gcc/ChangeLog

   1 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
   2
   3         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
   4         register numbers more.
   5         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
   6         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
   7         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
   8         FUNCTION_VALUE_REGNO_P): Likewise.
   9         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
  10         STATIC_CHAIN_REGNUM): Likewise.
  11         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
  12         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
  13         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
  14         * config/m68k/m68k.md (FP_REG): New.
  15
  16 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
  17
  18         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
  19         alignment on fido.
  20
  21 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
  22
  23         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
  24         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
  25         comment typos.
  26
  27 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
  28
  29         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
  30         cold loops.
  31
  32 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  33
  34         PR c/31520
  35         * c-decl.c (finish_decl): Grab the type of the decl after the call
  36         to store_init_value.
  37
  38 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
  39
  40         * common.opt (fforward-propagate): Fix "Optimization" annotation.
  41
  42 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
  43
  44         PR c++/25874
  45         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
  46         post dominators and cleanup cfg before returning.
  47
  48 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
  49
  50         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
  51         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
  52
  53 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
  54
  55         * config.gcc: Recognize fido.
  56         * config/m68k/m68k-devices.def (fidoa): New.
  57         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
  58         __mfido__.
  59         (FL_FIDOA, TARGET_FIDOA): New.
  60         * config/m68k/m68k.opt (mfidoa): New.
  61
  62 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  63
  64         PR middle-end/31322
  65         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
  66         when a personality function is used.
  67
  68 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
  69
  70         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
  71
  72 2007-04-13  Mike Stump  <mrs@apple.com>
  73
  74         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
  75         we can...
  76         * config/darwin.opt (fapple-kext): Make C++ only.
  77         * config/darwin.c (darwin_override_options): Remove code to ensure
  78         -fapple-kext is given for C++ only.
  79
  80 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
  81
  82         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
  83         * config/mips/mips.c (override_options): Call
  84         SUBTARGET_OVERRIDE_OPTIONS, if defined.
  85
  86 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
  87
  88         * config/i386/i386.opt (msvr3-shlib): Removed.
  89
  90         * doc/invoke.texi: Remove -msvr3-shlib.
  91
  92 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
  93
  94         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
  95         with "popcnt" instruction.
  96
  97 2007-04-13  Richard Guenther  <rguenther@suse.de>
  98
  99         PR tree-optimization/21258
 100         * tree-vrp.c (compare_case_labels): New helper.
 101         (find_switch_asserts): New function.
 102         (find_assert_locations): Call it for SWITCH_EXPRs.
 103
 104 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
 105
 106         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
 107         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
 108         check is now implied in X87_FLOAT_MODE_P.
 109         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 110         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 111         (fix_trunc<mode>_i386_fisttp): Ditto.
 112         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 113         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 114         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 115         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 116         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 117         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 118         (unnamed_splitters): Ditto.
 119         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
 120         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
 121         FIRST_SSE_REG for local functions when SSE math is enabled or
 122         for functions with sseregparm attribute.
 123         (standard_80387_constant_p): Return -1 if mode is not
 124         X87_FLOAT_MODE_P.
 125         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
 126         (ix86_expand_compare): Ditto.
 127         (ix86_expand_carry_flag_compare): Ditto.
 128         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
 129         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
 130         DECIMAL_FLOAT_MODE_P.
 131         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
 132         of SCALAR_FLOAT_MODE_P.
 133         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
 134         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
 135         checks before FLOAT_MODE_P.
 136         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
 137         before FLOAT_MODE_P.
 138         [DIV]: Ditto.
 139         [NEG]: Ditto.
 140         [ABS]: Ditto.
 141         [SQRT]: Ditto.
 142         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
 143
 144 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
 145             Charles Wilson  <libtool@cwilson.fastmail.fm>
 146
 147         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
 148         (libgcc.mvars): Don't depend on them.
 149         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
 150         * exec-tool.in: New.
 151
 152 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
 153
 154         * doc/invoke.text (--help): Document --help=common.
 155
 156 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
 157
 158         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
 159
 160 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 161
 162         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
 163         * genemit.c (main): Emit #include "integrate.h".
 164         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
 165         (LOADGP_RTP): New mips_loadgp_style.
 166         * config/mips/mips.h: Include config/vxworks-dummy.h.
 167         (TARGET_RTP_PIC): New macro.
 168         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
 169         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
 170         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
 171         for TARGET_RTP_PIC.
 172         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
 173         -mvxworks-pic when using -mrtp and a PIC option.
 174         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
 175         for RTP PIC.
 176         (mips_symbolic_constant_p, mips_symbolic_address_p)
 177         (mips_symbol_insns): Handle SYMBOL_HALF.
 178         (override_options): Warn about -G and -mrtp being used together.
 179         Initialize mips_lo_relocs[SYMBOL_HALF].
 180         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
 181         (mips_emit_loadgp): Handle LOADGP_RTP.
 182         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
 183         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
 184         (tablejump): Handle function-relative case table entries if
 185         TARGET_RTP_PIC.
 186         * config/mips/predicates.md (symbol_ref_operand): New predicate.
 187
 188 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 189
 190         * config/mips/mips.md (load_call<mode>): Allow any general register.
 191         destination.
 192         (sibcall_value_internal, sibcall_value_multiple_internal)
 193         (call_value_internal, call_value_split, call_value_multiple_internal)
 194         (call_value_multiple_split): Remove constraints from operand 0.
 195
 196 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 197
 198         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
 199         rather than loadgp_noshared.
 200         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
 201         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
 202         gen_loadgp.
 203         * config/mips/mips.md (loadgp): Rename to...
 204         (loadgp_newabi): ...this.
 205         (loadgp_noshared): Rename to...
 206         (loadgp_absolute): ...this.
 207
 208 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 209
 210         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
 211         false for locally-binding symbols.
 212         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
 213
 214 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 215
 216         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
 217         (SYMBOL_GOT_PAGE_OFST): ...this.
 218         (SYMBOL_GOT_GLOBAL): Rename to...
 219         (SYMBOL_GOT_DISP): ...this.
 220         (SYMBOL_GOTOFF_GLOBAL): Rename to...
 221         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
 222         * config/mips/mips.c (mips_global_symbol_p): New function.
 223         (mips_symbol_binds_local_p): Likewise.
 224         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
 225         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
 226         and mips_symbol_binds_local_p.
 227         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 228         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
 229         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
 230         SYMBOL_GOTOFF_DISP.
 231         (mips_ok_for_lazy_binding_p): New function.
 232         (mips_load_call_address, mips_expand_call): Use it.
 233         (mips_dangerous_for_la25_p): Likewise.
 234         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
 235         (*got_disp<mode>): Use got_disp_operand instead of
 236         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
 237         SYMBOL_GOTOFF_GLOBAL.
 238         (*got_page<mode>): Use got_page_ofst_operand instead of
 239         local_got_operand.
 240         * config/mips/predicates.md (const_call_insn_operand): Use
 241         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
 242         (global_got_operand): Rename to...
 243         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
 244         SYMBOL_GOT_GLOBAL.
 245         (local_got_operand): Rename to...
 246         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
 247         of SYMBOL_GOT_LOCAL.
 248
 249 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 250
 251         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
 252         TARGET_CALL_CLOBBERED_GP.
 253         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 254         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
 255         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
 256         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
 257         of TARGET_ABICALLS && !TARGET_NEWABI.
 258         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 259         * config/mips/mips.c (mips_load_call_address): Check
 260         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 261         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 262         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 263         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
 264         TARGET_ABICALLS && TARGET_NEWABI.
 265         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
 266         TARGET_ABICALLS.
 267         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
 268         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
 269         TARGET_ABICALLS && TARGET_NEWABI.
 270         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
 271         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
 272         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
 273         whether indirect calls must use $25.
 274         (mips_extra_live_on_entry): Check TARGET_GOT instead of
 275         TARGET_ABICALLS.
 276         * config/mips/mips.md (jal_macro): Check flag_pic and
 277         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
 278         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
 279         instead of TARGET_ABICALLS.
 280         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
 281         TARGET_ABICALLS && TARGET_OLDABI.
 282         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 283         (sibcall): In the comment above the define_insn, mention
 284         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
 285         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
 286         instead of TARGET_ABICALLS.
 287
 288 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 289
 290         * doc/md.texi (Blackfin family constraints): Document PA and PB.
 291         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
 292         (MACFLAGS_MATCH_P): New macro.
 293         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
 294         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
 295         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
 296         the other MACFLAG constants.
 297         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
 298         (flag_machi): Tighten constraints.  Renumber some of the operands.
 299         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
 300         output template.
 301         (flag_machi_parts_acconly): New pattern.
 302         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
 303         used.
 304         (flag_macinit1hi): Tighten constraints.
 305         (flag_mul_macv2hi_parts_acconly): New pattern.
 306
 307         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
 308         Use a more efficient implementation.
 309         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
 310         inline sequences when not optimizing for size.
 311
 312         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
 313         movhi_high2low): Delete, merge functionality into...
 314         (packv2hi): ... this pattern.
 315
 316         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
 317         * config/bfin/bfin.opt (msim): New option.
 318         (mcpu=): New option.
 319         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
 320         (bfin_cpu_t): Typedef of enum bfin_cpu.
 321         (bfin_cpu_type): New declaration.
 322         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
 323         -msim and -mcpu= options.
 324         (LIB_SPEC): Likewise.
 325         * config/bfin/bfin.c (bfin_cpu_type): Define.
 326         (bfin_handle_option): Handle -mcpu= option.
 327         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
 328         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
 329         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
 330
 331 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 332
 333         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
 334         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
 335         (powerpc-wrs-vxworksae): Use ${tm_file}.
 336         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
 337         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
 338         * config/i386/vx-common.h: New file.
 339
 340 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 341
 342         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
 343         of crt0.o%s.
 344
 345 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 346
 347         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
 348         ldxtr.
 349
 350 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
 351
 352         PR c++/31078
 353         PR c++/31103
 354         * c-common.c (c_build_qualified_type): Set canonical type
 355         appropriately.
 356
 357 2007-04-12  Richard Guenther  <rguenther@suse.de>
 358
 359         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
 360         lower bound and element size if lower bound is not zero
 361         or either of the ARRAY_REF operands is set.
 362
 363 2007-04-12  Richard Guenther  <rguenther@suse.de>
 364
 365         PR tree-optimization/24689
 366         PR tree-optimization/31307
 367         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
 368         indices by value.
 369         * gimplify.c (canonicalize_addr_expr): To be consistent with
 370         gimplify_compound_lval only set operands two and three of
 371         ARRAY_REFs if they are not gimple_min_invariant.  This makes
 372         it never at this place.
 373         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
 374
 375 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 376
 377         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
 378         null before emitting a .nsubspa directive.
 379
 380 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 381
 382         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
 383         need_to_partition_p if there are no memory statements in the
 384         function.
 385
 386 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 387
 388         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
 389         (gcd_of_steps_may_divide_p): New function.
 390         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
 391
 392 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 393
 394         * reload.c (find_reloads_toplev, find_reloads_address,
 395         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
 396         not a pointer equality test, to decide if we need to call
 397         push_reg_equiv_alt_mem.
 398
 399 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
 400
 401         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
 402         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
 403         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
 404
 405 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 406
 407         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
 408         vector to be positive.
 409
 410 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 411
 412         PR 30735
 413         PR 31090
 414         * doc/invoke.texi: Document --params max-aliased-vops and
 415         avg-aliased-vops.
 416         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
 417         debug_memory_partitions): Move to tree-flow.h
 418         * params.h (AVG_ALIASED_VOPS): Define.
 419         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
 420         users.
 421         (mp_info_t): Likewise.
 422         (get_mem_sym_stats_for): New.
 423         (set_memory_partition): Move from tree-flow-inline.h.
 424         (mark_non_addressable): Only clear the set of symbols for the
 425         partition if it exists.
 426         (dump_memory_partitions): Move from tree-ssa-operands.c
 427         (debug_memory_partitions): Likewise.
 428         (need_to_partition_p): New.
 429         (dump_mem_ref_stats): New.
 430         (debug_mem_ref_stats): New.
 431         (dump_mem_sym_stats): New.
 432         (debug_mem_sym_stats): New.
 433         (update_mem_sym_stats_from_stmt): New.
 434         (compare_mp_info_entries): New.
 435         (mp_info_cmp): Call it.
 436         (sort_mp_info): Change argument to a list of mem_sym_stats_t
 437         objects.
 438         (get_mpt_for): Move from tree-ssa-operands.c.
 439         (find_partition_for): New.
 440         (create_partition_for): Remove.
 441         (estimate_vop_reduction): New.
 442         (update_reference_counts): New.
 443         (build_mp_info): New.
 444         (compute_memory_partitions): Refactor.
 445         Document new heuristic.
 446         Call build_mp_info, update_reference_counts,
 447         find_partition_for and estimate_vop_reduction.
 448         (compute_may_aliases): Populate virtual operands before
 449         calling debugging dumps.
 450         (delete_mem_sym_stats): New.
 451         (delete_mem_ref_stats): New.
 452         (init_mem_ref_stats): New.
 453         (init_alias_info): Call it.
 454         (maybe_create_global_var): Remove alias_info argument.
 455         Get number of call sites and number of pure/const call sites
 456         from gimple_mem_ref_stats().
 457         (dump_alias_info): Call dump_memory_partitions first.
 458         (dump_points_to_info_for): Show how many times a pointer has
 459         been dereferenced.
 460         * opts.c (decode_options): For -O2 set --param
 461         max-aliased-vops to 500.
 462         For -O3 set --param max-aliased-vops to 1000 and --param
 463         avg-aliased-vops to 3.
 464         * fortran/options.c (gfc_init_options): Remove assignment to
 465         MAX_ALIASED_VOPS.
 466         * tree-flow-inline.h (gimple_mem_ref_stats): New.
 467         * tree-dfa.c (dump_variable): Dump memory reference
 468         statistics.
 469         Dump NO_ALIAS* settings.
 470         (referenced_var_lookup): Tidy.
 471         (mem_sym_stats): New.
 472         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
 473         and ORIG are different SSA names for a memory partition.
 474         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
 475         * tree-flow.h (struct mem_sym_stats_d): Define.
 476         (mem_sym_stats_t): Define.
 477         (struct mem_ref_stats_d): Define.
 478         (struct gimple_df): Add field mem_ref_stats.
 479         (enum noalias_state): Define.
 480         (struct var_ann_d): Add bitfield noalias_state.
 481         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
 482         debug_mem_ref_stats, debug_memory_partitions,
 483         debug_mem_sym_stats): Declare.
 484         * tree-ssa-structalias.c (update_alias_info): Update call
 485         sites, pure/const call sites and asm sites in structure
 486         returned by gimple_mem_ref_stats.
 487         Remove local variable IS_POTENTIAL_DEREF.
 488         Increase NUM_DEREFS if the memory expression is a potential
 489         dereference.
 490         Call update_mem_sym_stats_from_stmt.
 491         If the memory references memory, call
 492         update_mem_sym_stats_from_stmt for all the direct memory
 493         symbol references found.
 494         (intra_create_variable_infos): Set noalias_state field for
 495         pointer arguments according to the value of
 496         flag_argument_noalias.
 497         * tree-ssa-structalias.h (struct alias_info): Remove fields
 498         num_calls_found and num_pure_const_calls_found.
 499         (update_mem_sym_stats_from_stmt): Declare.
 500         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
 501         Set default value to 100.
 502         (PARAM_AVG_ALIASED_VOPS): Define.
 503
 504 2007-04-11  Richard Guenther  <rguenther@suse.de>
 505
 506         PR middle-end/31530
 507         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
 508         a * -b + c as c - a * b if we honor sign dependent rounding.
 509
 510 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 511
 512         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
 513         bfin_expand_strmov.
 514         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
 515         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
 516         variables.
 517         (initialize_trampoline): Don't use old-style function definition.
 518         (bfin_secondary_reload): Mark IN_P argument as unused.
 519
 520 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
 521
 522         PR tree-optimization/31343
 523         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
 524         (build_polynomial_chrec): Return a scalar when the evolution is zero.
 525         * testsuite/gcc.dg/vect/pr31343.c: New.
 526
 527 2007-04-10  Eric Christopher  <echristo@apple.com>
 528
 529         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
 530         * config/i386/i386.md (*cmpfp0): Use.
 531         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 532         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 533         (fix_trunc<mode>_i386_fisttp): Ditto.
 534         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 535         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 536         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 537         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 538         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 539         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 540         (unnamed_splitters): Ditto.
 541         * config/i386/i386.c (output_fix_trunc): Assert that
 542         we're not being passed a TFmode operand.
 543
 544 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
 545
 546         PR tree-optimization/31526
 547         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
 548         n_basic_blocks to find newly added blocks.
 549
 550 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
 551
 552         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
 553         alternative.
 554         (fix_trunc<mode>si_sse): Ditto.
 555         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
 556         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
 557         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
 558         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
 559         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
 560         expander using SSEMODEF mode macro.
 561         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
 562         expander using SSEMODEF mode macro.
 563         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
 564         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
 565         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
 566         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
 567         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
 568         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
 569         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
 570         Macroize insn using X87MODEF mode macro.
 571
 572 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 573
 574         * config/i386/sse.md (sse2_pinsrw): Removed.
 575         (sse2_pextrw): Renamed to ...
 576         (*sse2_pextrw): This.
 577
 578 2007-04-09  Jan Hubicka  <jh@suse.cz>
 579
 580         PR target/27869
 581         * config/i386/sse.md
 582         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
 583         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
 584         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
 585         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
 586
 587 2007-04-09  Jan Hubicka  <jh@suse.cz>
 588
 589         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
 590         multiple fields of union.
 591
 592 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
 593
 594         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
 595         (create_preheaders): Check that loops are available.
 596         (fix_loop_structure): Clean up, improve comments.
 597         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
 598         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
 599         state flags.
 600         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
 601         * predict.c (tree_estimate_probability): Do not call
 602         calculate_dominance_info.  Call create_preheaders.
 603         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
 604         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
 605         flags.
 606         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
 607         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
 608         * tree-cfg.c (tree_split_edge): Make an assert more precise.
 609         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
 610         arguments.
 611
 612 2007-04-08  Jan Hubicka  <jh@suse.cz>
 613
 614         * tree.h (maybe_fold_offset_to_component_ref): Declare.
 615         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
 616         * fold-const.c (fold_unary): Use it.
 617
 618 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 619
 620         * varasm.c (assemble_variable): Remove call to
 621         lang_hooks.decls.prepare_assemble_variable.
 622         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
 623         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
 624         * langhooks.h (lang_hooks_for_decls): Remove
 625         prepare_assemble_variable.
 626
 627 2007-04-08  Mike Stump  <mrs@apple.com>
 628
 629         * config/i386/i386.c: Use inc/dec on Core2.
 630
 631 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
 632
 633         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
 634         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 635         lhd_tree_inlining_end_inlining): Remove.
 636         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
 637         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
 638         end_inlining hooks.
 639         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
 640         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 641         lhd_tree_inlining_end_inlining): Remove prototypes.
 642         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
 643         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
 644         LANG_HOOKS_TREE_INLINING_START_INLINING,
 645         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
 646
 647         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
 648         not set it.
 649
 650 2007-04-08  Anatoly Sokolov <aesok@post.ru>
 651
 652         PR target/29932
 653         * config/avr/predicates.md (io_address_operand): Delete predicate.
 654         (low_io_address_operand): Don't use 'mode' argument.
 655         (higth_io_address_operand): Rename ...
 656         (high_io_address_operand): ... to this. Don't use 'mode' argument.
 657         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
 658         for above change.
 659
 660 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
 661
 662         Revert change removing staticp.
 663
 664 2007-04-07  Anatoly Sokolov <aesok@post.ru>
 665
 666         PR target/30289
 667         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
 668         earlyclobber.
 669
 670 2007-04-07  Bruce Korb  <bkorb@gnu.org>
 671
 672         * c.opt: Add -Wformat-contains-nul.
 673         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
 674           -Wformat setting.
 675         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
 676         the NUL byte warning.
 677
 678 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
 679
 680         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
 681
 682 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
 683
 684         * tree.c (staticp): No longer use staticp langhook.
 685         * langhooks.c (lhd_staticp): Removed.
 686         * langhooks.h (struct lang_hooks): Remove staticp.
 687         * c-common.c (c_staticp): Remove.
 688         * c-common.h (c_staticp): Ditto.
 689         * langhooks-defs.h (lhd_staticp): Ditto.
 690         (LHD_HOOKS_STATICP): Ditto
 691         * tree.h (gcc_assert_lowered): New macro.
 692
 693 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
 694
 695         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
 696         argument "reliable".
 697         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
 698         Add argument "reliable".  Propagate it through calls.
 699         (infer_loop_bounds_from_undefined):  Derive number of iterations
 700         estimates from references in blocks that do not dominate loop latch.
 701         (gcov_type_to_double_int): New function.
 702         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
 703         and expected_loop_iterations_unbounded.
 704         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
 705         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
 706         * tree-data-ref.c (estimated_loop_iterations): Export.
 707         (get_references_in_stmt): Fix -- do not return addresses of local
 708         objects.
 709         * cfgloop.h (expected_loop_iterations_unbounded,
 710         estimated_loop_iterations): Declare.
 711
 712 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 713
 714         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 715
 716 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
 717
 718         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
 719         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
 720         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
 721         Use output_387_reg_move().
 722         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
 723         expander using X87MODEF12 mode macro.
 724         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
 725         choosing register preferences.  Use output_387_reg_move().
 726         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
 727         instead of "x".  Use output_387_reg_move().
 728         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
 729         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
 730         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
 731         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
 732         Use output_387_reg_move().
 733         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
 734         mode macro.
 735         (*truncxf?f_i387 splitter): Ditto.
 736
 737 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
 738
 739         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
 740         LANG_HOOKS_SAFE_FROM_P.
 741         * expr.c (safe_from_p): Remove langhook call.
 742         * langhooks.h (lang_hooks): Remove safe_from_p.
 743         (lhd_safe_from_p): Remove prototype.
 744         * langhooks.c (lhd_safe_from_p): Remove.
 745
 746 2007-04-06  Jan Hubicka  <jh@suse.cz>
 747
 748         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
 749         functions.
 750
 751 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
 752
 753         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
 754         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
 755         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
 756         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
 757         alternative.
 758         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
 759         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
 760
 761 2007-04-05  Richard Henderson  <rth@redhat.com>
 762
 763         * config/alpha/alpha.c (print_operand) [+]: Remove.
 764         (alpha_end_function): Print nop if call at end of function.
 765         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
 766         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
 767         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
 768         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
 769         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
 770         the call pattern. Update peepholes to match.
 771
 772 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
 773
 774         * doc/extend.texi (Other Builtins): Add decimal float variants
 775         of signbit.
 776         * builtins.def: Ditto.
 777         * builtins.c (expand_builtin): Ditto.
 778
 779 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
 780             H.J. Lu  <hongjiu.lu@intel.com>
 781
 782         PR target/31478
 783         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
 784         of V8HImode when calling ix86_binary_operator_ok.
 785         (sse2_pmaddwd): Call ix86_binary_operator_ok.
 786         (sdot_prodv8hi): Operands 1 and 2 must be register.
 787
 788 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 789
 790         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 791         initialize align to silence bogus warning.
 792
 793 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 794
 795         PR middle-end/22156
 796         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 797         all_no_warning.
 798         (struct sra_walk_fns): Remove use_all parameter from use.
 799         (sra_hash_tree): Handle BIT_FIELD_REFs.
 800         (sra_elt_hash): Don't hash bitfld blocks.
 801         (sra_elt_eq): Skip them in parent compares as well.  Handle
 802         BIT_FIELD_REFs.
 803         (sra_walk_expr): Don't maintain or pass down use_all_p.
 804         (scan_use): Remove use_all parameter.
 805         (scalarize_use): Likewise.  Re-expand assignment to
 806         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 807         output, and re-scalarize after output.  Don't mark anything
 808         for no warning.
 809         (scalarize_ldst): Adjust.
 810         (scalarize_walk_gimple_modify_statement): Likewise.
 811         (build_element_name_1): Handle BIT_FIELD_REFs.
 812         (instantiate_element): Don't warn for any element whose parent
 813         is used as a whole.
 814         (instantiate_missing_elements_1): Return the sra_elt.
 815         (canon_type_for_field): New.
 816         (try_instantiate_multiple_fields): New.
 817         (instantiate_missing_elemnts): Use them.
 818         (mark_no_warning): Removed.
 819         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 820         (REPLDUP, sra_build_elt_assignment): New.
 821         (generate_copy_inout): Use them.
 822         (generate_element_copy): Likewise.  Handle bitfld differences.
 823         (generate_element_zero): Don't recurse for blocks.  Use
 824         sra_build_elt_assignment.
 825         (generate_one_element_int): Take elt instead of var.  Use
 826         sra_build_elt_assignment.
 827         (generate_element_init_1): Adjust.
 828         (scalarize_use, scalarize_copy): Use REPLDUP.
 829         (scalarize_ldst): Move assert before dereference.
 830         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 831
 832 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
 833
 834         * regmove.c: Fix unused variable warnings due to previous commit.
 835
 836 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
 837
 838         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
 839         (regmove_bb_head): Remove.
 840         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
 841         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
 842         problems with fixup_match_1.
 843         Don't initialize/free regmove_bb_head.
 844
 845         (reg_is_remote_constant_p): If an insn is in the same basic block
 846         but not before INSN, consider it remote, too.
 847
 848 2007-04-05  Anatoly Sokolov <aesok@post.ru>
 849
 850         PR target/25448
 851         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
 852         DECL_ASSEMBLER_NAME, not the DECL_NAME.
 853
 854 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
 855
 856         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
 857         (CONDITIONAL_REGISTER_USAGE): Likewise.
 858
 859 2007-04-04  Richard Henderson  <rth@redhat.com>
 860
 861         * config/alpha/lib1funcs.asm: Remove unused file.
 862
 863 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 864
 865         PR other/31356
 866         * opts.c (print_specific_help): Fix --help=<language>
 867         header line.
 868         (common_handle_option): Support --help=common.
 869
 870 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 871
 872         PR other/31353
 873         * gcc.c (main): Do not run the linker if
 874         print_subprocess_help indicates that it shouldn't be
 875         run.
 876
 877 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 878
 879         PR doc/31355
 880         * doc/invoke.texi (--help=): Document <languages> value, fix
 881         formatting in tables of values.
 882
 883 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
 884
 885         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
 886         dllimport attribute of virtual methods.
 887
 888 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
 889
 890         * config/score/crti.asm: Change _bss_start to __bss_start.
 891         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
 892         (OUTGOING_REG_PARM_STACK_SPACE) update.
 893         * config/score/score.opt: add options to make backend support
 894         score5, score5u, score7 and score7d.
 895         * config/score/score.md: Likewise.
 896         * config/score/misc.md: Likewise.
 897         * config/score/mac.md: Likewise.
 898         * doc/invoke.texi: Likewise.
 899         * doc/md.texi: update constraints define.
 900
 901 2007-04-03  Richard Henderson  <rth@redhat.com>
 902
 903         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
 904         an appropriate type, use the mode instead.
 905
 906 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
 907
 908         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
 909         Set the default --with-arch setting to mips2.
 910         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
 911         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 912         (MULTILIB_OSDIRNAMES): Delete.
 913         (MULTILIB_DIRNAMES): Define.
 914         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
 915         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
 916         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
 917         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
 918         VXWORKS_OS_CPP_BUILTINS.
 919         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
 920         (MIPS_DEBUGGING_INFO): Undefine.
 921         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
 922
 923 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
 924
 925         PR middle-end/30704
 926         * fold-const.c (native_encode_real): Encode real.c provided longs
 927         as a series of 32-bit native integers.
 928         (native_interpret_real): Interpret buffer as a series of 32-bit
 929         native integers.
 930
 931 2007-04-03  Richard Guenther  <rguenther@suse.de>
 932
 933         * genpreds.c (write_insn_constraint_len): Write function
 934         optimized for CONSTRAINT_LEN implementation.
 935         (write_tm_preds_h): Output insn_constraint_len inline and
 936         use it for CONSTRAINT_LEN.
 937         (write_insn_preds_c): Don't output insn_constraint_len.
 938         * doc/md.texi (define_register_constraint): Document multi-letter
 939         constraints shall have the same length if they start with the same
 940         letter.
 941
 942 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
 943
 944         PR target/31175
 945         * config/i386/i386.md (isinf<mode>2): Expand only when
 946         TARGET_C99_FUNCTIONS is set.
 947
 948 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
 949
 950         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
 951         (x86_64-*-linux*): Ditto.
 952         * config/i386/i386.opt (mpc): New option.
 953         * config/i386/i386.c (overrride_options): Handle
 954         ix87_precision_string.
 955         * config/i386/crtprec.c: New file.
 956         * config/i386/t-crtpc: Ditto.
 957         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
 958         and -mpc80 options.
 959         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
 960         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
 961         crtprec32.o, crtprec64.o and crtprec80.o.
 962
 963         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
 964         and -mpc80 options.
 965         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
 966
 967 2007-04-02  Eric Christopher  <echristo@apple.com>
 968
 969         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
 970         limitations on darwin.
 971
 972 2007-04-02  Anatoly Sokolov <aesok@post.ru>
 973
 974         PR target/31137
 975         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
 976
 977 2007-04-02  Dave Korn  <dave.korn@artimi.com>
 978
 979         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
 980
 981 2007-04-02  Dave Korn  <dave.korn@artimi.com>
 982
 983         * libgcc2.h (exception_descriptor): Don't forward-declare.
 984         (__get_eh_table_language, __get_eh_table_version): Delete
 985         prototypes of long-dead functions.
 986
 987 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
 988
 989         * ebitmap.h: New file
 990         * ebitmap.c: New file
 991         * Makefile.in (ebitmap.o): New target.
 992
 993 2007-04-01  Jan Hubicka  <jh@suse.cz>
 994
 995         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
 996         before very first instruction.
 997
 998 2007-04-01  Jan Hubicka  <jh@suse.cz>
 999
1000         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1001         waring on 64bit hosts.
1002         * bitmap.h: Fix typo in bitmap_head_def.
1003
1004 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1005
1006         PR rtl-optimization/31391
1007         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1008         into a DELETED_LABEL note, and the label is in an empty basic
1009         block, update BB_END as well as BB_HEAD.
1010
1011 2007-04-01  Richard Henderson  <rth@redhat.com>
1012
1013         PR tree-optimization/31169
1014         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1015         to varying if the range is outside [0,  prec-1].
1016
1017 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1018
1019         PR target/31388
1020         * config/mips/mips.md (load_const_gp): New insn.
1021         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1022         the MIPS16 GP pseudo register if no_new_pseudos.
1023         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1024
1025 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1026
1027         PR target/31364
1028         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1029         secureplt.
1030         (call_value): Likewise.
1031
1032 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1033             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1034
1035         PR 14737
1036         * doc/invoke.texi: (optimization options): Reword description
1037         of -ffast-math. Document its primary purpose.
1038
1039 2007-03-31  Richard Guenther  <rguenther@suse.de>
1040
1041         * omp-low.c (splay-tree.h): Include.
1042         (lookup_decl): Replace splay-tree usage by pointer-map.
1043         (maybe_lookup_decl): Likewise.
1044         (new_omp_context): Likewise.
1045         (delete_omp_context): Likewise.
1046         * gimplify.c (splay-tree.h): Include.
1047         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1048         pointer-map.
1049         (remap_ssa_name): Likewise.
1050         (remap_decl): Likewise.
1051         (remap_type_1): Likewise.
1052         (remap_type): Likewise.
1053         (copy_body_r): Likewise.
1054         (expand_call_inline): Likewise.
1055         (clone_body): Likewise.
1056         (copy_tree_r): Likewise.
1057         (remap_save_expr): Likewise.
1058         (unsave_r): Likewise.
1059         (unsave_expr_now): Likewise.
1060         (tree_function_versioning): Likewise.
1061         (build_duplicate_type): Likewise.
1062         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1063         (struct copy_body_data): Replace splay-tree by pointer-map.
1064         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1065         not $(SPLAY_TREE_H).
1066         (gimplify.o): Depend on $(SPLAY_TREE_H).
1067         (omp-low.p): Likewise.
1068
1069 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1070
1071         * config/avr/predicates.md (even_register_operand,
1072         odd_register_operand): New predicates.
1073         * config/avr/avr.md (movw peephole2): New.
1074         (movw_r peephole2): New.
1075
1076 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1077
1078         * tree.h (get_signed_or_unsigned_type): New.
1079         * fold-const.c (operand_equal_for_comparison_p): Use
1080         get_signed_or_unsigned_type instead of
1081         lang_hooks.types.signed_or_unsigned_type.
1082         * expr.c (store_expr): Ditto.
1083         * langhooks.c (get_signed_or_unsigned_type): New.
1084         (lhd_signed_or_unsigned_type): New.
1085         * langhooks.h (lhd_signed_or_unsigned_type): New.
1086         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1087
1088 2007-03-30  Richard Henderson  <rth@redhat.com>
1089
1090         * tree-ssa-loop-ivopts.c: Include target.h.
1091         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1092         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1093         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1094         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1095
1096 2007-03-30  Richard Henderson  <rth@redhat.com>
1097             Kai Tietz  <kai.tietz@onevision.com>
1098
1099         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1100         default for 64-bit.
1101         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1102         (TARGET_64BIT_MS_ABI): New.
1103         (DBX_REGISTER_NUMBER): Handle 64-bit.
1104         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1105         (LONG_TYPE_SIZE): Force to 32.
1106         (REG_PARM_STACK_SPACE): New.
1107         (OUTGOING_REG_PARM_STACK_SPACE): New.
1108         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1109         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1110         (STACK_BOUNDARY): Use 128 for 64-bit.
1111         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1112         Add 64-bit implementation.
1113         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1114         argument unused.
1115         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1116         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1117         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1118         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1119         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1120         TARGET_64BIT_MS_ABI.
1121         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1122         (ix86_pass_by_reference): Likewise.
1123         (ix86_function_value_regno_p): Likewise.
1124         (ix86_build_builtin_va_list): Likewise.
1125         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1126         (function_arg_advance_ms_64): New.
1127         (function_arg_advance): Call it.
1128         (function_arg_ms_64): New.
1129         (function_arg): Call it.
1130         (function_value_ms_64): New.
1131         (ix86_function_value_1): Call it.
1132         (return_in_memory_ms_64): New.
1133         (ix86_return_in_memory): Call it.
1134         (setup_incoming_varargs_ms_64): New.
1135         (ix86_setup_incoming_varargs): Call it.
1136         (ix86_expand_prologue): Handle 64-bit stack probing.
1137         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1138         (output_pic_addr_const): Likewise.
1139         (x86_this_parameter): Likewise.
1140         (x86_output_mi_thunk): Likewise.
1141         (x86_function_profiler): Likewise.
1142         (TARGET_STRICT_ARGUMENT_NAMING): New.
1143         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1144         (TARGET_64BIT_MS_ABI): New.
1145         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1146         * config/i386/i386.md (allocate_stack_worker): Remove.
1147         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1148         describe the clobber of eax without a match_scratch.
1149         (allocate_stack_worker_postreload): Remove.
1150         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1151         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1152         (allocate_stack_worker_rex64_postreload): Remove.
1153         (allocate_stack): Handle 64-bit.
1154         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1155         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1156         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1157         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1158         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1159         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1160         * config.build (x86_64-*-mingw*): New host.
1161         * config.host (x86_64-*-mingw*): New host.
1162         * config.gcc (x86_64-*-mingw*): New target.
1163         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1164
1165 2007-03-30  Richard Henderson  <rth@redhat.com>
1166             Kai Tietz  <kai.tietz@onevision.com>
1167
1168         * c-pragma.c (struct def_pragma_macro_value): New.
1169         (struct def_pragma_macro): New.
1170         (pushed_macro_table): New.
1171         (dpm_hash, dpm_eq): New.
1172         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1173         (init_pragma): Install them.
1174         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1175
1176 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1177
1178         * config/avr/avr.c (avr_override_options): Clear
1179         'flag_delete_null_pointer_checks'.
1180
1181 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1182
1183         PR c++/26099
1184         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1185         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1186         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1187         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1188         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1189         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1190         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1191         C++ extensions.
1192         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1193
1194 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1195
1196         * regmove.c: Move all of pass_stack_adjustments from here...
1197         * combine-stack-adj.c: ...to this new file.
1198         * Makefile.in: Add rules for combine-stack-adj.o.
1199
1200 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1201
1202         PR tree-optimization/31383
1203         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1204         to have the same length.
1205
1206 2007-03-30  Jan Hubicka  <jh@suse.cz>
1207
1208         PR middle-end/30700
1209         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1210         availablility; add more sanity checking; ask varpool only about
1211         VAR_DECL.
1212
1213 2007-03-29  Richard Henderson  <rth@redhat.com>
1214
1215         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1216         to decide, but __SIZEOF_LONG_LONG__.
1217
1218 2007-03-29  Richard Henderson  <rth@redhat.com>
1219
1220         * emutls.c (struct __emutls_array): New.
1221         (emutls_destroy): Use it instead of casting element 0 from void*.
1222         (__emutls_get_address): Likewise.
1223
1224 2007-03-29  Richard Henderson  <rth@redhat.com>
1225
1226         * varasm.c (initializer_constant_valid_p): Don't deny
1227         DECL_DLLIMPORT_P on functions.
1228
1229         * config/i386/cygming.h: Remove function declarations.
1230         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1231         (ASM_OUTPUT_LABELREF): Remove.
1232         (COMMON_ASM_OP): Remove.
1233         (ASM_OUTPUT_COMMON): Remove.
1234         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1235         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1236         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1237         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1238         Rename from TARGET_ENCODE_SECTION_INFO.
1239         * config/i386/netware.h: Likewise.
1240         * config/i386/i386-protos.h: Update.
1241         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1242         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1243         (legitimate_constant_p): Reject dllimports.
1244         (dllimport_map, get_dllimport_decl): New.
1245         (legitimize_dllimport_symbol): New.
1246         (legitimize_address, ix86_expand_move): Use it.
1247         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1248         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1249         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1250         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1251         * config/i386/predicates.md (constant_call_address_operand): Only
1252         accept symbols; reject dllimport_p symbols.
1253         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1254         i386_pe_maybe_record_exported_symbol.
1255         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1256         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1257         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1258         trust the setting of DECL_DLLIMPORT_P.
1259         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1260         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1261         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1262         tidy the argument scanning loop.
1263         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1264         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1265         (i386_pe_strip_name_encoding): Remove.
1266         (i386_pe_binds_local_p): New.
1267         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1268         (i386_pe_output_labelref): Remove.
1269         (i386_pe_asm_output_aligned_decl_common): New.
1270         (i386_pe_maybe_record_exported_symbol): Rename from
1271         i386_pe_record_exported_symbol; check for dllexported symbols.
1272
1273 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1274
1275         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1276         add comment explaining why vsnprintf cannot be used.
1277
1278 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1279
1280         PR tree-optimization/30666
1281         * tree.c (build_complex_type): When creating type names for DWARF2
1282         debug info, create TYPE_DECLs for TYPE_NAME instead of
1283         IDENTIFIER_NODEs.
1284         (build_common_tree_nodes_2): Use build_complex_type when building
1285         predefined complex types, to preserve canonical types.
1286
1287 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1288
1289         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1290         (noce_get_alt_condition): Look at it to determine whether to
1291         reverse the condition or not.
1292         (noce_get_condition): Substitute the truth for lies.
1293         (noce_find_if_block): Set the then_else_reversed field.
1294
1295 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1296
1297         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1298         destination of this insn.
1299         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1300         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1301         'address + 4' rather than a stack based temporary which can be
1302         mis-optimized away.
1303
1304 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1305
1306         * config/s390/s390.c (s390_secondary_input_reload_class,
1307         s390_secondary_output_reload_class): Functions removed.
1308         (s390_secondary_reload): New function.
1309         (TARGET_SECONDARY_RELOAD): Target macro defined.
1310         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1311         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1312         * config/s390/s390.md ("reload_outti", "reload_outdi",
1313         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1314         "reload_out<mode>"): Expanders removed.
1315         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1316         "reload<mode>_nonoffmem_out"): Expanders added.
1317
1318 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1319
1320         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1321         SRC->DEST replacement failed anyway.
1322
1323 2007-03-28  Mike Stump  <mrs@apple.com>
1324
1325         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1326         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1327         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1328
1329 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1330
1331         * config.gcc: Accept barcelona as a variant of amdfam10.
1332         * config/i386/i386.c (override_options): Likewise.
