458         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
10459         Calculate the size of all stack vars assuming no packing of stack
10460         vars will happen, replacing a quadratic algorithm with a linear one.
10461
10462 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10463
10464         PR target/38707
10465         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
10466         can't be used.
10467
10468 2009-01-03  Diego Novillo  <dnovillo@google.com>
10469
10470         * doc/contrib.texi: Update contributions.
10471
10472 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
10473
10474         PR c++/38705
10475         * builtins.c (fold_builtin_memory_op): Give up if either operand
10476         is volatile.  Set srctype or desttype to non-qualified version
10477         of the other type.
10478
10479         PR c/38700
10480         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
10481         and FUNCTION_DECLs.
10482
10483 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
10484
10485         PR rtl-optimization/35805
10486         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
10487         problem if fast dce is able to remove any instructions.
10488         * dce.c (dce_process_block): Fix dump message.
10489
10490 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
10491
10492         PR 33649
10493         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
10494
10495 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
10496
10497         PR middle-end/38690
10498         * tree-flow.h (op_code_prio, op_prio): New prototypes.
10499         * tree-pretty-print.c (op_code_prio): New function.
10500         (op_prio): No longer static.  Use op_code_prio.
10501         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
10502         Use op_prio and op_code_prio to determine if () should be
10503         printed around operand(s) or not.
10504
10505         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
10506         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
10507         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
10508         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
10509         pp_character instead of pp_string for single letter printing.
10510
10511 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
10512
10513         * doc/extend.texi: Fix '#pragma GCC option' typo.
10514
10515 2009-01-02  Richard Guenther  <rguenther@suse.de>
10516
10517         * doc/install.texi (--enable-checking): Mention different
10518         default for stage1.
10519         (--enable-stage1-checking): Document.
10520
10521 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
10522
10523         PR middle-end/30142
10524         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
10525         case to be an error.
10526
10527 2009-01-02  Ben Elliston  <bje@au.ibm.com>
10528
10529         * config/fp-bit.h (pack_d): Constify argument.
10530         * config/fp-bit.c (makenan): Constify return type. Remove casts.
10531         (isnan): Constify argument.
10532         (isinf): Likewise.
10533         (iszero): Likewise.
10534         (pack_d): Likewise.
10535         (_fpadd_parts): Constify return type.
10536         (_fpmul_parts): Likewise.
10537         (_fpdiv_parts): Likewise.
10538
10539 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
10540
10541         PR c/36489
10542         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
10543         warn about overwriting initializer with side-effects or
10544         -Woverride-init if !IMPLICIT.
10545         (output_init_element): Likewise.  Pass IMPLICIT down to
10546         add_pending_init.
10547         (process_init_element): Add IMPLICIT argument.  Pass it down
10548         to output_init_element.
10549         (push_init_element, pop_init_level, set_designator): Adjust
10550         process_init_element callers.
10551         (set_nonincremental_init, set_nonincremental_init_from_string):
10552         Adjust add_pending_init callers.
10553         (output_pending_init_elements): Adjust output_init_element callers.
10554         * c-tree.h (process_init_element): Adjust prototype.
10555         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
10556         process_init_element callers.
10557
10558 \f
10559 Copyright (C) 2009 Free Software Foundation, Inc.
10560
10561 Copying and distribution of this file, with or without modification,
10562 are permitted in any medium without royalty provided the copyright
10563 notice and this notice are preserved.