gcc/ChangeLog

   1 2006-11-06  Jan van Dijk  <jan@etpmod.phys.tue.nl>
   2
   3         * configure.ac: Fixed typo in case statement: :: changed to ;;
   4
   5 2006-11-06  Bob Wilson  <bob.wilson@acm.org>
   6
   7         * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
   8         count_leading_zeros, and count_trailing_zeros.
   9         * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
  10         (TARGET_FOLD_BUILTIN): Define.
  11         (TARGET_EXPAND_BUILTIN): Define.
  12         (xtensa_init_builtins): New.
  13         (xtensa_fold_builtin): New.
  14         (xtensa_expand_builtin): New.
  15         (xtensa_rtx_costs): Add CTZ and CLZ.  Adjust costs for MULT.
  16         * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
  17         (CLZ_DEFINED_VALUE_AT_ZERO): Define.
  18         (CTZ_DEFINED_VALUE_AT_ZERO): Define.
  19         * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
  20         (any_extend): New code macro.
  21         (u, su): New code attributes.
  22         (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
  23         (nsau): Remove; replaced by clzsi2.
  24         (ffssi2): Use clzsi2.
  25         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
  26         _clzsi2, _ctzsi2, and _ffssi2.  Rename _nsau to _clz.
  27         * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
  28         (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
  29         (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
  30
  31 2006-11-06  Vladimir Prus  <vladimir@codesourcery.com>
  32
  33         * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
  34         set inhibit_libc.
  35         * config/arm/t-strongarm-elf: Likewise.
  36         * config/arm/t-pe: Likewise.
  37         * config/arm/t-arm-elf: Likewise.
  38         * config/arm/t-xscale-elf: Likewise.
  39         * config/arm/t-arm-coff: Likewise.
  40         * config/arm/t-xscale-coff: Likewise.
  41         * config/arm/t-wince-pe: Likewise.
  42
  43 2006-11-05  Kaz Kojima  <kkojima@gcc.gnu.org>
  44
  45         * config/sh/lib1funcs-4-300.asm: Guard entire file with
  46         #if !__SHMEDIA__ .
  47
  48 2006-11-05  Jakub Jelinek  <jakub@redhat.com>
  49
  50         PR middle-end/29695
  51         * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
  52         simplification.
  53
  54 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
  55
  56         PR target/26915
  57         * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
  58         as a valid 80387 constant.
  59         (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
  60         * config/i386/i386.md (unnamed splitter): Split the load of
  61         constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
  62         by negation.
  63
  64 2006-11-04  Richard Earnshaw  <rearnsha@arm.com>
  65
  66         * arm.c (thumb_legitimate_addres_p): Allow any constant offset
  67         from the soft-frame, argument and virtual registers.
  68
  69 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
  70
  71         * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
  72         patterns for standard 80387 constants.
  73
  74 2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
  75             Steven Bosscher  <steven@gcc.gnu.org>
  76
  77         * fwprop.c: New file.
  78         * Makefile.in: Add fwprop.o.
  79         * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
  80         * passes.c (init_optimization_passes): Schedule forward propagation.
  81         * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
  82         parameter.
  83         * timevar.def (TV_FWPROP): New.
  84         * common.opt (-fforward-propagate): New.
  85         * opts.c (decode_options): Enable forward propagation at -O2.
  86         * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
  87         * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
  88         canon_for_address, table_size): Remove.
  89         (new_basic_block, insert, remove_from_table): Remove references to
  90         table_size.
  91         (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
  92         simplification loop more straightforward by not calling fold_rtx
  93         recursively.
  94         (equiv_constant): Move here a small part of fold_rtx_subreg,
  95         do not call fold_rtx.  Call avoid_constant_pool_reference
  96         to process MEMs.
  97         * recog.h (canonicalize_change_group): New.
  98
  99         * doc/invoke.texi (Optimization Options): Document fwprop.
 100         * doc/passes.texi (RTL passes): Document fwprop.
 101
 102 2006-11-03  Geoffrey Keating  <geoffk@apple.com>
 103
 104         * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
 105         (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
 106         (grokdeclarator): Likewise.
 107
 108 2006-11-03  Steven Bosscher  <steven@gcc.gnu.org>
 109
 110         * tree-dump.c (dump_enable_all): Rename local variable
 111         ir_type to avoid name conflicts.
 112         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
 113         instead of using ir_type().
 114         * profile.c (tree_register_profile_hooks): Likewise.
 115         * value-prof.c (tree_register_value_prof_hooks): Likewise.
 116         * basic-block.h (struct edge_def): Likewise.
 117         * config/arm/arm.c (legitimize_pic_address): Likewise.
 118         * coretypes.h (ir_type): New enum of all intermediate languages
 119         used in GCC.
 120         * cfghooks.c (ir_type): Rename to...
 121         (current_ir_type): ...this.  Distinguish between cfgrtl and
 122         cfglayout mode when the current IR is RTL.  Return enum ir_type.
 123         * cfghooks.h (ir_type): Replace with current_ir_type prototype.
 124
 125 2006-11-03  Paul Brook  <paul@codesourcery.com>
 126
 127         * config/arm/arm.c (arm_file_start): New function.
 128         (TARGET_ASM_FILE_START): Define.
 129         (arm_default_cpu): New variable.
 130         (arm_override_options): Set arm_default_cpu.
 131
 132 2006-11-03  David Ung  <davidu@mips.com>
 133
 134         * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
 135         PROCESSOR_24KC and PROCESSOR_24KF.
 136         * config/mips/mips.c (mips_cpu_info_table): Add processor names
 137         and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
 138         (mips_rtx_cost_data): Add costs for the 24kc.
 139         * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
 140         * config/mips/24k.md: Remove references to 24k and replace with
 141         uses of 24kc/24kf in the appropriate reservations.
 142         * doc/invoke.texi (MIPS Options): Updated.
 143
 144 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
 145
 146         * config/sh/crt1.asm: Fix #ifdef indent.
 147
 148 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
 149         Merged from STMicroelectronics sources:
 150         2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
 151           * config/sh/crt1.asm (vbr_600): Add missing #if.
 152         2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
 153           * sh.opt (mfused-madd): New option.
 154           * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
 155         2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
 156           * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
 157           Remove pointless handler at VBR+0.
 158           (vbr_200, vbr_300, vbr_500): Remove pointless handler.
 159           (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
 160           fr7. Make sure the timer handler is called with the correct FPU
 161           precision setting, according to the ABI.
 162         2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
 163           * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
 164           * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
 165           (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
 166         2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
 167           * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
 168           zero as second operand.
 169         2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
 170           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
 171           Fixed some bugs related to negative values, in particular -0
 172           and overflow at -0x80000000.
 173           * config/sh/divcost-analysis: Added sh4-300 figures.
 174         2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
 175           * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
 176         2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
 177           * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
 178           ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
 179           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
 180         New files.
 181           * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
 182           -m4-340.
 183         2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
 184           SH4-300 scheduling description & fixes to SH4-[12]00 description:
 185           * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
 186           mac_mem, mem_mac, dfp_mul, fp_cmp.
 187           (insn_class, dfp_comp, any_fp_comp): Update.
 188           (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
 189           (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
 190           (muldf3_i): Likewise.
 191           (movsi_i): Split rI08 alternative into two separate alternatives.
 192           Update type.
 193           (movsi_ie, movsi_i_lowpart): Likewise.
 194           (movqi_i): Split ri alternative into two separate alternatives.
 195           Update type.
 196           * sh1.md (sh1_load_store, sh1_fp): Update.
 197           * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
 198           (mac_mem, sh4_fpscr_toggle): New insn_reservations.
 199           * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
 200           (sh4a_fp_double_arith): Likewise.
 201           * sh4-300.md: New file.
 202           * sh.c (sh_handle_option): Handle m4-300* options.
 203           (sh_adjust_cost): Fix latency of auto-increments.
 204           Handle SH4-300 differently than other SH4s.  Check for new insn types.
 205           * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
 206           been set by an option.
 207           * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
 208           (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
 209           (mbranch-cost=): Likewise.
 210           * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
 211
 212           * sh.md (mulsf3): Remove special expansion code.
 213           (mulsf3_ie): Now a define_insn_and_split.
 214           (macsf3): Allow for TARGET_SH4.
 215
 216           * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
 217           * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
 218           (expand_cbranchdi4): Likewise.
 219           (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
 220           CONST_DOUBLE if the outer code is COMPARE.
 221           * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
 222           TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
 223           (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
 224           (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
 225           Remove redundant fp_{zero,one}_operand checks.
 226           * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
 227           * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
 228           (expand_cbranchdi4): Likewise.
 229         2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
 230           * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
 231
 232 2006-11-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 233
 234         * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
 235         constraints.
 236
 237 2006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>
 238
 239         * doc/invoke.texi: Fix mfp-trap-mode typo.
 240
 241 2006-11-02  Carlos O'Donell  <carlos@codesourcery.com>
 242
 243         * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
 244         * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
 245         file_end_indicate_exec_stack.
 246         * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
 247         Define as 0.
 248         * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
 249         for a non-executable stack.
 250         * crti.asm: Likewise.
 251         * crtn.asm: Likewise.
 252         * libunwind.S: Likewise.
 253
 254 2006-11-02  Ben Elliston  <bje@au.ibm.com>
 255
 256         * tree-ssa.c (warn_uninit): Use expand_location variables for
 257         locus and declaration locus.
 258
 259 2006-11-02  Kaz Kojima  <kkojima@gcc.gnu.org>
 260
 261         PR target/27405
 262         * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
 263         (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
 264         cmp{eq,gt,gtu}{si,di}_media.
 265         (*cmpne0si_media): Remove.
 266         (*movsicc_umin): Adjust gen_cmp*_media call.
 267         (unordered): Change the mode of unordered and operands[1] to
 268         SImode.
 269         (seq): Adjust gen_cmp*_media calls.  Make the mode of
 270         a temporary result of compare SImode if needed.  If the mode
 271         of operands[0] is DImode, extend the temporary result to DImode.
 272         (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
 273         (sunorderd): Change the mode of match_operand and unorderd to
 274         SImode.
 275         (cmpeq{sf,df}_media): Remove.
 276         (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
 277         (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
 278         and compare operation to SImode.
 279
 280 2006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
 281
 282         * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
 283         instructions.
 284         (sparc64-sun-solaris2*): Likewise.
 285
 286 2006-11-02  Paul Brook  <paul@codesourcery.com>
 287
 288         * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
 289         from priority argument.  Use different section for non-default
 290         priority.
 291         * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
 292
 293 2006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
 294
 295         PR other/29639
 296         * except.c (switch_to_exception_section): Do not cache the section
 297         if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
 298         and flag_function_sections is set.
 299
 300 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 301
 302         PR middle-end/29335
 303         * builtins.c (do_mpfr_sincos): New.
 304         (fold_builtin_1): Use it to fold builtin sincos.
 305
 306 2006-11-01  Roger Sayle  <roger@eyesopen.com>
 307
 308         * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
 309         it into -D_REENTRANT.
 310
 311 2006-11-01  Roger Sayle  <roger@eyesopen.com>
 312
 313         * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
 314         whether the assembler supports taking the difference of symbols in
 315         different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
 316         * configure: Regenerate.
 317         * config.in: Regenerate.
 318         * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
 319         the assembler doesn't support taking the difference of symbols in
 320         different sections, i.e. we're using the native solaris assembler.
 321
 322 2006-11-01  Pete Steinmetz  <steinmtz@us.ibm.com>
 323             Peter Bergner  <bergner@vnet.ibm.com>
 324
 325         * doc/invoke.texi: Add cpu_type power6x
 326         (RS/6000 and PowerPC Options): Add -mmfpgpr.
 327         * config.gcc: Add cpu_type power6x.
 328         * configure.ac: Add test for mf{t,f}gpr instructions.
 329         (HAVE_AS_MFPGPR): New.
 330         * config.in: Regenerate.
 331         * configure: Regenerate.
 332         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
 333         * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
 334         shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
 335         and mftgpr attributes.
 336         (define_attr "cpu"): Add power6.
 337         Change instruction sequences to use new attributes.
 338         (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
 339         (fix_truncdfsi2_mfpgpr): New.
 340         (floatsidf_ppc64_mfpgpr): New.
 341         (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
 342         (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
 343         (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
 344         (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
 345         (fix_truncdfsi2): Use gpc_reg_operand constraint.
 346         * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
 347         7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
 348         Add descriptions for insert_dword, shift,trap,var_shift_rotate,
 349         cntlz,exts and var_delayed_compare.
 350         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 351         _ARCH_PWR6X, if features enabled.
 352         * config/rs6000/rs6000.opt (mmfpgpr): New.
 353         * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
 354         (cached_can_issue_more): New variable.
 355         (processor_costs): Add power6_cost.
 356         (rs6000_sched_init): New function.
 357         (is_dispatch_slot_restricted): Deleted.
 358         (set_to_load_agen): New function.
 359         (is_load_insn,is_store_insn): New functions.
 360         (adjacent_mem_locations): New function.
 361         (insn_must_be_first_in_group): New function.
 362         (insn_must_be_last_in_group): New function.
 363         (rs6000_sched_reorder): New function.
 364         (rs6000_sched_reorder2): New function.
 365         (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
 366         TARGET_SCHED_REORDER2): Define.
 367         (processor_target_table): Use PROCESSOR_POWER6 for power6.
 368         Add power6x. Add MASK_MFPGPR for power6x.
 369         (POWERPC_MASKS): Add MASK_MFPGPR.
 370         (rs6000_override_options): Set rs6000_always_hint to false
 371         for power6.  Set rs6000_align_branch_targets. Replace
 372         rs6000_sched_groups check with rs6000_align_branch_targets.
 373         Use PROCESSOR_POWER6.
 374         (last_scheduled_insn): New variable.
 375         (load_store_pendulum): New variable.
 376         (rs6000_variable_issue): Set last_scheduled_insn and
 377         cached_can_issue_more.
 378         (rs6000_adjust_cost): Add power6 cost adjustments.
 379         (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
 380         with insn_must_be_first_in_group. Add power6 priority adjustments.
 381         (rs6000_issue_rate): Add CPU_POWER6.
 382         (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
 383         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
 384         (TARGET_MFPGPR): New.
 385         (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
 386         (ASM_CPU_SPEC): Add power6x.
 387         (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
 388         conditions.
 389         * config/rs6000/power6.md: New file.
 390
 391 2006-11-01  Adam Nemet  <anemet@caviumnetworks.com>
 392
 393         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
 394         HOST_WIDE_INT_PRINT to print high and low parts.  Use
 395         HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
 396         printing a hexadecimal number prefix it with 0x.
 397
 398 2006-11-01  Chris Johns <chris@contemporary.net.au>
 399
 400         PR bootstrap/28400
 401         * Makefile.in (install-driver): Use exeext when installing
 402         $target-gcc-$version.
 403
 404 2006-11-01      Douglas Gregor <doug.gregor@gmail.com>
 405
 406         * c-common.c (flag_cpp0x): New.
 407         * c-common.h (flag_cpp0x): New.
 408         * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
 409         supported, define __GXX_EXPERIMENTAL_CPP0X__.
 410         * c-opts.c (set_std_cxx0x): New.
 411         (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
 412         * c.opt (std=c++0x): Document.
 413         (std=gnu++0x): Ditto.
 414         * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
 415         * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
 416
 417 2006-11-01  Richard Guenther  <rguenther@suse.de>
 418
 419         * config/i386/i386.c (ix86_expand_rint): Fix issues with
 420         signed zeros.
 421         (ix86_expand_floorceildf_32): Likewise.
 422         (ix86_expand_floorceil): Likewise.
 423         (ix86_expand_trunc): Likewise.
 424
 425 2006-10-31  Andrew Pinski  <pinskia@gmail.com>
 426
 427         * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
 428         to "GNU C89".
 429
 430 2006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
 431
 432         * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
 433         hook.
 434         * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
 435         default.
 436         * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
 437         Override default.
 438         * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
 439         * configure.ac (use_cxa_atexit): As a special case, don't test
 440         for libc definition of __cxa_atexit on mingw32
 441         * configure: Regenerate.
 442         * config.gcc (i[34567]86-pc-mingw32): Default to
 443         enable__cxa_atexit=yes.
 444
 445 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 446
 447         * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
 448
 449 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 450
 451         PR 23067
 452         * c-decl.c (start_struct): Don't create self-containing
 453         structures.
 454         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
 455         New.
 456         * config/rs6000/rs6000-protos.h
 457         (darwin_rs6000_special_round_type_align): New.
 458         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
 459         (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
 460
 461 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 462
 463         * toplev.c (compile_file): Call final_write_globals
 464         even if there have been errors.
 465
 466 2006-10-31  Eric Christopher  <echristo@apple.com>
 467             Falk Hueffner  <falk@debian.org>
 468
 469         * doc/extend.texi (__builtin_bswap32): Document.
 470         (__builtin_bswap64): Ditto.
 471         * doc/libgcc.texi (bswapsi2): Document.
 472         (bswapdi2): Ditto.
 473         * doc/rtl.texi (bswap): Document.
 474         * optabs.c (expand_unop): Don't widen a bswap.
 475         (init_optabs): Init bswap. Set libfuncs explicitly
 476         for bswapsi2 and bswapdi2.
 477         * optabs.h (OTI_bswap): New.
 478         (bswap_optab): Ditto.
 479         * genopinit.c (optabs): Handle bswap_optab.
 480         * tree.h (tree_index): Add TI_UINT32_TYPE and
 481         TI_UINT64_TYPE.
 482         (uint32_type_node): New.
 483         (uint64_type_node): Ditto.
 484         * tree.c (build_common_tree_nodes_2): Initialize
 485         uint32_type_node and uint64_type_node.
 486         * builtins.c (expand_builtin_bswap): New.
 487         (expand_builtin): Call.
 488         (fold_builtin_bswap): New.
 489         (fold_builtin_1): Call.
 490         * fold-const.c (tree_expr_nonnegative_p): Return true
 491         for bswap.
 492         * builtin-types.def (BT_UINT32): New.
 493         (BT_UINT64): Ditto.
 494         (BT_FN_UINT32_UINT32): Ditto.
 495         (BT_FN_UINT64_UINT64): Ditto.
 496         * builtins.def (BUILT_IN_BSWAP32): New.
 497         (BUILT_IN_BSWAP64): Ditto.
 498         * rtl.def (BSWAP): New.
 499         * genattrtab.c (check_attr_value): New.
 500         * libgcc2.c (__bswapSI2): New.
 501         (__bswapDI2): Ditto.
 502         * libgcc2.h (__bswapSI2): Declare.
 503         (__bswapDI2): Ditto.
 504         * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
 505         * simplify-rtx.c (simplify_const_unary_operation): Return
 506         0 for BSWAP.
 507         * libgcc-std.ver (__bwapsi2): Add.
 508         (__bswapdi2): Ditto.
 509         * reload1.c (eliminate_regs_1): Add bswap.
 510         (elimination_effects): Ditto.
 511         * config/i386/i386.h (x86_bswap): New.
 512         (TARGET_BSWAP): Use.
 513         * config/i386/i386.c (x86_bswap): Set.
 514
 515 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 516
 517         * coverage.c (coverage_checksum_string): Update comment.
 518         * dwarf2out.c (switch_to_eh_frame_section): Update for removal
 519         of get_file_function_name.
 520         * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
 521         of get_file_function_name_long.
 522         * tree.c (get_file_function_name): Rename from
 523         get_file_function_name_long; improve comment; handle 'I' and 'D'
 524         specially when the target has ctor/dtor support; remove special
 525         handling for 'F'.
 526         (get_file_function_name): Remove.
 527         * tree.h (get_file_function_name): Rename from
 528         get_file_function_name_long.
 529         (get_file_function_name): Remove prototype.
 530
 531 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 532
 533         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
 534         * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
 535
 536         * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
 537         Call dsymutil when compiling and linking one or more source files
 538         in one step.
 539
 540 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 541
 542         PR 15834
 543         * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
 544
 545 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 546
 547         * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
 548         inline static functions in c99 mode.
 549
 550         PR 16622
 551         * doc/extend.texi (Inline): Update.
 552         * c-tree.h (struct language_function): Remove field 'extern_inline'.
 553         * c-decl.c (current_extern_inline): Delete.
 554         (pop_scope): Adjust test for an undefined nested function.
 555         Add warning about undeclared inline function.
 556         (diagnose_mismatched_decls): Update comments.  Disallow overriding
 557         of inline functions in a translation unit in C99.  Allow inline
 558         declarations in C99 at any time.
 559         (merge_decls): Boolize variables.  Handle C99 'extern inline'
 560         semantics.
 561         (grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
 562         C99 inline semantics.
 563         (start_function): Don't clear current_extern_inline.  Don't set
 564         DECL_EXTERNAL.
 565         (c_push_function_context): Don't push current_extern_inline.
 566         (c_pop_function_context): Don't restore current_extern_inline.
 567
 568         PR 11377
 569         * c-typeck.c (build_external_ref): Warn about static variables
 570         used in extern inline functions.
 571         * c-decl.c (start_decl): Warn about static variables declared
 572         in extern inline functions.
 573
 574 2006-10-31  Roger Sayle  <roger@eyesopen.com>
 575
 576         PR middle-end/23470
 577         * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
 578         * fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
 579         pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
 580         or y is an even integer.
 581
 582 2006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
 583
 584         PR target/24071
 585         * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
 586         * gthr-posix95.h (__gthread_active_p): Likewise.
 587
 588 2006-10-31  Richard Guenther  <rguenther@suse.de>
 589
 590         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
 591         acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
 592         expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
 593         exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
 594         ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
 595         lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
 596         lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
 597         btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
 598         !optimize_size.
 599
 600 2006-10-31  Steven Bosscher  <steven@gcc.gnu.org>
 601
 602         * opts.c (decode_options): Disable CSE skip blocks.
 603
 604 2006-10-30  Dirk Mueller  <dmueller@suse.de>
 605
 606         * c-common.h (strict_aliasing_warning): Fix whitespace.
 607         * c-decl (start_function): Move code for main decl warning ..
 608         * c-common.c (check_main_parameter_types): .. here.
 609         * c-common.h (check_main_parameter_types): Declare.
 610
 611 2006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 612
 613         PR middle-end/29335
 614         * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
 615
 616 2006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>
 617
 618         * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
 619         be a PARALLEL containing sets.  Return false when out_pat is not
 620         a PARALLEL insn.
 621
 622 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
 623
 624         * config/mips/mips.md (mul<mode>3): Split into...
 625         (mulsi3, muldi3): ...these separate patterns.
 626
 627 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
 628
 629         * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
 630         but with each set of options separated by spaces.
 631
 632 2006-10-30  J"orn Rennecke  <joern.rennecke@st.com>
 633
 634         * unwind-dw2.c (uw_init_context_1): Fix test that checks if
 635         dwarf_reg_size_table has been initialized.
 636
 637 2006-10-30  Roger Sayle  <roger@eyesopen.com>
 638
 639         * builtins.c (expand_builtin_mathfn_3): Correct coding style.
 640         * ddg.c (print_ddg_edge): Likewise.
 641         * dwarf2out.c (prune_unused_types_walk): Likewise.
 642         * ifcvt.c (noce_try_cmove_arith): Likewise.
 643         * langhooks.c (add_builtin_function): Likewise.
 644         * reg-stack.c (subst_stack_regs_pat): Likewise.
 645         * tree.c (expanded_location): Likewise.
 646         * tree-dump.c (dequeue_and_dump): Likewise.
 647
 648 2006-10-30  David Daney  <ddaney@avtrex.com>
 649
 650         * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
 651
 652 2006-10-30  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR tree-optimization/29637
 655         * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
 656         of the innertype is the innertype itself.
 657
 658 2006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
 659
 660         * dwarf2out.c (file_name_acquire): Correct typo.
 661
 662 2006-10-29  Daniel Berlin  <dberlin@dberlin.org>
 663
 664         * tree.h (tree_value_handle): Remove struct value_set declaration.
 665         Change value_set to bitmap_set.
 666         * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
 667         * tree-vn.c (get_value_handle): Made inline and moved to
 668         tree-flow-inline.h.
 669         * tree-flow-inline.h: (has_stmt_ann): New function.
 670         * tree-ssa-pre.c (expressions): New variable.
 671         (next_expression_id): Ditto.
 672         (alloc_expression_id): New function.
 673         (struct value_set): Remove.
 674         (get_expression_id): New function.
 675         (get_or_alloc_expression_id): Ditto.
 676         (expression_for_id): Ditto.
 677         (clear_expression_ids): Ditto.
 678         (FOR_EACH_EXPR_ID_IN_SET): New macro.
 679         (bb_value_sets): Renamed to bb_bitmap_sets.
 680         All value sets replaced with bitmap_sets.
 681         Add visited member.
 682         (BB_VISITED): New macro.
 683         (postorder): New variable.
 684         (add_to_value): Removed.
 685         (value_exists_in_set_bitmap): Ditto.
 686         (value_insert_into_set_bitmap): Ditto.
 687         (set_new): Ditto.
 688         (set_copy): Ditto.
 689         (set_remove): Ditto.
 690         (set_contains_value): Ditto.
 691         (insert_into_set): Ditto.
 692         (set_equal): Ditto.
 693         (find_leader): Ditto.
 694         (bitmap_set_subtract_from_value_set): Ditto.
 695         (value_insert_into_set): Ditto.
 696         (print_value_set): Ditto.
 697         (debug_value_set): Ditto.
 698         (constant_expr_p): New function.
 699         (bitmap_remove_from_set): Ditto.
 700         (bitmap_insert_into_set): Ditto.
 701         (bitmap_set_free): Ditto.
 702         (vh_compare): Ditto.
 703         (sorted_array_from_bitmap_set): Ditto.
 704         (bitmap_set_subtract): Ditto.
 705         (bitmap_set_equal): Ditto.
 706         (debug_bitmap_set): Ditto.
 707         (find_leader_in_sets): Ditto.
 708         (bitmap_set_replace_value): Modify for bitmapped sets.
 709         (phi_translate): Ditto.
 710         (phi_translate_set): Ditto.
 711         (bitmap_find_leader): Ditto.
 712         (valid_in_sets): Ditto.
 713         (union_contains_value): Ditto.
 714         (clean): Ditto.
 715         (compute_antic_aux): Ditto.  Mark changed blocks.
 716         (compute_antic): Ditto. Iterate in postorder and only over
 717         changing blocks.
 718         (compute_rvuse_and_antic_safe): Reuse postorder.
 719         (create_component_ref_by_pieces): Modify for bitmapped sets.
 720         (find_or_generate_expression): Ditto.
 721         (create_expression_by_pieces): Ditto.
 722         (insert_into_preds_of_block): Ditto.
 723         (changed_blocks): New variable.
 724         (do_regular_insertion): Broken out from insert_aux.
 725         (insert_aux): Modified for bitmapped sets.
 726         (find_existing_value_expr): New function.
 727         (create_value_expr_from): Use it.
 728         (insert_extra_phis): Removed.
 729         (print_bitmap_set): Renamed from bitmap_print_value_set.
 730         (compute_avail): Handle RETURN_EXPR.
 731         (init_pre): Modify for bitmapped sets.
 732         * tree-flow.h (has_stmt_ann): New function.
 733
 734 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 735
 736         * builtins.c (fold_builtin_floor): Check for the availability of
 737         the C99 trunc function before transforming floor into trunc.
 738
 739 2006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 740
 741         * builtins.c (fold_builtin_hypot): Rearrange recursive
 742         transformation before others, and also do ABS_EXPR.  When
 743         necessary, check flag_unsafe_math_optimizations.  When necessary,
 744         add fabs.
 745
 746 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 747
 748         * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
 749         Fold ~X op C as X op' ~C, where op' is the swapped comparison.
 750         (fold_binary): ~X eq/ne C is now handled in fold_comparison.
 751         Fold -X eq/ne -Y as X eq/ne Y.
 752
 753 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 754
 755         * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
 756         GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
 757         rather than GENERATE_MULT3_SI in the various define_peephole2s.
 758         (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
 759         Use an inclusive test for "mult" rather than "mul".
 760         (rotr<mode>3): Depend on ISA_HAS_ROR.
 761         * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
 762         ISA_HAS_MUL3.
 763         (GENERATE_MULT3_DI): Delete.
 764         (ISA_HAS_64BIT_REGS): Use consistent formatting.
 765         (ISA_HAS_MUL3): New macro.
 766         (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
 767         (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
 768         (ISA_HAS_CLZ_CLO): Likewise.
 769         (ISA_HAS_DCLZ_DCLO): Delete.
 770         (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
 771         (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
 772         the VR4120 and VR4130.
 773         (ISA_HAS_MACCHI): Use consistent formatting.
 774         (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
 775         (ISA_HAS_ROR): ...this new macro.
 776         (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
 777         (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
 778         (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
 779
 780 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 781
 782         PR tree-optimization/15458
 783         * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
 784         is a constant.
 785
 786 2006-10-29  Richard Guenther  <rguenther@suse.de>
 787
 788         * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
 789         (ix86_expand_truncdf_32): Likewise.
 790         * config/i386/i386.c (ix86_expand_trunc): New function expanding
 791         trunc inline for SSE math and -fno-trapping-math and if not
 792         optimizing for size.
 793         (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
 794         * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
 795         for expanding btrunc inline for SSE math.
 796
 797 2006-10-29  Joseph Myers  <joseph@codesourcery.com>
 798
 799         * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
 800         Handle tuning for bi-arch i[34567]86-*-linux* like that for
 801         i[34567]86-*-solaris2.1[0-9]*.
 802         * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
 803         Define conditionally depending on TARGET_64BIT_DEFAULT.
 804         (SPEC_32, SPEC_64): Define.
 805         (LINK_SPEC): Use them.
 806         * doc/install.texi (--enable-targets=all): Document for x86-linux.
 807
 808 2006-10-29  Richard Guenther  <rguenther@suse.de>
 809
 810         * config/i386/i386-protos.h (ix86_expand_round): Declare.
 811         (ix86_expand_rounddf_32): Likewise.
 812         * config/i386/i386.c (ix86_expand_round): New function expanding
 813         round inline for SSE math and -fno-trapping-math and if not
 814         optimizing for size.
 815         (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
 816         * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
 817         round via ix86_expand_round.
 818
 819 2006-10-29  Richard Guenther  <rguenther@suse.de>
 820
 821         * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
 822         (ix86_expand_floorceildf_32): Likewise.
 823         * config/i386/i386.c (ix86_expand_sse_compare_mask): New
 824         static helper function.
 825         (ix86_expand_floorceil): Expander for floor and ceil to SSE
 826         math.
 827         (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
 828         * config/i386/i386.md (floordf2): Adjust to enable floor
 829         expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
 830         -fno-trapping-math is enabled and if not optimizing for size.
 831         (floorsf2, ceildf2, ceilsf2): Likewise.
 832         * config/i386/sse.md (sse_maskcmpsf3): New insn.
 833         (sse2_maskcmpdf3): Likewise.
 834
 835 2006-10-29  Richard Guenther  <rguenther@suse.de>
 836
 837         * builtins.c (expand_builtin_mathfn): Expand nearbyint as
 838         rint in case -fno-trapping-math is enabled.
 839         * config/i386/i386-protos.h (ix86_expand_rint): Declare.
 840         * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
 841         (ix86_expand_sse_fabs): Likewise.
 842         (ix86_expand_rint): New function expanding rint to x87 or SSE math.
 843         * config/i386/i386.md (rintdf2): Enable for SSE math if
 844         -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
 845         (rintsf2): Likewise.
 846
 847 2006-10-29  Richard Guenther  <rguenther@suse.de>
 848
 849         * genopinit.c (optabs): Change lfloor_optab and lceil_optab
 850         to conversion optabs.
 851         * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
 852         as conversion optab.
 853         * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
 854         (enum convert_optab_index): Add COI_lfloor and COI_lceil.
 855         (lfloor_optab, lceil_optab): Adjust defines.
 856         * builtins.c (expand_builtin_int_roundingfn): Adjust for
 857         lfloor and lceil optabs now being conversion optabs.
 858         * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
 859         * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
 860         New static helper function.
 861         (ix86_expand_lfloorceil): New function to expand lfloor and
 862         lceil inline.
 863         * config/i386/i386.md (lfloor<mode>2): Split into ...
 864         (lfloorxf<mode>2): ... x87 variant
 865         (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
 866         using ix86_expand_lfloorceil.
 867         (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
 868         Likewise.
 869         * doc/md.texi (lfloorMN, lceilMN): Document.
 870
 871 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 872
 873         * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
 874         -mno-shared assembler option on mips targets.
 875         * configure, config.in: Regenerate.
 876         * config/mips/linux.h (NO_SHARED_SPECS): New macro.
 877         (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
 878         * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
 879
 880 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 881
 882         * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
 883         as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
 884
 885 2006-10-29  Kazu Hirata  <kazu@codesourcery.com>
 886
 887         * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
 888         config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
 889         comment typos.
 890
 891 2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 892
 893         PR middle-end/29335
 894         * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
 895         (fold_builtin_pow): Evaluate constant arguments at compile-time
 896         using MPFR.
 897         (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
 898         (do_mpfr_ckconv): New helper function.
 899         (do_mpfr_arg1): Use do_mpfr_ckconv.
 900         (do_mpfr_arg2): New.
 901
 902 2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 903
 904         PR tree-opt/29271
 905         * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
 906         (-fdump-rtl-sched): Rename to ..
 907         (-fdump-rtl-sched1): here.  Also fix file extension number.
 908
 909 2006-10-28  Richard Guenther  <rguenther@suse.de>
 910
 911         * fold-const.c (maybe_canonicalize_comparison): Fix code
 912         to match comment.
 913
 914 2006-10-28  Uros Bizjak  <uros@kss-loka.si>
 915
 916         * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
 917         (NON_QI_REG_P): Use IN_RANGE.
 918         (REX_INT_REGNO_P): Use IN_RANGE.
 919         (FP_REGNO_P): Use IN_RANGE.
 920         (SSE_REGNO_P): Use IN_RANGE.
 921         (REX_SSE_REGNO_P): Use IN_RANGE.
 922         (MMX_REGNO_P): Use IN_RANGE.
 923         (STACK_REGNO_P): New macro.
 924         (STACK_REG_P): Use STACK_REGNO_P.
 925         (NON_STACK_REG_P): Use STACK_REGNO_P.
 926         (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
 927         (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
 928         (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
 929         (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
 930         (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
 931
 932 2006-10-28  Eric Botcazou  <ebotcazou@adacore.com>
 933
 934         * except.h (output_function_exception_table): Add 'const char*' param.
 935         * except.c (switch_to_exception_section): Add 'const char*' param.
 936         If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
 937         and flag_function_sections is set, use a function-specific section.
 938         (output_function_exception_table): Add 'const char*' param.
 939         Adjust call to switch_to_exception_section.
 940         * final.c (rest_of_handle_final): Adjust calls to
 941         output_function_exception_table.
 942         * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
 943         * config.in: Regenerate.
 944         * configure: Likewise.
 945
 946 2006-10-28  Richard Guenther  <rguenther@suse.de>
 947
 948         PR middle-end/26899
 949         * fold-const.c (maybe_canonicalize_comparison_1): Helper
 950         for maybe_canonicalize_comparison.
 951         (maybe_canonicalize_comparison): New function for canonicalizing
 952         comparison trees.
 953         (fold_comparison): Call it to canonicalize comparisons with
 954         constants involved.
 955
 956 2006-10-28  Richard Guenther  <rguenther@suse.de>
 957
 958         PR target/28806
 959         * builtins.c (expand_builtin_int_roundingfn_2): Expand
 960         BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
 961         (expand_builtin): Adjust likewise.
 962         * genopinit.c (optabs[]): Add lround optab.
 963         * optabs.c (init_optabs): Initialize lround_optab.
 964         * optabs.h (enum convert_optab_index): Add COI_lround.
 965         (lround_optab): Define.
 966         * config/i386/i386-protos.h (ix86_expand_lround): Declare.
 967         * config/i386/i386.c (ix86_sse_copysign_to_positive): New
 968         static function.
 969         (ix86_expand_lround): New function.
 970         * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
 971         New expanders.
 972         * doc/md.texi (lroundMN2): Document.
 973
 974 2006-10-28 Uros Bizjak <uros@kss-loka.si>
 975
 976         PR target/29377
 977         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
 978         argument to HOST_WIDE_INT.  Update function prototype.
 979         (round_frame_size): Change return type to HOST_WIDE_INT.  Change
 980         "size" argument to HOST_WIDE_INT.  Update function prototype.
 981
 982 2006-10-28 Uros Bizjak <uros@kss-loka.si>
 983
 984         * config/i386/i386.c (output_387_ffreep): Create output from a
 985         template string for !HAVE_AS_IX86_FFREEP.
 986
 987 2006-10-27  Eric Christopher  <echristo@apple.com>
 988
 989         * config/darwin.c: Fix formatting and grammar.
 990
 991 2006-10-27  Jan Hubicka  <jh@suse.cz>
 992
 993         * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
 994         to be thrown away soon when IGNORE is set.
 995         * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
 996         indicating when return value shall not be computed.
 997         * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
 998
 999 2006-10-27  Vladimir Makarov  <vmakarov@redhat.com>
1000
1001         * config/i386/i386.h (TARGET_GEODE):
1002         (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1003         (TARGET_CPU_DEFAULT_geode): New macro.
1004         (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1005         TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1006         TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1007         TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1008         TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1009         the macro values.
1010         (TARGET_CPU_DEFAULT_NAMES): Add geode.
1011         (processor_type): Add PROCESSOR_GEODE.
1012
1013         * config/i386/i386.md: Include geode.md.
1014         (cpu): Add geode.
1015
1016         * config/i386/i386.c (geode_cost): New initialized global
1017         variable.
1018         (m_GEODE, m_K6_GEODE): New macros.
1019         (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1020         x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1021         x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1022         x86_schedule): Use m_K6_GEODE instead of m_K6.
1023         (x86_movx, x86_cmove): Set up m_GEODE.
1024         (x86_integer_DFmode_moves): Clear m_GEODE.
1025         (processor_target_table): Add entry for geode.
1026         (processor_alias_table): Ditto.
1027
1028         * config/i386/geode.md: New file.
1029
1030         * doc/invoke.texi: Add entry about geode processor.
1031
1032 2006-10-27  Mike Stump  <mrs@apple.com>
1033
1034         * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1035         __DYNAMIC__ from here back to ...
1036         * config/darwin.h (CPP_SPEC): ... here.
1037
1038 2006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
1039             Nathan Sidwell  <nathan@codesourcery.com>
1040
1041         * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1042         when choosing the minimum heapsize.
1043
1044 2006-10-26  Nathan Froyd <froydnj@codesourcery.com>
1045
1046         * gcc/unwind-dw2.h: Move cfa-related variables into
1047         struct frame_state_reg_info to ensure that the CFA is properly
1048         handled when executing DW_CFA_{remember,restore}_state.
1049         * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1050         gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1051         gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1052         gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1053         gcc/config/rs6000/linux-unwind.h,
1054         gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1055         gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1056         Modify to use new cfa_* fields.
1057
1058 2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1059
1060         * config/s390/s390.c (s390_init_frame_layout): Check positive
1061         frame_size.
1062
1063 2006-10-26  Ben Elliston  <bje@au.ibm.com>
1064
1065         * gimplify.c (get_name): Remove extraneous break.
1066         (gimplify_omp_for): Initialise ret with GS_OK.
1067
1068 2006-10-25  Steve Ellcey  <sje@cup.hp.com>
1069
1070         * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1071         Add unix98.o to link line.
1072
1073 2006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1074
1075         PR middle-end/29335
1076         * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1077         Calculate compile-time constants using MPFR.
1078         (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1079         BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1080
1081 2006-10-25  Bob Wilson  <bob.wilson@acm.org>
1082
1083         * config/xtensa/lib2funcs.S: Use C-style comments.
1084
1085 2006-10-24  Nathan Froyd  <froydnj@codesourcery.com>
1086
1087         * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1088         (file_table_relative_p): Likewise.
1089         (dwarf2out_finish): Likewise.
1090         (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1091
1092 2006-10-25  Daniel Berlin  <dberlin@dberlin.org>
1093
1094         * tree-ssa-structalias.c (intra_create_variable_infos):
1095           Don't recreate nonlocal_all if it already exists.
1096
1097 2006-10-25  Richard Guenther  <rguenther@suse.de>
1098
1099         PR target/28803
1100         * optabs.h (enum optab_index): Remove OTI_lrint.
1101         (enum convert_optab_index): Add COI_lrint.
1102         (lrint_optab): Adjust.
1103         (expand_sfix_optab): Declare.
1104         * optabs.c (expand_sfix_optab): New function.
1105         (init_optabs): Init lrint_optab as conversion optab.
1106         * genopinit.c (lrint_optab): Change to a conversion optab.
1107         * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1108         expansion via conversion optab.
1109         * config/i386/i386.md (*fistdi2_1): Remove
1110         flag_unsafe_math_optimizations guard.
1111         (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1112         fist<mode>2_with_temp): Likewise.
1113         (lrint<mode>2): Split into...
1114         (lrintxf<mode>2): ... x87 part
1115         (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1116         * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1117         sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1118         UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1119         * doc/md.texi (lrintMN2): Document.
1120
1121 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
1122
1123         PR target/28909
1124         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1125         Use inc and dec instructions for TARGET_USE_INCDEC.
1126         ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1127         ("sync_double_compare_and_swap<mode>"): Likewise.
1128         ("*sync_double_compare_and_swapdi_pic"): Likewise.
1129         ("*sync_compare_and_swap_cc<mode>"): Likewise.
1130         ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1131         ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1132         ("sync_old_add<mode>"): Likewise.
1133         ("sync_lock_test_and_set<mode>"): Likewise.
1134         ("sync_lock_test_and_set<mode>"): Likewise.
1135         ("sync_add<mode>"): Likewise.
1136         ("sync_sub<mode>"): Likewise.
1137         ("sync_ior<mode>"): Likewise.
1138         ("sync_and<mode>"): Likewise.
1139         ("sync_xor<mode>"): Likewise.
1140
1141 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
1142
1143         * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1144         (remainder_optab): Define corresponding macro.
1145         (drem_optab): Remove.
1146         * optabs.c (init_optabs): Initialize remainder_optab.  Remove
1147         drem_optab initialization.
1148         * genopinit.c (optabs): Implement remainder_optab using
1149         remainder?f3 patterns.  Remove drem_optab.
1150         * builtins.c (expand_builtin_mathfn_2): Handle
1151         BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1152         (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1153         expand_builtin_mathfn_2.
1154
1155         (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1156         depend on flag_unsafe_math_optimizations.
1157
1158         * config/i386/i386.md ("remaindersf3", "remainderdf3")
1159         ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1160         Do not depend on flag_unsafe_math_optimizations.  Use
1161         truncxf?f expander instead of truncxf?f_i387_noop.
1162
1163         ("fpremxf4", "fprem1xf4"): Do not depend on
1164         flag_unsafe_math_optimizations.
1165         ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1166         flag_unsafe_math_optimizations.  Use truncxf?f expander
1167         instead of truncxf?f_i387_noop.
1168
1169         * doc/md.texi (fmod, remainder): Document standard named pattern.
1170
1171 2006-10-24  Richard Sandiford  <richard@codesourcery.com>
1172             David Daney  <ddaney@avtrex.com>
1173
1174         PR middle-end/29519
1175         * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
1176
1177 2006-10-25  Ben Elliston  <bje@au.ibm.com>
1178
1179         * doc/extend.texi (Variable Attributes): Typo fix.
1180
1181 2006-10-24  Uros Bizjak  <uros@kss-loka.si>
1182
1183         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1184         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1185         (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1186         (FRAME_POINTER_REGNUM): Update register number to 21.
1187         (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1188         (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1189
1190         * config/i386/i386.c (regclass_map): Add fpcr entry.
1191         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1192         Add fpcr entry.
1193         (print_reg): Assert REGNO (x) != FPCR_REG.
1194
1195         * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1196         (DIRFLAG_REG): Renumber.
1197         (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1198         (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1199         (sse_prologue_save, *sse_prologue_save_insn): Renumber
1200         hardcoded SSE register numbers.
1201
1202         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1203         hardcoded MMX register numbers.
1204
1205 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1206
1207         PR middle-end/29335
1208         * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1209         (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1210         Update all callers.
1211         (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1212         (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1213         BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1214         BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1215
1216 2006-10-24  Richard Guenther  <rguenther@suse.de>
1217
1218         PR middle-end/28796
1219         * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1220         and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1221         for deciding optimizations in consistency with fold-const.c
1222         (fold_builtin_unordered_cmp): Likewise.
1223
1224 2006-10-24  Richard Guenther  <rguenther@suse.de>
1225
1226         * builtins.c (fold_builtin_floor): Fold floor (x) where
1227         x is nonnegative to trunc (x).
1228         (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1229         nonnegative to FIX_TRUNC_EXPR.
1230
1231 2006-10-24  Richard Guenther  <rguenther@suse.de>
1232
1233         PR tree-optimization/29567
1234         * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1235         for TRUTH_NOT_EXPR.  Clarify comments.
1236
1237 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1238
1239         PR middle-end/29335
1240         * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1241         at compile-time using MPFR.  Change parameter VALUE to FUNC,
1242         update all callers.
1243         (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
1244         for overflow and underflow at all times and avoid folding in
1245         those cases.
1246
1247 2006-10-24  Ben Elliston  <bje@au.ibm.com>
1248
1249         * reload1.c: Formatting fixes.
1250
1251 2006-10-23  Zdenek Dvorak <dvorakz@suse.cz>
1252
1253         PR tree-optimization/14784
1254         * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1255         * tree-ssa-structalias.c (get_constraint_for,
1256         intra_create_variable_infos): Set is_heapvar.
1257         * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1258         non-heapvar pointer variables specially.
1259
1260 2006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1261
1262         PR middle-end/29335
1263         * builtins.c (fold_builtin_sin, fold_builtin_cos,
1264         fold_builtin_tan): Fold all constant arguments.  Take a "type"
1265         argument as necessary.
1266         (do_mpfr_arg1): New.
1267         * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1268
1269 2006-10-23  Bob Wilson  <bob.wilson@acm.org>
1270
1271         * config/xtensa/lib1funcs.asm: Use C-style comments.
1272
1273 2006-10-23 Rafael Avila de Espindola  <rafael.espindola@gmail.com>
1274
1275         * tree.c (local_define_builtin): Replace calls to
1276         lang_hooks.builtin_function with add_builtin_function.
1277         * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1278         c_builtin_function.
1279         * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1280         the signature.
1281         * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1282         common code to add_builtin_function.
1283         * langhooks.c (add_builtin_function): New function.
1284         (lhd_builtin_function): New function.
1285         * langhooks.h (struct lang_hooks): Change the signature of
1286         builtin_function.
1287         (add_builtin_function): New function.
1288         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1289         calls to lang_hooks.builtin_function with add_builtin_function.
1290         * c-common.c (decl_builtin_1): Replace calls to
1291         lang_hooks.builtin_function with add_builtin_function.
1292         * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1293         lang_hooks.builtin_function with add_builtin_function.
1294         * config/frv/frv.c (def_builtin): Replace calls to
1295         lang_hooks.builtin_function with add_builtin_function.
1296         * config/s390/s390.c (s390_init_builtins): Replace calls to
1297         lang_hooks.builtin_function with add_builtin_function.
1298         * config/sparc/sparc.c (def_builtin): Replace calls to
1299         lang_hooks.builtin_function with add_builtin_function.
1300         * config/i386/i386.c (def_builtin): Replace calls to
1301         lang_hooks.builtin_function with add_builtin_function.
1302         * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1303         lang_hooks.builtin_function with add_builtin_function.
1304         * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1305         lang_hooks.builtin_function with add_builtin_function.
1306         * config/stormy16/stormy16.c (xstormy16_init_builtins):
1307         Replace calls to lang_hooks.builtin_function with
1308         add_builtin_function.
1309         * config/iq2000/iq2000.c (def_builtin):
1310         Replace calls to lang_hooks.builtin_function with
1311         add_builtin_function.
1312         * config/ia64/ia64.c (def_builtin): Replace calls to
1313         lang_hooks.builtin_function with add_builtin_function.
1314         * config/rs6000/rs6000.c (def_builtin): Replace calls to
1315         lang_hooks.builtin_function with add_builtin_function.
1316         (altivec_init_builtins): Replace calls to
1317         lang_hooks.builtin_function with add_builtin_function.
1318         * config/arm/arm.c (def_mbuiltin): Replace calls to
1319         lang_hooks.builtin_function with add_builtin_function.
1320         (arm_init_tls_builtins): Replace calls to
1321         lang_hooks.builtin_function with add_builtin_function.
1322         * config/mips/mips.c (mips_init_builtins): Replace calls to
1323         lang_hooks.builtin_function with add_builtin_function.
1324         * config/bfin/bfin.c (def_builtin): Replace calls to
1325         lang_hooks.builtin_function with add_builtin_function.
1326         * langhooks-def.h (lhd_builtin_function): New function.
1327         (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1328
1329 2006-10-23  Jakub Jelinek  <jakub@redhat.com>
1330
1331         * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1332         BUILT_IN_STRNCAT_CHK.
1333
1334 2006-10-23  Jan Hubicka  <jh@suse.cz>
1335
1336         * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1337         don't do conversion from memmove to memcpy here.
1338         (expand_builtin_bcopy, expand_builtin): Update call of
1339         expand_builtin_memmove.
1340         (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1341
1342 2006-10-23  Paul Brook  <paul@codesourcery.com>
1343
1344         * stor-layout.c (start_record_layout): maximum_field_alignment
1345         overrides STRUCTURE_SIZE_BOUNDARY.
1346
1347 2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>
1348
1349         * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1350         nonlocal function symbols if flag_pic.
1351
1352 2006-10-23  Richard Guenther  <rguenther@suse.de>
1353
1354         PR middle-end/27132
1355         PR middle-end/23295
1356         * builtins.c (fold_binary): Remove checks for flag_wrapv
1357         and flag_trapv where negate_expr_p covers these cases.
1358
1359 2006-10-23  Richard Guenther  <rguenther@suse.de>
1360
1361         PR middle-end/29548
1362         * fold-const.c (fold_plusminus_mult_expr): Check exact power
1363         of two on the absolute value.
1364         (fold_binary): Fold x * -C to -x * C if x is easily negatable
1365         and negating -C does not overflow.
1366
1367 2006-10-23  Richard Guenther  <rguenther@suse.de>
1368
1369         PR middle-end/21032
1370         * convert.c (convert_to_real): Fold (float)-x to -(float)x
1371         only if not flag_rounding_math.
1372
1373 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
1374             Kaz Kojima  <kkojima@gcc.gnu.org>
1375
1376         PR target/28232
1377         * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1378         SImode memory reference for the source of a movua.
1379         * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1380         (movua): Use an unspec instead of sign_extract.  Expect the source
1381         to have mode BLKmode.
1382         (extv, insv): Use a BLKmode rather than SImode memory reference
1383         for the source of a movua.
1384
1385 2006-10-22  Jeff Law  <law@redhat.com>
1386         Richard Guenther  <rguenther@suse.de>
1387
1388         PR tree-optimization/15911
1389         * tree-vrp.c (extract_code_and_val_from_cond): New function.
1390         (register_edge_assert_for_1): Likewise.
1391         (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1392         (find_conditional_asserts): Adjust for new function signature.
1393         (find_assert_locations): Likewise.
1394
1395 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
1396
1397         * config/i386/tmmintrin.h: Remove the duplicated content.
1398
1399 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
1400
1401         * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1402         (x86_64-*-*): Likewise.
1403
1404         * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1405         (override_options): Check SSSE3.
1406         (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1407         IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1408         IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1409         IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1410         IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1411         IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1412         IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1413         IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1414         IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1415         IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1416         IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1417         IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1418         IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1419         IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1420         IX86_BUILTIN_PABSD128.
1421         (bdesc_2arg): Add SSSE3.
1422         (bdesc_1arg): Likewise.
1423         (ix86_init_mmx_sse_builtins): Support SSSE3.
1424         (ix86_expand_builtin): Likewise.
1425         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1426
1427         * config/i386/i386.md (UNSPEC_PSHUFB): New.
1428         (UNSPEC_PSIGN): Likewise.
1429         (UNSPEC_PALIGNR): Likewise.
1430         Include mmx.md before sse.md.
1431
1432         * config/i386/i386.opt: Add -mssse3.
1433
1434         * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1435         (ssse3_phaddwv4hi3): Likewise.
1436         (ssse3_phadddv4si3): Likewise.
1437         (ssse3_phadddv2si3): Likewise.
1438         (ssse3_phaddswv8hi3): Likewise.
1439         (ssse3_phaddswv4hi3): Likewise.
1440         (ssse3_phsubwv8hi3): Likewise.
1441         (ssse3_phsubwv4hi3): Likewise.
1442         (ssse3_phsubdv4si3): Likewise.
1443         (ssse3_phsubdv2si3): Likewise.
1444         (ssse3_phsubswv8hi3): Likewise.
1445         (ssse3_phsubswv4hi3): Likewise.
1446         (ssse3_pmaddubswv8hi3): Likewise.
1447         (ssse3_pmaddubswv4hi3): Likewise.
1448         (ssse3_pmulhrswv8hi3): Likewise.
1449         (ssse3_pmulhrswv4hi3): Likewise.
1450         (ssse3_pshufbv16qi3): Likewise.
1451         (ssse3_pshufbv8qi3): Likewise.
1452         (ssse3_psign<mode>3): Likewise.
1453         (ssse3_psign<mode>3): Likewise.
1454         (ssse3_palignrti): Likewise.
1455         (ssse3_palignrdi): Likewise.
1456         (abs<mode>2): Likewise.
1457         (abs<mode>2): Likewise.
1458
1459         * config/i386/tmmintrin.h: New file.
1460
1461         * doc/extend.texi: Document SSSE3 built-in functions.
1462
1463         * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1464
1465 2006-10-22  Ira Rosen  <irar@il.ibm.com>
1466
1467         * tree-vect-transform.c (vectorizable_load): Use the type of the
1468         return value of the mask_for_load builtin to create realign_load
1469         stmt.
1470
1471 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
1472
1473         * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1474         expressions.
1475
1476 2006-10-21  H.J. Lu  <hongjiu.lu@intel.com>
1477
1478         * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1479         (UNSPEC_LDDQU): This.
1480         * config/i386/sse.md (sse3_lddqu): Updated.
1481
1482 2006-10-21  Richard Guenther  <rguenther@suse.de>
1483
1484         * builtins.c (expand_builtin_int_roundingfn_2): New function.
1485         (expand_builtin): Use it to expand lrint instead of
1486         expand_builtin_mathfn.
1487
1488 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1489
1490         PR middle-end/28252
1491         * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1492         flag_unsafe_math_optimizations is set.
1493
1494 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1495
1496         PR target/19398
1497         * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1498         patterns to use memory input operand in x87->mem->XMM
1499         reload sequences.  Skip transformation for TARGET_K8.
1500
1501 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1502
1503         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1504         force operand1 to register if both operands are memory operands.
1505         (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1506         (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1507         if both operands are memory operands.
1508         (truncdfsf2): Do not force operand1 to register if both operands
1509         are memory operands.
1510
1511 2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1512
1513         * Makefile.in (LIBS): Add $(GMPLIBS).
1514         * doc/install.texi: Update GMP and MPFR requirements.
1515         * doc/sourcebuild.texi (need_gmp): Delete.
1516
1517 2006-10-21  Richard Guenther  <rguenther@suse.de>
1518
1519         PR tree-optimization/3511
1520         * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1521         got new invariant arguments during PHI translation.
1522
1523 2006-10-21  Richard Guenther  <rguenther@suse.de>
1524
1525         PR middle-end/26898
1526         * fold-const.c (fold_comparison): Fold signed comparisons
1527         of the form X +- C1 CMP Y +- C2.
1528
1529 2006-10-21  Richard Guenther  <rguenther@suse.de>
1530
1531         PR target/19116
1532         * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1533         if flag_unsafe_math_optimizations is specified.  We have
1534         flag_finite_math_only for that.
1535         * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1536         or flag_unsafe_math_optimizations.
1537
1538 2006-10-21  Richard Guenther  <rguenther@suse.de>
1539
1540         * builtins.c (fold_builtin_classify): Fix typo.
1541
1542 2006-10-21  Richard Guenther  <rguenther@suse.de>
1543
1544         PR middle-end/28796
1545         * simplify-rtx.c (simplify_const_relational_operation):
1546         Do not constant-fold ORDERED and UNORDERED for
1547         flag_unsafe_math_optimizations but only we do not need to
1548         honor NaNs for the given mode.
1549
1550 2006-10-21  Richard Guenther  <rguenther@suse.de>
1551
1552         PR target/29512
1553         * config/i386/i386.c (classify_argument): Remove redundant
1554         walking of the BINFOs.
1555         (contains_128bit_aligned_vector_p): Likewise.
1556
1557 2006-10-20  Mark Mitchell  <mark@codesourcery.com>
1558
1559         * BASE-VER: Set to 4.3.0.
1560
1561 2006-10-20  Daniel Berlin  <dberlin@dberlin.org>
1562
1563         * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1564         (tree_decl_with_vis): Remove artificial_pta_var flag.
1565         * tree-flow.h (referenced_var_check_and_insert): Expose.
1566         (nonlocal_all): New prototype.
1567         * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1568         (nonlocal_all): Make global.
1569         (nonlocal_lookup): Remove.
1570         (nonlocal_insert): Ditto.
1571         (create_nonlocal_var): Do not call nonlocal_insert.
1572         (get_nonlocal_id_for_type): Remove.
1573         (find_global_initializers): Mark new vars we find for renaming.
1574         (intra_create_variable_infos): Only create one nonlocal.
1575         (expand_nonlocal_solutions): Remove.
1576         (compute_points_to_sets): Don't call it.
1577         (ipa_pta_execute): Ditto.
1578         (init_alias_heapvars): Don't create nonlocal_for_type.
1579         (delete_alias_heapvars): Don't remove it.
1580         * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1581         nonlocal_all.
1582
1583 2006-10-19  Brooks Moses  <bmoses@stanford.edu>
1584
1585         * doc/install.texi (Downloading GCC): Clarify mention of
1586         Fortran in the "full distribution" description.
1587
1588 2006-10-19  Daniel Berlin  <dberlin@dberlin.org>
1589
1590         Fix PR tree-optimization/28778
1591         Fix PR tree-optimization/29156
1592         Fix PR tree-optimization/29415
1593         * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1594         (tree_decl_with_vis): Add artificial_pta_var flag.
1595         * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1596         pushed into callers.
1597         * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1598         (nonlocal_all): Ditto.
1599         (struct variable_info): Add directly_dereferenced member.
1600         (var_escaped_vars): New variable.
1601         (escaped_vars_tree): Ditto.
1602         (escaped_vars_id): Ditto.
1603         (nonlocal_vars_id): Ditto.
1604         (new_var_info): Set directly_dereferenced.
1605         (graph_size): New variable
1606         (build_constraint_graph): Use graph_size.
1607         (solve_graph): Don't process constraints that cannot change the
1608         solution, don't try to propagate an empty solution to our
1609         successors.
1610         (process_constraint): Set directly_dereferenced.
1611         (could_have_pointers): New function.
1612         (get_constraint_for_component_ref): Don't process STRING_CST.
1613         (nonlocal_lookup): New function.
1614         (nonlocal_insert): Ditto.
1615         (create_nonlocal_var): Ditto.
1616         (get_nonlocal_id_for_type): Ditto.
1617         (get_constraint_for): Allow results vector to be empty in the case
1618         of string constants.
1619         Handle results of calls properly.
1620         (update_alias_info): Update alias info stats on number and type of
1621         calls.
1622         (find_func_aliases): Use could_have_pointers.
1623         (make_constraint_from_escaped): Renamed from
1624         make_constraint_to_anything, and changed to make constraints from
1625         escape variable.
1626         (make_constraint_to_escaped): New function.
1627         (find_global_initializers): Ditto.
1628         (create_variable_info_for): Make constraint from escaped to any
1629         global variable, and from any global variable to the set of
1630         escaped vars.
1631         (intra_create_variable_infos): Deal with escaped instead of
1632         pointing to anything.
1633         (set_uids_in_ptset): Do type pruning on directly dereferenced
1634         variables.
1635         (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1636         (init_base_vars): Fix comment, and initialize escaped_vars.
1637         (need_to_solve): Removed.
1638         (find_escape_constraints): New function.
1639         (expand_nonlocal_solutions): Ditto.
1640         (compute_points_to_sets): Call find_escape_constraints and
1641         expand_nonlocal_solutions.
1642         (delete_points_to_sets): Don't fall off the end of the graph.
1643         (init_alias_heapvars): Initialize nonlocal_for_type and
1644         nonlocal_all.
1645         (delete_alias_heapvars): Free nonlocal_for_type and null out
1646         nonlocal_all.
1647
1648 2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>
1649
1650         * fold-const.c (add_double): Rename to add_double_with_sign.
1651         Add 'unsigned_p' parameter and take it into account for the overflow.
1652         (mul_double): Rename to mul_double_with_sign.
1653         Add 'unsigned_p' parameter and take it into account for the overflow.
1654         (fold_div_compare): Call add_double_with_sign instead of add_double
1655         and mul_double_with_sign instead of mul_double, passing them the
1656         unsignedness of the type.
1657         * tree.h (add_double): Macroize.
1658         (add_double_with_sign): New prototype.
1659         (mul_double): Macroize.
1660         (mul_double_with_sign): New prototype.
1661
1662 2006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>
1663
1664         * config/score/crti.asm: New file.
1665         * config/score/crtn.asm: New file.
1666         * config/score/elf.h: New file.
1667         * config/score/mac.md: New file.
1668         * config/score/misc.md: New file.
1669         * config/score/mul-div.S: New file.
1670         * config/score/predicates.md: New file.
1671         * config/score/score7.md: New file.
1672         * config/score/score.c: New file.
1673         * config/score/score-conv.h: New file.
1674         * config/score/score.h: New file.
1675         * config/score/score.md: New file.
1676         * config/score/score-mdaux.c: New file.
1677         * config/score/score-mdaux.h: New file.
1678         * config/score/score-modes.def: New file.
1679         * config/score/score.opt: New file.
1680         * config/score/score-protos.h: New file.
1681         * config/score/score-version.h: New file.
1682         * config/score/t-score-elf: New file.
1683         * config.gcc: Add score*-*-* configurations(Update before).
1684         * doc/invoke.texi (Score Options): New section.
1685         * doc/md.texi (Score family): New section to document constraints.
1686
1687 2006-10-19  Nick Clifton  <nickc@redhat.com>
1688
1689         * config/arm/arm.c: Fix spelling typo.
1690
1691 2006-10-18  Tom Tromey  <tromey@redhat.com>
1692
1693         * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1694
1695 2006-10-18  Jan Hubicka  <jh@suse.cz>
1696
1697         PR middle-end/29299
1698         * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1699         are used.
1700
1701 2006-10-18  Marcin Dalecki  <martin@dalecki.de>
1702
1703         * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1704         TSI_SAME_STMT, since that's the desired entity.
1705
1706 2006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>
1707
1708         * config/s390/contraints.md: New file.
1709         * config/s390/s390-protos.h (s390_mem_constraint,
1710         s390_O_constraint_str, s390_N_constraint_str,
1711         s390_float_const_zero_p): Function prototypes added.
1712         * config/s390/s390.c (s390_extra_constraint_str,
1713         s390_const_double_ok_for_constraint_p,
1714         s390_const_ok_for_constraint_p): Functions removed.
1715         (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1716         s390_float_const_zero_p): New functions.
1717         * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1718         CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1719         EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1720         Macro definitions removed.
1721         (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1722         s390_extra_constraint_str): Functions removed.
1723
1724 2006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
1725             Richard Sandiford  <richard@codesourcery.com>
1726
1727         PR target/29413
1728         * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1729         * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1730
1731 2006-10-16  Geoffrey Keating  <geoffk@apple.com>
1732
1733         * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1734         (DWARF2_FRAME_REG_OUT): Likewise.
1735         * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1736         (DWARF2_FRAME_REG_OUT): Likewise.
1737
1738 2006-10-17  Paul Brook  <paul@codesourcery.com>
1739
1740         * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1741
1742 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
1743
1744         * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1745         Standardize on "GNU Fortran" as the official name of the Fortran
1746         compiler.
1747
1748 2006-10-16  Mike Stump  <mrs@apple.com>
1749
1750         * doc/invoke.texi (Darwin Options): Document -mkernel.
1751         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1752         -mkernel support.
1753         (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
1754         SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1755         (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1756         (OS_MISSING_ALTIVEC): Add.
1757         * config/i386/i386.c (override_options): Add
1758         SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1759         * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1760         -mkernel, -static or -mdynamic-no-pic is given.
1761         (C_COMMON_OVERRIDE_OPTIONS): Add.
1762         * config/darwin.opt (fapple-kext): Add.
1763         (mkernel): Add.
1764         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1765         -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1766         -mkernel support.
1767         (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1768         (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1769         (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1770         (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1771         (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1772         (flag_mkernel): Add.
1773         (flag_apple_kext): Add.
1774         (TARGET_KEXTABI): Add.
1775         * config/darwin.c (darwin_handle_kext_attribute): Add.
1776         (DARWIN_VTABLE_P): Add.
1777         (darwin_binds_local_p): Add partial support for rebinding vtables
1778         in kexts.
1779         (darwin_kextabi_p): Add.
1780         (darwin_override_options): Add.
1781         * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1782         (darwin_kextabi_p): Add.
1783         (darwin_override_options): Add.
1784         * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1785         __DYNAMIC__ and __STATIC__ here.
1786
1787 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
1788
1789         * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1790         Added mention of "make pdf" target, and Texinfo requirements for
1791         same.
1792
1793 2006-10-16  DJ Delorie  <dj@redhat.com>
1794
1795         * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1796         into the GOT in case we need a subreg of the address.
1797
1798 2006-10-16  Richard Guenther  <rguenther@suse.de>
1799
1800         PR target/25519
1801         * doc/extend.texi (X86 Built-in Functions): Fix typos in
1802         SSE builtin documentation.  Document SSE2 builtins.
1803
1804 2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1805
1806         * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1807         symbol in the output file for non-shared links when -nostdlib or
1808         -nodefaultlibs isn't specified.
1809
1810         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1811         posix thread support.
1812
1813 2006-10-15  Jan Hubicka  <jh@suse.cz>
1814
1815         PR middle-end/29241
1816         * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1817         declared always_inline even when not inlining.
1818
1819 2006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
1820             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1821             Andrew Pinski  <pinskia@gmail.com>
1822
1823         PR middle-end/29111
1824         * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1825
1826 2006-10-15  Jan Hubicka  <jh@suse.cz>
1827             Richard Guenther  <rguenther@suse.de>
1828
1829         PR middle-end/29299
1830         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1831         process_function_and_variable_attributes on all variables, including
1832         those discovered during cgraph construction phase.
1833
1834 2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>
1835
1836         * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1837
1838 2006-10-14  Uros Bizjak  <uros@kss-loka.si>
1839
1840         * config/i386/athlon.md (athlon_fist): Add fisttp.
1841
1842 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
1843             Ian Lance Taylor  <ian@airs.com>
1844
1845         PR middle-end/29250
1846         * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1847         CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1848         recursing.
1849
1850 2006-10-14  Kazu Hirata  <kazu@codesourcery.com>
1851
1852         * config/score/score.c, config/score/score.h: Fix comment
1853         typos.
1854
1855 2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1856
1857         PR bootstrap/29402
1858         * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1859         shell pipeline.
1860
1861 2006-10-13  Eric Christopher  <echristo@apple.com>
1862
1863         * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1864
1865 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1866
1867         Revert this change:
1868         2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1869         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1870         alignment supported by 32-bit ELF.
1871
1872 2006-10-13  Eric Christopher  <echristo@apple.com>
1873
1874         * config/darwin.c (darwin_emit_unwind_label): Strip
1875         name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1876
1877 2006-10-13  Richard Guenther  <rguenther@suse.de>
1878
1879         PR tree-optimization/29446
1880         * tree-vrp.c (fix_equivalence_set): Remove.
1881         (extract_range_from_assert): Do not call fix_equivalence_set.
1882         (debug_value_range): Print a newline.
1883         (compare_name_with_value): For equivalence sets with
1884         inconsistent value ranges conservatively bail out.
1885         (compare_names): Likewise.
1886
1887 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
1888
1889         * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1890         and MPFR for gfortran.
1891
1892 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1893
1894         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1895         alignment supported by 32-bit ELF.
1896
1897 2006-10-13  Paolo Bonzini  <bonzini@gnu.org>
1898
1899         PR c/29092
1900
1901         * c-typeck.c (digest_init): Always allow initializing vectors
1902         that have static storage duration with compound literals.
1903         * tree.c (build_type_attribute_qual_variant): New, based on
1904         build_type_attribute_variant.
1905         (build_type_attribute_variant): Rewrite using the former.
1906         (make_vector_type): Use build_type_attribute_qual_variant to build
1907         type variants.  Use type_hash_canon on the others.
1908
1909 2006-10-13  Daniel Berlin <dberlin@dberlin.org>
1910             Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>
1911
1912         * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1913
1914 2006-10-12  Jan Hubicka  <jh@suse.cz>
1915
1916         PR c/28419
1917         * c-decl.c (c_make_fname_decl): Do not segfault in case where
1918         current_function_decl is set but current_function_scope is not.
1919
1920 2006-10-12  Jie Zhang  <jie.zhang@analog.com>
1921
1922         * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1923         emit_insn to emit eh_return_internal instruction.
1924         (eh_return_internal): Explicitly set pc.
1925
1926 2006-10-11  Richard Guenther  <rguenther@suse.de>
1927
1928         PR tree-optimization/28230
1929         * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1930         to the correct place.
1931
1932 2006-10-11  Richard Guenther  <rguenther@suse.de>
1933
1934         PR inline-asm/29119
1935         * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1936         addressable.
1937
1938 2006-10-10  Brooks Moses  <bmoses@stanford.edu>
1939
1940         * configure.ac: Added pdf to "Make-hooks"
1941         * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1942         targets and *.pdf file patterns in cleanup targets.
1943         * configure: Regenerated.
1944
1945 2006-10-10  Anatoly Sokolov <aesok@post.ru>
1946
1947         * config/avr/predicates.md: New file.
1948         * config/avr/avr.md: Include it.
1949         (REG_SP): New constant.
1950         (peepholes): Use predicates.
1951         (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1952         difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
1953         sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1954
1955 2006-10-10  Adam Nemet  <anemet@caviumnetworks.com>
1956
1957         * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1958         avoid alias set 0.
1959
1960 2006-10-10  Jakub Jelinek  <jakub@redhat.com>
1961
1962         PR middle-end/29272
1963         * builtins.c (var_decl_component_p): New function.
1964         (fold_builtin_memset, fold_builtin_memory_op): Restrict
1965         single entry optimization to variables and components thereof.
1966
1967 2006-10-10  Richard Guenther  <rguenther@suse.de>
1968
1969         PR rtl-optimization/29323
1970         * except.c (set_nothrow_function_flags): For functions
1971         that do not bind local bail out early.
1972
1973 2006-10-10  Ben Elliston  <bje@au.ibm.com>
1974
1975         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1976         -mdlmzb option.
1977
1978 2006-10-09  Richard Henderson  <rth@redhat.com>
1979
1980         Revert emutls patch.
1981
1982 2006-10-09  Richard Guenther  <rguenther@suse.de>
1983
1984         PR middle-end/29254
1985         * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1986         errors.
1987
1988 2006-10-09  Steve Ellcey  <sje@cup.hp.com>
1989
1990         PR target/27880
1991         * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1992         * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1993         * configure: Regenerate.
1994         * config.in: Regenerate.
1995
1996 2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
1997
1998         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1999
2000 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
2001
2002         * config/mips/mips.c (mips_legitimize_tls_address): Implement
2003         all TLS models in the same way as local exec if !TARGET_ABICALLS.
2004         Remove stray newline.
2005
2006 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
2007
2008         * config/mips/mips.c (mips_classify_symbol): Do not return
2009         SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2010         (mips_in_small_data_p): Tweak comments.
2011
2012 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
2013
2014         * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2015
2016 2006-10-07  Kazu Hirata  <kazu@codesourcery.com>
2017
2018         * gimplify.c, sched-int.h: Fix comment typos.
2019
2020         * sched-int.h: Fix comment typos.
2021
2022 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2023
2024         * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2025         New macros.
2026         * sched-ebb.c (begin_schedule_ready): Use them.
2027         * haifa-sched.c (schedule_insn, move_insn, try_ready,
2028         add_to_speculative_block, create_check_block_twin, speculate_insn,
2029         fix_jump_move, move_block_after_check): Ditto.
2030         * sched-rgn.c (new_ready): Ditto.
2031
2032 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2033
2034         PR rtl-optimization/29128
2035         * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2036         * sched-ebb.c (advance_target_bb): Use it to fix condition to
2037         allow interblock movement of speculation checks.
2038
2039 2006-10-06  Zdenek Dvorak <dvorakz@suse.cz>
2040
2041         PR middle-end/29256
2042         * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2043         casted to integer type.
2044         (get_address_cost): Decrease cost of [symbol + index] addressing modes
2045         if they are significantly more expensive than [reg + index] ones.
2046
2047 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
2048
2049         PR tree-optimization/29330
2050         * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2051         (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2052         on newly allocated ddrs.
2053         (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2054         to VEC (loop_p, heap) pointer.
2055         (compute_data_dependences_for_loop): Adjust caller.
2056         (free_dependence_relations): Free DDR_LOOP_NEST.
2057
2058         * tree-loop-linear.c (linear_transform_loops): Don't forget to
2059         free DEPENDENCE_RELATIONS and DATAREFS.
2060
2061         PR target/28924
2062         * builtins.c (expand_builtin_sync_operation,
2063         expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2064         Use convert_to_mode to handle promoted arguments.
2065
2066 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
2067
2068         * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2069
2070 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
2071
2072         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2073
2074 2006-10-05  Uros Bizjak  <uros@kss-loka.si>
2075
2076         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2077         "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2078         Use <modeconstraint> instead of "r" as operand 1 constraint.
2079
2080 2006-10-06  Olivier Hainque  <hainque@adacore.com>
2081
2082         * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2083         Don't recurse on the pointed-to type.
2084         * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2085         DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2086         types with components of variable size.
2087
2088 2006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
2089
2090         * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2091
2092 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
2093
2094         PR tree-optimization/29290
2095         * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2096         multiple exits.
2097
2098         PR target/29198
2099         * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2100         * config/i386/predicates.md (local_symbolic_operand): Likewise.
2101
2102         PR c/29091
2103         * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2104         the number of vector elements fill the rest with zeros.
