gcc/ChangeLog

   1 2006-11-05  Kaz Kojima  <kkojima@gcc.gnu.org>
   2
   3         * config/sh/lib1funcs-4-300.asm: Guard entire file with
   4         #if !__SHMEDIA__ .
   5
   6 2006-11-05  Jakub Jelinek  <jakub@redhat.com>
   7
   8         PR middle-end/29695
   9         * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
  10         simplification.
  11
  12 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
  13
  14         PR target/26915
  15         * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
  16         as a valid 80387 constant.
  17         (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
  18         * config/i386/i386.md (unnamed splitter): Split the load of
  19         constant -0.0 or -1.0  into the load of 0.0 or 1.0, followed
  20         by negation.
  21
  22 2006-11-04  Richard Earnshaw  <rearnsha@arm.com>
  23
  24         * arm.c (thumb_legitimate_addres_p): Allow any constant offset
  25         from the soft-frame, argument and virtual registers.
  26
  27 2006-11-04  Uros Bizjak  <ubizjak@gmail.com>
  28
  29         * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
  30         patterns for standard 80387 constants.
  31
  32 2006-11-03  Paolo Bonzini  <bonzini@gnu.org>
  33             Steven Bosscher  <steven@gcc.gnu.org>
  34
  35         * fwprop.c: New file.
  36         * Makefile.in: Add fwprop.o.
  37         * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
  38         * passes.c (init_optimization_passes): Schedule forward propagation.
  39         * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
  40         parameter.
  41         * timevar.def (TV_FWPROP): New.
  42         * common.opt (-fforward-propagate): New.
  43         * opts.c (decode_options): Enable forward propagation at -O2.
  44         * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
  45         * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
  46         canon_for_address, table_size): Remove.
  47         (new_basic_block, insert, remove_from_table): Remove references to
  48         table_size.
  49         (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
  50         simplification loop more straightforward by not calling fold_rtx
  51         recursively.
  52         (equiv_constant): Move here a small part of fold_rtx_subreg,
  53         do not call fold_rtx.  Call avoid_constant_pool_reference
  54         to process MEMs.
  55         * recog.h (canonicalize_change_group): New.
  56
  57         * doc/invoke.texi (Optimization Options): Document fwprop.
  58         * doc/passes.texi (RTL passes): Document fwprop.
  59
  60 2006-11-03  Geoffrey Keating  <geoffk@apple.com>
  61
  62         * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
  63         (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
  64         (grokdeclarator): Likewise.
  65
  66 2006-11-03  Steven Bosscher  <steven@gcc.gnu.org>
  67
  68         * tree-dump.c (dump_enable_all): Rename local variable
  69         ir_type to avoid name conflicts.
  70         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
  71         instead of using ir_type().
  72         * profile.c (tree_register_profile_hooks): Likewise.
  73         * value-prof.c (tree_register_value_prof_hooks): Likewise.
  74         * basic-block.h (struct edge_def): Likewise.
  75         * config/arm/arm.c (legitimize_pic_address): Likewise.
  76         * coretypes.h (ir_type): New enum of all intermediate languages
  77         used in GCC.
  78         * cfghooks.c (ir_type): Rename to...
  79         (current_ir_type): ...this.  Distinguish between cfgrtl and
  80         cfglayout mode when the current IR is RTL.  Return enum ir_type.
  81         * cfghooks.h (ir_type): Replace with current_ir_type prototype.
  82
  83 2006-11-03  Paul Brook  <paul@codesourcery.com>
  84
  85         * config/arm/arm.c (arm_file_start): New function.
  86         (TARGET_ASM_FILE_START): Define.
  87         (arm_default_cpu): New variable.
  88         (arm_override_options): Set arm_default_cpu.
  89
  90 2006-11-03  David Ung  <davidu@mips.com>
  91
  92         * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
  93         PROCESSOR_24KC and PROCESSOR_24KF.
  94         * config/mips/mips.c (mips_cpu_info_table): Add processor names
  95         and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
  96         (mips_rtx_cost_data): Add costs for the 24kc.
  97         * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
  98         * config/mips/24k.md: Remove references to 24k and replace with
  99         uses of 24kc/24kf in the appropriate reservations.
 100         * doc/invoke.texi (MIPS Options): Updated.
 101
 102 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
 103
 104         * config/sh/crt1.asm: Fix #ifdef indent.
 105
 106 2006-11-03  J"orn Rennecke  <joern.rennecke@st.com>
 107         Merged from STMicroelectronics sources:
 108         2006-10-06  Andrew Stubbs  <andrew.stubbs@st.com>
 109           * config/sh/crt1.asm (vbr_600): Add missing #if.
 110         2006-08-03  J"orn Rennecke  <joern.rennecke@st.com>
 111           * sh.opt (mfused-madd): New option.
 112           * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
 113         2006-07-04  Andrew Stubbs  <andrew.stubbs@st.com>
 114           * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
 115           Remove pointless handler at VBR+0.
 116           (vbr_200, vbr_300, vbr_500): Remove pointless handler.
 117           (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
 118           fr7. Make sure the timer handler is called with the correct FPU
 119           precision setting, according to the ABI.
 120         2006-06-14  J"orn Rennecke <joern.rennecke@st.com>
 121           * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
 122           * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
 123           (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
 124         2006-06-09  J"orn Rennecke <joern.rennecke@st.com>
 125           * sh.md (cmpgeusi_t): Change into define_insn_and_split.  Accept
 126           zero as second operand.
 127         2006-04-28  J"orn Rennecke <joern.rennecke@st.com>
 128           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
 129           Fixed some bugs related to negative values, in particular -0
 130           and overflow at -0x80000000.
 131           * config/sh/divcost-analysis: Added sh4-300 figures.
 132         2006-04-27  J"orn Rennecke <joern.rennecke@st.com>
 133           * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
 134         2006-04-26  J"orn Rennecke <joern.rennecke@st.com>
 135           * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
 136           ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
 137           * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
 138         New files.
 139           * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
 140           -m4-340.
 141         2006-04-24  J"orn Rennecke <joern.rennecke@st.com>
 142           SH4-300 scheduling description & fixes to SH4-[12]00 description:
 143           * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
 144           mac_mem, mem_mac, dfp_mul, fp_cmp.
 145           (insn_class, dfp_comp, any_fp_comp): Update.
 146           (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
 147           (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
 148           (muldf3_i): Likewise.
 149           (movsi_i): Split rI08 alternative into two separate alternatives.
 150           Update type.
 151           (movsi_ie, movsi_i_lowpart): Likewise.
 152           (movqi_i): Split ri alternative into two separate alternatives.
 153           Update type.
 154           * sh1.md (sh1_load_store, sh1_fp): Update.
 155           * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
 156           (mac_mem, sh4_fpscr_toggle): New insn_reservations.
 157           * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
 158           (sh4a_fp_double_arith): Likewise.
 159           * sh4-300.md: New file.
 160           * sh.c (sh_handle_option): Handle m4-300* options.
 161           (sh_adjust_cost): Fix latency of auto-increments.
 162           Handle SH4-300 differently than other SH4s.  Check for new insn types.
 163           * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
 164           been set by an option.
 165           * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
 166           (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
 167           (mbranch-cost=): Likewise.
 168           * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
 169
 170           * sh.md (mulsf3): Remove special expansion code.
 171           (mulsf3_ie): Now a define_insn_and_split.
 172           (macsf3): Allow for TARGET_SH4.
 173
 174           * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
 175           * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
 176           (expand_cbranchdi4): Likewise.
 177           (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
 178           CONST_DOUBLE if the outer code is COMPARE.
 179           * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
 180           TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
 181           (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
 182           (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
 183           Remove redundant fp_{zero,one}_operand checks.
 184           * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
 185           * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
 186           (expand_cbranchdi4): Likewise.
 187         2006-04-20  J"orn Rennecke <joern.rennecke@st.com>
 188           * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
 189
 190 2006-11-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 191
 192         * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
 193         constraints.
 194
 195 2006-11-02  Brooks Moses  <brooks.moses@codesourcery.com>
 196
 197         * doc/invoke.texi: Fix mfp-trap-mode typo.
 198
 199 2006-11-02  Carlos O'Donell  <carlos@codesourcery.com>
 200
 201         * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
 202         * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
 203         file_end_indicate_exec_stack.
 204         * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
 205         Define as 0.
 206         * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
 207         for a non-executable stack.
 208         * crti.asm: Likewise.
 209         * crtn.asm: Likewise.
 210         * libunwind.S: Likewise.
 211
 212 2006-11-02  Ben Elliston  <bje@au.ibm.com>
 213
 214         * tree-ssa.c (warn_uninit): Use expand_location variables for
 215         locus and declaration locus.
 216
 217 2006-11-02  Kaz Kojima  <kkojima@gcc.gnu.org>
 218
 219         PR target/27405
 220         * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
 221         (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
 222         cmp{eq,gt,gtu}{si,di}_media.
 223         (*cmpne0si_media): Remove.
 224         (*movsicc_umin): Adjust gen_cmp*_media call.
 225         (unordered): Change the mode of unordered and operands[1] to
 226         SImode.
 227         (seq): Adjust gen_cmp*_media calls.  Make the mode of
 228         a temporary result of compare SImode if needed.  If the mode
 229         of operands[0] is DImode, extend the temporary result to DImode.
 230         (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
 231         (sunorderd): Change the mode of match_operand and unorderd to
 232         SImode.
 233         (cmpeq{sf,df}_media): Remove.
 234         (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
 235         (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
 236         and compare operation to SImode.
 237
 238 2006-11-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
 239
 240         * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
 241         instructions.
 242         (sparc64-sun-solaris2*): Likewise.
 243
 244 2006-11-02  Paul Brook  <paul@codesourcery.com>
 245
 246         * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
 247         from priority argument.  Use different section for non-default
 248         priority.
 249         * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
 250
 251 2006-11-02  Eric Botcazou  <ebotcazou@adacore.com>
 252
 253         PR other/29639
 254         * except.c (switch_to_exception_section): Do not cache the section
 255         if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
 256         and flag_function_sections is set.
 257
 258 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 259
 260         PR middle-end/29335
 261         * builtins.c (do_mpfr_sincos): New.
 262         (fold_builtin_1): Use it to fold builtin sincos.
 263
 264 2006-11-01  Roger Sayle  <roger@eyesopen.com>
 265
 266         * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
 267         it into -D_REENTRANT.
 268
 269 2006-11-01  Roger Sayle  <roger@eyesopen.com>
 270
 271         * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
 272         whether the assembler supports taking the difference of symbols in
 273         different sections.  On x86/Solaris, GAS does but Solaris as doesn't.
 274         * configure: Regenerate.
 275         * config.in: Regenerate.
 276         * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
 277         the assembler doesn't support taking the difference of symbols in
 278         different sections, i.e. we're using the native solaris assembler.
 279
 280 2006-11-01  Pete Steinmetz  <steinmtz@us.ibm.com>
 281             Peter Bergner  <bergner@vnet.ibm.com>
 282
 283         * doc/invoke.texi: Add cpu_type power6x
 284         (RS/6000 and PowerPC Options): Add -mmfpgpr.
 285         * config.gcc: Add cpu_type power6x.
 286         * configure.ac: Add test for mf{t,f}gpr instructions.
 287         (HAVE_AS_MFPGPR): New.
 288         * config.in: Regenerate.
 289         * configure: Regenerate.
 290         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
 291         * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
 292         shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
 293         and mftgpr attributes.
 294         (define_attr "cpu"): Add power6.
 295         Change instruction sequences to use new attributes.
 296         (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
 297         (fix_truncdfsi2_mfpgpr): New.
 298         (floatsidf_ppc64_mfpgpr): New.
 299         (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
 300         (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
 301         (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
 302         (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
 303         (fix_truncdfsi2): Use gpc_reg_operand constraint.
 304         * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
 305         7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
 306         Add descriptions for insert_dword, shift,trap,var_shift_rotate,
 307         cntlz,exts and var_delayed_compare.
 308         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
 309         _ARCH_PWR6X, if features enabled.
 310         * config/rs6000/rs6000.opt (mmfpgpr): New.
 311         * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
 312         (cached_can_issue_more): New variable.
 313         (processor_costs): Add power6_cost.
 314         (rs6000_sched_init): New function.
 315         (is_dispatch_slot_restricted): Deleted.
 316         (set_to_load_agen): New function.
 317         (is_load_insn,is_store_insn): New functions.
 318         (adjacent_mem_locations): New function.
 319         (insn_must_be_first_in_group): New function.
 320         (insn_must_be_last_in_group): New function.
 321         (rs6000_sched_reorder): New function.
 322         (rs6000_sched_reorder2): New function.
 323         (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
 324         TARGET_SCHED_REORDER2): Define.
 325         (processor_target_table): Use PROCESSOR_POWER6 for power6.
 326         Add power6x. Add MASK_MFPGPR for power6x.
 327         (POWERPC_MASKS): Add MASK_MFPGPR.
 328         (rs6000_override_options): Set rs6000_always_hint to false
 329         for power6.  Set rs6000_align_branch_targets. Replace
 330         rs6000_sched_groups check with rs6000_align_branch_targets.
 331         Use PROCESSOR_POWER6.
 332         (last_scheduled_insn): New variable.
 333         (load_store_pendulum): New variable.
 334         (rs6000_variable_issue): Set last_scheduled_insn and
 335         cached_can_issue_more.
 336         (rs6000_adjust_cost): Add power6 cost adjustments.
 337         (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
 338         with insn_must_be_first_in_group. Add power6 priority adjustments.
 339         (rs6000_issue_rate): Add CPU_POWER6.
 340         (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
 341         * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
 342         (TARGET_MFPGPR): New.
 343         (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
 344         (ASM_CPU_SPEC): Add power6x.
 345         (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
 346         conditions.
 347         * config/rs6000/power6.md: New file.
 348
 349 2006-11-01  Adam Nemet  <anemet@caviumnetworks.com>
 350
 351         * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
 352         HOST_WIDE_INT_PRINT to print high and low parts.  Use
 353         HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT.  When
 354         printing a hexadecimal number prefix it with 0x.
 355
 356 2006-11-01  Chris Johns <chris@contemporary.net.au>
 357
 358         PR bootstrap/28400
 359         * Makefile.in (install-driver): Use exeext when installing
 360         $target-gcc-$version.
 361
 362 2006-11-01      Douglas Gregor <doug.gregor@gmail.com>
 363
 364         * c-common.c (flag_cpp0x): New.
 365         * c-common.h (flag_cpp0x): New.
 366         * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
 367         supported, define __GXX_EXPERIMENTAL_CPP0X__.
 368         * c-opts.c (set_std_cxx0x): New.
 369         (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
 370         * c.opt (std=c++0x): Document.
 371         (std=gnu++0x): Ditto.
 372         * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
 373         * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
 374
 375 2006-11-01  Richard Guenther  <rguenther@suse.de>
 376
 377         * config/i386/i386.c (ix86_expand_rint): Fix issues with
 378         signed zeros.
 379         (ix86_expand_floorceildf_32): Likewise.
 380         (ix86_expand_floorceil): Likewise.
 381         (ix86_expand_trunc): Likewise.
 382
 383 2006-10-31  Andrew Pinski  <pinskia@gmail.com>
 384
 385         * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
 386         to "GNU C89".
 387
 388 2006-11-01  Danny Smith  <dannysmith@users.sourceforge.net>
 389
 390         * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
 391         hook.
 392         * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
 393         default.
 394         * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
 395         Override default.
 396         * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
 397         * configure.ac (use_cxa_atexit): As a special case, don't test
 398         for libc definition of __cxa_atexit on mingw32
 399         * configure: Regenerate.
 400         * config.gcc (i[34567]86-pc-mingw32): Default to
 401         enable__cxa_atexit=yes.
 402
 403 2006-11-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 404
 405         * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
 406
 407 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 408
 409         PR 23067
 410         * c-decl.c (start_struct): Don't create self-containing
 411         structures.
 412         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
 413         New.
 414         * config/rs6000/rs6000-protos.h
 415         (darwin_rs6000_special_round_type_align): New.
 416         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
 417         (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
 418
 419 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 420
 421         * toplev.c (compile_file): Call final_write_globals
 422         even if there have been errors.
 423
 424 2006-10-31  Eric Christopher  <echristo@apple.com>
 425             Falk Hueffner  <falk@debian.org>
 426
 427         * doc/extend.texi (__builtin_bswap32): Document.
 428         (__builtin_bswap64): Ditto.
 429         * doc/libgcc.texi (bswapsi2): Document.
 430         (bswapdi2): Ditto.
 431         * doc/rtl.texi (bswap): Document.
 432         * optabs.c (expand_unop): Don't widen a bswap.
 433         (init_optabs): Init bswap. Set libfuncs explicitly
 434         for bswapsi2 and bswapdi2.
 435         * optabs.h (OTI_bswap): New.
 436         (bswap_optab): Ditto.
 437         * genopinit.c (optabs): Handle bswap_optab.
 438         * tree.h (tree_index): Add TI_UINT32_TYPE and
 439         TI_UINT64_TYPE.
 440         (uint32_type_node): New.
 441         (uint64_type_node): Ditto.
 442         * tree.c (build_common_tree_nodes_2): Initialize
 443         uint32_type_node and uint64_type_node.
 444         * builtins.c (expand_builtin_bswap): New.
 445         (expand_builtin): Call.
 446         (fold_builtin_bswap): New.
 447         (fold_builtin_1): Call.
 448         * fold-const.c (tree_expr_nonnegative_p): Return true
 449         for bswap.
 450         * builtin-types.def (BT_UINT32): New.
 451         (BT_UINT64): Ditto.
 452         (BT_FN_UINT32_UINT32): Ditto.
 453         (BT_FN_UINT64_UINT64): Ditto.
 454         * builtins.def (BUILT_IN_BSWAP32): New.
 455         (BUILT_IN_BSWAP64): Ditto.
 456         * rtl.def (BSWAP): New.
 457         * genattrtab.c (check_attr_value): New.
 458         * libgcc2.c (__bswapSI2): New.
 459         (__bswapDI2): Ditto.
 460         * libgcc2.h (__bswapSI2): Declare.
 461         (__bswapDI2): Ditto.
 462         * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
 463         * simplify-rtx.c (simplify_const_unary_operation): Return
 464         0 for BSWAP.
 465         * libgcc-std.ver (__bwapsi2): Add.
 466         (__bswapdi2): Ditto.
 467         * reload1.c (eliminate_regs_1): Add bswap.
 468         (elimination_effects): Ditto.
 469         * config/i386/i386.h (x86_bswap): New.
 470         (TARGET_BSWAP): Use.
 471         * config/i386/i386.c (x86_bswap): Set.
 472
 473 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 474
 475         * coverage.c (coverage_checksum_string): Update comment.
 476         * dwarf2out.c (switch_to_eh_frame_section): Update for removal
 477         of get_file_function_name.
 478         * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
 479         of get_file_function_name_long.
 480         * tree.c (get_file_function_name): Rename from
 481         get_file_function_name_long; improve comment; handle 'I' and 'D'
 482         specially when the target has ctor/dtor support; remove special
 483         handling for 'F'.
 484         (get_file_function_name): Remove.
 485         * tree.h (get_file_function_name): Rename from
 486         get_file_function_name_long.
 487         (get_file_function_name): Remove prototype.
 488
 489 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 490
 491         * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
 492         * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
 493
 494         * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
 495         Call dsymutil when compiling and linking one or more source files
 496         in one step.
 497
 498 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 499
 500         PR 15834
 501         * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
 502
 503 2006-10-31  Geoffrey Keating  <geoffk@apple.com>
 504
 505         * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
 506         inline static functions in c99 mode.
 507
 508         PR 16622
 509         * doc/extend.texi (Inline): Update.
 510         * c-tree.h (struct language_function): Remove field 'extern_inline'.
 511         * c-decl.c (current_extern_inline): Delete.
 512         (pop_scope): Adjust test for an undefined nested function.
 513         Add warning about undeclared inline function.
 514         (diagnose_mismatched_decls): Update comments.  Disallow overriding
 515         of inline functions in a translation unit in C99.  Allow inline
 516         declarations in C99 at any time.
 517         (merge_decls): Boolize variables.  Handle C99 'extern inline'
 518         semantics.