1333         * doc/invoke.texi: Likewise.
1334
1335 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1336
1337         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1338         offsets for BIT_FIELD_REF and COMPONENT_REF.
1339
1340 2007-03-28  Richard Guenther  <rguenther@suse.de>
1341
1342         * tree.c (is_global_var): Move ...
1343         * tree-flow-inline.h (is_global_var): ... here.
1344         * tree.h (is_global_var): Remove declaration.
1345
1346 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1347
1348         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1349         option.
1350         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1351         * config/i386/i386.c (ix86_tune_features): Initialize new
1352         tuning option.
1353         * config/i386/predicates.md (promotable_binary_operator): Use
1354         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1355
1356 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1357
1358         PR target/31380
1359         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1360
1361 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1362
1363         * config/fr30/fr30.md (movsi_internal): Change destination
1364         constraint from m to V and add m to the end.
1365
1366 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1367
1368         * config/sh/sh.md (movsi_i): Fix type attribute.
1369
1370 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1371
1372         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1373         (movsf_ie): Likewise.
1374
1375 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1376
1377         * config.gcc: Add sh4-300 to multilib.
1378         * config/sh/t-mlib-sh4-300: New file.
1379
1380 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1381
1382         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1383         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1384         fix_trunc<mode>di2.
1385         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1386         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1387         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1388         "fixuns_trunctddi2"): Whitespace fix.
1389
1390 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1391
1392         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1393         the definition of struct sh_args.
1394         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1395         CALL_COOKIE_INT_REG_GET): Likewise.
1396
1397 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1398
1399         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1400         transformations are applied successfully.
1401
1402 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1403
1404         * tree.c (tree_contains_struct): Permit 512 tree codes.
1405         * tree.h (tree_contains_struct): Ditto.
1406         (MAX_TREE_CODES): Ditto.
1407         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1408         SPARE member to store remaining padding bits.
1409
1410 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1411
1412         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1413         architecture.
1414
1415 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1416
1417         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1418         * configure: Regenerate.
1419
1420         * configure: Regenerate using the correct version of autoconf.
1421
1422 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1423
1424         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1425         pointer regs.
1426         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1427         regs to "__SP_L__" and "__SP_H__".
1428
1429 2007-03-27  Richard Guenther  <rguenther@suse.de>
1430
1431         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1432         computations with it with a HOST_WIDE_INT variable.
1433
1434 2007-03-26  Mike Stump  <mrs@apple.com>
1435
1436         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1437         objective-c-header, objective-c++-header and objc++-cpp-output
1438         support.
1439         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1440
1441 2007-03-26  Richard Henderson  <rth@redhat.com>
1442
1443         PR target/31361
1444         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1445         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1446         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1447         IX86_BUILTIN_PSRLQ128): New.
1448         (ix86_init_mmx_sse_builtins): Add them.
1449         (ix86_expand_builtin): Expand them.
1450         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1451         operand 2 be TImode.
1452         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1453         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1454         _mm_srli_epi64): Mark __B const.
1455         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1456         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1457         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1458         new two-vector shift builtins.
1459
1460 2007-03-26  Ian Lance Taylor  <iant@google.com>
1461
1462         PR tree-optimization/31345
1463         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1464         [+INF, +INF(OVF)] into VARYING.
1465
1466 2007-03-26  Zack Weinberg  <zackw@panix.com>
1467
1468         * gengtype-parse.c: New file.
1469         * gengtype-yacc.y: Delete.
1470         * gengtype-lex.l: Don't include gengtype-yacc.h.
1471         Define YY_DECL and yyterminate appropriately for recursive
1472         descent parser.  yylval is now a string out-parameter to yylex.
1473         (HWS, EOID): New shorthand.
1474         (IWORD): Add a couple more types.
1475         (yylex): Add a setup stanza.  Remove the complex rules for
1476         detecting GTY'ed types and typedefs; replace with simple
1477         keyword detectors.  Adjust everything for the changed
1478         definition of yylval.  Ignore all pp-directives, not just #define.
1479         (yyerror): Delete.
1480         (parse_file): Rename yybegin; do not call yyparse.
1481         (yyend): New.
1482         * gengtype.c (xasprintf): Export again.
1483         (this_file): New.  Use everywhere __FILE__ was being used.
1484         (get_lang_bitmap): Special case types defined in gengtype.c.
1485         (do_typedef, new_structure): Suppress definition of certain types.
1486         (new_structure): Improve diagnostics of duplicate definitions.
1487         Make sure location_s is associated with input.h.
1488         (nreverse_pairs, define_location_structures): New functions.
1489         (main): Improve tagging of kludge types.  Remove old kludges
1490         for input.h types; use define_location_structures.
1491         * gengtype.h: Update prototypes.  Define token codes here.
1492         * Makefile.in: Remove all references to gengtype-yacc.
1493         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1494         and gengtype.
1495         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1496         add GTY((skip)) to the field that's only conditionally there.
1497         * doc/install.texi: Document that Bison is no longer required
1498         unless building treelang.
1499
1500         * gengtype.c: Don't include gtyp-gen.h.
1501         (srcdir): Declare here.
1502         (base_files, lang_dir_names): Allocate dynamically.
1503         (gt_files, num_gt_files, num_lang_dirs): New globals.
1504         (measure_input_list, read_input_line, read_input_list)
1505         (set_lang_bitmap): New functions.
1506         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1507         simplify, relying on read_input_list to set up the bitmaps.
1508         (main): Arguments are no longer unused.  Check for correct number
1509         of command line arguments, set srcdir and srcdir_len, then call
1510         read_input_list, before doing anything else.  No need to worry
1511         about duplicates in main loop.
1512         * configure.ac: Simplify the calculation of all_gtfiles.
1513         Put language tags in there.  Don't set or substitute
1514         all_gtfiles_files_langs or all_gtfiles_files_frags.
1515         * Makefile.in: Revamp the way gengtype is invoked, now that it
1516         takes a file on its command line with a much simpler format.
1517         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1518         (GTFILES): Remove duplicates and C source files.
1519         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1520         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1521         * configure: Regenerate.
1522
1523         * gengtype.h: Remove all type definitions to gengtype.c; leave
1524         only definitions of options_p, type_p, and pair_p as opaque
1525         pointers.  Update prototypes.
1526         * gengtype.c: Many type definitions moved here from gengtype.h.
1527         Consolidate type definitions at the top of the file.
1528         (xvasprintf): Delete.
1529         (xasprintf): Make static.
1530         (create_nested_pointer_option): Add 'next' parameter.
1531         (create_field_all, create_field_at): New functions.
1532         (create_field): Now a thin wrapper around create_field_all.
1533         (create_optional_field): Rename create_optional_field_ and add
1534         line argument.  Original name is now a macro which supplies
1535         __LINE__.
1536         (oprintf): Use vsnprintf directly.
1537         (close_output_files): Use fatal rather than perror/exit.
1538         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1539         (main): Set progname.  Don't use exit.
1540         * gengtype-yacc.y (struct_fields): Use create_field_at.
1541         (option, optionseqopt): Delete.
1542         (optionseq): Consolidate productions from option here so we
1543         can use the first argument to create_option.
1544
1545         * gengtype-lex.l: Distinguish unions from structures in the
1546         token type.  Don't call find_structure; return the tag as a string.
1547         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1548         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1549         Reorganize typedef_struct production accordingly.
1550         Use create_nested_ptr_option.
1551         * gengtype.c (create_nested_ptr_option): New function.
1552         * gengtype.h: Declare it.
1553
1554         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1555         (string_type): Don't declare.
1556         (do_scalar_typedef): Declare.
1557         (create_scalar_type): Update prototype.
1558         * gengtype.c (string_type): Make static.
1559         (scalar_nonchar, scalar_char): New.
1560         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1561         (resolve_typedef): Use scalar_nonchar for error recovery.
1562         (create_scalar_type): Remove name_len field.  Return scalar_char
1563         or scalar_nonchar as appropriate.
1564         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1565         to use string_type.
1566         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1567         whenever possible.
1568         (main): Initialize scalar_char and scalar_nonchar before calling
1569         gen_rtx_next.
1570         * gengtype-lex.l: Adjust for removal of second argument to
1571         create_scalar_type.  Use yylval.s instead of yylval.t when
1572         returning SCALAR.
1573         * gengtype-yacc.y: Type of SCALAR is string.  Call
1574         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1575         second argument to create_scalar_type.
1576
1577         * vec.h: Remove all #if IN_GENGTYPE blocks.
1578         Add comment saying that changes may require adjustments to gengtype.
1579         * gengtype.c: Don't include coretypes.h or tm.h.
1580         Add comment to inclusion of errors.h.
1581         (note_def_vec, note_def_vec_alloc): New functions.
1582         * gengtype.h: Declare new functions.
1583         * gengtype-lex.l: Don't include coretypes.h.
1584         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1585         Delete.
1586         (update_lineno): Remove unnecessary prototype.
1587         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1588         (VEC rule): Just return VEC_TOKEN.
1589         * gengtype-yacc.y (VEC_TOKEN): New token type.
1590         (type): Add a production for VEC(a,b).
1591         * Makefile.in: Update dependencies.
1592
1593         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1594         typedefs that use the old PARAMS macro.
1595
1596         * gengtype-lex.l: Remove all rules and states relating to yacc
1597         input files.
1598         * gengtype-yacc.y: Similarly.
1599         * gengtype.c (note_yacc_type): Delete function.
1600         * gengtype.h: Update prototypes.
1601
1602 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1603
1604         * tree-pretty-print.c (dump_generic_node): Report precision of
1605         unnamed integer types.
1606
1607 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1608
1609         * ifcvt.c (noce_try_store_flag_constants): Don't check
1610         no_new_pseudos here.
1611         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1612         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1613         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1614         noce_try_sign_mask): Likewise.
1615         (if_convert): Check no_new_pseudos here.
1616
1617         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1618         Remove prototypes.
1619         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1620         (noce_get_condition): Handle new then_else_reversed argument.
1621         (noce_init_if_info): Remove, fold into noce_find_if_block.
1622         (noce_process_if_block): Take a struct noce_if_info as the
1623         argument.  Don't set up one based on ce_if_info.  Update pointer
1624         references accordingly.
1625         (cond_move_process_if_block): Likewise.
1626         (process_if_block): Removed.
1627         (find_if_block): Removed.  Move functionality two new functions,
1628         noce_find_if_block and cond_exec_find_if_block.
1629         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1630         blocks and the symmetric IF-ELSE-JOIN case.
1631         (cond_exec_find_if_block): Also new function mostly based on old
1632         find_if_block and process_if_block.
1633         (find_if_header): Replace find_if_block call with separately
1634         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1635         (find_cond_trap): Update noce_get_condition call.
1636         (dead_or_predicable): Likewise.
1637
1638 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1639
1640         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1641         Remove.
1642         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1643         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1644         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1645         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1646         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1647         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1648         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1649         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1650         __builtin_ia32_psrad128 builtins.
1651
1652 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1653
1654         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1655         * config/i386/constraints.md
1656         (define_constraint "I"): Use IN_RANGE macro.
1657         (define_constraint "J"): Ditto.
1658         (define_constraint "K"): Ditto.
1659         (define_constraint "M"): Ditto.
1660         (define_constraint "N"): Ditto.
1661         (define_constraint "O"): Ditto.
1662         * config/i386/predicates.md
1663         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1664         (define_predicate "const_0_to_3_operand"): Ditto.
1665         (define_predicate "const_0_to_7_operand"): Ditto.
1666         (define_predicate "const_0_to_15_operand"): Ditto.
1667         (define_predicate "const_0_to_63_operand"): Ditto.
1668         (define_predicate "const_0_to_255_operand"): Ditto.
1669         (define_predicate "const_1_to_31_operand"): Ditto.
1670         (define_predicate "const_2_to_3_operand"): Ditto.
1671         (define_predicate "const_4_to_7_operand"): Ditto.
1672
1673 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1674
1675         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1676         in SImode for save_world.
1677         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1678         LR hard reg.
1679
1680 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1681
1682         PR tree-optimization/30784
1683         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1684         BIT_FIELD_REF.
1685
1686 2007-03-25  Revital Eres  <eres@il.ibm.com>
1687
1688         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1689           Fold movement_possibility function into it.
1690
1691 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1692
1693         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1694         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1695         (call_indirect_nonlocal_darwin64): Same.
1696         (call_nonlocal_darwin64): Same.
1697         (call_value_indirect_nonlocal_darwin64): Same.
1698         (call_value_nonlocal_darwin64): Same.
1699         (sibcall_nonlocal_darwin64): Same.
1700         (sibcall_value_nonlocal_darwin64): Same.
1701         (sibcall_symbolic_64): Same.
1702         (sibcall_value_symbolic_64): Same.
1703         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1704         LR pseudo.
1705         (rs6000_emit_load_toc_table): Same.
1706         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1707         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1708         (mull_call): Same.
1709         (divss_call): Same.
1710         (divus_call): Same.
1711         (quoss_call): Same.
1712         (quous_call): Same.
1713         (load_toc_v4_pic_si): Same
1714         (load_toc_v4_PIC_1): Same.
1715         (load_toc_v4_PIC_1b): Same.
1716         (call_indirect_aix{32,64}): Same.
1717         (call_value_indirect_aix{32,64}): Same.
1718         (call): Same.
1719         (call_value): Same.
1720         (call_local{32,64}): Same.
1721         (call_value_local{32,64}): Same.
1722         (call_indirect_nonlocal_aix{32,64}): Same.
1723         (call_nonlocal_aix{32,64}): Same.
1724         (call_value_indirect_nonlocal_aix{32,64}): Same.
1725         (call_value_nonlocal_aix{32,64}): Same.
1726         (call_indirect_nonlocal_sysv<mode>): Same.
1727         (call_nonlocal_sysv<mode>): Same.
1728         (call_value_indirect_nonlocal_sysv<mode>): Same.
1729         (call_value_nonlocal_sysv<mode>): Same.
1730         (sibcall): Same.
1731         (sibcall_local{32,64}): Same.
1732         (sibcall_value_local{32,64}): Same.
1733         (sibcall_nonlocal_aix{32,64}): Same.
1734         (sibcall_value_nonlocal_aix{32,64}): Same.
1735         (sibcall_nonlocal_sysv<mode>): Same.
1736         (sibcall_value): Same.
1737         (sibcall_value_nonlocal_sysv<mode>): Same.
1738
1739 2007-03-24  Paul Brook  <paul@codesourcery.com>
1740
1741         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1742         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1743
1744 2007-03-24  Richard Henderson  <rth@redhat.com>
1745
1746         * config/ia64/constraints.md: New file.
1747         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1748         satisfies_constraint_?.
1749         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1750         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1751         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1752         ia64_output_mi_thunk): Likewise.
1753         (ia64_const_ok_for_letter_p): Remove.
1754         (ia64_const_double_ok_for_letter_p): Remove.
1755         (ia64_extra_constraint): Remove.
1756         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1757         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1758         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1759         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1760         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1761         EXTRA_MEMORY_CONSTRAINT): Remove.
1762         * config/ia64/ia64.md: Include constriants.md.  Replace
1763         CONST_OK_FOR_? with satisfies_constraint_?.
1764
1765 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1766             H.J. Lu  <hongjiu.lu@intel.com>
1767
1768         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1769         DPD or BID name.
1770         (name macros): Use DPD_BID_NAME to convert names properly.
1771
1772         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1773         decimal floating point format.
1774         (init_floating_libfuncs): Change decimal functions so that they
1775         have a "bid_" prefix if the decimal system uses the BID format,
1776         and "dpd_" prefix if the decimal system uses the DPD format.
1777         (init_interclass_conv_libfuncs): Ditto.
1778         (init_intraclass_conv_libfuncs): Ditto.
1779
1780         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1781         using the BID format.
1782
1783         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1784         whether we are using the BID decimal format.
1785         * configure: Regenerate.
1786
1787         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1788         the compiler has decimal floating point enabled.  Define
1789         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1790         instead of DPD.
1791
1792         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1793         using the BID format.
1794
1795         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1796         whether we are using the BID decimal format.
1797         * configure: Regenerate.
1798
1799         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1800         the compiler has decimal floating point enabled.  Define
1801         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1802         instead of DPD.
1803
1804         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1805         options, and that it is enabled for i386/x86_64 systems.
1806
1807         * Makefile.in (enable_decimal_float): New.
1808         (DECNUMFMT): New.
1809         (DECNUMINC): Add  -I$(DECNUMFMT).
1810         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1811         to $(DECNUMFMT) from $(DECNUM).
1812
1813         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1814         Substitute enable_decimal_float.
1815         * configure: Regenerated.
1816
1817         PR other/30529
1818         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1819         unsigned long.
1820
1821         * configure.ac: Enable decimal float for x86_64-*-linux*.
1822         * configure: Regenerated.
1823
1824         PR other/30530
1825         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1826         decimal128ClearSign to flip and clear the sign bit in decimal128.
1827         (decimal_real_maxval): Set decimal128SetSign to set the sign
1828         bit in decimal128.
1829
1830 2007-03-23  Ian Lance Taylor  <iant@google.com>
1831
1832         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1833
1834 2007-03-23  Ian Lance Taylor  <iant@google.com>
1835
1836         * tree-dump.c (dump_files): Correct comment.
1837
1838 2007-03-23  Ian Lance Taylor  <iant@google.com>
1839
1840         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1841
1842 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1843
1844         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1845         in cfglayout mode.  Don't go into and out of cfglayout mode.
1846         Link the blocks in the order of the constructed traces.
1847         (rest_of_handle_tracer): Adjust call to tracer.
1848         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1849         Don't go into cfglayout mode.
1850         (rtl_loop_done): Don't go out of cfglayout mode.
1851         * cfglayout.c (relink_block_chain): New function, split out from...
1852         (fixup_reorder_chain): ...here.  Remove redundant checking.
1853         (cfg_layout_finalize): Don't clear the header, footer, and aux
1854         fields here, move the code to do so to relink_block_chain.  Likewise
1855         for free_original_copy_tables.
1856         * rtl.h (tracer): Update prototype.
1857         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1858         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1859         mode.  Use relink_block_chain to serialize the CFG according to the
1860         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1861         here...
1862         (gate_handle_reorder_blocks): ...to here.
1863         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1864         from here...
1865         (gate_duplicate_computed_gotos): ...to here.
1866         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1867         something always changes when going into and out of cfglayout mode.
1868         Perform an expensive cfg cleanup while going into cfglayout mode.
1869         Always update liveness information on HAVE_conditional_execution
1870         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1871         * reg-stack.c: Include cfglayout.h.
1872         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1873         the call to reorder_basic_blocks.
1874         * basic-block.h (reorder_basic_blocks): Update prototype.
1875         (relink_block_chain): New prototype.
1876         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1877
1878 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1879
1880         * config/mips/mips.md (type, hazard, *movdi_32bit,
1881         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1882         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1883         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1884         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1885         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1886         applicable.
1887         (movcc): Change first xfer to multi.
1888         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1889         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1890         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1891         config/mips/generic.md: Change reservations using "xfer" to use
1892         "mfc,mtc".
1893         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1894         using match_operand.
1895         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1896         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1897         examining mode.
1898         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1899
1900 2007-03-22  Richard Henderson  <rth@redhat.com>
1901
1902         * config/i386/i386.c: Remove unnecessary function declarations.
1903         Move targetm definition, and all related macros, to the end of
1904         the file.  Resort some functions to put definitions before uses.
1905         (ix86_attribute_table): Make static.  Move to end of file.
1906         (ix86_gimplify_va_arg): Make static.
1907
1908 2007-03-22  Richard Henderson  <rth@redhat.com>
1909
1910         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1911         don't increase local_regparm with force_align_arg_pointer check.
1912         (ix86_function_sseregparm): Assert 32-bit.
1913         (type_has_variadic_args_p): New.
1914         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1915         type_has_variadic_args_p.
1916         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1917         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1918         use memset instead.  Do maybe_vaarg check first; skip attribute
1919         tests if true; skip attribute tests for 64-bit.
1920         (construct_container): Remove TARGET_DEBUG_ARG.
1921         (function_arg_advance_32, function_arg_advance_64): Split out ...
1922         (function_arg_advance): ... from here.
1923         (function_arg_32, function_arg_64): Split out ...
1924         (function_arg): ... from here.
1925         (ix86_pass_by_reference): Tidy.
1926         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1927         (function_value_32): New, from parts of ix86_function_value
1928         and ix86_value_regno.
1929         (function_value_64): New, from parts of ix86_function_value
1930         and ix86_libcall_value.
1931         (ix86_function_value_1): New.
1932         (ix86_function_value, ix86_libcall_value): Use it.
1933         (return_in_memory_32, return_in_memory_64): Split out ...
1934         (ix86_return_in_memory): ... from here.
1935         (ix86_struct_value_rtx): Skip for 64-bit.
1936         (ix86_libcall_value, ix86_value_regno): Remove.
1937         (setup_incoming_varargs_64): Split out ...
1938         (ix86_setup_incoming_varargs): ... from here.
1939         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1940         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1941         * config/i386/i386-protos.h (ix86_function_value): Remove.
1942         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1943
1944 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1945
1946         PR other/23572
1947         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1948         infinities not supported, otherwise emit warning if -Woverflow. On
1949         underflow, emit warning if -Woverflow.
1950         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1951         and 0 otherwise.
1952         * real.h (real_from_string): Update declaration
1953
1954 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1955             Richard Henderson  <rth@redhat.com>
1956
1957         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1958         * calls.c (compute_argument_block_size, expand_call,
1959         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1960         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1961         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1962         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1963         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1964         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1965         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1966         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1967         Set to 1.
1968
1969 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1970
1971         * c-incpath.c (add_sysroot_to_chain): New.
1972         (merge_include_chains): Add sysroot argument.  Call
1973         add_sysroot_to_chain if sysrooted.
1974         (register_include_chains): Update call to merge_include_chains.
1975         * doc/cppopts.texi: Document use of '=' in include directory
1976         arguments.
1977
1978 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1979
1980         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1981         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1982         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1983         insn pattern using X87MODEF12 mode macro.
1984
1985 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1986
1987         * regmove.c (regmove_optimize): Use reg_mentioned_p
1988         instead of reg_overlap_mentioned_p for DST.
1989
1990 2007-03-21  Mike Stump  <mrs@apple.com>
1991
1992         * c.opt: Fixup for Objective-C/C++.
1993
1994 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1995
1996         * explow.c (convert_memory_address): Fold memory reference when
1997         POINTERS_EXTEND_UNSIGNED < 0
1998
1999 2007-03-21  Richard Henderson  <rth@redhat.com>
2000
2001         PR target/31245
2002         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2003         * config/i386/mmintrin.h (__m64): Likewise.
2004         * config/i386/xmmintrin.h (__m128): Likewise.
2005
2006 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2007
2008         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2009         (VXWORKS_OS_CPP_BUILTINS): Define.
2010         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2011         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2012
2013 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2014
2015         * rtl.h (constant_pool_reference_p): Delete.
2016         (find_constant_src): Declare.
2017         * rtlanal.c (find_constant_src): New function.
2018         * simplify-rtx.c (constant_pool_reference_p): Delete.
2019         * config/i386/i386.md: Use find_constant_src instead of
2020         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2021
2022 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2023
2024         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2025         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2026
2027 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2028
2029         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2030         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2031         (arm_elf_asm_constructor): Use it.
2032         (arm_elf_asm_destructor): New function.
2033
2034 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2035
2036         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2037
2038 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2039
2040         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2041
2042 2007-03-19  Andrew Haley  <aph@redhat.com>
2043
2044         PR tree-optimization/31264
2045         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2046         VIEW_CONVERT_EXPRs.
2047
2048 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2049
2050         PR rtl-optimization/30907
2051         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2052         (fwprop_init): Always call loop_optimizer_initialize.
2053         (fwprop_done): Always call loop_optimizer_finalize.
2054         (fwprop): We always have loop info now.
2055         (gate_fwprop_addr): Remove.
2056         (pass_fwprop_addr): Use gate_fwprop as gate.
2057
2058         PR rtl-optimization/30841
2059         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2060         df_chain_alloc): Call df_reorganize_refs unconditionally.
2061         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2062         refs_organized to refs_organized_size.
2063         (df_ref_create_structure): Use refs_organized_size instead of
2064         bitmap_size if refs had been organized, and keep refs_organized_size
2065         up-to-date.
2066         * df.h (struct df_ref_info): Change refs_organized to
2067         refs_organized_size.
2068         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2069         bitmap_size.
2070
2071 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2072
2073         * except.c (output_function_exception_table): Do not reference the
2074         EH personality routine for functions that do not require an
2075         exception table.
2076
2077 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR c/30762
2080         * c-typeck.c (convert_for_assignment): Call comptypes for
2081         RECORD_TYPE or UNION_TYPE.
2082
2083         PR inline-asm/30505
2084         * reload1.c (reload): Do invalid ASM checking after
2085         cleanup_subreg_operands.
2086
2087 2007-03-19  Jeff Law  <law@redhat.com>
2088
2089         * tree-cfg.c (find_taken_edge): Tighten conditions for
2090         optimizing computed gotos.
2091
2092 2007-03-19  Michael Matz  <matz@suse.de>
2093
2094         * builtins.c (expand_builtin_sync_operation,
2095         expand_builtin_compare_and_swap,
2096         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2097         correctly.
2098
2099         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2100         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2101         for operand 3.
2102
2103 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2104
2105         * doc/tm.texi: Add brackets around the return type of
2106         TARGET_SECONDARY_RELOAD.
2107
2108 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2109         Richard Guenther  <rguenther@suse.de>
2110
2111         PR tree-optimization/31254
2112         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2113         Use handled_component_p () where appropriate.  Continue
2114         propagating into the rhs if we propagated into an INDIRECT_REF
2115         on the lhs.
2116
2117 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2118
2119         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2120         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2121         (xde, xdee): Mode attributes adjusted to support DFP modes.
2122         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2123         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2124         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2125         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2126         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2127         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2128         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2129         numbers.
2130         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2131         "movsf"): Insn definitions removed.
2132         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2133         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2134         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2135         definitions added.
2136         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2137         "reload_in<mode>", "reload_out<mode>"): Expander added.
2138         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2139         Expander removed.
2140
2141 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2142
2143         * config/s390/s390.md: Only non-functional changes.  Renamed
2144         FPR mode macro to BFP all over the file.
2145
2146 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2147
2148         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2149         (op_type attribute): RRF instruction type added.
2150         (fT0): New mode attribute.
2151         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2152         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2153         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2154         no secondary memory is needed when moving DFmode values between GPRs
2155         and FPRs.
2156
2157 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2158
2159         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2160         inverted and documentation adjusted.
2161         ("mhard-dfp", "msoft-dfp"): New options.
2162         * config/s390/s390.c (s390_handle_arch_option): New architecture
2163         switch: z9-ec.
2164         (override_options): Sanity checks for the new options added.
2165         * config.gcc: New architecture switch: z9-ec.
2166         * config/s390/s390.h (processor_flags): PF_DFP added.
2167         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2168         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2169         when the bit is NOT set so remove it from the defaults.
2170
2171 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2172
2173         * genemit.c (main): Print include statement for dfp.h.
2174         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2175         is not available.
2176
2177 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2178
2179         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2180
2181 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2182
2183         PR target/31022
2184         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2185         instead of PATTERN.
2186
2187 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2188
2189         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2190         attr_length_call, output_call, output_indirect_call): Cleanup
2191         formatting of targetm calls.
2192
2193 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2194
2195         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2196
2197 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2198
2199         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2200         reservation, bypass and anti-bypass descriptions for these instructions.
2201         Update move patterns.
2202         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2203         TYPE_FPSTORE.
2204
2205 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2206
2207         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2208         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2209         (get_initial_def_for_reduction): Likewise.
2210
2211 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2212
2213         Fix PR tree-optimization/29922
2214         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2215         (get_representative): Removed.
2216         (value_dies_in_block_x): Update for rvuse removal.
2217         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2218         (compute_antic_aux): Handle when PHI nodes appear in
2219         non-single-successors.
2220         (dump_bitmap_of_names): Removed.
2221         (compute_antic_safe): Renamed and removed rvuse calculation.
2222         Calculate only antic safe.
2223         (insert_into_preds_of_block): Remove assert.
2224         (execute_pre): Update for renamed functions.
2225         (defer_or_phi_translate_block): New function.
2226
2227 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2228
2229         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2230         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2231         typos.
2232         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2233         Follow spelling conventions.
2234
2235         * tree-data-ref.h: Remove the prototype for analyze_array.
2236
2237 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2238
2239         PR tree-optimization/31041
2240         * tree-vect-transform.c (get_initial_def_for_induction): Call
2241         force_gimple_operand.
2242
2243 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2244
2245         * ipa-type-escape.c (look_for_casts) : Revert code to use
2246         handled_component_p due to ada test a-numaux.adb.
2247
2248 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2249
2250         * final.c (final_scan_insn): Alter the condition of a
2251         conditional trap if we have nonstandard CC.
2252
2253 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2254
2255         * configure.ac: Remove excess quoting from asm line 0 test.
2256         * configure: Rebuilt.
2257
2258 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2259
2260         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2261         * c-common.c (convert_and_check): Move warning logic to...
2262         (warnings_for_convert_and_check): ...here. Define.
2263         * c-common.h (warnings_for_convert_and_check): Declare.
2264
2265 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2266
2267         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2268         (output_call): Likewise.
2269
2270 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2271
2272         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2273
2274 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2275
2276         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2277
2278 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2279
2280         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2281         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2282
2283 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2284
2285         PR tree-optimization/31183
2286         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2287         Use double_int instead of unsigned int for representing access_strides.
2288         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2289
2290 2007-03-16  Richard Guenther  <rguenther@suse.de>
2291
2292         PR tree-optimization/31146
2293         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2294         to allow recursion of forward_propagate_addr_expr.
2295         (forward_propagate_addr_into_variable_array_index): Likewise.
2296         (forward_propagate_addr_expr): Likewise.
2297         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2298         (forward_propagate_addr_expr_1): Recurse on simple copies
2299         instead of propagating into them.  Do so for useless conversions
2300         as well.
2301         (forward_propagate_addr_expr): Clean up unused statements after
2302         recursion.
2303
2304 2007-03-16  Richard Guenther  <rguenther@suse.de>
2305
2306         * builtins.c (expand_builtin_cexpi): Use the right argument
2307         for the expansion via cexp.
2308
2309 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2310
2311         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2312         * configure: Rebuilt.
2313
2314 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2315
2316         PR debug/29906
2317         * dwarf2out.c (force_type_die): Adjust comment.
2318         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2319
2320 2007-03-15  DJ Delorie  <dj@redhat.com>
2321
2322         * config/frv/predicates.md (minmax_operator): Don't check operands
2323         here.
2324
2325 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2326
2327         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2328         Update constant estimates of number of iterations.
2329         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2330         argument renamed to "realistic".
2331         (compute_estimated_nb_iterations): Removed.
2332         (record_niter_bound): New function.
2333         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2334         call record_nonwrapping_iv with upper = false.
2335         (infer_loop_bounds_from_signedness): Pass upper argument to
2336         record_nonwrapping_iv.
2337         (estimate_numbers_of_iterations_loop): Do not call
2338         compute_estimated_nb_iterations.  Record estimate based on profile
2339         information.  Initialize the constant estimates of number of
2340         iterations.
2341         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2342         estimates.
2343         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2344         number of iterations is too small.
2345         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2346         (EST_NOT_AVAILABLE): Removed.
2347         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2348         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2349         fields.
2350
2351 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2352
2353         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2354         Handle NE_EXPR guards.
2355
2356 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2357
2358         PR c++/24924
2359         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2360         Set also -pedantic-errors by default for the  preprocessor unless
2361         -fpermissive is given.
2362
2363 2007-03-15  Richard Guenther  <rguenther@suse.de>
2364
2365         PR middle-end/29719
2366         PR middle-end/31161
2367         * builtins.c (expand_builtin_cexpi): As a fallback if we
2368         don't have builtins for sincos or cexp create a function
2369         declaration for cexp and expand to a call to that.
2370         (expand_builtin_int_roundingfn): Always fall
2371         back to floor/ceil and its variants even if they may be
2372         not available.
2373
2374 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2375
2376         PR middle-end/31159
2377         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2378         jump tables, move the call to delete_dead_jumptables from here...
2379         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2380         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2381         don't allow merging of blocks that try_redirect_by_replacing_jump
2382         also does not handle when not optimizing.
2383
2384 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2385             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2386
2387         * config/i386/i386.md (x86_sahf_1): Correctly handle
2388         HAVE_AS_IX86_SAHF.
2389
2390 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2391
2392         PR target/31167
2393         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2394         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2395         from operand constraints and use "e" constraint instead.
2396         (*subti3_1, *subti3_1 splitter): Ditto.
2397         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2398         operand[1] predicate.
2399
2400 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2401
2402         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2403         arrays, multiply the access strides by the size of the sub-array.
2404         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2405
2406 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2409         the configured assembler supports the sahf mnemonic.
2410         * configure: Regenerate.
2411         * config.in: Regenerate.
2412
2413         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2414         emit "sahf" or ".byte\t0x9e" as asm template.
2415
2416 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2417
2418         PR 31018
2419         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2420         option to replace hard coded TARGET_xxx in md file.
2421         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2422         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2423         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2424         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2425         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2426         (X86_TUNE_NOT_VECTORMODE): Ditto.
2427         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2428         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2429         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2430         (TUNE_SLOW_IMUL_IMM8): Ditto.
2431         (TUNE_MOVE_M1_VIA_OR): Ditto.
2432         (TUNE_NOT_UNPAIRABLE): Ditto.
2433         (TUNE_NOT_VECTORMODE): Ditto.
2434
2435         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2436         options.
2437
2438         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2439         tuning options instead of hard coded TARGET_xxx.
2440         (fix ssemode peephole2's): Ditto.
2441         (imul peephole2's): Ditto.
2442         (movsi_or): Ditto.
2443         (movdi_or_rex64): Ditto.
2444         (move peephole2): Ditto.
2445         (not peephole2's): Ditto.
2446
2447 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2448
2449         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2450         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2451         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2452         of empty body.
2453         * c-parser.c (c_parser_do_statement): Warn about empty body in
2454         do/while statement.
2455         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2456         * doc/invoke.texi (-Wempty-body): Update documentation.
2457
2458 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2459
2460         PR c/21438
2461         * c-common.h (warn_for_div_by_zero): Declare.
2462         * c-common.c (warn_for_div_by_zero): Define.
2463         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2464         warning.
2465
2466 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2467
2468         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2469         to PREFIX and STANDARD_PREFIX.
2470
2471 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2472             Phil Edwards  <phil@codesourcery.com>
2473
2474         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2475         (__gthread_once_t): Remove busy field for RTPs.
2476         (__GTHREAD_ONCE_INIT): Update accordingly.
2477
2478 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2479
2480         * doc/invoke.texi: Document VxWorks options.
2481
2482 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2483
2484         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2485
2486 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2487
2488         PR tree-optimization/30590
2489         * tree-nrv.c (tree_nrv): Check for the partial update of the
2490         return value.
2491
2492 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2493
2494         * flags.h (flag_random_seed): Remove declaration, in favor of...
2495         * toplev.h (get_random_seed, set_random_seed): ... these.
2496         * tree.c (get_file_function_name): Use the former.
2497         * opts.c (common_handle_option): Use the latter.
2498         * toplev.c
2499
2500 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2501
2502         PR middle-end/31127
2503         * cse.c (cse_find_path): Do not bail out if a basic block that
2504         we already visited now becomes part of a path that starts at a
2505         different basic block.  Just disallow this, to make sure we
2506         visit each basic block at most once.
2507
2508 2007-03-13  Jan Hubicka  <jh@suse.cz>
2509
2510         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2511         when profile esitmate is present, calls with very low frequency are
2512         cold.
2513
2514 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2515
2516         PR tree-optimization/30730
2517         PR tree-optimization/26900
2518         * tree-ssa-loop-niter.c: Include gmp.h.
2519         (bounds): New type.
2520         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2521         split_to_var_and_offset, determine_value_range,
2522         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2523         bound_difference, bounds_add, bounds_negate,
2524         number_of_iterations_ne_max, dump_affine_iv): New functions.
2525         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2526         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2527         difference of initial and final value of control iv to validate
2528         results.
2529         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2530         on the difference of the extremes of the control iv.  Add dumps.
2531         (expand_simple_operations): Handle phi nodes.
2532         (simplify_using_initial_conditions): Do not record used conditions.
2533         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2534         Do not set additional_info.
2535         (implies_nonnegative_p, implies_ge_p): Removed.
2536         (derive_constant_upper_bound): Do not use parameter `additional'.
2537         (record_estimate): Parameter `additional' removed.  Parameter
2538         `i_bound' added.  Do not call derive_constant_upper_bound.
2539         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2540         bound the number of iterations estimate.
2541         (estimate_numbers_of_iterations_loop): Pass the estimate from
2542         the number of iterations analysis to record_estimate.
2543         * tree.h (multiple_of_p): Declare.
2544         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2545         (scev_const_prop): Do not check expression_expensive_p.
2546         * fold-const.c (multiple_of_p): Exported.
2547         * double-int.c (double_int_mask): Exported.
2548         * double-int.h (double_int_mask): Declare.
2549         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2550         field.  Added max field.
2551
2552 2007-03-13  David Taylor  <taylor@candd.org>
2553
2554         PR driver/12448:
2555         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2556         default -MQ.
2557
2558 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2559
2560         PR target/31123
2561         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2562         two unamed patterns.
2563
2564 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2565
2566         * config/i386/i386.opt (mcx16, msahf): New options.
2567         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2568         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2569
2570         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2571         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2572         Output -mcx16 and -msahf options when corresponding bit is set.
2573
2574         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2575         and -msahf options.
2576
2577 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2578
2579         * configure.ac: Test for assembler tolerance to # 0 "".
2580         * configure, config.in: Rebuilt.
2581         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2582
2583 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2584
2585         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2586
2587         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2588         (handle_syscall): Handle direct system calls.
2589         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2590
2591 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2592
2593         * doc/invoke.texi: Fix cpp.info cross-reference.
2594         * doc/passes.texi: Fix gcc.info cross-reference.
2595
2596 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2597
2598         PR tree-optimization/30835
2599         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2600         bb_for_stmt is not NULL before accessing it.
2601
2602 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2603
2604         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2605         some multilibs.
2606
2607 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2608
2609         PR 30635
2610         * doc/install.texi: Document --enable-stage1-languages
2611
2612 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2613
2614         * tree-pass.h (pass_into_cfg_layout_mode,
2615         pass_outof_cfg_layout_mode): Declare.
2616         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2617         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2618         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2619         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2620
2621 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2622
2623         * c-decl.c (warn_variable_length_array): New function.
2624         Refactored from grokdeclarator to handle warn_vla
2625         and handle unnamed array case.
2626         (grokdeclarator): Refactored VLA warning case.
2627         * c.opt (Wvla): New flag.
2628         * doc/invoke.texi (Wvla): New warning.
2629
2630 2007-03-12  Richard Henderson  <rth@redhat.com>
2631
2632         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2633         (TARGET_SECTION_TYPE_FLAGS): New.
2634
2635 2007-03-12  Richard Henderson  <rth@redhat.com>
2636
2637         * config/darwin.c (machopic_reloc_rw_mask): New.
2638         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2639         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2640
2641 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2642
2643         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2644         * cppdefault.h (cpp_PREFIX): Document.
2645         (cpp_PREFIX_len): Likewise.
2646         (cpp_EXEC_PREFIX): New variable.
2647         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2648         * c-incpath.c (add_standard_paths): Correct logic for relocating
2649         paths within prefix.
2650
2651 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2652
2653         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2654         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2655         mode macro.
2656         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2657         fix_truncdfdi_sse using SSEMODEF mode macro.
2658         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2659         fix_truncdfsi_sse using SSEMODEF mode macro.
2660         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2661         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2662
2663 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2664
2665         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2666         elfos.h to tm_file.
2667
2668 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2669
2670         * tree.h : Add multiple_of_p declaration.
2671         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2672         * ipa-type-escape.c (results_of_malloc): Redundant.
2673         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2674         (cast_type): Extended with new members.
2675         (check_cast): Returns cast_type.
2676         (cast): New structure for data of walk_use_def_chains.
2677         (is_malloc_result, is_cast_from_non_pointer_1,
2678         is_cast_from_non_pointer,
2679         is_array_access_through_pointer_and_index): New functions.
2680         (look_for_casts): Returns cast types.
2681         (check_call): Returns void.