2105
2106 2006-10-05  Richard Sandiford  <richard@codesourcery.com>
2107
2108         * config/mips/mips.c (mips_pass_by_reference): Do not return false
2109         for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
2110         instead.
2111
2112 2006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2113
2114         * config/bfin/bfin.md (subsi3): Lose expander, change previously
2115         unnamed pattern into subsi3.  Use correct constraints/predicates.
2116         * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2117         * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2118
2119 2006-10-05  Ira Rosen  <irar@il.ibm.com>
2120
2121         * doc/loop.texi: Add data references analysis description.
2122
2123 2006-10-04  Brooks Moses  <bmoses@stanford.edu>
2124
2125         * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2126
2127 2006-10-04  Richard Henderson  <rth@redhat.com>
2128             Jakub Jelinek  <jakub@redhat.com>
2129
2130         * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2131         * builtin-types.def (BT_WORD): Make unsigned.
2132         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2133         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2134         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2135         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2136         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2137         * cgraph.c (decide_is_variable_needed): Look at force_output.
2138         Recurse for emulated tls.
2139         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2140         checks redundant with decide_is_variable_needed.
2141         (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2142         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2143         emulated tls.
2144         * expr.c (emutls_var_address): New.
2145         (expand_expr_real_1): Expand emulated tls.
2146         (expand_expr_addr_expr_1): Likewise.
2147         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2148         * output.h (emutls_finish): Declare.
2149         * toplev.c (compile_file): Call it.
2150         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2151         address before wrapping in CONST.
2152         * varasm.c (emutls_htab, emutls_object_type): New.
2153         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2154         (get_emutls_object_name, get_emutls_object_type): New.
2155         (get_emutls_init_templ_addr, emutls_decl): New.
2156         (emutls_common_1, emutls_finish): New.
2157         (assemble_variable): When emulating tls, swap decls; generate
2158         constructor for the emutls objects.
2159         (do_assemble_alias): When emulating tls, swap decl and target name.
2160         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2161         for emulated tls.
2162         * emutls.c: New file.
2163         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2164         tls_object for real tls.
2165
2166 2006-10-04  Zack Weinberg  <zackw@panix.com>
2167
2168         Fix bug in constraint-check generator, reported by Rask Ingemann
2169         Lambertsen:
2170         * genpreds.c (add_constraint): Don't remove anything from the
2171         expression here.
2172         (write_tm_constrs_h): Detect whether "op" argument is used, and
2173         mark it ARG_UNUSED if it isn't.
2174         (write_insn_const_int_ok_for_constraint): Skip the part of the
2175         expression that would test whether "op" (which is not available
2176         here) is a CONST_INT.
2177
2178 2006-10-04  Ryan Mansfield  <rmansfield@qnx.com>
2179
2180         PR c++/28448
2181         * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2182
2183 2006-10-03  Geoffrey Keating  <geoffk@apple.com>
2184
2185         * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2186         current Leopard versions.
2187         * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2188
2189 2006-10-03  Kazu Hirata  <kazu@codesourcery.com>
2190
2191         * doc/install.texi: Fix typos.
2192
2193 2006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2194
2195         * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2196         * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2197         * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2198
2199 2006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>
2200
2201         * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2202         arg to be struct mach_header_64* instead.
2203
2204 2006-10-02  Jakub Jelinek  <jakub@redhat.com>
2205
2206         PR c/29154
2207         * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2208         side effects after the outer expression's post side effects.
2209
2210 2006-10-01  Sandra Loosemore  <sandra@codesourcery.com>
2211
2212         * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
2213         comments to reflect actual behavior and relationship between
2214         DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2215
2216         * doc/c-tree.texi (Working with declarations): Fix documentation
2217         of FIELD_DECL likewise.
2218
2219 2006-10-01  Ryan Mansfield  <rmansfield@qnx.com>
2220
2221         PR c/20533
2222         * doc/extend.texi: Add used variable attribute description.
2223
2224 2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
2225
2226         PR c/24010
2227         * c.opt (Woverride-init): New.
2228         * c-opts.c (c_common_post_options): Default warn_override_init to
2229         extra_warnings.
2230         * c-typeck.c (add_pending_init, output_init_element): Warn for
2231         overriding initializers without side effects.
2232         * doc/invoke.texi (-Woverride-init): Document.
2233         (-Wextra): Update.
2234
2235 2006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2236
2237         PR rtl-optimization/28096
2238         * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2239         assignment has already been used as a destination earlier in the block.
2240
2241 2006-09-29  Eric Botcazou  <ebotcazou@adacore.com>
2242
2243         * builtins.c (expand_builtin_setjmp): Delete.
2244         (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2245         <BUILT_IN_SETJMP_SETUP>: New case.
2246         <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2247         <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2248         * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2249         (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2250         (BUILT_IN_SETJMP_RECEIVER): Likewise.
2251         * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2252         (lower_function_body): Initialize it to false.  If it is set to true
2253         at the end of the processing, emit the setjmp dispatcher.
2254         (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2255         is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2256         <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2257         on the rhs of the assignment.
2258         (lower_builtin_setjmp): New function.
2259         * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2260         BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2261         * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2262         to detect calls that can go to non-local labels.  Use specific
2263         helper to create the abnormal edges associated with them.
2264         <MODIFY_EXPR>: Likewise.
2265         (make_abnormal_goto_edges): New function extracted from...
2266         (make_goto_expr_edges): ...here.  Call it for computed gotos.
2267         (simple_goto_p): Minor tweak.
2268         (tree_can_make_abnormal_goto): New predicate.
2269         (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2270         (tree_purge_dead_abnormal_call_edges): New function.
2271         * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2272         (tree_purge_dead_abnormal_call_edges): Likewise.
2273         (make_abnormal_goto_edges): Likewise.
2274         * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2275         Purge all dead abnormal edges if the call was in the last statement.
2276         * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2277         (execute_fixup_cfg): If there are non-local labels in the function,
2278         scan the basic blocks and split them at calls that can go to non-local
2279         labels or add missing abnormal call edges.  Write down the CFG in the
2280         dump file.
2281         (pass_fixup_cfg): Remove TODO_dump_func flag.
2282         * unwind-sjlj.c: Poison setjmp.
2283         * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2284         * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2285         (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2286         (DONT_USE_BUILTIN_SETJMP): Document it.
2287
2288 2006-09-28  Geoffrey Keating  <geoffk@apple.com>
2289
2290         PR target/28617
2291         * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2292         to 1 when __ppc64__ is defined.
2293         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2294         darwin-64.c.
2295         * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2296
2297 2006-09-28  Steve Ellcey  <sje@cup.hp.com>
2298
2299         * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2300         * config/ia64/unwind-hpux.c: Delete.
2301
2302 2006-09-28  Eric Botcazou  <ebotcazou@adacore.com>
2303
2304         * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2305         on the element before gimplifying it, instead of punting if it is of
2306         variable size.
2307
2308 2006-09-28  Zdenek Dvorak <dvorakz@suse.cz>
2309
2310         * doc/loop.texi: New file.
2311         * doc/gccint.texi: Reference loop.texi.
2312         * Makefile.in (loop.texi): Add.
2313
2314 2006-09-27  Geoffrey Keating  <geoffk@apple.com>
2315
2316         * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2317         __sysctl.
2318         * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2319         * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2320
2321 2006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2322
2323         * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2324
2325 2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
2326
2327         * doc/install.texi: Document required versions of GMP and MPFR.
2328
2329 2006-09-27  Paul Brook  <paul@codesourcery.com>
2330
2331         PR target/29230
2332         * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2333
2334 2006-09-27  Richard Sandiford  <richard@codesourcery.com>
2335
2336         * reload1.c (alter_reg): Require the alignment of the stack slot to
2337         be at least reg_max_ref_width bytes.
2338         (scan_paradoxical_subregs): Record the largest width in
2339         reg_max_ref_width.
2340
2341 2006-09-26  Jakub Jelinek  <jakub@redhat.com>
2342
2343         PR middle-end/25261
2344         PR middle-end/28790
2345         * tree-nested.c (struct nesting_info): Added static_chain_added.
2346         (convert_call_expr): Set static_chain_added when adding static
2347         chain.  Handle OMP_PARALLEL and OMP_SECTION.
2348
2349 2006-09-25  Matthias Klose  <doko@debian.org>
2350
2351         * doc/invoke.texi: Add missing full stop.
2352
2353 2006-09-25  Richard Henderson  <rth@redhat.com>
2354
2355         * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2356         before cgraph_function_flags_ready.
2357
2358 2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
2359             Adam Nemet  <anemet@caviumnetworks.com>
2360
2361         * tree-ssa-loop-ivopts.c (aff_combination_convert,
2362         determine_common_wider_type): New functions.
2363         (get_computation_aff): Use them to simplify arithmetic between
2364         UBASE and CBASE if they are shortened from the same type.
2365
2366 2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
2367
2368         PR target/28911
2369         * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2370         -2147483647 - 1 instead of 0x80000000.
2371
2372 2006-09-23  Revital1 Eres  <ERES@il.ibm.com>
2373
2374         * flags.h (HONOR_NANS): Fix typo in comment.
2375
2376 2006-09-23  Uros Bizjak <uros@kss-loka.si>
2377
2378         * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2379
2380 2006-09-23  Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR c/28706
2383         PR c/28712
2384         * tree.c (merge_attributes, attribute_list_contained): If both
2385         TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2386         simple_cst_equal.
2387         * c-typeck.c (comptypes_internal): Don't consider aggregates
2388         in different TUs as compatible if there one set of attributes is
2389         not a subset of the other type's attributes.
2390         (composite_type): Try harder not to create a new aggregate type.
2391
2392 2006-09-22  Geoffrey Keating  <geoffk@apple.com>
2393
2394         * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2395         * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2396         or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
2397         (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2398         than replicating condition above.
2399         * config.host (i[34567]86-*-*): Always use driver-i386.o.
2400
2401         * config/darwin.h (LINK_SYSROOT_SPEC): New.
2402         (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2403         the linker by default.
2404
2405 2006-09-22  Mike Stump  <mrs@apple.com>
2406
2407         * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2408         code.
2409
2410 2006-09-22  Richard Guenther  <rguenther@suse.de>
2411
2412         PR middle-end/28964
2413         * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2414         sort of stack variables stable.
2415
2416 2006-09-22  Peter Bergner <bergner@vnet.ibm.com>
2417
2418         PR middle-end/28690
2419         * explow.c (force_reg): Set REG_POINTER flag according to
2420         MEM_POINTER flag.
2421
2422 2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
2423
2424         PR tree-optimization/28888
2425         * tree-if-conv.c (combine_blocks): Rewritten.
2426         * tree-cfg.c (tree_verify_flow_info): Check that edges with
2427         EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2428
2429 2006-09-22  Jakub Jelinek  <jakub@redhat.com>
2430
2431         * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2432         needed.
2433
2434 2006-09-21  Richard Sandiford  <richard@codesourcery.com>
2435
2436         * varasm.c (copy_constant): Fix reversed gcc_assert check.
2437
2438 2006-09-21  Janis Johnson  <janis187@us.ibm.com>
2439
2440         * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2441
2442 2006-09-21  Roger Sayle  <roger@eyesopen.com>
2443
2444         PR debug/29132
2445         * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2446         dw_fde_current_label, to be the start of the function, i.e. the same
2447         value as dw_fde_begin.
2448
2449 2006-09-20  Richard Sandiford  <richard@codesourcery.com>
2450
2451         * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2452         * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2453         (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2454         (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2455         (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2456         (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2457         (abs<mode>2, neg<mode>2): Likewise.
2458         * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2459         (*mips_abs_ps): New define_insn.
2460
2461 2006-09-20  Josh Conner  <jconner@apple.com>
2462
2463         PR middle-end/25505
2464         * calls.c (expand_call): Allow reuse of structure return stack
2465         temp.
2466
2467 2006-09-20  Paul Brook  <paul@codesourcery.com>
2468
2469         * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2470         positive offsets.
2471
2472 2006-09-20  Janis Johnson  <janis187@us.ibm.com>
2473
2474         * doc/extend.texi (Decimal Float): Update for latest draft TR,
2475         clean up terminology.
2476
2477 2006-09-20  Steve Ellcey  <sje@cup.hp.com>
2478
2479         PR target/28574
2480         * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2481         with tablejumps in them.
2482
2483 2006-09-20  Jakub Jelinek  <jakub@redhat.com>
2484
2485         PR middle-end/28046
2486         * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2487         wrap it into TARGET_EXPR.
2488
2489 2006-09-20  Eric Christopher  <echristo@apple.com>
2490
2491         * config/i386/i386.c (x86_fisttp): Remove.
2492         * config/i386/i386.h (x86_fisttp): Ditto.
2493         (TARGET_FISTTP): Ditto.
2494
2495 2006-09-19  Eric Christopher  <echristo@apple.com>
2496
2497         * doc/tm.texi (OBJC_JBLEN): Describe.
2498         * config/i386/darwin.h (OBJC_JBLEN): Define.
2499         * config/rs6000/darwin.h: Ditto.
2500
2501 2006-09-19  Steven Bosscher  <steven@gcc.gnu.org>
2502
2503         PR rtl-optimization/21299
2504         * reload1.c (reload): Purge invalid ASMs in the final pass.
2505
2506 2006-09-19  Steve Ellcey  <sje@cup.hp.com>
2507
2508         PR  28490
2509         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2510         pointers as legitimate constants.
2511
2512 2006-09-19  Paul Brook  <paul@codesourcery.com>
2513
2514         PR target/28516
2515         * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2516
2517 2006-09-17  Zdenek Dvorak <dvorakz@suse.cz>
2518
2519         PR tree-optimization/28887
2520         * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2521         component parts from the reference.
2522         (gather_memory_references_ref): Record the reference without the
2523         nonaddressable component parts.
2524
2525 2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>
2526
2527         PR c/25993
2528         * c-opts.c (c_common_handle_option): Ignore the -std options
2529         if the input language is assembly.
2530
2531 2006-09-17  Ira Rosen  <irar@il.ibm.com>
2532
2533         PR tree-opt/21591
2534         * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2535         tag first.
2536         (ptr_ptr_may_alias_p): Likewise.
2537         (record_record_differ_p): New function.
2538         (base_object_differ_p): Call record_record_differ_p.
2539
2540 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
2541
2542         PR tree-opt/29059
2543         * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2544         away for the expr argument.
2545
2546 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
2547
2548         PR tree-opt/27742
2549         * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2550         before using it for dumping after vectorizing loops.
2551
2552 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
2553             Jack Howarth  <howarth@bromo.med.uc.edu>
2554
2555         PR target/29030
2556         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2557         skip on error_mark_node.
2558         (rs6000_darwin64_record_arg_recurse): Likewise.
2559
2560 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
2561
2562         * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2563         * doc/rtl.texi: Remove related documentation.
2564
2565 2006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2566
2567         * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2568         printf.
2569
2570 2006-09-15  Jim Wilson  <wilson@specifix.com>
2571
2572         * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2573         Handle symbol offsets same as they are handled in ia64_expand_move
2574         and move_operand.
2575
2576 2006-09-16  Andreas Tobler  <a.tobler@schweiz.org>
2577
2578         * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2579         Add forgotten parameter to the fprintf call.
2580
2581 2006-09-15  Steve Ellcey  <sje@cup.hp.com>
2582
2583         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2584
2585 2006-09-15  Uros Bizjak <uros@kss-loka.si>
2586
2587         * doc/contrib.texi: Add my entry.
2588
2589 2006-09-15  Nick Clifton  <nickc@redhat.com>
2590
2591         * doc/md.texi (Processor pipeline description): Fix typo in
2592         example of how to use the absence_set directive and reword the
2593         description to make it slightly easier to read.
2594
2595 2006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2596
2597         * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2598         * loop-doloop.c (doloop_optimize): Use it to limit costs of
2599         expanding the number of iterations.
2600         * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2601
2602         * cfgrtl.c (emit_insn_at_entry): New function.
2603         * rtl.h (emit_insn_at_entry): Declare it.
2604         * integrate.c (emit_initial_value_sets): Use it.
2605
2606         * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2607
2608         * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2609         bad.
2610         (struct loop_work and related VEC declarations): Delete.
2611         (bfin_dump_loops): Print out new member bad.
2612         (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
2613         (bfin_scan_loop): Don't recurse.
2614         (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2615         loops.  No longer need to update outer loops if the current one is
2616         found bad.  Move some validitiy checks to bfin_discover_loop.
2617         (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2618         but changed not to check for nesting.  Also changed to use the new bad
2619         flag.
2620         (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2621         time.  Use bitmap based test to discover loop nesting.
2622
2623 2006-09-15  Kazu Hirata  <kazu@codesourcery.com>
2624
2625         * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2626         one line.
2627
2628 2006-09-14  Richard Guenther  <rguenther@suse.de>
2629             Kazu Hirata  <kazu@codesourcery.com>
2630
2631         PR middle-end/28884.
2632         * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2633         (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2634         Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2635         with TARGET_FUNCTION_VALUE.
2636
2637 2006-09-14  Anatoly Sokolov <aesok@post.ru>
2638
2639         PR target/26504
2640         * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2641
2642 2006-09-13  Aldy Hernandez  <aldyh@redhat.com>
2643
2644         * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2645         of a RETURN_EXPR
2646
2647 2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2648
2649         PR debug/28980
2650         * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2651         FUNCTION_DECL.
2652
2653 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2654
2655         * basic_block.h (bb_has_eh_pred): Fix comment.
2656
2657 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2658
2659         * flow.c (calculate_global_regs_live): Invalidate eh registers
2660         on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2661         (propagate_block): Handle eh registers as if they were set at basic
2662         block start.
2663         * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2664         registers.
2665         * global.c (global_conflicts): Make eh registers to conflict with
2666         pseudos live at basic block begin.
2667         * basic_block.h (bb_has_eh_pred): New function.
2668
2669 2006-09-13  Richard Sandiford  <richard@codesourcery.com>
2670
2671         PR rtl-optimization/28982
2672         * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2673         index of a PRE_MODIFY or POST_MODIFY address.
2674         * reload1.c (inc_for_reload): Use find_replacement on the original
2675         base and index registers.
2676
2677 2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>
2678
2679         * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2680         for -Os. Update __m128 alignment requirement.
2681
2682 2006-09-13  Jan Hubicka  <jh@suse.cz>
2683
2684         * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2685
2686 2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2687
2688         PR rtl-optimization/28243
2689         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2690         the insn to which the note was originally attached.
2691
2692 2006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2693             Roger Sayle  <roger@eyesopen.com>
2694
2695         * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2696         outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2697         on platforms that don't use dwarf for debug info.
2698
2699 2006-09-12  Jason Merrill  <jason@redhat.com>
2700
2701         PR middle-end/28493
2702         * builtins.c (expand_builtin_setjmp_receiver): Clobber
2703         hard_frame_pointer_rtx after using it to update the frame pointer.
2704
2705 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2706
2707         * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2708         (TARGET_ASM_CLOSE_PAREN): Likewise.
2709         * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2710         (TARGET_ASM_CLOSE_PAREN): Likewise.
2711
2712 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2713
2714         PR target/22223
2715         * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2716         frame information for frames larger than 512 Kbytes on Tru64 when
2717         using the native assembler.
2718
2719 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2720
2721         PR middle-end/4520
2722         PR bootstrap/28784
2723         * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2724         and symbols.  Instead use the implementation from cse.c's hash_rtx.
2725
2726 2006-09-12  Jan Hubicka  <jh@suse.cz>
2727
2728         PR rtl-optimization/28071
2729         * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2730         (vect_transform_loop): Likewise.
2731         * tree-vectorizer.c (new_loop_vec_info): Likewise.
2732         (new_loop_vec_info): Likewise.
2733         (destroy_loop_vec_info): Likewise.
2734         * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2735         (create_stmt_ann): Likewise.
2736         (create_tree_ann): Rename to ...
2737         (create_tree_common_ann): ... this one; allocate only the common part
2738         of annotations.
2739         * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2740         (get_value_handle): Likewise.
2741         * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2742         get_tree_common_ann.
2743         * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2744         (vinfo_for_stmt): Use stmt annotations.
2745         * tree-flow.h (tree_ann_common_t): New type.
2746         (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2747         (tree_ann, get_tree_ann, create_tree_ann): New.
2748         * tree-flow-inline.h (get_function_ann): Do more type checking.
2749         (stmt_ann): Likewise.
2750         (tree_ann): Rename to ...
2751         (tree_common_ann): ... this one; return ony common_ann
2752         (get_tree_ann): Rename to ...
2753         (tree_common_ann): This one; return only common_ann.
2754         * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2755         of set_stmt_info.
2756
2757 2006-09-11  Geoffrey Keating  <geoffk@apple.com>
2758
2759         * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2760         with_cpu by default.
2761
2762         * dwarf2out.c (dwarf_file_data): New.
2763         (enum dw_val_class): Add dw_val_class_file.
2764         (struct dw_val_struct): Add val_file.
2765         (file_table): Change to a hash table.
2766         (file_table_emitted): Delete.
2767         (file_table_last_lookup_index): Delete.
2768         (emitcount): Delete.
2769         (last_emitted_file): New.
2770         (lookup_filename): Change prototype to return a struct dwarf_file_data.
2771         (init_file_table): Delete.
2772         (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2773         (AT_addr): Add comment.
2774         (add_AT_file): New.
2775         (AT_file): New.
2776         (get_AT_file): New.
2777         (print_die): Handle dw_val_class_file.
2778         (print_dwarf_line_table): Update for new file table structure.
2779         (attr_checksum): Do checksum a filename.
2780         (same_dw_val_p, same_attr_p): Do compare a filename.
2781         (size_of_die): Handle dw_val_class_file.
2782         (value_format): Likewise.
2783         (output_die): Likewise.  Also, call maybe_emit_file here.
2784         (struct file_info): Constify filenames.  Make file_idx a pointer
2785         to a struct dwarf_file_data.
2786         (struct dir_info): Constify directory names.  Remove 'used' field.
2787         (struct file_name_acquire_data): New.
2788         (file_name_acquire): New.
2789         (output_file_names): Modify to handle new file data structures.
2790         (add_src_coords_attributes): Use add_AT_file.
2791         (add_call_src_coords_attributes): Likewise.
2792         (dwarf2out_imported_module_or_decl): Likewise.
2793         (gen_subprogram_die): Modify for new file data structures.
2794         (gen_variable_die): Likewise.
2795         (file_table_eq): New.
2796         (file_table_hash): New.
2797         (file_table_last_lookup): New.
2798         (lookup_filename): Rewrite to handle new file data structures.
2799         (maybe_emit_file): Rewrite to handle new file data structures.
2800         (dwarf2out_source_line): Always call lookup_filename and
2801         maybe_emit_file.
2802         (dwarf2out_init): Create file_table here.
2803         (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2804         (file_table_relative_p): New.
2805         (dwarf2out_finish): Change detection of relative filenames
2806         to work with new file data structures.  Move output_line_info call
2807         after debug_info output.
2808
2809 2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>
2810
2811         PR target/13685
2812         PR target/27537
2813         PR target/28621
2814         * config/i386/i386.c (override_options): Always default to 16
2815         byte stack boundary.
2816
2817 2006-09-11  Alexandre Oliva  <aoliva@redhat.com>
2818
2819         PR target/28672
2820         * var-tracking.c (dump_dataflow_set): Start dumping at
2821         register zero.
2822         (clobber_variable_part): Kill only the variable part in
2823         registers holding it, leaving other variables alone.
2824
2825 2006-09-11  Josh Triplett  <josh@freedesktop.org>
2826
2827         * doc/extend.texi (Other Builtins): Actually use the macro
2828         argument in the documentation example for
2829         __builtin_types_compatible_p.
2830
2831 2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2832
2833         PR rtl-optimization/28726
2834         * sched-deps.c (sched_analyze_reg): New function extracted from...
2835         (sched_analyze_1): ...here.  Call it to analyze references to
2836         registers.  Treat again writes to a stack register as writing to the
2837         register.
2838         (sched_analyze_2): ...and here.  Call it to analyze references to
2839         registers.  Treat again reads of a stack register as reading the
2840         register.
2841
2842 2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
2843             David Edelsohn  <edelsohn@gnu.org>
2844
2845         PR target/27287
2846         * config/rs6000/spe.md (frob_df_di): Remove %H.
2847         (frob_di_df): Remove %H.  Change evmergelo to mr.
2848         (frob_di_df_2): Remove %H.  Change evldd to two loads.
2849
2850 2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>
2851
2852         * doc/cpp.texi: Fix names of charset options.
2853
2854 2006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>
2855
2856         PR target/29009
2857         * config/i386/i386.c (override_options): Use 128-bit
2858         stack boundary always for 64bits.
2859
2860 2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2861
2862         PR rtl-optimization/28636
2863         * combine.c (force_to_mode): Test for side-effects before
2864         substituting by zero.
2865         (simplify_shift_const): Likewise for zero or other constants.
2866
2867 2006-09-10  Steven Bosscher  <steven@gcc.gnu.org>
2868
2869         PR middle-end/26983
2870         * builtins.c (expand_builtin_setjmp): Force next_lab to be
2871         preserved.
2872
2873 2006-09-10  Richard Sandiford  <richard@codesourcery.com>
2874
2875         PR target/29006
2876         * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2877         * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2878         returned by mode_for_size, rather than the mode of src itself,
2879         to choose between 32-bit and 64-bit patterns.
2880         (mips_mem_fits_mode_p): New function.
2881         * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2882         that the size of the source matches the size of the destination.
2883         (mov_<store>l, mov_<store>r): Likewise.
2884
2885 2006-09-10  Eric Christopher  <echristo@apple.com>
2886
2887         * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2888         for literal16.
2889
2890 2006-09-09  Eric Christopher  <echristo@apple.com>
2891
2892         PR target/28995
2893         * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2894         for literal16.
2895
2896 2006-09-09  Roger Sayle  <roger@eyesopen.com>
2897             Nicolas Setton <setton@adacore.com>
2898
2899         * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2900
2901 2006-09-10  Andreas Schwab  <schwab@suse.de>
2902
2903         * config/m68k/m68k.md (bungt_rev): New pattern.
2904
2905 2006-09-09  Paolo Bonzini  <bonzini@gnu.org>
2906             Dale Johannesen  <dalej@apple.com>
2907
2908         PR target/26778
2909         * regclass.c (struct reg_pref): Update documentation.
2910         (regclass): Set prefclass to NO_REGS if memory is the best option.
2911         (record_reg_classes): Cope with a prefclass set to NO_REGS.
2912
2913 2006-09-08  Eric Christopher  <echristo@apple.com>
2914
2915         * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2916         * config/t-slibgcc-darwin: Support x86_64 multilib.
2917         * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2918         Return 1 for x86_64-darwin.
2919         * config/i386/t-darwin: Add m64 multilib.
2920         (LIB2_SIDITI_CONV_FUNCS): Use.
2921         (LIB2FUNCS_EXTRA): Ditto.
2922         * config/i386/darwin.h: Support x86_64.
2923         * config/i386/i386.c (override_options): Turn on flag_pic
2924         for x86_64-darwin. Disable flag_omit_pointer.
2925         (get_pc_thunk_name): Assert !TARGET_64BIT.
2926         (legitimate_address_p): Disable machopic addressing for
2927         x86_64.
2928         (legitimize_pic_address): Ditto.
2929         (ix86_expand_move): Ditto.
2930         (ix86_expand_call): Ditto.
2931         (machopic_output_stub): Ditto.
2932         * config/darwin.c (machopic_select_section): Support literal16.
2933         (machopic_select_rtx_section): Ditto.
2934         * config/darwin-sections.def: Ditto.
2935         * config/darwin-64.c: New.
2936
2937 2006-09-08  Joseph S. Myers  <joseph@codesourcery.com>
2938
2939         PR c/28504
2940         * c-tree.h (struct c_arg_info): Add pending_sizes.
2941         * c-parser.c (c_parser_parms_declarator,
2942         c_parser_parms_list_declarator): Initialize pending_sizes.
2943         * c-decl.c (get_parm_info): Initialize pending_sizes.
2944         (get_parm_info): Set pending_sizes.
2945         (grokdeclarator): Call put_pending_sizes for parameters for
2946         function definition only.
2947
2948 2006-09-07  Jason Merrill  <jason@redhat.com>
2949
2950         PR middle-end/27724
2951         * varasm.c (output_constant): Only strip actual no-op conversions.
2952
2953         PR target/13685
2954         * config/i386/i386.c (override_options): Use 128-bit
2955         stack boundary if -msse.
2956
2957 2006-09-07  Eric Christopher  <echristo@apple.com>
2958
2959         * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2960         comment.
2961         * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2962         Redefine.
2963
2964 2006-09-07  Geoffrey Keating  <geoffk@apple.com>
2965
2966         * dwarf2out.c: Remove strange characters from comment above
2967         dwarf2out_frame_debug_expr.
2968
2969 2006-09-07  Eric Christopher  <echristo@apple.com>
2970
2971         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2972         * config/darwin.h: ... to here.
2973
2974 2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
2975
2976         * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2977
2978         * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2979         (TARGET_PARTIAL_FLAG_REG_STALL): New.
2980
2981         * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2982         TARGET_PARTIAL_FLAG_REG_STALL.
2983         (*ashldi3_cconly_rex64): Likewise.
2984         (*ashlsi3_cmp): Likewise.
2985         (*ashlsi3_cconly): Likewise.
2986         (*ashlsi3_cmp_zext): Likewise.
2987         (*ashlhi3_cmp): Likewise.
2988         (*ashlhi3_cconly): Likewise.
2989         (*ashlqi3_cmp): Likewise.
2990         (*ashlqi3_cconly): Likewise.
2991         (*ashrdi3_cmp_rex64): Likewise.
2992         (*ashrdi3_cconly_rex64): Likewise.
2993         (*ashrsi3_cmp): Likewise.
2994         (*ashrsi3_cconly): Likewise.
2995         (*ashrsi3_cmp_zext): Likewise.
2996         (*ashrhi3_cmp): Likewise.
2997         (*ashrhi3_cconly): Likewise.
2998         (*ashrqi3_cmp): Likewise.
2999         (*ashrqi3_cconly): Likewise.
3000         (*lshrdi3_cmp_rex64): Likewise.
3001         (*lshrdi3_cconly_rex64): Likewise.
3002         (*lshrsi3_cmp): Likewise.
3003         (*lshrsi3_cconly): Likewise.
3004         (*lshrsi3_cmp_zext): Likewise.
3005         (*lshrhi3_cmp): Likewise.
3006         (*lshrhi3_cconly): Likewise.
3007         (*lshrqi2_cmp): Likewise.
3008         (*lshrqi2_cconly): Likewise.
3009
3010 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3011
3012         PR target/28946
3013         * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3014         "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3015         "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3016         "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3017         "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3018         "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3019         "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3020         "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3021         "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3022         implement only CC setting effects of shift instructions.
3023
3024 2006-09-07  Martin Michlmayr  <tbm@cyrius.com>
3025
3026         * doc/contrib.texi: Add myself.
3027
3028 2006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>
3029
3030         PR middle-end/28862
3031         * stor-layout.c (relayout_decl): Don't zero the alignment if it
3032         was set by the user.
3033
3034 2006-09-07  Paolo Bonzini  <bonzini@gnu.org>
3035
3036         PR target/27117
3037         * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3038         (divsi_inv_m1): Use them.
3039         (UNSPEC_DIV_INV_TABLE): New constant.
3040
3041 2006-09-06  James E Wilson  <wilson@specifix.com>
3042
3043         PR rtl-opt/27883
3044         * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3045         then call count_or_remove_death_notes.
3046
3047 2006-09-06  Jason Merrill  <jason@redhat.com>
3048
3049         PR c++/27371
3050         * tree-inline.c (copy_result_decl_to_var): New fn.
3051         (declare_return_variable): Use it.  Call declare_inline_vars here.
3052         (expand_call_inline): Not here.
3053
3054 2006-09-06  Diego Novillo  <dnovillo@redhat.com>
3055
3056         * doc/contrib.texi: Update my entry.
3057
3058 2006-09-06  Nick Clifton  <nickc@redhat.com>
3059
3060         * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3061
3062 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
3063
3064         PR tree-opt/28937
3065         * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3066         (canonicalize_induction_variables): Likewise.
3067         (tree_unroll_loops_completely): Likewise.
3068         (tree_ssa_prefetch_arrays): Likewise.
3069         (remove_empty_loops): Likewise.
3070         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3071         TODO_cleanup_cfg instead of directly calling
3072         cleanup_tree_cfg_loop.
3073         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3074         Likewise.
3075         (tree_unroll_loops_completely): Likewise.
3076         (remove_empty_loops): Likewise.
3077         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3078         * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3079         of tree_ssa_unswitch_loops.
3080         (tree_ssa_loop_ivcanon): Use the return value of
3081         canonicalize_induction_variables.
3082         (tree_ssa_empty_loop): Use the return value of
3083         remove_empty_loops.
3084         (tree_complete_unroll): Use the return value of
3085         tree_unroll_loops_completely.
3086         (tree_ssa_loop_prefetch): Use the return value of
3087         tree_ssa_prefetch_arrays.
3088         * passes.c (execute_todo): Before Cleanup CFG, set
3089         updating_used_alone and after cleanup CFG, call
3090         recalculate_used_alone.
3091
3092 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
3093
3094         PR tree-opt/28952
3095         * tree-vect-transform.c (vectorizable_condition): Move the check
3096         for the type after the check for simple condition.
3097
3098 2006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
3099             Kaz Kojima  <kkojima@gcc.gnu.org>
3100
3101         PR target/28764
3102         * mode-switching.c (optimize_mode_switching): Make the destination
3103         block of an abnormal edge have no anticipatable mode.  Don't
3104         insert mode switching code at the end of the source block of
3105         an abnormal edge.
3106
3107 2006-09-05  Paolo Bonzini  <bonzini@gnu.org>
3108
3109         PR rtl-optimization/26847
3110         * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3111         (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3112         (simplify_plus_minus): Count n_constants while filling ops.  Replace
3113         qsort with insertion sort.  Before going through the array to simplify
3114         pairs, sort it.  Delay early exit until after the first sort, exiting
3115         only if no swaps occurred.  Simplify pairs in reversed order, without
3116         special-casing the first iteration.  Pack ops after simplifying pairs.
3117
3118 2006-09-05  Anatoly Sokolov <aesok@post.ru>
3119
3120         * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3121         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3122         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3123         (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3124
3125 2006-09-05  Richard Guenther  <rguenther@suse.de>
3126
3127         PR tree-optimization/28900
3128         * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3129         compound conditional before creating COND_EXPR condition.
3130
3131 2006-09-05  Richard Guenther  <rguenther@suse.de>
3132
3133         PR tree-optimization/28905
3134         * tree-vrp.c (fix_equivalence_set): Manually implement
3135         !value_ranges_intersect_p to also handle symbolic ranges.
3136
3137 2006-09-05  Richard Guenther  <rguenther@suse.de>
3138
3139         PR middle-end/28935
3140         * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3141         of a COND_EXPR.
3142
3143 2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3144
3145         PR rtl-optimization/27616
3146         * cse.c (table_size): New static variable.
3147         (new_basic_block): Initialize it to 0.
3148         (remove_from_table): Decrement it.
3149         (insert): Increment it.
3150         (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3151         (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
3152         fold_rtx_mem_1 if under the cap.
3153         (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3154         the lookup of the equivalent expression and test for equality of the
3155         first operand of the equivalent expression before in turn looking up
3156         an equivalent constant for the second operand.
3157
3158 2006-09-02  Geoffrey Keating  <geoffk@apple.com>
3159
3160         Revert this change:
3161         2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
3162         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3163         pointer, instead of assuming it is possible to derive the
3164         correct args size from a call insn.
3165
3166 2006-09-02  Jakub Jelinek  <jakub@redhat.com>
3167
3168         PR middle-end/27567
3169         * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3170         (fold_builtin_mempcpy): Rename to...
3171         (fold_builtin_memory_op): ... this.  Optimize one element copy
3172         into an assignment.
3173         (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3174         functions.
3175         (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3176         (expand_builtin_memcpy, expand_builtin_mempcpy,
3177         expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
3178         (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3179         BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
3180         BUILT_IN_MEM{CPY,PCPY,MOVE}.
3181
3182 2006-09-01  DJ Delorie  <dj@redhat.com>
3183
3184         * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3185         (stzx_16): Likewise.
3186         ("stzx_24_<mode>"): Likewise.
3187         ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3188         ("cmp<mode>_op"): New.
3189         (cmp<mode>): Change to expander; just save operands.
3190         (b<code>_op): New.
3191         (b<code>): Change to expander, emit compare here.
3192         (s<code>_op): Change to use split and expander.
3193         (s<code>_24_op): Likewise.
3194         (s<code>_<mode>): New.
3195         (s<code>_<mode>_24): New.
3196         (movqicc_<code>_<mode): New.
3197         (movhicc_<code>_<mode>): New.
3198         (s<code>): New.
3199         (s<code>_24): New.
3200         * config/m32c/m32c.c (compare_op0, compare_op1): New.
3201         (m32c_pend_compare): New.
3202         (m32c_unpend_compare): New.
3203         (m32c_expand_scc): New.
3204         (m32c_expand_movcc): Emit the compare also.
3205         * config/m32c/predicates.md (mra_nopp_operand): New.
3206
3207 2006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
3208         Richard Guenther  <rguenther@suse.de>
3209         Adam Nemet  <anemet@caviumnetworks.com>
3210
3211         PR middle-end/27226
3212         * builtins.c (get_pointer_alignment): Handle more forms
3213         of base addresses that can be used to derive more precise
3214         information about alignment.
3215
3216 2006-09-01  Jason Merrill  <jason@redhat.com>
3217
3218         PR c++/28899
3219         * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3220         want_value.
3221
3222         * gimplify.c (voidify_wrapper_expr): Handle null type.
3223
3224 2006-09-01  Josh Conner  <jconner@apple.com>
3225
3226         PR c++/25505
3227         * tree-nrv.c (dest_safe_for_nrv_p): New function.
3228         (execute_return_slot_opt): Use it.
3229
3230 2006-08-31  Josh Conner  <jconner@apple.com>
3231
3232         PR c++/25505
3233         * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3234         returning aggregates.
3235
3236 2006-08-31  Zdenek Dvorak <dvorakz@suse.cz>
3237
3238         PR tree-optimization/28839
3239         * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3240         blocks in that phi arguments appear.
3241
3242 2006-08-31  Roger Sayle  <roger@eyesopen.com>
3243
3244         PR other/22313
3245         * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3246         NULL, otherwise use an advance_loc4 to adjust relative to the
3247         current label.
3248         (output_cfi) <DW_CFA_set_loc>: Update the current label.
3249         (dwarf2out_switch_text_section): Reset the current label to avoid
3250         using advance_loc4 over section boundaries.
3251
3252 2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>
3253
3254         PR target/24367
3255         * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3256         r12 + SYMBOLIC_CONST.
3257
3258 2006-08-30  Richard Guenther  <rguenther@suse.de>
3259
3260         * Makefile.in (see.o): Add $(EXPR_H) dependency.
3261
3262 2006-08-30  Zdenek Dvorak <dvorakz@suse.cz>
3263
3264         PR rtl-optimization/27735
3265         * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3266         Add new argument to keep track of whether an irreducible region
3267         was affected.  All callers changed.
3268         (fix_irreducible_loops): Removed.
3269         (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3270         flags were invalidated.
3271
3272 2006-08-29  H.J. Lu  <hongjiu.lu@intel.com>
3273
3274         * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3275         instead of SF operands.
3276         (*fop_df_comm_sse): Likewise.
3277         (*fop_df_comm_i387): Likewise.
3278         (*fop_df_1_mixed): Likewise.
3279         (*fop_df_1_sse): Likewise.
3280
3281 2006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3282             J"orn Rennecke  <joern.rennecke@st.com>
3283
3284         PR tree-optimization/17506
3285         * tree-ssa.c (warn_uninit): If warning about a location outside of
3286         the current function, note where the variable was declared.
3287
3288 2006-08-28  Zdenek Dvorak <dvorakz@suse.cz>
3289
3290         PR tree-optimization/28411
3291         * double-int.c (double_int_div): Use double_int_divmod.
3292         (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3293         double_int_mod, double_int_smod, double_int_umod): New functions.
3294         * double-int.h (double_int_divmod, double_int_sdivmod,
3295         double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3296         Declare.
3297         * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3298         in double_int.
3299         (get_computation_aff, get_computation_cost_at): Handle double_int
3300         return type of constant_multiple_of.
3301
3302 2006-08-28  Kazu Hirata  <kazu@codesourcery.com>
3303
3304         PR middle-end/26632
3305         * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3306         an implicit conversion.
3307
3308 2006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>
3309
3310         * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3311
3312 2006-08-27  Roger Sayle  <roger@eyesopen.com>
3313
3314         * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3315         x87 instructions.
3316
3317 2006-08-27  Kazu Hirata  <kazu@codesourcery.com>
3318
3319         * config/i386/crtfastmath.c: Fix a comment typo.
3320
3321 2006-08-26  Roger Sayle  <roger@eyesopen.com>
3322
3323         * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3324         temporary visit flags on CASE_LABEL_EXPRs.
3325         * c-common.c (match_case_to_enum): Add function comment.  Avoid
3326         O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3327         (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
3328         CASE_HIGH_SEEN for enumerated types.  If the switch expression is
3329         a constant, only warn if that constant value isn't handled.
3330
3331 2006-08-26  Joseph S. Myers  <joseph@codesourcery.com>
3332
3333         PR c++/24009
3334         * input.h (restore_input_file_stack): Declare.
3335         (INPUT_FILE_STACK_BITS): Define.
3336         * toplev.c (fs_p, input_file_stack_history,
3337         input_file_stack_restored, restore_input_file_stack): New.
3338         (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3339         overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
3340         (pop_srcloc): Don't free old state of stack.
3341
3342 2006-08-26  David Edelsohn  <edelsohn@gnu.org>
3343
3344         PR target/27544
3345         * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3346         (PowerPC Type Attributes): New.
3347
3348 2006-08-26  Bob Wilson  <bob.wilson@acm.org>
3349
3350         * config/xtensa/xtensa.c (function_arg_boundary): New.
3351         (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3352         STACK_BOUNDARY.
3353         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3354         function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3355
3356 2006-08-26  Jakub Jelinek  <jakub@redhat.com>
3357
3358         PR middle-end/28683
3359         * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3360         3 following insns.
3361
3362 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3363
3364         * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3365         (verify_local_live_at_start): Likewise.
3366
3367 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
3368
3369         PR c/27893
3370         * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3371         omp_add_variable): Treat sizes as variable whenever not
3372         INTEGER_CST.
3373
3374 2006-08-26  Richard Guenther  <rguenther@suse.de>
3375
3376         PR middle-end/28814
3377         * fold-const.c (fold_binary): Fold temporary to correct
3378         type before constructing new comparison.
3379
3380 2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>
3381
3382         PR c/28418
3383         * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3384         variable again if DECL_SEEN_IN_BIND_EXPR_P.
3385
3386 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
3387
3388         PR c/28299
3389         * c-decl.c (start_function): Don't try to process prototype
3390         information from old declaration that isn't a function.
3391
3392 2006-08-25  Jan Hubicka  <jh@suse.cz>
3393
3394         PR target/28621
3395         * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3396
3397 2006-08-25  Alan Modra  <amodra@bigpond.net.au>
3398
3399         PR target/27075
3400         * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3401         for 8 byte objects.
3402
3403 2006-08-25  J"orn Rennecke  <joern.rennecke@st.com>
3404
3405         PR tree-optimization/16876
3406         * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3407         exit if PARM doesn't match VALUE.
3408
3409 2006-08-25  Bob Wilson  <bob.wilson@acm.org>
3410
3411         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3412         literal_prefix directive.
3413         (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3414         * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3415         * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3416
3417 2006-08-25  David Edelsohn  <edelsohn@gnu.org>
3418
3419         PR target/28753
3420         * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3421         predicate to general_operand.  Add 0->y and I->r alternatives.
3422
3423 2006-08-25  Kazu Hirata  <kazu@codesourcery.com>
3424
3425         * doc/tm.texi: Fix a typo.
3426         * predict.c: Fix comment typos.
3427
3428 2006-08-25  Nick Clifton  <nickc@redhat.com>
3429
3430         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3431         assertions of "cpu" and "machine".
3432
3433 2006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>
3434
3435         PR tree-opt/28807
3436         * tree-ssa-operands.c (access_can_touch_variable): Don't say
3437         the access through a base which has an alias set of 0 cannot
3438         touch the variable.
3439
3440 2006-08-24  Bill Wendling  <wendling@apple.com>
3441
3442         * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3443
3444 2006-08-24  Jan Hubicka  <jh@suse.cz>
3445
3446         * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3447
3448 2006-08-24  Jan Hubicka  <jh@suse.cz>
3449
3450         PR debug/26881
3451         * cgraph.c: Fix comments.
3452         (cgraph_varpool_mark_needed_node): Mark only variables not already
3453         output to file.
3454         * cgraphunit.c: Update comments; include gt-cgraphunit.h
3455         (cgraph_varpool_assembled_nodes_queue): New static variable.
3456         (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3457         (cgraph_varpool_output_debug_info): New function.
3458         (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3459         * Makefile.in: Add gt-cgraphunit.h
3460
3461 2006-08-24  Jan Hubicka  <jh@suse.cz>
3462
3463         * predict.c (probability_reliable_p): New predicate.
3464         (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3465         (predict_loops): Do not predict loop exit with less than 2%
3466         probability.
3467         * basic-block.h (edge_probability_reliable_p,
3468         br_prob_note_reliable_p): Declare.
3469         * ia64.h (ia64_print_operand): Do not disable on-chip branch
3470         prediction when static predictor is not reliable.
3471         * rs6000.c (output_cbranch): Likewise.
3472
3473 2006-08-23  Stuart Hastings  <stuart@apple.com>
3474
3475         PR 28825
3476         * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3477         ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3478
3479 2006-08-21  Geoffrey Keating  <geoffk@apple.com>
3480
3481         PR debug/28692
3482         * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3483         complex values, nor for generic vector values.
3484
3485 2006-08-22  Richard Guenther  <rguenther@suse.de>
3486
3487         PR middle-end/28776
3488         * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3489         parameter.  Convert arguments to arithmetic expression to the
3490         chrecs type.
3491         (analyze_scalar_evolution_1): Adjust caller.
3492
3493 2006-08-22  Jan Hubicka  <jh@suse.cz>
3494
3495         Patch by Paolo Bonzini
3496         * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3497         my previous patch.
3498
3499 2006-08-22  Daniel Berlin  <dberlin@dberlin.org>
3500
3501         PR tree-optimization/28003
3502         * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3503         before grouping aliases.
3504
3505 2006-08-22  Roger Sayle  <roger@eyesopen.com>
3506
3507         * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3508         if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3509
3510 2006-08-21  Jason Merrill  <jason@redhat.com>
3511
3512         PR c++/27115
3513         * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3514         wrapper.  Loop to handle nested wrappers.
3515         (gimplify_bind_expr): Remove temp parameter.
3516         (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3517         and STATEMENT_LIST on the rhs.
3518         (gimplify_statement_list): Voidify the STATEMENT_LIST.
3519         (gimplify_expr): Pass pre_p to gimplify_statement_list.
3520         (gimplify_target_expr): Remove special BIND_EXPR handling.
3521
3522 2006-08-21  J"orn Rennecke  <joern.rennecke@st.com>
3523
3524         * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3525         #if !__SHMEDIA__ .
3526
3527 2006-08-21  Olivier Hainque  <hainque@adacore.com>
3528
3529         * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3530         Arrange for the temporary captures of components overlapping the lhs
3531         to happen before the lhs is possibly cleared.
3532
3533 2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>
3534
3535         * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3536         necessary places to pass the correct "number of registers" values
3537         to _Unwind_VRS_Pop.
3538
3539 2006-08-20  Jan Hubicka  <jh@suse.cz>
3540
3541         * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3542         (create_name_tags): Instead of quadratic checking use hashtable.
3543         * bitmap.h: Include hashtab.h.
3544         (bitmap_hash): Declare.
3545         * bitmap.c (bitmap_hash): New function.
3546
3547 2006-08-20  Jan Hubicka  <jh@suse.cz>
3548
3549         PR rtl-optimization/28071
3550         * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3551         twice.
3552         * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3553         * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3554         (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3555         cgraph_decide_inlining_incrementally): Update use of
3556         cgraph_check_inline_limits.
3557         * cgraph.c (edge_hash, edge_eq): New function.
3558         (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3559         cgraph_edge_remove_caller, cgraph_node_remove_callees,
3560         cgraph_remove_node): Maintain call site hash.
3561         * cgraph.h (struct cgraph_node): Add call_site_hash.
3562         (cgraph_set_call_stmt): New function.
3563
3564 2006-08-20  Jan Hubicka  <jh@suse.cz>
3565
3566         PR rtl-optimization/28071
3567         * reload1.c (reg_has_output_reload): Turn into regset.
3568         (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3569         choose_reload_regs, emit_reload_insns): Update to new
3570         reg_has_output_reload.
3571
3572 2006-08-20  Jan Hubicka  <jh@suse.cz>
3573
3574         PR middle-end/28779
3575         * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3576         function body sizes.
3577         * cgraphunit.c (cgraph_analyze_function): Don't do so.
3578
3579 2006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3580
3581         PR target/28648 c:
3582         * tree.c (handle_dll_attribute): Return early if not a
3583         var or function decl.
3584
3585 2006-08-18  Joseph Myers  <joseph@codesourcery.com>
3586
3587         PR target/27565
3588         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3589         alignment of SPE vector types.
3590
3591 2006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
3592
3593         * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3594
3595 2006-08-17  Jakub Jelinek  <jakub@redhat.com>
3596
3597         PR c/28744
3598         * cgraph.h (struct cgraph_node): Remove externally_visible
3599         bitfield.
3600         * cgraphunit.c (process_function_and_variable_attributes): Set
3601         local.externally_visible rather than externally_visible.
3602
3603         PR c/28744
3604         * c-common.c (handle_externally_visible_attribute): First look
3605         at TREE_CODE and only if it is function or var decl, check for
3606         non-public objects.  Don't warn for DECL_EXTERNAL.
3607         * cgraphunit.c (process_function_and_variable_attributes): Warn
3608         if externally_visible attribute is used on non-public object.
3609
3610 2006-08-17  Jan Hubicka  <jh@suse.cz>
3611
3612         PR tree-optimization/27865
3613         * reload1.c (forget_marked_reloads): New function.
3614         (forget_old_reloads_1): When data are passed, just mark the registers
3615         for later removal.
3616         (reload_as_needed): Use the new mechanizm.
3617
3618 2006-08-17  Alexandre Oliva  <aoliva@redhat.com>
3619
3620         PR target/28146
3621         * reload.h (reg_equiv_alt_mem_list): New declaration.
3622         * reload1.c (reg_equiv_alt_mem_list): New definition.
3623         (reload): Initialize it and release it.
3624         (delete_output_reload): Use it.
3625         * reload.c (push_reg_equiv_alt_mem): New function.
3626         (find_reloads_toplev): Call it.
3627         (find_reloads_address, find_reloads_address_1): Likewise.
3628         (find_reloads_subreg_address): Likewise.
3629
3630 2006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3631
3632         PR rtl-optimization/28489
3633         * sched-ebb.c (begin_schedule_ready): Create basic block
3634         at the right place.
3635         (advance_target_bb): Skip empty blocks.
3636         * haifa-sched.c (bb_note): Make global.
3637         * sched-int.h (bb_note): Add prototype.
3638
3639 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3640
3641         PR tree-optimization/27865
3642         * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3643         for pointer types.
3644         * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3645         fold_used_pointer, pointer_used_p): New functions.
3646         (analyze_scalar_evolution_1): Use fold_used_pointer.
3647         * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3648         * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3649         for pointers.
3650
3651 2006-08-17  Paolo Bonzini <bonzini@gnu.org>
3652
3653         PR c++/28573
3654         * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3655         or the INTEGER_CST.  Fail on a CALL_EXPR.
3656         (fold_offsetof): Pass new argument to fold_offsetof_1.
3657         * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3658         operand into an INDIRECT_REF.
3659         * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3660
3661 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3662
3663         PR gcov/profile/26570
3664         * value-prof.c (static_values): Removed.
3665         (tree_find_values_to_profile): Do not set static_values.
3666         (find_values_to_profile): Do not free static_values.
3667         * profile.c (instrument_values): Do not free the values.
3668         (branch_prob): Free the values.
3669
3670 2006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>
3671
3672         * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3673
3674 2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>
3675
3676         PR c/27697
3677         * c-typeck.c (build_component_ref): Combine qualifiers of
3678         structure or union and field.
3679
3680 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3681
3682         PR rtl-optimization/28071
3683         * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3684         * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3685         * tree-into-ssa.c (struct dom_dfsnum): New.
3686         (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3687         functions.
3688         (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3689         compute_global_livein.
3690         (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3691         in phi nodes in the correct blocks.
3692
3693 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3694
3695         PR tree-optimization/28364
3696         * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3697         correctly.
3698         (fold_affine_expr): New function.
3699         (may_eliminate_iv): Use fold_affine_expr.
3700
3701 2006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3702
3703         PR c/27489
3704         * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3705         Clean up.
3706
3707 2006-08-16  Mike Stump  <mrs@apple.com>
3708
3709         * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3710         * doc/cppopts.texi (-MD): Likewise.
3711
3712 2006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>
3713
3714         PR c/28287
3715         * c-common.c (handle_weak_attribute): Ignore and warn if
3716         not a FUNCTION_ or VAR_DECL.
3717
3718 2006-07-15  Mike Stump  <mrs@apple.com>
3719
3720         PR c/28280
3721         * c-parser.c (c_parser_typeof_specifier): Don't use
3722         c_finish_expr_stmt, open code desired semantics instead.
3723
3724 2006-08-15  Nick Clifton  <nickc@redhat.com>
3725
3726         * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3727         fragment to tmake_file only if threads are enabled.
3728         * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3729         * config/i386/t-gthr-win32: New file. ... here.
3730
3731 2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3732
3733         PR c/28649
3734         * c-parser.c (c_parser_compound_statement_nostart): Reset
3735         parser->error after each statement.
3736
3737 2006-08-15  Jakub Jelinek  <jakub@redhat.com>
3738
3739         PR middle-end/28713
3740         * omp-low.c (lower_omp_parallel): Convert t to
3741         receiver_decl's type.
3742         (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3743         source before comparison.
3744
3745         PR middle-end/28724
3746         * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3747         to itype in assignment to oldival2.
3748
3749 2006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>
3750
3751         PR c/27490
3752         PR c/27489
3753         * c-typeck.c (build_compound_expr): If the second expression
3754         is an error mark, then just return an error mark instead of
3755         creating a COMPOUND_EXPR.
3756
3757 2006-07-14  Mike Stump  <mrs@apple.com>
3758
3759         * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3760
3761 2006-08-14  Kazu Hirata  <kazu@codesourcery.com>
3762
3763         * c-decl.c, var-tracking.c: Fix comment typos.
3764
3765 2006-08-14  Richard Sandiford  <richard@codesourcery.com>
3766
3767         PR rtl-optimization/28634
3768         * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3769         for floating-point modes unless flag_unsafe_math_optimizations.
3770
3771 2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
3772             Andrew Pinski  <pinskia@physics.uc.edu>
3773
3774         PR c/27184
3775         * tree.c (build_array_type): Unify array types with
3776         unspecified index_type.
3777         * c-decl.c (grokdeclarator): Make sure we do not modify a
3778         unified incomplete array type.
3779         * c-typeck.c (store_init_value): Create distinct type before
3780         filling in the index type in an initializer from a compound
3781         literal.
3782
3783         * c-decl.c (grokdeclarator): Remove code where we copy the
3784         array type over.
3785
3786 2006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>
3787
3788         * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3789         into account for TODO_dump_cgraph.
3790         (TODO_update_ssa_no_phi): Likewise.
3791         (TODO_update_ssa_full_phi): Likewise.
3792         (TODO_update_ssa_only_virtuals): Likewise.
3793         (TODO_remove_unused_locals): Likewise.
3794         (TODO_set_props): Likewise.
3795         (TODO_update_stmt_usage): Likewise.
3796
3797 2006-08-13  Dirk Mueller  <dmueller@suse.de>
3798
3799         * c-common.c (strict_aliasing_warning): Fix formatting.
3800
3801 2006-08-13  Matthias Klose  <doko@debian.org>
3802
3803         * doc/invoke.texi: Fix spelling errors.
3804
3805 2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3806
3807         PR rtl-optimization/23454
3808         * reorg.c (relax_delay_slots): Update comment.
3809
3810 2006-08-11  Richard Guenther  <rguenther@suse.de>
3811
3812         PR middle-end/28651
3813         * simplify-rtx.c (simplify_const_relational_operation):
3814         Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3815         codes.
3816
3817 2006-08-10  Eric Botcazou  <ebotcazou@adacore.com>
3818
3819         * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3820         TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3821
3822 2006-08-10  Paul Brook  <paul@codesourcery.com>
3823
3824         * final.c (final_scan_insn): Clear current_insn_predicate before
3825         outputting inline asm.
3826
3827 2006-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3828
3829         PR tree-optimization/26197
3830         * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3831         get_ref_base_and_extent and overlap_subvar to add only relevant
3832         subvars as may-aliases.
3833         (add_may_alias_for_new_tag): New function, factored out of
3834         new_type_alias.
3835         * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3836         with additional argument.
3837         * tree-flow.h (new_type_alias): Takes additional argument.
3838
3839 2006-08-09  Nathan Sidwell  <nathan@codesourcery.com>
3840
3841         * gcov.c (no_data_file): New flag.
3842         (read_count_file): Set it if data file not present.  Assume counts
3843         zero if not found.
3844         (output_lines): Don't name the data file, if there wasn't one.
3845
3846 2006-08-09  Eric Botcazou  <ebotcazou@adacore.com>
3847
3848         * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3849         (rs6000_generate_compare): Tweak comments.
3850         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3851
3852 2006-08-09  Alexandre Oliva  <aoliva@redhat.com>
3853
3854         * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3855         (var_debug_decl): New function.
3856         (var_reg_set): Follow debug decl link.  Add location even if
3857         reg is already known to hold some other variable.
3858         (var_mem_set): Follow debug decl link.
3859         (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3860         decl link.  Delete other known locations of the variable part
3861         if requested.
3862         (var_reg_delete, var_mem_delete): Delete other known locations
3863         of the variable part if requested.
3864         (same_variable_part_p): New function.
3865         (add_stores): Select MO_COPY when appropriate.
3866         (vt_initialize): Handle it.
3867         (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
3868         known locations for MO_SET and MO_CLOBBER.
3869         (find_variable_location_part): New function.
3870         (set_variable_part, delete_variable_part): Use it.
3871         (clobber_variable_part): New function.
3872         * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3873         decl link.
3874
3875 2006-08-07  Victor Kaplansky <victork@il.ibm.com>
3876
3877         PR tree-optimization/26969
3878         * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3879         with an empty list of PHIs.
3880
3881 2006-08-06  Paolo Bonzini  <bonzini@gnu.org>
3882
3883         PR target/27827
3884
3885         * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3886         instructions.
3887
3888 2006-08-06  Andreas Schwab  <schwab@suse.de>
3889
3890         * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3891         string.  Whitespace and comment fixup.
3892
3893 2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3894
3895         PR c/28502
3896         * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3897         argument.
3898
3899         PR c/27721
3900         * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3901
3902         PR c/28136
3903         * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3904
3905 2006-08-04  Jan Hubicka  <jh@suse.cz>
3906
3907         PR target/26655
3908         PR target/28270
3909         * reload.c (push_reload): Patch out the mismatching instruction;
3910         return early.
3911         (find_reload): Bail out if the instruction was patched out.
3912
3913 2006-08-04  Jan Hubicka  <jh@suse.cz>
3914
3915         PR tree-optimization/24888
3916         * tree-inline.c (expand_call_inline): Do not re-record variables.
3917         (declare_inline_vars): Add variable to unexpanded_var_list.
3918
3919 2006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3920             Roger Sayle  <roger@eyesopen.com>
3921
3922         PR rtl-optimization/26244
3923         * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3924         inner_const are negative or greater than or equal to the bitsize of
3925         MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3926         Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3927         Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
3928         CONST0_RTX (mode) when the new shift count is greater than or equal to
3929         to the bitsize of the object being shifted and XEXP (y, 0) has no side
3930         effects.
3931
3932 2006-08-04  Kazu Hirata  <kazu@codesourcery.com>
3933
3934         * tree-cfg.c: Fix a comment typo.
3935
3936 2006-08-03  Mark Mitchell  <mark@codesourcery.com>
3937
3938         PR c++/28148
3939         * varasm.c (output_constant): Give the front end another chance to
3940         expand constants, after stripping NOPs.
3941
3942 2006-08-03  Jan Hubicka  <jh@suse.cz>
3943
3944         * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3945         implementation.
3946
3947 2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
3948
3949         PR tree-optimization/27770
3950         * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3951         declaration removed (moved to tree-flow.h).
3952         (vect_can_force_dr_alignment_p): Likewise.
3953         * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3954         (moved from tree-vectorizer.h).
3955         (vect_can_force_dr_alignment_p): Likewise.
3956         * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3957         from outside the vectorizer - in particular from cgraph stage.
3958         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3959         the alignment of global arrays when -fsection-anchors is enabled.
3960         * cgraphunit.c (cgraph_increase_alignment): New function.
3961         (cgraph_optimize): Call cgraph_increase_alignment.
3962
3963 2006-08-03  David Edelsohn  <edelsohn@gnu.org>
3964
3965         PR target/27566
3966         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3967         not reload a SPE symbol_ref into a lo_sum address.
3968
3969 2006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>
3970
3971         PR debug/28063
3972         * dwarf2out.c (prune_unused_types_prune): Move call to
3973         prune_unused_types_update_strings to cover the parent DIE also.
3974
3975 2006-08-02  Jan Hubicka  <jh@suse.cz>
3976
3977         PR gcov/profile/28480
3978         * tree-cfg.c (change_bb_for_stmt): New function.
3979         (tree_merge_blocks, tree_split_blocks): Use it.
3980
3981 2006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3982
3983         PR c++/28250
3984         PR c++/28257
3985         PR c++/28259
3986         PR c++/28267
3987         * toplev.c (compile_file): Return early on errorcount or sorrycount.
3988         * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3989         (cgraph_optimize): Likewise.
3990
3991 2006-08-01  Stuart Hastings  <stuart@apple.com>
3992
3993         * rtl.h (UINTVAL) New.
3994         * config/rs6000/rs6000.c (SMALL_INT) Use it.
3995         * testsuite/gcc.dg/20060801-1.c: New.
3996
3997 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
3998
3999         PR debug/23336
4000         * c-typeck.c (build_external_type): Mark used enum types.
4001         * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4002         cfun also.
4003         (gen_subprogram_die): Whitespace fix.
4004
4005 2006-08-01  Jan Hubicka  <jh@suse.cz>
4006
4007         * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4008         bitmap when not needed.
4009         * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4010         bitmaps.
4011
4012 2006-08-01  Dirk Mueller  <dmueller@suse.de>
4013
4014         * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4015
4016 2006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4017
4018         * Makefile.in: Revert part of previous patch:
4019         Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4020         and REGS_H.
4021
4022 2006-07-30  Eric Christopher  <echristo@apple.com>
4023
4024         PR target/27543
4025         * doc/extend.texi (i386 Variable Attributes): Add anchor.
4026         (PowerPC Variable Attributes): New section.
4027
4028 2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
4029
4030         PR target/28126 (partial fix)
4031         * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4032
4033 2006-07-28  Jan Hubicka  <jh@suse.cz>
4034
4035         PR rtl-optimization/28071
4036         * cfgrtl.c (rtl_delete_block): Free regsets.
4037         * flow.c (allocate_bb_life_data): Re-use regsets if available.
4038
4039 2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4040
4041         * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4042         and variables used in dependencies.
4043
4044 2006-07-27  Arjan van de Ven <arjan@linux.intel.com>
4045
4046         * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4047         %fs for -mcmodel=kernel.
4048         (stack_tls_protect_test_di): Likewise.
4049
4050 2006-07-27  Carlos O'Donell  <carlos@codesourcery.com>
4051
4052         * Makefile.in: Use mkinstalldirs.
4053
4054 2006-07-27  H.J. Lu  <hongjiu.lu@intel.com>
4055
4056         PR driver/28437
4057         * opts-common.c (prune_options): Skip joined switches.
4058
4059 2006-07-27  Jan Hubicka  <jh@suse.cz>
4060
4061         PR rtl-optimization/28071
4062         * cselib.c (cselib_process_insn): Don't remove useless values too
4063         often for very large hashtables.
4064
4065 2006-07-27  Jan Hubicka  <jh@suse.cz>
4066
4067         PR rtl-optimization/28071
4068         * global.c (greg_obstack): New obstack.
4069         (allocate_bb_info): Use it.
4070         (free_bb_info): Likewise.
4071         (modify_reg_pav): Likewise.
4072
4073 2006-07-27  Roger Sayle  <roger@eyesopen.com>
4074
4075         * builtins.c (fold_fixed_mathfn): When long and long long are the
4076         same size, canonicalize llceil*, llfloor*, llround* and llrint*
4077         functions to their lceil*, lfloor*, lround* and lrint* forms.
4078
4079 2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4080
4081         PR gcc/28508
4082         * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4083         branch.
4084         (rev_branch_insn): Likewise.
4085
4086 2006-07-27  Jan Hubicka  <jh@suse.cz>
4087
4088         PR rtl-optimization/28071
4089         * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4090         (reg_set_in_bb, max_reg_computed): New static variables.
4091         (regmove_optimize): Free the new array.
4092         (fixup_match_1): Update call of reg_is_remote_constant_p.
4093
4094 2006-07-26  Jan Hubicka  <jh@suse.cz>
4095
4096         PR tree-optimization/27882
4097         * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4098         and decl fields.
4099         * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4100         next pointer
4101         (cgraph_analyze_compilation_unit): Likewise.
4102         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4103         * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4104         (cgraph_early_inlinine): Make order garbage collected.
4105         * Makefile.in (gt-ipa-inline): New garbagecollected file.
4106
4107 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
4108
4109         * dbxout.c (output_types_sort): Add a comment.
4110         (output_used_types): Free the VEC.
4111
4112 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
4113
4114         * function.c (reorder_fix_fragments): Delete.
4115         (reorder_blocks): Don't call it.
4116         (reorder_blocks_1): Put all subblocks under the origin block.
4117
4118 2006-07-26  Zdenek Dvorak <dvorakz@suse.cz>
4119
4120         PR rtl-optimization/27907
4121         * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4122         FLOAT_TRUNCATE.
4123
4124 2006-07-25  Roger Sayle  <roger@eyesopen.com>
4125
4126         PR middle-end/28473
4127         * convert.c (convert_to_integer): When transforming (T)foo(x) into
4128         bar(x) check that bar's result type can represent all the values of T.
4129
4130 2006-07-25  Zdenek Dvorak <dvorakz@suse.cz>
4131
4132         * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4133
4134 2006-07-25  Nick Clifton  <nickc@redhat.com>
4135
4136         * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4137         size_lookup[] array.
4138         (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4139         (ggc_pch_count_object): Likewise.
4140         (ggc_pch_alloc_object): Likewise.
4141         (ggc_pch_write_object): Likewise.
4142         (init_ggc): Do not attempt to initialize entries in the
4143         size_lookup[] array for objects whose size is greater than than
4144         the length of the array.
4145
4146 2006-07-25  Daniel Jacobowitz  <dan@codesourcery.com>
4147
4148         * dbxout.c (output_used_types_helper): Push queued types
4149         on a VEC.
4150         (output_types_sort): New.
4151         (output_used_types): Collect used types on a VEC and sort them
4152         before emission.
4153
4154 2006-07-24  Richard Guenther  <rguenther@suse.de>
4155
4156         PR middle-end/28463
4157         * cgraph.c (cgraph_remove_node): Do not check if dumps
4158         are enabled.
4159         * cgraphunit.c (cgraph_optimize): Likewise.
4160
4161 2006-07-24  Jan Hubicka  <jh@suse.cz>
4162
4163         PR rtl-optimization/28071
4164         * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4165         * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4166         splitting before first stmt.
4167
4168 2006-07-24  Jan Hubicka  <jh@suse.cz>
4169
4170         PR rtl-optimization/28071
4171         * ipa-inline.c (update_caller_keys): Remove edges that
4172         are no longer inline candidates.
4173
4174 2006-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
4175
4176         PR debug/27473
4177         * dbxout.c (output_used_types_helper, output_used_types): New.
4178         (dbxout_symbol): Call output_used_types.
4179
4180 2006-07-23  Jan Hubicka  <jh@suse.cz>
4181
4182         PR c/25795
4183         PR c++/27369
4184         * cgraph.c (cgraph_varpool_nodes): Export.
4185         (decide_is_variable_needed): Ignored "used" attribute in
4186         unit-at-a-time mode.
4187         * cgraph.h (cgraph_varpool_nodes): Declare.
4188         * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4189         unit-at-a-time mode.
4190
4191 2006-07-23  Roger Sayle  <roger@eyesopen.com>
4192
4193         PR target/28247
4194         * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4195         mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
4196         the __gthrw form of thr_keycreate.
4197         (__gthread_key_delete): Silence the unused argument warning.
4198
4199 2006-07-23  Steven Bosscher  <steven@gcc.gnu.org>
4200
4201         PR debug/25468
4202         * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4203         Cache the last found '\0' marker to avoid quadratic behavior.
4204
4205 2006-07-23  Jan Hubicka  <jh@suse.cz>
4206
4207         * i386.md (subsi_3_zext): Fix output template.
4208
4209 2006-07-21  Mike Stump  <mrs@apple.com>
4210
4211         * doc/invoke.texi (C++ Dialect Options): Note that
4212         -fvisibility-inlines-hidden doesn't affect explicitly
4213         instantiationed inline methods.
4214
4215 2006-07-20  Roger Sayle  <roger@eyesopen.com>
4216
4217         * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4218         if the target assembler is GNU binutils' gas.
4219         * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4220         whether to pass GNU gas or native as command line options.
4221
4222 2006-07-20  Jason Merrill  <jason@redhat.com>
4223
4224         * tree.c (remove_attribute): New fn.
4225         * tree.h: Declare it.
4226
4227 2006-07-20  Paul Brook  <paul@codesourcery.com>
4228
4229         PR 27363
4230         * cse.c (cse_insn): Add destination addresses to hash table. Check if
4231         they are invalidated by this instruction.
4232
4233 2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
4234
4235         PR target/28427
4236         * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4237
4238 2006-07-20  Eric Christopher  <echristo@apple.com>
4239
4240         PR target/26877
4241         * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4242
4243 2006-07-19  Eric Christopher  <echristo@apple.com>
4244
4245         * config/t-slibgcc-darwin (stmp-lipo): Remove.
4246         Rewrite dependencies for libgcc_s.1.dylib.
4247
4248 2006-07-19  Jakub Jelinek  <jakub@redhat.com>
4249
4250         * except.c (duplicate_eh_regions_1): Clear next_peer.
4251
4252 2006-07-17  Nathan Sidwell  <nathan@codesourcery.com>
4253
4254         * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4255         -mlongcall does not guarantee all calls will be long.
4256         * doc/extend.texi (long_call/short_call): Document that longcall
4257         does not guarantee a long call will be used.
4258         (longcall/shortcall): Likewise.
4259
4260 2006-07-18  Roger Sayle  <roger@eyesopen.com>
4261
4262         PR middle-end/28283
4263         * expmed.c (expand_shift): Additionally check that the shift_cost
4264         is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4265         before implementing a LSHIFT_EXPR as a sequence of additions.
4266         * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4267         middle-end that DImode shifts need to be synthesized by expand.
4268
4269 2006-07-18  Diego Novillo  <dnovillo@redhat.com>
4270
4271         PR 28410
4272         * tree-ssa-operands.c (access_can_touch_variable): Update
4273         comment.
4274         Return true if ALIAS is .GLOBAL_VAR.
4275
4276 2006-07-18  David Daney  <ddaney@avtrex.com>
4277
4278         * gcc.c (display_help): Fix typo in help text.
4279
4280 2006-07-18  Olivier Hainque  <hainque@adacore.com>
4281
4282         * tree.h (categorize_ctor_elements): Adjust prototype and add
4283         descriptive comment, both in accordance with the interface change
4284         described below.
4285         * varasm.c (constructor_static_from_elts_p): New function.
4286         Whether a constructor node is a valid static constant initializer
4287         if all its elements are.
4288         (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4289         * output.h: Declare it.
4290         * expr.c (categorize_ctor_elements_1): Return whether the constructor
4291         is a valid constant initializer instead of computing the number of
4292         non-constant elements.  Use constructor_static_from_elts_p for this
4293         purpose.  Replace the head comment with an indication that this is a
4294         helper for categorize_ctor_elements.
4295         (categorize_ctor_elements): Same interface change as for the _1
4296         helper.  Former head comment from this helper moved here, adjusted to
4297         account for the interface changes.
4298         (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4299         (all_zeros_p): Likewise.
4300         * gimplify.c (gimplify_init_constructor): Decide whether we can make
4301         static versions of the constructor from the categorize_ctor_elements
4302         return value instead of the formerly computed number of non-constant
4303         elements.
4304
4305 2006-07-18  Paolo Bonzini  <bonzini@gnu.org>
4306
4307         * configure: Regenerate.
4308         * Makefile.in (build_libsubdir): New configure substitution
4309         (build_libobjdir): New variable.
4310         (BUILD_LIBIBERTY): Use it.
4311
4312 2006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4313
4314         PR c/28286
4315         * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4316
4317 2006-07-18  Alexandre Oliva  <aoliva@redhat.com>
4318
4319         PR c/26993
4320         * c-common.c (handle_weakref_attribute): Ignore attribute in
4321         the same conditions the alias attribute is ignored.
4322
4323 2006-07-17  Carlos O'Donell  <carlos@codesourcery.com>
4324
4325         * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4326         (dbxout_begin_prologue): Increment scope_labelno.
4327
4328 2006-07-17  Richard Henderson  <rth@redhat.com>
4329
4330         PR 27889
4331         * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4332         if needed.
4333
4334 2006-07-17  Roger Sayle  <roger@eyesopen.com>
4335             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4336
4337         * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4338         synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
4339         blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
4340         functions such as sbrk, write, etc..  Add function prototypes.
4341         Convert function declarations from K&R to ISO C.  Cast pointers
4342         to "long" and "unsigned long" instead of "int" and "unsigned int".