 519         (grokdeclarator): Set DECL_EXTERNAL here for functions.  Handle
 520         C99 inline semantics.
 521         (start_function): Don't clear current_extern_inline.  Don't set
 522         DECL_EXTERNAL.
 523         (c_push_function_context): Don't push current_extern_inline.
 524         (c_pop_function_context): Don't restore current_extern_inline.
 525
 526         PR 11377
 527         * c-typeck.c (build_external_ref): Warn about static variables
 528         used in extern inline functions.
 529         * c-decl.c (start_decl): Warn about static variables declared
 530         in extern inline functions.
 531
 532 2006-10-31  Roger Sayle  <roger@eyesopen.com>
 533
 534         PR middle-end/23470
 535         * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
 536         * fold-const.c (tree_expr_nonnegative_p): Likewise.  Consider
 537         pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
 538         or y is an even integer.
 539
 540 2006-10-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
 541
 542         PR target/24071
 543         * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
 544         * gthr-posix95.h (__gthread_active_p): Likewise.
 545
 546 2006-10-31  Richard Guenther  <rguenther@suse.de>
 547
 548         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
 549         acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
 550         expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
 551         exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
 552         ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
 553         lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
 554         lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
 555         btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
 556         !optimize_size.
 557
 558 2006-10-31  Steven Bosscher  <steven@gcc.gnu.org>
 559
 560         * opts.c (decode_options): Disable CSE skip blocks.
 561
 562 2006-10-30  Dirk Mueller  <dmueller@suse.de>
 563
 564         * c-common.h (strict_aliasing_warning): Fix whitespace.
 565         * c-decl (start_function): Move code for main decl warning ..
 566         * c-common.c (check_main_parameter_types): .. here.
 567         * c-common.h (check_main_parameter_types): Declare.
 568
 569 2006-10-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 570
 571         PR middle-end/29335
 572         * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
 573
 574 2006-10-30  Pete Steinmetz  <steinmtz@us.ibm.com>
 575
 576         * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
 577         be a PARALLEL containing sets.  Return false when out_pat is not
 578         a PARALLEL insn.
 579
 580 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
 581
 582         * config/mips/mips.md (mul<mode>3): Split into...
 583         (mulsi3, muldi3): ...these separate patterns.
 584
 585 2006-10-30  Richard Sandiford  <richard@codesourcery.com>
 586
 587         * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
 588         but with each set of options separated by spaces.
 589
 590 2006-10-30  J"orn Rennecke  <joern.rennecke@st.com>
 591
 592         * unwind-dw2.c (uw_init_context_1): Fix test that checks if
 593         dwarf_reg_size_table has been initialized.
 594
 595 2006-10-30  Roger Sayle  <roger@eyesopen.com>
 596
 597         * builtins.c (expand_builtin_mathfn_3): Correct coding style.
 598         * ddg.c (print_ddg_edge): Likewise.
 599         * dwarf2out.c (prune_unused_types_walk): Likewise.
 600         * ifcvt.c (noce_try_cmove_arith): Likewise.
 601         * langhooks.c (add_builtin_function): Likewise.
 602         * reg-stack.c (subst_stack_regs_pat): Likewise.
 603         * tree.c (expanded_location): Likewise.
 604         * tree-dump.c (dequeue_and_dump): Likewise.
 605
 606 2006-10-30  David Daney  <ddaney@avtrex.com>
 607
 608         * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
 609
 610 2006-10-30  Jakub Jelinek  <jakub@redhat.com>
 611
 612         PR tree-optimization/29637
 613         * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
 614         of the innertype is the innertype itself.
 615
 616 2006-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
 617
 618         * dwarf2out.c (file_name_acquire): Correct typo.
 619
 620 2006-10-29  Daniel Berlin  <dberlin@dberlin.org>
 621
 622         * tree.h (tree_value_handle): Remove struct value_set declaration.
 623         Change value_set to bitmap_set.
 624         * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
 625         * tree-vn.c (get_value_handle): Made inline and moved to
 626         tree-flow-inline.h.
 627         * tree-flow-inline.h: (has_stmt_ann): New function.
 628         * tree-ssa-pre.c (expressions): New variable.
 629         (next_expression_id): Ditto.
 630         (alloc_expression_id): New function.
 631         (struct value_set): Remove.
 632         (get_expression_id): New function.
 633         (get_or_alloc_expression_id): Ditto.
 634         (expression_for_id): Ditto.
 635         (clear_expression_ids): Ditto.
 636         (FOR_EACH_EXPR_ID_IN_SET): New macro.
 637         (bb_value_sets): Renamed to bb_bitmap_sets.
 638         All value sets replaced with bitmap_sets.
 639         Add visited member.
 640         (BB_VISITED): New macro.
 641         (postorder): New variable.
 642         (add_to_value): Removed.
 643         (value_exists_in_set_bitmap): Ditto.
 644         (value_insert_into_set_bitmap): Ditto.
 645         (set_new): Ditto.
 646         (set_copy): Ditto.
 647         (set_remove): Ditto.
 648         (set_contains_value): Ditto.
 649         (insert_into_set): Ditto.
 650         (set_equal): Ditto.
 651         (find_leader): Ditto.
 652         (bitmap_set_subtract_from_value_set): Ditto.
 653         (value_insert_into_set): Ditto.
 654         (print_value_set): Ditto.
 655         (debug_value_set): Ditto.
 656         (constant_expr_p): New function.
 657         (bitmap_remove_from_set): Ditto.
 658         (bitmap_insert_into_set): Ditto.
 659         (bitmap_set_free): Ditto.
 660         (vh_compare): Ditto.
 661         (sorted_array_from_bitmap_set): Ditto.
 662         (bitmap_set_subtract): Ditto.
 663         (bitmap_set_equal): Ditto.
 664         (debug_bitmap_set): Ditto.
 665         (find_leader_in_sets): Ditto.
 666         (bitmap_set_replace_value): Modify for bitmapped sets.
 667         (phi_translate): Ditto.
 668         (phi_translate_set): Ditto.
 669         (bitmap_find_leader): Ditto.
 670         (valid_in_sets): Ditto.
 671         (union_contains_value): Ditto.
 672         (clean): Ditto.
 673         (compute_antic_aux): Ditto.  Mark changed blocks.
 674         (compute_antic): Ditto. Iterate in postorder and only over
 675         changing blocks.
 676         (compute_rvuse_and_antic_safe): Reuse postorder.
 677         (create_component_ref_by_pieces): Modify for bitmapped sets.
 678         (find_or_generate_expression): Ditto.
 679         (create_expression_by_pieces): Ditto.
 680         (insert_into_preds_of_block): Ditto.
 681         (changed_blocks): New variable.
 682         (do_regular_insertion): Broken out from insert_aux.
 683         (insert_aux): Modified for bitmapped sets.
 684         (find_existing_value_expr): New function.
 685         (create_value_expr_from): Use it.
 686         (insert_extra_phis): Removed.
 687         (print_bitmap_set): Renamed from bitmap_print_value_set.
 688         (compute_avail): Handle RETURN_EXPR.
 689         (init_pre): Modify for bitmapped sets.
 690         * tree-flow.h (has_stmt_ann): New function.
 691
 692 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 693
 694         * builtins.c (fold_builtin_floor): Check for the availability of
 695         the C99 trunc function before transforming floor into trunc.
 696
 697 2006-10-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 698
 699         * builtins.c (fold_builtin_hypot): Rearrange recursive
 700         transformation before others, and also do ABS_EXPR.  When
 701         necessary, check flag_unsafe_math_optimizations.  When necessary,
 702         add fabs.
 703
 704 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 705
 706         * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
 707         Fold ~X op C as X op' ~C, where op' is the swapped comparison.
 708         (fold_binary): ~X eq/ne C is now handled in fold_comparison.
 709         Fold -X eq/ne -Y as X eq/ne Y.
 710
 711 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 712
 713         * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
 714         GENERATE_MULT3_<MODE>.  Restrict the test to SImode.  Use ISA_HAS_MUL3
 715         rather than GENERATE_MULT3_SI in the various define_peephole2s.
 716         (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
 717         Use an inclusive test for "mult" rather than "mul".
 718         (rotr<mode>3): Depend on ISA_HAS_ROR.
 719         * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
 720         ISA_HAS_MUL3.
 721         (GENERATE_MULT3_DI): Delete.
 722         (ISA_HAS_64BIT_REGS): Use consistent formatting.
 723         (ISA_HAS_MUL3): New macro.
 724         (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
 725         (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
 726         (ISA_HAS_CLZ_CLO): Likewise.
 727         (ISA_HAS_DCLZ_DCLO): Delete.
 728         (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
 729         (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
 730         the VR4120 and VR4130.
 731         (ISA_HAS_MACCHI): Use consistent formatting.
 732         (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
 733         (ISA_HAS_ROR): ...this new macro.
 734         (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
 735         (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
 736         (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
 737
 738 2006-10-29  Roger Sayle  <roger@eyesopen.com>
 739
 740         PR tree-optimization/15458
 741         * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
 742         is a constant.
 743
 744 2006-10-29  Richard Guenther  <rguenther@suse.de>
 745
 746         * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
 747         (ix86_expand_truncdf_32): Likewise.
 748         * config/i386/i386.c (ix86_expand_trunc): New function expanding
 749         trunc inline for SSE math and -fno-trapping-math and if not
 750         optimizing for size.
 751         (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
 752         * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
 753         for expanding btrunc inline for SSE math.
 754
 755 2006-10-29  Joseph Myers  <joseph@codesourcery.com>
 756
 757         * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
 758         Handle tuning for bi-arch i[34567]86-*-linux* like that for
 759         i[34567]86-*-solaris2.1[0-9]*.
 760         * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
 761         Define conditionally depending on TARGET_64BIT_DEFAULT.
 762         (SPEC_32, SPEC_64): Define.
 763         (LINK_SPEC): Use them.
 764         * doc/install.texi (--enable-targets=all): Document for x86-linux.
 765
 766 2006-10-29  Richard Guenther  <rguenther@suse.de>
 767
 768         * config/i386/i386-protos.h (ix86_expand_round): Declare.
 769         (ix86_expand_rounddf_32): Likewise.
 770         * config/i386/i386.c (ix86_expand_round): New function expanding
 771         round inline for SSE math and -fno-trapping-math and if not
 772         optimizing for size.
 773         (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
 774         * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
 775         round via ix86_expand_round.
 776
 777 2006-10-29  Richard Guenther  <rguenther@suse.de>
 778
 779         * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
 780         (ix86_expand_floorceildf_32): Likewise.
 781         * config/i386/i386.c (ix86_expand_sse_compare_mask): New
 782         static helper function.
 783         (ix86_expand_floorceil): Expander for floor and ceil to SSE
 784         math.
 785         (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
 786         * config/i386/i386.md (floordf2): Adjust to enable floor
 787         expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
 788         -fno-trapping-math is enabled and if not optimizing for size.
 789         (floorsf2, ceildf2, ceilsf2): Likewise.
 790         * config/i386/sse.md (sse_maskcmpsf3): New insn.
 791         (sse2_maskcmpdf3): Likewise.
 792
 793 2006-10-29  Richard Guenther  <rguenther@suse.de>
 794
 795         * builtins.c (expand_builtin_mathfn): Expand nearbyint as
 796         rint in case -fno-trapping-math is enabled.
 797         * config/i386/i386-protos.h (ix86_expand_rint): Declare.
 798         * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
 799         (ix86_expand_sse_fabs): Likewise.
 800         (ix86_expand_rint): New function expanding rint to x87 or SSE math.
 801         * config/i386/i386.md (rintdf2): Enable for SSE math if
 802         -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
 803         (rintsf2): Likewise.
 804
 805 2006-10-29  Richard Guenther  <rguenther@suse.de>
 806
 807         * genopinit.c (optabs): Change lfloor_optab and lceil_optab
 808         to conversion optabs.
 809         * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
 810         as conversion optab.
 811         * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
 812         (enum convert_optab_index): Add COI_lfloor and COI_lceil.
 813         (lfloor_optab, lceil_optab): Adjust defines.
 814         * builtins.c (expand_builtin_int_roundingfn): Adjust for
 815         lfloor and lceil optabs now being conversion optabs.
 816         * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
 817         * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
 818         New static helper function.
 819         (ix86_expand_lfloorceil): New function to expand lfloor and
 820         lceil inline.
 821         * config/i386/i386.md (lfloor<mode>2): Split into ...
 822         (lfloorxf<mode>2): ... x87 variant
 823         (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
 824         using ix86_expand_lfloorceil.
 825         (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
 826         Likewise.
 827         * doc/md.texi (lfloorMN, lceilMN): Document.
 828
 829 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 830
 831         * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE.  Test for the
 832         -mno-shared assembler option on mips targets.
 833         * configure, config.in: Regenerate.
 834         * config/mips/linux.h (NO_SHARED_SPECS): New macro.
 835         (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
 836         * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
 837
 838 2006-10-29  Richard Sandiford  <richard@codesourcery.com>
 839
 840         * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
 841         as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
 842
 843 2006-10-29  Kazu Hirata  <kazu@codesourcery.com>
 844
 845         * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
 846         config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
 847         comment typos.
 848
 849 2006-10-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 850
 851         PR middle-end/29335
 852         * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
 853         (fold_builtin_pow): Evaluate constant arguments at compile-time
 854         using MPFR.
 855         (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
 856         (do_mpfr_ckconv): New helper function.
 857         (do_mpfr_arg1): Use do_mpfr_ckconv.
 858         (do_mpfr_arg2): New.
 859
 860 2006-10-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 861
 862         PR tree-opt/29271
 863         * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
 864         (-fdump-rtl-sched): Rename to ..
 865         (-fdump-rtl-sched1): here.  Also fix file extension number.
 866
 867 2006-10-28  Richard Guenther  <rguenther@suse.de>
 868
 869         * fold-const.c (maybe_canonicalize_comparison): Fix code
 870         to match comment.
 871
 872 2006-10-28  Uros Bizjak  <uros@kss-loka.si>
 873
 874         * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
 875         (NON_QI_REG_P): Use IN_RANGE.
 876         (REX_INT_REGNO_P): Use IN_RANGE.
 877         (FP_REGNO_P): Use IN_RANGE.
 878         (SSE_REGNO_P): Use IN_RANGE.
 879         (REX_SSE_REGNO_P): Use IN_RANGE.
 880         (MMX_REGNO_P): Use IN_RANGE.
 881         (STACK_REGNO_P): New macro.
 882         (STACK_REG_P): Use STACK_REGNO_P.
 883         (NON_STACK_REG_P): Use STACK_REGNO_P.
 884         (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
 885         (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
 886         (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
 887         (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
 888         (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
 889
 890 2006-10-28  Eric Botcazou  <ebotcazou@adacore.com>
 891
 892         * except.h (output_function_exception_table): Add 'const char*' param.
 893         * except.c (switch_to_exception_section): Add 'const char*' param.
 894         If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
 895         and flag_function_sections is set, use a function-specific section.
 896         (output_function_exception_table): Add 'const char*' param.
 897         Adjust call to switch_to_exception_section.
 898         * final.c (rest_of_handle_final): Adjust calls to
 899         output_function_exception_table.
 900         * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
 901         * config.in: Regenerate.
 902         * configure: Likewise.
 903
 904 2006-10-28  Richard Guenther  <rguenther@suse.de>
 905
 906         PR middle-end/26899
 907         * fold-const.c (maybe_canonicalize_comparison_1): Helper
 908         for maybe_canonicalize_comparison.
 909         (maybe_canonicalize_comparison): New function for canonicalizing
 910         comparison trees.
 911         (fold_comparison): Call it to canonicalize comparisons with
 912         constants involved.
 913
 914 2006-10-28  Richard Guenther  <rguenther@suse.de>
 915
 916         PR target/28806
 917         * builtins.c (expand_builtin_int_roundingfn_2): Expand
 918         BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
 919         (expand_builtin): Adjust likewise.
 920         * genopinit.c (optabs[]): Add lround optab.
 921         * optabs.c (init_optabs): Initialize lround_optab.
 922         * optabs.h (enum convert_optab_index): Add COI_lround.
 923         (lround_optab): Define.
 924         * config/i386/i386-protos.h (ix86_expand_lround): Declare.
 925         * config/i386/i386.c (ix86_sse_copysign_to_positive): New
 926         static function.
 927         (ix86_expand_lround): New function.
 928         * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
 929         New expanders.
 930         * doc/md.texi (lroundMN2): Document.
 931
 932 2006-10-28 Uros Bizjak <uros@kss-loka.si>
 933
 934         PR target/29377
 935         * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
 936         argument to HOST_WIDE_INT.  Update function prototype.
 937         (round_frame_size): Change return type to HOST_WIDE_INT.  Change
 938         "size" argument to HOST_WIDE_INT.  Update function prototype.
 939
 940 2006-10-28 Uros Bizjak <uros@kss-loka.si>
 941
 942         * config/i386/i386.c (output_387_ffreep): Create output from a
 943         template string for !HAVE_AS_IX86_FFREEP.
 944
 945 2006-10-27  Eric Christopher  <echristo@apple.com>
 946
 947         * config/darwin.c: Fix formatting and grammar.
 948
 949 2006-10-27  Jan Hubicka  <jh@suse.cz>
 950
 951         * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
 952         to be thrown away soon when IGNORE is set.
 953         * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
 954         indicating when return value shall not be computed.
 955         * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
 956
 957 2006-10-27  Vladimir Makarov  <vmakarov@redhat.com>
 958
 959         * config/i386/i386.h (TARGET_GEODE):
 960         (TARGET_CPU_CPP_BUILTINS): Add code for geode.
 961         (TARGET_CPU_DEFAULT_geode): New macro.
 962         (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
 963         TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
 964         TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
 965         TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
 966         TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
 967         the macro values.
 968         (TARGET_CPU_DEFAULT_NAMES): Add geode.
 969         (processor_type): Add PROCESSOR_GEODE.
 970
 971         * config/i386/i386.md: Include geode.md.
 972         (cpu): Add geode.
 973
 974         * config/i386/i386.c (geode_cost): New initialized global
 975         variable.
 976         (m_GEODE, m_K6_GEODE): New macros.
 977         (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
 978         x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
 979         x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
 980         x86_schedule): Use m_K6_GEODE instead of m_K6.
 981         (x86_movx, x86_cmove): Set up m_GEODE.
 982         (x86_integer_DFmode_moves): Clear m_GEODE.
 983         (processor_target_table): Add entry for geode.
 984         (processor_alias_table): Ditto.
 985
 986         * config/i386/geode.md: New file.
 987
 988         * doc/invoke.texi: Add entry about geode processor.
 989
 990 2006-10-27  Mike Stump  <mrs@apple.com>
 991
 992         * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
 993         __DYNAMIC__ from here back to ...
 994         * config/darwin.h (CPP_SPEC): ... here.
 995
 996 2006-10-26  Nathan Froyd  <froydnj@codesourcery.com>
 997             Nathan Sidwell  <nathan@codesourcery.com>
 998
 999         * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1000         when choosing the minimum heapsize.
1001
1002 2006-10-26  Nathan Froyd <froydnj@codesourcery.com>
1003
1004         * gcc/unwind-dw2.h: Move cfa-related variables into
1005         struct frame_state_reg_info to ensure that the CFA is properly
1006         handled when executing DW_CFA_{remember,restore}_state.
1007         * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1008         gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1009         gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1010         gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1011         gcc/config/rs6000/linux-unwind.h,
1012         gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1013         gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1014         Modify to use new cfa_* fields.
1015
1016 2006-10-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1017
1018         * config/s390/s390.c (s390_init_frame_layout): Check positive
1019         frame_size.
1020
1021 2006-10-26  Ben Elliston  <bje@au.ibm.com>
1022
1023         * gimplify.c (get_name): Remove extraneous break.
1024         (gimplify_omp_for): Initialise ret with GS_OK.
1025
1026 2006-10-25  Steve Ellcey  <sje@cup.hp.com>
1027
1028         * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1029         Add unix98.o to link line.
1030
1031 2006-10-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1032
1033         PR middle-end/29335
1034         * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1035         Calculate compile-time constants using MPFR.