2682         (okay_pointer_operation): Use support of pointer plus index,
2683         pointer plus constant and allow all multiplications.
2684
2685 2007-03-11  Richard Guenther  <rguenther@suse.de>
2686
2687         PR tree-optimization/31115
2688         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2689         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2690         A shift count of zero is not special as with *_DIV_EXPR.
2691         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2692         direction.
2693
2694 2007-03-11  Ian Lance Taylor  <iant@google.com>
2695
2696         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2697         the *_DIV_EXPR codes correctly with overflow infinities.
2698
2699 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2700
2701         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2702         indicate success/failure of the analysis. Add negation to subtrahend
2703         in case of subtraction. Fail if both operands contain constants.
2704         (create_data_ref): Fail if analyze_offset fails.
2705
2706 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2707
2708         * config/i386/i386.md (frndintxf2): Rename to ...
2709         (rintxf2): ... this. Remove expander having same name.
2710         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2711         (roundsf2, rounddf2): Ditto.
2712         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2713         (lround<mode>di2, lround<mode>si2): Ditto.
2714
2715 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2716
2717         * lower-subreg.c: Include except.h.
2718         (decompose_multiword_subregs): Verify that the only control flow
2719         insns we can split are loads to multi-words pseudos.
2720         Handle breaking such blocks after splitting, instead of calling
2721         find_many_sub_basic_blocks.
2722
2723         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2724         on the new basic block.  Add a lengthy comment explaining why we
2725         thought this was necessary.
2726         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2727
2728 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2729
2730         PR c++/30924
2731         * tree.c (walk_type_fields): Recurse into the element type of
2732         ARRAY_TYPEs if there is a pointer set.
2733
2734 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2735
2736         * c-common.c (warn_logical_operator): Fix condition.
2737
2738 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2739
2740         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2741         quotation mark.
2742         * config/darwin.c (machopic_select_section): Remove superfluous
2743         argument in call to categorize_decl_for_section.  Remove unused
2744         variable shlib.
2745
2746 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2747
2748         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2749         defined.
2750         * configure: Regenerate.
2751
2752 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2753
2754         PR target/31101
2755         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2756         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2757         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2758         Add LABEL_NUSES to emitted label.
2759         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2760         branch probability value to emitted jump insn.
2761         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2762         Do not check life information and do not re-arrange input operands
2763         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2764
2765 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2766
2767         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2768         the change of decode_asm_operands.
2769
2770 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2771
2772         * mode-switching.c (create_pre_exit): Skip blockage insn.
2773
2774 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2775
2776         * tree-pass.h (TODO_update_smt_usage): Remove.
2777         Update all users.
2778         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2779         argument SOME.
2780         Update all users.
2781
2782 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2783
2784         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2785         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2786         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2787         SOM target.
2788
2789 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2790
2791         * gcc.c: Document %{, in big comment at top.
2792         (input_suffix_matches): Remove special handling for .s and
2793         .S.
2794         (input_spec_matches): New.
2795         (handle_braces): Handle %{,.
2796         (validate_switches): ',' indicates a value which is not a switch.
2797         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2798         to detect assembler input.
2799         * config/i386/sol2.h (CPP_SPEC): Likewise.
2800         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2801         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2802         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2803         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2804         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2805         -m64 causes deployment target to default to 10.5.
2806         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2807
2808 2007-03-09  Richard Henderson  <rth@redhat.com>
2809
2810         PR target/26090
2811         * target.h (targetm.asm.out.reloc_rw_mask): New.
2812         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2813         (TARGET_ASM_OUT): Use it.
2814         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2815         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2816         use the new reloc_rw_mask target hook instead.
2817         (default_section_type_flags_1): Merge into...
2818         (default_section_type_flags): ... here.
2819         (decl_readonly_section_1): Merge into...
2820         (decl_readonly_section): ... here.
2821         (default_elf_select_section_1): Merge into...
2822         (default_elf_select_section): ... here.
2823         (default_unique_section_1): Merge into...
2824         (default_unique_section): ... here.
2825         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2826         (default_select_rtx_section): Use it.
2827         (default_elf_select_rtx_section): Likewise.
2828         * output.h: Update to match.
2829         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2830         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2831         (TARGET_ASM_RELOC_RW_MASK): New.
2832         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2833         to categorize_decl_for_section.
2834         (x86_64_elf_unique_section): Likewise.
2835         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2836         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2837         (TARGET_ASM_RELOC_RW_MASK): New.
2838         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2839         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2840         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2841         (TARGET_RWRELOC): Remove.
2842         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2843         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2844         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2845         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2846         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2847         (rs6000_xcoff_select_section): Use decl_readonly_section.
2848         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2849         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2850         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2851         (TARGET_SECTION_TYPE_FLAGS): Remove.
2852         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2853
2854 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2855
2856         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2857         complex constant equality/inequality comparisons for here.
2858         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2859         known at compile-time or can be simplified to a scalar comparison.
2860         (fold_relational_const): Move compile-time evaluation of complex
2861         constant equality/inequality comparisons to here.
2862
2863 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2864
2865         PR rtl-optimization/30643
2866         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2867         dest_addr_elt.
2868         (fold_rtx): Recurse, like before 2006-11-03.
2869
2870 2007-03-09  DJ Delorie  <dj@redhat.com>
2871
2872         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2873         m32c-pragma.o.
2874
2875 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2876
2877         PR tree-optimization/30375
2878         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2879         LHS of statements is not the same.
2880         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2881
2882 2007-03-09  Chao-ying Fu  <fu@mips.com>
2883
2884         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2885         REV 2.
2886         * doc/invoke.texi (-mdspr2): Document new option.
2887         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2888         New unspec for DSP REV 2.
2889         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2890         these instructions are extended in DSP REV 2.
2891         (mips-dspr2.md): Include.
2892         * config/mips/mips.opt (mdspr2): New option.
2893         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2894         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2895         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2896         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2897         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2898         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2899         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2900         and 2 builtins.
2901         (bdesc_map): Add one field of unsupported_target_flags.
2902         (bdesc_arrays):  Update entries to have extra fields.  Add
2903         dsp_32only_bdesc.
2904         (mips_init_builtins): Initialize new function types.
2905         Check unsupported_target_fileds to filter out builtins.
2906         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2907         TARGET_DSPR2.
2908         (ASM_SPEC): Pass mdspr2 to the assembler.
2909         * config/mips/mips-dspr2.md: New file.
2910
2911 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2912
2913         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2914
2915 2007-03-09  Ian Lance Taylor  <iant@google.com>
2916
2917         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2918         argument) like -Wstrict-overflow=2.
2919         * doc/invoke.texi (Warning Options): Update documentation.
2920
2921 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2922
2923         PR c++/17946
2924         * doc/invoke.texi (-Wlogical-op): Document.
2925         * common.opt (-Wlogical-op): New.
2926         * c-common.h (warn_logical_operator): Declare.
2927         * c-common.c (warn_logical_operator): Define.
2928         * c-typeck.c (parser_build_binary_op): Call
2929         warn_logical_operator.
2930
2931 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2932
2933         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2934         * final.c (final_scan_insn): Test for non-"" file name.
2935
2936 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2937
2938         * doc/loop.texi: Document the Omega linear constraints solver.
2939         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2940         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2941         omega-hash-table-size, omega-max-keys, and
2942         omega-eliminate-redundant-constraints.
2943         * tree-pass.h (pass_check_data_deps): Declared.
2944         * omega.c: New.
2945         * omega.h: New.
2946         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2947         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2948         pass_check_data_deps): New.
2949         * tree-data-ref.c (init_data_ref): Remove declaration.
2950         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2951         (analyze_array): Renamed init_array_ref, move up initializations.
2952         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2953         Removed arguments that are set to NULL.
2954         (analyze_indirect_ref): Correct indentation, correct call to
2955         init_pointer_ref.
2956         (object_analysis): Call init_array_ref instead of analyze_array.
2957         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2958         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2959         of DR_ACCESS_FNS_ADDR.
2960         (init_omega_eq_with_af, omega_extract_distance_vectors,
2961         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2962         ddr_consistent_p): New.
2963         (compute_affine_dependence): Check consistency of ddrs when
2964         flag_check_data_deps is passed.
2965         (analyze_all_data_dependences): Uncomment.
2966         (tree_check_data_deps): New.
2967         * tree-data-ref.h: Include omega.h.
2968         (DR_ACCESS_FNS_ADDR): Removed.
2969         (data_dependence_relation): Add inner_loop.
2970         (DDR_INNER_LOOP): New.
2971         * common.opt (fcheck-data-deps): New.
2972         * tree-flow.h (tree_check_data_deps): Declare.
2973         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2974         (OBJS-common): Depend on omega.o.
2975         (omega.o): Define.
2976         * passes.c (pass_check_data_deps): Scheduled.
2977         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2978         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2979         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2980         PARAM_VECT_MAX_VERSION_CHECKS,
2981         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2982
2983 2007-03-09  Richard Guenther  <rguenther@suse.de>
2984
2985         PR tree-optimization/30904
2986         PR middle-end/31058
2987         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2988         the same way as *_DIV_EXPR.
2989
2990 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2991
2992         * recog.c (decode_asm_operands): No mixed declarations and code.
2993
2994 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2995
2996         * rtl.def (ASM_INPUT): Add location.
2997         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2998         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2999         (decode_asm_operands): Add loc operand.
3000         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3001         * stmt.c (expand_asm): Rename to...
3002         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3003         gen_rtx_ASM_INPUT_loc.
3004         (expand_asm_expr): Adjust.
3005         * recog.c (decode_asm_operands): Add loc operand.
3006         (check_asm_operands, extract_insn): Adjust.
3007         * reload1.c (maybe_fix_stack_asms): Likewise.
3008         * final.c (asm_insn_count): Likewise.
3009         (final_scan_insn): Output # line before and after asm.
3010
3011 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3012
3013         * tree-ssa-structalias.c (variable_info): Remove
3014         finished_solution.
3015         (new_var_info): Ditto.
3016         (shared_bitmap_info_t): New structure.
3017         (shared_bitmap_table): New variable.
3018         (shared_bitmap_hash): New function.
3019         (shared_bitmap_eq): Ditto
3020         (shared_bitmap_lookup): Ditto.
3021         (shared_bitmap_add): Ditto.
3022         (merge_smts_into): Change to take bitmap directly.
3023         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3024         (init_alias_vars): Init shared bitmap hashtable.
3025         (delete_points_to_sets): Delete shared bitmap hashtable.
3026         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3027         is_aliased removal as a change that was still necessary was
3028         deleted.
3029
3030 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3031
3032         * config/i386/i386.h (override_options): Conditionally disable
3033         x86_sahf for 64bit targets only.
3034
3035 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3036
3037         PR C/31072
3038         * c-decl.c (merge_decls): Don't call make_var_volatile.
3039         * varasm.c (make_var_volatile): Remove.
3040         * output.h (make_var_volatile): Remove.
3041
3042 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3043
3044         PR tree-optimization/31085
3045         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3046
3047 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3048
3049         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3050         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3051         ATTR_CONST_NOTHROW_LIST.
3052
3053         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3054         FIX_TRUNC_EXPR.
3055
3056 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3057
3058         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3059
3060 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3061
3062         PR 31013
3063         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3064         is declared.
3065         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3066         passed, use shared libgcc.
3067
3068 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3069
3070         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3071         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3072         (honor_protect_cleanup_actions, lower_try_finally_switch):
3073         Likewise.
3074         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3075         ifc_temp_var): Likewise.
3076         * tree-inline.c (setup_one_parameter): Likewise.
3077         * tree-mudflap.c (mf_decl_cache_locals,
3078         mf_build_check_statement_for): Likewise.
3079         * tree-nested.c (init_tmp_var, save_tmp_var,
3080         finalize_nesting_tree_1): Likewise.
3081         * tree-outof-ssa.c (insert_copy_on_edge,
3082         insert_backedge_copies): Likewise.
3083         * tree-profile.c (tree_gen_edge_profiler,
3084         tree_gen_ic_profiler): Likewise.
3085         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3086         * tree-sra.c (sra_build_assignment): Likewise.
3087         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3088         * tree-ssa-math-opts.c (insert_reciprocals,
3089         execute_cse_sincos_1): Likewise.
3090         * tree-tailcall.c (adjust_accumulator_values,
3091         adjust_return_value): Likewise.
3092         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3093         * tree-vect-transform.c (vect_create_data_ref_ptr,
3094         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3095         vect_create_epilog_for_reduction, vectorizable_reduction,
3096         vectorizable_call, vectorizable_conversion,
3097         vectorizable_assignment, vectorizable_operation,
3098         vectorizable_type_demotion, vect_gen_widened_results_half,
3099         vect_permute_store_chain, vectorizable_store,
3100         vect_setup_realignment, vect_permute_load_chain,
3101         vectorizable_load, vectorizable_condition,
3102         vect_create_cond_for_align_checks): Likewise.
3103         * tree-vrp.c (build_assert_expr_for): Likewise.
3104
3105 2007-03-08  Ian Lance Taylor  <iant@google.com>
3106
3107         * tree-vrp.c: Include "intl.h".
3108         (usable_range_p): New static function.
3109         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3110         overflowed values, juts set *strict_overflow_p.
3111         (compare_values): Only return -2 if one of the operands is not a
3112         constant.
3113         (compare_ranges): Call usable_range_p.
3114         (compare_range_with_value): Likewise.
3115         (vrp_evaluate_conditional_warnv): Rename from
3116         vrp_evaluate_conditional.  Make static.  Change all callers.
3117         (vrp_evaluate_conditional): New function.
3118         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3119         on signed overflow.
3120         (simplify_abs_using_ranges): Likewise.
3121         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3122         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3123         within_stmt parameter.
3124         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3125         vrp_evaluate_conditional.
3126         * tree-ssa-threadedge.c
3127         (record_temporary_equivalences_from_stmts_at_dest): Change
3128         simplify parameter to take a second tree parameter.
3129         (simplify_control_stmt_condition): Likewise.
3130         (thread_across_edge): Likewise.
3131         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3132         (thread_across_edge): Likewise.
3133         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3134
3135 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3136
3137         * config/i386/i386.h (TARGET_SAHF): New define.
3138         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3139         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3140         (x86_sahf): New global variable.
3141         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3142         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3143         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3144         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3145         for 64-bit.
3146         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3147         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3148         when expanding fcomi/sahf based tests.
3149         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3150         expanding sahf based alternative. Emit sahf based sequence when
3151         optimizing for code size.
3152         * config/i386/i386.md (x86_sahf_1): Do not disable for
3153         TARGET_64BIT, enable for TARGET_SAHF.
3154
3155 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3156
3157         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3158         spurious whitespace from error message.
3159
3160 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3161
3162         PR c++/30852
3163         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3164
3165 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3166
3167         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3168         bitfields.
3169         * tree-sra.c (instantiate_element): Propagate disabled warnings
3170         from the element itself to the created variable.
3171
3172 2007-03-07  Richard Henderson  <rth@redhat.com>
3173
3174         PR target/30848
3175         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3176         silently fix up the stack in the case of a missing register.
3177
3178 2007-03-07  Paul Brook  <paul@codesourcery.com>
3179
3180         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3181
3182 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3183
3184         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3185         New.
3186         (phase1_vrs): Use them.
3187         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3188         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3189         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3190         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3191         __gnu_Unwind_Restore_WMMXC if required.
3192         (_Unwind_VRS_Pop): Implement iWMMXt support.
3193         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3194         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3195         gnu_Unwind_Save_WMMXC): Define.
3196
3197 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3198
3199         * config/vxworks.h (vxworks_override_options): Declare.
3200         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3201         * config/vxworks.c: Include target.h and toplev.h.
3202         (vxworks_override_options): New function.
3203         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3204
3205 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3206
3207         * config/s390/s390.c (override_options): Don't emit an error when
3208         -mstack-size is used without providing -mstack-guard.
3209         (s390_emit_prologue): Choose stack_guard value automatically if not
3210         provided via command line.
3211         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3212
3213 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3214
3215         * config/i386/i386.c (output_set_got): Add a GOT initialization
3216         sequence for VxWorks PIC.
3217         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3218         around labels as well as symbols.  Use gotoff_operand instead
3219         of local_symbolic_operand.
3220         (legitimize_pic_address): Use gotoff_operand instead of
3221         local_symbolic_operand.  Use @GOT accesses for labels as
3222         well as symbols.
3223         (ix86_output_addr_diff_elt): Use PC-relative rather than
3224         GP-relative offsets for VxWorks PIC.
3225         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3226         no_new_pseudos.  Check whether the returned register is op0.
3227         * config/i386/i386.md (tablejump): Use PC-relative rather than
3228         GP-relative offsets for VxWorks PIC.
3229         * config/i386/predicates.md (gotoff_operand): New predicate.
3230
3231 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3232
3233         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3234         before defining.
3235         * config/vxworks-dummy.h: New file.
3236         * config/i386/i386.h: Include it.
3237
3238 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3239
3240         * dwarf2out.c (is_inlined_entry_point): New
3241         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3242         DW_AT_ranges if the first subblock is the entry point.
3243
3244 2007-03-06  David Daney  <ddaney@avtrex.com>
3245
3246         * doc/install.texi (mips-*-*): Change recommended binutils
3247         version.
3248
3249 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3250
3251         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3252         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3253         devices.
3254         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3255         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3256
3257 2007-03-06  Jan Hubicka  <jh@suse.cz>
3258
3259         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3260         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3261         are hot.
3262         (probably_cold_bb_p): Cold functions are cold.
3263         (probably_never_executed_bb_p): Cold functions are cold.
3264         (tree_bb_level_predictions): Predict calls to cold functions as not
3265         taken.
3266         (compute_function_frequency): Check hot/cold attributes.
3267         * function.h (function_frequency): Update comments.
3268         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3269         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3270         (c_common_att): Add cold and hot.
3271
3272         * doc/extend.texi (hot,cold attributes): Document.
3273
3274 2007-03-06  Andrew Haley  <aph@redhat.com>
3275
3276         * function.c (expand_function_end): Move blockage to just after we
3277         emit the label for the naked return from the function.
3278
3279 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3280
3281         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3282         before redefining.
3283
3284 2007-03-06  Jan Hubicka  <jh@suse.cz>
3285
3286         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3287         loaded for constant large models.  Non-large 64bit PIC can do.
3288         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3289         * cmodel.h: Add LARGE PIC.
3290         * i386.md (UNSPEC_PLTOFF): New.
3291         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3292         needed.
3293         (*call_1_rex64): Disable for large models.
3294         (*call_1_rex64_large): New.
3295         (*call_value_1_rex64): Disable for large models.
3296         (*call_value_1_rex64_large): New.
3297         (set_rip_rex4): New.
3298         (set_got_offset_rex64): New.
3299         * predicates.md (constant_call_address_operand): For large model
3300         constant calls are not possible.
3301         * i386-protos.h (construct_plt_address): Declare.
3302         * i386.c (override_options): Accept large models.
3303         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3304         (legitimate_constant_p): Add new UNSPECs.
3305         (legitimate_pic_operand_p): Likewise.
3306         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3307         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3308         non-large model.
3309         (output_pic_addr_const): Add PLTOFF.
3310         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3311         (ix86_expand_move): Legitimize pic address when in PIC mode.
3312         (construct_plt_address): New function.
3313         (ix86_expand_call): Offload the address to register and use GOT pointer
3314         for large model.
3315         * invoke.texi (mcmodel=large): Update documentation.
3316
3317 2007-03-06  Richard Henderson  <rth@redhat.com>
3318
3319         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3320         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3321         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3322         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3323         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3324         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3325         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3326         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3327         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3328         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3329         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3330         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3331         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3332         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3333         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3334         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3335         x86_schedule, x86_use_bt, x86_pad_returns,
3336         x86_use_xchgb): Merge into ...
3337         (ix86_tune_features): ... here.  New array.
3338         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3339         x86_bswap): Merge into ...
3340         (ix86_arch_features): ... here.  New array.
3341         (x86_3dnow_a): Remove.
3342         (x86_accumulate_outgoing_args): Make static.
3343         (x86_arch_always_fancy_math_387): Make static.
3344         (ix86_tune_mask, ix86_arch_mask): Move ...
3345         (override_options): ... to local variables here.  Apply the
3346         appropriate mask to each element of ix86_arch_features and
3347         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3348         as were done in the old macros.
3349         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3350         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3351         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3352         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3353         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3354         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3355         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3356         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3357         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3358         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3359         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3360         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3361         x86_accumulate_outgoing_args, x86_prologue_using_move,
3362         x86_epilogue_using_move, x86_decompose_lea,
3363         x86_arch_always_fancy_math_387, x86_shift1,
3364         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3365         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3366         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3367         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3368         x86_use_incdec, x86_pad_returns, x86_bswap,
3369         x86_partial_flag_reg_stall): Remove.
3370         (enum ix86_tune_indices): New.
3371         (ix86_tune_features): New.
3372         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3373         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3374         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3375         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3376         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3377         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3378         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3379         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3380         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3381         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3382         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3383         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3384         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3385         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3386         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3387         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3388         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3389         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3390         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3391         TARGET_EXT_80387_CONSTANTS): Use it.
3392         (enum ix86_arch_indices): New.
3393         (ix86_arch_features): New.
3394         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3395         TARGET_BSWAP): Use it.
3396         (ix86_tune_mask, ix86_arch_mask): Remove.
3397
3398 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3399
3400         PR bootstrap/31020
3401         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3402         Define using $${sysroot_headers_suffix}.
3403         * configure: Regenerate.
3404         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3405         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3406         defined.
3407         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3408         * gcc.c (print_sysroot_headers_suffix): New.
3409         (option_map): Include --print-sysroot-headers-suffix.
3410         (display_help): Mention -print-sysroot-headers-suffix.
3411         (process_command): Handle -print-sysroot-headers-suffix.
3412         (do_spec_1): Append multilib directory to include-fixed path if
3413         sysroot suffixes in use.
3414         (main): Handle -print-sysroot-headers-suffix.
3415         * Makefile.in (start.encap): Don't depend on xlimits.h
3416         (xlimits.h): Remove.
3417         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3418         limits.h for each multilib in fixinc_list.
3419         (fixinc_list, s-fixinc_list): New.
3420         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3421         generate them for each multilib in fixinc_list.
3422         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3423         multilib in fixinc_list.
3424         (mostlyclean): Don't remove xlimits.h.
3425         (clean): Remove include-fixed.
3426         (real-install-headers-tar, real-install-headers-cpio,
3427         real-install-headers-cp): Don't copy include, only include-fixed.
3428         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3429         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3430         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3431         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3432
3433 2007-03-06  Jan Hubicka  <jh@suse.cz>
3434
3435         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3436         NANs easilly.
3437
3438 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3439
3440         * configure.ac: Allow tm_file to contain build-directory files.
3441         * configure: Regenerate.
3442         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3443         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3444         * config/m68k/print-sysroot-suffix.sh: New file.
3445
3446 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3447
3448         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3449         of pic_offset_table_rtx if reload_completed.
3450         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3451         PIC_OFFSET_TABLE_REGNUM.
3452         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3453         return true.
3454         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3455         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3456
3457 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3458
3459         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3460         functions that call eh_return.
3461
3462 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3463
3464         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3465         functions that need a constant pool.
3466
3467 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3468
3469         PR target/28181
3470         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3471         (m68k_preferred_reload_class): Likewise.
3472         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3473         (SECONDARY_RELOAD_CLASS): Define.
3474         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3475         (LIMIT_RELOAD_CLASS): Delete.
3476         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3477         registers from storing bytes.
3478         (m68k_secondary_reload_class): New function.
3479         (m68k_preferred_reload_class): Likewise.
3480
3481 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3482
3483         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3484         leaf functions.
3485         (m68k_expand_prologue): Likewise.
3486
3487 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3488
3489         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3490         (mips_expand_epilogue): Add a bool parameter.
3491         (m68k_legitimize_sibcall_address): Declare.
3492         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3493         (m68k_expand_epilogue): Add a parameter to select between sibling
3494         and normal epilogues.  Only generate a return for the latter.
3495         (m68k_ok_for_sibcall_p): New function.
3496         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3497         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3498         (sibcall_value, *sibcall_value): Likewise.
3499         (*call, *call_value): Require !SIBLING_CALL_P.
3500         (epilogue): Update call to m68k_expand_epilogue.
3501         (sibcall_epilogue): New pattern.
3502         * config/m68k/predicates.md (const_call_operand): Say that this
3503         predicate applies to sibling calls too.
3504         (sibcall_operand): New predicate.
3505
3506 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3507
3508         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3509         alternatives as movsi_cf.
3510         (movsf_cf_hard): Add commentary.
3511
3512 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3513             Richard Sandiford  <richard@codesourcery.com>
3514
3515         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3516         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3517         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3518         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3519         as being live on exit from an interrupt function.
3520         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3521         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3522         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3523         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3524         (m68k_interrupt_function_p): Globalize.
3525         (m68k_compute_frame_layout): Remove reverse mask code.
3526         (m68k_emit_movem, m68k_set_frame_related): New functions.
3527         (m68k_output_function_prologue): Delete in favor of...
3528         (m68k_expand_prologue): ...this new function.
3529         (m68k_output_function_epilogue): Delete in favor of...
3530         (m68k_expand_epilogue): ...this new function.
3531         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3532         functions.
3533         (print_operand): Handle %?.
3534         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3535         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3536         (prologue, epilogue): New patterns.
3537         (return): Turn into a define_expand.
3538         (*return): New pattern, derived from old "return" pattern.  Use rte
3539         rather than rts for interrupt functions.  Only use rtd if the pop
3540         count is nonzero.
3541         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3542         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3543         (link, *link, unlink, *unlink, load_got): Likewise.
3544
3545 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3546
3547         PR target/23482
3548         PR target/17114
3549         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3550         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3551         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3552         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3553         and m68k_matches_u_p.
3554         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3555         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3556         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3557         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3558         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3559         (REG_STRICT_P): New macro.
3560         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3561         PCREL_GENERAL_OPERAND_OK.
3562         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3563         m68k_legitimate_base_reg_p.
3564         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3565         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3566         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3567         * config/m68k/m68k.c (m68k_address): New structure.
3568         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3569         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3570         (m68k_jump_table_ref_p, m68k_decompose_address)
3571         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3572         (m68k_matches_u_p): New functions.
3573         (print_operand_address): Rewrite to use m68k_decompose_index.
3574
3575 2007-03-05  David Taylor  <dtaylor@emc.com>
3576
3577         * gcc.c: Correct copyright date in --version output.
3578
3579 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3580
3581         * pa.md: In unamed move patterns, disparge copies between general
3582         and floating point registers using '?' modifier.  Don't include 'f'
3583         constraint for register preferences in DImode, SImode, HImode and
3584         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3585         Remove constraints for copies between general and floating registers
3586         in soft-float DFmode pattern.
3587         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3588         floating register.
3589         (movsf): Likewise.
3590
3591 2007-03-05  Mike Stump  <mrs@apple.com>
3592
3593         * c-common.c (targetcm): Add.
3594         * c-opts.c (c_common_handle_option): Handle language specific
3595         target options.
3596         * opts.c (handle_option): Verify language for target options, if
3597         any are given.
3598         * opth-gen.awk: Add CL_LANG_ALL.
3599         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3600         (TARGETCM_INITIALIZER): Add.
3601         * target.h (struct gcc_targetcm): Add.
3602         (targetcm): Add.
3603         * targhooks.c (default_handle_c_option): Add.
3604         * targhooks.h (default_handle_c_option): Add.
3605         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3606
3607         * config/darwin.opt (iframework): Add.
3608         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3609         * config/darwin-c.c (handle_c_option): Add.
3610         (TARGET_HANDLE_C_OPTION): Add.
3611         (targetcm): Add.
3612         * doc/invoke.texi (Darwin Options): Add -iframework.
3613
3614 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3615
3616         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3617         conversion.
3618
3619 2007-03-05  Ian Lance Taylor  <iant@google.com>
3620
3621         * c.opt (fgnu89-inline): New option.
3622         * c-opts.c (c_common_post_options): Set default value for
3623         flag_gnu89_inline.
3624         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3625         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3626         inline functions.
3627         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3628         (grokdeclarator, start_function): Likewise.
3629         * c-cppbuiltin.c (c_cpp_builtins): Define either
3630         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3631         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3632         (C Dialect Options): Document -fgnu89-inline.
3633         * doc/extend.texi (Function Attributes): Explain what the
3634         gnu_inline attribute does.
3635         * doc/cpp.texi (Common Predefined Macros): Document
3636         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3637
3638 2007-03-05  Ian Lance Taylor  <iant@google.com>
3639
3640         PR tree-optimization/31034
3641         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3642         half-range if the other side is an overflow infinity.
3643
3644 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3645
3646         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3647         (bfin*-linux-uclibc*): New configuration.
3648         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3649         defining.
3650         * config/bfin/linux.h: New file.
3651         * config/bfin/libgcc-bfin.ver: New file.
3652         * config/bfin/t-bfin-uclinux: New file.
3653         * config/bfin/t-bfin-linux: New file.
3654         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3655         (TARGET_OS_CPP_BUILTINS): New macro.
3656
3657 2007-03-05  Richard Guenther  <rguenther@suse.de>
3658
3659         * fold-const.c (fold_binary): Remove duplicate folding
3660         of comparison of non-null ADDR_EXPR against null.
3661
3662 2007-03-05  Richard Guenther  <rguenther@suse.de>
3663             Dorit Nuzman  <dorit@il.ibm.com>
3664
3665         PR tree-optimization/26420
3666         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3667         are no loops in the function.  Only print the number of
3668         vectorized loops if it is greater than zero or we are supposed
3669         to print information about unvectorized loops.
3670
3671 2007-03-05  Revital Eres  <eres@il.ibm.com>
3672
3673         * gcc.dg/var-expand1.c: New test.
3674         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3675         when an accumulator is expanded.
3676
3677 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3678
3679         PR other/30465
3680         * c-common.c (convert_and_check): Don't give warnings for
3681         conversion if 'expr' already overflowed.
3682
3683 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3684
3685         PR middle-end/30744
3686         * fold-const.c (fold_comparison): Enforce type consistency when
3687         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3688
3689 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3690
3691         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3692         containing a cast to the base of TARGET_MEM_REF.
3693
3694 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3695
3696         * tree.c (tree_contains_struct_check_failed): Remove spurious
3697         whitespace from error message.
3698
3699 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3700
3701         PR target/30406
3702         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3703         instead of precision.
3704
3705 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3706             Nathan Sidwell  <nathan@codesourcery.com>
3707
3708         * emit-rtl.c (find_auto_inc): New.
3709         (try_split): recreate REG_INC notes,
3710         Use regular for loops rather than whiles.
3711
3712 2007-03-03  Andreas Schwab  <schwab@suse.de>
3713
3714         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3715         * configure: Regenerate.
3716
3717 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3718
3719         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3720         flag_rounding_math, not flag_unsafe_math_optimizations.
3721
3722         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3723         fold_build2.
3724         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3725         alpha_fold_vector_minmax): Likewise.
3726         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3727         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3728
3729 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3730
3731         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3732         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3733         if the lhs has side-effects.
3734         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3735
3736 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3737
3738         * config/i386/i386.h (TUNEMASK): Remove define.
3739         (ARCHMASK): Remove define.
3740         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3741          Use ix86_arch_mask variable instead of ARCHMASK.
3742         * config/i386/i386.c (override_options): Ditto.
3743         (standard_80387_constant_p): Ditto.
3744
3745 2007-03-02  Ian Lance Taylor  <iant@google.com>
3746
3747         Used signed infinities in VRP.
3748         * tree-vrp.c (uses_overflow_infinity): New static function.
3749         (supports_overflow_infinity): New static function.
3750         (make_overflow_infinity): New static function.
3751         (negative_overflow_infinity): New static function.
3752         (positive_overflow_infinity): New static function.
3753         (is_negative_overflow_infinity): New static function.
3754         (is_positive_overflow_infinity): New static function.
3755         (is_overflow_infinity): New static function.
3756         (overflow_infinity_range_p): New static function.
3757         (compare_values_warnv): New function split out of compare_values.
3758         (compare_value): Call it.
3759         (set_value_range_to_nonnegative): Add overflow_infinity
3760         parameter.  Change caller.
3761         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3762         Change callers.
3763         (vrp_expr_computes_nonzero): Likewise.
3764         (compare_ranges, compare_range_with_value): Likewise.
3765         (compare_name_with_value, compare_names): Likewise.
3766         (vrp_evaluate_conditional): Likewise.
3767         (set_value_range): Handle infinity
3768         (vrp_operand_equal_p, operand_less_p): Likewise.
3769         (extract_range_from_assert): Likewise.
3770         (vrp_int_const_binop): Likewise.
3771         (extract_range_from_binary_expr): Likewise.
3772         (extract_range_from_unary_expr): Likewise.
3773         (extract_range_from_comparison): Likewise.
3774         (extract_range_from_expr): Likewise.
3775         (dump_value_range): Likewise.
3776         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3777         (test_for_singularity): Likewise.
3778         (vrp_int_const_binop): Remove inline qualifier.
3779         (adjust_range_with_scev): Add comment.
3780         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3781
3782 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3783
3784         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3785         (get_constraint_for): Likewise.
3786         (do_structure_copy): Likewise.
3787         (find_func_aliases): Fix references to MODIFY_EXPR.
3788         (intra_create_variable_infos): Tidy.
3789         * tree-ssa-operands.c (add_virtual_operand): Add argument
3790         IS_CALL_SITE.
3791         When adding members of alias sets, if IS_CALL_SITE is true and
3792         the symbol is not call-clobbered, skip it.
3793         Adjust all callers.
3794
3795 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3796
3797         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3798         entry by means of emit_insn_at_entry.
3799
3800 2007-03-02  Richard Henderson  <rth@redhat.com>
3801
3802         * expr.h (promoted_input_arg): Remove decl.
3803         * function.c (promoted_input_arg): Merge into ...
3804         * combine.c (setup_incoming_promotions): ... only caller.
3805         Rearrange to avoid double loop.
3806
3807 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3808             Peter Bergner  <bergner@vnet.ibm.com>
3809             Janis Johnson  <janis187@us.ibm.com>
3810
3811         * config/rs6000/dfp.md: New file.
3812         * config/rs6000/rs6000.md: Include dfp.md.
3813         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3814         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3815         and TDmode decimal float modes in FP registers.
3816         (num_insns_constant): Likewise.
3817         (rs6000_legitimate_offset_address_p): Likewise.
3818         (rs6000_legitimize_address): Likewise.
3819         (rs6000_legitimize_reload_address): Likewise.
3820         (rs6000_legitimate_address): Likewise.
3821         (rs6000_emit_move): Likewise.
3822         (function_arg_boundary): Likewise.
3823         (function_arg_advance): Likewise.
3824         (rs6000_darwin64_record_arg_recurse): Likewise.
3825         (function_arg): Likewise.
3826         (rs6000_gimplify_va_arg): Likewise.
3827         (rs6000_split_multireg_move): Likewise.
3828         (rs6000_output_function_epilogue): Likewise.
3829         (rs6000_output_function_epilogue): Likewise.
3830         (rs6000_register_move_cost): Likewise.
3831         (rs6000_function_value): Likewise.
3832         (rs6000_libcall_value): Likewise.
3833
3834 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3835
3836         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3837
3838 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3839
3840         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3841         Use $MULTIDIR to choose between the kernel and RTP headers,
3842         and use $WIND_BASE and $WIND_USR to locate them.
3843
3844 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3845
3846         * config/i386/i386.c (override_options): Put initialization of
3847         ix86_tune_mask and ix86_arch_mask to the correct place.
3848
3849 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3850             Michael Meissner  <michael.meissner@amd.com>
3851
3852         PR target/31019
3853         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3854         (ARCHMASK): Define.
3855         (TARGET_CMOVE): Use ARCHMASK.
3856         (TARGET_CMPXCHG): Ditto.
3857         (TARGET_CMPXCHG8B): Ditto.
3858         (TARGET_XADD): Ditto.
3859         (TARGET_BSWAP): Ditto.
3860         * config/i386/i386.c (ix86_tune_mask): New global variable.
3861         (ix86_arch_mask): Ditto.
3862         (override_options): Initialize ix86_tune_mask and
3863         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3864         target_flags.
3865
3866 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3867
3868         PR 30992
3869         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3870
3871 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3872
3873         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3874         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3875         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3876         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3877         hook.
3878         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3879         rs6000_init_dwarf_reg_sizes_extra): New.
3880         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3881         SPE register high parts.
3882
3883 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3884
3885         * Makefile.in: Add install-pdf target as
3886         copied from automake v1.10 rules.
3887         * configure.ac: Add install-pdf to target list.
3888         * configure: Regenerate.
3889
3890 2007-03-01  Paul Brook  <paul@codesourcery.com>
3891
3892         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3893         modes to LDRD for DImode.
3894         (output_move_double): Fixup out of range ldrd/strd.
3895         (vfp_secondary_reload_class): Rename...
3896         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3897         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3898         coproc_secondary_reload_class for CLASS_IWMMXT.
3899         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3900         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3901
3902 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3903
3904         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3905         factor by the estimated number of iterations.
3906         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3907         prefetch latency.
3908
3909         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3910         decode_caches_intel, detect_caches_intel): New functions.
3911         (host_detect_local_cpu): Use detect_caches_amd and
3912         detect_caches_intel.
3913
3914 2007-03-01  Richard Henderson  <rth@redhat.com>
3915
3916         * expr.c (emit_move_complex_push): Export.
3917         (emit_move_complex_parts): Split out from ...
3918         (emit_move_complex): ... here.
3919         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3920         * config/i386/i386.md (movcdi): New.
3921
3922 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3923
3924         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3925         size of mode1 to check for tieable modes in MMX case.
3926
3927 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3928
3929         * Makefile.in (rtlanal.o): Depend on tree.h.
3930         * rtl.h (offset_within_section_p, split_const): Declare.
3931         * rtlanal.c: Include tree.h.
3932         (offset_within_block_p): New function, taken from
3933         mips_offset_within_object_p.
3934         (split_const): New function, taken from mips_split_const.
3935         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3936         Declare.
3937         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3938         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3939         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3940         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3941         (m68k_illegitimate_symbolic_constant_p): New function.
3942         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3943         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3944         symbolic constant that might be outside the symbol's section,
3945         move the symbol first and then add the offset.
3946         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3947         Override.
3948         * config/mips/mips.c (mips_split_const): Delete.
3949         (mips_offset_within_object_p): Delete.
3950         (mips_symbolic_constant_p): Use offset_within_section_p and
3951         split_const instead of mips_offset_within_object_p and
3952         mips_split_const.
3953         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3954         (mips_legitimize_const_move, print_operand_reloc)
3955         (mips_dangerous_for_la25_p): Use split_const instead of
3956         mips_split_const.
3957
3958 2007-02-28  Eric Christopher  <echristo@apple.com>
3959
3960         * Makefile.in (install-include-dir): Don't rm -rf include.
3961
3962 2007-02-28  Richard Guenther  <rguenther@suse.de>
3963
3964         PR middle-end/30364
3965         * fold-const.c (fold_binary): Do not associate expressions
3966         with more than one variable for integer types that do not wrap.
3967
3968 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3969
3970         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3971         Delete, and replace with...
3972         (fold_builtin_call_array): This.  Update callers to use it.
3973         * fold-const.c (fold_build_call_list): Delete, and replace with...
3974         (fold_build_call_array): This.
3975         (fold_build_call_list_initializer): Delete, and replace with...
3976         (fold_build_call_array_initializer): This.
3977         * tree.h: Update declarations to reflect above changes.
3978
3979         * c-typeck.c (build_function_call): Store converted arguments
3980         in a stack-allocated array instead of building a list.
3981         (convert_arguments): Store arguments in the array passed in as an
3982         argument, and return the actual number of arguments.
3983         * c-format.c: (check_function_format): Pass arguments in an
3984         array instead of a list.
3985         * c-common.c (check_function_nonnull): Likewise.
3986         (check_function_sentinel): Likewise.
3987         (check_function_arguments): Likewise.
3988         * c-common.h: Update declarations to reflect above changes.
3989
3990 2007-02-28  Jan Hubicka  <jh@suse.cz>
3991
3992         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3993         PRED_NEGATIVE_RETURN): Update outcomes.
3994
3995 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3996
3997         * calls.c (emit_library_call_value_1): Handle partial registers
3998         correctly when building up CALL_INSN_FUNCTION_USAGE.
3999
4000 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4001
4002         * pa/predicates.md (move_src_operand): Allow zero for mode.
4003         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4004         move pattern.