4343         Convert tokens following #endif into comments.
4344
4345 2006-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4346
4347         * invoke.texi: Remove mention of f77; Reformat table for
4348         inline parameter options correctly; mention that -malign-double
4349         is default on x86-64 targets.
4350
4351 2006-07-17  Zdenek Dvorak <dvorakz@suse.cz>
4352
4353         * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4354         (convert_affine_scev, chrec_convert_aggressive): Use
4355         avoid_arithmetics_in_type_p.  Do not check for the subtypes
4356         separately.
4357
4358 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
4359
4360         PR middle-end/28403
4361         * optabs.c (expand_doubleword_shift): Wrap the call to
4362         do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4363
4364 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
4365
4366         PR middle-end/28402
4367         * optabs.c (expand_binop): Pass next_methods rather than methods
4368         to expand_doubleword_shift.
4369
4370 2006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
4371
4372         PR other/28251
4373         * tree.h (dump_addr): Declare.
4374         * print-tree.c (dump_addr): New function.
4375         (print_node_brief, print_node): Use it.
4376         * print-rtl.c (print_rtx): Likewise.
4377         * common.opt (-fdump-noaddr): New option.
4378         * doc/invoke.texi (-fdump-noaddr): Document.
4379         * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4380         (ve_info_hash): Likewise.
4381
4382 2006-07-13  Andrew Haley  <aph@redhat.com>
4383
4384         PR tree-optimization/19505
4385         * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4386         edge leaving this block, make sure that the destination of this
4387         block has only one predecessor.
4388
4389 2006-07-17  Richard Guenther  <rguenther@suse.de>
4390
4391         PR tree-optimization/28238
4392         * tree-inline.c (copy_bb): Check if we produced valid
4393         gimple copying and substituting a stmt.  If not, gimplify
4394         it.
4395
4396 2006-07-16  Eric Botcazou  <ebotcazou@adacore.com>
4397
4398         * optabs.c (maybe_encapsulate_block): New function extracted from...
4399         (emit_libcall_block): ...here.  Invoke it on the block of insns to
4400         maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4401         (emit_no_conflict_block): Likewise.
4402
4403 2006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4404
4405         * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4406
4407 2006-07-15  Roger Sayle  <roger@eyesopen.com>
4408
4409         * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4410         a new NOP_EXPR case of the switch statement.
4411
4412 2006-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4413
4414         PR middle-end/28160
4415         * stor-layout.c (place_field): Take the bit field with
4416         an excessive size into account in the ms-bitfiled case.
4417
4418         PR middle-end/28161
4419         * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4420         the previous bit field.
4421
4422 2006-07-14  Eliot Dresselhaus  <eliot@sonic.net>
4423
4424         PR target/27287
4425         * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4426
4427 2006-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4428
4429         * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4430         signal frames correctly even when the signal was installed with
4431         sa_restorer set.
4432
4433 2006-07-14  Carlos O'Donell  <carlos@codesourcery.com>
4434
4435         * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4436         (dbxout_function_end): Use local label LFBB. Remove hook
4437         DBX_OUTPUT_NFUN.
4438         (dbxout_source_line): Use local label LFBB.
4439         (dbxout_block): Likewise.
4440         (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4441         (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4442         * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4443         and DBX_OUTPUT_NFUN.
4444
4445 2006-07-13  Janis Johnson  <janis187@us.ibm.com>
4446
4447         * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4448
4449 2006-07-13  Jan Hubicka  <jh@suse.cz>
4450
4451         * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4452         align_variable.
4453         * output.h (align_variable): Declare.
4454         * varasm.c (align_variable): Export.
4455         * value-prof.c (tree_value_profile_transformations): Recompute iterator
4456         when basic block changed.
4457
4458 2006-07-13  Nick Clifton  <nickc@redhat.com>
4459
4460         * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4461         walking the LOG_LINKS chain.
4462
4463 2006-07-12  Geoffrey Keating  <geoffk@apple.com>
4464
4465         * doc/invoke.texi (C++ Dialect Options): Explain difference
4466         between -fvisibility-inlines-hidden and setting hidden
4467         visibility explicitly.
4468
4469 2006-07-12  Eric Christopher  <echristo@apple.com>
4470
4471         * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4472         (stmp-lipo): Depend on libgcc.a.
4473
4474 2006-07-12  Kazu Hirata  <kazu@codesourcery.com>
4475
4476         * tree.c: Fix a comment typo.
4477
4478 2006-07-12  Naveen.H.S  <naveenh@kpitcummins.com>
4479
4480         * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4481         dest.
4482         (umulhisi3_r): Likewise.
4483
4484 2006-07-12  Paolo Carlini  <pcarlini@suse.de>
4485
4486         PR libstdc++/27878
4487         * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4488         x < 19, vs wchar_t support.
4489
4490 2006-07-12  Nick Clifton  <nickc@redhat.com>
4491
4492         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4493         instead of -isa=sh4.
4494
4495 2006-07-12  Mike Stump  <mrs@apple.com>
4496
4497         * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4498
4499 2006-07-10  Eric Christopher  <echristo@apple.com>
4500
4501         * config/t-slibgcc-darwin: Rewrite.
4502
4503 2006-07-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4504
4505         PR bootstrap/20437
4506         * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4507         dependencies.
4508
4509 2006-07-08  Matthias Klose  <doko@debian.org>
4510
4511         * doc/sourcebuild.texi: Fix typo.
4512
4513 2006-07-07  Mike Stump  <mrs@apple.com>
4514
4515         * toplev.c (process_options): Don't give -ffunction-sections may
4516         affect debugging warning for Mach-O.
4517
4518 2006-07-07  James E Wilson  <wilson@specifix.com>
4519
4520         * config/mips/mips.md (cpu): Add sb1a.
4521         * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4522         addition to sb1.  Adjust comments to clarify SB-1A differences from
4523         SB-1.
4524         (ir_sb1a_load): New.  Modify bypasses to use it.
4525         (ir_sb1a_simple_alu): Likewise.
4526         * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4527         (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4528         (mips_issue_rate): Add PROCESSOR_SB1A.
4529         (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4530         * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4531         (TARGET_SB1): Add PROCESSOR_SB1A check.
4532         (TUNE_SB1): Likewise.
4533
4534         * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4535         * config/mips/mips.c (mips_store_data_bypass_p): New.
4536         * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4537         store_data_bypass_p.
4538
4539 2006-07-08  Paul Brook  <paul@codesourcery.com>
4540
4541         PR target/27991
4542         * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4543
4544 2006-07-07   Richard Guenther  <rguenther@suse.de>
4545
4546         PR middle-end/28268
4547         * tree.h (build_one_cst): Declare.
4548         * tree.c (build_one_cst): New function.
4549         * tree-ssa-math-opts.c (get_constant_one): Remove.
4550         (insert_reciprocals): Use build_one_cst.
4551         * fold-const.c (fold_plusminus_mult): Likewise.
4552
4553 2006-07-07  Roger Sayle  <roger@eyesopen.com>
4554
4555         * pointer-set.c (pointer_set_destroy): Correct whitespace.
4556         * cfgloopanal.c (dump_graph): Likewise.
4557         * dojump.c (discard_pending_stack_adjust): Likewise.
4558         * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4559         Likewise.
4560         * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4561         * function.c (finalize_block_changes): Likewise.
4562         * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4563         * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4564         * rtl.c (dump_rtx_statistics): Likewise.
4565         * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4566         Likewise.
4567         * varray.c (dump_varray_statistics): Likewise.
4568         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4569         decode_decimal64, encode_decimal128, decode_decimal128,
4570         decimal_real_to_decimal): Likewise.
4571
4572 2006-07-07  Richard Guenther  <rguenther@suse.de>
4573
4574         PR tree-optimization/28187
4575         * tree-vrp.c (vrp_operand_equal_p): New function.
4576         (vrp_bitmap_equal_p): Likewise.
4577         (update_value_range): Use them to compare old and new
4578         max and min values.
4579
4580 2006-07-06  Roger Sayle  <roger@eyesopen.com>
4581
4582         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4583         a default case to switch statement to silence compiler warnings.
4584
4585 2006-07-06  Roger Sayle  <roger@eyesopen.com>
4586
4587         PR target/27968
4588         * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4589         the configured assembler supports the x87's ffreep mnemonic.
4590         * configure: Regenerate.
4591         * config.in: Regenerate.
4592
4593         * config/i386/i386.c (output_387_ffreep): New function.
4594         (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4595         (output_387_reg_move): Likewise.
4596
4597 2006-07-06  Paul Eggert  <eggert@cs.ucla.edu>
4598
4599         Port to hosts whose 'sort' and 'tail' implementations
4600         treat operands with leading '+' as file names, as POSIX
4601         has required since 2001.  However, make sure the code still
4602         works on pre-POSIX hosts.
4603         * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4604         which says you should use "tail -c +N" rather than "tail +Nc".
4605         Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4606
4607 2006-07-06  Zdenek Dvorak <dvorakz@suse.cz>
4608
4609         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4610         argument name.
4611
4612 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
4613
4614         PR target/28150
4615         * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4616         PRE_{INC,DEC} of TFmode.
4617
4618 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
4619             Alan Modra  <amodra@bigpond.net.au>
4620
4621         PR target/28170
4622         * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4623         bounds. Simplify.
4624
4625 2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4626
4627         PR target/28285
4628         * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4629         Remove duplicate gtu.
4630
4631 2006-07-05  Jason Merrill  <jason@redhat.com>
4632
4633         PR c++/13983
4634         PR c++/17519
4635         * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4636         * c-common.c (handle_packed_attribute): So don't copy it here.
4637         * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4638
4639 2006-07-05  Mike Stump  <mrs@apple.com>
4640
4641         * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4642
4643 2006-07-05  H.J. Lu  <hongjiu.lu@intel.com>
4644
4645         PR target/26146
4646         * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4647
4648 2006-07-05  Richard Guenther  <rguenther@suse.de>
4649
4650         PR target/28158
4651         * config/i386/i386.md (*negdf2_1): Restrict pattern to
4652         TARGET_SSE2 targets if using SSE math.
4653         (*absdf2_1): Likewise.
4654
4655 2006-07-05  Richard Guenther  <rguenther@suse.de>
4656
4657         PR tree-optimization/28162
4658         * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4659         make sure to convert the operands to the correct type.
4660
4661 2006-07-04  Paolo Bonzini  <bonzini@gnu.org>
4662
4663         PR tree-optimization/28218
4664
4665         * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4666         to calculate and free the dominator information.
4667
4668 2006-07-04  Peter O'Gorman  <peter@pogma.com>
4669
4670         * mklibgcc.in: chmod 644 before ranlib during install.
4671
4672 2006-07-04  Andrew Stubbs <andrew.stubbs@st.com>
4673             J"orn Rennecke <joern.rennecke@st.com>
4674
4675         * configure.ac (.eh_frame data check): Use diff -b.
4676
4677 2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4678
4679         PR bootstrap/18058
4680         * Makefile.in (BUILD_RTL): Add build/vec.o.
4681         (build/gencondmd.o): Filter out -fkeep-inline-functions.
4682         (build/genextract): Delete.
4683         (build/genautomata): Likewise.
4684
4685 2006-07-04  Alan Modra  <amodra@bigpond.net.au>
4686
4687         PR target/28207
4688         * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4689         128-bit IBM long doubles for ABI_V4.
4690
4691 2006-07-03  Eric Botcazou  <ebotcazou@adacore.com>
4692
4693         * tree.c (range_in_array_bounds_p): New predicate.
4694         * tree.h (range_in_array_bounds_p): Declare it.
4695         * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4696         return a less conservative answer.
4697         * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4698         and flag 'is_group'.
4699         (IS_ELEMENT_FOR_GROUP): New macro.
4700         (FOR_EACH_ACTUAL_CHILD): Likewise.
4701         (next_child_for_group): New helper function.
4702         (can_completely_scalarize_p): Take into account groups.
4703         (sra_hash_tree): Handle RANGE_EXPR.
4704         (sra_elt_eq): Likewise.
4705         (lookup_element): Be prepared for handling groups.
4706         (is_valid_const_index): Delete.
4707         (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4708         instead of is_valid_const_index.
4709         <ARRAY_RANGE_REF>: New case.
4710         (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4711         is_valid_const_index.
4712         <ARRAY_RANGE_REF>: Do not unconditionally punt.
4713         (scan_dump): Dump info for groups too.
4714         (decide_instantiation_1): Likewise.
4715         (decide_block_copy): Assert that the element is not a group.
4716         Propagate decision to groups.
4717         (generate_one_element_ref): Handle RANGE_EXPR.
4718         (mark_no_warning): Iterate over actual childs.
4719         (generate_copy_inout): Likewise.
4720         (generate_element_copy): Likewise.
4721         (generate_element_zero): Likewise.
4722         (generate_element_init_1): Likewise.
4723         (dump_sra_elt_name): Handle RANGE_EXPR.
4724
4725 2006-07-03  Roger Sayle  <roger@eyesopen.com>
4726
4727         PR tree-optimization/26251
4728         * tree-ssa-threadupdate.c (redirection_block_p): New function.
4729         (thread_block): When optimizing for size refuse to thread jumps
4730         that would require duplication of blocks other than redirection
4731         blocks.
4732
4733 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
4734
4735         * configure.ac: Fix thinko in previous check-in.
4736         * configure: Regenerate.
4737
4738 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
4739
4740         PR other/27063
4741         * configure.ac (for lang...): Simplify nesting of conditionals.
4742         Test subdir_requires for non-enabled languages.  Move processing
4743         of lang_opt_files and lang_tree_fiels below that test.
4744         * configure: Regenerate.
4745         * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4746
4747 2006-07-01  Martin Michlmayr  <tbm@cyrius.com>
4748
4749         * doc/gcov.texi (Invoking Gcov): Add a missing word.
4750
4751 2006-06-30  Kazu Hirata  <kazu@codesourcery.com>
4752
4753         * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4754         comment typos.
4755
4756 2006-06-29  Jason Merrill  <jason@redhat.com>
4757
4758         PR c++/26905
4759         PR c++/26612
4760         PR c++/27000
4761         PR c++/26984
4762         PR c++/19134
4763         * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4764         * c-common.c (c_determine_visibility): Handle it here.
4765         * c-decl.c (finish_decl): Call c_determine_visibility for
4766         functions, too.
4767         * flags.h (enum symbol_visibility): Sort from most to least visibility.
4768         * tree.h: Likewise.
4769         * varasm.c (default_assemble_visibility): Likewise.
4770         * c-common.c (handle_visibility_attribute): Complain about trying
4771         to give visibility to an already defined class, or trying to change
4772         declared visibility. Always attach the attribute.
4773
4774         PR c++/26905
4775         PR c++/21675
4776         PR c++/17470
4777         * attribs.c (decl_attributes): Ignore type-in-place attributes
4778         once the type has been defined.
4779
4780 2006-06-29  Roger Sayle  <roger@eyesopen.com>
4781
4782         PR middle-end/27428
4783         * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4784         to indicate the cpplib has issued an error message for us.
4785
4786 2006-06-29  Asher Langton  <langton2@llnl.gov>
4787
4788         PR target/25765
4789         * config/i386/i386.c (ix86_output_function_epilogue): Don't
4790         insert a label at the end of an function under Mach-O.
4791
4792 2006-06-29  Eric Christopher  <echristo@apple.com>
4793             Evan Cheng  <evan.cheng@apple.com>
4794
4795         * predicates.md (vector_all_ones_operand): New.
4796         (nonimmediate_or_sse_const_operand): Ditto.
4797         * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4798         * config/i386/i386.c (standard_sse_constant_opcode): Define.
4799         (standard_sse_mode_p): Ditto.
4800         (standard_sse_constant_p): Add case for -1 vector.
4801         (ix86_expand_vector_move): Try to use.
4802         * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4803         Call standard_sse_constant_opcode.
4804         (*movv4sf_internal): Ditto.
4805         (*movv2df_internal): Ditto.
4806
4807 2006-06-29  Roger Sayle  <roger@eyesopen.com>
4808
4809         * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4810         of XEXP to extract the operands of a MATCH_CODE rtx.
4811
4812 2006-06-28  Andrew Pinski  <pinskia@gmail.com>
4813
4814         * tree.c (tree_size): Do not waste tail padding in
4815         struct tree_string and make the size be the same as
4816         build_string will generate.
4817
4818 2006-06-28  Jason Merrill  <jason@redhat.com>
4819
4820         PR c++/27768
4821         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4822         may_aliases already in the tag's annotations to the bitmap.
4823
4824 2006-06-28  Roger Sayle  <roger@eyesopen.com>
4825
4826         * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4827
4828 2006-06-28  Roger Sayle  <roger@eyesopen.com>
4829
4830         * genpreds.c (generate_switch_p): New function.
4831         (add_mode_tests): Push the new mode test down inside an AND expr
4832         if this allows the switch-suitable MATCH_CODE to be near the root.
4833         (write_match_code_switch): New function to write a MATCH_CODE as
4834         a switch statement.
4835         (write_predicate_stmts): New function to write a predicate RTX
4836         expression as a sequence of statements.
4837         (write_one_predicate_function): Use write_predicate_stmts.
4838         (write_tm_constrs_h): Likewise.
4839
4840 2006-06-26  Fred Fish  <fnf@specifix.com>
4841
4842         * config/mips/t-sb1: New file.
4843         * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4844         tmake_file list.
4845
4846 2006-06-26  DJ Delorie  <dj@redhat.com>
4847
4848         * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4849
4850 2006-06-26  Naveen H.S  <naveenh@kpitcummins.com>
4851             Jayant Sonar  <jayants@kpitcummins.com>
4852             Jaydeep Vipradas  <jaydeepv@kpitcummins.com>
4853
4854         * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4855         (subsi3, subsi3_1, subsi3_2): New.
4856         * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4857         * config/m32c/mov.md (SI mov peephole): New.
4858         * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4859         * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4860
4861 2006-06-26  Olivier Hainque  <hainque@adacore.com>
4862
4863         * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4864         a CALL_EXPR target function declaration.
4865
4866 2006-06-26  Richard Guenther  <rguenther@suse.de>
4867
4868         * tree.c (build_string): Do not waste tail padding in
4869         struct tree_string.
4870
4871 2006-06-26  Richard Guenther  <rguenther@suse.de>
4872
4873         * ggc-page.c (init_ggc): Add missing element to size_lookup
4874         table.
4875
4876         Revert
4877         2006-06-23  Richard Guenther  <rguenther@suse.de>
4878
4879         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4880         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
4881         alignment requests instead.  Add verification code.
4882         Add struct tree_function_decl and struct tree_binfo size to
4883         extra_order_size_table.  Add missing element to size_lookup
4884         table.
4885
4886 2006-06-25  Eric Botcazou  <ebotcazou@adacore.com>
4887
4888         PR middle-end/28151
4889         * fold-const.c (const_binop): Be prepared for self returning zero.
4890         Simplify code handling complex values.
4891
4892 2006-06-24  Olivier Hainque  <hainque@adacore.com>
4893
4894         * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4895         (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4896         aggregate types.
4897
4898 2006-06-24  Olivier Hainque  <hainque@adacore.com>
4899
4900         * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4901         ARRAY_REF, so have the callback called for the low bound expression.
4902
4903 2006-06-23  Janis Johnson  <janis187@us.ibm.com>
4904
4905         * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4906         * c-typeck.c (c_common_type): Disallow operations on decimal float
4907         types and other float types.
4908         * convert.c (convert_to_real): Don't ignore conversions involving
4909         decimal float types.
4910
4911 2006-06-23  Olivier Hainque  <hainque@adacore.com>
4912
4913         * tree.c (max_int_size_in_bytes): New function, inspired from
4914         code in function.c:assign_temp.
4915         * tree.h (max_int_size_in_bytes): Declare.
4916         * function.c (assign_temp): Use it.
4917         * gimplify.c (create_tmp_var): Relax the assertions on the type
4918         properties, not mandating constant size any more.
4919         (force_constant_size): New static function.
4920         (gimple_add_tmp_var): Use it, forcing variable size to a
4921         constant upper bound if it is not constant on entry.
4922
4923 2006-06-23  Danny Smith   <dannysmith@users.sourceforge.net>
4924
4925         PR target/27789
4926         * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4927         for initialization and setting of one_only flag to ...
4928         (i386_pe_encode_section_info): ...here.
4929         (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4930         Recheck that the symbol has not been defined.
4931
4932 2006-06-23  Richard Guenther  <rguenther@suse.de>
4933
4934         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4935         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
4936         alignment requests instead.  Add verification code.
4937         Add struct tree_function_decl and struct tree_binfo size to
4938         extra_order_size_table.  Add missing element to size_lookup
4939         table.
4940
4941 2006-06-22  Roger Sayle  <roger@eyesopen.com>
4942             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4943
4944         PR middle-end/28131
4945         * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4946         call to lang_hooks.types.type_for_mode returned NULL_TREE.
4947
4948 2006-06-23  Ben Elliston  <bje@au.ibm.com>
4949
4950         * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4951         negate dn -- manipulate it directly.
4952
4953 2006-06-22  Roger Sayle  <roger@eyesopen.com>
4954             Steven Bosscher  <stevenb.gcc@gmail.com>
4955
4956         PR target/27531
4957         * reload1.c (gen_reload): Call mark_jump_label on the new insns
4958         generated by gen_move_insn to add REG_LABEL notes if necessary.
4959
4960 2006-06-22  Bob Wilson  <bob.wilson@acm.org>
4961
4962         * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4963         (leaf_entry): Remove use of MIN_ESA.
4964
4965 2006-06-22  Zdenek Dvorak <dvorakz@suse.cz>
4966
4967         PR rtl-optimization/28121
4968         * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4969         the entry edge.
4970
4971 2006-06-21  DJ Delorie  <dj@redhat.com>
4972
4973         * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4974         (TN-16C-A156A/E).
4975         (mulhisi3_r): Likewise.
4976
4977 2006-06-21  Richard Sandiford  <richard@codesourcery.com>
4978
4979         PR middle-end/28034
4980         * coverage.c (coverage_counter_alloc): Leave the index type
4981         unspecified.
4982         (coverage_counter_alloc): Use null arguments for operands 2 and 3
4983         of the ARRAY_REF.
4984
4985 2006-06-21  Andrew Pinski  <pinskia@physics.uc.edu>
4986
4987         * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4988         section from the "Options for Code Generation Conventions".
4989
4990 2006-06-21  Richard Henderson  <rth@redhat.com>
4991
4992         PR target/26347
4993         PR target/27082
4994         * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4995         symbols.
4996         (global_symbolic_operand): Allow weak symbols, even if local_p.
4997
4998 2006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
4999
5000         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5001         (find_interesting_uses_address): Punt if above function returns true.
5002
5003 2006-06-21  Richard Guenther  <rguenther@suse.de>
5004
5005         * configure: Regenerated.
5006
5007 2006-06-21  Joseph Myers  <joseph@codesourcery.com>
5008
5009         * config/mips/mips.c (function_arg): Where one part of a
5010         complex argument is in registers and the other part in the stack,
5011         return a REG not a PARALLEL.
5012
5013 2006-06-21  Mark Mitchell  <mark@codesourcery.com>
5014
5015         * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5016         when cross-compiling.  Do not substitute libstdcxx_incdir.
5017         * configure: Regenerated.
5018
5019 2006-06-21  Jakub Jelinek  <jakub@redhat.com>
5020
5021         * varasm.c (mergeable_string_section): Check for embedded NULs and
5022         NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5023         rather than TREE_STRING_LENGTH bytes.
5024
5025 2006-06-21  Richard Guenther  <rguenther@suse.de>
5026
5027         * ggc-page.c (extra_order_size_table): Add var_ann_d,
5028         tree_ssa_name, bitmap_element and phi_node with 4 arguments
5029         sizes.
5030
5031 2006-06-21  Richrad Guenther  <rguenther@suse.de>
5032
5033         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5034         Limit iteration over the dominators.
5035
5036 2006-06-20  Roger Sayle  <roger@eyesopen.com>
5037
5038         * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5039         (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5040
5041 2006-06-20  Richard Guenther  <rguenther@suse.de>
5042         Michael Matz  <matz@suse.de>
5043
5044         * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5045         function.
5046         * alloc-pool.c (free_alloc_pool_if_empty): New function.
5047         * et-forest.h (et_free_pools): Prototype new function.
5048         * et-forest.c (et_free_tree_force): Free parent occurrence.
5049         (et_free_pools): New function.
5050         * dominance.c (free_dominance_info): Free et-forest alloc
5051         pools.
5052
5053 2006-06-20  Roger Sayle  <roger@eyesopen.com>
5054
5055         * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5056         integer modes, attempt to directly construct an integer constant.
5057
5058         * fold-const.c (native_encode_vector): Determine the size of each
5059         element from the vector type instead of the first vector element.
5060
5061         * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5062         if all of its elements/components are constant.
5063         (build_constructor_from_list): Likewise.
5064
5065 2006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
5066
5067         PR tree-optimization/27331
5068         * tree-data-ref.c (free_data_ref): New function.
5069         (create_data_ref): Fail if the data reference has unknown access
5070         function.
5071         (free_data_refs): Use free_data_ref.
5072
5073 2006-06-19  Andrew Pinski  <pinskia@gmail.com>
5074
5075         PR middle-end/28075
5076         * tree-inline.c (setup_one_parameter): Strip useless
5077         type conversion before adding it to the IR.
5078         (declare_return_variable): Likewise.
5079
5080 2006-06-19  Martin Michlmayr  <tbm@cyrius.com>
5081
5082         PR c/27149
5083         * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5084
5085 2006-06-19  Mike Stump  <mrs@apple.com>
5086
5087         * tree.c (variably_modified_type_p): VM arguments don't make the
5088         type a VM type.
5089
5090 2006-06-19  Richard Guenther  <rguenther@suse.de>
5091
5092         * tree-ssa-pre.c (try_combine_conversion): Strip useless
5093         type conversions after folding.
5094
5095 2006-06-19  Richard Guenther  <rguenther@suse.de>
5096
5097         * ggc-page.c (extra_order_size_tab): Add entries with
5098         size of struct function and basic_block.
5099         (size_lookup): Extend to cover sizes up to 511.
5100         (ggc_alloc_stat): Adjust user.
5101         (ggc_pch_count_object): Likewise.
5102         (ggc_pch_alloc_object): Likewise.
5103         (ggc_pch_write_object): Likewise.
5104
5105 2006-06-19  Zdenek Dvorak <dvorakz@suse.cz>
5106
5107         * tree-ssa-loop-niter.c (implies_ge_p): New function.
5108         (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5109         correctly.
5110
5111 2006-06-19  Denis Chertykov  <denisc@overta.ru>
5112
5113         * config/avr/libgcc.S : Correct my wrong previous commit.
5114
5115 2006-06-19  Roger Sayle  <roger@eyesopen.com>
5116
5117         PR target/27861
5118         * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5119         have stripped a SUBREG from the shift count, so we may need to
5120         convert_to_mode back to the type's mode before calling make_tree.
5121         Use new_amount instead of amount to avoid expanding a tree twice.
5122
5123 2006-06-19  Richard Guenther  <rguenther@suse.de>
5124
5125         PR middle-end/28045
5126         * fold-const.c (operand_equal_p): Check if the argument types
5127         have the same precision before stripping NOPs.
5128
5129 2006-06-19  Daniel Berlin  <dberlin@dberlin.org>
5130
5131         Fix PR tree-optimization/27341
5132         * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5133         statement we get.
5134         * tree-complex.c (pass_lower_complex): Update SMT usage.
5135
5136 2006-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5137
5138         * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5139         Add a new alternative to the constraint strings. Add move of
5140         operand 1 to 3 to the splitter definition.
5141         ("doloop_si_long"): Second contraint alternative removed.
5142
5143 2006-06-08  Anatoly Sokolov <aesok@post.ru>
5144
5145         * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5146         (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5147         __AVR_HAVE_LPMX__.
5148         (AVR_HAVE_MOVW) Define.
5149         (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5150         (ASM_SPEC): Add avr25.
5151         (LINK_SPEC): Add avr25.
5152         * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5153         (base_arch_s): Add new member 'have_movw_lpmx'.
5154         (avr_arch_types): Init 'have_movw_lpmx'.
5155         (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5156         attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5157         attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5158         (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5159         (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5160         AVR_HAVE_MOVW.
5161         (avr_file_start): Do not output '.arh' derective.
5162         * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5163         (__do_copy_data): Use __AVR_HAVE_LPMX__.
5164         * config/avr/avr.md (mcu_enhanced): Delete.
5165         (mcu_have_movw): Define.
5166         (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5167         (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5168         * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5169         (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5170         attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5171         attiny861 and at86rf401 devices.
5172
5173 2006-06-18  Jie Zhang  <jie.zhang@analog.com>
5174
5175         * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5176         of 4096.
5177
5178 2006-06-17  Karl Berry  <karl@gnu.org>
5179
5180         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5181         doc/gccint.texi, doc/install.texi (@dircategory): Use
5182         "Software development" instead of "Programming", following
5183         the Free Software Directory.
5184
5185 2006-06-17  Alexandre Oliva  <aoliva@redhat.com>
5186
5187         * config/i386/i386.c (legitimate_tls_address)
5188         <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5189         * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5190         (*tls_dynamic_gnu2_combine_64): Likewise.
5191
5192 2006-06-16  Richard Guenther  <rguenther@suse.de>
5193
5194         PR middle-end/27116
5195         * fold-const.c (negate_expr_p): Do not introduce undefined
5196         overflow in negating INTEGER_CSTs.
5197         (fold_negate_expr): Rename from negate_expr.  Revert last
5198         change for folding BIT_NOT_EXPR.  Change semantics to
5199         return NULL_TREE for non-simplified negations.  Do not
5200         strip type conversions and unify type handling.
5201         (negate_expr): New function, wrap around fold_negate_expr
5202         but ensure building a tree always.  Strip type conversions
5203         here, fold to result type.
5204         (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5205
5206 2006-06-16  Roger Sayle  <roger@eyesopen.com>
5207
5208         PR middle-end/27802
5209         * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5210         that (would) return their results in stack registers.
5211
5212 2006-06-16  Michael Matz  <matz@suse.de>
5213         Richard Guenther  <rguenther@suse.de>
5214
5215         * fold-const.c (fold_truthop): Only return new tree node if
5216         we canonicalized something.
5217
5218 2006-06-16  Richard Guenther  <rguenther@suse.de>
5219
5220         * function.h (enum function_frequency): Move declaration
5221         out of struct function.
5222         (struct function): Move bool fields and the enum to the bitfield
5223         section.  Reorder elements to avoid padding.  Remove unused
5224         fields left over from the RTL inliner removal.
5225         * function.c (free_after_compilation): Do not zero removed fields.
5226         * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5227         (ipa-type-escape.o): Likewise.
5228
5229 2006-06-16  Richard Guenther  <rguenther@suse.de>
5230
5231         * cgraph.h (struct cgraph_local_info): Turn bool elements
5232         into a bitfield.
5233         (struct cgraph_node): Likewise.
5234         (struct cgraph_varpool_node): Likewise.
5235
5236 2006-06-15  Richard Guenther  <rguenther@suse.de>
5237
5238         * fold-const.c (fold_truth_not_expr): Rename from
5239         invert_truthvalue.  Give it fold_* semantics to avoid
5240         generating garbage.
5241         (invert_truthvalue): New function.  Wrapper around
5242         fold_truth_not_expr.
5243         (optimize_minmax_comparison): Avoid creating garbage.
5244         (fold_unary): Use fold_truth_not_expr for folding
5245         TRUTH_NOT_EXPR.
5246         (fold_ternary): Replace uses of invert_truthvalue with
5247         fold_truth_not_expr where applicable.
5248         * tree.h (fold_truth_not_expr): Prototype.
5249
5250 2006-06-16  Richard Guenther  <rguenther@suse.de>
5251
5252         PR tree-optimization/27781
5253         * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5254         * ipa-pure-const.c (target.h): Include.
5255         (analyze_function): Do not analyze functions that do not
5256         bind locally.
5257
5258 2006-06-15  Andrew MacLeod  <amacleod@redhat.com>
5259
5260         PR middle-end/27793
5261         * tree-dfa.c (referenced_vars_dup_list): Remove.
5262         (find_referenced_vars): Remove assert.
5263         (referenced_var_check_and_insert): Replace dup list with assert.
5264         * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5265         * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5266
5267 2006-06-15  Richard Guenther  <rguenther@suse.de>
5268
5269         * tree-ssa-structalias.c (alias_get_name): Avoid creating
5270         extra unused identifiers if not dumping.
5271         (create_variable_info_for): Likewise.
5272
5273 2006-06-15  Zdenek Dvorak <dvorakz@suse.cz>
5274
5275         * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5276         (derive_constant_upper_bound): Derive more precise upper bound in
5277         common cases.  Return type changed to double_int.
5278         (record_estimate): Reflect the changed return type of
5279         derive_constant_upper_bound.
5280         * double-int.c (double_int_zext, double_int_sext): Fix.
5281
5282 2006-06-15  Paolo Bonzini  <bonzini@gnu.org>
5283
5284         * configure.ac (CFLAGS): Get them from the toplevel or from the
5285         configure invocation.
5286         * configure: Regenerate.
5287         * Makefile.in (CFLAGS): Substitute value provided by configure.
5288
5289 2006-06-14  Mark Mitchell  <mark@codesourcery.com>
5290
5291         PR c++/26559
5292         * c-common.h (c_finish_omp_atomic): Adjust declaration.
5293         * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5294         rather than calling add_stmt on it.
5295         * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5296
5297 2006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5298
5299         PR middle-end/27959
5300         * reload1.c (reload): Remove registers returned by update_eliminables
5301         from used_spill_regs.
5302
5303 2006-06-13  DJ Delorie  <dj@redhat.com>
5304
5305         * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5306
5307 2006-06-13  Carlos O'Donell  <carlos@codesourcery.com>
5308
5309         * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5310         html__strip_dir, html__mkdir_p. Enhance install-html target.
5311         * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5312         * configure: Regenerate.
5313
5314 2006-06-13  Fariborz Jahanian <fjahanian@apple.com>
5315
5316         * fold-const.c (fold_cond_expr_with_comparison): Check for
5317         Objective-C++ as language in deciding COND_EXPR transformation.
5318
5319 2006-06-06  J"orn Rennecke <joern.rennecke@st.com>
5320
5321         PR target/28014:
5322         * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5323         * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5324         * config/sh/lib1funcs.h (SL, SL1): Define.
5325         * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5326         * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5327         * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5328         (OBJS_Os_4_200): New variable.
5329         ($(T)libgcc-Os-4-200.a): Use it.
5330         * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5331         when dividing 1 and/or by 0.
5332
5333 2006-06-13  Roger Sayle  <roger@eyesopen.com>
5334
5335         * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5336         before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5337         * configure: Regenerate.
5338
5339 2006-06-13  Jie Zhang  <jie.zhang@analog.com>
5340
5341         * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5342         for real instruction.
5343
5344 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5345
5346         PR middle-end/26807
5347         * haifa-sched.c (check_cfg): Handle special case.
5348
5349 2006-06-13  Eric Botcazou  <ebotcazou@adacore.com>
5350
5351         PR debug/26754
5352         * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5353         Add debug_info parameter.  Chain the vars to the BLOCK instead
5354         of the BIND_EXPR if debug info are requested for them.
5355         (pop_gimplify_context): Adjust for above change.
5356         (gimple_add_tmp_var): Likewise.
5357         * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5358         Add bool parameter.
5359         * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5360         (convert_local_reference): Likewise.
5361         (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5362         (finalize_nesting_tree_1): Request that debug info be emitted
5363         for debug_var_chain.
5364
5365 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5366
5367         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5368         for PR target/27863.
5369
5370 2006-06-13  Richard Guenther  <rguenther@suse.de>
5371
5372         PR middle-end/27536
5373         * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5374
5375 2006-06-13  Richard Guenther  <rguenther@suse.de>
5376
5377         PR tree-optimization/27830
5378         * tree-inline.c (copy_body_r): For copying the operand
5379         of an ADDR_EXPR make sure to fold &* afterwards.
5380
5381 2006-06-12  Eric Botcazou  <ebotcazou@adacore.com>
5382
5383         * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5384         lvalues in the fb_none case with side-effects.
5385
5386 2006-06-12  Kazu Hirata  <kazu@codesourcery.com>
5387
5388         * tree-flow.h: Remove the prototype for
5389         compute_phi_arg_on_exit.
5390         * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5391         protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5392         Remove.
5393
5394 2006-06-12  Mark Shinwell  <shinwell@codesourcery.com>
5395
5396         * builtins.c (expand_builtin_return_addr): Only use
5397         frame_pointer_rtx when count == 0 and we are expanding
5398         __builtin_return_address.
5399
5400 2006-06-12  Fred Fish  <fnf@specifix.com>
5401
5402         * config/mips/mips.c (mips_file_start): Create special section
5403         ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5404
5405 2006-06-11  Eric Christopher  <echristo@apple.com>
5406
5407         PR middle-end/27948
5408         * stor-layout.c (place_field): Remove check for
5409         remaining_in_alignment when aligning at the end of a run.
5410
5411 2006-06-11  Eric Christopher  <echristo@apple.com>
5412
5413         PR 27542
5414         * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5415         pragma.
5416
5417 2006-06-11  Roger Sayle  <roger@eyesopen.com>
5418
5419         PR target/27858
5420         Revert incorrect fix for PR target/27158
5421         2006-05-08  Roger Sayle  <roger@eyesopen.com>
5422         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5423         of a reg_equiv_constant if the result is a legitimate constant.
5424
5425 2006-06-11  Roger Sayle  <roger@eyesopen.com>
5426
5427         PR target/27158
5428         * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5429         extract a CONST_VECTOR element and interpret it as an integer.
5430         (vspltis_constant): Use const_vector_elt_as_int instead of the
5431         macro CONST_VECTOR_ELT in order to handle FP vector modes.
5432         * config/rs6000/predicates.md (easy_vector_const): Consider
5433         floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5434
5435 2006-06-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5436
5437         PR middle-end/27942
5438         * stor-layout.c (update_alignment_for_field): Don't add extra
5439         alignment for packed non-bitfield fields in ms_bitfield_layout_p
5440         code.
5441
5442 2006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>
5443
5444         * config/mips/t-rtems: Add EL/EB multilib variants.
5445
5446 2006-06-09  Mike Stump  <mrs@apple.com>
5447
5448         * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5449
5450 2006-06-09  David Daney  <ddaney@avtrex.com>
5451
5452         * doc/install.texi: Add binutils version recommendation for mips-*-*.
5453
5454 2006-06-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5455
5456         * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5457
5458 2006-06-09  Richard Guenther  <rguenther@suse.de>
5459
5460         PR tree-optimization/26998
5461         * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5462         of signed types, only TYPE_MIN_VALUE is special, but for both,
5463         minimum and maximum value.  Likewise VR_ANTI_RANGE is special
5464         in this case, as is -fwrapv.
5465
5466 2006-06-08  Mike Stump  <mrs@apple.com>
5467
5468         PR target/26427
5469         * config/darwin.c (darwin_asm_output_anchor): Disable
5470         -fsection-anchors on darwin for now.
5471         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5472         * rs6000/rs6000.c (optimization_options): Likewise.
5473
5474 2006-06-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5475
5476         PR target/27421
5477         * config/i386/i386.c (classify_argument): Skip fields with invalid
5478         types in unions.
5479
5480 2006-06-08  Steven Bosscher  <steven@gcc.gnu.org>
5481
5482         * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5483         (cse_insn): Likewise for the stack_pointer_rtx.
5484
5485 2006-06-08  Roger Sayle  <roger@eyesopen.com>
5486
5487         * tree-ssa-dom.c (record_conditions): Only record "unordered"
5488         conditions from floating point comparisons.
5489
5490 2006-06-08  Paolo Bonzini  <bonzini@gnu.org>
5491
5492         PR middle-end/27733
5493         * expmed.c (struct alg_hash_entry): Fix type of field T
5494         to match synth_mult argument.
5495         (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5496
5497 2006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5498
5499         PR target/27863
5500         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5501         block boundaries.
5502
5503 2006-06-08  Richard Guenther  <rguenther@suse.de>
5504
5505         PR middle-end/27116
5506         * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5507         only, if overflow is defined and not trapping.
5508         (negate_expr): Likewise.
5509
5510 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
5511
5512         PR tree-optimization/27872
5513         * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5514         flag on the new exit edge of the unrolled loop.
5515
5516 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
5517
5518         PR rtl-optimization/26449
5519         * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5520
5521 2006-06-07  Andrew MacLeod  <amacleod@redhat.com>
5522
5523         PR middle-end/27793
5524         * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
5525         referenced_variables with matching DECL_UID's.
5526         (find_referenced_vars): Make sure duplicate list is empty to start.
5527         (referenced_var_p): Remove.
5528         (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5529         Check if var is in the list, and add if needed.  Update the duplicate
5530         list if a different var is in the list with the same DECL_UID.
5531         (add_referenced_var): Call routine to check and insert.
5532         * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5533         * tree-flow.h (referenced_vars_dup_list): External declaration.
5534
5535 2006-06-07  Fred Fish  <fnf@specifix.com>
5536
5537         * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5538         into single entry.
5539
5540 2006-06-07  Paolo Bonzini  <bonzini@gnu.org>
5541
5542         PR target/27390
5543         * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5544         the imaginary and real parts of a clobbered register.
5545         Emit insn to set the imaginary part.
5546
5547 2006-06-06  Peter Lemieszewski  <lemie@us.ibm.com>
5548
5549         * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5550         in lieu of unwind-dw2-fde.c.
5551
5552 2006-06-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5553
5554         * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5555
5556 2006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>
5557
5558         PR target/27842
5559         * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5560         ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5561         ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5562         V4SImode temporaries and operations instead.
5563
5564 2006-06-06  Joseph S. Myers  <joseph@codesourcery.com>
5565
5566         * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5567         dp-bit.c.
5568
5569 2006-06-06  Mike Stump  <mrs@apple.com>
5570
5571         * Makefile.in: Rename to htmldir to build_htmldir to avoid
5572         installing during build.
5573
5574 2006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5575
5576         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5577         value to 0.
5578         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5579         * config/ia64/ia64.c (params.h): New header.
5580         (ia64_optimization_options): New function to adjust parameters.
5581         * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5582         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5583         * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5584
5585 2006-06-05  Kazu Hirata  <kazu@codesourcery.com>
5586
5587         * stor-layout.c (debug_rli): Fix a typo in a debug message.
5588
5589 2006-06-05  Steve Ellcey  <sje@cup.hp.com>
5590
5591         PR target/27051
5592         * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5593
5594 2006-06-05  Dorit Nuzman  <dorit@il.ibm.com>
5595             Victor Kaplansky  <victork@il.ibm.com>
5596
5597         PR tree-optimization/26360
5598         * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5599         stmts.
5600
5601 2006-06-04  Roger Sayle  <roger@eyesopen.com>
5602             Andrew Pinski  <pinskia@physics.uc.edu>
5603
5604         PR middle-end/27382
5605         * c-common.c (c_common_truthvalue_conversion): Explicitly check
5606         for LABEL_DECL before calling DECL_WEAK.
5607
5608         PR c/27150
5609         * c-typeck.c (build_binary_op): Likewise, explicitly check for
5610         LABEL_DECL and PARM_DECL.
5611
5612 2006-06-05  Joseph S. Myers  <joseph@codesourcery.com>
5613
5614         PR c/25161
5615         PR c/27020
5616         * c-decl.c (grokdeclarator): Disallow variably modified types at
5617         file scope.  Avoid marking shared array type of constant size as
5618         VLA.
5619
5620 2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5621
5622         PR c++/27601
5623         * c-common.c (fold_offsetof_1): Handle static members.
5624
5625 2006-06-04 Eric Christopher <echristo@apple.com>
5626
5627         * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5628         (debug_rli): Output value for remaining_in_alignment.
5629         (update_alignment_for_field): Unconditionalize
5630         ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5631         extra alignment code.
5632         (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5633         ms_bitfield_layout_p code. Rewrite handling of structure fields.
5634         * tree.h (record_layout_info_s): Remove prev_packed.
5635         * doc/extend.texi (ms_struct): Add documentation of format.
5636
5637 2006-06-04  Mark Shinwell  <shinwell@codesourcery.com>
5638
5639         * tree.h: Declare folding_initializer.
5640         * builtins.c (fold_builtin_constant_p): Give definite answer
5641         if folding inside an initializer.
5642         * fold-const.c: Define folding_initializer.
5643         (START_FOLD_INIT): Save and then set folding_initializer.
5644         (END_FOLD_INIT): Restore folding_initializer.
5645
5646 2006-06-04  Richard Guenther  <rguenther@suse.de>
5647
5648         PR tree-optimization/27039
5649         * fold-const.c (fold_comparison): Handle pointer comparison
5650         again for all comparison codes.  Compare offsets in signed
5651         size type.
5652         (fold_binary): Move code from here.
5653
5654 2006-06-03  Roger Sayle  <roger@eyesopen.com>
5655
5656         PR target/26223
5657         * config/i386/i386.c (construct_container): Split static issued_error
5658         flag into issued_sse_arg_error, issued_sse_ret_error and
5659         issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
5660         requires the use of x87 registers and the user explicitly
5661         specified the -mno-80387 command line option.
5662
5663 2006-06-02  Geoffrey Keating  <geoffk@apple.com>
5664
5665         * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5666         HAVE_DECL_SIGALTSTACK.
5667         (MC_FLD): New.
5668         (segv_handler): Use MC_FLD.
5669         * configure.ac: Check for a sigaltstack declaration.
5670         Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5671         * configure: Regenerate.
5672         * config.in: Regenerate.
5673
5674 2006-06-03  J"orn Rennecke <joern.rennecke@st.com>
5675
5676         PR other/27850
5677         * Makefile.in (stmp-fixinc): Fix typo.
5678
5679 2006-06-02  Roger Sayle  <roger@eyesopen.com>
5680
5681         * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5682         are type correct.  Clean-up.
5683         <REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
5684         <IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).
5685
5686 2006-06-01  DJ Delorie  <dj@redhat.com>
5687
5688         * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5689         shift, as we've disabled the "switch" insn that needs it.
5690
5691 2006-06-01  Per Bothner  <bothner@bothner.com>
5692
5693         Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5694         * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5695         * c-ppoutput.c (cb_define): Don't increment line 0.
5696
5697 2006-06-01  Pete Steinmetz  <steinmtz@us.ibm.com>
5698
5699         * doc/invoke.texi: Add cpu_type power6.
5700         * config.gcc: Add cpu_type power6.
5701         * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5702         to power5+ with Altivec.
5703         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5704         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5705
5706 2006-05-30  Anatoly Sokolov <aesok@post.ru>
5707
5708         * config/avr/avr.h (SET_ASM_OP): Define.
5709
5710 2006-06-01  Kazu Hirata  <kazu@codesourcery.com>
5711
5712         * config/bfin/bfin.c: Fix comment typos.
5713
5714 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
5715
5716         PR 25453
5717         * doc/install.texi: Document --enable-bootstrap and
5718         --disable-bootstrap.
5719
5720 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
5721
5722         * doc/install.texi: Document that InfoZIP can replace jar.
5723
5724 2006-05-31  Roger Sayle  <roger@eyesopen.com>
5725
5726         * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5727         isn't available, directly generate the simpler x87 patterns without
5728         the (use (const_int 0)).
5729         * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5730         implementation isn't available.
5731         (*negdf2_1): Likewise.
5732         (*negxf2_1): XF mode negation is always done using the x87.
5733         (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5734
5735 2006-05-31  Roger Sayle  <roger@eyesopen.com>
5736
5737         * builtins.c (fold_builtin_cabs): Delete prototype.  Require an
5738         additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
5739         cabs(z).
5740         (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5741
5742 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
5743
5744         * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5745         * config/bfin/bfin.c (basic-block.h): Include.
5746         (struct machine_function): New.
5747         (bfin_init_machine_status): New.
5748         (override_options): Initialize init_machine_status.
5749         (bfin_hardware_loop): New.
5750         (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5751         (DEF_VEC_P (loop_info)): New.
5752         (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5753         (struct loop_info): New.
5754         (loop_info): New typedef.
5755         (struct loop_work): New.
5756         (loop_work): New typedef.
5757         (DEF_VEC_O (loop_work)): New.
5758         (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5759         (bfin_dump_loops): New.
5760         (bfin_bb_in_loop): New.
5761         (bfin_scan_loop): New.
5762         (bfin_optimize_loop): New.
5763         (bfin_reorg_loops): New.
5764         (bfin_reorg): Use bfin_reorg_loops.
5765         * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5766         loop registers.
5767         (I_REGNO_P): Simplify.
5768         (DP_REGNO_P, DPREG_P): New macros.
5769         (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5770         REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5771         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5772         Add LT_REGS, LC_REGS, LB_REGS.
5773         (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5774         'l' for LB_REGS.
5775         (REGNO_REG_CLASS): Deal with loop registers.
5776         * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5777         letters.
5778         (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5779         New constants for loop registers.
5780         (UNSPEC_LSETUP_END): New.
5781         (seq_insns): New define_attr. Set it for appropriate insns.
5782         (movsi_insn): Add alternatives for move from/to
5783         loop count registers.
5784         (doloop_end): New define_expand.
5785         (loop_end): New define_insn.
5786         (define_split for bad doloop_end): New.
5787         (lsetup_with_autoinit): New define_insn.
5788         (lsetup_without_autoinit): New define_insn.
5789         (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5790         * config/bfin/predicates.md (lc_register_operand): New.
5791         (lt_register_operand): New.
5792         (lb_register_operand): New.
5793         (nondp_register_operand): New.
5794         (nondp_reg_or_memory_operand): New.
5795         * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5796
5797 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
5798
5799         * config/bfin/bfin.c (bfin_delegitimize_address): New.
5800         (TARGET_DELEGITIMIZE_ADDRESS): Define.
5801
5802 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
5803
5804         * Makefile.in (CATALOGS): Add po/ prefix.
5805         * configure: Regenerated.
5806
5807 2006-05-31  Richard Earnshaw  <richard.earnshaw@arm.com>
5808
5809         PR target/27829
5810         * arm.c (arm_print_operand case 'S'): Validate that the operand is
5811         a shift operand before calling shift_op.  Avoid redundant call of
5812         shift_op.
5813
5814 2006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
5815             DJ Delorie  <dj@redhat.com>
5816
5817         * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5818         we're inserting is a singlt-bit constant.
5819
5820 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5821
5822         * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5823         width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5824
5825 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5826
5827         PR tree-optimization/23452
5828         * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5829         to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5830         (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5831         complex values and with -ffast-math for FP complex values.
5832
5833 2006-05-30  Kazu Hirata  <kazu@codesourcery.com>
5834
5835         * c-common.h: Remove the prototype for yyparse.
5836         * rtl.h: Remove the prototype for init_loop.
5837
5838 2006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>
5839
5840         * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5841         calling recog.
5842
5843 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5844
5845         * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5846         and rotate cases.
5847         <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5848         log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5849
5850 2006-05-30  Dirk Mueller  <dmueller@suse.de>
5851
5852         PR c/27273
5853         * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5854         for CONSTANT_CLASS_P expresisons.
5855
5856 2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5857
5858         PR c/27718
5859         * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5860
5861 2006-05-30  Zdenek Dvorak <dvorakz@suse.cz>
5862
5863         PR tree-optimization/27779
5864         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5865         initial_condition instead of CHREC_LEFT.
5866
5867 2006-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
5868
5869         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5870         * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5871         Make prototypes ISO C90.
5872
5873 2006-05-30  Mircea Namolaru  <namolaru@il.ibm.com>
5874             Leehod Baruch    <leehod.baruch@weizmann.ac.il>
5875
5876         * see.c (see_analyze_one_def): Correct check.
5877         (see_get_extension_data): Check if extension is parallel.
5878         (see_get_extension_reg): Likewise.
5879
5880 2006-05-30  Uros Bizjak  <uros@kss-loka.si>
5881
5882         PR target/27790
5883         * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5884         into register for (code == GTU).
5885
5886 2006-05-29  Roger Sayle  <roger@eyesopen.com>
5887
5888         PR tree-optimization/24964
5889         * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5890         <MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
5891         signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
5892         abs(x)*abs(x) as x*x for scalar floating point modes.
5893
5894 2006-05-29  Sebastian Pop  <pop@cri.ensmp.fr>
5895
5896         PR middle-end/27745
5897         * lambda-code.c (perfect_nestify): Don't copy statements
5898         in the inner loop: move them to the inner loop header.
5899
5900 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
5901
5902         PR 26237
5903         * c-tree.texi: Document OpenMP directives and clauses.
5904
5905 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
5906
5907         * varasm.c (globalize_decl): Fix indentation.
5908
5909 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
5910
5911         PR 26242
5912         * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5913         pass_fre, pass_store_ccp, pass_copy_prop,
5914         pass_store_copy_prop, pass_merge_phi, pass_nrv,
5915         pass_return_slot, pass_object_size, pass_lim,
5916         pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5917         pass_loop_prefetch and pass_stdarg.
5918
5919 2005-05-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5920
5921         * config/bfin/bfin.opt (mfdpic): New option.
5922         * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5923         (EXTRA_MULTILIB_PARTS): Likewise.
5924         (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5925         (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5926         multilib.
5927         * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5928         (CRT_CALL_STATIC_FUNCTION): New.
5929         * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5930         -shared.
5931         (CRT_CALL_STATIC_FUNCTION): New.
5932         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
5933         FD-PIC moves.
5934         (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5935         (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5936         (initialize_trampoline): Changed to handle FD-PIC code generation.
5937         (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5938         (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5939         (override_options): Disallow -mid-shared-library -mfdpic combination.
5940         Can't do unaligned ops if FD-PIC.
5941         Turn off flag_pic if trying to generate non-id-shared-library
5942         non-fdpic code, since it's not supported.
5943         (bfin_assemble_integer): New function.
5944         (TARGET_ASM_INTEGER): Define.
5945         * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5946         __BFIN_FDPIC__.
5947         * config/bfin/crtn.s: Restore them.
5948         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5949         if TARGET_FDPIC.
5950         (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5951         LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5952         (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5953         (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5954         (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5955         call-used.
5956         (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5957         FDPIC_REGS and FDPIC_FPTR_REGS.
5958         (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5959         * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5960         UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5961         (load_funcdescsi): New pattern.
5962         (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5963         sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5964         call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5965
5966 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
5967
5968         * gcse.c, rtlanal.c: Remove obsolete comments associated with
5969         loop.c.
5970
5971         * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5972
5973         * tree-flow.h: Remove the prototype for add_type_alias.
5974         * tree-ssa-alias.c (add_type_alias): Remove.
5975
5976 2006-05-28  Kazu Hirata  <kazu@codesourcery.com>
5977
5978         * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5979         config/fr30/fr30.md, config/i386/i386-interix.h,
5980         config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5981         config/sh/superh64.h, config/v850/v850.c, df-core.c,
5982         df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5983         lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5984         reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5985         tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5986         Follow spelling conventions.
5987         * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5988         Follow spelling conventions.
5989
5990 2006-05-27  Richard Guenther  <rguenther@suse.de>
5991
5992         PR middle-end/27773
5993         * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5994         to produce a constant of value 1 of generic type.
5995
5996 2006-05-27  Dirk Mueller  <dmueller@suse.de>
5997
5998         * cgraphunit.c (decide_is_function_needed): Fix wrong
5999         PR reference.
6000
6001 2006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
6002
6003         PR rtl-optimization/27661
6004         * reload.c (find_reloads): When reloading a VOIDmode constant
6005         as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6006         use Pmode as mode of the reload register.
6007
6008 2006-05-26  Eric Botcazou  <ebotcazou@adacore.com>
6009
6010         * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6011         is enabled at -O and above.
6012
6013 2006-05-26  Steven Bosscher  <steven@gcc.gnu.org>
6014
6015         PR target/27571
6016         * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6017         table data.
6018
6019 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
6020
6021         PR c++/20103
6022         * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6023         for anonymous variables explicitly declared by front ends.
6024
6025 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
6026
6027         * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6028         (struct alias_info): Add new field ref_all_symbol_mem_tag.
6029         * tree-ssa-alias.c (compute_may_aliases): If the program contains
6030         ref-all pointers, run a finalization pass for them.
6031         (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6032         (finalize_ref_all_pointers): New function.
6033         (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6034         regular pointer type to a ref-all pointer type.
6035         (get_tmt_for): Return the special memory tag for ref-all pointers.
6036
6037 2006-05-25  Richard Guenther  <rguenther@suse.de>
6038
6039         PR middle-end/27743
6040         * fold-const.c (fold_binary): Do not look at the stripped
6041         op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6042
6043 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
6044
6045         * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6046         for LT and GT if the computed range is effectively empty.
6047
6048 2006-05-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6049
6050         PR target/27627
6051         * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6052         mips_quad_format formats instead of ieee_single_format,
6053         ieee_double_format and ieee_quad_format formats, respectively.
6054
6055 2006-05-24  Zdenek Dvorak <dvorakz@suse.cz>
6056
6057         PR tree-optimization/27639
6058         PR tree-optimization/26719
6059         * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6060         call to scev_probably_wraps_p.
6061         * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6062         used_in_pointer_arithmetic_p, convert_step): Removed.
6063         (nowrap_type_p): New function.
6064         (scev_probably_wraps_p): Rewritten.
6065         * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6066         chrec_convert if chrec_convert_aggressive might have been used.
6067         * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6068         scev_direction): New functions.
6069         (chrec_convert): Changed to a wrapper over chrec_convert_1.
6070         * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6071         instead of convert_step.
6072         * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6073         (convert_step): Declaration removed.
6074         (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6075
6076 2006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>
6077
6078         * df-core.c: Added to header comments.
6079         * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6080         df_ur_bb_info, df_urec_bb_info): Added comments.
6081         * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6082         urec, ri problems): Fixed header comments.
6083         (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6084         code from df_rd_transfer_function.
6085
6086 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
6087
6088         * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6089         (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6090         MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
6091
6092 2006-05-23  Joseph Myers  <joseph@codesourcery.com>
6093
6094         * expr.c (undefined_operand_subword_p): New.
6095         (emit_move_multi_word): Do not generate move from undefined bits
6096         of a paradoxical subreg.
6097
6098 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
6099
6100         PR rtl-optimization/27736
6101         * combine.c (replaced_rhs_value): New variable.
6102         (combine_instructions): Set it.
6103         (distribute_notes): When distributing a note in replaced_rhs_insn,
6104         check whether the value was used in replaced_rhs_value.
6105
6106 2006-05-23  Andrew MacLeod  <amacleod@redhat.com>
6107
6108         PR c++/26757
6109         * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6110         add_referenced_var instead of add_referenced_tmp_var.
6111         * tree-complex.c (create_one_component_var): Use add_referenced_var.
6112         * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6113         add_referenced_var.
6114         * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6115         tree_optimize_tail_calls_1): Use add_referenced_var.
6116         * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6117         * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6118         Use add_referenced_var.
6119         * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6120         * gimplify.c (force_gimple_operand): Use add_referenced_var.
6121         * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6122         Use add_referenced_var.
6123         * tree-dfa.c (struct walk_state): Remove.
6124         (find_referenced_vars): Remove walk state and vars_found hash table.
6125         (make_rename_temp): Use add_referenced_var.
6126         (find_vars_r): Pass less parameters to add_referenced_var.
6127         (referenced_var_p): New.  Is var in referenced_var hash table.
6128         (referenced_var_insert): Assert var isn't already in hash table.
6129         (add_referenced_var): Don't need walk_state parameter.  Add var if it
6130         isn't already in the hash table.
6131         (add_referenced_tmp_var): Remove.
6132         (find_new_referenced_vars_1): Use add_referenced_var.
6133         * tree-ssa-pre.c (create_expression_by_pieces,
6134         insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6135         Use add_referenced_var.
6136         * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6137         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6138         lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6139         add_referenced_var.
6140         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6141         vect_create_data_ref_ptr, vect_create_destination_var,
6142         vect_init_vector, vect_build_loop_niters,
6143         vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6144         vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6145         Use add_referenced_var.
6146         * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6147         * tree-flow.h (add_referenced_tmp_var): Remove prototype
6148         (add_referenced_var): Add prototype.
6149         * tree-ssa-structalias.c (get_constraint_for,
6150         intra_create_variable_infos): Use add_referenced_var.
6151
6152 2006-05-23  Alexandre Oliva  <aoliva@redhat.com>
6153
6154         * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6155         big-endian paradoxical subregs.
6156         * var-tracking.c (struct micro_operation_def): Document that,
6157         for modify micro operations, insn is the subsequent instruction.
6158         (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6159         (var_reg_set, var_mem_set): ... new functions.
6160         (add_stores): Record subsequent insn.
6161         (compute_bb_dataflow): Use new functions for MO_USE.
6162         (emit_notes_in_bb): Use new functions for MO_USE.  Emit use
6163         notes after the insn, and modify notes before the insn known
6164         to be the subsequent one.
6165         (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6166
6167 2006-05-23  Kazu Hirata  <kazu@codesourcery.com>
6168
6169         PR target/27696
6170         * config/i386/i386.c (ix86_expand_builtin): Use
6171         gen_sse3_monitor64 for TARGET_64BIT.
6172
6173 2006-05-22  Kenneth Zadeck <zadeck@naturalbridge.com>
6174
6175         PR rtl-optimization/26375
6176         PR rtl-optimization/26855
6177         * df-problems (df_ru_bb_local_compute_process_def): Removed update
6178         to gen set.
6179         (df_ru_bb_local_compute): Reversed statements and removed bogus
6180         comment explaining why they should be in wrong order.
6181         (df_ru_dump, df_rd_dump): Enhanced debug info.
6182         * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6183         debug info.
6184         * ddg.c (add_deps_for_def): Converted use of reaching defs to
6185         reaching uses and fixed space problem.
6186
6187 2006-05-23  Jan Hubicka  <jh@suse.cz>
6188
6189         * cgraphunit.c (decide_is_function_needed): Also nested functions
6190         and functions declared inline can be optimized out at -O0.
6191
6192 2006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>
6193
6194         * doc/install.texi (Configuration): Remove reference to CrossGCC
6195         FAQ which was gone.
6196         (Building): Ditto.
6197
6198 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
6199
6200         PR target/27266
6201         * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6202         ix86_compare_emitted is non-NULL.
6203
6204 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6205
6206         PR c++/27451
6207         * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6208         clobbers.
6209
6210 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
6211
6212         PR rtl-optimization/25514
6213         * combine.c (replaced_rhs_insn): New variable.
6214         (combine_instructions): Set replaced_rhs_insn when trying to replace
6215         a SET_SRC with a REG_EQUAL note.
6216         (distribute_notes): Use replaced_rhs_insn when determining the live
6217         range of a REG_DEAD register.
6218
6219 2006-18-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6220             Anatoly Sokolov <aesok@post.ru>
6221
6222         * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6223         attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6224         attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6225         atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6226         atmega3290, atmega649, atmega6490, atmega406, atmega640,
6227         atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6228         at90usb647, at90usb1286 and at90usb1287 devices.
6229         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6230         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6231
6232 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
6233
6234         * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6235
6236 2006-05-22  Richard Guenther  <rguenther@suse.de>
6237
6238         Revert
6239         2006-01-31  Richard Guenther  <rguenther@suse.de>
6240         Paolo Bonzini  <bonzini@gnu.org>
6241
6242         * doc/install.texi (--disable-libgcc-math): Document.
6243
6244 2006-05-22  Richard Guenther  <rguenther@suse.de>
6245
6246         Revert
6247         2006-01-31  Richard Guenther  <rguenther@suse.de>
6248
6249         * doc/invoke.texi (-msselibm): Document.
6250         * target.h (expand_library_builtin): New target hook.
6251         * builtins.c (expand_builtin): Use expand_library_builtin.
6252         (default_expand_library_builtin): New function.
6253         * gcc.c (LINK_GCC_MATH_SPEC): Define.
6254         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6255         (link_gcc_math_spec): Declare.
6256         (static_specs): Add link_gcc_math_spec.
6257         * expr.h (default_expand_library_builtin): Declare.
6258         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6259         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6260         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6261         * config/i386/i386.opt (msselibm): New target option.
6262         * config/i386/i386.c (ix86_builtin_function_variants): New array.
6263         (ix86_init_sse_abi_builtins): New function.
6264         (ix86_expand_library_builtin): Likewise.
6265         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6266         (override_options): Handle error conditions wrt -msselibm.
6267         (ix86_builtins): Add function codes for SSE2 ABI builtins.
6268         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6269         * doc/extend.texi (__builtin_sse2_*): Document new target specific
6270         builtins.
6271
6272 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6273
6274         PR c/27420
6275         * c-common.c (self_promoting_args_p): Skip erroneous args.
6276
6277         PR c/26818
6278         * c-decl.c (finish_struct): Skip erroneous fields.
6279
6280 2006-05-22  Nick Clifton  <nickc@redhat.com>
6281
6282         * config/cris/cris.opt (march): Remove VarExists attribute.
6283         (max-stackframe=): Likewise.
6284
6285 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
6286
6287         * doc/rtl.texi: Fix a typo.
6288         * see.c: Fix comment typos.
6289
6290         * tree-ssa-structalias.h (alias_info): Remove num_references.
6291
6292 2006-05-21  Mike Stump  <mrs@apple.com>
6293
6294         * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6295         (BAD2): Add.
6296         (darwin_pragma_options): Use BAD instead.
6297         (darwin_pragma_unused): Likewise.
6298         (darwin_pragma_ms_struct): Likewise.
6299
6300 2006-05-21  David Edelsohn  <edelsohn@gnu.org>
6301
6302         * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6303
6304 2006-05-21  Kazu Hirata  <kazu@codesourcery.com>
6305
6306         PR rtl-optimization/27671
6307         * simplify-rtx.c (simplify_relational_operation_1): Fix
6308         simplifications of (eq/ne (xor x y) y) and
6309         (eq/ne (xor x y) x).
6310
6311         PR tree-optimization/26622.
6312         * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6313         on arg1.
6314
6315 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
6316
6317         * tree-cfg.c: Prune whitespace.
6318         (debug_tree_cfg): Point to correct header containing the
6319         TDF_* defines.
6320
6321 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
6322
6323         PR middle-end/25776
6324         * cgraphunit.c (verify_cgraph_node): Typo in error message.
6325
6326 2006-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
6327
6328         PR middle-end/25776
6329         * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6330         or sorry count is non zero.
6331
6332 2006-05-20  Andreas Schwab  <schwab@suse.de>
6333
6334         * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6335
6336 2006-05-19  Daniel Berlin  <dberlin@dberlin.org>
6337             Kenneth Zadeck <zadeck@naturalbridge.com>
6338
6339         PR rtl-optimization/26855
6340
6341         * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6342         multiword refs.
6343         (df_scan_alloc): Added code to properly handle multiword hard
6344         registers and add all_blocks parameter.
6345         (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6346         code to properly handle multiword hard registers.
6347         (df_rescan_blocks): Added code to remove deleted blocks from
6348         bitmap.
6349         (df_ref_create_structure, df_ref_record): Added code to properly
6350         handle subregs.
6351         (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6352         and set DF_REF_PARTIAL.
6353         (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6354         (df_uses_record): Added DF_REF_PARTIAL for subreg.
6355         (df_scan_add_problem): Added flags parameter.
6356         (df_ref_create_structure): Changed switching structure.
6357         (df_bb_refs_record): Fixed case where duplicate artificial refs
6358         were created.  Changed location of flags.
6359         (df_record_entry_block_defs): Added code to make stack pointer
6360         live in entry block.  Refined cases where frame pointer is needed.
6361         Changed location of flags.
6362         (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6363         (df_set_state): Removed function.
6364         (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6365         df_insn_create_insn_record, df_insn_refs_delete,
6366         df_ref_create_structure): Formatting changes.
6367         * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6368         df_delete_basic_block): New function.
6369         (df_init): Changed location of flags.
6370         (df_add_problem): Added flags parameter and the way flags are
6371         processed.
6372         (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6373         debug_df_chain): Improved debugging output.
6374         (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6375         (df_refs_chain_dump): Removed df parameter.
6376         (df_iterative_dataflow): Added consistency check.
6377         (df_prune_to_subcfg): Made public.
6378         (df_analyze_problem): Added blocks_to_init parameter and made
6379         public.
6380         (df_ref_record, df_bb_refs_record, df_mark_reg,
6381          df_record_exit_block_uses): Whitespace changes.
6382         (df_dump): Whitespace changes.
6383         * df.h: Some reordering to remove forward references.
6384         (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6385         DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6386         (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6387         (dataflow.flags): New field.
6388         (df.flag): Deleted field.
6389         (df_alloc_function): Added additional bitmap parameter.
6390         (df_dependent_problem_function): New type.
6391         (df_problem.changeable_flags): New field.
6392         (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6393         DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6394         (df_mw_hardreg): New struct.
6395         (DF_INSN_UID_MWS): New macro.
6396         (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6397         parameter.
6398         (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6399         df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6400         df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6401         (df_set_state): Removed function.
6402         (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6403         * df-problems.c (df_chain_dump): Removed df parameter.
6404         (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6405         df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6406         parameter.
6407         (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6408         (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6409         df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6410         Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6411         DF_REF_MUST_CLOBBER cases.
6412         (df_ru_bb_local_compute_process_def,
6413         df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6414         df_lr_bb_local_compute, df_ur_bb_local_compute,
6415         df_chain_create_bb): Made subreg aware.
6416         (df_ru_bb_local_compute, df_rd_bb_local_compute,
6417         df_lr_bb_local_compute, df_lr_bb_local_compute,
6418         df_chain_create_bb): Cleanup to use proper macros.
6419         (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6420         code to fixup bitvectors.
6421         (df_ri_alloc): Cleared lifetime.
6422         (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6423         df_create_unused_note): New function.
6424         (df_ri_bb_compute, df_ri_compute): Added code to create/update
6425         REG_DEAD and REG_UNUSED notes as well as register information.
6426         (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6427         df_chains_dump): Fixed crash if problem was never run.
6428         (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6429         df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6430         df_ri_add_problem): Processes flags in uniform manner.
6431         (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6432         df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6433         df_rd_dump, df_urec_free_bb_info): Formatting changes.
6434         (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6435         df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6436         df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6437         df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6438         df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6439         df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6440         * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6441         * see.c (see_initialize_data): Ditto.
6442         * final.c (rest_of_clean_state) Added regstack_completed.
6443         * rtl.h (regstack_completed): Ditto.
6444         * reg-stack.c (regstack_completed): Ditto.
6445
6446 2006-05-19  Mike Stump  <mrs@apple.com>
6447
6448         * c-tree.h (default_conversion): Remove.
6449         * c-common.h (default_conversion): Add.
6450
6451 2006-05-19  Zdenek Dvorak <dvorakz@suse.cz>
6452
6453         * tree-vrp.c (valid_value_p): New function.
6454         (adjust_range_with_scev): Fail if the value of bound is not
6455         simple.
6456
6457 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
6458
6459         * config/mips/linux-unwind.h: Include <asm/unistd.h>
6460         (mips_fallback_frame_state): Use syscall numbers to determine
6461         the appropriate li instruction for the current ABI.  Only use
6462         __NR_sigreturn for o32.
6463
6464 2006-05-19  Nicolas Setton  <setton@adacore.com>
6465
6466         * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6467         * langhooks.c (lhd_dwarf_name): New function.
6468         * langhooks-def.h (lhd_dwarf_name): Declare.
6469         (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6470         * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6471         * ada/misc.c (gnat_dwarf_name): New function.
6472         (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6473
6474 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
6475
6476         * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6477         libgcc2.h.
6478         (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6479         MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
6480         LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6481         * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6482         Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6483         determine the size of Wtype, etc.
6484         * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6485         (swfloatfuncs): New variable.
6486         (dwfloatfuncs): Likewise.
6487         (lib2funcs): Remove floating-point conversion functions from
6488         initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
6489         the set of conversion routines needed.  Allow entries to specify
6490         an object name, filename and word size.  Update users accordingly.
6491         * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6492         * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6493
6494         Revert:
6495
6496         2006-02-08  Roger Sayle  <roger@eyesopen.com>
6497
6498         PR target/22209
6499         * config/fixtfdi.c: New libgcc source file.
6500         * config/fixunstfdi.c: New source file.
6501         * config/floatditf.c: New source file.
6502         * config/floatunditf.c: New souce file.
6503         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6504         files above instead of config/mips/_tilib.c.
6505         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6506
6507 2006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6508
6509         * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6510         * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6511
6512 2006-05-18  Mike Stump  <mrs@apple.com>
6513
6514         Fix up vla, vm and [*] sematics.
6515
6516         PR c/18740
6517         PR c/7948
6518         PR c/25802
6519         PR c/27673
6520         * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6521         (c_vla_unspec_p): Add.
6522         (c_vla_type_p): Add.
6523         * c-decl.c (struct c_scope): Add had_vla_unspec.
6524         (build_array_declarator): Add support for [*].
6525         (grokdeclarator): Likewise.
6526         (grokparms): Likewise.
6527         (get_parm_info): Likewise.
6528         * c-objc-common.c (c_vla_unspec_p): Likewise.
6529         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6530         * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6531         typeof when argument is a variably modified type not inside sizeof or alignof.
6532         (c_parser_direct_declarator_inner): Propagate errors.
6533         (c_parser_sizeof_expression): Add support for [*].
6534         (c_parser_parms_declarator): Initialize had_vla_unspec.
6535         (c_parser_parms_list_declarator): Likewise.
6536         * c-typeck.c (c_vla_type_p): Add.
6537         (composite_type): Add support for vla compositing.
6538         (comptypes_internal): Add support for vla compatibility.
6539         (c_expr_sizeof_expr): Evaluate vla arguments.
6540         * tree.c (variably_modified_type_p): Update comment for [*].
6541
6542 2006-05-18  Michael Matz  <matz@suse.de>
6543
6544         PR target/27599
6545         * config.host: Make assignments to host_xmake_file cumulative.
6546         * config.host (*-darwin*): Test $host, not $target.
6547
6548 2006-05-12  Stuart Hastings  <stuart@apple.com>
6549
6550         * config/i386/i386.opt (-mstackrealign): New flag.
6551         * config/i386/i386.c (force_align_arg_pointer): New attribute.
6552         (ix86_handle_cconv_attribute): Emit error when
6553         force_align_arg_pointer attribute collides with too many regparms.
6554         (ix86_function_regparm): Limit regparms when used with
6555         force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
6556         Support stack-realigning prologue in non-main functions.  Emit
6557         warning for nested functions under -mstackrealign, emit error for
6558         nested functions with force_align_arg_pointer attribute.
6559         * doc/extend.texi (force_align_arg_pointer): Document it.
6560         * doc/invoke.texi (-mstackrealign): Document it.