1036         (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1037         BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1038
1039 2006-10-25  Bob Wilson  <bob.wilson@acm.org>
1040
1041         * config/xtensa/lib2funcs.S: Use C-style comments.
1042
1043 2006-10-24  Nathan Froyd  <froydnj@codesourcery.com>
1044
1045         * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1046         (file_table_relative_p): Likewise.
1047         (dwarf2out_finish): Likewise.
1048         (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1049
1050 2006-10-25  Daniel Berlin  <dberlin@dberlin.org>
1051
1052         * tree-ssa-structalias.c (intra_create_variable_infos):
1053           Don't recreate nonlocal_all if it already exists.
1054
1055 2006-10-25  Richard Guenther  <rguenther@suse.de>
1056
1057         PR target/28803
1058         * optabs.h (enum optab_index): Remove OTI_lrint.
1059         (enum convert_optab_index): Add COI_lrint.
1060         (lrint_optab): Adjust.
1061         (expand_sfix_optab): Declare.
1062         * optabs.c (expand_sfix_optab): New function.
1063         (init_optabs): Init lrint_optab as conversion optab.
1064         * genopinit.c (lrint_optab): Change to a conversion optab.
1065         * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1066         expansion via conversion optab.
1067         * config/i386/i386.md (*fistdi2_1): Remove
1068         flag_unsafe_math_optimizations guard.
1069         (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1070         fist<mode>2_with_temp): Likewise.
1071         (lrint<mode>2): Split into...
1072         (lrintxf<mode>2): ... x87 part
1073         (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1074         * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1075         sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1076         UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1077         * doc/md.texi (lrintMN2): Document.
1078
1079 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
1080
1081         PR target/28909
1082         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1083         Use inc and dec instructions for TARGET_USE_INCDEC.
1084         ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1085         ("sync_double_compare_and_swap<mode>"): Likewise.
1086         ("*sync_double_compare_and_swapdi_pic"): Likewise.
1087         ("*sync_compare_and_swap_cc<mode>"): Likewise.
1088         ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1089         ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1090         ("sync_old_add<mode>"): Likewise.
1091         ("sync_lock_test_and_set<mode>"): Likewise.
1092         ("sync_lock_test_and_set<mode>"): Likewise.
1093         ("sync_add<mode>"): Likewise.
1094         ("sync_sub<mode>"): Likewise.
1095         ("sync_ior<mode>"): Likewise.
1096         ("sync_and<mode>"): Likewise.
1097         ("sync_xor<mode>"): Likewise.
1098
1099 2006-10-25  Uros Bizjak  <uros@kss-loka.si>
1100
1101         * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1102         (remainder_optab): Define corresponding macro.
1103         (drem_optab): Remove.
1104         * optabs.c (init_optabs): Initialize remainder_optab.  Remove
1105         drem_optab initialization.
1106         * genopinit.c (optabs): Implement remainder_optab using
1107         remainder?f3 patterns.  Remove drem_optab.
1108         * builtins.c (expand_builtin_mathfn_2): Handle
1109         BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1110         (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1111         expand_builtin_mathfn_2.
1112
1113         (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1114         depend on flag_unsafe_math_optimizations.
1115
1116         * config/i386/i386.md ("remaindersf3", "remainderdf3")
1117         ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1118         Do not depend on flag_unsafe_math_optimizations.  Use
1119         truncxf?f expander instead of truncxf?f_i387_noop.
1120
1121         ("fpremxf4", "fprem1xf4"): Do not depend on
1122         flag_unsafe_math_optimizations.
1123         ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1124         flag_unsafe_math_optimizations.  Use truncxf?f expander
1125         instead of truncxf?f_i387_noop.
1126
1127         * doc/md.texi (fmod, remainder): Document standard named pattern.
1128
1129 2006-10-24  Richard Sandiford  <richard@codesourcery.com>
1130             David Daney  <ddaney@avtrex.com>
1131
1132         PR middle-end/29519
1133         * rtlanal.c (nonzero_address_p):  Remove check for values wrapping.
1134
1135 2006-10-25  Ben Elliston  <bje@au.ibm.com>
1136
1137         * doc/extend.texi (Variable Attributes): Typo fix.
1138
1139 2006-10-24  Uros Bizjak  <uros@kss-loka.si>
1140
1141         * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1142         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1143         (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1144         (FRAME_POINTER_REGNUM): Update register number to 21.
1145         (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1146         (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1147
1148         * config/i386/i386.c (regclass_map): Add fpcr entry.
1149         (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1150         Add fpcr entry.
1151         (print_reg): Assert REGNO (x) != FPCR_REG.
1152
1153         * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1154         (DIRFLAG_REG): Renumber.
1155         (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1156         (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1157         (sse_prologue_save, *sse_prologue_save_insn): Renumber
1158         hardcoded SSE register numbers.
1159
1160         * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1161         hardcoded MMX register numbers.
1162
1163 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1164
1165         PR middle-end/29335
1166         * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1167         (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1168         Update all callers.
1169         (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1170         (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1171         BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1172         BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1173
1174 2006-10-24  Richard Guenther  <rguenther@suse.de>
1175
1176         PR middle-end/28796
1177         * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1178         and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1179         for deciding optimizations in consistency with fold-const.c
1180         (fold_builtin_unordered_cmp): Likewise.
1181
1182 2006-10-24  Richard Guenther  <rguenther@suse.de>
1183
1184         * builtins.c (fold_builtin_floor): Fold floor (x) where
1185         x is nonnegative to trunc (x).
1186         (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1187         nonnegative to FIX_TRUNC_EXPR.
1188
1189 2006-10-24  Richard Guenther  <rguenther@suse.de>
1190
1191         PR tree-optimization/29567
1192         * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1193         for TRUTH_NOT_EXPR.  Clarify comments.
1194
1195 2006-10-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1196
1197         PR middle-end/29335
1198         * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1199         at compile-time using MPFR.  Change parameter VALUE to FUNC,
1200         update all callers.
1201         (do_mpfr_arg1): Rename `exact' to `inexact'.  Carefully check
1202         for overflow and underflow at all times and avoid folding in
1203         those cases.
1204
1205 2006-10-24  Ben Elliston  <bje@au.ibm.com>
1206
1207         * reload1.c: Formatting fixes.
1208
1209 2006-10-23  Zdenek Dvorak <dvorakz@suse.cz>
1210
1211         PR tree-optimization/14784
1212         * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1213         * tree-ssa-structalias.c (get_constraint_for,
1214         intra_create_variable_infos): Set is_heapvar.
1215         * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1216         non-heapvar pointer variables specially.
1217
1218 2006-10-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1219
1220         PR middle-end/29335
1221         * builtins.c (fold_builtin_sin, fold_builtin_cos,
1222         fold_builtin_tan): Fold all constant arguments.  Take a "type"
1223         argument as necessary.
1224         (do_mpfr_arg1): New.
1225         * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1226
1227 2006-10-23  Bob Wilson  <bob.wilson@acm.org>
1228
1229         * config/xtensa/lib1funcs.asm: Use C-style comments.
1230
1231 2006-10-23 Rafael Avila de Espindola  <rafael.espindola@gmail.com>
1232
1233         * tree.c (local_define_builtin): Replace calls to
1234         lang_hooks.builtin_function with add_builtin_function.
1235         * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1236         c_builtin_function.
1237         * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1238         the signature.
1239         * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1240         common code to add_builtin_function.
1241         * langhooks.c (add_builtin_function): New function.
1242         (lhd_builtin_function): New function.
1243         * langhooks.h (struct lang_hooks): Change the signature of
1244         builtin_function.
1245         (add_builtin_function): New function.
1246         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1247         calls to lang_hooks.builtin_function with add_builtin_function.
1248         * c-common.c (decl_builtin_1): Replace calls to
1249         lang_hooks.builtin_function with add_builtin_function.
1250         * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1251         lang_hooks.builtin_function with add_builtin_function.
1252         * config/frv/frv.c (def_builtin): Replace calls to
1253         lang_hooks.builtin_function with add_builtin_function.
1254         * config/s390/s390.c (s390_init_builtins): Replace calls to
1255         lang_hooks.builtin_function with add_builtin_function.
1256         * config/sparc/sparc.c (def_builtin): Replace calls to
1257         lang_hooks.builtin_function with add_builtin_function.
1258         * config/i386/i386.c (def_builtin): Replace calls to
1259         lang_hooks.builtin_function with add_builtin_function.
1260         * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1261         lang_hooks.builtin_function with add_builtin_function.
1262         * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1263         lang_hooks.builtin_function with add_builtin_function.
1264         * config/stormy16/stormy16.c (xstormy16_init_builtins):
1265         Replace calls to lang_hooks.builtin_function with
1266         add_builtin_function.
1267         * config/iq2000/iq2000.c (def_builtin):
1268         Replace calls to lang_hooks.builtin_function with
1269         add_builtin_function.
1270         * config/ia64/ia64.c (def_builtin): Replace calls to
1271         lang_hooks.builtin_function with add_builtin_function.
1272         * config/rs6000/rs6000.c (def_builtin): Replace calls to
1273         lang_hooks.builtin_function with add_builtin_function.
1274         (altivec_init_builtins): Replace calls to
1275         lang_hooks.builtin_function with add_builtin_function.
1276         * config/arm/arm.c (def_mbuiltin): Replace calls to
1277         lang_hooks.builtin_function with add_builtin_function.
1278         (arm_init_tls_builtins): Replace calls to
1279         lang_hooks.builtin_function with add_builtin_function.
1280         * config/mips/mips.c (mips_init_builtins): Replace calls to
1281         lang_hooks.builtin_function with add_builtin_function.
1282         * config/bfin/bfin.c (def_builtin): Replace calls to
1283         lang_hooks.builtin_function with add_builtin_function.
1284         * langhooks-def.h (lhd_builtin_function): New function.
1285         (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1286
1287 2006-10-23  Jakub Jelinek  <jakub@redhat.com>
1288
1289         * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1290         BUILT_IN_STRNCAT_CHK.
1291
1292 2006-10-23  Jan Hubicka  <jh@suse.cz>
1293
1294         * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1295         don't do conversion from memmove to memcpy here.
1296         (expand_builtin_bcopy, expand_builtin): Update call of
1297         expand_builtin_memmove.
1298         (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1299
1300 2006-10-23  Paul Brook  <paul@codesourcery.com>
1301
1302         * stor-layout.c (start_record_layout): maximum_field_alignment
1303         overrides STRUCTURE_SIZE_BOUNDARY.
1304
1305 2006-10-23  Ulrich Weigand  <uweigand@de.ibm.com>
1306
1307         * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1308         nonlocal function symbols if flag_pic.
1309
1310 2006-10-23  Richard Guenther  <rguenther@suse.de>
1311
1312         PR middle-end/27132
1313         PR middle-end/23295
1314         * builtins.c (fold_binary): Remove checks for flag_wrapv
1315         and flag_trapv where negate_expr_p covers these cases.
1316
1317 2006-10-23  Richard Guenther  <rguenther@suse.de>
1318
1319         PR middle-end/29548
1320         * fold-const.c (fold_plusminus_mult_expr): Check exact power
1321         of two on the absolute value.
1322         (fold_binary): Fold x * -C to -x * C if x is easily negatable
1323         and negating -C does not overflow.
1324
1325 2006-10-23  Richard Guenther  <rguenther@suse.de>
1326
1327         PR middle-end/21032
1328         * convert.c (convert_to_real): Fold (float)-x to -(float)x
1329         only if not flag_rounding_math.
1330
1331 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
1332             Kaz Kojima  <kkojima@gcc.gnu.org>
1333
1334         PR target/28232
1335         * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1336         SImode memory reference for the source of a movua.
1337         * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1338         (movua): Use an unspec instead of sign_extract.  Expect the source
1339         to have mode BLKmode.
1340         (extv, insv): Use a BLKmode rather than SImode memory reference
1341         for the source of a movua.
1342
1343 2006-10-22  Jeff Law  <law@redhat.com>
1344         Richard Guenther  <rguenther@suse.de>
1345
1346         PR tree-optimization/15911
1347         * tree-vrp.c (extract_code_and_val_from_cond): New function.
1348         (register_edge_assert_for_1): Likewise.
1349         (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1350         (find_conditional_asserts): Adjust for new function signature.
1351         (find_assert_locations): Likewise.
1352
1353 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
1354
1355         * config/i386/tmmintrin.h: Remove the duplicated content.
1356
1357 2006-10-22  H.J. Lu  <hongjiu.lu@intel.com>
1358
1359         * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1360         (x86_64-*-*): Likewise.
1361
1362         * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1363         (override_options): Check SSSE3.
1364         (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1365         IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1366         IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1367         IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1368         IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1369         IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1370         IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1371         IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1372         IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1373         IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1374         IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1375         IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1376         IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1377         IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1378         IX86_BUILTIN_PABSD128.
1379         (bdesc_2arg): Add SSSE3.
1380         (bdesc_1arg): Likewise.
1381         (ix86_init_mmx_sse_builtins): Support SSSE3.
1382         (ix86_expand_builtin): Likewise.
1383         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1384
1385         * config/i386/i386.md (UNSPEC_PSHUFB): New.
1386         (UNSPEC_PSIGN): Likewise.
1387         (UNSPEC_PALIGNR): Likewise.
1388         Include mmx.md before sse.md.
1389
1390         * config/i386/i386.opt: Add -mssse3.
1391
1392         * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1393         (ssse3_phaddwv4hi3): Likewise.
1394         (ssse3_phadddv4si3): Likewise.
1395         (ssse3_phadddv2si3): Likewise.
1396         (ssse3_phaddswv8hi3): Likewise.
1397         (ssse3_phaddswv4hi3): Likewise.
1398         (ssse3_phsubwv8hi3): Likewise.
1399         (ssse3_phsubwv4hi3): Likewise.
1400         (ssse3_phsubdv4si3): Likewise.
1401         (ssse3_phsubdv2si3): Likewise.
1402         (ssse3_phsubswv8hi3): Likewise.
1403         (ssse3_phsubswv4hi3): Likewise.
1404         (ssse3_pmaddubswv8hi3): Likewise.
1405         (ssse3_pmaddubswv4hi3): Likewise.
1406         (ssse3_pmulhrswv8hi3): Likewise.
1407         (ssse3_pmulhrswv4hi3): Likewise.
1408         (ssse3_pshufbv16qi3): Likewise.
1409         (ssse3_pshufbv8qi3): Likewise.
1410         (ssse3_psign<mode>3): Likewise.
1411         (ssse3_psign<mode>3): Likewise.
1412         (ssse3_palignrti): Likewise.
1413         (ssse3_palignrdi): Likewise.
1414         (abs<mode>2): Likewise.
1415         (abs<mode>2): Likewise.
1416
1417         * config/i386/tmmintrin.h: New file.
1418
1419         * doc/extend.texi: Document SSSE3 built-in functions.
1420
1421         * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1422
1423 2006-10-22  Ira Rosen  <irar@il.ibm.com>
1424
1425         * tree-vect-transform.c (vectorizable_load): Use the type of the
1426         return value of the mask_for_load builtin to create realign_load
1427         stmt.
1428
1429 2006-10-22  Richard Sandiford  <richard@codesourcery.com>
1430
1431         * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1432         expressions.
1433
1434 2006-10-21  H.J. Lu  <hongjiu.lu@intel.com>
1435
1436         * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1437         (UNSPEC_LDDQU): This.
1438         * config/i386/sse.md (sse3_lddqu): Updated.
1439
1440 2006-10-21  Richard Guenther  <rguenther@suse.de>
1441
1442         * builtins.c (expand_builtin_int_roundingfn_2): New function.
1443         (expand_builtin): Use it to expand lrint instead of
1444         expand_builtin_mathfn.
1445
1446 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1447
1448         PR middle-end/28252
1449         * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1450         flag_unsafe_math_optimizations is set.
1451
1452 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1453
1454         PR target/19398
1455         * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1456         patterns to use memory input operand in x87->mem->XMM
1457         reload sequences.  Skip transformation for TARGET_K8.
1458
1459 2006-10-21  Uros Bizjak  <uros@kss-loka.si>
1460
1461         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1462         force operand1 to register if both operands are memory operands.
1463         (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1464         (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1465         if both operands are memory operands.
1466         (truncdfsf2): Do not force operand1 to register if both operands
1467         are memory operands.
1468
1469 2006-10-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1470
1471         * Makefile.in (LIBS): Add $(GMPLIBS).
1472         * doc/install.texi: Update GMP and MPFR requirements.
1473         * doc/sourcebuild.texi (need_gmp): Delete.
1474
1475 2006-10-21  Richard Guenther  <rguenther@suse.de>
1476
1477         PR tree-optimization/3511
1478         * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1479         got new invariant arguments during PHI translation.
1480
1481 2006-10-21  Richard Guenther  <rguenther@suse.de>
1482
1483         PR middle-end/26898
1484         * fold-const.c (fold_comparison): Fold signed comparisons
1485         of the form X +- C1 CMP Y +- C2.
1486
1487 2006-10-21  Richard Guenther  <rguenther@suse.de>
1488
1489         PR target/19116
1490         * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1491         if flag_unsafe_math_optimizations is specified.  We have
1492         flag_finite_math_only for that.
1493         * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1494         or flag_unsafe_math_optimizations.
1495
1496 2006-10-21  Richard Guenther  <rguenther@suse.de>
1497
1498         * builtins.c (fold_builtin_classify): Fix typo.
1499
1500 2006-10-21  Richard Guenther  <rguenther@suse.de>
1501
1502         PR middle-end/28796
1503         * simplify-rtx.c (simplify_const_relational_operation):
1504         Do not constant-fold ORDERED and UNORDERED for
1505         flag_unsafe_math_optimizations but only we do not need to
1506         honor NaNs for the given mode.
1507
1508 2006-10-21  Richard Guenther  <rguenther@suse.de>
1509
1510         PR target/29512
1511         * config/i386/i386.c (classify_argument): Remove redundant
1512         walking of the BINFOs.
1513         (contains_128bit_aligned_vector_p): Likewise.
1514
1515 2006-10-20  Mark Mitchell  <mark@codesourcery.com>
1516
1517         * BASE-VER: Set to 4.3.0.
1518
1519 2006-10-20  Daniel Berlin  <dberlin@dberlin.org>
1520
1521         * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1522         (tree_decl_with_vis): Remove artificial_pta_var flag.
1523         * tree-flow.h (referenced_var_check_and_insert): Expose.
1524         (nonlocal_all): New prototype.
1525         * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1526         (nonlocal_all): Make global.
1527         (nonlocal_lookup): Remove.
1528         (nonlocal_insert): Ditto.
1529         (create_nonlocal_var): Do not call nonlocal_insert.
1530         (get_nonlocal_id_for_type): Remove.
1531         (find_global_initializers): Mark new vars we find for renaming.
1532         (intra_create_variable_infos): Only create one nonlocal.
1533         (expand_nonlocal_solutions): Remove.
1534         (compute_points_to_sets): Don't call it.
1535         (ipa_pta_execute): Ditto.
1536         (init_alias_heapvars): Don't create nonlocal_for_type.
1537         (delete_alias_heapvars): Don't remove it.
1538         * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1539         nonlocal_all.
1540
1541 2006-10-19  Brooks Moses  <bmoses@stanford.edu>
1542
1543         * doc/install.texi (Downloading GCC): Clarify mention of
1544         Fortran in the "full distribution" description.
1545
1546 2006-10-19  Daniel Berlin  <dberlin@dberlin.org>
1547
1548         Fix PR tree-optimization/28778
1549         Fix PR tree-optimization/29156
1550         Fix PR tree-optimization/29415
1551         * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1552         (tree_decl_with_vis): Add artificial_pta_var flag.
1553         * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1554         pushed into callers.
1555         * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1556         (nonlocal_all): Ditto.
1557         (struct variable_info): Add directly_dereferenced member.
1558         (var_escaped_vars): New variable.
1559         (escaped_vars_tree): Ditto.
1560         (escaped_vars_id): Ditto.
1561         (nonlocal_vars_id): Ditto.
1562         (new_var_info): Set directly_dereferenced.
1563         (graph_size): New variable
1564         (build_constraint_graph): Use graph_size.
