gcc/ChangeLog

   1 2006-11-07  Richard Guenther  <rguenther@suse.de>
   2
   3         PR tree-optimization/29610
   4         * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
   5         of tree_purge_dead_eh_edges as it may free dominators.
   6
   7         * g++.dg/other/pr29610.C: New testcase.
   8
   9 2006-11-07  David Ung  <davidu@mips.com>
  10
  11         * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
  12         costs when optimizing for size.
  13         (override_options): Use mips_rtx_cost_optimize_size table for cost
  14         calculations.
  15
  16 2006-11-07  Jie Zhang  <jie.zhang@analog.com>
  17
  18         * gcc.c (process_command): Treat -b as normal switch if its argument
  19         has no dash.
  20
  21 2006-11-07  David Ung  <davidu@mips.com>
  22
  23         * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
  24         list.
  25
  26 2006-11-06  Eric Christopher  <echristo@apple.com>
  27
  28         * config.gcc: Add x86_64-darwin host support.
  29         * config.host: Ditto.
  30         * config/i386/darwin64.h: New file.
  31         * config/i386/t-darwin64: Ditto.
  32
  33 2006-11-06  Janis Johnson  <janis187@us.ibm.com>
  34
  35         * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
  36         and output-exists-not.
  37
  38 2006-11-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  39
  40         PR tree-opt/29439
  41         * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
  42         checking for overflow.
  43
  44 2006-11-06  Jan van Dijk  <jan@etpmod.phys.tue.nl>
  45
  46         * configure.ac: Fixed typo in case statement: :: changed to ;;
  47
  48 2006-11-06  Bob Wilson  <bob.wilson@acm.org>
  49
  50         * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
  51         count_leading_zeros, and count_trailing_zeros.
  52         * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
  53         (TARGET_FOLD_BUILTIN): Define.
  54         (TARGET_EXPAND_BUILTIN): Define.
  55         (xtensa_init_builtins): New.
  56         (xtensa_fold_builtin): New.
  57         (xtensa_expand_builtin): New.
  58         (xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
  59         * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
  60         (CLZ_DEFINED_VALUE_AT_ZERO): Define.
  61         (CTZ_DEFINED_VALUE_AT_ZERO): Define.
  62         * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
  63         (any_extend): New code macro.
  64         (u, su): New code attributes.
  65         (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
  66         (nsau): Remove; replaced by clzsi2.
  67         (ffssi2): Use clzsi2.
  68         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
  69         _clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
  70         * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
  71         (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
  72         (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
  73
  74 2006-11-06  Vladimir Prus  <vladimir@codesourcery.com>
  75
  76         * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
  77         set inhibit_libc.
  78         * config/arm/t-strongarm-elf: Likewise.
  79         * config/arm/t-pe: Likewise.
  80         * config/arm/t-arm-elf: Likewise.
  81         * config/arm/t-xscale-elf: Likewise.
  82         * config/arm/t-arm-coff: Likewise.
  83         * config/arm/t-xscale-coff: Likewise.
  84         * config/arm/t-wince-pe: Likewise.
  85
  86 2006-11-05  Kaz Kojima  <kkojima@gcc.gnu.org>
  87
  88         * config/sh/lib1funcs-4-300.asm: Guard entire file with
  89         #if !__SHMEDIA__ .
  90
  91 2006-11-05  Jakub Jelinek  <jakub@redhat.com>
  92
  93         PR middle-end/29695
  94         * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
  95         simplification.
  96
  97 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
  98
  99         PR target/26915
 100         * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
 101         as a valid 80387 constant.
 102         (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
 103         * config/i386/i386.md (unnamed splitter): Split the load of
 104         constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
 105         by negation.
 106
 107 2006-11-04  Richard Earnshaw  <rearnsha@arm.com>
 108
 109         * arm.c (thumb_legitimate_addres_p): Allow any constant offset
 110         from the soft-frame, argument and virtual registers.
 111
 112 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
 113
 114         * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
 115         patterns for standard 80387 constants.
 116
 117 2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
 118             Steven Bosscher  <steven@gcc.gnu.org>
 119
 120         * fwprop.c: New file.
 121         * Makefile.in: Add fwprop.o.
 122         * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
 123         * passes.c (init_optimization_passes): Schedule forward propagation.
 124         * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
 125         parameter.
 126         * timevar.def (TV_FWPROP): New.
 127         * common.opt (-fforward-propagate): New.
 128         * opts.c (decode_options): Enable forward propagation at -O2.
 129         * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
 130         * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
 131         canon_for_address, table_size): Remove.
 132         (new_basic_block, insert, remove_from_table): Remove references to
 133         table_size.
 134         (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
 135         simplification loop more straightforward by not calling fold_rtx
 136         recursively.
 137         (equiv_constant): Move here a small part of fold_rtx_subreg,
 138         do not call fold_rtx.  Call avoid_constant_pool_reference
 139         to process MEMs.
 140         * recog.h (canonicalize_change_group): New.
 141
 142         * doc/invoke.texi (Optimization Options): Document fwprop.
 143         * doc/passes.texi (RTL passes): Document fwprop.
 144
 145 2006-11-03  Geoffrey Keating  <geoffk@apple.com>
 146
 147         * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
 148         (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
 149         (grokdeclarator): Likewise.
 150
 151 2006-11-03  Steven Bosscher  <steven@gcc.gnu.org>
 152
 153         * tree-dump.c (dump_enable_all): Rename local variable
 154         ir_type to avoid name conflicts.
 155         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
 156         instead of using ir_type().
 157         * profile.c (tree_register_profile_hooks): Likewise.
 158         * value-prof.c (tree_register_value_prof_hooks): Likewise.
 159         * basic-block.h (struct edge_def): Likewise.
 160         * config/arm/arm.c (legitimize_pic_address): Likewise.
 161         * coretypes.h (ir_type): New enum of all intermediate languages
 162         used in GCC.
 163         * cfghooks.c (ir_type): Rename to...
 164         (current_ir_type): ...this.  Distinguish between cfgrtl and
 165         cfglayout mode when the current IR is RTL.  Return enum ir_type.
 166         * cfghooks.h (ir_type): Replace with current_ir_type prototype.
 167
 168 2006-11-03  Paul Brook  <paul@codesourcery.com>
 169
 170         * config/arm/arm.c (arm_file_start): New function.
 171         (TARGET_ASM_FILE_START): Define.
 172         (arm_default_cpu): New variable.
 173         (arm_override_options): Set arm_default_cpu.
 174
 175 2006-11-03  David Ung  <davidu@mips.com>
 176
 177         * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
 178         PROCESSOR_24KC and PROCESSOR_24KF.
 179         * config/mips/mips.c (mips_cpu_info_table): Add processor names
 180         and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
 181         (mips_rtx_cost_data): Add costs for the 24kc.
 182         * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
 183         * config/mips/24k.md: Remove references to 24k and replace with
 184         uses of 24kc/24kf in the appropriate reservations.
 185         * doc/invoke.texi (MIPS Options): Updated.
 186
 187 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
 188
 189         * config/sh/crt1.asm: Fix #ifdef indent.
 190
 191 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
 192         Merged from STMicroelectronics sources:
 193         2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
 194           * config/sh/crt1.asm (vbr_600): Add missing #if.
 195         2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
 196           * sh.opt (mfused-madd): New option.
 197           * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
 198         2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
 199           * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
 200           Remove pointless handler at VBR+0.
 201           (vbr_200, vbr_300, vbr_500): Remove pointless handler.
 202           (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
 203           fr7. Make sure the timer handler is called with the correct FPU
 204           precision setting, according to the ABI.
 205         2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
 206           * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
 207           * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
 208           (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
 209         2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
 210           * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
 211           zero as second operand.
 212         2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
 213           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
 214           Fixed some bugs related to negative values, in particular -0
 215           and overflow at -0x80000000.
 216           * config/sh/divcost-analysis: Added sh4-300 figures.
 217         2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
 218           * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
 219         2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
 220           * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
 221           ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
 222           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
 223         New files.
 224           * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
 225           -m4-340.
 226         2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
 227           SH4-300 scheduling description & fixes to SH4-[12]00 description:
 228           * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
 229           mac_mem, mem_mac, dfp_mul, fp_cmp.
 230           (insn_class, dfp_comp, any_fp_comp): Update.
 231           (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
 232           (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
 233           (muldf3_i): Likewise.
 234           (movsi_i): Split rI08 alternative into two separate alternatives.
 235           Update type.
 236           (movsi_ie, movsi_i_lowpart): Likewise.
 237           (movqi_i): Split ri alternative into two separate alternatives.
 238           Update type.
 239           * sh1.md (sh1_load_store, sh1_fp): Update.
 240           * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
 241           (mac_mem, sh4_fpscr_toggle): New insn_reservations.
 242           * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
 243           (sh4a_fp_double_arith): Likewise.
 244           * sh4-300.md: New file.
 245           * sh.c (sh_handle_option): Handle m4-300* options.
 246           (sh_adjust_cost): Fix latency of auto-increments.
 247           Handle SH4-300 differently than other SH4s.  Check for new insn types.
 248           * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
 249           been set by an option.
 250           * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
 251           (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
 252           (mbranch-cost=): Likewise.
 253           * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
 254
 255           * sh.md (mulsf3): Remove special expansion code.
 256           (mulsf3_ie): Now a define_insn_and_split.
 257           (macsf3): Allow for TARGET_SH4.
 258
 259           * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
 260           * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
 261           (expand_cbranchdi4): Likewise.
 262           (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
 263           CONST_DOUBLE if the outer code is COMPARE.
 264           * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
 265           TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
 266           (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
 267           (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
 268           Remove redundant fp_{zero,one}_operand checks.
 269           * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
 270           * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
 271           (expand_cbranchdi4): Likewise.
 272         2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
 273           * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
 274
 275 2006-11-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 276
 277         * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
 278         constraints.
 279
 280 2006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>
 281
 282         * doc/invoke.texi: Fix mfp-trap-mode typo.
 283
 284 2006-11-02  Carlos O'Donell  <carlos@codesourcery.com>
 285
 286         * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
 287         * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
 288         file_end_indicate_exec_stack.
 289         * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
 290         Define as 0.
 291         * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
 292         for a non-executable stack.
 293         * crti.asm: Likewise.
 294         * crtn.asm: Likewise.
 295         * libunwind.S: Likewise.
 296
 297 2006-11-02  Ben Elliston  <bje@au.ibm.com>
 298
 299         * tree-ssa.c (warn_uninit): Use expand_location variables for
 300         locus and declaration locus.
 301
 302 2006-11-02  Kaz Kojima  <kkojima@gcc.gnu.org>
 303
 304         PR target/27405
 305         * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
 306         (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
 307         cmp{eq,gt,gtu}{si,di}_media.
 308         (*cmpne0si_media): Remove.
 309         (*movsicc_umin): Adjust gen_cmp*_media call.
 310         (unordered): Change the mode of unordered and operands[1] to
 311         SImode.
 312         (seq): Adjust gen_cmp*_media calls.  Make the mode of
 313         a temporary result of compare SImode if needed.  If the mode
 314         of operands[0] is DImode, extend the temporary result to DImode.
 315         (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
 316         (sunorderd): Change the mode of match_operand and unorderd to
 317         SImode.
 318         (cmpeq{sf,df}_media): Remove.
 319         (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
 320         (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
 321         and compare operation to SImode.
 322
 323 2006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
 324
 325         * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
 326         instructions.
 327         (sparc64-sun-solaris2*): Likewise.
 328
 329 2006-11-02  Paul Brook  <paul@codesourcery.com>
 330
 331         * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
 332         from priority argument.  Use different section for non-default
 333         priority.
 334         * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
 335
 336 2006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
 337
 338         PR other/29639
 339         * except.c (switch_to_exception_section): Do not cache the section
 340         if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
 341         and flag_function_sections is set.
 342
 343 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 344
 345         PR middle-end/29335
 346         * builtins.c (do_mpfr_sincos): New.
 347         (fold_builtin_1): Use it to fold builtin sincos.
 348
 349 2006-11-01  Roger Sayle  <roger@eyesopen.com>
 350
 351         * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
 352         it into -D_REENTRANT.
 353
 354 2006-11-01  Roger Sayle  <roger@eyesopen.com>
 355
 356         * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
 357         whether the assembler supports taking the difference of symbols in
 358         different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
 359         * configure: Regenerate.
 360         * config.in: Regenerate.
 361         * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
 362         the assembler doesn't support taking the difference of symbols in
 363         different sections, i.e. we're using the native solaris assembler.
 364
 365 2006-11-01  Pete Steinmetz  <steinmtz@us.ibm.com>
 366             Peter Bergner  <bergner@vnet.ibm.com>
 367
 368         * doc/invoke.texi: Add cpu_type power6x
 369         (RS/6000 and PowerPC Options): Add -mmfpgpr.
 370         * config.gcc: Add cpu_type power6x.
 371         * configure.ac: Add test for mf{t,f}gpr instructions.
 372         (HAVE_AS_MFPGPR): New.
 373         * config.in: Regenerate.
 374         * configure: Regenerate.
 375         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
 376         * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
 377         shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
 378         and mftgpr attributes.
 379         (define_attr "cpu"): Add power6.
 380         Change instruction sequences to use new attributes.
 381         (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
 382         (fix_truncdfsi2_mfpgpr): New.
 383         (floatsidf_ppc64_mfpgpr): New.
 384         (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
 385         (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
 386         (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
 387         (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
 388         (fix_truncdfsi2): Use gpc_reg_operand constraint.
 389         * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
 390         7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
 391         Add descriptions for insert_dword, shift,trap,var_shift_rotate,
 392         cntlz,exts and var_delayed_compare.
 393         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 394         _ARCH_PWR6X, if features enabled.
 395         * config/rs6000/rs6000.opt (mmfpgpr): New.
 396         * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
 397         (cached_can_issue_more): New variable.
 398         (processor_costs): Add power6_cost.
 399         (rs6000_sched_init): New function.
 400         (is_dispatch_slot_restricted): Deleted.
 401         (set_to_load_agen): New function.
 402         (is_load_insn,is_store_insn): New functions.
 403         (adjacent_mem_locations): New function.
 404         (insn_must_be_first_in_group): New function.
 405         (insn_must_be_last_in_group): New function.
 406         (rs6000_sched_reorder): New function.
 407         (rs6000_sched_reorder2): New function.
 408         (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
 409         TARGET_SCHED_REORDER2): Define.
 410         (processor_target_table): Use PROCESSOR_POWER6 for power6.
 411         Add power6x. Add MASK_MFPGPR for power6x.
 412         (POWERPC_MASKS): Add MASK_MFPGPR.
 413         (rs6000_override_options): Set rs6000_always_hint to false
 414         for power6.  Set rs6000_align_branch_targets. Replace
 415         rs6000_sched_groups check with rs6000_align_branch_targets.
 416         Use PROCESSOR_POWER6.
 417         (last_scheduled_insn): New variable.
 418         (load_store_pendulum): New variable.
 419         (rs6000_variable_issue): Set last_scheduled_insn and
 420         cached_can_issue_more.
 421         (rs6000_adjust_cost): Add power6 cost adjustments.
 422         (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
 423         with insn_must_be_first_in_group. Add power6 priority adjustments.
 424         (rs6000_issue_rate): Add CPU_POWER6.
 425         (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
 426         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
 427         (TARGET_MFPGPR): New.
 428         (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
 429         (ASM_CPU_SPEC): Add power6x.
 430         (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
 431         conditions.
 432         * config/rs6000/power6.md: New file.
 433
 434 2006-11-01  Adam Nemet  <anemet@caviumnetworks.com>
 435
 436         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
 437         HOST_WIDE_INT_PRINT to print high and low parts.  Use
 438         HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
 439         printing a hexadecimal number prefix it with 0x.
 440
 441 2006-11-01  Chris Johns <chris@contemporary.net.au>
 442
 443         PR bootstrap/28400
 444         * Makefile.in (install-driver): Use exeext when installing
 445         $target-gcc-$version.
 446
 447 2006-11-01      Douglas Gregor <doug.gregor@gmail.com>
 448
 449         * c-common.c (flag_cpp0x): New.
 450         * c-common.h (flag_cpp0x): New.
 451         * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
 452         supported, define __GXX_EXPERIMENTAL_CPP0X__.
 453         * c-opts.c (set_std_cxx0x): New.
 454         (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
 455         * c.opt (std=c++0x): Document.
 456         (std=gnu++0x): Ditto.
 457         * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
 458         * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
 459
 460 2006-11-01  Richard Guenther  <rguenther@suse.de>
 461
 462         * config/i386/i386.c (ix86_expand_rint): Fix issues with
 463         signed zeros.
 464         (ix86_expand_floorceildf_32): Likewise.
 465         (ix86_expand_floorceil): Likewise.
 466         (ix86_expand_trunc): Likewise.
 467
 468 2006-10-31  Andrew Pinski  <pinskia@gmail.com>
 469
 470         * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
 471         to "GNU C89".
 472
 473 2006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
 474
 475         * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
 476         hook.
 477         * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
 478         default.
 479         * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
 480         Override default.
 481         * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
 482         * configure.ac (use_cxa_atexit): As a special case, don't test
 483         for libc definition of __cxa_atexit on mingw32
 484         * configure: Regenerate.
 485         * config.gcc (i[34567]86-pc-mingw32): Default to
 486         enable__cxa_atexit=yes.
 487
 488 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 489
 490         * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
 491
 492 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 493
 494         PR 23067
 495         * c-decl.c (start_struct): Don't create self-containing
 496         structures.
 497         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
 498         New.
 499         * config/rs6000/rs6000-protos.h
 500         (darwin_rs6000_special_round_type_align): New.
 501         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
 502         (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
 503
 504 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 505
 506         * toplev.c (compile_file): Call final_write_globals
 507         even if there have been errors.
 508
 509 2006-10-31  Eric Christopher  <echristo@apple.com>
 510             Falk Hueffner  <falk@debian.org>
 511
 512         * doc/extend.texi (__builtin_bswap32): Document.
 513         (__builtin_bswap64): Ditto.
 514         * doc/libgcc.texi (bswapsi2): Document.
 515         (bswapdi2): Ditto.
 516         * doc/rtl.texi (bswap): Document.
 517         * optabs.c (expand_unop): Don't widen a bswap.
 518         (init_optabs): Init bswap. Set libfuncs explicitly
 519         for bswapsi2 and bswapdi2.
 520         * optabs.h (OTI_bswap): New.
 521         (bswap_optab): Ditto.
 522         * genopinit.c (optabs): Handle bswap_optab.
 523         * tree.h (tree_index): Add TI_UINT32_TYPE and
 524         TI_UINT64_TYPE.
 525         (uint32_type_node): New.
 526         (uint64_type_node): Ditto.
 527         * tree.c (build_common_tree_nodes_2): Initialize
 528         uint32_type_node and uint64_type_node.
 529         * builtins.c (expand_builtin_bswap): New.
 530         (expand_builtin): Call.
 531         (fold_builtin_bswap): New.
 532         (fold_builtin_1): Call.
 533         * fold-const.c (tree_expr_nonnegative_p): Return true
 534         for bswap.
 535         * builtin-types.def (BT_UINT32): New.
 536         (BT_UINT64): Ditto.
 537         (BT_FN_UINT32_UINT32): Ditto.
 538         (BT_FN_UINT64_UINT64): Ditto.
 539         * builtins.def (BUILT_IN_BSWAP32): New.
 540         (BUILT_IN_BSWAP64): Ditto.
 541         * rtl.def (BSWAP): New.
 542         * genattrtab.c (check_attr_value): New.
 543         * libgcc2.c (__bswapSI2): New.
 544         (__bswapDI2): Ditto.
 545         * libgcc2.h (__bswapSI2): Declare.
 546         (__bswapDI2): Ditto.
 547         * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
 548         * simplify-rtx.c (simplify_const_unary_operation): Return
 549         0 for BSWAP.
 550         * libgcc-std.ver (__bwapsi2): Add.
 551         (__bswapdi2): Ditto.
 552         * reload1.c (eliminate_regs_1): Add bswap.
 553         (elimination_effects): Ditto.
 554         * config/i386/i386.h (x86_bswap): New.
 555         (TARGET_BSWAP): Use.
 556         * config/i386/i386.c (x86_bswap): Set.
 557
 558 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 559
 560         * coverage.c (coverage_checksum_string): Update comment.
 561         * dwarf2out.c (switch_to_eh_frame_section): Update for removal
 562         of get_file_function_name.
 563         * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
 564         of get_file_function_name_long.
 565         * tree.c (get_file_function_name): Rename from
 566         get_file_function_name_long; improve comment; handle 'I' and 'D'
 567         specially when the target has ctor/dtor support; remove special
 568         handling for 'F'.
 569         (get_file_function_name): Remove.
 570         * tree.h (get_file_function_name): Rename from
 571         get_file_function_name_long.
 572         (get_file_function_name): Remove prototype.
 573
 574 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 575
 576         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
 577         * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
 578
 579         * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
 580         Call dsymutil when compiling and linking one or more source files
 581         in one step.
 582
 583 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 584
 585         PR 15834
 586         * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
 587
 588 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 589
 590         * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
 591         inline static functions in c99 mode.
 592
 593         PR 16622
 594         * doc/extend.texi (Inline): Update.
 595         * c-tree.h (struct language_function): Remove field 'extern_inline'.
 596         * c-decl.c (current_extern_inline): Delete.
 597         (pop_scope): Adjust test for an undefined nested function.
 598         Add warning about undeclared inline function.
 599         (diagnose_mismatched_decls): Update comments.  Disallow overriding
 600         of inline functions in a translation unit in C99.  Allow inline
 601         declarations in C99 at any time.
 602         (merge_decls): Boolize variables.  Handle C99 'extern inline'
 603         semantics.
 604         (grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
 605         C99 inline semantics.
 606         (start_function): Don't clear current_extern_inline.  Don't set
 607         DECL_EXTERNAL.
 608         (c_push_function_context): Don't push current_extern_inline.
 609         (c_pop_function_context): Don't restore current_extern_inline.
 610
 611         PR 11377
 612         * c-typeck.c (build_external_ref): Warn about static variables
 613         used in extern inline functions.
 614         * c-decl.c (start_decl): Warn about static variables declared
 615         in extern inline functions.
 616
 617 2006-10-31  Roger Sayle  <roger@eyesopen.com>
 618
 619         PR middle-end/23470
 620         * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
 621         * fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
 622         pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
 623         or y is an even integer.
 624
 625 2006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
 626
 627         PR target/24071
 628         * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
 629         * gthr-posix95.h (__gthread_active_p): Likewise.
 630
 631 2006-10-31  Richard Guenther  <rguenther@suse.de>
 632
 633         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
 634         acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
 635         expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
 636         exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
 637         ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
 638         lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
 639         lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
 640         btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
 641         !optimize_size.
 642
 643 2006-10-31  Steven Bosscher  <steven@gcc.gnu.org>
 644
 645         * opts.c (decode_options): Disable CSE skip blocks.
 646
 647 2006-10-30  Dirk Mueller  <dmueller@suse.de>
 648
 649         * c-common.h (strict_aliasing_warning): Fix whitespace.
 650         * c-decl (start_function): Move code for main decl warning ..
 651         * c-common.c (check_main_parameter_types): .. here.
 652         * c-common.h (check_main_parameter_types): Declare.
 653
 654 2006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 655
 656         PR middle-end/29335
 657         * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
 658
 659 2006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>
 660
 661         * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
 662         be a PARALLEL containing sets.  Return false when out_pat is not
 663         a PARALLEL insn.
 664
 665 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
 666
 667         * config/mips/mips.md (mul<mode>3): Split into...
 668         (mulsi3, muldi3): ...these separate patterns.
 669
 670 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
 671
 672         * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
 673         but with each set of options separated by spaces.
 674
 675 2006-10-30  J"orn Rennecke  <joern.rennecke@st.com>
 676
 677         * unwind-dw2.c (uw_init_context_1): Fix test that checks if
 678         dwarf_reg_size_table has been initialized.
 679
 680 2006-10-30  Roger Sayle  <roger@eyesopen.com>
 681
 682         * builtins.c (expand_builtin_mathfn_3): Correct coding style.
 683         * ddg.c (print_ddg_edge): Likewise.
 684         * dwarf2out.c (prune_unused_types_walk): Likewise.
 685         * ifcvt.c (noce_try_cmove_arith): Likewise.
 686         * langhooks.c (add_builtin_function): Likewise.
 687         * reg-stack.c (subst_stack_regs_pat): Likewise.
 688         * tree.c (expanded_location): Likewise.
 689         * tree-dump.c (dequeue_and_dump): Likewise.
 690
 691 2006-10-30  David Daney  <ddaney@avtrex.com>
 692
 693         * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
 694
 695 2006-10-30  Jakub Jelinek  <jakub@redhat.com>
 696
 697         PR tree-optimization/29637
 698         * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
 699         of the innertype is the innertype itself.
 700
 701 2006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
 702
 703         * dwarf2out.c (file_name_acquire): Correct typo.
 704
 705 2006-10-29  Daniel Berlin  <dberlin@dberlin.org>
 706
 707         * tree.h (tree_value_handle): Remove struct value_set declaration.
 708         Change value_set to bitmap_set.
 709         * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
 710         * tree-vn.c (get_value_handle): Made inline and moved to
 711         tree-flow-inline.h.
 712         * tree-flow-inline.h: (has_stmt_ann): New function.
 713         * tree-ssa-pre.c (expressions): New variable.
 714         (next_expression_id): Ditto.
 715         (alloc_expression_id): New function.
 716         (struct value_set): Remove.
 717         (get_expression_id): New function.
 718         (get_or_alloc_expression_id): Ditto.
 719         (expression_for_id): Ditto.
 720         (clear_expression_ids): Ditto.
 721         (FOR_EACH_EXPR_ID_IN_SET): New macro.
 722         (bb_value_sets): Renamed to bb_bitmap_sets.
 723         All value sets replaced with bitmap_sets.
 724         Add visited member.
 725         (BB_VISITED): New macro.
 726         (postorder): New variable.
 727         (add_to_value): Removed.
 728         (value_exists_in_set_bitmap): Ditto.
 729         (value_insert_into_set_bitmap): Ditto.
 730         (set_new): Ditto.
 731         (set_copy): Ditto.
 732         (set_remove): Ditto.
 733         (set_contains_value): Ditto.
 734         (insert_into_set): Ditto.
 735         (set_equal): Ditto.
 736         (find_leader): Ditto.
 737         (bitmap_set_subtract_from_value_set): Ditto.
 738         (value_insert_into_set): Ditto.
 739         (print_value_set): Ditto.
 740         (debug_value_set): Ditto.
 741         (constant_expr_p): New function.
 742         (bitmap_remove_from_set): Ditto.
 743         (bitmap_insert_into_set): Ditto.
 744         (bitmap_set_free): Ditto.
 745         (vh_compare): Ditto.
 746         (sorted_array_from_bitmap_set): Ditto.
 747         (bitmap_set_subtract): Ditto.
 748         (bitmap_set_equal): Ditto.
 749         (debug_bitmap_set): Ditto.
 750         (find_leader_in_sets): Ditto.
 751         (bitmap_set_replace_value): Modify for bitmapped sets.
 752         (phi_translate): Ditto.
 753         (phi_translate_set): Ditto.
 754         (bitmap_find_leader): Ditto.
 755         (valid_in_sets): Ditto.
 756         (union_contains_value): Ditto.
 757         (clean): Ditto.
 758         (compute_antic_aux): Ditto.  Mark changed blocks.
 759         (compute_antic): Ditto. Iterate in postorder and only over
 760         changing blocks.
 761         (compute_rvuse_and_antic_safe): Reuse postorder.
 762         (create_component_ref_by_pieces): Modify for bitmapped sets.
 763         (find_or_generate_expression): Ditto.
 764         (create_expression_by_pieces): Ditto.
 765         (insert_into_preds_of_block): Ditto.
 766         (changed_blocks): New variable.
 767         (do_regular_insertion): Broken out from insert_aux.
 768         (insert_aux): Modified for bitmapped sets.
 769         (find_existing_value_expr): New function.
 770         (create_value_expr_from): Use it.
 771         (insert_extra_phis): Removed.
 772         (print_bitmap_set): Renamed from bitmap_print_value_set.
 773         (compute_avail): Handle RETURN_EXPR.
 774         (init_pre): Modify for bitmapped sets.
 775         * tree-flow.h (has_stmt_ann): New function.
 776
 777 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 778
 779         * builtins.c (fold_builtin_floor): Check for the availability of
 780         the C99 trunc function before transforming floor into trunc.
 781
 782 2006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 783
 784         * builtins.c (fold_builtin_hypot): Rearrange recursive
 785         transformation before others, and also do ABS_EXPR.  When
 786         necessary, check flag_unsafe_math_optimizations.  When necessary,
 787         add fabs.
 788
 789 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 790
 791         * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
 792         Fold ~X op C as X op' ~C, where op' is the swapped comparison.
 793         (fold_binary): ~X eq/ne C is now handled in fold_comparison.
 794         Fold -X eq/ne -Y as X eq/ne Y.
 795
 796 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 797
 798         * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
 799         GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
 800         rather than GENERATE_MULT3_SI in the various define_peephole2s.
 801         (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
 802         Use an inclusive test for "mult" rather than "mul".
 803         (rotr<mode>3): Depend on ISA_HAS_ROR.
 804         * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
 805         ISA_HAS_MUL3.
 806         (GENERATE_MULT3_DI): Delete.
 807         (ISA_HAS_64BIT_REGS): Use consistent formatting.
 808         (ISA_HAS_MUL3): New macro.
 809         (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
 810         (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
 811         (ISA_HAS_CLZ_CLO): Likewise.
 812         (ISA_HAS_DCLZ_DCLO): Delete.
 813         (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
 814         (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
 815         the VR4120 and VR4130.
 816         (ISA_HAS_MACCHI): Use consistent formatting.
 817         (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
 818         (ISA_HAS_ROR): ...this new macro.
 819         (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
 820         (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
 821         (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
 822
 823 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 824
 825         PR tree-optimization/15458
 826         * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
 827         is a constant.
 828
 829 2006-10-29  Richard Guenther  <rguenther@suse.de>
 830
 831         * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
 832         (ix86_expand_truncdf_32): Likewise.
 833         * config/i386/i386.c (ix86_expand_trunc): New function expanding
 834         trunc inline for SSE math and -fno-trapping-math and if not
 835         optimizing for size.
 836         (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
 837         * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
 838         for expanding btrunc inline for SSE math.
 839
 840 2006-10-29  Joseph Myers  <joseph@codesourcery.com>
 841
 842         * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
 843         Handle tuning for bi-arch i[34567]86-*-linux* like that for
 844         i[34567]86-*-solaris2.1[0-9]*.
 845         * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
 846         Define conditionally depending on TARGET_64BIT_DEFAULT.
 847         (SPEC_32, SPEC_64): Define.
 848         (LINK_SPEC): Use them.
 849         * doc/install.texi (--enable-targets=all): Document for x86-linux.
 850
 851 2006-10-29  Richard Guenther  <rguenther@suse.de>
 852
 853         * config/i386/i386-protos.h (ix86_expand_round): Declare.
 854         (ix86_expand_rounddf_32): Likewise.
 855         * config/i386/i386.c (ix86_expand_round): New function expanding
 856         round inline for SSE math and -fno-trapping-math and if not
 857         optimizing for size.
 858         (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
 859         * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
 860         round via ix86_expand_round.
 861
 862 2006-10-29  Richard Guenther  <rguenther@suse.de>
 863
 864         * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
 865         (ix86_expand_floorceildf_32): Likewise.
 866         * config/i386/i386.c (ix86_expand_sse_compare_mask): New
 867         static helper function.
 868         (ix86_expand_floorceil): Expander for floor and ceil to SSE
 869         math.
 870         (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
 871         * config/i386/i386.md (floordf2): Adjust to enable floor
 872         expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
 873         -fno-trapping-math is enabled and if not optimizing for size.
 874         (floorsf2, ceildf2, ceilsf2): Likewise.
 875         * config/i386/sse.md (sse_maskcmpsf3): New insn.
 876         (sse2_maskcmpdf3): Likewise.
 877
 878 2006-10-29  Richard Guenther  <rguenther@suse.de>
 879
 880         * builtins.c (expand_builtin_mathfn): Expand nearbyint as
 881         rint in case -fno-trapping-math is enabled.
 882         * config/i386/i386-protos.h (ix86_expand_rint): Declare.
 883         * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
 884         (ix86_expand_sse_fabs): Likewise.
 885         (ix86_expand_rint): New function expanding rint to x87 or SSE math.
 886         * config/i386/i386.md (rintdf2): Enable for SSE math if
 887         -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
 888         (rintsf2): Likewise.
 889
 890 2006-10-29  Richard Guenther  <rguenther@suse.de>
 891
 892         * genopinit.c (optabs): Change lfloor_optab and lceil_optab
 893         to conversion optabs.
 894         * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
 895         as conversion optab.
 896         * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
 897         (enum convert_optab_index): Add COI_lfloor and COI_lceil.
 898         (lfloor_optab, lceil_optab): Adjust defines.
 899         * builtins.c (expand_builtin_int_roundingfn): Adjust for
 900         lfloor and lceil optabs now being conversion optabs.
 901         * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
 902         * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
 903         New static helper function.
 904         (ix86_expand_lfloorceil): New function to expand lfloor and
 905         lceil inline.
 906         * config/i386/i386.md (lfloor<mode>2): Split into ...
 907         (lfloorxf<mode>2): ... x87 variant
 908         (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
 909         using ix86_expand_lfloorceil.
 910         (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
 911         Likewise.
 912         * doc/md.texi (lfloorMN, lceilMN): Document.
 913
 914 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 915
 916         * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
 917         -mno-shared assembler option on mips targets.
 918         * configure, config.in: Regenerate.
 919         * config/mips/linux.h (NO_SHARED_SPECS): New macro.
 920         (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
 921         * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
 922
 923 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 924
 925         * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
 926         as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
 927
 928 2006-10-29  Kazu Hirata  <kazu@codesourcery.com>
 929
 930         * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
 931         config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
 932         comment typos.
 933
 934 2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 935
 936         PR middle-end/29335
 937         * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
 938         (fold_builtin_pow): Evaluate constant arguments at compile-time
 939         using MPFR.
 940         (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
 941         (do_mpfr_ckconv): New helper function.
 942         (do_mpfr_arg1): Use do_mpfr_ckconv.
 943         (do_mpfr_arg2): New.
 944
 945 2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 946
 947         PR tree-opt/29271
 948         * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
 949         (-fdump-rtl-sched): Rename to ..
 950         (-fdump-rtl-sched1): here.  Also fix file extension number.
 951
 952 2006-10-28  Richard Guenther  <rguenther@suse.de>
 953
 954         * fold-const.c (maybe_canonicalize_comparison): Fix code
 955         to match comment.
 956
 957 2006-10-28  Uros Bizjak  <uros@kss-loka.si>
 958
 959         * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
 960         (NON_QI_REG_P): Use IN_RANGE.
 961         (REX_INT_REGNO_P): Use IN_RANGE.
 962         (FP_REGNO_P): Use IN_RANGE.
 963         (SSE_REGNO_P): Use IN_RANGE.
 964         (REX_SSE_REGNO_P): Use IN_RANGE.
 965         (MMX_REGNO_P): Use IN_RANGE.
 966         (STACK_REGNO_P): New macro.
 967         (STACK_REG_P): Use STACK_REGNO_P.
 968         (NON_STACK_REG_P): Use STACK_REGNO_P.
 969         (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
 970         (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
 971         (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
 972         (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
 973         (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
 974
 975 2006-10-28  Eric Botcazou  <ebotcazou@adacore.com>
 976
 977         * except.h (output_function_exception_table): Add 'const char*' param.
 978         * except.c (switch_to_exception_section): Add 'const char*' param.
 979         If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
 980         and flag_function_sections is set, use a function-specific section.
 981         (output_function_exception_table): Add 'const char*' param.
 982         Adjust call to switch_to_exception_section.
 983         * final.c (rest_of_handle_final): Adjust calls to
 984         output_function_exception_table.
 985         * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
 986         * config.in: Regenerate.
 987         * configure: Likewise.
 988
 989 2006-10-28  Richard Guenther  <rguenther@suse.de>
 990
 991         PR middle-end/26899
 992         * fold-const.c (maybe_canonicalize_comparison_1): Helper
 993         for maybe_canonicalize_comparison.
 994         (maybe_canonicalize_comparison): New function for canonicalizing
 995         comparison trees.
 996         (fold_comparison): Call it to canonicalize comparisons with
 997         constants involved.
 998
 999 2006-10-28  Richard Guenther  <rguenther@suse.de>
1000
1001         PR target/28806
1002         * builtins.c (expand_builtin_int_roundingfn_2): Expand
1003         BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1004         (expand_builtin): Adjust likewise.
1005         * genopinit.c (optabs[]): Add lround optab.
1006         * optabs.c (init_optabs): Initialize lround_optab.
1007         * optabs.h (enum convert_optab_index): Add COI_lround.
1008         (lround_optab): Define.
1009         * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1010         * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1011         static function.
1012         (ix86_expand_lround): New function.
1013         * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1014         New expanders.
1015         * doc/md.texi (lroundMN2): Document.
1016
1017 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1018
1019         PR target/29377
1020         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1021         argument to HOST_WIDE_INT.  Update function prototype.
1022         (round_frame_size): Change return type to HOST_WIDE_INT.  Change
1023         "size" argument to HOST_WIDE_INT.  Update function prototype.
1024
1025 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1026
1027         * config/i386/i386.c (output_387_ffreep): Create output from a
1028         template string for !HAVE_AS_IX86_FFREEP.
1029
1030 2006-10-27  Eric Christopher  <echristo@apple.com>
1031
1032         * config/darwin.c: Fix formatting and grammar.
1033
1034 2006-10-27  Jan Hubicka  <jh@suse.cz>
1035
1036         * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1037         to be thrown away soon when IGNORE is set.
1038         * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1039         indicating when return value shall not be computed.
1040         * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1041
1042 2006-10-27  Vladimir Makarov  <vmakarov@redhat.com>
1043
1044         * config/i386/i386.h (TARGET_GEODE):
1045         (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1046         (TARGET_CPU_DEFAULT_geode): New macro.
1047         (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1048         TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1049         TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1050         TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1051         TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1052         the macro values.
1053         (TARGET_CPU_DEFAULT_NAMES): Add geode.
1054         (processor_type): Add PROCESSOR_GEODE.
1055
1056         * config/i386/i386.md: Include geode.md.
1057         (cpu): Add geode.
1058
1059         * config/i386/i386.c (geode_cost): New initialized global
1060         variable.
1061         (m_GEODE, m_K6_GEODE): New macros.
1062         (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1063         x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1064         x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1065         x86_schedule): Use m_K6_GEODE instead of m_K6.
1066         (x86_movx, x86_cmove): Set up m_GEODE.
1067         (x86_integer_DFmode_moves): Clear m_GEODE.
1068         (processor_target_table): Add entry for geode.
1069         (processor_alias_table): Ditto.
1070
1071         * config/i386/geode.md: New file.
1072
1073         * doc/invoke.texi: Add entry about geode processor.
1074
1075 2006-10-27  Mike Stump  <mrs@apple.com>
1076
1077         * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1078         __DYNAMIC__ from here back to ...
1079         * config/darwin.h (CPP_SPEC): ... here.
1080
1081 2006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
1082             Nathan Sidwell  <nathan@codesourcery.com>
1083
1084         * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1085         when choosing the minimum heapsize.
1086
1087 2006-10-26  Nathan Froyd <froydnj@codesourcery.com>
1088
1089         * gcc/unwind-dw2.h: Move cfa-related variables into
1090         struct frame_state_reg_info to ensure that the CFA is properly
1091         handled when executing DW_CFA_{remember,restore}_state.
1092         * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1093         gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1094         gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1095         gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1096         gcc/config/rs6000/linux-unwind.h,
1097         gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1098         gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1099         Modify to use new cfa_* fields.
1100
1101 2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1102
1103         * config/s390/s390.c (s390_init_frame_layout): Check positive
1104         frame_size.
1105
1106 2006-10-26  Ben Elliston  <bje@au.ibm.com>
1107
1108         * gimplify.c (get_name): Remove extraneous break.
1109         (gimplify_omp_for): Initialise ret with GS_OK.
1110
1111 2006-10-25  Steve Ellcey  <sje@cup.hp.com>
1112
1113         * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1114         Add unix98.o to link line.
1115
1116 2006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1117
1118         PR middle-end/29335
1119         * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1120         Calculate compile-time constants using MPFR.
1121         (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1122         BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1123
1124 2006-10-25  Bob Wilson  <bob.wilson@acm.org>
1125
1126         * config/xtensa/lib2funcs.S: Use C-style comments.
1127
1128 2006-10-24  Nathan Froyd  <froydnj@codesourcery.com>
1129
1130         * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1131         (file_table_relative_p): Likewise.
1132         (dwarf2out_finish): Likewise.
1133         (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1134
1135 2006-10-25  Daniel Berlin  <dberlin@dberlin.org>
1136
1137         * tree-ssa-structalias.c (intra_create_variable_infos):
1138           Don't recreate nonlocal_all if it already exists.
1139
1140 2006-10-25  Richard Guenther  <rguenther@suse.de>
1141
1142         PR target/28803
1143         * optabs.h (enum optab_index): Remove OTI_lrint.
1144         (enum convert_optab_index): Add COI_lrint.
1145         (lrint_optab): Adjust.
1146         (expand_sfix_optab): Declare.
1147         * optabs.c (expand_sfix_optab): New function.
1148         (init_optabs): Init lrint_optab as conversion optab.
1149         * genopinit.c (lrint_optab): Change to a conversion optab.
1150         * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1151         expansion via conversion optab.
1152         * config/i386/i386.md (*fistdi2_1): Remove
1153         flag_unsafe_math_optimizations guard.
1154         (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1155         fist<mode>2_with_temp): Likewise.
1156         (lrint<mode>2): Split into...
1157         (lrintxf<mode>2): ... x87 part
1158         (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1159         * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1160         sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1161         UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1162         * doc/md.texi (lrintMN2): Document.
1163
1164 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
1165
1166         PR target/28909
1167         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1168         Use inc and dec instructions for TARGET_USE_INCDEC.
1169         ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1170         ("sync_double_compare_and_swap<mode>"): Likewise.
1171         ("*sync_double_compare_and_swapdi_pic"): Likewise.
1172         ("*sync_compare_and_swap_cc<mode>"): Likewise.
1173         ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1174         ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1175         ("sync_old_add<mode>"): Likewise.
1176         ("sync_lock_test_and_set<mode>"): Likewise.
1177         ("sync_lock_test_and_set<mode>"): Likewise.
1178         ("sync_add<mode>"): Likewise.
1179         ("sync_sub<mode>"): Likewise.
1180         ("sync_ior<mode>"): Likewise.
1181         ("sync_and<mode>"): Likewise.
1182         ("sync_xor<mode>"): Likewise.
1183
1184 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
1185
1186         * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1187         (remainder_optab): Define corresponding macro.
1188         (drem_optab): Remove.
1189         * optabs.c (init_optabs): Initialize remainder_optab.  Remove
1190         drem_optab initialization.
1191         * genopinit.c (optabs): Implement remainder_optab using
1192         remainder?f3 patterns.  Remove drem_optab.
1193         * builtins.c (expand_builtin_mathfn_2): Handle
1194         BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1195         (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1196         expand_builtin_mathfn_2.
1197
1198         (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1199         depend on flag_unsafe_math_optimizations.
1200
1201         * config/i386/i386.md ("remaindersf3", "remainderdf3")
1202         ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1203         Do not depend on flag_unsafe_math_optimizations.  Use
1204         truncxf?f expander instead of truncxf?f_i387_noop.
1205
1206         ("fpremxf4", "fprem1xf4"): Do not depend on
1207         flag_unsafe_math_optimizations.
1208         ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1209         flag_unsafe_math_optimizations.  Use truncxf?f expander
1210         instead of truncxf?f_i387_noop.
1211
1212         * doc/md.texi (fmod, remainder): Document standard named pattern.
1213
1214 2006-10-24  Richard Sandiford  <richard@codesourcery.com>
1215             David Daney  <ddaney@avtrex.com>
1216
1217         PR middle-end/29519
1218         * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
1219
1220 2006-10-25  Ben Elliston  <bje@au.ibm.com>
1221
1222         * doc/extend.texi (Variable Attributes): Typo fix.
1223
1224 2006-10-24  Uros Bizjak  <uros@kss-loka.si>
1225
1226         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1227         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1228         (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1229         (FRAME_POINTER_REGNUM): Update register number to 21.
1230         (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1231         (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1232
1233         * config/i386/i386.c (regclass_map): Add fpcr entry.
1234         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1235         Add fpcr entry.
1236         (print_reg): Assert REGNO (x) != FPCR_REG.
1237
1238         * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1239         (DIRFLAG_REG): Renumber.
1240         (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1241         (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1242         (sse_prologue_save, *sse_prologue_save_insn): Renumber
1243         hardcoded SSE register numbers.
1244
1245         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1246         hardcoded MMX register numbers.
1247
1248 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1249
1250         PR middle-end/29335
1251         * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1252         (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1253         Update all callers.
1254         (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1255         (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1256         BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1257         BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1258
1259 2006-10-24  Richard Guenther  <rguenther@suse.de>
1260
1261         PR middle-end/28796
1262         * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1263         and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1264         for deciding optimizations in consistency with fold-const.c
1265         (fold_builtin_unordered_cmp): Likewise.
1266
1267 2006-10-24  Richard Guenther  <rguenther@suse.de>
1268
1269         * builtins.c (fold_builtin_floor): Fold floor (x) where
1270         x is nonnegative to trunc (x).
1271         (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1272         nonnegative to FIX_TRUNC_EXPR.
1273
1274 2006-10-24  Richard Guenther  <rguenther@suse.de>
1275
1276         PR tree-optimization/29567
1277         * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1278         for TRUTH_NOT_EXPR.  Clarify comments.
1279
1280 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1281
1282         PR middle-end/29335
1283         * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1284         at compile-time using MPFR.  Change parameter VALUE to FUNC,
1285         update all callers.
1286         (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
1287         for overflow and underflow at all times and avoid folding in
1288         those cases.
1289
1290 2006-10-24  Ben Elliston  <bje@au.ibm.com>
1291
1292         * reload1.c: Formatting fixes.
1293
1294 2006-10-23  Zdenek Dvorak <dvorakz@suse.cz>
1295
1296         PR tree-optimization/14784
1297         * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1298         * tree-ssa-structalias.c (get_constraint_for,
1299         intra_create_variable_infos): Set is_heapvar.
1300         * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1301         non-heapvar pointer variables specially.
1302
1303 2006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1304
1305         PR middle-end/29335
1306         * builtins.c (fold_builtin_sin, fold_builtin_cos,
1307         fold_builtin_tan): Fold all constant arguments.  Take a "type"
1308         argument as necessary.
1309         (do_mpfr_arg1): New.
1310         * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1311
1312 2006-10-23  Bob Wilson  <bob.wilson@acm.org>
1313
1314         * config/xtensa/lib1funcs.asm: Use C-style comments.
1315
1316 2006-10-23 Rafael Avila de Espindola  <rafael.espindola@gmail.com>
1317
1318         * tree.c (local_define_builtin): Replace calls to
1319         lang_hooks.builtin_function with add_builtin_function.
1320         * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1321         c_builtin_function.
1322         * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1323         the signature.
1324         * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1325         common code to add_builtin_function.
1326         * langhooks.c (add_builtin_function): New function.
1327         (lhd_builtin_function): New function.
1328         * langhooks.h (struct lang_hooks): Change the signature of
1329         builtin_function.
1330         (add_builtin_function): New function.
1331         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1332         calls to lang_hooks.builtin_function with add_builtin_function.
1333         * c-common.c (decl_builtin_1): Replace calls to
1334         lang_hooks.builtin_function with add_builtin_function.
1335         * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1336         lang_hooks.builtin_function with add_builtin_function.
1337         * config/frv/frv.c (def_builtin): Replace calls to
1338         lang_hooks.builtin_function with add_builtin_function.
1339         * config/s390/s390.c (s390_init_builtins): Replace calls to
1340         lang_hooks.builtin_function with add_builtin_function.
1341         * config/sparc/sparc.c (def_builtin): Replace calls to
1342         lang_hooks.builtin_function with add_builtin_function.
1343         * config/i386/i386.c (def_builtin): Replace calls to
1344         lang_hooks.builtin_function with add_builtin_function.
1345         * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1346         lang_hooks.builtin_function with add_builtin_function.
1347         * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1348         lang_hooks.builtin_function with add_builtin_function.
1349         * config/stormy16/stormy16.c (xstormy16_init_builtins):
1350         Replace calls to lang_hooks.builtin_function with
1351         add_builtin_function.
1352         * config/iq2000/iq2000.c (def_builtin):
1353         Replace calls to lang_hooks.builtin_function with
1354         add_builtin_function.
1355         * config/ia64/ia64.c (def_builtin): Replace calls to
1356         lang_hooks.builtin_function with add_builtin_function.
1357         * config/rs6000/rs6000.c (def_builtin): Replace calls to
1358         lang_hooks.builtin_function with add_builtin_function.
1359         (altivec_init_builtins): Replace calls to
1360         lang_hooks.builtin_function with add_builtin_function.
1361         * config/arm/arm.c (def_mbuiltin): Replace calls to
1362         lang_hooks.builtin_function with add_builtin_function.
1363         (arm_init_tls_builtins): Replace calls to
1364         lang_hooks.builtin_function with add_builtin_function.
1365         * config/mips/mips.c (mips_init_builtins): Replace calls to
1366         lang_hooks.builtin_function with add_builtin_function.
1367         * config/bfin/bfin.c (def_builtin): Replace calls to
1368         lang_hooks.builtin_function with add_builtin_function.
1369         * langhooks-def.h (lhd_builtin_function): New function.
1370         (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1371
1372 2006-10-23  Jakub Jelinek  <jakub@redhat.com>
1373
1374         * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1375         BUILT_IN_STRNCAT_CHK.
1376
1377 2006-10-23  Jan Hubicka  <jh@suse.cz>
1378
1379         * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1380         don't do conversion from memmove to memcpy here.
1381         (expand_builtin_bcopy, expand_builtin): Update call of
1382         expand_builtin_memmove.
1383         (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1384
1385 2006-10-23  Paul Brook  <paul@codesourcery.com>
1386
1387         * stor-layout.c (start_record_layout): maximum_field_alignment
1388         overrides STRUCTURE_SIZE_BOUNDARY.
1389
1390 2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>
1391
1392         * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1393         nonlocal function symbols if flag_pic.
1394
1395 2006-10-23  Richard Guenther  <rguenther@suse.de>
1396
1397         PR middle-end/27132
1398         PR middle-end/23295
1399         * builtins.c (fold_binary): Remove checks for flag_wrapv
1400         and flag_trapv where negate_expr_p covers these cases.
1401
1402 2006-10-23  Richard Guenther  <rguenther@suse.de>
1403
1404         PR middle-end/29548
1405         * fold-const.c (fold_plusminus_mult_expr): Check exact power
1406         of two on the absolute value.
1407         (fold_binary): Fold x * -C to -x * C if x is easily negatable
1408         and negating -C does not overflow.
1409
1410 2006-10-23  Richard Guenther  <rguenther@suse.de>
1411
1412         PR middle-end/21032
1413         * convert.c (convert_to_real): Fold (float)-x to -(float)x
1414         only if not flag_rounding_math.
1415
1416 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
1417             Kaz Kojima  <kkojima@gcc.gnu.org>
1418
1419         PR target/28232
1420         * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1421         SImode memory reference for the source of a movua.
1422         * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1423         (movua): Use an unspec instead of sign_extract.  Expect the source
1424         to have mode BLKmode.
1425         (extv, insv): Use a BLKmode rather than SImode memory reference
1426         for the source of a movua.
1427
1428 2006-10-22  Jeff Law  <law@redhat.com>
1429         Richard Guenther  <rguenther@suse.de>
1430
1431         PR tree-optimization/15911
1432         * tree-vrp.c (extract_code_and_val_from_cond): New function.
1433         (register_edge_assert_for_1): Likewise.
1434         (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1435         (find_conditional_asserts): Adjust for new function signature.
1436         (find_assert_locations): Likewise.
1437
1438 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
1439
1440         * config/i386/tmmintrin.h: Remove the duplicated content.
1441
1442 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
1443
1444         * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1445         (x86_64-*-*): Likewise.
1446
1447         * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1448         (override_options): Check SSSE3.
1449         (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1450         IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1451         IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1452         IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1453         IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1454         IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1455         IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1456         IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1457         IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1458         IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1459         IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1460         IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1461         IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1462         IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1463         IX86_BUILTIN_PABSD128.
1464         (bdesc_2arg): Add SSSE3.
1465         (bdesc_1arg): Likewise.
1466         (ix86_init_mmx_sse_builtins): Support SSSE3.
1467         (ix86_expand_builtin): Likewise.
1468         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1469
1470         * config/i386/i386.md (UNSPEC_PSHUFB): New.
1471         (UNSPEC_PSIGN): Likewise.
1472         (UNSPEC_PALIGNR): Likewise.
1473         Include mmx.md before sse.md.
1474
1475         * config/i386/i386.opt: Add -mssse3.
1476
1477         * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1478         (ssse3_phaddwv4hi3): Likewise.
1479         (ssse3_phadddv4si3): Likewise.
1480         (ssse3_phadddv2si3): Likewise.
1481         (ssse3_phaddswv8hi3): Likewise.
1482         (ssse3_phaddswv4hi3): Likewise.
1483         (ssse3_phsubwv8hi3): Likewise.
1484         (ssse3_phsubwv4hi3): Likewise.
1485         (ssse3_phsubdv4si3): Likewise.
1486         (ssse3_phsubdv2si3): Likewise.
1487         (ssse3_phsubswv8hi3): Likewise.
1488         (ssse3_phsubswv4hi3): Likewise.
1489         (ssse3_pmaddubswv8hi3): Likewise.
1490         (ssse3_pmaddubswv4hi3): Likewise.
1491         (ssse3_pmulhrswv8hi3): Likewise.
1492         (ssse3_pmulhrswv4hi3): Likewise.
1493         (ssse3_pshufbv16qi3): Likewise.
1494         (ssse3_pshufbv8qi3): Likewise.
1495         (ssse3_psign<mode>3): Likewise.
1496         (ssse3_psign<mode>3): Likewise.
1497         (ssse3_palignrti): Likewise.
1498         (ssse3_palignrdi): Likewise.
1499         (abs<mode>2): Likewise.
1500         (abs<mode>2): Likewise.
1501
1502         * config/i386/tmmintrin.h: New file.
1503
1504         * doc/extend.texi: Document SSSE3 built-in functions.
1505
1506         * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1507
1508 2006-10-22  Ira Rosen  <irar@il.ibm.com>
1509
1510         * tree-vect-transform.c (vectorizable_load): Use the type of the
1511         return value of the mask_for_load builtin to create realign_load
1512         stmt.
1513
1514 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
1515
1516         * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1517         expressions.
1518
1519 2006-10-21  H.J. Lu  <hongjiu.lu@intel.com>
1520
1521         * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1522         (UNSPEC_LDDQU): This.
1523         * config/i386/sse.md (sse3_lddqu): Updated.
1524
1525 2006-10-21  Richard Guenther  <rguenther@suse.de>
1526
1527         * builtins.c (expand_builtin_int_roundingfn_2): New function.
1528         (expand_builtin): Use it to expand lrint instead of
1529         expand_builtin_mathfn.
1530
1531 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1532
1533         PR middle-end/28252
1534         * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1535         flag_unsafe_math_optimizations is set.
1536
1537 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1538
1539         PR target/19398
1540         * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1541         patterns to use memory input operand in x87->mem->XMM
1542         reload sequences.  Skip transformation for TARGET_K8.
1543
1544 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1545
1546         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1547         force operand1 to register if both operands are memory operands.
1548         (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1549         (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1550         if both operands are memory operands.
1551         (truncdfsf2): Do not force operand1 to register if both operands
1552         are memory operands.
1553
1554 2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1555
1556         * Makefile.in (LIBS): Add $(GMPLIBS).
1557         * doc/install.texi: Update GMP and MPFR requirements.
1558         * doc/sourcebuild.texi (need_gmp): Delete.
1559
1560 2006-10-21  Richard Guenther  <rguenther@suse.de>
1561
1562         PR tree-optimization/3511
1563         * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1564         got new invariant arguments during PHI translation.
1565
1566 2006-10-21  Richard Guenther  <rguenther@suse.de>
1567
1568         PR middle-end/26898
1569         * fold-const.c (fold_comparison): Fold signed comparisons
1570         of the form X +- C1 CMP Y +- C2.
1571
1572 2006-10-21  Richard Guenther  <rguenther@suse.de>
1573
1574         PR target/19116
1575         * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1576         if flag_unsafe_math_optimizations is specified.  We have
1577         flag_finite_math_only for that.
1578         * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1579         or flag_unsafe_math_optimizations.
1580
1581 2006-10-21  Richard Guenther  <rguenther@suse.de>
1582
1583         * builtins.c (fold_builtin_classify): Fix typo.
1584
1585 2006-10-21  Richard Guenther  <rguenther@suse.de>
1586
1587         PR middle-end/28796
1588         * simplify-rtx.c (simplify_const_relational_operation):
1589         Do not constant-fold ORDERED and UNORDERED for
1590         flag_unsafe_math_optimizations but only we do not need to
1591         honor NaNs for the given mode.
1592
1593 2006-10-21  Richard Guenther  <rguenther@suse.de>
1594
1595         PR target/29512
1596         * config/i386/i386.c (classify_argument): Remove redundant
1597         walking of the BINFOs.
1598         (contains_128bit_aligned_vector_p): Likewise.
1599
1600 2006-10-20  Mark Mitchell  <mark@codesourcery.com>
1601
1602         * BASE-VER: Set to 4.3.0.
1603
1604 2006-10-20  Daniel Berlin  <dberlin@dberlin.org>
1605
1606         * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1607         (tree_decl_with_vis): Remove artificial_pta_var flag.
1608         * tree-flow.h (referenced_var_check_and_insert): Expose.
1609         (nonlocal_all): New prototype.
1610         * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1611         (nonlocal_all): Make global.
1612         (nonlocal_lookup): Remove.
1613         (nonlocal_insert): Ditto.
1614         (create_nonlocal_var): Do not call nonlocal_insert.
1615         (get_nonlocal_id_for_type): Remove.
1616         (find_global_initializers): Mark new vars we find for renaming.
1617         (intra_create_variable_infos): Only create one nonlocal.
1618         (expand_nonlocal_solutions): Remove.
1619         (compute_points_to_sets): Don't call it.
1620         (ipa_pta_execute): Ditto.
1621         (init_alias_heapvars): Don't create nonlocal_for_type.
1622         (delete_alias_heapvars): Don't remove it.
1623         * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1624         nonlocal_all.
1625
1626 2006-10-19  Brooks Moses  <bmoses@stanford.edu>
1627
1628         * doc/install.texi (Downloading GCC): Clarify mention of
1629         Fortran in the "full distribution" description.
1630
1631 2006-10-19  Daniel Berlin  <dberlin@dberlin.org>
1632
1633         Fix PR tree-optimization/28778
1634         Fix PR tree-optimization/29156
1635         Fix PR tree-optimization/29415
1636         * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1637         (tree_decl_with_vis): Add artificial_pta_var flag.
1638         * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1639         pushed into callers.
1640         * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1641         (nonlocal_all): Ditto.
1642         (struct variable_info): Add directly_dereferenced member.
1643         (var_escaped_vars): New variable.
1644         (escaped_vars_tree): Ditto.
1645         (escaped_vars_id): Ditto.
1646         (nonlocal_vars_id): Ditto.
1647         (new_var_info): Set directly_dereferenced.
1648         (graph_size): New variable
1649         (build_constraint_graph): Use graph_size.
1650         (solve_graph): Don't process constraints that cannot change the
1651         solution, don't try to propagate an empty solution to our
1652         successors.
1653         (process_constraint): Set directly_dereferenced.
1654         (could_have_pointers): New function.
1655         (get_constraint_for_component_ref): Don't process STRING_CST.
1656         (nonlocal_lookup): New function.
1657         (nonlocal_insert): Ditto.
1658         (create_nonlocal_var): Ditto.
1659         (get_nonlocal_id_for_type): Ditto.
1660         (get_constraint_for): Allow results vector to be empty in the case
1661         of string constants.
1662         Handle results of calls properly.
1663         (update_alias_info): Update alias info stats on number and type of
1664         calls.
1665         (find_func_aliases): Use could_have_pointers.
1666         (make_constraint_from_escaped): Renamed from
1667         make_constraint_to_anything, and changed to make constraints from
1668         escape variable.
1669         (make_constraint_to_escaped): New function.
1670         (find_global_initializers): Ditto.
1671         (create_variable_info_for): Make constraint from escaped to any
1672         global variable, and from any global variable to the set of
1673         escaped vars.
1674         (intra_create_variable_infos): Deal with escaped instead of
1675         pointing to anything.
1676         (set_uids_in_ptset): Do type pruning on directly dereferenced
1677         variables.
1678         (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1679         (init_base_vars): Fix comment, and initialize escaped_vars.
1680         (need_to_solve): Removed.
1681         (find_escape_constraints): New function.
1682         (expand_nonlocal_solutions): Ditto.
1683         (compute_points_to_sets): Call find_escape_constraints and
1684         expand_nonlocal_solutions.
1685         (delete_points_to_sets): Don't fall off the end of the graph.
1686         (init_alias_heapvars): Initialize nonlocal_for_type and
1687         nonlocal_all.
1688         (delete_alias_heapvars): Free nonlocal_for_type and null out
1689         nonlocal_all.
1690
1691 2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>
1692
1693         * fold-const.c (add_double): Rename to add_double_with_sign.
1694         Add 'unsigned_p' parameter and take it into account for the overflow.
1695         (mul_double): Rename to mul_double_with_sign.
1696         Add 'unsigned_p' parameter and take it into account for the overflow.
1697         (fold_div_compare): Call add_double_with_sign instead of add_double
1698         and mul_double_with_sign instead of mul_double, passing them the
1699         unsignedness of the type.
1700         * tree.h (add_double): Macroize.
1701         (add_double_with_sign): New prototype.
1702         (mul_double): Macroize.
1703         (mul_double_with_sign): New prototype.
1704
1705 2006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>
1706
1707         * config/score/crti.asm: New file.
1708         * config/score/crtn.asm: New file.
1709         * config/score/elf.h: New file.
1710         * config/score/mac.md: New file.
1711         * config/score/misc.md: New file.
1712         * config/score/mul-div.S: New file.
1713         * config/score/predicates.md: New file.
1714         * config/score/score7.md: New file.
1715         * config/score/score.c: New file.
1716         * config/score/score-conv.h: New file.
1717         * config/score/score.h: New file.
1718         * config/score/score.md: New file.
1719         * config/score/score-mdaux.c: New file.
1720         * config/score/score-mdaux.h: New file.
1721         * config/score/score-modes.def: New file.
1722         * config/score/score.opt: New file.
1723         * config/score/score-protos.h: New file.
1724         * config/score/score-version.h: New file.
1725         * config/score/t-score-elf: New file.
1726         * config.gcc: Add score*-*-* configurations(Update before).
1727         * doc/invoke.texi (Score Options): New section.
1728         * doc/md.texi (Score family): New section to document constraints.
1729
1730 2006-10-19  Nick Clifton  <nickc@redhat.com>
1731
1732         * config/arm/arm.c: Fix spelling typo.
1733
1734 2006-10-18  Tom Tromey  <tromey@redhat.com>
1735
1736         * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1737
1738 2006-10-18  Jan Hubicka  <jh@suse.cz>
1739
1740         PR middle-end/29299
1741         * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1742         are used.
1743
1744 2006-10-18  Marcin Dalecki  <martin@dalecki.de>
1745
1746         * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1747         TSI_SAME_STMT, since that's the desired entity.
1748
1749 2006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>
1750
1751         * config/s390/contraints.md: New file.
1752         * config/s390/s390-protos.h (s390_mem_constraint,
1753         s390_O_constraint_str, s390_N_constraint_str,
1754         s390_float_const_zero_p): Function prototypes added.
1755         * config/s390/s390.c (s390_extra_constraint_str,
1756         s390_const_double_ok_for_constraint_p,
1757         s390_const_ok_for_constraint_p): Functions removed.
1758         (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1759         s390_float_const_zero_p): New functions.
1760         * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1761         CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1762         EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1763         Macro definitions removed.
1764         (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1765         s390_extra_constraint_str): Functions removed.
1766
1767 2006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
1768             Richard Sandiford  <richard@codesourcery.com>
1769
1770         PR target/29413
1771         * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1772         * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1773
1774 2006-10-16  Geoffrey Keating  <geoffk@apple.com>
1775
1776         * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1777         (DWARF2_FRAME_REG_OUT): Likewise.
1778         * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1779         (DWARF2_FRAME_REG_OUT): Likewise.
1780
1781 2006-10-17  Paul Brook  <paul@codesourcery.com>
1782
1783         * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1784
1785 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
1786
1787         * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1788         Standardize on "GNU Fortran" as the official name of the Fortran
1789         compiler.
1790
1791 2006-10-16  Mike Stump  <mrs@apple.com>
1792
1793         * doc/invoke.texi (Darwin Options): Document -mkernel.
1794         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1795         -mkernel support.
1796         (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
1797         SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1798         (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1799         (OS_MISSING_ALTIVEC): Add.
1800         * config/i386/i386.c (override_options): Add
1801         SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1802         * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1803         -mkernel, -static or -mdynamic-no-pic is given.
1804         (C_COMMON_OVERRIDE_OPTIONS): Add.
1805         * config/darwin.opt (fapple-kext): Add.
1806         (mkernel): Add.
1807         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1808         -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1809         -mkernel support.
1810         (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1811         (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1812         (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1813         (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1814         (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1815         (flag_mkernel): Add.
1816         (flag_apple_kext): Add.
1817         (TARGET_KEXTABI): Add.
1818         * config/darwin.c (darwin_handle_kext_attribute): Add.
1819         (DARWIN_VTABLE_P): Add.
1820         (darwin_binds_local_p): Add partial support for rebinding vtables
1821         in kexts.
1822         (darwin_kextabi_p): Add.
1823         (darwin_override_options): Add.
1824         * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1825         (darwin_kextabi_p): Add.
1826         (darwin_override_options): Add.
1827         * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1828         __DYNAMIC__ and __STATIC__ here.
1829
1830 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
1831
1832         * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1833         Added mention of "make pdf" target, and Texinfo requirements for
1834         same.
1835
1836 2006-10-16  DJ Delorie  <dj@redhat.com>
1837
1838         * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1839         into the GOT in case we need a subreg of the address.
1840
1841 2006-10-16  Richard Guenther  <rguenther@suse.de>
1842
1843         PR target/25519
1844         * doc/extend.texi (X86 Built-in Functions): Fix typos in
1845         SSE builtin documentation.  Document SSE2 builtins.
1846
1847 2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1848
1849         * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1850         symbol in the output file for non-shared links when -nostdlib or
1851         -nodefaultlibs isn't specified.
1852
1853         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1854         posix thread support.
1855
1856 2006-10-15  Jan Hubicka  <jh@suse.cz>
1857
1858         PR middle-end/29241
1859         * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1860         declared always_inline even when not inlining.
1861
1862 2006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
1863             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1864             Andrew Pinski  <pinskia@gmail.com>
1865
1866         PR middle-end/29111
1867         * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1868
1869 2006-10-15  Jan Hubicka  <jh@suse.cz>
1870             Richard Guenther  <rguenther@suse.de>
1871
1872         PR middle-end/29299
1873         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1874         process_function_and_variable_attributes on all variables, including
1875         those discovered during cgraph construction phase.
1876
1877 2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>
1878
1879         * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1880
1881 2006-10-14  Uros Bizjak  <uros@kss-loka.si>
1882
1883         * config/i386/athlon.md (athlon_fist): Add fisttp.
1884
1885 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
1886             Ian Lance Taylor  <ian@airs.com>
1887
1888         PR middle-end/29250
1889         * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1890         CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1891         recursing.
1892
1893 2006-10-14  Kazu Hirata  <kazu@codesourcery.com>
1894
1895         * config/score/score.c, config/score/score.h: Fix comment
1896         typos.
1897
1898 2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1899
1900         PR bootstrap/29402
1901         * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1902         shell pipeline.
1903
1904 2006-10-13  Eric Christopher  <echristo@apple.com>
1905
1906         * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1907
1908 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1909
1910         Revert this change:
1911         2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1912         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1913         alignment supported by 32-bit ELF.
1914
1915 2006-10-13  Eric Christopher  <echristo@apple.com>
1916
1917         * config/darwin.c (darwin_emit_unwind_label): Strip
1918         name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1919
1920 2006-10-13  Richard Guenther  <rguenther@suse.de>
1921
1922         PR tree-optimization/29446
1923         * tree-vrp.c (fix_equivalence_set): Remove.
1924         (extract_range_from_assert): Do not call fix_equivalence_set.
1925         (debug_value_range): Print a newline.
1926         (compare_name_with_value): For equivalence sets with
1927         inconsistent value ranges conservatively bail out.
1928         (compare_names): Likewise.
1929
1930 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
1931
1932         * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1933         and MPFR for gfortran.
1934
1935 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1936
1937         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1938         alignment supported by 32-bit ELF.
1939
1940 2006-10-13  Paolo Bonzini  <bonzini@gnu.org>
1941
1942         PR c/29092
1943
1944         * c-typeck.c (digest_init): Always allow initializing vectors
1945         that have static storage duration with compound literals.
1946         * tree.c (build_type_attribute_qual_variant): New, based on
1947         build_type_attribute_variant.
1948         (build_type_attribute_variant): Rewrite using the former.
1949         (make_vector_type): Use build_type_attribute_qual_variant to build
1950         type variants.  Use type_hash_canon on the others.
1951
1952 2006-10-13  Daniel Berlin <dberlin@dberlin.org>
1953             Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>
1954
1955         * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1956
1957 2006-10-12  Jan Hubicka  <jh@suse.cz>
1958
1959         PR c/28419
1960         * c-decl.c (c_make_fname_decl): Do not segfault in case where
1961         current_function_decl is set but current_function_scope is not.
1962
1963 2006-10-12  Jie Zhang  <jie.zhang@analog.com>
1964
1965         * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1966         emit_insn to emit eh_return_internal instruction.
1967         (eh_return_internal): Explicitly set pc.
1968
1969 2006-10-11  Richard Guenther  <rguenther@suse.de>
1970
1971         PR tree-optimization/28230
1972         * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1973         to the correct place.
1974
1975 2006-10-11  Richard Guenther  <rguenther@suse.de>
1976
1977         PR inline-asm/29119
1978         * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1979         addressable.
1980
1981 2006-10-10  Brooks Moses  <bmoses@stanford.edu>
1982
1983         * configure.ac: Added pdf to "Make-hooks"
1984         * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1985         targets and *.pdf file patterns in cleanup targets.
1986         * configure: Regenerated.
1987
1988 2006-10-10  Anatoly Sokolov <aesok@post.ru>
1989
1990         * config/avr/predicates.md: New file.
1991         * config/avr/avr.md: Include it.
1992         (REG_SP): New constant.
1993         (peepholes): Use predicates.
1994         (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1995         difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
1996         sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1997
1998 2006-10-10  Adam Nemet  <anemet@caviumnetworks.com>
1999
2000         * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2001         avoid alias set 0.
2002
2003 2006-10-10  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR middle-end/29272
2006         * builtins.c (var_decl_component_p): New function.
2007         (fold_builtin_memset, fold_builtin_memory_op): Restrict
2008         single entry optimization to variables and components thereof.
2009
2010 2006-10-10  Richard Guenther  <rguenther@suse.de>
2011
2012         PR rtl-optimization/29323
2013         * except.c (set_nothrow_function_flags): For functions
2014         that do not bind local bail out early.
2015
2016 2006-10-10  Ben Elliston  <bje@au.ibm.com>
2017
2018         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2019         -mdlmzb option.
2020
2021 2006-10-09  Richard Henderson  <rth@redhat.com>
2022
2023         Revert emutls patch.
2024
2025 2006-10-09  Richard Guenther  <rguenther@suse.de>
2026
2027         PR middle-end/29254
2028         * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2029         errors.
2030
2031 2006-10-09  Steve Ellcey  <sje@cup.hp.com>
2032
2033         PR target/27880
2034         * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2035         * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2036         * configure: Regenerate.
2037         * config.in: Regenerate.
2038
2039 2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
2040
2041         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2042
2043 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
2044
2045         * config/mips/mips.c (mips_legitimize_tls_address): Implement
2046         all TLS models in the same way as local exec if !TARGET_ABICALLS.
2047         Remove stray newline.
2048
2049 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
2050
2051         * config/mips/mips.c (mips_classify_symbol): Do not return
2052         SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2053         (mips_in_small_data_p): Tweak comments.
2054
2055 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
2056
2057         * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2058
2059 2006-10-07  Kazu Hirata  <kazu@codesourcery.com>
2060
2061         * gimplify.c, sched-int.h: Fix comment typos.
2062
2063         * sched-int.h: Fix comment typos.
2064
2065 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2066
2067         * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2068         New macros.
2069         * sched-ebb.c (begin_schedule_ready): Use them.
2070         * haifa-sched.c (schedule_insn, move_insn, try_ready,
2071         add_to_speculative_block, create_check_block_twin, speculate_insn,
2072         fix_jump_move, move_block_after_check): Ditto.
2073         * sched-rgn.c (new_ready): Ditto.
2074
2075 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2076
2077         PR rtl-optimization/29128
2078         * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2079         * sched-ebb.c (advance_target_bb): Use it to fix condition to
2080         allow interblock movement of speculation checks.
2081
2082 2006-10-06  Zdenek Dvorak <dvorakz@suse.cz>
2083
2084         PR middle-end/29256
2085         * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2086         casted to integer type.
2087         (get_address_cost): Decrease cost of [symbol + index] addressing modes
2088         if they are significantly more expensive than [reg + index] ones.
2089
2090 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
2091
2092         PR tree-optimization/29330
2093         * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2094         (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2095         on newly allocated ddrs.
2096         (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2097         to VEC (loop_p, heap) pointer.
2098         (compute_data_dependences_for_loop): Adjust caller.
2099         (free_dependence_relations): Free DDR_LOOP_NEST.
2100
2101         * tree-loop-linear.c (linear_transform_loops): Don't forget to
2102         free DEPENDENCE_RELATIONS and DATAREFS.
2103
2104         PR target/28924
2105         * builtins.c (expand_builtin_sync_operation,
2106         expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2107         Use convert_to_mode to handle promoted arguments.