6561
6562 2006-05-17  Kazu Hirata  <kazu@codesourcery.com>
6563
6564         PR rtl-optimization/27477
6565         * combine.c (try_combine): Don't split a parallel consisting
6566         of two sets into two individual sets if both sets reference
6567         cc0.
6568
6569 2006-05-17  H.J. Lu  <hongjiu.lu@intel.com>
6570
6571         * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6572         * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6573
6574         * doc/options.texi (VarExists): Updated.
6575
6576 2006-05-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6577
6578         * unwind-dw2.c: Add declarations for uw_update_context and
6579         uw_frame_state_for.
6580         * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6581         detected, advance frame state and context once to skip over stub.
6582
6583 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
6584
6585         PR middle-end/20256
6586         PR middle-end/26435
6587         * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6588         Call rewrite_into_loop_closed_ssa only when something changed.
6589         * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6590         * lambda-code.c (can_convert_to_perfect_nest): Declared.
6591         (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6592         Test for perfect_nest_p here.  Fix formating.
6593         (replace_uses_equiv_to_x_with_y): Fix formating.
6594         (stmt_uses_op): Removed.
6595         (can_convert_to_perfect_nest): Removed loopivs parameter.
6596         Complete the test by checking the scalar dependences.
6597         (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6598         Fix formating.
6599
6600 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6601
6602         PR bootstrap/22541
6603         From Dan Kegel <dank@kegel.com>:
6604         * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6605
6606 2006-05-17  Eric Botcazou  <ebotcazou@adacore.com>
6607
6608         * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6609         if the element type is variably modified without recursing.
6610
6611 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
6612
6613         PR middle-end/27332
6614         * tree-loop-linear.c (try_interchange_loops): Test for
6615         no data dependences.
6616
6617 2006-05-17  Zdenek Dvorak <dvorakz@suse.cz>
6618
6619         PR tree-optimization/27548
6620         * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6621         range of ssa names that appear on abnormal edges.
6622         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6623         * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6624
6625 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6626
6627         PR middle-end/27620
6628         * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6629
6630 2006-05-17  Jakub Jelinek  <jakub@redhat.com>
6631
6632         PR middle-end/27415
6633         * tree.h (OMP_PARALLEL_COMBINED): Define.
6634         * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6635         (new_omp_context): Add is_combined_parallel argument.
6636         (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6637         new_omp_context caller.
6638         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6639         Adjust gimplify_scan_omp_clauses callers.
6640         (omp_is_private): Issue errors if iteration variable is firstprivate
6641         or reduction in the current context.
6642         * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6643         on combined parallel workshare constructs.
6644
6645 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6646
6647         * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6648         (gcc-options.o): New rule.
6649
6650         * optc-gen.awk: Protect variables for gcc-options.o with
6651         #ifdef GCC_DRIVER/#endif.
6652
6653 2006-05-16  Daniel Berlin <dberlin@dberlin.org>
6654
6655         Fix PR tree-optimization/27373
6656         * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6657          (forward_propagate_addr_expr): Update call.
6658
6659 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6660
6661         * doc/options.texi: Move the Negative option.
6662
6663 2006-05-16  Richard Guenther  <rguenther@suse.de>
6664
6665         PR tree-optimization/22303
6666         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6667         from STRING_CSTs.
6668         (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6669         ccp_fold did not simplify the statement.
6670
6671 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6672
6673         PR driver/26885
6674         * Makefile.in (GCC_OBJS): New.
6675         (OBJS-common): Add opts-common.o.
6676         (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6677         (cpp$(exeext)): Likewise.
6678         (gcc.o): Also depend on opts.h.
6679         (opts-common.o): New.
6680
6681         * common.opt (gcoff): Add Negative(gdwarf-2).
6682         (gdwarf-2): Add Negative(gstabs).
6683         (gstabs): Add Negative(gstabs+).
6684         (gstabs+): Add Negative(gvms).
6685         (gvms): Add Negative(gxcoff).
6686         (gxcoff): Add Negative(gxcoff+).
6687         (gxcoff+): Add Negative(gcoff).
6688         * config/i386/i386.opt (m32): Add Negative(m64).
6689         (m64): Add Negative(m32).
6690
6691         * doc/options.texi: Document the Negative option.
6692
6693         * gcc.c: Include "opts.h".
6694         (main): Call prune_options after expandargv.
6695
6696         * optc-gen.awk: Generate common declarations for all flag
6697         variables in options.c. Output the neg_index field.
6698
6699         * opts.c (find_opt): Moved to ...
6700         * opts-common.c: Here. New file.
6701
6702         * opts.h (cl_option): Add a neg_index field.
6703         (find_opt): New.
6704         (prune_options): Likewise.
6705
6706 2006-05-16  Jakub Jelinek  <jakub@redhat.com>
6707
6708         PR middle-end/27573
6709         * omp-low.c (expand_omp_parallel): Don't assert
6710         .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6711         instead search for it.
6712
6713         PR c/27499
6714         * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6715         is signed.
6716
6717 2006-05-16  Andreas Schwab  <schwab@suse.de>
6718
6719         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6720         defmac.
6721
6722 2006-05-15  Roger Sayle  <roger@eyesopen.com>
6723
6724         PR target/26600
6725         * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6726         integer constants other than zero are only legitimate on TARGET_64BIT.
6727         <CONST_VECTOR> Only zero vectors are legitimate.
6728         (ix86_cannot_force_const_mem): Integral and vector constants can
6729         always be put in the constant pool.
6730
6731 2006-05-16  DJ Delorie  <dj@redhat.com>
6732
6733         * crtstuff.c (__dso_handle): Set section from
6734         TARGET_LBIGCC_SDATA_SECTION if defined.
6735         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6736         * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6737
6738 2006-05-16  Danny Smith  <dannysmith@users.sourceforge.net>
6739
6740         PR target/27599
6741         * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6742         host_xmake_file.
6743
6744 2006-05-16  Ben Elliston  <bje@au.ibm.com>
6745
6746         * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6747
6748 2006-05-15  Per Bothner  <per@bothner.com>
6749
6750         * tree.c: (last_annotated_node): Use source_locus typedef.
6751         This permits bootstrapping with --enable-mapped-location.
6752
6753 2006-05-15  Zdenek Dvorak <dvorakz@suse.cz>
6754
6755         PR tree-optimization/26830
6756         * tree-into-ssa.c (struct ssa_name_info): Add age field.
6757         (info_for_ssa_name, current_info_for_ssa_name_age,
6758         blocks_to_update): New variables.
6759         (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6760         (clear_ssa_name_info, initialize_flags_in_bb,
6761         mark_block_for_update): New functions.
6762         (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6763         (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6764         prepare_def_site_for): Use mark_block_for_update.
6765         (mark_def_interesting): Assert that the processed block is marked in
6766         blocks_to_update.  Do not take blocks argument.
6767         (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6768         argument.
6769         (rewrite_update_init_block, rewrite_update_stmt): Only process
6770         blocks with statements to rewrite.
6771         (delete_update_ssa): Do not clear SSA_NAME_AUX.
6772         (update_ssa): Initialize and free blocks_to_update.  Do not
6773         clear flags on statements.  Do not use blocks bitmap.
6774         * tree.h (SSA_NAME_AUX): Removed.
6775         (struct tree_ssa_name): Removed aux field.
6776         * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6777
6778 2006-05-15  Richard Guenther  <rguenther@suse.de>
6779
6780         PR tree-optimization/27603
6781         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6782         Do computations in original type.
6783
6784 2006-05-15  Mircea Namolaru  <namolaru@il.ibm.com>
6785
6786         * see.c: Code style changes such as redundant paranthesis,
6787         redundant intialization of local variables etc.
6788         (see_main): Declared now as static.
6789         * doc/invoke.texi: Update that -fsee is not enabled by
6790         default at -O3.
6791
6792 2006-05-15  Jakub Jelinek  <jakub@redhat.com>
6793
6794         * omp-low.c (check_omp_nesting_restrictions): New function.
6795         (scan_omp_1): Call it.
6796
6797         PR middle-end/27416
6798         * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6799         construct, return *VAR.
6800
6801 2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
6802
6803         PR rtl-optimization/27406
6804         * bt-load.c (migrate_btr_def): Skip the block having abnormal
6805         edges.
6806
6807 2006-05-14  Roger Sayle  <roger@eyesopen.com>
6808
6809         PR rtl-optimization/27538
6810         * combine.c (expand_compound_operation): Call gen_lowpart
6811         before calling simplify_shift_const.
6812
6813 2006-05-14  Roger Sayle  <roger@eyesopen.com>
6814
6815         PR rtl-optimization/22563
6816         * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6817         a fixed width bitfield, always force the intermediates into psuedos.
6818
6819 2006-05-14  Bernhard Fischer  <aldot@gcc.gnu.org>
6820
6821         PR 27501
6822         * mkconfig.sh: Use operator = instead of == for test.
6823
6824 2006-05-13  Nick Clifton  <nickc@redhat.com>
6825
6826         * dwarf2out.c (dbx_reg_number): Check return value from
6827         LEAF_REG_REMAP and only use it if it is valid.
6828         (multiple_reg_loc_descriptor): Likewise.
6829
6830 2006-05-13  Richard Guenther  <rguenther@suse.de>
6831
6832         * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6833         host_xmake_file.
6834
6835 2006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
6836
6837         * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6838         information attached to non-INSNs such as NOTEs.
6839         (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6840
6841 2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6842
6843         * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6844         On contraint.
6845         * config/s390/s390.md: Adjust comment describing On constraint.
6846
6847 2006-05-11  Jan Hubicka  <jh@suse.cz>
6848
6849         * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6850         to be output at -O0.
6851
6852 2006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6853
6854         PR middle-end/27384
6855         * fold-const.c (size_binop): Move sanity check for arguments to
6856         the beginning of the function.
6857
6858         PR middle-end/27488
6859         * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6860         expression.
6861
6862 2006-05-11  Richard Guenther  <rguenther@suse.de>
6863
6864         PR middle-end/27529
6865         * fold-const.c (fold_unary): Handle intermediate conversion
6866         to a pointer type like intermediate conversion to an integer
6867         type in folding of (T1)(T2)var to var.
6868         Match the code to the comment in the final conversion for
6869         (T1)(T2)var to (T1)var regarding to type precision.  Rather
6870         than disallow T1 being of pointer type, assert that both T1
6871         and var are of pointer type or not.  Make sure not to fall
6872         over the frontends lazyness wrt array to pointer decay though.
6873
6874 2006-05-10  Richard Earnshaw  <rearnsha@arm.com>
6875
6876         * arm.c (arm_struct_value_rtx): Delete.
6877         (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6878         (arm_init_cumulative_args): Always initialize nregs to zero.
6879
6880 2006-05-10  Richard Guenther  <rguenther@suse.de>
6881
6882         PR tree-optimization/27532
6883         * tree-object-size.c (plus_expr_object_size): Fix typo.
6884
6885 2006-05-10  Kazu Hirata  <kazu@codesourcery.com>
6886
6887         PR target/24949
6888         * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6889         ashrdi_const, ashrdi3): Use a scratch register.
6890
6891 2006-05-10  Richard Guenther  <rguenther@suse.de>
6892
6893         PR tree-optimization/27302
6894         * fold-const.c (operand_equal_p): For two comparisons,
6895         try comparison of one comparison code swapped if that yields
6896         the same code.
6897
6898 2006-05-10  Ben Elliston  <bje@au.ibm.com>
6899
6900         * tree-pretty-print.c (pretty_print_string): No need to handle
6901         '\0' as a special character.
6902
6903         * tree.h: Include "hashtab.h".
6904         (iterative_hash_expr): Use hashval_t in its prototype.
6905         * Makefile.in (TREE_H): Add $(HASHTAB_H).
6906
6907 2006-05-09  Steve Ellcey  <sje@cup.hp.com>
6908
6909         PR bootstrap/26872
6910         * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6911         (hppa*64*-*-hpux11*): Ditto.
6912         (hppa[12]*-*-hpux11*): Ditto.
6913
6914 2006-05-09  David Edelsohn  <edelsohn@gnu.org>
6915
6916         PR target/26545
6917         * config/rs6000/aix41.h (TARGET_64BIT): Define.
6918
6919 2006-05-09  Michael Matz  <matz@suse.de>
6920
6921         * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6922         host_extra_gcc_objs and host_xmake_file.
6923         (<*-*-linux*>): Don't overwrite host_xmake_file.
6924         * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6925         * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6926         (host_detect_local_cpu): Declare.
6927         (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6928         * config/i386/i386.c (override_options): Handle -mtune=native
6929         as -mtune=generic.
6930         * config/i386/x-i386: New file.
6931         * config/i386/driver-i386.c: New file.
6932         * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6933         cpu-type "native".
6934
6935 2006-05-09  Dirk Mueller  <dmueller@suse.de>
6936         Richard Guenther  <rguenther@suse.de>
6937
6938         PR middle-end/27498
6939         * fold-const.c (fold_read_from_constant_string): Relax check
6940         for matching types to matching modes.
6941
6942 2006-05-09  Zdenek Dvorak <dvorakz@suse.cz>
6943
6944         PR rtl-optimization/27335
6945         * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6946         loops.
6947
6948 2006-05-08  Chao-ying Fu  <fu@mips.com>
6949             Richard Sandiford  <richard@codesourcery.com>
6950
6951         * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6952         (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6953         * config/mips/mips.md (UNSPEC_SCC): New constant.
6954         * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6955         * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6956         (mips_emit_compare): Use it.
6957         (mips_expand_vcondv2sf): New function.
6958
6959 2006-05-08  Daniel Berlin  <dberlin@dberlin.org>
6960
6961         Fix PR tree-optimization/27093
6962         * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6963         renaming when they become not-used_alone.
6964
6965 2006-05-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6966
6967         * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6968         relocation and relocation stubs.
6969
6970 2006-05-08  Eric Christopher  <echristo@apple.com>
6971
6972         * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6973         section for ppc.
6974
6975 2006-05-08  Jan Hubicka  <jh@suse.cz>
6976
6977         PR middle-end/24561
6978         * cgraphunit.c (decide_is_function_needed): When not optimizing even
6979         unused static functions are needed.
6980
6981 2006-05-08  Roger Sayle  <roger@eyesopen.com>
6982
6983         PR target/27158
6984         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6985         of a reg_equiv_constant if the result is a legitimate constant.
6986
6987 2006-05-08  Uros Bizjak  <uros@kss-loka.si>
6988
6989         PR target/27277
6990         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6991         standard 80387 constants, raise the cost to prevent
6992         compress_float_constant() to generate load from memory.
6993
6994 2006-05-08  Kazu Hirata  <kazu@codesourcery.com>
6995
6996         * config/arm/constraints.md (c): Fix a typo.
6997
6998         * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6999         typos.
7000
7001 2006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
7002
7003         PR target/24879
7004         * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7005         inline function.
7006         (_mm_mwait): Likewise.
7007
7008         * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7009         "mwait".
7010         (sse3_monitor): Make it 32bit only.
7011         (sse3_monitor64): New. 64bit monitor.
7012
7013 2006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7014
7015         PR target/27421
7016         * config/i386/i386.c (classify_argument): Skip fields with invalid
7017         types.
7018
7019 2006-05-07  Richard Guenther  <rguenther@suse.de>
7020
7021         PR tree-optimization/27409
7022         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7023         Do not try to find zero-sized subvars.
7024
7025 2006-05-07  Richard Guenther  <rguenther@suse.de>
7026
7027         PR tree-optimization/27136
7028         * tree-ssa-loop-niter.c (get_val_for): Correct function
7029         comment, assert requirements.
7030         (loop_niter_by_eval): Stop processing if the iterated
7031         value did not simplify.
7032
7033 2006-05-07  Mircea Namolaru  <namolaru@il.ibm.com>
7034
7035         * opts.c (flag_see): remove its setting at -O3.
7036
7037 2006-05-07  Richard Earnshaw  <rearnsha@arm.com>
7038
7039         * genpeep.c (main): Make insn-peep.c depend on flags.h.
7040         * arm/constraints.md: New file.
7041         * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7042         (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7043         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7044         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7045         (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7046         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7047         * arm.md: Include constraints.md.
7048         (thumb_movsi_insn): Use satisfies_constraint_J.
7049         (movhi, movqi): Use satisfies_constraint_I.
7050
7051 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7052
7053         * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7054         for atmeg a645 device.
7055
7056 2006-05-06   Richard Guenther  <rguenther@suse.de>
7057
7058         PR tree-optimization/27151
7059         * tree-vect-transform.c (vectorizable_condition): Punt on
7060         values that have a different type than the condition.
7061
7062 2006-05-03  Aldy Hernandez  <aldyh@redhat.com>
7063
7064         PR/21391
7065         * c-parser.c (c_parser_cast_expression): Only insert casts into
7066         hash table if pointer.
7067         * function.c (used_types_insert_helper): Rename from
7068         used_types_insert.
7069         (used_types_insert): Call used_types_insert_helper.
7070         * function.h (used_types_insert): Accept only one argument.
7071
7072 2006-05-05  David Edelsohn  <edesohn@gnu.org>
7073
7074         * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7075         scratch with output modifier.
7076
7077 2006-05-04  David Edelsohn  <edelsohn@gnu.org>
7078
7079         PR target/26481
7080         * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7081         with output modifier.
7082
7083 2006-05-04  Richard Sandiford  <richard@codesourcery.com>
7084
7085         PR target/26765
7086         * config/mips/mips.c (mips_symbolic_address_p): Return true
7087         for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7088         SYMBOL_GOTTPREL, and SYMBOL_TLS.
7089
7090 2006-05-04  Richard Guenther  <rguenther@suse.de>
7091
7092         PR tree-optimization/14287
7093         PR tree-optimization/14844
7094         PR tree-optimization/19792
7095         PR tree-optimization/21608
7096         PR tree-optimization/27090
7097         * tree-ssa-pre.c (try_combine_conversion): New function.
7098         (compute_avail): After constructing the value-handle
7099         expression, use try_combine_conversion to combine NOP_EXPRs
7100         with previous value-handle expressions and use the result if it
7101         is available.
7102
7103 2006-05-04  Joseph S. Myers  <joseph@codesourcery.com>
7104
7105         * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7106
7107 2006-05-04  Jan Hubicka  <jh@suse.cz>
7108
7109         PR middle-end/25962
7110         * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7111
7112 2006-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
7113
7114         * config/bfin/predicates.md (const01_rtx): Tell generator programs
7115         that this only matches CONST_INTs.  All users changed to VOIDmode
7116         operands.
7117
7118         * config/bfin/bfin.c: Include "optabs.h".
7119         (bfin_rtx_costs): Some costs for vector operations, to allow combine
7120         to do more work.
7121         (enum bfin_builtins): Add a number of fractional and vector builtins.
7122         (bfin_init_builtins): Likewise.
7123         (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7124         (safe_vector_operand, bfin_expand_binop_builtin,
7125         bfin_expand_unop_builtin): New functions.
7126         (bfin_expand_builtin): Handle the new builtins.
7127         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7128         __ADSPBLACKFIN__.
7129
7130 2006-05-04  Leehod Baruch  <leehod@il.ibm.com>
7131
7132         * see.c: New file.
7133         * Makefile.in (OBJS-common): Add see.o.
7134         (see.o): Add dependencies.
7135         * common.opt (fsee): New flag for the see optimization was added.
7136         * opts.c (flag_see): Initialized.
7137         * passes.c (init_optimization_passes, pass_see): New pass.
7138         * rtl.h (see_main): Declaration as extern.
7139         * timevar.def (TV_SEE): New.
7140         * tree-pass.h (pass_see): Declaration as extern.
7141         * invoke.texi (-fsee): Document.
7142         * recog.c (validate_simplify_insn): New function.
7143         * recog.h (validate_simplify_insn): Declaration as extern.
7144         * df-problems.c (df_chain_dump): Check for NULL.
7145
7146 2006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
7147             Daniel Berlin  <dberlin@dberlin.org>
7148
7149         * cfgrtl.c (insert_insn_bb_end_new): New function.
7150         * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7151
7152 2006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>
7153
7154         * df.h (struct web_entry): Moved from web.c.
7155         (union_defs): Declaration as extern.
7156         (unionfind_root): Likewise.
7157         (unionfind_union): Likewise.
7158         * web.c (struct web_entry): Moved to df.h.
7159         (unionfind_root): Remove static declaration.
7160         (unionfind_union): Likewise.
7161         (union_defs): Likewise and generalize to use callback function.
7162         (web_main): Update arguments for union_defs function call.
7163
7164 2006-05-04  Richard Guenther  <rguenther@suse.de>
7165
7166         PR tree-optimization/26447
7167         * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7168         produce SSA_NAME copies before the store stmt to avoid
7169         breaking exception handling.
7170
7171 2006-05-04  Jakub Jelinek  <jakub@redhat.com>
7172
7173         PR middle-end/27388
7174         * gimplify.c (omp_is_private): If var is shared in some outer context,
7175         return false instead of true.  Stop searching on parallel context
7176         boundary.
7177
7178 2006-05-03  Alexandre Oliva  <aoliva@redhat.com>
7179
7180         PR java/8260
7181         * coverage.c: Use get_gcov_unsigned_t() instead of
7182         unsigned_type_node all over.
7183
7184 2006-05-02  Andrew MacLeod  <amacleod@redhat.com>
7185
7186         PR tree-optimization/27381
7187         * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7188         maintain the same immediate_use links.
7189         * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7190         node rather than segfaulting.
7191
7192 2006-05-03  Jakub Jelinek  <jakub@redhat.com>
7193
7194         PR fortran/27395
7195         * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7196         rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
7197         bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7198
7199 2006-05-02  Daniel Berlin  <dberlin@dberlin.org>
7200
7201         Fix PR tree-optimization/26626
7202         * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7203         always.
7204         * tree-ssa-operands.c (access_can_touch_variable): Allow
7205         typecasting through union pointers.
7206
7207 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
7208
7209         PR c++/26943
7210         * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7211         (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7212         to find if var will be a global variable even in the nested context.
7213         (omp_copy_decl): Only check for global variable at the end, it might
7214         be overridden in outer contexts.
7215         (scan_sharing_clauses): For global variables don't create a field.
7216         (lower_rec_input_clauses): Do nothing for global shared variables.
7217         Emit a barrier at the end of ILIST if there were any decls in both
7218         firstprivate and lastprivate clauses.
7219         (lower_send_clauses): Do nothing for global variables except for
7220         COPYIN.
7221
7222 2006-05-02  Zdenek Dvorak <dvorakz@suse.cz>
7223
7224         * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7225         of the correct signedness is returned.
7226
7227 2006-05-02  Jeff Law  <law@redhat.com>
7228
7229         PR tree-optimization/27364
7230         * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7231         multiply expressions.
7232
7233 2006-05-02  Tom Tromey  <tromey@redhat.com>
7234
7235         * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7236
7237 2006-05-02  Kazu Hirata  <kazu@codesourcery.com>
7238
7239         PR target/27387
7240         * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7241         -mthumb -fPIC are used.
7242
7243 2006-05-02  Stanislaw Skowronek  <skylark@linux-mips.org>
7244             Joshua Kinard  <kumba@gentoo.org>
7245
7246         PR target/25871
7247         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7248         with 64-bit pointers.
7249
7250 2006-05-02  Paul Brook  <paul@codesourcery.com>
7251
7252         * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7253         and pool overlap.
7254         (create_fix_barrier): Check that a suitable barrier location is
7255         found.
7256         (arm_reorg): Include ftmp->address in allowable range of addresses.
7257
7258 2006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
7259
7260         PR ada/27366
7261         * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7262         on Cygwin.
7263
7264 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
7265
7266         PR middle-end/27337
7267         * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7268         around RESULT_DECL for result passed by reference.
7269         (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7270         * omp-low.c (use_pointer_for_field): Don't look at
7271         DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7272         (scan_omp_1): Call remap_decl on RESULT_DECLs.
7273         (lower_rec_input_clauses): Don't allocate VLA memory for the second
7274         time or var for passing by reference for
7275         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
7276         TREE_ADDRESSABLE variables when passing by reference.
7277
7278         * omp-low.c (dump_omp_region): Fix output formatting.
7279
7280         PR middle-end/27328
7281         * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7282         (expand_omp_parallel): Likewise.
7283         * tree-cfg.c (move_sese_region_to_fn): Likewise.
7284
7285         PR middle-end/27325
7286         * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7287         on statement list containing also constructors and destructors.
7288         (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7289
7290         PR middle-end/27310
7291         * except.c (duplicate_eh_regions): Fix clearing of
7292         cfun->eh->region_array entries.
7293
7294 2006-05-01  DJ Delorie  <dj@redhat.com>
7295
7296         * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7297         build!=host.
7298         (gcc_cv_objdump): Likewise.
7299         * configure: Regenerated.
7300
7301 2006-05-01  Kazu Hirata  <kazu@codesourcery.com>
7302
7303         PR target/27374
7304         * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7305         templates for case 3 and 4.
7306
7307 2006-05-01  DJ Delorie  <dj@redhat.com>
7308
7309         * vec.c: Include bconfig.h when appropriate.
7310         * Makefile.in (build/vec.o): Adjust dependencies.
7311         * mkconfig.sh: Make sure config.h isn't used for build machine
7312         compiles.
7313
7314 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7315
7316         * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7317         variables.
7318         (mark_phi_for_rewrite): New function.
7319         (insert_phi_nodes_for, mark_use_interesting): Call
7320         mark_phi_for_rewrite.
7321         (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7322         (update_ssa): Initialize and free phis_to_rewrite.
7323
7324 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7325
7326         PR rtl-optimization/27291
7327         * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7328         folded to a constant.
7329
7330 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7331
7332         PR tree-optimization/27283
7333         * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7334         not whole # of iteration descriptions.
7335         (niter_for_exit): Return just # of iterations.  Fail if # of iterations
7336         uses abnormal ssa name.
7337         (niter_for_single_dom_exit): Ditto.
7338         (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7339         return just the number of iterations.
7340
7341 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7342
7343         PR tree-optimization/27144
7344         * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7345         (record_estimate): Only record constant upper bound.
7346         (infer_loop_bounds_from_undefined): Call
7347         compute_estimated_nb_iterations just once.
7348         (proved_non_wrapping_p): Renamed to ...
7349         (n_of_executions_at_most): ... this.  Expect bound to be a constant.
7350         (convert_step_widening, scev_probably_wraps_p): Call
7351         n_of_executions_at_most instead of proved_non_wrapping_p.
7352         (substitute_in_loop_info): Do not replace values in bounds.
7353         * cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
7354         comments.
7355
7356 2006-05-01  Richard Henderson  <rth@redhat.com>
7357
7358         PR c/27358
7359         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7360         c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
7361         CPP_PRAGMA.
7362
7363 2006-05-01  Roger Sayle  <roger@eyesopen.com>
7364
7365         * c-typeck.c (parser_build_binary_op): Don't call the function
7366         unsigned_conversion_warning to spot operand/result type overflow.
7367         (build_binary_op): Instead, call convert_and_check instead of
7368         convert to report the problem when the operands are promoted.
7369         * c-common.c (unsigned_conversion_warning): Make static.
7370         * c-common.h (unsigned_conversion_warning): Delete prototype.
7371
7372 2006-05-01  Richard Guenther  <rguenther@suse.de>
7373
7374         PR tree-optimization/26726
7375         * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7376         problem ...
7377         (find_interesting_uses_address): ... we work around here
7378         by folding INDIRECT_REFs in the substituted base.
7379
7380 2006-05-01  Diego Novillo  <dnovillo@redhat.com>
7381
7382         * omp-low.c (dump_omp_region): Add newlines.
7383
7384 2006-04-30  Roger Sayle  <roger@eyesopen.com>
7385
7386         * common.opt (Woverflow): New command line option.
7387         * c-common.c (constant_expression_warning): Check warn_overflow.
7388         (overflow_waring): Pass OPT_Woverflow to warning.
7389         (unsigned_conversion_warning): Likewise.
7390         (convert_and_check): Likewise.
7391         * doc/invoke.texi: Document new command line option.
7392
7393 2006-04-30  David Edelsohn  <edelsohn@gnu.org>
7394
7395         * config/rs6000/rs6000.c (rs6000_override_options): Enable
7396         TARGET_NO_FP_IN_TOC for section anchors.
7397         (optimization_options): Enable section anchors for all
7398         non-"Objective" languages.
7399
7400 2006-04-28  Eric Christopher  <echristo@apple.com>
7401
7402         * config/darwin-c.c (darwin_ms_struct): Move this
7403         (darwin_set_default_type_attributes): and this...
7404         * config/darwin.c: ... here.
7405         * config/darwin.h (darwin_ms_struct): Declare.
7406
7407 2006-04-28  Andrew MacLeod  <amacleod@redhat.com>
7408
7409         * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7410
7411 2006-04-28  Roger Sayle  <roger@eyesopen.com>
7412
7413         PR c/25309
7414         * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7415         (push_array_bounds): Delete prototype.  Change BOUNDS argument to
7416         an unsigned HOST_WIDE_INT.
7417         (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7418         array index.
7419         (really_start_incremental_init): No need to call convert because
7420         bitsize_zero_node is already of type bitsizetype.
7421         (push_init_level): Extract the value of constructor_index as an
7422         unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7423         (process_init_element): Likewise.
7424
7425 2006-04-28  Joseph S. Myers  <joseph@codesourcery.com>
7426
7427         * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7428         value before passing to make_relative_prefix.
7429
7430 2006-04-28  Alan Modra  <amodra@bigpond.net.au>
7431
7432         PR middle-end/27260
7433         * builtins.c (expand_builtin_memset): Expand val in original mode.
7434
7435 2006-04-27  Eric Christopher  <echristo@apple.com>
7436
7437         * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7438         with #ifndef/#endif.
7439         * config/darwin-c.c (darwin_ms_struct): New.
7440         (darwin_pragma_ms_struct): Ditto.
7441         (darwin_set_default_type_attributes): Ditto.
7442         * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7443         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7444         Register ms_struct pragma.
7445         * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7446         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7447         * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7448         darwin_set_default_type_attributes if TARGET_MACHO.
7449
7450 2006-04-27  Andrew MacLeod  <amacleod@redhat.com>
7451
7452         PR tree-optimization/26854
7453         * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7454         * doc/tree-ssa.texi: Update immuse iterator documentation.
7455         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7456         * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7457         * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7458         first_safe_imm_use, next_safe_imm_use): Remove.
7459         (end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
7460         (end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
7461         (move_use_after_head): New.  Helper function to sort immuses in a stmt.
7462         (link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
7463         (first_imm_use_stmt): New.  Get first stmt in an immuse list.
7464         (next_imm_use_stmt): New.  Get next stmt in an immuse list.
7465         (first_imm_use_on_stmt): New.  Get first immuse on a stmt.
7466         (end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
7467         (next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
7468         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7469         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7470         (perfect_nestify): Use new iterator.
7471         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7472         iterator.
7473         * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7474         (next_imm_name): New field in struct immediate_use_iterator_d.
7475         (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7476         (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7477         FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7478         * tree-cfg.c (replace_uses_by): Use new iterator.
7479         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7480         * tree-ssa-operands.c (correct_use_link): Remove.
7481         (finalize_ssa_use_ops): No longer call correct_use_link.
7482
7483 2006-04-27  Stuart Hastings  <stuart@apple.com>
7484
7485         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7486         * config/t-darwin (crt3.o): Use it.
7487         * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7488         'pmode', use Pmode instead of SImode for SYMBOL_REF.
7489         * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7490         call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7491         call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7492         support.
7493
7494 2006-04-27  Roger Sayle  <roger@eyesopen.com>
7495
7496         * expmed.c (store_fixed_bit_field): If we're not optimizing for
7497         size, force the intermediate into a new pseudo rather instead of
7498         performing both a bitwise AND and a bitwise IOR in memory.
7499
7500 2006-04-27  Richard Guenther  <rguenther@suse.de>
7501
7502         PR rtl-optimization/26685
7503         * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7504         this one "max-flow-memory-locations".
7505
7506 2006-04-27  Richard Guenther  <rguenther@suse.de>
7507
7508         PR tree-optimization/25148
7509         * tree-vrp.c (compare_values): Remove code dealing with
7510         comparisons against type min/max value.  Honour overflow
7511         and negative constants in code dealing with comparisons
7512         of plus and minus expressions.
7513         (value_inside_range): Use fold_binary with LE_EXPR and
7514         GE_EXPR rather than compare_values.
7515
7516 2006-04-27  Dirk Mueller  <dmueller@suse.de>
7517
7518         * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7519         prototype for SSE.
7520
7521 2006-04-26  Kenneth Zadeck <zadeck@naturalbridge.com>
7522
7523         * basic-block.h (safe_insert_insn_on_edge): Removed.
7524         * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7525
7526 2006-04-26  David Edelsohn  <edelsohn@gnu.org>
7527             Paolo Bonzini  <bonzini@gnu.org>
7528
7529         PR middle-end/27282
7530         * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7531         (simplify_and_const_int): Same.
7532
7533 2006-04-26  Aldy Hernandez  <aldyh@redhat.com>
7534
7535         * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7536
7537 2006-04-26  Jakub Jelinek  <jakub@redhat.com>
7538
7539         PR c/26171
7540         * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7541         cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7542         cgraph_global_info_ready.
7543
7544         PR middle-end/26913
7545         * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7546
7547         PR c/25996
7548         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7549         either decl or init is error_mark_node.
7550
7551         PR middle-end/25989
7552         * tree-flow.h (struct omp_region): Add sched_kind.
7553         * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7554         instead of extracting omp for data.
7555         (expand_omp_for): Save extracted sched_kind.
7556
7557 2006-04-25  Roger Sayle  <roger@eyesopen.com>
7558
7559         * expmed.c (store_bit_field): Also check whether the bitsize is
7560         valid for the machine's "insv" instruction before moving the
7561         target into a pseudo for use with the insv.
7562         * config/i386/predicates.md (const8_operand): New predicate.
7563         * config/i386/i386.md (extv, extzv, insv): Use the new
7564         const8_operand predicate where appropriate.
7565
7566 2006-04-25  DJ Delorie  <dj@redhat.com>
7567
7568         * doc/install.texi (Specific): Clarify that this is not a list of
7569         supported hosts or targets.
7570
7571 2006-04-25  Richard Sandiford  <richard@codesourcery.com>
7572
7573         PR rtl-optimization/26725
7574         * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7575         block's BB_DIRTY flag.
7576
7577 2006-04-25  Geoffrey Keating  <geoffk@apple.com>
7578
7579         * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7580         are no branches.
7581
7582         * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7583         to print an integer.
7584
7585 2006-04-25  David Edelsohn  <edelsohn@gnu.org>
7586
7587         * varasm.c (align_variable): New function.
7588         (get_block_for_decl): Apply align_variable to DECL before
7589         calculating section information.
7590         (assemble_variable): Split out alignment computation.
7591
7592 2006-04-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7593
7594         * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7595         machines.
7596
7597 2006-04-25  Bernd Schmidt  <bernd.schmidt@analog.com>
7598
7599         * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7600         MODE_PARTIAL_INT mode.
7601         * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7602         * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7603         for CONST_INTs.
7604         (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7605         * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7606         V2PDImode.
7607         * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7608         New predicates.
7609         * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7610         New constants.
7611         (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7612         MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7613         MACFLAG_IH): Likewise.
7614         (movstricthi_1): Renamed from "*movstricthi".
7615         (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7616         ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7617         abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7618         movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7619         movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7620         movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7621         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7622         sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7623         addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7624         mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7625         ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7626         flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7627         flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7628         flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7629         flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7630
7631         * doc/rtl.texi (ss_ashift): Improve wording.
7632
7633 2006-04-24  Geoffrey Keating  <geoffk@apple.com>
7634
7635         * dwarf2out.c (verify_marks_clear): New.
7636         (prune_unused_types): Call verify_marks_clear initially, not
7637         prune_unmark_dies.
7638
7639 2006-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
7640
7641         * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7642         * doc/rtl.texi: Document them.
7643         * simplify-rtx.c (simplify_unary_operation,
7644         simplify_binary_operation_1): Don't abort when we see them.
7645
7646 2006-04-24  Mark Mitchell  <mark@codesourcery.com>
7647
7648         Revert:
7649         2006-04-23  Mark Mitchell  <mark@codesourcery.com>
7650         * configure.ac: Completely disregard languages that are not
7651         enabled.
7652         * configure: Regenerated.
7653
7654 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
7655         Richard Guenther  <rguenther@suse.de>
7656
7657         PR tree-optimization/27236
7658         * tree-inline.c (copy_body_r): Make sure to copy
7659         TREE_THIS_VOLATILE flag.
7660
7661 2006-04-24  Richard Guenther  <rguenther@suse.de>
7662
7663         PR middle-end/26869
7664         * tree-complex.c (update_parameter_components): Don't handle
7665         unused parameters which have no default def.
7666
7667 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
7668         Richard Guenther  <rguenther@suse.de>
7669
7670         PR tree-optimization/27218
7671         * tree-inline.c (expand_call_inline): Strip useless type
7672         conversions for the return slot address.
7673
7674 2006-04-24  Richard Guenther  <rguenther@suse.de>
7675
7676         * cfgloop.h (struct loops): Remove unused field array.  Reorder
7677         state after num.
7678         (LOOP_PREFETCH): Remove.
7679
7680 2006-04-24  Richard Guenther  <rguenther@suse.de>
7681
7682         PR tree-optimization/22525
7683         * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7684         variable, adjust types of generated expressions.
7685
7686 2006-04-23  H.J. Lu  <hongjiu.lu@intel.com>
7687
7688         * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7689         (tree-vect-patterns.o): Likewise.
7690         (jump.o): Likewise.
7691         (cselib.o): Likewise.
7692         (loop-doloop.o): Likewise.
7693         (regclass.o): Likewise.
7694         (reload1.o): Likewise.
7695         (explow.o): Replace target.h with $(TARGET_H).
7696         (ipa-prop.o): Likewise.
7697         (ipa-cp.o): Likewise.
7698         (ipa-inline.o): Likewise.
7699         (reorg.o): Likewise.
7700         (reg-stack.o): Likewise.
7701
7702 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
7703
7704         * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7705
7706 2006-04-23  Mark Mitchell  <mark@codesourcery.com>
7707
7708         * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7709
7710         * configure.ac: Completely disregard languages that are not
7711         enabled.
7712         * configure: Regenerated.
7713
7714         PR c++/26534
7715         * c-common.h (c_build_bitfield_integer_type): Declare.
7716         * c-decl.c (c_build_bitfield_integer_type): Move to ...
7717         * c-common.c (c_build_bitfield_integer_type): ... here.
7718
7719 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7720
7721         PR target/21283
7722         * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7723         a SImode SUBREG of a floating point register after no_new_pseudos.
7724
7725 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7726
7727         * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7728         identify potentially eliminable registers to additionally catch
7729         VIRTUAL_INCOMING_ARGS_REGNUM.
7730         (addsi3): Update the conditions on when to use addsi_small_int.
7731
7732 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7733
7734         PR target/16641
7735         * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7736         STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7737         rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7738
7739 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
7740
7741         * fold-const.c (range_predecessor): Use operand_equal_p
7742         as the predicate for equality.
7743         (range_successor): Likewise.
7744
7745 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
7746
7747         Revert:
7748         * config/soft-fp/op-common.h: Fix a typo.
7749
7750 2006-04-22  Frank Ch. Eigler  <fche@redhat.com>
7751
7752         PR libmudflap/26864
7753         * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7754         * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7755
7756 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
7757
7758         * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7759         Fix comment typos.
7760         * doc/tm.texi: Fix a typo.
7761
7762 2006-04-21  Geoffrey Keating  <geoffk@apple.com>
7763
7764         * dwarf2out.c (struct die_struct): Document that die_sib makes
7765         a circular linked list.
7766         (FOR_EACH_CHILD): New.
7767         (reverse_die_lists): Delete.
7768         (reverse_all_dies): Delete.
7769         (add_dwarf_attr): Correct documentation.
7770         (remove_child_with_prev): New.
7771         (remove_child_TAG): Update for change to die_struct, use
7772         remove_child_with_prev.
7773         (add_child_die): Update for change to die_struct.
7774         (splice_child_die): Use remove_child_with_prev and add_child_die.
7775         (print_die): Use FOR_EACH_CHILD.
7776         (die_checksum): Likewise.
7777         (assign_symbol_names): Likewise.
7778         (output_location_lists): Likewise.
7779         (build_abbrev_table): Likewise.
7780         (calc_die_sizes): Likewise.
7781         (mark_dies): Likewise.
7782         (unmark_dies): Likewise.
7783         (unmark_all_dies): Likewise.
7784         (output_die): Likewise.
7785         (prune_unused_types_mark): Likewise.
7786         (prune_unused_types_walk): Likewise.
7787         (same_die_p): Update for change to die_struct.
7788         (break_out_includes): Likewise.
7789         (prune_unused_types_prune): Likewise.
7790         (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7791         (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7792         it's already clear.
7793         (dwarf2out_finish): Don't call reverse_all_dies.
7794
7795 2006-04-21  Eric Christopher  <echristo@apple.com>
7796
7797         * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7798         in comments and function names.
7799
7800 2006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7801
7802         PR c/25875
7803         * c-typeck.c (digest_init): Robustify.
7804
7805         * c-typeck.c (pop_init_level): Simplify.
7806
7807 2006-04-21  Steve Ellcey  <sje@cup.hp.com>
7808
7809         * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7810
7811 2006-04-21  Paul Brook  <paul@codesourcery.com>
7812
7813         * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7814         hardware floating point.
7815
7816 2006-04-21  David Edelsohn  <edelsohn@gnu.org>
7817
7818         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7819         NON_FLOAT_REGS.
7820
7821 2006-04-21  Nick Clifton  <nickc@redhat.com>
7822
7823         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7824         OPT_EXTRA_PARTS.
7825
7826 2006-04-21  Alan Modra  <amodra@bigpond.net.au>
7827
7828         PR target/27230
7829         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7830         C++ lang type in traceback table for Objective-C++.
7831
7832         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7833
7834 2006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
7835
7836         * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7837
7838 2006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7839
7840         PR mudflap/26789
7841         * tree-mudflap.c (mudflap_finish_file): Skip function when there
7842         were errors.  Remove check for erroneous objects.
7843
7844 2006-04-20  Jeff Law  <law@redhat.com>
7845
7846         PR tree-optimization/26854
7847         * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7848         checking for zero or one use.
7849         * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7850         * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7851         * tree-ssa-reassoc.c (negate_value): Similarly.
7852         (reassociate_bb): Similarly.
7853
7854 2006-04-20  Jakub Jelinek  <jakub@redhat.com>
7855
7856         * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7857         TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7858         than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7859
7860 2006-04-20  Alan Modra  <amodra@bigpond.net.au>
7861
7862         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7863         fp regs if the last fp arg doesn't fit in regs.
7864
7865 2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7866
7867         PR target/27182
7868         * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7869         that the last insn has the REG_INC note.
7870
7871 2006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
7872             Nathan Sidwell  <nathan@codesourcery.com>
7873
7874         PR c/26774
7875         * stor-layout.c (update_alignment_for_field): Do not align
7876         ERROR_MARK nodes.
7877         (place_union_field): Place union field at the start of the union.
7878         (place_field): Move ERROR_MARK check later, and use the current
7879         allocation position to maintain monotonicity.
7880
7881 2006-04-19  Zdenek Dvorak <dvorakz@suse.cz>
7882
7883         * dominance.c: Include timevar.h.
7884         (calculate_dominance_info): Use TV_DOMINANCE.
7885         * timevar.def (TV_DOMINANCE): New timevar.
7886         * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7887
7888 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7889
7890         PR rtl-optimization/14261
7891         * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7892         move would be an INSV insn.
7893         (noce_process_if_block): Don't optimize if the destination is a
7894         ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7895
7896 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7897
7898         * config/s390/s390.md: Add comments with the instructions emitted
7899         by an insn pattern if macros are used.
7900
7901 2006-04-19  Alan Modra  <amodra@bigpond.net.au>
7902
7903         PR rtl-optimization/26026
7904         * fold-const.c (fold_binary): Optimize div and mod where the divisor
7905         is a known power of two shifted left a variable amount.
7906
7907 2006-04-18  Geoffrey Keating  <geoffk@apple.com>
7908
7909         * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7910         to hash table twice when the debug_str section has SECTION_MERGE.
7911
7912 2006-04-18  Joseph S. Myers  <joseph@codesourcery.com>
7913
7914         * config/soft-fp: New directory.  From glibc.
7915         * config/soft-fp/t-softfp: New.
7916         * config/soft-fp/README: New.
7917         * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7918         * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7919         (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7920         (LIBGCC_DEPS): Add $(SFP_MACHINE).
7921         * config.gcc: Use rs6000/t-fprules-fpbit or
7922         rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7923         rs6000/t-fprules.
7924         * config/rs6000/sfp-machine.h: New.  Based on glibc.
7925         * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7926         New.
7927         * config/rs6000/t-fprules: Remove fp-bit rules.
7928         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7929         * config/rs6000/t-linux64: Likewise.  Remove duplicates from
7930         LIB2FUNCS_EXTRA.  Remove fp-bit rules.
7931         (softfp_wrap_start, softfp_wrap_end): New.
7932
7933 2006-04-18  DJ Delorie  <dj@redhat.com>
7934
7935         * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7936
7937 2006-04-18  Devang Patel  <dpatel@apple.com>
7938
7939         * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7940
7941 2006-04-18  Nick Clifton  <nickc@redhat.com>
7942
7943         * config/sh/t-symbian: Add rule to build sh-c.o
7944         * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7945         of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7946         (sh_symbian_encode_section_info): Likewise.
7947
7948 2006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>
7949
7950         * builtins.c (expand_builtin_strcmp): Cover label definition of
7951         do_libcall with HAVE_cmpstrnsi.
7952
7953 2006-04-18  Kazu Hirata  <kazu@codesourcery.com>
7954
7955         * function.c (temp_slots_at_level, max_slot_level): Use VEC
7956         instead of VARRAY.
7957         * function.h (temp_slot_p): New.
7958         (function): Change the type of x_used_temp_slots to
7959         VEC(temp_slot_p,gc) *.
7960
7961 2006-04-18  Nick Clifton  <nickc@redhat.com>
7962
7963         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7964         flag_strength_reduce.
7965
7966         * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7967
7968 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
7969
7970         PR target/27117
7971
7972         Partial revert of revision 112637
7973         2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
7974                     Dale Johannesen  <dalej@apple.com>
7975
7976         PR target/19653
7977         * regclass.c (struct reg_pref): Update documentation.
7978         (regclass): Set prefclass to NO_REGS if memory is the best option.
7979         (record_reg_classes): Cope with a prefclass set to NO_REGS.
7980
7981 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
7982
7983         PR tree-optimization/26821
7984         * tree-ssa-math-opts.c (get_constant_one): New.
7985         (insert_reciprocals): Use it.
7986
7987 2006-04-17  Geoffrey Keating  <geoffk@apple.com>
7988
7989         * dwarf2out.c (free_AT): Delete.
7990         (remove_AT): Update string ref counts.
7991         (remove_child_TAG): Don't call free_die.
7992         (free_die): Delete.
7993         (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7994         or DW_TAG_GNU_EINCL.
7995         (prune_unused_types_walk_attribs): Reset string refcounts.
7996         (prune_unused_types_update_strings): New.
7997         (prune_unused_types_prune): Don't make unnecessary stores.  Don't
7998         call free_die.  Do call prune_unused_types_update_strings.
7999         (prune_unused_types): Empty debug_str_hash.
8000
8001 2006-04-17  Roger Sayle  <roger@eyesopen.com>
8002
8003         * expr.c (expand_assignment): Optimize away no-op moves where the
8004         source and destination are equal and have no side-effects.
8005
8006 2006-04-17  Richard Guenther  <rguenther@suse.de>
8007
8008         PR target/26826
8009         * reload.c (push_reload): Guard calls to get_secondary_mem
8010         for memory subregs.
8011
8012 2006-04-16  Kazu Hirata  <kazu@codesourcery.com>
8013
8014         * alias.c (reg_base_value, old_reg_base_value): Change the
8015         type to VEC(rtx,gc) *.
8016         (REG_BASE_VALUE, find_base_value, record_set,
8017         init_alias_analysis): Use VEC instead of VARRAY.
8018
8019         * alias.c (alias_sets): Change the type to
8020         VEC(alias_set_entry,gc) *.
8021         (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8022         VEC instead of VARRAY.
8023         (last_alias_set): Remove.
8024
8025         * cgraph.h (cgraph_edge_p): New.
8026         Update the prototype of cgraph_function_versioning.
8027         * cgraphunit.c (cgraph_copy_node_for_versioning,
8028         cgraph_function_versioning): Use VEC instead of VARRAY.
8029         * ipa-cp.c (ipcp_insert_stage): Likewise.
8030
8031 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8032
8033         PR target/26961
8034         * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8035         "A op B" or "A op C", we may need to convert A to the type of B and C.
8036
8037 2006-04-16  Adam Nemet  <anemet@caviumnetworks.com>
8038
8039         * target.h (struct gcc_target): Add mode_rep_extended.
8040         * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8041         (init_num_sign_bit_copies_in_rep): Initialize it using
8042         mode_rep_extended.
8043         (truncate_to_mode): Use it.
8044         (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8045         * targhooks.h (default_mode_rep_extended): Declare it.
8046         * targhooks.c (default_mode_rep_extended): Define it.
8047         * target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
8048         default_mode_rep_extended.
8049         (TARGET_INITIALIZER): Include it.
8050         * doc/tm.texi (Misc): Document it.
8051         * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8052         (mips_truncated_to_mode): New function.
8053
8054 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8055
8056         PR middle-end/25474
8057         * expr.c (compress_float_constant): Copy the narrow constant into
8058         a new pseudo before extending it to its final width.
8059
8060 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8061             Andrew Pinski  <pinskia@gcc.gnu.org>
8062             Dale Johannesen  <dalej@apple.com>
8063
8064         PR target/24076
8065         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8066         special case code to implement V8HImode and V16QImode with SSE2.
8067
8068 2006-04-15  Roger Sayle  <roger@eyesopen.com>
8069
8070         * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8071         trees are constructed with a suitable tree type.
8072
8073 2006-04-15  Roger Sayle  <roger@eyesopen.com>
8074
8075         * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8076         (integer_onep): Likewise.
8077         (integer_all_onesp): Likewise.
8078         (integer_pow2p): Likewise.
8079         (integer_nonzerop): Likewise.
8080         (real_zerop): Likewise.
8081         (real_onep): Likewise.
8082         (real_twop): Likewise.
8083         (real_minus_onep): Likewise.
8084         (int_size_in_bytes): Likewise.
8085         (host_integerp): Likewise.
8086
8087 2006-04-15  Kazu Hirata  <kazu@codesourcery.com>
8088
8089         * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8090         jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8091         tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8092
8093         * tree-ssa-structalias.h (alias_info): Remove num_references.
8094
8095 2006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8096
8097         * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8098         (output_bvb patterns): Likewise.
8099         * pa.c (output_bb): Use 'bb' insn for long branch case.
8100         (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8101         (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8102         1.  Correct length operand for alternatives 1 and 2.
8103         (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8104         1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
8105
8106 2006-04-14  Roger Sayle  <roger@eyesopen.com>
8107
8108         * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8109         is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8110         were accidentally reverted by r112959.
8111
8112 2006-04-15  Jakub Jelinek  <jakub@redhat.com>
8113
8114         PR middle-end/26823
8115         * except.h (eh_region_outermost): New prototype.
8116         * except.c (eh_region_outermost): New function.
8117         * tree-cfg.c (find_outermost_region_in_block): Use it.
8118
8119 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
8120
8121         * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8122         of VARRAY.
8123         * reload1.c (reg_equiv_memory_loc_varray): Rename to
8124         reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
8125         (init_reload, reload): Use VEC instead of VARRAY.
8126         * reload.h: Update the prototype for
8127         reg_equiv_memory_loc_varray.
8128
8129 2006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
8130             Eric Botcazou  <ebotcazou@libertysurf.fr>
8131
8132         * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8133         register save area.
8134
8135 2005-04-13  Uros Bizjak  <uros@kss-loka.si>
8136
8137         PR middle-end/27134
8138         * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8139         to expand fallback builtin function call.
8140
8141 2006-04-14  Alan Modra  <amodra@bigpond.net.au>
8142
8143         PR middle-end/27095
8144         * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8145         and emit libcall here in case the builtin fails.
8146         (expand_builtin_strcmp): Always emit the libcall here on failure.
8147
8148 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
8149
8150         * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8151         * flow.c (reg_n_info): Change the type to
8152         VEC(reg_info_p,heap) *.
8153         * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8154         instead of VARRAY.
8155         * regs.h (reg_info_p): New.
8156         (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8157         REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8158         REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8159         instead of VARRAY.
8160
8161 2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
8162
8163         * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8164         defaulting to 100.
8165         * params.h (MAX_SCHED_READY_INSNS): New macro.
8166         * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8167         past MAX_SCHED_READY_INSNS during the first scheduling pass.
8168         (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8169         the ready list for 1 cycle during the first scheduling pass.
8170         * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8171
8172 2006-04-13  Richard Henderson  <rth@redhat.com>
8173
8174         PR libgomp/26651
8175         * gimple-low.c (lower_omp_directive): Remove dead code.
8176         (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8177         * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8178         * omp-low.c (struct omp_region): Move to tree-flow.h.
8179         (root_omp_region): Export.
8180         (omp_regions, lookup_omp_region): Remove.
8181         (determine_parallel_type): Update for struct omp_region changes.
8182         (dump_omp_region): Dump regions with block numbers.
8183         (new_omp_region): Take type and block instead of stmt; malloc
8184         instead of ggc.
8185         (free_omp_region_1, free_omp_regions): New.
8186         (expand_parallel_call): Take entry_stmt as argument; update for
8187         changes to omp_region.
8188         (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8189         (remove_exit_barriers): New.
8190         (expand_omp_parallel): Update for struct omp_region changes.
8191         (expand_omp_synch): Likewise.
8192         (expand_omp): Likewise.
8193         (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8194         (expand_omp_for_static_chunk): Likewise.
8195         (expand_omp_for): Likewise.
8196         (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8197         (expand_omp_sections): Similarly, with GOMP_sections_end.
8198         (expand_omp_single): New.
8199         (build_omp_regions_1): Update for OMP_CONTINUE.
8200         (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8201         (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8202         OMP_SECTIONS_SECTIONS.
8203         (lower_omp_single_simple): Don't emit barrier here.
8204         (lower_omp_single_copy): Likewise.
8205         (lower_omp_single): Fix bindings, and lower to straightline now.
8206         (lower_omp_master, lower_omp_ordered): Likewise.
8207         (lower_omp_critical): Likewise.
8208         (lower_omp_for): Likewise.  Emit OMP_CONTINUE.
8209         * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8210         omp edges, free it afterward.
8211         (make_omp_sections_edges): Remove.
8212         (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8213         (move_stmt_r): Handle OMP_CONTINUE.
8214         * tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
8215         statement pointers to basic blocks.  Add type member.
8216         (root_omp_region, new_omp_region, free_omp_regions): Declare.
8217         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8218         * tree-inline.c (estimate_num_insns_1): Likewise.
8219         * tree-pretty-print.c (dump_generic_node): Likewise.
8220         * tree-ssa-operands.c (get_expr_operands): Likewise.
8221         * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8222         (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8223         (OMP_CONTINUE): New.
8224         * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8225         (OMP_SECTIONS_SECTIONS): Remove.
8226         (OMP_SECTION_LAST): New.
8227         (OMP_RETURN_NOWAIT): New.
8228
8229 2006-04-13  Roger Sayle  <roger@eyesopen.com>
8230
8231         * fold-const.c (native_encode_vector, native_interpret_real):
8232         Correct obvious mistakes in the previous check-in.
8233
8234 2006-04-13  Roger Sayle  <roger@eyesopen.com>
8235
8236         * fold-const.c (native_encode_expr): New function to encode
8237         the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8238         or VECTOR_CST into a specified buffer.
8239         (native_encode_int): New function.
8240         (native_encode_real): New function.
8241         (native_encode_complex): New function.
8242         (native_encode_vector): New function.
8243         (native_interpret_expr): Inverse of native_encode_expr to convert
8244         a target representation into an INTEGER_CST, REAL_CST etc...
8245         (native_interpret_int): New function.
8246         (native_interpret_real): New function.
8247         (native_interpret_complex): New function.
8248         (native_interpret_vector): New function.
8249         (fold_view_convert_expr): New function to constant fold/evaluate
8250         a VIEW_CONVERT_EXPR of a suitable constant expression.
8251         (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8252         Change call of build1 to fold_build1 when constructing a
8253         VIEW_CONVERT_EXPR.
8254
8255 2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
8256             Ulrich Weigand  <uweigand@de.ibm.com>
8257
8258         PR target/27006
8259         * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8260         to be even.
8261
8262 2006-04-13  Alan Modra  <amodra@bigpond.net.au>
8263
8264         PR target/26459
8265         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8266         optimize to lo_sum for DFmode if !TARGET_FPRS.
8267
8268 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
8269
8270         * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8271         delete_alias_info, compute_flow_sensitive_aliasing,
8272         group_aliases): Use VEC instead of VARRAY.
8273         * tree-ssa-structalias.c (update_alias_info): Likewise.
8274         * tree-ssa-structalias.h (alias_info): Change the type of
8275         processed_ptrs to VEC(tree,heap) *.
8276
8277 2006-04-12  J"orn Rennecke <joern.rennecke@st.com>
8278
8279         PR target/27060
8280         * config/sh/lib1funcs.h: New file, broken out of:
8281         * config/sh/lib1funcs.asm.
8282         * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8283         New macros.
8284         * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8285         * config/sh/lib1funcs-Os-4-200.asm: New file.
8286         * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8287         * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8288         (EXTRA_MULTILIB_PARTS): Include it.
8289         ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8290         ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8291         * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8292         * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8293         TARGET_SH2.
8294
8295 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
8296
8297         * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8298         * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8299         tpa_compact, root_var_init, type_var_init): Use VEC instead of
8300         VARRAY.
8301         * tree-ssa-live.h: Include vecprim.h.
8302         (tree_partition_associator_d): Change the type of
8303         first_partition to VEC(int,heap) *.
8304         (tpa_first_partition): Use VEC instead of VARRAY.
8305
8306         * Makefile.in (GTFILES): Move functions.h after tree.h.
8307         * function.c (reset_block_changes, record_block_change,
8308         check_block_change, free_block_changes): Use VEC instead of
8309         VARRAY.
8310         * function.h (function): Change the type of
8311         ib_boundaries_block to VEC(tree,gc) *.
8312         * tree-inline.c (copy_cfg_body): Initialize
8313         ib_boundaries_block to NULL instead of (varray_type) 0.
8314
8315 2006-04-12  Roger Sayle  <roger@eyesopen.com>
8316
8317         * expr.c (emit_group_store): Correct operand order in call to
8318         subreg_lowpart_offset.  Always create paradoxical SUBREGs with
8319         a SUBREG_BYTE of zero.
8320
8321 2006-04-12  Richard Guenther  <rguenther@suse.de>
8322
8323         * profile.c (compute_branch_probabilities): Remove code
8324         encapsulated in !ir_type (), which are remanents of the
8325         removed RTL profiling code.
8326         * rtl-profile.c: Remove.
8327
8328 2006-04-12  Alan Modra  <amodra@bigpond.net.au>
8329
8330         * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8331         magic NULL_RTX comment.
8332         (function_arg): Store entire fp arg to mem if any part should go
8333         on stack.
8334         (rs6000_arg_partial_bytes): Adjust for above change.
8335
8336 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8337
8338         * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8339         if it hasn't been initialized by dwarf2out_init.
8340
8341 2006-04-11  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
8342
8343         * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8344         symbolic constants in branch patterns.
8345
8346 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8347
8348         * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8349
8350 2006-04-11  Richard Sandiford  <richard@codesourcery.com>
8351
8352         PR rtl-optimization/27073
8353         * gcse.c (try_replace_reg): Revert last change.  Continue to search
8354         for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8355         on the former.
8356
8357 2006-04-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
8358
8359         * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8360         aggregate types other than record and union types.
8361         (function_arg): Likewise.
8362         (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8363         small arrays.
8364         (function_value): In 64-bit mode, return objects that require it
8365         in FP registers.
8366
8367 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8368
8369         * dwarf2out.c (premark_used_types): Remove problematic prototype.
8370
8371 2006-04-11  Jakub Jelinek  <jakub@redhat.com>
8372
8373         * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8374
8375 2006-04-03  Jeff Law  <law@redhat.com>
8376
8377         PR/27087
8378         * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8379         alias information too.
8380
8381 2006-04-10  Mike Frysinger  <vapier@gentoo.org>
8382
8383         * Makefile.in (gcc-cross): Add $(exeext) to target name.
8384
8385 2006-04-10  Aldy Hernandez  <aldyh@redhat.com>
8386
8387         PR/21391
8388         * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8389         (premark_used_types_helper): New.
8390         (premark_used_types): New.
8391         (gen_subprogram_die): Call premark_used_types.
8392         (prune_unused_types_walk): Do not prune perennial dies.
8393         * function.c (used_types_insert): New.
8394         * function.h (struct function): Add used_types_hash field.
8395         (used_types_insert): Add prototype.
8396         * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8397         * c-parser.c (c_parser_cast_expression): Save casted types in used
8398         types hash table.
8399
8400 2006-04-11  Mark Mitchell  <mark@codesourcery.com>
8401
8402         PR target/26459
8403         * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8404         rs6000_explicit_options.float_gprs.
8405
8406 2006-04-10  Roger Sayle  <roger@eyesopen.com>
8407
8408         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8409         from ix86_expand_vector_init_low_nonzero.  Take an additional
8410         one_var argument indicating which element is non-zero.  Support
8411         one_var != 0 for V4SFmode and V4SImode by permuting the result.
8412         (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8413         with one_var instead of ix86_expand_vector_init_low_nonzero.
8414
8415 2006-04-10  Kazu Hirata  <kazu@codesourcery.com>
8416
8417         * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8418         tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8419         global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8420         build/genextract.o): Depend on vecprim.h.
8421         * cfglayout.c, df-problems.c, function.c, genextract.c,
8422         global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8423         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8424         vecprim.h.
8425         * vecprim.h: New.
8426
8427 2006-04-10  Geoffrey Keating  <geoffk@apple.com>
8428
8429         * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8430         Declare VECs of this type.
8431         (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8432         (remove_children): Delete.
8433         (add_dwarf_attr): Use VEC routines.
8434         (add_AT_flag): Update for changes to add_dwarf_attr.
8435         (add_AT_int): Likewise.
8436         (add_AT_unsigned): Likewise.
8437         (add_AT_long_long): Likewise.
8438         (add_AT_vec): Likewise.
8439         (add_AT_string): Likewise.
8440         (add_AT_die_ref): Likewise.
8441         (add_AT_fde_ref): Likewise.
8442         (add_AT_loc): Likewise.
8443         (add_AT_loc_list): Likewise.
8444         (add_AT_addr): Likewise.
8445         (add_AT_lbl_id): Likewise.
8446         (add_AT_lineptr): Likewise.
8447         (add_AT_macptr): Likewise.
8448         (add_AT_offset): Likewise.
8449         (add_AT_range_list): Likewise.
8450         (get_AT): Use VEC_iterate.
8451         (remove_AT): Use VEC_ordered_remove.
8452         (free_die): Fold remove_children into here; have it use VEC_iterate.
8453         (print_die): Use VEC_iterate on attrs.
8454         (reverse_die_lists): Don't reverse attr lists.
8455         (die_checksum): Use VEC_iterate on attrs.
8456         (same_die_p): Likewise.
8457         (output_location_lists): Likewise.
8458         (build_abbrev_table): Likewise.
8459         (size_of_die): Likewise.
8460         (unmark_all_dies): Likewise.
8461         (output_abbrev_section): Likewise.
8462         (output_die): Likewise.
8463         (prune_unused_types_walk_attribs): Likewise.
8464
8465 2006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
8466
8467         * doc/install.texi (*-*-solaris2*): Point to the configure page.
8468
8469 2006-04-10  Jakub Jelinek  <jakub@redhat.com>
8470
8471         PR debug/27057
8472         * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8473
8474 2006-04-09  Roger Sayle  <roger@eyesopen.com>
8475
8476         * expr.c (store_constructor): Don't bother clearing target if
8477         we're about to assign a vector to it using vec_init_optab.
8478
8479 2006-04-10 Daniel Berlin  <dberlin@dberlin.org>
8480
8481         * tree-ssa-alias.c (lhs_may_store_to): New function.
8482         (recalculate_used_alone): Handle LHS of calls.
8483
8484 2006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8485
8486         PR target/27034
8487         PR target/26508
8488         * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8489         * pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
8490         (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
8491         (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8492         (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8493         (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8494         section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8495         stubs.  Add ".align 8" directives before all ".dword" directives.
8496         (GTHREAD_USE_WEAK): Revise comment.
8497         (TARGET_ATTRIBUTE_WEAK): Define.
8498         * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8499         dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8500         * stublib.c: New file.
8501
8502         PR target/26743
8503         PR target/11254
8504         PR target/10274
8505         * pa.md (cbranch patterns): Revise arguments used in calls to
8506         output_cbranch, output_bb and output_bvd.  Add long branch length
8507         attributes.
8508         (fbranch patterns): Handle long branches.
8509         (jump): Revise length check.  Revise arguments for output_lbranch call.
8510         Add long branch length attributes.
8511         (decrement_and_branch_until_zero): Add long branch length attributes.
8512         (output_movb, output_parallel_addb and output_parallel_movb patterns):
8513         Likewise.  Revise arguments for output_parallel_addb and
8514         output_parallel_movb calls.
8515         * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8516         output_parallel_movb and output_parallel_addb): Update prototypes.
8517         * pa.c (output_cbranch): Revise arguments.  Correct handling of
8518         nullification in long branches.
8519         (output_lbranch): Add new argument to control extraction of delay
8520         instruction.
8521         (output_bb): Handle long branches.
8522         (output_bvb, output_dbra, output_movb, output_parallel_movb,
8523         output_parallel_addb): Likewise.
8524
8525 2006-04-09  Richard Sandiford  <richard@codesourcery.com>
8526
8527         PR rtl-optimization/27073
8528         * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8529         not REG_EQUIVs.
8530
8531 2006-04-08  Daniel Berlin  <dberlin@dberlin.org>
8532
8533         * tree.h (tree_memory_tag): Add old_used_alone.
8534         (SMT_OLD_USED_ALONE): New macro.
8535         * tree-ssa-alias.c (recalculate_used_alone): Stop
8536         marking things for renaming unnecessarily.
8537
8538 2006-04-08  Kazu Hirata  <kazu@codesourcery.com>
8539
8540         * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8541         config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8542         config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8543         haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8544         sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8545         tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8546         tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
8547         spelling convensions.
8548         * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8549         doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8550         typos.  Follow spelling conventions.
8551
8552 2006-04-07  DJ Delorie  <dj@redhat.com>
8553
8554         * config/m32c/m32c.c (m32c_function_arg): Structures are always
8555         passed on the stack.
8556         (m32c_init_cumulative_args): When a function returns a structure,
8557         always pass the pointer to that return area on the stack.
8558         (m32c_function_arg_advance): Don't increment the parameter number
8559         if we're processing the returned structure pointer.
8560         (pushm_info): Reverse order of registers.
8561
8562 2006-04-07  Sebastian Pop  <pop@cri.ensmp.fr>
8563
8564         * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8565         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8566         number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8567         estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8568         build_int_cst_type.
8569         * tree-chrec.c (chrec_fold_multiply_poly_poly,
8570         chrec_fold_multiply): Same.
8571         * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8572         force_expr_to_var_cost): Same.
8573         * tree-mudflap.c (mf_xform_derefs_1): Same.
8574         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8575
8576 2006-04-07  David Edelsohn  <edelsohn@gnu.org>
8577
8578         * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8579         treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
8580         insn.
8581
8582 2006-04-07  Jan Hubicka  <jh@suse.cz>
8583
8584         * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8585
8586 2006-04-07  Richard Guenther  <rguenther@suse.de>
8587
8588         PR tree-optimization/26135
8589         * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8590         loads for store copy-prop.
8591         (copy_prop_visit_stmt): Likewise.
8592
8593 2006-04-05  Robert Millan  <robertmh@gnu.org>
8594
8595         * config/i386/linux.h: Add a comment to mark macros that are
8596         being overriden in config/k*bsd-gnu.h.
8597         * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8598         DYNAMIC_LINKER.
8599         * config/knetbsd-gnu.h: Ditto.
8600
8601 2006-04-06  Jan Hubicka  <jh@suse.cz>
8602
8603         PR profile/20815
8604         PR profile/26399
8605         * coverage.c (coverage_checksum_string): Reorganize loop to not read
8606         after buffer.
8607
8608 2006-04-06  Mike Stump  <mrs@apple.com>
8609
8610         * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8611         for HAVE_nonlocal_goto to be consistent.
8612         (expand_builtin_nonlocal_goto): Likewise.
8613         (expand_builtin_strcmp): Use #ifdef instead of #if
8614         for HAVE_cmpstrnsi to be consistent.
8615
8616 2006-04-05  DJ Delorie  <dj@redhat.com>
8617
8618         * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8619         vs m32c.
8620
8621 2006-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8622
8623         * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8624         got-relative addressing for anything but SImode.
8625
8626         * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8627         even if the calling function doesn't modify them.
8628
8629 2006-04-05  Richard Guenther  <rguenther@suse.de>
8630
8631         PR tree-optimization/26919
8632         * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8633         to cgraph_estimate_size_after_inlining.
8634
8635 2006-04-05  Alan Modra  <amodra@bigpond.net.au>
8636
8637         * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8638
8639 2006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>
8640
8641         PR tree-optimization/26996
8642         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8643         VECTOR_TYPE variables.
8644
8645 2006-04-05  Richard Guenther  <rguenther@suse.de>
8646
8647         PR tree-optimization/26763
8648         * fold-const.c (fold_comparison): Move folding of
8649         PTR + CST CMP PTR + CST ...
8650         (fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
8651
8652 2006-04-05  Gerald Pfeifer  <gerald@pfeifer.com>
8653
8654         * doc/install.texi (Prerequisites): Refine some wording on
8655         bootstrapping and ksh.
8656         Move the version numbers of DejaGnu here from the testing section
8657         and fix casing of names.
8658         Fix markup and clarify wording for autogen requirements.
8659         Refer to GCJ instead of just java.
8660         Refer to SVN instead of CVS.
8661         Describe diffutils as useful instead of necessary.
8662         (Downloading the source): Refer to SVN instead of CVS.
8663         Adjust a link to our web site accordingly.
8664         (Configuration): Fix casing of Bison.
8665         (Building): Refer to SVN instead of CVS.
8666         Fix a sentence on the use of Bison and remove duplicate (and
8667         incorrect) version number of Bison requirement.
8668         Remove one redundant list of packages needed for building.
8669         (Specific): Avoid reference to CVS.
8670
8671 2006-04-04  Eric Christopher  <echristo@apple.com>
8672
8673         * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8674         (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8675         (rs6000_handle_struct_attribute): New.
8676         (rs6000_ms_bitfield_layout_p): Ditto.
8677
8678 2006-04-04  Geoffrey Keating  <geoffk@apple.com>
8679
8680         * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8681         NULL for dso parameter to atexit_common.
8682
8683 2006-04-04  Eric Christopher  <echristo@apple.com>
8684
8685         * config/i386/i386.c (machopic_output_stub): Output \t
8686         between instructions and operands.
8687
8688 2006-04-04  David Edelsohn  <edelsohn@gnu.org>
8689
8690         * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8691         satisfies_constraint_[IL] to explicit tests on value.
8692
8693 2006-04-04  Sebastian Pop  <pop@cri.ensmp.fr>
8694
8695         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8696         set_nb_iterations_in_loop): Use build_int_cst instead of
8697         build_int_cst_type.
8698         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8699         build_int_cst instead of convert.
8700
8701 2006-04-04  Carlos O'Donell  <carlos@codesourcery.com>
8702
8703         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8704         new value 2 for incoming.
8705         * function.c (expand_function_start): Call struct_value_rtx
8706         with incoming as 2.
8707         * config/sparc/sparc.md: Comment updated_return.
8708         * config/sparc/sparc.opt: Add -mstd-struct-return option.
8709         * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8710         struct return if sparc_std_struct_return and incoming is 2.
8711         (print_operand): Do not adjust return if
8712         sparc_std_struct_return.
8713
8714 2006-04-04  Roger Sayle  <roger@eyesopen.com>
8715
8716         * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8717         convert in the middle-end.
8718         * expr.c (store_expr, store_constructor, get_inner_reference,
8719         expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8720         Likewise.
8721         * tree.c (build_range_type): Likewise.
8722
8723 2006-04-04  Tom Tromey  <tromey@redhat.com>
8724
8725         * doc/install.texi (Prerequisites): Mention jar.
8726
8727 2006-04-04  Daniel Berlin  <dberlin@dberlin.org>
8728
8729         * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8730         subsection.
8731
8732 2006-04-04  Matthias Klose  <doko@debian.org>
8733
8734         * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8735
8736         PR bootstrap/26764
8737         PR bootstrap/27334
8738         * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8739         strings.
8740
8741 2006-04-03  Geoffrey Keating  <geoffk@apple.com>
8742
8743         * doc/extend.texi (Function Attributes): Rewrite visibility
8744         attribute documentation.
8745         * doc/invoke.texi (C++ Dialect Options): Rewrite
8746         -fvisibility-inlines-hidden documentation to describe something
8747         entirely different, although in practise compatible.
8748         (Code Gen Options): Warn about system headers in -fvisibility=
8749         documentation.
8750
8751         * doc/extend.texi (Other Builtins): Document that
8752         __builtin_nan is a compile-time constant only when its argument
8753         is valid.
8754
8755 2006-04-03  Adam Nemet  <anemet@caviumnetworks.com>
8756
8757         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8758         trying to remove TRUNCATE check if all bits outside the new mode
8759         are identical to the sign bit.
8760
8761 2006-04-03  Jeff Law  <law@redhat.com>
8762
8763         * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8764         and operand scanning in some common cases.
8765
8766 2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
8767             Dale Johannesen  <dalej@apple.com>
8768
8769         PR target/19653
8770         * regclass.c (struct reg_pref): Update documentation.
8771         (regclass): Set prefclass to NO_REGS if memory is the best option.
8772         (record_reg_classes): Cope with a prefclass set to NO_REGS.
8773         * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8774         into account.  For non-registers, equate an empty preferred
8775         reload class to a `!' in the constraint; move the if clause to
8776         do so after those that reject the insn.
8777         (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8778         return NO_REGS.