4005
4006 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4007
4008         PR target/30970
4009         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4010         *movv2df_internal): Enable pattern only for valid operand
4011         combinations.
4012         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4013         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4014
4015 2007-02-27  Mike Stump  <mrs@apple.com>
4016
4017         * config/darwin-crt3.c: Avoid compilation when compiling for a
4018         kext multilib.
4019
4020 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4021
4022         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4023         FIXED_INCLUDE_DIR.
4024         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4025         for fixed headers and limits.h.
4026         (install-include-dir, install-headers-tar, install-headers-cpio,
4027         install-headers-cp, real-install-headers-tar,
4028         real-install-headers-cpio, real-install-headers-cp): Handle
4029         include-fixed as well as include.
4030         (install-mkheaders): Don't install files that go only in include
4031         not include-fixed.
4032         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4033         from GCC_INCLUDE_DIR.
4034         * gcc.c (process_command): Remove special -BstageN/ handling.
4035         (do_spec_1): Add include-fixed directories.
4036
4037 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4038
4039         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4040         _smulsi3_highpart.
4041         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4042         New functions.
4043         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4044         patterns.
4045
4046 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4047
4048         * c-common.c (get_priority): Add check for
4049         SUPPORTS_INIT_PRIORITY.
4050
4051 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4052
4053         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4054
4055         * config/bfin/bfin.c: Include "cfglayout.h".
4056         (MAX_LSETUP_DISTANCE): New macro.
4057         (struct loop_info): New members incoming, incoming_src and
4058         incoming_dest.  Delete member predecessor.
4059         (length_for_loop): New function.
4060         (bfin_optimize_loop): Handle more different loop structures.
4061         (bfin_discover_loop): Rework detection of predecessor blocks by
4062         examining incoming edges.
4063         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4064         bfin_reorg_loops.
4065         (bfin_reorder_loops): New function.
4066         (bfin_reorg_loops): Use these three new functions.
4067
4068         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4069         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4070         (CONSTRAINT_LEN): Add entry for 'q'.
4071         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4072         Add 'q' constraints.
4073         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4074         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4075
4076         * config/bfin/bfin.md (add_with_carry): New pattern.
4077         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4078         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4079         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4080         support unsigned multiplies too.  Removed incorrect commutativity from
4081         operand 1 constraint where appropriate.
4082         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4083         patterns.
4084         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4085         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4086         New patterns.
4087         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4088         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4089         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4090         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4091         usmulhisi_hh_huh): New patterns.
4092
4093         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4094         lshifthi3): Fix output template to use half reg for operand 2.
4095
4096         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4097         instead of R2.
4098
4099         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4100
4101 2007-02-27  Andreas Schwab  <schwab@suse.de>
4102
4103         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4104
4105 2007-02-27  Jan Hubicka  <jh@suse.cz>
4106
4107         * predict.c (last_basic_block_p): Remove.
4108         (tree_estimate_probability): Update return heuristic for commonized
4109         return blocks.
4110
4111 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4112
4113         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4114
4115 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4116
4117         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4118         * doc/cpp.texi: Standardize title page.
4119         * doc/cppinternals.texi: Likewise.
4120         * doc/gcc.texi: Standardize title page, remove version number
4121         from copyright page.
4122         * doc/gccint.texi: Likewise.
4123         * doc/install.texi: Standardize title page, add table of
4124         contents.
4125
4126 2007-02-26  Jan Hubicka  <jh@suse.cz>
4127
4128         * predict.def: Set outcomes according to more recent results.
4129         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4130         Remove dead predictors.
4131         * predict.c (return_prediction): Fix pasto.
4132
4133 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4134
4135         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4136         change; avoid a memory leak when returning early.
4137
4138 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4139
4140         * c-decl.c (static_ctors): Move to c-common.c.
4141         (static_dtors): Likewise.
4142         (finish_function): Use c_record_cdtor_fn.
4143         (build_cdtor): Move to c-common.c.
4144         (c_write_global_declarations): Use c_build_cdtor_fns.
4145         * c-common.h (static_ctors): Declare.
4146         (static_dtors): Likewise.
4147         (c_record_cdtor_fn): Likewise.
4148         (c_build_cdtor_fns): Likewise.
4149         * c-common.c (static_ctors): New variable.
4150         (static_dtors): Likewise.
4151         (c_record_cdtor_fn): New function.
4152         (build_cdtor): Move from c-decl.c
4153         (c_build_cdtor_fns): New function.
4154
4155         * output.h (assemble_addr_to_section): Declare.
4156         (get_cdtor_priority_section): Likewise.
4157         * varasm.c (assemble_addr_to_section): New function.
4158         (get_cdtor_priority_section): Likewise.
4159         (default_named_section_asm_out_destructor): Use them.
4160         (destor_dtor_section_asm_out_destructor): Likewise.
4161         (default_named_section_asm_out_constructor): Likewise.
4162         (default_ctor_section_asm_out_constructor): Likewise.
4163         * config.gcc (*-*-vxworks*): Include vxworks.o.
4164         * config/t-vxworks (vxworks.o): New target.
4165         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4166         (TARGET_ASM_CONSTRUCTOR): Define.
4167         (TARGET_ASM_DESTRUCTOR): Likewise.
4168         (vxworks_asm_out_constructor): Declare.
4169         (vxworks_asm_out_destructor): Likewise.
4170
4171         * c-common.c (get_priority): Check that we have not just an
4172         INTEGER_CST, but an integer constant with integeral type.
4173
4174 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4175
4176         PR tree-optimization/30938
4177         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4178         use &dt[nargs-1] instead of &dt[nargs] in the call to
4179         vect_is_simple_use().
4180
4181 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4182
4183         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4184         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4185         Do not attempt to handle MEM inside auto-inc expressions.
4186         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4187         of a register modified by an auto-inc expression.  However, do handle
4188         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4189         (elimination_effects): Prohibit elimination of a register modified
4190         by an auto-inc expression.  Disable register elimination rules whose
4191         target register is modified by an auto-inc expression with variable
4192         increment.
4193
4194 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4195
4196         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4197         off-by-one error.
4198         (array_at_struct_end_p): New function.
4199         (idx_infer_loop_bounds): Use it.
4200         (estimate_numbers_of_iterations_loop): Export.
4201         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4202         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4203         (tree_estimate_probability): Call record_loop_exits.
4204         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4205         (estimated_loop_iterations, estimated_loop_iterations_int,
4206         estimated_loop_iterations_tree): New functions.
4207         (analyze_siv_subscript_cst_affine,
4208         compute_overlap_steps_for_affine_1_2,
4209         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4210         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4211         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4212         (PRED_LOOP_ITERATIONS_GUESSED): New.
4213         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4214         * cfgloop.h (estimate_numbers_of_iterations_loop,
4215         estimated_loop_iterations_int): Declare.
4216
4217 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4218
4219         * doc/extend.texi: Document optional priority argument to
4220         constructors and destructors.
4221         * tree.c (init_priority_for_decl): Adjust GTY markers.
4222         (init_ttree): Use priority-info hash functions for
4223         init_priority_for_decl.
4224         (tree_map_eq): Rename to ...
4225         (tree_map_base_eq): ... this.
4226         (tree_map_marked_p): Rename to ...
4227         (tree_map_base_marked_p): ... this.
4228         (tree_map_base_hash): New function.
4229         (decl_init_priority_lookup): Rework.
4230         (decl_fini_priority_lookup): New function.
4231         (decl_priority_info): New function.
4232         (decl_init_priority_insert): Use it.
4233         (decl_fini_priority_insert): Likewise.
4234         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4235         hierarchy.
4236         (decl_restrict_base_insert): Likewise.
4237         (decl_debug_expr_insert): Likewise.
4238         (decl_value_expr_lookup): Likewise.
4239         (decl_value_expr_insert): Likewise.
4240         * tree.h (priority_type): New type.
4241         (decl_init_priority_lookup): Use priority_type.
4242         (decl_fini_priority_lookup): New function.
4243         (decl_init_priority_insert): Use priority_type.
4244         (decl_fini_priority_insert): New function.
4245         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4246         (DECL_INIT_PRIORITY): Likewise.
4247         (SET_DECL_INIT_PRIORITY): Add comment.
4248         (DECL_FINI_PRIORITY): New macro.
4249         (SET_DECL_FINI_PRIORITY): Likewise.
4250         (DEFAULT_INIT_PRIORITY): Document.
4251         (MAX_INIT_PRIORITY): Likewise.
4252         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4253         (tree_map_base): New type.
4254         (tree_map_base_eq): New function.
4255         (tree_map_base_hash): Likewise.
4256         (tree_map_base_marked_p): Likewise.
4257         (tree_map): Inherit from tree_map_base.
4258         (tree_map_eq): Make it a macro.
4259         (tree_map_marked_p): Likewise.
4260         (tree_int_map): Inherit from tree_map_base.
4261         (tree_int_map_eq): Make it a macro.
4262         (tree_int_map_hash): Likewise.
4263         (tree_int_map_marked_p): Likewise.
4264         (tree_priority_map): New type.
4265         (tree_priority_map_eq): New macro.
4266         (tree_priority_map_hash): Likewise.
4267         (tree_priority_map_marked_p): Likewise.
4268         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4269         hierarchy.
4270         (emutls_common_1): Likewise.
4271         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4272         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4273         of tree_map hierarchy.
4274         * tree-cfg.c (move_stmt_r): Likewise.
4275         (new_label_mapper): Likewise.
4276         * c-tree.h (c_expand_body): Move to ...
4277         * c-common.h (c_expand_body): ... here.
4278         * c-decl.c (c_expand_body): Move to ...
4279         * c-common.c (c_expand_body): ... here.
4280         (c_common_attribute_table): Allow 1 argument for the constructor
4281         and destructor attributes.
4282         (get_priority): New function.
4283         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4284         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4285
4286 2007-02-24  Jan Hubicka  <jh@suse.cz>
4287
4288         PR middle-end/30509
4289         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4290
4291 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4292             Jan Hubicka  <jh@suse.cz>
4293
4294         PR target/30778
4295         * i386.c (counter_mode): New function.
4296         (expand_set_or_movmem_via_loop): Use it.
4297         (expand_movmem_epilogue): Likewise; fix pasto.
4298         (ix86_expand_movmem): Do emit guard even for constant counts.
4299         (ix86_expand_setmem): Likewise.
4300
4301 2007-02-25  Nick Clifton  <nickc@redhat.com>
4302
4303         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4304         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4305
4306 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4307
4308         PR target/30770
4309         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4310         count argument with 0x10, not with 0x16.
4311         (expand_setmem_epilogue): Ditto.
4312
4313 2007-02-24  Mike Stump  <mrs@apple.com>
4314
4315         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4316         symbols.
4317
4318 2007-02-24  Richard Guenther  <rguenther@suse.de>
4319
4320         PR middle-end/30951
4321         * fold-const.c (fold_binary): Fold x +- CST op x for
4322         EQ_EXPR and NE_EXPR.
4323
4324 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4325
4326         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4327
4328 2007-02-24  Jan Hubicka  <jh@suse.cz>
4329
4330         * cgraphunit.c (decide_is_function_needed): Honor
4331         -fkeep-inline-functions.
4332
4333 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4334
4335         * builtins.c (fold_builtin_modf): New.
4336         (fold_builtin_2): Use it.
4337
4338 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4339
4340         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4341         (determine_max_iter): Take additional LOOP arg; all callers changed.
4342         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4343         one using simplifications.
4344         (simplify_using_initial_values): Return if the expression becomes
4345         invalid due to altered regs.
4346
4347 2007-02-23  DJ Delorie  <dj@redhat.com>
4348
4349         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4350
4351 2007-02-23  Mike Stump  <mrs@apple.com>
4352
4353         * tlink.c (scan_linker_output): Parse linker messages from
4354         darwin9's linker better.
4355
4356 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4357
4358         PR debug/29614
4359         * varpool.c (varpool_assemble_pending_decls):  Set
4360         varpool_last_needed_node to null.
4361
4362 2007-02-23  DJ Delorie  <dj@redhat.com>
4363
4364         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4365         alignment bigger than the object file can handle.
4366
4367 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4368
4369         PR target/30825
4370         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4371         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4372         (*movsf_1): Penalize MMX moves.
4373
4374 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4375
4376         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4377         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4378
4379         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4380
4381 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4382
4383         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4384         (fold_builtin_1): Use them.
4385         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4386         BUILT_IN_SIGNIFICAND.
4387
4388 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4389
4390         * config/i386/i386.c (bdesc_1arg): Initialize
4391         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4392         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4393         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4394         and IX86_BUILTIN_MOVSLDUP.
4395
4396 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4397
4398         PR rtl-optimization/30841
4399         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4400
4401 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4402
4403         * builtins.c (fold_builtin_frexp): New.
4404         (fold_builtin_2): Use it.
4405
4406 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4407
4408         * doc/invoke.texi (Spec Files): Document getenv spec function.
4409
4410         * gcc.c (getenv_spec_function): New function.
4411         (static_spec_functions): Add it.
4412         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4413         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4414         header files.
4415
4416 2007-02-22  Michael Matz  <matz@suse.de
4417
4418         PR c++/29433
4419         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4420         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4421
4422 2007-02-22  Ian Lance Taylor  <iant@google.com>
4423
4424         PR debug/30898
4425         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4426         (mem_loc_descriptor): Call it.
4427
4428 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4429             Ira Rosen  <irar@il.ibm.com>
4430
4431         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4432
4433 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4434
4435         PR tree-optimization/30843
4436         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4437         stores only after all the group is vectorized.
4438
4439 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4440
4441         PR tree-optimization/30858
4442         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4443         in the reduction cycle have a single use in the loop.
4444         * tree-vectorizer.h (relevant): Add documentation.
4445
4446 2007-02-20  Mike Stump  <mrs@apple.com>
4447
4448         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4449         * configure: Regenerate.
4450
4451 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4452
4453         Change the defaults of some parameters and options.
4454         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4455         * config/spu/spu.c (spu_optimization_options): Add.
4456         (spu_override_options): Change params in spu_optimization_options.
4457         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4458
4459         Register 127 is only 16 byte aligned when used as a frame pointer.
4460         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4461         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4462         HARD_FRAME_POINTER_REGNUM.
4463         (spu_legitimate_address):  Use regno_aligned_for_reload.
4464         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4465         aligned when frame_pointer_needed is true.
4466         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4467         to 8 bits.
4468         * config/spu/spu.h (INIT_EXPANDERS): Define.
4469
4470         Make sure shift and rotate instructions have valid immediate operands.
4471         * config/spu/predicates.md (spu_shift_operand): Remove.
4472         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4473         * config/spu/constraints.md (W, O): Extend range.
4474         * config/spu/spu.md (umask, nmask): Define.
4475         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4476         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4477         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4478         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4479         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4480         (lshr<mode>3_reg):  Fix rtl description.
4481
4482         Make sure mulhisi immediate operands are valid.
4483         * config/spu/predicates.md (imm_K_operand): Add.
4484         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4485
4486         Generate constants using fsmbi and andi.
4487         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4488         (print_operand, spu_split_immediate, classify_immediate,
4489         fsmbi_const_p): Handle IC_FSMBI2.
4490
4491         Correctly handle a CONST_VECTOR containing symbols.
4492         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4493         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4494         (immediate_load_p): Allow symbols that use 2 instructions to create.
4495         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4496         with symbols when flag_pic is set.
4497         (const_vector_immediate_p): New.
4498         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4499         accept a CONST_VECTOR with symbols.
4500         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4501         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4502         correctly.
4503         * config/spu/spu.md (high, low): Delete.
4504         (low_<mode>): Define.
4505
4506         Remove INTRmode and INTR_REGNUM, which didn't work.
4507         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4508         of INTR_REGNUM.
4509         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4510         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4511         peephole2 pattern): Don't use INTR or 131.
4512         (movintrcc): Delete.
4513         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4514         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4515         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4516         (UNSPEC_SET_INTR): Add.
4517         * config/spu/spu-modes.def (INTR): Remove.
4518
4519         More accurate warnings about run-time relocations.
4520         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4521
4522         Correctly warn about immediate arguments to specific intrinsics.
4523         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4524         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4525         the instruction predicate.
4526
4527         Fix tree check errors with latest update.
4528         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4529         CALL_EXPR_ARG.
4530         (spu_expand_builtin): Use CALL_EXPR_FN.
4531
4532         Add missing specific intrinsics.
4533         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4534         si_bislede.
4535         * config/spu/spu_internals.h: Ditto.
4536
4537         Fix incorrect operand modifiers.
4538         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4539         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4540
4541         Optimize one case of zero_extend of a vec_select.
4542         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4543
4544         Accept any immediate for hbr.
4545         * config/spu/spu.md (hbr):  Change s constraints to i.
4546
4547 2007-02-21  Paul Brook  <paul@codesourcery.com>
4548
4549         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4550         condexec_count when skipping USE and CLOBBER.
4551
4552 2007-02-21  Nick Clifton  <nickc@redhat.com>
4553
4554         * common.opt (Warray-bounds): Add Warning attribute.
4555         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4556         Likewise.
4557         (fsized-zeroes): Add Optimization attribute.
4558         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4559         * c.opt (Wc++0x-compat): Add Warning attribute.
4560
4561 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4562
4563         PR middle-end/30761
4564         * reload1.c (eliminate_regs_in_insn): In the single_set special
4565         case, attempt to re-recognize the insn before falling back to
4566         having reload fix it up.
4567
4568 2007-02-20  Eric Christopher  <echristo@gmail.com>
4569
4570         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4571         Rewrite accordingly.
4572         (frv_read_iacc_argument): Ditto.
4573         (frv_expand_set_builtin): Take a call instead of arglist, update for
4574         above changes.
4575         (frv_expand_unop_builtin): Ditto.
4576         (frv_expand_binop_builtin): Ditto.
4577         (frv_expand_cut_builtin): Ditto.
4578         (frv_expand_binopimm_builtin): Ditto.
4579         (frv_expand_voidbinop_builtin): Ditto.
4580         (frv_expand_int_void2arg): Ditto.
4581         (frv_expand_prefetches): Ditto.
4582         (frv_expand_voidtriop_builtin): Ditto.
4583         (frv_expand_voidaccop_builtin): Ditto.
4584         (frv_expand_load_builtin): Ditto.
4585         (frv_expand_store_builtin): Ditto.
4586         (frv_expand_mdpackh_builtin): Ditto.
4587         (frv_expand_mclracc_builtin): Ditto.
4588         (frv_expand_mrdacc_builtin): Ditto.
4589         (frv_expand_mwtacc_builtin): Ditto.
4590         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4591         calls for above.
4592
4593 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4594
4595         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4596         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4597         cmpb instruction.
4598         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4599         point instructions.
4600         * configure: Regenerate.
4601         * config.in: Regenerate.
4602         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4603         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4604         masks to power6 and power6x and to POWERPC_MASKS.
4605         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4606         _ARCH_PWR6.
4607         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4608         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4609         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4610         Access PROTOTYPE as variable, not mask.
4611
4612 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4613
4614         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4615         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4616         * combine.c (adjust_for_new_dest): Use it.
4617         * postreload.c (reload_combine): Likewise.
4618
4619 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4620
4621         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4622         notes on an insn with multiple sets, even if single_set returns
4623         non-NULL for that insn.
4624
4625 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4626
4627         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4628         scalbn and scalbln.
4629
4630 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4631
4632         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4633         if user didn't pass it.
4634         * config/i386/darwin.h (CC1_SPEC): Likewise.
4635         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4636         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4637         -mmacosx-version-min.
4638
4639 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4640             Uros Bizjak  <ubizjak@gmail.com>
4641
4642         * optabs.h (enum optab_index): Add new OTI_scalb.
4643         (scalb_optab): Define corresponding macro.
4644         * optabs.c (init_optabs): Initialize scalb_optab.
4645         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4646         patterns.
4647         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4648         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4649         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4650         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4651         flag_unsafe_math_optimizations is set.
4652
4653         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4654         to implement scalbf, scalb and scalbl built-ins as inline x87
4655         intrinsics.
4656
4657 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4658             DJ Delorie <dj@redhat.com>
4659
4660         PR other/30824
4661         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4662         (diagnostic_report_diagnostic): ... here, and turn them into real
4663         errors. If warnings are inhibited, no need to do anything.
4664
4665 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4666
4667         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4668         better code generation.
4669
4670 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4671
4672         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4673
4674 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4675
4676         * config/alpha/alpha.c, config/alpha/alpha.md,
4677         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4678         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4679         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4680         config/arm/lib1funcs.asm: Follow spelling conventions.
4681
4682         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4683         config/fr30/fr30.md, config/i386/i386.h,
4684         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4685         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4686         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4687         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4688         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4689         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4690         config/sparc/sparc.c, config/sparc/sparc.h,
4691         config/sparc/sparc.md, config/spu/constraints.md,
4692         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4693         conventions.
4694
4695 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4696
4697         PR target/29943
4698         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4699         alias attribute.
4700
4701 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4702
4703         * doc/invoke.texi (-ftree-lrs): Remove.
4704
4705 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4706
4707         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4708         NULL.
4709
4710 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4711
4712         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4713         new CALL_EXPR_FN macro for retrieving the function
4714         declaration of the input expression.
4715
4716 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4717
4718         * c.opt (Waddress): New.
4719         * common.opt (Walways-true): Delete.
4720         (Wstring-literal-comparison): Delete.
4721         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4722         -Wstring-literal-comparison. Add -Waddress.
4723         (Waddress): New.
4724         (Walways-true): Delete.
4725         (Wstring-literal-comparison): Delete.
4726         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4727         consistently instead of -Walways-true in example.
4728         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4729         * c-typeck.c (parser_build_binary_op): Replace
4730         -Wstring-literal-comparison and -Walways-true with -Waddress.
4731         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4732         with -Waddress.
4733
4734 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4735
4736         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4737         without DECL_STRUCT_FUNCTION initialized.
4738
4739 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4740
4741         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4742         due to calls to functions taking pointers as parameters.
4743
4744 2007-02-19  Richard Henderson  <rth@redhat.com>
4745
4746         PR debug/29558
4747         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4748         in memory.
4749
4750 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4751
4752         * config/s390/s390.c (s390_call_saved_register_used,
4753         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4754         accessed to the new scheme.
4755
4756 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4757
4758         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4759         (cris_print_index, cris_print_operand, cris_print_operand_address)
4760         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4761         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4762         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4763         GET_CODE () == xxx.
4764         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4765         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4766         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4767         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4768         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4769         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4770         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4771         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4772         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4773         (uminsi3, call, call_value): Ditto.
4774         (define_split: indir_to_reg_split, unnamed): Ditto.
4775
4776 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4777
4778         PR tree-optimization/30975
4779         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4780         wrong assert.
4781
4782 2007-02-18  Eric Christopher  <echristo@gmail.com>
4783
4784         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4785         Remove use of arglist.
4786         (mips_expand_builtin): Remove use of arglist, pass in expr.
4787         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4788         (mips_expand_builtin_movtf): Ditto.
4789         (mips_expand_builtin_compare): Ditto.
4790
4791 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4792
4793         * tree-sra.c (sra_build_assignment): Replace assertion
4794         checking with a comment explaining why it can't be done.
4795
4796 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4797
4798         PR middle-end/30833
4799         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4800         during CALL_EXPR representation conversion.
4801         * tree-ssa-propagate.c (set_rhs): Likewise.
4802
4803 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4804
4805         * tree-sra.c (sra_build_assignment): Disable assertion checking
4806         for now.
4807
4808 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4809
4810         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4811         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4812         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4813         Likewise.
4814         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4815         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4816         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4817         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4818         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4819         force_gimple_operand): Likewise.
4820         * ipa-cp.c (constant_val_insert): Likewise.
4821         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4822         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4823         perfect_nestify): Likewise.
4824         * langhooks.c (lhd_omp_assignment): Likewise.
4825         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4826         lower_copyprivate_clauses, lower_send_clauses,
4827         lower_send_shared_vars, expand_parallel_call,
4828         expand_omp_for_generic, expand_omp_for_static_nochunk,
4829         expand_omp_for_static_chunk, expand_omp_sections,
4830         lower_omp_single_copy, lower_omp_for_lastprivate,
4831         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4832         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4833         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4834         Likewise.
4835
4836 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4837
4838         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4839         config/sh/sh.md: Follow spelling conventions.
4840
4841         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4842         config/frv/predicates.md: Follow spelling conventions.
4843
4844         * config/m68k/linux-unwind.h: Fix a comment typo.
4845         * target.h: Follow spelling conventions.
4846
4847 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4848
4849         PR rtl-optimization/28173
4850         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4851         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4852         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4853         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4854         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4855
4856 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4857
4858         * builtins.c (fold_builtin_load_exponent): New.
4859         (fold_builtin_2): Use it.
4860
4861 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4862
4863         PR rtl-optimization/30773
4864         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4865         if we fail to attach a REG_EQUIV note.
4866
4867 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4868             Roger Sayle  <roger@eyesopen.com>
4869
4870         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4871
4872 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4873
4874         * calls.c (initialize_argument_information): Pass original EXP
4875         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4876         code to split complex arguments here, as part of initializing the
4877         ARGS array.
4878         (expand_call): Remove code that builds a list of arguments and
4879         inserts implicit arguments into it.  Instead, just count how many
4880         implicit arguments there will be so we can determine the size of
4881         the ARGS array, and let initialize_argument_information do the work.
4882         (split_complex_values): Delete unused function.
4883
4884 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4885
4886         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4887
4888 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4889
4890         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4891         for arg pointer based indexed addressing.
4892
4893 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4894
4895         * config/ia64/ia64.h, config/ia64/ia64.md,
4896         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4897         spelling conventions.
4898
4899 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4900
4901         * config/m68k/m68k.c (split_di): New.
4902         * config/m68k/m68k-protos.h: Declare split_di.
4903         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4904           Improve predicate handling and split constant shifts.
4905
4906 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4907
4908         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4909         parameter for register bitfield operations, general predicates
4910         cleanup
4911
4912 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4913
4914         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4915         * config/m68k/linux-unwind.h: New file.
4916
4917 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4918
4919         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4920         config/i386/athlon.md, config/ia64/ia64.md,
4921         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4922         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4923         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4924         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4925         tree-vect-transform.c: Fix comment typos.
4926
4927 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4928
4929         * sched-deps.c (find_insn_list): Remove.
4930         * sched-int.h: Remove the prototype for find_insn_list.
4931
4932 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4933
4934         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4935         to linker.
4936         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4937         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4938         darwin_rs6000_override_options.
4939         (C_COMMON_OVERRIDE_OPTIONS): Expect
4940         darwin_macosx_version_min to be non-NULL always.
4941         (TARGET_C99_FUNCTIONS): Likewise.
4942         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4943         (DARWIN_MINVERSION_SPEC): New.
4944         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4945         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4946         to cc1*.
4947         (DARWIN_MINVERSION_SPEC): New.
4948         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4949         value.
4950         * config/darwin-c.c (darwin_cpp_builtins): Expect
4951         darwin_macosx_version_min to be non-NULL always.
4952
4953         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4954
4955 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4956
4957         * config/i386/i386.h (x86_use_xchgb): New.
4958         (TARGET_USE_XCHGB): New macro.
4959         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4960         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4961         Split after reload into bswaphi for shifts of 8.
4962         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4963         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4964         or when optimizing for size.
4965
4966 2007-02-16  Richard Guenther  <rguenther@suse.de>
4967             Christian Bruel  <christian.bruel@st.com>
4968
4969         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4970         DECLs but prefer SSA_NAMEs over DECLs.
4971
4972 2007-02-16  Richard Guenther  <rguenther@suse.de>
4973
4974         * tree-flow-inline.h (single_imm_use_p): Remove.
4975         (zero_imm_uses_p): Likewise.
4976         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4977         instead of single_imm_use_p.
4978         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4979         zero_imm_uses_p.
4980
4981 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4982
4983         PR other/27843
4984         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4985         nested double- and backquotes.
4986
4987 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4988
4989         PR middle-end/30391
4990         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4991         should be unreachable.
4992         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4993         For the time being redirect GIMPLE_MODIFY_STMT to the new
4994         (renamed) build_gimple_modify_stmt_stat.
4995         (build2_gimple_stat): Rename to...
4996         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4997         Always build a GIMPLE_MODIFY_STMT node.
4998         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4999         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5000         declarations.
5001
5002         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5003         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5004         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5005         expand_complex_div_wide): Likewise.
5006         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5007         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5008         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5009         * tree-ssa-loop-manip.c (create_iv): Likewise.
5010         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5011         abs_replacement): Likewise.
5012         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5013         realify_fake_stores): Likewise.
5014
5015         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5016         node rather than a GIMPLE_MODIFY_STMT node.
5017         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5018         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5019         Likewise.
5020         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5021         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5022         GIMPLE_MODIFY_STMT.
5023
5024 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5025
5026         PR middle-end/30433
5027         * fold-const.c (fold_comparison): Add back the
5028         folding of constant complex comparisions.
5029
5030 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5031
5032         PR middle-end/30729
5033         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5034         effects unknown to this function, return early.
5035
5036 2007-02-15  Ian Lance Taylor  <iant@google.com>
5037
5038         * lower-subreg.c (move_eh_region_note): New static function.
5039         (resolve_simple_move): Call it.
5040         (decompose_multiword_subregs): Track blocks for which we resolve a
5041         simple move which is also a control flow insn.  Pass them to
5042         find_many_sub_basic_blocks.
5043         (pass_lower_subreg): Add TODO_verify_flow.
5044         (pass_lower_subreg2): Likewise.
5045
5046 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5047             Brooks Moses  <brooks.moses@codesourcery.com>
5048             Lee Millward  <lee.millward@codesourcery.com>
5049
5050         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5051         (VL_EXP_CLASS_P): New.
5052         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5053         TREE_CODE_LENGTH.
5054         (TREE_OPERAND_CHECK_CODE): Likewise.
5055         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5056         (TREE_RTL_OPERAND_CHECK): Likewise.
5057         (tree_operand_check_failed): Make second parameter the whole tree
5058         instead of its code.  Fixed callers.
5059         (VL_EXP_CHECK): New.
5060         (TREE_OPERAND_LENGTH): New.
5061         (VL_EXP_OPERAND_LENGTH): New.
5062         (CALL_EXPR_FN): New.
5063         (CALL_EXPR_STATIC_CHAIN): New.
5064         (CALL_EXPR_ARGS): New.
5065         (CALL_EXPR_ARG): New.
5066         (call_expr_nargs): New.
5067         (CALL_EXPR_ARGP): New.
5068         (build_nt_call_list): Declare.
5069         (build_vl_exp_stat): Declare.
5070         (build_vl_exp): New.
5071         (build_call_list): Declare.
5072         (build_call_nary): Declare.
5073         (build_call_valist): Declare.
5074         (build_call_array): Declare.
5075         (call_expr_arg): Declare.
5076         (call_expr_argp): Declare.
5077         (call_expr_arglist): Declare.
5078         (fold_build_call_list): Declare.
5079         (fold_build_call_list_initializer): Declare.
5080         (fold_call_expr): Declare to replace fold_builtin.
5081         (fold_builtin_fputs): Update to agree with modified definition.
5082         (fold_builtin_strcpy): Likewise.
5083         (fold_builtin_strncpy): Likewise.
5084         (fold_builtin_memory_chk): Likewise.
5085         (fold_builtin_stxcpy_chk): Likewise.
5086         (fold_builtin_strncpy_chk): Likewise.
5087         (fold_builtin_next_arg): Likewise.
5088         (fold_build_call_expr): Declare.
5089         (fold_builtin_call_list): Declare.
5090         (fold_builtin_call_valist): Declare.
5091         (build_call_expr): Declare.
5092         (validate_arglist): Update to agree with modified definition.
5093         (tree_operand_length): New.
5094         (call_expr_arg_iterator): New.
5095         (init_call_expr_arg_iterator): New.
5096         (next_call_expr_arg): New.
5097         (first_call_expr_arg): New.
5098         (more_call_expr_args_p): New.
5099         (FOR_EACH_CALL_EXPR_ARG): New.
5100
5101         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5102         and tcc_gimple_stmt.
5103         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5104         than sizeof (char *).
5105         (tree_size): Likewise.  Add case for tcc_vl_exp.
5106         (tree_node_structure): Add case for tcc_vl_exp.
5107         (contains_placeholder_p): Likewise.
5108         (substitute_in_expr): Likewise.
5109         (substitute_placeholder_in_expr): Likewise.
5110         (stabilize_reference_1): Likewise.
5111         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5112         to diagnose breakage of this interface for constructing CALL_EXPRs.
5113         (build_nt): Add similar assertion here.
5114         (build_nt_call_list): New.
5115         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5116         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5117         TREE_CODE_LENGTH.
5118         (get_callee_fndecl): Use new CALL_EXPR accessors.
5119         (tree_operand_check_failed): Change parameters to pass entire node
5120         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5121         (process_call_operands): New.
5122         (build_vl_exp_stat): New.
5123         (build_call_list): New.
5124         (build_call_nary): New.
5125         (build_call_valist): New.
5126         (build_call_array): New.
5127         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5128         (call_expr_arglist): New.
5129
5130         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5131         tcc_vl_exp instead of a fixed-size tcc_expression.
5132
5133         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5134         accessors for CALL_EXPRs.
5135         (AGGR_INIT_EXPR): Likewise.
5136
5137 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5138             Brooks Moses  <brooks.moses@codesourcery.com>
5139             Lee Millward  <lee.millward@codesourcery.com>
5140
5141         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5142         (expand_builtin_nonlocal_goto): Change parameter to be entire
5143         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5144         (expand_builtin_prefetch): Likewise.
5145         (expand_builtin_classify_type): Likewise.
5146         (mathfn_built_in): Return NULL_TREE instead of 0.
5147         (expand_errno_check): Use new CALL_EXPR accessors.
5148         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5149         Return NULL_RTX instead of 0.
5150         (expand_builtin_mathfn_2): Likewise.
5151         (expand_builtin_mathfn_3): Likewise.
5152         (expand_builtin_interclass_mathfn): Likewise.
5153         (expand_builtin_sincos): Likewise.
5154         (expand_builtin_cexpi): Likewise.
5155         (expand_builtin_int_roundingfn): Likewise.
5156         (expand_builtin_int_roundingfn_2): Likewise.
5157         (expand_builtin_pow): Likewise.
5158         (expand_builtin_powi): Likewise.
5159         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5160         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5161         accessors and constructors.  Return NULL_RTX instead of 0.
5162         (expand_builtin_strstr): Likewise.
5163         (expand_builtin_strchr): Likewise.
5164         (expand_builtin_strrchr): Likewise.
5165         (expand_builtin_strpbrk): Likewise.
5166         (expand_builtin_memcpy): Likewise.
5167         (expand_builtin_mempcpy): Likewise.
5168         (expand_builtin_mempcpy_args): New.
5169         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5170         (expand_builtin_memmove_args): New.
5171         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5172         (expand_movstr): Likewise.
5173         (expand_builtin_strcpy): Likewise.
5174         (expand_builtin_strcpy_args): New.
5175         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5176         (expand_builtin_strncpy): Likewise.
5177         (expand_builtin_memset): Likewise.
5178         (expand_builtin_memset_args): New.
5179         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5180         (expand_builtin_memcmp): Likewise.
5181         (expand_builtin_strcmp): Likewise.
5182         (expand_builtin_strncmp): Likewise.
5183         (expand_builtin_strcat): Likewise.
5184         (expand_builtin_strncat): Likewise.
5185         (expand_builtin_strspn): Likewise.
5186         (expand_builtin_strcspn): Likewise.
5187         (expand_builtin_args_info): Likewise.
5188         (expand_builtin_va_start): Likewise.
5189         (gimplify_va_arg_expr): Likewise.
5190         (expand_builtin_va_end): Likewise.
5191         (expand_builtin_va_copy): Likewise.
5192         (expand_builtin_frame_address): Likewise.
5193         (expand_builtin_alloca): Likewise.
5194         (expand_builtin_bswap): Likewise.
5195         (expand_builtin_unop): Likewise.
5196         (expand_builtin_fputs): Likewise.
5197         (expand_builtin_expect): Likewise.
5198         (expand_builtin_fabs): Likewise.
5199         (expand_builtin_copysign): Likewise.
5200         (expand_builtin_printf): Likewise.
5201         (expand_builtin_fprintf): Likewise.
5202         (expand_builtin_sprintf): Likewise.
5203         (expand_builtin_init_trampoline): Likewise.
5204         (expand_builtin_signbit): Likewise.
5205         (expand_builtin_fork_or_exec): Likewise.
5206         (expand_builtin_sync_operation): Likewise.
5207         (expand_builtin_compare_and_swap): Likewise.
5208         (expand_builtin_lock_test_and_set): Likewise.
5209         (expand_builtin_lock_release): Likewise.
5210         (expand_builtin): Likewise.
5211         (builtin_mathfn_code): Likewise.
5212
5213         (fold_builtin_constant_p): Pass call arguments individually instead
5214         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5215         accessors and constructors.  Return NULL_TREE instead of 0.
5216         (fold_builtin_expect): Likewise.
5217         (fold_builtin_classify_type): Likewise.
5218         (fold_builtin_strlen): Likewise.
5219         (fold_builtin_nan): Likewise.
5220         (integer_valued_real_p): Likewise.
5221         (fold_trunc_transparent_mathfn): Likewise.
5222         (fold_fixed_mathfn): Likewise.
5223         (fold_builtin_cabs): Likewise.
5224         (fold_builtin_sqrt): Likewise.
5225         (fold_builtin_cbrt): Likewise.
5226         (fold_builtin_cos): Likewise.
5227         (fold_builtin_cosh): Likewise.
5228         (fold_builtin_tan): Likewise.
5229         (fold_builtin_sincos): Likewise.
5230         (fold_builtin_cexp): Likewise.
5231         (fold_builtin_trunc): Likewise.
5232         (fold_builtin_floor): Likewise.
5233         (fold_builtin_ceil): Likewise.
5234         (fold_builtin_round): Likewise.
5235         (fold_builtin_int_roundingfn): Likewise.
5236         (fold_builtin_bitop): Likewise.
5237         (fold_builtin_bswap): Likewise.
5238         (fold_builtin_logarithm): Likewise.
5239         (fold_builtin_hypot): Likewise.
5240         (fold_builtin_pow): Likewise.
5241         (fold_builtin_powi): Likewise.
5242         (fold_builtin_exponent): Likewise.
5243         (fold_builtin_memset): Likewise.
5244         (fold_builtin_bzero): Likewise.
5245         (fold_builtin_memory_op): Likewise.
5246         (fold_builtin_bcopy): Deleted; call site changed to invoke
5247         fold_builtin_memory_op directly.
5248         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5249         (fold_builtin_strncpy): Likewise.
5250         (fold_builtin_memcmp): Likewise.
5251         (fold_builtin_strcmp): Likewise.
5252         (fold_builtin_strncmp): Likewise.
5253         (fold_builtin_signbit): Likewise.
5254         (fold_builtin_copysign): Likewise.
5255         (fold_builtin_isascii): Likewise.
5256         (fold_builtin_toascii): Likewise.
5257         (fold_builtin_isdigit): Likewise.
5258         (fold_builtin_fabs): Likewise.
5259         (fold_builtin_abs): Likewise.
5260         (fold_builtin_fmin_fmax): Likewise.
5261         (fold_builtin_carg): Likewise.
5262         (fold_builtin_classify): Likewise.
5263         (fold_builtin_unordered_cmp): Likewise.
5264
5265         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5266         New functions split out from fold_builtin_1.
5267         (fold_builtin_n): New.
5268         (fold_builtin_varargs): New.
5269         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5270         instead.
5271         (fold_call_expr): New.
5272         (build_function_call_expr): Rewrite to use new helper function.
5273         (fold_builtin_call_list): New.
5274         (build_call_expr): New.
5275         (fold_builtin_call_valist): New.
5276         (rewrite_call_expr): New.
5277         (validate_arg): New.
5278         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5279         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5280         accessors.
5281
5282         (fold_builtin_strstr):  Pass call arguments individually instead
5283         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5284         accessors and constructors.  Return NULL_TREE instead of 0.
5285         (fold_builtin_strchr): Likewise.
5286         (fold_builtin_strrchr): Likewise.
5287         (fold_builtin_strpbrk): Likewise.
5288         (fold_builtin_strcat): Likewise.
5289         (fold_builtin_strncat): Likewise.
5290         (fold_builtin_strspn): Likewise.
5291         (fold_builtin_strcspn): Likewise.
5292         (fold_builtin_fputs): Likewise.
5293         (fold_builtin_next_arg): Likewise.
5294         (fold_builtin_sprintf): Likewise.