2108
2109 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
2110
2111         * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2112
2113 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
2114
2115         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2116
2117 2006-10-05  Uros Bizjak  <uros@kss-loka.si>
2118
2119         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2120         "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2121         Use <modeconstraint> instead of "r" as operand 1 constraint.
2122
2123 2006-10-06  Olivier Hainque  <hainque@adacore.com>
2124
2125         * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2126         Don't recurse on the pointed-to type.
2127         * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2128         DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2129         types with components of variable size.
2130
2131 2006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
2132
2133         * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2134
2135 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
2136
2137         PR tree-optimization/29290
2138         * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2139         multiple exits.
2140
2141         PR target/29198
2142         * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2143         * config/i386/predicates.md (local_symbolic_operand): Likewise.
2144
2145         PR c/29091
2146         * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2147         the number of vector elements fill the rest with zeros.
2148
2149 2006-10-05  Richard Sandiford  <richard@codesourcery.com>
2150
2151         * config/mips/mips.c (mips_pass_by_reference): Do not return false
2152         for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
2153         instead.
2154
2155 2006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2156
2157         * config/bfin/bfin.md (subsi3): Lose expander, change previously
2158         unnamed pattern into subsi3.  Use correct constraints/predicates.
2159         * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2160         * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2161
2162 2006-10-05  Ira Rosen  <irar@il.ibm.com>
2163
2164         * doc/loop.texi: Add data references analysis description.
2165
2166 2006-10-04  Brooks Moses  <bmoses@stanford.edu>
2167
2168         * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2169
2170 2006-10-04  Richard Henderson  <rth@redhat.com>
2171             Jakub Jelinek  <jakub@redhat.com>
2172
2173         * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2174         * builtin-types.def (BT_WORD): Make unsigned.
2175         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2176         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2177         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2178         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2179         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2180         * cgraph.c (decide_is_variable_needed): Look at force_output.
2181         Recurse for emulated tls.
2182         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2183         checks redundant with decide_is_variable_needed.
2184         (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2185         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2186         emulated tls.
2187         * expr.c (emutls_var_address): New.
2188         (expand_expr_real_1): Expand emulated tls.
2189         (expand_expr_addr_expr_1): Likewise.
2190         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2191         * output.h (emutls_finish): Declare.
2192         * toplev.c (compile_file): Call it.
2193         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2194         address before wrapping in CONST.
2195         * varasm.c (emutls_htab, emutls_object_type): New.
2196         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2197         (get_emutls_object_name, get_emutls_object_type): New.
2198         (get_emutls_init_templ_addr, emutls_decl): New.
2199         (emutls_common_1, emutls_finish): New.
2200         (assemble_variable): When emulating tls, swap decls; generate
2201         constructor for the emutls objects.
2202         (do_assemble_alias): When emulating tls, swap decl and target name.
2203         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2204         for emulated tls.
2205         * emutls.c: New file.
2206         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2207         tls_object for real tls.
2208
2209 2006-10-04  Zack Weinberg  <zackw@panix.com>
2210
2211         Fix bug in constraint-check generator, reported by Rask Ingemann
2212         Lambertsen:
2213         * genpreds.c (add_constraint): Don't remove anything from the
2214         expression here.
2215         (write_tm_constrs_h): Detect whether "op" argument is used, and
2216         mark it ARG_UNUSED if it isn't.
2217         (write_insn_const_int_ok_for_constraint): Skip the part of the
2218         expression that would test whether "op" (which is not available
2219         here) is a CONST_INT.
2220
2221 2006-10-04  Ryan Mansfield  <rmansfield@qnx.com>
2222
2223         PR c++/28448
2224         * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2225
2226 2006-10-03  Geoffrey Keating  <geoffk@apple.com>
2227
2228         * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2229         current Leopard versions.
2230         * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2231
2232 2006-10-03  Kazu Hirata  <kazu@codesourcery.com>
2233
2234         * doc/install.texi: Fix typos.
2235
2236 2006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2237
2238         * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2239         * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2240         * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2241
2242 2006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>
2243
2244         * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2245         arg to be struct mach_header_64* instead.
2246
2247 2006-10-02  Jakub Jelinek  <jakub@redhat.com>
2248
2249         PR c/29154
2250         * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2251         side effects after the outer expression's post side effects.
2252
2253 2006-10-01  Sandra Loosemore  <sandra@codesourcery.com>
2254
2255         * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
2256         comments to reflect actual behavior and relationship between
2257         DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2258
2259         * doc/c-tree.texi (Working with declarations): Fix documentation
2260         of FIELD_DECL likewise.
2261
2262 2006-10-01  Ryan Mansfield  <rmansfield@qnx.com>
2263
2264         PR c/20533
2265         * doc/extend.texi: Add used variable attribute description.
2266
2267 2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
2268
2269         PR c/24010
2270         * c.opt (Woverride-init): New.
2271         * c-opts.c (c_common_post_options): Default warn_override_init to
2272         extra_warnings.
2273         * c-typeck.c (add_pending_init, output_init_element): Warn for
2274         overriding initializers without side effects.
2275         * doc/invoke.texi (-Woverride-init): Document.
2276         (-Wextra): Update.
2277
2278 2006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2279
2280         PR rtl-optimization/28096
2281         * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2282         assignment has already been used as a destination earlier in the block.
2283
2284 2006-09-29  Eric Botcazou  <ebotcazou@adacore.com>
2285
2286         * builtins.c (expand_builtin_setjmp): Delete.
2287         (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2288         <BUILT_IN_SETJMP_SETUP>: New case.
2289         <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2290         <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2291         * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2292         (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2293         (BUILT_IN_SETJMP_RECEIVER): Likewise.
2294         * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2295         (lower_function_body): Initialize it to false.  If it is set to true
2296         at the end of the processing, emit the setjmp dispatcher.
2297         (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2298         is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2299         <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2300         on the rhs of the assignment.
2301         (lower_builtin_setjmp): New function.
2302         * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2303         BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2304         * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2305         to detect calls that can go to non-local labels.  Use specific
2306         helper to create the abnormal edges associated with them.
2307         <MODIFY_EXPR>: Likewise.
2308         (make_abnormal_goto_edges): New function extracted from...
2309         (make_goto_expr_edges): ...here.  Call it for computed gotos.
2310         (simple_goto_p): Minor tweak.
2311         (tree_can_make_abnormal_goto): New predicate.
2312         (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2313         (tree_purge_dead_abnormal_call_edges): New function.
2314         * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2315         (tree_purge_dead_abnormal_call_edges): Likewise.
2316         (make_abnormal_goto_edges): Likewise.
2317         * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2318         Purge all dead abnormal edges if the call was in the last statement.
2319         * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2320         (execute_fixup_cfg): If there are non-local labels in the function,
2321         scan the basic blocks and split them at calls that can go to non-local
2322         labels or add missing abnormal call edges.  Write down the CFG in the
2323         dump file.
2324         (pass_fixup_cfg): Remove TODO_dump_func flag.
2325         * unwind-sjlj.c: Poison setjmp.
2326         * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2327         * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2328         (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2329         (DONT_USE_BUILTIN_SETJMP): Document it.
2330
2331 2006-09-28  Geoffrey Keating  <geoffk@apple.com>
2332
2333         PR target/28617
2334         * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2335         to 1 when __ppc64__ is defined.
2336         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2337         darwin-64.c.
2338         * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2339
2340 2006-09-28  Steve Ellcey  <sje@cup.hp.com>
2341
2342         * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2343         * config/ia64/unwind-hpux.c: Delete.
2344
2345 2006-09-28  Eric Botcazou  <ebotcazou@adacore.com>
2346
2347         * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2348         on the element before gimplifying it, instead of punting if it is of
2349         variable size.
2350
2351 2006-09-28  Zdenek Dvorak <dvorakz@suse.cz>
2352
2353         * doc/loop.texi: New file.
2354         * doc/gccint.texi: Reference loop.texi.
2355         * Makefile.in (loop.texi): Add.
2356
2357 2006-09-27  Geoffrey Keating  <geoffk@apple.com>
2358
2359         * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2360         __sysctl.
2361         * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2362         * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2363
2364 2006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2365
2366         * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2367
2368 2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
2369
2370         * doc/install.texi: Document required versions of GMP and MPFR.
2371
2372 2006-09-27  Paul Brook  <paul@codesourcery.com>
2373
2374         PR target/29230
2375         * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2376
2377 2006-09-27  Richard Sandiford  <richard@codesourcery.com>
2378
2379         * reload1.c (alter_reg): Require the alignment of the stack slot to
2380         be at least reg_max_ref_width bytes.
2381         (scan_paradoxical_subregs): Record the largest width in
2382         reg_max_ref_width.
2383
2384 2006-09-26  Jakub Jelinek  <jakub@redhat.com>
2385
2386         PR middle-end/25261
2387         PR middle-end/28790
2388         * tree-nested.c (struct nesting_info): Added static_chain_added.
2389         (convert_call_expr): Set static_chain_added when adding static
2390         chain.  Handle OMP_PARALLEL and OMP_SECTION.
2391
2392 2006-09-25  Matthias Klose  <doko@debian.org>
2393
2394         * doc/invoke.texi: Add missing full stop.
2395
2396 2006-09-25  Richard Henderson  <rth@redhat.com>
2397
2398         * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2399         before cgraph_function_flags_ready.
2400
2401 2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
2402             Adam Nemet  <anemet@caviumnetworks.com>
2403
2404         * tree-ssa-loop-ivopts.c (aff_combination_convert,
2405         determine_common_wider_type): New functions.
2406         (get_computation_aff): Use them to simplify arithmetic between
2407         UBASE and CBASE if they are shortened from the same type.
2408
2409 2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
2410
2411         PR target/28911
2412         * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2413         -2147483647 - 1 instead of 0x80000000.
2414
2415 2006-09-23  Revital1 Eres  <ERES@il.ibm.com>
2416
2417         * flags.h (HONOR_NANS): Fix typo in comment.
2418
2419 2006-09-23  Uros Bizjak <uros@kss-loka.si>
2420
2421         * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2422
2423 2006-09-23  Jakub Jelinek  <jakub@redhat.com>
2424
2425         PR c/28706
2426         PR c/28712
2427         * tree.c (merge_attributes, attribute_list_contained): If both
2428         TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2429         simple_cst_equal.
2430         * c-typeck.c (comptypes_internal): Don't consider aggregates
2431         in different TUs as compatible if there one set of attributes is
2432         not a subset of the other type's attributes.
2433         (composite_type): Try harder not to create a new aggregate type.
2434
2435 2006-09-22  Geoffrey Keating  <geoffk@apple.com>
2436
2437         * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2438         * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2439         or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
2440         (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2441         than replicating condition above.
2442         * config.host (i[34567]86-*-*): Always use driver-i386.o.
2443
2444         * config/darwin.h (LINK_SYSROOT_SPEC): New.
2445         (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2446         the linker by default.
2447
2448 2006-09-22  Mike Stump  <mrs@apple.com>
2449
2450         * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2451         code.
2452
2453 2006-09-22  Richard Guenther  <rguenther@suse.de>
2454
2455         PR middle-end/28964
2456         * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2457         sort of stack variables stable.
2458
2459 2006-09-22  Peter Bergner <bergner@vnet.ibm.com>
2460
2461         PR middle-end/28690
2462         * explow.c (force_reg): Set REG_POINTER flag according to
2463         MEM_POINTER flag.
2464
2465 2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
2466
2467         PR tree-optimization/28888
2468         * tree-if-conv.c (combine_blocks): Rewritten.
2469         * tree-cfg.c (tree_verify_flow_info): Check that edges with
2470         EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2471
2472 2006-09-22  Jakub Jelinek  <jakub@redhat.com>
2473
2474         * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2475         needed.
2476
2477 2006-09-21  Richard Sandiford  <richard@codesourcery.com>
2478
2479         * varasm.c (copy_constant): Fix reversed gcc_assert check.
2480
2481 2006-09-21  Janis Johnson  <janis187@us.ibm.com>
2482
2483         * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2484
2485 2006-09-21  Roger Sayle  <roger@eyesopen.com>
2486
2487         PR debug/29132
2488         * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2489         dw_fde_current_label, to be the start of the function, i.e. the same
2490         value as dw_fde_begin.
2491
2492 2006-09-20  Richard Sandiford  <richard@codesourcery.com>
2493
2494         * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2495         * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2496         (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2497         (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2498         (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2499         (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2500         (abs<mode>2, neg<mode>2): Likewise.
2501         * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2502         (*mips_abs_ps): New define_insn.
2503
2504 2006-09-20  Josh Conner  <jconner@apple.com>
2505
2506         PR middle-end/25505
2507         * calls.c (expand_call): Allow reuse of structure return stack
2508         temp.
2509
2510 2006-09-20  Paul Brook  <paul@codesourcery.com>
2511
2512         * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2513         positive offsets.
2514
2515 2006-09-20  Janis Johnson  <janis187@us.ibm.com>
2516
2517         * doc/extend.texi (Decimal Float): Update for latest draft TR,
2518         clean up terminology.
2519
2520 2006-09-20  Steve Ellcey  <sje@cup.hp.com>
2521
2522         PR target/28574
2523         * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2524         with tablejumps in them.
2525
2526 2006-09-20  Jakub Jelinek  <jakub@redhat.com>
2527
2528         PR middle-end/28046
2529         * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2530         wrap it into TARGET_EXPR.
2531
2532 2006-09-20  Eric Christopher  <echristo@apple.com>
2533
2534         * config/i386/i386.c (x86_fisttp): Remove.
2535         * config/i386/i386.h (x86_fisttp): Ditto.
2536         (TARGET_FISTTP): Ditto.
2537
2538 2006-09-19  Eric Christopher  <echristo@apple.com>
2539
2540         * doc/tm.texi (OBJC_JBLEN): Describe.
2541         * config/i386/darwin.h (OBJC_JBLEN): Define.
2542         * config/rs6000/darwin.h: Ditto.
2543
2544 2006-09-19  Steven Bosscher  <steven@gcc.gnu.org>
2545
2546         PR rtl-optimization/21299
2547         * reload1.c (reload): Purge invalid ASMs in the final pass.
2548
2549 2006-09-19  Steve Ellcey  <sje@cup.hp.com>
2550
2551         PR  28490
2552         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2553         pointers as legitimate constants.
2554
2555 2006-09-19  Paul Brook  <paul@codesourcery.com>
2556
2557         PR target/28516
2558         * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2559
2560 2006-09-17  Zdenek Dvorak <dvorakz@suse.cz>
2561
2562         PR tree-optimization/28887
2563         * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2564         component parts from the reference.
2565         (gather_memory_references_ref): Record the reference without the
2566         nonaddressable component parts.
2567
2568 2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>
2569
2570         PR c/25993
2571         * c-opts.c (c_common_handle_option): Ignore the -std options
2572         if the input language is assembly.
2573
2574 2006-09-17  Ira Rosen  <irar@il.ibm.com>
2575
2576         PR tree-opt/21591
2577         * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2578         tag first.
2579         (ptr_ptr_may_alias_p): Likewise.
2580         (record_record_differ_p): New function.
2581         (base_object_differ_p): Call record_record_differ_p.
2582
2583 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
2584
2585         PR tree-opt/29059
2586         * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2587         away for the expr argument.
2588
2589 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
2590
2591         PR tree-opt/27742
2592         * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2593         before using it for dumping after vectorizing loops.
2594
2595 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
2596             Jack Howarth  <howarth@bromo.med.uc.edu>
2597
2598         PR target/29030
2599         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2600         skip on error_mark_node.
2601         (rs6000_darwin64_record_arg_recurse): Likewise.
2602
2603 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
2604
2605         * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2606         * doc/rtl.texi: Remove related documentation.
2607
2608 2006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2609
2610         * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2611         printf.
2612
2613 2006-09-15  Jim Wilson  <wilson@specifix.com>
2614
2615         * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2616         Handle symbol offsets same as they are handled in ia64_expand_move
2617         and move_operand.
2618
2619 2006-09-16  Andreas Tobler  <a.tobler@schweiz.org>
2620
2621         * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2622         Add forgotten parameter to the fprintf call.
2623
2624 2006-09-15  Steve Ellcey  <sje@cup.hp.com>
2625
2626         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2627
2628 2006-09-15  Uros Bizjak <uros@kss-loka.si>
2629
2630         * doc/contrib.texi: Add my entry.
2631
2632 2006-09-15  Nick Clifton  <nickc@redhat.com>
2633
2634         * doc/md.texi (Processor pipeline description): Fix typo in
2635         example of how to use the absence_set directive and reword the
2636         description to make it slightly easier to read.
2637
2638 2006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2639
2640         * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2641         * loop-doloop.c (doloop_optimize): Use it to limit costs of
2642         expanding the number of iterations.
2643         * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2644
2645         * cfgrtl.c (emit_insn_at_entry): New function.
2646         * rtl.h (emit_insn_at_entry): Declare it.
2647         * integrate.c (emit_initial_value_sets): Use it.
2648
2649         * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2650
2651         * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2652         bad.
2653         (struct loop_work and related VEC declarations): Delete.
2654         (bfin_dump_loops): Print out new member bad.
2655         (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
2656         (bfin_scan_loop): Don't recurse.
2657         (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2658         loops.  No longer need to update outer loops if the current one is
2659         found bad.  Move some validitiy checks to bfin_discover_loop.
2660         (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2661         but changed not to check for nesting.  Also changed to use the new bad
2662         flag.
2663         (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2664         time.  Use bitmap based test to discover loop nesting.
2665
2666 2006-09-15  Kazu Hirata  <kazu@codesourcery.com>
2667
2668         * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2669         one line.
2670
2671 2006-09-14  Richard Guenther  <rguenther@suse.de>
2672             Kazu Hirata  <kazu@codesourcery.com>
2673
2674         PR middle-end/28884.
2675         * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2676         (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2677         Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2678         with TARGET_FUNCTION_VALUE.
2679
2680 2006-09-14  Anatoly Sokolov <aesok@post.ru>
2681
2682         PR target/26504
2683         * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2684
2685 2006-09-13  Aldy Hernandez  <aldyh@redhat.com>
2686
2687         * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2688         of a RETURN_EXPR
2689
2690 2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2691
2692         PR debug/28980
2693         * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2694         FUNCTION_DECL.
2695
2696 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2697
2698         * basic_block.h (bb_has_eh_pred): Fix comment.
2699
2700 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2701
2702         * flow.c (calculate_global_regs_live): Invalidate eh registers
2703         on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2704         (propagate_block): Handle eh registers as if they were set at basic
2705         block start.
2706         * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2707         registers.
2708         * global.c (global_conflicts): Make eh registers to conflict with
2709         pseudos live at basic block begin.
2710         * basic_block.h (bb_has_eh_pred): New function.
2711
2712 2006-09-13  Richard Sandiford  <richard@codesourcery.com>
2713
2714         PR rtl-optimization/28982
2715         * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2716         index of a PRE_MODIFY or POST_MODIFY address.
2717         * reload1.c (inc_for_reload): Use find_replacement on the original
2718         base and index registers.
2719
2720 2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>
2721
2722         * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2723         for -Os. Update __m128 alignment requirement.
2724
2725 2006-09-13  Jan Hubicka  <jh@suse.cz>
2726
2727         * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2728
2729 2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2730
2731         PR rtl-optimization/28243
2732         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2733         the insn to which the note was originally attached.
2734
2735 2006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2736             Roger Sayle  <roger@eyesopen.com>
2737
2738         * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2739         outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2740         on platforms that don't use dwarf for debug info.
2741
2742 2006-09-12  Jason Merrill  <jason@redhat.com>
2743
2744         PR middle-end/28493
2745         * builtins.c (expand_builtin_setjmp_receiver): Clobber
2746         hard_frame_pointer_rtx after using it to update the frame pointer.
2747
2748 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2749
2750         * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2751         (TARGET_ASM_CLOSE_PAREN): Likewise.
2752         * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2753         (TARGET_ASM_CLOSE_PAREN): Likewise.
2754
2755 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2756
2757         PR target/22223
2758         * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2759         frame information for frames larger than 512 Kbytes on Tru64 when
2760         using the native assembler.
2761
2762 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2763
2764         PR middle-end/4520
2765         PR bootstrap/28784
2766         * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2767         and symbols.  Instead use the implementation from cse.c's hash_rtx.
2768
2769 2006-09-12  Jan Hubicka  <jh@suse.cz>
2770
2771         PR rtl-optimization/28071
2772         * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2773         (vect_transform_loop): Likewise.
2774         * tree-vectorizer.c (new_loop_vec_info): Likewise.
2775         (new_loop_vec_info): Likewise.
2776         (destroy_loop_vec_info): Likewise.
2777         * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2778         (create_stmt_ann): Likewise.
2779         (create_tree_ann): Rename to ...
2780         (create_tree_common_ann): ... this one; allocate only the common part
2781         of annotations.
2782         * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2783         (get_value_handle): Likewise.
2784         * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2785         get_tree_common_ann.
2786         * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2787         (vinfo_for_stmt): Use stmt annotations.
2788         * tree-flow.h (tree_ann_common_t): New type.
2789         (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2790         (tree_ann, get_tree_ann, create_tree_ann): New.
2791         * tree-flow-inline.h (get_function_ann): Do more type checking.
2792         (stmt_ann): Likewise.
2793         (tree_ann): Rename to ...
2794         (tree_common_ann): ... this one; return ony common_ann
2795         (get_tree_ann): Rename to ...
2796         (tree_common_ann): This one; return only common_ann.
2797         * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2798         of set_stmt_info.
2799
2800 2006-09-11  Geoffrey Keating  <geoffk@apple.com>
2801
2802         * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2803         with_cpu by default.
2804
2805         * dwarf2out.c (dwarf_file_data): New.
2806         (enum dw_val_class): Add dw_val_class_file.
2807         (struct dw_val_struct): Add val_file.
2808         (file_table): Change to a hash table.
2809         (file_table_emitted): Delete.
2810         (file_table_last_lookup_index): Delete.
2811         (emitcount): Delete.
2812         (last_emitted_file): New.
2813         (lookup_filename): Change prototype to return a struct dwarf_file_data.
2814         (init_file_table): Delete.
2815         (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2816         (AT_addr): Add comment.
2817         (add_AT_file): New.
2818         (AT_file): New.
2819         (get_AT_file): New.
2820         (print_die): Handle dw_val_class_file.
2821         (print_dwarf_line_table): Update for new file table structure.
2822         (attr_checksum): Do checksum a filename.
2823         (same_dw_val_p, same_attr_p): Do compare a filename.
2824         (size_of_die): Handle dw_val_class_file.
2825         (value_format): Likewise.
2826         (output_die): Likewise.  Also, call maybe_emit_file here.
2827         (struct file_info): Constify filenames.  Make file_idx a pointer
2828         to a struct dwarf_file_data.
2829         (struct dir_info): Constify directory names.  Remove 'used' field.
2830         (struct file_name_acquire_data): New.
2831         (file_name_acquire): New.
2832         (output_file_names): Modify to handle new file data structures.
2833         (add_src_coords_attributes): Use add_AT_file.
2834         (add_call_src_coords_attributes): Likewise.
2835         (dwarf2out_imported_module_or_decl): Likewise.
2836         (gen_subprogram_die): Modify for new file data structures.
2837         (gen_variable_die): Likewise.
2838         (file_table_eq): New.
2839         (file_table_hash): New.
2840         (file_table_last_lookup): New.
2841         (lookup_filename): Rewrite to handle new file data structures.
2842         (maybe_emit_file): Rewrite to handle new file data structures.
2843         (dwarf2out_source_line): Always call lookup_filename and
2844         maybe_emit_file.
2845         (dwarf2out_init): Create file_table here.
2846         (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2847         (file_table_relative_p): New.
2848         (dwarf2out_finish): Change detection of relative filenames
2849         to work with new file data structures.  Move output_line_info call
2850         after debug_info output.
2851
2852 2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>
2853
2854         PR target/13685
2855         PR target/27537
2856         PR target/28621
2857         * config/i386/i386.c (override_options): Always default to 16
2858         byte stack boundary.
2859
2860 2006-09-11  Alexandre Oliva  <aoliva@redhat.com>
2861
2862         PR target/28672
2863         * var-tracking.c (dump_dataflow_set): Start dumping at
2864         register zero.
2865         (clobber_variable_part): Kill only the variable part in
2866         registers holding it, leaving other variables alone.
2867
2868 2006-09-11  Josh Triplett  <josh@freedesktop.org>
2869
2870         * doc/extend.texi (Other Builtins): Actually use the macro
2871         argument in the documentation example for
2872         __builtin_types_compatible_p.
2873
2874 2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2875
2876         PR rtl-optimization/28726
2877         * sched-deps.c (sched_analyze_reg): New function extracted from...
2878         (sched_analyze_1): ...here.  Call it to analyze references to
2879         registers.  Treat again writes to a stack register as writing to the
2880         register.
2881         (sched_analyze_2): ...and here.  Call it to analyze references to
2882         registers.  Treat again reads of a stack register as reading the
2883         register.
2884
2885 2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
2886             David Edelsohn  <edelsohn@gnu.org>
2887
2888         PR target/27287
2889         * config/rs6000/spe.md (frob_df_di): Remove %H.
2890         (frob_di_df): Remove %H.  Change evmergelo to mr.
2891         (frob_di_df_2): Remove %H.  Change evldd to two loads.
2892
2893 2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>
2894
2895         * doc/cpp.texi: Fix names of charset options.
2896
2897 2006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>
2898
2899         PR target/29009
2900         * config/i386/i386.c (override_options): Use 128-bit
2901         stack boundary always for 64bits.
2902
2903 2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2904
2905         PR rtl-optimization/28636
2906         * combine.c (force_to_mode): Test for side-effects before
2907         substituting by zero.
2908         (simplify_shift_const): Likewise for zero or other constants.
2909
2910 2006-09-10  Steven Bosscher  <steven@gcc.gnu.org>
2911
2912         PR middle-end/26983
2913         * builtins.c (expand_builtin_setjmp): Force next_lab to be
2914         preserved.
2915
2916 2006-09-10  Richard Sandiford  <richard@codesourcery.com>
2917
2918         PR target/29006
2919         * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2920         * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2921         returned by mode_for_size, rather than the mode of src itself,
2922         to choose between 32-bit and 64-bit patterns.
2923         (mips_mem_fits_mode_p): New function.
2924         * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2925         that the size of the source matches the size of the destination.
2926         (mov_<store>l, mov_<store>r): Likewise.
2927
2928 2006-09-10  Eric Christopher  <echristo@apple.com>
2929
2930         * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2931         for literal16.
2932
2933 2006-09-09  Eric Christopher  <echristo@apple.com>
2934
2935         PR target/28995
2936         * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2937         for literal16.
2938
2939 2006-09-09  Roger Sayle  <roger@eyesopen.com>
2940             Nicolas Setton <setton@adacore.com>
2941
2942         * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2943
2944 2006-09-10  Andreas Schwab  <schwab@suse.de>
2945
2946         * config/m68k/m68k.md (bungt_rev): New pattern.
2947
2948 2006-09-09  Paolo Bonzini  <bonzini@gnu.org>
2949             Dale Johannesen  <dalej@apple.com>
2950
2951         PR target/26778
2952         * regclass.c (struct reg_pref): Update documentation.
2953         (regclass): Set prefclass to NO_REGS if memory is the best option.
2954         (record_reg_classes): Cope with a prefclass set to NO_REGS.
2955
2956 2006-09-08  Eric Christopher  <echristo@apple.com>
2957
2958         * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2959         * config/t-slibgcc-darwin: Support x86_64 multilib.
2960         * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2961         Return 1 for x86_64-darwin.
2962         * config/i386/t-darwin: Add m64 multilib.
2963         (LIB2_SIDITI_CONV_FUNCS): Use.
2964         (LIB2FUNCS_EXTRA): Ditto.
2965         * config/i386/darwin.h: Support x86_64.
2966         * config/i386/i386.c (override_options): Turn on flag_pic
2967         for x86_64-darwin. Disable flag_omit_pointer.
2968         (get_pc_thunk_name): Assert !TARGET_64BIT.
2969         (legitimate_address_p): Disable machopic addressing for
2970         x86_64.
2971         (legitimize_pic_address): Ditto.
2972         (ix86_expand_move): Ditto.
2973         (ix86_expand_call): Ditto.
2974         (machopic_output_stub): Ditto.
2975         * config/darwin.c (machopic_select_section): Support literal16.
2976         (machopic_select_rtx_section): Ditto.
2977         * config/darwin-sections.def: Ditto.
2978         * config/darwin-64.c: New.
2979
2980 2006-09-08  Joseph S. Myers  <joseph@codesourcery.com>
2981
2982         PR c/28504
2983         * c-tree.h (struct c_arg_info): Add pending_sizes.
2984         * c-parser.c (c_parser_parms_declarator,
2985         c_parser_parms_list_declarator): Initialize pending_sizes.
2986         * c-decl.c (get_parm_info): Initialize pending_sizes.
2987         (get_parm_info): Set pending_sizes.
2988         (grokdeclarator): Call put_pending_sizes for parameters for
2989         function definition only.
2990
2991 2006-09-07  Jason Merrill  <jason@redhat.com>
2992
2993         PR middle-end/27724
2994         * varasm.c (output_constant): Only strip actual no-op conversions.
2995
2996         PR target/13685
2997         * config/i386/i386.c (override_options): Use 128-bit
2998         stack boundary if -msse.
2999
3000 2006-09-07  Eric Christopher  <echristo@apple.com>
3001
3002         * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3003         comment.
3004         * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3005         Redefine.
3006
3007 2006-09-07  Geoffrey Keating  <geoffk@apple.com>
3008
3009         * dwarf2out.c: Remove strange characters from comment above
3010         dwarf2out_frame_debug_expr.
3011
3012 2006-09-07  Eric Christopher  <echristo@apple.com>
3013
3014         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3015         * config/darwin.h: ... to here.
3016
3017 2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
3018
3019         * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3020
3021         * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3022         (TARGET_PARTIAL_FLAG_REG_STALL): New.
3023
3024         * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3025         TARGET_PARTIAL_FLAG_REG_STALL.
3026         (*ashldi3_cconly_rex64): Likewise.
3027         (*ashlsi3_cmp): Likewise.
3028         (*ashlsi3_cconly): Likewise.
3029         (*ashlsi3_cmp_zext): Likewise.
3030         (*ashlhi3_cmp): Likewise.
3031         (*ashlhi3_cconly): Likewise.
3032         (*ashlqi3_cmp): Likewise.
3033         (*ashlqi3_cconly): Likewise.
3034         (*ashrdi3_cmp_rex64): Likewise.
3035         (*ashrdi3_cconly_rex64): Likewise.
3036         (*ashrsi3_cmp): Likewise.
3037         (*ashrsi3_cconly): Likewise.
3038         (*ashrsi3_cmp_zext): Likewise.
3039         (*ashrhi3_cmp): Likewise.
3040         (*ashrhi3_cconly): Likewise.
3041         (*ashrqi3_cmp): Likewise.
3042         (*ashrqi3_cconly): Likewise.
3043         (*lshrdi3_cmp_rex64): Likewise.
3044         (*lshrdi3_cconly_rex64): Likewise.
3045         (*lshrsi3_cmp): Likewise.
3046         (*lshrsi3_cconly): Likewise.
3047         (*lshrsi3_cmp_zext): Likewise.
3048         (*lshrhi3_cmp): Likewise.
3049         (*lshrhi3_cconly): Likewise.
3050         (*lshrqi2_cmp): Likewise.
3051         (*lshrqi2_cconly): Likewise.
3052
3053 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3054
3055         PR target/28946
3056         * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3057         "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3058         "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3059         "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3060         "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3061         "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3062         "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3063         "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3064         "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3065         implement only CC setting effects of shift instructions.
3066
3067 2006-09-07  Martin Michlmayr  <tbm@cyrius.com>
3068
3069         * doc/contrib.texi: Add myself.
3070
3071 2006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>
3072
3073         PR middle-end/28862
3074         * stor-layout.c (relayout_decl): Don't zero the alignment if it
3075         was set by the user.
3076
3077 2006-09-07  Paolo Bonzini  <bonzini@gnu.org>
3078
3079         PR target/27117
3080         * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3081         (divsi_inv_m1): Use them.
3082         (UNSPEC_DIV_INV_TABLE): New constant.
3083
3084 2006-09-06  James E Wilson  <wilson@specifix.com>
3085
3086         PR rtl-opt/27883
3087         * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3088         then call count_or_remove_death_notes.
3089
3090 2006-09-06  Jason Merrill  <jason@redhat.com>
3091
3092         PR c++/27371
3093         * tree-inline.c (copy_result_decl_to_var): New fn.
3094         (declare_return_variable): Use it.  Call declare_inline_vars here.
3095         (expand_call_inline): Not here.
3096
3097 2006-09-06  Diego Novillo  <dnovillo@redhat.com>
3098
3099         * doc/contrib.texi: Update my entry.
3100
3101 2006-09-06  Nick Clifton  <nickc@redhat.com>
3102
3103         * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3104
3105 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
3106
3107         PR tree-opt/28937
3108         * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3109         (canonicalize_induction_variables): Likewise.
3110         (tree_unroll_loops_completely): Likewise.
3111         (tree_ssa_prefetch_arrays): Likewise.
3112         (remove_empty_loops): Likewise.
3113         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3114         TODO_cleanup_cfg instead of directly calling
3115         cleanup_tree_cfg_loop.
3116         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3117         Likewise.
3118         (tree_unroll_loops_completely): Likewise.
3119         (remove_empty_loops): Likewise.
3120         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3121         * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3122         of tree_ssa_unswitch_loops.
3123         (tree_ssa_loop_ivcanon): Use the return value of
3124         canonicalize_induction_variables.
3125         (tree_ssa_empty_loop): Use the return value of
3126         remove_empty_loops.
3127         (tree_complete_unroll): Use the return value of
3128         tree_unroll_loops_completely.
3129         (tree_ssa_loop_prefetch): Use the return value of
3130         tree_ssa_prefetch_arrays.
3131         * passes.c (execute_todo): Before Cleanup CFG, set
3132         updating_used_alone and after cleanup CFG, call
3133         recalculate_used_alone.
3134
3135 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
3136
3137         PR tree-opt/28952
3138         * tree-vect-transform.c (vectorizable_condition): Move the check
3139         for the type after the check for simple condition.
3140
3141 2006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
3142             Kaz Kojima  <kkojima@gcc.gnu.org>
3143
3144         PR target/28764
3145         * mode-switching.c (optimize_mode_switching): Make the destination
3146         block of an abnormal edge have no anticipatable mode.  Don't
3147         insert mode switching code at the end of the source block of
3148         an abnormal edge.
3149
3150 2006-09-05  Paolo Bonzini  <bonzini@gnu.org>
3151
3152         PR rtl-optimization/26847
3153         * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3154         (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3155         (simplify_plus_minus): Count n_constants while filling ops.  Replace
3156         qsort with insertion sort.  Before going through the array to simplify
3157         pairs, sort it.  Delay early exit until after the first sort, exiting
3158         only if no swaps occurred.  Simplify pairs in reversed order, without
3159         special-casing the first iteration.  Pack ops after simplifying pairs.
3160
3161 2006-09-05  Anatoly Sokolov <aesok@post.ru>
3162
3163         * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3164         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3165         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3166         (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3167
3168 2006-09-05  Richard Guenther  <rguenther@suse.de>
3169
3170         PR tree-optimization/28900
3171         * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3172         compound conditional before creating COND_EXPR condition.
3173
3174 2006-09-05  Richard Guenther  <rguenther@suse.de>
3175
3176         PR tree-optimization/28905
3177         * tree-vrp.c (fix_equivalence_set): Manually implement
3178         !value_ranges_intersect_p to also handle symbolic ranges.
3179
3180 2006-09-05  Richard Guenther  <rguenther@suse.de>
3181
3182         PR middle-end/28935
3183         * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3184         of a COND_EXPR.
3185
3186 2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3187
3188         PR rtl-optimization/27616
3189         * cse.c (table_size): New static variable.
3190         (new_basic_block): Initialize it to 0.
3191         (remove_from_table): Decrement it.
3192         (insert): Increment it.
3193         (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3194         (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
3195         fold_rtx_mem_1 if under the cap.
3196         (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3197         the lookup of the equivalent expression and test for equality of the
3198         first operand of the equivalent expression before in turn looking up
3199         an equivalent constant for the second operand.
3200
3201 2006-09-02  Geoffrey Keating  <geoffk@apple.com>
3202
3203         Revert this change:
3204         2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
3205         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3206         pointer, instead of assuming it is possible to derive the
3207         correct args size from a call insn.
3208
3209 2006-09-02  Jakub Jelinek  <jakub@redhat.com>
3210
3211         PR middle-end/27567
3212         * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3213         (fold_builtin_mempcpy): Rename to...
3214         (fold_builtin_memory_op): ... this.  Optimize one element copy
3215         into an assignment.
3216         (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3217         functions.
3218         (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3219         (expand_builtin_memcpy, expand_builtin_mempcpy,
3220         expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
3221         (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3222         BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
3223         BUILT_IN_MEM{CPY,PCPY,MOVE}.
3224
3225 2006-09-01  DJ Delorie  <dj@redhat.com>
3226
3227         * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3228         (stzx_16): Likewise.
3229         ("stzx_24_<mode>"): Likewise.
3230         ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3231         ("cmp<mode>_op"): New.
3232         (cmp<mode>): Change to expander; just save operands.
3233         (b<code>_op): New.
3234         (b<code>): Change to expander, emit compare here.
3235         (s<code>_op): Change to use split and expander.
3236         (s<code>_24_op): Likewise.
3237         (s<code>_<mode>): New.
3238         (s<code>_<mode>_24): New.
3239         (movqicc_<code>_<mode): New.
3240         (movhicc_<code>_<mode>): New.
3241         (s<code>): New.
3242         (s<code>_24): New.
3243         * config/m32c/m32c.c (compare_op0, compare_op1): New.
3244         (m32c_pend_compare): New.
3245         (m32c_unpend_compare): New.
3246         (m32c_expand_scc): New.
3247         (m32c_expand_movcc): Emit the compare also.
3248         * config/m32c/predicates.md (mra_nopp_operand): New.
3249
3250 2006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
3251         Richard Guenther  <rguenther@suse.de>
3252         Adam Nemet  <anemet@caviumnetworks.com>
3253
3254         PR middle-end/27226
3255         * builtins.c (get_pointer_alignment): Handle more forms
3256         of base addresses that can be used to derive more precise
3257         information about alignment.
3258
3259 2006-09-01  Jason Merrill  <jason@redhat.com>
3260
3261         PR c++/28899
3262         * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3263         want_value.
3264
3265         * gimplify.c (voidify_wrapper_expr): Handle null type.
3266
3267 2006-09-01  Josh Conner  <jconner@apple.com>
3268
3269         PR c++/25505
3270         * tree-nrv.c (dest_safe_for_nrv_p): New function.
3271         (execute_return_slot_opt): Use it.
3272
3273 2006-08-31  Josh Conner  <jconner@apple.com>
3274
3275         PR c++/25505
3276         * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3277         returning aggregates.
3278
3279 2006-08-31  Zdenek Dvorak <dvorakz@suse.cz>
3280
3281         PR tree-optimization/28839
3282         * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3283         blocks in that phi arguments appear.
3284
3285 2006-08-31  Roger Sayle  <roger@eyesopen.com>
3286
3287         PR other/22313
3288         * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3289         NULL, otherwise use an advance_loc4 to adjust relative to the
3290         current label.
3291         (output_cfi) <DW_CFA_set_loc>: Update the current label.
3292         (dwarf2out_switch_text_section): Reset the current label to avoid
3293         using advance_loc4 over section boundaries.
3294
3295 2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>
3296
3297         PR target/24367
3298         * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3299         r12 + SYMBOLIC_CONST.
3300
3301 2006-08-30  Richard Guenther  <rguenther@suse.de>
3302
3303         * Makefile.in (see.o): Add $(EXPR_H) dependency.
3304
3305 2006-08-30  Zdenek Dvorak <dvorakz@suse.cz>
3306
3307         PR rtl-optimization/27735
3308         * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3309         Add new argument to keep track of whether an irreducible region
3310         was affected.  All callers changed.
3311         (fix_irreducible_loops): Removed.
3312         (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3313         flags were invalidated.
3314
3315 2006-08-29  H.J. Lu  <hongjiu.lu@intel.com>
3316
3317         * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3318         instead of SF operands.
3319         (*fop_df_comm_sse): Likewise.
3320         (*fop_df_comm_i387): Likewise.
3321         (*fop_df_1_mixed): Likewise.
3322         (*fop_df_1_sse): Likewise.
3323
3324 2006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3325             J"orn Rennecke  <joern.rennecke@st.com>
3326
3327         PR tree-optimization/17506
3328         * tree-ssa.c (warn_uninit): If warning about a location outside of
3329         the current function, note where the variable was declared.
3330
3331 2006-08-28  Zdenek Dvorak <dvorakz@suse.cz>
3332
3333         PR tree-optimization/28411
3334         * double-int.c (double_int_div): Use double_int_divmod.
3335         (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3336         double_int_mod, double_int_smod, double_int_umod): New functions.
3337         * double-int.h (double_int_divmod, double_int_sdivmod,
3338         double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3339         Declare.
3340         * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3341         in double_int.
3342         (get_computation_aff, get_computation_cost_at): Handle double_int
3343         return type of constant_multiple_of.
3344
3345 2006-08-28  Kazu Hirata  <kazu@codesourcery.com>
3346
3347         PR middle-end/26632
3348         * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3349         an implicit conversion.
3350
3351 2006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>
3352
3353         * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3354
3355 2006-08-27  Roger Sayle  <roger@eyesopen.com>
3356
3357         * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3358         x87 instructions.
3359
3360 2006-08-27  Kazu Hirata  <kazu@codesourcery.com>
3361
3362         * config/i386/crtfastmath.c: Fix a comment typo.
3363
3364 2006-08-26  Roger Sayle  <roger@eyesopen.com>
3365
3366         * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3367         temporary visit flags on CASE_LABEL_EXPRs.
3368         * c-common.c (match_case_to_enum): Add function comment.  Avoid
3369         O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3370         (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
3371         CASE_HIGH_SEEN for enumerated types.  If the switch expression is
3372         a constant, only warn if that constant value isn't handled.
3373
3374 2006-08-26  Joseph S. Myers  <joseph@codesourcery.com>
3375
3376         PR c++/24009
3377         * input.h (restore_input_file_stack): Declare.
3378         (INPUT_FILE_STACK_BITS): Define.
3379         * toplev.c (fs_p, input_file_stack_history,
3380         input_file_stack_restored, restore_input_file_stack): New.
3381         (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3382         overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
3383         (pop_srcloc): Don't free old state of stack.
3384
3385 2006-08-26  David Edelsohn  <edelsohn@gnu.org>
3386
3387         PR target/27544
3388         * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3389         (PowerPC Type Attributes): New.
3390
3391 2006-08-26  Bob Wilson  <bob.wilson@acm.org>
3392
3393         * config/xtensa/xtensa.c (function_arg_boundary): New.
3394         (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3395         STACK_BOUNDARY.
3396         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3397         function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3398
3399 2006-08-26  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR middle-end/28683
3402         * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3403         3 following insns.
3404
3405 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3406
3407         * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3408         (verify_local_live_at_start): Likewise.
3409
3410 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
3411
3412         PR c/27893
3413         * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3414         omp_add_variable): Treat sizes as variable whenever not
3415         INTEGER_CST.
3416
3417 2006-08-26  Richard Guenther  <rguenther@suse.de>
3418
3419         PR middle-end/28814
3420         * fold-const.c (fold_binary): Fold temporary to correct
3421         type before constructing new comparison.
3422
3423 2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>
3424
3425         PR c/28418
3426         * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3427         variable again if DECL_SEEN_IN_BIND_EXPR_P.
3428
3429 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
3430
3431         PR c/28299
3432         * c-decl.c (start_function): Don't try to process prototype
3433         information from old declaration that isn't a function.
3434
3435 2006-08-25  Jan Hubicka  <jh@suse.cz>
3436
3437         PR target/28621
3438         * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3439
3440 2006-08-25  Alan Modra  <amodra@bigpond.net.au>
3441
3442         PR target/27075
3443         * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3444         for 8 byte objects.
3445
3446 2006-08-25  J"orn Rennecke  <joern.rennecke@st.com>
3447
3448         PR tree-optimization/16876
3449         * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3450         exit if PARM doesn't match VALUE.
3451
3452 2006-08-25  Bob Wilson  <bob.wilson@acm.org>
3453
3454         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3455         literal_prefix directive.
3456         (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3457         * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3458         * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3459
3460 2006-08-25  David Edelsohn  <edelsohn@gnu.org>
3461
3462         PR target/28753
3463         * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3464         predicate to general_operand.  Add 0->y and I->r alternatives.
3465
3466 2006-08-25  Kazu Hirata  <kazu@codesourcery.com>
3467
3468         * doc/tm.texi: Fix a typo.
3469         * predict.c: Fix comment typos.
3470
3471 2006-08-25  Nick Clifton  <nickc@redhat.com>
3472
3473         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3474         assertions of "cpu" and "machine".
3475
3476 2006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>
3477
3478         PR tree-opt/28807
3479         * tree-ssa-operands.c (access_can_touch_variable): Don't say
3480         the access through a base which has an alias set of 0 cannot
3481         touch the variable.
3482
3483 2006-08-24  Bill Wendling  <wendling@apple.com>
3484
3485         * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3486
3487 2006-08-24  Jan Hubicka  <jh@suse.cz>
3488
3489         * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3490
3491 2006-08-24  Jan Hubicka  <jh@suse.cz>
3492
3493         PR debug/26881
3494         * cgraph.c: Fix comments.
3495         (cgraph_varpool_mark_needed_node): Mark only variables not already
3496         output to file.
3497         * cgraphunit.c: Update comments; include gt-cgraphunit.h
3498         (cgraph_varpool_assembled_nodes_queue): New static variable.
3499         (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3500         (cgraph_varpool_output_debug_info): New function.
3501         (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3502         * Makefile.in: Add gt-cgraphunit.h
3503
3504 2006-08-24  Jan Hubicka  <jh@suse.cz>
3505
3506         * predict.c (probability_reliable_p): New predicate.
3507         (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3508         (predict_loops): Do not predict loop exit with less than 2%
3509         probability.
3510         * basic-block.h (edge_probability_reliable_p,
3511         br_prob_note_reliable_p): Declare.
3512         * ia64.h (ia64_print_operand): Do not disable on-chip branch
3513         prediction when static predictor is not reliable.
3514         * rs6000.c (output_cbranch): Likewise.
3515
3516 2006-08-23  Stuart Hastings  <stuart@apple.com>
3517
3518         PR 28825
3519         * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3520         ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3521
3522 2006-08-21  Geoffrey Keating  <geoffk@apple.com>
3523
3524         PR debug/28692
3525         * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3526         complex values, nor for generic vector values.
3527
3528 2006-08-22  Richard Guenther  <rguenther@suse.de>
3529
3530         PR middle-end/28776
3531         * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3532         parameter.  Convert arguments to arithmetic expression to the
3533         chrecs type.
3534         (analyze_scalar_evolution_1): Adjust caller.
3535
3536 2006-08-22  Jan Hubicka  <jh@suse.cz>
3537
3538         Patch by Paolo Bonzini
3539         * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3540         my previous patch.
3541
3542 2006-08-22  Daniel Berlin  <dberlin@dberlin.org>
3543
3544         PR tree-optimization/28003
3545         * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3546         before grouping aliases.
3547
3548 2006-08-22  Roger Sayle  <roger@eyesopen.com>
3549
3550         * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3551         if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3552
3553 2006-08-21  Jason Merrill  <jason@redhat.com>
3554
3555         PR c++/27115
3556         * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3557         wrapper.  Loop to handle nested wrappers.
3558         (gimplify_bind_expr): Remove temp parameter.
3559         (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3560         and STATEMENT_LIST on the rhs.
3561         (gimplify_statement_list): Voidify the STATEMENT_LIST.
3562         (gimplify_expr): Pass pre_p to gimplify_statement_list.
3563         (gimplify_target_expr): Remove special BIND_EXPR handling.
3564
3565 2006-08-21  J"orn Rennecke  <joern.rennecke@st.com>
3566
3567         * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3568         #if !__SHMEDIA__ .
3569
3570 2006-08-21  Olivier Hainque  <hainque@adacore.com>
3571
3572         * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3573         Arrange for the temporary captures of components overlapping the lhs
3574         to happen before the lhs is possibly cleared.
3575
3576 2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>
3577
3578         * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3579         necessary places to pass the correct "number of registers" values
3580         to _Unwind_VRS_Pop.
3581
3582 2006-08-20  Jan Hubicka  <jh@suse.cz>
3583
3584         * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3585         (create_name_tags): Instead of quadratic checking use hashtable.
3586         * bitmap.h: Include hashtab.h.
3587         (bitmap_hash): Declare.
3588         * bitmap.c (bitmap_hash): New function.
3589
3590 2006-08-20  Jan Hubicka  <jh@suse.cz>
3591
3592         PR rtl-optimization/28071
3593         * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3594         twice.
3595         * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3596         * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3597         (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3598         cgraph_decide_inlining_incrementally): Update use of
3599         cgraph_check_inline_limits.
3600         * cgraph.c (edge_hash, edge_eq): New function.
3601         (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3602         cgraph_edge_remove_caller, cgraph_node_remove_callees,
3603         cgraph_remove_node): Maintain call site hash.
3604         * cgraph.h (struct cgraph_node): Add call_site_hash.
3605         (cgraph_set_call_stmt): New function.
3606
3607 2006-08-20  Jan Hubicka  <jh@suse.cz>
3608
3609         PR rtl-optimization/28071
3610         * reload1.c (reg_has_output_reload): Turn into regset.
3611         (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3612         choose_reload_regs, emit_reload_insns): Update to new
3613         reg_has_output_reload.
3614
3615 2006-08-20  Jan Hubicka  <jh@suse.cz>
3616
3617         PR middle-end/28779
3618         * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3619         function body sizes.
3620         * cgraphunit.c (cgraph_analyze_function): Don't do so.
3621
3622 2006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3623
3624         PR target/28648 c:
3625         * tree.c (handle_dll_attribute): Return early if not a
3626         var or function decl.
3627
3628 2006-08-18  Joseph Myers  <joseph@codesourcery.com>
3629
3630         PR target/27565
3631         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3632         alignment of SPE vector types.
3633
3634 2006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
3635
3636         * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3637
3638 2006-08-17  Jakub Jelinek  <jakub@redhat.com>
3639
3640         PR c/28744
3641         * cgraph.h (struct cgraph_node): Remove externally_visible
3642         bitfield.
3643         * cgraphunit.c (process_function_and_variable_attributes): Set
3644         local.externally_visible rather than externally_visible.
3645
3646         PR c/28744
3647         * c-common.c (handle_externally_visible_attribute): First look
3648         at TREE_CODE and only if it is function or var decl, check for
3649         non-public objects.  Don't warn for DECL_EXTERNAL.
3650         * cgraphunit.c (process_function_and_variable_attributes): Warn
3651         if externally_visible attribute is used on non-public object.
3652
3653 2006-08-17  Jan Hubicka  <jh@suse.cz>
3654
3655         PR tree-optimization/27865
3656         * reload1.c (forget_marked_reloads): New function.
3657         (forget_old_reloads_1): When data are passed, just mark the registers
3658         for later removal.
3659         (reload_as_needed): Use the new mechanizm.
3660
3661 2006-08-17  Alexandre Oliva  <aoliva@redhat.com>
3662
3663         PR target/28146
3664         * reload.h (reg_equiv_alt_mem_list): New declaration.
3665         * reload1.c (reg_equiv_alt_mem_list): New definition.
3666         (reload): Initialize it and release it.
3667         (delete_output_reload): Use it.
3668         * reload.c (push_reg_equiv_alt_mem): New function.
3669         (find_reloads_toplev): Call it.
3670         (find_reloads_address, find_reloads_address_1): Likewise.
3671         (find_reloads_subreg_address): Likewise.
3672
3673 2006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3674
3675         PR rtl-optimization/28489
3676         * sched-ebb.c (begin_schedule_ready): Create basic block
3677         at the right place.
3678         (advance_target_bb): Skip empty blocks.
3679         * haifa-sched.c (bb_note): Make global.
3680         * sched-int.h (bb_note): Add prototype.
3681
3682 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3683
3684         PR tree-optimization/27865
3685         * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3686         for pointer types.
3687         * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3688         fold_used_pointer, pointer_used_p): New functions.
3689         (analyze_scalar_evolution_1): Use fold_used_pointer.
3690         * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3691         * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3692         for pointers.
3693
3694 2006-08-17  Paolo Bonzini <bonzini@gnu.org>
3695
3696         PR c++/28573
3697         * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3698         or the INTEGER_CST.  Fail on a CALL_EXPR.
3699         (fold_offsetof): Pass new argument to fold_offsetof_1.
3700         * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3701         operand into an INDIRECT_REF.
3702         * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3703
3704 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3705
3706         PR gcov/profile/26570
3707         * value-prof.c (static_values): Removed.
3708         (tree_find_values_to_profile): Do not set static_values.
3709         (find_values_to_profile): Do not free static_values.
3710         * profile.c (instrument_values): Do not free the values.
3711         (branch_prob): Free the values.
3712
3713 2006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>
3714
3715         * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3716
3717 2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>
3718
3719         PR c/27697
3720         * c-typeck.c (build_component_ref): Combine qualifiers of
3721         structure or union and field.
3722
3723 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3724
3725         PR rtl-optimization/28071
3726         * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3727         * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3728         * tree-into-ssa.c (struct dom_dfsnum): New.
3729         (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3730         functions.
3731         (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3732         compute_global_livein.
3733         (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3734         in phi nodes in the correct blocks.
3735
3736 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3737
3738         PR tree-optimization/28364
3739         * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3740         correctly.
3741         (fold_affine_expr): New function.
3742         (may_eliminate_iv): Use fold_affine_expr.
3743
3744 2006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3745
3746         PR c/27489
3747         * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3748         Clean up.
3749
3750 2006-08-16  Mike Stump  <mrs@apple.com>
3751
3752         * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3753         * doc/cppopts.texi (-MD): Likewise.
3754
3755 2006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>
3756
3757         PR c/28287
3758         * c-common.c (handle_weak_attribute): Ignore and warn if
3759         not a FUNCTION_ or VAR_DECL.
3760
3761 2006-07-15  Mike Stump  <mrs@apple.com>
3762
3763         PR c/28280
3764         * c-parser.c (c_parser_typeof_specifier): Don't use
3765         c_finish_expr_stmt, open code desired semantics instead.
3766
3767 2006-08-15  Nick Clifton  <nickc@redhat.com>
3768
3769         * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3770         fragment to tmake_file only if threads are enabled.
3771         * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3772         * config/i386/t-gthr-win32: New file. ... here.
3773
3774 2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3775
3776         PR c/28649
3777         * c-parser.c (c_parser_compound_statement_nostart): Reset
3778         parser->error after each statement.
3779
3780 2006-08-15  Jakub Jelinek  <jakub@redhat.com>
3781
3782         PR middle-end/28713
3783         * omp-low.c (lower_omp_parallel): Convert t to
3784         receiver_decl's type.
3785         (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3786         source before comparison.
3787
3788         PR middle-end/28724
3789         * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3790         to itype in assignment to oldival2.
3791
3792 2006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>
3793
3794         PR c/27490
3795         PR c/27489
3796         * c-typeck.c (build_compound_expr): If the second expression
3797         is an error mark, then just return an error mark instead of
3798         creating a COMPOUND_EXPR.
3799
3800 2006-07-14  Mike Stump  <mrs@apple.com>
3801
3802         * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3803
3804 2006-08-14  Kazu Hirata  <kazu@codesourcery.com>
3805
3806         * c-decl.c, var-tracking.c: Fix comment typos.
3807
3808 2006-08-14  Richard Sandiford  <richard@codesourcery.com>
3809
3810         PR rtl-optimization/28634
3811         * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3812         for floating-point modes unless flag_unsafe_math_optimizations.
3813
3814 2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
3815             Andrew Pinski  <pinskia@physics.uc.edu>
3816
3817         PR c/27184
3818         * tree.c (build_array_type): Unify array types with
3819         unspecified index_type.
3820         * c-decl.c (grokdeclarator): Make sure we do not modify a
3821         unified incomplete array type.
3822         * c-typeck.c (store_init_value): Create distinct type before
3823         filling in the index type in an initializer from a compound
3824         literal.
3825
3826         * c-decl.c (grokdeclarator): Remove code where we copy the
3827         array type over.
3828
3829 2006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>
3830
3831         * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3832         into account for TODO_dump_cgraph.
3833         (TODO_update_ssa_no_phi): Likewise.
3834         (TODO_update_ssa_full_phi): Likewise.
3835         (TODO_update_ssa_only_virtuals): Likewise.
3836         (TODO_remove_unused_locals): Likewise.
3837         (TODO_set_props): Likewise.
3838         (TODO_update_stmt_usage): Likewise.
3839
3840 2006-08-13  Dirk Mueller  <dmueller@suse.de>
3841
3842         * c-common.c (strict_aliasing_warning): Fix formatting.
3843
3844 2006-08-13  Matthias Klose  <doko@debian.org>
3845
3846         * doc/invoke.texi: Fix spelling errors.
3847
3848 2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3849
3850         PR rtl-optimization/23454
3851         * reorg.c (relax_delay_slots): Update comment.
3852
3853 2006-08-11  Richard Guenther  <rguenther@suse.de>
3854
3855         PR middle-end/28651
3856         * simplify-rtx.c (simplify_const_relational_operation):
3857         Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3858         codes.
3859
3860 2006-08-10  Eric Botcazou  <ebotcazou@adacore.com>
3861
3862         * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3863         TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3864
3865 2006-08-10  Paul Brook  <paul@codesourcery.com>
3866
3867         * final.c (final_scan_insn): Clear current_insn_predicate before
3868         outputting inline asm.
3869
3870 2006-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3871
3872         PR tree-optimization/26197
3873         * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3874         get_ref_base_and_extent and overlap_subvar to add only relevant
3875         subvars as may-aliases.
3876         (add_may_alias_for_new_tag): New function, factored out of
3877         new_type_alias.
3878         * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3879         with additional argument.
3880         * tree-flow.h (new_type_alias): Takes additional argument.
3881
3882 2006-08-09  Nathan Sidwell  <nathan@codesourcery.com>
3883
3884         * gcov.c (no_data_file): New flag.
3885         (read_count_file): Set it if data file not present.  Assume counts
3886         zero if not found.
3887         (output_lines): Don't name the data file, if there wasn't one.
3888
3889 2006-08-09  Eric Botcazou  <ebotcazou@adacore.com>
3890
3891         * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3892         (rs6000_generate_compare): Tweak comments.
3893         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3894
3895 2006-08-09  Alexandre Oliva  <aoliva@redhat.com>
3896
3897         * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3898         (var_debug_decl): New function.
3899         (var_reg_set): Follow debug decl link.  Add location even if
3900         reg is already known to hold some other variable.
3901         (var_mem_set): Follow debug decl link.
3902         (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3903         decl link.  Delete other known locations of the variable part
3904         if requested.
3905         (var_reg_delete, var_mem_delete): Delete other known locations
3906         of the variable part if requested.
3907         (same_variable_part_p): New function.
3908         (add_stores): Select MO_COPY when appropriate.
3909         (vt_initialize): Handle it.
3910         (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
3911         known locations for MO_SET and MO_CLOBBER.
3912         (find_variable_location_part): New function.
3913         (set_variable_part, delete_variable_part): Use it.
3914         (clobber_variable_part): New function.
3915         * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3916         decl link.
3917
3918 2006-08-07  Victor Kaplansky <victork@il.ibm.com>
3919
3920         PR tree-optimization/26969
3921         * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3922         with an empty list of PHIs.
3923
3924 2006-08-06  Paolo Bonzini  <bonzini@gnu.org>
3925
3926         PR target/27827
3927
3928         * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3929         instructions.
3930
3931 2006-08-06  Andreas Schwab  <schwab@suse.de>
3932
3933         * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3934         string.  Whitespace and comment fixup.
3935
3936 2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3937
3938         PR c/28502
3939         * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3940         argument.
3941
3942         PR c/27721
3943         * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3944
3945         PR c/28136
3946         * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3947
3948 2006-08-04  Jan Hubicka  <jh@suse.cz>
3949
3950         PR target/26655
3951         PR target/28270
3952         * reload.c (push_reload): Patch out the mismatching instruction;
3953         return early.
3954         (find_reload): Bail out if the instruction was patched out.
3955
3956 2006-08-04  Jan Hubicka  <jh@suse.cz>
3957
3958         PR tree-optimization/24888
3959         * tree-inline.c (expand_call_inline): Do not re-record variables.
3960         (declare_inline_vars): Add variable to unexpanded_var_list.
3961
3962 2006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3963             Roger Sayle  <roger@eyesopen.com>
3964
3965         PR rtl-optimization/26244
3966         * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3967         inner_const are negative or greater than or equal to the bitsize of
3968         MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3969         Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3970         Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
3971         CONST0_RTX (mode) when the new shift count is greater than or equal to
3972         to the bitsize of the object being shifted and XEXP (y, 0) has no side
3973         effects.
3974
3975 2006-08-04  Kazu Hirata  <kazu@codesourcery.com>
3976
3977         * tree-cfg.c: Fix a comment typo.
3978
3979 2006-08-03  Mark Mitchell  <mark@codesourcery.com>
3980
3981         PR c++/28148
3982         * varasm.c (output_constant): Give the front end another chance to
3983         expand constants, after stripping NOPs.
3984
3985 2006-08-03  Jan Hubicka  <jh@suse.cz>
3986
3987         * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3988         implementation.
3989
3990 2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
3991
3992         PR tree-optimization/27770
3993         * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3994         declaration removed (moved to tree-flow.h).
3995         (vect_can_force_dr_alignment_p): Likewise.
3996         * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3997         (moved from tree-vectorizer.h).
3998         (vect_can_force_dr_alignment_p): Likewise.
3999         * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4000         from outside the vectorizer - in particular from cgraph stage.
4001         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4002         the alignment of global arrays when -fsection-anchors is enabled.
4003         * cgraphunit.c (cgraph_increase_alignment): New function.
4004         (cgraph_optimize): Call cgraph_increase_alignment.
4005
4006 2006-08-03  David Edelsohn  <edelsohn@gnu.org>
4007
4008         PR target/27566
4009         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4010         not reload a SPE symbol_ref into a lo_sum address.
4011
4012 2006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>
4013
4014         PR debug/28063
4015         * dwarf2out.c (prune_unused_types_prune): Move call to
4016         prune_unused_types_update_strings to cover the parent DIE also.
4017
4018 2006-08-02  Jan Hubicka  <jh@suse.cz>
4019
4020         PR gcov/profile/28480
4021         * tree-cfg.c (change_bb_for_stmt): New function.
4022         (tree_merge_blocks, tree_split_blocks): Use it.
4023
4024 2006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4025
4026         PR c++/28250
4027         PR c++/28257
4028         PR c++/28259
4029         PR c++/28267
4030         * toplev.c (compile_file): Return early on errorcount or sorrycount.
4031         * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4032         (cgraph_optimize): Likewise.
4033
4034 2006-08-01  Stuart Hastings  <stuart@apple.com>
4035
4036         * rtl.h (UINTVAL) New.
4037         * config/rs6000/rs6000.c (SMALL_INT) Use it.
4038         * testsuite/gcc.dg/20060801-1.c: New.
4039
4040 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
4041
4042         PR debug/23336
4043         * c-typeck.c (build_external_type): Mark used enum types.
4044         * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4045         cfun also.
4046         (gen_subprogram_die): Whitespace fix.
4047
4048 2006-08-01  Jan Hubicka  <jh@suse.cz>
4049
4050         * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4051         bitmap when not needed.
4052         * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4053         bitmaps.
4054
4055 2006-08-01  Dirk Mueller  <dmueller@suse.de>
4056
4057         * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4058
4059 2006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4060
4061         * Makefile.in: Revert part of previous patch:
4062         Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4063         and REGS_H.
4064
4065 2006-07-30  Eric Christopher  <echristo@apple.com>
4066
4067         PR target/27543
4068         * doc/extend.texi (i386 Variable Attributes): Add anchor.
4069         (PowerPC Variable Attributes): New section.
4070
4071 2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
4072
4073         PR target/28126 (partial fix)
4074         * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4075
4076 2006-07-28  Jan Hubicka  <jh@suse.cz>
4077
4078         PR rtl-optimization/28071
4079         * cfgrtl.c (rtl_delete_block): Free regsets.
4080         * flow.c (allocate_bb_life_data): Re-use regsets if available.
4081
4082 2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4083
4084         * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4085         and variables used in dependencies.
4086
4087 2006-07-27  Arjan van de Ven <arjan@linux.intel.com>
4088
4089         * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4090         %fs for -mcmodel=kernel.
4091         (stack_tls_protect_test_di): Likewise.
4092
4093 2006-07-27  Carlos O'Donell  <carlos@codesourcery.com>
4094
4095         * Makefile.in: Use mkinstalldirs.
4096
4097 2006-07-27  H.J. Lu  <hongjiu.lu@intel.com>
4098
4099         PR driver/28437
4100         * opts-common.c (prune_options): Skip joined switches.
4101
4102 2006-07-27  Jan Hubicka  <jh@suse.cz>
4103
4104         PR rtl-optimization/28071
4105         * cselib.c (cselib_process_insn): Don't remove useless values too
4106         often for very large hashtables.
4107
4108 2006-07-27  Jan Hubicka  <jh@suse.cz>
4109
4110         PR rtl-optimization/28071
4111         * global.c (greg_obstack): New obstack.
4112         (allocate_bb_info): Use it.
4113         (free_bb_info): Likewise.
4114         (modify_reg_pav): Likewise.
4115
4116 2006-07-27  Roger Sayle  <roger@eyesopen.com>
4117
4118         * builtins.c (fold_fixed_mathfn): When long and long long are the
4119         same size, canonicalize llceil*, llfloor*, llround* and llrint*
4120         functions to their lceil*, lfloor*, lround* and lrint* forms.
4121
4122 2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4123
4124         PR gcc/28508
4125         * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4126         branch.
4127         (rev_branch_insn): Likewise.
4128
4129 2006-07-27  Jan Hubicka  <jh@suse.cz>
4130
4131         PR rtl-optimization/28071
4132         * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4133         (reg_set_in_bb, max_reg_computed): New static variables.
4134         (regmove_optimize): Free the new array.
4135         (fixup_match_1): Update call of reg_is_remote_constant_p.
4136
4137 2006-07-26  Jan Hubicka  <jh@suse.cz>
4138
4139         PR tree-optimization/27882
4140         * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4141         and decl fields.
4142         * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4143         next pointer
4144         (cgraph_analyze_compilation_unit): Likewise.
4145         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4146         * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4147         (cgraph_early_inlinine): Make order garbage collected.
4148         * Makefile.in (gt-ipa-inline): New garbagecollected file.
4149
4150 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
4151
4152         * dbxout.c (output_types_sort): Add a comment.
4153         (output_used_types): Free the VEC.
4154
4155 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
4156
4157         * function.c (reorder_fix_fragments): Delete.
4158         (reorder_blocks): Don't call it.
4159         (reorder_blocks_1): Put all subblocks under the origin block.
4160
4161 2006-07-26  Zdenek Dvorak <dvorakz@suse.cz>
4162
4163         PR rtl-optimization/27907
4164         * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4165         FLOAT_TRUNCATE.
4166
4167 2006-07-25  Roger Sayle  <roger@eyesopen.com>
4168
4169         PR middle-end/28473
4170         * convert.c (convert_to_integer): When transforming (T)foo(x) into
4171         bar(x) check that bar's result type can represent all the values of T.
4172
4173 2006-07-25  Zdenek Dvorak <dvorakz@suse.cz>
4174
4175         * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4176
4177 2006-07-25  Nick Clifton  <nickc@redhat.com>
4178
4179         * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4180         size_lookup[] array.
4181         (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4182         (ggc_pch_count_object): Likewise.
4183         (ggc_pch_alloc_object): Likewise.
4184         (ggc_pch_write_object): Likewise.
4185         (init_ggc): Do not attempt to initialize entries in the
4186         size_lookup[] array for objects whose size is greater than than
4187         the length of the array.
4188
4189 2006-07-25  Daniel Jacobowitz  <dan@codesourcery.com>
4190
4191         * dbxout.c (output_used_types_helper): Push queued types
4192         on a VEC.
4193         (output_types_sort): New.
4194         (output_used_types): Collect used types on a VEC and sort them
4195         before emission.
4196
4197 2006-07-24  Richard Guenther  <rguenther@suse.de>
4198
4199         PR middle-end/28463
4200         * cgraph.c (cgraph_remove_node): Do not check if dumps
4201         are enabled.
4202         * cgraphunit.c (cgraph_optimize): Likewise.
4203
4204 2006-07-24  Jan Hubicka  <jh@suse.cz>
4205
4206         PR rtl-optimization/28071
4207         * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4208         * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4209         splitting before first stmt.
4210
4211 2006-07-24  Jan Hubicka  <jh@suse.cz>
4212
4213         PR rtl-optimization/28071
4214         * ipa-inline.c (update_caller_keys): Remove edges that
4215         are no longer inline candidates.
4216
4217 2006-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
4218
4219         PR debug/27473
4220         * dbxout.c (output_used_types_helper, output_used_types): New.
4221         (dbxout_symbol): Call output_used_types.
4222
4223 2006-07-23  Jan Hubicka  <jh@suse.cz>
4224
4225         PR c/25795
4226         PR c++/27369
4227         * cgraph.c (cgraph_varpool_nodes): Export.
4228         (decide_is_variable_needed): Ignored "used" attribute in
4229         unit-at-a-time mode.
4230         * cgraph.h (cgraph_varpool_nodes): Declare.
4231         * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4232         unit-at-a-time mode.
4233
4234 2006-07-23  Roger Sayle  <roger@eyesopen.com>
4235
4236         PR target/28247
4237         * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4238         mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
4239         the __gthrw form of thr_keycreate.
4240         (__gthread_key_delete): Silence the unused argument warning.
4241
4242 2006-07-23  Steven Bosscher  <steven@gcc.gnu.org>
4243
4244         PR debug/25468
4245         * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4246         Cache the last found '\0' marker to avoid quadratic behavior.
4247
4248 2006-07-23  Jan Hubicka  <jh@suse.cz>
4249
4250         * i386.md (subsi_3_zext): Fix output template.
4251
4252 2006-07-21  Mike Stump  <mrs@apple.com>
4253
4254         * doc/invoke.texi (C++ Dialect Options): Note that
4255         -fvisibility-inlines-hidden doesn't affect explicitly
4256         instantiationed inline methods.
4257
4258 2006-07-20  Roger Sayle  <roger@eyesopen.com>
4259
4260         * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4261         if the target assembler is GNU binutils' gas.
4262         * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4263         whether to pass GNU gas or native as command line options.
4264
4265 2006-07-20  Jason Merrill  <jason@redhat.com>
4266
4267         * tree.c (remove_attribute): New fn.
4268         * tree.h: Declare it.
4269
4270 2006-07-20  Paul Brook  <paul@codesourcery.com>
4271
4272         PR 27363
4273         * cse.c (cse_insn): Add destination addresses to hash table. Check if
4274         they are invalidated by this instruction.
4275
4276 2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
4277
4278         PR target/28427
4279         * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4280
4281 2006-07-20  Eric Christopher  <echristo@apple.com>
4282
4283         PR target/26877
4284         * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4285
4286 2006-07-19  Eric Christopher  <echristo@apple.com>
4287
4288         * config/t-slibgcc-darwin (stmp-lipo): Remove.
4289         Rewrite dependencies for libgcc_s.1.dylib.
4290
4291 2006-07-19  Jakub Jelinek  <jakub@redhat.com>
4292
4293         * except.c (duplicate_eh_regions_1): Clear next_peer.
4294
4295 2006-07-17  Nathan Sidwell  <nathan@codesourcery.com>
4296
4297         * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4298         -mlongcall does not guarantee all calls will be long.
4299         * doc/extend.texi (long_call/short_call): Document that longcall
4300         does not guarantee a long call will be used.
4301         (longcall/shortcall): Likewise.
4302
4303 2006-07-18  Roger Sayle  <roger@eyesopen.com>
4304
4305         PR middle-end/28283
4306         * expmed.c (expand_shift): Additionally check that the shift_cost
4307         is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4308         before implementing a LSHIFT_EXPR as a sequence of additions.
4309         * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4310         middle-end that DImode shifts need to be synthesized by expand.
4311
4312 2006-07-18  Diego Novillo  <dnovillo@redhat.com>
4313
4314         PR 28410
4315         * tree-ssa-operands.c (access_can_touch_variable): Update
4316         comment.
4317         Return true if ALIAS is .GLOBAL_VAR.
4318
4319 2006-07-18  David Daney  <ddaney@avtrex.com>
4320
4321         * gcc.c (display_help): Fix typo in help text.
4322
4323 2006-07-18  Olivier Hainque  <hainque@adacore.com>
4324
4325         * tree.h (categorize_ctor_elements): Adjust prototype and add
4326         descriptive comment, both in accordance with the interface change
4327         described below.
4328         * varasm.c (constructor_static_from_elts_p): New function.
4329         Whether a constructor node is a valid static constant initializer
4330         if all its elements are.
4331         (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4332         * output.h: Declare it.
4333         * expr.c (categorize_ctor_elements_1): Return whether the constructor
4334         is a valid constant initializer instead of computing the number of
4335         non-constant elements.  Use constructor_static_from_elts_p for this
4336         purpose.  Replace the head comment with an indication that this is a
4337         helper for categorize_ctor_elements.
4338         (categorize_ctor_elements): Same interface change as for the _1
4339         helper.  Former head comment from this helper moved here, adjusted to
4340         account for the interface changes.
4341         (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4342         (all_zeros_p): Likewise.
4343         * gimplify.c (gimplify_init_constructor): Decide whether we can make
4344         static versions of the constructor from the categorize_ctor_elements
4345         return value instead of the formerly computed number of non-constant
4346         elements.
4347
4348 2006-07-18  Paolo Bonzini  <bonzini@gnu.org>
4349
4350         * configure: Regenerate.
4351         * Makefile.in (build_libsubdir): New configure substitution
4352         (build_libobjdir): New variable.
4353         (BUILD_LIBIBERTY): Use it.
4354
4355 2006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4356
4357         PR c/28286
4358         * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4359
4360 2006-07-18  Alexandre Oliva  <aoliva@redhat.com>
4361
4362         PR c/26993
4363         * c-common.c (handle_weakref_attribute): Ignore attribute in
4364         the same conditions the alias attribute is ignored.
4365
4366 2006-07-17  Carlos O'Donell  <carlos@codesourcery.com>
4367
4368         * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4369         (dbxout_begin_prologue): Increment scope_labelno.