8779         (find_dummy_reload): Likewise.
8780         * doc/tm.texi (Register Classes): Document what it means
8781         if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8782         * config/i386/i386.c (ix86_preferred_reload_class): Force
8783         using SSE registers (and return NO_REGS for floating-point
8784         constants) if math is done with SSE.
8785         (ix86_preferred_output_reload_class): New.
8786         * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8787         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8788         * config/i386/i386.md: Remove # register preferences.
8789
8790 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8791
8792         PR bootstrap/26992
8793         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8794         chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8795         the type of nb_iter.
8796         (instantiate_parameters_1): Convert the operands before calling
8797         chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8798         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8799
8800 2006-04-02  Roger Sayle  <roger@eyesopen.com>
8801
8802         * builtins.c (dummy_object): Use build_int_cst instead of convert.
8803         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8804         instead of convert.
8805         * dojump.c (do_jump): Likewise.
8806         * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8807         * gimplify.c (gimple_boolify, gimplify_init_constructor,
8808         gimplify_boolean_expr): Likewise.
8809         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8810         * varasm.c (array_size_for_constructor): Likewise.
8811         * tree-object-size.c (compute_object_offset): Likewise.
8812
8813 2006-04-02  Roger Sayle  <roger@eyesopen.com>
8814
8815         PR middle-end/26977
8816         * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8817         NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8818
8819 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8820
8821         PR tree-optimization/26939
8822         * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8823
8824 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8825
8826         * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8827         at_stmt.  Convert the type of operands before calling
8828         build_polynomial_chrec.
8829         (add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
8830         add_to_evolution_1.
8831         (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8832         (instantiate_parameters_1): Convert the type of operands before calling
8833         build_polynomial_chrec.
8834         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8835         chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8836         reset_evolution_in_loop): Insert asserts to check the types of the
8837         operands.
8838         (chrec_type): Moved...
8839         (eq_evolutions_p): Use operand_equal_p.
8840         * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8841         the types of the operands.
8842         (chrec_type): ...here.
8843         * tree-data-ref.c (create_data_ref): Convert the operands before
8844         calling chrec_replace_initial_condition.
8845         (same_access_functions, analyze_subscript_affine_affine,
8846         analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8847         (compute_subscript_distance, analyze_ziv_subscript,
8848         analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8849         analyze_miv_subscript): Convert the operands before calling
8850         chrec_fold_minus or chrec_fold_plus.
8851
8852 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8853
8854         * tree-data-ref.c (compute_all_dependences): Use a pointer to
8855         the dependence_relations vector.
8856         (compute_data_dependences_for_loop): Adjust call to
8857         compute_all_dependences.
8858
8859 2006-04-01  Roger Sayle  <roger@eyesopen.com>
8860             Richard Henderson  <rth@redhat.com>
8861
8862         * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8863         gimple_boolify on the condition before calling gimplify_expr.
8864
8865 2006-03-31  Bob Wilson  <bob.wilson@acm.org>
8866
8867         * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8868         to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
8869         the frame size.  Update to use the new macros.
8870         * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8871         * config/xtensa/ieee754-df.S: Likewise.
8872
8873 2006-03-31  Richard Henderson  <rth@redhat.com>
8874
8875         * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8876         (make_edges): ... here.  Control fallthru creation with a local
8877         variable.  Do not play with fake edges.
8878         (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8879         (make_goto_expr_edges): Don't play with fake edges.  Make for_call
8880         a boolean.
8881
8882 2006-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8883
8884         * dwarf2.h (DW64_CIE_ID): Define.
8885         * dwarf2out.c (DWARF_CIE_ID): Define.
8886         (output_call_frame_info): Output 0xffffffff before standard 8-byte
8887         length header.  Use DWARF_CIE_ID.
8888         (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8889         dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8890
8891 2006-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8892
8893         * config/sh/linux-atomic.asm: New file.
8894         * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8895
8896 2006-03-31  DJ Delorie  <dj@redhat.com>
8897
8898         * config/m32c/cond.md: Set condition flags properly throughout.
8899         * config/m32c/minmax.md: Likewise.
8900         * config/m32c/prologue.md: Likewise.
8901         * config/m32c/bitops.md: Likewise.
8902         * config/m32c/muldiv.md: Likewise.
8903         * config/m32c/mov.md: Likewise.
8904         * config/m32c/addsub.md: Likewise.
8905         * config/m32c/m32c.md: Likewise.
8906         * config/m32c/jump.md: Likewise.
8907         * config/m32c/shift.md: Likewise.
8908
8909         * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8910         conditionally output the pattern for this.
8911         * config/m32c/m32c.c (flags_needed_for_conditional): New.
8912         (m32c_compare_redundant): New.
8913         (m32c_output_compare): New.
8914         * config/m32c/m32c-protos.h (m32c_output_compare): New.
8915
8916         * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8917         dest, not src.  Allow other 4-byte modes.
8918
8919 2006-03-30  Denis Chertykov  <denisc@overta.ru>
8920
8921         * doc/md.texi: Refer to avr/constraints.md instead of
8922         avr/avr.h.
8923
8924 2006-03-30  Roger Sayle  <roger@eyesopen.com>
8925
8926         * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8927         signed vs. unsigned comparison failures on some hosts.
8928
8929 2006-03-31  Alan Modra  <amodra@bigpond.net.au>
8930
8931         PR target/26459
8932         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8933         change to FLOAT_REGS.
8934
8935         * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8936         (rs6000_override_options): Use it.
8937         (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
8938         only for -mabi=spe/no-spe and -mabi=altivec.
8939
8940 2006-03-30  Geoffrey Keating  <geoffk@apple.com>
8941
8942         * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8943         !Zdynamiclib.
8944
8945 2006-03-30  Carlos O'Donell  <carlos@codesourcery.com>
8946
8947         * Makefile.in: Rename docdir to gcc_docdir.
8948
8949 2006-03-30  Roger Sayle  <roger@eyesopen.com>
8950
8951         PR target/17959
8952         * expr.c (emit_group_store): Optimize group stores into a pseudo
8953         register by using a paradoxical subreg to initialize the destination
8954         if the first or last member of the group specifies a "low part".
8955
8956 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8957
8958         PR target/26734
8959         * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8960         * target.h (struct gcc_target.speculate_insn): Change type of the
8961         second parameter to 'int'.
8962         * lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
8963         the second operand of the DEPS_LIST.
8964         (copy_DEPS_LIST_list): Update reference to the second operand of the
8965         DEPS_LIST.
8966         * rtl.h (alloc_DEPS_LIST): Update signature.
8967         * sched-int.h (ds_t): Change typedef to 'int'.
8968         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8969
8970 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8971
8972         * haifa-sched.c (try_ready): Change condition to restore
8973         non-speculative pattern of the instruction.
8974         (process_insn_depend_be_in_spec): Code to keep probability of the
8975         speculative dependence non-decreasing.
8976
8977 2006-03-30  Jie Zhang  <jie.zhang@analog.com>
8978
8979         * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8980         (single_move_for_movmem): ... this. Also change all uses.
8981         (bfin_expand_strmov): Renamed to...
8982         (bfin_expand_movmem): ... this. Also change all uses.
8983         * config/bfin/bfin.md (movstrsi): Renamed to...
8984         (movstrsi): ...this.
8985
8986 2006-03-30  Paolo Bonzini  <bonzini@gnu.org>
8987
8988         PR tree-optimization/26830
8989
8990         * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8991         (copy_prop_visit_stmt): Remove write-only variable ann.
8992         (init_copy_prop): Check variable loop depth here.  Do not simulate
8993         memory-tag and virtual operand PHIs except for store copy prop.
8994
8995 2006-03-30  Richard Guenther  <rguenther@suse.de>
8996
8997         * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8998         variants with double arguments.
8999
9000 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
9001
9002         * genpreds.c (write_tm_constrs_h): Delete variable p.
9003         * genconditions.c (write_header): Add tm-constrs.h to included
9004         headers.
9005         * genpeep.c (main): Add toplev.h to included headers.
9006         * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9007         (build/genpeep.o): Add toplev.h dependency.
9008         * config/rs6000/constraints.md: Add "W" constraint.
9009
9010 2006-03-29  Roger Sayle  <roger@eyesopen.com>
9011
9012         * stor-layout.c (mode_for_size_tree): Remove restiction on type
9013         sizes by correctly testing whether the size fits a host integer.
9014         (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9015         to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9016         SImode range for the default sizetype and bitsizetype.
9017
9018 2006-03-29  Roger Sayle  <roger@eyesopen.com>
9019
9020         * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9021         and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
9022         quickly if the argument is already of the correct type.
9023         Call fold_build1 instead of build1.  Tidy up blank lines.
9024
9025 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
9026
9027         * genemit.c (main): Add tm-constrs.h to included headers.
9028         * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9029         * genpeep.c (main): Add tm-constrs.h to included headers.
9030         * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9031         (write_tm_constrs_h): this and write complete file.
9032         (write_tm_preds_h): Do not emit satisfies_constraint fns.
9033         (write_insn_preds_c): Add tm-constrs.h to included headers.
9034         (gen_constrs): New variable.
9035         (parse_option): Parse "-c".
9036         (main): Invoke write_tm_constrs_h.
9037         * genrecog.c (write_header): Add tm-constrs.h to included headers.
9038         * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9039         (object_out_file): Add tm-constrs.h dependency.
9040         (insn-emit.o): Same.
9041         (insn-output.o): Same.
9042         (insn-peep.o): Same.
9043         (insn-preds.o): Same.
9044         (insn-recog.o): Same.
9045         (tm-constsr.h): New target.
9046         (s-constrs-h): New target.
9047
9048         * config/rs6000/constraints.md: New file.
9049         * config/rs6000/rs6000.c: Include tm-constrs.h.
9050         (num_insn_constant_wide): Convert to satisfies_constraint.
9051         (rs6000_rtx_costs): Convert to satisfies_constraint.
9052         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9053         (CONST_OK_FOR_LETTER_P): Delete.
9054         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9055         (EXTRA_CONSTRAINT): Delete.
9056         (EXTRA_MEMORY_CONSTRAINT): Delete.
9057         (EXTRA_ADDRESS_CONSTRAINT): Delete.
9058         * config/rs6000/predicates.md: Convert to satisfies_constraint.
9059         * config/rs6000/rs6000.md: Include constraints.md.  Convert to
9060         satisfies_constraint.
9061
9062         * config/i386/i386.c: Include tm-constrs.h.
9063
9064 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
9065
9066         * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9067         * tree-data-ref.c (find_data_references_in_loop,
9068         compute_data_dependences_for_loop): Use pointers to VEC.
9069         (analyze_all_data_dependences): Adjust calls.
9070         * tree-data-ref.h (find_data_references_in_loop,
9071         compute_data_dependences_for_loop): Adjust declarations.
9072         * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9073         compute_data_dependences_for_loop.
9074
9075 2006-03-29  Paul Brook  <paul@codesourcery.com>
9076
9077         * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9078         (movdf_vfp): Ditto.
9079
9080 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
9081
9082         PR tree-optimization/26859
9083         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9084         division by zero.
9085         (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9086         for the step after fold_convert.
9087
9088 2006-03-29  Paul Brook  <paul@codesourcery.com>
9089
9090         * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9091         (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9092
9093 2006-03-29  Paul Brook  <paul@codesourcery.com>
9094
9095         PR middle-end/23623
9096         * targhooks.c (default_narrow_bitfield): New fuction.
9097         * targhooks.h (default_narrow_bitfield): add prototype.
9098         * target.h (gcc_target): Add narrow_volatile_bitfield.
9099         * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9100         * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9101         * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9102         * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9103
9104 2006-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
9105
9106         * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9107         tmake_file.
9108         * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9109         (NR_C_MODES): Add TDmode, DDmode and SDmode.
9110         (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9111         (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9112         (s390_function_arg_float): Allow SDmode and DDmode values to be
9113         passed in floating point registers.
9114         (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9115         check with SCALAR_FLOAT_MODE_P.
9116         (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9117
9118 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
9119
9120         PR tree-optimization/25985
9121         * tree-ssa-loop-niter.c (number_of_iterations_le,
9122         number_of_iterations_ne): Make comments more precise.
9123         (number_of_iterations_cond): Add only_exit argument.  Use the
9124         fact that signed variables do not overflow only when only_exit
9125         is true.
9126         (loop_only_exit_p): New.
9127         (number_of_iterations_exit): Pass result of loop_only_exit_p to
9128         number_of_iterations_cond.
9129
9130 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
9131
9132         PR tree-optimization/26643
9133         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9134         bit_field_refs.
9135
9136 2006-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9137
9138         * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9139         (divsi3_i4_int): Likewise.
9140
9141 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9142
9143         * expr.c (emit_group_store): Only create a new pseudo reg if the
9144         quantity it needs to hold isn't already a suitable pseudo.
9145
9146 2006-03-28  Jeff Law  <law@redhat.com>
9147
9148         * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9149         * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9150
9151 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9152
9153         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9154         the equivalent ~X & Y, and the symmetry related transformations.
9155         (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9156         ~X & Y, and symmetry related transforms.
9157
9158 2006-03-28  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9159
9160         Revert my 2006-03-27 patches.
9161
9162 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9163
9164         * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9165         ~(T1)X, when T1 and T2 are integer types of the same precision
9166         and (T2)X isn't an extension.
9167
9168 2006-03-28  Jeff Law  <law@redhat.com>
9169
9170         PR tree-optimization/26796
9171         * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9172         need EH edge cleanups rather than purging them immediately.
9173         (eliminate_degenerate_phis): Handle queued EH cleanups.
9174
9175 2006-03-28  Daniel Berlin  <dberlin@dberlin.org>
9176
9177         * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9178         from parent_var.
9179
9180 2006-03-27  Roger Sayle  <roger@eyesopen.com>
9181
9182         PR middle-end/22524
9183         * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9184         cast BIT_NOT_EXPR operand to the correct type.
9185
9186 2006-03-27  Sebastian Pop  <pop@cri.ensmp.fr>
9187
9188         * tree-loop-linear.c: Don't include varray.h.
9189         (gather_interchange_stats, try_interchange_loops,
9190         linear_transform_loops): Use VEC instead of VARRAY.
9191         * lambda-mat.c: Don't include varray.h.
9192         * tree-chrec.c: Same.
9193         * lambda-trans.c: Same.
9194         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9195         VEC instead of VARRAY.
9196         * tree-vectorizer.h: Idem.
9197         * tree-data-ref.c (dump_data_references,
9198         dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9199         initialize_data_dependence_relation, finalize_ddr_dependent,
9200         compute_all_dependences, find_data_references_in_loop,
9201         compute_data_dependences_for_loop, analyze_all_data_dependences,
9202         free_dependence_relation, free_dependence_relations,
9203         free_data_refs): Idem.
9204         * tree-data-ref.h (data_reference_p, subscript_p): New.
9205         (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9206         VEC instead of VARRAY.
9207         (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9208         (find_data_references_in_loop, compute_data_dependences_for_loop,
9209         dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9210         dump_data_dependence_relations, free_dependence_relations,
9211         free_data_refs): Adjust declaration.
9212         (lambda_transform_legal_p): Move declaration here...
9213         * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9214         vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9215         vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9216         vect_analyze_data_refs): Use VEC instead of VARRAY.
9217         * lambda.h (lambda_transform_legal_p): ...from here.
9218         * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9219         * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9220         * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9221         tree-chrec.o): Don't depend on VARRAY_H.
9222
9223 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9224
9225         * rtl.def (Copyright): Update date.
9226         (DEPS_LIST): Change type of the second operand to 'int'.
9227         * target.h (Copyright): Update date.
9228         (struct gcc_target.speculate_insn): Change type of the second parameter
9229         to 'int'.
9230         * lists.c (Copyright): Update date.
9231         (alloc_DEPS_LIST): Change signature.  Update reference to the second
9232         operand of the DEPS_LIST.
9233         (copy_DEPS_LIST_list): Update reference to the second operand of the
9234         DEPS_LIST.
9235         * rtl.h (Copyright): Update date.
9236         (alloc_DEPS_LIST): Update signature.
9237         * sched-int.h (Copyright): Update date.
9238         (ds_t): Change typedef to 'int'.
9239         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9240
9241 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9242
9243         * haifa-sched.c (Copyright): Update date.
9244         (try_ready): Change condition to restore non-speculative pattern
9245         of the instruction.
9246         (process_insn_depend_be_in_spec): Code to keep probability of the
9247         speculative dependence non-decreasing.
9248
9249 2006-03-27  Bernd Schmidt  <bernd.schmidt@analog.com>
9250
9251         * regrename.c (replace_oldest_value_addr): Initialize a variable to
9252         shut up the compiler.
9253
9254 2006-03-27  J"orn Rennecke <joern.rennecke@st.com>
9255
9256         * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9257         to use lib prefix for target.
9258         ($(T)libic_invalidate_array_4-200.a): Likewise.
9259         ($(T)libic_invalidate_array_4a.a): Likewise.
9260
9261 2006-03-27  Andrew Stubbs <andrew.stubbs@st.com>
9262             J"orn Rennecke <joern.rennecke@st.com>
9263
9264         * superh.opt: New file.
9265         * sh.c (boardtype, osruntime): Remove.
9266         * superh.h (SUBTARGET_OPTIONS): Remove.
9267         * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9268
9269         * config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
9270         arguments with ^ and/or [].
9271
9272         * config.gcc (sh-*-*): Add quoting to account for quirk of
9273         Solaris /bin/sh.
9274         Replace == with = in enable_incomplete_targets test.
9275
9276         * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9277         with MASK_LITTLE_ENDIAN.
9278
9279         * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9280         * config/sh/sh.opt: Added to some comments.
9281         * config/sh/superh.h: Removed some chaff.
9282
9283         * config/sh/sh.opt: Add m4-[1234]00* options.
9284         * config/sh/sh.c (sh_handle_option): Likewise.
9285         * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9286         (ic_invalidate_array_4-100.o): New rule.
9287         ($(T)libic_invalidate_array_4-100.a): Likewise.
9288         (ic_invalidate_array_4-200.o): Likewise.
9289         ($(T)libic_invalidate_array_4-200.a): Likewise.
9290         (ic_invalidate_array_4a.o): Likewise.
9291         ($(T)libic_invalidate_array_4a.a): Likewise.
9292         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9293         * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9294         m4-200*, and m4a*.
9295         * config/sh/crt1.asm: Merged in profiling code.
9296         * config/sh/superh.h (STARTFILE_SPEC): Override.
9297         * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9298         Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9299         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9300
9301         * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9302         * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9303         MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9304
9305         * sh.opt (mpretend-cmove): New option.
9306         * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9307         * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9308         (movsicc): Add TARGET_PRETEND_CMOVE code.
9309
9310 2006-03-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9311
9312         * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9313         s390_class_max_nregs): New function prototypes.
9314         * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9315         (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9316         * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9317         CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9318
9319 2006-03-26  Geoffrey Keating  <geoffk@apple.com>
9320
9321         * dwarf2out.c (add_location_or_const_value_attribute): Call
9322         tree_add_const_value_attribute if nothing else works.
9323         (reference_to_unused): New.
9324         (rtl_for_decl_init): Use reference_to_unused to decide whether
9325         to output an initializer.
9326
9327 2006-03-27  Alan Modra  <amodra@bigpond.net.au>
9328
9329         PR target/26459
9330         * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9331         peephole removing spe frob_di_df_2.
9332
9333 2006-03-26  Sebastian Pop  <pop@cri.ensmp.fr>
9334
9335         * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9336         (subscript_dependence_tester_1): Declared.
9337         (print_dir_vectors, print_dist_vectors): New.
9338         (debug_data_dependence_relation): New.
9339         (dump_data_dependence_relation): Print more details.
9340         (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9341         (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9342         (save_dist_v, save_dir_v, add_outer_distances,
9343         build_classic_dist_vector_1): New.
9344         (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9345         Don't test for lambda_vector_lexico_pos.
9346         (same_access_functions, add_multivariate_self_dist,
9347         add_other_self_distances, dir_from_dist): New.
9348         (build_classic_dir_vector): Replace implementation almost identical to
9349         build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9350         dir_from_dist.
9351         (subscript_dependence_tester_1): New.
9352         (subscript_dependence_tester): Handle the lexicographically negative
9353         distance vectors by recomputing the dependence relation.
9354         (compute_affine_dependence): Remove parameter loop_nest_depth.
9355         (compute_self_dependence): Don't call compute_subscript_distance.
9356         (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9357         Add a parameter for the loop_nest.
9358         (find_loop_nest_1, find_loop_nest): New.
9359         (compute_data_dependences_for_loop): Compute the loop nest, and give
9360         up if the nest is not well formed.
9361         * tree-data-ref.h (loop_p): New.
9362         (struct data_dependence_relation): Replace size_vect field with
9363         loop_nest, a vec of loops.
9364         (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9365         (DDR_LOOP_NEST): New.
9366         (print_dir_vectors, print_dist_vectors,
9367         debug_data_dependence_relation): Declared.
9368         (index_in_loop_nest): New.
9369         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9370         DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9371         distance.
9372
9373 2006-03-25  Adam Nemet  <anemet@caviumnetworks.com>
9374
9375         * simplify-rtx.c (simplify_relational_operation): Call
9376         simplify_relational_operation_1 even if mode is VOIDmode.
9377
9378 2006-03-25  Daniel Berlin  <dberlin@dberlin.org>
9379
9380         PR tree-optimization/26804
9381         * tree.h (DECL_CALL_CLOBBERED): New macro.
9382         (tree_decl_common): Add call_clobbered_flag.
9383         * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9384         (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9385         (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9386         (mark_non_addressable): Ditto.
9387         * tree-ssa.c (verify_call_clobbered): New function.
9388         (verify_alias_info): Use it.
9389         * tree-pass.h (pass_reset_cc_flags): New prototype.
9390         * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9391         (reset_cc_flags): New function.
9392         * passes.c (init_optimization_passes): Call reset_cc_flags after
9393         initializing referenced_vars.
9394
9395 2006-03-25  Uros Bizjak  <uros@kss-loka.si>
9396             Roger Sayle  <roger@eyesopen.com>
9397
9398         PR middle-end/26717
9399         * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9400         to 1.0 for non-real operands. Implement A / A optimization for
9401         complex operands.
9402
9403 2006-03-25  H.J. Lu  <hongjiu.lu@intel.com>
9404
9405         * config/i386/i386.c (size_cost): Correct the comment for
9406         cost of storing fp registers.
9407         (i386_cost): Likewise.
9408         (i486_cost): Likewise.
9409         (pentium_cost): Likewise.
9410         (pentiumpro_cost): Likewise.
9411         (k6_cost): Likewise.
9412         (athlon_cost): Likewise.
9413         (k8_cost): Likewise.
9414         (pentium4_cost): Likewise.
9415         (nocona_cost): Likewise.
9416         (generic64_cost): Likewise.
9417         (generic32_cost): Likewise.
9418
9419 2006-03-24  Denis Chertykov  <denisc@overta.ru>
9420
9421         * config/avr/avr-protos.h (extra_constraint): Delete.
9422         (extra_constraint_Q): New declaration.
9423         * config/avr/constraints.md: New file.
9424         * config/avr/avr.md: Include it.
9425         (REG_X, REG_Y, REG_Z, REG_W): New constants.
9426         (TMP_REGNO, ZERO_REGNO): Likewise.
9427         (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9428         * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9429         (extra_constraint): Delete.
9430         (extra_constraint_Q): Test for memory constraint 'Q'.
9431         * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9432         (REG_CLASS_FROM_LETTER): Delete.
9433         (CONST_OK_FOR_LETTER_P): Delete.
9434         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9435         (EXTRA_CONSTRAINT): Delete.
9436         (TMP_REGNO): Delete.
9437         (ZERO_REGNO): Delete.
9438
9439 2006-03-24  Jeff Law  <law@redhat.com>
9440
9441         * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9442         directly.  Call mark_new_vars_to_rename slightly earlier.
9443
9444 2006-03-24  Geoffrey Keating  <geoffk@apple.com>
9445
9446         * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9447         (is_cxx): Likewise.
9448         (gen_compile_unit_die): Use new language types for Objective-C and
9449         Objective-C++.
9450         (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9451         DW_LANG_C_plus_plus.
9452
9453         PR 26793
9454         * config/t-darwin (crt3.o): Work around bug 26840.
9455         * config/darwin-crt3.c: Rewrite.
9456         * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9457
9458 2006-03-24  Carlos O'Donell  <carlos@codesourcery.com>
9459
9460         * doc/invoke.texi: Document -femit-class-debug-always
9461         * common.opt: Add -femit-class-debug-always.
9462
9463 2006-03-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9464
9465         * config/s390/s390.c (s390_decompose_address): Allow SImode for
9466         index and base register.
9467         (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9468         print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9469         with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9470         REGNO_OK_FOR_INDEX_P.
9471         * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9472         ADDR_REGNO_P.
9473         (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9474         REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9475         REG_OK_FOR_BASE_P): Definitions removed.
9476
9477 2006-03-24  Jakub Jelinek  <jakub@redhat.com>
9478
9479         PR middle-end/26611
9480         * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9481         non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9482         set yet or weren't marked as local yet.
9483
9484 2006-03-24  Bernd Schmidt  <bernd.schmidt@analog.com>
9485
9486         * regrename.c (scan_rtx_address): Initialize a variable to shut up
9487         the compiler.
9488
9489 2006-03-24  Eric Botcazou  <ebotcazou@adacore.com>
9490
9491         * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9492         (rs6000_legitimate_small_data_p): Delete.
9493         * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9494         (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9495         and make static.  Add forward declaration.  Update uses.
9496         (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9497         of offsettable_memref_p.
9498         * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9499         Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9500
9501 2006-03-24  Jeff Law  <law@redhat.com>
9502
9503         * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9504         around bug in immediate-use iterator.
9505
9506 2006-03-24  Alan Modra  <amodra@bigpond.net.au>
9507
9508         PR target/26607
9509         * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9510         or __LITTLE_ENDIAN__.
9511
9512 2006-03-23  J"orn Rennecke <joern.rennecke@st.com>
9513
9514         * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9515         * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9516         * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9517         * config/sh/sh.opt (mdiv=): Amend description.
9518         * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9519         (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9520         (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9521         SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9522         (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9523         Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9524         * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9525         (udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
9526         TARGET_DIVIDE_CALL_FP.
9527
9528 2006-03-23  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9529
9530         * haifa-sched.c (choose_ready): Fix type of the local variable.
9531         Move local variables.  Add comment.
9532         (check_reg_live): Change signature.  Make callable from debugger.
9533         * sched-int.h (check_reg_live): Update signature.
9534         * sched-ebb.c (check_reg_live): Update parameters.
9535         * sched-rgn.c (check_reg_live): Ditto.
9536         (region_head_or_leaf_p): Check pointer before dereferencing.
9537         * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9538         before reload on optimization levels below 1.
9539
9540 2006-03-23  Richard Henderson  <rth@redhat.com>
9541
9542         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9543         tls symbols.
9544
9545         PR target/26347
9546         * config/alpha/predicates.md (local_symbolic_operand): Reject
9547         weak symbols.
9548
9549 2006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
9550
9551         PR tree-opt/26795
9552         * tree-ssa-pre.c (create_value_expr_from): Don't reject
9553         expressions which have overflowed constants.
9554
9555 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
9556
9557         * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9558
9559 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
9560
9561         * cfgloopmanip.c (create_loop_notes): Removed.
9562         * final.c (final_scan_insn): Do not handle loop notes.
9563         * jump.c (squeeze_notes): Ditto.
9564         * cfglayout.c (skip_insns_after_block,
9565         duplicate_insn_chain): Ditto.
9566         * cfgcleanup.c (rest_of_handle_jump2): Do not call
9567         create_loop_notes.
9568         * cfgloop.h (create_loop_notes): Declaration removed.
9569
9570 2006-03-23  Richard Sandiford  <richard@codesourcery.com>
9571
9572         * varasm.c (output_constant_pool): Restore fnname and fndecl
9573         arguments.
9574         (assemble_start_function): Adjust call accordingly.
9575         (assemble_end_function): Likewise.
9576
9577 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9578
9579         PR mudflap/26789
9580         * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9581
9582         PR mudflap/26790
9583         * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9584
9585 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9586
9587         PR driver/22600
9588         * system.h (ICE_EXIT_CODE): New macro.
9589         * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9590         (diagnostic_action_after_output): Likewise.
9591         * gcc.c (fatal_ice): New function.
9592         (execute): Use it instead of fatal.
9593         (fancy_abort): Likewise.
9594         * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9595
9596 2006-03-22  Jeff Law  <law@redhat.com>
9597
9598         * loop-unroll.c (analyze_iv_to_split_insn): Handle
9599         iv_analyze_result returning false.
9600
9601 2006-03-22  Jie Zhang  <jie.zhang@analog.com>
9602
9603         * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9604
9605 2006-03-22  Richard Henderson  <rth@redhat.com>
9606
9607         PR middle-end/26084
9608         * except.c (duplicate_eh_regions_0): New.
9609         (duplicate_eh_region_1): Duplicate the children of the node as
9610         well as the node itself.  Link them up properly.
9611         (duplicate_eh_region_2): Merge into ...
9612         (duplicate_eh_regions): ... here.  Take copy_region argument, and
9613         copy only a sub-tree if asked.  Simplify copying and fixup.
9614         (eh_region_outer_p): New.
9615         * except.h (duplicate_eh_regions): Update decl.
9616         (eh_region_outer_p): Declare.
9617         * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9618         (lower_omp_master): Likewise.
9619         (lower_omp_ordered): Likewise.
9620         * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9621         (move_stmt_r): Use it to remap labels.  Handle recursion vs
9622         remap_decls_p properly.
9623         (move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
9624         (find_outermost_region_in_block): New.
9625         (new_label_mapper): New.
9626         (move_sese_region_to_fn): Copy eh information to the new function
9627         properly.
9628         * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9629         argument.
9630         * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9631         number.
9632
9633 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
9634
9635         * doc/md.texi (-mshared): Mention that -mshared code can be linked
9636         into shared libraries.
9637
9638 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
9639
9640         * doc/md.texi: Refer to i386/constraints.md instead of
9641         i386/predicates.md.
9642         * config/i386/constraints.md: New file, extracted from...
9643         * config/i386/predicates.md: ...here.
9644         * config/i386/i386.md: Include constraints.md.
9645
9646 2006-03-21  Jason Merrill  <jason@redhat.com>
9647
9648         * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9649
9650         PR middle-end/20297
9651         * expr.c (init_block_move_fn): Force default visibility.
9652         (init_block_clear_fn): Likewise.
9653         * builtins.c (expand_builtin_fork_or_exec): Likewise.
9654         * targhooks.c (default_external_stack_protect_fail): Likewise.
9655
9656 2006-03-21  Richard Sandiford  <richard@codesourcery.com>
9657
9658         * config/mips/predicates.md (const_call_insn_operand): Allow direct
9659         calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9660         * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9661         Use TARGET_OLDABI instead of !TARGET_NEWABI.
9662         (loadgp): Use mips_current_loadgp_style.
9663         (loadgp_noshared): New pattern.
9664         (sibcall_internal): Use MIPS_CALL.
9665         (sibcall_value_internal): Likewise.
9666         (sibcall_value_multiple_internal): Likewise.
9667         (call_internal): Likewise.
9668         (call_value_internal): Likewise.
9669         (call_value_multiple_internal): Likewise.
9670         (call_split): Use MIPS_CALL and add an 'S' constraint.
9671         (call_value_split): Likewise.
9672         (call_value_multiple_split): Likewise.
9673         * config/mips/mips.opt (-mabicalls): Tweak docstring.
9674         (-mshared): New option.
9675         * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9676         (mips_current_loadgp_style): Declare.
9677         * config/mips/mips.c (mips_classify_symbol): Avoid using
9678         SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
9679         rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9680         TARGET_ABSOLUTE_ABICALLS.
9681         (override_options): Adjust comments.  Improve the warning that is
9682         issued when -mabicalls and -G are used together.
9683         (mips_file_start): Remove comment.
9684         (mips_current_loadgp_style): New function.
9685         (mips_gnu_local_gp): New variable.
9686         (mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
9687         LOADGP_ABSOLUTE.
9688         (mips_output_function_prologue): Use mips_current_laodgp_style.
9689         (mips_expand_prologue): Call mips_emit_loadgp before emitting
9690         the cprestore instruction.
9691         (mips_extra_live_on_entry): Fix reversed test.  Don't make $25
9692         live for TARGET_ABSOLUTE_ABICALLS.
9693         * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9694         (ASM_SPEC): Pass down -mshared and -mno-shared.
9695         (MIPS_CALL): New macro.
9696         * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9697         definition.
9698         * doc/invoke.texi (-mabicalls): Update documentation.
9699         (-mshared): Document.
9700
9701 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
9702
9703         * config/ia64/unwind-hpux.c: New file.
9704         * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9705
9706 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
9707
9708         PR libgomp/26384
9709         * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9710
9711 2006-03-21  Jeff Law  <law@redhat.com>
9712
9713         * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9714         type conversions of a VR_VARYING source to a wider type.
9715
9716 2006-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9717
9718         * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9719         tm_file on Solaris 10 and later.
9720         (sparc64-*-solaris2*): Likewise.
9721         (sparc-*-solaris2*): Likewise.
9722         * config/sol26.h: Rename to config/sol2-6.h.
9723         * config/sol2-10.h: New file.
9724
9725 2006-03-21  Andrew Pinski  <pinskia@physics.uc.edu>
9726
9727         PR tree-opt/26781
9728         * tree-ssa-pre.c (create_component_ref_by_pieces):
9729         Handle STRING_CST.
9730
9731 2006-03-21  Jakub Jelinek  <jakub@redhat.com>
9732
9733         PR c++/26690
9734         * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9735         return it immediately.
9736
9737 2006-03-21  Michael Matz  <matz@suse.de>
9738
9739         * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9740         New members.
9741         (remove_arc, add_arc): Update num_out_arcs member.
9742         (set_out_arc_insns_equiv_num): Returns nothing instead of number
9743         of out arcs.
9744         (cache_presence): New function.
9745         (compare_states_for_equiv): New function.
9746         (state_is_differed): Don't take number of outargs, adjust callers.
9747         Use new invariant for speeding up.
9748         (init_equiv_class): Create initial classes based on sorted
9749         input.
9750         (partition_equiv_class): Don't track out_arcs_num.
9751         (evaluate_equiv_classes): Call cache_presence on all states and
9752         sort them.
9753
9754 2006-03-21  Bernd Schmidt  <bernd.schmidt@analog.com>
9755
9756         * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9757         * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9758         (bfin_valid_reg_p): Test for pseudos explicitly and use only
9759         REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
9760         callers changed.
9761         * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9762         (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9763         (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9764         (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9765         REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9766         macros.
9767         (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9768         REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9769         (REGNO_REG_CLASS): ARGP is in PREGS.
9770         * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9771         IREGS.
9772         (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9773         to deal with those addresses.
9774         * addresses.h: New file.
9775         * caller-save.c: Include "addresses.h".
9776         (init_caller_save): Use new base_reg_class function.
9777         * rtl-factoring.c: Include "addresses.h".
9778         (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9779         * recog.c: Include "addresses.h".
9780         (preprocess_constraints): Use new base_reg_class function.
9781         * regrename.c: Include "addresses.h".
9782         (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9783         functions.  Keep track of a new var INDEX_CODE to compute valid
9784         classes.
9785         (replace_oldest_value_addr): Likewise.
9786         (replace_oldest_value_mem): Use base_reg_class.
9787         * reload.c: Include "addresses.h".
9788         (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9789         (find_reloads): Use new base_reg_class function.
9790         (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9791         (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9792         all callers and prototype changed.
9793         * reload1.c: Include "addresses.h".
9794         (maybe_fix_stack_asms): Use base_reg_class.
9795         * regclass.c: Include "addresses.h".
9796         (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9797         (init_reg_autoinc): Use new base_reg_class function.
9798         (record_reg_classes): Likewise.
9799         (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9800         OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
9801         Use new args to compute necessary class.
9802
9803         * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9804         regrename.o, rtl-factoring.o): Update dependencies.
9805         * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9806         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9807         (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9808         REG_OK_FOR_INDEX_P): Delete documentation.
9809
9810 2006-03-21  Alexey Starovoytov  <alexey.starovoytov@sun.com>
9811
9812         * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9813         from V7 to V9 for Solaris 7 and above.
9814
9815 2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>
9816
9817         * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9818         * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9819         argument pointers may not alias any other storage.
9820         * common.opt: Define option -fargument-noalias-anything.
9821         * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9822         alias semantics is specified by flag_argument_noalias > 2.
9823
9824 2006-03-20  Jeff Law  <law@redhat.com>
9825
9826         * tree-pass.h (pass_phi_only_copy_prop): Delete.
9827         (pass_phi_only_cprop): Declare.
9828         * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9829         with phi_only_cprop
9830         * tree-ssa-dom.c (degenerate_phi_result): New function.
9831         (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9832         (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9833         (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9834         (eliminate_degenerate_phis): Likewise.
9835         (pass_phi_only_cprop): New pass descriptor.
9836         * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9837         support code.  Callers updated.
9838         (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9839         (store_copy_prop): Likewise.
9840         (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9841
9842 2006-03-20  Jason Merrill  <jason@redhat.com>
9843
9844         PR c++/21764
9845         * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9846         (push_visibility, pop_visibility): Likewise.
9847         * c-pragma.h: Declare them.
9848
9849 2006-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9850
9851         * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9852
9853         * config/sh/sh.c (find_regmode_weight): Change the type of the first
9854         parameter and use get_ebb_head_tail.
9855         (sh_md_init_global): Adjust uses of find_regmode_weight.
9856
9857 2006-03-20  Steven Bosscher  <stevenb.gcc@gmail.com>
9858
9859         * function.h (struct function) <x_tail_recursion_reentry>:
9860         Rename to x_stack_check_probe_note.
9861         (tail_recursion_reentry): Rename to stack_check_probe_note.
9862         * function.c: Replace tail_recursion_reentry with
9863         stack_check_probe_note everywhere.
9864         (expand_function_start): Only emit a note for
9865         stack_check_probe_note with -fstack-protect.
9866         * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9867
9868         * emit-rtl.c (remove_unnecessary_notes): Remove.
9869         (pass_remove_unnecessary_notes): Remove.
9870         * rtl.h (remove_unnecessary_notes): Remove prototype.
9871         * final.c (final_start_function): Don't call remove_unnecessary_notes.
9872         * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9873         * passes.c (pass_remove_unnecessary_notes): Don't run it.
9874
9875 2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>
9876
9877         PR tree-opt/26629
9878         * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9879         (valid_in_set): Handle ARRAY_REF.
9880         Change "if min_variant or VH" to asserts.
9881         (create_component_ref_by_pieces): Handle ARRAY_REF.
9882         (create_expression_by_pieces): Likewise.
9883         (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9884
9885 2006-03-20  David Edelsohn  <edelsohn@gnu.org>
9886
9887         * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9888         is operand of switch, not str[0].
9889
9890 2006-03-20  Alan Modra  <amodra@bigpond.net.au>
9891
9892         * config/rs6000/rs6000.c (rs6000_handle_option): Use
9893         TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9894
9895 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
9896
9897         * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9898         end of insn_extra_address_constraint declaration.
9899
9900 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
9901
9902         * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9903         (no-sum-in-toc): Same.
9904         * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9905         variables.
9906         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9907         NO_FP_IN_TOC for -fPIC instead of mask.
9908
9909         * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9910         (BOOT_LDFLAGS): Delete.
9911         (LDFLAGS): Delete.
9912         * config/rs6000/t-aix52: Same.
9913
9914         * config/rs6000/rs6000.md (store_multiple_power): Delete.
9915         (stmsi[345678]_power): New.
9916
9917 2006-03-17  Steve Ellcey  <sje@cup.hp.com>
9918
9919         * config/ia64/ia64.opt: Add empty line to end of file.
9920
9921 2006-03-17  Richard Guenther  <rguenther@suse.de>
9922
9923         PR middle-end/26721
9924         * builtins.c (get_pointer_alignment): For component style references
9925         adjust alignment to the component type alignment.  Make sure
9926         to adjust alignment for component access of constants.
9927
9928 2006-03-17  David Edelsohn  <edelsohn@gnu.org>
9929
9930         * config/rs6000/rs6000.md (strlensi): Emit barrier after
9931         unconditional jump.
9932
9933 2006-03-17  Paul Brook  <paul@codesourcery.com>
9934
9935         * doc/install.texi: Docuemnt --with-mode.
9936         * config.gcc: Add --with-mode for arm*-*-*.
9937         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9938
9939 2006-03-17  J"orn Rennecke <joern.rennecke@st.com>
9940
9941         * sh.c (max_labelno_before_reorg): New variable.
9942         (sh_reorg): Initialize it.
9943         (find_barrier): Check max_labelno_before_reorg before using
9944         label_to_alignment.  Take length of explicit alignment insns
9945         into account.  When seeing a UNSPECV_CONST_END, return it.
9946
9947         * sh.c (fixup_mova): Set mode of affected label to QImode.
9948         (untangle_mova): New function.
9949         (find_barrier): Use it.  Check mode of label before decrementing
9950         num_mova.
9951         (sh_reorg): Likewise.
9952         Set mode of all insns back to VOIDmode.
9953
9954         * sh.c (MOVA_LABELREF): New macro.
9955         (mova_p, fixup_mova, sh_reorg): Use it.
9956         (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9957         ADDR_DIFF_VEC matches mova.
9958
9959 2006-03-17  Steven Bosscher  <stevenb.gcc@gmail.com>
9960
9961         * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9962         with ATTRIBUTE_UNUSED.
9963
9964 2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
9965
9966         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9967         pointer, instead of assuming it is possible to derive the
9968         correct args size from a call insn.
9969
9970 2006-03-16  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9971
9972         * rtl.h (CONST_INT_P): Define.
9973         * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9974         instead of GET_CODE(x) == CONST_INT.
9975         (vax_rtx_costs): Likewise.
9976         (vax_output_int_move): Likewise.
9977         (vax_output_int_add): Likewise.
9978         (legitimate_constant_address_p): Likewise.
9979         (index_term_p): Likewise.
9980         * config/vax/vax.h (PRINT_OPERAND): Likewise.
9981         * config/vax/vax.md (and<mode>3): Likewise.
9982         (ashrsi3): Likewise.
9983         (extv): Likewise.
9984         (movstricthi): Likewise.
9985         (movstrictqi): Likewise.
9986         (rotrsi3): Likewise.
9987         (five unnamed insns): Likewise.
9988
9989 2006-03-16  Geoffrey Keating  <geoffk@apple.com>
9990
9991         * doc/tm.texi (SDB and DWARF): Add extra parameter to
9992         ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
9993         * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9994         * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9995         Pass to ASM_OUTPUT_DWARF_OFFSET.
9996         * dwarf2out.c (debug_frame_section): New.
9997         (output_call_frame_info): Use debug_frame_section.  Pass it to
9998         dw2_asm_output_offset.
9999         (output_die): Pass appropriate section to dw2_asm_output_offset.
10000         (output_compilation_unit_header): Likewise.
10001         (output_pubnames): Likewise.
10002         (output_aranges): Likewise.
10003         (enum dw_val_class): Break dw_val_class_lbl_offset into
10004         dw_val_class_lineptr and dw_val_class_macptr.
10005         (add_AT_lbl_offset): Delete.
10006         (add_AT_lineptr): New.
10007         (add_AT_macptr): New.
10008         (AT_lbl): Expect a lineptr or macptr.
10009         (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10010         (attr_checksum): Likewise.
10011         (same_dw_val_p): Likewise.
10012         (size_of_die): Likewise.
10013         (value_format): Likewise.
10014         (output_die): Likewise.
10015         (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10016         add_AT_lbl_offset.
10017         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10018         * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10019         * config/darwin-protos.h (darwin_file_start): New.
10020         (darwin_asm_output_dwarf_offset): New.
10021         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10022         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10023         darwin_file_start.
10024         * config/darwin.c (darwin_emit_unwind_label): Don't output label
10025         if not EH section; simplify.
10026         (darwin_file_start): New.
10027         (darwin_asm_output_dwarf_offset): New.
10028         * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10029         mark as 'debug'.
10030         (DEBUG_INFO_SECTION): Likewise.
10031         (DEBUG_ABBREV_SECTION): Likewise.
10032         (DEBUG_ARANGES_SECTION): Likewise.
10033         (DEBUG_MACINFO_SECTION): Likewise.
10034         (DEBUG_LINE_SECTION): Likewise.
10035         (DEBUG_LOC_SECTION): Likewise.
10036         (DEBUG_PUBNAMES_SECTION): Likewise.
10037         (DEBUG_STR_SECTION): Likewise.
10038         (DEBUG_RANGES_SECTION): Likewise.
10039         (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10040         (ASM_OUTPUT_DWARF_OFFSET): New.
10041
10042 2006-03-16  Joseph S. Myers  <joseph@codesourcery.com>
10043
10044         * config.gcc (tm_defines): Always add to previous value rather
10045         than replacing it.
10046
10047 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
10048
10049         * config/mips/predicates.md (splittable_const_int_operand): New,
10050         split from move_operand.
10051         (splittable_symbolic_operand): New.
10052         (move_operand): Add commentary.  Use splittable_const_int_operand.
10053         Inline mips_atomic_symbolic_constant_p.
10054         * config/mips/mips.md: Add combine splitters for handling moves
10055         of splittable_const_int_operands and splittable_symbolic_operands.
10056         * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10057         (mips_split_symbol): Declare.
10058         (mips_move_integer): Declare.
10059         * config/mips/mips.c (mips_split_p): Make global.
10060         (TARGET_MIN_ANCHOR_OFFSET): Override default.
10061         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10062         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10063         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10064         (mips_offset_within_object_p): Handle block symbols.
10065         (mips_atomic_symbolic_constant_p): Delete.
10066         (mips_cannot_force_const_mem): Return false for constants that
10067         mips_legitimize_move can handle.
10068         (mips_use_blocks_for_constant_p): New function.
10069         (mips_split_symbol): Make global.
10070         (mips_move_integer): Likewise.  Add a temporary register argument.
10071         (mips_legitimize_const_move): Use splittable_const_int_operand and
10072         splittable_symbolic_operand.
10073         (mips_use_anchors_for_symbol_p): New function.
10074         * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10075         (mips_split_p): Declare.
10076
10077 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
10078
10079         * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10080         (mips*-*-linux*): Likewise.
10081
10082 2006-03-16  Roger Sayle  <roger@eyesopen.com>
10083             Daniel Speyer  <dspeyer@wam.umd.edu>
10084
10085         PR middle-end/18259
10086         * tree-dump.c (dump_real): New function.
10087         (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10088         * Makefile.in (REAL_H): New macro for dependencies on real.h.
10089         (tree-dump.o): Add $(REAL_H) to the dependencies.
10090
10091 2006-03-16  Roger Sayle  <roger@eyesopen.com>
10092
10093         PR middle-end/21781
10094         * real.c (real_from_string): If the mantissa is zero, don't bother
10095         parsing the exponent as the result should always be zero.
10096
10097 2006-03-16  Andreas Krebbel  <krebbel1@de.ibm.com>
10098
10099         * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10100
10101 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10102
10103         * config/ia64/ia64.c (stops_p): Added explicit initialization.
10104         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10105         ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10106         ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10107         ia64_sched_finish_global): New static functions to implement
10108         hooks from gcc_target.sched.
10109         (spec_check_no, max_uid, pending_data_specs): New static variables.
10110         (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10111         ia64_spec_check_src_p): New static functions.
10112         (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10113         (TARGET_SCHED_ADJUST_COST): Removed.
10114         (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10115         TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10116         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10117         TARGET_SCHED_GEN_CHECK,
10118         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10119         TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10120         (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10121         Fixed to handle speculation checks.
10122         (rtx_needs_barrier): Fixed to handle speculative loads and
10123         their checks.
10124         (ia64_variable_issue): Added code to count speculative loads and their
10125         checks.
10126         (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10127         speculative loads.
10128         (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10129         New enumerations.
10130         (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10131         New constants.
10132         (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10133         (ia64_reorg): Reset stops_p to NULL after it is freed.
10134         * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10135         UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10136         (itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
10137         chk_a.
10138         (data_speculative, control_speculative, check_load): New attributes.
10139         (mov<mode>_advanced, mov<mode>_speculative,
10140         mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10141         zero_extend<mode>di2_speculative,
10142         zero_extend<mode>di2_speculative_advanced): New patterns for
10143         data and control speculative loads.
10144         (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10145         check loads.
10146         (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10147         New pattern for data and control speculation checks.
10148         (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10149         ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10150         reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10151         Auxiliary definitions for the patterns.
10152         * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10153         1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10154         constraints.
10155         (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10156         for speculation.
10157         (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10158         * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10159         2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10160         New resource constraints.
10161         (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10162         for speculation.
10163         (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10164         * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10165         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10166         msched-in-control-spec, msched-ldc, msched-control-ldc,
10167         msched-spec-verbose, msched-prefer-non-data-spec-insns,
10168         msched-prefer-non-control-spec-insns,
10169         msched-count-spec-in-critical-path): New flags to tune speculative
10170         scheduling.
10171         * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10172         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10173         msched-in-control-spec, msched-ldc, msched-control-ldc,
10174         msched-spec-verbose, msched-prefer-non-data-spec-insns,
10175         msched-prefer-non-control-spec-insns,
10176         msched-count-spec-in-critical-path): Document new flags.
10177
10178 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10179
10180         * target.h (struct spec_info_def): New opaque declaration.
10181         (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10182         speculate_insn, needs_block_p, gen_check,
10183         first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10184         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10185         TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10186         TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10187         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10188         TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10189         gcc_target.sched.
10190         (TARGET_SCHED): Use new macros.
10191         * rtl.h (copy_DEPS_LIST_list): New prototype.
10192         * sched-int.h (struct sched_info): Change signature of new_ready field,
10193         adjust all initializations. New fields: add_remove_insn,
10194         begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10195         region_head_or_leaf_p.
10196         (struct spec_info_def): New structure declaration.
10197         (spec_info_t): New typedef.
10198         (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10199         recovery_block, orig_pat.
10200         (glat_start, glat_end): New variables declaraions.
10201         (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10202         New access macros.
10203         (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10204         DETACH_LIFE_INFO, USE_GLAT.
10205         (enum SPEC_SCHED_FLAGS): New enumeration.
10206         (NOTE_NOTE_BB_P): New macro.
10207         (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10208         attach_life_info, debug_spec_status, check_reg_live): New functions.
10209         (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10210         all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10211         sched-ebb.c
10212         (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10213         * ddg.c (get_block_head_tail): Adjust all uses.
10214         * modulo-sched.c (get_block_head_tail): Adjust all uses.
10215         (sms_sched_info): Initialize new fields.
10216         (contributes_to_priority): Removed.
10217         * haifa-sched.c (params.h): New include.
10218         (get_block_head_tail): Adjust all uses.
10219         (ISSUE_POINTS): New macro.
10220         (glat_start, glat_end): New global variables.
10221         (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10222         nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10223         old_last_basic_block, before_recovery, current_sched_info_var,
10224         rgn_n_insns, luid): New static variables.
10225         (insn_cost1): New function.  Move logic from insn_cost to here.
10226         (find_insn_reg_weight1): New function.  Move logic from
10227         find_insn_reg_weight to here.
10228         (reemit_notes, move_insn, max_issue): Change signature.
10229         (move_insn1): Removed.
10230         (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10231         extend_bb): New static functions to support extension of scheduler's
10232         data structures.
10233         (generate_recovery_code, process_insn_depend_be_in_spec,
10234         begin_speculative_block, add_to_speculative_block,
10235         init_before_recovery, create_recovery_block, create_check_block_twin,
10236         fix_recovery_deps): New static functions to support
10237         generation of recovery code.
10238         (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10239         restore_bb_notes, move_block_after_check, move_succs): New static
10240         functions to support ebb scheduling.
10241         (init_glat, init_glat1, attach_life_info1, free_glat): New static
10242         functions to support handling of register live information.
10243         (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10244         sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10245         add_jump_dependencies): New static functions.
10246         (check_cfg, has_edge_p, check_sched_flags): New static functions for
10247         consistancy checking.
10248         (debug_spec_status): New function to call from debugger.
10249         (priority): Added code to handle speculation checks.
10250         (rank_for_schedule): Added code to distinguish speculative instructions.
10251         (schedule_insn): Added code to handle speculation checks.
10252         (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10253         Fixed to handle ebbs.
10254         (move_insn): Added code to handle ebb scheduling.
10255         (max_issue): Added code to use ISSUE_POINTS of instructions.
10256         (choose_ready): Added code to choose between speculative and
10257         non-speculative instructions.
10258         (schedule_block): Added code to handle ebb scheduling and scheduling of
10259         speculative instructions.
10260         (sched_init): Initialize new variables.
10261         (sched_finish): Free new variables.  Print statistics.
10262         (try_ready): Added code to handle speculative instructions.
10263         * lists.c (copy_DEPS_LIST_list): New function.
10264         * sched-deps.c (extend_dependency_caches): New function.  Move logic
10265         from create_dependency_caches to here.
10266         (get_dep_weak, ds_merge): Make global.
10267         * genattr.c (main): Code to output prototype for
10268         dfa_clear_single_insn_cache.
10269         * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10270         (output_dfa_clean_insn_cache_func): Code to output
10271         dfa_clear_single_insn_cache function.
10272         * sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
10273         n_insns.
10274         (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10275         Removed.
10276         (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10277         New static variables.
10278         (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10279         fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10280         struct sched_info.
10281         (ebb_sched_info): Initialize new fields.
10282         (get_block_head_tail): Adjust all uses.
10283         (compute_jump_reg_dependencies): Fixed to use glat_start.
10284         (schedule_ebb): Code to remove unreachable last block.
10285         (schedule_ebbs): Added code to update register live information.
10286         * sched-rgn.c (region_sched_info): Initialize new fields.
10287         (get_block_head_tail): Adjust all uses.
10288         (last_was_jump): Removed.  Adjust users.
10289         (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10290         add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10291         Implement new hooks.
10292         (check_dead_notes1): New static function.
10293         (struct region): New fields: dont_calc_deps, has_real_ebb.
10294         (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10295         (BB_TO_BLOCK): Fixed to handle EBBs.
10296         (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10297         (ebb_head): New static variable.
10298         (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10299         (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10300         new fields.
10301         (compute_dom_prob_ps): New assertion.
10302         (check_live_1, update_live_1): Fixed to work with glat_start instead of
10303         global_live_at_start.
10304         (init_ready_list): New assertions.
10305         (can_schedule_ready_p): Split update code to begin_schedule_ready.
10306         (new_ready): Add support for BEGIN_CONTROL speculation.
10307         (schedule_insns): Fixed code that updates register live information
10308         to handle EBBs.
10309         (schedule_region): Fixed to handle EBBs.
10310         (init_regions): Use extend_regions and check_dead_notes1.
10311         * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10312         PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10313         * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10314         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10315         TARGET_SCHED_GEN_CHECK,
10316         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10317         TARGET_SCHED_SET_SCHED_FLAGS): Document.
10318         * doc/invoke.texi (max-sched-insn-conflict-delay,
10319         sched-spec-prob-cutoff): Document.
10320
10321 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10322
10323         * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10324         inter_tick, queue_index.
10325         (struct sched_info): Change signature of init_ready_list field.
10326         Adjust all initializations.
10327         (RESOLVED_DEPS): New access macro.
10328         (ready_add): Remove prototype.
10329         (try_ready): Add prototype.
10330         * sched-rgn.c (init_ready_list): Use try_ready.
10331         (schedule_region): Initialize
10332         current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10333         * sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
10334         (init_ready_list): Use try_ready.
10335         (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10336         * lists.c (remove_list_elem): Remove `static'.
10337         (remove_free_INSN_LIST_elem): New function.
10338         * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10339         * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10340         (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10341         New constants.
10342         (readyp): New variable.
10343         (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10344         change_queue_index, resolve_dep): New static functions.
10345         (try_ready): New function.  Adjust callers in sched-rgn.c and
10346         sched-ebb.c to use it instead of ready_add.
10347         (clock_var): Move at the begining of file.
10348         (rank_for_schedule): Fix typo.
10349         (queue_insn): Add assertion.  Handle QUEUE_INDEX.
10350         (ready_lastpos): Enforce assertion.
10351         (ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
10352         update all callers.
10353         (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10354         (schedule_insn): Rewrite to use try_ready and resolve_dep.
10355         (queue_to_ready): Use free_INSN_LIST_list.
10356         (early_queue_to_ready): Fix typo.
10357         (schedule_block): Init readyp.  Move init_ready_list call after the
10358         initialization of clock_var.  Fix error in rejecting insn by
10359         targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
10360         that previously corrected INSN_TICKs.  Add code for handling
10361         QUEUE_INDEX.
10362         (set_priorities): Fix typo.
10363         (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10364         Clarify comment and code that keeps current_sched_info->next_tail
10365         non-null.
10366
10367 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10368
10369         * sched-rgn.c (extend_rgns): New static function.
10370         (find_rgns): Use it.
10371         (gather_region_statistics, print_region_statistics): New static
10372         functions.
10373         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10374         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10375
10376 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10377             Andrey Belevantsev <abel@ispras.ru>
10378
10379         * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10380         * lists.c (unused_deps_list): New variable.
10381         (free_list): Add assertions to verify the proper distinguishing
10382         between INSN_LISTs and DEPS_LISTs.
10383         (find_list_elem, remove_list_elem, remove_list_node): New static
10384         functions.
10385         (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10386         remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10387         remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10388         (alloc_INSN_LIST): Assert that the list we're working on is indeed
10389         an INSN_LIST.
10390         (free_INSN_LIST_node): Likewise.
10391         * modulo-sched.c (current_sched_info): Initialize flags field.
10392         * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10393         * rtl.def (DEPS_LIST): Define.
10394         * rtl.h: Declare new functions from lists.c.
10395         * sched-deps.c (spec_dependency_cache): New static variable.
10396         (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10397         (add_dependence): Change return type to void.  Move the logic to ...
10398         (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
10399         (delete_all_dependences): Add comment about forward_dependency_cache.
10400         Handle spec_dependency_cache.  Handle DEPS_LISTs.
10401         (fixup_sched_groups): Clarify the change of priority of output
10402         and anti dependencies.
10403         (sched_analyze_2): Adjust add_dependence calls to create data
10404         speculative dependence.
10405         (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10406         Adjust all callers.  Handle DEPS_LISTS.
10407         (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
10408         presence of speculation.
10409         (init_dependency_caches, free_dependency_caches):
10410         Handle spec_dependency_cache.
10411         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10412         estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10413         New static functions.
10414         (add_or_update_back_dep, add_or_update_back_forw_dep,
10415         add_back_forw_dep, delete_back_forw_dep): New functions.
10416         * sched-int.h (ds_t, dw_t): New typedefs.
10417         (struct sched_info): Add new field flags.
10418         (struct haifa_insn_data): Add new bitfield has_internal_dep.
10419         Prototype new sched-deps.c functions.
10420         (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10421         (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10422         MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10423         BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10424         SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10425         SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10426         New constants.
10427         (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10428         New enums.
10429         * sched-rgn.c (current_sched_info): Initialize flags field.
10430         (schedule_insns): Initialize current_sched_info before the sched_init
10431         call.
10432         * sched-ebb.c (current_sched_info): Initialize flags field.
10433         (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10434         Call add_or_update_back_dep instead of add_dependence.
10435         Create control speculative dependencies.
10436         (schedule_insns): Initialize current_sched_info before the sched_init
10437         call.
10438
10439 2006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
10440
10441         * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10442         fs->signal_frame.
10443         (sh_fallback_frame_state): Likewise.
10444
10445 2006-03-15  Geoffrey Keating  <geoffk@apple.com>
10446
10447         * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10448         Do switch on default_use_cxa_atexit.
10449         (powerpc*-*-darwin*): Build crt2.o on powerpc.
10450         * config/darwin-crt3.o: New.
10451         * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10452         to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
10453         (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10454         OS version.
10455         * config/rs6000/t-darwin: Move crt2.o building to here.
10456         * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10457         Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
10458         of __cxa_atexit.
10459
10460 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10461
10462         * config/vax/vax.c (nonindexed_address_p): Change logical negation
10463         from '! xxx' to '!xxx' for coding-style conformance.
10464         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10465         (EXTRA_CONSTRAINT): Likewise.
10466         * config/vax/vax.md (four unnamed insns): Likewise.
10467
10468 2006-03-15  Paul Brook  <paul@codesourcery.com>
10469
10470         * config/arm/arm.c (minipool_pad): New.
10471         (add_minipool_forward_ref): Include pool alignment padding in address
10472         calculation.
10473         (push_minipool_fix): Set minipool_pad.
10474         (minipool_pad): Ditto.
10475
10476 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10477
10478         * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10479         instead of GET_CODE() == MEM and REG_P() instead of
10480         GET_CODE() == REG.
10481         (print_operand_address): Likewise.
10482         (vax_address_cost): Likewise.
10483         (vax_rtx_costs): Likewise.
10484         (vax_notice_update_cc): Likewise.
10485         (vax_output_int_add): Likewise.
10486         (INDEX_REGISTER_P): Likewise.
10487         (BASE_REGISTER_P): Likewise.
10488         (nonindexed_address_p): Likewise.
10489         (vax_mode_dependent_address_p): Likewise.
10490         * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10491         (PRINT_OPERAND): Likewise.
10492         * config/vax/vax.md (ashlsi3): Likewise.
10493         (ashlsi3): Likewise.
10494         (some more unnamed insns): Likewise.
10495
10496 2006-03-15  Kazu Hirata  <kazu@codesourcery.com>
10497
10498         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10499         iterator-style macro.
10500         (mark_control_dependent_edges_necessary): Update the use of
10501         EXECUTE_IF_CONTROL_DEPENDENT.
10502
10503 2006-03-15  J"orn Rennecke <joern.rennecke@st.com>
10504
10505         * config/sh/predicates.md (cache_address_operand): Special.
10506         (ua_address_operand): Likewise.
10507
10508 2006-03-15  Zdenek Dvorak <dvorakz@suse.cz>
10509
10510         * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10511         loop notes.
10512         * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10513
10514 2006-03-15  Andreas Schwab  <schwab@suse.de>
10515
10516         * gensupport.c (identify_predicable_attribute): Don't free p_false
10517         when it is still in use.
10518
10519 2006-03-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
10520
10521         * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10522         the default setting here.
10523
10524 2006-03-14  Steven Bosscher  <stevenb.gcc@gmail.com>
10525
10526         * tree-pass.h (pass_cfg): Remove.
10527         * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10528         * passes.c (pass_cfg): Don't run it.
10529
10530 2006-03-14  Kazu Hirata  <kazu@codesourcery.com>
10531
10532         * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10533         * reg-stack.c (stack_regs_mentioned_data): Change the type to
10534         VEC(char,heap) *.
10535         (stack_regs_mentioned): Update the uses of
10536         stack_regs_mentioned_data.  Don't access the array beyond its
10537         end.
10538         (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10539         Don't include gt-reg-stack.h.
10540
10541         * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10542         * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10543
10544         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10545
10546         PR middle-end/26684
10547         * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10548         STACK_REGS.
10549
10550 2006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10551
10552         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10553
10554 2006-03-14  Richard Guenther  <rguenther@suse.de>
10555
10556         PR tree-optimization/26672
10557         * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10558         SSA form.
10559
10560 2006-03-14  Richard Guenther  <rguenther@suse.de>
10561
10562         PR tree-optimization/26667
10563         * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10564         node for the callees.  Always allow inlining if it will shrink
10565         the function size.
10566
10567 2006-03-14  Richard Guenther  <rguenther@suse.de>
10568
10569         PR middle-end/26659
10570         * builtins.c (get_pointer_alignment): Prefer alignment
10571         information from decls over that from types.
10572
10573 2006-03-14  Andrew Pinski  <pinskia@physics.uc.edu>
10574
10575         PR target/26657
10576         * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10577
10578 2006-03-14  Joseph S. Myers  <joseph@codesourcery.com>
10579
10580         * config/rs6000/rs6000.opt (mdlmzb): New option.
10581         (msched-prolog, msched-epilog): Use Var not Mask.
10582         * doc/invoke.texi (-mdlmzb): Document.
10583         * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10584         MASK_SCHED_PROLOG.
10585         (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10586         * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10587
10588 2006-03-13  Uttam Pawar  <uttamp@us.ibm.com>
10589
10590         PR rtl-optimization/25739
10591         * bt-load.c (augment_live_range): Free tos pointer.
10592
10593         * gensupport.c (identify_predicable_attribute): Free
10594         p_false pointer.
10595         * gcov.c (create_file_names): Free name pointer.
10596
10597 2006-03-13  Roger Sayle  <roger@eyesopen.com>
10598
10599         PR middle-end/26557
10600         * stmt.c (emit_case_nodes): Handle the case where the index is a
10601         CONST_INT, where the comparison mode is specified by the index type.
10602
10603 2006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10604
10605         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10606         is defined.
10607
10608 2006-03-13  Richard Sandiford  <richard@codesourcery.com>
10609
10610         * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10611         (*branch_fp_inverted): Likewise.
10612
10613 2006-03-13  Jakub Jelinek  <jakub@redhat.com>
10614
10615         PR middle-end/25989
10616         * omp-low.c (expand_omp_for_generic): Mark istart0
10617         and iend0 as addressable.
10618
10619 2006-03-13  Jie Zhang  <jie.zhang@analog.com>
10620
10621         * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10622
10623 2006-03-13  Jeff Law  <law@redhat.com>
10624
10625         * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10626         virtual operands are interesting.
10627         (vrp_visit_stmt): Corresponding changes.
10628
10629 2006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10630
10631         * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10632         of RETS.
10633         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10634         TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10635         * config/bfin/crti.S: Use it instead of __PIC__.
10636         * config/bfin/crtn.S: Likewise.
10637
10638         * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10639         call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10640         not if flag_pic.
10641         Lose 'G' modifier for call operand.
10642         * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10643         recognize 'G' modifier.
10644
10645 2006-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10646
10647         PR middle-end/18859
10648         * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10649         * stmt.c (expand_case): Likewise.
10650
10651 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10652
10653         PR rtl-optimization/26254
10654         * loop-invariant.c (seq_insns_valid_p): New function.
10655         (move_invariant_reg): Only emit new code if it is valid.
10656
10657 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10658
10659         * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10660         Removed.
10661         (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10662         (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10663         (commit_one_edge_insertion): Do not look for loop notes.
10664
10665 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10666
10667         * jump.c (follow_jumps): Do not check for loop notes.  Move check for
10668         flag_test_coverage out of loop.
10669
10670 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10671
10672         * final.c (shorten_branches): Remove outdated comment, and turn
10673         the if branch that guards it to continue.
10674
10675 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10676
10677         * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10678         * cfgloop.h (struct loop): Remove unused fields.
10679
10680 2006-03-13  Kazu Hirata  <kazu@codesourcery.com>
10681
10682         * doc/invoke.texi (-fdump-rtl-loop): Remove.
10683         (-dL, -fdump-rtl-loop2): Update the dump file names
10684
10685         * doc/invoke.texi: Update dump file names.
10686
10687 2006-03-12  Steven Bosscher  <stevenb.gcc@gmail.com>
10688
10689         * predict.c (estimate_probability): Remove.
10690         * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10691         * basic-block.h (estimate_probability): Remove prototype.
10692         * passes.c (finish_optimization_passes): Dump branch prediction or
10693         profiling heuristics to the .profile tree dump.
10694         (init_optimization_passes): Unqueue pass_branch_prob.
10695
10696         * doc/invoke.texi (-fdump-rtl-bp): Remove.
10697
10698 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10699
10700         * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10701         * rtl.h (LABEL_NEXTREF): Remove field accessor.
10702
10703 2006-03-11  Eric Botcazou  <ebotcazou@adacore.com>
10704
10705         * function.h (frame_offset_overflow): Declare.
10706         * function.c (frame_offset_overflow): New function.
10707         (assign_stack_local_1): Call it to detect that the offset overflows.
10708         * cfgexpand.c (alloc_stack_frame_space): Likewise.
10709
10710 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10711
10712         * config/sh/sh.c: Include alloc-pool.h.
10713         (label_ref_list_pool): New alloc pool.
10714         (label_ref_list_t): New type for lists of labels.
10715         (struct pool_node): Make wend a label_ref_list_t.
10716         (add_constant): Use the new type, eradicate LABEL_NEXTREF
10717         references.
10718         (dump_table): Likewise.
10719         (sh_reorg): Set up the alloc pool before using add_constant and
10720         dump_table, and destroy it when finishing.
10721
10722 2006-03-11  Richard Sandiford  <richard@codesourcery.com>
10723
10724         * config/mips/mips.c: Remove redundant comment.
10725
10726 2006-03-10  Jason Merrill  <jason@redhat.com>
10727
10728         PR c/26004
10729         * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10730         the target was declared 'register'.
10731
10732 2006-03-10  Adam Nemet  <anemet@caviumnetworks.com>
10733
10734         * genpreds.c (write_insn_constraint_len): Change definition of
10735         insn_constraint_len to return size_t to match the declaration.
10736
10737 2006-03-10  DJ Delorie  <dj@redhat.com>
10738
10739         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10740         start at zero.
10741         (m32c_expand_insv): Fix test for an AND mask.
10742
10743 2006-03-10  Richard Guenther  <rguenther@suse.de>
10744
10745         PR middle-end/26565
10746         * builtins.c (get_pointer_alignment): Handle component
10747         references for field alignment.
10748
10749 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
10750
10751         * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10752         when building with libgloss.
10753         (sh*elf): Implement --without-fp option.
10754         (sh64-superh-linux*): Don't multilib.
10755
10756 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
10757
10758         * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10759
10760 2006-03-09  Andrew Pinski  <pinskia@physics.uc.edu>
10761
10762         * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10763         Set it when one of the replacement functions returned true.
10764         Return TODO_cleanup_cfg if cfgchanged is true.
10765         (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10766
10767 2006-03-09  Adam Nemet  <anemet@caviumnetworks.com>
10768
10769         * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10770         instead of gen_lowpart.
10771
10772 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
10773
10774         * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10775         interface.
10776         (mips_output_order_conditional_branch): Declare.
10777         * config/mips/mips.h (MIPS_BRANCH): New macro.
10778         * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10779         for the comparison.  Use gen_condjump.
10780         (mips_output_conditional_branch): Rework interface to take the
10781         asm templates for a direct branch and the inverse of a direct branch.
10782         (mips_output_order_conditional_branch): New function.
10783         (mips_builtin_branch_and_move): New function.
10784         (mips_expand_builtin_compare): Use it.  Use VOIDmode for the
10785         branch condition.  Use gen_single_cc as the condition for
10786         __builtin_mips_upper_* or __builtin_mips_lower_*.
10787         (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10788         Use VOIDmode for the branch condition.
10789         * config/mips/predicates.md (order_operator): New predicate.
10790         * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10791         (branch_fp): Rename to...
10792         (*branch_fp): ...this.  Remove mode from comparison operator.
10793         Use new mips_output_conditional_branch interface.
10794         (branch_fp_inverted): Rename to...
10795         (*branch_fp_inverted): ...this and update as for *branch_fp.
10796         (*branch_zero<mode>): Rename to...
10797         (*branch_order<mode>): ...this.  Remove mode from comparison operator.
10798         Use mips_output_order_conditional_branch.  Only accept ordered
10799         comparisons.
10800         (*branch_zero<mode>_inverted): Rename to...
10801         (*branch_order<mode>_inverted): ...this and update as for
10802         *branch_order<mode>.
10803         (*branch_equality<mode>): Accept zero as the second operand to
10804         the equality operator.  Use the new mips_output_conditional_branch
10805         interface.
10806         (*branch_equality<mode>_inverted): Likewise.
10807         (condjump): New expander.
10808         * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10809         operator.
10810         * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10811         (bc1any2t, bc1any2f): Likewise.
10812         (single_cc): New expander.
10813         (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10814
10815 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
10816
10817         * doc/md.texi: Update documentation of MIPS constraints.
10818         * config/mips/constraints.md: New file.
10819         * config/mips/mips.md: Include it.
10820         * config/mips/mips.c (mips_char_to_class): Delete.
10821         (override_options): Don't initialize mips_char_to_class.
10822         * config/mips/mips.h (mips_char_to_class): Delete.
10823         (REG_CLASS_FROM_LETTER): Delete.
10824         (CONST_OK_FOR_LETTER_P): Delete.
10825         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10826         (EXTRA_CONSTRAINT_Y): Delete.
10827         (EXTRA_CONSTRAINT_STR): Delete.
10828         (CONSTRAINT_LEN): Delete.
10829         (EXTRA_MEMORY_CONSTRAINT): Delete.
10830
10831 2006-03-09  Diego Novillo  <dnovillo@redhat.com>
10832
10833         * tree-cfg.c (move_block_to_fn): Remove the statements from the
10834         original fn's eh regions.
10835
10836 2006-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10837
10838         * fold-const.c (build_range_check): Make sure to use a valid type to
10839         apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10840         transformation.
10841
10842         (range_predecessor): New static function.
10843         (range_successor): Likewise.
10844         (merge_ranges): Use them to compute predecessors and successors of
10845         range bounds.
10846
10847 2006-03-09  Roger Sayle  <roger@eyesopen.com>
10848
10849         PR middle-end/26561
10850         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10851         X op C3, consider whether C3 overflows towards +Inf or -Inf.
10852
10853 2006-03-08  DJ Delorie  <dj@redhat.com>
10854
10855         * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10856         (addpsi3): Expand to include memory operands.  Remove
10857         reload-specific splits.
10858         * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10859         (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10860         (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10861         (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10862         (shift1_qi, shift1_hi, insv): New.
10863         * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10864         (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10865         cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10866         cond_to_int): New.
10867         * config/m32c/m32c-protos.h: Update as needed.
10868         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10869         default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
10870         Fail for unrecognized R* constraints.
10871         (m32c_cannot_change_mode_class): Be more picky about pseudos.
10872         (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10873         (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10874         Add Sp constraint.
10875         (m32c_init_libfuncs): New.
10876         (m32c_legitimate_address_p): Add debug wrapper.
10877         (m32c_rtx_costs): New.
10878         (m32c_address_cost): New.
10879         (conversions): Add 'B' prefix.
10880         (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10881         operands, or word regnames for QI operands.  'B' prints bit
10882         position.
10883         (m32c_expand_setmemhi): New.
10884         (m32c_expand_movmemhi): New.
10885         (m32c_expand_movstr): New.
10886         (m32c_expand_cmpstr): New.
10887         (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10888         (m32c_expand_neg_mulpsi3): Handle non-ints.
10889         (m32c_cmp_flg_0): New.