5295
5296         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5297         NULL_RTX instead of 0.
5298         (expand_builtin_memory_chk): Likewise.
5299         (maybe_emit_chk_warning): Likewise.
5300         (maybe_emit_sprintf_chk_warning): Likewise.
5301
5302         (fold_builtin_object_size): Pass call arguments individually instead
5303         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5304         accessors and constructors.  Return NULL_TREE instead of 0.
5305         (fold_builtin_memory_chk): Likewise.
5306         (fold_builtin_stxcpy_chk): Likewise.
5307         (fold_builtin_strncpy_chk): Likewise.
5308         (fold_builtin_strcat_chk): Likewise.
5309         (fold_builtin_strcat_chk): Likewise.
5310         (fold_builtin_strncat_chk): Likewise.
5311         (fold_builtin_sprintf_chk): Likewise.
5312         (fold_builtin_snprintf_chk): Likewise.
5313         (fold_builtin_printf): Likewise.
5314         (fold_builtin_vprintf): Likewise.
5315
5316         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5317         constructors.
5318         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5319         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5320         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5321         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5322         (fold_unary): Likewise.
5323         (fold_binary): Likewise.
5324         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5325         ternary expressions.
5326         (fold): Add logic for tcc_vl_exp.
5327         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5328         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5329         (fold_build3_stat): Add assertion to flag broken interface for
5330         constructing CALL_EXPRs.
5331         (fold_build_call_list): New.
5332         (fold_build_call_list_initializer): New.
5333         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5334         constructors.
5335         (fold_strip_sign_ops): Likewise.
5336
5337 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5338             Brooks Moses  <brooks.moses@codesourcery.com>
5339             Lee Millward  <lee.millward@codesourcery.com>
5340
5341         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5342         accessors and dump arguments explicitly.
5343
5344         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5345         TREE_CODE_LENGTH.
5346         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5347         explicitly.
5348         (print_call_name): Use new CALL_EXPR accessors.
5349
5350         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5351         CALL_EXPR arguments explicitly instead of as a list.  Use
5352         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5353
5354         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5355         (vrp_visit_stmt): Likewise.
5356
5357         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5358         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5359         TREE_CODE_LENGTH.
5360         (force_move_till_expr): Likewise.
5361
5362         * targhooks.c (default_external_stack_protect_fail): Use
5363         build_call_expr instead of build_function_call_expr.
5364         (default_hidden_stack_protect_fail): Likewise.
5365
5366         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5367         build the call.
5368
5369         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5370         and walk arguments explicitly.
5371
5372         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5373         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5374         (expand_simple_operations): Likewise.
5375         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5376
5377         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5378         of TREE_CODE_LENGTH.
5379         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5380
5381         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5382         instead of TREE_CODE_LENGTH.
5383
5384         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5385         (tree_ic_transform): Likewise.
5386         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5387         parameter instead of arglist.  Fix callers.
5388         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5389         (tree_stringops_transform): Likewise.
5390         (tree_indirect_call_to_profile): Likewise.
5391         (tree_stringops_values_to_profile): Likewise.
5392
5393         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5394         (eliminate_tail_call): Likewise.
5395
5396         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5397
5398         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5399         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5400         operands.
5401         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5402
5403         * omp-low.c (build_omp_barrier): Use build_call_expr.
5404         (lower_rec_input_clauses): Likewise.
5405         (lower_reduction_clauses): Likewise.
5406         (expand_parallel_call): Likewise.
5407         (maybe_catch_exception): Likewise.
5408         (expand_omp_for_generic): Likewise.
5409         (expand_omp_for_static_nochunk): Likewise.
5410         (expand_omp_sections): Likewise.
5411         (lower_omp_single_simple): Likewise.
5412         (lower_omp_single_copy): Likewise.
5413         (lower_omp_master): Likewise.
5414         (lower_omp_ordered): Likewise.
5415         (lower_omp_critical): Likewise.
5416
5417         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5418         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5419
5420         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5421         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5422         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5423
5424         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5425         and generalize to handle any number of operands.
5426         (chrec_contains_undetermined): Likewise.
5427         (tree_contains_chrecs): Likewise.
5428         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5429
5430         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5431
5432         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5433         fold_call_expr instead of fold_builtin.
5434         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5435         match declarations there.
5436         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5437         updates.
5438
5439         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5440         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5441
5442         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5443         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5444
5445         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5446         accessors.
5447
5448         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5449         (execute_cse_sincos): Use new CALL_EXPR accessors.
5450
5451         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5452
5453         * gimple-low.c (lower_function_body): Use build_call_expr.
5454         (lower_builtin_setjmp): Likewise.
5455
5456         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5457         (set_storage_via_libcall): Likewise.
5458         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5459         instead of TREE_CODE_LENGTH.
5460         (expand_expr_real_1): Use new CALL_EXPR accessors.
5461
5462         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5463         generalize to handle any number of operands.
5464         (TB_parent_eq): Likewise.
5465
5466         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5467         (strip_builtin_expect): Likewise.
5468
5469         * function.c (gimplify_parameters): Use build_call_expr.
5470
5471         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5472         instead of TREE_CODE_LENGTH.
5473
5474         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5475         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5476
5477         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5478         iterators.
5479
5480         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5481         (gimplify_decl_expr): Likewise.
5482         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5483         Use new CALL_EXPR iterators.
5484         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5485         (gimplify_modify_expr_to_memset): Likewise.
5486         (gimplify_variable_sized_compare): Likewise.
5487         (gimplify_omp_atomic_fetch_op): Likewise.
5488         (gimplify_omp_atomic_pipeline): Likewise.
5489         (gimplify_omp_atomic_mutex): Likewise.
5490         (gimplify_function_tree): Likewise.
5491
5492         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5493         (call_expr_flags): Likewise.
5494         (expand_call): Likewise.
5495
5496         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5497         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5498         accessors.
5499
5500         * coverage.c (create_coverage): Use build_call_expr.
5501
5502         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5503         (temp_call_expr_obstack): New.
5504         (pool_copy_list): Delete.
5505         (temp_copy_call_expr): New.
5506         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5507         CALL_EXPR accessors.  Get rid of special goo for copying argument
5508         lists and use temp_copy_call_expr instead.
5509         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5510         CALL_EXPR accessors.
5511         (create_expression_by_pieces): Likewise.  Use build_call_array
5512         to construct the result instead of fold_build3.
5513         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5514         dealing with argument lists.
5515         (init_pre): Remove references to expression_node_pool and
5516         list_node_pool.  Init temp_call_expr_obstack instead.
5517         (fini_pre): Remove references to expression_node_pool and
5518         list_node_pool.
5519
5520         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5521         and walk arguments explicitly instead of as a list.
5522
5523         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5524         (mx_register_decls): Likewise.
5525         (mudflap_register_call): Likewise.
5526         (mudflap_finish_file): Likewise.
5527
5528         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5529         (ipa_callsite_compute_param): Likewise.
5530
5531         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5532         accessors and constructor.
5533
5534         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5535         accessors and constructor.
5536         (convert_tramp_reference): Likewise.
5537         (convert_call_expr): Likewise.
5538         (finalize_nesting_tree_1): Likewise.
5539
5540         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5541         accessors.
5542
5543         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5544
5545         * tree-inline.c (initialize_inlined_parameters): Pass entire
5546         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5547         accessors.
5548         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5549         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5550
5551         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5552         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5553         (vectorizable_reduction): Likewise.
5554         (vectorizable_call): Use new CALL_EXPR iterators.
5555         (vectorizable_conversion): Use build_call_expr.
5556         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5557         (vect_gen_widened_results_half): Use build_call_expr.
5558         (vect_setup_realignment): Likewise.
5559         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5560
5561         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5562         (pass_through_call): Likewise.
5563         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5564         fold_builtin.
5565
5566         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5567         (tree_gen_pow2_profiler): Likewise.
5568         (tree_gen_one_value_profiler): Likewise.
5569         (tree_gen_ic_func_profiler): Likewise.
5570         (tree_gen_average_profiler): Likewise.
5571         (tree_gen_ior_profiler): Likewise.
5572
5573         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5574         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5575         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5576
5577         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5578         of TREE_CODE_LENGTH.
5579
5580         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5581         of TREE_CODE_LENGTH.
5582
5583         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5584         constructor.
5585         (convert_to_integer): Likewise.
5586
5587         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5588         accessors.
5589
5590 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5591             Brooks Moses  <brooks.moses@codesourcery.com>
5592             Lee Millward  <lee.millward@codesourcery.com>
5593
5594         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5595         accessors.
5596         * config/frv/frv.c (frv_expand_builtin): Likewise.
5597         * config/s390/s390.c (s390_expand_builtin): Likewise.
5598
5599         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5600         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5601
5602         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5603         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5604         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5605         (ix86_expand_store_builtin): Likewise.
5606         (ix86_expand_unop_builtin): Likewise.
5607         (ix86_expand_unop1_builtin): Likewise.
5608         (ix86_expand_sse_compare): Likewise.
5609         (ix86_expand_sse_comi): Likewise.
5610         (ix86_expand_vec_init_builtin): Likewise.
5611         (ix86_expand_vec_ext_builtin): Likewise.
5612         (ix86_expand_vec_set_builtin): Likewise.
5613         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5614
5615         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5616         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5617
5618         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5619         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5620         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5621
5622         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5623         build_call_expr.
5624         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5625         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5626         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5627         (altivec_expand_abs_builtin): Likewise.
5628         (rs6000_expand_binop_builtin): Likewise.
5629         (altivec_expand_predicate_builtin): Likewise.
5630         (altivec_expand_lv_builtin): Likewise.
5631         (spe_expand_stv_builtin): Likewise.
5632         (altivec_expand_stv_builtin): Likewise.
5633         (rs6000_expand_ternop_builtin): Likewise.
5634         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5635         (altivec_expand_st_builtin): Likewise.
5636         (altivec_expand_dst_builtin): Likewise.
5637         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5638         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5639         (altivec_expand_vec_set_builtin): Likewise.
5640         (altivec_expand_vec_ext_builtin): Likewise.
5641         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5642         (spe_expand_builtin): Likewise.
5643         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5644         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5645         (spe_expand_evsel_builtin): Likewise.
5646         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5647         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5648
5649         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5650         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5651         (arm_expand_unop_builtin): Likewise.
5652         (arm_expand_builtin): Use new CALL_EXPR accessors.
5653
5654         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5655         accessors.
5656
5657         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5658         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5659         (bfin_expand_unop_builtin): Likewise.
5660         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5661
5662 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5663             Brooks Moses  <brooks.moses@codesourcery.com>
5664             Lee Millward  <lee.millward@codesourcery.com>
5665
5666         * c-semantics.c (build_stmt): Add internal diagnostic check.
5667
5668         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5669         accessors.  Print arguments explicitly instead of as a list.
5670
5671         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5672
5673         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5674         (c_finish_omp_flish): Likewise.
5675
5676         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5677         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5678         instead of TREE_CODE_LENGTH.
5679         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5680         (c_warn_unused_result): Likewise.
5681
5682 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5683
5684         PR c/26494
5685         * doc/invoke.texi (Warning Options): Remove
5686         -Werror-implicit-function-declaration.
5687         (Wimplicit-function-declaration): Update description.
5688         * opts.c (common_handle_option): Move handling of -Werror=* to...
5689         (enable_warning_as_error): ...here.
5690         * opts.h (enable_warning_as_error): Declare.
5691         * c-decl.c (implicit_decl_warning): Unless
5692         -Wno-implicit-function-declaration is given, emit a pedwarn if
5693         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5694         * c.opt (Wimplicit-function-declaration): Replace
5695         mesg_implicit_function_declaration with
5696         warn_implicit_function_declaration.
5697         * c-opts.c (c_common_handle_option):
5698         -Werror-implicit-function-declaration is exactly equal as
5699         -Werror=implicit-function-declaration.
5700         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5701         warn_implicit_function_declaration.
5702         (c_common_post_options): -Wimplict-function-declaration is enabled
5703         by default by -std=c99, otherwise is disabled by default.
5704         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5705
5706 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5707
5708         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5709         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5710         former is ignored but not the latter.
5711
5712 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5713
5714         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5715         is made and the reference doesn't use the alias set of its type,
5716         do not create the temporary using that type.
5717
5718 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5719
5720         * jump.c: Remove prototypes for delete_computation and
5721         delete_prior_computation.
5722
5723 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5724
5725         * jump.c (get_label_after): Delete.
5726         (get_label_before, delete_computation, delete_jump,
5727         delete_prior_computation, follow_jumps): Move...
5728         * reorg.c (delete_computation, delete_prior_computation): ... here...
5729         (get_label_before, delete_jump): ... making these static ...
5730         (follow_jumps): ... and simplifying this since it only runs after
5731         reload.
5732         * rtl.h (get_label_after, get_label_before, delete_jump,
5733         follow_jumps): Delete prototypes.
5734
5735 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5736
5737         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5738
5739 2007-02-15  Nick Clifton  <nickc@redhat.com>
5740
5741         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5742         order to prevent it from being munged by the target.
5743
5744 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5745
5746         * config/i386/i386.md: Remove misleading comment.
5747
5748 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5749
5750         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5751         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5752         invalid patterns.
5753
5754 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5755
5756         * tree-sra.c (instantiate_missing_elements): Canonicalize
5757         bit-field types.
5758         (sra_build_assignment): New.
5759         (generate_copy_inout, generate_element_copy,
5760         generate_element_zero, generate_one_element_init): Use it.
5761
5762 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5763
5764         * tree-sra.c (instantiate_missing_elements): Canonicalize
5765         bit-field types.
5766         (sra_build_assignment): New.
5767         (generate_copy_inout, generate_element_copy,
5768         generate_element_zero, generate_one_element_init): Use it.
5769
5770 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5771
5772         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5773         limbo die nodes.
5774
5775 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5776
5777         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5778         types as aggregates not scalars.
5779         * function.c (assign_stack_temp_for_type): Likewise.
5780
5781 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5782             Zdenek Dvorak  <dvorakz@suse.cz>
5783
5784         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5785         name.
5786
5787 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5788
5789         * passes.c (next_pass_1): Clear the next field of the copied
5790         pass structure.
5791
5792 2007-02-14  Richard Henderson  <rth@redhat.com>
5793
5794         * tree-sra.c (early_sra): New.
5795         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5796         (tree_sra_early, pass_sra_early): New.
5797         * tree-pass.h (pass_sra_early): Declare.
5798         * passes.c (init_optimization_passes): Use it.
5799
5800 2007-02-14  Richard Guenther  <rguenther@suse.de>
5801
5802         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5803
5804 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5805
5806          PR tree-optimization/30771
5807         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5808         also phi nodes.
5809         (vect_analyze_operations): Induction phis can now be marked as
5810         used_in_loop.
5811         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5812         Update documentation accordingly.
5813
5814 2007-02-14  Nick Clifton  <nickc@redhat.com>
5815
5816         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5817         most 3 arguments are supported.
5818         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5819
5820 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5821
5822         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5823         Ensure dst->current is valid.
5824
5825 2007-02-13  Paul Brook  <paul@codesourcery.com>
5826
5827         * config.gcc: Add arm*-*-uclinux-*eabi.
5828         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5829         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5830         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5831         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5832         (LINK_SPEC): Define.
5833         (LIB_SPEC): Define.
5834         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5835         register.
5836         * config/arm/uclinux-eabi.h: New file.
5837         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5838         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5839         based targets.
5840
5841 2007-02-13  Ian Lance Taylor  <iant@google.com>
5842
5843         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5844         * flags.h (warn_strict_overflow): Declare.
5845         (enum warn_strict_overflow_code): Define.
5846         (issue_strict_overflow_warning): New static inline function.
5847         * opts.c (warn_strict_overflow): New variable.
5848         (common_handle_option): Handle OPT_Wstrict_overflow and
5849         OPT_Wstrict_overflow_.
5850         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5851         OPT_Wall.
5852         * fold-const.c: Include intl.h.
5853         (fold_deferring_overflow_warnings): New static variable.
5854         (fold_deferred_overflow_warning): New static variable.
5855         (fold_deferred_overflow_code): New static variable.
5856         (fold_defer_overflow_warnings): New function.
5857         (fold_undefer_overflow_warnings): New function.
5858         (fold_undefer_and_ignore_overflow_warnings): New function.
5859         (fold_deferring_overflow_warnings_p): New function.
5860         (fold_overflow_warning): New static function.
5861         (make_range): Add strict_overflow_p parameter.  Change all
5862         callers.
5863         (extract_muldiv, extract_muldiv_1): Likewise.
5864         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5865         tree_expr_nonnegative_p.
5866         (fold_negate_expr): Call fold_overflow_warning.
5867         (fold_range_test): Likewise.
5868         (fold_comparison): Likewise.
5869         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5870         instead of tree_expr_nonnegative_p.
5871         (tree_expr_nonnegative_warnv_p): Rename from
5872         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5873         (tree_expr_nonnegative_p): New function.
5874         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5875         strict_overflow_p parameter.
5876         (tree_expr_nonzero_p): New function.
5877         * passes.c (verify_interpass_invariants): New static function.
5878         (execute_one_pass): Call it.
5879         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5880         warnings.
5881         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5882         (estimate_numbers_of_iterations): Likewise.
5883         (scev_probably_wraps_p): Likewise.
5884         * tree-ssa-ccp.c: Include "toplev.h".
5885         (evaluate_stmt): Defer fold overflow warnings until we know we are
5886         going to optimize.
5887         (struct fold_stmt_r_data): Add stmt field.
5888         (fold_stmt_r): Defer fold overflow warnings until we know we
5889         optimized.
5890         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5891         (fold_stmt_inplace): Likewise.
5892         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5893         (cleanup_control_expr_graph): Defer fold overflow warnings until
5894         we know we are going to optimize.
5895         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5896         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5897         Likewise.
5898         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5899         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5900         * tree-ssa-loop-manip.c (create_iv): Likewise.
5901         * c-typeck.c (build_conditional_expr): Likewise.
5902         (build_binary_op): Likewise.
5903         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5904         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5905         (extract_range_from_unary_expr): Likewise.
5906         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5907         assuming that signed overflow does not occur.
5908         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5909         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5910         (fold_defer_overflow_warnings): Declare.
5911         (fold_undefer_overflow_warnings): Declare.
5912         (fold_undefer_and_ignore_overflow_warnings): Declare.
5913         (fold_deferring_overflow_warnings_p): Declare.
5914         (tree_expr_nonzero_warnv_p): Declare.
5915         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5916         of warning options.
5917         (Warning Options): Document -Wstrict-overflow.
5918         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5919         (tree-ssa-ccp.o): Likewise.
5920         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5921         (fold-const.o): Depend on intl.h.
5922
5923 2007-02-13  Ian Lance Taylor  <iant@google.com>
5924
5925         PR middle-end/30751
5926         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5927         addresses.
5928
5929 2007-02-13  Stuart Hastings  <stuart@apple.com>
5930
5931         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5932
5933 2007-02-13  Richard Henderson  <rth@redhat.com>
5934
5935         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5936         handled_component_p before looking for the indirect_ref.
5937
5938 2007-02-13  Richard Henderson  <rth@redhat.com>
5939
5940         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5941         remove flags clobber.
5942         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5943         (bswaphi_lowpart): New.
5944         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5945         remove TARGET_BSWAP test.  Delete expander of the same name.
5946
5947         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5948         (expand_unop): Use them.
5949
5950 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5951
5952         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5953         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5954         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5955         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5956         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5957         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5958         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5959         assembler dialect choice from asm templates.
5960
5961 2007-02-12  Richard Henderson  <rth@redhat.com>
5962
5963         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5964         (fixuns_trunc<SSEMODEF>si2): Use it.
5965         * config/i386/sse.md (vec_setv4sf_0): Export.
5966         * config/i386/i386.c (ix86_build_const_vector): Export.
5967         (ix86_split_convert_uns_si_sse): Rename from
5968         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5969         * config/i386/i386-protos.h: Update.
5970
5971 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5972
5973         PR c/29521
5974         * c-typeck.c (c_finish_return): Improve warning message.
5975
5976 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5977
5978         * alias.c (find_symbolic_term): Delete unused function.
5979
5980 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5981
5982         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5983         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5984         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5985
5986 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5987
5988         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5989         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5990         the function, temporarily point the debug interface to the null one.
5991
5992 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5993
5994         * dwarf2out.c (round_up_to_align): New static function.
5995         (field_byte_offset): Use it to round the offset.
5996
5997 2007-02-12  Richard Henderson  <rth@redhat.com>
5998
5999         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6000         (inswl_const): Export.
6001
6002 2007-02-12  Richard Henderson  <rth@redhat.com>
6003
6004         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6005         result mode of the libcall, convert back to outmode.
6006
6007 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6008
6009         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6010         (bswapdi2): New define_expand to implement 32-bit implementation.
6011
6012 2007-02-12  Nick Clifton  <nickc@redhat.com>
6013
6014         * doc/invoke.texi (Overall Options): Document --help=.
6015         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6016         (cc1_options): Pass --help= on to cc1.
6017         (display_help): Add description of --help=.
6018         (process_command): Add code to handle --help=.  Allow translated
6019         --help and --target-help switches to be passed on to compiler
6020         sub-process.
6021         (main): Remove unused if statement.
6022         * opts.c (columns): Remove.
6023         (LEFT_COLUMN): Define.
6024         (wrap_help): Add columns argument.
6025         (print_filtered_help): Change parameters to be an include bitmask,
6026         an exclude bitmask, an any bitmask and the column width.  Move the
6027         code to display the params list here.  Add code to display the
6028         status of options rather than their descriptions if the quiet flag
6029         is not active.
6030         (print_specific_help): Change parameters to be an include bitmask,
6031         an exclude bitmask and an any bitmask.  Move code to look up the
6032         column width here.  Decide upon the title for an options listing.
6033         (common_handle_options): Add code to handle --help=.  Adapt code
6034         for --help and --target-help to use the revised form of the
6035         print_specific_help function.
6036         (print_help): Delete.
6037         (print_param_help): Delete.
6038         (print_switch): Delete.
6039         * opts.h (cl_lang_count): Add prototype.
6040         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6041         CL_MAX_OPTION_CLASS): New defines.
6042         * optc-gen.awk: Add construction of cl_lang_count.
6043         * c.opt: Add Warning attribute to warning options and Optimization
6044         attribute to optimization options.
6045         * common.opt: Likewise.
6046         Add --help=.
6047         Add -fhelp and -ftarget-help as aliases for the transformed --help
6048         and --target-help options.
6049         * opt-functions.awk: Add code to handle Warning and Optimization
6050         attributes.
6051
6052 2007-02-12  Richard Henderson  <rth@redhat.com>
6053
6054         * config/alpha/constraints.md: New file.
6055         * config/alpha/alpha.c: Include tm-constrs.h.
6056         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6057         alpha_extra_constraint): Remove.
6058         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6059         * config/alpha/alpha-protos.h: Update.
6060         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6061         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6062         (EXTRA_CONSTRAINT): Remove.
6063         * config/alpha/alpha.md: Include constraints.md.
6064         (adddi splitter): Use satisfies_constraint_*.
6065         * config/alpha/predicates.md (add_operand): Likewise.
6066         (sext_add_operand, addition_operation): Likewise.
6067
6068 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6069
6070         PR tree-optimization/29145
6071         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6072         in our handling of restrict qualified pointers.
6073
6074 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6075
6076         PR middle-end/7651
6077         * doc/invoke.texi (Wunused-value): Update description.
6078         (Wextra): Delete item.
6079         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6080         value of Wunused-value.
6081         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6082         (c_finish_stmt_expr): Don't check extra_warnings.
6083         (emit_side_effect_warnings): The caller is responsible to check
6084         warn_unused_value.
6085
6086 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6087             Matt Thomas  <matt@3am-software.com>
6088
6089         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6090
6091 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6092
6093         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6094         comparisons of POPCOUNT against zero.
6095         (simplify_const_relational_operation): Likewise.
6096
6097 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6098
6099         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6100
6101 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6102
6103         * dwarf2out.c (root_type): Delete unused function.
6104
6105 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6106
6107         * genattrtab.c (contained_in_p): Delete unused function.
6108         (write_expr_attr_cache): Likewise.
6109
6110 2007-02-11  Jan Hubicka  <jh@suse.cz>
6111
6112         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6113         previous patch.
6114
6115 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6116
6117         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6118         to add the REG_EQ* note.
6119         * see.c (see_merge_one_use_extension): Likewise.
6120         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6121         turn REG_EQUAL notes into REG_EQUIV notes if the target
6122         register may have more than one set.
6123         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6124         * gcse.c (try_replace_reg): Likewise.
6125         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6126         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6127         more than one REG_EQUIV note.
6128         * reload1.c (gen_reload): Use set_unique_reg_note.
6129
6130 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6131
6132         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6133         (ix86_builtin_conversion): New function.
6134
6135 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6136
6137         PR target/29487
6138         * tree.h (DECL_REPLACEABLE_P): New macro.
6139         * except.c (set_nothrow_function_flags): Likewise.
6140
6141 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6142             Ira Rosen  <irar@il.ibm.com>
6143             Dorit Nuzman  <dorit@il.ibm.com>
6144
6145         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6146         * targhooks.c (default_builtin_vectorized_conversion): New.
6147         * targhooks.h (default_builtin_vectorized_function): New declaration.
6148         * target.h (struct vectorize): Add builtin_conversion field.
6149         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6150         stmt_vec_info_type value.
6151         (vectorizable_conversion): New declaration.
6152         * tree-vect-analyze.c (vect_analyze_operations): Add
6153         vectorizable_conversion call.
6154         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6155         * tree-vect-transform.c (vectorizable_conversion): New function.
6156         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6157         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6158         mode.
6159         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6160         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6161         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6162         or ALTIVEC_BUILTIN_VCFSX.
6163
6164 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6165
6166         PR target/30634
6167         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6168         CONST_DOUBLE and operand 0 is a hard register.
6169         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6170         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6171         is a hard floating-point register.
6172
6173 2007-02-10  Richard Henderson  <rth@redhat.com>
6174             Jakub Jelinek  <jakub@redhat.com>
6175             Alexandre Oliva  <aoliva@redhat.com>
6176
6177         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6178         * builtin-types.def (BT_WORD): Make unsigned.
6179         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6180         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6181         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6182         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6183         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6184         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6185         emulated tls.
6186         * expr.c (emutls_var_address): New.
6187         (expand_expr_real_1): Expand emulated tls.
6188         (expand_expr_addr_expr_1): Likewise.
6189         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6190         * output.h (emutls_finish): Declare.
6191         * toplev.c (compile_file): Call it.
6192         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6193         address before wrapping in CONST.
6194         * varasm.c (emutls_htab, emutls_object_type): New.
6195         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6196         (get_emutls_object_name, get_emutls_object_type): New.
6197         (get_emutls_init_templ_addr, emutls_decl): New.
6198         (emutls_common_1, emutls_finish): New.
6199         (assemble_variable): When emulating tls, swap decls; generate
6200         constructor for the emutls objects.
6201         (do_assemble_alias): When emulating tls, swap decl and target name.
6202         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6203         for emulated tls.
6204         * varpool.c (decide_is_variable_needed): Look at force_output.
6205         Recurse for emulated tls.
6206         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6207         with decide_is_variable_needed.
6208         * emutls.c: New file.
6209         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6210         tls_object for real tls.
6211
6212 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6213
6214         PR rtl-optimization/29599
6215         * reload1.c (eliminate_regs_in_insn): Take the destination
6216         mode into account when computing the offset.
6217
6218 2007-02-09  Stuart Hastings  <stuart@apple.com>
6219             Richard Henderson  <rth@redhat.com>
6220
6221         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6222         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6223         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6224         fixuns_truncdfhi2): New.
6225         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6226         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6227         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6228         (floatunssidf2): Allow nonimmediate source.
6229         * gcc/config/i386/sse.md (movdi_to_sse): New.
6230         (vec_concatv2di): Drop '*'.
6231         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6232         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6233         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6234         New.
6235         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6236         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6237         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6238         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6239         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6240         ix86_build_const_vector.
6241         (x86_emit_floatuns): Rewrite.
6242
6243 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6244
6245         * genautomata.c (longest_path_length): Delete unused function.
6246         (struct state): Delete unused longest_path_length.
6247         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6248         (get_free_state): Delete unused.
6249
6250 2007-02-09  Jan Hubicka  <jh@suse.cz>
6251
6252         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6253         * doc/invoke.texi (inline-unit-growth): Update default value.
6254
6255         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6256         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6257         (rebuild_cgraph_edges): Likewise.
6258         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6259         (dump_cgraph_node): Dump frequencies.
6260         (cgraph_clone_edge): Add frequency scales.
6261         (cgraph_clone_node): Add freuqnecy.
6262         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6263         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6264         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6265         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6266         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6267         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6268         (save_inline_function_body): Likewise.
6269         * ipa-inline.c: inluce rtl.h
6270         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6271         (cgraph_edge_badness): Use frequencies.
6272         (cgraph_decide_recursive_inlining): Update clonning.
6273         (cgraph_decide_inlining_of_small_function): Dump frequency.
6274         * predict.c (estimate_bb_frequencies): Export.
6275         * predict.h (estimate_bb_frequencies): Declare.
6276         * tree-inline.c (copy_bb): Watch overflows.
6277         (expand_call_inline): Update call of cgraph_create_edge.
6278         (optimize_inline_calls): Use TODO flags to update frequnecies.
6279         * passes.h: Include predict.h
6280         (init_optimization_passes): Move profile ahead.
6281         (execute_function_todo): Handle TODO_rebuild_frequencies.
6282
6283 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6284
6285         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6286         the insbl or inswl pattern into a register.
6287
6288 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6289
6290         * config/ia64/ia64.md (bswapdi2): New define_insn.
6291
6292 2007-02-09  Richard Henderson  <rth@redhat.com>
6293
6294         * config/i386/constraints.md (Ym): New constraint.
6295         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6296         (movdi_1_rex64): Split sse and xmm general register moves from
6297         memory move alternatives.  Use conditional register constraints.
6298         (movsf_1, movdf_integer): Likewise.
6299         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6300         (movdf_integer_rex64): New.
6301         (pushsf_rex64): Fix output constraints.
6302         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6303         (sse2_stored): Likewise.
6304         (sse2_storeq_rex64): New.
6305         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6306         amd and not generic.
6307         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6308         for optimize_size.  Remove SF/DFmode hack.
6309
6310 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6311
6312         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6313         (bit_SSE4a): New.
6314
6315 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6316             Richard Sandiford  <richard@codesourcery.com>
6317
6318         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6319         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6320         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6321         m68k/t-mlib to tmake_file.
6322         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6323         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6324         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6325         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6326         variable is not empty, add t-$m68k_arch_family to tmake_file.
6327         Add t-mlibs to tmake_file.
6328         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6329         * config/m68k/t-cf: New file.
6330         * config/m68k/t-m68k: Likewise.
6331         * config/m68k/t-mlibs: Likewise.
6332         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6333         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6334         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6335         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6336         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6337         Delete.
6338         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6339         (INSTALL_LIBGCC): Delete.
6340         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6341         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6342         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6343         (M68K_MLIB_CPU): Define.
6344         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6345         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6346         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6347
6348 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6349             Richard Guenther  <rguenther@suse.de>
6350
6351         PR middle-end/23361
6352         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6353         against INT_MIN/INT_MAX.
6354         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6355         file if a loop is removed.
6356
6357 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6358
6359         * calls.c (store_one_arg): Pass correct alignment to
6360         emit_push_insn for non-BLKmode values.
6361         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6362         unaligned stack slot via a suitably aligned slot.
6363
6364 2007-02-08  DJ Delorie  <dj@redhat.com>
6365
6366         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6367         warnings.
6368         (legal_subregs): Use unsigned char, make const.
6369         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6370
6371 2007-02-08  Paul Brook  <paul@codesourcery.com>
6372
6373         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6374         special interworking needed.
6375
6376 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6377
6378         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6379         conditional to __SSE2__.
6380         (Entries below should have been added to first ChangeLog
6381         entry for amdfam10 dated 2007-02-05)
6382         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6383         defined.
6384         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6385         defined.
6386         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6387         defined.
6388
6389 2007-02-08  DJ Delorie  <dj@redhat.com>
6390
6391         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6392         * config/m32c/m32c.c (legal_subregs): New.
6393         (m32c_illegal_subreg_p): New.
6394         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6395         unsupported subregs of hard regs.
6396
6397 2007-02-08  Jan Hubicka  <jh@suse.cz>
6398
6399         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6400         the same one; always update histograms.
6401
6402 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6403
6404         * passes.c (init_optimization_passes): Tidy comment.
6405
6406 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6407
6408         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6409         strip zero_extend, bswap and rotates from POCOUNT's argument.
6410         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6411         zero_extend and rotates from PARITY's argument.
6412         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6413         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6414         of an integer constant at compile-time.
6415
6416 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6417
6418         PR 30562
6419         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6420         Update all users.
6421         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6422         users.
6423         (init_alias_info):
6424         * tree-ssa-live.c (remove_unused_locals): Do not remove
6425         TREE_ADDRESSABLE variables.
6426         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6427         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6428         FOR_CLOBBER.  Update all users.
6429         If VAR has an associated alias set, add a virtual operand for
6430         it if no alias is found to conflict with the memory reference.
6431
6432 2007-02-07  Jan Hubicka  <jh@suse.cz>
6433             Robert Kidd <rkidd@crhc.uiuc.edu>
6434
6435         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6436
6437 2007-02-07  Ian Lance Taylor  <iant@google.com>
6438
6439         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6440
6441 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6442
6443         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6444         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6445         tablejumpdi, movsi_to_cr_one): Remove constraints from
6446         define_expand's match_operands.
6447
6448 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6449
6450         * global.c (compute_regsets): Move declatation of "i" inside of
6451         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6452
6453 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6454
6455         PR c++/30703
6456         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6457         of INDIRECT_REF <RESULT_DECL>.
6458
6459         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6460
6461 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6462             Kaz Kojima  <kkojima@gcc.gnu.org>
6463
6464         PR target/29746
6465         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6466         properly.
6467         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6468
6469 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6470
6471         * doc/loop.texi: Document possibility not to perform disambiguation
6472         of loops with multiple latches.
6473         * cfgloopmanip.c (alp_enum_p): Removed.
6474         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6475         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6476         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6477         the new forwarder block.
6478         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6479         Handle the case latch is NULL.
6480         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6481         when marking loop exits.
6482         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6483         be modified.
6484         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6485         disambiguate_loops_with_multiple_latches.
6486         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6487         before fix_loop_structure.
6488         * cfgloop.c: Include pointer-set.h and output.h.
6489         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6490         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6491         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6492         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6493         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6494         disambiguate_multiple_latches, get_loop_body_with_size,
6495         disambiguate_loops_with_multiple_latches): New functions.
6496         (flow_loop_dump): Dump multiple latch edges.
6497         (flow_loop_nodes_find): Handle loops with multiple latches.
6498         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6499         (glb_enum_p): Modified.
6500         (get_loop_body): Use get_loop_body_with_size.
6501         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6502         (AVOID_CFG_MODIFICATIONS): New constant.
6503         (disambiguate_loops_with_multiple_latches, add_loop,
6504         get_loop_body_with_size): Declare.
6505         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6506
6507 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6508
6509         PR inline-asm/28686
6510         * global.c (compute_regsets): New function.
6511         (global_alloc): Refactored ELIMINABLE_REGSET
6512         and NO_GLOBAL_ALLOC_REGS computation out.
6513         (rest_of_handle_global_alloc): Call compute_regsets()
6514         for non-optimizing case.
6515
6516 2007-02-06  Richard Henderson  <rth@redhat.com>
6517
6518         * config/i386/constraints.md (Y2): Rename from Y.
6519         (Yi): New constraint.
6520         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6521         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6522         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6523         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6524         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6525         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6526         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6527         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6528         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6529         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6530         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6531         vec_extractv2si_1): Change Y constraints to Y2.
6532         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6533         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6534         Change Y constraints to Y2.
6535         (sse2_loadld): Change Y constraints to x.
6536
6537 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6538
6539         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6540         (parity<mode>2): New define_expand using rs6000_emit_parity.
6541         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6542         rs6000_emit_parity): New functions.
6543         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6544         rs6000_emit_parity): Prototype here.
6545
6546 2007-02-06  Ian Lance Taylor  <iant@google.com>
6547
6548         * lower-subreg.c (simple_move_operand): Reject CONST.
6549         (resolve_clobber): Call validate_change rather than directly
6550         assigning to XEXP (pat, 0).
6551
6552 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6553
6554         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6555         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6556         (tree-cfg.o): Remove hashtab.h dependency.
6557
6558         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6559         (struct ivopts_data): Change niters to pointer_map_t.
6560         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6561         (niter_for_exit): Create pointer_map on demand.  Change for
6562         pointer_map API.
6563         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6564         (free_loop_data): Destroy data->niters if created and reset field.
6565         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6566         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6567
6568         * tree-ssa-reassoc.c: Include pointer-set.h.
6569         (bb_rank): Change to long *.
6570         (operand_rank): Change to pointer_map_t.
6571         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6572         (insert_operand_rank): Accept long.
6573         (operand_entry_hash, operand_entry_eq): Remove.
6574         (get_rank): Return long.  Adjust for changes above.
6575         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6576         and operand_rank.
6577         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6578
6579         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6580         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6581         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6582         is not NULL.
6583         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6584         directly since it cannot be NULL.
6585         (get_vi_for_tree): Rewrite for pointer_map API.
6586         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6587         (init_alias_vars): Create vi_for_tree as pointer_map.
6588         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6589
6590         * tree-cfg.c: Don't include hashtab.h.
6591         (edge_to_cases): Declare as pointer_map.
6592         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6593         Delete.
6594         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6595         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6596         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6597         destroying it.
6598         (record_switch_edge): Delete.
6599         (get_cases_for_edge): Adjust for pointer_map API, inline
6600         record_switch_edge (rewritten for new API), remove goto.
6601
6602 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6603
6604         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6605         * tree-nested.c: Include pointer-set.h.
6606         (var_map_elt, var_map_eq, var_map_hash): Delete.
6607         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6608         to pointer_map_t's.
6609         (nesting_info_bitmap_obstack): New.
6610         (lookup_field_for_decl): Adjust for pointer_map API.
6611         (lookup_tramp_for_decl): Adjust for pointer_map API.
6612         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6613         (get_local_debug_decl): Adjust for pointer_map API.
6614         (convert_nl_goto_reference): Adjust for pointer_map API.
6615         (convert_nl_goto_receiver): Adjust for pointer_map API.
6616         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6617         the new obstack.  Create field_map and var_map as pointer_maps.
6618         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6619         (root): Delete.
6620         (lower_nested_functions): Move root here, no need to NULL it.
6621         Initialize and release the obstack.
6622
6623 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6624
6625         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6626         Remove prototypes and make them non-static.
6627         (struct tree_int_map): Remove.
6628         * tree.h (struct tree_int_map): Move here, turning TO into an
6629         unsigned int.
6630         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6631
6632         * tree.h (TREE_COMPLEXITY): Remove.
6633         (struct tree_exp): Remove complexity field.
6634         * tree.c (build1_stat): Don't set it.
6635
6636 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6637             Victor Kaplansky  <victork@il.ibm.com>
6638
6639         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6640         (vect_is_simple_reduction): Support reduction with induction as
6641         one of the operands.
6642         (vect_is_simple_iv_evolution): Fix formatting.
6643         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6644         formatting.  Don't mark induction phis for vectorization.
6645         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6646         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6647         (vect_get_vec_def_for_operand): Support induction.
6648         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6649         induction case.
6650         (vectorizable_reduction): Support reduction with induction as one of
6651         the operands.
6652         (vectorizable_type_demotion): Use def-type of stmt argument rather
6653         than dummy def-type.
6654
6655         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6656         flag_tree_scev_cprop.
6657         * common.opt (tree-scev-cprop): New flag.
6658
6659         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6660         call to vect_get_new_vect_var.
6661
6662 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6663
6664         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6665         vectype is not NULL.
6666         (vect_pattern_recog_1): Likewise.
6667
6668 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6669
6670         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6671         (fold_negate_expr): Likewise.
6672
6673 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6674
6675         PR debug/30189
6676         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6677         even if cv-qualification is the same.
6678
6679 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6680
6681         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6682         __enable_execute_stack on completion.
6683
6684 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6685
6686         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6687         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6688         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6689         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6690         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6691         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6692         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6693         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6694
6695 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6696
6697         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6698         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6699         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6700         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6701         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6702         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6703         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6704         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6705         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6706         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6707         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6708         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6709         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6710         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6711         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6712         sqrtextenddfxf2_i387): Added amdfam10_decode.