4370
4371 2006-07-17  Richard Henderson  <rth@redhat.com>
4372
4373         PR 27889
4374         * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4375         if needed.
4376
4377 2006-07-17  Roger Sayle  <roger@eyesopen.com>
4378             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4379
4380         * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4381         synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
4382         blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
4383         functions such as sbrk, write, etc..  Add function prototypes.
4384         Convert function declarations from K&R to ISO C.  Cast pointers
4385         to "long" and "unsigned long" instead of "int" and "unsigned int".
4386         Convert tokens following #endif into comments.
4387
4388 2006-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4389
4390         * invoke.texi: Remove mention of f77; Reformat table for
4391         inline parameter options correctly; mention that -malign-double
4392         is default on x86-64 targets.
4393
4394 2006-07-17  Zdenek Dvorak <dvorakz@suse.cz>
4395
4396         * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4397         (convert_affine_scev, chrec_convert_aggressive): Use
4398         avoid_arithmetics_in_type_p.  Do not check for the subtypes
4399         separately.
4400
4401 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
4402
4403         PR middle-end/28403
4404         * optabs.c (expand_doubleword_shift): Wrap the call to
4405         do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4406
4407 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
4408
4409         PR middle-end/28402
4410         * optabs.c (expand_binop): Pass next_methods rather than methods
4411         to expand_doubleword_shift.
4412
4413 2006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
4414
4415         PR other/28251
4416         * tree.h (dump_addr): Declare.
4417         * print-tree.c (dump_addr): New function.
4418         (print_node_brief, print_node): Use it.
4419         * print-rtl.c (print_rtx): Likewise.
4420         * common.opt (-fdump-noaddr): New option.
4421         * doc/invoke.texi (-fdump-noaddr): Document.
4422         * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4423         (ve_info_hash): Likewise.
4424
4425 2006-07-13  Andrew Haley  <aph@redhat.com>
4426
4427         PR tree-optimization/19505
4428         * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4429         edge leaving this block, make sure that the destination of this
4430         block has only one predecessor.
4431
4432 2006-07-17  Richard Guenther  <rguenther@suse.de>
4433
4434         PR tree-optimization/28238
4435         * tree-inline.c (copy_bb): Check if we produced valid
4436         gimple copying and substituting a stmt.  If not, gimplify
4437         it.
4438
4439 2006-07-16  Eric Botcazou  <ebotcazou@adacore.com>
4440
4441         * optabs.c (maybe_encapsulate_block): New function extracted from...
4442         (emit_libcall_block): ...here.  Invoke it on the block of insns to
4443         maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4444         (emit_no_conflict_block): Likewise.
4445
4446 2006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4447
4448         * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4449
4450 2006-07-15  Roger Sayle  <roger@eyesopen.com>
4451
4452         * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4453         a new NOP_EXPR case of the switch statement.
4454
4455 2006-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4456
4457         PR middle-end/28160
4458         * stor-layout.c (place_field): Take the bit field with
4459         an excessive size into account in the ms-bitfiled case.
4460
4461         PR middle-end/28161
4462         * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4463         the previous bit field.
4464
4465 2006-07-14  Eliot Dresselhaus  <eliot@sonic.net>
4466
4467         PR target/27287
4468         * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4469
4470 2006-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4471
4472         * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4473         signal frames correctly even when the signal was installed with
4474         sa_restorer set.
4475
4476 2006-07-14  Carlos O'Donell  <carlos@codesourcery.com>
4477
4478         * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4479         (dbxout_function_end): Use local label LFBB. Remove hook
4480         DBX_OUTPUT_NFUN.
4481         (dbxout_source_line): Use local label LFBB.
4482         (dbxout_block): Likewise.
4483         (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4484         (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4485         * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4486         and DBX_OUTPUT_NFUN.
4487
4488 2006-07-13  Janis Johnson  <janis187@us.ibm.com>
4489
4490         * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4491
4492 2006-07-13  Jan Hubicka  <jh@suse.cz>
4493
4494         * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4495         align_variable.
4496         * output.h (align_variable): Declare.
4497         * varasm.c (align_variable): Export.
4498         * value-prof.c (tree_value_profile_transformations): Recompute iterator
4499         when basic block changed.
4500
4501 2006-07-13  Nick Clifton  <nickc@redhat.com>
4502
4503         * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4504         walking the LOG_LINKS chain.
4505
4506 2006-07-12  Geoffrey Keating  <geoffk@apple.com>
4507
4508         * doc/invoke.texi (C++ Dialect Options): Explain difference
4509         between -fvisibility-inlines-hidden and setting hidden
4510         visibility explicitly.
4511
4512 2006-07-12  Eric Christopher  <echristo@apple.com>
4513
4514         * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4515         (stmp-lipo): Depend on libgcc.a.
4516
4517 2006-07-12  Kazu Hirata  <kazu@codesourcery.com>
4518
4519         * tree.c: Fix a comment typo.
4520
4521 2006-07-12  Naveen.H.S  <naveenh@kpitcummins.com>
4522
4523         * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4524         dest.
4525         (umulhisi3_r): Likewise.
4526
4527 2006-07-12  Paolo Carlini  <pcarlini@suse.de>
4528
4529         PR libstdc++/27878
4530         * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4531         x < 19, vs wchar_t support.
4532
4533 2006-07-12  Nick Clifton  <nickc@redhat.com>
4534
4535         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4536         instead of -isa=sh4.
4537
4538 2006-07-12  Mike Stump  <mrs@apple.com>
4539
4540         * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4541
4542 2006-07-10  Eric Christopher  <echristo@apple.com>
4543
4544         * config/t-slibgcc-darwin: Rewrite.
4545
4546 2006-07-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4547
4548         PR bootstrap/20437
4549         * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4550         dependencies.
4551
4552 2006-07-08  Matthias Klose  <doko@debian.org>
4553
4554         * doc/sourcebuild.texi: Fix typo.
4555
4556 2006-07-07  Mike Stump  <mrs@apple.com>
4557
4558         * toplev.c (process_options): Don't give -ffunction-sections may
4559         affect debugging warning for Mach-O.
4560
4561 2006-07-07  James E Wilson  <wilson@specifix.com>
4562
4563         * config/mips/mips.md (cpu): Add sb1a.
4564         * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4565         addition to sb1.  Adjust comments to clarify SB-1A differences from
4566         SB-1.
4567         (ir_sb1a_load): New.  Modify bypasses to use it.
4568         (ir_sb1a_simple_alu): Likewise.
4569         * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4570         (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4571         (mips_issue_rate): Add PROCESSOR_SB1A.
4572         (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4573         * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4574         (TARGET_SB1): Add PROCESSOR_SB1A check.
4575         (TUNE_SB1): Likewise.
4576
4577         * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4578         * config/mips/mips.c (mips_store_data_bypass_p): New.
4579         * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4580         store_data_bypass_p.
4581
4582 2006-07-08  Paul Brook  <paul@codesourcery.com>
4583
4584         PR target/27991
4585         * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4586
4587 2006-07-07   Richard Guenther  <rguenther@suse.de>
4588
4589         PR middle-end/28268
4590         * tree.h (build_one_cst): Declare.
4591         * tree.c (build_one_cst): New function.
4592         * tree-ssa-math-opts.c (get_constant_one): Remove.
4593         (insert_reciprocals): Use build_one_cst.
4594         * fold-const.c (fold_plusminus_mult): Likewise.
4595
4596 2006-07-07  Roger Sayle  <roger@eyesopen.com>
4597
4598         * pointer-set.c (pointer_set_destroy): Correct whitespace.
4599         * cfgloopanal.c (dump_graph): Likewise.
4600         * dojump.c (discard_pending_stack_adjust): Likewise.
4601         * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4602         Likewise.
4603         * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4604         * function.c (finalize_block_changes): Likewise.
4605         * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4606         * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4607         * rtl.c (dump_rtx_statistics): Likewise.
4608         * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4609         Likewise.
4610         * varray.c (dump_varray_statistics): Likewise.
4611         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4612         decode_decimal64, encode_decimal128, decode_decimal128,
4613         decimal_real_to_decimal): Likewise.
4614
4615 2006-07-07  Richard Guenther  <rguenther@suse.de>
4616
4617         PR tree-optimization/28187
4618         * tree-vrp.c (vrp_operand_equal_p): New function.
4619         (vrp_bitmap_equal_p): Likewise.
4620         (update_value_range): Use them to compare old and new
4621         max and min values.
4622
4623 2006-07-06  Roger Sayle  <roger@eyesopen.com>
4624
4625         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4626         a default case to switch statement to silence compiler warnings.
4627
4628 2006-07-06  Roger Sayle  <roger@eyesopen.com>
4629
4630         PR target/27968
4631         * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4632         the configured assembler supports the x87's ffreep mnemonic.
4633         * configure: Regenerate.
4634         * config.in: Regenerate.
4635
4636         * config/i386/i386.c (output_387_ffreep): New function.
4637         (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4638         (output_387_reg_move): Likewise.
4639
4640 2006-07-06  Paul Eggert  <eggert@cs.ucla.edu>
4641
4642         Port to hosts whose 'sort' and 'tail' implementations
4643         treat operands with leading '+' as file names, as POSIX
4644         has required since 2001.  However, make sure the code still
4645         works on pre-POSIX hosts.
4646         * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4647         which says you should use "tail -c +N" rather than "tail +Nc".
4648         Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4649
4650 2006-07-06  Zdenek Dvorak <dvorakz@suse.cz>
4651
4652         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4653         argument name.
4654
4655 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
4656
4657         PR target/28150
4658         * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4659         PRE_{INC,DEC} of TFmode.
4660
4661 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
4662             Alan Modra  <amodra@bigpond.net.au>
4663
4664         PR target/28170
4665         * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4666         bounds. Simplify.
4667
4668 2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4669
4670         PR target/28285
4671         * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4672         Remove duplicate gtu.
4673
4674 2006-07-05  Jason Merrill  <jason@redhat.com>
4675
4676         PR c++/13983
4677         PR c++/17519
4678         * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4679         * c-common.c (handle_packed_attribute): So don't copy it here.
4680         * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4681
4682 2006-07-05  Mike Stump  <mrs@apple.com>
4683
4684         * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4685
4686 2006-07-05  H.J. Lu  <hongjiu.lu@intel.com>
4687
4688         PR target/26146
4689         * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4690
4691 2006-07-05  Richard Guenther  <rguenther@suse.de>
4692
4693         PR target/28158
4694         * config/i386/i386.md (*negdf2_1): Restrict pattern to
4695         TARGET_SSE2 targets if using SSE math.
4696         (*absdf2_1): Likewise.
4697
4698 2006-07-05  Richard Guenther  <rguenther@suse.de>
4699
4700         PR tree-optimization/28162
4701         * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4702         make sure to convert the operands to the correct type.
4703
4704 2006-07-04  Paolo Bonzini  <bonzini@gnu.org>
4705
4706         PR tree-optimization/28218
4707
4708         * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4709         to calculate and free the dominator information.
4710
4711 2006-07-04  Peter O'Gorman  <peter@pogma.com>
4712
4713         * mklibgcc.in: chmod 644 before ranlib during install.
4714
4715 2006-07-04  Andrew Stubbs <andrew.stubbs@st.com>
4716             J"orn Rennecke <joern.rennecke@st.com>
4717
4718         * configure.ac (.eh_frame data check): Use diff -b.
4719
4720 2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4721
4722         PR bootstrap/18058
4723         * Makefile.in (BUILD_RTL): Add build/vec.o.
4724         (build/gencondmd.o): Filter out -fkeep-inline-functions.
4725         (build/genextract): Delete.
4726         (build/genautomata): Likewise.
4727
4728 2006-07-04  Alan Modra  <amodra@bigpond.net.au>
4729
4730         PR target/28207
4731         * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4732         128-bit IBM long doubles for ABI_V4.
4733
4734 2006-07-03  Eric Botcazou  <ebotcazou@adacore.com>
4735
4736         * tree.c (range_in_array_bounds_p): New predicate.
4737         * tree.h (range_in_array_bounds_p): Declare it.
4738         * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4739         return a less conservative answer.
4740         * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4741         and flag 'is_group'.
4742         (IS_ELEMENT_FOR_GROUP): New macro.
4743         (FOR_EACH_ACTUAL_CHILD): Likewise.
4744         (next_child_for_group): New helper function.
4745         (can_completely_scalarize_p): Take into account groups.
4746         (sra_hash_tree): Handle RANGE_EXPR.
4747         (sra_elt_eq): Likewise.
4748         (lookup_element): Be prepared for handling groups.
4749         (is_valid_const_index): Delete.
4750         (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4751         instead of is_valid_const_index.
4752         <ARRAY_RANGE_REF>: New case.
4753         (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4754         is_valid_const_index.
4755         <ARRAY_RANGE_REF>: Do not unconditionally punt.
4756         (scan_dump): Dump info for groups too.
4757         (decide_instantiation_1): Likewise.
4758         (decide_block_copy): Assert that the element is not a group.
4759         Propagate decision to groups.
4760         (generate_one_element_ref): Handle RANGE_EXPR.
4761         (mark_no_warning): Iterate over actual childs.
4762         (generate_copy_inout): Likewise.
4763         (generate_element_copy): Likewise.
4764         (generate_element_zero): Likewise.
4765         (generate_element_init_1): Likewise.
4766         (dump_sra_elt_name): Handle RANGE_EXPR.
4767
4768 2006-07-03  Roger Sayle  <roger@eyesopen.com>
4769
4770         PR tree-optimization/26251
4771         * tree-ssa-threadupdate.c (redirection_block_p): New function.
4772         (thread_block): When optimizing for size refuse to thread jumps
4773         that would require duplication of blocks other than redirection
4774         blocks.
4775
4776 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
4777
4778         * configure.ac: Fix thinko in previous check-in.
4779         * configure: Regenerate.
4780
4781 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
4782
4783         PR other/27063
4784         * configure.ac (for lang...): Simplify nesting of conditionals.
4785         Test subdir_requires for non-enabled languages.  Move processing
4786         of lang_opt_files and lang_tree_fiels below that test.
4787         * configure: Regenerate.
4788         * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4789
4790 2006-07-01  Martin Michlmayr  <tbm@cyrius.com>
4791
4792         * doc/gcov.texi (Invoking Gcov): Add a missing word.
4793
4794 2006-06-30  Kazu Hirata  <kazu@codesourcery.com>
4795
4796         * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4797         comment typos.
4798
4799 2006-06-29  Jason Merrill  <jason@redhat.com>
4800
4801         PR c++/26905
4802         PR c++/26612
4803         PR c++/27000
4804         PR c++/26984
4805         PR c++/19134
4806         * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4807         * c-common.c (c_determine_visibility): Handle it here.
4808         * c-decl.c (finish_decl): Call c_determine_visibility for
4809         functions, too.
4810         * flags.h (enum symbol_visibility): Sort from most to least visibility.
4811         * tree.h: Likewise.
4812         * varasm.c (default_assemble_visibility): Likewise.
4813         * c-common.c (handle_visibility_attribute): Complain about trying
4814         to give visibility to an already defined class, or trying to change
4815         declared visibility. Always attach the attribute.
4816
4817         PR c++/26905
4818         PR c++/21675
4819         PR c++/17470
4820         * attribs.c (decl_attributes): Ignore type-in-place attributes
4821         once the type has been defined.
4822
4823 2006-06-29  Roger Sayle  <roger@eyesopen.com>
4824
4825         PR middle-end/27428
4826         * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4827         to indicate the cpplib has issued an error message for us.
4828
4829 2006-06-29  Asher Langton  <langton2@llnl.gov>
4830
4831         PR target/25765
4832         * config/i386/i386.c (ix86_output_function_epilogue): Don't
4833         insert a label at the end of an function under Mach-O.
4834
4835 2006-06-29  Eric Christopher  <echristo@apple.com>
4836             Evan Cheng  <evan.cheng@apple.com>
4837
4838         * predicates.md (vector_all_ones_operand): New.
4839         (nonimmediate_or_sse_const_operand): Ditto.
4840         * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4841         * config/i386/i386.c (standard_sse_constant_opcode): Define.
4842         (standard_sse_mode_p): Ditto.
4843         (standard_sse_constant_p): Add case for -1 vector.
4844         (ix86_expand_vector_move): Try to use.
4845         * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4846         Call standard_sse_constant_opcode.
4847         (*movv4sf_internal): Ditto.
4848         (*movv2df_internal): Ditto.
4849
4850 2006-06-29  Roger Sayle  <roger@eyesopen.com>
4851
4852         * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4853         of XEXP to extract the operands of a MATCH_CODE rtx.
4854
4855 2006-06-28  Andrew Pinski  <pinskia@gmail.com>
4856
4857         * tree.c (tree_size): Do not waste tail padding in
4858         struct tree_string and make the size be the same as
4859         build_string will generate.
4860
4861 2006-06-28  Jason Merrill  <jason@redhat.com>
4862
4863         PR c++/27768
4864         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4865         may_aliases already in the tag's annotations to the bitmap.
4866
4867 2006-06-28  Roger Sayle  <roger@eyesopen.com>
4868
4869         * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4870
4871 2006-06-28  Roger Sayle  <roger@eyesopen.com>
4872
4873         * genpreds.c (generate_switch_p): New function.
4874         (add_mode_tests): Push the new mode test down inside an AND expr
4875         if this allows the switch-suitable MATCH_CODE to be near the root.
4876         (write_match_code_switch): New function to write a MATCH_CODE as
4877         a switch statement.
4878         (write_predicate_stmts): New function to write a predicate RTX
4879         expression as a sequence of statements.
4880         (write_one_predicate_function): Use write_predicate_stmts.
4881         (write_tm_constrs_h): Likewise.
4882
4883 2006-06-26  Fred Fish  <fnf@specifix.com>
4884
4885         * config/mips/t-sb1: New file.
4886         * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4887         tmake_file list.
4888
4889 2006-06-26  DJ Delorie  <dj@redhat.com>
4890
4891         * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4892
4893 2006-06-26  Naveen H.S  <naveenh@kpitcummins.com>
4894             Jayant Sonar  <jayants@kpitcummins.com>
4895             Jaydeep Vipradas  <jaydeepv@kpitcummins.com>
4896
4897         * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4898         (subsi3, subsi3_1, subsi3_2): New.
4899         * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4900         * config/m32c/mov.md (SI mov peephole): New.
4901         * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4902         * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4903
4904 2006-06-26  Olivier Hainque  <hainque@adacore.com>
4905
4906         * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4907         a CALL_EXPR target function declaration.
4908
4909 2006-06-26  Richard Guenther  <rguenther@suse.de>
4910
4911         * tree.c (build_string): Do not waste tail padding in
4912         struct tree_string.
4913
4914 2006-06-26  Richard Guenther  <rguenther@suse.de>
4915
4916         * ggc-page.c (init_ggc): Add missing element to size_lookup
4917         table.
4918
4919         Revert
4920         2006-06-23  Richard Guenther  <rguenther@suse.de>
4921
4922         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4923         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
4924         alignment requests instead.  Add verification code.
4925         Add struct tree_function_decl and struct tree_binfo size to
4926         extra_order_size_table.  Add missing element to size_lookup
4927         table.
4928
4929 2006-06-25  Eric Botcazou  <ebotcazou@adacore.com>
4930
4931         PR middle-end/28151
4932         * fold-const.c (const_binop): Be prepared for self returning zero.
4933         Simplify code handling complex values.
4934
4935 2006-06-24  Olivier Hainque  <hainque@adacore.com>
4936
4937         * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4938         (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4939         aggregate types.
4940
4941 2006-06-24  Olivier Hainque  <hainque@adacore.com>
4942
4943         * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4944         ARRAY_REF, so have the callback called for the low bound expression.
4945
4946 2006-06-23  Janis Johnson  <janis187@us.ibm.com>
4947
4948         * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4949         * c-typeck.c (c_common_type): Disallow operations on decimal float
4950         types and other float types.
4951         * convert.c (convert_to_real): Don't ignore conversions involving
4952         decimal float types.
4953
4954 2006-06-23  Olivier Hainque  <hainque@adacore.com>
4955
4956         * tree.c (max_int_size_in_bytes): New function, inspired from
4957         code in function.c:assign_temp.
4958         * tree.h (max_int_size_in_bytes): Declare.
4959         * function.c (assign_temp): Use it.
4960         * gimplify.c (create_tmp_var): Relax the assertions on the type
4961         properties, not mandating constant size any more.
4962         (force_constant_size): New static function.
4963         (gimple_add_tmp_var): Use it, forcing variable size to a
4964         constant upper bound if it is not constant on entry.
4965
4966 2006-06-23  Danny Smith   <dannysmith@users.sourceforge.net>
4967
4968         PR target/27789
4969         * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4970         for initialization and setting of one_only flag to ...
4971         (i386_pe_encode_section_info): ...here.
4972         (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4973         Recheck that the symbol has not been defined.
4974
4975 2006-06-23  Richard Guenther  <rguenther@suse.de>
4976
4977         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4978         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
4979         alignment requests instead.  Add verification code.
4980         Add struct tree_function_decl and struct tree_binfo size to
4981         extra_order_size_table.  Add missing element to size_lookup
4982         table.
4983
4984 2006-06-22  Roger Sayle  <roger@eyesopen.com>
4985             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4986
4987         PR middle-end/28131
4988         * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4989         call to lang_hooks.types.type_for_mode returned NULL_TREE.
4990
4991 2006-06-23  Ben Elliston  <bje@au.ibm.com>
4992
4993         * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4994         negate dn -- manipulate it directly.
4995
4996 2006-06-22  Roger Sayle  <roger@eyesopen.com>
4997             Steven Bosscher  <stevenb.gcc@gmail.com>
4998
4999         PR target/27531
5000         * reload1.c (gen_reload): Call mark_jump_label on the new insns
5001         generated by gen_move_insn to add REG_LABEL notes if necessary.
5002
5003 2006-06-22  Bob Wilson  <bob.wilson@acm.org>
5004
5005         * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5006         (leaf_entry): Remove use of MIN_ESA.
5007
5008 2006-06-22  Zdenek Dvorak <dvorakz@suse.cz>
5009
5010         PR rtl-optimization/28121
5011         * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5012         the entry edge.
5013
5014 2006-06-21  DJ Delorie  <dj@redhat.com>
5015
5016         * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5017         (TN-16C-A156A/E).
5018         (mulhisi3_r): Likewise.
5019
5020 2006-06-21  Richard Sandiford  <richard@codesourcery.com>
5021
5022         PR middle-end/28034
5023         * coverage.c (coverage_counter_alloc): Leave the index type
5024         unspecified.
5025         (coverage_counter_alloc): Use null arguments for operands 2 and 3
5026         of the ARRAY_REF.
5027
5028 2006-06-21  Andrew Pinski  <pinskia@physics.uc.edu>
5029
5030         * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5031         section from the "Options for Code Generation Conventions".
5032
5033 2006-06-21  Richard Henderson  <rth@redhat.com>
5034
5035         PR target/26347
5036         PR target/27082
5037         * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5038         symbols.
5039         (global_symbolic_operand): Allow weak symbols, even if local_p.
5040
5041 2006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
5042
5043         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5044         (find_interesting_uses_address): Punt if above function returns true.
5045
5046 2006-06-21  Richard Guenther  <rguenther@suse.de>
5047
5048         * configure: Regenerated.
5049
5050 2006-06-21  Joseph Myers  <joseph@codesourcery.com>
5051
5052         * config/mips/mips.c (function_arg): Where one part of a
5053         complex argument is in registers and the other part in the stack,
5054         return a REG not a PARALLEL.
5055
5056 2006-06-21  Mark Mitchell  <mark@codesourcery.com>
5057
5058         * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5059         when cross-compiling.  Do not substitute libstdcxx_incdir.
5060         * configure: Regenerated.
5061
5062 2006-06-21  Jakub Jelinek  <jakub@redhat.com>
5063
5064         * varasm.c (mergeable_string_section): Check for embedded NULs and
5065         NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5066         rather than TREE_STRING_LENGTH bytes.
5067
5068 2006-06-21  Richard Guenther  <rguenther@suse.de>
5069
5070         * ggc-page.c (extra_order_size_table): Add var_ann_d,
5071         tree_ssa_name, bitmap_element and phi_node with 4 arguments
5072         sizes.
5073
5074 2006-06-21  Richrad Guenther  <rguenther@suse.de>
5075
5076         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5077         Limit iteration over the dominators.
5078
5079 2006-06-20  Roger Sayle  <roger@eyesopen.com>
5080
5081         * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5082         (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5083
5084 2006-06-20  Richard Guenther  <rguenther@suse.de>
5085         Michael Matz  <matz@suse.de>
5086
5087         * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5088         function.
5089         * alloc-pool.c (free_alloc_pool_if_empty): New function.
5090         * et-forest.h (et_free_pools): Prototype new function.
5091         * et-forest.c (et_free_tree_force): Free parent occurrence.
5092         (et_free_pools): New function.
5093         * dominance.c (free_dominance_info): Free et-forest alloc
5094         pools.
5095
5096 2006-06-20  Roger Sayle  <roger@eyesopen.com>
5097
5098         * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5099         integer modes, attempt to directly construct an integer constant.
5100
5101         * fold-const.c (native_encode_vector): Determine the size of each
5102         element from the vector type instead of the first vector element.
5103
5104         * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5105         if all of its elements/components are constant.
5106         (build_constructor_from_list): Likewise.
5107
5108 2006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
5109
5110         PR tree-optimization/27331
5111         * tree-data-ref.c (free_data_ref): New function.
5112         (create_data_ref): Fail if the data reference has unknown access
5113         function.
5114         (free_data_refs): Use free_data_ref.
5115
5116 2006-06-19  Andrew Pinski  <pinskia@gmail.com>
5117
5118         PR middle-end/28075
5119         * tree-inline.c (setup_one_parameter): Strip useless
5120         type conversion before adding it to the IR.
5121         (declare_return_variable): Likewise.
5122
5123 2006-06-19  Martin Michlmayr  <tbm@cyrius.com>
5124
5125         PR c/27149
5126         * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5127
5128 2006-06-19  Mike Stump  <mrs@apple.com>
5129
5130         * tree.c (variably_modified_type_p): VM arguments don't make the
5131         type a VM type.
5132
5133 2006-06-19  Richard Guenther  <rguenther@suse.de>
5134
5135         * tree-ssa-pre.c (try_combine_conversion): Strip useless
5136         type conversions after folding.
5137
5138 2006-06-19  Richard Guenther  <rguenther@suse.de>
5139
5140         * ggc-page.c (extra_order_size_tab): Add entries with
5141         size of struct function and basic_block.
5142         (size_lookup): Extend to cover sizes up to 511.
5143         (ggc_alloc_stat): Adjust user.
5144         (ggc_pch_count_object): Likewise.
5145         (ggc_pch_alloc_object): Likewise.
5146         (ggc_pch_write_object): Likewise.
5147
5148 2006-06-19  Zdenek Dvorak <dvorakz@suse.cz>
5149
5150         * tree-ssa-loop-niter.c (implies_ge_p): New function.
5151         (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5152         correctly.
5153
5154 2006-06-19  Denis Chertykov  <denisc@overta.ru>
5155
5156         * config/avr/libgcc.S : Correct my wrong previous commit.
5157
5158 2006-06-19  Roger Sayle  <roger@eyesopen.com>
5159
5160         PR target/27861
5161         * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5162         have stripped a SUBREG from the shift count, so we may need to
5163         convert_to_mode back to the type's mode before calling make_tree.
5164         Use new_amount instead of amount to avoid expanding a tree twice.
5165
5166 2006-06-19  Richard Guenther  <rguenther@suse.de>
5167
5168         PR middle-end/28045
5169         * fold-const.c (operand_equal_p): Check if the argument types
5170         have the same precision before stripping NOPs.
5171
5172 2006-06-19  Daniel Berlin  <dberlin@dberlin.org>
5173
5174         Fix PR tree-optimization/27341
5175         * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5176         statement we get.
5177         * tree-complex.c (pass_lower_complex): Update SMT usage.
5178
5179 2006-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5180
5181         * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5182         Add a new alternative to the constraint strings. Add move of
5183         operand 1 to 3 to the splitter definition.
5184         ("doloop_si_long"): Second contraint alternative removed.
5185
5186 2006-06-08  Anatoly Sokolov <aesok@post.ru>
5187
5188         * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5189         (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5190         __AVR_HAVE_LPMX__.
5191         (AVR_HAVE_MOVW) Define.
5192         (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5193         (ASM_SPEC): Add avr25.
5194         (LINK_SPEC): Add avr25.
5195         * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5196         (base_arch_s): Add new member 'have_movw_lpmx'.
5197         (avr_arch_types): Init 'have_movw_lpmx'.
5198         (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5199         attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5200         attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5201         (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5202         (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5203         AVR_HAVE_MOVW.
5204         (avr_file_start): Do not output '.arh' derective.
5205         * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5206         (__do_copy_data): Use __AVR_HAVE_LPMX__.
5207         * config/avr/avr.md (mcu_enhanced): Delete.
5208         (mcu_have_movw): Define.
5209         (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5210         (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5211         * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5212         (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5213         attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5214         attiny861 and at86rf401 devices.
5215
5216 2006-06-18  Jie Zhang  <jie.zhang@analog.com>
5217
5218         * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5219         of 4096.
5220
5221 2006-06-17  Karl Berry  <karl@gnu.org>
5222
5223         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5224         doc/gccint.texi, doc/install.texi (@dircategory): Use
5225         "Software development" instead of "Programming", following
5226         the Free Software Directory.
5227
5228 2006-06-17  Alexandre Oliva  <aoliva@redhat.com>
5229
5230         * config/i386/i386.c (legitimate_tls_address)
5231         <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5232         * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5233         (*tls_dynamic_gnu2_combine_64): Likewise.
5234
5235 2006-06-16  Richard Guenther  <rguenther@suse.de>
5236
5237         PR middle-end/27116
5238         * fold-const.c (negate_expr_p): Do not introduce undefined
5239         overflow in negating INTEGER_CSTs.
5240         (fold_negate_expr): Rename from negate_expr.  Revert last
5241         change for folding BIT_NOT_EXPR.  Change semantics to
5242         return NULL_TREE for non-simplified negations.  Do not
5243         strip type conversions and unify type handling.
5244         (negate_expr): New function, wrap around fold_negate_expr
5245         but ensure building a tree always.  Strip type conversions
5246         here, fold to result type.
5247         (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5248
5249 2006-06-16  Roger Sayle  <roger@eyesopen.com>
5250
5251         PR middle-end/27802
5252         * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5253         that (would) return their results in stack registers.
5254
5255 2006-06-16  Michael Matz  <matz@suse.de>
5256         Richard Guenther  <rguenther@suse.de>
5257
5258         * fold-const.c (fold_truthop): Only return new tree node if
5259         we canonicalized something.
5260
5261 2006-06-16  Richard Guenther  <rguenther@suse.de>
5262
5263         * function.h (enum function_frequency): Move declaration
5264         out of struct function.
5265         (struct function): Move bool fields and the enum to the bitfield
5266         section.  Reorder elements to avoid padding.  Remove unused
5267         fields left over from the RTL inliner removal.
5268         * function.c (free_after_compilation): Do not zero removed fields.
5269         * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5270         (ipa-type-escape.o): Likewise.
5271
5272 2006-06-16  Richard Guenther  <rguenther@suse.de>
5273
5274         * cgraph.h (struct cgraph_local_info): Turn bool elements
5275         into a bitfield.
5276         (struct cgraph_node): Likewise.
5277         (struct cgraph_varpool_node): Likewise.
5278
5279 2006-06-15  Richard Guenther  <rguenther@suse.de>
5280
5281         * fold-const.c (fold_truth_not_expr): Rename from
5282         invert_truthvalue.  Give it fold_* semantics to avoid
5283         generating garbage.
5284         (invert_truthvalue): New function.  Wrapper around
5285         fold_truth_not_expr.
5286         (optimize_minmax_comparison): Avoid creating garbage.
5287         (fold_unary): Use fold_truth_not_expr for folding
5288         TRUTH_NOT_EXPR.
5289         (fold_ternary): Replace uses of invert_truthvalue with
5290         fold_truth_not_expr where applicable.
5291         * tree.h (fold_truth_not_expr): Prototype.
5292
5293 2006-06-16  Richard Guenther  <rguenther@suse.de>
5294
5295         PR tree-optimization/27781
5296         * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5297         * ipa-pure-const.c (target.h): Include.
5298         (analyze_function): Do not analyze functions that do not
5299         bind locally.
5300
5301 2006-06-15  Andrew MacLeod  <amacleod@redhat.com>
5302
5303         PR middle-end/27793
5304         * tree-dfa.c (referenced_vars_dup_list): Remove.
5305         (find_referenced_vars): Remove assert.
5306         (referenced_var_check_and_insert): Replace dup list with assert.
5307         * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5308         * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5309
5310 2006-06-15  Richard Guenther  <rguenther@suse.de>
5311
5312         * tree-ssa-structalias.c (alias_get_name): Avoid creating
5313         extra unused identifiers if not dumping.
5314         (create_variable_info_for): Likewise.
5315
5316 2006-06-15  Zdenek Dvorak <dvorakz@suse.cz>
5317
5318         * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5319         (derive_constant_upper_bound): Derive more precise upper bound in
5320         common cases.  Return type changed to double_int.
5321         (record_estimate): Reflect the changed return type of
5322         derive_constant_upper_bound.
5323         * double-int.c (double_int_zext, double_int_sext): Fix.
5324
5325 2006-06-15  Paolo Bonzini  <bonzini@gnu.org>
5326
5327         * configure.ac (CFLAGS): Get them from the toplevel or from the
5328         configure invocation.
5329         * configure: Regenerate.
5330         * Makefile.in (CFLAGS): Substitute value provided by configure.
5331
5332 2006-06-14  Mark Mitchell  <mark@codesourcery.com>
5333
5334         PR c++/26559
5335         * c-common.h (c_finish_omp_atomic): Adjust declaration.
5336         * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5337         rather than calling add_stmt on it.
5338         * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5339
5340 2006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5341
5342         PR middle-end/27959
5343         * reload1.c (reload): Remove registers returned by update_eliminables
5344         from used_spill_regs.
5345
5346 2006-06-13  DJ Delorie  <dj@redhat.com>
5347
5348         * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5349
5350 2006-06-13  Carlos O'Donell  <carlos@codesourcery.com>
5351
5352         * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5353         html__strip_dir, html__mkdir_p. Enhance install-html target.
5354         * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5355         * configure: Regenerate.
5356
5357 2006-06-13  Fariborz Jahanian <fjahanian@apple.com>
5358
5359         * fold-const.c (fold_cond_expr_with_comparison): Check for
5360         Objective-C++ as language in deciding COND_EXPR transformation.
5361
5362 2006-06-06  J"orn Rennecke <joern.rennecke@st.com>
5363
5364         PR target/28014:
5365         * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5366         * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5367         * config/sh/lib1funcs.h (SL, SL1): Define.
5368         * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5369         * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5370         * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5371         (OBJS_Os_4_200): New variable.
5372         ($(T)libgcc-Os-4-200.a): Use it.
5373         * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5374         when dividing 1 and/or by 0.
5375
5376 2006-06-13  Roger Sayle  <roger@eyesopen.com>
5377
5378         * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5379         before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5380         * configure: Regenerate.
5381
5382 2006-06-13  Jie Zhang  <jie.zhang@analog.com>
5383
5384         * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5385         for real instruction.
5386
5387 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5388
5389         PR middle-end/26807
5390         * haifa-sched.c (check_cfg): Handle special case.
5391
5392 2006-06-13  Eric Botcazou  <ebotcazou@adacore.com>
5393
5394         PR debug/26754
5395         * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5396         Add debug_info parameter.  Chain the vars to the BLOCK instead
5397         of the BIND_EXPR if debug info are requested for them.
5398         (pop_gimplify_context): Adjust for above change.
5399         (gimple_add_tmp_var): Likewise.
5400         * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5401         Add bool parameter.
5402         * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5403         (convert_local_reference): Likewise.
5404         (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5405         (finalize_nesting_tree_1): Request that debug info be emitted
5406         for debug_var_chain.
5407
5408 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5409
5410         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5411         for PR target/27863.
5412
5413 2006-06-13  Richard Guenther  <rguenther@suse.de>
5414
5415         PR middle-end/27536
5416         * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5417
5418 2006-06-13  Richard Guenther  <rguenther@suse.de>
5419
5420         PR tree-optimization/27830
5421         * tree-inline.c (copy_body_r): For copying the operand
5422         of an ADDR_EXPR make sure to fold &* afterwards.
5423
5424 2006-06-12  Eric Botcazou  <ebotcazou@adacore.com>
5425
5426         * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5427         lvalues in the fb_none case with side-effects.
5428
5429 2006-06-12  Kazu Hirata  <kazu@codesourcery.com>
5430
5431         * tree-flow.h: Remove the prototype for
5432         compute_phi_arg_on_exit.
5433         * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5434         protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5435         Remove.
5436
5437 2006-06-12  Mark Shinwell  <shinwell@codesourcery.com>
5438
5439         * builtins.c (expand_builtin_return_addr): Only use
5440         frame_pointer_rtx when count == 0 and we are expanding
5441         __builtin_return_address.
5442
5443 2006-06-12  Fred Fish  <fnf@specifix.com>
5444
5445         * config/mips/mips.c (mips_file_start): Create special section
5446         ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5447
5448 2006-06-11  Eric Christopher  <echristo@apple.com>
5449
5450         PR middle-end/27948
5451         * stor-layout.c (place_field): Remove check for
5452         remaining_in_alignment when aligning at the end of a run.
5453
5454 2006-06-11  Eric Christopher  <echristo@apple.com>
5455
5456         PR 27542
5457         * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5458         pragma.
5459
5460 2006-06-11  Roger Sayle  <roger@eyesopen.com>
5461
5462         PR target/27858
5463         Revert incorrect fix for PR target/27158
5464         2006-05-08  Roger Sayle  <roger@eyesopen.com>
5465         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5466         of a reg_equiv_constant if the result is a legitimate constant.
5467
5468 2006-06-11  Roger Sayle  <roger@eyesopen.com>
5469
5470         PR target/27158
5471         * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5472         extract a CONST_VECTOR element and interpret it as an integer.
5473         (vspltis_constant): Use const_vector_elt_as_int instead of the
5474         macro CONST_VECTOR_ELT in order to handle FP vector modes.
5475         * config/rs6000/predicates.md (easy_vector_const): Consider
5476         floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5477
5478 2006-06-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5479
5480         PR middle-end/27942
5481         * stor-layout.c (update_alignment_for_field): Don't add extra
5482         alignment for packed non-bitfield fields in ms_bitfield_layout_p
5483         code.
5484
5485 2006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>
5486
5487         * config/mips/t-rtems: Add EL/EB multilib variants.
5488
5489 2006-06-09  Mike Stump  <mrs@apple.com>
5490
5491         * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5492
5493 2006-06-09  David Daney  <ddaney@avtrex.com>
5494
5495         * doc/install.texi: Add binutils version recommendation for mips-*-*.
5496
5497 2006-06-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5498
5499         * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5500
5501 2006-06-09  Richard Guenther  <rguenther@suse.de>
5502
5503         PR tree-optimization/26998
5504         * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5505         of signed types, only TYPE_MIN_VALUE is special, but for both,
5506         minimum and maximum value.  Likewise VR_ANTI_RANGE is special
5507         in this case, as is -fwrapv.
5508
5509 2006-06-08  Mike Stump  <mrs@apple.com>
5510
5511         PR target/26427
5512         * config/darwin.c (darwin_asm_output_anchor): Disable
5513         -fsection-anchors on darwin for now.
5514         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5515         * rs6000/rs6000.c (optimization_options): Likewise.
5516
5517 2006-06-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5518
5519         PR target/27421
5520         * config/i386/i386.c (classify_argument): Skip fields with invalid
5521         types in unions.
5522
5523 2006-06-08  Steven Bosscher  <steven@gcc.gnu.org>
5524
5525         * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5526         (cse_insn): Likewise for the stack_pointer_rtx.
5527
5528 2006-06-08  Roger Sayle  <roger@eyesopen.com>
5529
5530         * tree-ssa-dom.c (record_conditions): Only record "unordered"
5531         conditions from floating point comparisons.
5532
5533 2006-06-08  Paolo Bonzini  <bonzini@gnu.org>
5534
5535         PR middle-end/27733
5536         * expmed.c (struct alg_hash_entry): Fix type of field T
5537         to match synth_mult argument.
5538         (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5539
5540 2006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5541
5542         PR target/27863
5543         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5544         block boundaries.
5545
5546 2006-06-08  Richard Guenther  <rguenther@suse.de>
5547
5548         PR middle-end/27116
5549         * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5550         only, if overflow is defined and not trapping.
5551         (negate_expr): Likewise.
5552
5553 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
5554
5555         PR tree-optimization/27872
5556         * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5557         flag on the new exit edge of the unrolled loop.
5558
5559 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
5560
5561         PR rtl-optimization/26449
5562         * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5563
5564 2006-06-07  Andrew MacLeod  <amacleod@redhat.com>
5565
5566         PR middle-end/27793
5567         * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
5568         referenced_variables with matching DECL_UID's.
5569         (find_referenced_vars): Make sure duplicate list is empty to start.
5570         (referenced_var_p): Remove.
5571         (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5572         Check if var is in the list, and add if needed.  Update the duplicate
5573         list if a different var is in the list with the same DECL_UID.
5574         (add_referenced_var): Call routine to check and insert.
5575         * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5576         * tree-flow.h (referenced_vars_dup_list): External declaration.
5577
5578 2006-06-07  Fred Fish  <fnf@specifix.com>
5579
5580         * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5581         into single entry.
5582
5583 2006-06-07  Paolo Bonzini  <bonzini@gnu.org>
5584
5585         PR target/27390
5586         * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5587         the imaginary and real parts of a clobbered register.
5588         Emit insn to set the imaginary part.
5589
5590 2006-06-06  Peter Lemieszewski  <lemie@us.ibm.com>
5591
5592         * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5593         in lieu of unwind-dw2-fde.c.
5594
5595 2006-06-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5596
5597         * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5598
5599 2006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>
5600
5601         PR target/27842
5602         * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5603         ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5604         ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5605         V4SImode temporaries and operations instead.
5606
5607 2006-06-06  Joseph S. Myers  <joseph@codesourcery.com>
5608
5609         * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5610         dp-bit.c.
5611
5612 2006-06-06  Mike Stump  <mrs@apple.com>
5613
5614         * Makefile.in: Rename to htmldir to build_htmldir to avoid
5615         installing during build.
5616
5617 2006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5618
5619         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5620         value to 0.
5621         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5622         * config/ia64/ia64.c (params.h): New header.
5623         (ia64_optimization_options): New function to adjust parameters.
5624         * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5625         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5626         * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5627
5628 2006-06-05  Kazu Hirata  <kazu@codesourcery.com>
5629
5630         * stor-layout.c (debug_rli): Fix a typo in a debug message.
5631
5632 2006-06-05  Steve Ellcey  <sje@cup.hp.com>
5633
5634         PR target/27051
5635         * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5636
5637 2006-06-05  Dorit Nuzman  <dorit@il.ibm.com>
5638             Victor Kaplansky  <victork@il.ibm.com>
5639
5640         PR tree-optimization/26360
5641         * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5642         stmts.
5643
5644 2006-06-04  Roger Sayle  <roger@eyesopen.com>
5645             Andrew Pinski  <pinskia@physics.uc.edu>
5646
5647         PR middle-end/27382
5648         * c-common.c (c_common_truthvalue_conversion): Explicitly check
5649         for LABEL_DECL before calling DECL_WEAK.
5650
5651         PR c/27150
5652         * c-typeck.c (build_binary_op): Likewise, explicitly check for
5653         LABEL_DECL and PARM_DECL.
5654
5655 2006-06-05  Joseph S. Myers  <joseph@codesourcery.com>
5656
5657         PR c/25161
5658         PR c/27020
5659         * c-decl.c (grokdeclarator): Disallow variably modified types at
5660         file scope.  Avoid marking shared array type of constant size as
5661         VLA.
5662
5663 2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5664
5665         PR c++/27601
5666         * c-common.c (fold_offsetof_1): Handle static members.
5667
5668 2006-06-04 Eric Christopher <echristo@apple.com>
5669
5670         * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5671         (debug_rli): Output value for remaining_in_alignment.
5672         (update_alignment_for_field): Unconditionalize
5673         ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5674         extra alignment code.
5675         (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5676         ms_bitfield_layout_p code. Rewrite handling of structure fields.
5677         * tree.h (record_layout_info_s): Remove prev_packed.
5678         * doc/extend.texi (ms_struct): Add documentation of format.
5679
5680 2006-06-04  Mark Shinwell  <shinwell@codesourcery.com>
5681
5682         * tree.h: Declare folding_initializer.
5683         * builtins.c (fold_builtin_constant_p): Give definite answer
5684         if folding inside an initializer.
5685         * fold-const.c: Define folding_initializer.
5686         (START_FOLD_INIT): Save and then set folding_initializer.
5687         (END_FOLD_INIT): Restore folding_initializer.
5688
5689 2006-06-04  Richard Guenther  <rguenther@suse.de>
5690
5691         PR tree-optimization/27039
5692         * fold-const.c (fold_comparison): Handle pointer comparison
5693         again for all comparison codes.  Compare offsets in signed
5694         size type.
5695         (fold_binary): Move code from here.
5696
5697 2006-06-03  Roger Sayle  <roger@eyesopen.com>
5698
5699         PR target/26223
5700         * config/i386/i386.c (construct_container): Split static issued_error
5701         flag into issued_sse_arg_error, issued_sse_ret_error and
5702         issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
5703         requires the use of x87 registers and the user explicitly
5704         specified the -mno-80387 command line option.
5705
5706 2006-06-02  Geoffrey Keating  <geoffk@apple.com>
5707
5708         * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5709         HAVE_DECL_SIGALTSTACK.
5710         (MC_FLD): New.
5711         (segv_handler): Use MC_FLD.
5712         * configure.ac: Check for a sigaltstack declaration.
5713         Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5714         * configure: Regenerate.
5715         * config.in: Regenerate.
5716
5717 2006-06-03  J"orn Rennecke <joern.rennecke@st.com>
5718
5719         PR other/27850
5720         * Makefile.in (stmp-fixinc): Fix typo.
5721
5722 2006-06-02  Roger Sayle  <roger@eyesopen.com>
5723
5724         * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5725         are type correct.  Clean-up.
5726         <REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
5727         <IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).
5728
5729 2006-06-01  DJ Delorie  <dj@redhat.com>
5730
5731         * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5732         shift, as we've disabled the "switch" insn that needs it.
5733
5734 2006-06-01  Per Bothner  <bothner@bothner.com>
5735
5736         Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5737         * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5738         * c-ppoutput.c (cb_define): Don't increment line 0.
5739
5740 2006-06-01  Pete Steinmetz  <steinmtz@us.ibm.com>
5741
5742         * doc/invoke.texi: Add cpu_type power6.
5743         * config.gcc: Add cpu_type power6.
5744         * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5745         to power5+ with Altivec.
5746         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5747         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5748
5749 2006-05-30  Anatoly Sokolov <aesok@post.ru>
5750
5751         * config/avr/avr.h (SET_ASM_OP): Define.
5752
5753 2006-06-01  Kazu Hirata  <kazu@codesourcery.com>
5754
5755         * config/bfin/bfin.c: Fix comment typos.
5756
5757 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
5758
5759         PR 25453
5760         * doc/install.texi: Document --enable-bootstrap and
5761         --disable-bootstrap.
5762
5763 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
5764
5765         * doc/install.texi: Document that InfoZIP can replace jar.
5766
5767 2006-05-31  Roger Sayle  <roger@eyesopen.com>
5768
5769         * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5770         isn't available, directly generate the simpler x87 patterns without
5771         the (use (const_int 0)).
5772         * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5773         implementation isn't available.
5774         (*negdf2_1): Likewise.
5775         (*negxf2_1): XF mode negation is always done using the x87.
5776         (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5777
5778 2006-05-31  Roger Sayle  <roger@eyesopen.com>
5779
5780         * builtins.c (fold_builtin_cabs): Delete prototype.  Require an
5781         additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
5782         cabs(z).
5783         (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5784
5785 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
5786
5787         * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5788         * config/bfin/bfin.c (basic-block.h): Include.
5789         (struct machine_function): New.
5790         (bfin_init_machine_status): New.
5791         (override_options): Initialize init_machine_status.
5792         (bfin_hardware_loop): New.
5793         (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5794         (DEF_VEC_P (loop_info)): New.
5795         (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5796         (struct loop_info): New.
5797         (loop_info): New typedef.
5798         (struct loop_work): New.
5799         (loop_work): New typedef.
5800         (DEF_VEC_O (loop_work)): New.
5801         (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5802         (bfin_dump_loops): New.
5803         (bfin_bb_in_loop): New.
5804         (bfin_scan_loop): New.
5805         (bfin_optimize_loop): New.
5806         (bfin_reorg_loops): New.
5807         (bfin_reorg): Use bfin_reorg_loops.
5808         * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5809         loop registers.
5810         (I_REGNO_P): Simplify.
5811         (DP_REGNO_P, DPREG_P): New macros.
5812         (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5813         REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5814         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5815         Add LT_REGS, LC_REGS, LB_REGS.
5816         (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5817         'l' for LB_REGS.
5818         (REGNO_REG_CLASS): Deal with loop registers.
5819         * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5820         letters.
5821         (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5822         New constants for loop registers.
5823         (UNSPEC_LSETUP_END): New.
5824         (seq_insns): New define_attr. Set it for appropriate insns.
5825         (movsi_insn): Add alternatives for move from/to
5826         loop count registers.
5827         (doloop_end): New define_expand.
5828         (loop_end): New define_insn.
5829         (define_split for bad doloop_end): New.
5830         (lsetup_with_autoinit): New define_insn.
5831         (lsetup_without_autoinit): New define_insn.
5832         (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5833         * config/bfin/predicates.md (lc_register_operand): New.
5834         (lt_register_operand): New.
5835         (lb_register_operand): New.
5836         (nondp_register_operand): New.
5837         (nondp_reg_or_memory_operand): New.
5838         * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5839
5840 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
5841
5842         * config/bfin/bfin.c (bfin_delegitimize_address): New.
5843         (TARGET_DELEGITIMIZE_ADDRESS): Define.
5844
5845 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
5846
5847         * Makefile.in (CATALOGS): Add po/ prefix.
5848         * configure: Regenerated.
5849
5850 2006-05-31  Richard Earnshaw  <richard.earnshaw@arm.com>
5851
5852         PR target/27829
5853         * arm.c (arm_print_operand case 'S'): Validate that the operand is
5854         a shift operand before calling shift_op.  Avoid redundant call of
5855         shift_op.
5856
5857 2006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
5858             DJ Delorie  <dj@redhat.com>
5859
5860         * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5861         we're inserting is a singlt-bit constant.
5862
5863 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5864
5865         * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5866         width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5867
5868 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5869
5870         PR tree-optimization/23452
5871         * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5872         to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5873         (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5874         complex values and with -ffast-math for FP complex values.
5875
5876 2006-05-30  Kazu Hirata  <kazu@codesourcery.com>
5877
5878         * c-common.h: Remove the prototype for yyparse.
5879         * rtl.h: Remove the prototype for init_loop.
5880
5881 2006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>
5882
5883         * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5884         calling recog.
5885
5886 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5887
5888         * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5889         and rotate cases.
5890         <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5891         log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5892
5893 2006-05-30  Dirk Mueller  <dmueller@suse.de>
5894
5895         PR c/27273
5896         * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5897         for CONSTANT_CLASS_P expresisons.
5898
5899 2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5900
5901         PR c/27718
5902         * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5903
5904 2006-05-30  Zdenek Dvorak <dvorakz@suse.cz>
5905
5906         PR tree-optimization/27779
5907         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5908         initial_condition instead of CHREC_LEFT.
5909
5910 2006-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
5911
5912         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5913         * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5914         Make prototypes ISO C90.
5915
5916 2006-05-30  Mircea Namolaru  <namolaru@il.ibm.com>
5917             Leehod Baruch    <leehod.baruch@weizmann.ac.il>
5918
5919         * see.c (see_analyze_one_def): Correct check.
5920         (see_get_extension_data): Check if extension is parallel.
5921         (see_get_extension_reg): Likewise.
5922
5923 2006-05-30  Uros Bizjak  <uros@kss-loka.si>
5924
5925         PR target/27790
5926         * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5927         into register for (code == GTU).
5928
5929 2006-05-29  Roger Sayle  <roger@eyesopen.com>
5930
5931         PR tree-optimization/24964
5932         * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5933         <MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
5934         signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
5935         abs(x)*abs(x) as x*x for scalar floating point modes.
5936
5937 2006-05-29  Sebastian Pop  <pop@cri.ensmp.fr>
5938
5939         PR middle-end/27745
5940         * lambda-code.c (perfect_nestify): Don't copy statements
5941         in the inner loop: move them to the inner loop header.
5942
5943 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
5944
5945         PR 26237
5946         * c-tree.texi: Document OpenMP directives and clauses.
5947
5948 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
5949
5950         * varasm.c (globalize_decl): Fix indentation.
5951
5952 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
5953
5954         PR 26242
5955         * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5956         pass_fre, pass_store_ccp, pass_copy_prop,
5957         pass_store_copy_prop, pass_merge_phi, pass_nrv,
5958         pass_return_slot, pass_object_size, pass_lim,
5959         pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5960         pass_loop_prefetch and pass_stdarg.
5961
5962 2005-05-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5963
5964         * config/bfin/bfin.opt (mfdpic): New option.
5965         * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5966         (EXTRA_MULTILIB_PARTS): Likewise.
5967         (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5968         (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5969         multilib.
5970         * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5971         (CRT_CALL_STATIC_FUNCTION): New.
5972         * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5973         -shared.
5974         (CRT_CALL_STATIC_FUNCTION): New.
5975         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
5976         FD-PIC moves.
5977         (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5978         (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5979         (initialize_trampoline): Changed to handle FD-PIC code generation.
5980         (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5981         (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5982         (override_options): Disallow -mid-shared-library -mfdpic combination.
5983         Can't do unaligned ops if FD-PIC.
5984         Turn off flag_pic if trying to generate non-id-shared-library
5985         non-fdpic code, since it's not supported.
5986         (bfin_assemble_integer): New function.
5987         (TARGET_ASM_INTEGER): Define.
5988         * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5989         __BFIN_FDPIC__.
5990         * config/bfin/crtn.s: Restore them.
5991         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5992         if TARGET_FDPIC.
5993         (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5994         LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5995         (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5996         (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5997         (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5998         call-used.
5999         (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6000         FDPIC_REGS and FDPIC_FPTR_REGS.
6001         (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6002         * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6003         UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6004         (load_funcdescsi): New pattern.
6005         (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6006         sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6007         call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6008
6009 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
6010
6011         * gcse.c, rtlanal.c: Remove obsolete comments associated with
6012         loop.c.
6013
6014         * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6015
6016         * tree-flow.h: Remove the prototype for add_type_alias.
6017         * tree-ssa-alias.c (add_type_alias): Remove.
6018
6019 2006-05-28  Kazu Hirata  <kazu@codesourcery.com>
6020
6021         * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6022         config/fr30/fr30.md, config/i386/i386-interix.h,
6023         config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6024         config/sh/superh64.h, config/v850/v850.c, df-core.c,
6025         df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6026         lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6027         reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6028         tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6029         Follow spelling conventions.
6030         * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6031         Follow spelling conventions.
6032
6033 2006-05-27  Richard Guenther  <rguenther@suse.de>
6034
6035         PR middle-end/27773
6036         * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6037         to produce a constant of value 1 of generic type.
6038
6039 2006-05-27  Dirk Mueller  <dmueller@suse.de>
6040
6041         * cgraphunit.c (decide_is_function_needed): Fix wrong
6042         PR reference.
6043
6044 2006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
6045
6046         PR rtl-optimization/27661
6047         * reload.c (find_reloads): When reloading a VOIDmode constant
6048         as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6049         use Pmode as mode of the reload register.
6050
6051 2006-05-26  Eric Botcazou  <ebotcazou@adacore.com>
6052
6053         * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6054         is enabled at -O and above.
6055
6056 2006-05-26  Steven Bosscher  <steven@gcc.gnu.org>
6057
6058         PR target/27571
6059         * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6060         table data.
6061
6062 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
6063
6064         PR c++/20103
6065         * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6066         for anonymous variables explicitly declared by front ends.
6067
6068 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
6069
6070         * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6071         (struct alias_info): Add new field ref_all_symbol_mem_tag.
6072         * tree-ssa-alias.c (compute_may_aliases): If the program contains
6073         ref-all pointers, run a finalization pass for them.
6074         (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6075         (finalize_ref_all_pointers): New function.
6076         (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6077         regular pointer type to a ref-all pointer type.
6078         (get_tmt_for): Return the special memory tag for ref-all pointers.
6079
6080 2006-05-25  Richard Guenther  <rguenther@suse.de>
6081
6082         PR middle-end/27743
6083         * fold-const.c (fold_binary): Do not look at the stripped
6084         op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6085
6086 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
6087
6088         * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6089         for LT and GT if the computed range is effectively empty.
6090
6091 2006-05-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6092
6093         PR target/27627
6094         * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6095         mips_quad_format formats instead of ieee_single_format,
6096         ieee_double_format and ieee_quad_format formats, respectively.
6097
6098 2006-05-24  Zdenek Dvorak <dvorakz@suse.cz>
6099
6100         PR tree-optimization/27639
6101         PR tree-optimization/26719
6102         * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6103         call to scev_probably_wraps_p.
6104         * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6105         used_in_pointer_arithmetic_p, convert_step): Removed.
6106         (nowrap_type_p): New function.
6107         (scev_probably_wraps_p): Rewritten.
6108         * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6109         chrec_convert if chrec_convert_aggressive might have been used.
6110         * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6111         scev_direction): New functions.
6112         (chrec_convert): Changed to a wrapper over chrec_convert_1.
6113         * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6114         instead of convert_step.
6115         * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6116         (convert_step): Declaration removed.
6117         (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6118
6119 2006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>
6120
6121         * df-core.c: Added to header comments.
6122         * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6123         df_ur_bb_info, df_urec_bb_info): Added comments.
6124         * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6125         urec, ri problems): Fixed header comments.
6126         (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6127         code from df_rd_transfer_function.
6128
6129 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
6130
6131         * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6132         (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6133         MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
6134
6135 2006-05-23  Joseph Myers  <joseph@codesourcery.com>
6136
6137         * expr.c (undefined_operand_subword_p): New.
6138         (emit_move_multi_word): Do not generate move from undefined bits
6139         of a paradoxical subreg.
6140
6141 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
6142
6143         PR rtl-optimization/27736
6144         * combine.c (replaced_rhs_value): New variable.
6145         (combine_instructions): Set it.
6146         (distribute_notes): When distributing a note in replaced_rhs_insn,
6147         check whether the value was used in replaced_rhs_value.
6148
6149 2006-05-23  Andrew MacLeod  <amacleod@redhat.com>
6150
6151         PR c++/26757
6152         * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6153         add_referenced_var instead of add_referenced_tmp_var.
6154         * tree-complex.c (create_one_component_var): Use add_referenced_var.
6155         * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6156         add_referenced_var.
6157         * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6158         tree_optimize_tail_calls_1): Use add_referenced_var.
6159         * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6160         * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6161         Use add_referenced_var.
6162         * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6163         * gimplify.c (force_gimple_operand): Use add_referenced_var.
6164         * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6165         Use add_referenced_var.
6166         * tree-dfa.c (struct walk_state): Remove.
6167         (find_referenced_vars): Remove walk state and vars_found hash table.
6168         (make_rename_temp): Use add_referenced_var.
6169         (find_vars_r): Pass less parameters to add_referenced_var.
6170         (referenced_var_p): New.  Is var in referenced_var hash table.
6171         (referenced_var_insert): Assert var isn't already in hash table.
6172         (add_referenced_var): Don't need walk_state parameter.  Add var if it
6173         isn't already in the hash table.
6174         (add_referenced_tmp_var): Remove.
6175         (find_new_referenced_vars_1): Use add_referenced_var.
6176         * tree-ssa-pre.c (create_expression_by_pieces,
6177         insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6178         Use add_referenced_var.
6179         * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6180         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6181         lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6182         add_referenced_var.
6183         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6184         vect_create_data_ref_ptr, vect_create_destination_var,
6185         vect_init_vector, vect_build_loop_niters,
6186         vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6187         vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6188         Use add_referenced_var.
6189         * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6190         * tree-flow.h (add_referenced_tmp_var): Remove prototype
6191         (add_referenced_var): Add prototype.
6192         * tree-ssa-structalias.c (get_constraint_for,
6193         intra_create_variable_infos): Use add_referenced_var.
6194
6195 2006-05-23  Alexandre Oliva  <aoliva@redhat.com>
6196
6197         * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6198         big-endian paradoxical subregs.
6199         * var-tracking.c (struct micro_operation_def): Document that,
6200         for modify micro operations, insn is the subsequent instruction.
6201         (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6202         (var_reg_set, var_mem_set): ... new functions.
6203         (add_stores): Record subsequent insn.
6204         (compute_bb_dataflow): Use new functions for MO_USE.
6205         (emit_notes_in_bb): Use new functions for MO_USE.  Emit use
6206         notes after the insn, and modify notes before the insn known
6207         to be the subsequent one.
6208         (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6209
6210 2006-05-23  Kazu Hirata  <kazu@codesourcery.com>
6211
6212         PR target/27696
6213         * config/i386/i386.c (ix86_expand_builtin): Use
6214         gen_sse3_monitor64 for TARGET_64BIT.
6215
6216 2006-05-22  Kenneth Zadeck <zadeck@naturalbridge.com>
6217
6218         PR rtl-optimization/26375
6219         PR rtl-optimization/26855
6220         * df-problems (df_ru_bb_local_compute_process_def): Removed update
6221         to gen set.
6222         (df_ru_bb_local_compute): Reversed statements and removed bogus
6223         comment explaining why they should be in wrong order.
6224         (df_ru_dump, df_rd_dump): Enhanced debug info.
6225         * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6226         debug info.
6227         * ddg.c (add_deps_for_def): Converted use of reaching defs to
6228         reaching uses and fixed space problem.
6229
6230 2006-05-23  Jan Hubicka  <jh@suse.cz>
6231
6232         * cgraphunit.c (decide_is_function_needed): Also nested functions
6233         and functions declared inline can be optimized out at -O0.
6234
6235 2006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>
6236
6237         * doc/install.texi (Configuration): Remove reference to CrossGCC
6238         FAQ which was gone.
6239         (Building): Ditto.
6240
6241 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
6242
6243         PR target/27266
6244         * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6245         ix86_compare_emitted is non-NULL.
6246
6247 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6248
6249         PR c++/27451
6250         * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6251         clobbers.
6252
6253 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
6254
6255         PR rtl-optimization/25514
6256         * combine.c (replaced_rhs_insn): New variable.
6257         (combine_instructions): Set replaced_rhs_insn when trying to replace
6258         a SET_SRC with a REG_EQUAL note.
6259         (distribute_notes): Use replaced_rhs_insn when determining the live
6260         range of a REG_DEAD register.
6261
6262 2006-18-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6263             Anatoly Sokolov <aesok@post.ru>
6264
6265         * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6266         attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6267         attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6268         atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6269         atmega3290, atmega649, atmega6490, atmega406, atmega640,
6270         atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6271         at90usb647, at90usb1286 and at90usb1287 devices.
6272         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6273         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6274
6275 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
6276
6277         * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6278
6279 2006-05-22  Richard Guenther  <rguenther@suse.de>
6280
6281         Revert
6282         2006-01-31  Richard Guenther  <rguenther@suse.de>
6283         Paolo Bonzini  <bonzini@gnu.org>
6284
6285         * doc/install.texi (--disable-libgcc-math): Document.
6286
6287 2006-05-22  Richard Guenther  <rguenther@suse.de>
6288
6289         Revert
6290         2006-01-31  Richard Guenther  <rguenther@suse.de>
6291
6292         * doc/invoke.texi (-msselibm): Document.
6293         * target.h (expand_library_builtin): New target hook.
6294         * builtins.c (expand_builtin): Use expand_library_builtin.
6295         (default_expand_library_builtin): New function.
6296         * gcc.c (LINK_GCC_MATH_SPEC): Define.
6297         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6298         (link_gcc_math_spec): Declare.
6299         (static_specs): Add link_gcc_math_spec.
6300         * expr.h (default_expand_library_builtin): Declare.
6301         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6302         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6303         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6304         * config/i386/i386.opt (msselibm): New target option.
6305         * config/i386/i386.c (ix86_builtin_function_variants): New array.
6306         (ix86_init_sse_abi_builtins): New function.
6307         (ix86_expand_library_builtin): Likewise.
6308         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6309         (override_options): Handle error conditions wrt -msselibm.
6310         (ix86_builtins): Add function codes for SSE2 ABI builtins.
6311         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6312         * doc/extend.texi (__builtin_sse2_*): Document new target specific
6313         builtins.
6314
6315 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6316
6317         PR c/27420
6318         * c-common.c (self_promoting_args_p): Skip erroneous args.
6319
6320         PR c/26818
6321         * c-decl.c (finish_struct): Skip erroneous fields.
6322
6323 2006-05-22  Nick Clifton  <nickc@redhat.com>
6324
6325         * config/cris/cris.opt (march): Remove VarExists attribute.
6326         (max-stackframe=): Likewise.
6327
6328 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
6329
6330         * doc/rtl.texi: Fix a typo.
6331         * see.c: Fix comment typos.
6332
6333         * tree-ssa-structalias.h (alias_info): Remove num_references.
6334
6335 2006-05-21  Mike Stump  <mrs@apple.com>
6336
6337         * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6338         (BAD2): Add.
6339         (darwin_pragma_options): Use BAD instead.
6340         (darwin_pragma_unused): Likewise.
6341         (darwin_pragma_ms_struct): Likewise.
6342
6343 2006-05-21  David Edelsohn  <edelsohn@gnu.org>
6344
6345         * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6346
6347 2006-05-21  Kazu Hirata  <kazu@codesourcery.com>
6348
6349         PR rtl-optimization/27671
6350         * simplify-rtx.c (simplify_relational_operation_1): Fix
6351         simplifications of (eq/ne (xor x y) y) and
6352         (eq/ne (xor x y) x).
6353
6354         PR tree-optimization/26622.
6355         * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6356         on arg1.
6357
6358 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
6359
6360         * tree-cfg.c: Prune whitespace.
6361         (debug_tree_cfg): Point to correct header containing the
6362         TDF_* defines.
6363
6364 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
6365
6366         PR middle-end/25776
6367         * cgraphunit.c (verify_cgraph_node): Typo in error message.
6368
6369 2006-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
6370
6371         PR middle-end/25776
6372         * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6373         or sorry count is non zero.
6374
6375 2006-05-20  Andreas Schwab  <schwab@suse.de>
6376
6377         * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6378
6379 2006-05-19  Daniel Berlin  <dberlin@dberlin.org>
6380             Kenneth Zadeck <zadeck@naturalbridge.com>
6381
6382         PR rtl-optimization/26855
6383
6384         * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6385         multiword refs.
6386         (df_scan_alloc): Added code to properly handle multiword hard
6387         registers and add all_blocks parameter.
6388         (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6389         code to properly handle multiword hard registers.
6390         (df_rescan_blocks): Added code to remove deleted blocks from
6391         bitmap.
6392         (df_ref_create_structure, df_ref_record): Added code to properly
6393         handle subregs.
6394         (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6395         and set DF_REF_PARTIAL.
6396         (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6397         (df_uses_record): Added DF_REF_PARTIAL for subreg.
6398         (df_scan_add_problem): Added flags parameter.
6399         (df_ref_create_structure): Changed switching structure.
6400         (df_bb_refs_record): Fixed case where duplicate artificial refs
6401         were created.  Changed location of flags.
6402         (df_record_entry_block_defs): Added code to make stack pointer
6403         live in entry block.  Refined cases where frame pointer is needed.
6404         Changed location of flags.
6405         (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6406         (df_set_state): Removed function.
6407         (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6408         df_insn_create_insn_record, df_insn_refs_delete,
6409         df_ref_create_structure): Formatting changes.
6410         * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6411         df_delete_basic_block): New function.
6412         (df_init): Changed location of flags.
6413         (df_add_problem): Added flags parameter and the way flags are
6414         processed.
6415         (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6416         debug_df_chain): Improved debugging output.
6417         (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6418         (df_refs_chain_dump): Removed df parameter.
6419         (df_iterative_dataflow): Added consistency check.
6420         (df_prune_to_subcfg): Made public.
6421         (df_analyze_problem): Added blocks_to_init parameter and made
6422         public.
6423         (df_ref_record, df_bb_refs_record, df_mark_reg,
6424          df_record_exit_block_uses): Whitespace changes.
6425         (df_dump): Whitespace changes.
6426         * df.h: Some reordering to remove forward references.
6427         (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6428         DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6429         (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6430         (dataflow.flags): New field.
6431         (df.flag): Deleted field.
6432         (df_alloc_function): Added additional bitmap parameter.
6433         (df_dependent_problem_function): New type.
6434         (df_problem.changeable_flags): New field.
6435         (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6436         DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6437         (df_mw_hardreg): New struct.
6438         (DF_INSN_UID_MWS): New macro.
6439         (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6440         parameter.
6441         (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6442         df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6443         df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6444         (df_set_state): Removed function.
6445         (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6446         * df-problems.c (df_chain_dump): Removed df parameter.
6447         (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6448         df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6449         parameter.
6450         (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6451         (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6452         df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6453         Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6454         DF_REF_MUST_CLOBBER cases.
6455         (df_ru_bb_local_compute_process_def,
6456         df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6457         df_lr_bb_local_compute, df_ur_bb_local_compute,
6458         df_chain_create_bb): Made subreg aware.
6459         (df_ru_bb_local_compute, df_rd_bb_local_compute,
6460         df_lr_bb_local_compute, df_lr_bb_local_compute,
6461         df_chain_create_bb): Cleanup to use proper macros.
6462         (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6463         code to fixup bitvectors.
6464         (df_ri_alloc): Cleared lifetime.
6465         (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6466         df_create_unused_note): New function.
6467         (df_ri_bb_compute, df_ri_compute): Added code to create/update
6468         REG_DEAD and REG_UNUSED notes as well as register information.
6469         (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6470         df_chains_dump): Fixed crash if problem was never run.
6471         (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6472         df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6473         df_ri_add_problem): Processes flags in uniform manner.
6474         (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6475         df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6476         df_rd_dump, df_urec_free_bb_info): Formatting changes.
6477         (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6478         df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6479         df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6480         df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6481         df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6482         df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6483         * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6484         * see.c (see_initialize_data): Ditto.
6485         * final.c (rest_of_clean_state) Added regstack_completed.
6486         * rtl.h (regstack_completed): Ditto.
6487         * reg-stack.c (regstack_completed): Ditto.
6488
6489 2006-05-19  Mike Stump  <mrs@apple.com>
6490
6491         * c-tree.h (default_conversion): Remove.
6492         * c-common.h (default_conversion): Add.
6493
6494 2006-05-19  Zdenek Dvorak <dvorakz@suse.cz>
6495
6496         * tree-vrp.c (valid_value_p): New function.
6497         (adjust_range_with_scev): Fail if the value of bound is not
6498         simple.
6499
6500 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
6501
6502         * config/mips/linux-unwind.h: Include <asm/unistd.h>
6503         (mips_fallback_frame_state): Use syscall numbers to determine
6504         the appropriate li instruction for the current ABI.  Only use
6505         __NR_sigreturn for o32.
6506
6507 2006-05-19  Nicolas Setton  <setton@adacore.com>
6508
6509         * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6510         * langhooks.c (lhd_dwarf_name): New function.
6511         * langhooks-def.h (lhd_dwarf_name): Declare.
6512         (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6513         * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6514         * ada/misc.c (gnat_dwarf_name): New function.
6515         (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6516
6517 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
6518
6519         * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6520         libgcc2.h.
6521         (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6522         MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
6523         LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6524         * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6525         Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6526         determine the size of Wtype, etc.
6527         * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6528         (swfloatfuncs): New variable.
6529         (dwfloatfuncs): Likewise.
6530         (lib2funcs): Remove floating-point conversion functions from
6531         initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
6532         the set of conversion routines needed.  Allow entries to specify
6533         an object name, filename and word size.  Update users accordingly.
6534         * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6535         * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6536
6537         Revert:
6538
6539         2006-02-08  Roger Sayle  <roger@eyesopen.com>
6540
6541         PR target/22209
6542         * config/fixtfdi.c: New libgcc source file.
6543         * config/fixunstfdi.c: New source file.
6544         * config/floatditf.c: New source file.
6545         * config/floatunditf.c: New souce file.
6546         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6547         files above instead of config/mips/_tilib.c.
6548         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6549
6550 2006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6551
6552         * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6553         * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6554
6555 2006-05-18  Mike Stump  <mrs@apple.com>
6556
6557         Fix up vla, vm and [*] sematics.
6558
6559         PR c/18740
6560         PR c/7948
6561         PR c/25802
6562         PR c/27673
6563         * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6564         (c_vla_unspec_p): Add.
6565         (c_vla_type_p): Add.
6566         * c-decl.c (struct c_scope): Add had_vla_unspec.
6567         (build_array_declarator): Add support for [*].
6568         (grokdeclarator): Likewise.
6569         (grokparms): Likewise.
6570         (get_parm_info): Likewise.
6571         * c-objc-common.c (c_vla_unspec_p): Likewise.
6572         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6573         * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6574         typeof when argument is a variably modified type not inside sizeof or alignof.
6575         (c_parser_direct_declarator_inner): Propagate errors.
6576         (c_parser_sizeof_expression): Add support for [*].
6577         (c_parser_parms_declarator): Initialize had_vla_unspec.
6578         (c_parser_parms_list_declarator): Likewise.
6579         * c-typeck.c (c_vla_type_p): Add.
6580         (composite_type): Add support for vla compositing.
6581         (comptypes_internal): Add support for vla compatibility.
6582         (c_expr_sizeof_expr): Evaluate vla arguments.
6583         * tree.c (variably_modified_type_p): Update comment for [*].
6584
6585 2006-05-18  Michael Matz  <matz@suse.de>
6586
6587         PR target/27599
6588         * config.host: Make assignments to host_xmake_file cumulative.
6589         * config.host (*-darwin*): Test $host, not $target.
6590
6591 2006-05-12  Stuart Hastings  <stuart@apple.com>
6592
6593         * config/i386/i386.opt (-mstackrealign): New flag.
6594         * config/i386/i386.c (force_align_arg_pointer): New attribute.