10890         (m32c_expand_movcc): New.
10891         (m32c_expand_insv): New.
10892         (m32c_scc_pattern): New.
10893         * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
10894         a0/a1 out of SIregs.
10895         (STORE_FLAG_VALUE): New.
10896         * config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
10897         code macros.
10898         (no_insn): New.
10899         * config/m32c/mov.md: Make constraints more liberal.
10900         (zero_extendqihi2): Optimize r0/r1 case.
10901         * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10902         * config/m32c/predicates.md (m32c_any_operand): New.
10903         (m32c_nonimmediate_operand): New.
10904         (m32c_hl_operand): New.
10905         (m32c_r3_operand): New.
10906         (ap_operand): New.
10907         (ma_operand): New.
10908         (memsym_operand): New.
10909         (memimmed_operand): New.
10910         (a_qi_operand): New.
10911         (m32c_eqne_operator): New.
10912         (m32c_1bit8_operand): New.
10913         (m32c_1bit16_operand): New.
10914         (m32c_1mask8_operand): New.
10915         (m32c_1mask16_operand): New.
10916         * config/m32c/blkmov.md: New file.
10917         * config/m32c/t-m32c (MD_FILES): Add blkmov.
10918
10919 2006-03-08  Andreas Tobler  <a.tobler@schweiz.ch>
10920
10921         * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10922         unsigned to fix signed/unsigned comparison issue in
10923         DWARF2_FRAME_REG_OUT.
10924         (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10925         unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10926
10927         * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10928         of ptr into the ENABLE_CHECKING section.
10929
10930 2006-03-08  Jeff Law  <law@redhat.com>
10931
10932         * tree-vrp.c (infer_value_range): Only count pointer uses
10933         and dereferences if -fdelete-null-pointer-checks is enabled.
10934
10935         * tree-vrp.c (find_assert_locations): Infer value ranges for
10936         single use pointers, but do not create ASSERT_EXPRs for them.
10937         When a non-null range is inferred for a pointer, backwards
10938         propagate that range to other equivalent pointers through the
10939         use-def chain.
10940
10941 2006-03-08  Paolo Bonzini  <bonzini@gnu.org>
10942
10943         PR bootstrap/26500
10944         * Makefile.in (dvi, html, install-info): Invoke the corresponding
10945         language hook targets.
10946         * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10947         objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10948         if language hook targets were missing.
10949
10950 2006-03-07  Zdenek Dvorak <dvorakz@suse.cz>
10951
10952         * tree-ssa-opfinalize.h: Removed.
10953         * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10954         dependency.
10955         * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10956         (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10957         INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10958         add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10959         finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10960         finalize_ssa_v_must_def_ops): New.
10961
10962 2006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>
10963
10964         * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10965         block as parameter.
10966
10967 2006-03-07  Geoffrey Keating  <geoffk@apple.com>
10968
10969         * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10970
10971         * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10972         addresses with offsets; reorganize.
10973
10974         * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10975         (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10976         (expand_builtin_init_dwarf_reg_sizes): Likewise.
10977
10978 2006-03-08  David Billinghurst <David.Billinghurst@riotinto.com>
10979
10980         PR target/26588
10981         * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10982
10983 2006-03-08  Ben Elliston  <bje@au.ibm.com>
10984
10985         * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10986
10987 2006-03-07  Aldy Hernandez  <aldyh@redhat.com>
10988
10989         PR gomp/26238
10990         * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10991         expansion.
10992
10993 2006-03-07  Richard Guenther  <rguenther@suse.de>
10994
10995         PR tree-optimization/26587
10996         * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10997
10998 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
10999
11000         * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11001
11002 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
11003
11004         * hooks.c (hook_bool_mode_rtx_true): New function.
11005         * hooks.h (hook_bool_mode_rtx_true): Declare.
11006         * toplev.c (compile_file): Call output_shared_constant_pool.
11007         * varasm.c (shared_constant_pool): New variable.
11008         (assemble_start_function, assemble_end_function): Remove arguments
11009         from call to output_constant_pool.
11010         (create_constant_pool): New function, split out from...
11011         (init_varasm_status): ...here.
11012         (force_const_mem): Choose between the shared and per-function constant
11013         pools.  Set current_function_uses_const_pool when reusing old entries
11014         as well as when creating new ones.
11015         (mark_constant): Ignore data argument.
11016         (mark_constants): Remove pool argument.
11017         (mark_constant_pool): Likewise.  Use current_function_uses_const_pool
11018         to decide whether the function uses a constant pool.
11019         (output_constant_pool_contents): New function, split out from...
11020         (output_constant_pool): ...here.
11021         (output_shared_constant_pool): New function.
11022         (init_varasm_once): Initialize shared_constant_pool.
11023         * output.h (output_constant_pool): Delete.
11024         (output_shared_constant_pool): Declare.
11025         * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11026         * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11027
11028 2006-03-06  Nick Clifton  <nickc@redhat.com>
11029
11030         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11031         flag_strength_reduce.
11032
11033 2006-03-06  Ben Elliston  <bje@au.ibm.com>
11034
11035         * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11036         x86_64-*-linux* configurations.
11037
11038         * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11039         (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11040
11041 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11042
11043         * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11044         Remove.
11045         * basic-block.h: Remove the extern for
11046         rediscover_loops_after_threading.
11047
11048         * cfgloop.c (cancel_loop): Make it static.
11049         * cfgloop.h: Remove the prototype for cancel_loop.
11050
11051         * flow.c (recompute_reg_usage): Make it static.
11052         * rtl.h: Remove the prototype for recompute_reg_usage.
11053
11054         * function.c (use_return_register): Make it static.
11055         * function.h: Remove the prototype.
11056
11057 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11058
11059         * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11060         Remove.
11061         * recog.h: Remove the prototype for
11062         validate_change_maybe_volatile.
11063
11064 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11065
11066         * rtlanal.c (replace_reg): Remove.
11067         * rtl.h: Remove the prototype for replace_reg.
11068
11069 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11070
11071         * regclass.c (reg_scan_update): Remove.
11072         (reg_scan_mark_refs): Remove the last argument.
11073         * rtl.h: Remove the prototype for reg_scan_update.
11074
11075 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11076
11077         * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11078         combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11079         config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11080         config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11081         df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11082         loop-invariant.c, omp-low.c, opts.c, passes.c,
11083         rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11084         tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11085         tree-ssa-structalias.c, tree-ssa-threadedge.c,
11086         tree-ssa-threadupdate.c, tree-vect-patterns.c,
11087         tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11088         unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
11089
11090 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11091
11092         * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11093         * dwarf2out.h: Remove the prototype for
11094         dwarf2out_add_library_unit_info.
11095
11096 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11097
11098         * tree.c (add_var_to_bind_expr): Remove.
11099         * tree.h: Remove the prototype for add_var_to_bind_expr.
11100
11101 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11102
11103         * regclass.c (n_non_fixed_regs): Remove.
11104         (init_reg_sets_1, globalize_reg): Remove all uses of
11105         n_non_fixed_regs.
11106         * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11107
11108 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11109
11110         * rtlanal.c (insns_safe_to_move_p): Remove.
11111         * rtl.h: Remove the prototype for insns_safe_to_move_p.
11112
11113 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11114
11115         * expmed.c (expand_mult_add): Remove.
11116         * expr.h: Remove the prototype for expand_mult_add.
11117
11118 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
11119
11120         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11121         and REG_SAVED_VAL_EXP constants.
11122         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11123         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11124         Handle regs stored by value.
11125         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11126         (execute_cfa_program): Handle DW_CFA_val_offset,
11127         DW_CFA_val_offset_sf and DW_CFA_val_expression.
11128         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11129         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11130         (uw_install_context_1): Handle target regs stored by value.
11131
11132 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
11133
11134         * tree-sra.c (tree_sra): Return todoflags;
11135         (generate_one_element): Set TODO_update_smt_usage if needed.
11136         (pass_sra): Remove TODO_update_smt_usage.
11137         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11138         parameter.
11139         (tree_ssa_forward_propagate_single_use_vars): Return
11140         TODO_update_smt_usage if we need to update SMT usage.
11141         (pass_forwprop): Remove TODO_update_smt_usage.
11142
11143 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
11144
11145         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
11146         (correct_use_link): Remove reference to get_stmt_operands.
11147         (update_stmt_operands): Likewise.
11148         (get_modify_expr_operands): New function factored out of
11149         parse_ssa_operands and get_expr_operands.
11150         Try to create V_MUST_DEFs for LHS by default.
11151         (get_expr_operands) <case MODIFY_EXPR>: Call
11152         get_modify_expr_operands.
11153         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11154         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11155         (parse_ssa_operands) <case MODIFY_EXPR>: Call
11156         get_modify_expr_operands.
11157
11158 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
11159
11160         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11161         * tree-flow.h: Remove the prototype for
11162         referenced_var_lookup_if_exists.
11163
11164 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
11165
11166         PR rtl-optimization/26345
11167         PR target/19061
11168         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11169
11170 2006-03-03  Roger Sayle  <roger@eyesopen.com>
11171
11172         PR tree-optimization/26524
11173         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11174         fold_convert to create a constant of the appropriate type.
11175
11176 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
11177
11178         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11179         SYMBOL_REF_IN_BLOCK_P.
11180         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11181         of SYMBOL_FLAG_IN_BLOCK.
11182         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11183         instead of SYMBOL_REF_IN_BLOCK_P.
11184         * explow.c (use_anchored_address): Likewise.
11185         * rtl.c (rtx_size): Likewise.
11186         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11187         instead of SYMBOL_FLAG_IN_BLOCK.
11188         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11189         SYMBOL_REF_IN_BLOCK_P.
11190         (assemble_variable): Likewise.
11191         (output_constant_def_contents): Likewise.
11192         (output_constant_pool): Likewise.
11193         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11194         instead of SYMBOL_FLAG_IN_BLOCK.
11195         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11196         SYMBOL_REF_IN_BLOCK_P.
11197         (SYMBOL_REF_BLOCK): Likewise.
11198         (SYMBOL_REF_OFFSET): Likewise.
11199         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11200         SYMBOL_REF_IN_BLOCK_P.
11201         (SYMBOL_FLAG_IN_BLOCK): Replace with...
11202         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11203         (SYMBOL_REF_IN_BLOCK_P): Replace with...
11204         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11205
11206 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
11207
11208         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11209
11210 2006-03-02  Roger Sayle  <roger@eyesopen.com>
11211
11212         * simplify-rtx.c (simplify_unary_operation): When simplifying
11213         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11214         that we perform the right shift in the appropriate mode, and
11215         then extend or truncate the result to requested mode.
11216
11217 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
11218
11219         * gengtype.c (main): Handle double_int type.
11220         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11221         * double-int.c: New file.
11222         * double-int.h: New file.
11223         * system.h: Include doubleint.h.
11224         * Makefile.in (SYSTEM_H): Include double-int.h.
11225         (double-int.o): Add.
11226
11227 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
11228
11229         PR bootstrap/26478
11230         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11231         copying over it.
11232
11233 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11234
11235         * tree-vrp.c (remove_range_assertions): Do not update statements
11236         unnecessarily.
11237
11238 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11239
11240         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11241         cleanup.
11242         * gcse.c (rest_of_handle_gcse): Ditto.
11243         * except.c (gate_handle_eh): Ditto.
11244         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11245         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11246
11247 2006-03-02  Eric Christopher  <echristo@apple.com>
11248
11249         * config/i386/i386.c (machopic_output_stub): Add indirection to
11250         jump.
11251
11252 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11253
11254         * loop.c: Removed.
11255
11256 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
11257
11258         Sun Niagara specific optimizations.
11259         * config.gcc: Recognize niagara as target.
11260         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11261         (TARGET_CPU_niagara): Define.
11262         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11263         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11264         (CPP_CPU_SPEC): Handle -mcpu=niagara.
11265         (ASM_CPU_SPEC): Likewise.
11266         (PROCESSOR_NIAGARA): New enum entry.
11267         (REGISTER_MOVE_COST): Handle Niagara.
11268         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11269         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11270         (sparc_override_options): Recognize "niagara", set appropriate
11271         default MASK_* values for it, and align functions to 32-bytes
11272         by default just like ULTRASPARC/ULTRASPARC3.
11273         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11274         (sparc64_initialize_trampoline): Likewise.
11275         (sparc_use_sched_lookahead): Use zero for niagara.
11276         (sparc_issue_rate): Use one for niagara.
11277         * config/sparc/niagara.md: New file.
11278         * config/sparc/sparc.md: Include it.
11279         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11280         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11281         when default cpu is niagara.
11282         (CPP_CPU_SPEC): Handle -mcpu=niagara.
11283         (ASM_CPU_SPEC): Likewise.
11284         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11285         when default cpu is niagara.
11286         (ASM_CPU_SPEC): Handle -mcpu=niagara.
11287         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11288         just like v9/ultrasparc/ultrasparc3.
11289         * doc/invoke.texi: Add documentation for "niagara" and improve
11290         existing documentation for ultrasparc variants.
11291
11292 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
11293
11294         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11295
11296 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
11297
11298         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11299         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11300         and say that only one is needed.
11301         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11302         * target.h (have_switchable_bss_sections): New hook.
11303         * explow.c (use_anchored_address): Check that the symbol is in a block.
11304         * varasm.c (tls_comm_section, comm_section, lcomm_section)
11305         (bss_noswitch_section): New variables.
11306         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11307         (get_noswitch_section): New function.
11308         (get_block_for_section): Allow SECT to be null.
11309         (unlikely_text_section_p): Use SECTION_STYLE.
11310         (bss_initializer_p): New function.
11311         (get_variable_section): Move earlier in file.  Take a new argument,
11312         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
11313         Return one of the new *_sections in such cases.
11314         (get_block_for_decl): New function, extracting some logic from
11315         use_blocks_for_decl_p.
11316         (change_symbol_section): Remove in favor of...
11317         (change_symbol_block): ...this new function.
11318         (use_blocks_for_decl_p): Remove checks now performed by
11319         get_block_for_decl.
11320         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11321         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11322         (emit_local, emit_bss, emit_common): ...these new functions.
11323         Return true if the alignment was honored.
11324         (emit_tls_common): New function.
11325         (asm_emit_uninitialised): Delete.
11326         (assemble_variable_noswitch): New function, split out from...
11327         (assemble_variable): ...here.  Don't make decisions about common
11328         variables here.  Globalize all public decls that go into non-common
11329         sections.  Check whether SYMBOL_REF_BLOCK is null.
11330         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11331         (output_constant_pool): Likewise.
11332         (init_varasm_once): Initialize the new section variables.
11333         (have_global_bss_p): New function.
11334         (categorize_decl_for_section): Use bss_initializer_p.
11335         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
11336         (place_block_symbol): Assert that the symbol must be in a block.
11337         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11338         (TARGET_INITIALIZER): Include it.
11339         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11340         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11341         (SECTION_MACH_DEP): Bump by two.
11342         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11343         (unnamed_section): Mention SECTION_UNNAMED in comment.
11344         (named_section): Likewise SECTION_NAMED.
11345         (noswitch_section_callback): New type.
11346         (noswitch_section): New structure.
11347         (section): Add a noswitch_section alternative.
11348         (SECTION_STYLE): New macro.
11349         (tls_comm_section, comm_section, lcomm_section): Declare.
11350         (bss_noswitch_section, have_global_bss_p): Declare.
11351         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11352         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11353         Override.
11354         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11355         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11356         Override.
11357
11358 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
11359
11360         * tree-vrp.c (execute_vrp): Return value.
11361         * regrename.c (rest_of_handle_regrename): Ditto.
11362         * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11363         * tree-complex.c (tree_lower_complex): Ditto.
11364         (tree_lower_complex_O0): Ditto.
11365         * tracer.c (rest_of_handle_tracer): Ditto.
11366         * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11367         * postreload.c (rest_of_handle_postreload): Ditto.
11368         * tree-tailcall.c (execute_tail_recursion): Ditto.
11369         (execute_tail_calls): Ditto.
11370         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11371         * tree.h (init_function_for_compilation): Ditto.
11372         * ipa-cp.c (ipcp_driver): Ditto.
11373         * tree-scalar-evolution.c (scev_const_prop): Ditto.
11374         * tree-scalar-evolution.h (scev_const_prop): Ditto.
11375         * final.c (compute_alignments): Ditto.
11376         (rest_of_handle_final): Ditto.
11377         (rest_of_handle_shorten_branches): Ditto.
11378         (rest_of_clean_state): Ditto.
11379         * omp-low.c (execute_expand_omp): Ditto.
11380         (execute_lower_omp): Ditto.
11381         * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11382         * ipa-reference.c (static_execute): Ditto.
11383         * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11384         * reorg.c (rest_of_handle_delay_slots): Ditto.
11385         (rest_of_handle_machine_reorg): Ditto.
11386         * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11387         * flow.c (recompute_reg_usage): Ditto.
11388         (rest_of_handle_remove_death_notes): Ditto.
11389         (rest_of_handle_life): Ditto.
11390         (rest_of_handle_flow2): Ditto.
11391         * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11392         * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11393         (do_ssa_store_ccp): Ditto.
11394         (execute_fold_all_builtins): Ditto.
11395         * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11396         * modulo-sched.c (rest_of_handle_sms): Ditto.
11397         * ipa-pure-const.c (static_execute): Ditto.
11398         * cse.c (rest_of_handle_cse): Ditto.
11399         (rest_of_handle_cse2): Ditto.
11400         * web.c (rest_of_handle_web): Ditto.
11401         * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11402         * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11403         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11404         * tree-nrv.c (tree_nrv): Ditto.
11405         (execute_return_slot_opt): Ditto.
11406         * tree-ssa-alias.c (compute_may_aliases): Ditto.
11407         (create_structure_vars): Ditto.
11408         * loop-init.c (rtl_loop_init): Ditto.
11409         (rtl_loop_done): Ditto.
11410         (rtl_move_loop_invariants): Ditto.
11411         (rtl_unswitch): Ditto.
11412         (rtl_unroll_and_peel_loops): Ditto.
11413         (rtl_doloop): Ditto.
11414         * gimple-low.c (lower_function_body): Ditto.
11415         (mark_used_blocks): Ditto.
11416         * tree-ssa-sink.c (execute_sink_code): Ditto.
11417         * ipa-inline.c (cgraph_decide_inlining): Ditto.
11418         (cgraph_early_inlining): Ditto.
11419         * global.c (rest_of_handle_global_alloc): Ditto.
11420         * jump.c (cleanup_barriers): Ditto.
11421         (purge_line_number_notes): Ditto.
11422         * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11423         (rest_of_handle_if_after_reload): Ditto.
11424         * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11425         (tree_ssa_loop_im): Ditto.
11426         (tree_ssa_loop_unswitch): Ditto.
11427         (tree_vectorize): Ditto.
11428         (tree_linear_transform): Ditto.
11429         (tree_ssa_loop_ivcanon): Ditto.
11430         (tree_ssa_empty_loop): Ditto.
11431         (tree_ssa_loop_bounds): Ditto.
11432         (tree_complete_unroll): Ditto.
11433         (tree_ssa_loop_prefetch): Ditto.
11434         (tree_ssa_loop_ivopts): Ditto.
11435         (tree_ssa_loop_done): Ditto.
11436         * predict.c (tree_estimate_probability): Ditto.
11437         * recog.c (split_all_insns_noflow): Ditto.
11438         (rest_of_handle_peephole2): Ditto.
11439         (rest_of_handle_split_all_insns): Ditto.
11440         * tree-eh.c (lower_eh_constructs): Ditto.
11441         * regmove.c (rest_of_handle_regmove): Ditto.
11442         (rest_of_handle_stack_adjustments): Ditto.
11443         * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11444         * function.c (instantiate_virtual_regs): Ditto.
11445         (init_function_for_compilation): Ditto.
11446         (rest_of_handle_check_leaf_regs): Ditto.
11447         * gcse.c (rest_of_handle_jump_bypass): Ditto.
11448         (rest_of_handle_gcse): Ditto.
11449         * ipa-type-escape.c (type_escape_execute): Ditto.
11450         * alias.c (rest_of_handle_cfg): Ditto.
11451         * tree-if-conv.c (main_tree_if_conversion): Ditto.
11452         * profile.c (rest_of_handle_branch_prob): Ditto.
11453         * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11454         * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11455         * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11456         * tree-dfa.c (find_referenced_vars): Ditto.
11457         * except.c (set_nothrow_function_flags): Ditto.
11458         (convert_to_eh_region_ranges): Ditto.
11459         (rest_of_handle_eh): Ditto.
11460         * emit-rtl.c (unshare_all_rtl): Ditto.
11461         (remove_unnecessary_notes): Ditto.
11462         * except.h (set_nothrow_function_flags): Ditto.
11463         (convert_to_eh_region_ranges): Ditto.
11464         * cfgexpand.c (tree_expand_cfg): Ditto.
11465         * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11466         * tree-ssa-pre.c (do_pre): Ditto.
11467         (execute_fre): Ditto.
11468         * cfgcleanup.c (rest_of_handle_jump): Ditto.
11469         (rest_of_handle_jump2): Ditto.
11470         * tree-sra.c (tree_sra): Ditto.
11471         * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11472         (execute_mudflap_function_decls): Ditto.
11473         * tree-ssa-copy.c (do_copy_prop): Ditto.
11474         (do_store_copy_prop): Ditto.
11475         * ipa-prop.h (ipcp_driver): Ditto.
11476         * cfglayout.c (insn_locators_initialize): Ditto.
11477         * tree-ssa-forwprop.c
11478         (tree_ssa_forward_propagate_single_use_vars): Ditto.
11479         * cfglayout.h (insn_locators_initialize): Ditto.
11480         * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11481         * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11482         (execute_late_warn_uninitialized): Ditto.
11483         * rtl.h (cleanup_barriers): Ditto.
11484         (split_all_insns_noflow): Ditto.
11485         (purge_line_number_notes): Ditto.
11486         (unshare_all_rtl): Ditto.
11487         (remove_unnecessary_notes): Ditto.
11488         (recompute_reg_usage): Ditto.
11489         (variable_tracking_main): Ditto.
11490         * integrate.c (emit_initial_value_sets): Ditto.
11491         * integrate.h (emit_initial_value_sets): Ditto.
11492         * tree-optimize.c (execute_free_datastructures): Ditto
11493         (execute_free_cfg_annotations): Ditto.
11494         (execute_fixup_cfg): Ditto.
11495         (execute_cleanup_cfg_pre_ipa): Ditto.
11496         (execute_cleanup_cfg_post_optimizing): Ditto.
11497         (execute_init_datastructures): Ditto.
11498         * tree-object-size.c (compute_object_sizes): Ditto.
11499         * combine.c (rest_of_handle_combine): Ditto.
11500         * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11501         * bb-reorder.c (duplicate_computed_gotos): Ditto.
11502         (rest_of_handle_reorder_blocks): Ditto.
11503         (rest_of_handle_partition_blocks): Ditto.
11504         * var-tracking.c (variable_tracking_main): Ditto.
11505         * tree-profile.c (tree_profiling): Ditto.
11506         * tree-vect-generic.c (expand_vector_operations): Ditto.
11507         * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11508         * sched-rgn.c (rest_of_handle_sched): Ditto.
11509         (rest_of_handle_sched2): Ditto.
11510         * basic-block.h (free_bb_insn): Ditto.
11511         * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11512         * tree-cfg.c (execute_build_cfg): Ditto.
11513         (remove_useless_stmts): Ditto.
11514         (split_critical_edges): Ditto.
11515         (execute_warn_function_return): Ditto.
11516         (execute_warn_function_noreturn): Ditto.
11517         * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11518         * cfgrtl.c (free_bb_for_insn): Ditto.
11519         * passes.c (execute_one_pass): Run additional
11520         todos returned by execute function.
11521         * tree-pass.h (struct tree_opt_pass): Make execute
11522         return a value.
11523
11524 2006-03-02  Richard Guenther  <rguenther@suse.de>
11525
11526         * tree-ssa-alias.c (find_used_portions): Consider taking
11527         the address as making the variable not write-only.
11528
11529 2006-03-02  Nick Clifton  <nickc@redhat.com>
11530
11531         * config.gcc (default_use_cxa_atexit): Extend the description of
11532         this configure variable.  Set its default value to "yes" for
11533         Linux, NetBSD and ELF targets on the assumption that they will
11534         use C libraries with the __cxa_atexit function.
11535
11536 2006-03-02  Ben Elliston  <bje@au.ibm.com>
11537
11538         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11539         parameter as unused to suppress a build warning.
11540
11541 2006-03-02  Ben Elliston  <bje@au.ibm.com>
11542
11543         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11544         config/dfp-bit.c.
11545
11546 2006-03-01  Roger Sayle  <roger@eyesopen.com>
11547
11548         PR other/26489
11549         * gthr-posix.h (__gthrw2): Define to take three parameters, the
11550         declared name, the weak reference name, and the typeof name.
11551         (__gthrw): Avoid expanding the declared name suffix.
11552         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11553
11554 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
11555
11556         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11557         from DWARF 3.
11558         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11559         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11560         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11561         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11562         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11563         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11564         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11565         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11566         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11567         DW_DS_leading_separate, DW_DS_trailing_separate): New.
11568         (DW_END_default, DW_END_big, DW_END_little): New.
11569         (DW_END_lo_user, DW_END_hi_user): Define.
11570         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11571         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11572         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11573         DW_LANG_D): New.
11574
11575 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11576
11577         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11578         Update all users.
11579         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11580         Update all users.
11581         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11582         Update all users.
11583         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11584         Update all users.
11585         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11586         to 'symbol_mem_tag'.
11587         Update all users.
11588         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11589         rename.
11590
11591 2006-03-01  Roger Sayle  <roger@eyesopen.com>
11592
11593         * builtins.c (fold_builtin_copysign): Delete unreachable code.
11594
11595 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11596
11597         PR target/25761
11598         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11599         MACHO_DYNAMIC_NO_PIC_P.
11600         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11601
11602 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11603
11604         PR target/26389
11605         * config/darwin-protos.h (darwin_asm_output_anchor):
11606         Declare.
11607         * config/darwin-sections.def (cstring_section):
11608         Add SECTION_MERGE to the flags.
11609         (literal4_section): Likewise.
11610         (literal8_section): Likewise.
11611         (objc_selector_refs_section): Likewise.
11612         (objc_cls_refs_section): Likewise.
11613         * config/darwin.c (darwin_asm_output_anchor): New
11614         function.
11615         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11616
11617 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
11618
11619         Fix PR tree-optimization/26443
11620         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11621         to todo and PROP_tmt_usage to properties_destroyed.
11622         * tree-ssa-ccp.c (pass_ccp): Ditto.
11623         (pass_store_ccp): Ditto.
11624         * tree-ssa-dom.c (pass_dominator): Ditto.
11625
11626 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11627
11628         * tree-ssa-operands.c: Cleanup whitespace.
11629         (get_asm_expr_operands): Move before first invocation.
11630         (get_indirect_ref_operands): Likewise.
11631         (get_tmr_operands): Likewise.
11632         (get_call_expr_operands): Likewise.
11633         (append_def): Likewise.
11634         (append_use): Likewise.
11635         (append_v_may_def): Likewise.
11636         (append_v_must_def): Likewise.
11637         (add_call_clobber_ops): Likewise.
11638         (add_call_read_ops): Likewise.
11639         (add_stmt_operand): Likewise.
11640         (add_virtual_operand): Likewise.
11641         (build_ssa_operands): Likewise.
11642
11643 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11644
11645         PR middle-end/26022
11646         Revert:
11647         PR middle-end/24437
11648         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11649         with a call expr to ...
11650         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11651
11652 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11653
11654         * tree-vrp.c (extract_range_from_assert): Remove special
11655         handling for types with super-types.
11656
11657 2006-03-01  Ben Elliston  <bje@au.ibm.com>
11658
11659         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11660         and powerpc64-*-linux* configurations.
11661         * config/t-dfprules: New file.
11662
11663         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11664         Compile dfp-bit.c from the source directory using -DWIDTH and
11665         $DFP_CFLAGS to control the compilation of that file, rather than
11666         generating width-specific versions in the build directory.
11667         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11668         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11669
11670 2006-02-28  Zack Weinberg  <zackw@panix.com>
11671
11672         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11673         continues to work.
11674
11675 2006-02-28  Eric Christopher  <echristo@apple.com>
11676
11677         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11678         Set up IN_LIBGCC definition of TARGET_64BIT.
11679         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11680
11681 2006-02-28  Roger Sayle  <roger@eyesopen.com>
11682
11683         PR middle-end/14752
11684         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11685         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
11686         cases via the construction of "expr != 0".
11687
11688 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
11689
11690         * alias.c (alias_invariant, alias_invariant_size): Remove.
11691         (record_base_value): Remove.
11692         (memrefs_conflict_p): Don't look at alias_invariant.
11693         (end_alias_analysis): Don't free it.
11694         * alias.h (record_base_value): Remove prototype.
11695
11696 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
11697             Adam Nemet  <anemet@caviumnetworks.com>
11698
11699         * rtl.h (truncated_to_mode): Declare it.
11700         (struct rtl_hooks): Add reg_truncated_to_mode hook.
11701         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11702         (RTL_HOOKS_INITIALIZER): Include it.
11703         * rtlhooks.c (reg_truncated_to_mode_general): New function.
11704         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11705         reg_truncated_to_mode.
11706         * rtlanal.c (truncated_to_mode): Define it.
11707         * simplify-rtx.c (simplify_unary_operation_1): Use it.
11708
11709 2006-02-28  Jeff Law  <law@redhat.com>
11710
11711         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11712         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11713         the range allowed by TYPE_PRECISION.
11714
11715         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11716
11717 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
11718
11719         PR tree-optimization/26419
11720         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11721         values of n.
11722
11723 2006-02-27  Zack Weinberg  <zackw@panix.com>
11724
11725         * doc/md.texi: Fix typo in previous change.
11726
11727 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
11728
11729         * df.c: Remove.
11730
11731 2006-02-27  Zack Weinberg  <zackw@panix.com>
11732
11733         * rtl.def (define_constraint, define_register_constraint)
11734         (define_memory_constraint, define_address_constraint): New MD forms.
11735         * gensupport.c (process_rtx): Put define_constraint etc on the
11736         predicate queue.
11737         * genpreds.c (process_define_predicate): Adjust comment.  Validate
11738         the name, and call validate_exp to validate the expression.
11739         (mark_mode_tests, write_extract_subexp): Can assume correct input.
11740         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
11741         all callers changed.
11742         (validate_exp, needs_variable, struct constraint_data)
11743         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11744         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11745         (const_dbl_constraints, constraint_max_namelen)
11746         (have_register_constraints, have_memory_constraints)
11747         (have_address_constraints, have_address_constraints)
11748         (have_extra_constraints, have_const_int_constraints)
11749         (have_const_dbl_constraints, mangle, add_constraint)
11750         (process_define_constraint, process_define_register_constraint)
11751         (write_enum_constraint_num, write_lookup_constraint)
11752         (write_insn_constraint_len, write_regclass_for_constraint)
11753         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11754         (write_insn_extra_memory_constraint)
11755         (write_insn_extra_address_constraint)
11756         (write_satisfies_constraint_fns): New.
11757         (write_tm_preds_h): If we have new-style constraint definitions,
11758         prototype the functions generated from them, and define the
11759         old constraint interface (still used by generic code) in terms of
11760         those functions.
11761         (write_insn_preds_c): If we have new-style constraint definitions,
11762         generate all relevant functions from those definitions.
11763         (main): Handle define_constraint etc.
11764         * genoutput.c (struct constraint_data, indep_constraints)
11765         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11766         (mdep_constraint_len): New data structures and functions, defined
11767         #ifdef USE_MD_CONSTRAINTS.
11768         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11769         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11770         use new logic to validate operand constraints against constraint
11771         definitions.
11772         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11773         defined.
11774         * defaults.h: If none of the old-style constraint macros are
11775         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11776         old-style macros; and poison REG_CLASS_FROM_LETTER,
11777         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11778         EXTRA_CONSTRAINT.
11779         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11780         * doc/md.texi: Document new constraint-definition mechanism and the
11781         C interface it provides.  Remove references to old mechanism
11782         elsewhere in the document.
11783         (Machine Constraints): Use pathnames relative to gcc directory,
11784         i.e. config/ARCH/FILE.  Change i386 section to refer to
11785         config/i386/predicates.md; update that section to match docstrings.
11786         * doc/tm.texi: Move all documentation of the old constraint-
11787         definition macros to their own section, clearly mark as obsolete.
11788
11789         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11790         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11791         definitions.
11792         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11793         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11794         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11795         constraint strings.
11796         (splits and peepholes): Use satisfies_constraint_*.
11797         * config/i386/i386.c (memory_address_length)
11798         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11799
11800 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
11801
11802         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11803         scalar operation to be put back into the loop.
11804
11805 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
11806
11807         PR other/26208
11808         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11809         (extract_cie_info): Handle S flag in augmentation string.
11810         (execute_cfa_program): If context->signal_frame, execute also
11811         fs->pc == context->ra instructions.
11812         (uw_frame_state_for): If context->signal_frame, don't subtract one
11813         from context->ra to find FDE.
11814         (uw_update_context_1): Set context->signal_frame to
11815         fs->signal_frame.
11816         (_Unwind_GetIPInfo): New function.
11817         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11818         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11819         of _Unwind_GetIP.
11820         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11821         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11822         * unwind-compat.c (_Unwind_GetIPInfo): New function.
11823         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11824         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11825         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11826         * config/i386/linux-unwind.h (x86_fallback_frame_state,
11827         x86_64_fallback_frame_state): Set fs->signal_frame.
11828         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11829         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11830         (frob_update_context): Likewise.  Workaround missing S flag in
11831         Linux 2.6.12 - 2.6.16 kernel vDSOs.
11832         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11833         Remove the psw_addr + 1 hack.
11834
11835 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
11836
11837         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11838         with aggregates here.
11839         (find_func_aliases): Remove code for &<aggregate> from here.
11840
11841 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11842
11843         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11844         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11845         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11846         as (X & C) ne/eq 0.
11847
11848 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11849
11850         PR middle-end/19983
11851         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11852
11853 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
11854
11855         * opts.c (decode_options): Do not handle flag_strength_reduce.
11856         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11857         and OPT_fstrength_reduce.
11858         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11859         flag_prefetch_loop_arrays for being nonzero.
11860         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11861         no-ops.
11862         (fprefetch-loop-arrays-rtl): Removed.
11863         (flag_prefetch_loop_arrays): Do not specify the value.
11864
11865         * doc/passes.texi: Update documentation of loop optimizer
11866         passes.
11867         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11868         -frerun-loop-opt): Remove.
11869
11870 2006-02-26  Richard Guenther  <rguenther@suse.de>
11871
11872         PR tree-optimization/26421
11873         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11874         in function calls that are ADDR_EXPRs as using the whole structure.
11875
11876 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
11877
11878         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11879         * tree-pass.h (pass_loop_optimize): Remove.
11880         * passes.c (pass_loop_optimize): Never run it.
11881         * toplev.c (backend_init): Don't call init_loop.
11882         * opts.c (flag_loop_optimize_set): Remove.
11883         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11884         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
11885         the old RTL loop optimizer when profiling enabled.
11886         * predict.c (tree_estimate_probability): Always strip builtin_expect.
11887         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11888         pre-headers for the sake of the old RTL loop optimizer.
11889         * Makefile.in: Remove all references to loop.o.
11890
11891         * doc/invoke.texi: Remove all references to -floop-optimize
11892         and -frerun-loop-opt.
11893
11894 2006-02-26  Zack Weinberg  <zackw@panix.com>
11895
11896         * doc/md.texi (Machine Constraints): Refer to all files with paths
11897         relative to gcc directory (i.e. config/CPU/file).  Add missing
11898         @table @code ... @end table to M32C subsection.
11899
11900 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11901
11902         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11903         (X & 1) == 0.
11904         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11905
11906 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11907             James A. Morrison  <phython@gcc.gnu.org>
11908
11909         PR middle-end/21137
11910         * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11911         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11912         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11913         signedness of the shift operation.
11914
11915 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
11916
11917         PR tree-optimization/26359
11918         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11919
11920 2006-02-25  Roger Sayle  <roger@eyesopen.com>
11921
11922         * simplify-rtx.c (simplify_relational_operation_1): Simplify
11923         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
11924         as X == 0, and some symmetry related transformations.
11925         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
11926
11927 2006-02-25  Roger Sayle  <roger@eyesopen.com>
11928
11929         PR middle-end/23673
11930         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11931         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
11932         symmetry related transformations.  Fold (X^C1) == C2 as
11933         X == (C1^C2).
11934
11935 2006-02-25  Juergen Weigert  <jw@suse.de>
11936         Richard Guenther  <rguenther@suse.de>
11937
11938         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11939
11940 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
11941
11942         * combine.c (gen_lowpart_or_truncate): Call
11943         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11944
11945 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
11946
11947         * doc/invoke.texi: Move -fopenmp description to "Options for
11948         Code Generation".
11949         Remove reference to -lgomp.
11950
11951 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
11952
11953         * doc/install.texi: Require GNU tar version 1.14.
11954
11955 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
11956
11957         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11958         * doc/invoke.texi (C++ Dialect Options): Document
11959         -fno-use-cxa-get-exception-ptr.
11960         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11961         * configure: Regenerate.
11962         * c.opt (fuse-cxa-get-exception-ptr): New.
11963         * c-opts.c (c_common_handle_option): Handle
11964         OPT_fuse_cxa_get_exception_ptr.
11965         * c-common.c (flag_use_cxa_atexit): Update documentation.
11966         (flag_use_cxa_get_exception_ptr): New.
11967         * c-common.h (flag_use_cxa_get_exception_ptr): New.
11968         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11969         documentation.
11970         (C_COMMON_OVERRIDE_OPTIONS): New.
11971
11972 2006-02-24  Roger Sayle  <roger@eyesopen.com>
11973
11974         PR middle-end/24952
11975         * combine.c (try_combine): Explicitly check whether GET_CODE is
11976         a SET or a CLOBBER, instead on checking that it isn't a USE.
11977
11978 2006-02-24  Roger Sayle  <roger@eyesopen.com>
11979
11980         * fold-const.c (fold_comparison): New subroutine of fold_binary
11981         containing transformations common to both the equality and
11982         ordering relational operators, factored out of fold_binary.
11983         (fold_binary): Separate out the equality operators (EQ_EXPR
11984         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11985         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11986         transformations common to both.
11987         (fold_div_compare): Fix latent bugs in the previously unreachable
11988         LT_EXPR and GE_EXPR cases.
11989
11990 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
11991
11992         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11993         decl libname for clog to __clog on AIX.
11994
11995         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11996
11997 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
11998
11999         PR target/26453
12000         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12001         output traceback table for thunks.  Localise rs6000_stack_info call.
12002
12003 2006-02-23  Roger Sayle  <roger@eyesopen.com>
12004             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12005
12006         * gthr-posix.h (__gthrw): Fix typo in comment.
12007
12008 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
12009
12010         * doc/cpp.texi (Character sets): Document that we do support
12011         input files to be in any character set.
12012
12013 2006-02-23  Jeff Law  <law@redhat.com>
12014
12015         * tree.h (PHI_ARG_NONZERO): Remove.
12016         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12017         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12018         node to the new node.
12019
12020         PR tree-optimization/26425
12021         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12022         min/max, then assume its varying.
12023
12024 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
12025
12026         PR rtl-optimization/26316
12027         * rtlanal.c (enum may_trap_p_flags): New.
12028         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
12029         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12030         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12031         (may_trap_after_code_motion_p): New function.
12032         * loop-invariant.c (find_identical_invariants): Fix dump formating.
12033         (find_invariant_insn): Use may_trap_after_code_motion_p.
12034         * rtl.h (may_trap_after_code_motion_p): Declare.
12035
12036 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
12037
12038         * emit-rtl.c (immed_double_const): Cleanup.
12039
12040 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
12041
12042         Fix PR tree-optimization/26376
12043         * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12044         remove assert.
12045
12046 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
12047
12048         PR middle-end/26412
12049         * gimplify.c (omp_add_variable): Guard variable size decl test with
12050         DECL_SIZE (decl) check.
12051
12052 2006-02-23  Richard Guenther  <rguenther@suse.de>
12053
12054         PR middle-end/26439
12055         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12056         like aggregate types.
12057
12058 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
12059
12060         * configure.ac: Add --with{,out}-long-double-128 configure option.
12061         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12062         * configure: Rebuilt.
12063         * config.in: Rebuilt.
12064         * doc/install.texi (Options specification): Document
12065         --with-long-double-128.
12066
12067         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12068         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12069         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12070         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12071
12072 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
12073
12074         * config/s390/s390.c (override_options): Handle
12075         TARGET_DEFAULT_LONG_DOUBLE_128.
12076
12077         * config/alpha/alpha.c (override_options): Handle
12078         TARGET_DEFAULT_LONG_DOUBLE_128.
12079
12080         * config/sparc/sparc.c (sparc_override_options): Handle
12081         TARGET_DEFAULT_LONG_DOUBLE_128.
12082
12083 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
12084
12085         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12086         (real-install-headers-tar, real-install-headers-cpio)
12087         (real-install-headers-cp): New targets.
12088
12089 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
12090
12091         * tree.h (variable_section): Delete.
12092         * varasm.c (variable_section): Delete.
12093
12094 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
12095
12096         * install.texi: Add notes on install.texi2html.
12097         (Building in parallel): Do not use footnotes.
12098
12099 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
12100
12101         PR libgomp/26234
12102         * doc/install.texi (Configuration): Document --disable-libgomp.
12103
12104 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
12105
12106         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12107
12108 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
12109
12110         * config/i386/sse.md (vec_extractv2df_1_sse): New.
12111         (vec_extractv2df_0_sse): New.
12112
12113 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
12114
12115         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12116         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12117         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12118         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
12119         to the result of the expression.
12120         (def_cfa_1): Adjust.
12121         (frame_pointer_cfa_offset): Rename to...
12122         (frame_pointer_fb_offset): ... this.  Adjust all uses.
12123         (convert_cfa_to_loc_list): Rename to...
12124         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
12125         Pass it on to build_cfa_loc.
12126         (compute_frame_pointer_to_cfa_displacement): Rename to...
12127         (compute_frame_pointer_to_fb_displacement): ... this.  New
12128         offset parameter.  Use it in computation.
12129         (gen_subprogram_die): Compute cfa_fb_offset with the new
12130         macro, and use it to compute the fb loc list and the
12131         displacement.
12132
12133 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
12134
12135         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
12136         replaced with register_operand.
12137         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12138         non-DREG is expensive.
12139         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12140         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12141         involving memory.
12142
12143 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
12144
12145         * doc/install.texi2html: Use set -e.
12146
12147 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
12148
12149         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12150         (ASM_OUTPUT_SHARED_LOCAL): Delete.
12151         * doc/invoke.texi (-fshared-data): Delete.
12152         * common.opt (fshared-data): Delete.
12153         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12154         (assemble_static_space): Remove #if 0 code.
12155         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12156         (ASM_OUTPUT_SHARED_LOCAL): Poison.
12157         * config/cris/cris.h: Remove FIXME.
12158
12159 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
12160
12161         * doc/sourcebuild.texi (Front End Directory): No more double-colon
12162         hooks.
12163
12164 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
12165
12166         PR middle-end/26379
12167         * combine.c (simplify_shift_const_1): Disable nested shifts
12168         optimization for vector shifts.
12169
12170 2006-02-20  Roger Sayle  <roger@eyesopen.com>
12171
12172         PR tree-optimization/26361
12173         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12174         of unsigned integer types.
12175
12176 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
12177
12178         * tree-chrec.c (eq_evolutions_p): New.
12179         * tree-chrec.h (eq_evolutions_p): Declared.
12180         * tree-data-ref.c: Fix formatting.
12181         (datadep_stats, dependence_stats): New.
12182         (gcd): Moved...
12183         (print_direction_vector): New.
12184         (dump_data_dependence_relation): Use print_direction_vector.
12185         (object_analysis, create_data_ref): Handle COMPONENT_REF.
12186         (compute_subscript_distance): Static.
12187         (initialize_data_dependence_relation): Static.  Get the number
12188         of loops surrounding the references from the callers, and initialize
12189         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
12190         base_object_differ_p analyzers.
12191         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12192         compute_overlap_steps_for_affine_1_2,
12193         analyze_subscript_affine_affine): Count the classified dependences.
12194         Print a message when a test failed.
12195         (can_use_analyze_subscript_affine_affine): New.
12196         (analyze_siv_subscript): Compute the data dependences on symbolic
12197         scevs that verify can_use_analyze_subscript_affine_affine.
12198         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12199         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12200         Handle symbolic scevs.
12201         (analyze_overlapping_iterations): Let symbolic affine scevs to be
12202         analyzed.
12203         (subscript_dependence_tester): Moved...
12204         (build_classic_dist_vector, build_classic_dir_vector): Don't use
12205         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
12206         DDR_SIZE_VECT instead of getting it in parameter.
12207         (subscript_dependence_tester): ... here.  Take as a parameter
12208         loop_nest_depth.  Call build_classic_dist_vector and
12209         build_classic_dir_vector.
12210         (compute_affine_dependence): Update subscript_dependence_tester
12211         parameters.  Update datadep_stats counters.  Call
12212         compute_subscript_distance.
12213         (compute_self_dependence): Save the dist and dir vectors.  Call
12214         compute_subscript_distance.
12215         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12216         (compute_all_dependences): Reorder parameters as they were before
12217         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
12218         compute_subscript_distance.  Update the use of
12219         compute_affine_dependence and initialize_data_dependence_relation.
12220         (find_data_references_in_loop): Handle COMPONENT_REF.
12221         (compute_data_dependences_for_loop): Initialize dependence_stats.
12222         Don't call build_classic_dist_vector and build_classic_dir_vector.
12223         Update the parameters of initialize_data_dependence_relation and
12224         compute_all_dependences.  Print the statistics from datadep_stats.
12225         (analyze_all_data_dependences): Static.  Not used until the pass for
12226         checking the data dependences is contributed.
12227         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12228         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12229         (initialize_data_dependence_relation, compute_affine_dependence,
12230         analyze_all_data_dependences, compute_subscript_distance): Removed.
12231         (print_direction_vector): New.
12232         * lambda.h (gcd): ... here.
12233         (lambda_vector_gcd): Moved here from gcd_vector.
12234         * lambda-code.c (gcd, gcd_vector): Removed.
12235         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
12236         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12237
12238 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
12239
12240         * ipa-type-escape.c: Tidy some comments and white space.
12241         * tree-ssa-operands.c: Likewise.
12242
12243 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
12244
12245         PR tree-opt/25879
12246         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12247         (dump_decl_name): Do not walk the decl tree chains.
12248         * tree-pass.h (TDF_CHAIN): Remove.
12249
12250 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
12251
12252         * Makefile.in (C): Remove
12253         (PROTO): Remove
12254         (.PHONY): Remove C and PROTO
12255
12256 2006-02-20  Roger Sayle  <roger@eyesopen.com>
12257
12258         PR middle-end/26236
12259         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12260         deprecated CHAR_TYPE tree code.
12261
12262 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
12263
12264         * configure.ac (target_list): Add install-info, dvi, html.
12265         * configure: Regenerate.
12266
12267         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12268         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12269         treelang/Make-lang.in: Do not use double-colon rules.
12270
12271 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
12272
12273         * tree.h (struct tree_memory_tag): Add is_used_alone member.
12274         (TMT_USED_ALONE): New macro.
12275         * tree-pass.h (PROP_tmt_usage): New property.
12276         (TODO_update_tmt_usage): New todo.
12277         * tree-ssa-alias.c (updating_used_alone): New variable.
12278         (recalculate_used_alone): New function.
12279         (compute_may_aliases): Set updating_used_alone, call
12280         recalculate_used_alone.
12281         * tree-sra.c (pass_sra): Note that this pass destroys
12282         PROP_tmt_usage, and add TODO_update_tmt_usage.
12283         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12284         * tree-flow.h (updating_used_alone): Prototype.
12285         (recalculate_used_alone): Ditto.
12286         * passes.c (execute_todo): Add code to set updating_used_alone,
12287         and call recalculate.
12288         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12289         for clobber if used alone, and add assert to verify used_alone
12290         status.
12291
12292 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
12293
12294         * config/s390/s390.c (legitimize_pic_address): Assertions checking
12295         for non tls symbols added.
12296         (legitimize_address): Do nothing for PLUS expressions if one of the
12297         addends is a tls symbol reference.
12298
12299 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
12300
12301         PR bootstrap/25476
12302
12303         * Makefile.in (LDFLAGS): Define from autoconf substitution.
12304
12305         * Makefile.in (BOOTSTRAPPING): New.
12306         (quickstrap): New definition if BOOTSTRAPPING=yes.
12307
12308         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12309         * configure.ac: Substitute all_selected_languages with the languages
12310         that were configured.  For all the other variables except
12311         lang_specs_files, include all the languages in the tree.
12312         * configure: Regenerate.
12313
12314         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12315         if there is one.  Run the commands to run fixincludes in the same
12316         subshell.
12317
12318         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12319         * doc/install.texi: Document exact conventions for searching target tools.
12320         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
12321         something more about building an Ada cross-compiler.  Don't list GNU Make
12322         requirements which affect all platforms.
12323
12324 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12325
12326         PR middle-end/19543
12327         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12328         only equivalent if the have both the same mode and precision.
12329
12330 2006-02-20  Ben Elliston  <bje@au.ibm.com>
12331
12332         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12333
12334 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12335             Steven Bosscher  <stevenb.gcc@gmail.com>
12336
12337         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12338         constant pool references to identify stack mode constants.
12339         * rtlanal.c (constant_pool_constant_p): New predicate to check
12340         whether operand is a floating point constant in the pool.
12341         * rtl.h (constant_pool_constant_p): Prototype here.
12342         * loop.c (scan_loop): Avoid hoisting constants from the constant
12343         pool on STACK_REGS targets.
12344         (load_mems): Likewise.
12345         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12346         loads into x87 registers expensive in terms of register pressure.
12347
12348 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12349
12350         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12351         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12352
12353 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
12354
12355         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12356         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12357
12358 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
12359
12360         * doc/invoke.texi: Document -fipa-pta.
12361         * common.opt: Add ipa-pta option.
12362         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12363         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12364         (do_ds_constraint): Ditto.
12365         (get_constraint_for): Only add to referenced_vars if
12366         referenced_vars exists.
12367         (insert_into_field_list): Rewrite to do this unsorted.
12368         (insert_into_field_list_sorted): Rename old insert_into_field_list
12369         to this.
12370         (create_function_info_for): Use insert_into_field_list_sorted.
12371         (create_variable_info_for): Rewrite so it uses unsorted version,
12372         since the field list is sorted.
12373         (intra_create_variable_infos): Only add to referenced_vars if
12374         referenced_vars exists.
12375         (ipa_pta_execute): Init heapvars, and delete when done.
12376         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12377
12378 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12379
12380         * doc/install.texi: Add missing `@samp'.
12381
12382 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
12383
12384         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12385         Use the arguments.
12386
12387 2006-02-18  Mark Wielaard  <mark@klomp.org>
12388
12389         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12390         who added new 4.1 features, bug fixes and integration support.
12391
12392 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
12393
12394         PR target/26350
12395         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12396         MEM for ABI_V4 pic.
12397
12398 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
12399
12400         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12401         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12402         (copy_insn_1): Likewise.  Don't copy each field individually.
12403         Reindent.
12404         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12405         of RTX_SIZE.
12406         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12407         * rtl.c (rtx_size): Rename variable to...
12408         (rtx_code_size): ...this.
12409         (rtx_size): New function.
12410         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12411         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
12412         Reindent.
12413         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12414         * rtl.h (rtx_code_size): New variable.
12415         (rtx_size): Change from a variable to a function.
12416         (RTX_SIZE): Rename to...
12417         (RTX_CODE_SIZE): ...this.
12418
12419         PR target/9703
12420         PR tree-optimization/17106
12421         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12422         (Anchored Addresses): New section.
12423         * doc/invoke.texi (-fsection-anchors): Document.
12424         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12425         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12426         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12427         * hooks.c (hook_bool_mode_rtx_false): New function.
12428         * hooks.h (hook_bool_mode_rtx_false): Declare.
12429         * gengtype.c (create_optional_field): New function.
12430         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12431         SYMBOL_REF_IN_BLOCK_P is true.
12432         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12433         (min_anchor_offset, max_anchor_offset): Likewise.
12434         (use_anchors_for_symbol_p): New hook.
12435         * toplev.c (compile_file): Call output_object_blocks.
12436         (target_supports_section_anchors_p): New function.
12437         (process_options): Check that -fsection-anchors is only used on
12438         targets that support it and when -funit-at-a-time is in effect.
12439         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12440         if the decl doesn't have one.
12441         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12442         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12443         of force_const_mem through use_anchored_address.
12444         (expand_expr_constant): New function.
12445         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
12446         calling expand_expr for INDIRECT_REF.
12447         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12448         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
12449         * expr.h (use_anchored_address): Declare.
12450         * loop-unroll.c: Don't declare rtx vectors here.
12451         * explow.c: Include output.h.
12452         (validize_mem): Call use_anchored_address.
12453         (use_anchored_address): New function.
12454         * common.opt (-fsection-anchors): New switch.
12455         * varasm.c (object_block_htab, anchor_labelno): New variables.
12456         (hash_section, object_block_entry_eq, object_block_entry_hash)
12457         (use_object_blocks_p, get_block_for_section, create_block_symbol)
12458         (use_blocks_for_decl_p, change_symbol_section): New functions.
12459         (get_variable_section): New function, split out from assemble_variable.
12460         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12461         use_blocks_for_decl_p say so.  Use change_symbol_section if the
12462         symbol has already been created.
12463         (assemble_variable_contents): New function, split out from...
12464         (assemble_variable): ...here.  Don't output any code for
12465         block symbols; just pass them to place_block_symbol.
12466         Use get_variable_section and assemble_variable_contents.
12467         (get_constant_alignment, get_constant_section, get_constant_size): New
12468         functions, split from output_constant_def_contents.
12469         (build_constant_desc): Create a block symbol if use_object_blocks_p
12470         says so.  Or into SYMBOL_REF_FLAGS.
12471         (assemble_constant_contents): New function, split from...
12472         (output_constant_def_contents): ...here.  Don't output any code
12473         for block symbols; just pass them to place_section_symbol.
12474         Use get_constant_section and get_constant_alignment.
12475         (force_const_mem): Create a block symbol if use_object_blocks_p and
12476         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
12477         (output_constant_pool_1): Add an explicit alignment argument.
12478         Don't switch sections here.
12479         (output_constant_pool): Adjust call to output_constant_pool_1.
12480         Switch sections here instead.  Don't output anything for block symbols;
12481         just pass them to place_block_symbol.
12482         (init_varasm_once): Initialize object_block_htab.
12483         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12484         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12485         (place_block_symbol, get_section_anchor, output_object_block)
12486         (output_object_block_htab, output_object_blocks): New functions.
12487         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12488         (TARGET_ASM_OUT): Include it.
12489         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12490         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12491         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12492         (TARGET_INITIALIZER): Include them.
12493         * rtl.c (rtl_check_failed_block_symbol): New function.
12494         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
12495         (block_symbol, object_block): New structures.
12496         (rtx_def): Add a block_symbol field to the union.
12497         (BLOCK_SYMBOL_CHECK): New macro.
12498         (rtl_check_failed_block_symbol): Declare.
12499         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12500         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12501         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12502         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12503         * output.h (output_section_symbols): Declare.
12504         (object_block): Name structure.
12505         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12506         (default_use_anchors_for_symbol_p): Declare.
12507         * Makefile.in (RTL_BASE_H): Add vec.h.
12508         (explow.o): Depend on output.h.
12509         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12510         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12511         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12512         (rs6000_use_blocks_for_constant_p): New function.
12513
12514 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12515
12516         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12517
12518 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12519
12520         PR tree-opt/25680
12521         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12522         IMAGPART_EXPR.
12523
12524 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
12525
12526         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12527         is_aliased.
12528         Update all users.
12529
12530 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
12531
12532         PR middle-end/26334
12533         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12534         instead of DECL_REGISTER.
12535
12536 2006-02-18  Olivier Hainque  <hainque@adacore.com>
12537
12538         PR ada/13408
12539         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12540
12541 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12542
12543         PR target/24837
12544         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12545         * opth-gen.awk: Handle Var and InverseMask together.
12546         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12547         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12548         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12549         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12550         used together.
12551         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12552         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12553         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12554         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12555         LINUX_DYNAMIC_LINKER): Define.
12556         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12557         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12558         TARGET_GLIBC.
12559         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12560         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12561         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12562         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12563         (TARGET_C99_FUNCTIONS): Don't define.
12564         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12565         GLIBC_DYNAMIC_LINKER.
12566         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12567         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12568         GLIBC_DYNAMIC_LINKER64): Define.
12569         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12570         LINUX_DYNAMIC_LINKER64.
12571         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12572         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12573         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12574         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12575         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12576         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12577         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12578         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12579         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12580         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12581         and LINUX_DYNAMIC_LINKER32.
12582         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12583         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12584         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12585         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12586         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12587         TARGET_GLIBC.
12588         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12589         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12590         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12591         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12592         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12593         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12594         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12595         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12596         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12597         LINUX_DYNAMIC_LINKER): Define.
12598         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12599         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12600         GLIBC_DYNAMIC_LINKER64): Define.
12601         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12602         LINUX_DYNAMIC_LINKER64.
12603         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12604         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12605         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12606         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12607         LINUX_DYNAMIC_LINKER): Define.
12608         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12609         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12610         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12611         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12612         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12613         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12614         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12615         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12616         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12617         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12618         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12619         * doc/invoke.texi (-muclibc): Remove caveat about supported
12620         targets.
12621
12622 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12623
12624         * doc/cpp.texi (__TIMESTAMP__): Document.
12625
12626 2006-02-17  Roger Sayle  <roger@eyesopen.com>
12627
12628         PR middle-end/25600
12629         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12630         C is one less than the width of X (and related transformations).
12631         * simplify-rtx.c (simplify_unary_operation_1): Transform
12632         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12633         depending on STORE_FLAG_VALUE, were C is one less then the
12634         width of X.
12635
12636 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
12637
12638         Fix PR tree-optimization/26341
12639         * tree-ssa-operands.c (add_virtual_operand): Remove assert
12640         about NAME_MEMORY_TAG's.
12641
12642 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12643
12644         PR target/26255
12645         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12646         with hardware float support, and software float support.  Add fcpy
12647         alternative to hardware patterns.  Add alternatives to copy between
12648         general and floating-point registers to the 32-bit pattern.
12649         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12650         secondary reload to load a QI or HI mode constant into a floating
12651         point register.
12652         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12653         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12654
12655 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
12656
12657         PR target/26272
12658         * config/rs6000/darwin.md (load_macho_picbase_si): Add
12659         pc to the pattern.
12660         (load_macho_picbase_di): Likewise.
12661
12662 2006-02-16  Jeff Law  <law@redhat.com>
12663
12664         * tree-vrp.c (set_value_range_to_nonnegative): New function.
12665         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12666         (ssa_name_nonzero_p): Likewise.
12667         (get_value_range): Return NULL if VRP is not running.
12668         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12669         VRP routines do not discover a range.
12670         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12671         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12672         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12673         (tree_expr_nonnegative_p): Similarly.
12674         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12675         (restore_nonzero_vars_to_original_value): Remove.
12676         (unsafe_associative_fp_binop): Remove.
12677         (tree_ssa_dominator_optimize): Remove initialization and
12678         finalization of nonzero_vars and nonzero_vars_stack.
12679         (dom_opt_initialize_block): No longer push marker on
12680         nonzero_vars_stack.
12681         (dom_opt_finalize_block): No longer call
12682         restore_nonzero_vars_to_original_value.
12683         (record_equivalences_from_phis): No longer look for
12684         nonzero PHI arguments.
12685         (cprop_into_successor_phis): No longer propagate nonzero
12686         property into PHI arguments.  Lose unused argument.  Caller
12687         updated.
12688         (record_equivalences_from_stmt): No longer record nonzero
12689         values for SSA_NAMEs.
12690         (lookup_avail_expr): No longer use nonzero_vars.
12691
12692         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12693         for sizetype when sizetype is unsigned.
12694
12695 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
12696
12697         PR rtl-optimization/25603
12698         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12699         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12700         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12701         with new meaning of SETS.
12702
12703 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
12704
12705         PR target/20353
12706         PR target/24578
12707         PR target/24837
12708         * config/linux.opt: New file.
12709         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12710         LINUX_DYNAMIC_LINKER): Define.
12711         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12712         * config.gcc (*-*-linux*): Define extra_options.
12713         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12714         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12715         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12716         GLIBC_DYNAMIC_LINKER.
12717         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12718         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12719         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12720         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12721         * doc/invoke.texi (GNU/Linux Options): New section.
12722
12723 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12724
12725         * config/sparc/sparc.md (setjmp): Rewrite.
12726         (setjmp_32): Delete.
12727         (setjmp_64): Likewise.
12728
12729 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
12730
12731         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12732          previous change.
12733
12734 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
12735
12736         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12737         read-write uses.
12738
12739 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
12740
12741         PR rtl-optimization/26296
12742         * Makefile.in (loop-invariant.c): Add except.h dependency.
12743         * loop-invariant.c: Include except.h.
12744         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12745
12746 2005-02-16  Paul Brook  <paul@codesourcery.com>
12747
12748         * reload1.c (emit_reload_insns): Invalidate dead input registers used
12749         for reloads.
12750
12751 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
12752
12753         PR rtl-optimization/25636
12754         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12755         when deciding whether an insn is an initializing insn.
12756
12757 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
12758
12759         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12760         (tree_code_size): Ditto.
12761         * tree.h (struct tree_memory_tag): Remove parent_var.
12762         (struct tree_struct_field_tag): New.
12763         (SFT_OFFSET): New.
12764         (SFT_SIZE): New.
12765         (union tree_node): Add sft member.
12766         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12767         specially here.
12768         (create_sft): Add size and offset argument, set SFT_OFFSET and
12769         SFT_SIZE.
12770         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12771         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12772         * tree-flow-inline.h (get_subvar_at): Update for
12773         SFT_OFFSET/SFT_SIZE.
12774         (var_can_have_subvars): Ditto.
12775         (overlap_subvar): Ditto.
12776         * print-tree.c (print_node): Print out interesting things for
12777         SFT's.
12778         * tree-flow.h (struct subvar): Remove offset and size members.
12779         * tree-ssa-operands.c (get_expr_operands): Update for
12780         get_indirect_ref_operands changes.
12781         (get_indirect_ref_operands): Call add_virtual_operand instead of
12782         add_stmt_operand.  Only recurse on base var if requested.
12783         (access_can_touch_variable): New function.
12784         (add_stmt_operand): Split virtual operand handling into ...
12785         (add_virtual_operand): Here.  Add offset, size, and for_clobber
12786         arguments.  Prune alias sets.
12787         (add_call_clobber_ops): Call add_virtual_operand.
12788
12789 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
12790
12791         PR middle-end/26300
12792         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12793
12794         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12795         than TREE_CODE as index into omp_clause_num_ops array.
12796
12797 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
12798
12799         PR rtl-optimization/26184
12800         * modulo-sched.c (generate_reg_moves): Free bitmap vector
12801         uses_of_defs.
12802         * modulo-sched.c (sms_schedule): Free g_arr pointer.
12803         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12804         must_precede, must_follow and tobe_scheduled.
12805
12806         PR other/26147
12807         * opts.c (common_handle_option): Free new_option pointer.
12808         * df-core.c (df_analyze): Free postorder pointer.
12809
12810 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12811
12812         * Makefile.in: Fix the examples about the use of stamps
12813
12814 2006-02-15  Michael Matz  <matz@suse.de>
12815
12816         PR middle-end/22275
12817
12818         * stor-layout.c (layout_decl): Zero-width bitfields aren't
12819         influenced by maximum_field_alignment or DECL_PACKED.
12820         (update_alignment_for_field): Ditto.
12821         (place_field): Ditto.
12822         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12823         this behaviour.
12824
12825 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
12826
12827         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12828         (debug_flow_info): Pass it.
12829         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12830         * bb-reorder.c (reorder_basic_blocks): Likewise.
12831         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12832         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12833         * flow.c (life_analysis, recompute_reg_usage): Likewise.
12834         * gcse.c (gcse_main, bypass_jumps): Likewise.
12835         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12836         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12837         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12838         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12839         * rtl.h (dump_flow_info): Adjust prototype.
12840         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12841         * var-tracking.c (variable_tracking_main): Likewise.
12842         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12843         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12844         options.
12845
12846 2006-02-15  Marcin Dalecki <martin@dalecki.de>
12847
12848         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12849         construction.
12850
12851 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
12852
12853         PR tree-optimization/26209
12854         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12855         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12856         eh edges.
12857         * tree-cfg.c (replace_uses_by): Do not alter cfg.
12858
12859 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12860
12861         PR middle-end/23670
12862         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12863         (X,Y) and the corresponding symmetry related transformations.
12864         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12865         (X,Y) and its symmetry related transformations.
12866
12867 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12868
12869         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12870         and GEU.
12871
12872 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
12873
12874         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12875
12876 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12877
12878         PR bootstrap/26053
12879         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12880         support COMDAT group.
12881         * configure: Regenerate.
12882
12883 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12884
12885         PR middle-end/26279
12886         PR middle-end/26280
12887         PR middle-end/26283
12888         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12889
12890 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
12891
12892         Fix PR tree-optimization/26260
12893
12894         * doc/invoke.texi (max-fields-for-field-sensitive): Document
12895         param.
12896         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12897         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12898         * tree-ssa-structalias.c (create_variable_info_for): Use
12899         MAX_FIELDS_FOR_FIELD_SENSITIVE.
12900
12901 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
12902
12903         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12904         Document.
12905         * tree-ssa-loop-niter.c (number_of_iterations_ne,
12906         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12907         of the ending condition.
12908         * tree-ssa-loop-manip.c: Include params.h.
12909         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12910         tree_unroll_loop): New functions.
12911         * tree-pass.h (pass_loop_prefetch): Declare.
12912         * loop.c (rest_of_handle_loop_optimize): Test for
12913         -fprefetch-loop-arrays-rtl.
12914         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12915         * timevar.def (TV_TREE_PREFETCH): New timevar.
12916         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12917         pass_loop_prefetch): New.
12918         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12919         (cleanup_tree_cfg_loop): Call scev_reset.
12920         * common.opt (fprefetch-loop-arrays-rtl): Add.
12921         * tree-ssa-loop-prefetch.c: New file.
12922         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12923         (new_temp_expr_table): Initialize expr_vars.
12924         (free_temp_expr_table): Cleanup expr_vars.
12925         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12926         expressions from being merged into one.
12927         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12928         (struct tree_niter_desc): Add control, bound and cmp fields.
12929         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12930         Declare.
12931         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12932         (tree-cfgcleanup.o): Add SCEV_H dependency.
12933         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12934         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12935
12936 2006-02-14  Richard Guenther  <rguenther@suse.de>
12937
12938         PR tree-optimization/26258
12939         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12940         in PHI argument processing.
12941
12942 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
12943
12944         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12945         new expression in the requested machine mode.
12946
12947 2006-02-13  Roger Sayle  <roger@eyesopen.com>
12948
12949         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12950         directly, instead let do_compare_rtx_and_jump handle this for us.
12951         * expr.c (expand_expr_real_1): Likewise.
12952         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
12953         before do_jump_by_parts_greater.
12954         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12955         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12956
12957 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12958
12959         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12960
12961 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
12962
12963         PR rtl-optimization/26235
12964         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12965         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
12966         format.
12967
12968 2006-02-13  Jeff Law  <law@redhat.com>
12969
12970         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12971         TRUTH_XOR_EPR.
12972
12973 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
12974
12975         PR middle-end/26092
12976         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12977         twice if decl is a builtin.  When trying again, call get_callee_fndecl
12978         first to verify it is still a builtin.
12979
12980 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
12981
12982         * dwarf2out.c (base_type_die): Don't add AT_name here.
12983         (subrange_type_die): Don't add AT_name here.
12984         (modified_type_die): Rearrange code flow.  Do add AT_name here.
12985
12986 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
12987
12988         PR rtl-optimization/26247
12989         PR rtl-optimization/26248
12990         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12991
12992 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
12993
12994         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12995         * config/fixtfdi.c: Likewise.
12996         * config/fixunstfdi.c: Likewise.
12997         * config/floatditf.c: Likewise.
12998
12999 2006-02-13  Roger Sayle  <roger@eyesopen.com>
13000
13001         PR middle-end/24427
13002         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13003         into (X,C2) if C1 is a subset of the bits of C2.  Transform
13004         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
13005         (X&(C1&~C2))|C2.
13006         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13007
13008 2006-02-13  Josh Conner  <jconner@apple.com>
13009
13010         PR target/25376
13011         * varasm.c (function_section): Check for section name before
13012         calling select_section on targets that define
13013         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
13014         unlikely_text_section instead of hot_function_section if
13015         first_function_block_is_cold.
13016
13017 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
13018
13019         PR middle-end/25335
13020         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13021
13022 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13023
13024         PR rtl-optimization/26222
13025         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13026         after tree->rtl expansion.
13027         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13028         before passing it to emit_move_insn.
13029
13030 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13031
13032         * doc/invoke.texi (-Write-strings): Document that it is enabled by
13033         default.
13034         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13035         Clarify documentation.
13036         * c-common.h (warn_write_strings): Remove.
13037         * c-common.c (warn_write_strings): Likewise.
13038         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13039         default for C++.
13040
13041 2006-02-12  Roger Sayle  <roger@eyesopen.com>
13042
13043         PR middle-end/25724
13044         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13045         (do_jump_parts_zero_rtx): New function renamed from
13046         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
13047         (do_jump_parts_equality_rtx): New function split out from
13048         do_jump_parts_equality.  Old implementation renamed as above.
13049         Call do_jump_parts_zero_rtx if either operand is zero.
13050         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13051         do all of the heavy lifting.
13052         (do_compare_rtx_and_jump): Handle multi-word comparisons by
13053         calling either do_jump_by_parts_greater_rtx or
13054         do_jump_by_parts_equality_rtx.
13055         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13056         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13057         moved to do_compare_rtx_and_jump, call it directly.
13058         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
13059         mode argument.  Call do_compare_rtx_and_jump.
13060         (emit_case_nodes): Update calls to do_jump_if_equal.
13061
13062 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13063
13064         PR rtl-optimization/26225
13065         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13066
13067 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13068
13069         PR rtl-optimization/26232
13070         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13071
13072 2006-02-11  Jason Merrill  <jason@redhat.com>
13073
13074         PR tree-opt/24365
13075         * tree-inline.c (declare_return_variable): Just don't use the
13076         modify target if it's a gimple complex reg and the return slot
13077         isn't.
13078
13079 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13080
13081         * doc/contrib.texi: Update my entry.
13082
13083 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
13084
13085         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13086
13087 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
13088
13089         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13090         expensive.
13091
13092 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
13093
13094         * doc/invoke.texi (-floop-optimize2): Removed.
13095         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13096         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13097         Test flag_branch_on_count_reg only if HAVE_doloop_end.
13098         * common.opt (floop-optimize2): Removed.
13099         (fmove-loop-invariants): Enabled by default.
13100
13101 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
13102
13103         * tree-if-conv.c (combine_blocks): Free the result of
13104         get_loop_exit_edges.
13105
13106 2006-02-10  Jeff Law  <law@redhat.com>
13107
13108         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13109
13110         PR tree-optimization/26213
13111         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13112         loop trying to follow SSA_NAME_VALUE chains.
13113
13114 2006-02-10  Richard Guenther  <rguenther@suse.de>
13115
13116         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13117         deal with structures that end in implicitly variable sized arrays.
13118
13119 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13120
13121         PR rtl-optimization/24762
13122         * df-scan.c (df_bb_refs_record): Record correct registers defined on
13123         eh edges.
13124
13125 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13126
13127         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13128         (struct ivopts_data): Add regs_used field.
13129         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13130         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13131         instead of loop_data->regs_used;
13132         (free_loop_data): Do not free aux fields for loops.
13133         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13134         and tree_ssa_iv_optimize_finalize.
13135
13136 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
13137
13138         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13139
13140 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13141
13142         PR target/26141
13143         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13144         computing the effective result type.
13145
13146 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13147
13148         PR inline-asm/16194
13149         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13150         (tree_overlaps_hard_reg_set): Declare.
13151         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
13152         type and signature to match function type expected by walk_tree.
13153         (tree_overlaps_hard_reg_set): New function.
13154         (decl_conflicts_with_clobbers_p): Rename to:
13155         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
13156         Use tree_overlaps_hard_reg_set.  Changed caller.
13157         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13158         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13159         * cris.c (cris_md_asm_clobbers): Likewise.
13160
13161 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
13162
13163         * reload1.c (emit_input_reload_insns): Delete code that tries to
13164         inherit using find_equiv_reg.
13165
13166 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13167
13168         * c-common.h (flag_const_strings): Don't declare.
13169         * c-common.c (flag_const_strings): Remove.
13170         * c.opt (fconst_strings): Remove.
13171         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13172         <OPT_Wwrite_strings>: Don't set flag_const_strings.
13173         (c_common_init_options): Don't set flag_const_strings.
13174         * doc/invoke.texi (-fno-const-strings): Remove documentation.
13175
13176 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
13177
13178         * arm.md (tlobits_cbranch): New pattern.
13179         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13180         testing a single bit.
13181
13182 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13183
13184         PR tree-opt/26179
13185         * tree-ssa-pre.c (create_component_ref_by_pieces):
13186         Handle RETURN_DECL like VAR_DECL.
13187
13188 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13189
13190         PR middle-end/26134
13191         * fold-const.c (fold_indirect_ref_1): Fold
13192         "*(foo *)&complexfoo" to "__real__ complexfoo"
13193         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13194
13195 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13196
13197         * tree-flow-inline.h (var_can_have_subvars):
13198         Volatile variables should not have subvariables.
13199
13200 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
13201
13202         PR 26180
13203         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13204         multiplying unsigned values.
13205         Tidy comments.
13206
13207 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
13208
13209         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13210
13211 2006-02-08  Jason Merrill  <jason@redhat.com>
13212
13213         PR c++/25979
13214         * tree.def: Elaborate on difference from MODIFY_EXPR.
13215         * doc/c-tree.texi (INIT_EXPR): Likewise.
13216         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13217         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13218         (gimplify_target_expr): Likewise.
13219         (gimplify_cond_expr): Remove target handling.
13220         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13221         (gimplify_expr): Clobber it here.
13222         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13223         Do return slot optimization if we have an INIT_EXPR.