6713
6714         * config/i386/athlon.md (athlon_idirect_amdfam10,
6715         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6716         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6717         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6718         athlon_ivector_store_amdfam10): New define_insn_reservation.
6719         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6720         amdfam10.
6721
6722 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6723
6724         * config/i386/athlon.md (athlon_call_amdfam10,
6725         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6726         define_insn_reservation.
6727         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6728         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6729         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6730
6731 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6732
6733         * config/i386/athlon.md (athlon_sseld_amdfam10,
6734         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6735         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6736
6737 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6738
6739         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6740         define_insn_reservation.
6741         * config/i386/i386.md (sseins): Added sseins to define_attr type
6742         and define_attr unit.
6743         * config/i386/sse.md: Set type attribute to sseins for insertq
6744         and insertqi.
6745
6746 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6747
6748         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6749         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6750         ssecomi_load_amdfam10, ssecomi_amdfam10,
6751         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6752         define_insn_reservation.
6753         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6754
6755 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6756
6757         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6758         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6759         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6760         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6761         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6762         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6763         define_insn_reservation.
6764
6765         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6766         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6767         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6768         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6769         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6770
6771 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6772
6773         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6774         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6775         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6776         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6777         athlon_ssemul_load_k8): Added amdfam10.
6778
6779 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6780
6781         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6782         (x86_sse_unaligned_move_optimal): New variable.
6783
6784         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6785         m_AMDFAM10.
6786         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6787         for unaligned vector SSE double/single precision loads for AMDFAM10.
6788
6789 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6790
6791         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6792         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6793         Define TARGET_CPU_DEFAULT_amdfam10.
6794         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6795         (processor_type): Add PROCESSOR_AMDFAM10.
6796
6797         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6798         processor_type in config/i386/i386.h.
6799         Enable imul peepholes for TARGET_AMDFAM10.
6800
6801         * config.gcc: Add support for --with-cpu option for amdfam10.
6802
6803         * config/i386/i386.c (amdfam10_cost): New variable.
6804         (m_AMDFAM10): New macro.
6805         (m_ATHLON_K8_AMDFAM10): New macro.
6806         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6807         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6808         x86_promote_QImode, x86_integer_DFmode_moves,
6809         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6810         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6811         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6812         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6813         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6814         Enable/disable for amdfam10.
6815         (override_options): Add amdfam10_cost to processor_target_table.
6816         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6817         processor_alias_table.
6818         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6819         (ix86_adjust_cost): Add code for amdfam10.
6820
6821 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6822
6823         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6824         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6825         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6826         * config/i386/i386.h: Add builtin definition for SSE4A.
6827         * config/i386/i386.md: Add support for ABM instructions
6828         (popcnt and lzcnt).
6829         * config/i386/sse.md: Add support for SSE4A instructions
6830         (movntss, movntsd, extrq, insertq).
6831         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6832         Add -march=amdfam10 flag.
6833         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6834         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6835         and amdfam10.
6836         * doc/extend.texi: Add documentation for SSE4A builtins.
6837
6838 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6839
6840         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6841
6842 2007-02-05  Richard Guenther  <rguenther@suse.de>
6843
6844         * tree-vectorizer.h (vectorizable_function): Add argument type
6845         argument, change return type.
6846         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6847         * tree-vect-transform.c (vectorizable_function): Handle extra
6848         argument, return vectorized function decl.
6849         (build_vectorized_function_call): Remove.
6850         (vectorizable_call): Handle calls with result and argument types
6851         differing.  Handle loop vectorization factor correctly.
6852         * targhooks.c (default_builtin_vectorized_function): Adjust for
6853         extra argument.
6854         * targhooks.h (default_builtin_vectorized_function): Likewise.
6855         * target.h (builtin_vectorized_function): Add argument type
6856         argument.
6857         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6858         extra argument, allow vectorizing of lrintf.
6859         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6860         documentation of target hook.
6861
6862 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6863
6864         PR target/30665
6865         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6866         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6867         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6868
6869 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6870
6871         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6872         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6873         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6874         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6875         before canonicalizing sincos to cexpi.
6876         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6877
6878 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6879
6880         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6881         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6882         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6883
6884 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6885
6886         * mips-tfile.c (initialize_init_file): Correct endianness test.
6887
6888 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6889
6890         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6891         the 'y' constraint.
6892
6893 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6894
6895         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6896         saves in a PARALLEL before the register assignments.
6897
6898 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6899
6900         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6901         DWARF_FRAME_RETURN_COLUMN to be a general register.
6902         * dwarf2out.c (init_return_column_size): New function, split from...
6903         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6904         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6905         to be nongeneral registers.
6906         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6907         integer registers.
6908         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6909         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6910
6911 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6912
6913         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6914
6915 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6916
6917         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6918         (remove_path): Use can_remove_branch_p and remove_branch instead
6919         of loop_delete_branch_edge.
6920         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6921         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6922         Update profile using scale_dominated_blocks_in_loop.
6923         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6924         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6925         (can_remove_branch_p, remove_branch): Declare.
6926         * tree-cfg.c (tree_can_remove_branch_p): New function.
6927         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6928         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6929         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6930
6931 2007-02-05  Jan Hubicka  <jh@suse.cz>
6932
6933         PR middle-end/30696
6934         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6935         nodes in cgraph, don't remove offline copy of the function.
6936
6937 2007-02-04  Jan Hubicka  <jh@suse.cz>
6938
6939         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6940         vectors might cause maybe_lookup_element_for_expr to be called
6941         on non-sra-candidate.
6942
6943 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6944
6945         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6946         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6947         spelling conventions.
6948
6949 2007-02-04  Richard Guenther  <rguenther@suse.de>
6950
6951         PR middle-end/30636
6952         * fold-const.c (try_move_mult_to_index): Make sure to not
6953         overflow one dimension of a multi-dimensional array access.
6954
6955 2007-02-04  Jan Hubicka  <jh@suse.cz>
6956
6957         * passes.c (init_optimization_passes): Reindent.
6958
6959 2007-02-04  Jan Hubicka  <jh@suse.cz>
6960             Eric Botcazou  <ebotcazou@adacore.com>
6961
6962         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6963         (execute_fixup_cfg): Break out the abnormal goto code.
6964         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6965         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6966         (optimize_inline_calls): Call make_nonlocal_label_edges.
6967
6968 2007-02-04  Jan Hubicka  <jh@suse.cz>
6969
6970         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6971         true when something was changed.
6972         (rename_ssa_copies): When something was changed, do
6973         TODO_remove_unused_locals.
6974         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6975         add TODO_remove_unused_locals when instruction was removed.
6976
6977 2007-02-04  Jan Hubicka  <jh@suse.cz>
6978
6979         * ipa-inline.c (try_inline): Improve debug output; work on already
6980         inline edges too.
6981         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6982         call try_inline for already inlined edges too when flattening;
6983         inline also functions that make callee growth but overall unit size
6984         reduce.
6985
6986 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6987
6988         * config/m32c/bitops.md, config/m32c/jump.md,
6989         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6990         config/m32r/m32r.h, config/m32r/m32r.md,
6991         config/m32r/predicates.md, config/m68hc11/larith.asm,
6992         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6993         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6994         config/mips/mips-protos.h, config/mips/mips.c,
6995         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6996         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6997         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6998         spelling conventions.
6999
7000         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7001         Follow spelling conventions.
7002
7003 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7004
7005         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7006         warn about C++0x compatibility.
7007
7008 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7009
7010         * config/h8300/h8300.c, config/h8300/h8300.h,
7011         config/h8300/h8300.md: Follow spelling conventions.
7012
7013 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7014
7015         PR middle-end/30667
7016         * combine.c (try_combine): Do not substitute source operand
7017         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7018
7019 2007-02-03  Jan Hubicka  <jh@suse.cz>
7020
7021         PR gcov-profile/30650
7022         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7023         do not divide by zero for never executed counters.
7024         (tree_find_values_to_profile): Fix counters.
7025         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7026
7027 2007-02-03  Ian Lance Taylor  <iant@google.com>
7028
7029         * lower-subreg.c (simple_move_operand): New static function,
7030         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7031         operands.
7032         (simple_move): Call simple_move_operand.
7033         (find_decomposable_subregs): Add special handling of MEMs.
7034         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7035         meaning of return value.  If we see a hard register, test whether
7036         it can store a word_mode value.  Change all callers.
7037
7038 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7039
7040         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7041         ftrapv insns and expanders.
7042         (subdi3): Change define_expand operand 1 to arith11_operand, and
7043         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7044         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7045         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7046         respectively.
7047
7048         PR middle-end/30174
7049         * varasm.c (notice_global_symbol): Treat global objects as weak when
7050         flag_shlib is true.
7051
7052 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7053
7054         * emit-rtl.c (dconstpi): Delete.
7055         (dconstsqrt2): New.
7056         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7057         * real.h (dconstpi): Delete.
7058         (dconstsqrt2): New.
7059         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7060         (fold_builtin_hypot): Likewise.
7061
7062 2007-02-03  Tom Tromey  <tromey@redhat.com>
7063
7064         PR driver/30246
7065         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7066         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7067
7068 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7069
7070         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7071         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7072         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7073         config/rs6000/cell.md, config/rs6000/darwin.h,
7074         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7075         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7076         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7077         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7078         typos.  Follow spelling conventions.
7079         * doc/invoke.texi: Follow spelling conventions.
7080
7081 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7082
7083         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7084         canonicalization transformations that attempt to simplify integer
7085         constant comparisons to become comparisons against zero.
7086
7087 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7088
7089         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7090         fabs(x)*sqrt(2).
7091         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7092         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7093
7094 2007-02-02  Mike Stump  <mrs@apple.com>
7095
7096         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7097         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7098         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7099         generate a branch island.
7100
7101 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7102
7103         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7104         (xtensa_legitimate_address_p): New.
7105         (xtensa_legitimize_address): New.
7106         (xtensa_output_addr_const_extra): New.
7107         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7108         (BASE_REG_P): New.
7109         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7110         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7111         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7112         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7113         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7114         (xtensa_legitimize_address): New.
7115         (xtensa_output_addr_const_extra): New.
7116
7117 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7118
7119         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7120
7121 2007-02-02  Ian Lance Taylor  <iant@google.com>
7122
7123         * expmed.c (expand_divmod): Add comment.
7124
7125 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7126
7127         * emit-rtl.c (renumber_insns): Remove.
7128         * flags.h: Remove the extern for flag_renumber_insns.
7129         * rtl.h: Remove the prototype for renumber_insns.
7130         * toplev.c (flag_renumber_insns): Remove.
7131
7132 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7133
7134         Revert for x86 darwin:
7135         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7136
7137         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7138         code before the following patch under TARGET_MACHO.
7139         (ix86_function_value_regno_p): Likewise.
7140
7141 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7142
7143         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7144         COMPLEX_EXPR.
7145
7146 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7147
7148         PR target/29682
7149         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7150         general or fp registers.  Add comments.
7151         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7152
7153 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7154
7155         * pointer-set.c (insert_aux): Only return insertion slot.
7156         (pointer_set_insert): Adjust.
7157         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7158         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7159         pointer_map_traverse): New.
7160         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7161         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7162         pointer_map_contains, pointer_map_traverse): Declare.
7163
7164 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7165
7166         PR middle-end/30473
7167         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7168         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7169
7170 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7171
7172         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7173
7174         (struct _dep): New type.
7175         (dep_t): New typedef.
7176         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7177         (DEP_STATUS): New access macro.  The macro with the same name was
7178         renamed to DEP_LINK_STATUS.
7179         (dep_init): Declare function
7180
7181         (struct _dep_link): New type.
7182         (dep_link_t): New typedef.
7183         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7184         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7185         (DEP_LINK_STATUS): New macro.
7186         (debug_dep_links): New debug function.
7187
7188         (struct _deps_list): New type.
7189         (deps_list_t): New typedef.
7190         (DEPS_LIST_FIRST): New access macro.
7191         (FOR_EACH_DEP_LINK): New cycle macro.
7192         (create_deps_list, free_deps_list, delete_deps_list): Declare
7193         functions.
7194         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7195         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7196         (copy_deps_list_change_con): Ditto.
7197
7198         (move_dep_link): Declare function.
7199
7200         (struct _dep_node): New type.
7201         (dep_node_t): New typedef.
7202         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7203
7204         (struct haifa_insn_data.back_deps): New field to hold backward
7205         dependencies of the insn.
7206         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7207         to deps_list_t.
7208         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7209         Change its type to deps_list_t.
7210         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7211         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7212         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7213
7214         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7215
7216         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7217
7218         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7219         all callers.
7220         (dep_cost): Declare.
7221
7222         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7223         (ds_to_dk, dk_to_ds): New functions.
7224
7225         (init_dep_1): New static function.
7226         (init_dep): New function.
7227         (copy_dep): New static function.
7228
7229         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7230         functions.
7231         (detach_dep_link): New static function.
7232         (move_dep_link): New function.
7233
7234         (dep_links_consistent_p, dump_dep_links): New static functions.
7235         (debug_dep_links): New debugging function.
7236
7237         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7238
7239         (alloc_deps_list, init_deps_list): New static functions.
7240         (create_deps_list): New function.
7241         (clear_deps_list): New static function.
7242         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7243         (deps_list_consistent_p, dump_deps_list): New static functions.
7244         (debug_deps_list): New function.
7245         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7246         functions.
7247         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7248
7249         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7250         use new scheduler dependencies lists.
7251         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7252         (sched_analyze): Ditto.  Initialize dependencies lists.
7253         (add_forw_dep, compute_forward_dependences): Update to use new
7254         scheduler dependencies lists.
7255
7256         (init_dependency_caches): Init deps_obstack.
7257         (free_dependency_caches): Free deps_obstack.
7258
7259         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7260         new scheduler dependencies lists.
7261         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7262         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7263
7264         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7265         Update to use new scheduler dependencies lists.
7266         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7267         (debug_dependencies): Ditto.
7268         (schedule_region): Update comments.
7269
7270         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7271         scheduler dependencies lists.
7272         (schedule_ebb): Update comments.
7273
7274         * rtl.def (DEPS_LIST): Remove.
7275
7276         * lists.c (unused_deps_list): Remove.
7277         (free_list): Update assertions.
7278
7279         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7280         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7281
7282         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7283         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7284
7285         * haifa-sched.c (comments): Update.
7286         (insn_cost1): Remove.  Inline the code into insn_cost ().
7287         (insn_cost): Update to use new scheduler dependencies lists.  Move
7288         processing of the dependency cost to dep_cost ().
7289         (dep_cost): New function.  Use it instead of insn_cost () when
7290         evaluating cost of the dependency.  Use compatible interface to
7291         interact with the target.
7292         (priority): Update to use new scheduler dependencies lists.
7293         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7294         with greater number of insns that depend on the insn.
7295         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7296         code to free backward dependencies lists.  Inline and optimize code
7297         from resolve_dep () - see PR28071.
7298         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7299         lists.  Update call to targetm.sched.is_costly_dependence hook.
7300
7301         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7302         scheduler dependencies lists.
7303
7304         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7305         (init_h_i_d): Initialize dependencies lists.
7306
7307         (process_insn_depend_be_in_spec): Rename to
7308         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7309         dependencies lists.
7310         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7311         Update to use new scheduler dependencies lists.
7312         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7313
7314         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7315         new scheduler dependencies lists.
7316         (build_intra_loop_deps): Ditto.
7317
7318         * target.h (struct _dep): Declare to use in
7319         gcc_target.sched.is_costly_dependence.
7320         (struct gcc_target.sched.adjust_cost): Fix typo.
7321         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7322         single dep_t parameter instead of an equivalent triad.
7323         (struct gcc_target.sched.adjust_cost_2): Remove.
7324
7325         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7326
7327         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7328
7329         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7330         documentation.
7331         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7332
7333         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7334         (REG_DEP_TRUE): Document.
7335
7336         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7337         Change signature to correspond to the targetm.sched.adjust_cost hook.
7338         Update use in TARGET_SCHED_ADJUST_COST_2.
7339         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7340         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7341         new scheduler dependencies lists.
7342         (ia64_gen_check): Ditto.
7343
7344         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7345         dependencies lists.
7346
7347         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7348         signature to correspond to the targetm.sched.is_costly_dependence hook.
7349         (is_costly_group): Update to use new scheduler dependencies lists.
7350
7351         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7352         instead of INSN_COST () macro.
7353
7354 2007-02-01  Ian Lance Taylor  <iant@google.com>
7355
7356         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7357
7358 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7359
7360         * pa.md (tp_load): Correct mfctl instruction syntax.
7361
7362 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7363
7364         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7365         altivec_padding_size calculation on AIX.  Improve comment, add
7366         assert to verify that it's right.
7367
7368         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7369         64-bit.
7370
7371 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7372
7373         PR inline-asm/28686
7374         * global.c (global_alloc): Add mising initialization of
7375         ELIMINABLE_REGSET.
7376
7377 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7378
7379         * alias.c (init_alias_analysis): Correct whitespace.
7380         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7381         partition_hot_cold_basic_blocks): Likewise.
7382         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7383         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7384         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7385         fold_builtin_snprintf_chk, fold_builtin_printf,
7386         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7387         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7388         * cfgcleanup.c (cleanup_cfg): Likewise.
7389         * cfgexpand.c (tree_expand_cfg): Likewise.
7390         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7391         * function.c (get_next_funcdef_no): Likewise.
7392         * gengtype.c (main): Likewise.
7393         * genmodes.c (main): Likewise.
7394         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7395         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7396         * ifcvt.c (noce_emit_move_insn): Likewise.
7397         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7398         Likewise.
7399         * stor-layout.c (get_best_mode): Likewise.
7400         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7401         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7402         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7403         perform_var_substitution, solve_graph): Likewise.
7404         * tree-vrp.c (vrp_finalize): Likewise.
7405
7406 2007-02-01  Ian Lance Taylor  <iant@google.com>
7407
7408         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7409         high part of a paradoxical subreg, return a constant zero.
7410
7411 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7412
7413         * toplev.c (lang_dependent_init): Call init_set_costs.
7414         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7415
7416 2007-02-01  Richard Guenther  <rguenther@suse.de>
7417
7418         PR middle-end/30656
7419         * fold-const.c (fold_negate_expr): Allow negating a
7420         constant if overflow does not change.
7421
7422 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7423
7424         * doc/c-tree.texi (Expression trees): Improve markup.
7425         * doc/tm.texi (Register Classes, Addressing Modes)
7426         (Floating Point): Fix spacing after abbreviations.  Fix some
7427         typos.
7428
7429 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7430
7431         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7432         * doc/contrib.texi: Likewise.
7433         * doc/install.texi: Likewise.
7434
7435 2007-01-31  Richard Henderson  <rth@redhat.com>
7436             Ian Lance Taylor  <iant@google.com>
7437
7438         * lower-subreg.c: New file.
7439         * rtl.def (CONCATN): Define.
7440         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7441         pass_lower_subreg2.
7442         * emit-rtl.c (update_reg_offset): New static function, broken out
7443         of gen_rtx_REG_offset.
7444         (gen_rtx_REG_offset): Call update_reg_offset.
7445         (gen_reg_rtx_offset): New function.
7446         * regclass.c: Revert patch of 2006-03-05, restoring
7447         reg_scan_update.
7448         (clear_reg_info_regno): New function.
7449         * dwarf2out.c (concatn_loc_descriptor): New static function.
7450         (loc_descriptor): Handle CONCATN.
7451         * common.opt (fsplit_wide_types): New option.
7452         * opts.c (decode_options): Set flag_split_wide_types when
7453         optimizing.
7454         * timevar.def (TV_LOWER_SUBREG): Define.
7455         * rtl.h (gen_reg_rtx_offset): Declare.
7456         (reg_scan_update): Declare.
7457         * regs.h (clear_reg_info_regno): Declare.
7458         * tree-pass.h (pass_lower_subreg): Declare.
7459         (pass_lower_subreg2): Declare.
7460         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7461         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7462         -fsplit-wide-types.
7463         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7464         * Makefile.in (OBJS-common): Add lower-subreg.o.
7465         (lower-subreg.o): New target.
7466
7467 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7468
7469         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7470
7471 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7472
7473         PR target/19087
7474         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7475
7476 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7477
7478         PR middle-end/29335
7479         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7480
7481 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7482
7483         * cfgloop.h: Include vec-prim.h.
7484         (enum li_flags): Remove LI_ONLY_OLD.
7485         (loop_iterator): Changed.
7486         (fel_next, fel_init): Iterate over loop tree.
7487         (FOR_EACH_LOOP_BREAK): New macro.
7488         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7489         FOR_EACH_LOOP.
7490         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7491         * modulo-sched.c (sms_schedule): Ditto.
7492         * tree-vectorizer.c (vectorize_loops): Ditto.
7493         * doc/loop.texi: Update information on loop numbering and behavior of
7494         FOR_EACH_LOOP wrto new loops.
7495         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7496         add_to_evolution_1): Test nestedness of loops instead of comparing
7497         their numbers.
7498         * tree-chrec.c (chrec_fold_plus_poly_poly,
7499         chrec_fold_multiply_poly_poly, chrec_evaluate,
7500         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7501         reset_evolution_in_loop): Ditto.
7502         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7503
7504 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7505
7506         * c-common.c (warn_about_parentheses): Separate warning about
7507         un-parenthized sequence of comparison operators from the one
7508         which is supposed to warn about x <= y <= z.
7509
7510 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7511
7512         * optabs.h (enum optab_index): Add new OTI_isinf.
7513         (isinf_optab): Define corresponding macro.
7514         * optabs.c (init_optabs): Initialize isinf_optab.
7515         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7516         patterns.
7517         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7518         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7519         using isinf_optab.
7520         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7521         expand_builtin_interclass_mathfn.
7522         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7523         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7524         (fxam<mode>2_i387): New insn pattern.
7525         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7526         built-in functions as x87 inline asm.
7527
7528 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7529
7530         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7531
7532 2007-01-30  Eric Christopher  <echristo@apple.com>
7533
7534         * config.gcc: Add geode.
7535
7536 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7537
7538         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7539         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7540         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7541         value-prof.c: Fix comment typos.
7542
7543 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7544
7545         PR c++/24745
7546         * doc/invoke.texi (Wpointer-arith): Document warning.
7547
7548 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7549
7550         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7551         the list of discrepancies from the draft TR.
7552
7553 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7554
7555         PR c++/30601
7556         * doc/invoke.texi (-Wreturn-type): Update description to
7557         match new behavior.
7558
7559 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7560
7561         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7562
7563 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7564
7565         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7566         to handle optabs that operate on floating point input argument and
7567         output to integer output.
7568         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7569         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7570         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7571         expand_builtin_interclass_mathfn ().
7572         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7573         (ilogbsi2): Remove.
7574         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7575         ilogbl built-in functions as x87 intrinsics.
7576
7577 2007-01-30  Richard Guenther  <rguenther@suse.de>
7578
7579         PR middle-end/27657
7580         * dwarf2out.c (reference_to_unused): Query varpool if the
7581         variable was output.
7582
7583 2007-01-30  Richard Guenther  <rguenther@suse.de>
7584
7585         PR middle-end/30313
7586         * passes.c (execute_one_pass): Reset in_gimple_form to not
7587         confuse non-unit-at-a-time mode.
7588
7589 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7590             Richard Guenther  <rguenther@suse.de>
7591
7592         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7593         avoid undefined behaviour on overflow.  Use force_fit_type_double
7594         to construct the constant with the specified TREE_OVERFLOW.
7595
7596 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7597
7598         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7599         * config/dfp-bit.h: Ditto.
7600
7601 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7602
7603         * c-decl.c (pop_scope): Replace warnings with call to
7604         warn_for_unused_label.
7605         * c-common.h (warn_for_unused_label): Declare.
7606         * c-common.c (warn_for_unused_label): Define.
7607
7608 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7609
7610         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7611         function.
7612
7613 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7614
7615         * Makefile.in (USER_H): Remove decfloat.h.
7616         * ginclude/decfloat.h: Delete, moving contents to ...
7617         * ginclude/float.h: Add support for decimal floating point,
7618         guarded by __STDC_WANT_DEC_FP__.
7619
7620 2007-01-29  Mike Stump  <mrs@apple.com>
7621
7622         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7623         Analysis and Representation to resolve case insensitive conflict.
7624         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7625
7626 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7627
7628         * tree.h (struct tree_memory_tag): Add aliases member.
7629         (MTAG_ALIASES): New macro.
7630         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7631         (add_may_alias): Remove pointer-set. Update for may_aliases being
7632         a bitmap.
7633         (mark_aliases_call_clobbered): Update for may_aliases being a
7634         bitmap.
7635         (compute_tag_properties): Ditto.
7636         (create_partition_for): Ditto.
7637         (compute_memory_partitions): Ditto.
7638         (dump_may_aliases_for): Ditto.
7639         (is_aliased_with): Ditto.
7640         (add_may_alias_for_new_tag): Ditto.
7641         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7642         (compute_is_aliased): New function.
7643         (compute_may_aliases): Call compute_is_aliased).
7644         (init_alias_info): Initialize alias_bitmap_obstack.
7645         (union_alias_set_into): New function.
7646         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7647         (have_common_aliases_p): Rewrite to take two bitmaps and use
7648         intersection.
7649         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7650         Update for bitmaps.
7651         (finalize_ref_all_pointers): Update for add_may_alias changes.
7652         (new_type_alias): Ditto.
7653         * tree-flow-inline.h (may_aliases): Return a bitmap.
7654         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7655         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7656         may_aliases being a bitmap.
7657         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7658         may_aliases now returns a bitmap.
7659         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7660         being a bitmap.
7661         * tree-ssa-operands.c (add_virtual_operand): Update for
7662         may_aliases being a bitmap.
7663
7664 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7665
7666         PR tree-optimization/30630
7667         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7668         variable as changed.
7669
7670 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7671
7672         PR c++/28266
7673         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7674         expanded only once even if an error occurs.
7675
7676 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7677
7678         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7679         (__gcov_average_profiler): Likewise.
7680         (__gcov_ior_profiler): Likewise.
7681         (__gcov_merge_ior): Likewise.
7682
7683 2007-01-28  Jan Hubicka  <jh@suse.cz>
7684
7685         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7686         * value-prof.c (stringop_block_profile): Likewise.
7687
7688 2007-01-28  Jan Hubicka  <jh@suse.cz>
7689
7690         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7691         variant handling histograms; add wrapper.
7692         (clear_storage_via_libcall): Export.
7693         (emit_block_move_hints): Break out from ...; add histograms.
7694         (emit_block_move): ... this one.
7695         (clear_storage_hints): Break out from ...; add histograms.
7696         (clear_storage): ... this one.
7697         (set_storage_via_memset): Handle histogram.
7698         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7699         (clear_storage_hints, clear_storage_via_libcall): Declare.
7700         (set_storage_via_setmem): Update prototype.
7701         * doc/md.texi (movmem, setmem): Document new arguments.
7702
7703         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7704         new histograms.
7705         (stringop_block_profile): New global function.
7706         (tree_stringops_values_to_profile): Profile block size and alignment.
7707         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7708         HIST_TYPE_IOR.
7709         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7710         (stringop_block_profile): Declare.
7711         * builtins.c: Include value-prof.h.
7712         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7713         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7714         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7715         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7716         * profile.c (instrument_values): Add new counters.
7717         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7718         calls.
7719         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7720         (tree_init_edge_profiler): Build new profilers.
7721         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7722         (pass_tree_profile): Add dump.
7723         (tree_profile_hooks): Update.
7724         * Makefile.in (LIBGCOV): Add new constants.
7725         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7726         __gcov_ior_profiler): New.
7727         * i386.md (movmem/setmem expanders): Add new optional arguments.
7728
7729 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7730
7731         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7732
7733 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7734
7735         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7736         (tree_unswitch_single_loop): Pass eni_size_weights to
7737         tree_num_loop_insns.
7738         * tree-ssa-loop-manip.c: Include tree-inline.h.
7739         (can_unroll_loop_p): Pass eni_size_weights to
7740         tree_num_loop_insns.
7741         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7742         Pass eni_size_weights to estimate_num_insns.
7743         * tree.h (init_inline_once): Export.
7744         * toplev.c (backend_init): Call init_inline_once.
7745         * cgraphunit.c (cgraph_process_new_functions,
7746         cgraph_analyze_function): Pass eni_inlining_weights to
7747         estimate_num_insns.
7748         * ipa-inline.c (compute_inline_parameters): Ditto.
7749         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7750         to estimate_num_insns.
7751         (try_unroll_loop_completely): Pass eni_size_weights to
7752         tree_num_loop_insns.
7753         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7754         ot estimate_num_insns.
7755         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7756         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7757         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7758         eni_time_weights): New variables.
7759         (init_inline_once): Initialize them.
7760         (struct eni_data): Mew.
7761         (estimate_num_insns_1, estimate_num_insns): Use weights.
7762         * tree-inline.h (struct eni_weights_d): New.
7763         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7764         (estimate_num_insns): Declaration changed.
7765         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7766         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7767         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7768
7769 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7770
7771         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7772         relations in the conflict function is valid.
7773
7774 2007-01-27  Ian Lance Taylor  <iant@google.com>
7775
7776         * common.opt: Add fstrict-overflow.
7777         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7778         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7779         (TYPE_OVERFLOW_UNDEFINED): Define.
7780         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7781         Replace all uses.
7782         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7783         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7784         (fold_negate_expr): Likewise.
7785         (make_range): Likewise.
7786         (extract_muldiv_1): Likewise.
7787         (maybe_canonicalize_comparison): Likewise.
7788         (fold_comparison): Likewise.
7789         (fold_binary): Likewise.
7790         (tree_expr_nonnegative_p): Likewise.
7791         (tree_expr_nonzero_p): Likewise.
7792         * tree-vrp.c (compare_values): Likewise.
7793         (extract_range_from_binary_expr): Likewise.
7794         (extract_range_from_unary_expr): Likewise.
7795         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7796         Likewise.
7797         (nowrap_type_p): Likewise.
7798         * tree-scalar-evolution.c (simple_iv): Likewise.
7799         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7800         (build_range_check): Likewise.
7801         (extract_muldiv_1): Likewise.
7802         (fold_comparison): Likewise.
7803         * tree-vrp.c (vrp_int_const_binop): Likewise.
7804         (extract_range_from_unary_expr): Likewise.
7805         * convert.c (convert_to_integer): Likewise.
7806         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7807         (fold_comparison): Likewise.
7808         (fold_binary): Likewise.
7809         * optabs.c (optab_for_tree_code): Likewise.
7810         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7811         * simplify-rtx.c (simplify_const_relational_operation): Check
7812         flag_strict_overflow and flag_trapv.
7813         (simplify_const_relational_operation): Likewise.
7814         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7815         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7816         -fstrict-overflow.
7817
7818 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7819
7820         * tree.c (tree_fold_gcd): Delete.
7821         * tree.h (tree_fold_gcd): Remove prototype.
7822         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7823         test whether one constant integer is a multiple of another.  Instead
7824         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7825         * fold-const.c (multiple_of_p):  We've determined both TOP and
7826         BOTTOM are integer constants so we can call int_const_binop directly
7827         instead of the more generic const_binop.
7828
7829 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7830
7831         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7832         1*X check that the constant hasn't overflowed, to preserve the
7833         TREE_OVERFLOW bit.
7834         (round_up): Provide an efficient implementation when rouding-up an
7835         INTEGER_CST to a power-of-two.
7836
7837 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7838
7839         * doc/sourcebuild.texi: Add comma for clarity.
7840         * doc/extend.texi: Fix some typos.
7841         * doc/passes.texi: Likewise.
7842         * doc/cppinternals.texi: Likewise.
7843         * doc/c-tree.texi: Likewise.
7844         * doc/tree-ssa.texi: Likewise.
7845         * doc/install.texi: Likewise.
7846
7847 2007-01-27  Jan Hubicka  <jh@suse.cz>
7848
7849         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7850         (pass_sra): Do not require alias information.
7851         * passes.c (init_optimization_passes): Add SRA
7852
7853 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7854
7855         * tracer.c (rest_of_handle_tracer): We already cleaned
7856         up the CFG in tracer() so don't do it here again.
7857         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7858         cleanup_cfg here, either.  And don't call renumber_insns.
7859
7860         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7861         and BB_HEAD are in the insn stream here.  Instead make sure
7862         that BB_INSN is valid on all insns.  Also, do check here that
7863         there are no pending branch predictions...
7864         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7865         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7866         here.
7867
7868 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7869
7870         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7871         function to simplify/factorize operand order canonicalization.
7872         (ix86_fixup_binary_operands): Reorganize using the above function.
7873         (ix86_binary_operator_ok): Likewise.
7874
7875 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7876
7877         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7878         file scope from optimize_attrs.
7879         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7880         up search.
7881         (optimize_attrs): Clear insn_code_values after freeing it.
7882
7883 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7884
7885         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7886         a parts.base assignment.
7887
7888 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7889
7890         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7891         (compute_subscript_distance, initialize_data_dependence_relation,
7892         finalize_ddr_dependent, analyze_ziv_subscript,
7893         analyze_siv_subscript_cst_affine,
7894         compute_overlap_steps_for_affine_univar,
7895         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7896         analyze_siv_subscript, analyze_miv_subscript,
7897         analyze_overlapping_iterations, subscript_dependence_tester_1,
7898         compute_self_dependence, free_dependence_relation): Work
7899         with affine_fn instead of chrecs.
7900         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7901         common_affine_function, affine_function_base,
7902         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7903         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7904         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7905         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7906         (all_chrecs_equal_p): Removed.
7907         * tree-data-ref.h (affine_fn, conflict_function): New types.
7908         (struct subscript): Change type of conflicting_iterations_in_a
7909         and conflicting_iterations_in_b.
7910
7911 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7912
7913         PR other/30182
7914         * config/pa/pa.h (TARGET_HPUX_11): New.
7915         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7916         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7917
7918 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7919         Richard Guenther  <rguenther@suse.de>
7920
7921         * tree-ssa-structalias.c (solve_graph): Handle case
7922         we merged the variable to another.
7923
7924 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7925
7926         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7927         functions.
7928
7929         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7930         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7931
7932 2007-01-25  DJ Delorie  <dj@redhat.com>
7933
7934         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7935         allow changes to modes which don't fit in those registers.
7936
7937         * reload1.c (choose_reload_regs): Check for invalid subregs before
7938         computing their locations, not after.
7939
7940 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7941
7942         PR 25127
7943         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7944         save Altivec registers in an eh_return function.
7945         (compute_vrsave_mask): Likewise.
7946         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7947         for saving Altivec registers.
7948         (rs6000_emit_prologue): Don't allocate stack twice in
7949         eh_return function.  Correct expected value of altivec_save_offset
7950         when using save_world.  Describe save of R0 to stack when using
7951         save_world.  Describe stack pointer adjustment when using
7952         save_world.  Remove duplicated eh_return parameter register saving.
7953         Update sp_offset variable after save_world.
7954         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7955         darwin-world.asm.
7956         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7957         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7958         implies Altivec.
7959
7960 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7961
7962         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7963
7964 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7965
7966         PR other/30182
7967         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7968         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7969
7970 2007-01-25  Richard Guenther  <rguenther@suse.de>
7971
7972         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7973         * common.opt (-Wcoverage-mismatch): New warning option.
7974         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7975         if -Wcoverage-mismatch is given.
7976
7977 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7978
7979         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7980         (ipcp_driver): Change to static definition.
7981         Add dumping of the ifunctions.
7982         (constant_val_insert): Remove unused parameter. Support for SSA.
7983         (ipcp_propagate_const): Support for SSA.
7984         (ipcp_profile_bb_print): Print only analyzed nodes.
7985         (ipcp_replace_map_create): Remove support for Fortran constant
7986         for now.
7987         * ipa-prop.c (ipa_method_modify_stmt,
7988         ipa_callsite_compute_param): Support for SSA.
7989         * ipa-prop.h (ipcp_driver): Remove declaration.
7990         (IS_VALID_TREE_MAP_INDEX): Add define.
7991
7992 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7993
7994         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7995
7996 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7997
7998         PR middle-end/30447
7999         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8000         constant argument to cabs and do it without checking for
8001         -funsafe-math-optimizations.
8002
8003 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8004
8005         * c-common.h (RID_FIRST_CXX0X): New.
8006         (RID_LAST_CXX0X): New.
8007         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8008         by -Wall.
8009         * c.opt (Wc++0x-compat): New.
8010         * doc/invoke.texi (-Wc++0x-compat): Document.
8011
8012 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8013
8014         * builtins.c (fold_builtin_carg): New.
8015         (fold_builtin_1): Use it.
8016
8017 2007-01-24  Jan Hubicka  <jh@suse.cz>
8018
8019         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8020
8021         * ipa-inline.c (initial_insns, max_insns): Delete.
8022         (compute_max_insns): New function.
8023         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8024         of insns as base for code growth.
8025         (cgraph_decide_inlining): Make initial_insns local; do not compute
8026         max_insns.
8027         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8028         * doc/invoke.texi (inline-unit-growth): Update docs.
8029
8030 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8031
8032         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8033         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8034         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8035         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8036         for CPUs that have PTA_CX16 set.
8037
8038         PR middle-end/27416
8039         * gimplify.c (omp_check_private): New function.
8040         (gimplify_scan_omp_clauses): Use it for
8041         firstprivate/lastprivate/reduction.
8042
8043         PR middle-end/30494
8044         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8045         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8046
8047         PR middle-end/30421
8048         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8049         If lower_lastprivate_clauses emits some statements, append them
8050         to dlist rather than body_p and to body_p append an initializer.
8051         (lower_omp_for): Adjust caller.
8052
8053 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8054
8055         * target.h (globalize_decl_name): New.
8056         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8057         * output.h (default_globalize_decl_name): New.
8058         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8059         globalize_label.
8060         (globalize_decl): Ditto.
8061         (default_globalize_decl_name): New.
8062         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8063         (ia64_handle_version_id_attribute): New.
8064         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8065         (ia64_asm_output_external): Use globalize_decl_name instead
8066         of globalize_label.
8067         * doc/extend.texi (version_id): New pragma.
8068         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8069
8070 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8071
8072         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8073         _uleb128_t and _Unwind_SWord with _sleb128_t.
8074         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8075         uw_frame_state_for, uw_update_context_1): Likewise.
8076         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8077         * unwind-pe.h (read_uleb128, read_sleb128,
8078         read_encoded_value_with_base): Likewise.
8079         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8080
8081 2007-01-24  Richard Guenther  <rguenther@suse.de>
8082
8083         * builtins.c (expand_builtin_cexpi): Get the fndecl
8084         for cexp in the correct way.
8085
8086 2007-01-24  Jan Hubicka  <jh@suse.cz>
8087
8088         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8089
8090 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8091
8092         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8093         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8094         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8095         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8096         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8097         __SIZEOF_PTRDIFF_T__.
8098         * doc/cpp.texi: Documentation for the new builtin macros added.
8099
8100 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8101
8102         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8103         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8104         instead of operands[2] to avoid access past the end of array.
8105
8106 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8107
8108         * reload1.c (emit_reload_insns): Pass the reload register
8109         for a non-spill output reload through forget_old_reloads_1.
8110
8111 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8112
8113         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8114         _SOFT_DOUBLE if doubles use software floating-point.
8115         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8116         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8117         * config/rs6000/darwin-ldouble.c: Also compile functions for
8118         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8119         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8120         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8121         commented-out long double override.
8122         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8123         * config/rs6000/eabispe.h: Likewise.
8124         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8125         long double for non-SPE.
8126         (rs6000_handle_option): Likewise.
8127         (invalid_e500_subreg): Disallow more subregs involding DImode,
8128         DFmode, TImode or TFmode.
8129         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8130         E500 double.
8131         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8132         double.
8133         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8134         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8135         double.
8136         (rs6000_legitimate_address): Also check for TFmode for E500
8137         double.
8138         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8139         (spe_build_register_parallel): Handle TFmode and TCmode.
8140         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8141         double.
8142         (function_arg): Handle TFmode and TCmode for E500 double.
8143         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8144         in general.
8145         (print_operand): Handle TFmode and TImode for %y.
8146         (rs6000_generate_compare): Handle TFmode comparisons for E500
8147         double.
8148         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8149         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8150         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8151         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8152         TFmode for E500 double.
8153         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8154         (floatsidf2): Enable for E500 double.
8155         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8156         (extenddftf2): Change to extenddftf2_fprs.
8157         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8158         depending on TARGET_E500_DOUBLE.