1565         (solve_graph): Don't process constraints that cannot change the
1566         solution, don't try to propagate an empty solution to our
1567         successors.
1568         (process_constraint): Set directly_dereferenced.
1569         (could_have_pointers): New function.
1570         (get_constraint_for_component_ref): Don't process STRING_CST.
1571         (nonlocal_lookup): New function.
1572         (nonlocal_insert): Ditto.
1573         (create_nonlocal_var): Ditto.
1574         (get_nonlocal_id_for_type): Ditto.
1575         (get_constraint_for): Allow results vector to be empty in the case
1576         of string constants.
1577         Handle results of calls properly.
1578         (update_alias_info): Update alias info stats on number and type of
1579         calls.
1580         (find_func_aliases): Use could_have_pointers.
1581         (make_constraint_from_escaped): Renamed from
1582         make_constraint_to_anything, and changed to make constraints from
1583         escape variable.
1584         (make_constraint_to_escaped): New function.
1585         (find_global_initializers): Ditto.
1586         (create_variable_info_for): Make constraint from escaped to any
1587         global variable, and from any global variable to the set of
1588         escaped vars.
1589         (intra_create_variable_infos): Deal with escaped instead of
1590         pointing to anything.
1591         (set_uids_in_ptset): Do type pruning on directly dereferenced
1592         variables.
1593         (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1594         (init_base_vars): Fix comment, and initialize escaped_vars.
1595         (need_to_solve): Removed.
1596         (find_escape_constraints): New function.
1597         (expand_nonlocal_solutions): Ditto.
1598         (compute_points_to_sets): Call find_escape_constraints and
1599         expand_nonlocal_solutions.
1600         (delete_points_to_sets): Don't fall off the end of the graph.
1601         (init_alias_heapvars): Initialize nonlocal_for_type and
1602         nonlocal_all.
1603         (delete_alias_heapvars): Free nonlocal_for_type and null out
1604         nonlocal_all.
1605
1606 2006-10-19  Eric Botcazou  <ebotcazou@adacore.com>
1607
1608         * fold-const.c (add_double): Rename to add_double_with_sign.
1609         Add 'unsigned_p' parameter and take it into account for the overflow.
1610         (mul_double): Rename to mul_double_with_sign.
1611         Add 'unsigned_p' parameter and take it into account for the overflow.
1612         (fold_div_compare): Call add_double_with_sign instead of add_double
1613         and mul_double_with_sign instead of mul_double, passing them the
1614         unsignedness of the type.
1615         * tree.h (add_double): Macroize.
1616         (add_double_with_sign): New prototype.
1617         (mul_double): Macroize.
1618         (mul_double_with_sign): New prototype.
1619
1620 2006-10-19  Chen Liqin  <liqin@sunnorth.com.cn>
1621
1622         * config/score/crti.asm: New file.
1623         * config/score/crtn.asm: New file.
1624         * config/score/elf.h: New file.
1625         * config/score/mac.md: New file.
1626         * config/score/misc.md: New file.
1627         * config/score/mul-div.S: New file.
1628         * config/score/predicates.md: New file.
1629         * config/score/score7.md: New file.
1630         * config/score/score.c: New file.
1631         * config/score/score-conv.h: New file.
1632         * config/score/score.h: New file.
1633         * config/score/score.md: New file.
1634         * config/score/score-mdaux.c: New file.
1635         * config/score/score-mdaux.h: New file.
1636         * config/score/score-modes.def: New file.
1637         * config/score/score.opt: New file.
1638         * config/score/score-protos.h: New file.
1639         * config/score/score-version.h: New file.
1640         * config/score/t-score-elf: New file.
1641         * config.gcc: Add score*-*-* configurations(Update before).
1642         * doc/invoke.texi (Score Options): New section.
1643         * doc/md.texi (Score family): New section to document constraints.
1644
1645 2006-10-19  Nick Clifton  <nickc@redhat.com>
1646
1647         * config/arm/arm.c: Fix spelling typo.
1648
1649 2006-10-18  Tom Tromey  <tromey@redhat.com>
1650
1651         * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1652
1653 2006-10-18  Jan Hubicka  <jh@suse.cz>
1654
1655         PR middle-end/29299
1656         * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1657         are used.
1658
1659 2006-10-18  Marcin Dalecki  <martin@dalecki.de>
1660
1661         * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1662         TSI_SAME_STMT, since that's the desired entity.
1663
1664 2006-10-17  Wolfgang Gellerich  <gellerich@de.ibm.com>
1665
1666         * config/s390/contraints.md: New file.
1667         * config/s390/s390-protos.h (s390_mem_constraint,
1668         s390_O_constraint_str, s390_N_constraint_str,
1669         s390_float_const_zero_p): Function prototypes added.
1670         * config/s390/s390.c (s390_extra_constraint_str,
1671         s390_const_double_ok_for_constraint_p,
1672         s390_const_ok_for_constraint_p): Functions removed.
1673         (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1674         s390_float_const_zero_p): New functions.
1675         * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1676         CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1677         EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1678         Macro definitions removed.
1679         (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1680         s390_extra_constraint_str): Functions removed.
1681
1682 2006-10-17  Andrew Pinsiki  <pinskia@gmail.com>
1683             Richard Sandiford  <richard@codesourcery.com>
1684
1685         PR target/29413
1686         * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1687         * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1688
1689 2006-10-16  Geoffrey Keating  <geoffk@apple.com>
1690
1691         * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1692         (DWARF2_FRAME_REG_OUT): Likewise.
1693         * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1694         (DWARF2_FRAME_REG_OUT): Likewise.
1695
1696 2006-10-17  Paul Brook  <paul@codesourcery.com>
1697
1698         * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1699
1700 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
1701
1702         * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1703         Standardize on "GNU Fortran" as the official name of the Fortran
1704         compiler.
1705
1706 2006-10-16  Mike Stump  <mrs@apple.com>
1707
1708         * doc/invoke.texi (Darwin Options): Document -mkernel.
1709         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1710         -mkernel support.
1711         (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support.  Add
1712         SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1713         (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1714         (OS_MISSING_ALTIVEC): Add.
1715         * config/i386/i386.c (override_options): Add
1716         SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1717         * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1718         -mkernel, -static or -mdynamic-no-pic is given.
1719         (C_COMMON_OVERRIDE_OPTIONS): Add.
1720         * config/darwin.opt (fapple-kext): Add.
1721         (mkernel): Add.
1722         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1723         -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1724         -mkernel support.
1725         (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1726         (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1727         (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1728         (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1729         (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1730         (flag_mkernel): Add.
1731         (flag_apple_kext): Add.
1732         (TARGET_KEXTABI): Add.
1733         * config/darwin.c (darwin_handle_kext_attribute): Add.
1734         (DARWIN_VTABLE_P): Add.
1735         (darwin_binds_local_p): Add partial support for rebinding vtables
1736         in kexts.
1737         (darwin_kextabi_p): Add.
1738         (darwin_override_options): Add.
1739         * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1740         (darwin_kextabi_p): Add.
1741         (darwin_override_options): Add.
1742         * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1743         __DYNAMIC__ and __STATIC__ here.
1744
1745 2006-10-16  Brooks Moses  <bmoses@stanford.edu>
1746
1747         * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1748         Added mention of "make pdf" target, and Texinfo requirements for
1749         same.
1750
1751 2006-10-16  DJ Delorie  <dj@redhat.com>
1752
1753         * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1754         into the GOT in case we need a subreg of the address.
1755
1756 2006-10-16  Richard Guenther  <rguenther@suse.de>
1757
1758         PR target/25519
1759         * doc/extend.texi (X86 Built-in Functions): Fix typos in
1760         SSE builtin documentation.  Document SSE2 builtins.
1761
1762 2006-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1763
1764         * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1765         symbol in the output file for non-shared links when -nostdlib or
1766         -nodefaultlibs isn't specified.
1767
1768         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1769         posix thread support.
1770
1771 2006-10-15  Jan Hubicka  <jh@suse.cz>
1772
1773         PR middle-end/29241
1774         * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1775         declared always_inline even when not inlining.
1776
1777 2006-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
1778             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1779             Andrew Pinski  <pinskia@gmail.com>
1780
1781         PR middle-end/29111
1782         * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1783
1784 2006-10-15  Jan Hubicka  <jh@suse.cz>
1785             Richard Guenther  <rguenther@suse.de>
1786
1787         PR middle-end/29299
1788         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1789         process_function_and_variable_attributes on all variables, including
1790         those discovered during cgraph construction phase.
1791
1792 2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>
1793
1794         * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1795
1796 2006-10-14  Uros Bizjak  <uros@kss-loka.si>
1797
1798         * config/i386/athlon.md (athlon_fist): Add fisttp.
1799
1800 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
1801             Ian Lance Taylor  <ian@airs.com>
1802
1803         PR middle-end/29250
1804         * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1805         CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1806         recursing.
1807
1808 2006-10-14  Kazu Hirata  <kazu@codesourcery.com>
1809
1810         * config/score/score.c, config/score/score.h: Fix comment
1811         typos.
1812
1813 2006-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1814
1815         PR bootstrap/29402
1816         * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1817         shell pipeline.
1818
1819 2006-10-13  Eric Christopher  <echristo@apple.com>
1820
1821         * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1822
1823 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1824
1825         Revert this change:
1826         2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1827         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1828         alignment supported by 32-bit ELF.
1829
1830 2006-10-13  Eric Christopher  <echristo@apple.com>
1831
1832         * config/darwin.c (darwin_emit_unwind_label): Strip
1833         name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1834
1835 2006-10-13  Richard Guenther  <rguenther@suse.de>
1836
1837         PR tree-optimization/29446
1838         * tree-vrp.c (fix_equivalence_set): Remove.
1839         (extract_range_from_assert): Do not call fix_equivalence_set.
1840         (debug_value_range): Print a newline.
1841         (compare_name_with_value): For equivalence sets with
1842         inconsistent value ranges conservatively bail out.
1843         (compare_names): Likewise.
1844
1845 2006-10-13  David Edelsohn  <edelsohn@gnu.org>
1846
1847         * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1848         and MPFR for gfortran.
1849
1850 2006-10-13  Carlos O'Donell  <carlos@codesourcery.com>
1851
1852         * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1853         alignment supported by 32-bit ELF.
1854
1855 2006-10-13  Paolo Bonzini  <bonzini@gnu.org>
1856
1857         PR c/29092
1858
1859         * c-typeck.c (digest_init): Always allow initializing vectors
1860         that have static storage duration with compound literals.
1861         * tree.c (build_type_attribute_qual_variant): New, based on
1862         build_type_attribute_variant.
1863         (build_type_attribute_variant): Rewrite using the former.
1864         (make_vector_type): Use build_type_attribute_qual_variant to build
1865         type variants.  Use type_hash_canon on the others.
1866
1867 2006-10-13  Daniel Berlin <dberlin@dberlin.org>
1868             Ramana Radhakrishnan  <ramana.radhakrishnan@celunite.com>
1869
1870         * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1871
1872 2006-10-12  Jan Hubicka  <jh@suse.cz>
1873
1874         PR c/28419
1875         * c-decl.c (c_make_fname_decl): Do not segfault in case where
1876         current_function_decl is set but current_function_scope is not.
1877
1878 2006-10-12  Jie Zhang  <jie.zhang@analog.com>
1879
1880         * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1881         emit_insn to emit eh_return_internal instruction.
1882         (eh_return_internal): Explicitly set pc.
1883
1884 2006-10-11  Richard Guenther  <rguenther@suse.de>
1885
1886         PR tree-optimization/28230
1887         * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1888         to the correct place.
1889
1890 2006-10-11  Richard Guenther  <rguenther@suse.de>
1891
1892         PR inline-asm/29119
1893         * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1894         addressable.
1895
1896 2006-10-10  Brooks Moses  <bmoses@stanford.edu>
1897
1898         * configure.ac: Added pdf to "Make-hooks"
1899         * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1900         targets and *.pdf file patterns in cleanup targets.
1901         * configure: Regenerated.
1902
1903 2006-10-10  Anatoly Sokolov <aesok@post.ru>
1904
1905         * config/avr/predicates.md: New file.
1906         * config/avr/avr.md: Include it.
1907         (REG_SP): New constant.
1908         (peepholes): Use predicates.
1909         (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1910         difficult_branch,  difficult_rvbranch, cbi, sbi, sbix_branch,
1911         sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1912
1913 2006-10-10  Adam Nemet  <anemet@caviumnetworks.com>
1914
1915         * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1916         avoid alias set 0.
1917
1918 2006-10-10  Jakub Jelinek  <jakub@redhat.com>
1919
1920         PR middle-end/29272
1921         * builtins.c (var_decl_component_p): New function.
1922         (fold_builtin_memset, fold_builtin_memory_op): Restrict
1923         single entry optimization to variables and components thereof.
1924
1925 2006-10-10  Richard Guenther  <rguenther@suse.de>
1926
1927         PR rtl-optimization/29323
1928         * except.c (set_nothrow_function_flags): For functions
1929         that do not bind local bail out early.
1930
1931 2006-10-10  Ben Elliston  <bje@au.ibm.com>
1932
1933         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1934         -mdlmzb option.
1935
1936 2006-10-09  Richard Henderson  <rth@redhat.com>
1937
1938         Revert emutls patch.
1939
1940 2006-10-09  Richard Guenther  <rguenther@suse.de>
1941
1942         PR middle-end/29254
1943         * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1944         errors.
1945
1946 2006-10-09  Steve Ellcey  <sje@cup.hp.com>
1947
1948         PR target/27880
1949         * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1950         * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1951         * configure: Regenerate.
1952         * config.in: Regenerate.
1953
1954 2006-10-09  Aldy Hernandez  <aldyh@redhat.com>
1955
1956         * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1957
1958 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
1959
1960         * config/mips/mips.c (mips_legitimize_tls_address): Implement
1961         all TLS models in the same way as local exec if !TARGET_ABICALLS.
1962         Remove stray newline.
1963
1964 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
1965
1966         * config/mips/mips.c (mips_classify_symbol): Do not return
1967         SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1968         (mips_in_small_data_p): Tweak comments.
1969
1970 2006-10-08  Richard Sandiford  <richard@codesourcery.com>
1971
1972         * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1973
1974 2006-10-07  Kazu Hirata  <kazu@codesourcery.com>
1975
1976         * gimplify.c, sched-int.h: Fix comment typos.
1977
1978         * sched-int.h: Fix comment typos.
1979
1980 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1981
1982         * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1983         New macros.
1984         * sched-ebb.c (begin_schedule_ready): Use them.
1985         * haifa-sched.c (schedule_insn, move_insn, try_ready,
1986         add_to_speculative_block, create_check_block_twin, speculate_insn,
1987         fix_jump_move, move_block_after_check): Ditto.
1988         * sched-rgn.c (new_ready): Ditto.
1989
1990 2006-10-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1991
1992         PR rtl-optimization/29128
1993         * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1994         * sched-ebb.c (advance_target_bb): Use it to fix condition to
1995         allow interblock movement of speculation checks.
1996
1997 2006-10-06  Zdenek Dvorak <dvorakz@suse.cz>
1998
1999         PR middle-end/29256
2000         * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2001         casted to integer type.
2002         (get_address_cost): Decrease cost of [symbol + index] addressing modes
2003         if they are significantly more expensive than [reg + index] ones.
2004
2005 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
2006
2007         PR tree-optimization/29330
2008         * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2009         (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2010         on newly allocated ddrs.
2011         (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2012         to VEC (loop_p, heap) pointer.
2013         (compute_data_dependences_for_loop): Adjust caller.
2014         (free_dependence_relations): Free DDR_LOOP_NEST.
2015
2016         * tree-loop-linear.c (linear_transform_loops): Don't forget to
2017         free DEPENDENCE_RELATIONS and DATAREFS.
2018
2019         PR target/28924
2020         * builtins.c (expand_builtin_sync_operation,
2021         expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2022         Use convert_to_mode to handle promoted arguments.
2023
2024 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
2025
2026         * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2027
2028 2006-10-06  J"orn Rennecke  <joern.rennecke@st.com>
2029
2030         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2031
2032 2006-10-05  Uros Bizjak  <uros@kss-loka.si>
2033
2034         * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2035         "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2036         Use <modeconstraint> instead of "r" as operand 1 constraint.
2037
2038 2006-10-06  Olivier Hainque  <hainque@adacore.com>
2039
2040         * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2041         Don't recurse on the pointed-to type.
2042         * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2043         DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2044         types with components of variable size.
2045
2046 2006-10-06  Danny Smith  <dannysmith@users.sourceforge.net>
2047
2048         * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2049
2050 2006-10-06  Jakub Jelinek  <jakub@redhat.com>
2051
2052         PR tree-optimization/29290
2053         * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2054         multiple exits.
2055
2056         PR target/29198
2057         * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2058         * config/i386/predicates.md (local_symbolic_operand): Likewise.
2059
2060         PR c/29091
2061         * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2062         the number of vector elements fill the rest with zeros.
2063
2064 2006-10-05  Richard Sandiford  <richard@codesourcery.com>
2065
2066         * config/mips/mips.c (mips_pass_by_reference): Do not return false
2067         for EABI if type is NULL.  Use a size check based on GET_MODE_SIZE
2068         instead.
2069
2070 2006-10-05  Bernd Schmidt  <bernd.schmidt@analog.com>
2071
2072         * config/bfin/bfin.md (subsi3): Lose expander, change previously
2073         unnamed pattern into subsi3.  Use correct constraints/predicates.
2074         * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2075         * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2076
2077 2006-10-05  Ira Rosen  <irar@il.ibm.com>
2078
2079         * doc/loop.texi: Add data references analysis description.
2080
2081 2006-10-04  Brooks Moses  <bmoses@stanford.edu>
2082
2083         * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2084
2085 2006-10-04  Richard Henderson  <rth@redhat.com>
2086             Jakub Jelinek  <jakub@redhat.com>
2087
2088         * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2089         * builtin-types.def (BT_WORD): Make unsigned.
2090         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2091         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2092         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2093         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2094         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2095         * cgraph.c (decide_is_variable_needed): Look at force_output.
2096         Recurse for emulated tls.
2097         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2098         checks redundant with decide_is_variable_needed.
2099         (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2100         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2101         emulated tls.
2102         * expr.c (emutls_var_address): New.
2103         (expand_expr_real_1): Expand emulated tls.
2104         (expand_expr_addr_expr_1): Likewise.
2105         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2106         * output.h (emutls_finish): Declare.
2107         * toplev.c (compile_file): Call it.
2108         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2109         address before wrapping in CONST.
2110         * varasm.c (emutls_htab, emutls_object_type): New.
2111         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2112         (get_emutls_object_name, get_emutls_object_type): New.
2113         (get_emutls_init_templ_addr, emutls_decl): New.
2114         (emutls_common_1, emutls_finish): New.
2115         (assemble_variable): When emulating tls, swap decls; generate
2116         constructor for the emutls objects.
2117         (do_assemble_alias): When emulating tls, swap decl and target name.
2118         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2119         for emulated tls.
2120         * emutls.c: New file.
2121         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2122         tls_object for real tls.
2123
2124 2006-10-04  Zack Weinberg  <zackw@panix.com>
2125
2126         Fix bug in constraint-check generator, reported by Rask Ingemann
2127         Lambertsen:
2128         * genpreds.c (add_constraint): Don't remove anything from the
2129         expression here.
2130         (write_tm_constrs_h): Detect whether "op" argument is used, and
2131         mark it ARG_UNUSED if it isn't.
2132         (write_insn_const_int_ok_for_constraint): Skip the part of the
2133         expression that would test whether "op" (which is not available
2134         here) is a CONST_INT.
2135
2136 2006-10-04  Ryan Mansfield  <rmansfield@qnx.com>
2137
2138         PR c++/28448
2139         * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2140
2141 2006-10-03  Geoffrey Keating  <geoffk@apple.com>
2142
2143         * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2144         current Leopard versions.
2145         * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2146
2147 2006-10-03  Kazu Hirata  <kazu@codesourcery.com>
2148
2149         * doc/install.texi: Fix typos.
2150
2151 2006-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2152
2153         * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2154         * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2155         * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2156
2157 2006-10-02  Jack Howarth  <howarth@bromo.med.uc.edu>
2158
2159         * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2160         arg to be struct mach_header_64* instead.