13224
13225         PR tree-opt/24365
13226         * tree-inline.c (declare_return_variable): Also clear
13227         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13228
13229         PR c++/16405
13230         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13231
13232         PR middle-end/22439
13233         * gimplify.c (gimplify_one_sizepos): Fix typo.
13234
13235 2006-02-08  Jeff Law  <law@redhat.com>
13236
13237         PR tree-optimization/21417
13238         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13239         across a backedge if the control statement at the end of the
13240         block is data dependent on other statements in the same block.
13241         (record_temporary_equivalences_from_stmts): Remove over-conservative
13242         test for threading across backedges.
13243
13244         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13245         control statement, handle all three special cases in the same
13246         manner as they all have the same desired solution.  No longer
13247         special case edge flag updating when the post dominator is
13248         the exit block.
13249
13250 2006-02-08  Roger Sayle  <roger@eyesopen.com>
13251
13252         * tree.def (CHAR_TYPE): Remove.
13253         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13254         * dwarf2out.c (base_type_die, is_base_type): Likewise.
13255         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13256         (gen_string_type_die): Delete unreachable function.
13257
13258         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13259         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13260         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13261         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13262         * builtins.c (type_to_class): Likewise.
13263         * fold-const.c (fold_convert, build_range_check,
13264         merge_ranges): Likewise.
13265         * expr.c (count_type_elements): Likewise.
13266         * c-pretty-print.c (pp_c_type_specifier): Likewise.
13267         * stor-layout.c (layout_type): Likewise.
13268         * ipa-type-escape.c (type_to_consider): Likewise.
13269         * gimplify.c (omp_firstprivatize_type_sizes,
13270         gimplify_type_sizes): Likewise.
13271         * explow.c (promote_mode): Likewise.
13272         * tree-sra.c (is_sra_scalar_type): Likewise.
13273         * varasm.c (output_constant): Likewise.
13274         * tree-inline.c (remap_type_1): Likewise.
13275         * convert.c (convert_to_pointer, convert_to_real,
13276         convert_to_integer, convert_to_complex): Likewise.
13277
13278 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
13279
13280         * df-scan.c (df_def_record_1): A set destination may
13281         be a parallel regardless of mode.
13282
13283 2006-02-08  Roger Sayle  <roger@eyesopen.com>
13284
13285         PR target/22209
13286         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13287         * config/mips/_tilib.c: Remove.
13288         * config/fixtfdi.c: New libgcc source file.
13289         * config/fixunstfdi.c: New source file.
13290         * config/floatditf.c: New source file.
13291         * config/floatunditf.c: New souce file.
13292         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13293         files above instead of config/mips/_tilib.c.
13294         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13295
13296 2006-02-08  Jeff Law  <law@redhat.com>
13297
13298         PR tree-optimization/26169
13299         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13300         threading jumps.
13301
13302 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
13303
13304         * df.h (DF_REG_SIZE): Return the length of the initialized
13305         part of the array.
13306
13307 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
13308
13309         * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13310         __muldf3): Return a correctly signed zero.
13311
13312 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
13313
13314         * passes.c (register_one_dump_file): Accept the current properties
13315         instead of pass number.  Adjust call to dump_register.  Remove
13316         duplicated code.
13317         (register_dump_files): Now a wrapper around...
13318         (register_dump_files_1): ... this one.  Do not modify the pass
13319         structure.
13320         (next_pass_1): Cosmetic fix.
13321         (execute_todo): Keep second parameter only.  Use curr_properties
13322         instead of fetching it from the pass structure.  Check and set
13323         last_verified.
13324         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
13325         instead of fetching it from the pass structure.  Fix calls to
13326         execute_todo.  Update curr_properties and initialize .vcg RTL dump
13327         after running the pass.  Reset last_verified.
13328         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
13329         at the beginning.
13330         (FIRST_AUTO_NUMBERED_DUMP): New.
13331         (dump_register): Remove "num" parameter, assign it within the
13332         function.
13333         (get_dump_file_name): Modify template for dumps.
13334         * tree-dump.h (dump_register): Adjust prototype.
13335         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13336         (PROP_trees): Add PROP_gimple_lomp.
13337         (TODO_set_props): New.
13338         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13339         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13340         * cfgexpand.c (pass_expand): Destroy PROP_trees.
13341
13342 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
13343
13344         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13345         (sparc64-*-linux*): Likewise.
13346         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13347         * config/sparc/t-linux: New file.
13348         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13349         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13350         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13351         -m32 -mlong-double-128.
13352
13353         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13354         * config/alpha/t-linux: New file.
13355         * config/alpha/libgcc-alpha-ldbl.ver: New file.
13356
13357         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13358         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13359         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13360         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13361         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13362         (CPP_ARCH32_SPEC): Remove.
13363
13364 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
13365
13366         PR tree-optimization/26145
13367         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13368         bbs pointer.
13369
13370 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13371
13372         PR target/26109
13373         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13374         >= 240000 when generating code for SOM runtime.
13375         (output_indirect_call): Don't use "b,l" instruction for indirect calls
13376         to $$dyncall when generating code for SOM runtime..
13377
13378 2006-02-07  Dirk Mueller  <dmueller@suse.com>
13379
13380         PR c++/18150
13381         * doc/invoke.texi (-Wsequence-point): Update documentation
13382         that -Wsequence-point is implemented for C++ as well.
13383
13384 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13385
13386         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13387         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13388         (LIB_SPEC): Likewise.
13389         * doc/invoke.texi (SPARC options): Document -pthread.
13390
13391 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
13392
13393         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13394         PIC addresses.
13395
13396 2006-02-07  Roger Sayle  <roger@eyesopen.com>
13397
13398         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13399         Correct comment describing BOOLEAN_TYPE.
13400
13401 2006-02-07  Dirk Mueller  <dmueller@suse.com>
13402
13403         * c.opt: C++ frontend supports -Wdiv-by-zero.
13404         * c-opts.c (c_common_handle_option): Remove dead case.
13405
13406 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13407
13408         * configure.ac (TLS assembler check): Do not enable TLS by
13409         default on SPARC/Solaris before version 10.
13410         * configure: Regenerate.
13411
13412 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
13413
13414         * doc/invoke.texi (xl-compat): Document conversion and support
13415         routine names.
13416
13417 2006-02-07  Jeff Law  <law@redhat.com>
13418
13419         * tree-vrp.c (find_conditional_asserts): Update comments.
13420         (simplify_stmt_for_jump_threading): New.
13421         (identify_jump_threads, finalize_jump_threads): New.
13422         (vrp_finalize): Call identify_jump_threads.
13423         (execute_vrp): Call finalize_jump_threads.
13424         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13425         (vrp_element, vrp_data, vrp_element_p): Remove.
13426         (vrp_hash_elt, vrp_variables_stack): Remove.
13427         (vrp_hash, vrp_eq, record_range): Remove.
13428         (simplify_cond_and_lookup_avail_expr): Remove.
13429         (extract_range_from_cond): Remove.
13430         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13431         (simplify_stmt_for_jump_threading): New.
13432         (dom_thread_across_edge): New wrapper.
13433         (tree_ssa_dominator_optimize): No longer initialize or
13434         finalize any of the VRP datastructures.  Remove iteration
13435         step and simplify as a result of removal of iteration step.
13436         (pass_dominator): Perform a cfg cleanup after DOM.
13437         (dom_opt_finalize_block): Use the new common routines
13438         for threading jumps.  Simplify stack management slightly.
13439         No longer need to unwind VRP state.
13440         (record_equivalences_from_incoming_edge): No longer record
13441         VRP information.
13442         (eliminate_redundant_computations): No longer call
13443         simplify_cond_and_lookup_avail_expr.
13444         * tree-flow.h (potentially_threadable_block): Prototype.
13445         (thread_across_edge): Likewise.
13446         * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13447         (tree-ssa-threadedge.o): Add dependencies.
13448         * tree-ssa-threadedge.c: New file.
13449         * passes.c (init_optimization_passes): Merge PHIs before
13450         calling VRP.  Run VRP again late in the SSA optimization pipeline.
13451
13452 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13453
13454         * df-core.c (df_set_blocks): Do not dereference function pointers.
13455         (df_finish1): Likewise.
13456         (df_hybrid_search_forward): Likewise.
13457         (df_hybrid_search_backward): Likewise.
13458         (df_iterative_dataflow): Likewise.
13459         (df_analyze_problem): Likewise.
13460         (df_compact_blocks): Likewise.
13461         (df_dump): Likewise.
13462         * df-scan.c (df_rescan_blocks): Likewise.
13463         (df_record_entry_block_defs): Likewise.
13464
13465         * genconditions.c (write_conditions): Guard the definition of
13466         'insn_conditions' with the check on GCC version.
13467         (write_writer): Guard the traversal 'insn_conditions' with
13468         the check on GCC version.
13469
13470 2006-02-07  Richard Guenther  <rguenther@suse.de>
13471
13472         PR c++/26140
13473         Revert
13474         2006-01-30  Richard Guenther  <rguenther@suse.de>
13475         PR c++/23372
13476         * gimplify.c (gimplify_target_expr): Handle easy cases
13477         without creating a temporary.
13478
13479 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
13480
13481         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13482         use of float in probability computations.  Use edge probabilities
13483         in place of statically computed probabilities.
13484         (min_spec_prob): New static variable.
13485         (schedule_insns): Initialize it.
13486         (GET_SRC_PROB): Removed.
13487         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13488
13489 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
13490
13491         PR debug/24444
13492         * config/ia64/unwind-ia64.c: Revert last change.
13493         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13494         (INCOMING_FRAME_SP_OFFSET): Define.
13495
13496 2006-02-06  Roger Sayle  <roger@eyesopen.com>
13497
13498         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13499
13500 2006-02-07  Ben Elliston  <bje@au.ibm.com>
13501
13502         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13503         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13504         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13505         (ix86_return_in_memory): Handle TDmode.
13506         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13507         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13508
13509 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
13510
13511         * reorg.c (dbr_schedule): Use dump_file instead of file.
13512
13513 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
13514
13515         PR target/25917
13516         * config/ia64/predicates.md (extr_len_operand): New predicate.
13517         * config/ia64/ia64.md (extv): Tighten constraints.
13518         (extzv): Ditto.
13519         (*tbit_and_2): Ditto.
13520         (*tbit_and_3): Ditto.
13521         (*tbit_or_2): Ditto.
13522         (*tbit_or_3): Ditto.
13523         (*bit_zero): Ditto.
13524         (*bit_one): Ditto.
13525
13526 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
13527
13528         PR target/23359
13529         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13530
13531 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
13532
13533         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13534         loop_optimizer_init and loop_optimizer_finalize
13535         * tree-ssa-sink.c (execute_sink_code): Ditto.
13536         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13537         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13538         tree_ssa_loop_done): Ditto.
13539         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13540         * sched-ebb.c: Include output.h.
13541         (schedule_ebbs): Do not use dump argument.
13542         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13543         * loop.c (loop_dump_stream): Removed.
13544         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13545         argument.
13546         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13547         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13548         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13549         loop_iterations, strength_reduce, record_biv, record_giv,
13550         final_giv_value, check_final_value, check_ext_dependent_givs,
13551         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13552         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13553         dump_file instead of loop_dump_stream.
13554         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13555         argument dump_file.
13556         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13557         dump argument.
13558         * flow.c (life_analysis, rest_of_handle_life): Ditto.
13559         * haifa-sched.c: Include output.h
13560         (schedule_insns, sched_init): Do not use dump argument.
13561         * mode-switching.c (optimize_mode_switching): Ditto.
13562         * modulo-sched.c (stats_file): Removed.
13563         (print_node_sched_params): Do not call argument dump_file.
13564         (sms_schedule_by_order, loop_canon_p, sms_schedule,
13565         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
13566         of stats_file.
13567         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13568         use dump argument.
13569         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13570         rtl_loop_init, rtl_loop_done): Ditto.
13571         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13572         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13573         Ditto.
13574         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13575         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13576         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13577         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13578         * emit-rtl.c (renumber_insns): Ditto.
13579         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13580         expand_gimple_basic_block, tree_expand_cfg): Ditto.
13581         * regclass.c (regclass): Ditto.
13582         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13583         remove_ssa_form, rewrite_out_of_ssa): Ditto.
13584         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13585         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13586         Ditto.
13587         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13588         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13589         to regclass.
13590         * gcse.c (gcse_file, debug_stderr): Removed.
13591         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13592         rest_of_handle_gcse): Do not use dump argument.
13593         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13594         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13595         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13596         compute_code_hoist_vbeinout, compute_code_hoist_data,
13597         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13598         compute_store_table, build_store_vectors, insert_insn_start_bb,
13599         insert_store, remove_reachable_equiv_notes, replace_store_insn,
13600         store_motion): Use dump_file instead of gcse_file.
13601         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13602         * profile.c (profile_dump_file): Removed.
13603         (branch_prob): Use dump_file instead of profile_dump_file.
13604         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13605         dump_file.
13606         * tree-ssa-copy.c (dump_copy_of): Ditto.
13607         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13608         dump file to life_analysis.
13609         * bt-load.c (branch_target_load_optimize): Ditto.
13610         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13611         renumber_insns.
13612         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13613         regclass, dbr_schedule): Declaration changed.
13614         * sched-int.h (sched_init): Declaration changed.
13615         * tree-profile.c (tree_profile_dump_file): Removed.
13616         (tree_profile_hooks): Removed profile_dump_file hook.
13617         * rtl-profile (rtl_profile_dump_file): Removed.
13618         (rtl_profile_hooks): emoved profile_dump_file hook.
13619         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13620         changed.
13621         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13622         * tree-cfg.c (build_tree_cfg): Ditto.
13623         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13624         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13625         Declaration changed.
13626         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13627         life_analysis and schedule_insns.
13628         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13629         life_analysis.
13630         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13631         dbr_schedule.
13632         * config/mips/mips.c (mips_reorg): Ditto.
13633         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13634         schedule_ebbs.
13635
13636 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
13637
13638         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13639         (s390_mangle_fundamental_type): New.
13640         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13641         Define.
13642
13643         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13644         (alpha_mangle_fundamental_type): New.
13645         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13646         Define.
13647
13648         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13649         Define.
13650         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13651         Define.
13652         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13653         (sparc_mangle_fundamental_type): New.
13654
13655 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
13656
13657         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13658         (s390x-*-linux*): Likewise.
13659         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13660         * config/s390/t-linux: New file.
13661
13662 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
13663
13664         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13665         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13666
13667 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
13668
13669         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13670         (ANTIC_SAFE_LOADS): New macro.
13671         (find_or_generate_expression): Add prototype.
13672         (set_contains_value): Allow null set for sake of not always having
13673         to allocate ANTIC_SAFE_LOADS.
13674         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13675         Allow COMPONENT_REF too.
13676         (valid_in_set): Allow COMPONENT_REF.
13677         Check ANTIC_SAFE_LOADS too.
13678         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13679         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13680         rename.
13681         (can_PRE_operation): Add COMPONENT_REF.
13682         (create_component_ref_by_pieces): New function.
13683         (create_expression_by_pieces): Use create_component_ref_by_pieces.
13684         (insert_aux): Move AGGREGATE_TYPE_P check here.
13685         (compute_avail): Set bb local stmt uids.
13686         (pass_pre): Use TODO_update_ssa_only_virtuals.
13687
13688 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13689
13690         * configure.ac: Unconditionally disable decimal float by default.
13691         * configure: Regenerate.
13692
13693 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13694
13695         * read-rtl.c (read_name): Terminate reading on EOF.
13696
13697 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13698
13699         * dfp.c (decimal_real_arithmetic): Change second argument type
13700         from int to enum tree_code. Do not always return true, but now
13701         return result of any call to decimal_do helper functions.
13702         * dfp.h (decimal_real_arithmetic): Update prototype.
13703
13704 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
13705
13706         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13707
13708 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
13709
13710         PR tree-opt/25251
13711         * tree-cfg.c (cleanup_dead_labels): Also don't remove
13712         forced labels.
13713
13714 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
13715
13716         * tree-vrp.c (cfg_loops): Removed.
13717         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13718         Use current_loops instead of cfg_loops.  Pass flags to
13719         loop_optimizer_init.
13720         * cfgloopmanip.c (fix_loop_structure): Update only available
13721         information.
13722         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13723         loop_optimizer_init.
13724         * modulo-sched.c (build_loops_structure): Removed.
13725         (sms_schedule): Use loop_optimizer_init.
13726         * loop-init.c (loop_optimizer_init): Use flags to determine
13727         which properties of loops to prepare.
13728         (rtl_loop_init): Pass flags to loop_optimizer_init.
13729         * tree-ssa-sink.c (execute_sink_code): Ditto.
13730         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13731         * tree-ssa-pre.c (init_pre): Ditto.
13732         * cfgloop.h (LOOPS_NORMAL): New.
13733         (loop_optimizer_init): Declaration changed.
13734
13735 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13736
13737         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13738         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13739         pa/t-pa.
13740         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13741         pa/t-pa.
13742         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13743         pa/x-ada.
13744         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13745         * pa/t-pa64: Delete quadlib.c rule.
13746         * pa/x-ada: Revert last change.
13747         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
13748
13749 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
13750
13751         PR rtl-optimization/26087
13752         * rtlanal.c (canonicalize_condition): Do not cross basic block
13753         boundaries.
13754
13755 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
13756
13757         PR debug/24444
13758         * config/ia64/ia64.c: Include debug.h.
13759         (MAX_ARTIFICIAL_LABEL_BYTES): New.
13760         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13761         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13762         (process_epilogue, process_set, process_for_unwind_directive):
13763         Output unwind info only if requested.  Add CFA info if requested.
13764         Add new arguments as needed.  Adjust callers.
13765         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13766         incorrect default.
13767         (DWARF2_FRAME_INFO): Define to zero.
13768         * config/ia64/unwind-ia64.c: Remove code that compensated for
13769         the CFA offset error fixed above.
13770         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13771         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13772         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13773         -funwind-tables and -fexceptions to enable frame info.
13774         (dwarf2out_frame_init): Define initial CFA even if
13775         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
13776         DWARF2_UNWIND_INFO is nonzero, not just defined.
13777         (dwarf2out_frame_finish): Output non-EH call frame info only
13778         if DWARF2_FRAME_INFO is nonzero.
13779         (convert_cfa_to_loc_list,
13780         compute_frame_pointer_to_cfa_displacement): Define even if
13781         unwind info is not supported.
13782         (gen_subprogram_die): Use the above unconditionally.  Remove
13783         legacy alternate code.
13784         * toplev.c (compile_file): Compile in call to
13785         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13786         (lang_dependent_init): Ditto for dwarf2out_frame_init.
13787
13788 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
13789             Jakub Jelinek  <jakub@redhat.com>
13790
13791         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13792         IBM extended float format long double as "g" on powerpc*-linux.
13793
13794 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13795
13796         PR target/25926
13797         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13798         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13799
13800 2006-02-03  Jason Merrill  <jason@redhat.com>
13801
13802         PR c++/25979
13803         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13804
13805         PR middle-end/25977
13806         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13807         on the return slot if it's an NRV.
13808
13809 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
13810
13811         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13812         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13813         rewrite_use): Do not handle USE_OUTER.
13814         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13815         add_iv_outer_candidates, may_replace_final_value,
13816         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13817         (find_interesting_uses_op): Functionality of
13818         find_interesting_uses_outer_or_nonlin moved here.
13819         (find_interesting_uses_outside): Use find_interesting_uses_op.
13820
13821 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
13822
13823         PR target/25960
13824         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13825
13826 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
13827             Ulrich Weigand  <uweigand@de.ibm.com>
13828
13829         PR target/25864
13830         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13831         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13832         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13833         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13834         and dxr fields.
13835         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13836         (s390_rtx_costs): Use the new fields to calculate rtx costs.
13837         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13838         Define secondary reloads for TFmode moves.
13839         (constant_modes): Add TFmode.
13840         (NR_C_MODES): Set to 8.
13841         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13842         builtin define.
13843         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13844         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13845         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13846         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13847         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13848         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13849         (FPR mode macro): Add TFmode.
13850         (DSF mode macro): New.
13851         (<de>, <dee> mode attributes): Removed.
13852         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13853         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13854         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13855         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13856         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13857         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13858         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13859         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13860         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13861         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13862         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13863         "*negabs<mode>2", "sqrt<mode>2"):
13864         Changed <de> to <xde>. R constraint replaced by <Rf>.
13865         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13866         <Rf>.
13867         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13868         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13869         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13870         splitters.
13871         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13872         "extenddftf2", "extendsftf2"): New expanders.
13873         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13874         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13875         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13876         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13877         New options.
13878         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13879         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13880         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13881         __floatditf): Add a GCC_4.1.0 symbol version tag.
13882         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13883         the new options.
13884
13885 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
13886
13887         PR target/25377
13888         * config/i386/i386.c (ix86_function_ok_for_sibcall):
13889         Use targetm.binds_local_p instead of TREE_PUBLIC.
13890
13891 2006-02-02  Roger Sayle  <roger@eyesopen.com>
13892
13893         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13894         on INTEGER_TYPEs to indicate that it denotes a character type.
13895         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13896         signed_char_type_node, unsigned_char_type_node and char_type_node.
13897         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13898         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
13899         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13900
13901 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
13902             Daniel Berlin  <dberlin@dberlin.org>
13903
13904         * tree-tailcall.c (arg_needs_copy_p): New function.
13905         (eliminate_tail_call): Use arg_needs_copy_p.
13906         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13907         (add_virtual_phis): New function.
13908
13909 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
13910
13911         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13912         #ignore instead of #scratch for %g7 .register directive.
13913
13914 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
13915
13916         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13917         object files.
13918
13919 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
13920
13921         * flow.c (calculate_global_regs_live): Assert that there aren't any
13922         EDGE_FAKE edges.
13923
13924 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
13925
13926         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13927         what its name says.
13928         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13929         bsi_after_labels iterator.
13930         * tree-if-conv.c (find_phi_replacement_condition,
13931         replace_phi_with_cond_modify_expr): Likewise.
13932         * tree-scalar-evolution.c (scev_const_prop): Likewise.
13933         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13934
13935 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
13936
13937         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13938
13939 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
13940
13941         PR 25990
13942         * tree-cfg.c (move_block_to_fn): Clear out the basic block
13943         array after growing it.
13944
13945 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
13946
13947         PR middle-end/24901
13948         * fold-const.c (fold_checksum_tree): Change type of buf.
13949
13950 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
13951
13952         * reload.c (push_secondary_reload): Initialize t_icode.
13953
13954 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
13955
13956         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13957         -msoft-float -mlong-double-128 only issue a warning, but don't
13958         swich to DFmode long double.
13959
13960 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
13961
13962         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13963         has a constant equivalent, iterate over equivalents for arg0,
13964         calling simplify_relational_operation and if there's a result
13965         cheaper than X, apply fold_rtx and return the result.
13966
13967 2006-02-01  Jan Hubicka  <jh@suse.cz>
13968
13969         * opts.c (no_unit_at_a_time_default): New global variable.
13970         (decode_options): Use it.
13971         * opts.h (no_unit_at_a_time_default): Declare.
13972
13973 2006-02-01  Paul Brook  <paul@codesourcery.com>
13974
13975         * function.c (assign_parm_setup_reg): Use function argument promotion
13976         rules.
13977         * expr.c (expand_expr_real_1): Use function argument promotion rules
13978         for PARM_DECLs.
13979
13980 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
13981
13982         * gcc.c (process_command): Change j to 'unsigned int'.
13983
13984 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13985
13986         PR middle-end/26001
13987         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13988         Use the corrected index for the character
13989         out of the string constant.
13990
13991 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13992
13993         * mode-switching.c (optimize_mode_switching): Fix size
13994         allocated for bb_info[n_entities].
13995
13996 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13997
13998         * gcc.c (main): Correct type that is allocated for
13999         explicit_link_files.
14000
14001 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
14002
14003         * config/s390/s390.c (init_alignment_context): Set
14004         ALIAS_SET_MEMORY_BARRIER on the MEM.
14005         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14006
14007 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
14008
14009         PR middle-end/25933
14010         * loop-unroll.c (unroll_loop_runtime_iterations): Free
14011         dom_bbs pointer.
14012         * tree-ssa-live.c (type_var_init): Allocate bitmap after
14013         call to tpa_init.
14014
14015 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
14016
14017         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14018         * regrename.c: Ditto.
14019         * tree-ssa-loop-im.c: Ditto.
14020         * tree-dump.c: Ditto.
14021         * tree-complex.c: Ditto.
14022         * genrecog.c: Ditto.
14023         * tree-ssa-threadupdate.c: Ditto.
14024         * tracer.c: Ditto.
14025         * java/class.c: Ditto.
14026         * java/jcf-parse.c: Ditto.
14027         * java/resource.c: Ditto.
14028         * java/except.c: Ditto.
14029         * java/jvspec.c: Ditto.
14030         * java/jcf-write.c: Ditto.
14031         * java/jcf-path.c: Ditto.
14032         * java/gjavah.c: Ditto.
14033         * java/zextract.c: Ditto.
14034         * java/jcf-io.c: Ditto.
14035         * java/jcf.h: Ditto.
14036         * java/buffer.c: Ditto.
14037         * java/lang.c: Ditto.
14038         * java/parse-scan.y: Ditto.
14039         * java/lex.c: Ditto.
14040         * java/lex.h: Ditto.
14041         * cfgloopmanip.c: Ditto.
14042         * postreload-gcse.c: Ditto.
14043         * tree-ssa-loop-manip.c: Ditto.
14044         * postreload.c: Ditto.
14045         * tree-ssa-loop-ch.c: Ditto.
14046         * loop.c: Ditto.
14047         * ipa-cp.c: Ditto.
14048         * cppspec.c: Ditto.
14049         * diagnostic.c: Ditto.
14050         * final.c: Ditto.
14051         * genoutput.c: Ditto.
14052         * gcc.c: Ditto.
14053         * cfghooks.c: Ditto.
14054         * cfgloopanal.c: Ditto.
14055         * objc/objc-act.c: Ditto.
14056         * gcov.c: Ditto.
14057         * genextract.c: Ditto.
14058         * genautomata.c: Ditto.
14059         * pretty-print.c: Ditto.
14060         * genemit.c: Ditto.
14061         * cgraphunit.c: Ditto.
14062         * flow.c: Ditto.
14063         * df-scan.c: Ditto.
14064         * haifa-sched.c: Ditto.
14065         * dominance.c: Ditto.
14066         * dbxout.c: Ditto.
14067         * tree-ssa-loop-ivopts.c: Ditto.
14068         * df-core.c: Ditto.
14069         * mode-switching.c: Ditto.
14070         * modulo-sched.c: Ditto.
14071         * graph.c: Ditto.
14072         * ipa-pure-const.c: Ditto.
14073         * cse.c: Ditto.
14074         * fix-header.c: Ditto.
14075         * web.c: Ditto.
14076         * tree-stdarg.c: Ditto.
14077         * ipa-utils.c: Ditto.
14078         * loop-init.c: Ditto.
14079         * ipa-inline.c: Ditto.
14080         * cfganal.c: Ditto.
14081         * global.c: Ditto.
14082         * alloc-pool.c: Ditto.
14083         * dwarf2out.c: Ditto.
14084         * opts.c: Ditto.
14085         * genattrtab.c: Ditto.
14086         * tree-ssa-loop-ivcanon.c: Ditto.
14087         * predict.c: Ditto.
14088         * timevar.c: Ditto.
14089         * lcm.c: Ditto.
14090         * fortran/gfortranspec.c: Ditto.
14091         * regmove.c: Ditto.
14092         * local-alloc.c: Ditto.
14093         * langhooks.c: Ditto.
14094         * function.c: Ditto.
14095         * tree-vectorizer.c: Ditto.
14096         * gcse.c: Ditto.
14097         * ipa-type-escape.c: Ditto.
14098         * alias.c: Ditto.
14099         * tree-if-conv.c: Ditto.
14100         * profile.c: Ditto.
14101         * ipa.c: Ditto.
14102         * tree-data-ref.c: Ditto.
14103         * loop-unroll.c: Ditto.
14104         * treelang/treetree.c: Ditto.
14105         * calls.c: Ditto.
14106         * bt-load.c: Ditto.
14107         * ggc-common.c: Ditto.
14108         * except.c: Ditto.
14109         * coverage.c: Ditto.
14110         * cselib.c: Ditto.
14111         * tree-cfgcleanup.c: Ditto.
14112         * tree-ssa-pre.c: Ditto.
14113         * cfgcleanup.c: Ditto.
14114         * loop-invariant.c: Ditto.
14115         * loop-iv.c: Ditto.
14116         * ipa-prop.c: Ditto.
14117         * print-tree.c: Ditto.
14118         * conflict.c: Ditto.
14119         * ggc-page.c: Ditto.
14120         * sched-deps.c: Ditto.
14121         * regclass.c: Ditto.
14122         * tree-object-size.c: Ditto.
14123         * combine.c: Ditto.
14124         * bb-reorder.c: Ditto.
14125         * resource.c: Ditto.
14126         * var-tracking.c: Ditto.
14127         * cfgloop.c: Ditto.
14128         * df-problems.c: Ditto.
14129         * reg-stack.c: Ditto.
14130         * tlink.c: Ditto.
14131         * gccspec.c: Ditto.
14132         * sched-rgn.c: Ditto.
14133         * tree-ssa-structalias.c: Ditto.
14134         * tree-ssa-reassoc.c: Ditto.
14135         * config/darwin-c.c: Ditto.
14136         * config/darwin.c: Ditto.
14137         * config/arm/arm.c: Ditto.
14138         * cfgrtl.c: Ditto.
14139         * collect2.c: Ditto.
14140         * reload1.c: Ditto.
14141
14142 2006-01-31  Nicolas Pitre  <nico@cam.org>
14143
14144         * arm.md (smaxsi3): Make aware of smax_m1.
14145         (smax_m1): New.
14146
14147 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
14148
14149         * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14150
14151 2006-01-31  Richard Guenther  <rguenther@suse.de>
14152
14153         * doc/invoke.texi (-msselibm): Document.
14154         * target.h (expand_library_builtin): New target hook.
14155         * builtins.c (expand_builtin): Use expand_library_builtin.
14156         (default_expand_library_builtin): New function.
14157         * gcc.c (LINK_GCC_MATH_SPEC): Define.
14158         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14159         (link_gcc_math_spec): Declare.
14160         (static_specs): Add link_gcc_math_spec.
14161         * expr.h (default_expand_library_builtin): Declare.
14162         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14163         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14164         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14165         * config/i386/i386.opt (msselibm): New target option.
14166         * config/i386/i386.c (ix86_builtin_function_variants): New array.
14167         (ix86_init_sse_abi_builtins): New function.
14168         (ix86_expand_library_builtin): Likewise.
14169         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14170         (override_options): Handle error conditions wrt -msselibm.
14171         (ix86_builtins): Add function codes for SSE2 ABI builtins.
14172         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14173         * doc/extend.texi (__builtin_sse2_*): Document new target specific
14174         builtins.
14175
14176 2006-01-31  Richard Guenther  <rguenther@suse.de>
14177         Paolo Bonzini  <bonzini@gnu.org>
14178
14179         * doc/install.texi (--disable-libgcc-math): Document.
14180
14181 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
14182
14183         * expr.h (expand_normal): new inline function.
14184         * builtins.c: use it, use EXPAND_NORMAL explicitely.
14185         * dojump.c: use it.
14186         * dwarf2out.c: use it.
14187         * expr.c: use it.
14188         * calls.c: use it.
14189         * expmed.c: use it.
14190         * except.c: use it.
14191         * config/sparc/sparc.c: use it.
14192         * config/i386/i386.c: use it.
14193         * config/rs6000/rs6000.c: use it.
14194         * config/arm/arm.c: use it.
14195         * config/mips/mips.c: use it.
14196         * stmt.c: use it, use EXPAND_NORMAL explicitely.
14197
14198 2006-01-30  Roger Sayle  <roger@eyesopen.com>
14199
14200         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14201         argv to the appropriate type.
14202
14203 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
14204
14205         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14206         unreachable code.
14207
14208 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
14209
14210         PR target/26018
14211         * config/s390/s390.c (struct machine_function): New flag
14212         decomposed_literal_pool_addresses_ok_p.
14213         (s390_reorg): Set it before final stage of literal pool transforms.
14214         (s390_decompose_address): Only accept displacements of the form
14215         (minus (label_ref ...) (label_ref ...)) if that flag is set.
14216
14217 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
14218
14219         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14220         the comparison routine return.
14221
14222 2006-01-30  Michael Matz  <matz@suse.de>
14223
14224         * global.c (find_reg): Only evict for global regs.
14225         Take n_refs into account and dump more info.
14226
14227 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
14228
14229         PR target/14798:
14230         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14231         (pragma_trap, pragma_nosave_low_regs): Likewise.
14232         (current_function_anonymous_args): Likewise.
14233         (sh_deferred_function_attributes): New variable.
14234         (sh_deferred_function_attributes_tail): Likewise.
14235         (print_operand): For '@', look up trap_exit attribute.
14236         (calc_live_regs): Look up trapa_handler attribute.  For trapa
14237         handlers, save/restore fpscr, but don't do any other
14238         interrupt-specific saves.
14239         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14240         Fix check for partially saved registers to check for SHmedia.
14241         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14242         (sh_output_function_epilogue): Don't clear any of the removed
14243         variables.
14244         (sh_insert_attributes): Don't check pragma_interrupt.
14245         Insert deferred attributes.  Check that interrupt attribute is
14246         present for other attributes that require its presence.
14247         (sh_attribute_table): Add new attributes trapa_handler and
14248         nosave_low_regs.
14249         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14250         Don't check for pragma_interrupt.  Don't store argument.
14251         * sh.h (pragma_interrupt, sp_switch): Don't declare.
14252         (sh_deferred_function_attributes): Declare.
14253         (sh_deferred_function_attributes_tail): Likewise.
14254         * sh.md (sp_switch_1): Add operand.  Change generator caller.
14255         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14256         (*return_i): Don't use when trap_exit attribute is in effect.
14257         (*return_trapa): New insn pattern.
14258         * sh-c.c: New file.
14259         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14260         setting c_target_objs and cxx_target_objs.
14261         * t-sh: Add rule for sh-c.o.
14262
14263 2006-01-30  Richard Guenther  <rguenther@suse.de>
14264
14265         PR c++/23372
14266         * gimplify.c (gimplify_target_expr): Handle easy cases
14267         without creating a temporary.
14268
14269 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
14270
14271         * vec.h (safe_grow): Remove duplicated line.
14272
14273 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
14274
14275         PR 25874
14276         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14277         (expand_omp): ... here.
14278         (expand_omp_parallel): Only remove barriers for combined
14279         parallel+workshare constructs.
14280
14281 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
14282
14283         Revert
14284
14285         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
14286         * tree.c (build_qualified_type): Chain the new type to the original
14287         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14288         a POINTER_TYPE or a REFERENCE_TYPE respectively.
14289         (build_pointer_type_for_mode): Only return unqualified types.
14290         (build_reference_type_for_mode): Likewise.
14291
14292 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
14293
14294         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14295         * Makefile.in (CXX_COMPAT_WARN): Define.
14296         * configure: Regenerate.
14297
14298 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
14299
14300         PR tree-opt/25911
14301         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14302         to an if check.
14303
14304 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14305
14306         * toplev.c: Fix thinko.
14307
14308 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14309             Marcin Dalecki  <martin@dalecki.de>
14310
14311         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14312         (push_srcloc): Use XNEW.
14313         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14314
14315 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
14316
14317         * df-core.c (df_set_blocks): Deleted all variable.
14318
14319 2006-01-28  Ian Lance Taylor  <ian@airs.com>
14320
14321         * cgraphunit.c (cgraph_assemble_pending_functions): Call
14322         cgraph_output_pending_asms.
14323
14324 2006-01-28  Zack Weinberg  <zackw@panix.com>
14325
14326         * c.opt: Add -W(no-)overlength-strings.
14327         * doc/invoke.texi: Document it.
14328         * c-opts.c (c_common_handle_option): -pedantic implies
14329         -Woverlength-strings, if not explicitly disabled already.
14330         (c_common_post_options): -Woverlength-strings defaults to off, and
14331         is always off for C++.
14332         * c-common.c (fix_string_type): Issue warning about strings longer
14333         than is portable only if warn_overlength_strings.  Rearrange code
14334         a little for clarity.
14335         * configure.in: Check for -Wno-overlength-strings as well before
14336         enabling -pedantic in stage 1.
14337         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14338         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14339
14340         * genconditions.c (write_header, write_one_condition)
14341         (write_conditions, write_writer): Consolidate very long strings
14342         that were broken up to fit in C89 portable limit.  Don't use
14343         printf when fputs will do.
14344
14345 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
14346
14347         * combine.c (simplify_comparison <AND>): Check
14348         TRULY_NOOP_TRUNCATION before start using a subreg.
14349
14350         * config/mips/mips.md (*branch_zero<mode>,
14351         *branch_zero<mode>_inverted, *branch_equality<mode>,
14352         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14353         Remove mode check from comparisons.
14354
14355 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
14356
14357         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14358
14359 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
14360
14361         * expmed.c (const_mult_add_overflow_p): Remove.
14362         * expr.h: Remove the prototype for const_mult_add_overflow_p.
14363
14364         * recog.c (validate_replace_rtx_subexp): Remove.
14365         * recog.h: Remove the prototype for
14366         validate_replace_rtx_subexp.
14367
14368         * integrate.h: Remove the prototype for
14369         copy_decl_for_inlining.
14370         * rtl.h: Remove the prototype for mark_constant_function.
14371         * tree-vectorizer.h: Remove the prototype for
14372         vect_strip_conversion.
14373
14374         * modulo-sched.c (create_partial_schedule,
14375         free_partial_schedule, reset_partial_schedule): Make them
14376         static.
14377
14378         * hooks.c (hook_bool_rtx_int_false): Remove.
14379         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14380
14381 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
14382
14383         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14384         and -mlong-double-128 are incompatible.
14385         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14386         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14387         (TARGET_LIBGCC2_CFLAGS): Define.
14388         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14389         (TARGET_LIBGCC2_CFLAGS): Same.
14390         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14391
14392 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
14393
14394         PR c/19606.
14395         * c-typeck.c (build_binary_op): Perform implicit casts of
14396         operands before shortening them.
14397
14398         * cfgloopmanip.c (split_loop_bb): Remove.
14399         * cfgloop.h: Remove the prototype for split_loop_bb.
14400
14401         * cfgloop.c (flow_loop_outside_edge_p): Remove.
14402         * cfgloop.h: Remove the prototype for
14403         flow_loop_outside_edge_p.
14404
14405         * emit-rtl.c (init_virtual_regs): Make it static.
14406         * function.h: Remove the prototype for init_virtual_regs.
14407
14408         * recog.c (peephole2_optimize): Make it static.
14409         * recog.h: Remove the prototype for peephole2_optimize.
14410
14411 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14412
14413         * df-scan.c (df_record_entry_block_defs): Check if
14414         INCOMING_RETURN_ADDR_RTX is defined.
14415
14416 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
14417             Kenneth Zadeck <zadeck@naturalbridge.com>
14418
14419         PR rtl-optimization/24762
14420         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14421         * targhooks.c (hook_void_bitmap): New hook prototype.
14422         * targhoohs.h (hook_void_bitmap): Ditto.
14423         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14424         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14425         * target.h (live_on_entry): New function pointer.
14426         * df-scan.c (df_all_hard_regs): Removed.
14427         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14428         (df_scan_free_internal): Added df->entry_block_defs.
14429         (df_scan_alloc): Ditto.
14430         (df_scan_dump): Ditto.
14431         (df_uses_record): Plumbed flag field properly thru calls.
14432         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14433         This part fixes PR24762.
14434         (df_bb_refs_record): Added code to make the frame and arg
14435         pointers live in EH blocks.
14436         (df_refs_record): Added call to df_record_entry_block_defs.
14437         (df_record_entry_block_defs): New function.
14438         * df-core.c: Added comments to describe new artifical defs.
14439         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14440         (entry_block_defs): New field in struct df.
14441         (df_all_hard_regs): Deleted.
14442         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14443         * df-problems.c (df_ru_bb_local_compute_process_def):
14444         Added code to handle artifical defs in the entry to a function.
14445         (df_ru_bb_local_compute): Ditto.
14446         (df_rd_bb_local_compute_process_def): Ditto.
14447         (df_rd_bb_local_compute): Ditto.
14448         (df_lr_bb_local_compute): Ditto.
14449         (df_ur_bb_local_compute): Ditto.
14450         (df_urec_bb_local_compute): Ditto.
14451         (df_chain_create_bb): Ditto.
14452         (df_ur_local_finalize): Removed entry.
14453         (df_urec_init): Ditto.
14454         (df_urec_local_finalize): Ditto.
14455         (df_ri_bb_compute): Added detection of last use of pseudos.
14456         * Makefile.in (df-scan.o): Updated dependencies.
14457         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14458         * config/mips/mips.c (mips_set_live_on_entry): Added.
14459         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14460         for target hook.
14461         * dce.c (marked_insn_p): Added code to handle artifical defs.
14462
14463 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14464
14465         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14466         intrinsic.
14467         (_mm_cvtsi128_si64): Likewise.
14468         (_mm_cvtsd_si64): Likewise.
14469         (_mm_cvttsd_si64): Likewise.
14470         (_mm_cvtsi64_sd): Likewise.
14471         (_mm_cvtsi64_si128): Likewise.
14472         * config/i386/mmintrin.h (_m_from_int64): Likewise.
14473         (_mm_cvtsi64_m64): Likewise.
14474         (_m_to_int64): Likewise.
14475         (_mm_cvtm64_si64): Likewise.
14476         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14477         (_mm_cvttss_si64): Likewise.
14478         (_mm_cvtsi64_ss): Likewise.
14479         (_mm_cvtss_f32): Likewise.
14480
14481 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
14482
14483         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14484         for pragma redefine_extname.
14485
14486 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
14487
14488         PR target/25864
14489         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14490         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14491         -mno-minimal-toc to previous content.
14492         (bispecs): Remove goal.
14493         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14494         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14495         compatibility aliases on powerpc-*-*gnu*.
14496         * config/rs6000/libgcc-ppc-glibc.ver: New file.
14497         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14498         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14499         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14500         (ldblspecs): New goal.
14501         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14502         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14503         _df_to_tf.
14504         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14505         L_sf_to_tf or L_df_to_tf is defined.
14506
14507 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
14508             Alan Modra  <amodra@bigpond.net.au>
14509
14510         PR target/25864
14511         * config/rs6000/linux.h (POWERPC_LINUX): Define.
14512         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14513         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14514         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14515         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14516         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14517         (rs6000_override_options): Initialize rs6000_ieeequad.
14518         Initialize TFmode format to ibm_extended_format if not
14519         TARGET_IEEEQUAD.
14520         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14521         ieeelongdouble.
14522         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14523         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14524         (function_arg_advance): IBM long double passed in two FPRs, not
14525         split.
14526         (function_arg): IBM long double passed in FPRs.
14527         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14528         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14529         Only multireg GPR aligned.
14530         (rs6000_init_libfuncs): Enable IBM long double functions if not
14531         IEEEQUAD.
14532         (rs6000_generate_compare): Use IBM long double compare if not
14533         TARGET_IEEEQUAD.
14534         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14535         (TARGET_IEEEQUAD): Define.
14536         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14537         not TARGET_IEEEQUAD.
14538         * config/rs6000/rs6000.md: Enable TFmode patterns if
14539         !TARGET_IEEEQUAD.
14540         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14541         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14542         and -mlong-double-128 are incompatible.
14543         * doc/invoke.texi (-mabi): Collect options together.  Add
14544         ibmlongdouble and ieeelongdouble.
14545
14546 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
14547
14548         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14549         opaque type.
14550         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14551         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14552         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14553         * rtl.h (rtunion_def): Remove rt_ptr.
14554         (X0PTR): Delete.
14555         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14556         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14557         * config/i386/winnt.c (i386_pe_mark_dllexport)
14558         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14559
14560 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14561
14562         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14563
14564 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
14565
14566         PR other/24829
14567         PR target/24831
14568         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14569         pthread_key_delete.  From John David Anglin.  gthrw-ify
14570         pthread_getunique_np only if it it's not a macro.  Delete
14571         UNUSED macro.
14572         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14573         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14574         __gthread_objc_condition_signal, __gthread_key_delete): Add
14575         "__attribute__ ((__unused__))" to unused arguments.
14576         (__gthread_recursive_mutex_init_function): Add missing return.
14577         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14578         gthr-posix95.h: Use macro-based approach for name redirection
14579         on targets missing weakref.
14580
14581 2006-01-26  Zack Weinberg  <zackw@panix.com>
14582
14583         * genconditions.c (write_header): In generated code, #ifdef out
14584         all includes and fake declarations, except includes of bconfig.h
14585         and system.h, unless GCC_VERSION >= 3001.  Do not include
14586         gensupport.h in any case.
14587         (write_conditions): Generate a definition of struct c_test.  Add
14588         a comment to the generated #endif.
14589         (write_one_condition): Escape backslashes in string too.
14590         (write_writer): Generated code must escape backslashes and quote
14591         marks (but not newlines) in the strings it writes.
14592         * Makefile.in (build/gencondmd.o): Update dependencies.
14593
14594 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
14595
14596         PR target/25961
14597         * Makefile.in (insn-automata.o): Add header file dependencies.
14598         * genautomata.c: Add includes.
14599
14600 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
14601
14602         PR target/25961
14603         * Makefile.in (insn-automata.o): Add -Wno-error flag.
14604
14605 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
14606
14607         * configure.ac: Expect target tools paths to be passed from the toplevel
14608         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
14609         AS_SET_VAR_IF.
14610         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14611
14612 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
14613
14614         PR c/25892
14615         * c.opt (Wpointer-sign): Init to -1.
14616         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14617         OPT_pedantic, to 0 otherwise.
14618         * doc/invoke.texi: Update.
14619
14620 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
14621
14622         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14623         constants provided by 80387 instructions in the destination mode.
14624
14625 2006-01-26  Richard Guenther  <rguenther@suse.de>
14626             Andrew Pinski  <pinskia@physics.uc.edu>
14627
14628         PR tree-opt/21470
14629         partial PR tree-opt/17064
14630         * tree-ssa-structalias.c (intra_create_variable_infos):
14631         Create heap variables for incoming parameters if
14632         flag_argument_noalias > 1.
14633         (find_what_p_points_to): Look through default defs of
14634         parameter decls.
14635
14636 2006-01-26  Jeff Law  <law@redhat.com>
14637
14638         PR ada/25900
14639         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14640         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14641         within the VR_RANGE, use the VR_RANGE as the result, not the
14642         VR_ANTI_RANGE.
14643         (adjust_range_with_scev): Reject ranges from SCEV which are out of
14644         bounds for the type.
14645
14646 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
14647
14648         * tree-ssa-alias.c (maybe_create_global_var): Change
14649         subvar walking to an assertion that we don't have subvar'd variables.
14650
14651 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
14652
14653         PR C/25861
14654         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14655         Use a new variable, inner.  PARM_DECLs are always non-weak.
14656
14657 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
14658
14659         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14660         --disable-checking.
14661
14662 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
14663
14664         * config/mips/mips.md (*clear_upper32): New combiner pattern.
14665
14666 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
14667
14668         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14669         (smax_insn, smin_insn, smax_0, smin_0): New.
14670
14671 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
14672
14673         PR target/25947
14674         * config/cris/cris.c (cris_order_for_addsi3): New function.
14675         * config/cris/cris-protos.h: Prototype it.
14676         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14677         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14678         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14679         (split for "op.S1 [rx=rx+i],ry (swapped)")
14680         (split for "op(s|u).S1 [rx=rx+i],ry")
14681         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14682         Apply cris_order_for_addsi3 when generating addsi3 insns.
14683
14684 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
14685
14686         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14687         (TREE_BLOCK): Add call to EXPR_CHECK.
14688
14689 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
14690
14691         PR 25886
14692         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14693         * tree-pretty-print.c (dump_omp_clause): Extract from ...
14694         (dump_omp_clauses): ... here.
14695         (dump_generic_node): Handle OMP_CLAUSE.
14696         * tree.c (omp_clause_num_ops): New.
14697         (omp_clause_code_name): New.
14698         (tree_code_size): Handle OMP_CLAUSE.
14699         (tree_size): Likewise.
14700         (make_node): Document handling of OMP_CLAUSE.
14701         (tree_node_structure): Handle OMP_CLAUSE.
14702         (omp_clause_check_failed): New.
14703         (omp_clause_range_check_failed): New.
14704         (omp_clause_operand_check_failed): New.
14705         (build_omp_clause): New.
14706         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14707         * tree.h (enum omp_clause_code): Declare.
14708         (OMP_CLAUSE_SUBCODE_CHECK): Define.
14709         (OMP_CLAUSE_RANGE_CHECK): Define.
14710         (OMP_CLAUSE_ELT_CHECK): Define.
14711         (omp_clause_check_failed): Declare.
14712         (omp_clause_operand_check_failed): Declare.
14713         (omp_clause_range_check_failed): Declare.
14714         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14715         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14716         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14717         (OMP_CLAUSE_LASTPRIVATE): Likewise.
14718         (OMP_CLAUSE_IF_EXPR): Likewise.
14719         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14720         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14721         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14722         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14723         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14724         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14725         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14726         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14727         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14728         (OMP_CLAUSE_CODE): Define.
14729         (OMP_CLAUSE_SET_CODE): Define.
14730         (OMP_CLAUSE_CODE): Define.
14731         (OMP_CLAUSE_OPERAND): Define.
14732         (struct tree_omp_clause): Declare.
14733         (union tree_node): Add field 'omp_clause'.
14734         * treestruct.def (TS_OMP_CLAUSE): Define.
14735         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14736         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14737         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14738         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14739         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14740         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14741         (OMP_CLAUSE): Define.
14742         * print-tree.c (print_node): Handle OMP_CLAUSE.
14743         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14744         * c-typeck.c: Likewise.
14745         * gimplify.c: Likewise.
14746         * c-omp.c: Likewise.
14747         * tree-nested.c: Likewise.
14748         * tree-inline.c: Likewise.
14749         * c-parser.c: Likewise.
14750         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14751         clauses.
14752
14753 2006-01-25  Roger Sayle  <roger@eyesopen.com>
14754
14755         PR rtl-optimization/25703
14756         * combine.c (try_combine): Handle zero_extract and strict_low_part
14757         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14758
14759 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
14760
14761         * global.c: Fix comment typos.
14762
14763 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
14764
14765         PR target/25758
14766         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14767         Use output_addr_const instead of assemble_name.
14768
14769 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
14770
14771         * Makefile.in (sched-vis.o): Update dependencies.
14772         * haifa-sched.c (sched_finish): Clear current_sched_info.
14773         * cfg.c (dump_bb_info): New, split from dump_flow_info.
14774         (dump_flow_info): Call it.
14775         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14776         a slim RTL dump.
14777         * basic-block.h (dump_bb_info): Declare.
14778         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14779         option, and apply options only for dump files whose TDF_RTL,
14780         TDF_TREE, or TDF_IPA bits match.
14781         * rtl.h: Declare new functions exported from sched-vis.c.
14782         * sched-vis.c: Enable also if scheduling is not used.
14783         (print_value): Print the mode of registers if not inside scheduling.
14784         (print_insn): Make it work outside the scheduler.  Beautify the output
14785         a bit.
14786         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14787
14788 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
14789
14790         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14791         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14792         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14793         depending on the value of CONSTANT_POOL_ADDRESS_P.
14794         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14795         SYMBOL_REF_DECL.
14796         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14797         rather than SYMBOL_REF_DECL.
14798         (rtx_constant_pool): Remove const_rtx_sym_htab.
14799         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14800         (init_varasm_status): Don't initialize const_rtx_sym_htab.
14801         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14802         Remove handling of const_rtx_sym_htab.
14803         (find_pool_constant): Delete.
14804         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14805         rather than find_pool_constant.
14806         (get_pool_constant_for_function): Delete.
14807         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14808         find_pool_constant.
14809         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14810         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14811         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14812         (SYMBOL_REF_CONSTANT): New macro.
14813         (get_pool_constant_for_function): Delete.
14814         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14815         rather than SYMBOL_REF_DECL.
14816         (i386_pe_mark_dllimport): Likewise.
14817         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14818         rather than SYMBOL_REF_DECL.
14819         * config/darwin.c (machopic_indirect_data_reference): Likewise.
14820         (machopic_indirect_call_target): Likewise.
14821
14822 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14823
14824         * flow.c (delete_noop_moves): Add missing EOL to dump message.
14825
14826 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
14827
14828         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14829
14830 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
14831
14832         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14833
14834 2006-01-24  David Daney  <ddaney@avtrex.com>
14835
14836         PR java/25816
14837         * configure.ac (enable_tls): New enable option.
14838         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14839         * configure: Regenerate.
14840         * doc/install.texi (--enable-tls): Document new option.
14841         (--disable-tls): Ditto.
14842
14843 2006-01-24  Richard Henderson  <rth@redehat.com>
14844
14845         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14846         * alias.c (true_dependence): Respect it.
14847         (canon_true_dependence, write_dependence_p): Likewise.
14848         * builtins.c (get_builtin_sync_mem): Set it.
14849
14850 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
14851
14852         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14853         efficient way.
14854
14855 2006-01-24  DJ Delorie  <dj@redhat.com>
14856
14857         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14858         for storing constants in single-bit bitfields.
14859
14860 2006-01-25  Ben Elliston  <bje@au.ibm.com>
14861
14862         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14863
14864 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
14865
14866         PR tree-opt/25860
14867         * tree-ssa-pre.c (phi_translate): Return NULL
14868         for AGGREGATE_TYPE's.
14869
14870 2006-01-24  Zack Weinberg  <zackw@panix.com>
14871
14872         * genautomata.c (process_state_for_insn_equiv_partition):
14873         Use xcalloc for insn_arcs_array.
14874         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14875         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14876
14877 2006-01-24  Richard Henderson  <rth@redhat.com>
14878
14879         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14880         update all callers.
14881
14882 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
14883
14884         PR rtl-optimization/25890
14885         PR rtl-optimization/25905
14886         * combine.c (expand_compound_operation, expand_field_assignment):
14887         Fail if the bitfield's final position is out of bounds.
14888
14889 2006-01-24  Ian Lance Taylor  <ian@airs.com>
14890
14891         PR middle-end/25930
14892         * cgraphunit.c (cgraph_output_in_order): Don't clear
14893         cgraph_asm_nodes until after asm strings have been output.
14894
14895 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
14896
14897         * fix-header.c (read_scan_file): Add new parameter imultilib when
14898         calling register_include_chains.
14899
14900 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
14901
14902         * omp-low.c: Update documentation.
14903
14904 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
14905             Daniel Berlin  <dberlin@dberlin.org>
14906
14907         PR tree-opt/25315
14908         PR tree-opt/25857
14909         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14910         return from the function.
14911
14912 2006-01-22  Zack Weinberg  <zackw@panix.com>
14913
14914         * rtl.def (match_code): Add second argument.
14915         * genpreds.c (write_extract_subexp): New function.
14916         (write_match_code): Add path argument.  Use write_extract_subexp.
14917         (write_predicate_expr): Pass path to write_match_code.
14918         (mark_mode_tests): MATCH_CODE applied to a subexpression does
14919         not perform a mode test.
14920         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14921         a subexpression does not constrain the top-level code set.
14922         * read-rtl.c (read_rtx_variadic): New function.
14923         (read_rtx_1): Use it; allow AND and IOR to be variadic.
14924         * doc/md.texi: Document new notation.
14925         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14926         (cmpsi_operand): ... here, using new notation.
14927
14928 2006-01-22  Zack Weinberg  <zackw@panix.com>
14929
14930         * varray.c: Remove GENERATOR_FILE #ifdefs.
14931
14932 2006-01-22  Zack Weinberg  <zackw@panix.com>
14933
14934         * genautomata.c (output_reserved_units_table): Emit nothing if
14935         description->query_units_num is zero.  Remove extra blank line.
14936         (output_cpu_unit_reservation_p): Short circuit
14937         if description->query_units_num is zero.
14938
14939 2006-01-22  Zack Weinberg  <zackw@panix.com>
14940
14941         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
14942         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
14943         nor any of the random handful of variables that used to be necessary
14944         when this program was linked with rtlanal.o.  Prune set of forward
14945         function declarations.
14946         (struct attr_desc): Remove static_p field.
14947         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14948         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14949         (attr_string): Do not read the character one past the length of
14950         the string.
14951         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14952         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14953         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14954         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14955         (make_automaton_attrs): New.
14956         (main): Do not call into genautomata.  Call local gen_bypass
14957         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
14958         Remove special case for insn_alts.
14959         * genautomata.c: Include gensupport.h; not genattrtab.h nor
14960         varray.h (leftover from previous change).  Prune set of forward
14961         function declarations.  Remove state_alts fields from all
14962         structures.  Remove state_alts_table from struct automaton.
14963         Make everything except main static.  Do not maintain num_dfa_decls.
14964         Do not maintain state_alts fields of various structures.
14965         (process_decls): Don't validate condexp for dm_insn_reserv decls.
14966         (add_arc): Remove state_alts argument.  All callers updated.
14967         (output_reserved_units_table): Emit #ifdef here...
14968         (output_tables): ...not here.  Don't generate state_alts tables.
14969         (expand_automata): Don't generate attributes.
14970         (write_automata): Don't generate state_alts functions.
14971         (main): New function.
14972         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14973         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14974         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14975         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14976         (BYPASS_P_FUNC_NAME, output_state_alts_table)
14977         (output_automata_list_state_alts_code, output_internal_state_alts_func)
14978         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14979         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14980         Delete.
14981         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14982         * genattrtab.h: Delete file.
14983         * Makefile.in (OBJS-common): Add insn-automata.o.
14984         (insn-automata.o): New rule.
14985         (simple_generated_c): Add insn-automata.c.
14986         (build/genattrtab.o, build/genautomata.o): Update dependencies.
14987         (genprogmd): Add automata.
14988         (build/genattrtab): Needs no extra objects nor libraries.
14989         (build/genautomata): Needs build/vec.o and -lm.
14990
14991 2006-01-22  Zack Weinberg  <zackw@panix.com>
14992
14993         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14994         (output_dfa_max_issue_rate, locked_states_num): Delete.
14995         (struct automaton): Add locked_states field.
14996         (output_dead_lock_vect): Save number of locked states in
14997         automaton->locked_states.  If it is zero, don't print anything.
14998         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14999         (output_internal_dead_lock_func): Only test the dead_lock_vect
15000         for automata that have locked states.
15001         (output_statistics): Always print the number of locked states for
15002         each automaton.  Calculate total number of locked states here.
15003         (write_automata): Don't call output_dfa_max_issue_rate.
15004         * genattrtab.c: Define length_unit_log as a const variable.
15005         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
15006         max_insn_queue_index const.
15007         * final.c (length_unit_log): Declare const.
15008         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15009
15010 2006-01-22  Zack Weinberg  <zackw@panix.com>
15011
15012         * genautomata.c: Include vec.h, not varray.h.
15013         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15014         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
15015         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
15016         VEC_* macros operating on appropriately typed vectors, or to
15017         malloced arrays when the size is known in advance.  Const-ify
15018         many char* variables and function arguments.  No functional changes.
15019         * Makefile.in (build/varray.o): Delete rule.
15020         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15021         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15022
15023 2006-01-22  Zack Weinberg  <zackw@panix.com>
15024
15025         * gensupport.c: Define get_insn_name and record_insn_name here.
15026         (read_md_rtx): Call record_insn_name as appropriate.
15027         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15028         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15029         * genpreds.c, genrecog.c: Don't define get_insn_name nor
15030         record_insn_name.
15031         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15032         (BUILD_VARRAY): Delete.
15033         (genprognormal): Rename genprogmd.  Fold in all programs from
15034         genprognoprint; also attrtab.
15035         (build/genattrtab): Just mention genautomata.o and varray.o.
15036         Reorganize a bit, add comments to make the categories clearer.
15037
15038 2006-01-22  Zack Weinberg  <zackw@panix.com>
15039
15040         * genconditions.c (condition_table, add_condition): Delete.
15041         (write_conditions): Don't emit n_insn_conditions nor
15042         insn_elision_unavailable.  Issue the gcc version #ifdef here,
15043         inside the table, with no #else clause ...
15044         (write_header): ...not here.
15045         (write_writer): New function.
15046         (main): Don't initialize condition_table.  Use add_c_test.
15047         Call write_writer.
15048         * gensupport.c (init_md_reader_args_cb): Handle multiple input
15049         files on the command line.
15050         (maybe_eval_c_test): Don't check insn_elision_unavailable.
15051         Return -1 if there is no entry in the table, don't abort.
15052         (add_c_test, traverse_c_tests): New functions.
15053         * gensupport.h (insn_elision_unavailable, insn_conditions)
15054         (n_insn_conditions): Delete declarations.
15055         (add_c_test, traverse_c_tests): Declare.
15056         * read-rtl.c: Include gensupport.h.
15057         (read_conditions): New function.
15058         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15059         (read_rtx_1): If we get EOF when we were looking for an initial
15060         open paren, return 0.  Call read_conditions when appropriate.
15061         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15062         dummy-conditions.o.  Eliminate references to insn-conditions.o,
15063         or change them to build/gencondmd.o, as appropriate.  Remove
15064         insn-constants.h from $(simple_generated_h) and insn-conditions.c
15065         from $(simple_generated_c).  For all files remaining in those
15066         two lists, add insn-conditions.md to the generator command line.
15067         Give insn-constants.h/s-constants their own rules.  Add rules
15068         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15069         (build/read-rtl.o): Depend on gensupport.h.
15070         (genprognormal): Include preds.
15071         (genprogearly): Rename genprognoprint; only difference is now that
15072         they don't link with $(BUILD_PRINT).
15073         * dummy-conditions.c: Delete.
15074
15075 2006-01-22  Zack Weinberg  <zackw@panix.com>
15076
15077         * genextract.c: Don't include insn-config.h.  Do include vec.h.
15078         Declare vectors of int, char, and locstr.
15079         (locstr): New typedef.
15080         (struct extraction): Make all array fields into bare pointers.
15081         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15082         (insn_code_number): Delete.
15083         (accum_extract): New struct.
15084         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15085         (gen_insn): Take insn_code_number as an argument.  Use an
15086         accum_extract structure instead of loading data directly into
15087         a struct extraction, and having to know how big it might get.
15088         (walk_rtx): Operate entirely on an accum_extract structure.
15089         (print_path): Avoid unnecessary use of printf.
15090         (print_header): New function, split out of main.  Distinguish
15091         more carefully between an unrecognizable insn and an insn that
15092         has the code number of a define_expand.
15093         (main): Pass insn_code_number to gen_insn.  Call print_header
15094         only after parsing.  Avoid unnecessary use of printf.
15095         * Makefile.in (build/vec.o): New rule.
15096         (build/genextract): Depend on build/vec.o.
15097         (build/genextract.o): Don't depend on insn-config.h.
15098
15099 2006-01-22  Zack Weinberg  <zackw@panix.com>
15100
15101         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15102         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
15103         practical.  Eliminate per-generator-program link rules.
15104
15105 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
15106
15107         PR middle-end/24437
15108         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15109         with a call expr to ...
15110         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15111
15112 2006-01-23  Richard Guenther  <rguenther@suse.de>
15113
15114         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15115         before make_edge with conditional EDGE_TRUE_VALUE.
15116
15117 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
15118         Jan Hubicka  <jh@suse.cz>
15119         Richard Guenther  <rguenther@suse.de>
15120
15121         PR rtl-optimization/25654
15122         * cfgexpand.c (aggregate_contains_union_type): New function.
15123         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
15124         for structure variables that contain a union type.
15125
15126 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
15127
15128         * gengtype.c (new_structure): Return the structure.
15129         (create_option): Add an extra "next" argument.
15130         (create_field): New function.
15131         (adjust_field_rtx_def): Use create_option and create_field.
15132         Remove a now-unnecessary call to find_structure.
15133         (adjust_field_tree_def): Likewise.
15134         (note_yacc_type): Remove an unnecessary call to find_structure.
15135         * gengtype.h (new_structure): Return the structure.
15136         (create_option): Add an extra argument.
15137         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15138         (option): Adjust calls to create_option.
15139
15140 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
15141
15142         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15143
15144 2006-01-22  Paul Brook  <paul@codesourcery.com>
15145         Peter Barada  <peter@the-baradas.com>
15146
15147         * config/m68k/m68k.md: Add Coldfire FPU support.
15148         Define FP mode macro and associated attributes.
15149         Use it for float mode patterns.
15150         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15151         (LIBCALL_VALUE): Use m68k_libcall_value.
15152         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15153         (m68k_function_value): Ditto.
15154         (emit_move_sequence): Ditto.
15155         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15156         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15157         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15158         (MULTILIB_EXCEPTIONS): Ditto.
15159         * config/m68k/m68k.opt: Add mcfv4e.
15160         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15161         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15162         (m68k_output_function_prologue): Save ColdFire FPU registers.
15163         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15164         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15165         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15166         ColdFire FPU registers.
15167         (m68k_libcall_value, m68k_function_value): New functions.
15168         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15169         (LIBCALL_VALUE): Use m68k_libcall_value.
15170         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15171         (MASK_COLDFIRE): Add MASK_CFV4E.
15172         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15173         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15174         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15175         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15176         (GO_IF_LEGITIMATE_ADDRESS): Use it.
15177         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15178         * doc/invoke.tex: Document -mcfv4e on m68k.
15179
15180 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
15181
15182         * doc/contribute.texi: Change CVS to SVN and update the corresponding
15183         URL.
15184
15185 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15186
15187         PR c++/16190
15188         * c-opts.c (c_common_handle_option): Don't include
15189         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15190         * doc/invoke.texi (C++ Dialect Options): Document that
15191         -Wnon-virtual-dtor is no longer included in -Wall.
15192
15193 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
15194
15195         * gcov.c (print_version), gcov-dump.c (print_version),
15196         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15197         dates.
15198
15199 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
15200
15201         * df-scan.c (problem_SCAN): Added NULL reset function.
15202         (df_scan_reset_blocks): Added code to call reset block function
15203         (df_bb_refs_delete) Fixed comment.
15204         (df_insn_refs_delete): Made tolerant of deleting non existent info
15205         for dataflow problems that need to be reset.
15206         * df-core.c (df_set_blocks): Ditto.
15207         * df.h (struct df_problem): Added reset_fun.
15208         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15209         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15210         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15211         functions to clear out all references to def-use or use-def chains.
15212
15213 2006-01-21  Ben Elliston  <bje@au.ibm.com>
15214
15215         * varasm.c (assemble_real): Initialise data array.
15216
15217 2006-01-20  Paul Brook  <paul@codesourcery.com>
15218
15219         Merge from csl-arm-branch.
15220         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
15221         * config/arm/arm.md (movdi): Force operands[1] to a register
15222         if we have a non-register source.
15223         (*arm_movdi, *movdf_soft_insn): Require that one of the
15224         operands be a register.
15225         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15226         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15227
15228 2006-01-20  DJ Delorie  <dj@redhat.com>
15229
15230         * varasm.c (initializer_constant_valid_p): Allow pointers
15231         initialized from integer constants of lesser precision.
15232         (output_constant): Allow non-int-sized pointer modes to be
15233         initialized from integer constants.
15234
15235 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
15236
15237         PR libstdc++/25524
15238         * cppdefault.h (struct default_include): Add multilib flag.
15239         * cppdefault.c (cpp_include_defaults): Set it.
15240         * c.opt (-imultilib): New option.
15241         * c-opts.c (imultilib): New.
15242         (c_common_handle_option): Handle -imultilib.
15243         (c_common_post_options): Likewise.
15244         * c-incpath.c (add_standard_paths, register_include_chains):
15245         Likewise.
15246         * c-incpath.h (register_include_chains): Add extra parameter.
15247         * gcc.c (do_spec_1): Generate -imultilib option.
15248         (The Specs Language): Update %I description.
15249         (process_command): Update copyright notice.
15250         * doc/cppopts.texi (-imultilib): Document.
15251         * doc/invoke.texi (-imultilib): Include in option summary.
15252         (%I): Update specs documentation.
15253
15254 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
15255
15256         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15257
15258 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
15259
15260         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15261         label numbers.
15262
15263 2006-01-20  Richard Guenther  <rguenther@suse.de>
15264         Steven Bosscher <stevenb.gcc@gmail.com>
15265
15266         PR rtl-optimization/24626
15267         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15268         EDGE_TRUE_VALUE if in RTL mode.
15269
15270         Revert
15271         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15272         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15273
15274 2006-01-20  Dirk Mueller  <dmueller@suse.com>
15275
15276         PR c++/5520
15277         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15278         instead of a special NOP marker.
15279         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15280         NOP marker handling.
15281         * c-common.h (empty_body_warning): Add forward declaration.
15282         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15283         Now uses IS_EMPTY_STMT() instead of special NOP markers.
15284
15285 2006-01-20  Paul Brook  <paul@codesourcery.com>
15286
15287         * Makefile.in (lang_checks): Keep going if mkdir fails.
15288
15289 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
15290
15291         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15292         be able to clean out basic block when not necessary.
15293         (df_scan_free): Fixed to properly delete information if df is
15294         unused before calling df_finish.
15295         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15296         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15297         or comment typos.
15298         (df_bb_refs_delete): New function.
15299         (df_refs_delete): Moved per block code to df_bb_refs_delete.
15300         * df-core.c (df_set_blocks): Added code to properly clean out
15301         unused blocks if they are not part of the blocks to consider.
15302         Added additional null check.
15303         (df_compact_blocks): Added basic block parameter to free_bb_fun to
15304         be able to clean out basic block when not necessary
15305         * df.h (df_free_bb_function): Ditto.
15306         (df_bb_refs_delete): New function.
15307         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15308         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15309         basic block parameter to be able to clean out basic block when not
15310         necessary.
15311         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15312         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15313         Fixed to properly delete information if df is unused before
15314         calling df_finish.
15315
15316 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
15317
15318         PR rtl-optimization/25799
15319         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15320         Corrected confluence operator to remove bits from op2 before oring
15321         with op1 rather than removing bits from op1.
15322         (df_ru_transfer_function): Corrected test on wrong bitmap which
15323         caused infinite loop.  Both of these problems were introduced in
15324         the dataflow rewrite.
15325
15326 2006-01-19  DJ Delorie  <dj@redhat.com>
15327
15328         * reload1.c (find_reload_regs): Note the details of reload
15329         failures in the dump file.
15330         (spill_failure): Likewise.
15331
15332 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
15333
15334         * loop-iv.c: Include df.h and hashtab.h.
15335         (enum iv_grd_result): New enum.
15336         (DF_REF_IV, DF_REF_IV_SET): New macros.
15337         (struct biv_entry): New.
15338         (df, bivs): New global variables.
15339         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15340         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15341         Removed.
15342         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15343         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15344         analyzed_for_bivness_p, record_biv): New functions.
15345         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15346         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15347         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15348         UD chains.
15349         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15350         analysed.
15351         (iv_number_of_iterations): Use new interface to iv analysis.
15352         * loop-unroll.c: Do not include varray.h.
15353         (analyze_iv_to_split_insn): Use new interface to iv
15354         analysis.
15355         * loop-unswitch.c (may_unswitch_on): Ditto.
15356         * df.c (df_bitmaps_free): Only work for bbs for that structures are
15357         allocated.
15358         (df_bb_modify): Realloc tables to the new index.
15359         (df_find_use): New function.
15360         * df.h (df_find_use): Declare.
15361         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15362         outmode.
15363         * cfgloop.h (struct rtx_iv): Remove analysed field.
15364         (iv_get_reaching_def): Removed.
15365         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15366         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15367         (loop-iv.o): Add df.h and hashtab.h dependency.
15368         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15369
15370 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
15371
15372         PR target/25668
15373         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15374         Double TFmode.
15375         (__floatundisf, __floatundidf): Likewise.
15376         * libgcc2.h (IS_IBM_EXTENDED): Define.
15377
15378 2006-01-19  DJ Delorie  <dj@redhat.com>
15379
15380         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15381
15382 2006-01-19  Paul Brook  <paul@codesourcery.com>
15383
15384         * config/arm/arm.c (arm_compute_func_type): Treat all functions
15385         as nothrow when unwinding tables are disabled.
15386
15387 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15388
15389         PR testsuite/25171
15390         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15391         of bit-field" when in system header.
15392
15393 2006-01-19  DJ Delorie  <dj@redhat.com>
15394
15395         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15396         the 16 bit shift limit of the m16c.
15397
15398 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
15399
15400         PR target/22099
15401         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15402         * config/i386/i386.c (output_set_got): Output the label if we have one
15403         for the TARGET_DEEP_BRANCH_PREDICTION case.
15404
15405 2006-01-19  Jan Hubicka  <jh@suse.cz>
15406             H.J. Lu  <hongjiu.lu@intel.com>
15407             Evandro Menezes <evandro.menezes@amd.com>
15408
15409         * invoke.texi (generic): Document
15410         (i686) Update.
15411         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15412         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15413         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15414         (x86_use_incdec, x86_pad_returns): New variables
15415         (TARGET_CPU_DEFAULT_generic): New constant
15416         (TARGET_CPU_DEFAULT_NAMES): Add generic.
15417         (enum processor_type): Add generic32 and generic64.
15418         * i386.md (cpu attribute): Add generic32/generic64
15419         (movhi splitter): Behave sanely when both partial_reg_dependency and
15420         partial_reg_stall are set.
15421         (K8 splitters): Enable for generic as well.
15422         * predicates.md (incdec_operand): Use TARGET_INCDEC
15423         (aligned_operand): Avoid memory mismatch stalls.
15424         * athlon.md: Enable for generic64, new patterns for 128bit moves.
15425         * ppro.md: Enable for generic32
15426         * i386.c (generic64_cost, generic32_cost): New.
15427         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15428         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
15429         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
15430         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15431         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15432         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15433         x86_partial_reg_dependency, x86_memory_mismatch_stall,
15434         x86_accumulate_outgoing_args, x86_prologue_using_move,
15435         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15436         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15437         Enable for generic.
15438         (x86_use_incdec, x86_pad_returns): New.
15439         (override_options): Add generic32 and generic64, translate "generic"
15440         to generic32/generic64 and "i686" to "generic32", refuse
15441         "generic32"/"generic64" as arch target.
15442         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15443         (ix86_reorg): Honor PAD_RETURNS.
15444
15445 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
15446
15447         * tree-pretty-print.c (dump_generic_node): Handle
15448         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15449         * cgraph.c (cgraph_expand_queue): Rename from
15450         cgraph_analyze_queue.  Update all users.
15451         * cgraphunit.c (cgraph_assemble_pending_functions): Process
15452         cgraph_expand_queue.