6595         (ix86_handle_cconv_attribute): Emit error when
6596         force_align_arg_pointer attribute collides with too many regparms.
6597         (ix86_function_regparm): Limit regparms when used with
6598         force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
6599         Support stack-realigning prologue in non-main functions.  Emit
6600         warning for nested functions under -mstackrealign, emit error for
6601         nested functions with force_align_arg_pointer attribute.
6602         * doc/extend.texi (force_align_arg_pointer): Document it.
6603         * doc/invoke.texi (-mstackrealign): Document it.
6604
6605 2006-05-17  Kazu Hirata  <kazu@codesourcery.com>
6606
6607         PR rtl-optimization/27477
6608         * combine.c (try_combine): Don't split a parallel consisting
6609         of two sets into two individual sets if both sets reference
6610         cc0.
6611
6612 2006-05-17  H.J. Lu  <hongjiu.lu@intel.com>
6613
6614         * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6615         * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6616
6617         * doc/options.texi (VarExists): Updated.
6618
6619 2006-05-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6620
6621         * unwind-dw2.c: Add declarations for uw_update_context and
6622         uw_frame_state_for.
6623         * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6624         detected, advance frame state and context once to skip over stub.
6625
6626 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
6627
6628         PR middle-end/20256
6629         PR middle-end/26435
6630         * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6631         Call rewrite_into_loop_closed_ssa only when something changed.
6632         * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6633         * lambda-code.c (can_convert_to_perfect_nest): Declared.
6634         (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6635         Test for perfect_nest_p here.  Fix formating.
6636         (replace_uses_equiv_to_x_with_y): Fix formating.
6637         (stmt_uses_op): Removed.
6638         (can_convert_to_perfect_nest): Removed loopivs parameter.
6639         Complete the test by checking the scalar dependences.
6640         (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6641         Fix formating.
6642
6643 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6644
6645         PR bootstrap/22541
6646         From Dan Kegel <dank@kegel.com>:
6647         * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6648
6649 2006-05-17  Eric Botcazou  <ebotcazou@adacore.com>
6650
6651         * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6652         if the element type is variably modified without recursing.
6653
6654 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
6655
6656         PR middle-end/27332
6657         * tree-loop-linear.c (try_interchange_loops): Test for
6658         no data dependences.
6659
6660 2006-05-17  Zdenek Dvorak <dvorakz@suse.cz>
6661
6662         PR tree-optimization/27548
6663         * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6664         range of ssa names that appear on abnormal edges.
6665         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6666         * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6667
6668 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6669
6670         PR middle-end/27620
6671         * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6672
6673 2006-05-17  Jakub Jelinek  <jakub@redhat.com>
6674
6675         PR middle-end/27415
6676         * tree.h (OMP_PARALLEL_COMBINED): Define.
6677         * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6678         (new_omp_context): Add is_combined_parallel argument.
6679         (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6680         new_omp_context caller.
6681         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6682         Adjust gimplify_scan_omp_clauses callers.
6683         (omp_is_private): Issue errors if iteration variable is firstprivate
6684         or reduction in the current context.
6685         * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6686         on combined parallel workshare constructs.
6687
6688 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6689
6690         * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6691         (gcc-options.o): New rule.
6692
6693         * optc-gen.awk: Protect variables for gcc-options.o with
6694         #ifdef GCC_DRIVER/#endif.
6695
6696 2006-05-16  Daniel Berlin <dberlin@dberlin.org>
6697
6698         Fix PR tree-optimization/27373
6699         * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6700          (forward_propagate_addr_expr): Update call.
6701
6702 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6703
6704         * doc/options.texi: Move the Negative option.
6705
6706 2006-05-16  Richard Guenther  <rguenther@suse.de>
6707
6708         PR tree-optimization/22303
6709         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6710         from STRING_CSTs.
6711         (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6712         ccp_fold did not simplify the statement.
6713
6714 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6715
6716         PR driver/26885
6717         * Makefile.in (GCC_OBJS): New.
6718         (OBJS-common): Add opts-common.o.
6719         (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6720         (cpp$(exeext)): Likewise.
6721         (gcc.o): Also depend on opts.h.
6722         (opts-common.o): New.
6723
6724         * common.opt (gcoff): Add Negative(gdwarf-2).
6725         (gdwarf-2): Add Negative(gstabs).
6726         (gstabs): Add Negative(gstabs+).
6727         (gstabs+): Add Negative(gvms).
6728         (gvms): Add Negative(gxcoff).
6729         (gxcoff): Add Negative(gxcoff+).
6730         (gxcoff+): Add Negative(gcoff).
6731         * config/i386/i386.opt (m32): Add Negative(m64).
6732         (m64): Add Negative(m32).
6733
6734         * doc/options.texi: Document the Negative option.
6735
6736         * gcc.c: Include "opts.h".
6737         (main): Call prune_options after expandargv.
6738
6739         * optc-gen.awk: Generate common declarations for all flag
6740         variables in options.c. Output the neg_index field.
6741
6742         * opts.c (find_opt): Moved to ...
6743         * opts-common.c: Here. New file.
6744
6745         * opts.h (cl_option): Add a neg_index field.
6746         (find_opt): New.
6747         (prune_options): Likewise.
6748
6749 2006-05-16  Jakub Jelinek  <jakub@redhat.com>
6750
6751         PR middle-end/27573
6752         * omp-low.c (expand_omp_parallel): Don't assert
6753         .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6754         instead search for it.
6755
6756         PR c/27499
6757         * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6758         is signed.
6759
6760 2006-05-16  Andreas Schwab  <schwab@suse.de>
6761
6762         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6763         defmac.
6764
6765 2006-05-15  Roger Sayle  <roger@eyesopen.com>
6766
6767         PR target/26600
6768         * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6769         integer constants other than zero are only legitimate on TARGET_64BIT.
6770         <CONST_VECTOR> Only zero vectors are legitimate.
6771         (ix86_cannot_force_const_mem): Integral and vector constants can
6772         always be put in the constant pool.
6773
6774 2006-05-16  DJ Delorie  <dj@redhat.com>
6775
6776         * crtstuff.c (__dso_handle): Set section from
6777         TARGET_LBIGCC_SDATA_SECTION if defined.
6778         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6779         * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6780
6781 2006-05-16  Danny Smith  <dannysmith@users.sourceforge.net>
6782
6783         PR target/27599
6784         * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6785         host_xmake_file.
6786
6787 2006-05-16  Ben Elliston  <bje@au.ibm.com>
6788
6789         * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6790
6791 2006-05-15  Per Bothner  <per@bothner.com>
6792
6793         * tree.c: (last_annotated_node): Use source_locus typedef.
6794         This permits bootstrapping with --enable-mapped-location.
6795
6796 2006-05-15  Zdenek Dvorak <dvorakz@suse.cz>
6797
6798         PR tree-optimization/26830
6799         * tree-into-ssa.c (struct ssa_name_info): Add age field.
6800         (info_for_ssa_name, current_info_for_ssa_name_age,
6801         blocks_to_update): New variables.
6802         (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6803         (clear_ssa_name_info, initialize_flags_in_bb,
6804         mark_block_for_update): New functions.
6805         (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6806         (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6807         prepare_def_site_for): Use mark_block_for_update.
6808         (mark_def_interesting): Assert that the processed block is marked in
6809         blocks_to_update.  Do not take blocks argument.
6810         (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6811         argument.
6812         (rewrite_update_init_block, rewrite_update_stmt): Only process
6813         blocks with statements to rewrite.
6814         (delete_update_ssa): Do not clear SSA_NAME_AUX.
6815         (update_ssa): Initialize and free blocks_to_update.  Do not
6816         clear flags on statements.  Do not use blocks bitmap.
6817         * tree.h (SSA_NAME_AUX): Removed.
6818         (struct tree_ssa_name): Removed aux field.
6819         * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6820
6821 2006-05-15  Richard Guenther  <rguenther@suse.de>
6822
6823         PR tree-optimization/27603
6824         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6825         Do computations in original type.
6826
6827 2006-05-15  Mircea Namolaru  <namolaru@il.ibm.com>
6828
6829         * see.c: Code style changes such as redundant paranthesis,
6830         redundant intialization of local variables etc.
6831         (see_main): Declared now as static.
6832         * doc/invoke.texi: Update that -fsee is not enabled by
6833         default at -O3.
6834
6835 2006-05-15  Jakub Jelinek  <jakub@redhat.com>
6836
6837         * omp-low.c (check_omp_nesting_restrictions): New function.
6838         (scan_omp_1): Call it.
6839
6840         PR middle-end/27416
6841         * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6842         construct, return *VAR.
6843
6844 2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
6845
6846         PR rtl-optimization/27406
6847         * bt-load.c (migrate_btr_def): Skip the block having abnormal
6848         edges.
6849
6850 2006-05-14  Roger Sayle  <roger@eyesopen.com>
6851
6852         PR rtl-optimization/27538
6853         * combine.c (expand_compound_operation): Call gen_lowpart
6854         before calling simplify_shift_const.
6855
6856 2006-05-14  Roger Sayle  <roger@eyesopen.com>
6857
6858         PR rtl-optimization/22563
6859         * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6860         a fixed width bitfield, always force the intermediates into psuedos.
6861
6862 2006-05-14  Bernhard Fischer  <aldot@gcc.gnu.org>
6863
6864         PR 27501
6865         * mkconfig.sh: Use operator = instead of == for test.
6866
6867 2006-05-13  Nick Clifton  <nickc@redhat.com>
6868
6869         * dwarf2out.c (dbx_reg_number): Check return value from
6870         LEAF_REG_REMAP and only use it if it is valid.
6871         (multiple_reg_loc_descriptor): Likewise.
6872
6873 2006-05-13  Richard Guenther  <rguenther@suse.de>
6874
6875         * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6876         host_xmake_file.
6877
6878 2006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
6879
6880         * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6881         information attached to non-INSNs such as NOTEs.
6882         (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6883
6884 2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6885
6886         * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6887         On contraint.
6888         * config/s390/s390.md: Adjust comment describing On constraint.
6889
6890 2006-05-11  Jan Hubicka  <jh@suse.cz>
6891
6892         * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6893         to be output at -O0.
6894
6895 2006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6896
6897         PR middle-end/27384
6898         * fold-const.c (size_binop): Move sanity check for arguments to
6899         the beginning of the function.
6900
6901         PR middle-end/27488
6902         * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6903         expression.
6904
6905 2006-05-11  Richard Guenther  <rguenther@suse.de>
6906
6907         PR middle-end/27529
6908         * fold-const.c (fold_unary): Handle intermediate conversion
6909         to a pointer type like intermediate conversion to an integer
6910         type in folding of (T1)(T2)var to var.
6911         Match the code to the comment in the final conversion for
6912         (T1)(T2)var to (T1)var regarding to type precision.  Rather
6913         than disallow T1 being of pointer type, assert that both T1
6914         and var are of pointer type or not.  Make sure not to fall
6915         over the frontends lazyness wrt array to pointer decay though.
6916
6917 2006-05-10  Richard Earnshaw  <rearnsha@arm.com>
6918
6919         * arm.c (arm_struct_value_rtx): Delete.
6920         (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6921         (arm_init_cumulative_args): Always initialize nregs to zero.
6922
6923 2006-05-10  Richard Guenther  <rguenther@suse.de>
6924
6925         PR tree-optimization/27532
6926         * tree-object-size.c (plus_expr_object_size): Fix typo.
6927
6928 2006-05-10  Kazu Hirata  <kazu@codesourcery.com>
6929
6930         PR target/24949
6931         * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6932         ashrdi_const, ashrdi3): Use a scratch register.
6933
6934 2006-05-10  Richard Guenther  <rguenther@suse.de>
6935
6936         PR tree-optimization/27302
6937         * fold-const.c (operand_equal_p): For two comparisons,
6938         try comparison of one comparison code swapped if that yields
6939         the same code.
6940
6941 2006-05-10  Ben Elliston  <bje@au.ibm.com>
6942
6943         * tree-pretty-print.c (pretty_print_string): No need to handle
6944         '\0' as a special character.
6945
6946         * tree.h: Include "hashtab.h".
6947         (iterative_hash_expr): Use hashval_t in its prototype.
6948         * Makefile.in (TREE_H): Add $(HASHTAB_H).
6949
6950 2006-05-09  Steve Ellcey  <sje@cup.hp.com>
6951
6952         PR bootstrap/26872
6953         * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6954         (hppa*64*-*-hpux11*): Ditto.
6955         (hppa[12]*-*-hpux11*): Ditto.
6956
6957 2006-05-09  David Edelsohn  <edelsohn@gnu.org>
6958
6959         PR target/26545
6960         * config/rs6000/aix41.h (TARGET_64BIT): Define.
6961
6962 2006-05-09  Michael Matz  <matz@suse.de>
6963
6964         * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6965         host_extra_gcc_objs and host_xmake_file.
6966         (<*-*-linux*>): Don't overwrite host_xmake_file.
6967         * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6968         * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6969         (host_detect_local_cpu): Declare.
6970         (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6971         * config/i386/i386.c (override_options): Handle -mtune=native
6972         as -mtune=generic.
6973         * config/i386/x-i386: New file.
6974         * config/i386/driver-i386.c: New file.
6975         * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6976         cpu-type "native".
6977
6978 2006-05-09  Dirk Mueller  <dmueller@suse.de>
6979         Richard Guenther  <rguenther@suse.de>
6980
6981         PR middle-end/27498
6982         * fold-const.c (fold_read_from_constant_string): Relax check
6983         for matching types to matching modes.
6984
6985 2006-05-09  Zdenek Dvorak <dvorakz@suse.cz>
6986
6987         PR rtl-optimization/27335
6988         * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6989         loops.
6990
6991 2006-05-08  Chao-ying Fu  <fu@mips.com>
6992             Richard Sandiford  <richard@codesourcery.com>
6993
6994         * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6995         (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6996         * config/mips/mips.md (UNSPEC_SCC): New constant.
6997         * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6998         * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6999         (mips_emit_compare): Use it.
7000         (mips_expand_vcondv2sf): New function.
7001
7002 2006-05-08  Daniel Berlin  <dberlin@dberlin.org>
7003
7004         Fix PR tree-optimization/27093
7005         * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7006         renaming when they become not-used_alone.
7007
7008 2006-05-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7009
7010         * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7011         relocation and relocation stubs.
7012
7013 2006-05-08  Eric Christopher  <echristo@apple.com>
7014
7015         * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7016         section for ppc.
7017
7018 2006-05-08  Jan Hubicka  <jh@suse.cz>
7019
7020         PR middle-end/24561
7021         * cgraphunit.c (decide_is_function_needed): When not optimizing even
7022         unused static functions are needed.
7023
7024 2006-05-08  Roger Sayle  <roger@eyesopen.com>
7025
7026         PR target/27158
7027         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7028         of a reg_equiv_constant if the result is a legitimate constant.
7029
7030 2006-05-08  Uros Bizjak  <uros@kss-loka.si>
7031
7032         PR target/27277
7033         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7034         standard 80387 constants, raise the cost to prevent
7035         compress_float_constant() to generate load from memory.
7036
7037 2006-05-08  Kazu Hirata  <kazu@codesourcery.com>
7038
7039         * config/arm/constraints.md (c): Fix a typo.
7040
7041         * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7042         typos.
7043
7044 2006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
7045
7046         PR target/24879
7047         * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7048         inline function.
7049         (_mm_mwait): Likewise.
7050
7051         * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7052         "mwait".
7053         (sse3_monitor): Make it 32bit only.
7054         (sse3_monitor64): New. 64bit monitor.
7055
7056 2006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7057
7058         PR target/27421
7059         * config/i386/i386.c (classify_argument): Skip fields with invalid
7060         types.
7061
7062 2006-05-07  Richard Guenther  <rguenther@suse.de>
7063
7064         PR tree-optimization/27409
7065         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7066         Do not try to find zero-sized subvars.
7067
7068 2006-05-07  Richard Guenther  <rguenther@suse.de>
7069
7070         PR tree-optimization/27136
7071         * tree-ssa-loop-niter.c (get_val_for): Correct function
7072         comment, assert requirements.
7073         (loop_niter_by_eval): Stop processing if the iterated
7074         value did not simplify.
7075
7076 2006-05-07  Mircea Namolaru  <namolaru@il.ibm.com>
7077
7078         * opts.c (flag_see): remove its setting at -O3.
7079
7080 2006-05-07  Richard Earnshaw  <rearnsha@arm.com>
7081
7082         * genpeep.c (main): Make insn-peep.c depend on flags.h.
7083         * arm/constraints.md: New file.
7084         * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7085         (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7086         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7087         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7088         (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7089         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7090         * arm.md: Include constraints.md.
7091         (thumb_movsi_insn): Use satisfies_constraint_J.
7092         (movhi, movqi): Use satisfies_constraint_I.
7093
7094 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7095
7096         * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7097         for atmeg a645 device.
7098
7099 2006-05-06   Richard Guenther  <rguenther@suse.de>
7100
7101         PR tree-optimization/27151
7102         * tree-vect-transform.c (vectorizable_condition): Punt on
7103         values that have a different type than the condition.
7104
7105 2006-05-03  Aldy Hernandez  <aldyh@redhat.com>
7106
7107         PR/21391
7108         * c-parser.c (c_parser_cast_expression): Only insert casts into
7109         hash table if pointer.
7110         * function.c (used_types_insert_helper): Rename from
7111         used_types_insert.
7112         (used_types_insert): Call used_types_insert_helper.
7113         * function.h (used_types_insert): Accept only one argument.
7114
7115 2006-05-05  David Edelsohn  <edesohn@gnu.org>
7116
7117         * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7118         scratch with output modifier.
7119
7120 2006-05-04  David Edelsohn  <edelsohn@gnu.org>
7121
7122         PR target/26481
7123         * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7124         with output modifier.
7125
7126 2006-05-04  Richard Sandiford  <richard@codesourcery.com>
7127
7128         PR target/26765
7129         * config/mips/mips.c (mips_symbolic_address_p): Return true
7130         for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7131         SYMBOL_GOTTPREL, and SYMBOL_TLS.
7132
7133 2006-05-04  Richard Guenther  <rguenther@suse.de>
7134
7135         PR tree-optimization/14287
7136         PR tree-optimization/14844
7137         PR tree-optimization/19792
7138         PR tree-optimization/21608
7139         PR tree-optimization/27090
7140         * tree-ssa-pre.c (try_combine_conversion): New function.
7141         (compute_avail): After constructing the value-handle
7142         expression, use try_combine_conversion to combine NOP_EXPRs
7143         with previous value-handle expressions and use the result if it
7144         is available.
7145
7146 2006-05-04  Joseph S. Myers  <joseph@codesourcery.com>
7147
7148         * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7149
7150 2006-05-04  Jan Hubicka  <jh@suse.cz>
7151
7152         PR middle-end/25962
7153         * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7154
7155 2006-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
7156
7157         * config/bfin/predicates.md (const01_rtx): Tell generator programs
7158         that this only matches CONST_INTs.  All users changed to VOIDmode
7159         operands.
7160
7161         * config/bfin/bfin.c: Include "optabs.h".
7162         (bfin_rtx_costs): Some costs for vector operations, to allow combine
7163         to do more work.
7164         (enum bfin_builtins): Add a number of fractional and vector builtins.
7165         (bfin_init_builtins): Likewise.
7166         (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7167         (safe_vector_operand, bfin_expand_binop_builtin,
7168         bfin_expand_unop_builtin): New functions.
7169         (bfin_expand_builtin): Handle the new builtins.
7170         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7171         __ADSPBLACKFIN__.
7172
7173 2006-05-04  Leehod Baruch  <leehod@il.ibm.com>
7174
7175         * see.c: New file.
7176         * Makefile.in (OBJS-common): Add see.o.
7177         (see.o): Add dependencies.
7178         * common.opt (fsee): New flag for the see optimization was added.
7179         * opts.c (flag_see): Initialized.
7180         * passes.c (init_optimization_passes, pass_see): New pass.
7181         * rtl.h (see_main): Declaration as extern.
7182         * timevar.def (TV_SEE): New.
7183         * tree-pass.h (pass_see): Declaration as extern.
7184         * invoke.texi (-fsee): Document.
7185         * recog.c (validate_simplify_insn): New function.
7186         * recog.h (validate_simplify_insn): Declaration as extern.
7187         * df-problems.c (df_chain_dump): Check for NULL.
7188
7189 2006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
7190             Daniel Berlin  <dberlin@dberlin.org>
7191
7192         * cfgrtl.c (insert_insn_bb_end_new): New function.
7193         * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7194
7195 2006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>
7196
7197         * df.h (struct web_entry): Moved from web.c.
7198         (union_defs): Declaration as extern.
7199         (unionfind_root): Likewise.
7200         (unionfind_union): Likewise.
7201         * web.c (struct web_entry): Moved to df.h.
7202         (unionfind_root): Remove static declaration.
7203         (unionfind_union): Likewise.
7204         (union_defs): Likewise and generalize to use callback function.
7205         (web_main): Update arguments for union_defs function call.
7206
7207 2006-05-04  Richard Guenther  <rguenther@suse.de>
7208
7209         PR tree-optimization/26447
7210         * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7211         produce SSA_NAME copies before the store stmt to avoid
7212         breaking exception handling.
7213
7214 2006-05-04  Jakub Jelinek  <jakub@redhat.com>
7215
7216         PR middle-end/27388
7217         * gimplify.c (omp_is_private): If var is shared in some outer context,
7218         return false instead of true.  Stop searching on parallel context
7219         boundary.
7220
7221 2006-05-03  Alexandre Oliva  <aoliva@redhat.com>
7222
7223         PR java/8260
7224         * coverage.c: Use get_gcov_unsigned_t() instead of
7225         unsigned_type_node all over.
7226
7227 2006-05-02  Andrew MacLeod  <amacleod@redhat.com>
7228
7229         PR tree-optimization/27381
7230         * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7231         maintain the same immediate_use links.
7232         * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7233         node rather than segfaulting.
7234
7235 2006-05-03  Jakub Jelinek  <jakub@redhat.com>
7236
7237         PR fortran/27395
7238         * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7239         rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
7240         bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7241
7242 2006-05-02  Daniel Berlin  <dberlin@dberlin.org>
7243
7244         Fix PR tree-optimization/26626
7245         * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7246         always.
7247         * tree-ssa-operands.c (access_can_touch_variable): Allow
7248         typecasting through union pointers.
7249
7250 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
7251
7252         PR c++/26943
7253         * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7254         (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7255         to find if var will be a global variable even in the nested context.
7256         (omp_copy_decl): Only check for global variable at the end, it might
7257         be overridden in outer contexts.
7258         (scan_sharing_clauses): For global variables don't create a field.
7259         (lower_rec_input_clauses): Do nothing for global shared variables.
7260         Emit a barrier at the end of ILIST if there were any decls in both
7261         firstprivate and lastprivate clauses.
7262         (lower_send_clauses): Do nothing for global variables except for
7263         COPYIN.
7264
7265 2006-05-02  Zdenek Dvorak <dvorakz@suse.cz>
7266
7267         * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7268         of the correct signedness is returned.
7269
7270 2006-05-02  Jeff Law  <law@redhat.com>
7271
7272         PR tree-optimization/27364
7273         * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7274         multiply expressions.
7275
7276 2006-05-02  Tom Tromey  <tromey@redhat.com>
7277
7278         * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7279
7280 2006-05-02  Kazu Hirata  <kazu@codesourcery.com>
7281
7282         PR target/27387
7283         * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7284         -mthumb -fPIC are used.
7285
7286 2006-05-02  Stanislaw Skowronek  <skylark@linux-mips.org>
7287             Joshua Kinard  <kumba@gentoo.org>
7288
7289         PR target/25871
7290         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7291         with 64-bit pointers.
7292
7293 2006-05-02  Paul Brook  <paul@codesourcery.com>
7294
7295         * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7296         and pool overlap.
7297         (create_fix_barrier): Check that a suitable barrier location is
7298         found.
7299         (arm_reorg): Include ftmp->address in allowable range of addresses.
7300
7301 2006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
7302
7303         PR ada/27366
7304         * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7305         on Cygwin.
7306
7307 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
7308
7309         PR middle-end/27337
7310         * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7311         around RESULT_DECL for result passed by reference.
7312         (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7313         * omp-low.c (use_pointer_for_field): Don't look at
7314         DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7315         (scan_omp_1): Call remap_decl on RESULT_DECLs.
7316         (lower_rec_input_clauses): Don't allocate VLA memory for the second
7317         time or var for passing by reference for
7318         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
7319         TREE_ADDRESSABLE variables when passing by reference.
7320
7321         * omp-low.c (dump_omp_region): Fix output formatting.
7322
7323         PR middle-end/27328
7324         * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7325         (expand_omp_parallel): Likewise.
7326         * tree-cfg.c (move_sese_region_to_fn): Likewise.
7327
7328         PR middle-end/27325
7329         * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7330         on statement list containing also constructors and destructors.
7331         (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7332
7333         PR middle-end/27310
7334         * except.c (duplicate_eh_regions): Fix clearing of
7335         cfun->eh->region_array entries.
7336
7337 2006-05-01  DJ Delorie  <dj@redhat.com>
7338
7339         * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7340         build!=host.
7341         (gcc_cv_objdump): Likewise.
7342         * configure: Regenerated.
7343
7344 2006-05-01  Kazu Hirata  <kazu@codesourcery.com>
7345
7346         PR target/27374
7347         * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7348         templates for case 3 and 4.
7349
7350 2006-05-01  DJ Delorie  <dj@redhat.com>
7351
7352         * vec.c: Include bconfig.h when appropriate.
7353         * Makefile.in (build/vec.o): Adjust dependencies.
7354         * mkconfig.sh: Make sure config.h isn't used for build machine
7355         compiles.
7356
7357 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7358
7359         * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7360         variables.
7361         (mark_phi_for_rewrite): New function.
7362         (insert_phi_nodes_for, mark_use_interesting): Call
7363         mark_phi_for_rewrite.
7364         (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7365         (update_ssa): Initialize and free phis_to_rewrite.
7366
7367 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7368
7369         PR rtl-optimization/27291
7370         * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7371         folded to a constant.
7372
7373 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7374
7375         PR tree-optimization/27283
7376         * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7377         not whole # of iteration descriptions.
7378         (niter_for_exit): Return just # of iterations.  Fail if # of iterations
7379         uses abnormal ssa name.
7380         (niter_for_single_dom_exit): Ditto.
7381         (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7382         return just the number of iterations.
7383
7384 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7385
7386         PR tree-optimization/27144
7387         * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7388         (record_estimate): Only record constant upper bound.
7389         (infer_loop_bounds_from_undefined): Call
7390         compute_estimated_nb_iterations just once.
7391         (proved_non_wrapping_p): Renamed to ...
7392         (n_of_executions_at_most): ... this.  Expect bound to be a constant.
7393         (convert_step_widening, scev_probably_wraps_p): Call
7394         n_of_executions_at_most instead of proved_non_wrapping_p.
7395         (substitute_in_loop_info): Do not replace values in bounds.
7396         * cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
7397         comments.
7398
7399 2006-05-01  Richard Henderson  <rth@redhat.com>
7400
7401         PR c/27358
7402         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7403         c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
7404         CPP_PRAGMA.
7405
7406 2006-05-01  Roger Sayle  <roger@eyesopen.com>
7407
7408         * c-typeck.c (parser_build_binary_op): Don't call the function
7409         unsigned_conversion_warning to spot operand/result type overflow.
7410         (build_binary_op): Instead, call convert_and_check instead of
7411         convert to report the problem when the operands are promoted.
7412         * c-common.c (unsigned_conversion_warning): Make static.
7413         * c-common.h (unsigned_conversion_warning): Delete prototype.
7414
7415 2006-05-01  Richard Guenther  <rguenther@suse.de>
7416
7417         PR tree-optimization/26726
7418         * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7419         problem ...
7420         (find_interesting_uses_address): ... we work around here
7421         by folding INDIRECT_REFs in the substituted base.
7422
7423 2006-05-01  Diego Novillo  <dnovillo@redhat.com>
7424
7425         * omp-low.c (dump_omp_region): Add newlines.
7426
7427 2006-04-30  Roger Sayle  <roger@eyesopen.com>
7428
7429         * common.opt (Woverflow): New command line option.
7430         * c-common.c (constant_expression_warning): Check warn_overflow.
7431         (overflow_waring): Pass OPT_Woverflow to warning.
7432         (unsigned_conversion_warning): Likewise.
7433         (convert_and_check): Likewise.
7434         * doc/invoke.texi: Document new command line option.
7435
7436 2006-04-30  David Edelsohn  <edelsohn@gnu.org>
7437
7438         * config/rs6000/rs6000.c (rs6000_override_options): Enable
7439         TARGET_NO_FP_IN_TOC for section anchors.
7440         (optimization_options): Enable section anchors for all
7441         non-"Objective" languages.
7442
7443 2006-04-28  Eric Christopher  <echristo@apple.com>
7444
7445         * config/darwin-c.c (darwin_ms_struct): Move this
7446         (darwin_set_default_type_attributes): and this...
7447         * config/darwin.c: ... here.
7448         * config/darwin.h (darwin_ms_struct): Declare.
7449
7450 2006-04-28  Andrew MacLeod  <amacleod@redhat.com>
7451
7452         * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7453
7454 2006-04-28  Roger Sayle  <roger@eyesopen.com>
7455
7456         PR c/25309
7457         * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7458         (push_array_bounds): Delete prototype.  Change BOUNDS argument to
7459         an unsigned HOST_WIDE_INT.
7460         (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7461         array index.
7462         (really_start_incremental_init): No need to call convert because
7463         bitsize_zero_node is already of type bitsizetype.
7464         (push_init_level): Extract the value of constructor_index as an
7465         unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7466         (process_init_element): Likewise.
7467
7468 2006-04-28  Joseph S. Myers  <joseph@codesourcery.com>
7469
7470         * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7471         value before passing to make_relative_prefix.
7472
7473 2006-04-28  Alan Modra  <amodra@bigpond.net.au>
7474
7475         PR middle-end/27260
7476         * builtins.c (expand_builtin_memset): Expand val in original mode.
7477
7478 2006-04-27  Eric Christopher  <echristo@apple.com>
7479
7480         * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7481         with #ifndef/#endif.
7482         * config/darwin-c.c (darwin_ms_struct): New.
7483         (darwin_pragma_ms_struct): Ditto.
7484         (darwin_set_default_type_attributes): Ditto.
7485         * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7486         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7487         Register ms_struct pragma.
7488         * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7489         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7490         * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7491         darwin_set_default_type_attributes if TARGET_MACHO.
7492
7493 2006-04-27  Andrew MacLeod  <amacleod@redhat.com>
7494
7495         PR tree-optimization/26854
7496         * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7497         * doc/tree-ssa.texi: Update immuse iterator documentation.
7498         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7499         * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7500         * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7501         first_safe_imm_use, next_safe_imm_use): Remove.
7502         (end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
7503         (end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
7504         (move_use_after_head): New.  Helper function to sort immuses in a stmt.
7505         (link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
7506         (first_imm_use_stmt): New.  Get first stmt in an immuse list.
7507         (next_imm_use_stmt): New.  Get next stmt in an immuse list.
7508         (first_imm_use_on_stmt): New.  Get first immuse on a stmt.
7509         (end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
7510         (next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
7511         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7512         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7513         (perfect_nestify): Use new iterator.
7514         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7515         iterator.
7516         * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7517         (next_imm_name): New field in struct immediate_use_iterator_d.
7518         (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7519         (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7520         FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7521         * tree-cfg.c (replace_uses_by): Use new iterator.
7522         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7523         * tree-ssa-operands.c (correct_use_link): Remove.
7524         (finalize_ssa_use_ops): No longer call correct_use_link.
7525
7526 2006-04-27  Stuart Hastings  <stuart@apple.com>
7527
7528         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7529         * config/t-darwin (crt3.o): Use it.
7530         * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7531         'pmode', use Pmode instead of SImode for SYMBOL_REF.
7532         * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7533         call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7534         call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7535         support.
7536
7537 2006-04-27  Roger Sayle  <roger@eyesopen.com>
7538
7539         * expmed.c (store_fixed_bit_field): If we're not optimizing for
7540         size, force the intermediate into a new pseudo rather instead of
7541         performing both a bitwise AND and a bitwise IOR in memory.
7542
7543 2006-04-27  Richard Guenther  <rguenther@suse.de>
7544
7545         PR rtl-optimization/26685
7546         * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7547         this one "max-flow-memory-locations".
7548
7549 2006-04-27  Richard Guenther  <rguenther@suse.de>
7550
7551         PR tree-optimization/25148
7552         * tree-vrp.c (compare_values): Remove code dealing with
7553         comparisons against type min/max value.  Honour overflow
7554         and negative constants in code dealing with comparisons
7555         of plus and minus expressions.
7556         (value_inside_range): Use fold_binary with LE_EXPR and
7557         GE_EXPR rather than compare_values.
7558
7559 2006-04-27  Dirk Mueller  <dmueller@suse.de>
7560
7561         * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7562         prototype for SSE.
7563
7564 2006-04-26  Kenneth Zadeck <zadeck@naturalbridge.com>
7565
7566         * basic-block.h (safe_insert_insn_on_edge): Removed.
7567         * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7568
7569 2006-04-26  David Edelsohn  <edelsohn@gnu.org>
7570             Paolo Bonzini  <bonzini@gnu.org>
7571
7572         PR middle-end/27282
7573         * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7574         (simplify_and_const_int): Same.
7575
7576 2006-04-26  Aldy Hernandez  <aldyh@redhat.com>
7577
7578         * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7579
7580 2006-04-26  Jakub Jelinek  <jakub@redhat.com>
7581
7582         PR c/26171
7583         * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7584         cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7585         cgraph_global_info_ready.
7586
7587         PR middle-end/26913
7588         * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7589
7590         PR c/25996
7591         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7592         either decl or init is error_mark_node.
7593
7594         PR middle-end/25989
7595         * tree-flow.h (struct omp_region): Add sched_kind.
7596         * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7597         instead of extracting omp for data.
7598         (expand_omp_for): Save extracted sched_kind.
7599
7600 2006-04-25  Roger Sayle  <roger@eyesopen.com>
7601
7602         * expmed.c (store_bit_field): Also check whether the bitsize is
7603         valid for the machine's "insv" instruction before moving the
7604         target into a pseudo for use with the insv.
7605         * config/i386/predicates.md (const8_operand): New predicate.
7606         * config/i386/i386.md (extv, extzv, insv): Use the new
7607         const8_operand predicate where appropriate.
7608
7609 2006-04-25  DJ Delorie  <dj@redhat.com>
7610
7611         * doc/install.texi (Specific): Clarify that this is not a list of
7612         supported hosts or targets.
7613
7614 2006-04-25  Richard Sandiford  <richard@codesourcery.com>
7615
7616         PR rtl-optimization/26725
7617         * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7618         block's BB_DIRTY flag.
7619
7620 2006-04-25  Geoffrey Keating  <geoffk@apple.com>
7621
7622         * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7623         are no branches.
7624
7625         * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7626         to print an integer.
7627
7628 2006-04-25  David Edelsohn  <edelsohn@gnu.org>
7629
7630         * varasm.c (align_variable): New function.
7631         (get_block_for_decl): Apply align_variable to DECL before
7632         calculating section information.
7633         (assemble_variable): Split out alignment computation.
7634
7635 2006-04-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7636
7637         * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7638         machines.
7639
7640 2006-04-25  Bernd Schmidt  <bernd.schmidt@analog.com>
7641
7642         * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7643         MODE_PARTIAL_INT mode.
7644         * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7645         * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7646         for CONST_INTs.
7647         (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7648         * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7649         V2PDImode.
7650         * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7651         New predicates.
7652         * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7653         New constants.
7654         (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7655         MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7656         MACFLAG_IH): Likewise.
7657         (movstricthi_1): Renamed from "*movstricthi".
7658         (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7659         ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7660         abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7661         movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7662         movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7663         movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7664         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7665         sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7666         addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7667         mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7668         ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7669         flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7670         flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7671         flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7672         flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7673
7674         * doc/rtl.texi (ss_ashift): Improve wording.
7675
7676 2006-04-24  Geoffrey Keating  <geoffk@apple.com>
7677
7678         * dwarf2out.c (verify_marks_clear): New.
7679         (prune_unused_types): Call verify_marks_clear initially, not
7680         prune_unmark_dies.
7681
7682 2006-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
7683
7684         * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7685         * doc/rtl.texi: Document them.
7686         * simplify-rtx.c (simplify_unary_operation,
7687         simplify_binary_operation_1): Don't abort when we see them.
7688
7689 2006-04-24  Mark Mitchell  <mark@codesourcery.com>
7690
7691         Revert:
7692         2006-04-23  Mark Mitchell  <mark@codesourcery.com>
7693         * configure.ac: Completely disregard languages that are not
7694         enabled.
7695         * configure: Regenerated.
7696
7697 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
7698         Richard Guenther  <rguenther@suse.de>
7699
7700         PR tree-optimization/27236
7701         * tree-inline.c (copy_body_r): Make sure to copy
7702         TREE_THIS_VOLATILE flag.
7703
7704 2006-04-24  Richard Guenther  <rguenther@suse.de>
7705
7706         PR middle-end/26869
7707         * tree-complex.c (update_parameter_components): Don't handle
7708         unused parameters which have no default def.
7709
7710 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
7711         Richard Guenther  <rguenther@suse.de>
7712
7713         PR tree-optimization/27218
7714         * tree-inline.c (expand_call_inline): Strip useless type
7715         conversions for the return slot address.
7716
7717 2006-04-24  Richard Guenther  <rguenther@suse.de>
7718
7719         * cfgloop.h (struct loops): Remove unused field array.  Reorder
7720         state after num.
7721         (LOOP_PREFETCH): Remove.
7722
7723 2006-04-24  Richard Guenther  <rguenther@suse.de>
7724
7725         PR tree-optimization/22525
7726         * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7727         variable, adjust types of generated expressions.
7728
7729 2006-04-23  H.J. Lu  <hongjiu.lu@intel.com>
7730
7731         * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7732         (tree-vect-patterns.o): Likewise.
7733         (jump.o): Likewise.
7734         (cselib.o): Likewise.
7735         (loop-doloop.o): Likewise.
7736         (regclass.o): Likewise.
7737         (reload1.o): Likewise.
7738         (explow.o): Replace target.h with $(TARGET_H).
7739         (ipa-prop.o): Likewise.
7740         (ipa-cp.o): Likewise.
7741         (ipa-inline.o): Likewise.
7742         (reorg.o): Likewise.
7743         (reg-stack.o): Likewise.
7744
7745 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
7746
7747         * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7748
7749 2006-04-23  Mark Mitchell  <mark@codesourcery.com>
7750
7751         * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7752
7753         * configure.ac: Completely disregard languages that are not
7754         enabled.
7755         * configure: Regenerated.
7756
7757         PR c++/26534
7758         * c-common.h (c_build_bitfield_integer_type): Declare.
7759         * c-decl.c (c_build_bitfield_integer_type): Move to ...
7760         * c-common.c (c_build_bitfield_integer_type): ... here.
7761
7762 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7763
7764         PR target/21283
7765         * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7766         a SImode SUBREG of a floating point register after no_new_pseudos.
7767
7768 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7769
7770         * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7771         identify potentially eliminable registers to additionally catch
7772         VIRTUAL_INCOMING_ARGS_REGNUM.
7773         (addsi3): Update the conditions on when to use addsi_small_int.
7774
7775 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7776
7777         PR target/16641
7778         * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7779         STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7780         rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7781
7782 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
7783
7784         * fold-const.c (range_predecessor): Use operand_equal_p
7785         as the predicate for equality.
7786         (range_successor): Likewise.
7787
7788 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
7789
7790         Revert:
7791         * config/soft-fp/op-common.h: Fix a typo.
7792
7793 2006-04-22  Frank Ch. Eigler  <fche@redhat.com>
7794
7795         PR libmudflap/26864
7796         * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7797         * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7798
7799 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
7800
7801         * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7802         Fix comment typos.
7803         * doc/tm.texi: Fix a typo.
7804
7805 2006-04-21  Geoffrey Keating  <geoffk@apple.com>
7806
7807         * dwarf2out.c (struct die_struct): Document that die_sib makes
7808         a circular linked list.
7809         (FOR_EACH_CHILD): New.
7810         (reverse_die_lists): Delete.
7811         (reverse_all_dies): Delete.
7812         (add_dwarf_attr): Correct documentation.
7813         (remove_child_with_prev): New.
7814         (remove_child_TAG): Update for change to die_struct, use
7815         remove_child_with_prev.
7816         (add_child_die): Update for change to die_struct.
7817         (splice_child_die): Use remove_child_with_prev and add_child_die.
7818         (print_die): Use FOR_EACH_CHILD.
7819         (die_checksum): Likewise.
7820         (assign_symbol_names): Likewise.
7821         (output_location_lists): Likewise.
7822         (build_abbrev_table): Likewise.
7823         (calc_die_sizes): Likewise.
7824         (mark_dies): Likewise.
7825         (unmark_dies): Likewise.
7826         (unmark_all_dies): Likewise.
7827         (output_die): Likewise.
7828         (prune_unused_types_mark): Likewise.
7829         (prune_unused_types_walk): Likewise.
7830         (same_die_p): Update for change to die_struct.
7831         (break_out_includes): Likewise.
7832         (prune_unused_types_prune): Likewise.
7833         (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7834         (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7835         it's already clear.
7836         (dwarf2out_finish): Don't call reverse_all_dies.
7837
7838 2006-04-21  Eric Christopher  <echristo@apple.com>
7839
7840         * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7841         in comments and function names.
7842
7843 2006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7844
7845         PR c/25875
7846         * c-typeck.c (digest_init): Robustify.
7847
7848         * c-typeck.c (pop_init_level): Simplify.
7849
7850 2006-04-21  Steve Ellcey  <sje@cup.hp.com>
7851
7852         * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7853
7854 2006-04-21  Paul Brook  <paul@codesourcery.com>
7855
7856         * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7857         hardware floating point.
7858
7859 2006-04-21  David Edelsohn  <edelsohn@gnu.org>
7860
7861         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7862         NON_FLOAT_REGS.
7863
7864 2006-04-21  Nick Clifton  <nickc@redhat.com>
7865
7866         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7867         OPT_EXTRA_PARTS.
7868
7869 2006-04-21  Alan Modra  <amodra@bigpond.net.au>
7870
7871         PR target/27230
7872         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7873         C++ lang type in traceback table for Objective-C++.
7874
7875         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7876
7877 2006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
7878
7879         * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7880
7881 2006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7882
7883         PR mudflap/26789
7884         * tree-mudflap.c (mudflap_finish_file): Skip function when there
7885         were errors.  Remove check for erroneous objects.
7886
7887 2006-04-20  Jeff Law  <law@redhat.com>
7888
7889         PR tree-optimization/26854
7890         * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7891         checking for zero or one use.
7892         * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7893         * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7894         * tree-ssa-reassoc.c (negate_value): Similarly.
7895         (reassociate_bb): Similarly.
7896
7897 2006-04-20  Jakub Jelinek  <jakub@redhat.com>
7898
7899         * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7900         TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7901         than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7902
7903 2006-04-20  Alan Modra  <amodra@bigpond.net.au>
7904
7905         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7906         fp regs if the last fp arg doesn't fit in regs.
7907
7908 2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7909
7910         PR target/27182
7911         * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7912         that the last insn has the REG_INC note.
7913
7914 2006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
7915             Nathan Sidwell  <nathan@codesourcery.com>
7916
7917         PR c/26774
7918         * stor-layout.c (update_alignment_for_field): Do not align
7919         ERROR_MARK nodes.
7920         (place_union_field): Place union field at the start of the union.
7921         (place_field): Move ERROR_MARK check later, and use the current
7922         allocation position to maintain monotonicity.
7923
7924 2006-04-19  Zdenek Dvorak <dvorakz@suse.cz>
7925
7926         * dominance.c: Include timevar.h.
7927         (calculate_dominance_info): Use TV_DOMINANCE.
7928         * timevar.def (TV_DOMINANCE): New timevar.
7929         * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7930
7931 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7932
7933         PR rtl-optimization/14261
7934         * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7935         move would be an INSV insn.
7936         (noce_process_if_block): Don't optimize if the destination is a
7937         ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7938
7939 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7940
7941         * config/s390/s390.md: Add comments with the instructions emitted
7942         by an insn pattern if macros are used.
7943
7944 2006-04-19  Alan Modra  <amodra@bigpond.net.au>
7945
7946         PR rtl-optimization/26026
7947         * fold-const.c (fold_binary): Optimize div and mod where the divisor
7948         is a known power of two shifted left a variable amount.
7949
7950 2006-04-18  Geoffrey Keating  <geoffk@apple.com>
7951
7952         * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7953         to hash table twice when the debug_str section has SECTION_MERGE.
7954
7955 2006-04-18  Joseph S. Myers  <joseph@codesourcery.com>
7956
7957         * config/soft-fp: New directory.  From glibc.
7958         * config/soft-fp/t-softfp: New.
7959         * config/soft-fp/README: New.
7960         * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7961         * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7962         (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7963         (LIBGCC_DEPS): Add $(SFP_MACHINE).
7964         * config.gcc: Use rs6000/t-fprules-fpbit or
7965         rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7966         rs6000/t-fprules.
7967         * config/rs6000/sfp-machine.h: New.  Based on glibc.
7968         * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7969         New.
7970         * config/rs6000/t-fprules: Remove fp-bit rules.
7971         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7972         * config/rs6000/t-linux64: Likewise.  Remove duplicates from
7973         LIB2FUNCS_EXTRA.  Remove fp-bit rules.
7974         (softfp_wrap_start, softfp_wrap_end): New.
7975
7976 2006-04-18  DJ Delorie  <dj@redhat.com>
7977
7978         * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7979
7980 2006-04-18  Devang Patel  <dpatel@apple.com>
7981
7982         * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7983
7984 2006-04-18  Nick Clifton  <nickc@redhat.com>
7985
7986         * config/sh/t-symbian: Add rule to build sh-c.o
7987         * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7988         of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7989         (sh_symbian_encode_section_info): Likewise.
7990
7991 2006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>
7992
7993         * builtins.c (expand_builtin_strcmp): Cover label definition of
7994         do_libcall with HAVE_cmpstrnsi.
7995
7996 2006-04-18  Kazu Hirata  <kazu@codesourcery.com>
7997
7998         * function.c (temp_slots_at_level, max_slot_level): Use VEC
7999         instead of VARRAY.
8000         * function.h (temp_slot_p): New.
8001         (function): Change the type of x_used_temp_slots to
8002         VEC(temp_slot_p,gc) *.
8003
8004 2006-04-18  Nick Clifton  <nickc@redhat.com>
8005
8006         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8007         flag_strength_reduce.
8008
8009         * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8010
8011 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
8012
8013         PR target/27117
8014
8015         Partial revert of revision 112637
8016         2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
8017                     Dale Johannesen  <dalej@apple.com>
8018
8019         PR target/19653
8020         * regclass.c (struct reg_pref): Update documentation.
8021         (regclass): Set prefclass to NO_REGS if memory is the best option.
8022         (record_reg_classes): Cope with a prefclass set to NO_REGS.
8023
8024 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
8025
8026         PR tree-optimization/26821
8027         * tree-ssa-math-opts.c (get_constant_one): New.
8028         (insert_reciprocals): Use it.
8029
8030 2006-04-17  Geoffrey Keating  <geoffk@apple.com>
8031
8032         * dwarf2out.c (free_AT): Delete.
8033         (remove_AT): Update string ref counts.
8034         (remove_child_TAG): Don't call free_die.
8035         (free_die): Delete.
8036         (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8037         or DW_TAG_GNU_EINCL.
8038         (prune_unused_types_walk_attribs): Reset string refcounts.
8039         (prune_unused_types_update_strings): New.
8040         (prune_unused_types_prune): Don't make unnecessary stores.  Don't
8041         call free_die.  Do call prune_unused_types_update_strings.
8042         (prune_unused_types): Empty debug_str_hash.
8043
8044 2006-04-17  Roger Sayle  <roger@eyesopen.com>
8045
8046         * expr.c (expand_assignment): Optimize away no-op moves where the
8047         source and destination are equal and have no side-effects.
8048
8049 2006-04-17  Richard Guenther  <rguenther@suse.de>
8050
8051         PR target/26826
8052         * reload.c (push_reload): Guard calls to get_secondary_mem
8053         for memory subregs.
8054
8055 2006-04-16  Kazu Hirata  <kazu@codesourcery.com>
8056
8057         * alias.c (reg_base_value, old_reg_base_value): Change the
8058         type to VEC(rtx,gc) *.
8059         (REG_BASE_VALUE, find_base_value, record_set,
8060         init_alias_analysis): Use VEC instead of VARRAY.
8061
8062         * alias.c (alias_sets): Change the type to
8063         VEC(alias_set_entry,gc) *.
8064         (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8065         VEC instead of VARRAY.
8066         (last_alias_set): Remove.
8067
8068         * cgraph.h (cgraph_edge_p): New.
8069         Update the prototype of cgraph_function_versioning.
8070         * cgraphunit.c (cgraph_copy_node_for_versioning,
8071         cgraph_function_versioning): Use VEC instead of VARRAY.
8072         * ipa-cp.c (ipcp_insert_stage): Likewise.
8073
8074 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8075
8076         PR target/26961
8077         * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8078         "A op B" or "A op C", we may need to convert A to the type of B and C.
8079
8080 2006-04-16  Adam Nemet  <anemet@caviumnetworks.com>
8081
8082         * target.h (struct gcc_target): Add mode_rep_extended.
8083         * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8084         (init_num_sign_bit_copies_in_rep): Initialize it using
8085         mode_rep_extended.
8086         (truncate_to_mode): Use it.
8087         (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8088         * targhooks.h (default_mode_rep_extended): Declare it.
8089         * targhooks.c (default_mode_rep_extended): Define it.
8090         * target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
8091         default_mode_rep_extended.
8092         (TARGET_INITIALIZER): Include it.
8093         * doc/tm.texi (Misc): Document it.
8094         * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8095         (mips_truncated_to_mode): New function.
8096
8097 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8098
8099         PR middle-end/25474
8100         * expr.c (compress_float_constant): Copy the narrow constant into
8101         a new pseudo before extending it to its final width.
8102
8103 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8104             Andrew Pinski  <pinskia@gcc.gnu.org>
8105             Dale Johannesen  <dalej@apple.com>
8106
8107         PR target/24076
8108         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8109         special case code to implement V8HImode and V16QImode with SSE2.
8110
8111 2006-04-15  Roger Sayle  <roger@eyesopen.com>
8112
8113         * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8114         trees are constructed with a suitable tree type.
8115
8116 2006-04-15  Roger Sayle  <roger@eyesopen.com>
8117
8118         * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8119         (integer_onep): Likewise.
8120         (integer_all_onesp): Likewise.
8121         (integer_pow2p): Likewise.
8122         (integer_nonzerop): Likewise.
8123         (real_zerop): Likewise.
8124         (real_onep): Likewise.
8125         (real_twop): Likewise.
8126         (real_minus_onep): Likewise.
8127         (int_size_in_bytes): Likewise.
8128         (host_integerp): Likewise.
8129
8130 2006-04-15  Kazu Hirata  <kazu@codesourcery.com>
8131
8132         * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8133         jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8134         tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8135
8136         * tree-ssa-structalias.h (alias_info): Remove num_references.
8137
8138 2006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8139
8140         * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8141         (output_bvb patterns): Likewise.
8142         * pa.c (output_bb): Use 'bb' insn for long branch case.
8143         (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8144         (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8145         1.  Correct length operand for alternatives 1 and 2.
8146         (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8147         1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
8148
8149 2006-04-14  Roger Sayle  <roger@eyesopen.com>
8150
8151         * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8152         is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8153         were accidentally reverted by r112959.
8154
8155 2006-04-15  Jakub Jelinek  <jakub@redhat.com>
8156
8157         PR middle-end/26823
8158         * except.h (eh_region_outermost): New prototype.
8159         * except.c (eh_region_outermost): New function.
8160         * tree-cfg.c (find_outermost_region_in_block): Use it.
8161
8162 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
8163
8164         * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8165         of VARRAY.
8166         * reload1.c (reg_equiv_memory_loc_varray): Rename to
8167         reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
8168         (init_reload, reload): Use VEC instead of VARRAY.
8169         * reload.h: Update the prototype for
8170         reg_equiv_memory_loc_varray.
8171
8172 2006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
8173             Eric Botcazou  <ebotcazou@libertysurf.fr>
8174
8175         * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8176         register save area.
8177
8178 2005-04-13  Uros Bizjak  <uros@kss-loka.si>
8179
8180         PR middle-end/27134
8181         * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8182         to expand fallback builtin function call.
8183
8184 2006-04-14  Alan Modra  <amodra@bigpond.net.au>
8185
8186         PR middle-end/27095
8187         * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8188         and emit libcall here in case the builtin fails.
8189         (expand_builtin_strcmp): Always emit the libcall here on failure.
8190
8191 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
8192
8193         * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8194         * flow.c (reg_n_info): Change the type to
8195         VEC(reg_info_p,heap) *.
8196         * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8197         instead of VARRAY.
8198         * regs.h (reg_info_p): New.
8199         (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8200         REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8201         REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8202         instead of VARRAY.
8203
8204 2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
8205
8206         * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8207         defaulting to 100.
8208         * params.h (MAX_SCHED_READY_INSNS): New macro.
8209         * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8210         past MAX_SCHED_READY_INSNS during the first scheduling pass.
8211         (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8212         the ready list for 1 cycle during the first scheduling pass.
8213         * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8214
8215 2006-04-13  Richard Henderson  <rth@redhat.com>
8216
8217         PR libgomp/26651
8218         * gimple-low.c (lower_omp_directive): Remove dead code.
8219         (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8220         * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8221         * omp-low.c (struct omp_region): Move to tree-flow.h.
8222         (root_omp_region): Export.
8223         (omp_regions, lookup_omp_region): Remove.
8224         (determine_parallel_type): Update for struct omp_region changes.
8225         (dump_omp_region): Dump regions with block numbers.
8226         (new_omp_region): Take type and block instead of stmt; malloc
8227         instead of ggc.
8228         (free_omp_region_1, free_omp_regions): New.
8229         (expand_parallel_call): Take entry_stmt as argument; update for
8230         changes to omp_region.
8231         (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8232         (remove_exit_barriers): New.
8233         (expand_omp_parallel): Update for struct omp_region changes.
8234         (expand_omp_synch): Likewise.
8235         (expand_omp): Likewise.
8236         (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8237         (expand_omp_for_static_chunk): Likewise.
8238         (expand_omp_for): Likewise.
8239         (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8240         (expand_omp_sections): Similarly, with GOMP_sections_end.
8241         (expand_omp_single): New.
8242         (build_omp_regions_1): Update for OMP_CONTINUE.
8243         (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8244         (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8245         OMP_SECTIONS_SECTIONS.
8246         (lower_omp_single_simple): Don't emit barrier here.
8247         (lower_omp_single_copy): Likewise.
8248         (lower_omp_single): Fix bindings, and lower to straightline now.
8249         (lower_omp_master, lower_omp_ordered): Likewise.
8250         (lower_omp_critical): Likewise.
8251         (lower_omp_for): Likewise.  Emit OMP_CONTINUE.
8252         * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8253         omp edges, free it afterward.
8254         (make_omp_sections_edges): Remove.
8255         (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8256         (move_stmt_r): Handle OMP_CONTINUE.
8257         * tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
8258         statement pointers to basic blocks.  Add type member.
8259         (root_omp_region, new_omp_region, free_omp_regions): Declare.
8260         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8261         * tree-inline.c (estimate_num_insns_1): Likewise.
8262         * tree-pretty-print.c (dump_generic_node): Likewise.
8263         * tree-ssa-operands.c (get_expr_operands): Likewise.
8264         * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8265         (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8266         (OMP_CONTINUE): New.
8267         * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8268         (OMP_SECTIONS_SECTIONS): Remove.
8269         (OMP_SECTION_LAST): New.
8270         (OMP_RETURN_NOWAIT): New.
8271
8272 2006-04-13  Roger Sayle  <roger@eyesopen.com>
8273
8274         * fold-const.c (native_encode_vector, native_interpret_real):
8275         Correct obvious mistakes in the previous check-in.
8276
8277 2006-04-13  Roger Sayle  <roger@eyesopen.com>
8278
8279         * fold-const.c (native_encode_expr): New function to encode
8280         the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8281         or VECTOR_CST into a specified buffer.
8282         (native_encode_int): New function.
8283         (native_encode_real): New function.
8284         (native_encode_complex): New function.
8285         (native_encode_vector): New function.
8286         (native_interpret_expr): Inverse of native_encode_expr to convert
8287         a target representation into an INTEGER_CST, REAL_CST etc...
8288         (native_interpret_int): New function.
8289         (native_interpret_real): New function.
8290         (native_interpret_complex): New function.
8291         (native_interpret_vector): New function.
8292         (fold_view_convert_expr): New function to constant fold/evaluate
8293         a VIEW_CONVERT_EXPR of a suitable constant expression.
8294         (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8295         Change call of build1 to fold_build1 when constructing a
8296         VIEW_CONVERT_EXPR.
8297
8298 2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
8299             Ulrich Weigand  <uweigand@de.ibm.com>
8300
8301         PR target/27006
8302         * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8303         to be even.
8304
8305 2006-04-13  Alan Modra  <amodra@bigpond.net.au>
8306
8307         PR target/26459
8308         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8309         optimize to lo_sum for DFmode if !TARGET_FPRS.
8310
8311 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
8312
8313         * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8314         delete_alias_info, compute_flow_sensitive_aliasing,
8315         group_aliases): Use VEC instead of VARRAY.
8316         * tree-ssa-structalias.c (update_alias_info): Likewise.
8317         * tree-ssa-structalias.h (alias_info): Change the type of
8318         processed_ptrs to VEC(tree,heap) *.
8319
8320 2006-04-12  J"orn Rennecke <joern.rennecke@st.com>
8321
8322         PR target/27060
8323         * config/sh/lib1funcs.h: New file, broken out of:
8324         * config/sh/lib1funcs.asm.
8325         * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8326         New macros.
8327         * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8328         * config/sh/lib1funcs-Os-4-200.asm: New file.
8329         * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8330         * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8331         (EXTRA_MULTILIB_PARTS): Include it.
8332         ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8333         ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8334         * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8335         * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8336         TARGET_SH2.
8337
8338 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
8339
8340         * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8341         * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8342         tpa_compact, root_var_init, type_var_init): Use VEC instead of
8343         VARRAY.
8344         * tree-ssa-live.h: Include vecprim.h.
8345         (tree_partition_associator_d): Change the type of
8346         first_partition to VEC(int,heap) *.
8347         (tpa_first_partition): Use VEC instead of VARRAY.
8348
8349         * Makefile.in (GTFILES): Move functions.h after tree.h.
8350         * function.c (reset_block_changes, record_block_change,
8351         check_block_change, free_block_changes): Use VEC instead of
8352         VARRAY.
8353         * function.h (function): Change the type of
8354         ib_boundaries_block to VEC(tree,gc) *.
8355         * tree-inline.c (copy_cfg_body): Initialize
8356         ib_boundaries_block to NULL instead of (varray_type) 0.
8357
8358 2006-04-12  Roger Sayle  <roger@eyesopen.com>
8359
8360         * expr.c (emit_group_store): Correct operand order in call to
8361         subreg_lowpart_offset.  Always create paradoxical SUBREGs with
8362         a SUBREG_BYTE of zero.
8363
8364 2006-04-12  Richard Guenther  <rguenther@suse.de>
8365
8366         * profile.c (compute_branch_probabilities): Remove code
8367         encapsulated in !ir_type (), which are remanents of the
8368         removed RTL profiling code.
8369         * rtl-profile.c: Remove.
8370
8371 2006-04-12  Alan Modra  <amodra@bigpond.net.au>
8372
8373         * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8374         magic NULL_RTX comment.
8375         (function_arg): Store entire fp arg to mem if any part should go
8376         on stack.
8377         (rs6000_arg_partial_bytes): Adjust for above change.
8378
8379 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8380
8381         * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8382         if it hasn't been initialized by dwarf2out_init.
8383
8384 2006-04-11  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
8385
8386         * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8387         symbolic constants in branch patterns.
8388
8389 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8390
8391         * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8392
8393 2006-04-11  Richard Sandiford  <richard@codesourcery.com>
8394
8395         PR rtl-optimization/27073
8396         * gcse.c (try_replace_reg): Revert last change.  Continue to search
8397         for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8398         on the former.
8399
8400 2006-04-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
8401
8402         * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8403         aggregate types other than record and union types.
8404         (function_arg): Likewise.
8405         (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8406         small arrays.
8407         (function_value): In 64-bit mode, return objects that require it
8408         in FP registers.
8409
8410 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8411
8412         * dwarf2out.c (premark_used_types): Remove problematic prototype.
8413
8414 2006-04-11  Jakub Jelinek  <jakub@redhat.com>
8415
8416         * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8417
8418 2006-04-03  Jeff Law  <law@redhat.com>
8419
8420         PR/27087
8421         * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8422         alias information too.
8423
8424 2006-04-10  Mike Frysinger  <vapier@gentoo.org>
8425
8426         * Makefile.in (gcc-cross): Add $(exeext) to target name.
8427
8428 2006-04-10  Aldy Hernandez  <aldyh@redhat.com>
8429
8430         PR/21391
8431         * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8432         (premark_used_types_helper): New.
8433         (premark_used_types): New.
8434         (gen_subprogram_die): Call premark_used_types.
8435         (prune_unused_types_walk): Do not prune perennial dies.
8436         * function.c (used_types_insert): New.
8437         * function.h (struct function): Add used_types_hash field.
8438         (used_types_insert): Add prototype.
8439         * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8440         * c-parser.c (c_parser_cast_expression): Save casted types in used
8441         types hash table.
8442
8443 2006-04-11  Mark Mitchell  <mark@codesourcery.com>
8444
8445         PR target/26459
8446         * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8447         rs6000_explicit_options.float_gprs.
8448
8449 2006-04-10  Roger Sayle  <roger@eyesopen.com>
8450
8451         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8452         from ix86_expand_vector_init_low_nonzero.  Take an additional
8453         one_var argument indicating which element is non-zero.  Support
8454         one_var != 0 for V4SFmode and V4SImode by permuting the result.
8455         (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8456         with one_var instead of ix86_expand_vector_init_low_nonzero.
8457
8458 2006-04-10  Kazu Hirata  <kazu@codesourcery.com>
8459
8460         * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8461         tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8462         global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8463         build/genextract.o): Depend on vecprim.h.
8464         * cfglayout.c, df-problems.c, function.c, genextract.c,
8465         global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8466         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8467         vecprim.h.
8468         * vecprim.h: New.
8469
8470 2006-04-10  Geoffrey Keating  <geoffk@apple.com>
8471
8472         * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8473         Declare VECs of this type.
8474         (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8475         (remove_children): Delete.
8476         (add_dwarf_attr): Use VEC routines.
8477         (add_AT_flag): Update for changes to add_dwarf_attr.
8478         (add_AT_int): Likewise.
8479         (add_AT_unsigned): Likewise.
8480         (add_AT_long_long): Likewise.
8481         (add_AT_vec): Likewise.
8482         (add_AT_string): Likewise.
8483         (add_AT_die_ref): Likewise.
8484         (add_AT_fde_ref): Likewise.
8485         (add_AT_loc): Likewise.
8486         (add_AT_loc_list): Likewise.
8487         (add_AT_addr): Likewise.
8488         (add_AT_lbl_id): Likewise.
8489         (add_AT_lineptr): Likewise.
8490         (add_AT_macptr): Likewise.
8491         (add_AT_offset): Likewise.
8492         (add_AT_range_list): Likewise.
8493         (get_AT): Use VEC_iterate.
8494         (remove_AT): Use VEC_ordered_remove.
8495         (free_die): Fold remove_children into here; have it use VEC_iterate.
8496         (print_die): Use VEC_iterate on attrs.
8497         (reverse_die_lists): Don't reverse attr lists.
8498         (die_checksum): Use VEC_iterate on attrs.
8499         (same_die_p): Likewise.
8500         (output_location_lists): Likewise.
8501         (build_abbrev_table): Likewise.
8502         (size_of_die): Likewise.
8503         (unmark_all_dies): Likewise.
8504         (output_abbrev_section): Likewise.
8505         (output_die): Likewise.
8506         (prune_unused_types_walk_attribs): Likewise.
8507
8508 2006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
8509
8510         * doc/install.texi (*-*-solaris2*): Point to the configure page.
8511
8512 2006-04-10  Jakub Jelinek  <jakub@redhat.com>
8513
8514         PR debug/27057
8515         * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8516
8517 2006-04-09  Roger Sayle  <roger@eyesopen.com>
8518
8519         * expr.c (store_constructor): Don't bother clearing target if
8520         we're about to assign a vector to it using vec_init_optab.
8521
8522 2006-04-10 Daniel Berlin  <dberlin@dberlin.org>
8523
8524         * tree-ssa-alias.c (lhs_may_store_to): New function.
8525         (recalculate_used_alone): Handle LHS of calls.
8526
8527 2006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8528
8529         PR target/27034
8530         PR target/26508
8531         * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8532         * pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
8533         (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
8534         (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8535         (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8536         (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8537         section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8538         stubs.  Add ".align 8" directives before all ".dword" directives.
8539         (GTHREAD_USE_WEAK): Revise comment.
8540         (TARGET_ATTRIBUTE_WEAK): Define.
8541         * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8542         dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8543         * stublib.c: New file.
8544
8545         PR target/26743
8546         PR target/11254
8547         PR target/10274
8548         * pa.md (cbranch patterns): Revise arguments used in calls to
8549         output_cbranch, output_bb and output_bvd.  Add long branch length
8550         attributes.
8551         (fbranch patterns): Handle long branches.
8552         (jump): Revise length check.  Revise arguments for output_lbranch call.
8553         Add long branch length attributes.
8554         (decrement_and_branch_until_zero): Add long branch length attributes.
8555         (output_movb, output_parallel_addb and output_parallel_movb patterns):
8556         Likewise.  Revise arguments for output_parallel_addb and
8557         output_parallel_movb calls.
8558         * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8559         output_parallel_movb and output_parallel_addb): Update prototypes.
8560         * pa.c (output_cbranch): Revise arguments.  Correct handling of
8561         nullification in long branches.
8562         (output_lbranch): Add new argument to control extraction of delay
8563         instruction.
8564         (output_bb): Handle long branches.
8565         (output_bvb, output_dbra, output_movb, output_parallel_movb,
8566         output_parallel_addb): Likewise.
8567
8568 2006-04-09  Richard Sandiford  <richard@codesourcery.com>
8569
8570         PR rtl-optimization/27073
8571         * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8572         not REG_EQUIVs.
8573
8574 2006-04-08  Daniel Berlin  <dberlin@dberlin.org>
8575
8576         * tree.h (tree_memory_tag): Add old_used_alone.
8577         (SMT_OLD_USED_ALONE): New macro.
8578         * tree-ssa-alias.c (recalculate_used_alone): Stop
8579         marking things for renaming unnecessarily.
8580
8581 2006-04-08  Kazu Hirata  <kazu@codesourcery.com>
8582
8583         * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8584         config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8585         config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8586         haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8587         sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8588         tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8589         tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
8590         spelling convensions.
8591         * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8592         doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8593         typos.  Follow spelling conventions.
8594
8595 2006-04-07  DJ Delorie  <dj@redhat.com>
8596
8597         * config/m32c/m32c.c (m32c_function_arg): Structures are always
8598         passed on the stack.
8599         (m32c_init_cumulative_args): When a function returns a structure,
8600         always pass the pointer to that return area on the stack.
8601         (m32c_function_arg_advance): Don't increment the parameter number
8602         if we're processing the returned structure pointer.
8603         (pushm_info): Reverse order of registers.
8604
8605 2006-04-07  Sebastian Pop  <pop@cri.ensmp.fr>
8606
8607         * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8608         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8609         number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8610         estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8611         build_int_cst_type.
8612         * tree-chrec.c (chrec_fold_multiply_poly_poly,
8613         chrec_fold_multiply): Same.
8614         * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8615         force_expr_to_var_cost): Same.
8616         * tree-mudflap.c (mf_xform_derefs_1): Same.
8617         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8618
8619 2006-04-07  David Edelsohn  <edelsohn@gnu.org>
8620
8621         * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8622         treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
8623         insn.
8624
8625 2006-04-07  Jan Hubicka  <jh@suse.cz>
8626
8627         * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8628
8629 2006-04-07  Richard Guenther  <rguenther@suse.de>
8630
8631         PR tree-optimization/26135
8632         * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8633         loads for store copy-prop.
8634         (copy_prop_visit_stmt): Likewise.
8635
8636 2006-04-05  Robert Millan  <robertmh@gnu.org>
8637
8638         * config/i386/linux.h: Add a comment to mark macros that are
8639         being overriden in config/k*bsd-gnu.h.
8640         * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8641         DYNAMIC_LINKER.
8642         * config/knetbsd-gnu.h: Ditto.
8643
8644 2006-04-06  Jan Hubicka  <jh@suse.cz>
8645
8646         PR profile/20815
8647         PR profile/26399
8648         * coverage.c (coverage_checksum_string): Reorganize loop to not read
8649         after buffer.
8650
8651 2006-04-06  Mike Stump  <mrs@apple.com>
8652
8653         * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8654         for HAVE_nonlocal_goto to be consistent.
8655         (expand_builtin_nonlocal_goto): Likewise.
8656         (expand_builtin_strcmp): Use #ifdef instead of #if
8657         for HAVE_cmpstrnsi to be consistent.
8658
8659 2006-04-05  DJ Delorie  <dj@redhat.com>
8660
8661         * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8662         vs m32c.
8663
8664 2006-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8665
8666         * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8667         got-relative addressing for anything but SImode.
8668
8669         * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8670         even if the calling function doesn't modify them.
8671
8672 2006-04-05  Richard Guenther  <rguenther@suse.de>
8673
8674         PR tree-optimization/26919
8675         * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8676         to cgraph_estimate_size_after_inlining.
8677
8678 2006-04-05  Alan Modra  <amodra@bigpond.net.au>
8679
8680         * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8681
8682 2006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>
8683
8684         PR tree-optimization/26996
8685         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8686         VECTOR_TYPE variables.
8687
8688 2006-04-05  Richard Guenther  <rguenther@suse.de>
8689
8690         PR tree-optimization/26763
8691         * fold-const.c (fold_comparison): Move folding of
8692         PTR + CST CMP PTR + CST ...
8693         (fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
8694
8695 2006-04-05  Gerald Pfeifer  <gerald@pfeifer.com>
8696
8697         * doc/install.texi (Prerequisites): Refine some wording on
8698         bootstrapping and ksh.
8699         Move the version numbers of DejaGnu here from the testing section
8700         and fix casing of names.
8701         Fix markup and clarify wording for autogen requirements.
8702         Refer to GCJ instead of just java.
8703         Refer to SVN instead of CVS.
8704         Describe diffutils as useful instead of necessary.
8705         (Downloading the source): Refer to SVN instead of CVS.
8706         Adjust a link to our web site accordingly.
8707         (Configuration): Fix casing of Bison.
8708         (Building): Refer to SVN instead of CVS.
8709         Fix a sentence on the use of Bison and remove duplicate (and
8710         incorrect) version number of Bison requirement.
8711         Remove one redundant list of packages needed for building.
8712         (Specific): Avoid reference to CVS.
8713
8714 2006-04-04  Eric Christopher  <echristo@apple.com>
8715
8716         * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8717         (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8718         (rs6000_handle_struct_attribute): New.
8719         (rs6000_ms_bitfield_layout_p): Ditto.
8720
8721 2006-04-04  Geoffrey Keating  <geoffk@apple.com>
8722
8723         * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8724         NULL for dso parameter to atexit_common.
8725
8726 2006-04-04  Eric Christopher  <echristo@apple.com>
8727
8728         * config/i386/i386.c (machopic_output_stub): Output \t
8729         between instructions and operands.
8730
8731 2006-04-04  David Edelsohn  <edelsohn@gnu.org>
8732
8733         * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8734         satisfies_constraint_[IL] to explicit tests on value.
8735
8736 2006-04-04  Sebastian Pop  <pop@cri.ensmp.fr>
8737
8738         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8739         set_nb_iterations_in_loop): Use build_int_cst instead of
8740         build_int_cst_type.
8741         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8742         build_int_cst instead of convert.
8743
8744 2006-04-04  Carlos O'Donell  <carlos@codesourcery.com>
8745
8746         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8747         new value 2 for incoming.
8748         * function.c (expand_function_start): Call struct_value_rtx
8749         with incoming as 2.
8750         * config/sparc/sparc.md: Comment updated_return.
8751         * config/sparc/sparc.opt: Add -mstd-struct-return option.
8752         * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8753         struct return if sparc_std_struct_return and incoming is 2.
8754         (print_operand): Do not adjust return if
8755         sparc_std_struct_return.
8756
8757 2006-04-04  Roger Sayle  <roger@eyesopen.com>
8758
8759         * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8760         convert in the middle-end.
8761         * expr.c (store_expr, store_constructor, get_inner_reference,
8762         expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8763         Likewise.
8764         * tree.c (build_range_type): Likewise.
8765
8766 2006-04-04  Tom Tromey  <tromey@redhat.com>
8767
8768         * doc/install.texi (Prerequisites): Mention jar.
8769
8770 2006-04-04  Daniel Berlin  <dberlin@dberlin.org>
8771
8772         * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8773         subsection.
8774
8775 2006-04-04  Matthias Klose  <doko@debian.org>
8776
8777         * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8778
8779         PR bootstrap/26764
8780         PR bootstrap/27334
8781         * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8782         strings.
8783
8784 2006-04-03  Geoffrey Keating  <geoffk@apple.com>
8785
8786         * doc/extend.texi (Function Attributes): Rewrite visibility
8787         attribute documentation.
8788         * doc/invoke.texi (C++ Dialect Options): Rewrite
8789         -fvisibility-inlines-hidden documentation to describe something
8790         entirely different, although in practise compatible.
8791         (Code Gen Options): Warn about system headers in -fvisibility=
8792         documentation.
8793
8794         * doc/extend.texi (Other Builtins): Document that
8795         __builtin_nan is a compile-time constant only when its argument
8796         is valid.
8797
8798 2006-04-03  Adam Nemet  <anemet@caviumnetworks.com>
8799
8800         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8801         trying to remove TRUNCATE check if all bits outside the new mode
8802         are identical to the sign bit.
8803
8804 2006-04-03  Jeff Law  <law@redhat.com>
8805
8806         * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8807         and operand scanning in some common cases.
8808
8809 2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
8810             Dale Johannesen  <dalej@apple.com>
8811
8812         PR target/19653
8813         * regclass.c (struct reg_pref): Update documentation.