2161
2162 2006-10-02  Jakub Jelinek  <jakub@redhat.com>
2163
2164         PR c/29154
2165         * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2166         side effects after the outer expression's post side effects.
2167
2168 2006-10-01  Sandra Loosemore  <sandra@codesourcery.com>
2169
2170         * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET):  Fix
2171         comments to reflect actual behavior and relationship between
2172         DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2173
2174         * doc/c-tree.texi (Working with declarations): Fix documentation
2175         of FIELD_DECL likewise.
2176
2177 2006-10-01  Ryan Mansfield  <rmansfield@qnx.com>
2178
2179         PR c/20533
2180         * doc/extend.texi: Add used variable attribute description.
2181
2182 2006-09-30  Joseph S. Myers  <joseph@codesourcery.com>
2183
2184         PR c/24010
2185         * c.opt (Woverride-init): New.
2186         * c-opts.c (c_common_post_options): Default warn_override_init to
2187         extra_warnings.
2188         * c-typeck.c (add_pending_init, output_init_element): Warn for
2189         overriding initializers without side effects.
2190         * doc/invoke.texi (-Woverride-init): Document.
2191         (-Wextra): Update.
2192
2193 2006-09-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2194
2195         PR rtl-optimization/28096
2196         * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2197         assignment has already been used as a destination earlier in the block.
2198
2199 2006-09-29  Eric Botcazou  <ebotcazou@adacore.com>
2200
2201         * builtins.c (expand_builtin_setjmp): Delete.
2202         (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2203         <BUILT_IN_SETJMP_SETUP>: New case.
2204         <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2205         <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2206         * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2207         (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2208         (BUILT_IN_SETJMP_RECEIVER): Likewise.
2209         * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2210         (lower_function_body): Initialize it to false.  If it is set to true
2211         at the end of the processing, emit the setjmp dispatcher.
2212         (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2213         is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2214         <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2215         on the rhs of the assignment.
2216         (lower_builtin_setjmp): New function.
2217         * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2218         BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2219         * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2220         to detect calls that can go to non-local labels.  Use specific
2221         helper to create the abnormal edges associated with them.
2222         <MODIFY_EXPR>: Likewise.
2223         (make_abnormal_goto_edges): New function extracted from...
2224         (make_goto_expr_edges): ...here.  Call it for computed gotos.
2225         (simple_goto_p): Minor tweak.
2226         (tree_can_make_abnormal_goto): New predicate.
2227         (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2228         (tree_purge_dead_abnormal_call_edges): New function.
2229         * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2230         (tree_purge_dead_abnormal_call_edges): Likewise.
2231         (make_abnormal_goto_edges): Likewise.
2232         * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2233         Purge all dead abnormal edges if the call was in the last statement.
2234         * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2235         (execute_fixup_cfg): If there are non-local labels in the function,
2236         scan the basic blocks and split them at calls that can go to non-local
2237         labels or add missing abnormal call edges.  Write down the CFG in the
2238         dump file.
2239         (pass_fixup_cfg): Remove TODO_dump_func flag.
2240         * unwind-sjlj.c: Poison setjmp.
2241         * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2242         * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2243         (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2244         (DONT_USE_BUILTIN_SETJMP): Document it.
2245
2246 2006-09-28  Geoffrey Keating  <geoffk@apple.com>
2247
2248         PR target/28617
2249         * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2250         to 1 when __ppc64__ is defined.
2251         * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2252         darwin-64.c.
2253         * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2254
2255 2006-09-28  Steve Ellcey  <sje@cup.hp.com>
2256
2257         * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2258         * config/ia64/unwind-hpux.c: Delete.
2259
2260 2006-09-28  Eric Botcazou  <ebotcazou@adacore.com>
2261
2262         * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2263         on the element before gimplifying it, instead of punting if it is of
2264         variable size.
2265
2266 2006-09-28  Zdenek Dvorak <dvorakz@suse.cz>
2267
2268         * doc/loop.texi: New file.
2269         * doc/gccint.texi: Reference loop.texi.
2270         * Makefile.in (loop.texi): Add.
2271
2272 2006-09-27  Geoffrey Keating  <geoffk@apple.com>
2273
2274         * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2275         __sysctl.
2276         * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2277         * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2278
2279 2006-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2280
2281         * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2282
2283 2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>
2284
2285         * doc/install.texi: Document required versions of GMP and MPFR.
2286
2287 2006-09-27  Paul Brook  <paul@codesourcery.com>
2288
2289         PR target/29230
2290         * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2291
2292 2006-09-27  Richard Sandiford  <richard@codesourcery.com>
2293
2294         * reload1.c (alter_reg): Require the alignment of the stack slot to
2295         be at least reg_max_ref_width bytes.
2296         (scan_paradoxical_subregs): Record the largest width in
2297         reg_max_ref_width.
2298
2299 2006-09-26  Jakub Jelinek  <jakub@redhat.com>
2300
2301         PR middle-end/25261
2302         PR middle-end/28790
2303         * tree-nested.c (struct nesting_info): Added static_chain_added.
2304         (convert_call_expr): Set static_chain_added when adding static
2305         chain.  Handle OMP_PARALLEL and OMP_SECTION.
2306
2307 2006-09-25  Matthias Klose  <doko@debian.org>
2308
2309         * doc/invoke.texi: Add missing full stop.
2310
2311 2006-09-25  Richard Henderson  <rth@redhat.com>
2312
2313         * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2314         before cgraph_function_flags_ready.
2315
2316 2006-09-24  Zdenek Dvorak <dvorakz@suse.cz>
2317             Adam Nemet  <anemet@caviumnetworks.com>
2318
2319         * tree-ssa-loop-ivopts.c (aff_combination_convert,
2320         determine_common_wider_type): New functions.
2321         (get_computation_aff): Use them to simplify arithmetic between
2322         UBASE and CBASE if they are shortened from the same type.
2323
2324 2006-09-24  Kazu Hirata  <kazu@codesourcery.com>
2325
2326         PR target/28911
2327         * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2328         -2147483647 - 1 instead of 0x80000000.
2329
2330 2006-09-23  Revital1 Eres  <ERES@il.ibm.com>
2331
2332         * flags.h (HONOR_NANS): Fix typo in comment.
2333
2334 2006-09-23  Uros Bizjak <uros@kss-loka.si>
2335
2336         * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2337
2338 2006-09-23  Jakub Jelinek  <jakub@redhat.com>
2339
2340         PR c/28706
2341         PR c/28712
2342         * tree.c (merge_attributes, attribute_list_contained): If both
2343         TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2344         simple_cst_equal.
2345         * c-typeck.c (comptypes_internal): Don't consider aggregates
2346         in different TUs as compatible if there one set of attributes is
2347         not a subset of the other type's attributes.
2348         (composite_type): Try harder not to create a new aggregate type.
2349
2350 2006-09-22  Geoffrey Keating  <geoffk@apple.com>
2351
2352         * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2353         * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2354         or x86_64 host.  Define HAVE_LOCAL_CPU_DETECT.
2355         (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2356         than replicating condition above.
2357         * config.host (i[34567]86-*-*): Always use driver-i386.o.
2358
2359         * config/darwin.h (LINK_SYSROOT_SPEC): New.
2360         (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2361         the linker by default.
2362
2363 2006-09-22  Mike Stump  <mrs@apple.com>
2364
2365         * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2366         code.
2367
2368 2006-09-22  Richard Guenther  <rguenther@suse.de>
2369
2370         PR middle-end/28964
2371         * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2372         sort of stack variables stable.
2373
2374 2006-09-22  Peter Bergner <bergner@vnet.ibm.com>
2375
2376         PR middle-end/28690
2377         * explow.c (force_reg): Set REG_POINTER flag according to
2378         MEM_POINTER flag.
2379
2380 2006-09-22  Zdenek Dvorak <dvorakz@suse.cz>
2381
2382         PR tree-optimization/28888
2383         * tree-if-conv.c (combine_blocks): Rewritten.
2384         * tree-cfg.c (tree_verify_flow_info): Check that edges with
2385         EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2386
2387 2006-09-22  Jakub Jelinek  <jakub@redhat.com>
2388
2389         * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2390         needed.
2391
2392 2006-09-21  Richard Sandiford  <richard@codesourcery.com>
2393
2394         * varasm.c (copy_constant): Fix reversed gcc_assert check.
2395
2396 2006-09-21  Janis Johnson  <janis187@us.ibm.com>
2397
2398         * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2399
2400 2006-09-21  Roger Sayle  <roger@eyesopen.com>
2401
2402         PR debug/29132
2403         * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2404         dw_fde_current_label, to be the start of the function, i.e. the same
2405         value as dw_fde_begin.
2406
2407 2006-09-20  Richard Sandiford  <richard@codesourcery.com>
2408
2409         * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2410         * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2411         (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2412         (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2413         (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2414         (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2415         (abs<mode>2, neg<mode>2): Likewise.
2416         * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2417         (*mips_abs_ps): New define_insn.
2418
2419 2006-09-20  Josh Conner  <jconner@apple.com>
2420
2421         PR middle-end/25505
2422         * calls.c (expand_call): Allow reuse of structure return stack
2423         temp.
2424
2425 2006-09-20  Paul Brook  <paul@codesourcery.com>
2426
2427         * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2428         positive offsets.
2429
2430 2006-09-20  Janis Johnson  <janis187@us.ibm.com>
2431
2432         * doc/extend.texi (Decimal Float): Update for latest draft TR,
2433         clean up terminology.
2434
2435 2006-09-20  Steve Ellcey  <sje@cup.hp.com>
2436
2437         PR target/28574
2438         * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2439         with tablejumps in them.
2440
2441 2006-09-20  Jakub Jelinek  <jakub@redhat.com>
2442
2443         PR middle-end/28046
2444         * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2445         wrap it into TARGET_EXPR.
2446
2447 2006-09-20  Eric Christopher  <echristo@apple.com>
2448
2449         * config/i386/i386.c (x86_fisttp): Remove.
2450         * config/i386/i386.h (x86_fisttp): Ditto.
2451         (TARGET_FISTTP): Ditto.
2452
2453 2006-09-19  Eric Christopher  <echristo@apple.com>
2454
2455         * doc/tm.texi (OBJC_JBLEN): Describe.
2456         * config/i386/darwin.h (OBJC_JBLEN): Define.
2457         * config/rs6000/darwin.h: Ditto.
2458
2459 2006-09-19  Steven Bosscher  <steven@gcc.gnu.org>
2460
2461         PR rtl-optimization/21299
2462         * reload1.c (reload): Purge invalid ASMs in the final pass.
2463
2464 2006-09-19  Steve Ellcey  <sje@cup.hp.com>
2465
2466         PR  28490
2467         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2468         pointers as legitimate constants.
2469
2470 2006-09-19  Paul Brook  <paul@codesourcery.com>
2471
2472         PR target/28516
2473         * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2474
2475 2006-09-17  Zdenek Dvorak <dvorakz@suse.cz>
2476
2477         PR tree-optimization/28887
2478         * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2479         component parts from the reference.
2480         (gather_memory_references_ref): Record the reference without the
2481         nonaddressable component parts.
2482
2483 2006-09-17  Steven Bosscher  <steven@gcc.gnu.org>
2484
2485         PR c/25993
2486         * c-opts.c (c_common_handle_option): Ignore the -std options
2487         if the input language is assembly.
2488
2489 2006-09-17  Ira Rosen  <irar@il.ibm.com>
2490
2491         PR tree-opt/21591
2492         * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2493         tag first.
2494         (ptr_ptr_may_alias_p): Likewise.
2495         (record_record_differ_p): New function.
2496         (base_object_differ_p): Call record_record_differ_p.
2497
2498 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
2499
2500         PR tree-opt/29059
2501         * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2502         away for the expr argument.
2503
2504 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
2505
2506         PR tree-opt/27742
2507         * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2508         before using it for dumping after vectorizing loops.
2509
2510 2006-09-16  Andrew Pinski  <pinskia@physics.uc.edu>
2511             Jack Howarth  <howarth@bromo.med.uc.edu>
2512
2513         PR target/29030
2514         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2515         skip on error_mark_node.
2516         (rs6000_darwin64_record_arg_recurse): Likewise.
2517
2518 2006-09-16  Steven Bosscher  <steven@gcc.gnu.org>
2519
2520         * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2521         * doc/rtl.texi: Remove related documentation.
2522
2523 2006-09-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2524
2525         * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2526         printf.
2527
2528 2006-09-15  Jim Wilson  <wilson@specifix.com>
2529
2530         * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2531         Handle symbol offsets same as they are handled in ia64_expand_move
2532         and move_operand.
2533
2534 2006-09-16  Andreas Tobler  <a.tobler@schweiz.org>
2535
2536         * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2537         Add forgotten parameter to the fprintf call.
2538
2539 2006-09-15  Steve Ellcey  <sje@cup.hp.com>
2540
2541         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2542
2543 2006-09-15  Uros Bizjak <uros@kss-loka.si>
2544
2545         * doc/contrib.texi: Add my entry.
2546
2547 2006-09-15  Nick Clifton  <nickc@redhat.com>
2548
2549         * doc/md.texi (Processor pipeline description): Fix typo in
2550         example of how to use the absence_set directive and reword the
2551         description to make it slightly easier to read.
2552
2553 2006-09-15  Bernd Schmidt  <bernd.schmidt@analog.com>
2554
2555         * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2556         * loop-doloop.c (doloop_optimize): Use it to limit costs of
2557         expanding the number of iterations.
2558         * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2559
2560         * cfgrtl.c (emit_insn_at_entry): New function.
2561         * rtl.h (emit_insn_at_entry): Declare it.
2562         * integrate.c (emit_initial_value_sets): Use it.
2563
2564         * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2565
2566         * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2567         bad.
2568         (struct loop_work and related VEC declarations): Delete.
2569         (bfin_dump_loops): Print out new member bad.
2570         (bfin_bb_in_loop): Use plain bitmap test.  Don't recurse.
2571         (bfin_scan_loop): Don't recurse.
2572         (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2573         loops.  No longer need to update outer loops if the current one is
2574         found bad.  Move some validitiy checks to bfin_discover_loop.
2575         (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2576         but changed not to check for nesting.  Also changed to use the new bad
2577         flag.
2578         (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2579         time.  Use bitmap based test to discover loop nesting.
2580
2581 2006-09-15  Kazu Hirata  <kazu@codesourcery.com>
2582
2583         * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2584         one line.
2585
2586 2006-09-14  Richard Guenther  <rguenther@suse.de>
2587             Kazu Hirata  <kazu@codesourcery.com>
2588
2589         PR middle-end/28884.
2590         * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2591         (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2592         Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2593         with TARGET_FUNCTION_VALUE.
2594
2595 2006-09-14  Anatoly Sokolov <aesok@post.ru>
2596
2597         PR target/26504
2598         * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2599
2600 2006-09-13  Aldy Hernandez  <aldyh@redhat.com>
2601
2602         * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2603         of a RETURN_EXPR
2604
2605 2006-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
2606
2607         PR debug/28980
2608         * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2609         FUNCTION_DECL.
2610
2611 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2612
2613         * basic_block.h (bb_has_eh_pred): Fix comment.
2614
2615 2006-09-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2616
2617         * flow.c (calculate_global_regs_live): Invalidate eh registers
2618         on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2619         (propagate_block): Handle eh registers as if they were set at basic
2620         block start.
2621         * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2622         registers.
2623         * global.c (global_conflicts): Make eh registers to conflict with
2624         pseudos live at basic block begin.
2625         * basic_block.h (bb_has_eh_pred): New function.
2626
2627 2006-09-13  Richard Sandiford  <richard@codesourcery.com>
2628
2629         PR rtl-optimization/28982
2630         * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2631         index of a PRE_MODIFY or POST_MODIFY address.
2632         * reload1.c (inc_for_reload): Use find_replacement on the original
2633         base and index registers.
2634
2635 2006-09-12  H.J. Lu  <hongjiu.lu@intel.com>
2636
2637         * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2638         for -Os. Update __m128 alignment requirement.
2639
2640 2006-09-13  Jan Hubicka  <jh@suse.cz>
2641
2642         * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2643
2644 2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2645
2646         PR rtl-optimization/28243
2647         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2648         the insn to which the note was originally attached.
2649
2650 2006-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
2651             Roger Sayle  <roger@eyesopen.com>
2652
2653         * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2654         outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2655         on platforms that don't use dwarf for debug info.
2656
2657 2006-09-12  Jason Merrill  <jason@redhat.com>
2658
2659         PR middle-end/28493
2660         * builtins.c (expand_builtin_setjmp_receiver): Clobber
2661         hard_frame_pointer_rtx after using it to update the frame pointer.
2662
2663 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2664
2665         * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2666         (TARGET_ASM_CLOSE_PAREN): Likewise.
2667         * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2668         (TARGET_ASM_CLOSE_PAREN): Likewise.
2669
2670 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2671
2672         PR target/22223
2673         * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2674         frame information for frames larger than 512 Kbytes on Tru64 when
2675         using the native assembler.
2676
2677 2006-09-12  Roger Sayle  <roger@eyesopen.com>
2678
2679         PR middle-end/4520
2680         PR bootstrap/28784
2681         * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2682         and symbols.  Instead use the implementation from cse.c's hash_rtx.
2683
2684 2006-09-12  Jan Hubicka  <jh@suse.cz>
2685
2686         PR rtl-optimization/28071
2687         * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2688         (vect_transform_loop): Likewise.
2689         * tree-vectorizer.c (new_loop_vec_info): Likewise.
2690         (new_loop_vec_info): Likewise.
2691         (destroy_loop_vec_info): Likewise.
2692         * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2693         (create_stmt_ann): Likewise.
2694         (create_tree_ann): Rename to ...
2695         (create_tree_common_ann): ... this one; allocate only the common part
2696         of annotations.
2697         * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2698         (get_value_handle): Likewise.
2699         * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2700         get_tree_common_ann.
2701         * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2702         (vinfo_for_stmt): Use stmt annotations.
2703         * tree-flow.h (tree_ann_common_t): New type.
2704         (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2705         (tree_ann, get_tree_ann, create_tree_ann): New.
2706         * tree-flow-inline.h (get_function_ann): Do more type checking.
2707         (stmt_ann): Likewise.
2708         (tree_ann): Rename to ...
2709         (tree_common_ann): ... this one; return ony common_ann
2710         (get_tree_ann): Rename to ...
2711         (tree_common_ann): This one; return only common_ann.
2712         * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2713         of set_stmt_info.
2714
2715 2006-09-11  Geoffrey Keating  <geoffk@apple.com>
2716
2717         * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2718         with_cpu by default.
2719
2720         * dwarf2out.c (dwarf_file_data): New.
2721         (enum dw_val_class): Add dw_val_class_file.
2722         (struct dw_val_struct): Add val_file.
2723         (file_table): Change to a hash table.
2724         (file_table_emitted): Delete.
2725         (file_table_last_lookup_index): Delete.
2726         (emitcount): Delete.
2727         (last_emitted_file): New.
2728         (lookup_filename): Change prototype to return a struct dwarf_file_data.
2729         (init_file_table): Delete.
2730         (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2731         (AT_addr): Add comment.
2732         (add_AT_file): New.
2733         (AT_file): New.
2734         (get_AT_file): New.
2735         (print_die): Handle dw_val_class_file.
2736         (print_dwarf_line_table): Update for new file table structure.
2737         (attr_checksum): Do checksum a filename.
2738         (same_dw_val_p, same_attr_p): Do compare a filename.
2739         (size_of_die): Handle dw_val_class_file.
2740         (value_format): Likewise.
2741         (output_die): Likewise.  Also, call maybe_emit_file here.
2742         (struct file_info): Constify filenames.  Make file_idx a pointer
2743         to a struct dwarf_file_data.
2744         (struct dir_info): Constify directory names.  Remove 'used' field.
2745         (struct file_name_acquire_data): New.
2746         (file_name_acquire): New.
2747         (output_file_names): Modify to handle new file data structures.
2748         (add_src_coords_attributes): Use add_AT_file.
2749         (add_call_src_coords_attributes): Likewise.
2750         (dwarf2out_imported_module_or_decl): Likewise.