15453         (cgraph_expand_all_functions): Likewise.
15454         (cgraph_finalize_pending_functions): Remove.  Update callers.
15455
15456         * tree.h (OMP_DIRECTIVE_P): Define.
15457         (OMP_PARALLEL_FN): Define.
15458         (OMP_PARALLEL_DATA_ARG): Define.
15459         (OMP_SECTIONS_SECTIONS): Define.
15460         * tree-pass.h (pass_expand_omp): Declare.
15461         * omp-low.c (struct omp_region): Declare.
15462         (struct omp_context): Remove fields 'parallel_type',
15463         'parallel_start_ix' and 'parallel_start_additional_args'.
15464         Update all users.
15465         (struct omp_for_data): Rename from struct expand_omp_for_data.
15466         (omp_regions): New static variable.
15467         (root_omp_region): New static variable.
15468         (find_omp_clause): Make static.
15469         (is_in_combined_parallel_ctx): Remove.
15470         (is_combined_parallel): New.
15471         (extract_omp_for_data): Move earlier in the file.
15472         (workshare_safe_to_combine_p): New.
15473         (get_ws_args_for): New.
15474         (determine_parallel_type): Move earlier in the file.
15475         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15476         child function.
15477         (omp_copy_decl): Likewise.
15478         (create_omp_child_function): Likewise.
15479         (lookup_omp_region): New.
15480         (dump_omp_region): New.
15481         (debug_omp_region): New.
15482         (debug_all_omp_regions): New.
15483         (new_omp_region): New.
15484         (scan_omp_parallel): If parallel_nesting_level > 1, the
15485         directive is nested within another parallel directive.
15486         Set OMP_PARALLEL_FN.
15487         (scan_omp_for): Do not try to handle combined parallel+for
15488         cases.
15489         Remove FIXME comment.
15490         (scan_omp_nested): Remove.
15491         (scan_omp_1): Do not call scan_omp_nested when
15492         parallel_nesting_level is > 1.
15493         Do not change the DECL_CONTEXT of local variables found.
15494         (lookup_decl_in_outer_ctx): New.
15495         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15496         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15497         (lower_reduction_clauses): Rename from expand_reduction_clauses.
15498         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15499         If CTX is nested, lookup VAR in the outer context when
15500         building copy assignment.
15501         (lower_send_clauses): Rename from expand_send_clauses.
15502         If CTX is nested, lookup VAR in the outer context when
15503         building copy assignments.
15504         (lower_send_shared_vars): Rename from expand_send_shared_vars.
15505         If CTX is nested, lookup VAR in the outer context when
15506         building copy assignments.
15507         (expand_parallel_call): Rename from build_parallel_call.
15508         Handle combined parallel+workshare cases.
15509         Re-implement to emit code into the CFG.
15510         (list2chain): New.
15511         (expand_omp_parallel): Re-implement to emit code into the CFG.
15512         Call move_sese_region_to_fn to outline the sub-graph
15513         containing the parallel region.
15514         (expand_omp_for_1): Remove.
15515         (expand_omp_for_generic): Re-implement to emit code into the
15516         CFG.
15517         (expand_omp_for_static_nochunk): Likewise.
15518         (expand_omp_for_static_chunk): Likewise.
15519         (expand_omp_for): Likewise.
15520         (expand_omp_sections): Likewise.
15521         (remove_exit_barriers): New.
15522         (expand_omp_synch): New.
15523         (expand_omp): New.
15524         (build_omp_regions_1): New.
15525         (build_omp_regions): New.
15526         (execute_expand_omp): New.
15527         (gate_expand_omp): New.
15528         (pass_expand_omp): Define.
15529         (lower_omp_sections): Rename from expand_omp_sections.
15530         Set OMP_SECTIONS_SECTIONS.
15531         (lower_omp_single_simple): Rename from expand_omp_single_simple.
15532         (lower_omp_single_copy): Rename from expand_omp_single_copy.
15533         (lower_omp_single): Rename from expand_omp_simple.
15534         (lower_omp_master): Rename from expand_omp_master.
15535         (lower_omp_ordered): Rename from expand_omp_ordered.
15536         (lower_omp_critical): Rename from expand_omp_critical.
15537         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15538         (lower_omp_for): Re-implement.
15539         (lower_omp_parallel): Re-implement.
15540         (lower_regimplify): Rename from expand_regimplify.
15541         (lower_omp_1): Rename from expand_omp_1.
15542         If there are syntax errors in the program, replace every
15543         OpenMP directive with NOP.
15544         Call lower_omp_* instead of expand_omp_*.
15545         (lower_omp): Rename from expand_omp.
15546
15547         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15548         * tree-gimple.h (enum omp_parallel_type): Remove.
15549         (gimple_boolify): Declare extern.
15550         (find_omp_clause, determine_parallel_type): Remove.
15551
15552         * gimple-low.c (lower_omp_directive): New.
15553         (lower_stmt): Call it.
15554         (record_vars_into): Move from ...
15555         (record_vars): ... here.
15556         Call record_vars_into with current_function_decl.
15557
15558         * gimplify.c (struct gimplify_ctx): Remove fields
15559         combined_pre_p and combined_ctxp.  Update users.
15560         (get_formal_tmp_var): Add documentation.
15561         (gimple_boolify): Make extern.
15562         (gimplify_expr_in_ctx): Remove.  Update callers.
15563         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15564         will always be a BIND_EXPR.
15565         (gimplify_expr): Handle OMP_RETURN_EXPR.
15566         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15567         (OMP_PARALLEL): Add 3 operands.
15568         (OMP_SECTIONS): Add 1 operand.
15569         (OMP_RETURN_EXPR): Define.
15570
15571         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15572         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15573         * tree-iterator.c (alloc_stmt_list): Assert that we are not
15574         creating a circular free list.
15575         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15576
15577         * tree-flow.h (move_sese_region_to_fn): Declare.
15578         (record_vars_into): Declare.
15579         * tree-cfg.c (make_omp_sections_edges): New.
15580         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15581         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15582         OMP_SECTIONS and OMP_SECTION.
15583         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15584         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15585         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15586         (gather_blocks_in_sese_region): New.
15587         (struct move_stmt_d): Declare.
15588         (move_stmt_r): New.
15589         (move_block_to_fn): New.
15590         (move_sese_region_to_fn): New.
15591
15592         * passes.c (init_optimization_passes): Schedule
15593         pass_expand_omp after pass_init_datastructures.
15594
15595         * tree-ssa-operands.c (get_expr_operands): Handle
15596         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15597         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15598
15599 2006-01-19  Jeff Law  <law@redhat.com>
15600
15601         * tree-vrp.c (extract_range_from_assert): Refine the result range
15602         if the variable referenced by the ASSERT_EXPR has a range and
15603         either the tentative result range or the previous range is a
15604         VR_ANTI_RANGE.
15605
15606 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
15607
15608         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15609
15610 2006-01-19  Jan Hubicka  <jh@suse.cz>
15611
15612         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15613
15614 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
15615
15616         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15617         (expand_compound_operation, expand_field_assignment): Fail if the
15618         bit lengths of an extract operation are out of range.
15619         (make_extraction): Compute wanted_inner_mode based on the position
15620         and length of the extraction.  Make it extraction_mode for non-constant
15621         positions, and do not modify offset in that case.  When generating a
15622         new MEM, use a mode that can hold the extraction while keeping correct
15623         alignment.  Remove code that supported MEMs wrapped by USEs.
15624         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15625
15626 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
15627
15628         * config/s390/s390.md ("Y", "y"): New mode attribute.
15629         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15630         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15631         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15632         "*addsi3_imm_cc", "*addsi3_carry1_cc",
15633         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15634         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15635         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15636         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15637         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15638         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15639         "addsi3", "subsi3"): Insn patterns removed.
15640         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15641         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15642         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15643         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15644         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15645         "*sub<mode>3_cconly2"): New insn patterns.
15646         ("addsi3", "subsi3"): New expanders.
15647
15648 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
15649
15650         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15651         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15652         existing STMT_VINFO_VECTYPE if available.
15653         (vect_mark_relevant): Add special handling for stmts that are
15654         marked as STMT_VINFO_IN_PATTERN_P.
15655         (vect_analyze_loop): Call vect_pattern_recog.
15656         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15657         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15658         stmt_info.
15659         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15660         (vect_recog_func_ptr): New function-pointer type.
15661         * tree-vect-patterns.c: New file.
15662         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15663         (vect_recog_dot_prod_pattern, vect_pattern_recog):
15664         (vect_pattern_recog_1): New functions.
15665         (vect_pattern_recog_funcs): New array of function pointers.
15666
15667         * tree-vectorizer.h (ternary_op): New enum value.
15668         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15669         declaration. Revised documentation. Removed redundant dump prints.
15670         Removed redundant argument. Added support for reduction patterns.
15671         (vectorizable_reduction): Added support for reduction patterns.
15672         (vect_transform_stmt): Added support for patterns.
15673
15674         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15675         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15676         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15677         (expand_widen_pattern_expr): New function.
15678         (init_optabs): Initialize new optabs udot_prod_optab,
15679         sdot_prod_optab.
15680         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15681         (sdot_prod_optab, udot_prod_optab): Define new optabs.
15682         (expand_widen_pattern_expr): New function declaration.
15683         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15684         tree-codes.
15685         * tree-inline.c (estimate_num_insns_1): Added cases for new
15686         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15687         * tree-pretty-print.c (dump_generic_node): Likewise.
15688         (op_prio): Likewise.
15689         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15690         * tree-ssa-operands.c (get_expr_operands): Added case for
15691         DOT_PROD_EXPR.
15692         * tree-vect-patterns.c (widened_name_p): New function.
15693         (vect_recog_dot_prod_pattern): Added function implementation.
15694         * tree-vect-transform.c (get_initial_def_for_reduction): Added
15695         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15696         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15697         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15698
15699         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15700         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15701         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15702         (init_optabs): Initialize new optabs widen_ssum_optab,
15703         widen_usum_optab.
15704         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15705         (widen_ssum_optab, widen_usum_optab): Define new optabs.
15706         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15707         use instead of type of def.
15708         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15709         function implementation.
15710         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15711         widen_ssumv8hi): New.
15712
15713         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15714         patterns.
15715
15716 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
15717
15718         PR c/25805
15719         * c-decl.c (add_flexible_array_elts_to_size): New function.
15720         (finish_decl): Use it.
15721
15722 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15723
15724         * diagnostic.h: Include options.h.
15725         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15726         dependancies for diagnostic.h.
15727         * Makefile.in (DIAGNOSTIC_H): Add options.h.
15728
15729 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
15730
15731         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15732         (ssa_ro_call_cache_valid): Ditto.
15733         * tree-ssa-alias.c (sort_tags_by_id): New function.
15734         (init_transitive_clobber_worklist): Ditto.
15735         (add_to_worklist): Ditto.
15736         (mark_aliases_call_clobbered): Ditto.
15737         (compute_tag_properties): Ditto.
15738         (set_initial_properties): Ditto.
15739         (compute_call_clobbered): Ditto.
15740         (compute_may_aliases):  Call compute_call_clobbered and grouping.
15741         (compute_flow_sensitive_aliasing): Remove clobbering related code.
15742         (compute_flow_insensitive_aliasing): Grouping now happens in our
15743         caller.
15744         (setup_pointers_and_addressables): Remove clobbering related code.
15745         (add_may_alias): Ditto.
15746         (replace_may_alias): Ditto.
15747         (get_nmt_for): Ditto.
15748         (create_global_var):
15749         (is_escape_site): Return an escape_type enumeration.
15750         * tree-flow-inline.h (is_call_clobbered): Global var does not
15751         imply call clobbered.
15752         (mark_call_clobbered): Take a reason for marking this. Remove
15753         marking of globalness, and cache invalidation.
15754         (clear_call_clobbered): Remove cache invalidation code.
15755         * tree-dfa.c (dump_variable): If details is on, dump the reason
15756         for escaping.
15757         * tree-outof-ssa.c (create_temp): Copy escape mask from original
15758         variable.
15759         * tree-flow.h (struct ptr_info_def): Add escape mask member.
15760         (struct var_ann_d): Ditto.
15761         (enum escape_type): New.
15762         (mark_call_clobbered): Adjust prototype.
15763         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15764         are never call clobbered.
15765         Record reasons for escaping.
15766         * tree-ssa-structalias.h (is_escape_site): Update prototype.
15767         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15768         (ssa_ro_call_cache_valid): Ditto.
15769         (clobbered_v_may_defs): Ditto.
15770         (clobbered_vuses): Ditto.
15771         (ro_call_vuses): Ditto.
15772         (clobber_stats): New.
15773         (init_ssa_operands): Zero out clobber stats.
15774         (fini_ssa_operands): Print out clobber stats.
15775         (get_call_expr_operands): Pass callee fndecl to
15776         add_call_read_ops).
15777         (add_call_clobber_ops): Remove use of cache.
15778         Add use of PURE_CONST information.
15779         (add_call_read_ops): Remove use of cache.
15780         Add use of static not_read information.
15781
15782 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
15783
15784         Introduce TLS descriptors for i386 and x86_64.
15785         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15786         (TARGET_ANY_GNU_TLS): New macro.
15787         (enum tls_dialect): Added TLS_DIALECT_GNU2.
15788         (struct machine_function): Add tls_descriptor_call_expanded_p.
15789         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15790         (ix86_current_function_calls_tls_descriptor): Likewise.
15791         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15792         (override_options): Introduce gnu2 tls dialect.
15793         (ix86_frame_pointer_required): Functions containing TLSCALLs are
15794         not leaves.
15795         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15796         Likewise.
15797         (legitimize_tls_address): Adjust logic for GNU2 TLS.
15798         (ix86_init_machine_status): Initialize new field.
15799         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15800         (ix86_tls_module_base): New.
15801         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15802         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15803         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15804         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15805         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15806         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15807         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15808         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15809         * config/i386/predicates.md (tls_modbase_operand): New.
15810         (tp_or_register_operand): New.
15811
15812 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
15813
15814         * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15815         (look_for_address_of): Ditto.
15816         (ipa_init): Walk the function decls.
15817         (static_execute): Don't set readonly on FUNCTION_DECL's.
15818
15819 2006-01-18  Roger Sayle  <roger@eyesopen.com>
15820
15821         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15822         for shifts where the source and destination registers are different.
15823
15824 2006-01-18  Paul Brook  <paul@codesourcery.com>
15825
15826         Merge from csl-arm-branch.
15827         2005-03-14  Julian Brown  <julian@codesourcery.com>
15828         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15829         (aeabi_llsl): Likewise.
15830         (ashrdi3): Likewise.
15831         (aeabi_lasr): Likewise.
15832         (lshrdi3): Likewise.
15833         (aeabi_llsr): Likewise.
15834         2005-03-10  Julian Brown  <julian@codesourcery.com>
15835         * config.gcc: Disable shared libgcc for SymbianOS.
15836         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15837
15838 2006-01-18  DJ Delorie  <dj@redhat.com>
15839
15840         * c-pragma.c (handle_pragma_diagnostic): New.
15841         (init_pragma): Register it.
15842         * doc/extend.texi: Document it.
15843
15844         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15845         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15846         (diagnostic_context): Add classify_diagnostic[].
15847         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15848         as errors if they're overridden to DK_WARNING.
15849         (diagnostic_initialize): Initialize classify_diagnostic[].
15850         (diagnostic_set_kind_override): New.
15851         (diagnostic_report_diagnostic): Check for kind changes.
15852         * opts.c (common_handle_option): Take lang_mask.  Update callers.
15853         Handle OPT_Werror_.
15854         * common.opt (Werror=): New.
15855         * doc/invoke.texi: Document -Werror=*
15856
15857 2006-01-18  Jeff Law  <law@redhat.com>
15858
15859         * tree-vrp.c (test_for_singularity): Correct test for new
15860         min limit.  Use operand_equal_p rather than pointer equality
15861         for testing if new min/max values are equal.
15862
15863         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15864         using range information until after propagation and folding.
15865
15866 2006-01-18  Richard Henderson  <rth@redhat.com>
15867             Aldy Hernandez  <aldyh@redhat.com>
15868             Jakub Jelinek  <jakub@redhat.com>
15869             Diego Novillo  <dnovillo@redhat.com>
15870
15871         * omp-low.c: New file.
15872         * c-omp.c: New file.
15873
15874 2006-01-18  Richard Henderson  <rth@redhat.com>
15875             Jakub Jelinek  <jakub@redhat.com>
15876             Diego Novillo  <dnovillo@redhat.com>
15877
15878         * doc/invoke.texi: Document -fopenmp.
15879         * tree-dump.h (debug_function): Declare.
15880         * hooks.c (hook_bool_tree_bool_false): New function.
15881         (hook_tree_tree_null): Remove.
15882         (hook_tree_tree_tree_null): New.
15883         * hooks.h: Update to match.
15884         * tree-pretty-print.c (debug_tree_chain): New.
15885         (print_generic_expr): Handle TDF_CHAIN.
15886         (dump_generic_node): Handle BLOCK.
15887         Do not abort with incomplete SWITCH_EXPRs.
15888         Do not dump body of an OpenMP directive if TDF_SLIM is given.
15889         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15890         print space after directive name.
15891         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15892         Handle OMP_MASTER and OMP_ORDERED.
15893         Handle printing of OMP_BODY just in one place, goto
15894         dump_omp_body in the rest of OMP_* nodes that have
15895         OMP_BODY.
15896         Don't handle clause nodes here.  Update omp statements to
15897         use dump_omp_clauses.
15898         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15899         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15900         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15901         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15902         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15903         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15904         Adjust output for GOMP_PARALLEL.
15905         (dump_omp_clauses): New.
15906         (print_declaration): Dump DECL_VALUE_EXPR.
15907         (op_symbol_1): Split out of op_symbol.
15908         (dumping_stmts): Remove.  Update all users.
15909         * cgraph.c (cgraph_analyze_queue): New.
15910         (cgraph_add_new_function): New.
15911         * cgraph.h (cgraph_analyze_queue): Declare.
15912         (cgraph_add_new_function): Declare.
15913         (cgraph_lower_function): Remove.
15914         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15915         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15916         and TYPE_P nodes in its default clause.
15917         (empty_body_p): New.
15918         (tree_range_check_failed): New.
15919         (build5_stat): New.
15920         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15921         OMP_CLAUSE_REDUCTION_MERGE,
15922         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15923         OMP_CLAUSE_PRIVATE_DEBUG,
15924         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15925         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15926         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15927         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15928         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15929         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15930         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15931         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15932         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15933         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15934         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15935         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15936         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15937         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15938         (TREE_RANGE_CHECK): New.
15939         (empty_body_p): Declare.
15940         (enum omp_clause_default_kind): New.
15941         (build_string_literal): Declare.
15942         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15943         (build5_stat, build5): Declare.
15944         * tree-pass.h (TDF_CHAIN): Define.
15945         * tree-pass.h (PROP_gimple_lomp): Define.
15946         (pass_lower_omp): Declare.
15947         * diagnostic.h (debug_tree_chain): Declare.
15948         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15949         mode_for_size.
15950         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15951         * builtins.c (build_string_literal): Make extern.
15952         * gcc.c (include_spec_function): New.
15953         (static_spec_functions): Add it.
15954         (main): Move load of libgomp.spec ...
15955         (LINK_COMMAND_SPEC): ... here.
15956         (link_gomp_spec): New.
15957         (static_specs): Include it.
15958         (LINK_COMMAND_SPEC): Add link_gomp.
15959         (GOMP_SELF_SPECS): New.
15960         (driver_self_specs): Include it.
15961         (switch_matches): Don't mark inline.
15962         (main): Load libgomp.spec.
15963         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15964         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15965         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15966         * tree-gimple.h (enum omp_parallel): Declare.
15967         (determine_parallel_type): Declare.
15968         (omp_firstprivatize_variable): Declare.
15969         (omp_reduction_init): Declare.
15970         (diagnose_omp_structured_block_errors): Declare.
15971         (struct walk_stmt_info): Add want_return_expr.
15972         (struct walk_stmt_info): Add want_bind_expr, want_locations.
15973         (find_omp_clause): Declare.
15974         (insert_field_into_struct): Declare.
15975         (struct walk_stmt_info): Move from tree-nested.c
15976         (walk_stmts): Declare.
15977         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15978         to 200505.
15979         * cgraphunit.c (cgraph_lower_function): Make static.
15980         (cgraph_finalize_pending_functions): New.
15981         (cgraph_finalize_function): Call it.
15982         (cgraph_finalize_compilation_unit): Likewise.
15983         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15984         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15985         (BT_FN_UINT_UINT): New.
15986         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15987         DEF_FUNCTION_TYPE_VAR_4): Document.
15988         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15989         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15990         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15991         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15992         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15993         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15994         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15995         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15996         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15997         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15998         into separate files.
15999         (DEF_GOMP_BUILTIN): New.
16000         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16001         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16002         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16003         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16004         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16005         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16006         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16007         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16008         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16009         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16010         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16011         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16012         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16013         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16014         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16015         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16016         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16017         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16018         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16019         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16020         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16021         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16022         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16023         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16024         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16025         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16026         * sync-builtins.def: New file, moved from builtins.def.
16027         * omp-builtins.def: New file, moved from builtins.def.
16028         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16029         * gimple-low.c (lower_function_body): Clear data.
16030         (lower_stmt): Do not handle COMPOUND_EXPR.
16031         Remove call to print_node_brief.
16032         * c-tree.h (c_finish_omp_clauses): New prototype.
16033         (C_DECL_THREADPRIVATE_P): Define.
16034         (lookup_name_no_remap, c_omp_remap_private): Remove
16035         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16036         (check_for_loop_decls): Update decl.
16037         (lookup_name_no_remap, c_omp_remap_private): Declare.
16038         (build_indirect_ref, build_modify_expr, pushdecl,
16039         pushdecl_top_level): Move to c-common.h.
16040         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16041         before the switch, but just in the 2 places that need it.
16042         * c-decl.c (diagnose_mismatched_decls): Do not check for
16043         mismatched thread-local attributes when OLDDECL is marked
16044         threadprivate and NEWDECL has no thread-local attributes.
16045         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16046         (c_gimple_diagnostics_recursively): Rename from
16047         c_warn_unused_result_recursively.  Invoke
16048         diagnose_omp_structured_block_errors.
16049         (check_for_loop_decls): Return a singular decl found.
16050         * langhooks.c (lhd_omp_predetermined_sharing): Return
16051         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16052         (lhd_omp_firstprivatize_type_sizes): New.
16053         (lhd_omp_assignment): New.
16054         (lhd_omp_predetermined_sharing): New.
16055         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16056         (struct lang_hooks_for_types): Add
16057         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16058         omp_predetermined_sharing, omp_disregard_value_expr,
16059         omp_private_debug_clause, omp_clause_default_ctor,
16060         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16061         (c_finish_omp_clauses): New.
16062         (c_finish_bc_stmt): Diagnose break within omp for.
16063         (c_begin_omp_parallel, c_finish_omp_parallel): New.
16064         (build_unary_op): Return error_mark after reporting
16065         a readonly_error.
16066         (build_modify_expr): Likewise.
16067         * gimplify.c: Include optabs.h and pointer-set.h.
16068         (enum gimplify_omp_var_data): Declare.
16069         (struct gimplify_omp_ctx): Declare.
16070         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16071         and combined_ctxp.
16072         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16073         (push_gimplify_context, pop_gimplify_context): Allow nesting.
16074         (splay_tree_compare_decl_uid): New.
16075         (new_omp_context): New.
16076         (delete_omp_context): New.
16077         (gimple_add_tmp_var): Call omp_add_variable.
16078         (gimplify_bind_expr): Likewise.
16079         (gimplify_var_or_parm_decl): If omp_notice_variable returned
16080         true, disregard DECL_VALUE_EXPR on the decl if any.
16081         (gimplify_expr_in_ctx): New.
16082         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16083         omp_add_variable, omp_notice_variable, omp_is_private
16084         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16085         gimplify_adjust_omp_clauses, gimplify_omp_parallel
16086         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16087         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16088         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16089         gimplify_omp_atomic): New.
16090         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16091         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16092         OMP_CRITICAL and OMP_ATOMIC.
16093         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16094         * c-pragma.h (enum pragma_kind): Add
16095         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16096         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16097         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16098         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16099         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16100         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16101         PRAGMA_OMP_THREADPRIVATE.
16102         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16103         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16104         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16105         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16106         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16107         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16108         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16109         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16110         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16111         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16112         * tree-ssa-dce.c (find_control_dependence): Do not assume that
16113         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16114         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16115         OpenMP directives.
16116         (struct nesting_info): Add field_map,
16117         suppress_expansion, debug_var_chain.
16118         (create_nesting_tree): Initialize them.
16119         (lookup_field_for_decl): Use field_map.
16120         (get_nonlocal_debug_decl, get_local_debug_decl): New.
16121         (convert_local_omp_clauses): New.
16122         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16123         (walk_body): Split out of walk_function.
16124         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16125         (convert_nonlocal_reference): Handle omp statements.
16126         (convert_local_reference): Likewise.
16127         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16128         (unnest_nesting_tree): New.
16129         (lower_nested_functions): Call it.
16130         (insert_field_into_struct): Make extern.
16131         (struct walk_stmt_info): Move to tree-gimple.h.
16132         (walk_stmts): Make extern.
16133         * omp-builtins.def: New file.
16134         * tree-iterator.c (expr_only): Clarify comment.
16135         * c-common.h (pushdecl_top_level, pushdecl,
16136         build_modify_expr, build_indirect_ref,
16137         c_finish_omp_master, c_finish_omp_critical,
16138         c_finish_omp_ordered, c_finish_omp_barrier,
16139         c_finish_omp_atomic, c_finish_omp_flush,
16140         c_finish_omp_for, c_split_parallel_clauses,
16141         omp_clause_default_kind, c_omp_sharing_predetermined,
16142         c_omp_remap_decl): Declare.
16143         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16144         (OBJS-common): Add omp-low.o.
16145         (c-omp.o, omp-low.o): Add.
16146         (gimplify.o): Add dependency on $(OPTABS_H).
16147         (GTFILES): Add omp-low.c.
16148         (gt-stringpool.h): Add.
16149         * tree-cfg.c (set_bb_for_stmt): Do not update the
16150         block-to-labels map if we are currently expanding to RTL.
16151         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16152         checks.
16153         Handle IDENTIFIER_NODE.
16154         (tree_verify_flow_info): Do not ICE when emitting error
16155         messages about invalid labels.
16156         (dump_function_to_file): Reset CFUN before emitting the body
16157         of the function.
16158         (debug_function): New.
16159         * passes.c (init_optimization_passes): Schedule
16160         pass_lower_omp.
16161         * langhooks-def.h (lhd_omp_predetermined_sharing,
16162         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16163         Declare.
16164         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16165         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16166         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16167         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16168         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16169         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16170         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16171         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16172         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16173         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16174         (LANG_HOOK_DECLS): Use them.
16175
16176 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16177             Richard Henderson  <rth@redhat.com>
16178             Jakub Jelinek  <jakub@redhat.com>
16179             Diego Novillo  <dnovillo@redhat.com>
16180
16181         * c-parser.c (pragma_omp_clause): Define.
16182         (c_parser_declaration_or_fndef): Document OpenMP syntax.
16183         (c_parser_compound_statement): Likewise.
16184         (c_parser_statement): Likewise.
16185         (c_parser_pragma): Handle omp pragmas.
16186         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16187         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16188         (c_parser_omp_clause_name, check_no_duplicate_clause,
16189         c_parser_omp_variable_list,
16190         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16191         c_parser_omp_clause_copyprivate,
16192         c_parser_omp_clause_default,
16193         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16194         c_parser_omp_clause_lastprivate,
16195         c_parser_omp_clause_nowait,
16196         c_parser_omp_clause_num_threads,
16197         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16198         c_parser_omp_clause_reduction,
16199         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16200         c_parser_omp_all_clauses, c_parser_omp_structured_block,
16201         c_parser_omp_atomic, c_parser_omp_barrier,
16202         c_parser_omp_critical, c_parser_omp_flush,
16203         c_parser_omp_for_loop, c_parser_omp_for,
16204         c_parser_omp_master, c_parser_omp_ordered,
16205         c_parser_omp_sections_scope, c_parser_omp_sections,
16206         c_parser_omp_parallel, c_parser_omp_single,
16207         c_parser_omp_construct, c_parser_omp_threadprivate): New.
16208         * c-pragma.c (init_pragma): Do omp pragma registration here.
16209         * c.opt (fopenmp): New flag.
16210
16211 2006-01-18  Eric Christopher  <echristo@apple.com>
16212
16213         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16214         * config/darwin.h (GOMP_SELF_SPECS): Define.
16215
16216 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16217
16218         * rtl.h: Remove the prototype for reg_alloc.
16219
16220 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16221
16222         PR target/25731
16223         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16224         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16225         sjlj and dwarf2 exception handling.
16226         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16227         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16228         * pa/pa.c (function_value): Treat complex and vector types as
16229         aggregates.
16230         (function_arg): Likewise.  Only pass scalar floats in the floating
16231         point argument registers.
16232         * pa/t-slibgcc-dwarf-ver: New file.
16233         * pa/t-slibgcc-sjlj-ver: New file.
16234         * pa/t-slibgcc-elf-ver: Delete file.
16235
16236 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
16237
16238         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16239         unlikely_test_section_p test.
16240
16241 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16242
16243         * mode-switching.c (optimize_mode_switching): Make it static.
16244         * basic-block.h: Remove the prototype for
16245         optimize_mode_switching.
16246
16247         * modulo-sched.c (sms_schedule): Make it static.
16248         * rtl.h: Remove the prototype for sms_schedule.
16249
16250         * postreload-gcse.c (gcse_after_reload_main): Make it static.
16251         * rtl.h: Remove the prototype for gcse_after_reload_main.
16252
16253         * reg-stack.c (reg_to_stack): Make it static.
16254         * rtl.h: Remove the prototype for reg_to_stack.
16255
16256         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16257         Make them static.
16258         * rtl.h: Remove the prototypes for regrename_optimize and
16259         copyprop_hardreg_forward.
16260
16261 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
16262
16263         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16264         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
16265         Test against the appropriate null constant for the mode.
16266         If 'fixup_overlap' is true, swap the operands if they overlap.
16267         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16268         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16269         alpha_split_tmode_pair and adjust for above change.
16270         * config/alpha/alpha.md (movtf_internal): Adjust call to
16271         alpha_split_tfmode_pair and rely on it to swap the operands.
16272         (movti_internal): New insn and post-reload splitter.
16273         (movti): New expander.
16274
16275 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
16276
16277         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16278         operands.
16279
16280 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16281
16282         * rtlanal.c (global_reg_mentioned_p_1,
16283         global_reg_mentioned_p): Remove.
16284         * rtl.h: Remove the prototype for global_reg_mentioned_p.
16285
16286         * flow.c (initialize_uninitialized_subregs): Make it static.
16287         * rtl.h: Remove the prototype for
16288         initialize_uninitialized_subregs.
16289
16290         * function.c (instantiate_virtual_regs): Make it static.
16291         * function.h: Remove the prototype for
16292         instantiate_virtual_regs.
16293
16294         * regmove.c (regmove_optimize, combine_stack_adjustments):
16295         Make them static.
16296         * rtl.h: Remove the prototypes for regmove_optimize and
16297         combine_stack_adjustments.
16298
16299 2006-01-17  Roger Sayle  <roger@eyesopen.com>
16300
16301         * config/i386/i386.c (COSTS_N_BYTES): New macro.
16302         (size_cost): Encode costs in bytes so that a reg-reg addition is
16303         equivalent to COSTS_N_INSNS(1).
16304         (override_options): Use the size_cost.branch_cost as the default
16305         ix86_branch_cost when optimizing for size.
16306
16307 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16308
16309         * Makefile.in (D32PBIT_FUNCS): New.
16310         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16311         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16312         D64PBIT_FUNCS and D128PBIT_FUNCS.
16313         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16314         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16315         D128PBIT are set.
16316         (decnumber_dep): Define.
16317         * doc/libgcc.texi (Decimal float library routines): New node.
16318         * config/dfp-bit.h, config/dfp-bit.c: New files.
16319
16320 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16321
16322         * expr.c (emit_move_change_mode): Always adjust addresses, not
16323         just during reload.  Copy replacements only during reload.
16324         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16325         emit_move_via_integer.
16326
16327 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
16328
16329         * Makefile.in (check-%, check-consistency): Use $${srcdir}
16330         instead of $(srcdir) and ${srcdir}.
16331
16332 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
16333
16334         PR target/592
16335         PR middle-end/11135
16336         * arm.h (struct machine_function): Add pic_reg.
16337         * arm.c (arm_pic_register): Make unsigned.
16338         (arm_override_options): Only set arm_pic_register if
16339         TARGET_SINGLE_PIC_BASE.
16340         (use_return_insn): Only test for a pic register if it is fixed.
16341         (arm_compute_save_reg0_reg12_mask): Likewise.
16342         (thumb_compute_save_reg_mask): Likewise.
16343         (legitimate_pic_operand): Factor out some known invariants.
16344         (legitimize_pic_address): If we don't have a fixed pic register,
16345         then set up a pseudo in the function entry sequence.  Handle the
16346         pic base being in a pseudo.
16347         (arm_load_pic_register): Handle the pic register being in a pseudo.
16348         (arm_expand_prologue): Only set up the pic register if it is fixed.
16349         (thumb_expand_prologue): Likewise.
16350         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16351         (pic_load_addr_based_insn): Likewise.
16352         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16353         fixed.
16354
16355 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16356
16357         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16358         decimal float modes for all floating point registers.
16359
16360         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16361         match_code "mem" with match_test "macho_lo_sum_memory_operand".
16362
16363 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
16364
16365         PR c/25682
16366         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16367         even when the pointer is not NULL.
16368
16369 2006-01-16  Ian Lance Taylor  <ian@airs.com>
16370
16371         * common.opt (ftoplevel-reorder): New option.
16372         * cgraph.c (cgraph_asm_nodes): New global variable.
16373         (cgraph_asm_last_node): New static variable.
16374         (cgraph_order): New global variable.
16375         (cgraph_create_node): Set new order field.
16376         (cgraph_varpool_node): Likewise.
16377         (decide_is_variable_needed): Return true if not
16378         flag_toplevel_reorder.
16379         (cgraph_add_asm_node): New function.
16380         * cgraph.h (struct cgraph_node): Add order field.
16381         (struct cgraph_varpool_node): Add order field.
16382         (struct cgraph_asm_node): Define.
16383         (cgraph_asm_nodes, cgraph_order): Declare.
16384         (cgraph_add_asm_node): Declare.
16385         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16386         function.
16387         (cgraph_varpool_assemble_pending_decls): Call it.
16388         (cgraph_output_pending_asms): New static function.
16389         (cgraph_finalize_compilation_unit): Call it.
16390         (struct cgraph_order_sort): Define.
16391         (cgraph_output_in_order): New static function.
16392         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
16393         !flag_toplevel_reorder case.
16394         * c-parser.c: Include "cgraph.h".
16395         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16396         assemble_asm.
16397         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16398         than -fno-unit-at-a-time.
16399         * doc/invoke.texi (Option Summary): Mention
16400         -fno-toplevel-reorder.
16401         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
16402         -funit-at-a-time documentation.
16403
16404 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
16405             Kazu Hirata  <kazu@codesourcery.com>
16406
16407         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16408
16409 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
16410
16411         * Makefile.in (FUNCTION_H): New.  Use it instead of
16412         function.h throughout the file.
16413         * function.h: Include tree.h.
16414
16415 2006-01-17  Ben Elliston  <bje@au.ibm.com>
16416
16417         * recog.c: Separate some functions with whitespace.
16418
16419 2006-01-16  Richard Henderson  <rth@redhat.com>
16420
16421         Merge from gomp branch:
16422         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
16423         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16424         and rename from struct inline_data.  Rename callee* to dst*;
16425         caller* to src*; add copy_decl hook, transform_call_graph_edges,
16426         transform_new_cfg, transform_return_to_modify, and
16427         transform_lang_insert_block flags; remove cloning_p, versioning_p,
16428         update_clones_p.
16429         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16430         (copy_decl_for_dup): Remove.
16431         * tree-inline.c (struct inline_data): Move to header.
16432         (insert_decl_map): Export.
16433         (remap_decl): Update for member name changes.  Use copy_decl hook.
16434         Allow for replacement to be a non-decl.  Remove dead code.
16435         (remap_type_1): Check for existing mapping.
16436         (remap_type): Export.
16437         (remap_decls): Update for member name changes.
16438         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16439         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16440         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16441         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16442         (tree_function_versioning, build_duplicate_type): Likewise.
16443         (copy_body_r): Likewise.  Export.
16444         (copy_decl_for_dup): Split into ...
16445         (copy_decl_for_dup_finish, copy_decl_to_var,
16446         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16447         (replace_ref_tree, inlining_p): Remove.
16448
16449 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16450
16451         * ifcvt.c (if_convert): Make it static.
16452         * rtl.h: Remove the prototype for if_convert.
16453
16454         * local-alloc.c (local_alloc): Make it static.
16455         * rtl.h: Remove the prototype for local_alloc.
16456
16457         * loop.c (loop_optimize): Make it static.
16458         * cfgloop.h: Remove the prototype for loop_optimize.
16459         * rtl.h: Likewise.
16460
16461 2006-01-16  DJ Delorie  <dj@redhat.com>
16462
16463         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16464         mems.
16465
16466 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16467
16468         * pa.md: Disparage copies between general and floating-point registers
16469         in 32-bit move patterns.
16470
16471 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
16472
16473         PR testsuite/25741
16474         * Makefile.in (check-%): Depend on site.exp instead of
16475         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16476         directories.
16477
16478 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16479
16480         * global.c (global_alloc): Make it static.
16481         * rtl.h: Remove the prototype for global_alloc.
16482
16483 2006-01-16  Richard Guenther  <rguenther@suse.de>
16484
16485         * tree-ssa-alias.c (struct used_part): Add write_only field.
16486         (get_or_create_used_part_for): Initialize it to true.
16487         (create_overlap_variables_for): Don't create structure variables
16488         for structures that only are written to.
16489         (find_used_portions): Handle MODIFY_EXPR to track whether a
16490         structure is only written to.
16491
16492 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16493
16494         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16495         static.
16496         * basic-block.h: Remove the prototype for
16497         partition_hot_cold_basic_blocks.
16498
16499 2006-01-16  Rafael Ãvila de EspÃï¿½ndola <rafael.espindola@gmail.com>
16500
16501         * cppspec.c (lang_specific_spec_functions): Remove.
16502         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16503         * gcc.h (lang_specific_spec_functions): Remove.
16504         * gccspec.c (lang_specific_spec_functions): Remove.
16505
16506 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
16507
16508         * combine.c (record_value_for_reg): Invalidate registers
16509         if INSN is null.
16510         (record_dead_and_set_regs_1): Likewise, by passing them to
16511         record_value_for_reg.
16512         (record_dead_and_set_regs): Invalidate stores made by a
16513         call.  We do not combine across a call, but we still
16514         relied on equivalences.
16515
16516 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
16517
16518         * tree-vrp.c (extract_range_from_binary_expr): Cope with
16519         vrp_int_const_binop returning non-constant nodes.
16520
16521 2006-01-16  Paul Brook  <paul@codesourcery.com>
16522
16523         * config/m68k/m68k.c (output_move_const_into_data_reg):
16524         Output correct mnemonic for mvz and mvs.
16525
16526 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
16527
16528         * rtl-factoring.c: Add sequence abstraction algorithm.
16529         * cfgcleanup.c (outgoing_edges_match): Extra checks.
16530         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16531         ABNORMAL edges.
16532         (block_has_preserve_label): New function.
16533         * common.opt: Register new pass.
16534         * Makefile.in: Ditto.
16535         * passes.c: Ditto.
16536         * timevar.def: Ditto.
16537         * tree-pass.h: Ditto.
16538         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16539         * rtl.h (make_jump_insn_raw): Add forward decl.
16540         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16541
16542 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
16543             Roger Sayle  <roger@eyesopen.com>
16544
16545         * fold-const.c (fold_minmax): New static function.
16546         (fold_binary) <MIN_EXPR>: Call it.
16547         <MAX_EXPR>: Likewise.
16548         * stor-layout.c (place_field): Use DECL_SIZE consistently
16549         in the computation of the new record size.
16550
16551 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16552
16553         * cse.c (cse_condition_code_reg): Make it static.
16554         * rtl.h: Remove the prototype for cse_condition_code_reg.
16555
16556         * combine.c (combine_instructions): Make it static.
16557         * rtl.h: Remove the prototype for combine_instructions.
16558
16559 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16560
16561         PR target/25168
16562         * tree.c (get_file_function_name_long): Concatenate the first global
16563         object name with a string derived from the input filename of the object
16564         for type "F".
16565
16566 2006-01-16  Ben Elliston  <bje@au.ibm.com>
16567
16568         * config/i386/winnt-stubs.c: Update FSF address.
16569         * config/xtensa/ieee754-df.S: Ditto.
16570         * config/xtensa/ieee754-sf.S: Ditto.
16571
16572 2006-01-14  Ian Lance Taylor  <ian@airs.com>
16573
16574         * ifcvt.c (noce_init_if_info): New static function, broken out of
16575         noce_process_if_block.
16576         (noce_process_if_block): Call noce_init_if_info.
16577         (check_cond_move_block): New static function.
16578         (cond_move_process_if_block): New static function.
16579         (process_if_block): Call cond_move_process_if_block.
16580
16581 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
16582
16583         * cselib.c (hash_table): Rename to cselib_hash_table.
16584         (cselib_clear_table, discard_useless_values,
16585         remove_useless_values, cselib_lookup_mem, cselib_lookup,
16586         cselib_init, cselib_finish): Adjust uses of hash_table.
16587
16588 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
16589
16590         PR tree-optimization/25485
16591         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16592         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16593         is known to be false and true, respectively.
16594
16595 2006-01-14  Richard Guenther  <rguenther@suse.de>
16596
16597         PR tree-optimization/22548
16598         PR tree-optimization/22555
16599         PR tree-optimization/22501
16600         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16601         * params.def (salias-max-array-elements): New parameter.
16602         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16603         * doc/invoke.texi (salias-max-array-elements): Document.
16604         * tree-flow-inline.h (var_can_have_subvars): We also handle
16605         arrays now.
16606         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16607         COMPONENT_REF.
16608         * tree-ssa-structalias.c (params.h): Include.
16609         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16610         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16611         (get_constraint_for): For ADDR_EXPR operating on something
16612         containing an ARRAY_REF, add all subvars to the solution.
16613         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16614         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16615         for creating MUST_DEFs.
16616         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16617
16618 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
16619
16620         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16621         functions.
16622         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16623         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16624         number_of_iterations_le): New functions.
16625         (number_of_iterations_special): Removed.
16626         (number_of_iterations_exit): Do not use number_of_iterations_special.
16627         * tree.c (unsigned_type_for): Always return integer type.
16628
16629 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
16630         Richard Guenther  <rguenther@suse.de>
16631
16632         PR rtl-optimization/24257
16633         * gcse.c (find_moveable_store): Only consider a store movable
16634         when the SET_SRC of the insn can be assigned to a register.
16635
16636 2006-01-14  Ian Lance Taylor  <ian@airs.com>
16637
16638         * tree.c (tree_not_class_check_failed): New function.
16639         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16640         (tree_not_class_check_failed): Declare.
16641
16642 2006-01-13  Ian Lance Taylor  <ian@airs.com>
16643
16644         * reload1.c (do_output_reload): Add assertion rejecting a
16645         CALL_INSN.
16646
16647 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
16648
16649         * combine.c (struct reg_stat): Add new fields truncation_label and
16650         truncated_to_mode.
16651         (record_value_for_reg): Reset truncated_to_mode.
16652         (record_truncated_value): New function.
16653         (check_promoted_subreg): Call it.  Rename to check_conversions.
16654         (combine_instructions): Rename check_promoted_subreg to
16655         check_conversions.
16656         (reg_truncated_to_mode): New function.
16657         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
16658         (gen_lowpart_or_truncate): New function.
16659         (force_to_mode): Use it instead of gen_lowpart.
16660
16661 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
16662
16663         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
16664         VAR is a tag, not its type tag.
16665
16666 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
16667
16668         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16669         alternatives to match style of other entries.
16670         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
16671
16672 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
16673
16674         PR tree-optimization/25771
16675         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16676         SSA_NAMES.
16677
16678 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
16679
16680         PR tree-opt/24365
16681         * tree-inline.c (declare_return_variable): If the return variable
16682         was marked as a non gimple complex, set the return slot variable
16683         to be a non gimple comple variable.
16684
16685 2006-01-13  Richard Guenther  <rguenther@suse.de>
16686
16687         * builtins.c (expand_builtin_sincos): New function.
16688         (expand_builtin_mathfn_3): Remove dead code, sin and cos
16689         do not set errno.
16690         (expand_builtin): Expand sincos using expand_builtin_sincos.
16691
16692 2006-01-12  DJ Delorie  <dj@redhat.com>
16693
16694         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16695         shift counts, separate SI shifts for m32c vs m16c, pass shift type
16696         so that constant shifts can be split.
16697         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16698         (m32c_valid_pointer_mode): Make static.
16699         (shift_gen_func_for): New.
16700         (m32c_prepare_shift): Use it.  Split large const shifts into
16701         multiple shifts.
16702         * config/m32c/predicates.md (shiftcount_operand): Allow more
16703         general operands.
16704         (longshiftcount_operand): New.
16705         * doc/md.texi (Machine Constraints): Document In6.
16706
16707 2006-01-13  Ben Elliston  <bje@au.ibm.com>
16708
16709         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16710         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16711         documentation.
16712
16713 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
16714
16715         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16716         to try to avoid clobbering pieces of structures when we know
16717         something about the whole structure.
16718         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16719
16720 2006-01-13  Ben Elliston  <bje@au.ibm.com>
16721
16722         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16723         return in memory, as this is no limitation is no longer present.
16724
16725 2006-01-12  DJ Delorie  <dj@redhat.com>
16726
16727         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16728         mova with fb, and for fb+0 -> An.
16729
16730         * config/m32c/mov.md (peephole2): Fix enabling logic.
16731
16732         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16733         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16734         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16735         FINI_ARRAY_SECTION_ASM_OP): Define.
16736
16737         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16738         variable.
16739         (m32c_legitimize_reload_address): New logic to reload FB to An.
16740         (m32c_output_reg_push): Add newline.
16741         (m32c_output_reg_pop): Likewise.
16742
16743 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
16744
16745         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16746
16747 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
16748
16749         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16750
16751 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16752
16753         * config/sh/predicates.md (sh_rep_vec): Add parallel to
16754         match_code.
16755
16756 2006-01-11  Ben Elliston  <bje@au.ibm.com>
16757
16758         * rtlanal.c (find_reg_note): Assert insn is not null.
16759
16760 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
16761
16762         * df-scan.c (df_hard_reg_init): Move declaration of i outside
16763         ifdef.
16764
16765 2006-01-11  Jeff Law  <law@redhat.com>
16766
16767         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16768         hold edge pairs.
16769         (mark_threaded_blocks, register_jump_thread): New functions.
16770         (thread_through_all_blocks): Remove unwanted argument.  No
16771         longer rely on e->aux to communicate thread target info.
16772         Call mark_threaded_blocks.  Release the threaded_blocks
16773         bitmap and threaded_edges vector when complete.
16774         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16775         (threaded_blocks): Remove.
16776         (tree_ssa_dominator_optimize): Remove initialization and
16777         finalization of threaded_blocks.  Simplify call to
16778         thread_through_all_blocks.
16779         (thread_across_edge): Call register_jump_thread rather than
16780         storing thread information into e->aux.
16781         (free_all_edge_infos): Simplify now that e->aux is no longer
16782         used to communicate with thread_through_all_blocks.
16783         * tree-flow.h (thread_through_all_blocks): Update prototype.
16784         (register_jump_thread): Prototype.
16785
16786 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16787
16788         * df-core.c (df_compact_blocks, df_bb_replace): Use
16789         SET_BASIC_BLOCK instead of BASIC_BLOCK.
16790
16791 2006-01-11  Richard Guenther  <rguenther@suse.de>
16792
16793         PR tree-optimization/25734
16794         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16795         stop propagation after successful propagation to the LHS.
16796
16797 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16798
16799         * basic-block.h (control_flow_graph): Change the type of
16800         x_basic_block_info to VEC(basic_block,gc) *.
16801         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16802         basic_block_info.
16803         (SET_BASIC_BLOCK): New.
16804         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16805         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16806         * cfgbuild.c (find_basic_blocks): Likewise.
16807         * cfglayout.c (fixup_reorder_chain): Likewise.
16808         * cfgrtl.c (create_basic_block_structure,
16809         rtl_create_basic_block): Likewise.
16810         * ifcvt.c (find_if_case_1): Likewise.
16811         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16812         Likewise.
16813
16814 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
16815
16816         * Makefile.in: Removed rotted odf.c entry.
16817
16818 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
16819
16820         PR target/25706
16821         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16822         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16823         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16824         output pattern modifier, not %e.
16825         * config/cris/cris.c (cris_op_str): Update comment about pattern
16826         modifier.
16827         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16828         before falling through into...
16829         <case 'E'>: Redefined from old 'e' case.
16830
16831 2006-01-11  Jan Hubicka  <jh@suse.cz>
16832
16833         PR target/25042
16834         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16835
16836 2006-01-11  Jan Hubicka  <jh@suse.cz>
16837
16838         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16839         * i386.c (x86_decompose_lea): Kill.
16840         (ix86_rtx_costs): Kill.
16841
16842 2006-01-11  Jan Hubicka  <jh@suse.cz>
16843
16844         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16845         * cgraph.h (cgraph_node): Add inline_decl.
16846         (cgraph_insert_node_to_hashtable): Declare.
16847         (save_inline_function_body): Declare.
16848         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16849         clones.
16850         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16851         (cgraph_function_versioning): Update call of tree_function_versioning.
16852         (save_inline_function_body): New function.
16853         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16854         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16855         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16856         (cgraph_default_inline_p): Likewise.
16857         (cgraph_decide_inlining_incrementally): Likewise.
16858         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16859         (copy_bb): Kill saving; do updating of clones.
16860         (copy_cfg_body): Kill saving.
16861         (initialize_inlined-parameters): Likewise.
16862         (expand_call_inline): Likewise.
16863         (save_body): Kill.
16864         (tree_function_versioning): New parameter "update_clones".
16865         (inlining_p): Kill saving.
16866         * tree-inline.h (tree_function_versioning): Update prototype.
16867         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16868         saving.
16869
16870 2006-01-11  Ian Lance Taylor <ian@airs.com>
16871
16872         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
16873         Allow undoing set of machine mode.
16874         (do_SUBST): Use enums instead of is_int.
16875         (do_SUBST_MODE): New function.
16876         (SUBST_MODE): New macro.
16877         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16878         reg and trying to replace reg_regno_rtx with a new register.
16879         (undo_all): Use new enums, handle undoing a PUT_MODE change.
16880         (simplify_set): Use SUBST_MODE.
16881         (distribute_notes): Remove code that tried to update reg notes
16882         for regno_reg_rtx changes.
16883
16884 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
16885
16886         PR tree-optimization/23109
16887         PR tree-optimization/23948
16888         PR tree-optimization/24123
16889
16890         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16891         * tree-cfg.c (single_noncomplex_succ): New.
16892         * tree-flow.h (single_noncomplex_succ): Declare it.
16893         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16894         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16895         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16896         insert_bb, register_division_in, insert_reciprocals,
16897         replace_reciprocal, free_bb): New.
16898         (execute_cse_reciprocals_1): Rewritten.
16899         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16900         Do not commit any edge insertion.  Always compute dominators and
16901         create the allocation pool.
16902         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16903         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16904         * targhooks.c (default_min_divistions_for_recip_mul): New.
16905         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16906         * passes.c (init_optimization_passes): Run recip after tree loop
16907         optimizations.
16908         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16909
16910 2006-01-11  Danny Berlin <dberlin@dberlin.org>
16911             Kenneth Zadeck <zadeck@naturalbridge.com>
16912
16913         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16914         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16915         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16916         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16917         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16918         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16919         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16920         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16921         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16922         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16923         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16924         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16925         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16926         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16927         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16928         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16929         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16930         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16931         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16932         DF_SCAN_POST_ALLOC): New macros.
16933         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16934         df_free_bb_function, df_local_compute_function, df_init_function,
16935         df_dataflow_function, df_confluence_function_0,
16936         df_confluence_function_n, df_transfer_function,
16937         df_finalizer_function, df_free_function, df_dump_problem_function,
16938         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16939         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16940         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16941         df_urec_bb_info, ) New types.
16942         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16943         variables.
16944         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16945         df_analyze_simple_change_some_blocks,
16946         df_analyze_simple_change_one_block, df_compact_blocks,
16947         df_bb_replace, df_bb_regno_last_use_find,
16948         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16949         df_insn_regno_def_p, df_find_def, df_find_use,
16950         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16951         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16952         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16953         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16954         debug_df_chain, df_get_dependent_problem, df_chain_create,
16955         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16956         df_grow_bb_info, df_chain_dump, df_print_bb_index,
16957         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16958         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16959         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16960         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16961         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16962         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16963         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16964         df_ref_remove, df_insn_refs_delete, df_refs_delete,
16965         df_reorganize_refs, df_set_state, df_hard_reg_init,
16966         df_read_modify_subreg_p) New public functions.
16967         * df-core.c: The core dataflow solver and glue routines for rtl
16968         dataflow.
16969         (df_init, df_add_problem, df_set_blocks, df_finish,
16970         df_hybrid_search_forward, df_hybrid_search_backward,
16971         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16972         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16973         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16974         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16975         df_reg_defined, df_find_use, df_reg_used, df_dump,
16976         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16977         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16978         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16979         debug_df_useno, reset_df_after_reload): New functions.
16980         * df-scan.c: The scanning fuctions, once in df.c, completely
16981         rewritten so that they now fully model the functionality of
16982         register usage at the backend.
16983         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16984         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16985         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16986         df_grow_insn_info, df_rescan_blocks, df_ref_create,
16987         df_get_artificial_defs, df_get_artificial_uses,
16988         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16989         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16990         df_refs_delete, df_reorganize_refs, df_set_state,
16991         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16992         df_def_record_1, df_defs_record, df_uses_record,
16993         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16994         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16995         df_record_exit_block_uses, df_hard_reg_init): New functions.
16996
16997         * df-problems.c: Seven concrete dataflow problems that use the
16998         scanning in df-scan.c and are solved by the engine in df-core.c.
16999         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17000         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17001         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17002         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17003         df_ru_free_bb_info, df_ru_alloc,
17004         df_ru_bb_local_compute_process_def,
17005         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17006         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17007         df_ru_transfer_function, df_ru_free, df_ru_dump,
17008         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17009         df_rd_free_bb_info, df_rd_alloc,
17010         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17011         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17012         df_rd_transfer_function, df_rd_free, df_rd_dump,
17013         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17014         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17015         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17016         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17017         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17018         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17019         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17020         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17021         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17022         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17023         df_urec_mark_reg_change, df_urec_check_earlyclobber,
17024         df_urec_mark_reg_use_for_earlyclobber,
17025         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17026         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17027         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17028         df_urec_dump, df_urec_add_problem, df_chain_alloc,
17029         df_chain_create_bb_process_use, df_chain_create_bb,
17030         df_chain_finalize, df_chain_free, df_chains_dump,
17031         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17032         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17033         df_reg_lifetime): New functions.
17034         * df.c: Deleted file.
17035         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17036         consistent with new df api.
17037         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17038         rest_of_handle_sms): Ditto.
17039         * web.c (unionfind_union, union_defs, entry_register, web_main):
17040         Ditto.
17041         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17042         invariant_expr_equal_p, find_defs, check_dependencies,
17043         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17044         free_inv_motion_data, move_loop_invariants): Ditto.
17045         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17046         Update dependencies.
17047         (odf.c): Added defective entry that was deleted later in day.
17048         * sched-deps.c (sched_analyze_1): Ditto.
17049
17050 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
17051
17052         * tree-ssa-operands.c (get_expr_operands): Record addressable
17053         variables directly.  Do not call add_stmt_operands for CONST_DECLs
17054         and ARRAY_DECLs.
17055         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17056         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17057
17058 2006-01-11  Ben Elliston  <bje@au.ibm.com>
17059
17060         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17061         function returns true in the positive case.
17062
17063 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17064
17065         PR target/20754
17066         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17067         for SI, DI, SF and DF modes.  Add alternatives to copy between
17068         general and floating point registers to the 32-bit patterns.
17069         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17070         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17071         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17072         generating 64-bit code.
17073         * config/pa/pa.c (output_move_double): Handle copies between general
17074         and floating registers.
17075
17076 2006-01-10  Stuart Hastings  <stuart@apple.com>
17077
17078         * config/i386/i386.md (set_got): Update.
17079         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
17080         (builtin_setjmp_receiver): Mach-O support.
17081         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17082         (GOT_SYMBOL_NAME): Define.
17083         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17084         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17085         * config/i386/i386.c (override_options): Revise for Darwin.
17086         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
17087         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
17088         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
17089         * config/i386/i386-protos.h (output_set_got): Likewise.
17090         * config/darwin.c (machopic_legitimize_pic_address): Update
17091         regs_ever_live[].
17092
17093 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
17094
17095         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17096         when MODE isn't BLKmode.
17097
17098 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
17099
17100         PR rtl-optimization/25367
17101         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17102
17103 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
17104
17105         PR target/25718
17106         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17107         for a negative bound.
17108
17109 2006-01-10  Richard Guenther  <rguenther@suse.de>
17110
17111         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17112         Never override with anything constraint.
17113
17114 2006-01-10  Jan Beulich  <jbeulich@novell.com>
17115
17116         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17117         256 bits when optimize_size.
17118
17119 2006-01-10  Jan Beulich  <jbeulich@novell.com>
17120
17121         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17122         MASK_ALIGN_DOUBLE.
17123         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17124         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17125         arguments.
17126
17127 2006-01-10  Ben Elliston  <bje@au.ibm.com>
17128
17129         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17130         float modes.
17131         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17132         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17133         (USE_FP_FOR_ARG): Reject decimal float modes.
17134         (function_arg_advance): Likewise.
17135         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17136         (rs6000_handle_altivec_attribute): Do not permit decimal floating
17137         point types in AltiVec vectors.
17138         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17139         (rs6000_libcall_value): Likewise.
17140
17141 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
17142
17143         * config/xtensa/ieee754-df.S: New file.
17144         * config/xtensa/ieee754-sf.S: New file.
17145         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17146         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17147         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17148
17149 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
17150
17151         * config/sh/predicates.md (binary_float_operator,
17152         binary_logical_operator, commutative_float_operator,
17153         equality_comparison_operator, greater_comparison_operator,
17154         less_comparison_operator, logical_operator,
17155         noncommutative_float_operator, shift_operator,
17156         symbol_ref_operand, unary_float_operator): Remove redundant
17157         conditionals.
17158
17159 2006-01-09  Jeff Law  <law@redhat.com>
17160
17161         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17162         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
17163         now unused arguments.  Callers updated.
17164         (eliminate_redundant_computations): Remove now unused arguments,
17165         callers updated.
17166         (local_fold): Remove, no longer used.
17167         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17168         and moved to...
17169         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17170         (simplify_cond): New function.
17171         (forward_propagate_into_cond): Call simplify_cond.
17172
17173 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
17174
17175         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17176         (*vec_extractv2di_1_sse): New.
17177
17178 2006-01-09  Ben Elliston  <bje@au.ibm.com>
17179
17180         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17181
17182 2006-01-08  Richard Guenther  <rguenther@suse.de>
17183
17184         * tree-ssa-structalias.c (get_constraint_for): Remove
17185         anyoffset argument.
17186         (get_constraint_for_component_ref): Likewise.
17187         (do_deref): Likewise.
17188         (get_constraint_for): Likewise.
17189         (do_structure_copy): Likewise.
17190         (handle_ptr_arith): Likewise.
17191         (find_func_aliases): Likewise.  Remove unused need_anyoffset
17192         variable.
17193
17194 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
17195             Kaz Kojima  <kkojima@gcc.gnu.org>
17196
17197         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17198         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17199         (EXTRA_CONSTRAINT_C16): Remove.
17200         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17201         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17202         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17203         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17204         constants of SHmedia.  Handle nested constant expressions of
17205         SHmedia correctly.
17206         (andcosts): Fix the costs for SHmedia constants.
17207         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17208         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17209         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17210         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17211         (movv4hi_i, movv2si_i): Likewise.
17212         (movsi_const): Adjust the second operand of ior so to match with
17213         the Csu constraint.
17214         (movdi_const, movdi_const_32bit): Likewise.
17215         (movdi_const_16bit+1): Don't sign-extend LOW.
17216         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
17217         step.
17218         (*double_shori): Fix the split condition.  Use GEN_INT instead
17219         of get_int_mode calls.  Mask lower 16-bit of the argument of
17220         the last GEN_INT.
17221         (sym2GOTPLT): Remove.
17222         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17223         gen_rtx_UNSPEC.
17224         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17225         instead of EXTRA_CONSTRAINT_C16.
17226
17227 2006-01-07  Ian Lance Taylor  <ian@airs.com>
17228             David Edelsohn  <edelsohn@gnu.org>
17229
17230         PR rtl-optimization/25662
17231         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17232         for constant operands instead of simplify_gen_binary.
17233         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17234         after trying simplify_binary_operation
17235
17236 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
17237
17238         * tree.c (iterative_hash_expr): Hash decls based on UID.
17239
17240 2006-01-06  Eric Christopher  <echristo@apple.com>
17241
17242         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17243         (TARGET_UNWIND_EMIT): Fix spelling.
17244         * target.h (gcc_target): Add except_table_label.
17245         * except.c (output_function_exception_table): Use.
17246         * varasm.c (default_emit_except_table_label): New.
17247         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17248         define.
17249         (asm_out): Add here.
17250         * output.h (default_emit_except_table_label): Prototype.
17251         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17252         * config/darwin.c (darwin_emit_except_table_label): Define.
17253         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17254
17255 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
17256
17257         PR tree-optimization/18527
17258         * tree-ssa-loop-niter.c (number_of_iterations_cond,
17259         number_of_iterations_special, number_of_iterations_exit):
17260         Move base and step of an iv to a single structure.  Add
17261         no_overflow flag, and use it in # of iterations analysis.
17262         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17263         folded_casts argument.
17264         (simple_iv): Pass base and step in a structure.  Set no_overflow
17265         flag.
17266         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17267         Evaluate expensiveness of computing # of iterations instead of
17268         the final expression.
17269         * tree-scalar-evolution.h (affine_iv): New structure.
17270         (simple_iv): Declaration changed.
17271         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17272         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17273         find_givs_in_stmt): Changed due to simple_iv change.
17274
17275 2006-01-06  Jeff Law  <law@redhat.com>
17276
17277         PR ada/24994
17278         * tree-cfg.c (bsi_replace): Rename final argument from
17279         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
17280         change (stmt -> orig_stmt).
17281         * tree-eh.c (verify_eh_throw_stmt_node): New function.
17282         (bsi_remove): Add new argument.  Remove EH information
17283         if requested.
17284         (verify_eh_throw_table_statements): New function.
17285         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
17286         updated.
17287         * tree-optimize.c (execute_free_cfg_annotations): Verify
17288         the EH throw statement table after removing annotations.
17289         * except.h (verify_eh_throw_table_statements): Prototype.
17290         * tree-flow.h (bsi_remove): Update prototype.
17291         * tree-vrp.c (remove_range_assertions): Add new argument to
17292         bsi_remove call.
17293         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17294         * tree-complex.c (expand_complex_div_wide): Likewise.
17295         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17296         * tree-tailcall.c (eliminate_tailcall): Likewise.
17297         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17298         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17299         * tree-nrv.c (tree_nrv): Likewise.
17300         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17301         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17302         (combine_blocks): Likewise.
17303         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17304         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17305         (cleanup_control_flow): Likewise.
17306         (remove_forwarder_block): Likewise.
17307         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17308         * tree-sra.c (sra_replace): Likewise.
17309         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17310         (forward_propagate_single_use_vars): Likewise.
17311         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17312         * tree-inline.c (expand_call_inline): Likewise.
17313         * tree-vect-transform.c (vect_transform_loop): Likewise.
17314         * tree-outof-ssa.c (rewrite_trees): Likewise.
17315         * tree-cfg.c (make_goto_expr_edges): Likewise.
17316         (cleanup_dead_labels): Likewise.
17317         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17318         (bsi_move_before, bsi_move_after): Likewise.
17319         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17320         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17321
17322 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
17323
17324         PR tree-opt/25528
17325         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17326         and IMAGPART_EXPR.
17327         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17328         on non gimple variables.  Also add checks at the top for decls and
17329         mtags.
17330         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17331         complex types.
17332         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17333         and IMAGPART_EXPR for creating MUST_DEFs.
17334         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17335         and NAME_MEMORY_TAG separately from the DECLs.
17336
17337 2006-01-06  Richard Guenther  <rguenther@suse.de>
17338
17339         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17340         annotation, if necessary.
17341         * tree-ssa-pre.c (create_expression_by_pieces): Remove
17342         redundant calls to update_stmt.
17343         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17344         Likewise.
17345
17346 2006-01-05  Richard Henderson  <rth@redhat.com>
17347
17348         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17349
17350 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
17351
17352         * c-typeck.c: Update copyright date.
17353
17354 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
17355
17356         * c-typeck.c (build_c_cast): Always warn when casting
17357         from a pointer to an integer of different size, even if
17358         the node was constant.
17359
17360 2006-01-05  Richard Guenther  <rguenther@suse.de>
17361
17362         PR tree-optimization/22555
17363         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17364         if one structure field is an array.
17365         * tree-ssa-operands.c (get_expr_operands): Continue scanning
17366         operands even if we found a subvar, but ignore VOPs in this
17367         case.
17368         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17369         for renaming.
17370         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17371
17372 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
17373
17374         PR middle-end/24998
17375         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17376
17377 2006-01-05  Richard Guenther  <rguenther@suse.de>
17378             Diego Novillo  <dnovillo@redhat.com>
17379
17380         * tree-pass.h (TODO_remove_unused_locals): Define.
17381         * gimple-low.c (expand_var_p, remove_useless_vars,
17382         pass_remove_useless_vars): Remove.  Update all users.
17383         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17384         (remove_unused_locals): New function.
17385         * tree-flow.h (remove_unused_locals): Declare.
17386         * passes.c (execute_todo): Call remove_unused_locals if
17387         TODO_remove_unused_locals is set.
17388         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17389         * tree-ssa-dce.c (pass_dce): Likewise.
17390         * tree-outof-ssa.c (pass_del_ssa): Likewise.
17391
17392 2006-01-05  Richard Guenther  <rguenther@suse.de>
17393
17394         * tree-flow.h (struct fieldoff): Decompose field to
17395         type, size and decl.
17396         * tree-ssa-alias.c (create_sft): Take type as parameter.
17397         (create_overlap_variables_for): Store type, size and decl
17398         in the fieldoff structure.
17399         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17400         of struct fieldoff.
17401         (push_fields_onto_fieldstack): Likewise.
17402         (create_variable_info_for): Likewise.  Use offset for the
17403         SFT name if the decl is not available.
17404
17405 2006-01-04  Paul Brook  <paul@codesourcery.com>
17406
17407         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17408
17409 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
17410
17411         * lambda-code.c (can_put_in_inner_loop): Relax
17412         restrictions.
17413         (can_put_after_inner_loop): New function.
17414         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17415         (perfect_nestify): Change to make copies and modify uses.
17416
17417 2006-01-04  Richard Henderson  <rth@redhat.com>
17418
17419         Merge from gomp branch:
17420         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17421         via integer constant.
17422         (pragma_lex): Remove.
17423         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17424         rather than parsing it.
17425         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17426         handle_pragma_extern_prefix): Add %< %> quotes.
17427         (registered_pragmas): New.
17428         (c_register_pragma_1): New.
17429         (c_register_pragma): Use it.
17430         (c_register_pragma_with_expansion): Likewise.
17431         (c_invoke_pragma_handler): New.
17432         (init_pragma): Use cpp_register_deferred_pragma directly for
17433         pch_preprocess.
17434         * c-pragma.h (enum pragma_kind): New.
17435         (pragma_handler): New.
17436         (c_invoke_pragma_handler): Declare.
17437         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17438         CPP_PRAGMA_EOL.
17439         * c-common.h (c_common_pch_pragma): Update decl.
17440         * Makefile.in (c-parser.o): Update dependencies.
17441         (GTFILES): Add c-pragma.h.
17442         * c-parser.c (struct c_token): Add pragma_kind.
17443         (struct c_parser): Add in_pragma.
17444         (c_lex_one_token): Always initialize keyword and pragma_kind.
17445         Extract data for CPP_PRAGMA.
17446         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17447         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17448         Don't allow CPP_PRAGMA_EOL if in_pragma.
17449         (c_parser_consume_pragma): New.
17450         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17451         (c_parser_skip_to_end_of_parameter): Likewise.
17452         (c_parser_skip_to_end_of_block_or_statement): Likewise.
17453         (c_parser_skip_to_pragma_eol): New.
17454         (c_parser_external_declaration): Handle CPP_PRAGMA.
17455         (c_parser_compound_statement_nostart): Likewise.
17456         (c_parser_statement_after_labels): Likewise.
17457         (c_parser_pragma): New.
17458         (pragma_lex): Likewise.
17459         (c_parser_pragma_pch_preprocess): New.
17460         (c_parser_new): Merge into ...
17461         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
17462
17463 2006-01-04  Jeff Law  <law@redhat.com>
17464
17465         PR ada/24994
17466         * tree-cfg.c (bsi_replace): Remove the original statement
17467         from the EH throw statement table.
17468
17469 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
17470
17471         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17472         make the prototype extern "C" and add throw ().
17473
17474         PR target/25554
17475         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17476         and pos non-negative and pos + len <= 32.
17477         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17478         drop pos + len < HOST_BITS_PER_WIDE_INT test.
17479         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17480
17481         PR c/25559
17482         * c-common.c (handle_vector_size_attribute): Reject zero vector size
17483         as well as sizes not multiple of component size.
17484
17485         PR debug/25562
17486         * function.c (instantiate_expr): New function.
17487         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17488         walk its DECL_VALUE_EXPR with instantiate_expr.
17489
17490         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17491         DW_OP_deref{,_size} if address isn't going to be added.
17492
17493 2006-01-04  Ben Elliston  <bje@au.ibm.com>
17494
17495         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17496         * config/fp-bit.c: Likewise.
17497
17498 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
17499
17500         * dominance.c: Add comment about why we use DFS numbering
17501         of dominance tree.
17502
17503 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
17504             Richard Henderson  <rth@redhat.com>
17505
17506         Merge from gomp-branch:
17507         * varasm.c (assemble_variable): Handle thread-local COMMON data.
17508         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17509
17510 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
17511
17512         PR rtl-optimization/25578
17513         * combine.c (combine_simplify_rtx, force_to_mode): Don't
17514         pass a parameter to simplify_shift_const if changing ASHIFTRT
17515         to LSHIFTRT.
17516
17517 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
17518
17519         * builtins.c (get_builtin_sync_mem): New function.
17520         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17521         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17522         Call get_builtin_sync_mem to generate mem rtx.
17523
17524 2006-01-03  Richard Guenther  <rguenther@suse.de>
17525
17526         PR c/25183
17527         * stmt.c (add_case_node): Make sure to clear overflow flags
17528         from ranges.
17529
17530 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
17531
17532         Merge from gomp-branch.
17533         * config/sparc/sync.md: New file.
17534         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17535         UNSPECV_LDSTUB): New constants.
17536         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17537         * config/sparc/predicates.md (memory_reg_operand): New predicate.
17538         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17539         prototype.
17540
17541 2006-01-03  Roger Sayle  <roger@eyesopen.com>
17542
17543         * combine.c (reg_subword_p): New predicate to test whether the
17544         destination of a set refers to a subword/piece of a register.
17545         (try_combine): Generalize the code to merge the setting of a
17546         pseudo to a constant followed by a set of a subword of that
17547         register to a constant.
17548
17549 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
17550
17551         * basic-block.h (control_flow_graph): Change the type of
17552         x_label_to_block_map to VEC(basic_block,gc) *.
17553         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17554         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17555
17556         * tree-ssa-propagate.c (cfg_blocks): Change the type to
17557         VEC(basic_block,heap) *.
17558         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17559         ssa_prop_fini): Adjust the uses of cfg_blocks.
17560
17561 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
17562
17563         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17564         COMPONENT_REFs.
17565         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17566         hashing trees instead of a pointer hash.
17567         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17568         compare for MEM_EXPR.
17569
17570         PR rtl-optimization/25130
17571         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17572         when comparing MEMs for GCSE
17573
17574 2006-01-03  Ben Elliston  <bje@au.ibm.com>
17575
17576         * targhooks.h (default_decimal_float_supported_p): Declare.
17577         * targhooks.c (default_decimal_float_supported_p): Define.
17578         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17579         `default_decimal_float_supported_p'.
17580         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17581
17582 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
17583
17584         * combine.c (apply_distributive_law <SUBREG>): Check
17585         TRULY_NOOP_TRUNCATION.
17586
17587 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
17588
17589         * dwarf2out.c (have_switched_text_section): Delete.
17590         (have_multiple_function_sections): New.
17591         (have_location_lists): Make 'bool'.
17592         (add_AT_loc_list): Use 'true' not '1'.
17593         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17594         (output_loc_list): Use have_multiple_function_sections.
17595         (output_ranges): Likewise.
17596         (dwarf2out_begin_function): Set have_multiple_function_sections if
17597         necessary.
17598         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17599         Check function_section rather than DECL_SECTION_NAME.
17600         (dwarf2out_finish): Use have_multiple_function_sections.
17601         Don't clear have_location_lists.
17602
17603 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
17604             Jan Hubicka  <jh@suse.cz>
17605
17606         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17607         case of conditional jump jumping to the next instruction.
17608         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17609         cases of conditional jump jumping to the next instruction.
17610
17611 2006-01-02  Jan Hubicka  <jh@suse.cz>
17612
17613         * i386.c (*_cost): Add COSTS_N_INSNS.
17614         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17615
17616 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
17617
17618         PR target/25259
17619         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17620
17621 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17622
17623         * config/arm/arm.c (all_fpus): Fix comment typo.
17624         * config/darwin.c: Likewise.
17625         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17626         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17627         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17628
17629 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
17630
17631         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17632         (rs6000_split_compare_and_swapqhi): New.
17633         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17634         (sync_compare_and_swapqhi_internal): New.
17635         * config/rs6000/rs6000-protos.h: Declare.