8814         (regclass): Set prefclass to NO_REGS if memory is the best option.
8815         (record_reg_classes): Cope with a prefclass set to NO_REGS.
8816         * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8817         into account.  For non-registers, equate an empty preferred
8818         reload class to a `!' in the constraint; move the if clause to
8819         do so after those that reject the insn.
8820         (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8821         return NO_REGS.
8822         (find_dummy_reload): Likewise.
8823         * doc/tm.texi (Register Classes): Document what it means
8824         if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8825         * config/i386/i386.c (ix86_preferred_reload_class): Force
8826         using SSE registers (and return NO_REGS for floating-point
8827         constants) if math is done with SSE.
8828         (ix86_preferred_output_reload_class): New.
8829         * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8830         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8831         * config/i386/i386.md: Remove # register preferences.
8832
8833 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8834
8835         PR bootstrap/26992
8836         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8837         chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8838         the type of nb_iter.
8839         (instantiate_parameters_1): Convert the operands before calling
8840         chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8841         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8842
8843 2006-04-02  Roger Sayle  <roger@eyesopen.com>
8844
8845         * builtins.c (dummy_object): Use build_int_cst instead of convert.
8846         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8847         instead of convert.
8848         * dojump.c (do_jump): Likewise.
8849         * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8850         * gimplify.c (gimple_boolify, gimplify_init_constructor,
8851         gimplify_boolean_expr): Likewise.
8852         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8853         * varasm.c (array_size_for_constructor): Likewise.
8854         * tree-object-size.c (compute_object_offset): Likewise.
8855
8856 2006-04-02  Roger Sayle  <roger@eyesopen.com>
8857
8858         PR middle-end/26977
8859         * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8860         NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8861
8862 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8863
8864         PR tree-optimization/26939
8865         * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8866
8867 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8868
8869         * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8870         at_stmt.  Convert the type of operands before calling
8871         build_polynomial_chrec.
8872         (add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
8873         add_to_evolution_1.
8874         (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8875         (instantiate_parameters_1): Convert the type of operands before calling
8876         build_polynomial_chrec.
8877         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8878         chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8879         reset_evolution_in_loop): Insert asserts to check the types of the
8880         operands.
8881         (chrec_type): Moved...
8882         (eq_evolutions_p): Use operand_equal_p.
8883         * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8884         the types of the operands.
8885         (chrec_type): ...here.
8886         * tree-data-ref.c (create_data_ref): Convert the operands before
8887         calling chrec_replace_initial_condition.
8888         (same_access_functions, analyze_subscript_affine_affine,
8889         analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8890         (compute_subscript_distance, analyze_ziv_subscript,
8891         analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8892         analyze_miv_subscript): Convert the operands before calling
8893         chrec_fold_minus or chrec_fold_plus.
8894
8895 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8896
8897         * tree-data-ref.c (compute_all_dependences): Use a pointer to
8898         the dependence_relations vector.
8899         (compute_data_dependences_for_loop): Adjust call to
8900         compute_all_dependences.
8901
8902 2006-04-01  Roger Sayle  <roger@eyesopen.com>
8903             Richard Henderson  <rth@redhat.com>
8904
8905         * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8906         gimple_boolify on the condition before calling gimplify_expr.
8907
8908 2006-03-31  Bob Wilson  <bob.wilson@acm.org>
8909
8910         * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8911         to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
8912         the frame size.  Update to use the new macros.
8913         * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8914         * config/xtensa/ieee754-df.S: Likewise.
8915
8916 2006-03-31  Richard Henderson  <rth@redhat.com>
8917
8918         * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8919         (make_edges): ... here.  Control fallthru creation with a local
8920         variable.  Do not play with fake edges.
8921         (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8922         (make_goto_expr_edges): Don't play with fake edges.  Make for_call
8923         a boolean.
8924
8925 2006-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8926
8927         * dwarf2.h (DW64_CIE_ID): Define.
8928         * dwarf2out.c (DWARF_CIE_ID): Define.
8929         (output_call_frame_info): Output 0xffffffff before standard 8-byte
8930         length header.  Use DWARF_CIE_ID.
8931         (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8932         dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8933
8934 2006-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8935
8936         * config/sh/linux-atomic.asm: New file.
8937         * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8938
8939 2006-03-31  DJ Delorie  <dj@redhat.com>
8940
8941         * config/m32c/cond.md: Set condition flags properly throughout.
8942         * config/m32c/minmax.md: Likewise.
8943         * config/m32c/prologue.md: Likewise.
8944         * config/m32c/bitops.md: Likewise.
8945         * config/m32c/muldiv.md: Likewise.
8946         * config/m32c/mov.md: Likewise.
8947         * config/m32c/addsub.md: Likewise.
8948         * config/m32c/m32c.md: Likewise.
8949         * config/m32c/jump.md: Likewise.
8950         * config/m32c/shift.md: Likewise.
8951
8952         * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8953         conditionally output the pattern for this.
8954         * config/m32c/m32c.c (flags_needed_for_conditional): New.
8955         (m32c_compare_redundant): New.
8956         (m32c_output_compare): New.
8957         * config/m32c/m32c-protos.h (m32c_output_compare): New.
8958
8959         * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8960         dest, not src.  Allow other 4-byte modes.
8961
8962 2006-03-30  Denis Chertykov  <denisc@overta.ru>
8963
8964         * doc/md.texi: Refer to avr/constraints.md instead of
8965         avr/avr.h.
8966
8967 2006-03-30  Roger Sayle  <roger@eyesopen.com>
8968
8969         * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8970         signed vs. unsigned comparison failures on some hosts.
8971
8972 2006-03-31  Alan Modra  <amodra@bigpond.net.au>
8973
8974         PR target/26459
8975         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8976         change to FLOAT_REGS.
8977
8978         * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8979         (rs6000_override_options): Use it.
8980         (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
8981         only for -mabi=spe/no-spe and -mabi=altivec.
8982
8983 2006-03-30  Geoffrey Keating  <geoffk@apple.com>
8984
8985         * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8986         !Zdynamiclib.
8987
8988 2006-03-30  Carlos O'Donell  <carlos@codesourcery.com>
8989
8990         * Makefile.in: Rename docdir to gcc_docdir.
8991
8992 2006-03-30  Roger Sayle  <roger@eyesopen.com>
8993
8994         PR target/17959
8995         * expr.c (emit_group_store): Optimize group stores into a pseudo
8996         register by using a paradoxical subreg to initialize the destination
8997         if the first or last member of the group specifies a "low part".
8998
8999 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9000
9001         PR target/26734
9002         * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9003         * target.h (struct gcc_target.speculate_insn): Change type of the
9004         second parameter to 'int'.
9005         * lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
9006         the second operand of the DEPS_LIST.
9007         (copy_DEPS_LIST_list): Update reference to the second operand of the
9008         DEPS_LIST.
9009         * rtl.h (alloc_DEPS_LIST): Update signature.
9010         * sched-int.h (ds_t): Change typedef to 'int'.
9011         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9012
9013 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9014
9015         * haifa-sched.c (try_ready): Change condition to restore
9016         non-speculative pattern of the instruction.
9017         (process_insn_depend_be_in_spec): Code to keep probability of the
9018         speculative dependence non-decreasing.
9019
9020 2006-03-30  Jie Zhang  <jie.zhang@analog.com>
9021
9022         * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9023         (single_move_for_movmem): ... this. Also change all uses.
9024         (bfin_expand_strmov): Renamed to...
9025         (bfin_expand_movmem): ... this. Also change all uses.
9026         * config/bfin/bfin.md (movstrsi): Renamed to...
9027         (movstrsi): ...this.
9028
9029 2006-03-30  Paolo Bonzini  <bonzini@gnu.org>
9030
9031         PR tree-optimization/26830
9032
9033         * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9034         (copy_prop_visit_stmt): Remove write-only variable ann.
9035         (init_copy_prop): Check variable loop depth here.  Do not simulate
9036         memory-tag and virtual operand PHIs except for store copy prop.
9037
9038 2006-03-30  Richard Guenther  <rguenther@suse.de>
9039
9040         * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9041         variants with double arguments.
9042
9043 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
9044
9045         * genpreds.c (write_tm_constrs_h): Delete variable p.
9046         * genconditions.c (write_header): Add tm-constrs.h to included
9047         headers.
9048         * genpeep.c (main): Add toplev.h to included headers.
9049         * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9050         (build/genpeep.o): Add toplev.h dependency.
9051         * config/rs6000/constraints.md: Add "W" constraint.
9052
9053 2006-03-29  Roger Sayle  <roger@eyesopen.com>
9054
9055         * stor-layout.c (mode_for_size_tree): Remove restiction on type
9056         sizes by correctly testing whether the size fits a host integer.
9057         (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9058         to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9059         SImode range for the default sizetype and bitsizetype.
9060
9061 2006-03-29  Roger Sayle  <roger@eyesopen.com>
9062
9063         * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9064         and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
9065         quickly if the argument is already of the correct type.
9066         Call fold_build1 instead of build1.  Tidy up blank lines.
9067
9068 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
9069
9070         * genemit.c (main): Add tm-constrs.h to included headers.
9071         * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9072         * genpeep.c (main): Add tm-constrs.h to included headers.
9073         * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9074         (write_tm_constrs_h): this and write complete file.
9075         (write_tm_preds_h): Do not emit satisfies_constraint fns.
9076         (write_insn_preds_c): Add tm-constrs.h to included headers.
9077         (gen_constrs): New variable.
9078         (parse_option): Parse "-c".
9079         (main): Invoke write_tm_constrs_h.
9080         * genrecog.c (write_header): Add tm-constrs.h to included headers.
9081         * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9082         (object_out_file): Add tm-constrs.h dependency.
9083         (insn-emit.o): Same.
9084         (insn-output.o): Same.
9085         (insn-peep.o): Same.
9086         (insn-preds.o): Same.
9087         (insn-recog.o): Same.
9088         (tm-constsr.h): New target.
9089         (s-constrs-h): New target.
9090
9091         * config/rs6000/constraints.md: New file.
9092         * config/rs6000/rs6000.c: Include tm-constrs.h.
9093         (num_insn_constant_wide): Convert to satisfies_constraint.
9094         (rs6000_rtx_costs): Convert to satisfies_constraint.
9095         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9096         (CONST_OK_FOR_LETTER_P): Delete.
9097         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9098         (EXTRA_CONSTRAINT): Delete.
9099         (EXTRA_MEMORY_CONSTRAINT): Delete.
9100         (EXTRA_ADDRESS_CONSTRAINT): Delete.
9101         * config/rs6000/predicates.md: Convert to satisfies_constraint.
9102         * config/rs6000/rs6000.md: Include constraints.md.  Convert to
9103         satisfies_constraint.
9104
9105         * config/i386/i386.c: Include tm-constrs.h.
9106
9107 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
9108
9109         * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9110         * tree-data-ref.c (find_data_references_in_loop,
9111         compute_data_dependences_for_loop): Use pointers to VEC.
9112         (analyze_all_data_dependences): Adjust calls.
9113         * tree-data-ref.h (find_data_references_in_loop,
9114         compute_data_dependences_for_loop): Adjust declarations.
9115         * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9116         compute_data_dependences_for_loop.
9117
9118 2006-03-29  Paul Brook  <paul@codesourcery.com>
9119
9120         * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9121         (movdf_vfp): Ditto.
9122
9123 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
9124
9125         PR tree-optimization/26859
9126         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9127         division by zero.
9128         (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9129         for the step after fold_convert.
9130
9131 2006-03-29  Paul Brook  <paul@codesourcery.com>
9132
9133         * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9134         (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9135
9136 2006-03-29  Paul Brook  <paul@codesourcery.com>
9137
9138         PR middle-end/23623
9139         * targhooks.c (default_narrow_bitfield): New fuction.
9140         * targhooks.h (default_narrow_bitfield): add prototype.
9141         * target.h (gcc_target): Add narrow_volatile_bitfield.
9142         * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9143         * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9144         * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9145         * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9146
9147 2006-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
9148
9149         * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9150         tmake_file.
9151         * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9152         (NR_C_MODES): Add TDmode, DDmode and SDmode.
9153         (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9154         (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9155         (s390_function_arg_float): Allow SDmode and DDmode values to be
9156         passed in floating point registers.
9157         (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9158         check with SCALAR_FLOAT_MODE_P.
9159         (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9160
9161 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
9162
9163         PR tree-optimization/25985
9164         * tree-ssa-loop-niter.c (number_of_iterations_le,
9165         number_of_iterations_ne): Make comments more precise.
9166         (number_of_iterations_cond): Add only_exit argument.  Use the
9167         fact that signed variables do not overflow only when only_exit
9168         is true.
9169         (loop_only_exit_p): New.
9170         (number_of_iterations_exit): Pass result of loop_only_exit_p to
9171         number_of_iterations_cond.
9172
9173 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
9174
9175         PR tree-optimization/26643
9176         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9177         bit_field_refs.
9178
9179 2006-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9180
9181         * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9182         (divsi3_i4_int): Likewise.
9183
9184 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9185
9186         * expr.c (emit_group_store): Only create a new pseudo reg if the
9187         quantity it needs to hold isn't already a suitable pseudo.
9188
9189 2006-03-28  Jeff Law  <law@redhat.com>
9190
9191         * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9192         * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9193
9194 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9195
9196         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9197         the equivalent ~X & Y, and the symmetry related transformations.
9198         (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9199         ~X & Y, and symmetry related transforms.
9200
9201 2006-03-28  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9202
9203         Revert my 2006-03-27 patches.
9204
9205 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9206
9207         * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9208         ~(T1)X, when T1 and T2 are integer types of the same precision
9209         and (T2)X isn't an extension.
9210
9211 2006-03-28  Jeff Law  <law@redhat.com>
9212
9213         PR tree-optimization/26796
9214         * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9215         need EH edge cleanups rather than purging them immediately.
9216         (eliminate_degenerate_phis): Handle queued EH cleanups.
9217
9218 2006-03-28  Daniel Berlin  <dberlin@dberlin.org>
9219
9220         * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9221         from parent_var.
9222
9223 2006-03-27  Roger Sayle  <roger@eyesopen.com>
9224
9225         PR middle-end/22524
9226         * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9227         cast BIT_NOT_EXPR operand to the correct type.
9228
9229 2006-03-27  Sebastian Pop  <pop@cri.ensmp.fr>
9230
9231         * tree-loop-linear.c: Don't include varray.h.
9232         (gather_interchange_stats, try_interchange_loops,
9233         linear_transform_loops): Use VEC instead of VARRAY.
9234         * lambda-mat.c: Don't include varray.h.
9235         * tree-chrec.c: Same.
9236         * lambda-trans.c: Same.
9237         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9238         VEC instead of VARRAY.
9239         * tree-vectorizer.h: Idem.
9240         * tree-data-ref.c (dump_data_references,
9241         dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9242         initialize_data_dependence_relation, finalize_ddr_dependent,
9243         compute_all_dependences, find_data_references_in_loop,
9244         compute_data_dependences_for_loop, analyze_all_data_dependences,
9245         free_dependence_relation, free_dependence_relations,
9246         free_data_refs): Idem.
9247         * tree-data-ref.h (data_reference_p, subscript_p): New.
9248         (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9249         VEC instead of VARRAY.
9250         (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9251         (find_data_references_in_loop, compute_data_dependences_for_loop,
9252         dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9253         dump_data_dependence_relations, free_dependence_relations,
9254         free_data_refs): Adjust declaration.
9255         (lambda_transform_legal_p): Move declaration here...
9256         * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9257         vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9258         vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9259         vect_analyze_data_refs): Use VEC instead of VARRAY.
9260         * lambda.h (lambda_transform_legal_p): ...from here.
9261         * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9262         * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9263         * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9264         tree-chrec.o): Don't depend on VARRAY_H.
9265
9266 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9267
9268         * rtl.def (Copyright): Update date.
9269         (DEPS_LIST): Change type of the second operand to 'int'.
9270         * target.h (Copyright): Update date.
9271         (struct gcc_target.speculate_insn): Change type of the second parameter
9272         to 'int'.
9273         * lists.c (Copyright): Update date.
9274         (alloc_DEPS_LIST): Change signature.  Update reference to the second
9275         operand of the DEPS_LIST.
9276         (copy_DEPS_LIST_list): Update reference to the second operand of the
9277         DEPS_LIST.
9278         * rtl.h (Copyright): Update date.
9279         (alloc_DEPS_LIST): Update signature.
9280         * sched-int.h (Copyright): Update date.
9281         (ds_t): Change typedef to 'int'.
9282         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9283
9284 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9285
9286         * haifa-sched.c (Copyright): Update date.
9287         (try_ready): Change condition to restore non-speculative pattern
9288         of the instruction.
9289         (process_insn_depend_be_in_spec): Code to keep probability of the
9290         speculative dependence non-decreasing.
9291
9292 2006-03-27  Bernd Schmidt  <bernd.schmidt@analog.com>
9293
9294         * regrename.c (replace_oldest_value_addr): Initialize a variable to
9295         shut up the compiler.
9296
9297 2006-03-27  J"orn Rennecke <joern.rennecke@st.com>
9298
9299         * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9300         to use lib prefix for target.
9301         ($(T)libic_invalidate_array_4-200.a): Likewise.
9302         ($(T)libic_invalidate_array_4a.a): Likewise.
9303
9304 2006-03-27  Andrew Stubbs <andrew.stubbs@st.com>
9305             J"orn Rennecke <joern.rennecke@st.com>
9306
9307         * superh.opt: New file.
9308         * sh.c (boardtype, osruntime): Remove.
9309         * superh.h (SUBTARGET_OPTIONS): Remove.
9310         * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9311
9312         * config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
9313         arguments with ^ and/or [].
9314
9315         * config.gcc (sh-*-*): Add quoting to account for quirk of
9316         Solaris /bin/sh.
9317         Replace == with = in enable_incomplete_targets test.
9318
9319         * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9320         with MASK_LITTLE_ENDIAN.
9321
9322         * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9323         * config/sh/sh.opt: Added to some comments.
9324         * config/sh/superh.h: Removed some chaff.
9325
9326         * config/sh/sh.opt: Add m4-[1234]00* options.
9327         * config/sh/sh.c (sh_handle_option): Likewise.
9328         * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9329         (ic_invalidate_array_4-100.o): New rule.
9330         ($(T)libic_invalidate_array_4-100.a): Likewise.
9331         (ic_invalidate_array_4-200.o): Likewise.
9332         ($(T)libic_invalidate_array_4-200.a): Likewise.
9333         (ic_invalidate_array_4a.o): Likewise.
9334         ($(T)libic_invalidate_array_4a.a): Likewise.
9335         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9336         * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9337         m4-200*, and m4a*.
9338         * config/sh/crt1.asm: Merged in profiling code.
9339         * config/sh/superh.h (STARTFILE_SPEC): Override.
9340         * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9341         Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9342         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9343
9344         * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9345         * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9346         MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9347
9348         * sh.opt (mpretend-cmove): New option.
9349         * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9350         * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9351         (movsicc): Add TARGET_PRETEND_CMOVE code.
9352
9353 2006-03-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9354
9355         * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9356         s390_class_max_nregs): New function prototypes.
9357         * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9358         (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9359         * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9360         CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9361
9362 2006-03-26  Geoffrey Keating  <geoffk@apple.com>
9363
9364         * dwarf2out.c (add_location_or_const_value_attribute): Call
9365         tree_add_const_value_attribute if nothing else works.
9366         (reference_to_unused): New.
9367         (rtl_for_decl_init): Use reference_to_unused to decide whether
9368         to output an initializer.
9369
9370 2006-03-27  Alan Modra  <amodra@bigpond.net.au>
9371
9372         PR target/26459
9373         * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9374         peephole removing spe frob_di_df_2.
9375
9376 2006-03-26  Sebastian Pop  <pop@cri.ensmp.fr>
9377
9378         * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9379         (subscript_dependence_tester_1): Declared.
9380         (print_dir_vectors, print_dist_vectors): New.
9381         (debug_data_dependence_relation): New.
9382         (dump_data_dependence_relation): Print more details.
9383         (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9384         (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9385         (save_dist_v, save_dir_v, add_outer_distances,
9386         build_classic_dist_vector_1): New.
9387         (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9388         Don't test for lambda_vector_lexico_pos.
9389         (same_access_functions, add_multivariate_self_dist,
9390         add_other_self_distances, dir_from_dist): New.
9391         (build_classic_dir_vector): Replace implementation almost identical to
9392         build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9393         dir_from_dist.
9394         (subscript_dependence_tester_1): New.
9395         (subscript_dependence_tester): Handle the lexicographically negative
9396         distance vectors by recomputing the dependence relation.
9397         (compute_affine_dependence): Remove parameter loop_nest_depth.
9398         (compute_self_dependence): Don't call compute_subscript_distance.
9399         (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9400         Add a parameter for the loop_nest.
9401         (find_loop_nest_1, find_loop_nest): New.
9402         (compute_data_dependences_for_loop): Compute the loop nest, and give
9403         up if the nest is not well formed.
9404         * tree-data-ref.h (loop_p): New.
9405         (struct data_dependence_relation): Replace size_vect field with
9406         loop_nest, a vec of loops.
9407         (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9408         (DDR_LOOP_NEST): New.
9409         (print_dir_vectors, print_dist_vectors,
9410         debug_data_dependence_relation): Declared.
9411         (index_in_loop_nest): New.
9412         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9413         DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9414         distance.
9415
9416 2006-03-25  Adam Nemet  <anemet@caviumnetworks.com>
9417
9418         * simplify-rtx.c (simplify_relational_operation): Call
9419         simplify_relational_operation_1 even if mode is VOIDmode.
9420
9421 2006-03-25  Daniel Berlin  <dberlin@dberlin.org>
9422
9423         PR tree-optimization/26804
9424         * tree.h (DECL_CALL_CLOBBERED): New macro.
9425         (tree_decl_common): Add call_clobbered_flag.
9426         * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9427         (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9428         (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9429         (mark_non_addressable): Ditto.
9430         * tree-ssa.c (verify_call_clobbered): New function.
9431         (verify_alias_info): Use it.
9432         * tree-pass.h (pass_reset_cc_flags): New prototype.
9433         * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9434         (reset_cc_flags): New function.
9435         * passes.c (init_optimization_passes): Call reset_cc_flags after
9436         initializing referenced_vars.
9437
9438 2006-03-25  Uros Bizjak  <uros@kss-loka.si>
9439             Roger Sayle  <roger@eyesopen.com>
9440
9441         PR middle-end/26717
9442         * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9443         to 1.0 for non-real operands. Implement A / A optimization for
9444         complex operands.
9445
9446 2006-03-25  H.J. Lu  <hongjiu.lu@intel.com>
9447
9448         * config/i386/i386.c (size_cost): Correct the comment for
9449         cost of storing fp registers.
9450         (i386_cost): Likewise.
9451         (i486_cost): Likewise.
9452         (pentium_cost): Likewise.
9453         (pentiumpro_cost): Likewise.
9454         (k6_cost): Likewise.
9455         (athlon_cost): Likewise.
9456         (k8_cost): Likewise.
9457         (pentium4_cost): Likewise.
9458         (nocona_cost): Likewise.
9459         (generic64_cost): Likewise.
9460         (generic32_cost): Likewise.
9461
9462 2006-03-24  Denis Chertykov  <denisc@overta.ru>
9463
9464         * config/avr/avr-protos.h (extra_constraint): Delete.
9465         (extra_constraint_Q): New declaration.
9466         * config/avr/constraints.md: New file.
9467         * config/avr/avr.md: Include it.
9468         (REG_X, REG_Y, REG_Z, REG_W): New constants.
9469         (TMP_REGNO, ZERO_REGNO): Likewise.
9470         (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9471         * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9472         (extra_constraint): Delete.
9473         (extra_constraint_Q): Test for memory constraint 'Q'.
9474         * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9475         (REG_CLASS_FROM_LETTER): Delete.
9476         (CONST_OK_FOR_LETTER_P): Delete.
9477         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9478         (EXTRA_CONSTRAINT): Delete.
9479         (TMP_REGNO): Delete.
9480         (ZERO_REGNO): Delete.
9481
9482 2006-03-24  Jeff Law  <law@redhat.com>
9483
9484         * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9485         directly.  Call mark_new_vars_to_rename slightly earlier.
9486
9487 2006-03-24  Geoffrey Keating  <geoffk@apple.com>
9488
9489         * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9490         (is_cxx): Likewise.
9491         (gen_compile_unit_die): Use new language types for Objective-C and
9492         Objective-C++.
9493         (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9494         DW_LANG_C_plus_plus.
9495
9496         PR 26793
9497         * config/t-darwin (crt3.o): Work around bug 26840.
9498         * config/darwin-crt3.c: Rewrite.
9499         * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9500
9501 2006-03-24  Carlos O'Donell  <carlos@codesourcery.com>
9502
9503         * doc/invoke.texi: Document -femit-class-debug-always
9504         * common.opt: Add -femit-class-debug-always.
9505
9506 2006-03-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9507
9508         * config/s390/s390.c (s390_decompose_address): Allow SImode for
9509         index and base register.
9510         (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9511         print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9512         with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9513         REGNO_OK_FOR_INDEX_P.
9514         * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9515         ADDR_REGNO_P.
9516         (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9517         REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9518         REG_OK_FOR_BASE_P): Definitions removed.
9519
9520 2006-03-24  Jakub Jelinek  <jakub@redhat.com>
9521
9522         PR middle-end/26611
9523         * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9524         non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9525         set yet or weren't marked as local yet.
9526
9527 2006-03-24  Bernd Schmidt  <bernd.schmidt@analog.com>
9528
9529         * regrename.c (scan_rtx_address): Initialize a variable to shut up
9530         the compiler.
9531
9532 2006-03-24  Eric Botcazou  <ebotcazou@adacore.com>
9533
9534         * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9535         (rs6000_legitimate_small_data_p): Delete.
9536         * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9537         (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9538         and make static.  Add forward declaration.  Update uses.
9539         (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9540         of offsettable_memref_p.
9541         * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9542         Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9543
9544 2006-03-24  Jeff Law  <law@redhat.com>
9545
9546         * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9547         around bug in immediate-use iterator.
9548
9549 2006-03-24  Alan Modra  <amodra@bigpond.net.au>
9550
9551         PR target/26607
9552         * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9553         or __LITTLE_ENDIAN__.
9554
9555 2006-03-23  J"orn Rennecke <joern.rennecke@st.com>
9556
9557         * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9558         * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9559         * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9560         * config/sh/sh.opt (mdiv=): Amend description.
9561         * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9562         (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9563         (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9564         SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9565         (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9566         Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9567         * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9568         (udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
9569         TARGET_DIVIDE_CALL_FP.
9570
9571 2006-03-23  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9572
9573         * haifa-sched.c (choose_ready): Fix type of the local variable.
9574         Move local variables.  Add comment.
9575         (check_reg_live): Change signature.  Make callable from debugger.
9576         * sched-int.h (check_reg_live): Update signature.
9577         * sched-ebb.c (check_reg_live): Update parameters.
9578         * sched-rgn.c (check_reg_live): Ditto.
9579         (region_head_or_leaf_p): Check pointer before dereferencing.
9580         * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9581         before reload on optimization levels below 1.
9582
9583 2006-03-23  Richard Henderson  <rth@redhat.com>
9584
9585         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9586         tls symbols.
9587
9588         PR target/26347
9589         * config/alpha/predicates.md (local_symbolic_operand): Reject
9590         weak symbols.
9591
9592 2006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
9593
9594         PR tree-opt/26795
9595         * tree-ssa-pre.c (create_value_expr_from): Don't reject
9596         expressions which have overflowed constants.
9597
9598 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
9599
9600         * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9601
9602 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
9603
9604         * cfgloopmanip.c (create_loop_notes): Removed.
9605         * final.c (final_scan_insn): Do not handle loop notes.
9606         * jump.c (squeeze_notes): Ditto.
9607         * cfglayout.c (skip_insns_after_block,
9608         duplicate_insn_chain): Ditto.
9609         * cfgcleanup.c (rest_of_handle_jump2): Do not call
9610         create_loop_notes.
9611         * cfgloop.h (create_loop_notes): Declaration removed.
9612
9613 2006-03-23  Richard Sandiford  <richard@codesourcery.com>
9614
9615         * varasm.c (output_constant_pool): Restore fnname and fndecl
9616         arguments.
9617         (assemble_start_function): Adjust call accordingly.
9618         (assemble_end_function): Likewise.
9619
9620 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9621
9622         PR mudflap/26789
9623         * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9624
9625         PR mudflap/26790
9626         * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9627
9628 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9629
9630         PR driver/22600
9631         * system.h (ICE_EXIT_CODE): New macro.
9632         * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9633         (diagnostic_action_after_output): Likewise.
9634         * gcc.c (fatal_ice): New function.
9635         (execute): Use it instead of fatal.
9636         (fancy_abort): Likewise.
9637         * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9638
9639 2006-03-22  Jeff Law  <law@redhat.com>
9640
9641         * loop-unroll.c (analyze_iv_to_split_insn): Handle
9642         iv_analyze_result returning false.
9643
9644 2006-03-22  Jie Zhang  <jie.zhang@analog.com>
9645
9646         * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9647
9648 2006-03-22  Richard Henderson  <rth@redhat.com>
9649
9650         PR middle-end/26084
9651         * except.c (duplicate_eh_regions_0): New.
9652         (duplicate_eh_region_1): Duplicate the children of the node as
9653         well as the node itself.  Link them up properly.
9654         (duplicate_eh_region_2): Merge into ...
9655         (duplicate_eh_regions): ... here.  Take copy_region argument, and
9656         copy only a sub-tree if asked.  Simplify copying and fixup.
9657         (eh_region_outer_p): New.
9658         * except.h (duplicate_eh_regions): Update decl.
9659         (eh_region_outer_p): Declare.
9660         * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9661         (lower_omp_master): Likewise.
9662         (lower_omp_ordered): Likewise.
9663         * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9664         (move_stmt_r): Use it to remap labels.  Handle recursion vs
9665         remap_decls_p properly.
9666         (move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
9667         (find_outermost_region_in_block): New.
9668         (new_label_mapper): New.
9669         (move_sese_region_to_fn): Copy eh information to the new function
9670         properly.
9671         * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9672         argument.
9673         * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9674         number.
9675
9676 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
9677
9678         * doc/md.texi (-mshared): Mention that -mshared code can be linked
9679         into shared libraries.
9680
9681 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
9682
9683         * doc/md.texi: Refer to i386/constraints.md instead of
9684         i386/predicates.md.
9685         * config/i386/constraints.md: New file, extracted from...
9686         * config/i386/predicates.md: ...here.
9687         * config/i386/i386.md: Include constraints.md.
9688
9689 2006-03-21  Jason Merrill  <jason@redhat.com>
9690
9691         * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9692
9693         PR middle-end/20297
9694         * expr.c (init_block_move_fn): Force default visibility.
9695         (init_block_clear_fn): Likewise.
9696         * builtins.c (expand_builtin_fork_or_exec): Likewise.
9697         * targhooks.c (default_external_stack_protect_fail): Likewise.
9698
9699 2006-03-21  Richard Sandiford  <richard@codesourcery.com>
9700
9701         * config/mips/predicates.md (const_call_insn_operand): Allow direct
9702         calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9703         * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9704         Use TARGET_OLDABI instead of !TARGET_NEWABI.
9705         (loadgp): Use mips_current_loadgp_style.
9706         (loadgp_noshared): New pattern.
9707         (sibcall_internal): Use MIPS_CALL.
9708         (sibcall_value_internal): Likewise.
9709         (sibcall_value_multiple_internal): Likewise.
9710         (call_internal): Likewise.
9711         (call_value_internal): Likewise.
9712         (call_value_multiple_internal): Likewise.
9713         (call_split): Use MIPS_CALL and add an 'S' constraint.
9714         (call_value_split): Likewise.
9715         (call_value_multiple_split): Likewise.
9716         * config/mips/mips.opt (-mabicalls): Tweak docstring.
9717         (-mshared): New option.
9718         * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9719         (mips_current_loadgp_style): Declare.
9720         * config/mips/mips.c (mips_classify_symbol): Avoid using
9721         SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
9722         rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9723         TARGET_ABSOLUTE_ABICALLS.
9724         (override_options): Adjust comments.  Improve the warning that is
9725         issued when -mabicalls and -G are used together.
9726         (mips_file_start): Remove comment.
9727         (mips_current_loadgp_style): New function.
9728         (mips_gnu_local_gp): New variable.
9729         (mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
9730         LOADGP_ABSOLUTE.
9731         (mips_output_function_prologue): Use mips_current_laodgp_style.
9732         (mips_expand_prologue): Call mips_emit_loadgp before emitting
9733         the cprestore instruction.
9734         (mips_extra_live_on_entry): Fix reversed test.  Don't make $25
9735         live for TARGET_ABSOLUTE_ABICALLS.
9736         * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9737         (ASM_SPEC): Pass down -mshared and -mno-shared.
9738         (MIPS_CALL): New macro.
9739         * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9740         definition.
9741         * doc/invoke.texi (-mabicalls): Update documentation.
9742         (-mshared): Document.
9743
9744 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
9745
9746         * config/ia64/unwind-hpux.c: New file.
9747         * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9748
9749 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
9750
9751         PR libgomp/26384
9752         * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9753
9754 2006-03-21  Jeff Law  <law@redhat.com>
9755
9756         * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9757         type conversions of a VR_VARYING source to a wider type.
9758
9759 2006-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9760
9761         * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9762         tm_file on Solaris 10 and later.
9763         (sparc64-*-solaris2*): Likewise.
9764         (sparc-*-solaris2*): Likewise.
9765         * config/sol26.h: Rename to config/sol2-6.h.
9766         * config/sol2-10.h: New file.
9767
9768 2006-03-21  Andrew Pinski  <pinskia@physics.uc.edu>
9769
9770         PR tree-opt/26781
9771         * tree-ssa-pre.c (create_component_ref_by_pieces):
9772         Handle STRING_CST.
9773
9774 2006-03-21  Jakub Jelinek  <jakub@redhat.com>
9775
9776         PR c++/26690
9777         * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9778         return it immediately.
9779
9780 2006-03-21  Michael Matz  <matz@suse.de>
9781
9782         * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9783         New members.
9784         (remove_arc, add_arc): Update num_out_arcs member.
9785         (set_out_arc_insns_equiv_num): Returns nothing instead of number
9786         of out arcs.
9787         (cache_presence): New function.
9788         (compare_states_for_equiv): New function.
9789         (state_is_differed): Don't take number of outargs, adjust callers.
9790         Use new invariant for speeding up.
9791         (init_equiv_class): Create initial classes based on sorted
9792         input.
9793         (partition_equiv_class): Don't track out_arcs_num.
9794         (evaluate_equiv_classes): Call cache_presence on all states and
9795         sort them.
9796
9797 2006-03-21  Bernd Schmidt  <bernd.schmidt@analog.com>
9798
9799         * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9800         * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9801         (bfin_valid_reg_p): Test for pseudos explicitly and use only
9802         REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
9803         callers changed.
9804         * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9805         (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9806         (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9807         (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9808         REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9809         macros.
9810         (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9811         REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9812         (REGNO_REG_CLASS): ARGP is in PREGS.
9813         * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9814         IREGS.
9815         (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9816         to deal with those addresses.
9817         * addresses.h: New file.
9818         * caller-save.c: Include "addresses.h".
9819         (init_caller_save): Use new base_reg_class function.
9820         * rtl-factoring.c: Include "addresses.h".
9821         (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9822         * recog.c: Include "addresses.h".
9823         (preprocess_constraints): Use new base_reg_class function.
9824         * regrename.c: Include "addresses.h".
9825         (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9826         functions.  Keep track of a new var INDEX_CODE to compute valid
9827         classes.
9828         (replace_oldest_value_addr): Likewise.
9829         (replace_oldest_value_mem): Use base_reg_class.
9830         * reload.c: Include "addresses.h".
9831         (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9832         (find_reloads): Use new base_reg_class function.
9833         (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9834         (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9835         all callers and prototype changed.
9836         * reload1.c: Include "addresses.h".
9837         (maybe_fix_stack_asms): Use base_reg_class.
9838         * regclass.c: Include "addresses.h".
9839         (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9840         (init_reg_autoinc): Use new base_reg_class function.
9841         (record_reg_classes): Likewise.
9842         (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9843         OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
9844         Use new args to compute necessary class.
9845
9846         * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9847         regrename.o, rtl-factoring.o): Update dependencies.
9848         * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9849         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9850         (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9851         REG_OK_FOR_INDEX_P): Delete documentation.
9852
9853 2006-03-21  Alexey Starovoytov  <alexey.starovoytov@sun.com>
9854
9855         * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9856         from V7 to V9 for Solaris 7 and above.
9857
9858 2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>
9859
9860         * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9861         * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9862         argument pointers may not alias any other storage.
9863         * common.opt: Define option -fargument-noalias-anything.
9864         * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9865         alias semantics is specified by flag_argument_noalias > 2.
9866
9867 2006-03-20  Jeff Law  <law@redhat.com>
9868
9869         * tree-pass.h (pass_phi_only_copy_prop): Delete.
9870         (pass_phi_only_cprop): Declare.
9871         * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9872         with phi_only_cprop
9873         * tree-ssa-dom.c (degenerate_phi_result): New function.
9874         (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9875         (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9876         (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9877         (eliminate_degenerate_phis): Likewise.
9878         (pass_phi_only_cprop): New pass descriptor.
9879         * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9880         support code.  Callers updated.
9881         (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9882         (store_copy_prop): Likewise.
9883         (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9884
9885 2006-03-20  Jason Merrill  <jason@redhat.com>
9886
9887         PR c++/21764
9888         * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9889         (push_visibility, pop_visibility): Likewise.
9890         * c-pragma.h: Declare them.
9891
9892 2006-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9893
9894         * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9895
9896         * config/sh/sh.c (find_regmode_weight): Change the type of the first
9897         parameter and use get_ebb_head_tail.
9898         (sh_md_init_global): Adjust uses of find_regmode_weight.
9899
9900 2006-03-20  Steven Bosscher  <stevenb.gcc@gmail.com>
9901
9902         * function.h (struct function) <x_tail_recursion_reentry>:
9903         Rename to x_stack_check_probe_note.
9904         (tail_recursion_reentry): Rename to stack_check_probe_note.
9905         * function.c: Replace tail_recursion_reentry with
9906         stack_check_probe_note everywhere.
9907         (expand_function_start): Only emit a note for
9908         stack_check_probe_note with -fstack-protect.
9909         * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9910
9911         * emit-rtl.c (remove_unnecessary_notes): Remove.
9912         (pass_remove_unnecessary_notes): Remove.
9913         * rtl.h (remove_unnecessary_notes): Remove prototype.
9914         * final.c (final_start_function): Don't call remove_unnecessary_notes.
9915         * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9916         * passes.c (pass_remove_unnecessary_notes): Don't run it.
9917
9918 2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>
9919
9920         PR tree-opt/26629
9921         * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9922         (valid_in_set): Handle ARRAY_REF.
9923         Change "if min_variant or VH" to asserts.
9924         (create_component_ref_by_pieces): Handle ARRAY_REF.
9925         (create_expression_by_pieces): Likewise.
9926         (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9927
9928 2006-03-20  David Edelsohn  <edelsohn@gnu.org>
9929
9930         * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9931         is operand of switch, not str[0].
9932
9933 2006-03-20  Alan Modra  <amodra@bigpond.net.au>
9934
9935         * config/rs6000/rs6000.c (rs6000_handle_option): Use
9936         TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9937
9938 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
9939
9940         * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9941         end of insn_extra_address_constraint declaration.
9942
9943 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
9944
9945         * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9946         (no-sum-in-toc): Same.
9947         * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9948         variables.
9949         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9950         NO_FP_IN_TOC for -fPIC instead of mask.
9951
9952         * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9953         (BOOT_LDFLAGS): Delete.
9954         (LDFLAGS): Delete.
9955         * config/rs6000/t-aix52: Same.
9956
9957         * config/rs6000/rs6000.md (store_multiple_power): Delete.
9958         (stmsi[345678]_power): New.
9959
9960 2006-03-17  Steve Ellcey  <sje@cup.hp.com>
9961
9962         * config/ia64/ia64.opt: Add empty line to end of file.
9963
9964 2006-03-17  Richard Guenther  <rguenther@suse.de>
9965
9966         PR middle-end/26721
9967         * builtins.c (get_pointer_alignment): For component style references
9968         adjust alignment to the component type alignment.  Make sure
9969         to adjust alignment for component access of constants.
9970
9971 2006-03-17  David Edelsohn  <edelsohn@gnu.org>
9972
9973         * config/rs6000/rs6000.md (strlensi): Emit barrier after
9974         unconditional jump.
9975
9976 2006-03-17  Paul Brook  <paul@codesourcery.com>
9977
9978         * doc/install.texi: Docuemnt --with-mode.
9979         * config.gcc: Add --with-mode for arm*-*-*.
9980         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9981
9982 2006-03-17  J"orn Rennecke <joern.rennecke@st.com>
9983
9984         * sh.c (max_labelno_before_reorg): New variable.
9985         (sh_reorg): Initialize it.
9986         (find_barrier): Check max_labelno_before_reorg before using
9987         label_to_alignment.  Take length of explicit alignment insns
9988         into account.  When seeing a UNSPECV_CONST_END, return it.
9989
9990         * sh.c (fixup_mova): Set mode of affected label to QImode.
9991         (untangle_mova): New function.
9992         (find_barrier): Use it.  Check mode of label before decrementing
9993         num_mova.
9994         (sh_reorg): Likewise.
9995         Set mode of all insns back to VOIDmode.
9996
9997         * sh.c (MOVA_LABELREF): New macro.
9998         (mova_p, fixup_mova, sh_reorg): Use it.
9999         (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10000         ADDR_DIFF_VEC matches mova.
10001
10002 2006-03-17  Steven Bosscher  <stevenb.gcc@gmail.com>
10003
10004         * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10005         with ATTRIBUTE_UNUSED.
10006
10007 2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
10008
10009         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10010         pointer, instead of assuming it is possible to derive the
10011         correct args size from a call insn.
10012
10013 2006-03-16  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10014
10015         * rtl.h (CONST_INT_P): Define.
10016         * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10017         instead of GET_CODE(x) == CONST_INT.
10018         (vax_rtx_costs): Likewise.
10019         (vax_output_int_move): Likewise.
10020         (vax_output_int_add): Likewise.
10021         (legitimate_constant_address_p): Likewise.
10022         (index_term_p): Likewise.
10023         * config/vax/vax.h (PRINT_OPERAND): Likewise.
10024         * config/vax/vax.md (and<mode>3): Likewise.
10025         (ashrsi3): Likewise.
10026         (extv): Likewise.
10027         (movstricthi): Likewise.
10028         (movstrictqi): Likewise.
10029         (rotrsi3): Likewise.
10030         (five unnamed insns): Likewise.
10031
10032 2006-03-16  Geoffrey Keating  <geoffk@apple.com>
10033
10034         * doc/tm.texi (SDB and DWARF): Add extra parameter to
10035         ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
10036         * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10037         * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10038         Pass to ASM_OUTPUT_DWARF_OFFSET.
10039         * dwarf2out.c (debug_frame_section): New.
10040         (output_call_frame_info): Use debug_frame_section.  Pass it to
10041         dw2_asm_output_offset.
10042         (output_die): Pass appropriate section to dw2_asm_output_offset.
10043         (output_compilation_unit_header): Likewise.
10044         (output_pubnames): Likewise.
10045         (output_aranges): Likewise.
10046         (enum dw_val_class): Break dw_val_class_lbl_offset into
10047         dw_val_class_lineptr and dw_val_class_macptr.
10048         (add_AT_lbl_offset): Delete.
10049         (add_AT_lineptr): New.
10050         (add_AT_macptr): New.
10051         (AT_lbl): Expect a lineptr or macptr.
10052         (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10053         (attr_checksum): Likewise.
10054         (same_dw_val_p): Likewise.
10055         (size_of_die): Likewise.
10056         (value_format): Likewise.
10057         (output_die): Likewise.
10058         (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10059         add_AT_lbl_offset.
10060         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10061         * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10062         * config/darwin-protos.h (darwin_file_start): New.
10063         (darwin_asm_output_dwarf_offset): New.
10064         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10065         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10066         darwin_file_start.
10067         * config/darwin.c (darwin_emit_unwind_label): Don't output label
10068         if not EH section; simplify.
10069         (darwin_file_start): New.
10070         (darwin_asm_output_dwarf_offset): New.
10071         * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10072         mark as 'debug'.
10073         (DEBUG_INFO_SECTION): Likewise.
10074         (DEBUG_ABBREV_SECTION): Likewise.
10075         (DEBUG_ARANGES_SECTION): Likewise.
10076         (DEBUG_MACINFO_SECTION): Likewise.
10077         (DEBUG_LINE_SECTION): Likewise.
10078         (DEBUG_LOC_SECTION): Likewise.
10079         (DEBUG_PUBNAMES_SECTION): Likewise.
10080         (DEBUG_STR_SECTION): Likewise.
10081         (DEBUG_RANGES_SECTION): Likewise.
10082         (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10083         (ASM_OUTPUT_DWARF_OFFSET): New.
10084
10085 2006-03-16  Joseph S. Myers  <joseph@codesourcery.com>
10086
10087         * config.gcc (tm_defines): Always add to previous value rather
10088         than replacing it.
10089
10090 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
10091
10092         * config/mips/predicates.md (splittable_const_int_operand): New,
10093         split from move_operand.
10094         (splittable_symbolic_operand): New.
10095         (move_operand): Add commentary.  Use splittable_const_int_operand.
10096         Inline mips_atomic_symbolic_constant_p.
10097         * config/mips/mips.md: Add combine splitters for handling moves
10098         of splittable_const_int_operands and splittable_symbolic_operands.
10099         * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10100         (mips_split_symbol): Declare.
10101         (mips_move_integer): Declare.
10102         * config/mips/mips.c (mips_split_p): Make global.
10103         (TARGET_MIN_ANCHOR_OFFSET): Override default.
10104         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10105         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10106         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10107         (mips_offset_within_object_p): Handle block symbols.
10108         (mips_atomic_symbolic_constant_p): Delete.
10109         (mips_cannot_force_const_mem): Return false for constants that
10110         mips_legitimize_move can handle.
10111         (mips_use_blocks_for_constant_p): New function.
10112         (mips_split_symbol): Make global.
10113         (mips_move_integer): Likewise.  Add a temporary register argument.
10114         (mips_legitimize_const_move): Use splittable_const_int_operand and
10115         splittable_symbolic_operand.
10116         (mips_use_anchors_for_symbol_p): New function.
10117         * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10118         (mips_split_p): Declare.
10119
10120 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
10121
10122         * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10123         (mips*-*-linux*): Likewise.
10124
10125 2006-03-16  Roger Sayle  <roger@eyesopen.com>
10126             Daniel Speyer  <dspeyer@wam.umd.edu>
10127
10128         PR middle-end/18259
10129         * tree-dump.c (dump_real): New function.
10130         (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10131         * Makefile.in (REAL_H): New macro for dependencies on real.h.
10132         (tree-dump.o): Add $(REAL_H) to the dependencies.
10133
10134 2006-03-16  Roger Sayle  <roger@eyesopen.com>
10135
10136         PR middle-end/21781
10137         * real.c (real_from_string): If the mantissa is zero, don't bother
10138         parsing the exponent as the result should always be zero.
10139
10140 2006-03-16  Andreas Krebbel  <krebbel1@de.ibm.com>
10141
10142         * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10143
10144 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10145
10146         * config/ia64/ia64.c (stops_p): Added explicit initialization.
10147         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10148         ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10149         ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10150         ia64_sched_finish_global): New static functions to implement
10151         hooks from gcc_target.sched.
10152         (spec_check_no, max_uid, pending_data_specs): New static variables.
10153         (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10154         ia64_spec_check_src_p): New static functions.
10155         (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10156         (TARGET_SCHED_ADJUST_COST): Removed.
10157         (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10158         TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10159         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10160         TARGET_SCHED_GEN_CHECK,
10161         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10162         TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10163         (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10164         Fixed to handle speculation checks.
10165         (rtx_needs_barrier): Fixed to handle speculative loads and
10166         their checks.
10167         (ia64_variable_issue): Added code to count speculative loads and their
10168         checks.
10169         (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10170         speculative loads.
10171         (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10172         New enumerations.
10173         (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10174         New constants.
10175         (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10176         (ia64_reorg): Reset stops_p to NULL after it is freed.
10177         * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10178         UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10179         (itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
10180         chk_a.
10181         (data_speculative, control_speculative, check_load): New attributes.
10182         (mov<mode>_advanced, mov<mode>_speculative,
10183         mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10184         zero_extend<mode>di2_speculative,
10185         zero_extend<mode>di2_speculative_advanced): New patterns for
10186         data and control speculative loads.
10187         (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10188         check loads.
10189         (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10190         New pattern for data and control speculation checks.
10191         (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10192         ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10193         reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10194         Auxiliary definitions for the patterns.
10195         * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10196         1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10197         constraints.
10198         (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10199         for speculation.
10200         (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10201         * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10202         2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10203         New resource constraints.
10204         (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10205         for speculation.
10206         (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10207         * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10208         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10209         msched-in-control-spec, msched-ldc, msched-control-ldc,
10210         msched-spec-verbose, msched-prefer-non-data-spec-insns,
10211         msched-prefer-non-control-spec-insns,
10212         msched-count-spec-in-critical-path): New flags to tune speculative
10213         scheduling.
10214         * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10215         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10216         msched-in-control-spec, msched-ldc, msched-control-ldc,
10217         msched-spec-verbose, msched-prefer-non-data-spec-insns,
10218         msched-prefer-non-control-spec-insns,
10219         msched-count-spec-in-critical-path): Document new flags.
10220
10221 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10222
10223         * target.h (struct spec_info_def): New opaque declaration.
10224         (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10225         speculate_insn, needs_block_p, gen_check,
10226         first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10227         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10228         TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10229         TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10230         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10231         TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10232         gcc_target.sched.
10233         (TARGET_SCHED): Use new macros.
10234         * rtl.h (copy_DEPS_LIST_list): New prototype.
10235         * sched-int.h (struct sched_info): Change signature of new_ready field,
10236         adjust all initializations. New fields: add_remove_insn,
10237         begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10238         region_head_or_leaf_p.
10239         (struct spec_info_def): New structure declaration.
10240         (spec_info_t): New typedef.
10241         (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10242         recovery_block, orig_pat.
10243         (glat_start, glat_end): New variables declaraions.
10244         (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10245         New access macros.
10246         (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10247         DETACH_LIFE_INFO, USE_GLAT.
10248         (enum SPEC_SCHED_FLAGS): New enumeration.
10249         (NOTE_NOTE_BB_P): New macro.
10250         (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10251         attach_life_info, debug_spec_status, check_reg_live): New functions.
10252         (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10253         all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10254         sched-ebb.c
10255         (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10256         * ddg.c (get_block_head_tail): Adjust all uses.
10257         * modulo-sched.c (get_block_head_tail): Adjust all uses.
10258         (sms_sched_info): Initialize new fields.
10259         (contributes_to_priority): Removed.
10260         * haifa-sched.c (params.h): New include.
10261         (get_block_head_tail): Adjust all uses.
10262         (ISSUE_POINTS): New macro.
10263         (glat_start, glat_end): New global variables.
10264         (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10265         nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10266         old_last_basic_block, before_recovery, current_sched_info_var,
10267         rgn_n_insns, luid): New static variables.
10268         (insn_cost1): New function.  Move logic from insn_cost to here.
10269         (find_insn_reg_weight1): New function.  Move logic from
10270         find_insn_reg_weight to here.
10271         (reemit_notes, move_insn, max_issue): Change signature.
10272         (move_insn1): Removed.
10273         (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10274         extend_bb): New static functions to support extension of scheduler's
10275         data structures.
10276         (generate_recovery_code, process_insn_depend_be_in_spec,
10277         begin_speculative_block, add_to_speculative_block,
10278         init_before_recovery, create_recovery_block, create_check_block_twin,
10279         fix_recovery_deps): New static functions to support
10280         generation of recovery code.
10281         (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10282         restore_bb_notes, move_block_after_check, move_succs): New static
10283         functions to support ebb scheduling.
10284         (init_glat, init_glat1, attach_life_info1, free_glat): New static
10285         functions to support handling of register live information.
10286         (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10287         sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10288         add_jump_dependencies): New static functions.
10289         (check_cfg, has_edge_p, check_sched_flags): New static functions for
10290         consistancy checking.
10291         (debug_spec_status): New function to call from debugger.
10292         (priority): Added code to handle speculation checks.
10293         (rank_for_schedule): Added code to distinguish speculative instructions.
10294         (schedule_insn): Added code to handle speculation checks.
10295         (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10296         Fixed to handle ebbs.
10297         (move_insn): Added code to handle ebb scheduling.
10298         (max_issue): Added code to use ISSUE_POINTS of instructions.
10299         (choose_ready): Added code to choose between speculative and
10300         non-speculative instructions.
10301         (schedule_block): Added code to handle ebb scheduling and scheduling of
10302         speculative instructions.
10303         (sched_init): Initialize new variables.
10304         (sched_finish): Free new variables.  Print statistics.
10305         (try_ready): Added code to handle speculative instructions.
10306         * lists.c (copy_DEPS_LIST_list): New function.
10307         * sched-deps.c (extend_dependency_caches): New function.  Move logic
10308         from create_dependency_caches to here.
10309         (get_dep_weak, ds_merge): Make global.
10310         * genattr.c (main): Code to output prototype for
10311         dfa_clear_single_insn_cache.
10312         * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10313         (output_dfa_clean_insn_cache_func): Code to output
10314         dfa_clear_single_insn_cache function.
10315         * sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
10316         n_insns.
10317         (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10318         Removed.
10319         (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10320         New static variables.
10321         (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10322         fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10323         struct sched_info.
10324         (ebb_sched_info): Initialize new fields.
10325         (get_block_head_tail): Adjust all uses.
10326         (compute_jump_reg_dependencies): Fixed to use glat_start.
10327         (schedule_ebb): Code to remove unreachable last block.
10328         (schedule_ebbs): Added code to update register live information.
10329         * sched-rgn.c (region_sched_info): Initialize new fields.
10330         (get_block_head_tail): Adjust all uses.
10331         (last_was_jump): Removed.  Adjust users.
10332         (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10333         add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10334         Implement new hooks.
10335         (check_dead_notes1): New static function.
10336         (struct region): New fields: dont_calc_deps, has_real_ebb.
10337         (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10338         (BB_TO_BLOCK): Fixed to handle EBBs.
10339         (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10340         (ebb_head): New static variable.
10341         (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10342         (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10343         new fields.
10344         (compute_dom_prob_ps): New assertion.
10345         (check_live_1, update_live_1): Fixed to work with glat_start instead of
10346         global_live_at_start.
10347         (init_ready_list): New assertions.
10348         (can_schedule_ready_p): Split update code to begin_schedule_ready.
10349         (new_ready): Add support for BEGIN_CONTROL speculation.
10350         (schedule_insns): Fixed code that updates register live information
10351         to handle EBBs.
10352         (schedule_region): Fixed to handle EBBs.
10353         (init_regions): Use extend_regions and check_dead_notes1.
10354         * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10355         PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10356         * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10357         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10358         TARGET_SCHED_GEN_CHECK,
10359         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10360         TARGET_SCHED_SET_SCHED_FLAGS): Document.
10361         * doc/invoke.texi (max-sched-insn-conflict-delay,
10362         sched-spec-prob-cutoff): Document.
10363
10364 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10365
10366         * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10367         inter_tick, queue_index.
10368         (struct sched_info): Change signature of init_ready_list field.
10369         Adjust all initializations.
10370         (RESOLVED_DEPS): New access macro.
10371         (ready_add): Remove prototype.
10372         (try_ready): Add prototype.
10373         * sched-rgn.c (init_ready_list): Use try_ready.
10374         (schedule_region): Initialize
10375         current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10376         * sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
10377         (init_ready_list): Use try_ready.
10378         (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10379         * lists.c (remove_list_elem): Remove `static'.
10380         (remove_free_INSN_LIST_elem): New function.
10381         * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10382         * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10383         (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10384         New constants.
10385         (readyp): New variable.
10386         (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10387         change_queue_index, resolve_dep): New static functions.
10388         (try_ready): New function.  Adjust callers in sched-rgn.c and
10389         sched-ebb.c to use it instead of ready_add.
10390         (clock_var): Move at the begining of file.
10391         (rank_for_schedule): Fix typo.
10392         (queue_insn): Add assertion.  Handle QUEUE_INDEX.
10393         (ready_lastpos): Enforce assertion.
10394         (ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
10395         update all callers.
10396         (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10397         (schedule_insn): Rewrite to use try_ready and resolve_dep.
10398         (queue_to_ready): Use free_INSN_LIST_list.
10399         (early_queue_to_ready): Fix typo.
10400         (schedule_block): Init readyp.  Move init_ready_list call after the
10401         initialization of clock_var.  Fix error in rejecting insn by
10402         targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
10403         that previously corrected INSN_TICKs.  Add code for handling
10404         QUEUE_INDEX.
10405         (set_priorities): Fix typo.
10406         (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10407         Clarify comment and code that keeps current_sched_info->next_tail
10408         non-null.
10409
10410 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10411
10412         * sched-rgn.c (extend_rgns): New static function.
10413         (find_rgns): Use it.
10414         (gather_region_statistics, print_region_statistics): New static
10415         functions.
10416         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10417         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10418
10419 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10420             Andrey Belevantsev <abel@ispras.ru>
10421
10422         * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10423         * lists.c (unused_deps_list): New variable.
10424         (free_list): Add assertions to verify the proper distinguishing
10425         between INSN_LISTs and DEPS_LISTs.
10426         (find_list_elem, remove_list_elem, remove_list_node): New static
10427         functions.
10428         (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10429         remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10430         remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10431         (alloc_INSN_LIST): Assert that the list we're working on is indeed
10432         an INSN_LIST.
10433         (free_INSN_LIST_node): Likewise.
10434         * modulo-sched.c (current_sched_info): Initialize flags field.
10435         * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10436         * rtl.def (DEPS_LIST): Define.
10437         * rtl.h: Declare new functions from lists.c.
10438         * sched-deps.c (spec_dependency_cache): New static variable.
10439         (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10440         (add_dependence): Change return type to void.  Move the logic to ...
10441         (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
10442         (delete_all_dependences): Add comment about forward_dependency_cache.
10443         Handle spec_dependency_cache.  Handle DEPS_LISTs.
10444         (fixup_sched_groups): Clarify the change of priority of output
10445         and anti dependencies.
10446         (sched_analyze_2): Adjust add_dependence calls to create data
10447         speculative dependence.
10448         (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10449         Adjust all callers.  Handle DEPS_LISTS.
10450         (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
10451         presence of speculation.
10452         (init_dependency_caches, free_dependency_caches):
10453         Handle spec_dependency_cache.
10454         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10455         estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10456         New static functions.
10457         (add_or_update_back_dep, add_or_update_back_forw_dep,
10458         add_back_forw_dep, delete_back_forw_dep): New functions.
10459         * sched-int.h (ds_t, dw_t): New typedefs.
10460         (struct sched_info): Add new field flags.
10461         (struct haifa_insn_data): Add new bitfield has_internal_dep.
10462         Prototype new sched-deps.c functions.
10463         (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10464         (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10465         MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10466         BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10467         SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10468         SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10469         New constants.
10470         (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10471         New enums.
10472         * sched-rgn.c (current_sched_info): Initialize flags field.
10473         (schedule_insns): Initialize current_sched_info before the sched_init
10474         call.
10475         * sched-ebb.c (current_sched_info): Initialize flags field.
10476         (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10477         Call add_or_update_back_dep instead of add_dependence.
10478         Create control speculative dependencies.
10479         (schedule_insns): Initialize current_sched_info before the sched_init
10480         call.
10481
10482 2006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
10483
10484         * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10485         fs->signal_frame.
10486         (sh_fallback_frame_state): Likewise.
10487
10488 2006-03-15  Geoffrey Keating  <geoffk@apple.com>
10489
10490         * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10491         Do switch on default_use_cxa_atexit.
10492         (powerpc*-*-darwin*): Build crt2.o on powerpc.
10493         * config/darwin-crt3.o: New.
10494         * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10495         to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
10496         (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10497         OS version.
10498         * config/rs6000/t-darwin: Move crt2.o building to here.
10499         * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10500         Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
10501         of __cxa_atexit.
10502
10503 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10504
10505         * config/vax/vax.c (nonindexed_address_p): Change logical negation
10506         from '! xxx' to '!xxx' for coding-style conformance.
10507         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10508         (EXTRA_CONSTRAINT): Likewise.
10509         * config/vax/vax.md (four unnamed insns): Likewise.
10510
10511 2006-03-15  Paul Brook  <paul@codesourcery.com>
10512
10513         * config/arm/arm.c (minipool_pad): New.
10514         (add_minipool_forward_ref): Include pool alignment padding in address
10515         calculation.
10516         (push_minipool_fix): Set minipool_pad.
10517         (minipool_pad): Ditto.
10518
10519 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10520
10521         * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10522         instead of GET_CODE() == MEM and REG_P() instead of
10523         GET_CODE() == REG.
10524         (print_operand_address): Likewise.
10525         (vax_address_cost): Likewise.
10526         (vax_rtx_costs): Likewise.
10527         (vax_notice_update_cc): Likewise.
10528         (vax_output_int_add): Likewise.
10529         (INDEX_REGISTER_P): Likewise.
10530         (BASE_REGISTER_P): Likewise.
10531         (nonindexed_address_p): Likewise.
10532         (vax_mode_dependent_address_p): Likewise.
10533         * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10534         (PRINT_OPERAND): Likewise.
10535         * config/vax/vax.md (ashlsi3): Likewise.
10536         (ashlsi3): Likewise.
10537         (some more unnamed insns): Likewise.
10538
10539 2006-03-15  Kazu Hirata  <kazu@codesourcery.com>
10540
10541         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10542         iterator-style macro.
10543         (mark_control_dependent_edges_necessary): Update the use of
10544         EXECUTE_IF_CONTROL_DEPENDENT.
10545
10546 2006-03-15  J"orn Rennecke <joern.rennecke@st.com>
10547
10548         * config/sh/predicates.md (cache_address_operand): Special.
10549         (ua_address_operand): Likewise.
10550
10551 2006-03-15  Zdenek Dvorak <dvorakz@suse.cz>
10552
10553         * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10554         loop notes.
10555         * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10556
10557 2006-03-15  Andreas Schwab  <schwab@suse.de>
10558
10559         * gensupport.c (identify_predicable_attribute): Don't free p_false
10560         when it is still in use.
10561
10562 2006-03-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
10563
10564         * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10565         the default setting here.
10566
10567 2006-03-14  Steven Bosscher  <stevenb.gcc@gmail.com>
10568
10569         * tree-pass.h (pass_cfg): Remove.
10570         * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10571         * passes.c (pass_cfg): Don't run it.
10572
10573 2006-03-14  Kazu Hirata  <kazu@codesourcery.com>
10574
10575         * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10576         * reg-stack.c (stack_regs_mentioned_data): Change the type to
10577         VEC(char,heap) *.
10578         (stack_regs_mentioned): Update the uses of
10579         stack_regs_mentioned_data.  Don't access the array beyond its
10580         end.
10581         (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10582         Don't include gt-reg-stack.h.
10583
10584         * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10585         * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10586
10587         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10588
10589         PR middle-end/26684
10590         * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10591         STACK_REGS.
10592
10593 2006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10594
10595         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10596
10597 2006-03-14  Richard Guenther  <rguenther@suse.de>
10598
10599         PR tree-optimization/26672
10600         * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10601         SSA form.
10602
10603 2006-03-14  Richard Guenther  <rguenther@suse.de>
10604
10605         PR tree-optimization/26667
10606         * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10607         node for the callees.  Always allow inlining if it will shrink
10608         the function size.
10609
10610 2006-03-14  Richard Guenther  <rguenther@suse.de>
10611
10612         PR middle-end/26659
10613         * builtins.c (get_pointer_alignment): Prefer alignment
10614         information from decls over that from types.
10615
10616 2006-03-14  Andrew Pinski  <pinskia@physics.uc.edu>
10617
10618         PR target/26657
10619         * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10620
10621 2006-03-14  Joseph S. Myers  <joseph@codesourcery.com>
10622
10623         * config/rs6000/rs6000.opt (mdlmzb): New option.
10624         (msched-prolog, msched-epilog): Use Var not Mask.
10625         * doc/invoke.texi (-mdlmzb): Document.
10626         * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10627         MASK_SCHED_PROLOG.
10628         (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10629         * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10630
10631 2006-03-13  Uttam Pawar  <uttamp@us.ibm.com>
10632
10633         PR rtl-optimization/25739
10634         * bt-load.c (augment_live_range): Free tos pointer.
10635
10636         * gensupport.c (identify_predicable_attribute): Free
10637         p_false pointer.
10638         * gcov.c (create_file_names): Free name pointer.
10639
10640 2006-03-13  Roger Sayle  <roger@eyesopen.com>
10641
10642         PR middle-end/26557
10643         * stmt.c (emit_case_nodes): Handle the case where the index is a
10644         CONST_INT, where the comparison mode is specified by the index type.
10645
10646 2006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10647
10648         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10649         is defined.
10650
10651 2006-03-13  Richard Sandiford  <richard@codesourcery.com>
10652
10653         * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10654         (*branch_fp_inverted): Likewise.
10655
10656 2006-03-13  Jakub Jelinek  <jakub@redhat.com>
10657
10658         PR middle-end/25989
10659         * omp-low.c (expand_omp_for_generic): Mark istart0
10660         and iend0 as addressable.
10661
10662 2006-03-13  Jie Zhang  <jie.zhang@analog.com>
10663
10664         * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10665
10666 2006-03-13  Jeff Law  <law@redhat.com>
10667
10668         * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10669         virtual operands are interesting.
10670         (vrp_visit_stmt): Corresponding changes.
10671
10672 2006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10673
10674         * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10675         of RETS.
10676         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10677         TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10678         * config/bfin/crti.S: Use it instead of __PIC__.
10679         * config/bfin/crtn.S: Likewise.
10680
10681         * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10682         call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10683         not if flag_pic.
10684         Lose 'G' modifier for call operand.
10685         * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10686         recognize 'G' modifier.
10687
10688 2006-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10689
10690         PR middle-end/18859
10691         * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10692         * stmt.c (expand_case): Likewise.
10693
10694 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10695
10696         PR rtl-optimization/26254
10697         * loop-invariant.c (seq_insns_valid_p): New function.
10698         (move_invariant_reg): Only emit new code if it is valid.
10699
10700 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10701
10702         * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10703         Removed.
10704         (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10705         (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10706         (commit_one_edge_insertion): Do not look for loop notes.
10707
10708 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10709
10710         * jump.c (follow_jumps): Do not check for loop notes.  Move check for
10711         flag_test_coverage out of loop.
10712
10713 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10714
10715         * final.c (shorten_branches): Remove outdated comment, and turn
10716         the if branch that guards it to continue.
10717
10718 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10719
10720         * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10721         * cfgloop.h (struct loop): Remove unused fields.
10722
10723 2006-03-13  Kazu Hirata  <kazu@codesourcery.com>
10724
10725         * doc/invoke.texi (-fdump-rtl-loop): Remove.
10726         (-dL, -fdump-rtl-loop2): Update the dump file names
10727
10728         * doc/invoke.texi: Update dump file names.
10729
10730 2006-03-12  Steven Bosscher  <stevenb.gcc@gmail.com>
10731
10732         * predict.c (estimate_probability): Remove.
10733         * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10734         * basic-block.h (estimate_probability): Remove prototype.
10735         * passes.c (finish_optimization_passes): Dump branch prediction or
10736         profiling heuristics to the .profile tree dump.
10737         (init_optimization_passes): Unqueue pass_branch_prob.
10738
10739         * doc/invoke.texi (-fdump-rtl-bp): Remove.
10740
10741 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10742
10743         * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10744         * rtl.h (LABEL_NEXTREF): Remove field accessor.
10745
10746 2006-03-11  Eric Botcazou  <ebotcazou@adacore.com>
10747
10748         * function.h (frame_offset_overflow): Declare.
10749         * function.c (frame_offset_overflow): New function.
10750         (assign_stack_local_1): Call it to detect that the offset overflows.
10751         * cfgexpand.c (alloc_stack_frame_space): Likewise.
10752
10753 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10754
10755         * config/sh/sh.c: Include alloc-pool.h.
10756         (label_ref_list_pool): New alloc pool.
10757         (label_ref_list_t): New type for lists of labels.
10758         (struct pool_node): Make wend a label_ref_list_t.
10759         (add_constant): Use the new type, eradicate LABEL_NEXTREF
10760         references.
10761         (dump_table): Likewise.
10762         (sh_reorg): Set up the alloc pool before using add_constant and
10763         dump_table, and destroy it when finishing.
10764
10765 2006-03-11  Richard Sandiford  <richard@codesourcery.com>
10766
10767         * config/mips/mips.c: Remove redundant comment.
10768
10769 2006-03-10  Jason Merrill  <jason@redhat.com>
10770
10771         PR c/26004
10772         * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10773         the target was declared 'register'.
10774
10775 2006-03-10  Adam Nemet  <anemet@caviumnetworks.com>
10776
10777         * genpreds.c (write_insn_constraint_len): Change definition of
10778         insn_constraint_len to return size_t to match the declaration.
10779
10780 2006-03-10  DJ Delorie  <dj@redhat.com>
10781
10782         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10783         start at zero.
10784         (m32c_expand_insv): Fix test for an AND mask.
10785
10786 2006-03-10  Richard Guenther  <rguenther@suse.de>
10787
10788         PR middle-end/26565
10789         * builtins.c (get_pointer_alignment): Handle component
10790         references for field alignment.
10791
10792 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
10793
10794         * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10795         when building with libgloss.
10796         (sh*elf): Implement --without-fp option.
10797         (sh64-superh-linux*): Don't multilib.
10798
10799 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
10800
10801         * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10802
10803 2006-03-09  Andrew Pinski  <pinskia@physics.uc.edu>
10804
10805         * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10806         Set it when one of the replacement functions returned true.
10807         Return TODO_cleanup_cfg if cfgchanged is true.
10808         (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10809
10810 2006-03-09  Adam Nemet  <anemet@caviumnetworks.com>
10811
10812         * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10813         instead of gen_lowpart.
10814
10815 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
10816
10817         * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10818         interface.
10819         (mips_output_order_conditional_branch): Declare.
10820         * config/mips/mips.h (MIPS_BRANCH): New macro.
10821         * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10822         for the comparison.  Use gen_condjump.
10823         (mips_output_conditional_branch): Rework interface to take the
10824         asm templates for a direct branch and the inverse of a direct branch.
10825         (mips_output_order_conditional_branch): New function.
10826         (mips_builtin_branch_and_move): New function.
10827         (mips_expand_builtin_compare): Use it.  Use VOIDmode for the
10828         branch condition.  Use gen_single_cc as the condition for
10829         __builtin_mips_upper_* or __builtin_mips_lower_*.
10830         (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10831         Use VOIDmode for the branch condition.
10832         * config/mips/predicates.md (order_operator): New predicate.
10833         * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10834         (branch_fp): Rename to...
10835         (*branch_fp): ...this.  Remove mode from comparison operator.
10836         Use new mips_output_conditional_branch interface.
10837         (branch_fp_inverted): Rename to...
10838         (*branch_fp_inverted): ...this and update as for *branch_fp.
10839         (*branch_zero<mode>): Rename to...
10840         (*branch_order<mode>): ...this.  Remove mode from comparison operator.
10841         Use mips_output_order_conditional_branch.  Only accept ordered
10842         comparisons.
10843         (*branch_zero<mode>_inverted): Rename to...
10844         (*branch_order<mode>_inverted): ...this and update as for
10845         *branch_order<mode>.
10846         (*branch_equality<mode>): Accept zero as the second operand to
10847         the equality operator.  Use the new mips_output_conditional_branch
10848         interface.
10849         (*branch_equality<mode>_inverted): Likewise.
10850         (condjump): New expander.
10851         * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10852         operator.
10853         * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10854         (bc1any2t, bc1any2f): Likewise.
10855         (single_cc): New expander.
10856         (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10857
10858 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
10859
10860         * doc/md.texi: Update documentation of MIPS constraints.
10861         * config/mips/constraints.md: New file.
10862         * config/mips/mips.md: Include it.
10863         * config/mips/mips.c (mips_char_to_class): Delete.
10864         (override_options): Don't initialize mips_char_to_class.
10865         * config/mips/mips.h (mips_char_to_class): Delete.
10866         (REG_CLASS_FROM_LETTER): Delete.
10867         (CONST_OK_FOR_LETTER_P): Delete.
10868         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10869         (EXTRA_CONSTRAINT_Y): Delete.
10870         (EXTRA_CONSTRAINT_STR): Delete.
10871         (CONSTRAINT_LEN): Delete.
10872         (EXTRA_MEMORY_CONSTRAINT): Delete.
10873
10874 2006-03-09  Diego Novillo  <dnovillo@redhat.com>
10875
10876         * tree-cfg.c (move_block_to_fn): Remove the statements from the
10877         original fn's eh regions.
10878
10879 2006-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10880
10881         * fold-const.c (build_range_check): Make sure to use a valid type to
10882         apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10883         transformation.
10884
10885         (range_predecessor): New static function.
10886         (range_successor): Likewise.
10887         (merge_ranges): Use them to compute predecessors and successors of
10888         range bounds.
10889
10890 2006-03-09  Roger Sayle  <roger@eyesopen.com>
10891
10892         PR middle-end/26561
10893         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10894         X op C3, consider whether C3 overflows towards +Inf or -Inf.
10895
10896 2006-03-08  DJ Delorie  <dj@redhat.com>
10897
10898         * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10899         (addpsi3): Expand to include memory operands.  Remove
10900         reload-specific splits.
10901         * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10902         (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10903         (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10904         (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10905         (shift1_qi, shift1_hi, insv): New.
10906         * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10907         (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10908         cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10909         cond_to_int): New.
10910         * config/m32c/m32c-protos.h: Update as needed.
10911         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10912         default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
10913         Fail for unrecognized R* constraints.
10914         (m32c_cannot_change_mode_class): Be more picky about pseudos.
10915         (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10916         (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10917         Add Sp constraint.
10918         (m32c_init_libfuncs): New.
10919         (m32c_legitimate_address_p): Add debug wrapper.
10920         (m32c_rtx_costs): New.
10921         (m32c_address_cost): New.
10922         (conversions): Add 'B' prefix.
10923         (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10924         operands, or word regnames for QI operands.  'B' prints bit
10925         position.