2751         (gen_subprogram_die): Modify for new file data structures.
2752         (gen_variable_die): Likewise.
2753         (file_table_eq): New.
2754         (file_table_hash): New.
2755         (file_table_last_lookup): New.
2756         (lookup_filename): Rewrite to handle new file data structures.
2757         (maybe_emit_file): Rewrite to handle new file data structures.
2758         (dwarf2out_source_line): Always call lookup_filename and
2759         maybe_emit_file.
2760         (dwarf2out_init): Create file_table here.
2761         (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2762         (file_table_relative_p): New.
2763         (dwarf2out_finish): Change detection of relative filenames
2764         to work with new file data structures.  Move output_line_info call
2765         after debug_info output.
2766
2767 2006-09-11  H.J. Lu  <hongjiu.lu@intel.com>
2768
2769         PR target/13685
2770         PR target/27537
2771         PR target/28621
2772         * config/i386/i386.c (override_options): Always default to 16
2773         byte stack boundary.
2774
2775 2006-09-11  Alexandre Oliva  <aoliva@redhat.com>
2776
2777         PR target/28672
2778         * var-tracking.c (dump_dataflow_set): Start dumping at
2779         register zero.
2780         (clobber_variable_part): Kill only the variable part in
2781         registers holding it, leaving other variables alone.
2782
2783 2006-09-11  Josh Triplett  <josh@freedesktop.org>
2784
2785         * doc/extend.texi (Other Builtins): Actually use the macro
2786         argument in the documentation example for
2787         __builtin_types_compatible_p.
2788
2789 2006-09-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
2790
2791         PR rtl-optimization/28726
2792         * sched-deps.c (sched_analyze_reg): New function extracted from...
2793         (sched_analyze_1): ...here.  Call it to analyze references to
2794         registers.  Treat again writes to a stack register as writing to the
2795         register.
2796         (sched_analyze_2): ...and here.  Call it to analyze references to
2797         registers.  Treat again reads of a stack register as reading the
2798         register.
2799
2800 2006-09-11  Guenter Roeck  <guenter@roeck-us.net>
2801             David Edelsohn  <edelsohn@gnu.org>
2802
2803         PR target/27287
2804         * config/rs6000/spe.md (frob_df_di): Remove %H.
2805         (frob_di_df): Remove %H.  Change evmergelo to mr.
2806         (frob_di_df_2): Remove %H.  Change evldd to two loads.
2807
2808 2006-09-11  Hideki Iwamoto  <h-iwamoto@kit.hi-ho.ne.jp>
2809
2810         * doc/cpp.texi: Fix names of charset options.
2811
2812 2006-09-10  Andrew Pinski  <pinskia@physics.uc.edu>
2813
2814         PR target/29009
2815         * config/i386/i386.c (override_options): Use 128-bit
2816         stack boundary always for 64bits.
2817
2818 2006-09-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2819
2820         PR rtl-optimization/28636
2821         * combine.c (force_to_mode): Test for side-effects before
2822         substituting by zero.
2823         (simplify_shift_const): Likewise for zero or other constants.
2824
2825 2006-09-10  Steven Bosscher  <steven@gcc.gnu.org>
2826
2827         PR middle-end/26983
2828         * builtins.c (expand_builtin_setjmp): Force next_lab to be
2829         preserved.
2830
2831 2006-09-10  Richard Sandiford  <richard@codesourcery.com>
2832
2833         PR target/29006
2834         * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2835         * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2836         returned by mode_for_size, rather than the mode of src itself,
2837         to choose between 32-bit and 64-bit patterns.
2838         (mips_mem_fits_mode_p): New function.
2839         * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2840         that the size of the source matches the size of the destination.
2841         (mov_<store>l, mov_<store>r): Likewise.
2842
2843 2006-09-10  Eric Christopher  <echristo@apple.com>
2844
2845         * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2846         for literal16.
2847
2848 2006-09-09  Eric Christopher  <echristo@apple.com>
2849
2850         PR target/28995
2851         * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2852         for literal16.
2853
2854 2006-09-09  Roger Sayle  <roger@eyesopen.com>
2855             Nicolas Setton <setton@adacore.com>
2856
2857         * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2858
2859 2006-09-10  Andreas Schwab  <schwab@suse.de>
2860
2861         * config/m68k/m68k.md (bungt_rev): New pattern.
2862
2863 2006-09-09  Paolo Bonzini  <bonzini@gnu.org>
2864             Dale Johannesen  <dalej@apple.com>
2865
2866         PR target/26778
2867         * regclass.c (struct reg_pref): Update documentation.
2868         (regclass): Set prefclass to NO_REGS if memory is the best option.
2869         (record_reg_classes): Cope with a prefclass set to NO_REGS.
2870
2871 2006-09-08  Eric Christopher  <echristo@apple.com>
2872
2873         * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2874         * config/t-slibgcc-darwin: Support x86_64 multilib.
2875         * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2876         Return 1 for x86_64-darwin.
2877         * config/i386/t-darwin: Add m64 multilib.
2878         (LIB2_SIDITI_CONV_FUNCS): Use.
2879         (LIB2FUNCS_EXTRA): Ditto.
2880         * config/i386/darwin.h: Support x86_64.
2881         * config/i386/i386.c (override_options): Turn on flag_pic
2882         for x86_64-darwin. Disable flag_omit_pointer.
2883         (get_pc_thunk_name): Assert !TARGET_64BIT.
2884         (legitimate_address_p): Disable machopic addressing for
2885         x86_64.
2886         (legitimize_pic_address): Ditto.
2887         (ix86_expand_move): Ditto.
2888         (ix86_expand_call): Ditto.
2889         (machopic_output_stub): Ditto.
2890         * config/darwin.c (machopic_select_section): Support literal16.
2891         (machopic_select_rtx_section): Ditto.
2892         * config/darwin-sections.def: Ditto.
2893         * config/darwin-64.c: New.
2894
2895 2006-09-08  Joseph S. Myers  <joseph@codesourcery.com>
2896
2897         PR c/28504
2898         * c-tree.h (struct c_arg_info): Add pending_sizes.
2899         * c-parser.c (c_parser_parms_declarator,
2900         c_parser_parms_list_declarator): Initialize pending_sizes.
2901         * c-decl.c (get_parm_info): Initialize pending_sizes.
2902         (get_parm_info): Set pending_sizes.
2903         (grokdeclarator): Call put_pending_sizes for parameters for
2904         function definition only.
2905
2906 2006-09-07  Jason Merrill  <jason@redhat.com>
2907
2908         PR middle-end/27724
2909         * varasm.c (output_constant): Only strip actual no-op conversions.
2910
2911         PR target/13685
2912         * config/i386/i386.c (override_options): Use 128-bit
2913         stack boundary if -msse.
2914
2915 2006-09-07  Eric Christopher  <echristo@apple.com>
2916
2917         * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2918         comment.
2919         * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2920         Redefine.
2921
2922 2006-09-07  Geoffrey Keating  <geoffk@apple.com>
2923
2924         * dwarf2out.c: Remove strange characters from comment above
2925         dwarf2out_frame_debug_expr.
2926
2927 2006-09-07  Eric Christopher  <echristo@apple.com>
2928
2929         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2930         * config/darwin.h: ... to here.
2931
2932 2006-09-07  H.J. Lu  <hongjiu.lu@intel.com>
2933
2934         * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2935
2936         * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2937         (TARGET_PARTIAL_FLAG_REG_STALL): New.
2938
2939         * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2940         TARGET_PARTIAL_FLAG_REG_STALL.
2941         (*ashldi3_cconly_rex64): Likewise.
2942         (*ashlsi3_cmp): Likewise.
2943         (*ashlsi3_cconly): Likewise.
2944         (*ashlsi3_cmp_zext): Likewise.
2945         (*ashlhi3_cmp): Likewise.
2946         (*ashlhi3_cconly): Likewise.
2947         (*ashlqi3_cmp): Likewise.
2948         (*ashlqi3_cconly): Likewise.
2949         (*ashrdi3_cmp_rex64): Likewise.
2950         (*ashrdi3_cconly_rex64): Likewise.
2951         (*ashrsi3_cmp): Likewise.
2952         (*ashrsi3_cconly): Likewise.
2953         (*ashrsi3_cmp_zext): Likewise.
2954         (*ashrhi3_cmp): Likewise.
2955         (*ashrhi3_cconly): Likewise.
2956         (*ashrqi3_cmp): Likewise.
2957         (*ashrqi3_cconly): Likewise.
2958         (*lshrdi3_cmp_rex64): Likewise.
2959         (*lshrdi3_cconly_rex64): Likewise.
2960         (*lshrsi3_cmp): Likewise.
2961         (*lshrsi3_cconly): Likewise.
2962         (*lshrsi3_cmp_zext): Likewise.
2963         (*lshrhi3_cmp): Likewise.
2964         (*lshrhi3_cconly): Likewise.
2965         (*lshrqi2_cmp): Likewise.
2966         (*lshrqi2_cconly): Likewise.
2967
2968 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2969
2970         PR target/28946
2971         * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2972         "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2973         "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2974         "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2975         "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2976         "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2977         "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2978         "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2979         "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2980         implement only CC setting effects of shift instructions.
2981
2982 2006-09-07  Martin Michlmayr  <tbm@cyrius.com>
2983
2984         * doc/contrib.texi: Add myself.
2985
2986 2006-09-07  Andrew Pinski  <pinskia@physics.uc.edu>
2987
2988         PR middle-end/28862
2989         * stor-layout.c (relayout_decl): Don't zero the alignment if it
2990         was set by the user.
2991
2992 2006-09-07  Paolo Bonzini  <bonzini@gnu.org>
2993
2994         PR target/27117
2995         * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2996         (divsi_inv_m1): Use them.
2997         (UNSPEC_DIV_INV_TABLE): New constant.
2998
2999 2006-09-06  James E Wilson  <wilson@specifix.com>
3000
3001         PR rtl-opt/27883
3002         * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3003         then call count_or_remove_death_notes.
3004
3005 2006-09-06  Jason Merrill  <jason@redhat.com>
3006
3007         PR c++/27371
3008         * tree-inline.c (copy_result_decl_to_var): New fn.
3009         (declare_return_variable): Use it.  Call declare_inline_vars here.
3010         (expand_call_inline): Not here.
3011
3012 2006-09-06  Diego Novillo  <dnovillo@redhat.com>
3013
3014         * doc/contrib.texi: Update my entry.
3015
3016 2006-09-06  Nick Clifton  <nickc@redhat.com>
3017
3018         * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3019
3020 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
3021
3022         PR tree-opt/28937
3023         * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3024         (canonicalize_induction_variables): Likewise.
3025         (tree_unroll_loops_completely): Likewise.
3026         (tree_ssa_prefetch_arrays): Likewise.
3027         (remove_empty_loops): Likewise.
3028         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3029         TODO_cleanup_cfg instead of directly calling
3030         cleanup_tree_cfg_loop.
3031         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3032         Likewise.
3033         (tree_unroll_loops_completely): Likewise.
3034         (remove_empty_loops): Likewise.
3035         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3036         * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3037         of tree_ssa_unswitch_loops.
3038         (tree_ssa_loop_ivcanon): Use the return value of
3039         canonicalize_induction_variables.
3040         (tree_ssa_empty_loop): Use the return value of
3041         remove_empty_loops.
3042         (tree_complete_unroll): Use the return value of
3043         tree_unroll_loops_completely.
3044         (tree_ssa_loop_prefetch): Use the return value of
3045         tree_ssa_prefetch_arrays.
3046         * passes.c (execute_todo): Before Cleanup CFG, set
3047         updating_used_alone and after cleanup CFG, call
3048         recalculate_used_alone.
3049
3050 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
3051
3052         PR tree-opt/28952
3053         * tree-vect-transform.c (vectorizable_condition): Move the check
3054         for the type after the check for simple condition.
3055
3056 2006-09-05  J"orn Rennecke  <joern.rennecke@st.com>
3057             Kaz Kojima  <kkojima@gcc.gnu.org>
3058
3059         PR target/28764
3060         * mode-switching.c (optimize_mode_switching): Make the destination
3061         block of an abnormal edge have no anticipatable mode.  Don't
3062         insert mode switching code at the end of the source block of
3063         an abnormal edge.
3064
3065 2006-09-05  Paolo Bonzini  <bonzini@gnu.org>
3066
3067         PR rtl-optimization/26847
3068         * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3069         (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3070         (simplify_plus_minus): Count n_constants while filling ops.  Replace
3071         qsort with insertion sort.  Before going through the array to simplify
3072         pairs, sort it.  Delay early exit until after the first sort, exiting
3073         only if no swaps occurred.  Simplify pairs in reversed order, without
3074         special-casing the first iteration.  Pack ops after simplifying pairs.
3075
3076 2006-09-05  Anatoly Sokolov <aesok@post.ru>
3077
3078         * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3079         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3080         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3081         (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3082
3083 2006-09-05  Richard Guenther  <rguenther@suse.de>
3084
3085         PR tree-optimization/28900
3086         * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3087         compound conditional before creating COND_EXPR condition.
3088
3089 2006-09-05  Richard Guenther  <rguenther@suse.de>
3090
3091         PR tree-optimization/28905
3092         * tree-vrp.c (fix_equivalence_set): Manually implement
3093         !value_ranges_intersect_p to also handle symbolic ranges.
3094
3095 2006-09-05  Richard Guenther  <rguenther@suse.de>
3096
3097         PR middle-end/28935
3098         * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3099         of a COND_EXPR.
3100
3101 2006-09-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3102
3103         PR rtl-optimization/27616
3104         * cse.c (table_size): New static variable.
3105         (new_basic_block): Initialize it to 0.
3106         (remove_from_table): Decrement it.
3107         (insert): Increment it.
3108         (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3109         (fold_rtx_mem): Enforce a cap on the recursion depth.  Call
3110         fold_rtx_mem_1 if under the cap.
3111         (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3112         the lookup of the equivalent expression and test for equality of the
3113         first operand of the equivalent expression before in turn looking up
3114         an equivalent constant for the second operand.
3115
3116 2006-09-02  Geoffrey Keating  <geoffk@apple.com>
3117
3118         Revert this change:
3119         2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
3120         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3121         pointer, instead of assuming it is possible to derive the
3122         correct args size from a call insn.
3123
3124 2006-09-02  Jakub Jelinek  <jakub@redhat.com>
3125
3126         PR middle-end/27567
3127         * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3128         (fold_builtin_mempcpy): Rename to...
3129         (fold_builtin_memory_op): ... this.  Optimize one element copy
3130         into an assignment.
3131         (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3132         functions.
3133         (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3134         (expand_builtin_memcpy, expand_builtin_mempcpy,
3135         expand_builtin_memmove): Likewise.  Use fold_builtin_memory_op.
3136         (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3137         BUILT_IN_BCOPY.  Use fold_builtin_memory_op for
3138         BUILT_IN_MEM{CPY,PCPY,MOVE}.
3139
3140 2006-09-01  DJ Delorie  <dj@redhat.com>
3141
3142         * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3143         (stzx_16): Likewise.
3144         ("stzx_24_<mode>"): Likewise.
3145         ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3146         ("cmp<mode>_op"): New.
3147         (cmp<mode>): Change to expander; just save operands.
3148         (b<code>_op): New.
3149         (b<code>): Change to expander, emit compare here.
3150         (s<code>_op): Change to use split and expander.
3151         (s<code>_24_op): Likewise.
3152         (s<code>_<mode>): New.
3153         (s<code>_<mode>_24): New.
3154         (movqicc_<code>_<mode): New.
3155         (movhicc_<code>_<mode>): New.
3156         (s<code>): New.
3157         (s<code>_24): New.
3158         * config/m32c/m32c.c (compare_op0, compare_op1): New.
3159         (m32c_pend_compare): New.
3160         (m32c_unpend_compare): New.
3161         (m32c_expand_scc): New.
3162         (m32c_expand_movcc): Emit the compare also.
3163         * config/m32c/predicates.md (mra_nopp_operand): New.
3164
3165 2006-09-01  J"orn Rennecke  <joern.rennecke@st.com>
3166         Richard Guenther  <rguenther@suse.de>
3167         Adam Nemet  <anemet@caviumnetworks.com>
3168
3169         PR middle-end/27226
3170         * builtins.c (get_pointer_alignment): Handle more forms
3171         of base addresses that can be used to derive more precise
3172         information about alignment.
3173
3174 2006-09-01  Jason Merrill  <jason@redhat.com>
3175
3176         PR c++/28899
3177         * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3178         want_value.
3179
3180         * gimplify.c (voidify_wrapper_expr): Handle null type.
3181
3182 2006-09-01  Josh Conner  <jconner@apple.com>
3183
3184         PR c++/25505
3185         * tree-nrv.c (dest_safe_for_nrv_p): New function.
3186         (execute_return_slot_opt): Use it.
3187
3188 2006-08-31  Josh Conner  <jconner@apple.com>
3189
3190         PR c++/25505
3191         * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3192         returning aggregates.
3193
3194 2006-08-31  Zdenek Dvorak <dvorakz@suse.cz>
3195
3196         PR tree-optimization/28839
3197         * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3198         blocks in that phi arguments appear.
3199
3200 2006-08-31  Roger Sayle  <roger@eyesopen.com>
3201
3202         PR other/22313
3203         * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3204         NULL, otherwise use an advance_loc4 to adjust relative to the
3205         current label.
3206         (output_cfi) <DW_CFA_set_loc>: Update the current label.
3207         (dwarf2out_switch_text_section): Reset the current label to avoid
3208         using advance_loc4 over section boundaries.
3209
3210 2006-08-31  Andreas Krebbel  <krebbel1@de.ibm.com>
3211
3212         PR target/24367
3213         * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3214         r12 + SYMBOLIC_CONST.
3215
3216 2006-08-30  Richard Guenther  <rguenther@suse.de>
3217
3218         * Makefile.in (see.o): Add $(EXPR_H) dependency.
3219
3220 2006-08-30  Zdenek Dvorak <dvorakz@suse.cz>
3221
3222         PR rtl-optimization/27735
3223         * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3224         Add new argument to keep track of whether an irreducible region
3225         was affected.  All callers changed.
3226         (fix_irreducible_loops): Removed.
3227         (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3228         flags were invalidated.
3229
3230 2006-08-29  H.J. Lu  <hongjiu.lu@intel.com>
3231
3232         * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3233         instead of SF operands.
3234         (*fop_df_comm_sse): Likewise.
3235         (*fop_df_comm_i387): Likewise.
3236         (*fop_df_1_mixed): Likewise.
3237         (*fop_df_1_sse): Likewise.
3238
3239 2006-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
3240             J"orn Rennecke  <joern.rennecke@st.com>
3241
3242         PR tree-optimization/17506
3243         * tree-ssa.c (warn_uninit): If warning about a location outside of
3244         the current function, note where the variable was declared.
3245
3246 2006-08-28  Zdenek Dvorak <dvorakz@suse.cz>
3247
3248         PR tree-optimization/28411
3249         * double-int.c (double_int_div): Use double_int_divmod.
3250         (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3251         double_int_mod, double_int_smod, double_int_umod): New functions.
3252         * double-int.h (double_int_divmod, double_int_sdivmod,
3253         double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3254         Declare.
3255         * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3256         in double_int.
3257         (get_computation_aff, get_computation_cost_at): Handle double_int
3258         return type of constant_multiple_of.
3259
3260 2006-08-28  Kazu Hirata  <kazu@codesourcery.com>
3261
3262         PR middle-end/26632
3263         * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3264         an implicit conversion.
3265
3266 2006-08-28  Prafulla Thakare  <prafullat@kpitcummins.com>
3267
3268         * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3269
3270 2006-08-27  Roger Sayle  <roger@eyesopen.com>
3271
3272         * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3273         x87 instructions.
3274
3275 2006-08-27  Kazu Hirata  <kazu@codesourcery.com>
3276
3277         * config/i386/crtfastmath.c: Fix a comment typo.
3278
3279 2006-08-26  Roger Sayle  <roger@eyesopen.com>
3280
3281         * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3282         temporary visit flags on CASE_LABEL_EXPRs.