8159         (extendsftf2): Enable for E500 double.
8160         (trunctfdf2): Enable for E500 double.
8161         (trunctfsf2): Change to trunctfsf2_fprs.
8162         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8163         depending on TARGET_E500_DOUBLE.
8164         (floatsitf2): Enable for E500 double.
8165         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8166         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8167         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8168         (negtf2): Change to negtf2_internal.
8169         (negtf2): New expander.
8170         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8171         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8172         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8173         (movdi_internal32): Use rs6000_nonimmediate_operand.
8174         (unnamed splitter): Likewise.
8175         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8176         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8177         (SPE64TF, DITI): New mode macros.
8178         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8179         modes.
8180         (frob_tf_ti): New.
8181         (frob_<mode>_di_2): New.
8182         (frob_tf_di_8_2): New.
8183         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8184         (frob_ti_tf): New.
8185         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8186         more modes.
8187         (frob_ti_<mode>_8_2): New.
8188         (frob_ti_tf_2): New.
8189         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8190         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8191         TFmode.
8192         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8193         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8194         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8195         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8196         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8197         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8198         tsttflt_gp): New.
8199
8200 2007-01-23  Ian Lance Taylor  <iant@google.com>
8201
8202         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8203         insn-*.o first.
8204         (OBJS-archive): Reformat, alphabetize.
8205         (OBJS): Change out_object_file to OBJS-md.
8206
8207 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8208
8209         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8210         JUMP_P and CALL_P predicates where applicable.
8211         * config/i386/i386.c: Ditto.
8212         * config/i386/i386.md: Ditto.
8213         * config/i386/mmx.md: Ditto.
8214         * config/i386/predicates.md: Ditto.
8215
8216 2007-01-22  Andreas Schwab  <schwab@suse.de>
8217
8218         * config/m68k/m68k.h: Fix comment.
8219
8220 2007-01-22  Jan Hubicka  <jh@suse.cz>
8221
8222         * passes.c (init_optimization_passes): Do not rerun
8223         pass_early_warn_uninitialized.
8224
8225 2007-01-22  Richard Guenther  <rguenther@suse.de>
8226
8227         PR tree-optimization/30038
8228         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8229         function.
8230         (execute_cse_sincos_1): Likewise.
8231         (execute_cse_sincos): Likewise.
8232         (gate_cse_sincos): Likewise.
8233         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8234         the cexpi() canonicalization of sincos().
8235         * tree-pass.h (pass_cse_sincos): Declare.
8236         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8237
8238 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8239
8240         PR rtl-optimization/29329
8241         * combine.c (replaced_rhs_insn): Rename to i2mod.
8242         (replaced_rhs_value): Rename to i2mod_new_rhs.
8243         (i2mod_old_rhs): New global variable.
8244         (combine_instructions): Adjust for above change.  Save a copy of
8245         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8246         note are substituted in the second instruction.
8247         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8248         ditch the note if it pertains to the second eliminated register
8249         and this register is mentioned in i2mod_old_rhs.
8250
8251         Revert:
8252         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8253
8254         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8255         the insn to which the note was originally attached.
8256
8257 2007-01-21  Jan Hubicka  <jh@suse.cz>
8258
8259         * ipa-inline.c (inlining_mode): Comment, move up.
8260         (cgraph_decide_inlining_incrementally): Do not perform inlining
8261         itself; fix handling of flattening of self recursive functions.
8262         (cgraph_find_cycles): Remove.
8263         (cgraph_flatten_node): Remove.
8264         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8265         (try_inline): New function.
8266         (cgraph_early_inlining): Update call of
8267         cgraph_decide_inlining_incrementally.  Apply inlining here.
8268         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8269
8270 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8271
8272         PR bootstrap/30511
8273         * tree-vrp.c (check_array_bounds): do not warn
8274         about ADDR_EXPR's of ARRAY_REF's which are immediately
8275         used in binary expressions.
8276
8277 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8278
8279         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8280         read_write_dep and macros for its access.
8281         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8282         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8283         argument, call vect_check_interleaving for every independent pair of
8284         data-refs. Mark loads that access the same memory location as a store
8285         in the loop.
8286         (vect_check_dependences): Remove.
8287         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8288         call, fix the call to vect_analyze_data_ref_dependence.
8289         (vect_analyze_data_ref_access): For statements that access the same
8290         data-ref, check that they are not stores; for loads, check that there
8291         is no store that access the same location.
8292
8293 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8294             Joseph Myers  <joseph@codesourcery.com>
8295
8296         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8297         (-fdump-rtl-stack): Likewise.
8298         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8299         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8300         (-mpt-fixed): Use @minus{} for minus sign.
8301         (Using Precompiled Headers): Fix under/overfull hbox.
8302
8303 2007-01-20  Jan Hubicka  <jh@suse.cz>
8304
8305         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8306         place within annotation.
8307
8308 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8309
8310         * pa.c (output_move_double): Change array size of xoperands to 4.
8311
8312 2007-01-20  Jan Hubicka  <jh@suse.cz>
8313
8314         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8315         as temporary.
8316
8317 2007-01-19  Ian Lance Taylor  <iant@google.com>
8318
8319         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8320         constant to unsigned HOST_WIDE_INT before negating.
8321
8322 2007-01-19  Ian Lance Taylor  <iant@google.com>
8323
8324         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8325         to unsigned.
8326         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8327         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8328         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8329         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8330         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8331         (realloc_vdef, realloc_vuse): Change second parameter to
8332         unsigned.
8333         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8334         fields to unsigned.
8335         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8336         unsigned. Change x and lim locals to unsigned.
8337         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8338         unsigned.
8339         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8340         (copy_virtual_operands): Change i and n locals to unsigned.
8341
8342 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8343
8344         PR middle-end/29335
8345         * builtins.c (fold_builtin_1): Handle builtin fdim.
8346
8347 2007-01-20  Jan Hubicka  <jh@suse.cz>
8348
8349         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8350         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8351         init_alias_heapvars.
8352         (init_alias_heapvars): Initialize only when not already initialized.
8353         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8354
8355 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8356
8357         * common.opt (fsigned-zeros): New command line option.
8358         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8359         of flag_unsafe_math_optimizations.
8360         * opts.c (set_fast_math_flags): The -ffast-math command line option
8361         implies -fno-signed-zeros.
8362         (fast_math_flags_set_p): Likewise.
8363
8364         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8365         the documentation of -ffast-math appropriately.  Wrap long lines.
8366
8367 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8368
8369         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8370         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8371
8372 2007-01-19  Tomas Bily  <tbily@suse.cz>
8373
8374         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8375         * tree-profile.c:
8376         (tree_init_ic_make_global_vars): New function
8377         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8378         (tree_gen_ic_profiler): New function
8379         (tree_gen_ic_func_profiler): New function
8380         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8381         (tree_profile_hooks): Added hook for indirec/virtual calls
8382         * value-prof.c (tree_find_values_to_profile): New case for
8383         indirect calls
8384         (tree_values_to_profile): Call for determining indirect/virtual
8385         counters
8386         (tree_indirect_call_to_profile): New function
8387         (tree_ic_transform): New function
8388         (tree_ic): New function
8389         (find_func_by_pid): New function
8390         (init_pid_map): New function
8391         (tree_value_profile_transformations): Added check for
8392         indirect/virtual call transformation
8393         * value-prof.h (enum hist_type): New counter type for
8394         indirect/virtual calls
8395         (profile_hooks): Added new hook for profiling indirect/virtual
8396         calls
8397         * profile.c (instrument_values): New case for indirect/virtual
8398         call added
8399         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8400         (GCOV_COUNTER_V_INDIR): New counter type
8401         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8402         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8403         call added
8404         * cgraph.c: Definition of cgraph_max_pid
8405         (cgraph_create_node): Default init of pid attribute
8406         * cgraph.h: Declaration of cgraph_max_pid
8407         (struct cgraph_node): Added pid attribute
8408         * libgcov.c (__gcov_indirect_call_profiler): New function
8409         (__gcov_one_value_profiler_body): New function
8410         (__gcov_one_value_profiler): Body was moved to
8411         __gcov_one_value_profiler_body and calls it
8412
8413 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8414
8415         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8416         * gengtype.c (write_types_data, write_func_for_structure,
8417         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8418         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8419         (walk_type, write_func_for_structure): Generate the mark_hook if
8420         needed.
8421
8422 2007-01-19  Jan Hubicka  <jh@suse.cz>
8423
8424         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8425         'early' argument take inlining mode argument specifying whether to
8426         inline for size/speeed or all functions; add support for flattening;
8427         improve dumpting.
8428         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8429
8430 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8431
8432         PR c++/17947
8433         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8434         the name of the declared identifier.
8435
8436 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8437
8438         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8439         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8440         duplicate evaluation.
8441
8442 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8443
8444         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8445         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8446         to XFMode, use acosxf2 and truncate result to requested mode.
8447         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8448         (asin<mode>2): Similarly, with asin expanders.
8449         (*fscalexf4_i387): Rename from *fscalexf4.
8450         (expNcorexf3): New expander.
8451         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8452         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8453         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8454         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8455         patterns for SSE math.
8456         (exp10<mode>2): Similarly, with exp10 expanders.
8457         (exp2<mode>2): Similarly, with exp2 expanders.
8458         (expm1<mode>2): Similarly, with expm1 expanders.
8459         (ldexp<mode>3): Similarly, with ldexp expanders.
8460         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8461         Use gen_truncxf<mode>2_i387_noop to truncate result.
8462
8463 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8464
8465         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8466         for ColdFire targets.
8467
8468 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8469             Richard Sandiford  <richard@codesourcery.com>
8470
8471         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8472         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8473         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8474         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8475         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8476         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8477
8478 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8479
8480         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8481         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8482         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8483         (*adddi_dilshr32_cf): New pattern.
8484         (adddi3, subdi3): Remove first alternatives.
8485
8486 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8487
8488         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8489         implemented using move.l, do not use its cc result for floating-point
8490         comparisons.
8491
8492 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8493
8494         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8495         from accepting 's' constraints if flag_pic.
8496
8497 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8498
8499         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8500         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8501         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8502         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8503
8504 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8505
8506         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8507         ColdFire alternatives.
8508         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8509         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8510         architectures that support ff1 instruction.
8511
8512 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8513             Julian Brown  <julian@codesourcery.com>
8514
8515         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8516         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8517         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8518         Add commentary.
8519
8520 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8521
8522         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8523         and return a bool.
8524         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8525         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8526         HOST_WIDE_INT instead of an rtx.
8527         (m68k_rtx_costs): Update call accordingly.
8528         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8529         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8530         Return a bool.
8531         (output_move_simode_const): Update calls after above changes.
8532         Rework to use automatic variables and predicates like MEM_P.
8533         * config/m68k/m68k.md (pushexthisi_const): Update call to
8534         valid_mov3q_const.
8535
8536 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8537
8538         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8539         in dump_flags test.
8540
8541 2007-01-19  Richard Guenther  <rguenther@suse.de>
8542
8543         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8544         via cexp in case sincos is not available.
8545
8546 2007-01-19  Richard Guenther  <rguenther@suse.de>
8547
8548         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8549         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8550         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8551         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8552         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8553         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8554         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8555         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8556
8557 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8558
8559         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8560         New insn patterns.
8561         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8562         (atan2xf3): Directly generate RTL pattern.
8563         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8564         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8565         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8566         disable patterns for SSE math.
8567         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8568         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8569         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8570         disable patterns for SSE math.
8571
8572 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8573
8574         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8575
8576 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8577
8578         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8579         VIEW_CONVERT_EXPR to the same type as it's operand.
8580
8581 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8582
8583         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8584         configured for long double 128.
8585
8586 2007-01-18  Mike Stump  <mrs@apple.com>
8587
8588         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8589         error.
8590
8591 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8592
8593         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8594         type correct.
8595
8596 2007-01-18  Jan Hubicka  <jh@suse.cz>
8597
8598         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8599         greater than NUM_VOP_FREE_BUCKETS.
8600
8601 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8602
8603         * tree-ssa-structalias.c: Update comments.
8604         (ptabitmap_obstack): Removed.
8605         (pta_obstack): New.
8606         (oldpta_obstack): Ditto.
8607         (stats): Add a few members.
8608         (struct variable_info): Remove node, complex, address_taken, and
8609         indirect_target members. Add oldsolution member.
8610         (new_var_info): Do not initialize removed members.
8611         (constraint_expr_type): Remove INCLUDES.
8612         (constraint_graph): Add size, implicit_preds, rep,
8613         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8614         (FIRST_REF_NODE): New macro.
8615         (LAST_REF_NODE): Ditto.
8616         (FIRST_ADDR_NODE): Ditto.
8617         (find): New function.
8618         (unite): Ditto.
8619         (dump_constraint): Do not handle INCLUDES.
8620         (insert_into_complex): Do not insert duplicate constraints.
8621         (condense_varmap_nodes): Renamed and rewritten into ...
8622         (merge_node_constraints): This. Also fix bug in handling of
8623         offseted copy constraints.
8624         (clear_edges_for_node): No longer need to deal with preds at all,
8625         or removing associated preds/succs.
8626         (merge_graph_nodes): Deal with indirect_cycles.
8627         Don't deal with predecessors.
8628         (add_implicit_graph_edge): New function.
8629         (add_pred_graph_edge): Ditto.
8630         (add_graph_edge): Don't deal with predecessors.
8631         (build_constraint_graph): Removed.
8632         (build_pred_graph): New function.
8633         (build_succ_graph): Ditto.
8634         (struct scc_info): Removed in_component. Added roots, dfs, and
8635         node_mapping. Remove visited_index, unification_queue.
8636         (scc_visit): Deal with union-find we do now.
8637         Deal with cycles with REF nodes.
8638         (collapse_nodes): Renamed and rewritten to ...
8639         (unify_nodes): This.
8640         (process_unification_queue): Removed.
8641         (topo_visit): Cleanup
8642         (do_da_constraint): Use find.
8643         (do_sd_constraint): Ditto.
8644         (do_ds_constraint): Ditto.
8645         (do_complex_constraint): Ditto.
8646         (init_scc_info): Update for removed and added members.
8647         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8648         (find_indirect_cycles): This.
8649         (equivalence_class): New variable.
8650         (label_visit): New function.
8651         (perform_variable_substitution): Rewritten.
8652         (free_var_substitution_info): New function.
8653         (find_equivalent_node): Ditto.
8654         (move_complex_constraints): Ditto.
8655         (eliminate_indirect_cycles): Ditto.
8656         (solve_graph): Only propagate changed bits.
8657         Use indirect cycle elimination.
8658         Use find.
8659         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8660         (tree_id_eq): Renamed to ...
8661         (tree_vi_eq): This. Update for member change
8662         (insert_id_for_tree): Renamed and rewritten to ...
8663         (insert_vi_for_tree): This.
8664         (lookup_id_for_tree): Renamed and rewritten to ...
8665         (lookup_vi_for_tree): This.
8666         (get_id_for_tree): Renamed and rewritten to ...
8667         (get_vi_for_tree): Ditto.
8668         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8669         (process_constraint): Don't handle INCLUDES.
8670         Remove special ADDRESSOF case.
8671         (find_func_aliases): Rewrite to use vi functions instead of id
8672         ones.
8673         (create_function_info_for): Ditto.
8674         (create_variable_info_for): Ditto.
8675         (intra_create_variable_infos): Ditto.
8676         (merge_smts_into): Ditto.
8677         (find_what_p_points_to): Ditto.
8678         (init_base_vars): Ditto.
8679         (init_alias_vars): Ditto.
8680         (remove_preds_and_fake_succs): New function.
8681         (dump_sa_points_to_info): Dump new stats.
8682         (dump_solution_for_var): Use find.
8683         (set_used_smts): Fix formatting.
8684         (compute_points_to_sets): Updated for new functions.
8685         (ipa_pta_execute): Ditto.
8686
8687 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8688             Richard Sandiford  <richard@codesourcery.com>
8689
8690         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8691         parallels.
8692         * calls.c (expand_call): If the return value is a PARALLEL,
8693         extract its first member.
8694         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8695         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8696         use FUNCTION_EXTRA_EPILOGUE.
8697         (m68k_function_value): Return a PARALLEL if the return value
8698         is of a pointer type.
8699         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8700         (FUNCTION_EXTRA_EPILOGUE): Remove.
8701         * config/m68k/m68k.md (D0_REG): New constant.
8702
8703 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8704
8705         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8706         output a NOP for empty epilogues.
8707
8708 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8709
8710         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8711         before function.  Extend register save check to include all
8712         registers, not just integer ones.
8713
8714 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8715
8716         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8717         (m68k_use_return_insn): ...this.
8718         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8719         * config/m68k/m68k.c (use_return_insn): Rename to...
8720         (m68k_use_return_insn): ...this.
8721         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8722         of USE_RETURN_INSN.
8723
8724 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8725
8726         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8727         nearest even, fix denormal rounding overflow.
8728
8729 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8730
8731         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8732         f%$smove and f%$move.
8733         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8734         (extendsfdf2_cf): Use fdmove instead of f%&move.
8735         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8736         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8737
8738 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8739
8740         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8741         GPR<-GPR moves.
8742
8743 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8744
8745         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8746         (coldfire_single_format): Declare.
8747         (coldfire_double_format): Likewise.
8748         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8749         of qnan_msb_set to determine the lower bits of a canonical
8750         NaN significand.
8751         (encode_ieee_double): Likewise.
8752         (encode_ieee_quad): Likewise.
8753         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8754         (mips_single_format): Likewise.
8755         (ieee_double_format): Likewise.
8756         (mips_double_format): Likewise.
8757         (ieee_extended_motorola_format): Likewise.
8758         (ieee_extended_intel_96_format): Likewise.
8759         (ieee_extended_intel_128_format): Likewise.
8760         (ieee_extended_intel_96_round_53_format): Likewise.
8761         (ibm_extended_format): Likewise.
8762         (mips_extended_format): Likewise.
8763         (ieee_quad_format): Likewise.
8764         (mips_quad_format): Likewise.
8765         (vax_f_format): Likewise.
8766         (vax_d_format): Likewise.
8767         (vax_g_format): Likewise.
8768         (i370_single_format): Likewise.
8769         (i370_double_format): Likewise.
8770         (decimal_single_format): Likewise.
8771         (decimal_double_format): Likewise.
8772         (decimal_quad_format): Likewise.
8773         (c4x_single_format): Likewise.
8774         (c4x_extended_format): Likewise.
8775         (real_internal_format): Likewise.
8776         (coldfire_single_format): New real_format.
8777         (coldfire_double_format): Likewise.
8778         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8779         canonical_nan_lsbs_set.
8780         (pdp11_d_format): Likewise.
8781         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8782         if TARGET_COLDFIRE_CPU.
8783
8784 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8785
8786         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8787         (output_call, m68k_legitimize_call_address): Declare.
8788         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8789         parenthesees.  Add support for a 'W' constraint.
8790         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8791         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8792         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8793         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8794         variables.
8795         (override_options): Initialize them.  Do not set flag_no_function_cse
8796         for TARGET_ID_SHARED_LIBRARY.
8797         (m68k_output_pic_call): Delete.
8798         (m68k_legitimize_call_address): New function.
8799         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8800         (output_call): New function.
8801         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8802         target address from the GOT if symbolic jumps are not allowed.
8803         * config/m68k/m68k.md (call, general_operand): Do not set
8804         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8805         Merge separate flag_pic and !flag_pic define_insns into...
8806         (*call, *call_value): ...these new patterns.  Match the address
8807         rather than the containing MEM and require it to be a call_operand.
8808         Use output_call to generate the asm template.
8809         * config/m68k/predicates.md (const_call_operand): New predicate.
8810         (call_operand): Likewise.
8811
8812 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8813
8814         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8815         (STACK_GROWS_DOWNWARD): Define to 1.
8816         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8817         comments, emphasizing that these values are only defaults.
8818         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8819         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8820
8821 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8822
8823         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8824
8825 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8826             Richard Sandiford  <richard@codesourcery.com>
8827
8828         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8829         (FP_REGNO_P): New macros.
8830         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8831         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8832         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8833         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8834
8835 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8836
8837         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8838         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8839         to $tmake_file.
8840         * config/m68k/t-floatlib: New file, extracting common code from...
8841         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8842         * config/m68k/t-uclinux: Here.
8843         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8844         routines on ColdFire targets.
8845
8846 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8847
8848         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8849         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8850         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8851         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8852         explicitly set MOTOROLA to 1.
8853         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8854
8855 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8856             Nathan Sidwell  <nathan@codesourcery.com>
8857
8858         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8859         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8860         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8861         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8862         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8863         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8864         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8865         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8866         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8867         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8868         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8869         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8870         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8871         (DBX_REGISTER_NUMBER): Delete.
8872         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8873         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8874         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8875
8876 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8877
8878         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8879         * config/flat.h: New file.
8880         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8881         OBJECT_FORMAT_FLAT.
8882         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8883         indirect references for -msep-data or -mid-shared-library.
8884         Do not use PC-relative code addresses either.
8885         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8886         to -mpcrel.
8887         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8888         for shared libraries and crt1.o for executables.  Use crti.o and
8889         crtbegin.o.
8890         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8891         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8892         Do not add -elf2flt or -shared-lib-id options here.
8893         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8894         Pass -shared-lib-id if -mid-shared-library, taking the library
8895         identifier from -mshared-library-id if given, otherwise
8896         defaulting to 0.
8897         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8898         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8899         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8900         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8901         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8902         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8903         and crtend.o.
8904         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8905         jump sequence for ISA A and ISA A+.
8906         (PICJUMP): Likewise.
8907
8908 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8909
8910         * config.gcc (m68k-*-uclinux*): Base the port on the common
8911         and m68k GNU/Linux files rather than on the generic ELF ones.
8912         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8913         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8914
8915 2007-01-18  Julian Brown  <julian@codesourcery.com>
8916             Richard Sandiford  <richard@codesourcery.com>
8917
8918         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8919         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8920         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8921         before redefining.
8922         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8923         80 unconditionally.
8924         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8925
8926 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8927
8928         * doc/install.texi: Document m68k-uclinuxoldabi.
8929         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8930         * config/m68k/uclinux-oldabi.h: New file, copied from
8931         config/m68k/uclinux.h.
8932
8933 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8934
8935         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8936         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8937         (m32r_compute_frame_size): Use unsigned for regno.
8938         (m32r_reload_lr): Use gen_frame_mem.
8939         (pop): New.
8940         (m32r_output_function_epilogue): Don't output the function epilogue
8941         textually here.
8942         (m32r_expand_epilogue): New.
8943         (direct_return): Return false if the function has the interrupt
8944         attribute.
8945         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8946         * config/m32r/m32r.md (epilogue): New expander.
8947         (return_lr, return_rte): New insns.
8948         (return): Make it expander.
8949         (return_normal): New expander.
8950
8951 2007-01-18  Josh Conner  <jconner@apple.com>
8952
8953         PR target/30485
8954         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8955         support for UNLE, UNLT, UNGE, and UNGT.
8956
8957 2007-01-18  Jan Hubicka  <jh@suse.cz>
8958
8959         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8960         * tree-tailcall (add_virtual_phis): Likewise.
8961         (optimize_tail_call): Return TODOs.
8962         (execute_tail_calls): Return TODOs.
8963         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8964         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8965         changed.
8966         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8967         Cleanup cfg using TODO.
8968         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8969         * passes.c (execute_function_todo): When cleanup did something, remove
8970         unused locals.
8971         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8972         (make_edges): Don't cleanup_cfg.
8973
8974 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8975
8976         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8977         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8978         operate on the top of stack.
8979         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8980         register handling of instructions that output to the second
8981         stack slot.
8982         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8983         (move_for_stack_reg): Special-case check for dead destination
8984         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8985
8986         * config/i386/i386.md (UNSPEC_TAN): New constant.
8987         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8988         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8989         to correctly model move of constant 1.0 to top stack slot.
8990         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8991         (unnamed peephole2 pattern): Remove corresponding peephole2
8992         pattern that optimizes tan insn and loading of constant 1.0.
8993         (tanxf2): Use fptanxf4_i387.
8994         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8995         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8996         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8997         disable patterns for SSE math.
8998         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8999         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9000
9001 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9002             Richard Guenther <rguenther@suse.de>
9003
9004         PR diagnostic/8268
9005         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9006         * common.opt (Warray-bounds): Add new warning option.
9007         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9008         if -Wall is given.
9009         * Makefile.in: make tree-vrp.o depend on toplev.h
9010         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9011         is enabled.
9012         (check_array_refs, check_array_bounds, check_array_ref): New.
9013
9014 2007-01-18  Jan Hubicka  <jh@suse.cz>
9015
9016         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9017         (execute_ssa_ccp): Return flags conditionally.
9018         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9019         changed.
9020         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9021
9022 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9023
9024         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9025         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9026
9027         * Makefile.c (GTFILES): Add cfglayout.h.
9028         * gengtype.c (open_base_files): Likewise.
9029         * cfglayout.c (cfg_layout_function_footer,
9030         cfg_layout_function_header) Reindent to make gengtype happy.
9031         * cfglayout.h (cfg_layout_function_footer,
9032         cfg_layout_function_header): Add GTY(()) marker.
9033
9034         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9035
9036 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9037
9038         * genautomata.c (write_automata): Include xstrerror output in the
9039         error message if writing the DFA description file fails.
9040
9041 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9042
9043         * config/mips/mips-protos.h (mips_output_external): Make it
9044         return void.
9045         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9046         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9047         (extern_list): Likewise.
9048         (extern_head): Likewise.
9049         (TARGET_ASM_FILE_END): Likewise.
9050         (mips_file_end): Likewise.
9051         (mips_output_external): Rewritten.
9052
9053 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9054
9055         * genpreds.c (write_insn_preds_c): Only write out the function
9056         body for regclass_for_constraint if we have register constraints.
9057
9058 2007-01-17  Tom Tromey  <tromey@redhat.com>
9059
9060         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9061         * doc/install.texi (Testing): Use sourceware.org.
9062         (Binaries): Likewise.
9063         (Specific): Likewise.
9064         * doc/contrib.texi (Contributors): Use sourceware.org.
9065
9066 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9067
9068         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9069         (AVR_ENHANCED): Rename to ...
9070         (AVR_HAVE_MUL): ... new.
9071         (avr_enhanced_p): Rename to ...
9072         (avr_have_mul_p): ... new.
9073         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9074         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9075         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9076         (avr_have_mul_p): ... new.
9077         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9078         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9079         'avr_enhanced_p' and 'enhanced'.
9080         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9081         AVR_HAVE_MUL instead of AVR_ENHANCED.
9082         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9083         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9084         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9085         instead of AVR_ENHANCED.
9086         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9087         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9088         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9089
9090 2007-01-17  Ian Lance Taylor  <iant@google.com>
9091
9092         * vec.h (VEC_reserve_exact): Define.
9093         (vec_gc_p_reserve_exact): Declare.
9094         (vec_gc_o_reserve_exact): Declare.
9095         (vec_heap_p_reserve_exact): Declare.
9096         (vec_heap_o_reserve_exact): Declare.
9097         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9098         versions.
9099         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9100         negative parameter.
9101         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9102         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9103         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9104         * vec.c (calculate_allocation): Add exact parameter.  Change all
9105         callers.
9106         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9107         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9108         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9109         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9110         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9111         (vec_heap_p_reserve_exact): New function.
9112         (vec_heap_o_reserve_exact): New function.
9113
9114 2007-01-17  Jan Hubicka  <jh@suse.cz>
9115
9116         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9117
9118 2007-01-17  Eric Christopher  <echristo@apple.com>
9119
9120         * config.gcc: Support core2 processor.
9121
9122 2007-01-16  Jan Hubicka  <jh@suse.cz>
9123
9124         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9125         the names, just unlink the chain so we don't crash on dangling pointers
9126         to dead SSA names.
9127
9128 2007-01-16  Jan Hubicka  <jh@suse.cz>
9129
9130         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9131         * tree-pass.h: Reorder to make IPA passes appear toegher.
9132         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9133         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9134         parameters, do not call early inliner.
9135         * ipa-inline.c: Update comments.  Include tree-flow.h
9136         (cgraph_decide_inlining): Do not compute inlining parameters.
9137         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9138         be called with function context set up.
9139         (pass_ipa_inline): Remove unreachable functions before pass.
9140         (cgraph_early_inlining): Simplify assuming to be called from the
9141         PM as local pass.
9142         (pass_early_inline): New pass.
9143         (cgraph_gate_ipa_early_inlining): New gate.
9144         (pass_ipa_early_inline): Turn into simple wrapper.
9145         (compute_inline_parameters): New function.
9146         (gate_inline_passes): New gate.
9147         (pass_inline_parameters): New pass.
9148         (apply_inline): Move here from tree-optimize.c
9149         (pass_apply_inline): New pass.
9150         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9151         transforming.
9152         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9153         doing them by hand.
9154         (tree_function_versioning): Do not allocate dummy struct function.
9155         * tree-inline.h (optimize_inline_calls): Update prototype.
9156         * tree-optimize.c (execute_fixup_cfg): Export.
9157         (pass_fixup_cfg): Remove
9158         (tree_rest_of_compilation): Do not apply inlines.
9159         * tree-flow.h (execute_fixup_cfg): Declare.
9160         * Makefile.in (gt-passes.c): New.
9161         * passes.c: Include gt-passes.h
9162         (init_optimization_passes): New passes.
9163         (nnodes, order): New static vars.
9164         (do_per_function_toporder): New function.
9165         (execute_one_pass): Dump current pass here.
9166         (execute_ipa_pass_list): Don't dump current pass here.
9167
9168 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9169
9170         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9171         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9172
9173 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9174
9175         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9176         (strong_alias): Define.
9177         (__gcc_qmul): Provide non-FMA for soft-float.
9178         (__gcc_qdiv): Same.
9179         (__gcc_qneg): New.
9180         (__gcc_qeq): New.
9181         (__gcc_qle): New.
9182         (__gcc_qge): New.
9183         (__gcc_qunord): New.
9184         (__gcc_stoq): New.
9185         (__gcc_dtoq): New.
9186         (__gcc_qtos): New.
9187         (__gcc_qtod): New.
9188         (__gcc_qtoi): New.
9189         (__gcc_qtou): New.
9190         (__gcc_itoq): New.
9191         (__gcc_utoq): New.
9192         (fmsub): New.
9193         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9194         soft-float functions.
9195         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9196         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9197         about long double soft float.
9198
9199 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9200             Tehila Meyzels  <tehila@il.ibm.com>
9201
9202         * tree-vectorizer.h (is_pattern_stmt_p): New.
9203         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9204         formatting (tabs instead of spaces). Cleanup and clarify setting
9205         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9206         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9207         (vectorizable_type_demotion): Check that types are integral.
9208         (vectorizable_type_promotion): Likewise.
9209         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9210         comments.
9211
9212 2007-01-16  Jan Hubicka  <jh@suse.cz>
9213
9214         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9215         cgraph edges too.
9216
9217 2007-01-15  Eric Christopher  <echristo@apple.com>
9218
9219         * ifcvt.c: Include vec.h, vecprim.h.
9220         (check_cond_move_block): New argument regs.
9221         Reorganize. Add registers used to regs.
9222         (cond_move_process_if_block): Use regs set above as
9223         loop bounds.
9224
9225 2007-01-15  Eric Christopher  <echristo@apple.com>
9226
9227         * config/darwin.h: Update copyright.
9228         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9229         (LINK_COMMAND_SPEC): Add -u.
9230         (LINK_SPEC): Fix umbrella for above.
9231
9232 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9233
9234         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9235         glibc CVS.
9236
9237 2007-01-15  Tom Tromey  <tromey@redhat.com>
9238
9239         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9240         * doc/install.texi (Testing): Don't mention jacks.
9241         (Configuration): Document --enable-java-maintainer-mode.  Move
9242         --with-java-home to libgcj-specific section.  Document
9243         --with-ecj-jar.
9244         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9245
9246 2007-01-15  Jan Hubicka  <jh@suse.cz>
9247
9248         * tree-ssa-dce.c (DCE_TODOs): New.
9249         (propagate_necessity): Return if something changed.
9250         (eliminate_unnecessary_stmts): Likewise.
9251         (perform_tree_ssa_dce): Return TODO flags when needed.
9252         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9253
9254 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9255
9256         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9257         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9258         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9259         patterns using X87MODEF12 mode macro.  Extend operand 1
9260         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9261         (log10<mode>2): Ditto.
9262         (log2<mode>2): Ditto.
9263         (log1p<mode>2): Ditto.
9264         (logb<mode>2): Ditto.
9265         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9266         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9267         (*fxtractxf3_i387): Rename from *fxtractxf3.
9268         (fxtract_extend<mode>xf3_i387): New insn pattern.
9269         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9270         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9271         and gen_fyl2xxf3_i387().
9272
9273 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9274
9275         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9276         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9277         get_loop_exit_edges.  Changed return type to bool.
9278         * cfgloop.h (fix_loop_placement): Declaration removed.
9279
9280 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9281
9282         * param.h (MIN_VECT_LOOP_BOUND): New.
9283         * params.def (MIN_VECT_LOOP_BOUND): New.
9284         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9285         argument - minimum threshold for number of iterations.
9286         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9287         argument to declaration.
9288         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9289         MIN_VECT_LOOP_BOUND.
9290         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9291         slpeel_tree_peel_loop_to_edge with additional argument.
9292         (vect_do_peeling_for_alignment): Likewise.
9293         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9294
9295 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9296
9297         PR target/30413
9298         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9299         operands of size 1.
9300
9301 2007-01-14  Jan Hubicka  <jh@suse.cz>
9302
9303         * tree-dfa.c (remove_referenced_var): New function.
9304         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9305         prune referenced vars list too.
9306         * tree-flow.h (remove_referenced_var): Declare.
9307
9308 2007-01-14  Jan Hubicka  <jh@suse.cz>
9309
9310         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9311         separately.
9312         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9313         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9314         * except.h (verify_eh_throw_table_statements): Kill prototype.
9315         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9316         into call exrepssions.
9317         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9318         eh trhow verifier.
9319         * tree-cfg.c: Include pointer-set.h.
9320         (verify_node_sharing): Work on pointer set.
9321         (verify_eh_throw_stmt_node): New.
9322         (verify_stmts): Use pointers sets, verify throw_stmt.
9323
9324 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9325
9326         * ipa-reference.c (analyze_function): Consider also addresses taken
9327         in phi nodes.
9328
9329 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9330
9331         * c-typeck.c (null_pointer_constant_p): Replace use of
9332         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9333         (build_c_cast): Likewise.
9334
9335 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9336
9337         * tree.h (force_fit_type_double): Remove unused final argument.
9338         * c-common.c (constant_expression_warning): Replace use of
9339         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9340         (convert_and_check): Likewise.
9341         (shorten_compare): Update call to force_fit_type_double.
9342         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9343         * convert.c (convert_to_pointer): Update call to
9344         force_fit_type_double.
9345         * fold-const.c (force_fit_type_double): Remove overflowed_const
9346         argument.
9347         (int_const_binop, fold_convert_const_int_from_int,
9348         fold_convert_const_int_from_real, fold_div_compare,
9349         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9350         fold_abs_const, fold_not_const): Remove the final argument from
9351         calls to force_fit_type_double.
9352
9353 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9354
9355         * configure.ac: Set insn to "nop" for spu-*-* also.
9356         * configure: Regenerate.
9357
9358 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9359
9360         * builtins.def : Add BUILT_IN_FREE.
9361
9362 2007-01-12  Jan Hubicka  <jh@suse.cz>
9363
9364         PR tree-optimization/30443
9365         * tree-inline.c (tree_function_versioning): Do not optimize when
9366         cloning for inlining.
9367
9368 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9369
9370         * doc/loop.texi: Document recording of loop exits.
9371         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9372         (update_single_exits_after_duplication,
9373         update_single_exit_for_duplicated_loop,
9374         update_single_exit_for_duplicated_loops): Removed.
9375         (duplicate_loop_to_header_edge): Do not call
9376         update_single_exits_after_duplication and
9377         update_single_exit_for_duplicated_loops.
9378         (loop_version): Do not update single_exit information.
9379         (fix_loop_structure): Use record_loop_exits instead of
9380         mark_single_exit_loops.
9381         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9382         the lists of loop exits.
9383         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9384         split_edge, merge_blocks): Update the lists of loop exits.
9385         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9386         loop_optimizer_init.
9387         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9388         of mark_single_exit_loops.
9389         (loop_optimizer_finalize): Call release_recorded_exits.
9390         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9391         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9392         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9393         update single exit information.
9394         * lambda-code.c (perfect_nestify): Ditto.
9395         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9396         (mark_single_exit_loops): Removed.
9397         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9398         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9399         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9400         functions.
9401         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9402         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9403         (verify_loop_structure): Verify consistency of the exit lists.
9404         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9405         (set_single_exit): Removed.
9406         * cfgloop.h (struct loop_exit): New function.
9407         (struct loop): single_exit_ field replaced by exits field.
9408         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9409         (struct loops): Added exits hash.
9410         (mark_single_exit_loops, set_single_exit): Declaration removed.
9411         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9412
9413 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9414
9415         * doc/invoke.texi: Avoid use of @headitem.
9416
9417 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9418
9419         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9420
9421 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9422
9423         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9424         list of targets.
9425
9426 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9427             Richard Sandiford  <richard@codesourcery.com>
9428
9429         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9430         * config/m68k/m68k.opt: Resort options.
9431         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9432
9433 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9434             Richard Sandiford  <richard@codesourcery.com>
9435
9436         * doc/invoke.texi: Document the macros that are defined by
9437         m68k's -mtune and -mhard-float options.
9438         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9439         (m68k_cpp_cpu_family): Likewise.
9440         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9441         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9442         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9443         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9444         (m68k_cpp_cpu_family): Likewise.
9445
9446 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9447
9448         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9449         macros besides mc68000 as tuning macros.  Use a switch statement
9450         to set them and mcpu32.
9451
9452 2007-01-12  Julian Brown  <julian@codesourcery.com>
9453
9454         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9455         (TARGET_68040_ONLY): Rename to...
9456         (TARGET_68040): ...this.
9457         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9458         * config/m68k/m68k.md: Likewise.
9459
9460 2007-01-12  Julian Brown  <julian@codesourcery.com>
9461             Nathan Sidwell  <nathan@codesourcery.com>
9462             Richard Sandiford  <richard@codesourcery.com>
9463
9464         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9465         the -mcpu= argument associated with the --with-cpu setting.
9466         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9467         if different from the one implied by the -mcpu setting.
9468         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9469         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9470         * doc/invoke.texi: Mention ColdFire in the introduction to the
9471         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9472         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9473         -mhard-float.  Document the previously-undocumented -m5206e,
9474         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9475         documentation for consistency.
9476         * doc/install.texi: Mention new --with-cpu arguments.
9477         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9478         default CPU if neither -mcpu nor -march are specified.
9479         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9480         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9481         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9482         using m68k_tune to decide between families that implement the
9483         same ISA.  Use m68k_tune to set __mcfv4e__.
9484         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9485         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9486         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9487         (FL_ISA_C, FL_ISA_MMU): New macros.
9488         (MASK_COLDFIRE): Delete.
9489         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9490         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9491         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9492         (TARGET_HARD_FLOAT): Do not define here.
9493         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9494         (TUNE_68000): New macro.
9495         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9496         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9497         (TUNE_CFV2): Redefine in terms of m68k_tune.
9498         (uarch_type, target_device, fpu_type): New enums.
9499         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9500         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9501         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9502         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9503         (FL_FOR_isa_c): New macros.
9504         (m68k_isa): New enum.
9505         (m68k_target_selection): New structure.
9506         (all_devices, all_isas, all_microarchs): New tables.
9507         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9508         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9509         (MASK_ALL_CPU_BITS): Delete.
9510         (m68k_find_selection): New function.
9511         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9512         Map the legacy target options to a combination of the new ones.
9513         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9514         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9515         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9516         settings.
9517         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9518         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9519         properties.
9520         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9521         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9522         * config/m68k/m68k-devices.def: New file.
9523
9524 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9525             Nathan Sidwell  <nathan@codesourcery.com>
9526
9527         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9528         (SUBTARGET_EXTRA_SPECS): New macros.
9529         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9530         use %(asm_cpu_spec) instead.
9531         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9532         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9533         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9534         (EXTRA_SPECS): Rename to...
9535         (SUBTARGET_EXTRA_SPECS): ...this.
9536
9537 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9538             Richard Sandiford  <richard@codesourcery.com>
9539             Julian Brown  <julian@codesourcery.com>
9540
9541         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9542         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9543         to the configuration's default CPU.