10926         (m32c_expand_setmemhi): New.
10927         (m32c_expand_movmemhi): New.
10928         (m32c_expand_movstr): New.
10929         (m32c_expand_cmpstr): New.
10930         (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10931         (m32c_expand_neg_mulpsi3): Handle non-ints.
10932         (m32c_cmp_flg_0): New.
10933         (m32c_expand_movcc): New.
10934         (m32c_expand_insv): New.
10935         (m32c_scc_pattern): New.
10936         * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
10937         a0/a1 out of SIregs.
10938         (STORE_FLAG_VALUE): New.
10939         * config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
10940         code macros.
10941         (no_insn): New.
10942         * config/m32c/mov.md: Make constraints more liberal.
10943         (zero_extendqihi2): Optimize r0/r1 case.
10944         * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10945         * config/m32c/predicates.md (m32c_any_operand): New.
10946         (m32c_nonimmediate_operand): New.
10947         (m32c_hl_operand): New.
10948         (m32c_r3_operand): New.
10949         (ap_operand): New.
10950         (ma_operand): New.
10951         (memsym_operand): New.
10952         (memimmed_operand): New.
10953         (a_qi_operand): New.
10954         (m32c_eqne_operator): New.
10955         (m32c_1bit8_operand): New.
10956         (m32c_1bit16_operand): New.
10957         (m32c_1mask8_operand): New.
10958         (m32c_1mask16_operand): New.
10959         * config/m32c/blkmov.md: New file.
10960         * config/m32c/t-m32c (MD_FILES): Add blkmov.
10961
10962 2006-03-08  Andreas Tobler  <a.tobler@schweiz.ch>
10963
10964         * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10965         unsigned to fix signed/unsigned comparison issue in
10966         DWARF2_FRAME_REG_OUT.
10967         (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10968         unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10969
10970         * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10971         of ptr into the ENABLE_CHECKING section.
10972
10973 2006-03-08  Jeff Law  <law@redhat.com>
10974
10975         * tree-vrp.c (infer_value_range): Only count pointer uses
10976         and dereferences if -fdelete-null-pointer-checks is enabled.
10977
10978         * tree-vrp.c (find_assert_locations): Infer value ranges for
10979         single use pointers, but do not create ASSERT_EXPRs for them.
10980         When a non-null range is inferred for a pointer, backwards
10981         propagate that range to other equivalent pointers through the
10982         use-def chain.
10983
10984 2006-03-08  Paolo Bonzini  <bonzini@gnu.org>
10985
10986         PR bootstrap/26500
10987         * Makefile.in (dvi, html, install-info): Invoke the corresponding
10988         language hook targets.
10989         * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10990         objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10991         if language hook targets were missing.
10992
10993 2006-03-07  Zdenek Dvorak <dvorakz@suse.cz>
10994
10995         * tree-ssa-opfinalize.h: Removed.
10996         * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10997         dependency.
10998         * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10999         (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11000         INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11001         add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11002         finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11003         finalize_ssa_v_must_def_ops): New.
11004
11005 2006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>
11006
11007         * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11008         block as parameter.
11009
11010 2006-03-07  Geoffrey Keating  <geoffk@apple.com>
11011
11012         * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11013
11014         * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11015         addresses with offsets; reorganize.
11016
11017         * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11018         (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11019         (expand_builtin_init_dwarf_reg_sizes): Likewise.
11020
11021 2006-03-08  David Billinghurst <David.Billinghurst@riotinto.com>
11022
11023         PR target/26588
11024         * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11025
11026 2006-03-08  Ben Elliston  <bje@au.ibm.com>
11027
11028         * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11029
11030 2006-03-07  Aldy Hernandez  <aldyh@redhat.com>
11031
11032         PR gomp/26238
11033         * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11034         expansion.
11035
11036 2006-03-07  Richard Guenther  <rguenther@suse.de>
11037
11038         PR tree-optimization/26587
11039         * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11040
11041 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
11042
11043         * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11044
11045 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
11046
11047         * hooks.c (hook_bool_mode_rtx_true): New function.
11048         * hooks.h (hook_bool_mode_rtx_true): Declare.
11049         * toplev.c (compile_file): Call output_shared_constant_pool.
11050         * varasm.c (shared_constant_pool): New variable.
11051         (assemble_start_function, assemble_end_function): Remove arguments
11052         from call to output_constant_pool.
11053         (create_constant_pool): New function, split out from...
11054         (init_varasm_status): ...here.
11055         (force_const_mem): Choose between the shared and per-function constant
11056         pools.  Set current_function_uses_const_pool when reusing old entries
11057         as well as when creating new ones.
11058         (mark_constant): Ignore data argument.
11059         (mark_constants): Remove pool argument.
11060         (mark_constant_pool): Likewise.  Use current_function_uses_const_pool
11061         to decide whether the function uses a constant pool.
11062         (output_constant_pool_contents): New function, split out from...
11063         (output_constant_pool): ...here.
11064         (output_shared_constant_pool): New function.
11065         (init_varasm_once): Initialize shared_constant_pool.
11066         * output.h (output_constant_pool): Delete.
11067         (output_shared_constant_pool): Declare.
11068         * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11069         * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11070
11071 2006-03-06  Nick Clifton  <nickc@redhat.com>
11072
11073         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11074         flag_strength_reduce.
11075
11076 2006-03-06  Ben Elliston  <bje@au.ibm.com>
11077
11078         * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11079         x86_64-*-linux* configurations.
11080
11081         * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11082         (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11083
11084 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11085
11086         * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11087         Remove.
11088         * basic-block.h: Remove the extern for
11089         rediscover_loops_after_threading.
11090
11091         * cfgloop.c (cancel_loop): Make it static.
11092         * cfgloop.h: Remove the prototype for cancel_loop.
11093
11094         * flow.c (recompute_reg_usage): Make it static.
11095         * rtl.h: Remove the prototype for recompute_reg_usage.
11096
11097         * function.c (use_return_register): Make it static.
11098         * function.h: Remove the prototype.
11099
11100 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11101
11102         * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11103         Remove.
11104         * recog.h: Remove the prototype for
11105         validate_change_maybe_volatile.
11106
11107 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11108
11109         * rtlanal.c (replace_reg): Remove.
11110         * rtl.h: Remove the prototype for replace_reg.
11111
11112 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11113
11114         * regclass.c (reg_scan_update): Remove.
11115         (reg_scan_mark_refs): Remove the last argument.
11116         * rtl.h: Remove the prototype for reg_scan_update.
11117
11118 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11119
11120         * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11121         combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11122         config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11123         config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11124         df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11125         loop-invariant.c, omp-low.c, opts.c, passes.c,
11126         rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11127         tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11128         tree-ssa-structalias.c, tree-ssa-threadedge.c,
11129         tree-ssa-threadupdate.c, tree-vect-patterns.c,
11130         tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11131         unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
11132
11133 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11134
11135         * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11136         * dwarf2out.h: Remove the prototype for
11137         dwarf2out_add_library_unit_info.
11138
11139 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11140
11141         * tree.c (add_var_to_bind_expr): Remove.
11142         * tree.h: Remove the prototype for add_var_to_bind_expr.
11143
11144 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11145
11146         * regclass.c (n_non_fixed_regs): Remove.
11147         (init_reg_sets_1, globalize_reg): Remove all uses of
11148         n_non_fixed_regs.
11149         * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11150
11151 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11152
11153         * rtlanal.c (insns_safe_to_move_p): Remove.
11154         * rtl.h: Remove the prototype for insns_safe_to_move_p.
11155
11156 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11157
11158         * expmed.c (expand_mult_add): Remove.
11159         * expr.h: Remove the prototype for expand_mult_add.
11160
11161 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
11162
11163         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11164         and REG_SAVED_VAL_EXP constants.
11165         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11166         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11167         Handle regs stored by value.
11168         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11169         (execute_cfa_program): Handle DW_CFA_val_offset,
11170         DW_CFA_val_offset_sf and DW_CFA_val_expression.
11171         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11172         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11173         (uw_install_context_1): Handle target regs stored by value.
11174
11175 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
11176
11177         * tree-sra.c (tree_sra): Return todoflags;
11178         (generate_one_element): Set TODO_update_smt_usage if needed.
11179         (pass_sra): Remove TODO_update_smt_usage.
11180         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11181         parameter.
11182         (tree_ssa_forward_propagate_single_use_vars): Return
11183         TODO_update_smt_usage if we need to update SMT usage.
11184         (pass_forwprop): Remove TODO_update_smt_usage.
11185
11186 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
11187
11188         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
11189         (correct_use_link): Remove reference to get_stmt_operands.
11190         (update_stmt_operands): Likewise.
11191         (get_modify_expr_operands): New function factored out of
11192         parse_ssa_operands and get_expr_operands.
11193         Try to create V_MUST_DEFs for LHS by default.
11194         (get_expr_operands) <case MODIFY_EXPR>: Call
11195         get_modify_expr_operands.
11196         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11197         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11198         (parse_ssa_operands) <case MODIFY_EXPR>: Call
11199         get_modify_expr_operands.
11200
11201 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
11202
11203         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11204         * tree-flow.h: Remove the prototype for
11205         referenced_var_lookup_if_exists.
11206
11207 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
11208
11209         PR rtl-optimization/26345
11210         PR target/19061
11211         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11212
11213 2006-03-03  Roger Sayle  <roger@eyesopen.com>
11214
11215         PR tree-optimization/26524
11216         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11217         fold_convert to create a constant of the appropriate type.
11218
11219 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
11220
11221         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11222         SYMBOL_REF_IN_BLOCK_P.
11223         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11224         of SYMBOL_FLAG_IN_BLOCK.
11225         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11226         instead of SYMBOL_REF_IN_BLOCK_P.
11227         * explow.c (use_anchored_address): Likewise.
11228         * rtl.c (rtx_size): Likewise.
11229         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11230         instead of SYMBOL_FLAG_IN_BLOCK.
11231         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11232         SYMBOL_REF_IN_BLOCK_P.
11233         (assemble_variable): Likewise.
11234         (output_constant_def_contents): Likewise.
11235         (output_constant_pool): Likewise.
11236         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11237         instead of SYMBOL_FLAG_IN_BLOCK.
11238         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11239         SYMBOL_REF_IN_BLOCK_P.
11240         (SYMBOL_REF_BLOCK): Likewise.
11241         (SYMBOL_REF_OFFSET): Likewise.
11242         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11243         SYMBOL_REF_IN_BLOCK_P.
11244         (SYMBOL_FLAG_IN_BLOCK): Replace with...
11245         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11246         (SYMBOL_REF_IN_BLOCK_P): Replace with...
11247         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11248
11249 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
11250
11251         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11252
11253 2006-03-02  Roger Sayle  <roger@eyesopen.com>
11254
11255         * simplify-rtx.c (simplify_unary_operation): When simplifying
11256         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11257         that we perform the right shift in the appropriate mode, and
11258         then extend or truncate the result to requested mode.
11259
11260 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
11261
11262         * gengtype.c (main): Handle double_int type.
11263         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11264         * double-int.c: New file.
11265         * double-int.h: New file.
11266         * system.h: Include doubleint.h.
11267         * Makefile.in (SYSTEM_H): Include double-int.h.
11268         (double-int.o): Add.
11269
11270 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
11271
11272         PR bootstrap/26478
11273         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11274         copying over it.
11275
11276 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11277
11278         * tree-vrp.c (remove_range_assertions): Do not update statements
11279         unnecessarily.
11280
11281 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11282
11283         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11284         cleanup.
11285         * gcse.c (rest_of_handle_gcse): Ditto.
11286         * except.c (gate_handle_eh): Ditto.
11287         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11288         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11289
11290 2006-03-02  Eric Christopher  <echristo@apple.com>
11291
11292         * config/i386/i386.c (machopic_output_stub): Add indirection to
11293         jump.
11294
11295 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11296
11297         * loop.c: Removed.
11298
11299 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
11300
11301         Sun Niagara specific optimizations.
11302         * config.gcc: Recognize niagara as target.
11303         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11304         (TARGET_CPU_niagara): Define.
11305         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11306         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11307         (CPP_CPU_SPEC): Handle -mcpu=niagara.
11308         (ASM_CPU_SPEC): Likewise.
11309         (PROCESSOR_NIAGARA): New enum entry.
11310         (REGISTER_MOVE_COST): Handle Niagara.
11311         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11312         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11313         (sparc_override_options): Recognize "niagara", set appropriate
11314         default MASK_* values for it, and align functions to 32-bytes
11315         by default just like ULTRASPARC/ULTRASPARC3.
11316         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11317         (sparc64_initialize_trampoline): Likewise.
11318         (sparc_use_sched_lookahead): Use zero for niagara.
11319         (sparc_issue_rate): Use one for niagara.
11320         * config/sparc/niagara.md: New file.
11321         * config/sparc/sparc.md: Include it.
11322         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11323         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11324         when default cpu is niagara.
11325         (CPP_CPU_SPEC): Handle -mcpu=niagara.
11326         (ASM_CPU_SPEC): Likewise.
11327         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11328         when default cpu is niagara.
11329         (ASM_CPU_SPEC): Handle -mcpu=niagara.
11330         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11331         just like v9/ultrasparc/ultrasparc3.
11332         * doc/invoke.texi: Add documentation for "niagara" and improve
11333         existing documentation for ultrasparc variants.
11334
11335 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
11336
11337         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11338
11339 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
11340
11341         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11342         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11343         and say that only one is needed.
11344         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11345         * target.h (have_switchable_bss_sections): New hook.
11346         * explow.c (use_anchored_address): Check that the symbol is in a block.
11347         * varasm.c (tls_comm_section, comm_section, lcomm_section)
11348         (bss_noswitch_section): New variables.
11349         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11350         (get_noswitch_section): New function.
11351         (get_block_for_section): Allow SECT to be null.
11352         (unlikely_text_section_p): Use SECTION_STYLE.
11353         (bss_initializer_p): New function.
11354         (get_variable_section): Move earlier in file.  Take a new argument,
11355         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
11356         Return one of the new *_sections in such cases.
11357         (get_block_for_decl): New function, extracting some logic from
11358         use_blocks_for_decl_p.
11359         (change_symbol_section): Remove in favor of...
11360         (change_symbol_block): ...this new function.
11361         (use_blocks_for_decl_p): Remove checks now performed by
11362         get_block_for_decl.
11363         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11364         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11365         (emit_local, emit_bss, emit_common): ...these new functions.
11366         Return true if the alignment was honored.
11367         (emit_tls_common): New function.
11368         (asm_emit_uninitialised): Delete.
11369         (assemble_variable_noswitch): New function, split out from...
11370         (assemble_variable): ...here.  Don't make decisions about common
11371         variables here.  Globalize all public decls that go into non-common
11372         sections.  Check whether SYMBOL_REF_BLOCK is null.
11373         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11374         (output_constant_pool): Likewise.
11375         (init_varasm_once): Initialize the new section variables.
11376         (have_global_bss_p): New function.
11377         (categorize_decl_for_section): Use bss_initializer_p.
11378         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
11379         (place_block_symbol): Assert that the symbol must be in a block.
11380         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11381         (TARGET_INITIALIZER): Include it.
11382         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11383         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11384         (SECTION_MACH_DEP): Bump by two.
11385         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11386         (unnamed_section): Mention SECTION_UNNAMED in comment.
11387         (named_section): Likewise SECTION_NAMED.
11388         (noswitch_section_callback): New type.
11389         (noswitch_section): New structure.
11390         (section): Add a noswitch_section alternative.
11391         (SECTION_STYLE): New macro.
11392         (tls_comm_section, comm_section, lcomm_section): Declare.
11393         (bss_noswitch_section, have_global_bss_p): Declare.
11394         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11395         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11396         Override.
11397         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11398         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11399         Override.
11400
11401 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
11402
11403         * tree-vrp.c (execute_vrp): Return value.
11404         * regrename.c (rest_of_handle_regrename): Ditto.
11405         * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11406         * tree-complex.c (tree_lower_complex): Ditto.
11407         (tree_lower_complex_O0): Ditto.
11408         * tracer.c (rest_of_handle_tracer): Ditto.
11409         * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11410         * postreload.c (rest_of_handle_postreload): Ditto.
11411         * tree-tailcall.c (execute_tail_recursion): Ditto.
11412         (execute_tail_calls): Ditto.
11413         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11414         * tree.h (init_function_for_compilation): Ditto.
11415         * ipa-cp.c (ipcp_driver): Ditto.
11416         * tree-scalar-evolution.c (scev_const_prop): Ditto.
11417         * tree-scalar-evolution.h (scev_const_prop): Ditto.
11418         * final.c (compute_alignments): Ditto.
11419         (rest_of_handle_final): Ditto.
11420         (rest_of_handle_shorten_branches): Ditto.
11421         (rest_of_clean_state): Ditto.
11422         * omp-low.c (execute_expand_omp): Ditto.
11423         (execute_lower_omp): Ditto.
11424         * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11425         * ipa-reference.c (static_execute): Ditto.
11426         * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11427         * reorg.c (rest_of_handle_delay_slots): Ditto.
11428         (rest_of_handle_machine_reorg): Ditto.
11429         * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11430         * flow.c (recompute_reg_usage): Ditto.
11431         (rest_of_handle_remove_death_notes): Ditto.
11432         (rest_of_handle_life): Ditto.
11433         (rest_of_handle_flow2): Ditto.
11434         * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11435         * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11436         (do_ssa_store_ccp): Ditto.
11437         (execute_fold_all_builtins): Ditto.
11438         * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11439         * modulo-sched.c (rest_of_handle_sms): Ditto.
11440         * ipa-pure-const.c (static_execute): Ditto.
11441         * cse.c (rest_of_handle_cse): Ditto.
11442         (rest_of_handle_cse2): Ditto.
11443         * web.c (rest_of_handle_web): Ditto.
11444         * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11445         * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11446         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11447         * tree-nrv.c (tree_nrv): Ditto.
11448         (execute_return_slot_opt): Ditto.
11449         * tree-ssa-alias.c (compute_may_aliases): Ditto.
11450         (create_structure_vars): Ditto.
11451         * loop-init.c (rtl_loop_init): Ditto.
11452         (rtl_loop_done): Ditto.
11453         (rtl_move_loop_invariants): Ditto.
11454         (rtl_unswitch): Ditto.
11455         (rtl_unroll_and_peel_loops): Ditto.
11456         (rtl_doloop): Ditto.
11457         * gimple-low.c (lower_function_body): Ditto.
11458         (mark_used_blocks): Ditto.
11459         * tree-ssa-sink.c (execute_sink_code): Ditto.
11460         * ipa-inline.c (cgraph_decide_inlining): Ditto.
11461         (cgraph_early_inlining): Ditto.
11462         * global.c (rest_of_handle_global_alloc): Ditto.
11463         * jump.c (cleanup_barriers): Ditto.
11464         (purge_line_number_notes): Ditto.
11465         * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11466         (rest_of_handle_if_after_reload): Ditto.
11467         * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11468         (tree_ssa_loop_im): Ditto.
11469         (tree_ssa_loop_unswitch): Ditto.
11470         (tree_vectorize): Ditto.
11471         (tree_linear_transform): Ditto.
11472         (tree_ssa_loop_ivcanon): Ditto.
11473         (tree_ssa_empty_loop): Ditto.
11474         (tree_ssa_loop_bounds): Ditto.
11475         (tree_complete_unroll): Ditto.
11476         (tree_ssa_loop_prefetch): Ditto.
11477         (tree_ssa_loop_ivopts): Ditto.
11478         (tree_ssa_loop_done): Ditto.
11479         * predict.c (tree_estimate_probability): Ditto.
11480         * recog.c (split_all_insns_noflow): Ditto.
11481         (rest_of_handle_peephole2): Ditto.
11482         (rest_of_handle_split_all_insns): Ditto.
11483         * tree-eh.c (lower_eh_constructs): Ditto.
11484         * regmove.c (rest_of_handle_regmove): Ditto.
11485         (rest_of_handle_stack_adjustments): Ditto.
11486         * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11487         * function.c (instantiate_virtual_regs): Ditto.
11488         (init_function_for_compilation): Ditto.
11489         (rest_of_handle_check_leaf_regs): Ditto.
11490         * gcse.c (rest_of_handle_jump_bypass): Ditto.
11491         (rest_of_handle_gcse): Ditto.
11492         * ipa-type-escape.c (type_escape_execute): Ditto.
11493         * alias.c (rest_of_handle_cfg): Ditto.
11494         * tree-if-conv.c (main_tree_if_conversion): Ditto.
11495         * profile.c (rest_of_handle_branch_prob): Ditto.
11496         * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11497         * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11498         * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11499         * tree-dfa.c (find_referenced_vars): Ditto.
11500         * except.c (set_nothrow_function_flags): Ditto.
11501         (convert_to_eh_region_ranges): Ditto.
11502         (rest_of_handle_eh): Ditto.
11503         * emit-rtl.c (unshare_all_rtl): Ditto.
11504         (remove_unnecessary_notes): Ditto.
11505         * except.h (set_nothrow_function_flags): Ditto.
11506         (convert_to_eh_region_ranges): Ditto.
11507         * cfgexpand.c (tree_expand_cfg): Ditto.
11508         * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11509         * tree-ssa-pre.c (do_pre): Ditto.
11510         (execute_fre): Ditto.
11511         * cfgcleanup.c (rest_of_handle_jump): Ditto.
11512         (rest_of_handle_jump2): Ditto.
11513         * tree-sra.c (tree_sra): Ditto.
11514         * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11515         (execute_mudflap_function_decls): Ditto.
11516         * tree-ssa-copy.c (do_copy_prop): Ditto.
11517         (do_store_copy_prop): Ditto.
11518         * ipa-prop.h (ipcp_driver): Ditto.
11519         * cfglayout.c (insn_locators_initialize): Ditto.
11520         * tree-ssa-forwprop.c
11521         (tree_ssa_forward_propagate_single_use_vars): Ditto.
11522         * cfglayout.h (insn_locators_initialize): Ditto.
11523         * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11524         * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11525         (execute_late_warn_uninitialized): Ditto.
11526         * rtl.h (cleanup_barriers): Ditto.
11527         (split_all_insns_noflow): Ditto.
11528         (purge_line_number_notes): Ditto.
11529         (unshare_all_rtl): Ditto.
11530         (remove_unnecessary_notes): Ditto.
11531         (recompute_reg_usage): Ditto.
11532         (variable_tracking_main): Ditto.
11533         * integrate.c (emit_initial_value_sets): Ditto.
11534         * integrate.h (emit_initial_value_sets): Ditto.
11535         * tree-optimize.c (execute_free_datastructures): Ditto
11536         (execute_free_cfg_annotations): Ditto.
11537         (execute_fixup_cfg): Ditto.
11538         (execute_cleanup_cfg_pre_ipa): Ditto.
11539         (execute_cleanup_cfg_post_optimizing): Ditto.
11540         (execute_init_datastructures): Ditto.
11541         * tree-object-size.c (compute_object_sizes): Ditto.
11542         * combine.c (rest_of_handle_combine): Ditto.
11543         * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11544         * bb-reorder.c (duplicate_computed_gotos): Ditto.
11545         (rest_of_handle_reorder_blocks): Ditto.
11546         (rest_of_handle_partition_blocks): Ditto.
11547         * var-tracking.c (variable_tracking_main): Ditto.
11548         * tree-profile.c (tree_profiling): Ditto.
11549         * tree-vect-generic.c (expand_vector_operations): Ditto.
11550         * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11551         * sched-rgn.c (rest_of_handle_sched): Ditto.
11552         (rest_of_handle_sched2): Ditto.
11553         * basic-block.h (free_bb_insn): Ditto.
11554         * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11555         * tree-cfg.c (execute_build_cfg): Ditto.
11556         (remove_useless_stmts): Ditto.
11557         (split_critical_edges): Ditto.
11558         (execute_warn_function_return): Ditto.
11559         (execute_warn_function_noreturn): Ditto.
11560         * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11561         * cfgrtl.c (free_bb_for_insn): Ditto.
11562         * passes.c (execute_one_pass): Run additional
11563         todos returned by execute function.
11564         * tree-pass.h (struct tree_opt_pass): Make execute
11565         return a value.
11566
11567 2006-03-02  Richard Guenther  <rguenther@suse.de>
11568
11569         * tree-ssa-alias.c (find_used_portions): Consider taking
11570         the address as making the variable not write-only.
11571
11572 2006-03-02  Nick Clifton  <nickc@redhat.com>
11573
11574         * config.gcc (default_use_cxa_atexit): Extend the description of
11575         this configure variable.  Set its default value to "yes" for
11576         Linux, NetBSD and ELF targets on the assumption that they will
11577         use C libraries with the __cxa_atexit function.
11578
11579 2006-03-02  Ben Elliston  <bje@au.ibm.com>
11580
11581         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11582         parameter as unused to suppress a build warning.
11583
11584 2006-03-02  Ben Elliston  <bje@au.ibm.com>
11585
11586         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11587         config/dfp-bit.c.
11588
11589 2006-03-01  Roger Sayle  <roger@eyesopen.com>
11590
11591         PR other/26489
11592         * gthr-posix.h (__gthrw2): Define to take three parameters, the
11593         declared name, the weak reference name, and the typeof name.
11594         (__gthrw): Avoid expanding the declared name suffix.
11595         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11596
11597 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
11598
11599         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11600         from DWARF 3.
11601         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11602         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11603         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11604         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11605         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11606         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11607         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11608         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11609         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11610         DW_DS_leading_separate, DW_DS_trailing_separate): New.
11611         (DW_END_default, DW_END_big, DW_END_little): New.
11612         (DW_END_lo_user, DW_END_hi_user): Define.
11613         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11614         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11615         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11616         DW_LANG_D): New.
11617
11618 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11619
11620         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11621         Update all users.
11622         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11623         Update all users.
11624         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11625         Update all users.
11626         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11627         Update all users.
11628         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11629         to 'symbol_mem_tag'.
11630         Update all users.
11631         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11632         rename.
11633
11634 2006-03-01  Roger Sayle  <roger@eyesopen.com>
11635
11636         * builtins.c (fold_builtin_copysign): Delete unreachable code.
11637
11638 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11639
11640         PR target/25761
11641         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11642         MACHO_DYNAMIC_NO_PIC_P.
11643         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11644
11645 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11646
11647         PR target/26389
11648         * config/darwin-protos.h (darwin_asm_output_anchor):
11649         Declare.
11650         * config/darwin-sections.def (cstring_section):
11651         Add SECTION_MERGE to the flags.
11652         (literal4_section): Likewise.
11653         (literal8_section): Likewise.
11654         (objc_selector_refs_section): Likewise.
11655         (objc_cls_refs_section): Likewise.
11656         * config/darwin.c (darwin_asm_output_anchor): New
11657         function.
11658         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11659
11660 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
11661
11662         Fix PR tree-optimization/26443
11663         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11664         to todo and PROP_tmt_usage to properties_destroyed.
11665         * tree-ssa-ccp.c (pass_ccp): Ditto.
11666         (pass_store_ccp): Ditto.
11667         * tree-ssa-dom.c (pass_dominator): Ditto.
11668
11669 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11670
11671         * tree-ssa-operands.c: Cleanup whitespace.
11672         (get_asm_expr_operands): Move before first invocation.
11673         (get_indirect_ref_operands): Likewise.
11674         (get_tmr_operands): Likewise.
11675         (get_call_expr_operands): Likewise.
11676         (append_def): Likewise.
11677         (append_use): Likewise.
11678         (append_v_may_def): Likewise.
11679         (append_v_must_def): Likewise.
11680         (add_call_clobber_ops): Likewise.
11681         (add_call_read_ops): Likewise.
11682         (add_stmt_operand): Likewise.
11683         (add_virtual_operand): Likewise.
11684         (build_ssa_operands): Likewise.
11685
11686 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11687
11688         PR middle-end/26022
11689         Revert:
11690         PR middle-end/24437
11691         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11692         with a call expr to ...
11693         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11694
11695 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11696
11697         * tree-vrp.c (extract_range_from_assert): Remove special
11698         handling for types with super-types.
11699
11700 2006-03-01  Ben Elliston  <bje@au.ibm.com>
11701
11702         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11703         and powerpc64-*-linux* configurations.
11704         * config/t-dfprules: New file.
11705
11706         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11707         Compile dfp-bit.c from the source directory using -DWIDTH and
11708         $DFP_CFLAGS to control the compilation of that file, rather than
11709         generating width-specific versions in the build directory.
11710         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11711         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11712
11713 2006-02-28  Zack Weinberg  <zackw@panix.com>
11714
11715         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11716         continues to work.
11717
11718 2006-02-28  Eric Christopher  <echristo@apple.com>
11719
11720         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11721         Set up IN_LIBGCC definition of TARGET_64BIT.
11722         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11723
11724 2006-02-28  Roger Sayle  <roger@eyesopen.com>
11725
11726         PR middle-end/14752
11727         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11728         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
11729         cases via the construction of "expr != 0".
11730
11731 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
11732
11733         * alias.c (alias_invariant, alias_invariant_size): Remove.
11734         (record_base_value): Remove.
11735         (memrefs_conflict_p): Don't look at alias_invariant.
11736         (end_alias_analysis): Don't free it.
11737         * alias.h (record_base_value): Remove prototype.
11738
11739 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
11740             Adam Nemet  <anemet@caviumnetworks.com>
11741
11742         * rtl.h (truncated_to_mode): Declare it.
11743         (struct rtl_hooks): Add reg_truncated_to_mode hook.
11744         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11745         (RTL_HOOKS_INITIALIZER): Include it.
11746         * rtlhooks.c (reg_truncated_to_mode_general): New function.
11747         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11748         reg_truncated_to_mode.
11749         * rtlanal.c (truncated_to_mode): Define it.
11750         * simplify-rtx.c (simplify_unary_operation_1): Use it.
11751
11752 2006-02-28  Jeff Law  <law@redhat.com>
11753
11754         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11755         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11756         the range allowed by TYPE_PRECISION.
11757
11758         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11759
11760 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
11761
11762         PR tree-optimization/26419
11763         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11764         values of n.
11765
11766 2006-02-27  Zack Weinberg  <zackw@panix.com>
11767
11768         * doc/md.texi: Fix typo in previous change.
11769
11770 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
11771
11772         * df.c: Remove.
11773
11774 2006-02-27  Zack Weinberg  <zackw@panix.com>
11775
11776         * rtl.def (define_constraint, define_register_constraint)
11777         (define_memory_constraint, define_address_constraint): New MD forms.
11778         * gensupport.c (process_rtx): Put define_constraint etc on the
11779         predicate queue.
11780         * genpreds.c (process_define_predicate): Adjust comment.  Validate
11781         the name, and call validate_exp to validate the expression.
11782         (mark_mode_tests, write_extract_subexp): Can assume correct input.
11783         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
11784         all callers changed.
11785         (validate_exp, needs_variable, struct constraint_data)
11786         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11787         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11788         (const_dbl_constraints, constraint_max_namelen)
11789         (have_register_constraints, have_memory_constraints)
11790         (have_address_constraints, have_address_constraints)
11791         (have_extra_constraints, have_const_int_constraints)
11792         (have_const_dbl_constraints, mangle, add_constraint)
11793         (process_define_constraint, process_define_register_constraint)
11794         (write_enum_constraint_num, write_lookup_constraint)
11795         (write_insn_constraint_len, write_regclass_for_constraint)
11796         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11797         (write_insn_extra_memory_constraint)
11798         (write_insn_extra_address_constraint)
11799         (write_satisfies_constraint_fns): New.
11800         (write_tm_preds_h): If we have new-style constraint definitions,
11801         prototype the functions generated from them, and define the
11802         old constraint interface (still used by generic code) in terms of
11803         those functions.
11804         (write_insn_preds_c): If we have new-style constraint definitions,
11805         generate all relevant functions from those definitions.
11806         (main): Handle define_constraint etc.
11807         * genoutput.c (struct constraint_data, indep_constraints)
11808         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11809         (mdep_constraint_len): New data structures and functions, defined
11810         #ifdef USE_MD_CONSTRAINTS.
11811         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11812         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11813         use new logic to validate operand constraints against constraint
11814         definitions.
11815         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11816         defined.
11817         * defaults.h: If none of the old-style constraint macros are
11818         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11819         old-style macros; and poison REG_CLASS_FROM_LETTER,
11820         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11821         EXTRA_CONSTRAINT.
11822         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11823         * doc/md.texi: Document new constraint-definition mechanism and the
11824         C interface it provides.  Remove references to old mechanism
11825         elsewhere in the document.
11826         (Machine Constraints): Use pathnames relative to gcc directory,
11827         i.e. config/ARCH/FILE.  Change i386 section to refer to
11828         config/i386/predicates.md; update that section to match docstrings.
11829         * doc/tm.texi: Move all documentation of the old constraint-
11830         definition macros to their own section, clearly mark as obsolete.
11831
11832         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11833         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11834         definitions.
11835         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11836         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11837         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11838         constraint strings.
11839         (splits and peepholes): Use satisfies_constraint_*.
11840         * config/i386/i386.c (memory_address_length)
11841         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11842
11843 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
11844
11845         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11846         scalar operation to be put back into the loop.
11847
11848 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
11849
11850         PR other/26208
11851         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11852         (extract_cie_info): Handle S flag in augmentation string.
11853         (execute_cfa_program): If context->signal_frame, execute also
11854         fs->pc == context->ra instructions.
11855         (uw_frame_state_for): If context->signal_frame, don't subtract one
11856         from context->ra to find FDE.
11857         (uw_update_context_1): Set context->signal_frame to
11858         fs->signal_frame.
11859         (_Unwind_GetIPInfo): New function.
11860         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11861         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11862         of _Unwind_GetIP.
11863         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11864         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11865         * unwind-compat.c (_Unwind_GetIPInfo): New function.
11866         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11867         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11868         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11869         * config/i386/linux-unwind.h (x86_fallback_frame_state,
11870         x86_64_fallback_frame_state): Set fs->signal_frame.
11871         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11872         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11873         (frob_update_context): Likewise.  Workaround missing S flag in
11874         Linux 2.6.12 - 2.6.16 kernel vDSOs.
11875         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11876         Remove the psw_addr + 1 hack.
11877
11878 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
11879
11880         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11881         with aggregates here.
11882         (find_func_aliases): Remove code for &<aggregate> from here.
11883
11884 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11885
11886         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11887         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11888         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11889         as (X & C) ne/eq 0.
11890
11891 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11892
11893         PR middle-end/19983
11894         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11895
11896 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
11897
11898         * opts.c (decode_options): Do not handle flag_strength_reduce.
11899         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11900         and OPT_fstrength_reduce.
11901         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11902         flag_prefetch_loop_arrays for being nonzero.
11903         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11904         no-ops.
11905         (fprefetch-loop-arrays-rtl): Removed.
11906         (flag_prefetch_loop_arrays): Do not specify the value.
11907
11908         * doc/passes.texi: Update documentation of loop optimizer
11909         passes.
11910         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11911         -frerun-loop-opt): Remove.
11912
11913 2006-02-26  Richard Guenther  <rguenther@suse.de>
11914
11915         PR tree-optimization/26421
11916         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11917         in function calls that are ADDR_EXPRs as using the whole structure.
11918
11919 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
11920
11921         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11922         * tree-pass.h (pass_loop_optimize): Remove.
11923         * passes.c (pass_loop_optimize): Never run it.
11924         * toplev.c (backend_init): Don't call init_loop.
11925         * opts.c (flag_loop_optimize_set): Remove.
11926         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11927         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
11928         the old RTL loop optimizer when profiling enabled.
11929         * predict.c (tree_estimate_probability): Always strip builtin_expect.
11930         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11931         pre-headers for the sake of the old RTL loop optimizer.
11932         * Makefile.in: Remove all references to loop.o.
11933
11934         * doc/invoke.texi: Remove all references to -floop-optimize
11935         and -frerun-loop-opt.
11936
11937 2006-02-26  Zack Weinberg  <zackw@panix.com>
11938
11939         * doc/md.texi (Machine Constraints): Refer to all files with paths
11940         relative to gcc directory (i.e. config/CPU/file).  Add missing
11941         @table @code ... @end table to M32C subsection.
11942
11943 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11944
11945         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11946         (X & 1) == 0.
11947         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11948
11949 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11950             James A. Morrison  <phython@gcc.gnu.org>
11951
11952         PR middle-end/21137
11953         * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11954         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11955         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11956         signedness of the shift operation.
11957
11958 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
11959
11960         PR tree-optimization/26359
11961         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11962
11963 2006-02-25  Roger Sayle  <roger@eyesopen.com>
11964
11965         * simplify-rtx.c (simplify_relational_operation_1): Simplify
11966         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
11967         as X == 0, and some symmetry related transformations.
11968         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
11969
11970 2006-02-25  Roger Sayle  <roger@eyesopen.com>
11971
11972         PR middle-end/23673
11973         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11974         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
11975         symmetry related transformations.  Fold (X^C1) == C2 as
11976         X == (C1^C2).
11977
11978 2006-02-25  Juergen Weigert  <jw@suse.de>
11979         Richard Guenther  <rguenther@suse.de>
11980
11981         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11982
11983 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
11984
11985         * combine.c (gen_lowpart_or_truncate): Call
11986         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11987
11988 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
11989
11990         * doc/invoke.texi: Move -fopenmp description to "Options for
11991         Code Generation".
11992         Remove reference to -lgomp.
11993
11994 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
11995
11996         * doc/install.texi: Require GNU tar version 1.14.
11997
11998 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
11999
12000         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12001         * doc/invoke.texi (C++ Dialect Options): Document
12002         -fno-use-cxa-get-exception-ptr.
12003         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12004         * configure: Regenerate.
12005         * c.opt (fuse-cxa-get-exception-ptr): New.
12006         * c-opts.c (c_common_handle_option): Handle
12007         OPT_fuse_cxa_get_exception_ptr.
12008         * c-common.c (flag_use_cxa_atexit): Update documentation.
12009         (flag_use_cxa_get_exception_ptr): New.
12010         * c-common.h (flag_use_cxa_get_exception_ptr): New.
12011         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12012         documentation.
12013         (C_COMMON_OVERRIDE_OPTIONS): New.
12014
12015 2006-02-24  Roger Sayle  <roger@eyesopen.com>
12016
12017         PR middle-end/24952
12018         * combine.c (try_combine): Explicitly check whether GET_CODE is
12019         a SET or a CLOBBER, instead on checking that it isn't a USE.
12020
12021 2006-02-24  Roger Sayle  <roger@eyesopen.com>
12022
12023         * fold-const.c (fold_comparison): New subroutine of fold_binary
12024         containing transformations common to both the equality and
12025         ordering relational operators, factored out of fold_binary.
12026         (fold_binary): Separate out the equality operators (EQ_EXPR
12027         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12028         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12029         transformations common to both.
12030         (fold_div_compare): Fix latent bugs in the previously unreachable
12031         LT_EXPR and GE_EXPR cases.
12032
12033 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
12034
12035         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12036         decl libname for clog to __clog on AIX.
12037
12038         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12039
12040 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
12041
12042         PR target/26453
12043         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12044         output traceback table for thunks.  Localise rs6000_stack_info call.
12045
12046 2006-02-23  Roger Sayle  <roger@eyesopen.com>
12047             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12048
12049         * gthr-posix.h (__gthrw): Fix typo in comment.
12050
12051 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
12052
12053         * doc/cpp.texi (Character sets): Document that we do support
12054         input files to be in any character set.
12055
12056 2006-02-23  Jeff Law  <law@redhat.com>
12057
12058         * tree.h (PHI_ARG_NONZERO): Remove.
12059         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12060         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12061         node to the new node.
12062
12063         PR tree-optimization/26425
12064         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12065         min/max, then assume its varying.
12066
12067 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
12068
12069         PR rtl-optimization/26316
12070         * rtlanal.c (enum may_trap_p_flags): New.
12071         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
12072         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12073         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12074         (may_trap_after_code_motion_p): New function.
12075         * loop-invariant.c (find_identical_invariants): Fix dump formating.
12076         (find_invariant_insn): Use may_trap_after_code_motion_p.
12077         * rtl.h (may_trap_after_code_motion_p): Declare.
12078
12079 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
12080
12081         * emit-rtl.c (immed_double_const): Cleanup.
12082
12083 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
12084
12085         Fix PR tree-optimization/26376
12086         * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12087         remove assert.
12088
12089 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
12090
12091         PR middle-end/26412
12092         * gimplify.c (omp_add_variable): Guard variable size decl test with
12093         DECL_SIZE (decl) check.
12094
12095 2006-02-23  Richard Guenther  <rguenther@suse.de>
12096
12097         PR middle-end/26439
12098         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12099         like aggregate types.
12100
12101 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
12102
12103         * configure.ac: Add --with{,out}-long-double-128 configure option.
12104         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12105         * configure: Rebuilt.
12106         * config.in: Rebuilt.
12107         * doc/install.texi (Options specification): Document
12108         --with-long-double-128.
12109
12110         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12111         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12112         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12113         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12114
12115 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
12116
12117         * config/s390/s390.c (override_options): Handle
12118         TARGET_DEFAULT_LONG_DOUBLE_128.
12119
12120         * config/alpha/alpha.c (override_options): Handle
12121         TARGET_DEFAULT_LONG_DOUBLE_128.
12122
12123         * config/sparc/sparc.c (sparc_override_options): Handle
12124         TARGET_DEFAULT_LONG_DOUBLE_128.
12125
12126 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
12127
12128         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12129         (real-install-headers-tar, real-install-headers-cpio)
12130         (real-install-headers-cp): New targets.
12131
12132 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
12133
12134         * tree.h (variable_section): Delete.
12135         * varasm.c (variable_section): Delete.
12136
12137 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
12138
12139         * install.texi: Add notes on install.texi2html.
12140         (Building in parallel): Do not use footnotes.
12141
12142 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
12143
12144         PR libgomp/26234
12145         * doc/install.texi (Configuration): Document --disable-libgomp.
12146
12147 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
12148
12149         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12150
12151 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
12152
12153         * config/i386/sse.md (vec_extractv2df_1_sse): New.
12154         (vec_extractv2df_0_sse): New.
12155
12156 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
12157
12158         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12159         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12160         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12161         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
12162         to the result of the expression.
12163         (def_cfa_1): Adjust.
12164         (frame_pointer_cfa_offset): Rename to...
12165         (frame_pointer_fb_offset): ... this.  Adjust all uses.
12166         (convert_cfa_to_loc_list): Rename to...
12167         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
12168         Pass it on to build_cfa_loc.
12169         (compute_frame_pointer_to_cfa_displacement): Rename to...
12170         (compute_frame_pointer_to_fb_displacement): ... this.  New
12171         offset parameter.  Use it in computation.
12172         (gen_subprogram_die): Compute cfa_fb_offset with the new
12173         macro, and use it to compute the fb loc list and the
12174         displacement.
12175
12176 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
12177
12178         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
12179         replaced with register_operand.
12180         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12181         non-DREG is expensive.
12182         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12183         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12184         involving memory.
12185
12186 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
12187
12188         * doc/install.texi2html: Use set -e.
12189
12190 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
12191
12192         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12193         (ASM_OUTPUT_SHARED_LOCAL): Delete.
12194         * doc/invoke.texi (-fshared-data): Delete.
12195         * common.opt (fshared-data): Delete.
12196         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12197         (assemble_static_space): Remove #if 0 code.
12198         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12199         (ASM_OUTPUT_SHARED_LOCAL): Poison.
12200         * config/cris/cris.h: Remove FIXME.
12201
12202 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
12203
12204         * doc/sourcebuild.texi (Front End Directory): No more double-colon
12205         hooks.
12206
12207 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
12208
12209         PR middle-end/26379
12210         * combine.c (simplify_shift_const_1): Disable nested shifts
12211         optimization for vector shifts.
12212
12213 2006-02-20  Roger Sayle  <roger@eyesopen.com>
12214
12215         PR tree-optimization/26361
12216         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12217         of unsigned integer types.
12218
12219 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
12220
12221         * tree-chrec.c (eq_evolutions_p): New.
12222         * tree-chrec.h (eq_evolutions_p): Declared.
12223         * tree-data-ref.c: Fix formatting.
12224         (datadep_stats, dependence_stats): New.
12225         (gcd): Moved...
12226         (print_direction_vector): New.
12227         (dump_data_dependence_relation): Use print_direction_vector.
12228         (object_analysis, create_data_ref): Handle COMPONENT_REF.
12229         (compute_subscript_distance): Static.
12230         (initialize_data_dependence_relation): Static.  Get the number
12231         of loops surrounding the references from the callers, and initialize
12232         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
12233         base_object_differ_p analyzers.
12234         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12235         compute_overlap_steps_for_affine_1_2,
12236         analyze_subscript_affine_affine): Count the classified dependences.
12237         Print a message when a test failed.
12238         (can_use_analyze_subscript_affine_affine): New.
12239         (analyze_siv_subscript): Compute the data dependences on symbolic
12240         scevs that verify can_use_analyze_subscript_affine_affine.
12241         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12242         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12243         Handle symbolic scevs.
12244         (analyze_overlapping_iterations): Let symbolic affine scevs to be
12245         analyzed.
12246         (subscript_dependence_tester): Moved...
12247         (build_classic_dist_vector, build_classic_dir_vector): Don't use
12248         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
12249         DDR_SIZE_VECT instead of getting it in parameter.
12250         (subscript_dependence_tester): ... here.  Take as a parameter
12251         loop_nest_depth.  Call build_classic_dist_vector and
12252         build_classic_dir_vector.
12253         (compute_affine_dependence): Update subscript_dependence_tester
12254         parameters.  Update datadep_stats counters.  Call
12255         compute_subscript_distance.
12256         (compute_self_dependence): Save the dist and dir vectors.  Call
12257         compute_subscript_distance.
12258         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12259         (compute_all_dependences): Reorder parameters as they were before
12260         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
12261         compute_subscript_distance.  Update the use of
12262         compute_affine_dependence and initialize_data_dependence_relation.
12263         (find_data_references_in_loop): Handle COMPONENT_REF.
12264         (compute_data_dependences_for_loop): Initialize dependence_stats.
12265         Don't call build_classic_dist_vector and build_classic_dir_vector.
12266         Update the parameters of initialize_data_dependence_relation and
12267         compute_all_dependences.  Print the statistics from datadep_stats.
12268         (analyze_all_data_dependences): Static.  Not used until the pass for
12269         checking the data dependences is contributed.
12270         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12271         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12272         (initialize_data_dependence_relation, compute_affine_dependence,
12273         analyze_all_data_dependences, compute_subscript_distance): Removed.
12274         (print_direction_vector): New.
12275         * lambda.h (gcd): ... here.
12276         (lambda_vector_gcd): Moved here from gcd_vector.
12277         * lambda-code.c (gcd, gcd_vector): Removed.
12278         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
12279         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12280
12281 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
12282
12283         * ipa-type-escape.c: Tidy some comments and white space.
12284         * tree-ssa-operands.c: Likewise.
12285
12286 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
12287
12288         PR tree-opt/25879
12289         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12290         (dump_decl_name): Do not walk the decl tree chains.
12291         * tree-pass.h (TDF_CHAIN): Remove.
12292
12293 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
12294
12295         * Makefile.in (C): Remove
12296         (PROTO): Remove
12297         (.PHONY): Remove C and PROTO
12298
12299 2006-02-20  Roger Sayle  <roger@eyesopen.com>
12300
12301         PR middle-end/26236
12302         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12303         deprecated CHAR_TYPE tree code.
12304
12305 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
12306
12307         * configure.ac (target_list): Add install-info, dvi, html.
12308         * configure: Regenerate.
12309
12310         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12311         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12312         treelang/Make-lang.in: Do not use double-colon rules.
12313
12314 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
12315
12316         * tree.h (struct tree_memory_tag): Add is_used_alone member.
12317         (TMT_USED_ALONE): New macro.
12318         * tree-pass.h (PROP_tmt_usage): New property.
12319         (TODO_update_tmt_usage): New todo.
12320         * tree-ssa-alias.c (updating_used_alone): New variable.
12321         (recalculate_used_alone): New function.
12322         (compute_may_aliases): Set updating_used_alone, call
12323         recalculate_used_alone.
12324         * tree-sra.c (pass_sra): Note that this pass destroys
12325         PROP_tmt_usage, and add TODO_update_tmt_usage.
12326         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12327         * tree-flow.h (updating_used_alone): Prototype.
12328         (recalculate_used_alone): Ditto.
12329         * passes.c (execute_todo): Add code to set updating_used_alone,
12330         and call recalculate.
12331         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12332         for clobber if used alone, and add assert to verify used_alone
12333         status.
12334
12335 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
12336
12337         * config/s390/s390.c (legitimize_pic_address): Assertions checking
12338         for non tls symbols added.
12339         (legitimize_address): Do nothing for PLUS expressions if one of the
12340         addends is a tls symbol reference.
12341
12342 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
12343
12344         PR bootstrap/25476
12345
12346         * Makefile.in (LDFLAGS): Define from autoconf substitution.
12347
12348         * Makefile.in (BOOTSTRAPPING): New.
12349         (quickstrap): New definition if BOOTSTRAPPING=yes.
12350
12351         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12352         * configure.ac: Substitute all_selected_languages with the languages
12353         that were configured.  For all the other variables except
12354         lang_specs_files, include all the languages in the tree.
12355         * configure: Regenerate.
12356
12357         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12358         if there is one.  Run the commands to run fixincludes in the same
12359         subshell.
12360
12361         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12362         * doc/install.texi: Document exact conventions for searching target tools.
12363         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
12364         something more about building an Ada cross-compiler.  Don't list GNU Make
12365         requirements which affect all platforms.
12366
12367 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12368
12369         PR middle-end/19543
12370         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12371         only equivalent if the have both the same mode and precision.
12372
12373 2006-02-20  Ben Elliston  <bje@au.ibm.com>
12374
12375         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12376
12377 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12378             Steven Bosscher  <stevenb.gcc@gmail.com>
12379
12380         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12381         constant pool references to identify stack mode constants.
12382         * rtlanal.c (constant_pool_constant_p): New predicate to check
12383         whether operand is a floating point constant in the pool.
12384         * rtl.h (constant_pool_constant_p): Prototype here.
12385         * loop.c (scan_loop): Avoid hoisting constants from the constant
12386         pool on STACK_REGS targets.
12387         (load_mems): Likewise.
12388         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12389         loads into x87 registers expensive in terms of register pressure.
12390
12391 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12392
12393         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12394         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12395
12396 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
12397
12398         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12399         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12400
12401 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
12402
12403         * doc/invoke.texi: Document -fipa-pta.
12404         * common.opt: Add ipa-pta option.
12405         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12406         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12407         (do_ds_constraint): Ditto.
12408         (get_constraint_for): Only add to referenced_vars if
12409         referenced_vars exists.
12410         (insert_into_field_list): Rewrite to do this unsorted.
12411         (insert_into_field_list_sorted): Rename old insert_into_field_list
12412         to this.
12413         (create_function_info_for): Use insert_into_field_list_sorted.
12414         (create_variable_info_for): Rewrite so it uses unsorted version,
12415         since the field list is sorted.
12416         (intra_create_variable_infos): Only add to referenced_vars if
12417         referenced_vars exists.
12418         (ipa_pta_execute): Init heapvars, and delete when done.
12419         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12420
12421 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12422
12423         * doc/install.texi: Add missing `@samp'.
12424
12425 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
12426
12427         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12428         Use the arguments.
12429
12430 2006-02-18  Mark Wielaard  <mark@klomp.org>
12431
12432         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12433         who added new 4.1 features, bug fixes and integration support.
12434
12435 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
12436
12437         PR target/26350
12438         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12439         MEM for ABI_V4 pic.
12440
12441 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
12442
12443         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12444         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12445         (copy_insn_1): Likewise.  Don't copy each field individually.
12446         Reindent.
12447         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12448         of RTX_SIZE.
12449         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12450         * rtl.c (rtx_size): Rename variable to...
12451         (rtx_code_size): ...this.
12452         (rtx_size): New function.
12453         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12454         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
12455         Reindent.
12456         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12457         * rtl.h (rtx_code_size): New variable.
12458         (rtx_size): Change from a variable to a function.
12459         (RTX_SIZE): Rename to...
12460         (RTX_CODE_SIZE): ...this.
12461
12462         PR target/9703
12463         PR tree-optimization/17106
12464         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12465         (Anchored Addresses): New section.
12466         * doc/invoke.texi (-fsection-anchors): Document.
12467         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12468         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12469         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12470         * hooks.c (hook_bool_mode_rtx_false): New function.
12471         * hooks.h (hook_bool_mode_rtx_false): Declare.
12472         * gengtype.c (create_optional_field): New function.
12473         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12474         SYMBOL_REF_IN_BLOCK_P is true.
12475         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12476         (min_anchor_offset, max_anchor_offset): Likewise.
12477         (use_anchors_for_symbol_p): New hook.
12478         * toplev.c (compile_file): Call output_object_blocks.
12479         (target_supports_section_anchors_p): New function.
12480         (process_options): Check that -fsection-anchors is only used on
12481         targets that support it and when -funit-at-a-time is in effect.
12482         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12483         if the decl doesn't have one.
12484         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12485         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12486         of force_const_mem through use_anchored_address.
12487         (expand_expr_constant): New function.
12488         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
12489         calling expand_expr for INDIRECT_REF.
12490         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12491         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
12492         * expr.h (use_anchored_address): Declare.
12493         * loop-unroll.c: Don't declare rtx vectors here.
12494         * explow.c: Include output.h.
12495         (validize_mem): Call use_anchored_address.
12496         (use_anchored_address): New function.
12497         * common.opt (-fsection-anchors): New switch.
12498         * varasm.c (object_block_htab, anchor_labelno): New variables.
12499         (hash_section, object_block_entry_eq, object_block_entry_hash)
12500         (use_object_blocks_p, get_block_for_section, create_block_symbol)
12501         (use_blocks_for_decl_p, change_symbol_section): New functions.
12502         (get_variable_section): New function, split out from assemble_variable.
12503         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12504         use_blocks_for_decl_p say so.  Use change_symbol_section if the
12505         symbol has already been created.
12506         (assemble_variable_contents): New function, split out from...
12507         (assemble_variable): ...here.  Don't output any code for
12508         block symbols; just pass them to place_block_symbol.
12509         Use get_variable_section and assemble_variable_contents.
12510         (get_constant_alignment, get_constant_section, get_constant_size): New
12511         functions, split from output_constant_def_contents.
12512         (build_constant_desc): Create a block symbol if use_object_blocks_p
12513         says so.  Or into SYMBOL_REF_FLAGS.
12514         (assemble_constant_contents): New function, split from...
12515         (output_constant_def_contents): ...here.  Don't output any code
12516         for block symbols; just pass them to place_section_symbol.
12517         Use get_constant_section and get_constant_alignment.
12518         (force_const_mem): Create a block symbol if use_object_blocks_p and
12519         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
12520         (output_constant_pool_1): Add an explicit alignment argument.
12521         Don't switch sections here.
12522         (output_constant_pool): Adjust call to output_constant_pool_1.
12523         Switch sections here instead.  Don't output anything for block symbols;
12524         just pass them to place_block_symbol.
12525         (init_varasm_once): Initialize object_block_htab.
12526         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12527         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12528         (place_block_symbol, get_section_anchor, output_object_block)
12529         (output_object_block_htab, output_object_blocks): New functions.
12530         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12531         (TARGET_ASM_OUT): Include it.
12532         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12533         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12534         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12535         (TARGET_INITIALIZER): Include them.
12536         * rtl.c (rtl_check_failed_block_symbol): New function.
12537         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
12538         (block_symbol, object_block): New structures.
12539         (rtx_def): Add a block_symbol field to the union.
12540         (BLOCK_SYMBOL_CHECK): New macro.
12541         (rtl_check_failed_block_symbol): Declare.
12542         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12543         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12544         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12545         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12546         * output.h (output_section_symbols): Declare.
12547         (object_block): Name structure.
12548         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12549         (default_use_anchors_for_symbol_p): Declare.
12550         * Makefile.in (RTL_BASE_H): Add vec.h.
12551         (explow.o): Depend on output.h.
12552         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12553         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12554         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12555         (rs6000_use_blocks_for_constant_p): New function.
12556
12557 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12558
12559         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12560
12561 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12562
12563         PR tree-opt/25680
12564         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12565         IMAGPART_EXPR.
12566
12567 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
12568
12569         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12570         is_aliased.
12571         Update all users.
12572
12573 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
12574
12575         PR middle-end/26334
12576         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12577         instead of DECL_REGISTER.
12578
12579 2006-02-18  Olivier Hainque  <hainque@adacore.com>
12580
12581         PR ada/13408
12582         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12583
12584 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12585
12586         PR target/24837
12587         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12588         * opth-gen.awk: Handle Var and InverseMask together.
12589         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12590         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12591         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12592         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12593         used together.
12594         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12595         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12596         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12597         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12598         LINUX_DYNAMIC_LINKER): Define.
12599         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12600         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12601         TARGET_GLIBC.
12602         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12603         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12604         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12605         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12606         (TARGET_C99_FUNCTIONS): Don't define.
12607         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12608         GLIBC_DYNAMIC_LINKER.
12609         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12610         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12611         GLIBC_DYNAMIC_LINKER64): Define.
12612         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12613         LINUX_DYNAMIC_LINKER64.
12614         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12615         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12616         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12617         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12618         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12619         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12620         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12621         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12622         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12623         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12624         and LINUX_DYNAMIC_LINKER32.
12625         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12626         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12627         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12628         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12629         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12630         TARGET_GLIBC.
12631         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12632         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12633         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12634         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12635         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12636         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12637         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12638         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12639         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12640         LINUX_DYNAMIC_LINKER): Define.
12641         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12642         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12643         GLIBC_DYNAMIC_LINKER64): Define.
12644         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12645         LINUX_DYNAMIC_LINKER64.
12646         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12647         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12648         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12649         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12650         LINUX_DYNAMIC_LINKER): Define.
12651         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12652         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12653         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12654         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12655         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12656         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12657         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12658         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12659         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12660         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12661         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12662         * doc/invoke.texi (-muclibc): Remove caveat about supported
12663         targets.
12664
12665 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12666
12667         * doc/cpp.texi (__TIMESTAMP__): Document.
12668
12669 2006-02-17  Roger Sayle  <roger@eyesopen.com>
12670
12671         PR middle-end/25600
12672         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12673         C is one less than the width of X (and related transformations).
12674         * simplify-rtx.c (simplify_unary_operation_1): Transform
12675         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12676         depending on STORE_FLAG_VALUE, were C is one less then the
12677         width of X.
12678
12679 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
12680
12681         Fix PR tree-optimization/26341
12682         * tree-ssa-operands.c (add_virtual_operand): Remove assert
12683         about NAME_MEMORY_TAG's.
12684
12685 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12686
12687         PR target/26255
12688         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12689         with hardware float support, and software float support.  Add fcpy
12690         alternative to hardware patterns.  Add alternatives to copy between
12691         general and floating-point registers to the 32-bit pattern.
12692         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12693         secondary reload to load a QI or HI mode constant into a floating
12694         point register.
12695         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12696         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12697
12698 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
12699
12700         PR target/26272
12701         * config/rs6000/darwin.md (load_macho_picbase_si): Add
12702         pc to the pattern.
12703         (load_macho_picbase_di): Likewise.
12704
12705 2006-02-16  Jeff Law  <law@redhat.com>
12706
12707         * tree-vrp.c (set_value_range_to_nonnegative): New function.
12708         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12709         (ssa_name_nonzero_p): Likewise.
12710         (get_value_range): Return NULL if VRP is not running.
12711         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12712         VRP routines do not discover a range.
12713         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12714         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12715         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12716         (tree_expr_nonnegative_p): Similarly.
12717         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12718         (restore_nonzero_vars_to_original_value): Remove.
12719         (unsafe_associative_fp_binop): Remove.
12720         (tree_ssa_dominator_optimize): Remove initialization and
12721         finalization of nonzero_vars and nonzero_vars_stack.
12722         (dom_opt_initialize_block): No longer push marker on
12723         nonzero_vars_stack.
12724         (dom_opt_finalize_block): No longer call
12725         restore_nonzero_vars_to_original_value.
12726         (record_equivalences_from_phis): No longer look for
12727         nonzero PHI arguments.
12728         (cprop_into_successor_phis): No longer propagate nonzero
12729         property into PHI arguments.  Lose unused argument.  Caller
12730         updated.
12731         (record_equivalences_from_stmt): No longer record nonzero
12732         values for SSA_NAMEs.
12733         (lookup_avail_expr): No longer use nonzero_vars.
12734
12735         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12736         for sizetype when sizetype is unsigned.
12737
12738 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
12739
12740         PR rtl-optimization/25603
12741         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12742         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12743         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12744         with new meaning of SETS.
12745
12746 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
12747
12748         PR target/20353
12749         PR target/24578
12750         PR target/24837
12751         * config/linux.opt: New file.
12752         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12753         LINUX_DYNAMIC_LINKER): Define.
12754         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12755         * config.gcc (*-*-linux*): Define extra_options.
12756         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12757         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12758         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12759         GLIBC_DYNAMIC_LINKER.
12760         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12761         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12762         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12763         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12764         * doc/invoke.texi (GNU/Linux Options): New section.
12765
12766 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12767
12768         * config/sparc/sparc.md (setjmp): Rewrite.
12769         (setjmp_32): Delete.
12770         (setjmp_64): Likewise.
12771
12772 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
12773
12774         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12775          previous change.
12776
12777 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
12778
12779         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12780         read-write uses.
12781
12782 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
12783
12784         PR rtl-optimization/26296
12785         * Makefile.in (loop-invariant.c): Add except.h dependency.
12786         * loop-invariant.c: Include except.h.
12787         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12788
12789 2005-02-16  Paul Brook  <paul@codesourcery.com>
12790
12791         * reload1.c (emit_reload_insns): Invalidate dead input registers used
12792         for reloads.
12793
12794 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
12795
12796         PR rtl-optimization/25636
12797         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12798         when deciding whether an insn is an initializing insn.
12799
12800 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
12801
12802         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12803         (tree_code_size): Ditto.
12804         * tree.h (struct tree_memory_tag): Remove parent_var.
12805         (struct tree_struct_field_tag): New.
12806         (SFT_OFFSET): New.
12807         (SFT_SIZE): New.
12808         (union tree_node): Add sft member.
12809         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12810         specially here.
12811         (create_sft): Add size and offset argument, set SFT_OFFSET and
12812         SFT_SIZE.
12813         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12814         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12815         * tree-flow-inline.h (get_subvar_at): Update for
12816         SFT_OFFSET/SFT_SIZE.
12817         (var_can_have_subvars): Ditto.
12818         (overlap_subvar): Ditto.
12819         * print-tree.c (print_node): Print out interesting things for
12820         SFT's.
12821         * tree-flow.h (struct subvar): Remove offset and size members.
12822         * tree-ssa-operands.c (get_expr_operands): Update for
12823         get_indirect_ref_operands changes.
12824         (get_indirect_ref_operands): Call add_virtual_operand instead of
12825         add_stmt_operand.  Only recurse on base var if requested.
12826         (access_can_touch_variable): New function.
12827         (add_stmt_operand): Split virtual operand handling into ...
12828         (add_virtual_operand): Here.  Add offset, size, and for_clobber
12829         arguments.  Prune alias sets.
12830         (add_call_clobber_ops): Call add_virtual_operand.
12831
12832 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
12833
12834         PR middle-end/26300
12835         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12836
12837         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12838         than TREE_CODE as index into omp_clause_num_ops array.
12839
12840 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
12841
12842         PR rtl-optimization/26184
12843         * modulo-sched.c (generate_reg_moves): Free bitmap vector
12844         uses_of_defs.
12845         * modulo-sched.c (sms_schedule): Free g_arr pointer.
12846         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12847         must_precede, must_follow and tobe_scheduled.
12848
12849         PR other/26147
12850         * opts.c (common_handle_option): Free new_option pointer.
12851         * df-core.c (df_analyze): Free postorder pointer.
12852
12853 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12854
12855         * Makefile.in: Fix the examples about the use of stamps
12856
12857 2006-02-15  Michael Matz  <matz@suse.de>
12858
12859         PR middle-end/22275
12860
12861         * stor-layout.c (layout_decl): Zero-width bitfields aren't
12862         influenced by maximum_field_alignment or DECL_PACKED.
12863         (update_alignment_for_field): Ditto.
12864         (place_field): Ditto.
12865         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12866         this behaviour.
12867
12868 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
12869
12870         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12871         (debug_flow_info): Pass it.
12872         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12873         * bb-reorder.c (reorder_basic_blocks): Likewise.
12874         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12875         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12876         * flow.c (life_analysis, recompute_reg_usage): Likewise.
12877         * gcse.c (gcse_main, bypass_jumps): Likewise.
12878         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12879         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12880         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12881         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12882         * rtl.h (dump_flow_info): Adjust prototype.
12883         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12884         * var-tracking.c (variable_tracking_main): Likewise.
12885         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12886         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12887         options.
12888
12889 2006-02-15  Marcin Dalecki <martin@dalecki.de>
12890
12891         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12892         construction.
12893
12894 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
12895
12896         PR tree-optimization/26209
12897         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12898         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12899         eh edges.
12900         * tree-cfg.c (replace_uses_by): Do not alter cfg.
12901
12902 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12903
12904         PR middle-end/23670
12905         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12906         (X,Y) and the corresponding symmetry related transformations.
12907         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12908         (X,Y) and its symmetry related transformations.
12909
12910 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12911
12912         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12913         and GEU.
12914
12915 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
12916
12917         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12918
12919 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12920
12921         PR bootstrap/26053
12922         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12923         support COMDAT group.
12924         * configure: Regenerate.
12925
12926 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12927
12928         PR middle-end/26279
12929         PR middle-end/26280
12930         PR middle-end/26283
12931         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12932
12933 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
12934
12935         Fix PR tree-optimization/26260
12936
12937         * doc/invoke.texi (max-fields-for-field-sensitive): Document
12938         param.
12939         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12940         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12941         * tree-ssa-structalias.c (create_variable_info_for): Use
12942         MAX_FIELDS_FOR_FIELD_SENSITIVE.
12943
12944 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
12945
12946         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12947         Document.
12948         * tree-ssa-loop-niter.c (number_of_iterations_ne,
12949         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12950         of the ending condition.
12951         * tree-ssa-loop-manip.c: Include params.h.
12952         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12953         tree_unroll_loop): New functions.
12954         * tree-pass.h (pass_loop_prefetch): Declare.
12955         * loop.c (rest_of_handle_loop_optimize): Test for
12956         -fprefetch-loop-arrays-rtl.
12957         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12958         * timevar.def (TV_TREE_PREFETCH): New timevar.
12959         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12960         pass_loop_prefetch): New.
12961         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12962         (cleanup_tree_cfg_loop): Call scev_reset.
12963         * common.opt (fprefetch-loop-arrays-rtl): Add.
12964         * tree-ssa-loop-prefetch.c: New file.
12965         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12966         (new_temp_expr_table): Initialize expr_vars.
12967         (free_temp_expr_table): Cleanup expr_vars.
12968         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12969         expressions from being merged into one.
12970         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12971         (struct tree_niter_desc): Add control, bound and cmp fields.
12972         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12973         Declare.
12974         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12975         (tree-cfgcleanup.o): Add SCEV_H dependency.
12976         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12977         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12978
12979 2006-02-14  Richard Guenther  <rguenther@suse.de>
12980
12981         PR tree-optimization/26258
12982         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12983         in PHI argument processing.
12984
12985 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
12986
12987         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12988         new expression in the requested machine mode.
12989
12990 2006-02-13  Roger Sayle  <roger@eyesopen.com>
12991
12992         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12993         directly, instead let do_compare_rtx_and_jump handle this for us.
12994         * expr.c (expand_expr_real_1): Likewise.
12995         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
12996         before do_jump_by_parts_greater.
12997         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12998         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12999
13000 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13001
13002         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13003
13004 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
13005
13006         PR rtl-optimization/26235
13007         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13008         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
13009         format.
13010
13011 2006-02-13  Jeff Law  <law@redhat.com>
13012
13013         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13014         TRUTH_XOR_EPR.
13015
13016 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
13017
13018         PR middle-end/26092
13019         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13020         twice if decl is a builtin.  When trying again, call get_callee_fndecl
13021         first to verify it is still a builtin.
13022
13023 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
13024
13025         * dwarf2out.c (base_type_die): Don't add AT_name here.
13026         (subrange_type_die): Don't add AT_name here.
13027         (modified_type_die): Rearrange code flow.  Do add AT_name here.
13028
13029 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
13030
13031         PR rtl-optimization/26247
13032         PR rtl-optimization/26248
13033         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13034
13035 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
13036
13037         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13038         * config/fixtfdi.c: Likewise.
13039         * config/fixunstfdi.c: Likewise.
13040         * config/floatditf.c: Likewise.
13041
13042 2006-02-13  Roger Sayle  <roger@eyesopen.com>
13043
13044         PR middle-end/24427
13045         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13046         into (X,C2) if C1 is a subset of the bits of C2.  Transform
13047         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
13048         (X&(C1&~C2))|C2.
13049         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13050
13051 2006-02-13  Josh Conner  <jconner@apple.com>
13052
13053         PR target/25376
13054         * varasm.c (function_section): Check for section name before
13055         calling select_section on targets that define
13056         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
13057         unlikely_text_section instead of hot_function_section if
13058         first_function_block_is_cold.
13059
13060 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
13061
13062         PR middle-end/25335
13063         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13064
13065 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13066
13067         PR rtl-optimization/26222
13068         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13069         after tree->rtl expansion.
13070         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13071         before passing it to emit_move_insn.
13072
13073 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13074
13075         * doc/invoke.texi (-Write-strings): Document that it is enabled by
13076         default.
13077         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13078         Clarify documentation.
13079         * c-common.h (warn_write_strings): Remove.
13080         * c-common.c (warn_write_strings): Likewise.
13081         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13082         default for C++.
13083
13084 2006-02-12  Roger Sayle  <roger@eyesopen.com>
13085
13086         PR middle-end/25724
13087         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13088         (do_jump_parts_zero_rtx): New function renamed from
13089         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
13090         (do_jump_parts_equality_rtx): New function split out from
13091         do_jump_parts_equality.  Old implementation renamed as above.
13092         Call do_jump_parts_zero_rtx if either operand is zero.
13093         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13094         do all of the heavy lifting.
13095         (do_compare_rtx_and_jump): Handle multi-word comparisons by
13096         calling either do_jump_by_parts_greater_rtx or
13097         do_jump_by_parts_equality_rtx.
13098         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13099         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13100         moved to do_compare_rtx_and_jump, call it directly.
13101         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
13102         mode argument.  Call do_compare_rtx_and_jump.
13103         (emit_case_nodes): Update calls to do_jump_if_equal.
13104
13105 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13106
13107         PR rtl-optimization/26225
13108         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13109
13110 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13111
13112         PR rtl-optimization/26232
13113         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13114
13115 2006-02-11  Jason Merrill  <jason@redhat.com>
13116
13117         PR tree-opt/24365
13118         * tree-inline.c (declare_return_variable): Just don't use the
13119         modify target if it's a gimple complex reg and the return slot
13120         isn't.
13121
13122 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13123
13124         * doc/contrib.texi: Update my entry.
13125
13126 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
13127
13128         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13129
13130 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
13131
13132         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13133         expensive.
13134
13135 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
13136
13137         * doc/invoke.texi (-floop-optimize2): Removed.
13138         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13139         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13140         Test flag_branch_on_count_reg only if HAVE_doloop_end.
13141         * common.opt (floop-optimize2): Removed.
13142         (fmove-loop-invariants): Enabled by default.
13143
13144 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
13145
13146         * tree-if-conv.c (combine_blocks): Free the result of
13147         get_loop_exit_edges.
13148
13149 2006-02-10  Jeff Law  <law@redhat.com>
13150
13151         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13152
13153         PR tree-optimization/26213
13154         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13155         loop trying to follow SSA_NAME_VALUE chains.
13156
13157 2006-02-10  Richard Guenther  <rguenther@suse.de>
13158
13159         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13160         deal with structures that end in implicitly variable sized arrays.
13161
13162 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13163
13164         PR rtl-optimization/24762
13165         * df-scan.c (df_bb_refs_record): Record correct registers defined on
13166         eh edges.
13167
13168 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13169
13170         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13171         (struct ivopts_data): Add regs_used field.
13172         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13173         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13174         instead of loop_data->regs_used;
13175         (free_loop_data): Do not free aux fields for loops.
13176         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13177         and tree_ssa_iv_optimize_finalize.
13178
13179 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
13180
13181         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13182
13183 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13184
13185         PR target/26141
13186         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13187         computing the effective result type.
13188
13189 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13190
13191         PR inline-asm/16194
13192         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13193         (tree_overlaps_hard_reg_set): Declare.
13194         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
13195         type and signature to match function type expected by walk_tree.
13196         (tree_overlaps_hard_reg_set): New function.
13197         (decl_conflicts_with_clobbers_p): Rename to:
13198         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
13199         Use tree_overlaps_hard_reg_set.  Changed caller.
13200         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13201         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13202         * cris.c (cris_md_asm_clobbers): Likewise.
13203
13204 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
13205
13206         * reload1.c (emit_input_reload_insns): Delete code that tries to
13207         inherit using find_equiv_reg.
13208
13209 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13210
13211         * c-common.h (flag_const_strings): Don't declare.
13212         * c-common.c (flag_const_strings): Remove.
13213         * c.opt (fconst_strings): Remove.
13214         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13215         <OPT_Wwrite_strings>: Don't set flag_const_strings.
13216         (c_common_init_options): Don't set flag_const_strings.
13217         * doc/invoke.texi (-fno-const-strings): Remove documentation.
13218
13219 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
13220
13221         * arm.md (tlobits_cbranch): New pattern.
13222         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13223         testing a single bit.
13224
13225 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13226
13227         PR tree-opt/26179
13228         * tree-ssa-pre.c (create_component_ref_by_pieces):
13229         Handle RETURN_DECL like VAR_DECL.
13230
13231 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13232
13233         PR middle-end/26134
13234         * fold-const.c (fold_indirect_ref_1): Fold
13235         "*(foo *)&complexfoo" to "__real__ complexfoo"
13236         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13237
13238 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13239
13240         * tree-flow-inline.h (var_can_have_subvars):
13241         Volatile variables should not have subvariables.
13242
13243 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
13244
13245         PR 26180
13246         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13247         multiplying unsigned values.
13248         Tidy comments.
13249
13250 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
13251
13252         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13253
13254 2006-02-08  Jason Merrill  <jason@redhat.com>
13255
13256         PR c++/25979
13257         * tree.def: Elaborate on difference from MODIFY_EXPR.
13258         * doc/c-tree.texi (INIT_EXPR): Likewise.
13259         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13260         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13261         (gimplify_target_expr): Likewise.