3283         * c-common.c (match_case_to_enum): Add function comment.  Avoid
3284         O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3285         (c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
3286         CASE_HIGH_SEEN for enumerated types.  If the switch expression is
3287         a constant, only warn if that constant value isn't handled.
3288
3289 2006-08-26  Joseph S. Myers  <joseph@codesourcery.com>
3290
3291         PR c++/24009
3292         * input.h (restore_input_file_stack): Declare.
3293         (INPUT_FILE_STACK_BITS): Define.
3294         * toplev.c (fs_p, input_file_stack_history,
3295         input_file_stack_restored, restore_input_file_stack): New.
3296         (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3297         overflowing INPUT_FILE_STACK_BITS bits.  Save new state of stack.
3298         (pop_srcloc): Don't free old state of stack.
3299
3300 2006-08-26  David Edelsohn  <edelsohn@gnu.org>
3301
3302         PR target/27544
3303         * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3304         (PowerPC Type Attributes): New.
3305
3306 2006-08-26  Bob Wilson  <bob.wilson@acm.org>
3307
3308         * config/xtensa/xtensa.c (function_arg_boundary): New.
3309         (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3310         STACK_BOUNDARY.
3311         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3312         function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3313
3314 2006-08-26  Jakub Jelinek  <jakub@redhat.com>
3315
3316         PR middle-end/28683
3317         * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3318         3 following insns.
3319
3320 2006-08-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3321
3322         * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3323         (verify_local_live_at_start): Likewise.
3324
3325 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
3326
3327         PR c/27893
3328         * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3329         omp_add_variable): Treat sizes as variable whenever not
3330         INTEGER_CST.
3331
3332 2006-08-26  Richard Guenther  <rguenther@suse.de>
3333
3334         PR middle-end/28814
3335         * fold-const.c (fold_binary): Fold temporary to correct
3336         type before constructing new comparison.
3337
3338 2006-08-25  Fariborz Jahanian  <fjahanian@apple.com>
3339
3340         PR c/28418
3341         * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3342         variable again if DECL_SEEN_IN_BIND_EXPR_P.
3343
3344 2006-08-25  Joseph S. Myers  <joseph@codesourcery.com>
3345
3346         PR c/28299
3347         * c-decl.c (start_function): Don't try to process prototype
3348         information from old declaration that isn't a function.
3349
3350 2006-08-25  Jan Hubicka  <jh@suse.cz>
3351
3352         PR target/28621
3353         * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3354
3355 2006-08-25  Alan Modra  <amodra@bigpond.net.au>
3356
3357         PR target/27075
3358         * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3359         for 8 byte objects.
3360
3361 2006-08-25  J"orn Rennecke  <joern.rennecke@st.com>
3362
3363         PR tree-optimization/16876
3364         * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3365         exit if PARM doesn't match VALUE.
3366
3367 2006-08-25  Bob Wilson  <bob.wilson@acm.org>
3368
3369         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3370         literal_prefix directive.
3371         (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3372         * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3373         * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3374
3375 2006-08-25  David Edelsohn  <edelsohn@gnu.org>
3376
3377         PR target/28753
3378         * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3379         predicate to general_operand.  Add 0->y and I->r alternatives.
3380
3381 2006-08-25  Kazu Hirata  <kazu@codesourcery.com>
3382
3383         * doc/tm.texi: Fix a typo.
3384         * predict.c: Fix comment typos.
3385
3386 2006-08-25  Nick Clifton  <nickc@redhat.com>
3387
3388         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3389         assertions of "cpu" and "machine".
3390
3391 2006-08-24  Andrew Pinski  <pinskia@physics.uc.edu>
3392
3393         PR tree-opt/28807
3394         * tree-ssa-operands.c (access_can_touch_variable): Don't say
3395         the access through a base which has an alias set of 0 cannot
3396         touch the variable.
3397
3398 2006-08-24  Bill Wendling  <wendling@apple.com>
3399
3400         * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3401
3402 2006-08-24  Jan Hubicka  <jh@suse.cz>
3403
3404         * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3405
3406 2006-08-24  Jan Hubicka  <jh@suse.cz>
3407
3408         PR debug/26881
3409         * cgraph.c: Fix comments.
3410         (cgraph_varpool_mark_needed_node): Mark only variables not already
3411         output to file.
3412         * cgraphunit.c: Update comments; include gt-cgraphunit.h
3413         (cgraph_varpool_assembled_nodes_queue): New static variable.
3414         (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3415         (cgraph_varpool_output_debug_info): New function.
3416         (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3417         * Makefile.in: Add gt-cgraphunit.h
3418
3419 2006-08-24  Jan Hubicka  <jh@suse.cz>
3420
3421         * predict.c (probability_reliable_p): New predicate.
3422         (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3423         (predict_loops): Do not predict loop exit with less than 2%
3424         probability.
3425         * basic-block.h (edge_probability_reliable_p,
3426         br_prob_note_reliable_p): Declare.
3427         * ia64.h (ia64_print_operand): Do not disable on-chip branch
3428         prediction when static predictor is not reliable.
3429         * rs6000.c (output_cbranch): Likewise.
3430
3431 2006-08-23  Stuart Hastings  <stuart@apple.com>
3432
3433         PR 28825
3434         * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3435         ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3436
3437 2006-08-21  Geoffrey Keating  <geoffk@apple.com>
3438
3439         PR debug/28692
3440         * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3441         complex values, nor for generic vector values.
3442
3443 2006-08-22  Richard Guenther  <rguenther@suse.de>
3444
3445         PR middle-end/28776
3446         * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3447         parameter.  Convert arguments to arithmetic expression to the
3448         chrecs type.
3449         (analyze_scalar_evolution_1): Adjust caller.
3450
3451 2006-08-22  Jan Hubicka  <jh@suse.cz>
3452
3453         Patch by Paolo Bonzini
3454         * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3455         my previous patch.
3456
3457 2006-08-22  Daniel Berlin  <dberlin@dberlin.org>
3458
3459         PR tree-optimization/28003
3460         * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3461         before grouping aliases.
3462
3463 2006-08-22  Roger Sayle  <roger@eyesopen.com>
3464
3465         * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3466         if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3467
3468 2006-08-21  Jason Merrill  <jason@redhat.com>
3469
3470         PR c++/27115
3471         * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3472         wrapper.  Loop to handle nested wrappers.
3473         (gimplify_bind_expr): Remove temp parameter.
3474         (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3475         and STATEMENT_LIST on the rhs.
3476         (gimplify_statement_list): Voidify the STATEMENT_LIST.
3477         (gimplify_expr): Pass pre_p to gimplify_statement_list.
3478         (gimplify_target_expr): Remove special BIND_EXPR handling.
3479
3480 2006-08-21  J"orn Rennecke  <joern.rennecke@st.com>
3481
3482         * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3483         #if !__SHMEDIA__ .
3484
3485 2006-08-21  Olivier Hainque  <hainque@adacore.com>
3486
3487         * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3488         Arrange for the temporary captures of components overlapping the lhs
3489         to happen before the lhs is possibly cleared.
3490
3491 2006-08-21  Mark Shinwell  <shinwell@codesourcery.com>
3492
3493         * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3494         necessary places to pass the correct "number of registers" values
3495         to _Unwind_VRS_Pop.
3496
3497 2006-08-20  Jan Hubicka  <jh@suse.cz>
3498
3499         * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3500         (create_name_tags): Instead of quadratic checking use hashtable.
3501         * bitmap.h: Include hashtab.h.
3502         (bitmap_hash): Declare.
3503         * bitmap.c (bitmap_hash): New function.
3504
3505 2006-08-20  Jan Hubicka  <jh@suse.cz>
3506
3507         PR rtl-optimization/28071
3508         * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3509         twice.
3510         * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3511         * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3512         (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3513         cgraph_decide_inlining_incrementally): Update use of
3514         cgraph_check_inline_limits.
3515         * cgraph.c (edge_hash, edge_eq): New function.
3516         (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3517         cgraph_edge_remove_caller, cgraph_node_remove_callees,
3518         cgraph_remove_node): Maintain call site hash.
3519         * cgraph.h (struct cgraph_node): Add call_site_hash.
3520         (cgraph_set_call_stmt): New function.
3521
3522 2006-08-20  Jan Hubicka  <jh@suse.cz>
3523
3524         PR rtl-optimization/28071
3525         * reload1.c (reg_has_output_reload): Turn into regset.
3526         (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3527         choose_reload_regs, emit_reload_insns): Update to new
3528         reg_has_output_reload.
3529
3530 2006-08-20  Jan Hubicka  <jh@suse.cz>
3531
3532         PR middle-end/28779
3533         * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3534         function body sizes.
3535         * cgraphunit.c (cgraph_analyze_function): Don't do so.
3536
3537 2006-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3538
3539         PR target/28648 c:
3540         * tree.c (handle_dll_attribute): Return early if not a
3541         var or function decl.
3542
3543 2006-08-18  Joseph Myers  <joseph@codesourcery.com>
3544
3545         PR target/27565
3546         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3547         alignment of SPE vector types.
3548
3549 2006-08-18  Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
3550
3551         * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3552
3553 2006-08-17  Jakub Jelinek  <jakub@redhat.com>
3554
3555         PR c/28744
3556         * cgraph.h (struct cgraph_node): Remove externally_visible
3557         bitfield.
3558         * cgraphunit.c (process_function_and_variable_attributes): Set
3559         local.externally_visible rather than externally_visible.
3560
3561         PR c/28744
3562         * c-common.c (handle_externally_visible_attribute): First look
3563         at TREE_CODE and only if it is function or var decl, check for
3564         non-public objects.  Don't warn for DECL_EXTERNAL.
3565         * cgraphunit.c (process_function_and_variable_attributes): Warn
3566         if externally_visible attribute is used on non-public object.
3567
3568 2006-08-17  Jan Hubicka  <jh@suse.cz>
3569
3570         PR tree-optimization/27865
3571         * reload1.c (forget_marked_reloads): New function.
3572         (forget_old_reloads_1): When data are passed, just mark the registers
3573         for later removal.
3574         (reload_as_needed): Use the new mechanizm.
3575
3576 2006-08-17  Alexandre Oliva  <aoliva@redhat.com>
3577
3578         PR target/28146
3579         * reload.h (reg_equiv_alt_mem_list): New declaration.
3580         * reload1.c (reg_equiv_alt_mem_list): New definition.
3581         (reload): Initialize it and release it.
3582         (delete_output_reload): Use it.
3583         * reload.c (push_reg_equiv_alt_mem): New function.
3584         (find_reloads_toplev): Call it.
3585         (find_reloads_address, find_reloads_address_1): Likewise.
3586         (find_reloads_subreg_address): Likewise.
3587
3588 2006-08-17  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3589
3590         PR rtl-optimization/28489
3591         * sched-ebb.c (begin_schedule_ready): Create basic block
3592         at the right place.
3593         (advance_target_bb): Skip empty blocks.
3594         * haifa-sched.c (bb_note): Make global.
3595         * sched-int.h (bb_note): Add prototype.
3596
3597 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3598
3599         PR tree-optimization/27865
3600         * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3601         for pointer types.
3602         * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3603         fold_used_pointer, pointer_used_p): New functions.
3604         (analyze_scalar_evolution_1): Use fold_used_pointer.
3605         * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3606         * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3607         for pointers.
3608
3609 2006-08-17  Paolo Bonzini <bonzini@gnu.org>
3610
3611         PR c++/28573
3612         * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3613         or the INTEGER_CST.  Fail on a CALL_EXPR.
3614         (fold_offsetof): Pass new argument to fold_offsetof_1.
3615         * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3616         operand into an INDIRECT_REF.
3617         * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3618
3619 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3620
3621         PR gcov/profile/26570
3622         * value-prof.c (static_values): Removed.
3623         (tree_find_values_to_profile): Do not set static_values.
3624         (find_values_to_profile): Do not free static_values.
3625         * profile.c (instrument_values): Do not free the values.
3626         (branch_prob): Free the values.
3627
3628 2006-08-16  Naveen.H.S  <naveenh@kpitcummins.com>
3629
3630         * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3631
3632 2006-08-16  Joseph S. Myers  <joseph@codesourcery.com>
3633
3634         PR c/27697
3635         * c-typeck.c (build_component_ref): Combine qualifiers of
3636         structure or union and field.
3637
3638 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3639
3640         PR rtl-optimization/28071
3641         * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3642         * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3643         * tree-into-ssa.c (struct dom_dfsnum): New.
3644         (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3645         functions.
3646         (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3647         compute_global_livein.
3648         (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3649         in phi nodes in the correct blocks.
3650
3651 2006-08-16  Zdenek Dvorak <dvorakz@suse.cz>
3652
3653         PR tree-optimization/28364
3654         * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3655         correctly.
3656         (fold_affine_expr): New function.
3657         (may_eliminate_iv): Use fold_affine_expr.
3658
3659 2006-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3660
3661         PR c/27489
3662         * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3663         Clean up.
3664
3665 2006-08-16  Mike Stump  <mrs@apple.com>
3666
3667         * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3668         * doc/cppopts.texi (-MD): Likewise.
3669
3670 2006-08-15  Danny Smith  <dannysmith@users.sourceforge.net>
3671
3672         PR c/28287
3673         * c-common.c (handle_weak_attribute): Ignore and warn if
3674         not a FUNCTION_ or VAR_DECL.
3675
3676 2006-07-15  Mike Stump  <mrs@apple.com>
3677
3678         PR c/28280
3679         * c-parser.c (c_parser_typeof_specifier): Don't use
3680         c_finish_expr_stmt, open code desired semantics instead.
3681
3682 2006-08-15  Nick Clifton  <nickc@redhat.com>
3683
3684         * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3685         fragment to tmake_file only if threads are enabled.
3686         * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3687         * config/i386/t-gthr-win32: New file. ... here.
3688
3689 2006-08-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3690
3691         PR c/28649
3692         * c-parser.c (c_parser_compound_statement_nostart): Reset
3693         parser->error after each statement.
3694
3695 2006-08-15  Jakub Jelinek  <jakub@redhat.com>
3696
3697         PR middle-end/28713
3698         * omp-low.c (lower_omp_parallel): Convert t to
3699         receiver_decl's type.
3700         (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3701         source before comparison.
3702
3703         PR middle-end/28724
3704         * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3705         to itype in assignment to oldival2.
3706
3707 2006-07-14  Andrew Pinski  <pinksia@physics.uc.edu>
3708
3709         PR c/27490
3710         PR c/27489
3711         * c-typeck.c (build_compound_expr): If the second expression
3712         is an error mark, then just return an error mark instead of
3713         creating a COMPOUND_EXPR.
3714
3715 2006-07-14  Mike Stump  <mrs@apple.com>
3716
3717         * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3718
3719 2006-08-14  Kazu Hirata  <kazu@codesourcery.com>
3720
3721         * c-decl.c, var-tracking.c: Fix comment typos.
3722
3723 2006-08-14  Richard Sandiford  <richard@codesourcery.com>
3724
3725         PR rtl-optimization/28634
3726         * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3727         for floating-point modes unless flag_unsafe_math_optimizations.
3728
3729 2006-08-13  Alexandre Oliva  <aoliva@redhat.com>
3730             Andrew Pinski  <pinskia@physics.uc.edu>
3731
3732         PR c/27184
3733         * tree.c (build_array_type): Unify array types with
3734         unspecified index_type.
3735         * c-decl.c (grokdeclarator): Make sure we do not modify a
3736         unified incomplete array type.
3737         * c-typeck.c (store_init_value): Create distinct type before
3738         filling in the index type in an initializer from a compound
3739         literal.
3740
3741         * c-decl.c (grokdeclarator): Remove code where we copy the
3742         array type over.
3743
3744 2006-08-13  Andrew Pinski  <pinskia@physics.uc.edu>
3745
3746         * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3747         into account for TODO_dump_cgraph.
3748         (TODO_update_ssa_no_phi): Likewise.
3749         (TODO_update_ssa_full_phi): Likewise.
3750         (TODO_update_ssa_only_virtuals): Likewise.
3751         (TODO_remove_unused_locals): Likewise.
3752         (TODO_set_props): Likewise.
3753         (TODO_update_stmt_usage): Likewise.
3754
3755 2006-08-13  Dirk Mueller  <dmueller@suse.de>
3756
3757         * c-common.c (strict_aliasing_warning): Fix formatting.
3758
3759 2006-08-13  Matthias Klose  <doko@debian.org>
3760
3761         * doc/invoke.texi: Fix spelling errors.
3762
3763 2006-08-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
3764
3765         PR rtl-optimization/23454
3766         * reorg.c (relax_delay_slots): Update comment.
3767
3768 2006-08-11  Richard Guenther  <rguenther@suse.de>
3769
3770         PR middle-end/28651
3771         * simplify-rtx.c (simplify_const_relational_operation):
3772         Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3773         codes.
3774
3775 2006-08-10  Eric Botcazou  <ebotcazou@adacore.com>
3776
3777         * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3778         TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3779
3780 2006-08-10  Paul Brook  <paul@codesourcery.com>
3781
3782         * final.c (final_scan_insn): Clear current_insn_predicate before
3783         outputting inline asm.
3784
3785 2006-08-10  Dorit Nuzman  <dorit@il.ibm.com>
3786
3787         PR tree-optimization/26197
3788         * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3789         get_ref_base_and_extent and overlap_subvar to add only relevant
3790         subvars as may-aliases.
3791         (add_may_alias_for_new_tag): New function, factored out of
3792         new_type_alias.
3793         * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3794         with additional argument.
3795         * tree-flow.h (new_type_alias): Takes additional argument.
3796
3797 2006-08-09  Nathan Sidwell  <nathan@codesourcery.com>
3798
3799         * gcov.c (no_data_file): New flag.
3800         (read_count_file): Set it if data file not present.  Assume counts
3801         zero if not found.
3802         (output_lines): Don't name the data file, if there wasn't one.
3803
3804 2006-08-09  Eric Botcazou  <ebotcazou@adacore.com>
3805
3806         * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3807         (rs6000_generate_compare): Tweak comments.
3808         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3809
3810 2006-08-09  Alexandre Oliva  <aoliva@redhat.com>
3811
3812         * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3813         (var_debug_decl): New function.
3814         (var_reg_set): Follow debug decl link.  Add location even if
3815         reg is already known to hold some other variable.
3816         (var_mem_set): Follow debug decl link.
3817         (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3818         decl link.  Delete other known locations of the variable part
3819         if requested.
3820         (var_reg_delete, var_mem_delete): Delete other known locations
3821         of the variable part if requested.
3822         (same_variable_part_p): New function.
3823         (add_stores): Select MO_COPY when appropriate.
3824         (vt_initialize): Handle it.
3825         (compute_bb_dataflow, emit_notes_in_bb): Likewise.  Delete
3826         known locations for MO_SET and MO_CLOBBER.
3827         (find_variable_location_part): New function.
3828         (set_variable_part, delete_variable_part): Use it.
3829         (clobber_variable_part): New function.
3830         * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3831         decl link.
3832
3833 2006-08-07  Victor Kaplansky <victork@il.ibm.com>
3834
3835         PR tree-optimization/26969
3836         * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3837         with an empty list of PHIs.
3838
3839 2006-08-06  Paolo Bonzini  <bonzini@gnu.org>
3840
3841         PR target/27827
3842
3843         * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3844         instructions.
3845
3846 2006-08-06  Andreas Schwab  <schwab@suse.de>
3847
3848         * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3849         string.  Whitespace and comment fixup.
3850
3851 2006-08-05  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3852
3853         PR c/28502
3854         * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3855         argument.
3856
3857         PR c/27721
3858         * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3859
3860         PR c/28136
3861         * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3862
3863 2006-08-04  Jan Hubicka  <jh@suse.cz>
3864
3865         PR target/26655
3866         PR target/28270
3867         * reload.c (push_reload): Patch out the mismatching instruction;
3868         return early.
3869         (find_reload): Bail out if the instruction was patched out.
3870
3871 2006-08-04  Jan Hubicka  <jh@suse.cz>
3872
3873         PR tree-optimization/24888
3874         * tree-inline.c (expand_call_inline): Do not re-record variables.
3875         (declare_inline_vars): Add variable to unexpanded_var_list.