9544         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9545         Remove default masks.
9546         (m680[012]0-*-*): Set the default with_cpu to the first part of
9547         the target name.
9548         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9549         (m68k*-*-linux): Extend the --with-cpu handling to...
9550         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9551         and m68010.  Don't set target_cpu_default2.
9552         * doc/install.texi: Document --with-cpu for m68k.
9553         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9554         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9555         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9556         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9557         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9558         (ASM_SPEC): Remove use of %(asm_cpu_default).
9559         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9560         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9561         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9562         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9563         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9564         (TARGET_DEFAULT): Delete.
9565         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9566         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9567         (CPP_CPU_SPEC): Delete.
9568         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9569         the appropriate string.
9570         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9571         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9572         (ASM_SPEC): Don't use %(asm_default_spec).
9573         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9574         TARGET_DEFAULT and add MASK_68881.
9575         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9576
9577 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9578
9579         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9580         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9581         MASK_68010 alongside MASK_68020.
9582         * doc/invoke.texi: Document -m68010.
9583         * config/m68k/m68k.opt (m68010): New.
9584         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9585         if TUNE_68010.
9586         (TUNE_68010): New macro.
9587         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9588         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9589         (M68K_CPU_m68332): Add MASK_68010.
9590         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9591         fallback definition.
9592         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9593         defines.
9594         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9595         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9596         to all entries that use MASK_68020.
9597         (output_move_simode_const, output_move_himode, output_move_qimode)
9598         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9599         instead of TARGET_68020 to select clr behavior.  Remove comment
9600         about there being no TARGET_68010.
9601         * config/m68k/m68k.md: Likewise throughout.
9602
9603 2007-01-12  Julian Brown  <julian@codesourcery.com>
9604
9605         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9606         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9607         * config/m68k/m68k.md: Likewise.
9608
9609 2007-01-12  Julian Brown  <julian@codesourcery.com>
9610
9611         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9612         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9613
9614 2007-01-12  Julian Brown  <julian@codesourcery.com>
9615
9616         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9617         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9618         * config/m68k/m68k.md: Likewise.
9619
9620 2007-01-12  Julian Brown  <julian@codesourcery.com>
9621             Richard Sandiford  <richard@codesourcery.com>
9622
9623         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9624         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9625         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9626         TARGET_CPU32.
9627         (TARGET_CPU32): Rename to...
9628         (TUNE_CPU32): ...this.
9629         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9630         (TUNE_CFV2): New macros.
9631         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9632         remove conditions that are implied by TARGET_68020.
9633         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9634         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9635         (m68k_output_function_epilogue): Likewise.
9636         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9637         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9638         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9639         non-68000 timings.  Refactor multiplication and division costs.
9640         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9641         TUNE_CPU32 instead of TARGET_CPU32.
9642         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9643         and TUNE_68060 instead of TARGET_68060.
9644         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9645         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9646         TARGET_CPU32.
9647         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9648         && !TARGET_COLDFIRE" to choose between moveq and clr.
9649         Likewise in the unnamed movsf pattern.
9650         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9651         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9652         ashiftrt pattern.
9653
9654 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9655
9656         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9657         of tabbing before backslashes.
9658
9659 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9660
9661         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9662         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9663         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9664
9665 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9666
9667         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9668         find_interesting_uses_cond.
9669         (find_interesting_uses_cond): Use extract_cond_operands.
9670         (rewrite_use_compare): Use extract_cond_operands and
9671         force_gimple_operand_bsi.  Do not call update_stmt.
9672         (determine_use_iv_cost_condition): Use extract_cond_operands.
9673         Return cheaper of using original bound and changing the exit bound.
9674
9675 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9676
9677         PR tree-optimization/29516
9678         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9679         most_expensive_mult_to_index, addr_to_parts,
9680         create_mem_ref, maybe_fold_tmr): Make the type of
9681         fields of TARGET_MEM_REF sizetype.
9682         (move_fixed_address_to_symbol, move_pointer_to_base):
9683         New functions.
9684         * tree.def (TARGET_MEM_REF): Add comment on types of
9685         the operands.
9686
9687 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9688
9689         * c-common.c (vector_types_convertible_p): Treat opaque types as
9690         always convertible if they have the same size, but not otherwise.
9691
9692 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9693
9694         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9695         Remove the b_unconditional field.
9696         (noce_try_sign_mask): Do not look at b_unconditional.
9697         (noce_process_if_block): Do not use merge_if_blocks.  Update
9698         the CFG here.  Do not set b_unconditional.
9699         (cond_move_process_if_block): Likewise.
9700         (find_cond_trap): Likewise.
9701         (check_cond_move_block): Require simple jump insns at the end
9702         of the basic block.
9703
9704 2007-01-11  Jan Hubicka  <jh@suse.cz>
9705
9706         PR tree-optimization/1046
9707         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9708         when alias info is not ready.
9709         (pass_tail_recursion): Do not require aliasing.
9710         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9711         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9712         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9713         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9714         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9715         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9716         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9717         before inlining.
9718         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9719         When aliasing is not build, mark statement as volatile.
9720
9721 2007-01-11  Tom Tromey  <tromey@redhat.com>
9722
9723         PR preprocessor/15185, PR preprocessor/20989:
9724         * doc/cppopts.texi <-MT>: Update description of algorithm for
9725         computing default target.
9726         <-M, -MD>: Reword "basename" text.
9727
9728 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9729
9730         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9731         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9732         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9733         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9734         fold_builtin_bswap, real_constp, fold_builtin_pow,
9735         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9736         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9737         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9738         * convert.c (convert_to_pointer): Likewise.
9739         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9740         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9741         const_binop, fold_convert_const_int_from_int,
9742         fold_convert_const_int_from_real,
9743         fold_convert_const_real_from_real, sign_bit_p,
9744         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9745         fold_sign_changed_comparison, fold_unary, fold_comparison,
9746         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9747         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9748         * print-tree.c (print_node_brief, print_node): Likewise.
9749         * stor-layout.c (place_field, layout_type): Likewise.
9750         * tree-chrec.c (keep_cast): Likewise.
9751         * tree.c (build_vector, build_real, build_real_from_int_cst,
9752         build_complex): Likewise.
9753
9754 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9755
9756         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9757         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9758
9759 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9760
9761         * configure.ac (strict1_warn): Rename to strict_warn.
9762         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9763         cc_set_by_configure, quoted_cc_set_by_configure,
9764         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9765         all_boot_languages, all_stagestuff): Remove.
9766         (target_list): Remove bootstrap targets.
9767         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9768         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9769         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9770         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9771         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9772         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9773         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9774         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9775         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9776         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9777         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9778         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9779         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9780         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9781         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9782         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9783         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9784         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9785         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9786         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9787         (mostlyclean): Adjust.
9788         (clean, distclean): Don't mention bootstrap stuff.
9789         * configure: Regenerate.
9790         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9791         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9792         treelang/config-lang.in (stagestuff): Remove.
9793         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9794         stageprofile, stagefeedback, stagestuff): Remove mention.
9795
9796 2007-01-11  Nick Clifton  <nickc@redhat.com>
9797
9798         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9799         Accept CONSTs.
9800         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9801         (mcore_arith_K_S_operand): Run the test for the S constraint not
9802         the test for the M constraint.
9803         (mcore_addsub_operand): Do not accept integer values that are
9804         larger than 32 bits.
9805         * config/mcore/mcore.md: Remove unused constraints from split.
9806         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9807         (addsi3): Likewise.
9808         (allocate_stack): Likewise.
9809         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9810         operands to 32 bits.
9811         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9812         INTVAL.
9813         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9814         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9815         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9816         mcore_output_bclri, mcore_output_andn, output_inline_const,
9817         mcore_output_move, mcore_output_movedouble): Likewise.
9818         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9819         (output_inline_const): Likewise.
9820         (output_inline_const): Fix format strings used in sprintf
9821         statements.
9822         * config/mcore/mcore-protos.h: Update prototypes for changed
9823         functions in mcore.c.
9824         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9825         HOST_WIDE_INT and not int.
9826         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9827         CONST_OK_FOR_N): Likewise.
9828         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9829         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9830         an INTVAL.
9831
9832 2007-01-10  Jan Hubicka  <jh@suse.cz>
9833
9834         * tree-vrp.c (remove_range_assertions): Release defs.
9835         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9836         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9837
9838 2007-01-10  Paul Brook  <paul@codesourcery.com>
9839
9840         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9841         * config/arm/arm.md (mulsi3subsi): New insn.
9842
9843 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9844
9845         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9846         (tree_transform_and_unroll_loop): New.
9847         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9848         Declare.
9849
9850 2007-01-10  Robert Kennedy <jimbob@google.com>
9851
9852         * fold-const.c (fold_comparison): Fold comparisons like (x *
9853         1000 < 0) to (x < 0).
9854
9855 2007-01-10  Ian Lance Taylor  <iant@google.com>
9856
9857         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9858         operands have the same priority.
9859
9860 2007-01-10  Tom Tromey  <tromey@redhat.com>
9861
9862         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9863         (fold_binary): Likewise.
9864         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9865         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9866         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9867         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9868         * langhooks.h (struct lang_hooks): Removed field
9869         'can_use_bit_fields_p'.
9870
9871 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9872
9873         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9874
9875 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9876
9877         * function.c (get_last_funcdef_no): New function.
9878         * function.h (get_last_funcdef_no): Declare.
9879         * tree-inline.c (initialize_cfun): Add initialization.
9880         (tree_function_versioning): Cleanup.
9881
9882 2007-01-10  Jan Hubicka  <jh@suse.cz>
9883
9884         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9885         PHIs.
9886
9887 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9888             Ben Elliston  <bje@au.ibm.com>
9889
9890         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9891         for SAVE_NONLOCAL and Pmode for any other save level.
9892         * spu-protos.h (spu_restore_stack_block): Declare.
9893         * spu.md (save_stack_block): Remove.
9894         (restore_stack_block): Call spu_restore_stack_block.
9895         * spu.c (spu_restore_stack_block): New function.
9896         (spu_expand_epilogue): Remove old comment.
9897
9898 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9899
9900         PR tree-optimization/30322
9901         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9902         (cand_value_at): Return the value as aff_tree.
9903         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9904         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9905         aff_combination_mult): New functions.
9906         (aff_combination_add): Use aff_combination_add_cst.
9907         (aff_combination_convert): Allow conversions to a wider type.
9908         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9909         * tree-affine.h (aff_combination_mult): Declare.
9910
9911 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9912
9913         * doc/tm.texi: Update documentation to reflect reality of exec
9914         and start file search behaviours. Update copyright year.
9915         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9916         header file directories.
9917
9918 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9919
9920         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9921         (*cosxf2): Rename to cosxf2_i387.
9922         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9923         using X87MODEF12 mode macro. Rename patterns to
9924         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9925         for SSE math.
9926         (*cosdf2, *cossf2): Ditto.
9927         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9928         to match extended input operands.
9929         (sincos<mode>3): New expander.
9930         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9931         insn patterns and corresponding splitters.
9932
9933 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9934
9935         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9936         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9937
9938 2007-01-09  Nicolas Pitre  <nico@cam.org>
9939
9940         PR target/30173
9941         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9942
9943 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9944
9945         * target.h (struct gcc_target): New field library_rtti_comdat.
9946         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9947         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9948         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9949         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9950
9951 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9952
9953         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9954
9955 2007-01-08  Richard Guenther  <rguenther@suse.de>
9956
9957         * tree.h (force_fit_type_double): Export.
9958         (force_fit_type): Remove.
9959         * fold-const.c (force_fit_type_double): New function.
9960         (force_fit_type): Remove.
9961         (int_const_binop): Use it.
9962         (fold_convert_const_int_from_int): Likewise.
9963         (fold_convert_const_int_from_real): Likewise.
9964         (fold_div_compare): Likewise.
9965         (fold_sign_changed_comparison): Likewise.
9966         (fold_unary): Likewise.
9967         (fold_negate_const): Likewise.
9968         (fold_abs_const): Likewise.
9969         (fold_not_const): Likewise.
9970         * c-common.c (shorten_compare): Use force_fit_type_double.
9971         * convert.c (convert_to_pointer): Likewise.
9972
9973 2007-01-08  Richard Guenther  <rguenther@suse.de>
9974
9975         * tree.h (build_int_cst_wide_type): Export.
9976         * tree.c (build_int_cst_wide_type): New function.
9977         (build_int_cst_wide): Fix comment.
9978         * builtins.c (fold_builtin_object_size): Use build_int_cst
9979         to build -1 or 0 of the correct type.  Use fit_double_type
9980         to check for overflow.
9981         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9982         to build the mask.
9983         (decode_field_reference): Likewise.
9984         (all_ones_mask_p): Likewise.
9985         (native_interpret_int): Use build_int_cst_wide_type.
9986         (fold_binary): Use build_int_cst_type to build an all-ones
9987         value.
9988         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9989
9990 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9991
9992         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9993
9994 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9995
9996         * genautomata.c (STATS_OPTION): New option.
9997         (stats_flag): New flag.
9998         (gen_automata_option): Handle it.
9999         (initiate_automaton_gen): Ditto.
10000         (write_automata): Output statistics only if stats_flag is
10001         set. Likewise, output time statistics only if time_flag is set.
10002         * doc/md.texi (Processor pipeline description): Document new flag.
10003
10004 2007-01-08  Richard Guenther  <rguenther@suse.de>
10005
10006         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10007         * tree.c (build_int_cst_type): Likewise.
10008         (size_in_bytes): Don't call force_fit_type on the result.
10009         (int_fits_type_p): Use fit_double_type.
10010         * fold-const.c (fit_double_type): New function.
10011         (force_fit_type): Use it.
10012         * tree.h (fit_double_type): Export.
10013
10014 2007-01-08  Jan Hubicka  <jh@suse.cz>
10015
10016         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10017         * ipa.c (function_and_variable_visibility): Fix return type.
10018
10019 2007-01-08  Richard Guenther  <rguenther@suse.de>
10020
10021         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10022         of offset to build the index.
10023         * tree-pretty-print.c (dump_generic_node): Don't build negated
10024         const just for printing.
10025         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10026         * builtins.c (fold_builtin_int_roundingfn): Check if result
10027         fits the type by using force_fit_type and comparing the result.
10028         * predict.c (predict_loops): Use compare_tree_int for comparison.
10029         * tree.c (build_int_cst): Fall back to integer_type_node for
10030         NULL_TREE type.
10031         (build_int_cst_wide): Assert type is non-null.
10032
10033 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10034
10035         * tree-vrp.c (extract_range_from_cond_expr): New.
10036         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10037         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10038         as expressions.
10039         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10040         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10041         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10042         used as expressions.
10043         * tree-object-size.c (cond_expr_object_size): New.
10044         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10045
10046 2007-01-08  Jan Hubicka  <jh@suse.cz>
10047
10048         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10049         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10050         statement.
10051
10052 2007-01-08  Richard Guenther  <rguenther@suse.de>
10053
10054         PR tree-optimization/23603
10055         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10056         (extract_range_from_binary): Fall back to truthvalue instead of
10057         varying for TRUTH_*_EXPR.
10058         (extract_range_from_comparison): Fall back to truthvalue instead of
10059         varying.
10060         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10061         if all visited PHI values were constant.
10062
10063 2007-01-08  Jan Hubicka  <jh@suse.cz>
10064
10065         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10066         (cgraph_analyze_function): break out from ...
10067         (cgraph_finalize_compilation_unit): ... here.
10068         (cgraph_expand_function): Remove forgoten commented out line.
10069         (cgraph_optimize): Analyze functions.
10070
10071 2007-01-08  Jan Hubicka  <jh@suse.cz>
10072
10073         * tree-pas.h (TODO_remove_function): New flag.
10074         (TODO_update*): Renumber.
10075         (pass_ipa_increase_alignment,
10076         pass_ipa_function_and_variable_visibility): New passes.
10077         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10078         (cgraph_function_and_variable_visibility): Move to ipa.c
10079         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10080         cgraph_increase_alignment.
10081         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10082         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10083         calling tree-inline.
10084         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10085         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10086         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10087         (gate_increase_alignment): New function.
10088         (pass_ipa_increase_alignment): New pass.
10089         * ipa.c: Inline tree-pass.h and timevar.h
10090         (function_and_variable_visibility): Move here from cgraphunit.c
10091         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10092         * passes.c (init_optimization_passes): Add the two new passes.
10093         (execute_todo): Handle cgraph_remove_functions.
10094
10095 2007-01-08  Nick Clifton  <nickc@redhat.com>
10096
10097         * config/frv/predicates.md (reg_or_0_operand): Accept
10098         CONST_DOUBLEs.
10099
10100 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10101
10102         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10103         * config.gcc: Add bfin*-rtems*.
10104
10105 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10106
10107         * c.opt: Add -flax-vector-conversions.
10108         * c-typeck.c (convert_for_assignment): Pass flag to
10109         vector_types_convertible_p to allow emission of note.
10110         (digest_init): Likewise.
10111         * c-opts.c: Handle -flax-vector-conversions.
10112         * c-common.c (flag_lax_vector_conversions): New.
10113         (vector_types_convertible_p): Unless -flax-vector conversions
10114         has been passed, disallow conversions between vectors with
10115         differing numbers of subparts and/or element types.  If such
10116         a conversion is disallowed, possibly emit a note on the first
10117         occasion only to inform the user of -flax-vector-conversions.
10118         The new last argument specifies this.
10119         * c-common.h (flag_lax_vector_conversions): New.
10120         (vector_types_convertible_p): Add extra argument.
10121         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10122         char_type_node for V*QI type vectors.
10123         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10124         Update to satisfy new typechecking rules.
10125         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10126         C and C++ variants.
10127         * doc/invoke.texi (C Dialect Options): Document
10128         -flax-vector-conversions.
10129
10130 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10131
10132         PR tree-optimization/29877
10133         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10134         a register variable on the RHS to not be replaceable.
10135
10136 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10137         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10138         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10139         const_simm15, const_pow2, const_npow2): Added.
10140         * config/score/misc.md (insv, extv, extzv, movmemsi,
10141         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10142         * config/score/score.c (score_address_cost, score_select_cc_mode):
10143         Added.
10144         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10145         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10146         Update score_print_operand.
10147         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10148         Adjust register allocate order and update some macro define.
10149         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10150         mdx_block_move_straight, mdx_block_move_loop_head,
10151         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10152         mdx_block_move): Added.
10153         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10154         mdp_limm): Updated and fix some bug and typo.
10155         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10156         (movsf, movdf, doloop_end): Added.
10157
10158 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10159
10160         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10161         config/arm/thumb2.md: Fix comment typos.
10162         * doc/extend.texi: Fix a typo.
10163
10164 2007-01-07  Eric Christopher  <echristo@apple.com>
10165
10166         * configure.ac: Check for __stack_chk_fail for darwin.
10167         * configure: Regenerate.
10168
10169 2007-01-07  Richard Guenther  <rguenther@suse.de>
10170
10171         * tree-vrp.c (extract_range_from_assert): CSE calls to
10172         compare_values where possible.
10173         (extract_range_from_unary_expr): Likewise.
10174
10175 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10176
10177         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10178         * config/avr/avr.c (call_insn_operand): Delete function.
10179         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10180         instead of register number. Use predicates.
10181         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10182         call_insn_operand): Add.
10183
10184 2007-01-06  Jan Hubicka  <jh@suse.cz>
10185
10186         * tree-pass.h (pass_build_cgraph_edges): Declare.
10187         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10188         (visited_nodes): Remove.
10189         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10190         build_cgrpah_edges; make visited_nodes local.
10191         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10192         (record_references_in_initializer): Move to cgraphbuild.c
10193         (initialize_inline_failed, rebuild_cgraph_edges,
10194         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10195         (verify_cgraph_node): Make visited_nodes local.
10196         (cgraph_analyze_function): Do not call cgraph_create_edges and
10197         initialize_inline_failed.
10198         (cgraph_expand_function): Do not call cgraph_lower_function;
10199         assert that function is already lowered.
10200         * Makefile.in (cgraphbuild.o): New.
10201         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10202         at the end of lowering passes.
10203
10204 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10205
10206         * ifcvt.c (cond_move_convert_if_block): New function, code
10207         factored out from...
10208         (cond_move_process_if_block): ...here.  Call the new function
10209         on the THEN and ELSE blocks.
10210         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10211         already takes care of this.
10212
10213 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10214
10215         PR c/19978
10216         * tree.h (TREE_OVERFLOW_P): New.
10217         * c-typeck.c (parser_build_unary_op): Warn only if result
10218         overflowed and operands did not.
10219         (parser_build_binary_op): Likewise.
10220         (convert_for_assignment): Remove redundant overflow_warning.
10221         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10222
10223 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10224
10225         * c-typeck.c (store_init_value): Split over two lines to follow
10226         the GNU coding style.
10227
10228 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10229
10230         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10231         __GXX_EXPERIMENTAL_CXX0X__.
10232         * doc/cpp.texi: Same.
10233
10234 2007-01-05  Richard Guenther  <rguenther@suse.de>
10235
10236         PR middle-end/27826
10237         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10238         with mismatched types.  Instead explicitly build a
10239         conversion NOP_EXPR.
10240
10241 2007-01-05  Ian Lance Taylor  <iant@google.com>
10242
10243         * c-common.c (decl_with_nonnull_addr_p): New function.
10244         (c_common_truthvalue_conversion): Call it.
10245         * c-typeck.c (build_binary_op): Likewise.
10246         * c-common.h (decl_with_nonnull_addr_p): Declare.
10247
10248 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10249
10250         PR c/30360
10251         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10252         denom against 0.0.
10253
10254 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10255
10256         * doc/install.texi (Final install): Document the fact that
10257         the GNAT runtime should not be stripped.
10258
10259 2007-01-04  Jan Hubicka  <jh@suse.cz>
10260
10261         * tree-inline.c (fold_marked_statements): Update operand caches
10262         and EH after folding
10263
10264 2007-01-04  Ian Lance Taylor  <iant@google.com>
10265
10266         * c-common.c (check_function_nonnull): Whitespace fix.
10267
10268 2007-01-04  Jan Hubicka  <jh@suse.cz>
10269
10270         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10271         comitted older version of patch.
10272         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10273         function, celanup cfg and collect garbage.
10274
10275 2007-01-04  Mike Stump  <mrs@apple.com>
10276
10277         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10278         (clean): Likewise.
10279
10280 2007-01-04  Eric Christopher  <echristo@apple.com>
10281
10282         * libgcc2.c (__bswapsi2): Use SItype.
10283         (__bswapdi2): Use DItype.
10284         * libgcc2.h: Update for above.
10285
10286 2007-01-04  Paul Brook  <paul@codesourcery.com>
10287
10288         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10289         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10290         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10291         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10292         umulsi3_highpart): Make conditional on !arm_arch6.
10293         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10294         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10295         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10296         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10297         umulsi3_highpart_v6): New insns.
10298
10299 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10300
10301         * fold-const.c (fold_convert): When casting an expression to void,
10302         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10303         have a type.  Instead of attempting to build a NOP_EXPR, return
10304         these "special" trees directly.
10305
10306 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10307
10308         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10309         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10310         rs6000_cost->fp not 0 as adjustment for outer NEG.
10311
10312 2007-01-04  Jan Hubicka  <jh@suse.cz>
10313
10314         * cgraph.c (cgraph_release_function_body): New function.
10315         (cgraph_remove_node): Use it.
10316         * cgraph.h (cgraph_release_function_body): Declare.
10317         * cgraphunit.c (cgraph_expand_function): Use it.
10318         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10319         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10320         is initialized and while compilation of other function is running.
10321         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10322         statement CFG annotations from here to ...
10323         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10324
10325 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10326
10327         * cfgloop.h (enum li_flags): Make the constants powers of two.
10328
10329 2007-01-04  Jan Hubicka  <jh@suse.cz>
10330
10331         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10332         set.
10333         (fold_marked_statements): New function.
10334         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10335         * tree-inline.h (copy_body_data): Add statements_to_fold.
10336
10337 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10338
10339         * config.gcc: Mention libgcc/config.host.
10340         * Makefile.in: Update comments mentioning libgcc.
10341         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10342         (all.cross, start.encap, rest.encap, rest.cross): Update
10343         dependencies for libgcc move.
10344         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10345         (clean-target, clean-target-libgcc): Delete.
10346         (srcdirify, GCC_EXTRA_PARTS): New macros.
10347         (libgcc-support, libgcc.mvars): New rules.
10348         (distclean): Remove mention of mklibgcc.
10349         (install): Don't reference INSTALL_LIBGCC.
10350         (install-common): Don't reference EXTRA_PARTS.
10351         (install-libgcc, install-multilib): Delete rules.
10352         * mklibgcc.in: Delete file.
10353         * doc/configfiles.texi: Don't mention mklibgcc.
10354
10355         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10356         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10357         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10358         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10359         (mklibgcc, ldblspecs): Likewise.
10360
10361         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10362         (posixpre.def): Use $(T).
10363         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10364         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10365         (SHLIB_LINK): Make dummy.
10366         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10367
10368         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10369
10370         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10371         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10372         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10373         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10374
10375         * configure.ac (all_outputs): Remove mklibgcc.
10376         * configure: Regenerated.
10377
10378 2007-01-03  Josh Conner  <jconner@apple.com>
10379
10380         PR middle-end/29683
10381         * calls.c (compute_argument_addresses): Set stack and stack_slot
10382         for partial args, too.
10383         (store_one_arg): Use locate.size.constant for the size when
10384         generating a save_area.
10385
10386 2007-01-03  Robert Kennedy <jimbob@google.com>
10387
10388         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10389         whose definitions are deleted due to basic block merging.
10390
10391 2007-01-03  Paul Brook  <paul@codesourcery.com>
10392
10393         PR target/16634
10394         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10395         functions.
10396         (use_return_insn): Return 0 for Thumb interrupt functions.
10397         (print_multi_reg): Add rfe argument for IRQ returns.
10398         (arm_output_epilogue): Pop interrupt return address directly into PC.
10399         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10400
10401 2007-01-03  Paul Brook  <paul@codesourcery.com>
10402
10403         Merge from sourcerygxx-4_1.
10404         * config/arm/thumb2.md: New file.
10405         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10406         Thumb-2.
10407         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10408         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10409         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10410         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10411         tables.
10412         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10413         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10414         comptibility.
10415         * config/arm/ieee754-sf.S: Ditto.
10416         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10417         (thumb1_base_register_rtx_p): ... to this.
10418         (thumb_index_register_rtx_p): Rename...
10419         (thumb1_index_register_rtx_p): ... to this.
10420         (thumb_output_function_prologue): Rename...
10421         (thumb1_output_function_prologue): ... to this.
10422         (thumb_legitimate_address_p): Rename...
10423         (thumb1_legitimate_address_p): ... to this.
10424         (thumb_rtx_costs): Rename...
10425         (thumb1_rtx_costs): ... to this.
10426         (thumb_compute_save_reg_mask): Rename...
10427         (thumb1_compute_save_reg_mask): ... to this.
10428         (thumb_final_prescan_insn): Rename...
10429         (thumb1_final_prescan_insn): ... to this.
10430         (thumb_expand_epilogue): Rename...
10431         (thumb1_expand_epilogue): ... to this.
10432         (arm_unwind_emit_stm): Rename...
10433         (arm_unwind_emit_sequence): ... to this.
10434         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10435         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10436         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10437         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10438         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10439         thumb2_output_casesi): New functions.
10440         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10441         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10442         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10443         THUMB2_WORK_REGS): Define.
10444         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10445         arm_condexec_mask, arm_condexec_masklen)): New variables.
10446         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10447         (arm_override_options): Check new CPU capabilities.
10448         Set new architecture flag variables.
10449         (arm_isr_value): Handle v7m interrupt functions.
10450         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10451         Thumb-2.
10452         (const_ok_for_arm): Handle Thumb-2 constants.
10453         (arm_gen_constant): Ditto.  Use movw when available.
10454         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10455         functions.
10456         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10457         (thumb_find_work_register, arm_load_pic_register,
10458         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10459         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10460         print_multi_reg, output_mov_long_double_fpa_from_arm,
10461         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10462         output_mov_double_fpa_from_arm, output_move_double,
10463         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10464         output_return_instruction, arm_output_function_prologue,
10465         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10466         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10467         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10468         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10469         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10470         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10471         '!' and 'L'.
10472         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10473         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10474         (arm_file_start): Output directive for unified syntax.
10475         (arm_unwind_emit_set): Handle stack alignment instruction.
10476         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10477         Add v6t2, v7, v7a, v7r and v7m.
10478         (RETLDM): Add Thumb-2 code.
10479         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10480         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10481         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10482         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10483         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10484         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10485         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10486         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10487         ADJUST_INSN_LENGTH): Define.
10488         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10489         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10490         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10491         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10492         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10493         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10494         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10495         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10496         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10497         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10498         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10499         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10500         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10501         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10502         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10503         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10504         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10505         cortex-m3.
10506         * config/arm/arm-tune.md: Regenerate.
10507         * config/arm/arm-protos.h: Update prototypes.
10508         * config/arm/vfp.md: Enable patterns for Thumb-2.
10509         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10510         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10511         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10512         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10513         * config/arm/libunwind.S: Add Thumb-2 code.
10514         * config/arm/constraints.md: Update include Thumb-2.
10515         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10516         * config/arm/ieee754-df.S: Ditto.
10517         * config/arm/bpabi.S: Ditto.
10518         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10519         * config/arm/predicates.md (low_register_operand,
10520         low_reg_or_int_operand, thumb_16bit_operator): New.
10521         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10522         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10523         * config/arm/t-arm-elf: Add armv7 multilib.
10524         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10525         Include thumb2.md.
10526         (UNSPEC_STACK_ALIGN, ce_count): New.
10527         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10528         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10529         insns/expanders.
10530         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10531         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10532         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10533         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10534         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10535         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10536         insns.
10537         * doc/extend.texi: Document ARMv7-M interrupt functions.
10538         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10539
10540 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10541
10542         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10543         (struct _Unwind_Context): Rename args_size to flags, remove
10544         signal_frame field, add a new args_size field and version field.
10545         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10546         _Unwind_IsExtendedContext): New inline functions.
10547         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10548         Assume by_value array is only present if _Unwind_IsExtendedContext.
10549         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10550         _Unwind_IsSignalFrame.
10551         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10552         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10553         (uw_init_context_1): Initialize context->flags to
10554         EXTENDED_CONTEXT_BIT.
10555         * config/rs6000/linux-unwind.h (frob_update_context): Use
10556         _Unwind_SetSignalFrame.
10557
10558 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10559
10560         PR middle-end/30353
10561         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10562         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10563         the value.
10564
10565 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10566
10567         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10568         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10569         RET, AT_SP): Remove.
10570         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10571         instead of RET.
10572
10573         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10574         * cfgbuild.c (find_basic_blocks): Likewise.
10575         * cfgrtl.c (rtl_create_basic_block): Likewise.
10576         * function.c (temp_slots_at_level): Likewise.
10577         * reg-stack.c (stack_regs_mentioned): Likewise.
10578         * regclass.c (allocate_reg_info): Likewise.
10579         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10580         set_bb_for_stmt, move_block_to_fn): Likewise.
10581         * tree-complex.c (tree_lower_complex): Likewise.
10582         * vec.h (VEC_safe_grow_cleared): New.
10583
10584         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10585
10586 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10587
10588         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10589         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10590         to loop_version.
10591         * cfgloopmanip.c (scale_loop_frequencies): Export.
10592         (loopify): Scale the frequencies by prescribed coefficients.
10593         (set_zero_probability): New function.
10594         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10595         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10596         and frequencies according to arguments.
10597         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10598         correctly.
10599         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10600         * modulo-sched.c (sms_schedule): Set probabilities for entering
10601         versioned loop correctly.
10602         * tree-vect-transform.c (vect_transform_loop): Ditto.
10603         * cfgloop.h (loopify, loop_version): Declaration changed.
10604         (scale_loop_frequencies): Declared.
10605
10606 2007-01-02  Jan Hubicka  <jh@suse.cz>
10607
10608         * cgraph.c: Include tree-flow.h
10609         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10610         early_local_passes.
10611         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10612         * tree-pass.h (pass_all_early_optimizations): Declare.
10613         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10614         early_local_passes.
10615         (cgraph_analyze_function): Do early_local_passes.
10616         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10617         Do not add referenced vars.
10618         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10619         SSA form.
10620         (gate_all_early_local_passes): New gate.
10621         (pass_early_local_passes): Use new gate.
10622         (execute_early_local_optimizations): New functions.
10623         (gate_all_early_optimizations): New gate.
10624         (pass_all_early_optimizations): New pass.
10625         (execute_free_datastructures): Free SSA only when initialized.
10626         (gate_init_datastructures): Init only when optimizing.
10627         (tree_lowering_passes): Do early local passes when called late.
10628         * tree-profile.c (do_tree_profiling): Don't profile functions added
10629         late.
10630         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10631         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10632         not active.
10633         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10634         during early_local_passes.
10635         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10636
10637
10638 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10639
10640         * Makefile.in: Update copyright year.
10641
10642 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10643
10644         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10645         in $(lang_checks) and check-consistency targets.
10646
10647 2007-01-02  Jan Hubicka  <jh@suse.cz>
10648
10649         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10650         Do not add referenced vars.
10651         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10652         are not active.
10653         * passes.c (init_optimization_passes): Put mudflap_2 after
10654         free_datastructures.
10655
10656 2007-01-02  Jan Hubicka  <jh@suse.cz>
10657
10658         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10659         Set NOTHROW flag on call statements proved to be nothrow.
10660         Update statement of local calls so new pure/const functions are
10661         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10662         goto receivers.
10663         (tree_rest_of_compilation): Register hooks and initialize bitmap
10664         early. Do not set after_inlining flag.
10665
10666 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10667
10668         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10669         HOST_BITS_PER_LONGLONG
10670
10671 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10672
10673         PR c/19977
10674         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10675         warning for non-static initializers.
10676
10677 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10678
10679         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10680         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10681         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10682         Always use set_unique_reg_note to add REG_EQUAL notes.
10683
10684 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10685
10686         Revert:
10687         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10688
10689         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10690         * cfgbuild.c (find_basic_blocks): Likewise.
10691         * cfgrtl.c (rtl_create_basic_block): Likewise.
10692         * function.c (temp_slots_at_level): Likewise.
10693         * reg-stack.c (stack_regs_mentioned): Likewise.
10694         * regclass.c (allocate_reg_info): Likewise.
10695         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10696         set_bb_for_stmt, move_block_to_fn): Likewise.
10697         * tree-complex.c (tree_lower_complex): Likewise.
10698         * vec.h (VEC_safe_grow_cleared): New.
10699
10700 2007-01-02  Ian Lance Taylor  <iant@google.com>
10701
10702         * c-common.c (c_common_truthvalue_conversion): When warning about
10703         using an assignment as a truth value, set TREE_NO_WARNING.
10704
10705 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10706
10707         PR middle-end/7651
10708         * c.opt (Wold-style-declaration): New.
10709         * doc/invoke.texi (C-only Warning Options): New.
10710         (Wold-style-declaration): Document it.
10711         (Wextra): Enabled by -Wextra.
10712         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10713         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10714         -Wold-style-declaration.
10715
10716 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10717
10718         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10719         * cfgbuild.c (find_basic_blocks): Likewise.
10720         * cfgrtl.c (rtl_create_basic_block): Likewise.
10721         * function.c (temp_slots_at_level): Likewise.
10722         * reg-stack.c (stack_regs_mentioned): Likewise.
10723         * regclass.c (allocate_reg_info): Likewise.
10724         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10725         set_bb_for_stmt, move_block_to_fn): Likewise.
10726         * tree-complex.c (tree_lower_complex): Likewise.
10727         * vec.h (VEC_safe_grow_cleared): New.
10728
10729 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10730
10731         * c-common.c (c_common_nodes_and_builtins): Since variants of
10732         void_type_node get built before it is given a name, we need to
10733         give those variants the name, too.
10734         (complete_array_type): We need to work with the canonical main
10735         type of the array, from which we will build the qualified version.
10736         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10737         * print-tree.c (print_node): Display canonical type information
10738         for each type.
10739         * stor-layout.c (layout_type): When we don't know the
10740         alignment of a type for which we're building an array, we end up
10741         guessing wrong, so make the type require structural equality.
10742         * tree.c (make_node_stat): When we build a new type, it is its
10743         own canonical type.
10744         (build_type_attribute_qual_variant): When building an attribute
10745         variant, its canonical type is the non-attribute variant. However,
10746         if the attributes are target-dependent and they differ, we need to
10747         use structural equality checks for this type.
10748         (build_qualified_type): A qualified type is not equivalent to its
10749         unqualified variant; set the canonical type appropriately.
10750         (build_distinct_type_copy): When building a distinct type from
10751         another type, the new type is its own canonical type.
10752         (build_variant_type_copy): When building a new type variant, we
10753         assume that it is equivalent to the original type.
10754         (build_pointer_type_for_mode): When building a pointer type, also
10755         build a canonical type pointer.
10756         (build_reference_type_for_mode): When building a reference type,
10757         also build a canonical type reference.
10758         (build_index_type): When we can't hash an index type (e.g.,
10759         because its maximum value is negative), the index type requires
10760         structural equality tests.
10761         (build_array_type): Build the canonical form of an array type.
10762         (build_function_type): Function types require structural equality,
10763         because they contain default arguments, attributes, etc.
10764         (build_method_type_directly): Ditto for method types.
10765         (build_offset_type): Build the canonical offset type.
10766         (build_complex_type): Build the canonical vector type.
10767         (make_vector_type): Build the canonical vector type.
10768         * tree.h (TYPE_CANONICAL): New.
10769         (TYPE_STRUCTURAL_EQUALITY_P): New.
10770         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10771         (struct tree_type): Added "canonical" field.
10772         * params.h (VERIFY_CANONICAL_TYPES): New.
10773         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10774         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10775         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10776         * doc/invoke.texi (verify-canonical-types): Document --param
10777         parameter for verifying canonical types.
10778
10779 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10780
10781         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10782         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10783         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10784         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10785         tm_file.
10786         * config/rs6000/e500.h: New.
10787         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10788         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10789         Remove.
10790         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10791         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10792         TARGET_E500_DOUBLE): Remove.
10793         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10794         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10795         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10796         * config/rs6000/rs6000.c (rs6000_override_options): Use
10797         CHECK_E500_OPTIONS.
10798
10799 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10800
10801         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10802         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10803         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10804         rs6000_emit_cmove): Don't check TARGET_E500.
10805         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10806         sordered): Don't check TARGET_E500.
10807
10808 2007-01-01  Eric Christopher  <echristo@apple.com>
10809
10810         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10811         HARD_REGISTER_NUM_P.
10812
10813 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10814
10815         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10816         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10817         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10818         eq/ne Y".
10819
10820 2007-01-01  Mike Stump  <mrs@apple.com>
10821
10822         * configure.ac: Remove support for building with Apple's gcc-3.1.
10823
10824 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10825
10826         PR middle-end/30311
10827         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10828         REG is a hard register.  Do not modify REG before calling
10829         subreg_nregs.
10830         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10831         multiple of the size of YMODE for certain lowpart cases.
10832
10833 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10834
10835         PR middle-end/30253
10836         * gimplify (voidify_wrapper_expr): Update for
10837         GIMPLE_MODIFY_STMT.
10838
10839 2007-01-01  Andreas Schwab  <schwab@suse.de>
10840
10841         PR target/29166
10842         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10843         save of BR0 in extra_spill_size instead of spill_size.
10844         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10845         area.
10846         (ia64_expand_epilogue): Restore BR0 from its new location.
10847
10848 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10849
10850         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10851         Use a temporary variable if the left hand side is not a gimple
10852         register.
10853
10854 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10855
10856         * gimplify.c (gimplify_return_expr): Make the temporary variable
10857         for the return expression, a gimple register variable.
10858
10859 2007-01-01  Jan Hubicka  <jh@suse.cz>
10860
10861         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10862         INSN_LIST.
10863
10864 2007-01-01  Mike Stump  <mrs@apple.com>
10865
10866         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10867         .literal16.
10868         * config/darwin.c (machopic_select_rtx_section): Use
10869         HAVE_GAS_LITERAL16.
10870         (darwin_mergeable_constant_section): Likewise.
10871         * configure: Regenerate.
10872         * config.in: Regenerate.
10873
10874 2007-01-01  Jan Hubicka  <jh@suse.cz>
10875             Andrew Pinski  <pinskia@gmail.com>
10876
10877         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10878         before starting IPA passes.