13262         (gimplify_cond_expr): Remove target handling.
13263         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13264         (gimplify_expr): Clobber it here.
13265         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13266         Do return slot optimization if we have an INIT_EXPR.
13267
13268         PR tree-opt/24365
13269         * tree-inline.c (declare_return_variable): Also clear
13270         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13271
13272         PR c++/16405
13273         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13274
13275         PR middle-end/22439
13276         * gimplify.c (gimplify_one_sizepos): Fix typo.
13277
13278 2006-02-08  Jeff Law  <law@redhat.com>
13279
13280         PR tree-optimization/21417
13281         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13282         across a backedge if the control statement at the end of the
13283         block is data dependent on other statements in the same block.
13284         (record_temporary_equivalences_from_stmts): Remove over-conservative
13285         test for threading across backedges.
13286
13287         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13288         control statement, handle all three special cases in the same
13289         manner as they all have the same desired solution.  No longer
13290         special case edge flag updating when the post dominator is
13291         the exit block.
13292
13293 2006-02-08  Roger Sayle  <roger@eyesopen.com>
13294
13295         * tree.def (CHAR_TYPE): Remove.
13296         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13297         * dwarf2out.c (base_type_die, is_base_type): Likewise.
13298         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13299         (gen_string_type_die): Delete unreachable function.
13300
13301         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13302         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13303         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13304         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13305         * builtins.c (type_to_class): Likewise.
13306         * fold-const.c (fold_convert, build_range_check,
13307         merge_ranges): Likewise.
13308         * expr.c (count_type_elements): Likewise.
13309         * c-pretty-print.c (pp_c_type_specifier): Likewise.
13310         * stor-layout.c (layout_type): Likewise.
13311         * ipa-type-escape.c (type_to_consider): Likewise.
13312         * gimplify.c (omp_firstprivatize_type_sizes,
13313         gimplify_type_sizes): Likewise.
13314         * explow.c (promote_mode): Likewise.
13315         * tree-sra.c (is_sra_scalar_type): Likewise.
13316         * varasm.c (output_constant): Likewise.
13317         * tree-inline.c (remap_type_1): Likewise.
13318         * convert.c (convert_to_pointer, convert_to_real,
13319         convert_to_integer, convert_to_complex): Likewise.
13320
13321 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
13322
13323         * df-scan.c (df_def_record_1): A set destination may
13324         be a parallel regardless of mode.
13325
13326 2006-02-08  Roger Sayle  <roger@eyesopen.com>
13327
13328         PR target/22209
13329         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13330         * config/mips/_tilib.c: Remove.
13331         * config/fixtfdi.c: New libgcc source file.
13332         * config/fixunstfdi.c: New source file.
13333         * config/floatditf.c: New source file.
13334         * config/floatunditf.c: New souce file.
13335         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13336         files above instead of config/mips/_tilib.c.
13337         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13338
13339 2006-02-08  Jeff Law  <law@redhat.com>
13340
13341         PR tree-optimization/26169
13342         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13343         threading jumps.
13344
13345 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
13346
13347         * df.h (DF_REG_SIZE): Return the length of the initialized
13348         part of the array.
13349
13350 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
13351
13352         * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13353         __muldf3): Return a correctly signed zero.
13354
13355 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
13356
13357         * passes.c (register_one_dump_file): Accept the current properties
13358         instead of pass number.  Adjust call to dump_register.  Remove
13359         duplicated code.
13360         (register_dump_files): Now a wrapper around...
13361         (register_dump_files_1): ... this one.  Do not modify the pass
13362         structure.
13363         (next_pass_1): Cosmetic fix.
13364         (execute_todo): Keep second parameter only.  Use curr_properties
13365         instead of fetching it from the pass structure.  Check and set
13366         last_verified.
13367         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
13368         instead of fetching it from the pass structure.  Fix calls to
13369         execute_todo.  Update curr_properties and initialize .vcg RTL dump
13370         after running the pass.  Reset last_verified.
13371         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
13372         at the beginning.
13373         (FIRST_AUTO_NUMBERED_DUMP): New.
13374         (dump_register): Remove "num" parameter, assign it within the
13375         function.
13376         (get_dump_file_name): Modify template for dumps.
13377         * tree-dump.h (dump_register): Adjust prototype.
13378         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13379         (PROP_trees): Add PROP_gimple_lomp.
13380         (TODO_set_props): New.
13381         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13382         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13383         * cfgexpand.c (pass_expand): Destroy PROP_trees.
13384
13385 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
13386
13387         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13388         (sparc64-*-linux*): Likewise.
13389         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13390         * config/sparc/t-linux: New file.
13391         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13392         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13393         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13394         -m32 -mlong-double-128.
13395
13396         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13397         * config/alpha/t-linux: New file.
13398         * config/alpha/libgcc-alpha-ldbl.ver: New file.
13399
13400         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13401         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13402         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13403         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13404         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13405         (CPP_ARCH32_SPEC): Remove.
13406
13407 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
13408
13409         PR tree-optimization/26145
13410         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13411         bbs pointer.
13412
13413 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13414
13415         PR target/26109
13416         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13417         >= 240000 when generating code for SOM runtime.
13418         (output_indirect_call): Don't use "b,l" instruction for indirect calls
13419         to $$dyncall when generating code for SOM runtime..
13420
13421 2006-02-07  Dirk Mueller  <dmueller@suse.com>
13422
13423         PR c++/18150
13424         * doc/invoke.texi (-Wsequence-point): Update documentation
13425         that -Wsequence-point is implemented for C++ as well.
13426
13427 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13428
13429         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13430         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13431         (LIB_SPEC): Likewise.
13432         * doc/invoke.texi (SPARC options): Document -pthread.
13433
13434 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
13435
13436         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13437         PIC addresses.
13438
13439 2006-02-07  Roger Sayle  <roger@eyesopen.com>
13440
13441         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13442         Correct comment describing BOOLEAN_TYPE.
13443
13444 2006-02-07  Dirk Mueller  <dmueller@suse.com>
13445
13446         * c.opt: C++ frontend supports -Wdiv-by-zero.
13447         * c-opts.c (c_common_handle_option): Remove dead case.
13448
13449 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13450
13451         * configure.ac (TLS assembler check): Do not enable TLS by
13452         default on SPARC/Solaris before version 10.
13453         * configure: Regenerate.
13454
13455 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
13456
13457         * doc/invoke.texi (xl-compat): Document conversion and support
13458         routine names.
13459
13460 2006-02-07  Jeff Law  <law@redhat.com>
13461
13462         * tree-vrp.c (find_conditional_asserts): Update comments.
13463         (simplify_stmt_for_jump_threading): New.
13464         (identify_jump_threads, finalize_jump_threads): New.
13465         (vrp_finalize): Call identify_jump_threads.
13466         (execute_vrp): Call finalize_jump_threads.
13467         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13468         (vrp_element, vrp_data, vrp_element_p): Remove.
13469         (vrp_hash_elt, vrp_variables_stack): Remove.
13470         (vrp_hash, vrp_eq, record_range): Remove.
13471         (simplify_cond_and_lookup_avail_expr): Remove.
13472         (extract_range_from_cond): Remove.
13473         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13474         (simplify_stmt_for_jump_threading): New.
13475         (dom_thread_across_edge): New wrapper.
13476         (tree_ssa_dominator_optimize): No longer initialize or
13477         finalize any of the VRP datastructures.  Remove iteration
13478         step and simplify as a result of removal of iteration step.
13479         (pass_dominator): Perform a cfg cleanup after DOM.
13480         (dom_opt_finalize_block): Use the new common routines
13481         for threading jumps.  Simplify stack management slightly.
13482         No longer need to unwind VRP state.
13483         (record_equivalences_from_incoming_edge): No longer record
13484         VRP information.
13485         (eliminate_redundant_computations): No longer call
13486         simplify_cond_and_lookup_avail_expr.
13487         * tree-flow.h (potentially_threadable_block): Prototype.
13488         (thread_across_edge): Likewise.
13489         * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13490         (tree-ssa-threadedge.o): Add dependencies.
13491         * tree-ssa-threadedge.c: New file.
13492         * passes.c (init_optimization_passes): Merge PHIs before
13493         calling VRP.  Run VRP again late in the SSA optimization pipeline.
13494
13495 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13496
13497         * df-core.c (df_set_blocks): Do not dereference function pointers.
13498         (df_finish1): Likewise.
13499         (df_hybrid_search_forward): Likewise.
13500         (df_hybrid_search_backward): Likewise.
13501         (df_iterative_dataflow): Likewise.
13502         (df_analyze_problem): Likewise.
13503         (df_compact_blocks): Likewise.
13504         (df_dump): Likewise.
13505         * df-scan.c (df_rescan_blocks): Likewise.
13506         (df_record_entry_block_defs): Likewise.
13507
13508         * genconditions.c (write_conditions): Guard the definition of
13509         'insn_conditions' with the check on GCC version.
13510         (write_writer): Guard the traversal 'insn_conditions' with
13511         the check on GCC version.
13512
13513 2006-02-07  Richard Guenther  <rguenther@suse.de>
13514
13515         PR c++/26140
13516         Revert
13517         2006-01-30  Richard Guenther  <rguenther@suse.de>
13518         PR c++/23372
13519         * gimplify.c (gimplify_target_expr): Handle easy cases
13520         without creating a temporary.
13521
13522 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
13523
13524         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13525         use of float in probability computations.  Use edge probabilities
13526         in place of statically computed probabilities.
13527         (min_spec_prob): New static variable.
13528         (schedule_insns): Initialize it.
13529         (GET_SRC_PROB): Removed.
13530         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13531
13532 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
13533
13534         PR debug/24444
13535         * config/ia64/unwind-ia64.c: Revert last change.
13536         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13537         (INCOMING_FRAME_SP_OFFSET): Define.
13538
13539 2006-02-06  Roger Sayle  <roger@eyesopen.com>
13540
13541         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13542
13543 2006-02-07  Ben Elliston  <bje@au.ibm.com>
13544
13545         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13546         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13547         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13548         (ix86_return_in_memory): Handle TDmode.
13549         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13550         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13551
13552 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
13553
13554         * reorg.c (dbr_schedule): Use dump_file instead of file.
13555
13556 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
13557
13558         PR target/25917
13559         * config/ia64/predicates.md (extr_len_operand): New predicate.
13560         * config/ia64/ia64.md (extv): Tighten constraints.
13561         (extzv): Ditto.
13562         (*tbit_and_2): Ditto.
13563         (*tbit_and_3): Ditto.
13564         (*tbit_or_2): Ditto.
13565         (*tbit_or_3): Ditto.
13566         (*bit_zero): Ditto.
13567         (*bit_one): Ditto.
13568
13569 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
13570
13571         PR target/23359
13572         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13573
13574 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
13575
13576         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13577         loop_optimizer_init and loop_optimizer_finalize
13578         * tree-ssa-sink.c (execute_sink_code): Ditto.
13579         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13580         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13581         tree_ssa_loop_done): Ditto.
13582         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13583         * sched-ebb.c: Include output.h.
13584         (schedule_ebbs): Do not use dump argument.
13585         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13586         * loop.c (loop_dump_stream): Removed.
13587         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13588         argument.
13589         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13590         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13591         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13592         loop_iterations, strength_reduce, record_biv, record_giv,
13593         final_giv_value, check_final_value, check_ext_dependent_givs,
13594         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13595         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13596         dump_file instead of loop_dump_stream.
13597         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13598         argument dump_file.
13599         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13600         dump argument.
13601         * flow.c (life_analysis, rest_of_handle_life): Ditto.
13602         * haifa-sched.c: Include output.h
13603         (schedule_insns, sched_init): Do not use dump argument.
13604         * mode-switching.c (optimize_mode_switching): Ditto.
13605         * modulo-sched.c (stats_file): Removed.
13606         (print_node_sched_params): Do not call argument dump_file.
13607         (sms_schedule_by_order, loop_canon_p, sms_schedule,
13608         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
13609         of stats_file.
13610         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13611         use dump argument.
13612         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13613         rtl_loop_init, rtl_loop_done): Ditto.
13614         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13615         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13616         Ditto.
13617         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13618         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13619         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13620         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13621         * emit-rtl.c (renumber_insns): Ditto.
13622         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13623         expand_gimple_basic_block, tree_expand_cfg): Ditto.
13624         * regclass.c (regclass): Ditto.
13625         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13626         remove_ssa_form, rewrite_out_of_ssa): Ditto.
13627         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13628         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13629         Ditto.
13630         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13631         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13632         to regclass.
13633         * gcse.c (gcse_file, debug_stderr): Removed.
13634         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13635         rest_of_handle_gcse): Do not use dump argument.
13636         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13637         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13638         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13639         compute_code_hoist_vbeinout, compute_code_hoist_data,
13640         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13641         compute_store_table, build_store_vectors, insert_insn_start_bb,
13642         insert_store, remove_reachable_equiv_notes, replace_store_insn,
13643         store_motion): Use dump_file instead of gcse_file.
13644         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13645         * profile.c (profile_dump_file): Removed.
13646         (branch_prob): Use dump_file instead of profile_dump_file.
13647         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13648         dump_file.
13649         * tree-ssa-copy.c (dump_copy_of): Ditto.
13650         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13651         dump file to life_analysis.
13652         * bt-load.c (branch_target_load_optimize): Ditto.
13653         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13654         renumber_insns.
13655         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13656         regclass, dbr_schedule): Declaration changed.
13657         * sched-int.h (sched_init): Declaration changed.
13658         * tree-profile.c (tree_profile_dump_file): Removed.
13659         (tree_profile_hooks): Removed profile_dump_file hook.
13660         * rtl-profile (rtl_profile_dump_file): Removed.
13661         (rtl_profile_hooks): emoved profile_dump_file hook.
13662         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13663         changed.
13664         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13665         * tree-cfg.c (build_tree_cfg): Ditto.
13666         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13667         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13668         Declaration changed.
13669         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13670         life_analysis and schedule_insns.
13671         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13672         life_analysis.
13673         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13674         dbr_schedule.
13675         * config/mips/mips.c (mips_reorg): Ditto.
13676         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13677         schedule_ebbs.
13678
13679 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
13680
13681         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13682         (s390_mangle_fundamental_type): New.
13683         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13684         Define.
13685
13686         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13687         (alpha_mangle_fundamental_type): New.
13688         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13689         Define.
13690
13691         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13692         Define.
13693         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13694         Define.
13695         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13696         (sparc_mangle_fundamental_type): New.
13697
13698 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
13699
13700         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13701         (s390x-*-linux*): Likewise.
13702         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13703         * config/s390/t-linux: New file.
13704
13705 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
13706
13707         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13708         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13709
13710 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
13711
13712         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13713         (ANTIC_SAFE_LOADS): New macro.
13714         (find_or_generate_expression): Add prototype.
13715         (set_contains_value): Allow null set for sake of not always having
13716         to allocate ANTIC_SAFE_LOADS.
13717         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13718         Allow COMPONENT_REF too.
13719         (valid_in_set): Allow COMPONENT_REF.
13720         Check ANTIC_SAFE_LOADS too.
13721         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13722         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13723         rename.
13724         (can_PRE_operation): Add COMPONENT_REF.
13725         (create_component_ref_by_pieces): New function.
13726         (create_expression_by_pieces): Use create_component_ref_by_pieces.
13727         (insert_aux): Move AGGREGATE_TYPE_P check here.
13728         (compute_avail): Set bb local stmt uids.
13729         (pass_pre): Use TODO_update_ssa_only_virtuals.
13730
13731 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13732
13733         * configure.ac: Unconditionally disable decimal float by default.
13734         * configure: Regenerate.
13735
13736 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13737
13738         * read-rtl.c (read_name): Terminate reading on EOF.
13739
13740 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13741
13742         * dfp.c (decimal_real_arithmetic): Change second argument type
13743         from int to enum tree_code. Do not always return true, but now
13744         return result of any call to decimal_do helper functions.
13745         * dfp.h (decimal_real_arithmetic): Update prototype.
13746
13747 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
13748
13749         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13750
13751 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
13752
13753         PR tree-opt/25251
13754         * tree-cfg.c (cleanup_dead_labels): Also don't remove
13755         forced labels.
13756
13757 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
13758
13759         * tree-vrp.c (cfg_loops): Removed.
13760         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13761         Use current_loops instead of cfg_loops.  Pass flags to
13762         loop_optimizer_init.
13763         * cfgloopmanip.c (fix_loop_structure): Update only available
13764         information.
13765         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13766         loop_optimizer_init.
13767         * modulo-sched.c (build_loops_structure): Removed.
13768         (sms_schedule): Use loop_optimizer_init.
13769         * loop-init.c (loop_optimizer_init): Use flags to determine
13770         which properties of loops to prepare.
13771         (rtl_loop_init): Pass flags to loop_optimizer_init.
13772         * tree-ssa-sink.c (execute_sink_code): Ditto.
13773         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13774         * tree-ssa-pre.c (init_pre): Ditto.
13775         * cfgloop.h (LOOPS_NORMAL): New.
13776         (loop_optimizer_init): Declaration changed.
13777
13778 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13779
13780         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13781         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13782         pa/t-pa.
13783         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13784         pa/t-pa.
13785         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13786         pa/x-ada.
13787         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13788         * pa/t-pa64: Delete quadlib.c rule.
13789         * pa/x-ada: Revert last change.
13790         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
13791
13792 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
13793
13794         PR rtl-optimization/26087
13795         * rtlanal.c (canonicalize_condition): Do not cross basic block
13796         boundaries.
13797
13798 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
13799
13800         PR debug/24444
13801         * config/ia64/ia64.c: Include debug.h.
13802         (MAX_ARTIFICIAL_LABEL_BYTES): New.
13803         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13804         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13805         (process_epilogue, process_set, process_for_unwind_directive):
13806         Output unwind info only if requested.  Add CFA info if requested.
13807         Add new arguments as needed.  Adjust callers.
13808         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13809         incorrect default.
13810         (DWARF2_FRAME_INFO): Define to zero.
13811         * config/ia64/unwind-ia64.c: Remove code that compensated for
13812         the CFA offset error fixed above.
13813         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13814         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13815         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13816         -funwind-tables and -fexceptions to enable frame info.
13817         (dwarf2out_frame_init): Define initial CFA even if
13818         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
13819         DWARF2_UNWIND_INFO is nonzero, not just defined.
13820         (dwarf2out_frame_finish): Output non-EH call frame info only
13821         if DWARF2_FRAME_INFO is nonzero.
13822         (convert_cfa_to_loc_list,
13823         compute_frame_pointer_to_cfa_displacement): Define even if
13824         unwind info is not supported.
13825         (gen_subprogram_die): Use the above unconditionally.  Remove
13826         legacy alternate code.
13827         * toplev.c (compile_file): Compile in call to
13828         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13829         (lang_dependent_init): Ditto for dwarf2out_frame_init.
13830
13831 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
13832             Jakub Jelinek  <jakub@redhat.com>
13833
13834         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13835         IBM extended float format long double as "g" on powerpc*-linux.
13836
13837 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13838
13839         PR target/25926
13840         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13841         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13842
13843 2006-02-03  Jason Merrill  <jason@redhat.com>
13844
13845         PR c++/25979
13846         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13847
13848         PR middle-end/25977
13849         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13850         on the return slot if it's an NRV.
13851
13852 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
13853
13854         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13855         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13856         rewrite_use): Do not handle USE_OUTER.
13857         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13858         add_iv_outer_candidates, may_replace_final_value,
13859         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13860         (find_interesting_uses_op): Functionality of
13861         find_interesting_uses_outer_or_nonlin moved here.
13862         (find_interesting_uses_outside): Use find_interesting_uses_op.
13863
13864 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
13865
13866         PR target/25960
13867         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13868
13869 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
13870             Ulrich Weigand  <uweigand@de.ibm.com>
13871
13872         PR target/25864
13873         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13874         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13875         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13876         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13877         and dxr fields.
13878         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13879         (s390_rtx_costs): Use the new fields to calculate rtx costs.
13880         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13881         Define secondary reloads for TFmode moves.
13882         (constant_modes): Add TFmode.
13883         (NR_C_MODES): Set to 8.
13884         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13885         builtin define.
13886         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13887         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13888         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13889         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13890         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13891         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13892         (FPR mode macro): Add TFmode.
13893         (DSF mode macro): New.
13894         (<de>, <dee> mode attributes): Removed.
13895         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13896         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13897         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13898         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13899         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13900         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13901         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13902         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13903         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13904         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13905         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13906         "*negabs<mode>2", "sqrt<mode>2"):
13907         Changed <de> to <xde>. R constraint replaced by <Rf>.
13908         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13909         <Rf>.
13910         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13911         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13912         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13913         splitters.
13914         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13915         "extenddftf2", "extendsftf2"): New expanders.
13916         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13917         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13918         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13919         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13920         New options.
13921         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13922         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13923         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13924         __floatditf): Add a GCC_4.1.0 symbol version tag.
13925         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13926         the new options.
13927
13928 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
13929
13930         PR target/25377
13931         * config/i386/i386.c (ix86_function_ok_for_sibcall):
13932         Use targetm.binds_local_p instead of TREE_PUBLIC.
13933
13934 2006-02-02  Roger Sayle  <roger@eyesopen.com>
13935
13936         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13937         on INTEGER_TYPEs to indicate that it denotes a character type.
13938         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13939         signed_char_type_node, unsigned_char_type_node and char_type_node.
13940         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13941         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
13942         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13943
13944 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
13945             Daniel Berlin  <dberlin@dberlin.org>
13946
13947         * tree-tailcall.c (arg_needs_copy_p): New function.
13948         (eliminate_tail_call): Use arg_needs_copy_p.
13949         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13950         (add_virtual_phis): New function.
13951
13952 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
13953
13954         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13955         #ignore instead of #scratch for %g7 .register directive.
13956
13957 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
13958
13959         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13960         object files.
13961
13962 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
13963
13964         * flow.c (calculate_global_regs_live): Assert that there aren't any
13965         EDGE_FAKE edges.
13966
13967 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
13968
13969         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13970         what its name says.
13971         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13972         bsi_after_labels iterator.
13973         * tree-if-conv.c (find_phi_replacement_condition,
13974         replace_phi_with_cond_modify_expr): Likewise.
13975         * tree-scalar-evolution.c (scev_const_prop): Likewise.
13976         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13977
13978 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
13979
13980         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13981
13982 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
13983
13984         PR 25990
13985         * tree-cfg.c (move_block_to_fn): Clear out the basic block
13986         array after growing it.
13987
13988 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
13989
13990         PR middle-end/24901
13991         * fold-const.c (fold_checksum_tree): Change type of buf.
13992
13993 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
13994
13995         * reload.c (push_secondary_reload): Initialize t_icode.
13996
13997 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
13998
13999         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14000         -msoft-float -mlong-double-128 only issue a warning, but don't
14001         swich to DFmode long double.
14002
14003 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
14004
14005         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14006         has a constant equivalent, iterate over equivalents for arg0,
14007         calling simplify_relational_operation and if there's a result
14008         cheaper than X, apply fold_rtx and return the result.
14009
14010 2006-02-01  Jan Hubicka  <jh@suse.cz>
14011
14012         * opts.c (no_unit_at_a_time_default): New global variable.
14013         (decode_options): Use it.
14014         * opts.h (no_unit_at_a_time_default): Declare.
14015
14016 2006-02-01  Paul Brook  <paul@codesourcery.com>
14017
14018         * function.c (assign_parm_setup_reg): Use function argument promotion
14019         rules.
14020         * expr.c (expand_expr_real_1): Use function argument promotion rules
14021         for PARM_DECLs.
14022
14023 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
14024
14025         * gcc.c (process_command): Change j to 'unsigned int'.
14026
14027 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
14028
14029         PR middle-end/26001
14030         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14031         Use the corrected index for the character
14032         out of the string constant.
14033
14034 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
14035
14036         * mode-switching.c (optimize_mode_switching): Fix size
14037         allocated for bb_info[n_entities].
14038
14039 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
14040
14041         * gcc.c (main): Correct type that is allocated for
14042         explicit_link_files.
14043
14044 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
14045
14046         * config/s390/s390.c (init_alignment_context): Set
14047         ALIAS_SET_MEMORY_BARRIER on the MEM.
14048         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14049
14050 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
14051
14052         PR middle-end/25933
14053         * loop-unroll.c (unroll_loop_runtime_iterations): Free
14054         dom_bbs pointer.
14055         * tree-ssa-live.c (type_var_init): Allocate bitmap after
14056         call to tpa_init.
14057
14058 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
14059
14060         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14061         * regrename.c: Ditto.
14062         * tree-ssa-loop-im.c: Ditto.
14063         * tree-dump.c: Ditto.
14064         * tree-complex.c: Ditto.
14065         * genrecog.c: Ditto.
14066         * tree-ssa-threadupdate.c: Ditto.
14067         * tracer.c: Ditto.
14068         * java/class.c: Ditto.
14069         * java/jcf-parse.c: Ditto.
14070         * java/resource.c: Ditto.
14071         * java/except.c: Ditto.
14072         * java/jvspec.c: Ditto.
14073         * java/jcf-write.c: Ditto.
14074         * java/jcf-path.c: Ditto.
14075         * java/gjavah.c: Ditto.
14076         * java/zextract.c: Ditto.
14077         * java/jcf-io.c: Ditto.
14078         * java/jcf.h: Ditto.
14079         * java/buffer.c: Ditto.
14080         * java/lang.c: Ditto.
14081         * java/parse-scan.y: Ditto.
14082         * java/lex.c: Ditto.
14083         * java/lex.h: Ditto.
14084         * cfgloopmanip.c: Ditto.
14085         * postreload-gcse.c: Ditto.
14086         * tree-ssa-loop-manip.c: Ditto.
14087         * postreload.c: Ditto.
14088         * tree-ssa-loop-ch.c: Ditto.
14089         * loop.c: Ditto.
14090         * ipa-cp.c: Ditto.
14091         * cppspec.c: Ditto.
14092         * diagnostic.c: Ditto.
14093         * final.c: Ditto.
14094         * genoutput.c: Ditto.
14095         * gcc.c: Ditto.
14096         * cfghooks.c: Ditto.
14097         * cfgloopanal.c: Ditto.
14098         * objc/objc-act.c: Ditto.
14099         * gcov.c: Ditto.
14100         * genextract.c: Ditto.
14101         * genautomata.c: Ditto.
14102         * pretty-print.c: Ditto.
14103         * genemit.c: Ditto.
14104         * cgraphunit.c: Ditto.
14105         * flow.c: Ditto.
14106         * df-scan.c: Ditto.
14107         * haifa-sched.c: Ditto.
14108         * dominance.c: Ditto.
14109         * dbxout.c: Ditto.
14110         * tree-ssa-loop-ivopts.c: Ditto.
14111         * df-core.c: Ditto.
14112         * mode-switching.c: Ditto.
14113         * modulo-sched.c: Ditto.
14114         * graph.c: Ditto.
14115         * ipa-pure-const.c: Ditto.
14116         * cse.c: Ditto.
14117         * fix-header.c: Ditto.
14118         * web.c: Ditto.
14119         * tree-stdarg.c: Ditto.
14120         * ipa-utils.c: Ditto.
14121         * loop-init.c: Ditto.
14122         * ipa-inline.c: Ditto.
14123         * cfganal.c: Ditto.
14124         * global.c: Ditto.
14125         * alloc-pool.c: Ditto.
14126         * dwarf2out.c: Ditto.
14127         * opts.c: Ditto.
14128         * genattrtab.c: Ditto.
14129         * tree-ssa-loop-ivcanon.c: Ditto.
14130         * predict.c: Ditto.
14131         * timevar.c: Ditto.
14132         * lcm.c: Ditto.
14133         * fortran/gfortranspec.c: Ditto.
14134         * regmove.c: Ditto.
14135         * local-alloc.c: Ditto.
14136         * langhooks.c: Ditto.
14137         * function.c: Ditto.
14138         * tree-vectorizer.c: Ditto.
14139         * gcse.c: Ditto.
14140         * ipa-type-escape.c: Ditto.
14141         * alias.c: Ditto.
14142         * tree-if-conv.c: Ditto.
14143         * profile.c: Ditto.
14144         * ipa.c: Ditto.
14145         * tree-data-ref.c: Ditto.
14146         * loop-unroll.c: Ditto.
14147         * treelang/treetree.c: Ditto.
14148         * calls.c: Ditto.
14149         * bt-load.c: Ditto.
14150         * ggc-common.c: Ditto.
14151         * except.c: Ditto.
14152         * coverage.c: Ditto.
14153         * cselib.c: Ditto.
14154         * tree-cfgcleanup.c: Ditto.
14155         * tree-ssa-pre.c: Ditto.
14156         * cfgcleanup.c: Ditto.
14157         * loop-invariant.c: Ditto.
14158         * loop-iv.c: Ditto.
14159         * ipa-prop.c: Ditto.
14160         * print-tree.c: Ditto.
14161         * conflict.c: Ditto.
14162         * ggc-page.c: Ditto.
14163         * sched-deps.c: Ditto.
14164         * regclass.c: Ditto.
14165         * tree-object-size.c: Ditto.
14166         * combine.c: Ditto.
14167         * bb-reorder.c: Ditto.
14168         * resource.c: Ditto.
14169         * var-tracking.c: Ditto.
14170         * cfgloop.c: Ditto.
14171         * df-problems.c: Ditto.
14172         * reg-stack.c: Ditto.
14173         * tlink.c: Ditto.
14174         * gccspec.c: Ditto.
14175         * sched-rgn.c: Ditto.
14176         * tree-ssa-structalias.c: Ditto.
14177         * tree-ssa-reassoc.c: Ditto.
14178         * config/darwin-c.c: Ditto.
14179         * config/darwin.c: Ditto.
14180         * config/arm/arm.c: Ditto.
14181         * cfgrtl.c: Ditto.
14182         * collect2.c: Ditto.
14183         * reload1.c: Ditto.
14184
14185 2006-01-31  Nicolas Pitre  <nico@cam.org>
14186
14187         * arm.md (smaxsi3): Make aware of smax_m1.
14188         (smax_m1): New.
14189
14190 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
14191
14192         * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14193
14194 2006-01-31  Richard Guenther  <rguenther@suse.de>
14195
14196         * doc/invoke.texi (-msselibm): Document.
14197         * target.h (expand_library_builtin): New target hook.
14198         * builtins.c (expand_builtin): Use expand_library_builtin.
14199         (default_expand_library_builtin): New function.
14200         * gcc.c (LINK_GCC_MATH_SPEC): Define.
14201         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14202         (link_gcc_math_spec): Declare.
14203         (static_specs): Add link_gcc_math_spec.
14204         * expr.h (default_expand_library_builtin): Declare.
14205         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14206         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14207         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14208         * config/i386/i386.opt (msselibm): New target option.
14209         * config/i386/i386.c (ix86_builtin_function_variants): New array.
14210         (ix86_init_sse_abi_builtins): New function.
14211         (ix86_expand_library_builtin): Likewise.
14212         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14213         (override_options): Handle error conditions wrt -msselibm.
14214         (ix86_builtins): Add function codes for SSE2 ABI builtins.
14215         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14216         * doc/extend.texi (__builtin_sse2_*): Document new target specific
14217         builtins.
14218
14219 2006-01-31  Richard Guenther  <rguenther@suse.de>
14220         Paolo Bonzini  <bonzini@gnu.org>
14221
14222         * doc/install.texi (--disable-libgcc-math): Document.
14223
14224 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
14225
14226         * expr.h (expand_normal): new inline function.
14227         * builtins.c: use it, use EXPAND_NORMAL explicitely.
14228         * dojump.c: use it.
14229         * dwarf2out.c: use it.
14230         * expr.c: use it.
14231         * calls.c: use it.
14232         * expmed.c: use it.
14233         * except.c: use it.
14234         * config/sparc/sparc.c: use it.
14235         * config/i386/i386.c: use it.
14236         * config/rs6000/rs6000.c: use it.
14237         * config/arm/arm.c: use it.
14238         * config/mips/mips.c: use it.
14239         * stmt.c: use it, use EXPAND_NORMAL explicitely.
14240
14241 2006-01-30  Roger Sayle  <roger@eyesopen.com>
14242
14243         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14244         argv to the appropriate type.
14245
14246 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
14247
14248         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14249         unreachable code.
14250
14251 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
14252
14253         PR target/26018
14254         * config/s390/s390.c (struct machine_function): New flag
14255         decomposed_literal_pool_addresses_ok_p.
14256         (s390_reorg): Set it before final stage of literal pool transforms.
14257         (s390_decompose_address): Only accept displacements of the form
14258         (minus (label_ref ...) (label_ref ...)) if that flag is set.
14259
14260 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
14261
14262         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14263         the comparison routine return.
14264
14265 2006-01-30  Michael Matz  <matz@suse.de>
14266
14267         * global.c (find_reg): Only evict for global regs.
14268         Take n_refs into account and dump more info.
14269
14270 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
14271
14272         PR target/14798:
14273         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14274         (pragma_trap, pragma_nosave_low_regs): Likewise.
14275         (current_function_anonymous_args): Likewise.
14276         (sh_deferred_function_attributes): New variable.
14277         (sh_deferred_function_attributes_tail): Likewise.
14278         (print_operand): For '@', look up trap_exit attribute.
14279         (calc_live_regs): Look up trapa_handler attribute.  For trapa
14280         handlers, save/restore fpscr, but don't do any other
14281         interrupt-specific saves.
14282         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14283         Fix check for partially saved registers to check for SHmedia.
14284         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14285         (sh_output_function_epilogue): Don't clear any of the removed
14286         variables.
14287         (sh_insert_attributes): Don't check pragma_interrupt.
14288         Insert deferred attributes.  Check that interrupt attribute is
14289         present for other attributes that require its presence.
14290         (sh_attribute_table): Add new attributes trapa_handler and
14291         nosave_low_regs.
14292         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14293         Don't check for pragma_interrupt.  Don't store argument.
14294         * sh.h (pragma_interrupt, sp_switch): Don't declare.
14295         (sh_deferred_function_attributes): Declare.
14296         (sh_deferred_function_attributes_tail): Likewise.
14297         * sh.md (sp_switch_1): Add operand.  Change generator caller.
14298         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14299         (*return_i): Don't use when trap_exit attribute is in effect.
14300         (*return_trapa): New insn pattern.
14301         * sh-c.c: New file.
14302         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14303         setting c_target_objs and cxx_target_objs.
14304         * t-sh: Add rule for sh-c.o.
14305
14306 2006-01-30  Richard Guenther  <rguenther@suse.de>
14307
14308         PR c++/23372
14309         * gimplify.c (gimplify_target_expr): Handle easy cases
14310         without creating a temporary.
14311
14312 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
14313
14314         * vec.h (safe_grow): Remove duplicated line.
14315
14316 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
14317
14318         PR 25874
14319         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14320         (expand_omp): ... here.
14321         (expand_omp_parallel): Only remove barriers for combined
14322         parallel+workshare constructs.
14323
14324 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
14325
14326         Revert
14327
14328         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
14329         * tree.c (build_qualified_type): Chain the new type to the original
14330         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14331         a POINTER_TYPE or a REFERENCE_TYPE respectively.
14332         (build_pointer_type_for_mode): Only return unqualified types.
14333         (build_reference_type_for_mode): Likewise.
14334
14335 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
14336
14337         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14338         * Makefile.in (CXX_COMPAT_WARN): Define.
14339         * configure: Regenerate.
14340
14341 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
14342
14343         PR tree-opt/25911
14344         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14345         to an if check.
14346
14347 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14348
14349         * toplev.c: Fix thinko.
14350
14351 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14352             Marcin Dalecki  <martin@dalecki.de>
14353
14354         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14355         (push_srcloc): Use XNEW.
14356         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14357
14358 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
14359
14360         * df-core.c (df_set_blocks): Deleted all variable.
14361
14362 2006-01-28  Ian Lance Taylor  <ian@airs.com>
14363
14364         * cgraphunit.c (cgraph_assemble_pending_functions): Call
14365         cgraph_output_pending_asms.
14366
14367 2006-01-28  Zack Weinberg  <zackw@panix.com>
14368
14369         * c.opt: Add -W(no-)overlength-strings.
14370         * doc/invoke.texi: Document it.
14371         * c-opts.c (c_common_handle_option): -pedantic implies
14372         -Woverlength-strings, if not explicitly disabled already.
14373         (c_common_post_options): -Woverlength-strings defaults to off, and
14374         is always off for C++.
14375         * c-common.c (fix_string_type): Issue warning about strings longer
14376         than is portable only if warn_overlength_strings.  Rearrange code
14377         a little for clarity.
14378         * configure.in: Check for -Wno-overlength-strings as well before
14379         enabling -pedantic in stage 1.
14380         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14381         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14382
14383         * genconditions.c (write_header, write_one_condition)
14384         (write_conditions, write_writer): Consolidate very long strings
14385         that were broken up to fit in C89 portable limit.  Don't use
14386         printf when fputs will do.
14387
14388 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
14389
14390         * combine.c (simplify_comparison <AND>): Check
14391         TRULY_NOOP_TRUNCATION before start using a subreg.
14392
14393         * config/mips/mips.md (*branch_zero<mode>,
14394         *branch_zero<mode>_inverted, *branch_equality<mode>,
14395         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14396         Remove mode check from comparisons.
14397
14398 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
14399
14400         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14401
14402 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
14403
14404         * expmed.c (const_mult_add_overflow_p): Remove.
14405         * expr.h: Remove the prototype for const_mult_add_overflow_p.
14406
14407         * recog.c (validate_replace_rtx_subexp): Remove.
14408         * recog.h: Remove the prototype for
14409         validate_replace_rtx_subexp.
14410
14411         * integrate.h: Remove the prototype for
14412         copy_decl_for_inlining.
14413         * rtl.h: Remove the prototype for mark_constant_function.
14414         * tree-vectorizer.h: Remove the prototype for
14415         vect_strip_conversion.
14416
14417         * modulo-sched.c (create_partial_schedule,
14418         free_partial_schedule, reset_partial_schedule): Make them
14419         static.
14420
14421         * hooks.c (hook_bool_rtx_int_false): Remove.
14422         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14423
14424 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
14425
14426         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14427         and -mlong-double-128 are incompatible.
14428         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14429         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14430         (TARGET_LIBGCC2_CFLAGS): Define.
14431         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14432         (TARGET_LIBGCC2_CFLAGS): Same.
14433         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14434
14435 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
14436
14437         PR c/19606.
14438         * c-typeck.c (build_binary_op): Perform implicit casts of
14439         operands before shortening them.
14440
14441         * cfgloopmanip.c (split_loop_bb): Remove.
14442         * cfgloop.h: Remove the prototype for split_loop_bb.
14443
14444         * cfgloop.c (flow_loop_outside_edge_p): Remove.
14445         * cfgloop.h: Remove the prototype for
14446         flow_loop_outside_edge_p.
14447
14448         * emit-rtl.c (init_virtual_regs): Make it static.
14449         * function.h: Remove the prototype for init_virtual_regs.
14450
14451         * recog.c (peephole2_optimize): Make it static.
14452         * recog.h: Remove the prototype for peephole2_optimize.
14453
14454 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14455
14456         * df-scan.c (df_record_entry_block_defs): Check if
14457         INCOMING_RETURN_ADDR_RTX is defined.
14458
14459 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
14460             Kenneth Zadeck <zadeck@naturalbridge.com>
14461
14462         PR rtl-optimization/24762
14463         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14464         * targhooks.c (hook_void_bitmap): New hook prototype.
14465         * targhoohs.h (hook_void_bitmap): Ditto.
14466         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14467         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14468         * target.h (live_on_entry): New function pointer.
14469         * df-scan.c (df_all_hard_regs): Removed.
14470         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14471         (df_scan_free_internal): Added df->entry_block_defs.
14472         (df_scan_alloc): Ditto.
14473         (df_scan_dump): Ditto.
14474         (df_uses_record): Plumbed flag field properly thru calls.
14475         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14476         This part fixes PR24762.
14477         (df_bb_refs_record): Added code to make the frame and arg
14478         pointers live in EH blocks.
14479         (df_refs_record): Added call to df_record_entry_block_defs.
14480         (df_record_entry_block_defs): New function.
14481         * df-core.c: Added comments to describe new artifical defs.
14482         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14483         (entry_block_defs): New field in struct df.
14484         (df_all_hard_regs): Deleted.
14485         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14486         * df-problems.c (df_ru_bb_local_compute_process_def):
14487         Added code to handle artifical defs in the entry to a function.
14488         (df_ru_bb_local_compute): Ditto.
14489         (df_rd_bb_local_compute_process_def): Ditto.
14490         (df_rd_bb_local_compute): Ditto.
14491         (df_lr_bb_local_compute): Ditto.
14492         (df_ur_bb_local_compute): Ditto.
14493         (df_urec_bb_local_compute): Ditto.
14494         (df_chain_create_bb): Ditto.
14495         (df_ur_local_finalize): Removed entry.
14496         (df_urec_init): Ditto.
14497         (df_urec_local_finalize): Ditto.
14498         (df_ri_bb_compute): Added detection of last use of pseudos.
14499         * Makefile.in (df-scan.o): Updated dependencies.
14500         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14501         * config/mips/mips.c (mips_set_live_on_entry): Added.
14502         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14503         for target hook.
14504         * dce.c (marked_insn_p): Added code to handle artifical defs.
14505
14506 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14507
14508         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14509         intrinsic.
14510         (_mm_cvtsi128_si64): Likewise.
14511         (_mm_cvtsd_si64): Likewise.
14512         (_mm_cvttsd_si64): Likewise.
14513         (_mm_cvtsi64_sd): Likewise.
14514         (_mm_cvtsi64_si128): Likewise.
14515         * config/i386/mmintrin.h (_m_from_int64): Likewise.
14516         (_mm_cvtsi64_m64): Likewise.
14517         (_m_to_int64): Likewise.
14518         (_mm_cvtm64_si64): Likewise.
14519         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14520         (_mm_cvttss_si64): Likewise.
14521         (_mm_cvtsi64_ss): Likewise.
14522         (_mm_cvtss_f32): Likewise.
14523
14524 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
14525
14526         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14527         for pragma redefine_extname.
14528
14529 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
14530
14531         PR target/25864
14532         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14533         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14534         -mno-minimal-toc to previous content.
14535         (bispecs): Remove goal.
14536         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14537         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14538         compatibility aliases on powerpc-*-*gnu*.
14539         * config/rs6000/libgcc-ppc-glibc.ver: New file.
14540         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14541         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14542         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14543         (ldblspecs): New goal.
14544         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14545         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14546         _df_to_tf.
14547         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14548         L_sf_to_tf or L_df_to_tf is defined.
14549
14550 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
14551             Alan Modra  <amodra@bigpond.net.au>
14552
14553         PR target/25864
14554         * config/rs6000/linux.h (POWERPC_LINUX): Define.
14555         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14556         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14557         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14558         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14559         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14560         (rs6000_override_options): Initialize rs6000_ieeequad.
14561         Initialize TFmode format to ibm_extended_format if not
14562         TARGET_IEEEQUAD.
14563         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14564         ieeelongdouble.
14565         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14566         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14567         (function_arg_advance): IBM long double passed in two FPRs, not
14568         split.
14569         (function_arg): IBM long double passed in FPRs.
14570         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14571         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14572         Only multireg GPR aligned.
14573         (rs6000_init_libfuncs): Enable IBM long double functions if not
14574         IEEEQUAD.
14575         (rs6000_generate_compare): Use IBM long double compare if not
14576         TARGET_IEEEQUAD.
14577         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14578         (TARGET_IEEEQUAD): Define.
14579         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14580         not TARGET_IEEEQUAD.
14581         * config/rs6000/rs6000.md: Enable TFmode patterns if
14582         !TARGET_IEEEQUAD.
14583         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14584         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14585         and -mlong-double-128 are incompatible.
14586         * doc/invoke.texi (-mabi): Collect options together.  Add
14587         ibmlongdouble and ieeelongdouble.
14588
14589 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
14590
14591         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14592         opaque type.
14593         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14594         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14595         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14596         * rtl.h (rtunion_def): Remove rt_ptr.
14597         (X0PTR): Delete.
14598         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14599         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14600         * config/i386/winnt.c (i386_pe_mark_dllexport)
14601         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14602
14603 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14604
14605         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14606
14607 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
14608
14609         PR other/24829
14610         PR target/24831
14611         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14612         pthread_key_delete.  From John David Anglin.  gthrw-ify
14613         pthread_getunique_np only if it it's not a macro.  Delete
14614         UNUSED macro.
14615         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14616         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14617         __gthread_objc_condition_signal, __gthread_key_delete): Add
14618         "__attribute__ ((__unused__))" to unused arguments.
14619         (__gthread_recursive_mutex_init_function): Add missing return.
14620         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14621         gthr-posix95.h: Use macro-based approach for name redirection
14622         on targets missing weakref.
14623
14624 2006-01-26  Zack Weinberg  <zackw@panix.com>
14625
14626         * genconditions.c (write_header): In generated code, #ifdef out
14627         all includes and fake declarations, except includes of bconfig.h
14628         and system.h, unless GCC_VERSION >= 3001.  Do not include
14629         gensupport.h in any case.
14630         (write_conditions): Generate a definition of struct c_test.  Add
14631         a comment to the generated #endif.
14632         (write_one_condition): Escape backslashes in string too.
14633         (write_writer): Generated code must escape backslashes and quote
14634         marks (but not newlines) in the strings it writes.
14635         * Makefile.in (build/gencondmd.o): Update dependencies.
14636
14637 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
14638
14639         PR target/25961
14640         * Makefile.in (insn-automata.o): Add header file dependencies.
14641         * genautomata.c: Add includes.
14642
14643 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
14644
14645         PR target/25961
14646         * Makefile.in (insn-automata.o): Add -Wno-error flag.
14647
14648 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
14649
14650         * configure.ac: Expect target tools paths to be passed from the toplevel
14651         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
14652         AS_SET_VAR_IF.
14653         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14654
14655 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
14656
14657         PR c/25892
14658         * c.opt (Wpointer-sign): Init to -1.
14659         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14660         OPT_pedantic, to 0 otherwise.
14661         * doc/invoke.texi: Update.
14662
14663 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
14664
14665         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14666         constants provided by 80387 instructions in the destination mode.
14667
14668 2006-01-26  Richard Guenther  <rguenther@suse.de>
14669             Andrew Pinski  <pinskia@physics.uc.edu>
14670
14671         PR tree-opt/21470
14672         partial PR tree-opt/17064
14673         * tree-ssa-structalias.c (intra_create_variable_infos):
14674         Create heap variables for incoming parameters if
14675         flag_argument_noalias > 1.
14676         (find_what_p_points_to): Look through default defs of
14677         parameter decls.
14678
14679 2006-01-26  Jeff Law  <law@redhat.com>
14680
14681         PR ada/25900
14682         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14683         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14684         within the VR_RANGE, use the VR_RANGE as the result, not the
14685         VR_ANTI_RANGE.
14686         (adjust_range_with_scev): Reject ranges from SCEV which are out of
14687         bounds for the type.
14688
14689 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
14690
14691         * tree-ssa-alias.c (maybe_create_global_var): Change
14692         subvar walking to an assertion that we don't have subvar'd variables.
14693
14694 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
14695
14696         PR C/25861
14697         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14698         Use a new variable, inner.  PARM_DECLs are always non-weak.
14699
14700 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
14701
14702         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14703         --disable-checking.
14704
14705 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
14706
14707         * config/mips/mips.md (*clear_upper32): New combiner pattern.
14708
14709 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
14710
14711         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14712         (smax_insn, smin_insn, smax_0, smin_0): New.
14713
14714 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
14715
14716         PR target/25947
14717         * config/cris/cris.c (cris_order_for_addsi3): New function.
14718         * config/cris/cris-protos.h: Prototype it.
14719         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14720         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14721         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14722         (split for "op.S1 [rx=rx+i],ry (swapped)")
14723         (split for "op(s|u).S1 [rx=rx+i],ry")
14724         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14725         Apply cris_order_for_addsi3 when generating addsi3 insns.
14726
14727 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
14728
14729         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14730         (TREE_BLOCK): Add call to EXPR_CHECK.
14731
14732 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
14733
14734         PR 25886
14735         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14736         * tree-pretty-print.c (dump_omp_clause): Extract from ...
14737         (dump_omp_clauses): ... here.
14738         (dump_generic_node): Handle OMP_CLAUSE.
14739         * tree.c (omp_clause_num_ops): New.
14740         (omp_clause_code_name): New.
14741         (tree_code_size): Handle OMP_CLAUSE.
14742         (tree_size): Likewise.
14743         (make_node): Document handling of OMP_CLAUSE.
14744         (tree_node_structure): Handle OMP_CLAUSE.
14745         (omp_clause_check_failed): New.
14746         (omp_clause_range_check_failed): New.
14747         (omp_clause_operand_check_failed): New.
14748         (build_omp_clause): New.
14749         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14750         * tree.h (enum omp_clause_code): Declare.
14751         (OMP_CLAUSE_SUBCODE_CHECK): Define.
14752         (OMP_CLAUSE_RANGE_CHECK): Define.
14753         (OMP_CLAUSE_ELT_CHECK): Define.
14754         (omp_clause_check_failed): Declare.
14755         (omp_clause_operand_check_failed): Declare.
14756         (omp_clause_range_check_failed): Declare.
14757         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14758         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14759         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14760         (OMP_CLAUSE_LASTPRIVATE): Likewise.
14761         (OMP_CLAUSE_IF_EXPR): Likewise.
14762         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14763         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14764         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14765         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14766         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14767         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14768         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14769         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14770         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14771         (OMP_CLAUSE_CODE): Define.
14772         (OMP_CLAUSE_SET_CODE): Define.
14773         (OMP_CLAUSE_CODE): Define.
14774         (OMP_CLAUSE_OPERAND): Define.
14775         (struct tree_omp_clause): Declare.
14776         (union tree_node): Add field 'omp_clause'.
14777         * treestruct.def (TS_OMP_CLAUSE): Define.
14778         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14779         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14780         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14781         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14782         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14783         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14784         (OMP_CLAUSE): Define.
14785         * print-tree.c (print_node): Handle OMP_CLAUSE.
14786         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14787         * c-typeck.c: Likewise.
14788         * gimplify.c: Likewise.
14789         * c-omp.c: Likewise.
14790         * tree-nested.c: Likewise.
14791         * tree-inline.c: Likewise.
14792         * c-parser.c: Likewise.
14793         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14794         clauses.
14795
14796 2006-01-25  Roger Sayle  <roger@eyesopen.com>
14797
14798         PR rtl-optimization/25703
14799         * combine.c (try_combine): Handle zero_extract and strict_low_part
14800         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14801
14802 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
14803
14804         * global.c: Fix comment typos.
14805
14806 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
14807
14808         PR target/25758
14809         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14810         Use output_addr_const instead of assemble_name.
14811
14812 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
14813
14814         * Makefile.in (sched-vis.o): Update dependencies.
14815         * haifa-sched.c (sched_finish): Clear current_sched_info.
14816         * cfg.c (dump_bb_info): New, split from dump_flow_info.
14817         (dump_flow_info): Call it.
14818         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14819         a slim RTL dump.
14820         * basic-block.h (dump_bb_info): Declare.
14821         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14822         option, and apply options only for dump files whose TDF_RTL,
14823         TDF_TREE, or TDF_IPA bits match.
14824         * rtl.h: Declare new functions exported from sched-vis.c.
14825         * sched-vis.c: Enable also if scheduling is not used.
14826         (print_value): Print the mode of registers if not inside scheduling.
14827         (print_insn): Make it work outside the scheduler.  Beautify the output
14828         a bit.
14829         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14830
14831 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
14832
14833         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14834         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14835         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14836         depending on the value of CONSTANT_POOL_ADDRESS_P.
14837         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14838         SYMBOL_REF_DECL.
14839         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14840         rather than SYMBOL_REF_DECL.
14841         (rtx_constant_pool): Remove const_rtx_sym_htab.
14842         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14843         (init_varasm_status): Don't initialize const_rtx_sym_htab.
14844         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14845         Remove handling of const_rtx_sym_htab.
14846         (find_pool_constant): Delete.
14847         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14848         rather than find_pool_constant.
14849         (get_pool_constant_for_function): Delete.
14850         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14851         find_pool_constant.
14852         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14853         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14854         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14855         (SYMBOL_REF_CONSTANT): New macro.
14856         (get_pool_constant_for_function): Delete.
14857         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14858         rather than SYMBOL_REF_DECL.
14859         (i386_pe_mark_dllimport): Likewise.
14860         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14861         rather than SYMBOL_REF_DECL.
14862         * config/darwin.c (machopic_indirect_data_reference): Likewise.
14863         (machopic_indirect_call_target): Likewise.
14864
14865 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14866
14867         * flow.c (delete_noop_moves): Add missing EOL to dump message.
14868
14869 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
14870
14871         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14872
14873 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
14874
14875         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14876
14877 2006-01-24  David Daney  <ddaney@avtrex.com>
14878
14879         PR java/25816
14880         * configure.ac (enable_tls): New enable option.
14881         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14882         * configure: Regenerate.
14883         * doc/install.texi (--enable-tls): Document new option.
14884         (--disable-tls): Ditto.
14885
14886 2006-01-24  Richard Henderson  <rth@redehat.com>
14887
14888         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14889         * alias.c (true_dependence): Respect it.
14890         (canon_true_dependence, write_dependence_p): Likewise.
14891         * builtins.c (get_builtin_sync_mem): Set it.
14892
14893 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
14894
14895         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14896         efficient way.
14897
14898 2006-01-24  DJ Delorie  <dj@redhat.com>
14899
14900         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14901         for storing constants in single-bit bitfields.
14902
14903 2006-01-25  Ben Elliston  <bje@au.ibm.com>
14904
14905         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14906
14907 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
14908
14909         PR tree-opt/25860
14910         * tree-ssa-pre.c (phi_translate): Return NULL
14911         for AGGREGATE_TYPE's.
14912
14913 2006-01-24  Zack Weinberg  <zackw@panix.com>
14914
14915         * genautomata.c (process_state_for_insn_equiv_partition):
14916         Use xcalloc for insn_arcs_array.
14917         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14918         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14919
14920 2006-01-24  Richard Henderson  <rth@redhat.com>
14921
14922         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14923         update all callers.
14924
14925 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
14926
14927         PR rtl-optimization/25890
14928         PR rtl-optimization/25905
14929         * combine.c (expand_compound_operation, expand_field_assignment):
14930         Fail if the bitfield's final position is out of bounds.
14931
14932 2006-01-24  Ian Lance Taylor  <ian@airs.com>
14933
14934         PR middle-end/25930
14935         * cgraphunit.c (cgraph_output_in_order): Don't clear
14936         cgraph_asm_nodes until after asm strings have been output.
14937
14938 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
14939
14940         * fix-header.c (read_scan_file): Add new parameter imultilib when
14941         calling register_include_chains.
14942
14943 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
14944
14945         * omp-low.c: Update documentation.
14946
14947 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
14948             Daniel Berlin  <dberlin@dberlin.org>
14949
14950         PR tree-opt/25315
14951         PR tree-opt/25857
14952         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14953         return from the function.
14954
14955 2006-01-22  Zack Weinberg  <zackw@panix.com>
14956
14957         * rtl.def (match_code): Add second argument.
14958         * genpreds.c (write_extract_subexp): New function.
14959         (write_match_code): Add path argument.  Use write_extract_subexp.
14960         (write_predicate_expr): Pass path to write_match_code.
14961         (mark_mode_tests): MATCH_CODE applied to a subexpression does
14962         not perform a mode test.
14963         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14964         a subexpression does not constrain the top-level code set.
14965         * read-rtl.c (read_rtx_variadic): New function.
14966         (read_rtx_1): Use it; allow AND and IOR to be variadic.
14967         * doc/md.texi: Document new notation.
14968         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14969         (cmpsi_operand): ... here, using new notation.
14970
14971 2006-01-22  Zack Weinberg  <zackw@panix.com>
14972
14973         * varray.c: Remove GENERATOR_FILE #ifdefs.
14974
14975 2006-01-22  Zack Weinberg  <zackw@panix.com>
14976
14977         * genautomata.c (output_reserved_units_table): Emit nothing if
14978         description->query_units_num is zero.  Remove extra blank line.
14979         (output_cpu_unit_reservation_p): Short circuit
14980         if description->query_units_num is zero.
14981
14982 2006-01-22  Zack Weinberg  <zackw@panix.com>
14983
14984         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
14985         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
14986         nor any of the random handful of variables that used to be necessary
14987         when this program was linked with rtlanal.o.  Prune set of forward
14988         function declarations.
14989         (struct attr_desc): Remove static_p field.
14990         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14991         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14992         (attr_string): Do not read the character one past the length of
14993         the string.
14994         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14995         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14996         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14997         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14998         (make_automaton_attrs): New.
14999         (main): Do not call into genautomata.  Call local gen_bypass
15000         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
15001         Remove special case for insn_alts.
15002         * genautomata.c: Include gensupport.h; not genattrtab.h nor
15003         varray.h (leftover from previous change).  Prune set of forward
15004         function declarations.  Remove state_alts fields from all
15005         structures.  Remove state_alts_table from struct automaton.
15006         Make everything except main static.  Do not maintain num_dfa_decls.
15007         Do not maintain state_alts fields of various structures.
15008         (process_decls): Don't validate condexp for dm_insn_reserv decls.
15009         (add_arc): Remove state_alts argument.  All callers updated.
15010         (output_reserved_units_table): Emit #ifdef here...
15011         (output_tables): ...not here.  Don't generate state_alts tables.
15012         (expand_automata): Don't generate attributes.
15013         (write_automata): Don't generate state_alts functions.
15014         (main): New function.
15015         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15016         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15017         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15018         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15019         (BYPASS_P_FUNC_NAME, output_state_alts_table)
15020         (output_automata_list_state_alts_code, output_internal_state_alts_func)
15021         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15022         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15023         Delete.
15024         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15025         * genattrtab.h: Delete file.
15026         * Makefile.in (OBJS-common): Add insn-automata.o.
15027         (insn-automata.o): New rule.
15028         (simple_generated_c): Add insn-automata.c.
15029         (build/genattrtab.o, build/genautomata.o): Update dependencies.
15030         (genprogmd): Add automata.
15031         (build/genattrtab): Needs no extra objects nor libraries.
15032         (build/genautomata): Needs build/vec.o and -lm.
15033
15034 2006-01-22  Zack Weinberg  <zackw@panix.com>
15035
15036         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15037         (output_dfa_max_issue_rate, locked_states_num): Delete.
15038         (struct automaton): Add locked_states field.
15039         (output_dead_lock_vect): Save number of locked states in
15040         automaton->locked_states.  If it is zero, don't print anything.
15041         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15042         (output_internal_dead_lock_func): Only test the dead_lock_vect
15043         for automata that have locked states.
15044         (output_statistics): Always print the number of locked states for
15045         each automaton.  Calculate total number of locked states here.
15046         (write_automata): Don't call output_dfa_max_issue_rate.
15047         * genattrtab.c: Define length_unit_log as a const variable.
15048         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
15049         max_insn_queue_index const.
15050         * final.c (length_unit_log): Declare const.
15051         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15052
15053 2006-01-22  Zack Weinberg  <zackw@panix.com>
15054
15055         * genautomata.c: Include vec.h, not varray.h.
15056         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15057         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
15058         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
15059         VEC_* macros operating on appropriately typed vectors, or to
15060         malloced arrays when the size is known in advance.  Const-ify
15061         many char* variables and function arguments.  No functional changes.
15062         * Makefile.in (build/varray.o): Delete rule.
15063         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15064         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15065
15066 2006-01-22  Zack Weinberg  <zackw@panix.com>
15067
15068         * gensupport.c: Define get_insn_name and record_insn_name here.
15069         (read_md_rtx): Call record_insn_name as appropriate.
15070         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15071         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15072         * genpreds.c, genrecog.c: Don't define get_insn_name nor
15073         record_insn_name.
15074         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15075         (BUILD_VARRAY): Delete.
15076         (genprognormal): Rename genprogmd.  Fold in all programs from
15077         genprognoprint; also attrtab.
15078         (build/genattrtab): Just mention genautomata.o and varray.o.
15079         Reorganize a bit, add comments to make the categories clearer.
15080
15081 2006-01-22  Zack Weinberg  <zackw@panix.com>
15082
15083         * genconditions.c (condition_table, add_condition): Delete.
15084         (write_conditions): Don't emit n_insn_conditions nor
15085         insn_elision_unavailable.  Issue the gcc version #ifdef here,
15086         inside the table, with no #else clause ...
15087         (write_header): ...not here.
15088         (write_writer): New function.
15089         (main): Don't initialize condition_table.  Use add_c_test.
15090         Call write_writer.
15091         * gensupport.c (init_md_reader_args_cb): Handle multiple input
15092         files on the command line.
15093         (maybe_eval_c_test): Don't check insn_elision_unavailable.
15094         Return -1 if there is no entry in the table, don't abort.
15095         (add_c_test, traverse_c_tests): New functions.
15096         * gensupport.h (insn_elision_unavailable, insn_conditions)
15097         (n_insn_conditions): Delete declarations.
15098         (add_c_test, traverse_c_tests): Declare.
15099         * read-rtl.c: Include gensupport.h.
15100         (read_conditions): New function.
15101         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15102         (read_rtx_1): If we get EOF when we were looking for an initial
15103         open paren, return 0.  Call read_conditions when appropriate.
15104         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15105         dummy-conditions.o.  Eliminate references to insn-conditions.o,
15106         or change them to build/gencondmd.o, as appropriate.  Remove
15107         insn-constants.h from $(simple_generated_h) and insn-conditions.c
15108         from $(simple_generated_c).  For all files remaining in those
15109         two lists, add insn-conditions.md to the generator command line.
15110         Give insn-constants.h/s-constants their own rules.  Add rules
15111         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15112         (build/read-rtl.o): Depend on gensupport.h.
15113         (genprognormal): Include preds.
15114         (genprogearly): Rename genprognoprint; only difference is now that
15115         they don't link with $(BUILD_PRINT).
15116         * dummy-conditions.c: Delete.
15117
15118 2006-01-22  Zack Weinberg  <zackw@panix.com>
15119
15120         * genextract.c: Don't include insn-config.h.  Do include vec.h.
15121         Declare vectors of int, char, and locstr.
15122         (locstr): New typedef.
15123         (struct extraction): Make all array fields into bare pointers.
15124         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15125         (insn_code_number): Delete.
15126         (accum_extract): New struct.
15127         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15128         (gen_insn): Take insn_code_number as an argument.  Use an
15129         accum_extract structure instead of loading data directly into
15130         a struct extraction, and having to know how big it might get.
15131         (walk_rtx): Operate entirely on an accum_extract structure.
15132         (print_path): Avoid unnecessary use of printf.
15133         (print_header): New function, split out of main.  Distinguish
15134         more carefully between an unrecognizable insn and an insn that
15135         has the code number of a define_expand.
15136         (main): Pass insn_code_number to gen_insn.  Call print_header
15137         only after parsing.  Avoid unnecessary use of printf.
15138         * Makefile.in (build/vec.o): New rule.
15139         (build/genextract): Depend on build/vec.o.
15140         (build/genextract.o): Don't depend on insn-config.h.
15141
15142 2006-01-22  Zack Weinberg  <zackw@panix.com>
15143
15144         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15145         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
15146         practical.  Eliminate per-generator-program link rules.
15147
15148 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
15149
15150         PR middle-end/24437
15151         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15152         with a call expr to ...
15153         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15154
15155 2006-01-23  Richard Guenther  <rguenther@suse.de>
15156
15157         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15158         before make_edge with conditional EDGE_TRUE_VALUE.
15159
15160 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
15161         Jan Hubicka  <jh@suse.cz>
15162         Richard Guenther  <rguenther@suse.de>
15163
15164         PR rtl-optimization/25654
15165         * cfgexpand.c (aggregate_contains_union_type): New function.
15166         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
15167         for structure variables that contain a union type.
15168
15169 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
15170
15171         * gengtype.c (new_structure): Return the structure.
15172         (create_option): Add an extra "next" argument.
15173         (create_field): New function.
15174         (adjust_field_rtx_def): Use create_option and create_field.
15175         Remove a now-unnecessary call to find_structure.
15176         (adjust_field_tree_def): Likewise.
15177         (note_yacc_type): Remove an unnecessary call to find_structure.
15178         * gengtype.h (new_structure): Return the structure.
15179         (create_option): Add an extra argument.
15180         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15181         (option): Adjust calls to create_option.
15182
15183 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
15184
15185         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15186
15187 2006-01-22  Paul Brook  <paul@codesourcery.com>
15188         Peter Barada  <peter@the-baradas.com>
15189
15190         * config/m68k/m68k.md: Add Coldfire FPU support.
15191         Define FP mode macro and associated attributes.
15192         Use it for float mode patterns.
15193         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15194         (LIBCALL_VALUE): Use m68k_libcall_value.
15195         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15196         (m68k_function_value): Ditto.
15197         (emit_move_sequence): Ditto.
15198         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15199         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15200         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15201         (MULTILIB_EXCEPTIONS): Ditto.
15202         * config/m68k/m68k.opt: Add mcfv4e.
15203         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15204         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15205         (m68k_output_function_prologue): Save ColdFire FPU registers.
15206         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15207         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15208         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15209         ColdFire FPU registers.
15210         (m68k_libcall_value, m68k_function_value): New functions.
15211         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15212         (LIBCALL_VALUE): Use m68k_libcall_value.
15213         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15214         (MASK_COLDFIRE): Add MASK_CFV4E.
15215         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15216         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15217         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15218         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15219         (GO_IF_LEGITIMATE_ADDRESS): Use it.
15220         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15221         * doc/invoke.tex: Document -mcfv4e on m68k.
15222
15223 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
15224
15225         * doc/contribute.texi: Change CVS to SVN and update the corresponding
15226         URL.
15227
15228 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15229
15230         PR c++/16190
15231         * c-opts.c (c_common_handle_option): Don't include
15232         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15233         * doc/invoke.texi (C++ Dialect Options): Document that
15234         -Wnon-virtual-dtor is no longer included in -Wall.
15235
15236 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
15237
15238         * gcov.c (print_version), gcov-dump.c (print_version),
15239         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15240         dates.
15241
15242 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
15243
15244         * df-scan.c (problem_SCAN): Added NULL reset function.
15245         (df_scan_reset_blocks): Added code to call reset block function
15246         (df_bb_refs_delete) Fixed comment.
15247         (df_insn_refs_delete): Made tolerant of deleting non existent info
15248         for dataflow problems that need to be reset.
15249         * df-core.c (df_set_blocks): Ditto.
15250         * df.h (struct df_problem): Added reset_fun.
15251         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15252         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15253         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15254         functions to clear out all references to def-use or use-def chains.
15255
15256 2006-01-21  Ben Elliston  <bje@au.ibm.com>
15257
15258         * varasm.c (assemble_real): Initialise data array.
15259
15260 2006-01-20  Paul Brook  <paul@codesourcery.com>
15261
15262         Merge from csl-arm-branch.
15263         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
15264         * config/arm/arm.md (movdi): Force operands[1] to a register
15265         if we have a non-register source.
15266         (*arm_movdi, *movdf_soft_insn): Require that one of the
15267         operands be a register.
15268         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15269         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15270
15271 2006-01-20  DJ Delorie  <dj@redhat.com>
15272
15273         * varasm.c (initializer_constant_valid_p): Allow pointers
15274         initialized from integer constants of lesser precision.
15275         (output_constant): Allow non-int-sized pointer modes to be
15276         initialized from integer constants.
15277
15278 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
15279
15280         PR libstdc++/25524
15281         * cppdefault.h (struct default_include): Add multilib flag.
15282         * cppdefault.c (cpp_include_defaults): Set it.
15283         * c.opt (-imultilib): New option.
15284         * c-opts.c (imultilib): New.
15285         (c_common_handle_option): Handle -imultilib.
15286         (c_common_post_options): Likewise.
15287         * c-incpath.c (add_standard_paths, register_include_chains):
15288         Likewise.
15289         * c-incpath.h (register_include_chains): Add extra parameter.
15290         * gcc.c (do_spec_1): Generate -imultilib option.
15291         (The Specs Language): Update %I description.
15292         (process_command): Update copyright notice.
15293         * doc/cppopts.texi (-imultilib): Document.
15294         * doc/invoke.texi (-imultilib): Include in option summary.
15295         (%I): Update specs documentation.
15296
15297 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
15298
15299         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15300
15301 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
15302
15303         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15304         label numbers.
15305
15306 2006-01-20  Richard Guenther  <rguenther@suse.de>
15307         Steven Bosscher <stevenb.gcc@gmail.com>
15308
15309         PR rtl-optimization/24626
15310         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15311         EDGE_TRUE_VALUE if in RTL mode.
15312
15313         Revert
15314         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15315         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15316
15317 2006-01-20  Dirk Mueller  <dmueller@suse.com>
15318
15319         PR c++/5520
15320         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15321         instead of a special NOP marker.
15322         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15323         NOP marker handling.
15324         * c-common.h (empty_body_warning): Add forward declaration.
15325         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15326         Now uses IS_EMPTY_STMT() instead of special NOP markers.
15327
15328 2006-01-20  Paul Brook  <paul@codesourcery.com>
15329
15330         * Makefile.in (lang_checks): Keep going if mkdir fails.
15331
15332 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
15333
15334         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15335         be able to clean out basic block when not necessary.
15336         (df_scan_free): Fixed to properly delete information if df is
15337         unused before calling df_finish.
15338         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15339         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15340         or comment typos.
15341         (df_bb_refs_delete): New function.
15342         (df_refs_delete): Moved per block code to df_bb_refs_delete.
15343         * df-core.c (df_set_blocks): Added code to properly clean out
15344         unused blocks if they are not part of the blocks to consider.
15345         Added additional null check.
15346         (df_compact_blocks): Added basic block parameter to free_bb_fun to
15347         be able to clean out basic block when not necessary
15348         * df.h (df_free_bb_function): Ditto.
15349         (df_bb_refs_delete): New function.
15350         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15351         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15352         basic block parameter to be able to clean out basic block when not
15353         necessary.
15354         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15355         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15356         Fixed to properly delete information if df is unused before
15357         calling df_finish.
15358
15359 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
15360
15361         PR rtl-optimization/25799
15362         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15363         Corrected confluence operator to remove bits from op2 before oring
15364         with op1 rather than removing bits from op1.
15365         (df_ru_transfer_function): Corrected test on wrong bitmap which
15366         caused infinite loop.  Both of these problems were introduced in
15367         the dataflow rewrite.
15368
15369 2006-01-19  DJ Delorie  <dj@redhat.com>
15370
15371         * reload1.c (find_reload_regs): Note the details of reload
15372         failures in the dump file.
15373         (spill_failure): Likewise.
15374
15375 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
15376
15377         * loop-iv.c: Include df.h and hashtab.h.
15378         (enum iv_grd_result): New enum.
15379         (DF_REF_IV, DF_REF_IV_SET): New macros.
15380         (struct biv_entry): New.
15381         (df, bivs): New global variables.
15382         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15383         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15384         Removed.
15385         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15386         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15387         analyzed_for_bivness_p, record_biv): New functions.
15388         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15389         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15390         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15391         UD chains.
15392         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15393         analysed.
15394         (iv_number_of_iterations): Use new interface to iv analysis.
15395         * loop-unroll.c: Do not include varray.h.
15396         (analyze_iv_to_split_insn): Use new interface to iv
15397         analysis.
15398         * loop-unswitch.c (may_unswitch_on): Ditto.
15399         * df.c (df_bitmaps_free): Only work for bbs for that structures are
15400         allocated.
15401         (df_bb_modify): Realloc tables to the new index.
15402         (df_find_use): New function.
15403         * df.h (df_find_use): Declare.
15404         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15405         outmode.
15406         * cfgloop.h (struct rtx_iv): Remove analysed field.
15407         (iv_get_reaching_def): Removed.
15408         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15409         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15410         (loop-iv.o): Add df.h and hashtab.h dependency.
15411         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15412
15413 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
15414
15415         PR target/25668
15416         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15417         Double TFmode.
15418         (__floatundisf, __floatundidf): Likewise.
15419         * libgcc2.h (IS_IBM_EXTENDED): Define.
15420
15421 2006-01-19  DJ Delorie  <dj@redhat.com>
15422
15423         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15424
15425 2006-01-19  Paul Brook  <paul@codesourcery.com>
15426
15427         * config/arm/arm.c (arm_compute_func_type): Treat all functions
15428         as nothrow when unwinding tables are disabled.
15429
15430 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15431
15432         PR testsuite/25171
15433         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15434         of bit-field" when in system header.
15435
15436 2006-01-19  DJ Delorie  <dj@redhat.com>
15437
15438         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15439         the 16 bit shift limit of the m16c.
15440
15441 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
15442
15443         PR target/22099
15444         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15445         * config/i386/i386.c (output_set_got): Output the label if we have one
15446         for the TARGET_DEEP_BRANCH_PREDICTION case.
15447
15448 2006-01-19  Jan Hubicka  <jh@suse.cz>
15449             H.J. Lu  <hongjiu.lu@intel.com>
15450             Evandro Menezes <evandro.menezes@amd.com>
15451
15452         * invoke.texi (generic): Document
15453         (i686) Update.
15454         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15455         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15456         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15457         (x86_use_incdec, x86_pad_returns): New variables
15458         (TARGET_CPU_DEFAULT_generic): New constant
15459         (TARGET_CPU_DEFAULT_NAMES): Add generic.
15460         (enum processor_type): Add generic32 and generic64.
15461         * i386.md (cpu attribute): Add generic32/generic64
15462         (movhi splitter): Behave sanely when both partial_reg_dependency and
15463         partial_reg_stall are set.
15464         (K8 splitters): Enable for generic as well.
15465         * predicates.md (incdec_operand): Use TARGET_INCDEC
15466         (aligned_operand): Avoid memory mismatch stalls.
15467         * athlon.md: Enable for generic64, new patterns for 128bit moves.
15468         * ppro.md: Enable for generic32
15469         * i386.c (generic64_cost, generic32_cost): New.
15470         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15471         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
15472         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
15473         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15474         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15475         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15476         x86_partial_reg_dependency, x86_memory_mismatch_stall,
15477         x86_accumulate_outgoing_args, x86_prologue_using_move,
15478         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15479         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15480         Enable for generic.
15481         (x86_use_incdec, x86_pad_returns): New.
15482         (override_options): Add generic32 and generic64, translate "generic"
15483         to generic32/generic64 and "i686" to "generic32", refuse
15484         "generic32"/"generic64" as arch target.
15485         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15486         (ix86_reorg): Honor PAD_RETURNS.
15487
15488 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
15489
15490         * tree-pretty-print.c (dump_generic_node): Handle
15491         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15492         * cgraph.c (cgraph_expand_queue): Rename from
15493         cgraph_analyze_queue.  Update all users.
15494         * cgraphunit.c (cgraph_assemble_pending_functions): Process
15495         cgraph_expand_queue.
15496         (cgraph_expand_all_functions): Likewise.
15497         (cgraph_finalize_pending_functions): Remove.  Update callers.
15498
15499         * tree.h (OMP_DIRECTIVE_P): Define.
15500         (OMP_PARALLEL_FN): Define.
15501         (OMP_PARALLEL_DATA_ARG): Define.
15502         (OMP_SECTIONS_SECTIONS): Define.
15503         * tree-pass.h (pass_expand_omp): Declare.
15504         * omp-low.c (struct omp_region): Declare.
15505         (struct omp_context): Remove fields 'parallel_type',
15506         'parallel_start_ix' and 'parallel_start_additional_args'.
15507         Update all users.
15508         (struct omp_for_data): Rename from struct expand_omp_for_data.
15509         (omp_regions): New static variable.
15510         (root_omp_region): New static variable.
15511         (find_omp_clause): Make static.
15512         (is_in_combined_parallel_ctx): Remove.
15513         (is_combined_parallel): New.
15514         (extract_omp_for_data): Move earlier in the file.
15515         (workshare_safe_to_combine_p): New.
15516         (get_ws_args_for): New.
15517         (determine_parallel_type): Move earlier in the file.
15518         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15519         child function.
15520         (omp_copy_decl): Likewise.
15521         (create_omp_child_function): Likewise.
15522         (lookup_omp_region): New.
15523         (dump_omp_region): New.
15524         (debug_omp_region): New.
15525         (debug_all_omp_regions): New.
15526         (new_omp_region): New.
15527         (scan_omp_parallel): If parallel_nesting_level > 1, the
15528         directive is nested within another parallel directive.
15529         Set OMP_PARALLEL_FN.
15530         (scan_omp_for): Do not try to handle combined parallel+for
15531         cases.
15532         Remove FIXME comment.
15533         (scan_omp_nested): Remove.
15534         (scan_omp_1): Do not call scan_omp_nested when
15535         parallel_nesting_level is > 1.
15536         Do not change the DECL_CONTEXT of local variables found.
15537         (lookup_decl_in_outer_ctx): New.
15538         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15539         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15540         (lower_reduction_clauses): Rename from expand_reduction_clauses.
15541         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15542         If CTX is nested, lookup VAR in the outer context when
15543         building copy assignment.
15544         (lower_send_clauses): Rename from expand_send_clauses.
15545         If CTX is nested, lookup VAR in the outer context when
15546         building copy assignments.
15547         (lower_send_shared_vars): Rename from expand_send_shared_vars.
15548         If CTX is nested, lookup VAR in the outer context when
15549         building copy assignments.
15550         (expand_parallel_call): Rename from build_parallel_call.
15551         Handle combined parallel+workshare cases.
15552         Re-implement to emit code into the CFG.
15553         (list2chain): New.
15554         (expand_omp_parallel): Re-implement to emit code into the CFG.
15555         Call move_sese_region_to_fn to outline the sub-graph
15556         containing the parallel region.
15557         (expand_omp_for_1): Remove.
15558         (expand_omp_for_generic): Re-implement to emit code into the
15559         CFG.
15560         (expand_omp_for_static_nochunk): Likewise.
15561         (expand_omp_for_static_chunk): Likewise.
15562         (expand_omp_for): Likewise.
15563         (expand_omp_sections): Likewise.
15564         (remove_exit_barriers): New.
15565         (expand_omp_synch): New.
15566         (expand_omp): New.
15567         (build_omp_regions_1): New.
15568         (build_omp_regions): New.
15569         (execute_expand_omp): New.
15570         (gate_expand_omp): New.
15571         (pass_expand_omp): Define.
15572         (lower_omp_sections): Rename from expand_omp_sections.
15573         Set OMP_SECTIONS_SECTIONS.
15574         (lower_omp_single_simple): Rename from expand_omp_single_simple.
15575         (lower_omp_single_copy): Rename from expand_omp_single_copy.
15576         (lower_omp_single): Rename from expand_omp_simple.
15577         (lower_omp_master): Rename from expand_omp_master.
15578         (lower_omp_ordered): Rename from expand_omp_ordered.
15579         (lower_omp_critical): Rename from expand_omp_critical.
15580         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15581         (lower_omp_for): Re-implement.
15582         (lower_omp_parallel): Re-implement.
15583         (lower_regimplify): Rename from expand_regimplify.
15584         (lower_omp_1): Rename from expand_omp_1.
15585         If there are syntax errors in the program, replace every
15586         OpenMP directive with NOP.
15587         Call lower_omp_* instead of expand_omp_*.
15588         (lower_omp): Rename from expand_omp.
15589
15590         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15591         * tree-gimple.h (enum omp_parallel_type): Remove.
15592         (gimple_boolify): Declare extern.
15593         (find_omp_clause, determine_parallel_type): Remove.
15594
15595         * gimple-low.c (lower_omp_directive): New.
15596         (lower_stmt): Call it.
15597         (record_vars_into): Move from ...
15598         (record_vars): ... here.
15599         Call record_vars_into with current_function_decl.
15600
15601         * gimplify.c (struct gimplify_ctx): Remove fields
15602         combined_pre_p and combined_ctxp.  Update users.
15603         (get_formal_tmp_var): Add documentation.
15604         (gimple_boolify): Make extern.
15605         (gimplify_expr_in_ctx): Remove.  Update callers.
15606         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15607         will always be a BIND_EXPR.
15608         (gimplify_expr): Handle OMP_RETURN_EXPR.
15609         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15610         (OMP_PARALLEL): Add 3 operands.
15611         (OMP_SECTIONS): Add 1 operand.
15612         (OMP_RETURN_EXPR): Define.
15613
15614         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15615         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15616         * tree-iterator.c (alloc_stmt_list): Assert that we are not
15617         creating a circular free list.
15618         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15619
15620         * tree-flow.h (move_sese_region_to_fn): Declare.
15621         (record_vars_into): Declare.
15622         * tree-cfg.c (make_omp_sections_edges): New.
15623         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15624         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15625         OMP_SECTIONS and OMP_SECTION.
15626         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15627         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15628         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15629         (gather_blocks_in_sese_region): New.
15630         (struct move_stmt_d): Declare.
15631         (move_stmt_r): New.
15632         (move_block_to_fn): New.
15633         (move_sese_region_to_fn): New.
15634
15635         * passes.c (init_optimization_passes): Schedule
15636         pass_expand_omp after pass_init_datastructures.
15637
15638         * tree-ssa-operands.c (get_expr_operands): Handle
15639         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15640         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15641
15642 2006-01-19  Jeff Law  <law@redhat.com>
15643
15644         * tree-vrp.c (extract_range_from_assert): Refine the result range
15645         if the variable referenced by the ASSERT_EXPR has a range and
15646         either the tentative result range or the previous range is a
15647         VR_ANTI_RANGE.
15648
15649 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
15650
15651         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15652
15653 2006-01-19  Jan Hubicka  <jh@suse.cz>
15654
15655         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15656
15657 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
15658
15659         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15660         (expand_compound_operation, expand_field_assignment): Fail if the
15661         bit lengths of an extract operation are out of range.
15662         (make_extraction): Compute wanted_inner_mode based on the position
15663         and length of the extraction.  Make it extraction_mode for non-constant
15664         positions, and do not modify offset in that case.  When generating a
15665         new MEM, use a mode that can hold the extraction while keeping correct
15666         alignment.  Remove code that supported MEMs wrapped by USEs.
15667         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15668
15669 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
15670
15671         * config/s390/s390.md ("Y", "y"): New mode attribute.
15672         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15673         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15674         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15675         "*addsi3_imm_cc", "*addsi3_carry1_cc",
15676         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15677         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15678         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15679         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15680         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15681         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15682         "addsi3", "subsi3"): Insn patterns removed.
15683         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15684         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15685         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15686         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15687         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15688         "*sub<mode>3_cconly2"): New insn patterns.
15689         ("addsi3", "subsi3"): New expanders.
15690
15691 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
15692
15693         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15694         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15695         existing STMT_VINFO_VECTYPE if available.
15696         (vect_mark_relevant): Add special handling for stmts that are
15697         marked as STMT_VINFO_IN_PATTERN_P.
15698         (vect_analyze_loop): Call vect_pattern_recog.
15699         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15700         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15701         stmt_info.
15702         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15703         (vect_recog_func_ptr): New function-pointer type.
15704         * tree-vect-patterns.c: New file.
15705         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15706         (vect_recog_dot_prod_pattern, vect_pattern_recog):
15707         (vect_pattern_recog_1): New functions.
15708         (vect_pattern_recog_funcs): New array of function pointers.
15709
15710         * tree-vectorizer.h (ternary_op): New enum value.
15711         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15712         declaration. Revised documentation. Removed redundant dump prints.
15713         Removed redundant argument. Added support for reduction patterns.
15714         (vectorizable_reduction): Added support for reduction patterns.
15715         (vect_transform_stmt): Added support for patterns.
15716
15717         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15718         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15719         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15720         (expand_widen_pattern_expr): New function.
15721         (init_optabs): Initialize new optabs udot_prod_optab,
15722         sdot_prod_optab.
15723         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15724         (sdot_prod_optab, udot_prod_optab): Define new optabs.
15725         (expand_widen_pattern_expr): New function declaration.
15726         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15727         tree-codes.
15728         * tree-inline.c (estimate_num_insns_1): Added cases for new
15729         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15730         * tree-pretty-print.c (dump_generic_node): Likewise.
15731         (op_prio): Likewise.
15732         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15733         * tree-ssa-operands.c (get_expr_operands): Added case for
15734         DOT_PROD_EXPR.
15735         * tree-vect-patterns.c (widened_name_p): New function.
15736         (vect_recog_dot_prod_pattern): Added function implementation.
15737         * tree-vect-transform.c (get_initial_def_for_reduction): Added
15738         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15739         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15740         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15741
15742         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15743         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15744         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15745         (init_optabs): Initialize new optabs widen_ssum_optab,
15746         widen_usum_optab.
15747         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15748         (widen_ssum_optab, widen_usum_optab): Define new optabs.
15749         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15750         use instead of type of def.
15751         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15752         function implementation.
15753         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15754         widen_ssumv8hi): New.
15755
15756         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15757         patterns.
15758
15759 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
15760
15761         PR c/25805
15762         * c-decl.c (add_flexible_array_elts_to_size): New function.
15763         (finish_decl): Use it.
15764
15765 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15766
15767         * diagnostic.h: Include options.h.
15768         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15769         dependancies for diagnostic.h.
15770         * Makefile.in (DIAGNOSTIC_H): Add options.h.
15771
15772 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
15773
15774         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15775         (ssa_ro_call_cache_valid): Ditto.
15776         * tree-ssa-alias.c (sort_tags_by_id): New function.
15777         (init_transitive_clobber_worklist): Ditto.
15778         (add_to_worklist): Ditto.
15779         (mark_aliases_call_clobbered): Ditto.
15780         (compute_tag_properties): Ditto.
15781         (set_initial_properties): Ditto.
15782         (compute_call_clobbered): Ditto.
15783         (compute_may_aliases):  Call compute_call_clobbered and grouping.
15784         (compute_flow_sensitive_aliasing): Remove clobbering related code.
15785         (compute_flow_insensitive_aliasing): Grouping now happens in our
15786         caller.
15787         (setup_pointers_and_addressables): Remove clobbering related code.
15788         (add_may_alias): Ditto.
15789         (replace_may_alias): Ditto.
15790         (get_nmt_for): Ditto.
15791         (create_global_var):
15792         (is_escape_site): Return an escape_type enumeration.
15793         * tree-flow-inline.h (is_call_clobbered): Global var does not
15794         imply call clobbered.
15795         (mark_call_clobbered): Take a reason for marking this. Remove
15796         marking of globalness, and cache invalidation.
15797         (clear_call_clobbered): Remove cache invalidation code.
15798         * tree-dfa.c (dump_variable): If details is on, dump the reason
15799         for escaping.
15800         * tree-outof-ssa.c (create_temp): Copy escape mask from original
15801         variable.
15802         * tree-flow.h (struct ptr_info_def): Add escape mask member.
15803         (struct var_ann_d): Ditto.
15804         (enum escape_type): New.
15805         (mark_call_clobbered): Adjust prototype.
15806         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15807         are never call clobbered.
15808         Record reasons for escaping.
15809         * tree-ssa-structalias.h (is_escape_site): Update prototype.
15810         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15811         (ssa_ro_call_cache_valid): Ditto.
15812         (clobbered_v_may_defs): Ditto.
15813         (clobbered_vuses): Ditto.
15814         (ro_call_vuses): Ditto.
15815         (clobber_stats): New.
15816         (init_ssa_operands): Zero out clobber stats.
15817         (fini_ssa_operands): Print out clobber stats.
15818         (get_call_expr_operands): Pass callee fndecl to
15819         add_call_read_ops).
15820         (add_call_clobber_ops): Remove use of cache.
15821         Add use of PURE_CONST information.
15822         (add_call_read_ops): Remove use of cache.
15823         Add use of static not_read information.
15824
15825 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
15826
15827         Introduce TLS descriptors for i386 and x86_64.
15828         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15829         (TARGET_ANY_GNU_TLS): New macro.
15830         (enum tls_dialect): Added TLS_DIALECT_GNU2.
15831         (struct machine_function): Add tls_descriptor_call_expanded_p.
15832         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15833         (ix86_current_function_calls_tls_descriptor): Likewise.
15834         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15835         (override_options): Introduce gnu2 tls dialect.
15836         (ix86_frame_pointer_required): Functions containing TLSCALLs are
15837         not leaves.
15838         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15839         Likewise.
15840         (legitimize_tls_address): Adjust logic for GNU2 TLS.
15841         (ix86_init_machine_status): Initialize new field.
15842         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15843         (ix86_tls_module_base): New.
15844         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15845         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15846         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15847         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15848         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15849         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15850         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15851         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15852         * config/i386/predicates.md (tls_modbase_operand): New.
15853         (tp_or_register_operand): New.
15854
15855 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
15856
15857         * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15858         (look_for_address_of): Ditto.
15859         (ipa_init): Walk the function decls.
15860         (static_execute): Don't set readonly on FUNCTION_DECL's.
15861
15862 2006-01-18  Roger Sayle  <roger@eyesopen.com>
15863
15864         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15865         for shifts where the source and destination registers are different.
15866
15867 2006-01-18  Paul Brook  <paul@codesourcery.com>
15868
15869         Merge from csl-arm-branch.
15870         2005-03-14  Julian Brown  <julian@codesourcery.com>
15871         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15872         (aeabi_llsl): Likewise.
15873         (ashrdi3): Likewise.
15874         (aeabi_lasr): Likewise.
15875         (lshrdi3): Likewise.
15876         (aeabi_llsr): Likewise.
15877         2005-03-10  Julian Brown  <julian@codesourcery.com>
15878         * config.gcc: Disable shared libgcc for SymbianOS.
15879         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15880
15881 2006-01-18  DJ Delorie  <dj@redhat.com>
15882
15883         * c-pragma.c (handle_pragma_diagnostic): New.
15884         (init_pragma): Register it.
15885         * doc/extend.texi: Document it.
15886
15887         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15888         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15889         (diagnostic_context): Add classify_diagnostic[].
15890         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15891         as errors if they're overridden to DK_WARNING.
15892         (diagnostic_initialize): Initialize classify_diagnostic[].
15893         (diagnostic_set_kind_override): New.
15894         (diagnostic_report_diagnostic): Check for kind changes.
15895         * opts.c (common_handle_option): Take lang_mask.  Update callers.
15896         Handle OPT_Werror_.
15897         * common.opt (Werror=): New.
15898         * doc/invoke.texi: Document -Werror=*
15899
15900 2006-01-18  Jeff Law  <law@redhat.com>
15901
15902         * tree-vrp.c (test_for_singularity): Correct test for new
15903         min limit.  Use operand_equal_p rather than pointer equality
15904         for testing if new min/max values are equal.
15905
15906         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15907         using range information until after propagation and folding.
15908
15909 2006-01-18  Richard Henderson  <rth@redhat.com>
15910             Aldy Hernandez  <aldyh@redhat.com>
15911             Jakub Jelinek  <jakub@redhat.com>
15912             Diego Novillo  <dnovillo@redhat.com>
15913
15914         * omp-low.c: New file.
15915         * c-omp.c: New file.
15916
15917 2006-01-18  Richard Henderson  <rth@redhat.com>
15918             Jakub Jelinek  <jakub@redhat.com>
15919             Diego Novillo  <dnovillo@redhat.com>
15920
15921         * doc/invoke.texi: Document -fopenmp.
15922         * tree-dump.h (debug_function): Declare.
15923         * hooks.c (hook_bool_tree_bool_false): New function.
15924         (hook_tree_tree_null): Remove.
15925         (hook_tree_tree_tree_null): New.
15926         * hooks.h: Update to match.
15927         * tree-pretty-print.c (debug_tree_chain): New.
15928         (print_generic_expr): Handle TDF_CHAIN.
15929         (dump_generic_node): Handle BLOCK.
15930         Do not abort with incomplete SWITCH_EXPRs.
15931         Do not dump body of an OpenMP directive if TDF_SLIM is given.
15932         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15933         print space after directive name.
15934         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15935         Handle OMP_MASTER and OMP_ORDERED.
15936         Handle printing of OMP_BODY just in one place, goto
15937         dump_omp_body in the rest of OMP_* nodes that have
15938         OMP_BODY.
15939         Don't handle clause nodes here.  Update omp statements to
15940         use dump_omp_clauses.
15941         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15942         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15943         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15944         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15945         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15946         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15947         Adjust output for GOMP_PARALLEL.
15948         (dump_omp_clauses): New.
15949         (print_declaration): Dump DECL_VALUE_EXPR.
15950         (op_symbol_1): Split out of op_symbol.
15951         (dumping_stmts): Remove.  Update all users.
15952         * cgraph.c (cgraph_analyze_queue): New.
15953         (cgraph_add_new_function): New.
15954         * cgraph.h (cgraph_analyze_queue): Declare.
15955         (cgraph_add_new_function): Declare.
15956         (cgraph_lower_function): Remove.
15957         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15958         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15959         and TYPE_P nodes in its default clause.
15960         (empty_body_p): New.
15961         (tree_range_check_failed): New.
15962         (build5_stat): New.
15963         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15964         OMP_CLAUSE_REDUCTION_MERGE,
15965         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15966         OMP_CLAUSE_PRIVATE_DEBUG,
15967         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15968         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15969         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15970         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15971         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15972         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15973         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15974         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15975         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15976         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15977         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15978         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15979         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15980         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15981         (TREE_RANGE_CHECK): New.
15982         (empty_body_p): Declare.
15983         (enum omp_clause_default_kind): New.
15984         (build_string_literal): Declare.
15985         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15986         (build5_stat, build5): Declare.
15987         * tree-pass.h (TDF_CHAIN): Define.
15988         * tree-pass.h (PROP_gimple_lomp): Define.
15989         (pass_lower_omp): Declare.
15990         * diagnostic.h (debug_tree_chain): Declare.
15991         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15992         mode_for_size.
15993         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15994         * builtins.c (build_string_literal): Make extern.
15995         * gcc.c (include_spec_function): New.
15996         (static_spec_functions): Add it.
15997         (main): Move load of libgomp.spec ...
15998         (LINK_COMMAND_SPEC): ... here.
15999         (link_gomp_spec): New.
16000         (static_specs): Include it.
16001         (LINK_COMMAND_SPEC): Add link_gomp.
16002         (GOMP_SELF_SPECS): New.
16003         (driver_self_specs): Include it.
16004         (switch_matches): Don't mark inline.
16005         (main): Load libgomp.spec.
16006         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16007         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16008         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16009         * tree-gimple.h (enum omp_parallel): Declare.
16010         (determine_parallel_type): Declare.
16011         (omp_firstprivatize_variable): Declare.
16012         (omp_reduction_init): Declare.
16013         (diagnose_omp_structured_block_errors): Declare.
16014         (struct walk_stmt_info): Add want_return_expr.
16015         (struct walk_stmt_info): Add want_bind_expr, want_locations.
16016         (find_omp_clause): Declare.
16017         (insert_field_into_struct): Declare.
16018         (struct walk_stmt_info): Move from tree-nested.c
16019         (walk_stmts): Declare.
16020         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16021         to 200505.
16022         * cgraphunit.c (cgraph_lower_function): Make static.
16023         (cgraph_finalize_pending_functions): New.
16024         (cgraph_finalize_function): Call it.
16025         (cgraph_finalize_compilation_unit): Likewise.
16026         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16027         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16028         (BT_FN_UINT_UINT): New.
16029         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16030         DEF_FUNCTION_TYPE_VAR_4): Document.
16031         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16032         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16033         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16034         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16035         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16036         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16037         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16038         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16039         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16040         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16041         into separate files.
16042         (DEF_GOMP_BUILTIN): New.
16043         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16044         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16045         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16046         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16047         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16048         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16049         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16050         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16051         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16052         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16053         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16054         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16055         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16056         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16057         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16058         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16059         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16060         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16061         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16062         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16063         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16064         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16065         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16066         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16067         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16068         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16069         * sync-builtins.def: New file, moved from builtins.def.
16070         * omp-builtins.def: New file, moved from builtins.def.
16071         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16072         * gimple-low.c (lower_function_body): Clear data.
16073         (lower_stmt): Do not handle COMPOUND_EXPR.
16074         Remove call to print_node_brief.
16075         * c-tree.h (c_finish_omp_clauses): New prototype.
16076         (C_DECL_THREADPRIVATE_P): Define.
16077         (lookup_name_no_remap, c_omp_remap_private): Remove
16078         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16079         (check_for_loop_decls): Update decl.
16080         (lookup_name_no_remap, c_omp_remap_private): Declare.
16081         (build_indirect_ref, build_modify_expr, pushdecl,
16082         pushdecl_top_level): Move to c-common.h.
16083         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16084         before the switch, but just in the 2 places that need it.
16085         * c-decl.c (diagnose_mismatched_decls): Do not check for
16086         mismatched thread-local attributes when OLDDECL is marked
16087         threadprivate and NEWDECL has no thread-local attributes.
16088         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16089         (c_gimple_diagnostics_recursively): Rename from
16090         c_warn_unused_result_recursively.  Invoke
16091         diagnose_omp_structured_block_errors.
16092         (check_for_loop_decls): Return a singular decl found.
16093         * langhooks.c (lhd_omp_predetermined_sharing): Return
16094         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16095         (lhd_omp_firstprivatize_type_sizes): New.
16096         (lhd_omp_assignment): New.
16097         (lhd_omp_predetermined_sharing): New.
16098         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16099         (struct lang_hooks_for_types): Add
16100         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16101         omp_predetermined_sharing, omp_disregard_value_expr,
16102         omp_private_debug_clause, omp_clause_default_ctor,
16103         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16104         (c_finish_omp_clauses): New.
16105         (c_finish_bc_stmt): Diagnose break within omp for.
16106         (c_begin_omp_parallel, c_finish_omp_parallel): New.
16107         (build_unary_op): Return error_mark after reporting
16108         a readonly_error.
16109         (build_modify_expr): Likewise.
16110         * gimplify.c: Include optabs.h and pointer-set.h.
16111         (enum gimplify_omp_var_data): Declare.
16112         (struct gimplify_omp_ctx): Declare.
16113         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16114         and combined_ctxp.
16115         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16116         (push_gimplify_context, pop_gimplify_context): Allow nesting.
16117         (splay_tree_compare_decl_uid): New.
16118         (new_omp_context): New.
16119         (delete_omp_context): New.
16120         (gimple_add_tmp_var): Call omp_add_variable.
16121         (gimplify_bind_expr): Likewise.
16122         (gimplify_var_or_parm_decl): If omp_notice_variable returned
16123         true, disregard DECL_VALUE_EXPR on the decl if any.
16124         (gimplify_expr_in_ctx): New.
16125         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16126         omp_add_variable, omp_notice_variable, omp_is_private
16127         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16128         gimplify_adjust_omp_clauses, gimplify_omp_parallel
16129         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16130         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16131         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16132         gimplify_omp_atomic): New.
16133         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16134         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16135         OMP_CRITICAL and OMP_ATOMIC.
16136         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16137         * c-pragma.h (enum pragma_kind): Add
16138         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16139         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16140         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16141         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16142         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16143         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16144         PRAGMA_OMP_THREADPRIVATE.
16145         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16146         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16147         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16148         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16149         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16150         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16151         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16152         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16153         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16154         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16155         * tree-ssa-dce.c (find_control_dependence): Do not assume that
16156         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16157         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16158         OpenMP directives.
16159         (struct nesting_info): Add field_map,
16160         suppress_expansion, debug_var_chain.
16161         (create_nesting_tree): Initialize them.
16162         (lookup_field_for_decl): Use field_map.
16163         (get_nonlocal_debug_decl, get_local_debug_decl): New.
16164         (convert_local_omp_clauses): New.
16165         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16166         (walk_body): Split out of walk_function.
16167         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16168         (convert_nonlocal_reference): Handle omp statements.
16169         (convert_local_reference): Likewise.
16170         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16171         (unnest_nesting_tree): New.
16172         (lower_nested_functions): Call it.
16173         (insert_field_into_struct): Make extern.
16174         (struct walk_stmt_info): Move to tree-gimple.h.
16175         (walk_stmts): Make extern.
16176         * omp-builtins.def: New file.
16177         * tree-iterator.c (expr_only): Clarify comment.
16178         * c-common.h (pushdecl_top_level, pushdecl,
16179         build_modify_expr, build_indirect_ref,
16180         c_finish_omp_master, c_finish_omp_critical,
16181         c_finish_omp_ordered, c_finish_omp_barrier,
16182         c_finish_omp_atomic, c_finish_omp_flush,
16183         c_finish_omp_for, c_split_parallel_clauses,
16184         omp_clause_default_kind, c_omp_sharing_predetermined,
16185         c_omp_remap_decl): Declare.
16186         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16187         (OBJS-common): Add omp-low.o.
16188         (c-omp.o, omp-low.o): Add.
16189         (gimplify.o): Add dependency on $(OPTABS_H).
16190         (GTFILES): Add omp-low.c.
16191         (gt-stringpool.h): Add.
16192         * tree-cfg.c (set_bb_for_stmt): Do not update the
16193         block-to-labels map if we are currently expanding to RTL.
16194         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16195         checks.
16196         Handle IDENTIFIER_NODE.
16197         (tree_verify_flow_info): Do not ICE when emitting error
16198         messages about invalid labels.
16199         (dump_function_to_file): Reset CFUN before emitting the body
16200         of the function.
16201         (debug_function): New.
16202         * passes.c (init_optimization_passes): Schedule
16203         pass_lower_omp.
16204         * langhooks-def.h (lhd_omp_predetermined_sharing,
16205         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16206         Declare.
16207         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16208         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16209         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16210         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16211         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16212         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16213         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16214         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16215         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16216         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16217         (LANG_HOOK_DECLS): Use them.
16218
16219 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16220             Richard Henderson  <rth@redhat.com>
16221             Jakub Jelinek  <jakub@redhat.com>
16222             Diego Novillo  <dnovillo@redhat.com>
16223
16224         * c-parser.c (pragma_omp_clause): Define.
16225         (c_parser_declaration_or_fndef): Document OpenMP syntax.
16226         (c_parser_compound_statement): Likewise.
16227         (c_parser_statement): Likewise.
16228         (c_parser_pragma): Handle omp pragmas.
16229         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16230         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16231         (c_parser_omp_clause_name, check_no_duplicate_clause,
16232         c_parser_omp_variable_list,
16233         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16234         c_parser_omp_clause_copyprivate,
16235         c_parser_omp_clause_default,
16236         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16237         c_parser_omp_clause_lastprivate,
16238         c_parser_omp_clause_nowait,
16239         c_parser_omp_clause_num_threads,
16240         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16241         c_parser_omp_clause_reduction,
16242         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16243         c_parser_omp_all_clauses, c_parser_omp_structured_block,
16244         c_parser_omp_atomic, c_parser_omp_barrier,
16245         c_parser_omp_critical, c_parser_omp_flush,
16246         c_parser_omp_for_loop, c_parser_omp_for,
16247         c_parser_omp_master, c_parser_omp_ordered,
16248         c_parser_omp_sections_scope, c_parser_omp_sections,
16249         c_parser_omp_parallel, c_parser_omp_single,
16250         c_parser_omp_construct, c_parser_omp_threadprivate): New.
16251         * c-pragma.c (init_pragma): Do omp pragma registration here.
16252         * c.opt (fopenmp): New flag.
16253
16254 2006-01-18  Eric Christopher  <echristo@apple.com>
16255
16256         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16257         * config/darwin.h (GOMP_SELF_SPECS): Define.
16258
16259 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16260
16261         * rtl.h: Remove the prototype for reg_alloc.
16262
16263 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16264
16265         PR target/25731
16266         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16267         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16268         sjlj and dwarf2 exception handling.
16269         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16270         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16271         * pa/pa.c (function_value): Treat complex and vector types as
16272         aggregates.
16273         (function_arg): Likewise.  Only pass scalar floats in the floating
16274         point argument registers.
16275         * pa/t-slibgcc-dwarf-ver: New file.
16276         * pa/t-slibgcc-sjlj-ver: New file.
16277         * pa/t-slibgcc-elf-ver: Delete file.
16278
16279 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
16280
16281         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16282         unlikely_test_section_p test.
16283
16284 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16285
16286         * mode-switching.c (optimize_mode_switching): Make it static.
16287         * basic-block.h: Remove the prototype for
16288         optimize_mode_switching.
16289
16290         * modulo-sched.c (sms_schedule): Make it static.
16291         * rtl.h: Remove the prototype for sms_schedule.
16292
16293         * postreload-gcse.c (gcse_after_reload_main): Make it static.
16294         * rtl.h: Remove the prototype for gcse_after_reload_main.
16295
16296         * reg-stack.c (reg_to_stack): Make it static.
16297         * rtl.h: Remove the prototype for reg_to_stack.
16298
16299         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16300         Make them static.
16301         * rtl.h: Remove the prototypes for regrename_optimize and
16302         copyprop_hardreg_forward.
16303
16304 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
16305
16306         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16307         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
16308         Test against the appropriate null constant for the mode.
16309         If 'fixup_overlap' is true, swap the operands if they overlap.
16310         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16311         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16312         alpha_split_tmode_pair and adjust for above change.
16313         * config/alpha/alpha.md (movtf_internal): Adjust call to
16314         alpha_split_tfmode_pair and rely on it to swap the operands.
16315         (movti_internal): New insn and post-reload splitter.
16316         (movti): New expander.
16317
16318 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
16319
16320         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16321         operands.
16322
16323 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16324
16325         * rtlanal.c (global_reg_mentioned_p_1,
16326         global_reg_mentioned_p): Remove.
16327         * rtl.h: Remove the prototype for global_reg_mentioned_p.
16328
16329         * flow.c (initialize_uninitialized_subregs): Make it static.
16330         * rtl.h: Remove the prototype for
16331         initialize_uninitialized_subregs.
16332
16333         * function.c (instantiate_virtual_regs): Make it static.
16334         * function.h: Remove the prototype for
16335         instantiate_virtual_regs.
16336
16337         * regmove.c (regmove_optimize, combine_stack_adjustments):
16338         Make them static.
16339         * rtl.h: Remove the prototypes for regmove_optimize and
16340         combine_stack_adjustments.
16341
16342 2006-01-17  Roger Sayle  <roger@eyesopen.com>
16343
16344         * config/i386/i386.c (COSTS_N_BYTES): New macro.
16345         (size_cost): Encode costs in bytes so that a reg-reg addition is
16346         equivalent to COSTS_N_INSNS(1).
16347         (override_options): Use the size_cost.branch_cost as the default
16348         ix86_branch_cost when optimizing for size.
16349
16350 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16351
16352         * Makefile.in (D32PBIT_FUNCS): New.
16353         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16354         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16355         D64PBIT_FUNCS and D128PBIT_FUNCS.
16356         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16357         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16358         D128PBIT are set.
16359         (decnumber_dep): Define.
16360         * doc/libgcc.texi (Decimal float library routines): New node.
16361         * config/dfp-bit.h, config/dfp-bit.c: New files.
16362
16363 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16364
16365         * expr.c (emit_move_change_mode): Always adjust addresses, not
16366         just during reload.  Copy replacements only during reload.
16367         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16368         emit_move_via_integer.
16369
16370 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
16371
16372         * Makefile.in (check-%, check-consistency): Use $${srcdir}
16373         instead of $(srcdir) and ${srcdir}.
16374
16375 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
16376
16377         PR target/592
16378         PR middle-end/11135
16379         * arm.h (struct machine_function): Add pic_reg.
16380         * arm.c (arm_pic_register): Make unsigned.
16381         (arm_override_options): Only set arm_pic_register if
16382         TARGET_SINGLE_PIC_BASE.
16383         (use_return_insn): Only test for a pic register if it is fixed.
16384         (arm_compute_save_reg0_reg12_mask): Likewise.
16385         (thumb_compute_save_reg_mask): Likewise.
16386         (legitimate_pic_operand): Factor out some known invariants.
16387         (legitimize_pic_address): If we don't have a fixed pic register,
16388         then set up a pseudo in the function entry sequence.  Handle the
16389         pic base being in a pseudo.
16390         (arm_load_pic_register): Handle the pic register being in a pseudo.
16391         (arm_expand_prologue): Only set up the pic register if it is fixed.
16392         (thumb_expand_prologue): Likewise.
16393         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16394         (pic_load_addr_based_insn): Likewise.
16395         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16396         fixed.
16397
16398 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16399
16400         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16401         decimal float modes for all floating point registers.
16402
16403         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16404         match_code "mem" with match_test "macho_lo_sum_memory_operand".
16405
16406 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
16407
16408         PR c/25682
16409         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16410         even when the pointer is not NULL.
16411
16412 2006-01-16  Ian Lance Taylor  <ian@airs.com>
16413
16414         * common.opt (ftoplevel-reorder): New option.
16415         * cgraph.c (cgraph_asm_nodes): New global variable.
16416         (cgraph_asm_last_node): New static variable.
16417         (cgraph_order): New global variable.
16418         (cgraph_create_node): Set new order field.
16419         (cgraph_varpool_node): Likewise.
16420         (decide_is_variable_needed): Return true if not
16421         flag_toplevel_reorder.
16422         (cgraph_add_asm_node): New function.
16423         * cgraph.h (struct cgraph_node): Add order field.
16424         (struct cgraph_varpool_node): Add order field.
16425         (struct cgraph_asm_node): Define.
16426         (cgraph_asm_nodes, cgraph_order): Declare.
16427         (cgraph_add_asm_node): Declare.
16428         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16429         function.
16430         (cgraph_varpool_assemble_pending_decls): Call it.
16431         (cgraph_output_pending_asms): New static function.
16432         (cgraph_finalize_compilation_unit): Call it.
16433         (struct cgraph_order_sort): Define.
16434         (cgraph_output_in_order): New static function.
16435         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
16436         !flag_toplevel_reorder case.
16437         * c-parser.c: Include "cgraph.h".
16438         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16439         assemble_asm.
16440         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16441         than -fno-unit-at-a-time.
16442         * doc/invoke.texi (Option Summary): Mention
16443         -fno-toplevel-reorder.
16444         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
16445         -funit-at-a-time documentation.
16446
16447 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
16448             Kazu Hirata  <kazu@codesourcery.com>
16449
16450         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16451
16452 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
16453
16454         * Makefile.in (FUNCTION_H): New.  Use it instead of
16455         function.h throughout the file.
16456         * function.h: Include tree.h.
16457
16458 2006-01-17  Ben Elliston  <bje@au.ibm.com>
16459
16460         * recog.c: Separate some functions with whitespace.
16461
16462 2006-01-16  Richard Henderson  <rth@redhat.com>
16463
16464         Merge from gomp branch:
16465         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
16466         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16467         and rename from struct inline_data.  Rename callee* to dst*;
16468         caller* to src*; add copy_decl hook, transform_call_graph_edges,
16469         transform_new_cfg, transform_return_to_modify, and
16470         transform_lang_insert_block flags; remove cloning_p, versioning_p,
16471         update_clones_p.
16472         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16473         (copy_decl_for_dup): Remove.
16474         * tree-inline.c (struct inline_data): Move to header.
16475         (insert_decl_map): Export.
16476         (remap_decl): Update for member name changes.  Use copy_decl hook.
16477         Allow for replacement to be a non-decl.  Remove dead code.
16478         (remap_type_1): Check for existing mapping.
16479         (remap_type): Export.
16480         (remap_decls): Update for member name changes.
16481         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16482         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16483         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16484         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16485         (tree_function_versioning, build_duplicate_type): Likewise.
16486         (copy_body_r): Likewise.  Export.
16487         (copy_decl_for_dup): Split into ...
16488         (copy_decl_for_dup_finish, copy_decl_to_var,
16489         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16490         (replace_ref_tree, inlining_p): Remove.
16491
16492 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16493
16494         * ifcvt.c (if_convert): Make it static.
16495         * rtl.h: Remove the prototype for if_convert.
16496
16497         * local-alloc.c (local_alloc): Make it static.
16498         * rtl.h: Remove the prototype for local_alloc.
16499
16500         * loop.c (loop_optimize): Make it static.
16501         * cfgloop.h: Remove the prototype for loop_optimize.
16502         * rtl.h: Likewise.
16503
16504 2006-01-16  DJ Delorie  <dj@redhat.com>
16505
16506         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16507         mems.
16508
16509 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16510
16511         * pa.md: Disparage copies between general and floating-point registers
16512         in 32-bit move patterns.
16513
16514 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
16515
16516         PR testsuite/25741
16517         * Makefile.in (check-%): Depend on site.exp instead of
16518         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16519         directories.
16520
16521 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16522
16523         * global.c (global_alloc): Make it static.
16524         * rtl.h: Remove the prototype for global_alloc.
16525
16526 2006-01-16  Richard Guenther  <rguenther@suse.de>
16527
16528         * tree-ssa-alias.c (struct used_part): Add write_only field.
16529         (get_or_create_used_part_for): Initialize it to true.
16530         (create_overlap_variables_for): Don't create structure variables
16531         for structures that only are written to.
16532         (find_used_portions): Handle MODIFY_EXPR to track whether a
16533         structure is only written to.
16534
16535 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16536
16537         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16538         static.
16539         * basic-block.h: Remove the prototype for
16540         partition_hot_cold_basic_blocks.
16541
16542 2006-01-16  Rafael Ãvila de EspÃï¿½ndola <rafael.espindola@gmail.com>
16543
16544         * cppspec.c (lang_specific_spec_functions): Remove.
16545         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16546         * gcc.h (lang_specific_spec_functions): Remove.
16547         * gccspec.c (lang_specific_spec_functions): Remove.
16548
16549 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
16550
16551         * combine.c (record_value_for_reg): Invalidate registers
16552         if INSN is null.
16553         (record_dead_and_set_regs_1): Likewise, by passing them to
16554         record_value_for_reg.
16555         (record_dead_and_set_regs): Invalidate stores made by a
16556         call.  We do not combine across a call, but we still
16557         relied on equivalences.
16558
16559 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
16560
16561         * tree-vrp.c (extract_range_from_binary_expr): Cope with
16562         vrp_int_const_binop returning non-constant nodes.
16563
16564 2006-01-16  Paul Brook  <paul@codesourcery.com>
16565
16566         * config/m68k/m68k.c (output_move_const_into_data_reg):
16567         Output correct mnemonic for mvz and mvs.
16568
16569 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
16570
16571         * rtl-factoring.c: Add sequence abstraction algorithm.
16572         * cfgcleanup.c (outgoing_edges_match): Extra checks.
16573         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16574         ABNORMAL edges.
16575         (block_has_preserve_label): New function.
16576         * common.opt: Register new pass.
16577         * Makefile.in: Ditto.
16578         * passes.c: Ditto.
16579         * timevar.def: Ditto.
16580         * tree-pass.h: Ditto.
16581         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16582         * rtl.h (make_jump_insn_raw): Add forward decl.
16583         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16584
16585 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
16586             Roger Sayle  <roger@eyesopen.com>
16587
16588         * fold-const.c (fold_minmax): New static function.
16589         (fold_binary) <MIN_EXPR>: Call it.
16590         <MAX_EXPR>: Likewise.
16591         * stor-layout.c (place_field): Use DECL_SIZE consistently
16592         in the computation of the new record size.
16593
16594 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16595
16596         * cse.c (cse_condition_code_reg): Make it static.
16597         * rtl.h: Remove the prototype for cse_condition_code_reg.
16598
16599         * combine.c (combine_instructions): Make it static.
16600         * rtl.h: Remove the prototype for combine_instructions.
16601
16602 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16603
16604         PR target/25168
16605         * tree.c (get_file_function_name_long): Concatenate the first global
16606         object name with a string derived from the input filename of the object
16607         for type "F".
16608
16609 2006-01-16  Ben Elliston  <bje@au.ibm.com>
16610
16611         * config/i386/winnt-stubs.c: Update FSF address.
16612         * config/xtensa/ieee754-df.S: Ditto.
16613         * config/xtensa/ieee754-sf.S: Ditto.
16614
16615 2006-01-14  Ian Lance Taylor  <ian@airs.com>
16616
16617         * ifcvt.c (noce_init_if_info): New static function, broken out of
16618         noce_process_if_block.
16619         (noce_process_if_block): Call noce_init_if_info.
16620         (check_cond_move_block): New static function.
16621         (cond_move_process_if_block): New static function.
16622         (process_if_block): Call cond_move_process_if_block.
16623
16624 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
16625
16626         * cselib.c (hash_table): Rename to cselib_hash_table.
16627         (cselib_clear_table, discard_useless_values,
16628         remove_useless_values, cselib_lookup_mem, cselib_lookup,
16629         cselib_init, cselib_finish): Adjust uses of hash_table.
16630
16631 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
16632
16633         PR tree-optimization/25485
16634         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16635         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16636         is known to be false and true, respectively.
16637
16638 2006-01-14  Richard Guenther  <rguenther@suse.de>
16639
16640         PR tree-optimization/22548
16641         PR tree-optimization/22555
16642         PR tree-optimization/22501
16643         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16644         * params.def (salias-max-array-elements): New parameter.
16645         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16646         * doc/invoke.texi (salias-max-array-elements): Document.
16647         * tree-flow-inline.h (var_can_have_subvars): We also handle
16648         arrays now.
16649         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16650         COMPONENT_REF.
16651         * tree-ssa-structalias.c (params.h): Include.
16652         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16653         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16654         (get_constraint_for): For ADDR_EXPR operating on something
16655         containing an ARRAY_REF, add all subvars to the solution.
16656         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16657         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16658         for creating MUST_DEFs.
16659         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16660
16661 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
16662
16663         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16664         functions.
16665         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16666         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16667         number_of_iterations_le): New functions.
16668         (number_of_iterations_special): Removed.
16669         (number_of_iterations_exit): Do not use number_of_iterations_special.
16670         * tree.c (unsigned_type_for): Always return integer type.
16671
16672 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
16673         Richard Guenther  <rguenther@suse.de>
16674
16675         PR rtl-optimization/24257
16676         * gcse.c (find_moveable_store): Only consider a store movable
16677         when the SET_SRC of the insn can be assigned to a register.
16678
16679 2006-01-14  Ian Lance Taylor  <ian@airs.com>
16680
16681         * tree.c (tree_not_class_check_failed): New function.
16682         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16683         (tree_not_class_check_failed): Declare.
16684
16685 2006-01-13  Ian Lance Taylor  <ian@airs.com>
16686
16687         * reload1.c (do_output_reload): Add assertion rejecting a
16688         CALL_INSN.
16689
16690 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
16691
16692         * combine.c (struct reg_stat): Add new fields truncation_label and
16693         truncated_to_mode.
16694         (record_value_for_reg): Reset truncated_to_mode.
16695         (record_truncated_value): New function.
16696         (check_promoted_subreg): Call it.  Rename to check_conversions.
16697         (combine_instructions): Rename check_promoted_subreg to
16698         check_conversions.
16699         (reg_truncated_to_mode): New function.
16700         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
16701         (gen_lowpart_or_truncate): New function.
16702         (force_to_mode): Use it instead of gen_lowpart.
16703
16704 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
16705
16706         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
16707         VAR is a tag, not its type tag.
16708
16709 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
16710
16711         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16712         alternatives to match style of other entries.
16713         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
16714
16715 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
16716
16717         PR tree-optimization/25771
16718         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16719         SSA_NAMES.
16720
16721 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
16722
16723         PR tree-opt/24365
16724         * tree-inline.c (declare_return_variable): If the return variable
16725         was marked as a non gimple complex, set the return slot variable
16726         to be a non gimple comple variable.
16727
16728 2006-01-13  Richard Guenther  <rguenther@suse.de>
16729
16730         * builtins.c (expand_builtin_sincos): New function.
16731         (expand_builtin_mathfn_3): Remove dead code, sin and cos
16732         do not set errno.
16733         (expand_builtin): Expand sincos using expand_builtin_sincos.
16734
16735 2006-01-12  DJ Delorie  <dj@redhat.com>
16736
16737         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16738         shift counts, separate SI shifts for m32c vs m16c, pass shift type
16739         so that constant shifts can be split.
16740         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16741         (m32c_valid_pointer_mode): Make static.
16742         (shift_gen_func_for): New.
16743         (m32c_prepare_shift): Use it.  Split large const shifts into
16744         multiple shifts.
16745         * config/m32c/predicates.md (shiftcount_operand): Allow more
16746         general operands.
16747         (longshiftcount_operand): New.
16748         * doc/md.texi (Machine Constraints): Document In6.
16749
16750 2006-01-13  Ben Elliston  <bje@au.ibm.com>
16751
16752         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16753         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16754         documentation.
16755
16756 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
16757
16758         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16759         to try to avoid clobbering pieces of structures when we know
16760         something about the whole structure.
16761         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16762
16763 2006-01-13  Ben Elliston  <bje@au.ibm.com>
16764
16765         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16766         return in memory, as this is no limitation is no longer present.
16767
16768 2006-01-12  DJ Delorie  <dj@redhat.com>
16769
16770         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16771         mova with fb, and for fb+0 -> An.
16772
16773         * config/m32c/mov.md (peephole2): Fix enabling logic.
16774
16775         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16776         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16777         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16778         FINI_ARRAY_SECTION_ASM_OP): Define.
16779
16780         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16781         variable.
16782         (m32c_legitimize_reload_address): New logic to reload FB to An.
16783         (m32c_output_reg_push): Add newline.
16784         (m32c_output_reg_pop): Likewise.
16785
16786 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
16787
16788         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16789
16790 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
16791
16792         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16793
16794 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16795
16796         * config/sh/predicates.md (sh_rep_vec): Add parallel to
16797         match_code.
16798
16799 2006-01-11  Ben Elliston  <bje@au.ibm.com>
16800
16801         * rtlanal.c (find_reg_note): Assert insn is not null.
16802
16803 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
16804
16805         * df-scan.c (df_hard_reg_init): Move declaration of i outside
16806         ifdef.
16807
16808 2006-01-11  Jeff Law  <law@redhat.com>
16809
16810         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16811         hold edge pairs.
16812         (mark_threaded_blocks, register_jump_thread): New functions.
16813         (thread_through_all_blocks): Remove unwanted argument.  No
16814         longer rely on e->aux to communicate thread target info.
16815         Call mark_threaded_blocks.  Release the threaded_blocks
16816         bitmap and threaded_edges vector when complete.
16817         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16818         (threaded_blocks): Remove.
16819         (tree_ssa_dominator_optimize): Remove initialization and
16820         finalization of threaded_blocks.  Simplify call to
16821         thread_through_all_blocks.
16822         (thread_across_edge): Call register_jump_thread rather than
16823         storing thread information into e->aux.
16824         (free_all_edge_infos): Simplify now that e->aux is no longer
16825         used to communicate with thread_through_all_blocks.
16826         * tree-flow.h (thread_through_all_blocks): Update prototype.
16827         (register_jump_thread): Prototype.
16828
16829 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16830
16831         * df-core.c (df_compact_blocks, df_bb_replace): Use
16832         SET_BASIC_BLOCK instead of BASIC_BLOCK.
16833
16834 2006-01-11  Richard Guenther  <rguenther@suse.de>
16835
16836         PR tree-optimization/25734
16837         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16838         stop propagation after successful propagation to the LHS.
16839
16840 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16841
16842         * basic-block.h (control_flow_graph): Change the type of
16843         x_basic_block_info to VEC(basic_block,gc) *.
16844         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16845         basic_block_info.
16846         (SET_BASIC_BLOCK): New.
16847         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16848         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16849         * cfgbuild.c (find_basic_blocks): Likewise.
16850         * cfglayout.c (fixup_reorder_chain): Likewise.
16851         * cfgrtl.c (create_basic_block_structure,
16852         rtl_create_basic_block): Likewise.
16853         * ifcvt.c (find_if_case_1): Likewise.
16854         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16855         Likewise.
16856
16857 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
16858
16859         * Makefile.in: Removed rotted odf.c entry.
16860
16861 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
16862
16863         PR target/25706
16864         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16865         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16866         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16867         output pattern modifier, not %e.
16868         * config/cris/cris.c (cris_op_str): Update comment about pattern
16869         modifier.
16870         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16871         before falling through into...
16872         <case 'E'>: Redefined from old 'e' case.
16873
16874 2006-01-11  Jan Hubicka  <jh@suse.cz>
16875
16876         PR target/25042
16877         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16878
16879 2006-01-11  Jan Hubicka  <jh@suse.cz>
16880
16881         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16882         * i386.c (x86_decompose_lea): Kill.
16883         (ix86_rtx_costs): Kill.
16884
16885 2006-01-11  Jan Hubicka  <jh@suse.cz>
16886
16887         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16888         * cgraph.h (cgraph_node): Add inline_decl.
16889         (cgraph_insert_node_to_hashtable): Declare.
16890         (save_inline_function_body): Declare.
16891         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16892         clones.
16893         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16894         (cgraph_function_versioning): Update call of tree_function_versioning.
16895         (save_inline_function_body): New function.
16896         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16897         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16898         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16899         (cgraph_default_inline_p): Likewise.
16900         (cgraph_decide_inlining_incrementally): Likewise.
16901         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16902         (copy_bb): Kill saving; do updating of clones.
16903         (copy_cfg_body): Kill saving.
16904         (initialize_inlined-parameters): Likewise.
16905         (expand_call_inline): Likewise.
16906         (save_body): Kill.
16907         (tree_function_versioning): New parameter "update_clones".
16908         (inlining_p): Kill saving.
16909         * tree-inline.h (tree_function_versioning): Update prototype.
16910         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16911         saving.
16912
16913 2006-01-11  Ian Lance Taylor <ian@airs.com>
16914
16915         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
16916         Allow undoing set of machine mode.
16917         (do_SUBST): Use enums instead of is_int.
16918         (do_SUBST_MODE): New function.
16919         (SUBST_MODE): New macro.
16920         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16921         reg and trying to replace reg_regno_rtx with a new register.
16922         (undo_all): Use new enums, handle undoing a PUT_MODE change.
16923         (simplify_set): Use SUBST_MODE.
16924         (distribute_notes): Remove code that tried to update reg notes
16925         for regno_reg_rtx changes.
16926
16927 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
16928
16929         PR tree-optimization/23109
16930         PR tree-optimization/23948
16931         PR tree-optimization/24123
16932
16933         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16934         * tree-cfg.c (single_noncomplex_succ): New.
16935         * tree-flow.h (single_noncomplex_succ): Declare it.
16936         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16937         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16938         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16939         insert_bb, register_division_in, insert_reciprocals,
16940         replace_reciprocal, free_bb): New.
16941         (execute_cse_reciprocals_1): Rewritten.
16942         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16943         Do not commit any edge insertion.  Always compute dominators and
16944         create the allocation pool.
16945         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16946         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16947         * targhooks.c (default_min_divistions_for_recip_mul): New.
16948         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16949         * passes.c (init_optimization_passes): Run recip after tree loop
16950         optimizations.
16951         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16952
16953 2006-01-11  Danny Berlin <dberlin@dberlin.org>
16954             Kenneth Zadeck <zadeck@naturalbridge.com>
16955
16956         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16957         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16958         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16959         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16960         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16961         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16962         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16963         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16964         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16965         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16966         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16967         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16968         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16969         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16970         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16971         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16972         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16973         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16974         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16975         DF_SCAN_POST_ALLOC): New macros.
16976         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16977         df_free_bb_function, df_local_compute_function, df_init_function,
16978         df_dataflow_function, df_confluence_function_0,
16979         df_confluence_function_n, df_transfer_function,
16980         df_finalizer_function, df_free_function, df_dump_problem_function,
16981         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16982         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16983         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16984         df_urec_bb_info, ) New types.
16985         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16986         variables.
16987         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16988         df_analyze_simple_change_some_blocks,
16989         df_analyze_simple_change_one_block, df_compact_blocks,
16990         df_bb_replace, df_bb_regno_last_use_find,
16991         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16992         df_insn_regno_def_p, df_find_def, df_find_use,
16993         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16994         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16995         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16996         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16997         debug_df_chain, df_get_dependent_problem, df_chain_create,
16998         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16999         df_grow_bb_info, df_chain_dump, df_print_bb_index,
17000         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17001         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17002         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17003         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17004         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17005         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17006         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17007         df_ref_remove, df_insn_refs_delete, df_refs_delete,
17008         df_reorganize_refs, df_set_state, df_hard_reg_init,
17009         df_read_modify_subreg_p) New public functions.
17010         * df-core.c: The core dataflow solver and glue routines for rtl
17011         dataflow.
17012         (df_init, df_add_problem, df_set_blocks, df_finish,
17013         df_hybrid_search_forward, df_hybrid_search_backward,
17014         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17015         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17016         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17017         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17018         df_reg_defined, df_find_use, df_reg_used, df_dump,
17019         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17020         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17021         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17022         debug_df_useno, reset_df_after_reload): New functions.
17023         * df-scan.c: The scanning fuctions, once in df.c, completely
17024         rewritten so that they now fully model the functionality of
17025         register usage at the backend.
17026         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17027         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17028         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17029         df_grow_insn_info, df_rescan_blocks, df_ref_create,
17030         df_get_artificial_defs, df_get_artificial_uses,
17031         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17032         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17033         df_refs_delete, df_reorganize_refs, df_set_state,
17034         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17035         df_def_record_1, df_defs_record, df_uses_record,
17036         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17037         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17038         df_record_exit_block_uses, df_hard_reg_init): New functions.
17039
17040         * df-problems.c: Seven concrete dataflow problems that use the
17041         scanning in df-scan.c and are solved by the engine in df-core.c.
17042         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17043         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17044         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17045         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17046         df_ru_free_bb_info, df_ru_alloc,
17047         df_ru_bb_local_compute_process_def,
17048         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17049         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17050         df_ru_transfer_function, df_ru_free, df_ru_dump,
17051         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17052         df_rd_free_bb_info, df_rd_alloc,
17053         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17054         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17055         df_rd_transfer_function, df_rd_free, df_rd_dump,
17056         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17057         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17058         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17059         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17060         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17061         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17062         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17063         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17064         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17065         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17066         df_urec_mark_reg_change, df_urec_check_earlyclobber,
17067         df_urec_mark_reg_use_for_earlyclobber,
17068         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17069         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17070         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17071         df_urec_dump, df_urec_add_problem, df_chain_alloc,
17072         df_chain_create_bb_process_use, df_chain_create_bb,
17073         df_chain_finalize, df_chain_free, df_chains_dump,
17074         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17075         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17076         df_reg_lifetime): New functions.
17077         * df.c: Deleted file.
17078         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17079         consistent with new df api.
17080         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17081         rest_of_handle_sms): Ditto.
17082         * web.c (unionfind_union, union_defs, entry_register, web_main):
17083         Ditto.
17084         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17085         invariant_expr_equal_p, find_defs, check_dependencies,
17086         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17087         free_inv_motion_data, move_loop_invariants): Ditto.
17088         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17089         Update dependencies.
17090         (odf.c): Added defective entry that was deleted later in day.
17091         * sched-deps.c (sched_analyze_1): Ditto.
17092
17093 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
17094
17095         * tree-ssa-operands.c (get_expr_operands): Record addressable
17096         variables directly.  Do not call add_stmt_operands for CONST_DECLs
17097         and ARRAY_DECLs.
17098         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17099         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17100
17101 2006-01-11  Ben Elliston  <bje@au.ibm.com>
17102
17103         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17104         function returns true in the positive case.
17105
17106 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17107
17108         PR target/20754
17109         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17110         for SI, DI, SF and DF modes.  Add alternatives to copy between
17111         general and floating point registers to the 32-bit patterns.
17112         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17113         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17114         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17115         generating 64-bit code.
17116         * config/pa/pa.c (output_move_double): Handle copies between general
17117         and floating registers.
17118
17119 2006-01-10  Stuart Hastings  <stuart@apple.com>
17120
17121         * config/i386/i386.md (set_got): Update.
17122         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
17123         (builtin_setjmp_receiver): Mach-O support.
17124         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17125         (GOT_SYMBOL_NAME): Define.
17126         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17127         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17128         * config/i386/i386.c (override_options): Revise for Darwin.
17129         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
17130         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
17131         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
17132         * config/i386/i386-protos.h (output_set_got): Likewise.
17133         * config/darwin.c (machopic_legitimize_pic_address): Update
17134         regs_ever_live[].
17135
17136 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
17137
17138         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17139         when MODE isn't BLKmode.
17140
17141 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
17142
17143         PR rtl-optimization/25367
17144         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17145
17146 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
17147
17148         PR target/25718
17149         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17150         for a negative bound.
17151
17152 2006-01-10  Richard Guenther  <rguenther@suse.de>
17153
17154         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17155         Never override with anything constraint.
17156
17157 2006-01-10  Jan Beulich  <jbeulich@novell.com>
17158
17159         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17160         256 bits when optimize_size.
17161
17162 2006-01-10  Jan Beulich  <jbeulich@novell.com>
17163
17164         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17165         MASK_ALIGN_DOUBLE.
17166         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17167         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17168         arguments.
17169
17170 2006-01-10  Ben Elliston  <bje@au.ibm.com>
17171
17172         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17173         float modes.
17174         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17175         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17176         (USE_FP_FOR_ARG): Reject decimal float modes.
17177         (function_arg_advance): Likewise.
17178         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17179         (rs6000_handle_altivec_attribute): Do not permit decimal floating
17180         point types in AltiVec vectors.
17181         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17182         (rs6000_libcall_value): Likewise.
17183
17184 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
17185
17186         * config/xtensa/ieee754-df.S: New file.
17187         * config/xtensa/ieee754-sf.S: New file.
17188         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17189         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17190         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17191
17192 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
17193
17194         * config/sh/predicates.md (binary_float_operator,
17195         binary_logical_operator, commutative_float_operator,
17196         equality_comparison_operator, greater_comparison_operator,
17197         less_comparison_operator, logical_operator,
17198         noncommutative_float_operator, shift_operator,
17199         symbol_ref_operand, unary_float_operator): Remove redundant
17200         conditionals.
17201
17202 2006-01-09  Jeff Law  <law@redhat.com>
17203
17204         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17205         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
17206         now unused arguments.  Callers updated.
17207         (eliminate_redundant_computations): Remove now unused arguments,
17208         callers updated.
17209         (local_fold): Remove, no longer used.
17210         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17211         and moved to...
17212         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17213         (simplify_cond): New function.
17214         (forward_propagate_into_cond): Call simplify_cond.
17215
17216 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
17217
17218         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17219         (*vec_extractv2di_1_sse): New.
17220
17221 2006-01-09  Ben Elliston  <bje@au.ibm.com>
17222
17223         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17224
17225 2006-01-08  Richard Guenther  <rguenther@suse.de>
17226
17227         * tree-ssa-structalias.c (get_constraint_for): Remove
17228         anyoffset argument.
17229         (get_constraint_for_component_ref): Likewise.
17230         (do_deref): Likewise.
17231         (get_constraint_for): Likewise.
17232         (do_structure_copy): Likewise.
17233         (handle_ptr_arith): Likewise.
17234         (find_func_aliases): Likewise.  Remove unused need_anyoffset
17235         variable.
17236
17237 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
17238             Kaz Kojima  <kkojima@gcc.gnu.org>
17239
17240         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17241         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17242         (EXTRA_CONSTRAINT_C16): Remove.
17243         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17244         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17245         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17246         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17247         constants of SHmedia.  Handle nested constant expressions of
17248         SHmedia correctly.
17249         (andcosts): Fix the costs for SHmedia constants.
17250         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17251         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17252         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17253         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17254         (movv4hi_i, movv2si_i): Likewise.
17255         (movsi_const): Adjust the second operand of ior so to match with
17256         the Csu constraint.
17257         (movdi_const, movdi_const_32bit): Likewise.
17258         (movdi_const_16bit+1): Don't sign-extend LOW.
17259         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
17260         step.
17261         (*double_shori): Fix the split condition.  Use GEN_INT instead
17262         of get_int_mode calls.  Mask lower 16-bit of the argument of
17263         the last GEN_INT.
17264         (sym2GOTPLT): Remove.
17265         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17266         gen_rtx_UNSPEC.
17267         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17268         instead of EXTRA_CONSTRAINT_C16.
17269
17270 2006-01-07  Ian Lance Taylor  <ian@airs.com>
17271             David Edelsohn  <edelsohn@gnu.org>
17272
17273         PR rtl-optimization/25662
17274         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17275         for constant operands instead of simplify_gen_binary.
17276         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17277         after trying simplify_binary_operation
17278
17279 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
17280
17281         * tree.c (iterative_hash_expr): Hash decls based on UID.
17282
17283 2006-01-06  Eric Christopher  <echristo@apple.com>
17284
17285         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17286         (TARGET_UNWIND_EMIT): Fix spelling.
17287         * target.h (gcc_target): Add except_table_label.
17288         * except.c (output_function_exception_table): Use.
17289         * varasm.c (default_emit_except_table_label): New.
17290         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17291         define.
17292         (asm_out): Add here.
17293         * output.h (default_emit_except_table_label): Prototype.
17294         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17295         * config/darwin.c (darwin_emit_except_table_label): Define.
17296         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17297
17298 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
17299
17300         PR tree-optimization/18527
17301         * tree-ssa-loop-niter.c (number_of_iterations_cond,
17302         number_of_iterations_special, number_of_iterations_exit):
17303         Move base and step of an iv to a single structure.  Add
17304         no_overflow flag, and use it in # of iterations analysis.
17305         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17306         folded_casts argument.
17307         (simple_iv): Pass base and step in a structure.  Set no_overflow
17308         flag.
17309         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17310         Evaluate expensiveness of computing # of iterations instead of
17311         the final expression.
17312         * tree-scalar-evolution.h (affine_iv): New structure.
17313         (simple_iv): Declaration changed.
17314         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17315         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17316         find_givs_in_stmt): Changed due to simple_iv change.
17317
17318 2006-01-06  Jeff Law  <law@redhat.com>
17319
17320         PR ada/24994
17321         * tree-cfg.c (bsi_replace): Rename final argument from
17322         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
17323         change (stmt -> orig_stmt).
17324         * tree-eh.c (verify_eh_throw_stmt_node): New function.
17325         (bsi_remove): Add new argument.  Remove EH information
17326         if requested.
17327         (verify_eh_throw_table_statements): New function.
17328         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
17329         updated.
17330         * tree-optimize.c (execute_free_cfg_annotations): Verify
17331         the EH throw statement table after removing annotations.
17332         * except.h (verify_eh_throw_table_statements): Prototype.
17333         * tree-flow.h (bsi_remove): Update prototype.
17334         * tree-vrp.c (remove_range_assertions): Add new argument to
17335         bsi_remove call.
17336         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17337         * tree-complex.c (expand_complex_div_wide): Likewise.
17338         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17339         * tree-tailcall.c (eliminate_tailcall): Likewise.
17340         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17341         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17342         * tree-nrv.c (tree_nrv): Likewise.
17343         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17344         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17345         (combine_blocks): Likewise.
17346         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17347         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17348         (cleanup_control_flow): Likewise.
17349         (remove_forwarder_block): Likewise.
17350         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17351         * tree-sra.c (sra_replace): Likewise.
17352         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17353         (forward_propagate_single_use_vars): Likewise.
17354         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17355         * tree-inline.c (expand_call_inline): Likewise.
17356         * tree-vect-transform.c (vect_transform_loop): Likewise.
17357         * tree-outof-ssa.c (rewrite_trees): Likewise.
17358         * tree-cfg.c (make_goto_expr_edges): Likewise.
17359         (cleanup_dead_labels): Likewise.
17360         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17361         (bsi_move_before, bsi_move_after): Likewise.
17362         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17363         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17364
17365 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
17366
17367         PR tree-opt/25528
17368         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17369         and IMAGPART_EXPR.
17370         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17371         on non gimple variables.  Also add checks at the top for decls and
17372         mtags.
17373         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17374         complex types.
17375         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17376         and IMAGPART_EXPR for creating MUST_DEFs.
17377         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17378         and NAME_MEMORY_TAG separately from the DECLs.
17379
17380 2006-01-06  Richard Guenther  <rguenther@suse.de>
17381
17382         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17383         annotation, if necessary.
17384         * tree-ssa-pre.c (create_expression_by_pieces): Remove
17385         redundant calls to update_stmt.
17386         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17387         Likewise.
17388
17389 2006-01-05  Richard Henderson  <rth@redhat.com>
17390
17391         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17392
17393 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
17394
17395         * c-typeck.c: Update copyright date.
17396
17397 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
17398
17399         * c-typeck.c (build_c_cast): Always warn when casting
17400         from a pointer to an integer of different size, even if
17401         the node was constant.
17402
17403 2006-01-05  Richard Guenther  <rguenther@suse.de>
17404
17405         PR tree-optimization/22555
17406         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17407         if one structure field is an array.
17408         * tree-ssa-operands.c (get_expr_operands): Continue scanning
17409         operands even if we found a subvar, but ignore VOPs in this
17410         case.
17411         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17412         for renaming.
17413         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17414
17415 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
17416
17417         PR middle-end/24998
17418         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17419
17420 2006-01-05  Richard Guenther  <rguenther@suse.de>
17421             Diego Novillo  <dnovillo@redhat.com>
17422
17423         * tree-pass.h (TODO_remove_unused_locals): Define.
17424         * gimple-low.c (expand_var_p, remove_useless_vars,
17425         pass_remove_useless_vars): Remove.  Update all users.
17426         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17427         (remove_unused_locals): New function.
17428         * tree-flow.h (remove_unused_locals): Declare.
17429         * passes.c (execute_todo): Call remove_unused_locals if
17430         TODO_remove_unused_locals is set.
17431         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17432         * tree-ssa-dce.c (pass_dce): Likewise.
17433         * tree-outof-ssa.c (pass_del_ssa): Likewise.
17434
17435 2006-01-05  Richard Guenther  <rguenther@suse.de>
17436
17437         * tree-flow.h (struct fieldoff): Decompose field to
17438         type, size and decl.
17439         * tree-ssa-alias.c (create_sft): Take type as parameter.
17440         (create_overlap_variables_for): Store type, size and decl
17441         in the fieldoff structure.
17442         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17443         of struct fieldoff.
17444         (push_fields_onto_fieldstack): Likewise.
17445         (create_variable_info_for): Likewise.  Use offset for the
17446         SFT name if the decl is not available.
17447
17448 2006-01-04  Paul Brook  <paul@codesourcery.com>
17449
17450         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17451
17452 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
17453
17454         * lambda-code.c (can_put_in_inner_loop): Relax
17455         restrictions.
17456         (can_put_after_inner_loop): New function.
17457         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17458         (perfect_nestify): Change to make copies and modify uses.
17459
17460 2006-01-04  Richard Henderson  <rth@redhat.com>
17461
17462         Merge from gomp branch:
17463         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17464         via integer constant.
17465         (pragma_lex): Remove.
17466         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17467         rather than parsing it.
17468         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17469         handle_pragma_extern_prefix): Add %< %> quotes.
17470         (registered_pragmas): New.
17471         (c_register_pragma_1): New.
17472         (c_register_pragma): Use it.
17473         (c_register_pragma_with_expansion): Likewise.
17474         (c_invoke_pragma_handler): New.
17475         (init_pragma): Use cpp_register_deferred_pragma directly for
17476         pch_preprocess.
17477         * c-pragma.h (enum pragma_kind): New.
17478         (pragma_handler): New.
17479         (c_invoke_pragma_handler): Declare.
17480         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17481         CPP_PRAGMA_EOL.
17482         * c-common.h (c_common_pch_pragma): Update decl.
17483         * Makefile.in (c-parser.o): Update dependencies.
17484         (GTFILES): Add c-pragma.h.
17485         * c-parser.c (struct c_token): Add pragma_kind.
17486         (struct c_parser): Add in_pragma.
17487         (c_lex_one_token): Always initialize keyword and pragma_kind.
17488         Extract data for CPP_PRAGMA.
17489         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17490         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17491         Don't allow CPP_PRAGMA_EOL if in_pragma.
17492         (c_parser_consume_pragma): New.
17493         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17494         (c_parser_skip_to_end_of_parameter): Likewise.
17495         (c_parser_skip_to_end_of_block_or_statement): Likewise.
17496         (c_parser_skip_to_pragma_eol): New.
17497         (c_parser_external_declaration): Handle CPP_PRAGMA.
17498         (c_parser_compound_statement_nostart): Likewise.
17499         (c_parser_statement_after_labels): Likewise.
17500         (c_parser_pragma): New.
17501         (pragma_lex): Likewise.
17502         (c_parser_pragma_pch_preprocess): New.
17503         (c_parser_new): Merge into ...
17504         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
17505
17506 2006-01-04  Jeff Law  <law@redhat.com>
17507
17508         PR ada/24994
17509         * tree-cfg.c (bsi_replace): Remove the original statement
17510         from the EH throw statement table.
17511
17512 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
17513
17514         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17515         make the prototype extern "C" and add throw ().
17516
17517         PR target/25554
17518         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17519         and pos non-negative and pos + len <= 32.
17520         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17521         drop pos + len < HOST_BITS_PER_WIDE_INT test.
17522         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17523
17524         PR c/25559
17525         * c-common.c (handle_vector_size_attribute): Reject zero vector size
17526         as well as sizes not multiple of component size.
17527
17528         PR debug/25562
17529         * function.c (instantiate_expr): New function.
17530         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17531         walk its DECL_VALUE_EXPR with instantiate_expr.
17532
17533         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17534         DW_OP_deref{,_size} if address isn't going to be added.
17535
17536 2006-01-04  Ben Elliston  <bje@au.ibm.com>
17537
17538         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17539         * config/fp-bit.c: Likewise.
17540
17541 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
17542
17543         * dominance.c: Add comment about why we use DFS numbering
17544         of dominance tree.
17545
17546 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
17547             Richard Henderson  <rth@redhat.com>
17548
17549         Merge from gomp-branch:
17550         * varasm.c (assemble_variable): Handle thread-local COMMON data.
17551         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17552
17553 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
17554
17555         PR rtl-optimization/25578
17556         * combine.c (combine_simplify_rtx, force_to_mode): Don't
17557         pass a parameter to simplify_shift_const if changing ASHIFTRT
17558         to LSHIFTRT.
17559
17560 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
17561
17562         * builtins.c (get_builtin_sync_mem): New function.
17563         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17564         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17565         Call get_builtin_sync_mem to generate mem rtx.
17566
17567 2006-01-03  Richard Guenther  <rguenther@suse.de>
17568
17569         PR c/25183
17570         * stmt.c (add_case_node): Make sure to clear overflow flags
17571         from ranges.
17572
17573 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
17574
17575         Merge from gomp-branch.
17576         * config/sparc/sync.md: New file.
17577         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17578         UNSPECV_LDSTUB): New constants.
17579         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17580         * config/sparc/predicates.md (memory_reg_operand): New predicate.
17581         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17582         prototype.
17583
17584 2006-01-03  Roger Sayle  <roger@eyesopen.com>
17585
17586         * combine.c (reg_subword_p): New predicate to test whether the
17587         destination of a set refers to a subword/piece of a register.
17588         (try_combine): Generalize the code to merge the setting of a
17589         pseudo to a constant followed by a set of a subword of that
17590         register to a constant.
17591
17592 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
17593
17594         * basic-block.h (control_flow_graph): Change the type of
17595         x_label_to_block_map to VEC(basic_block,gc) *.
17596         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17597         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17598
17599         * tree-ssa-propagate.c (cfg_blocks): Change the type to
17600         VEC(basic_block,heap) *.
17601         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17602         ssa_prop_fini): Adjust the uses of cfg_blocks.
17603
17604 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
17605
17606         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17607         COMPONENT_REFs.
17608         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17609         hashing trees instead of a pointer hash.
17610         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17611         compare for MEM_EXPR.
17612
17613         PR rtl-optimization/25130
17614         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17615         when comparing MEMs for GCSE
17616
17617 2006-01-03  Ben Elliston  <bje@au.ibm.com>
17618
17619         * targhooks.h (default_decimal_float_supported_p): Declare.
17620         * targhooks.c (default_decimal_float_supported_p): Define.
17621         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17622         `default_decimal_float_supported_p'.
17623         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17624
17625 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
17626
17627         * combine.c (apply_distributive_law <SUBREG>): Check
17628         TRULY_NOOP_TRUNCATION.
17629
17630 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
17631
17632         * dwarf2out.c (have_switched_text_section): Delete.
17633         (have_multiple_function_sections): New.
17634         (have_location_lists): Make 'bool'.
17635         (add_AT_loc_list): Use 'true' not '1'.
17636         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17637         (output_loc_list): Use have_multiple_function_sections.
17638         (output_ranges): Likewise.
17639         (dwarf2out_begin_function): Set have_multiple_function_sections if
17640         necessary.
17641         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17642         Check function_section rather than DECL_SECTION_NAME.
17643         (dwarf2out_finish): Use have_multiple_function_sections.
17644         Don't clear have_location_lists.
17645
17646 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
17647             Jan Hubicka  <jh@suse.cz>
17648
17649         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17650         case of conditional jump jumping to the next instruction.
17651         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17652         cases of conditional jump jumping to the next instruction.
17653
17654 2006-01-02  Jan Hubicka  <jh@suse.cz>
17655
17656         * i386.c (*_cost): Add COSTS_N_INSNS.
17657         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17658
17659 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
17660
17661         PR target/25259
17662         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17663
17664 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17665
17666         * config/arm/arm.c (all_fpus): Fix comment typo.
17667         * config/darwin.c: Likewise.
17668         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17669         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17670         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17671
17672 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
17673
17674         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17675         (rs6000_split_compare_and_swapqhi): New.
17676         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17677         (sync_compare_and_swapqhi_internal): New.
17678         * config/rs6000/rs6000-protos.h: Declare.