3876
3877 2006-08-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3878             Roger Sayle  <roger@eyesopen.com>
3879
3880         PR rtl-optimization/26244
3881         * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3882         inner_const are negative or greater than or equal to the bitsize of
3883         MODE.  If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3884         Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3885         Simplify complicated if statement.  For ASHIFT and LSHIFTRT, return
3886         CONST0_RTX (mode) when the new shift count is greater than or equal to
3887         to the bitsize of the object being shifted and XEXP (y, 0) has no side
3888         effects.
3889
3890 2006-08-04  Kazu Hirata  <kazu@codesourcery.com>
3891
3892         * tree-cfg.c: Fix a comment typo.
3893
3894 2006-08-03  Mark Mitchell  <mark@codesourcery.com>
3895
3896         PR c++/28148
3897         * varasm.c (output_constant): Give the front end another chance to
3898         expand constants, after stripping NOPs.
3899
3900 2006-08-03  Jan Hubicka  <jh@suse.cz>
3901
3902         * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3903         implementation.
3904
3905 2006-08-03  Dorit Nuzman  <dorit@il.ibm.com>
3906
3907         PR tree-optimization/27770
3908         * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3909         declaration removed (moved to tree-flow.h).
3910         (vect_can_force_dr_alignment_p): Likewise.
3911         * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3912         (moved from tree-vectorizer.h).
3913         (vect_can_force_dr_alignment_p): Likewise.
3914         * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3915         from outside the vectorizer - in particular from cgraph stage.
3916         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3917         the alignment of global arrays when -fsection-anchors is enabled.
3918         * cgraphunit.c (cgraph_increase_alignment): New function.
3919         (cgraph_optimize): Call cgraph_increase_alignment.
3920
3921 2006-08-03  David Edelsohn  <edelsohn@gnu.org>
3922
3923         PR target/27566
3924         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3925         not reload a SPE symbol_ref into a lo_sum address.
3926
3927 2006-08-02  Daniel Jacobowitz  <dan@codesourcery.com>
3928
3929         PR debug/28063
3930         * dwarf2out.c (prune_unused_types_prune): Move call to
3931         prune_unused_types_update_strings to cover the parent DIE also.
3932
3933 2006-08-02  Jan Hubicka  <jh@suse.cz>
3934
3935         PR gcov/profile/28480
3936         * tree-cfg.c (change_bb_for_stmt): New function.
3937         (tree_merge_blocks, tree_split_blocks): Use it.
3938
3939 2006-08-01  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3940
3941         PR c++/28250
3942         PR c++/28257
3943         PR c++/28259
3944         PR c++/28267
3945         * toplev.c (compile_file): Return early on errorcount or sorrycount.
3946         * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3947         (cgraph_optimize): Likewise.
3948
3949 2006-08-01  Stuart Hastings  <stuart@apple.com>
3950
3951         * rtl.h (UINTVAL) New.
3952         * config/rs6000/rs6000.c (SMALL_INT) Use it.
3953         * testsuite/gcc.dg/20060801-1.c: New.
3954
3955 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
3956
3957         PR debug/23336
3958         * c-typeck.c (build_external_type): Mark used enum types.
3959         * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3960         cfun also.
3961         (gen_subprogram_die): Whitespace fix.
3962
3963 2006-08-01  Jan Hubicka  <jh@suse.cz>
3964
3965         * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3966         bitmap when not needed.
3967         * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3968         bitmaps.
3969
3970 2006-08-01  Dirk Mueller  <dmueller@suse.de>
3971
3972         * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3973
3974 2006-07-31  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3975
3976         * Makefile.in: Revert part of previous patch:
3977         Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3978         and REGS_H.
3979
3980 2006-07-30  Eric Christopher  <echristo@apple.com>
3981
3982         PR target/27543
3983         * doc/extend.texi (i386 Variable Attributes): Add anchor.
3984         (PowerPC Variable Attributes): New section.
3985
3986 2006-07-30  Atsushi Nemoto  <anemo@mba.ocn.ne.jp>
3987
3988         PR target/28126 (partial fix)
3989         * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3990
3991 2006-07-28  Jan Hubicka  <jh@suse.cz>
3992
3993         PR rtl-optimization/28071
3994         * cfgrtl.c (rtl_delete_block): Free regsets.
3995         * flow.c (allocate_bb_life_data): Re-use regsets if available.
3996
3997 2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3998
3999         * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4000         and variables used in dependencies.
4001
4002 2006-07-27  Arjan van de Ven <arjan@linux.intel.com>
4003
4004         * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4005         %fs for -mcmodel=kernel.
4006         (stack_tls_protect_test_di): Likewise.
4007
4008 2006-07-27  Carlos O'Donell  <carlos@codesourcery.com>
4009
4010         * Makefile.in: Use mkinstalldirs.
4011
4012 2006-07-27  H.J. Lu  <hongjiu.lu@intel.com>
4013
4014         PR driver/28437
4015         * opts-common.c (prune_options): Skip joined switches.
4016
4017 2006-07-27  Jan Hubicka  <jh@suse.cz>
4018
4019         PR rtl-optimization/28071
4020         * cselib.c (cselib_process_insn): Don't remove useless values too
4021         often for very large hashtables.
4022
4023 2006-07-27  Jan Hubicka  <jh@suse.cz>
4024
4025         PR rtl-optimization/28071
4026         * global.c (greg_obstack): New obstack.
4027         (allocate_bb_info): Use it.
4028         (free_bb_info): Likewise.
4029         (modify_reg_pav): Likewise.
4030
4031 2006-07-27  Roger Sayle  <roger@eyesopen.com>
4032
4033         * builtins.c (fold_fixed_mathfn): When long and long long are the
4034         same size, canonicalize llceil*, llfloor*, llround* and llrint*
4035         functions to their lceil*, lfloor*, lround* and lrint* forms.
4036
4037 2006-07-27  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4038
4039         PR gcc/28508
4040         * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4041         branch.
4042         (rev_branch_insn): Likewise.
4043
4044 2006-07-27  Jan Hubicka  <jh@suse.cz>
4045
4046         PR rtl-optimization/28071
4047         * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4048         (reg_set_in_bb, max_reg_computed): New static variables.
4049         (regmove_optimize): Free the new array.
4050         (fixup_match_1): Update call of reg_is_remote_constant_p.
4051
4052 2006-07-26  Jan Hubicka  <jh@suse.cz>
4053
4054         PR tree-optimization/27882
4055         * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4056         and decl fields.
4057         * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4058         next pointer
4059         (cgraph_analyze_compilation_unit): Likewise.
4060         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4061         * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4062         (cgraph_early_inlinine): Make order garbage collected.
4063         * Makefile.in (gt-ipa-inline): New garbagecollected file.
4064
4065 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
4066
4067         * dbxout.c (output_types_sort): Add a comment.
4068         (output_used_types): Free the VEC.
4069
4070 2006-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
4071
4072         * function.c (reorder_fix_fragments): Delete.
4073         (reorder_blocks): Don't call it.
4074         (reorder_blocks_1): Put all subblocks under the origin block.
4075
4076 2006-07-26  Zdenek Dvorak <dvorakz@suse.cz>
4077
4078         PR rtl-optimization/27907
4079         * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4080         FLOAT_TRUNCATE.
4081
4082 2006-07-25  Roger Sayle  <roger@eyesopen.com>
4083
4084         PR middle-end/28473
4085         * convert.c (convert_to_integer): When transforming (T)foo(x) into
4086         bar(x) check that bar's result type can represent all the values of T.
4087
4088 2006-07-25  Zdenek Dvorak <dvorakz@suse.cz>
4089
4090         * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4091
4092 2006-07-25  Nick Clifton  <nickc@redhat.com>
4093
4094         * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4095         size_lookup[] array.
4096         (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4097         (ggc_pch_count_object): Likewise.
4098         (ggc_pch_alloc_object): Likewise.
4099         (ggc_pch_write_object): Likewise.
4100         (init_ggc): Do not attempt to initialize entries in the
4101         size_lookup[] array for objects whose size is greater than than
4102         the length of the array.
4103
4104 2006-07-25  Daniel Jacobowitz  <dan@codesourcery.com>
4105
4106         * dbxout.c (output_used_types_helper): Push queued types
4107         on a VEC.
4108         (output_types_sort): New.
4109         (output_used_types): Collect used types on a VEC and sort them
4110         before emission.
4111
4112 2006-07-24  Richard Guenther  <rguenther@suse.de>
4113
4114         PR middle-end/28463
4115         * cgraph.c (cgraph_remove_node): Do not check if dumps
4116         are enabled.
4117         * cgraphunit.c (cgraph_optimize): Likewise.
4118
4119 2006-07-24  Jan Hubicka  <jh@suse.cz>
4120
4121         PR rtl-optimization/28071
4122         * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4123         * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4124         splitting before first stmt.
4125
4126 2006-07-24  Jan Hubicka  <jh@suse.cz>
4127
4128         PR rtl-optimization/28071
4129         * ipa-inline.c (update_caller_keys): Remove edges that
4130         are no longer inline candidates.
4131
4132 2006-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
4133
4134         PR debug/27473
4135         * dbxout.c (output_used_types_helper, output_used_types): New.
4136         (dbxout_symbol): Call output_used_types.
4137
4138 2006-07-23  Jan Hubicka  <jh@suse.cz>
4139
4140         PR c/25795
4141         PR c++/27369
4142         * cgraph.c (cgraph_varpool_nodes): Export.
4143         (decide_is_variable_needed): Ignored "used" attribute in
4144         unit-at-a-time mode.
4145         * cgraph.h (cgraph_varpool_nodes): Declare.
4146         * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4147         unit-at-a-time mode.
4148
4149 2006-07-23  Roger Sayle  <roger@eyesopen.com>
4150
4151         PR target/28247
4152         * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4153         mutex_destroy even when !_LIBOOBJC.  Remove duplicate prototype of
4154         the __gthrw form of thr_keycreate.
4155         (__gthread_key_delete): Silence the unused argument warning.
4156
4157 2006-07-23  Steven Bosscher  <steven@gcc.gnu.org>
4158
4159         PR debug/25468
4160         * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4161         Cache the last found '\0' marker to avoid quadratic behavior.
4162
4163 2006-07-23  Jan Hubicka  <jh@suse.cz>
4164
4165         * i386.md (subsi_3_zext): Fix output template.
4166
4167 2006-07-21  Mike Stump  <mrs@apple.com>
4168
4169         * doc/invoke.texi (C++ Dialect Options): Note that
4170         -fvisibility-inlines-hidden doesn't affect explicitly
4171         instantiationed inline methods.
4172
4173 2006-07-20  Roger Sayle  <roger@eyesopen.com>
4174
4175         * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4176         if the target assembler is GNU binutils' gas.
4177         * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4178         whether to pass GNU gas or native as command line options.
4179
4180 2006-07-20  Jason Merrill  <jason@redhat.com>
4181
4182         * tree.c (remove_attribute): New fn.
4183         * tree.h: Declare it.
4184
4185 2006-07-20  Paul Brook  <paul@codesourcery.com>
4186
4187         PR 27363
4188         * cse.c (cse_insn): Add destination addresses to hash table. Check if
4189         they are invalidated by this instruction.
4190
4191 2006-07-21  Danny Smith  <dannysmith@users.sourceforge.net>
4192
4193         PR target/28427
4194         * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4195
4196 2006-07-20  Eric Christopher  <echristo@apple.com>
4197
4198         PR target/26877
4199         * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4200
4201 2006-07-19  Eric Christopher  <echristo@apple.com>
4202
4203         * config/t-slibgcc-darwin (stmp-lipo): Remove.
4204         Rewrite dependencies for libgcc_s.1.dylib.
4205
4206 2006-07-19  Jakub Jelinek  <jakub@redhat.com>
4207
4208         * except.c (duplicate_eh_regions_1): Clear next_peer.
4209
4210 2006-07-17  Nathan Sidwell  <nathan@codesourcery.com>
4211
4212         * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4213         -mlongcall does not guarantee all calls will be long.
4214         * doc/extend.texi (long_call/short_call): Document that longcall
4215         does not guarantee a long call will be used.
4216         (longcall/shortcall): Likewise.
4217
4218 2006-07-18  Roger Sayle  <roger@eyesopen.com>
4219
4220         PR middle-end/28283
4221         * expmed.c (expand_shift): Additionally check that the shift_cost
4222         is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4223         before implementing a LSHIFT_EXPR as a sequence of additions.
4224         * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4225         middle-end that DImode shifts need to be synthesized by expand.
4226
4227 2006-07-18  Diego Novillo  <dnovillo@redhat.com>
4228
4229         PR 28410
4230         * tree-ssa-operands.c (access_can_touch_variable): Update
4231         comment.
4232         Return true if ALIAS is .GLOBAL_VAR.
4233
4234 2006-07-18  David Daney  <ddaney@avtrex.com>
4235
4236         * gcc.c (display_help): Fix typo in help text.
4237
4238 2006-07-18  Olivier Hainque  <hainque@adacore.com>
4239
4240         * tree.h (categorize_ctor_elements): Adjust prototype and add
4241         descriptive comment, both in accordance with the interface change
4242         described below.
4243         * varasm.c (constructor_static_from_elts_p): New function.
4244         Whether a constructor node is a valid static constant initializer
4245         if all its elements are.
4246         (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4247         * output.h: Declare it.
4248         * expr.c (categorize_ctor_elements_1): Return whether the constructor
4249         is a valid constant initializer instead of computing the number of
4250         non-constant elements.  Use constructor_static_from_elts_p for this
4251         purpose.  Replace the head comment with an indication that this is a
4252         helper for categorize_ctor_elements.
4253         (categorize_ctor_elements): Same interface change as for the _1
4254         helper.  Former head comment from this helper moved here, adjusted to
4255         account for the interface changes.
4256         (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4257         (all_zeros_p): Likewise.
4258         * gimplify.c (gimplify_init_constructor): Decide whether we can make
4259         static versions of the constructor from the categorize_ctor_elements
4260         return value instead of the formerly computed number of non-constant
4261         elements.
4262
4263 2006-07-18  Paolo Bonzini  <bonzini@gnu.org>
4264
4265         * configure: Regenerate.
4266         * Makefile.in (build_libsubdir): New configure substitution
4267         (build_libobjdir): New variable.
4268         (BUILD_LIBIBERTY): Use it.
4269
4270 2006-07-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4271
4272         PR c/28286
4273         * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4274
4275 2006-07-18  Alexandre Oliva  <aoliva@redhat.com>
4276
4277         PR c/26993
4278         * c-common.c (handle_weakref_attribute): Ignore attribute in
4279         the same conditions the alias attribute is ignored.
4280
4281 2006-07-17  Carlos O'Donell  <carlos@codesourcery.com>
4282
4283         * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4284         (dbxout_begin_prologue): Increment scope_labelno.
4285
4286 2006-07-17  Richard Henderson  <rth@redhat.com>
4287
4288         PR 27889
4289         * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4290         if needed.
4291
4292 2006-07-17  Roger Sayle  <roger@eyesopen.com>
4293             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4294
4295         * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4296         synchronizing code with config/sparc/gmon-sol2.c.  Remove #if 0
4297         blocks.  #include "tconfig.h" and "tsystem.h" to prototype system
4298         functions such as sbrk, write, etc..  Add function prototypes.
4299         Convert function declarations from K&R to ISO C.  Cast pointers
4300         to "long" and "unsigned long" instead of "int" and "unsigned int".
4301         Convert tokens following #endif into comments.
4302
4303 2006-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4304
4305         * invoke.texi: Remove mention of f77; Reformat table for
4306         inline parameter options correctly; mention that -malign-double
4307         is default on x86-64 targets.
4308
4309 2006-07-17  Zdenek Dvorak <dvorakz@suse.cz>
4310
4311         * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4312         (convert_affine_scev, chrec_convert_aggressive): Use
4313         avoid_arithmetics_in_type_p.  Do not check for the subtypes
4314         separately.
4315
4316 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
4317
4318         PR middle-end/28403
4319         * optabs.c (expand_doubleword_shift): Wrap the call to
4320         do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4321
4322 2006-07-17  Richard Sandiford  <richard@codesourcery.com>
4323
4324         PR middle-end/28402
4325         * optabs.c (expand_binop): Pass next_methods rather than methods
4326         to expand_doubleword_shift.
4327
4328 2006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
4329
4330         PR other/28251
4331         * tree.h (dump_addr): Declare.
4332         * print-tree.c (dump_addr): New function.
4333         (print_node_brief, print_node): Use it.
4334         * print-rtl.c (print_rtx): Likewise.
4335         * common.opt (-fdump-noaddr): New option.
4336         * doc/invoke.texi (-fdump-noaddr): Document.
4337         * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4338         (ve_info_hash): Likewise.
4339
4340 2006-07-13  Andrew Haley  <aph@redhat.com>
4341
4342         PR tree-optimization/19505
4343         * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4344         edge leaving this block, make sure that the destination of this
4345         block has only one predecessor.
4346
4347 2006-07-17  Richard Guenther  <rguenther@suse.de>
4348
4349         PR tree-optimization/28238
4350         * tree-inline.c (copy_bb): Check if we produced valid
4351         gimple copying and substituting a stmt.  If not, gimplify
4352         it.
4353
4354 2006-07-16  Eric Botcazou  <ebotcazou@adacore.com>
4355
4356         * optabs.c (maybe_encapsulate_block): New function extracted from...
4357         (emit_libcall_block): ...here.  Invoke it on the block of insns to
4358         maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4359         (emit_no_conflict_block): Likewise.
4360
4361 2006-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4362
4363         * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4364
4365 2006-07-15  Roger Sayle  <roger@eyesopen.com>
4366
4367         * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4368         a new NOP_EXPR case of the switch statement.
4369
4370 2006-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
4371
4372         PR middle-end/28160
4373         * stor-layout.c (place_field): Take the bit field with
4374         an excessive size into account in the ms-bitfiled case.
4375
4376         PR middle-end/28161
4377         * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4378         the previous bit field.
4379
4380 2006-07-14  Eliot Dresselhaus  <eliot@sonic.net>
4381
4382         PR target/27287
4383         * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4384
4385 2006-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4386
4387         * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4388         signal frames correctly even when the signal was installed with
4389         sa_restorer set.
4390
4391 2006-07-14  Carlos O'Donell  <carlos@codesourcery.com>
4392
4393         * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4394         (dbxout_function_end): Use local label LFBB. Remove hook
4395         DBX_OUTPUT_NFUN.
4396         (dbxout_source_line): Use local label LFBB.
4397         (dbxout_block): Likewise.
4398         (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4399         (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4400         * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4401         and DBX_OUTPUT_NFUN.
4402
4403 2006-07-13  Janis Johnson  <janis187@us.ibm.com>
4404
4405         * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4406
4407 2006-07-13  Jan Hubicka  <jh@suse.cz>
4408
4409         * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4410         align_variable.
4411         * output.h (align_variable): Declare.
4412         * varasm.c (align_variable): Export.
4413         * value-prof.c (tree_value_profile_transformations): Recompute iterator
4414         when basic block changed.
4415
4416 2006-07-13  Nick Clifton  <nickc@redhat.com>
4417
4418         * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4419         walking the LOG_LINKS chain.
4420
4421 2006-07-12  Geoffrey Keating  <geoffk@apple.com>
4422
4423         * doc/invoke.texi (C++ Dialect Options): Explain difference
4424         between -fvisibility-inlines-hidden and setting hidden
4425         visibility explicitly.
4426
4427 2006-07-12  Eric Christopher  <echristo@apple.com>
4428
4429         * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4430         (stmp-lipo): Depend on libgcc.a.
4431
4432 2006-07-12  Kazu Hirata  <kazu@codesourcery.com>
4433
4434         * tree.c: Fix a comment typo.
4435
4436 2006-07-12  Naveen.H.S  <naveenh@kpitcummins.com>
4437
4438         * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4439         dest.
4440         (umulhisi3_r): Likewise.
4441
4442 2006-07-12  Paolo Carlini  <pcarlini@suse.de>
4443
4444         PR libstdc++/27878
4445         * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4446         x < 19, vs wchar_t support.
4447
4448 2006-07-12  Nick Clifton  <nickc@redhat.com>
4449
4450         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4451         instead of -isa=sh4.
4452
4453 2006-07-12  Mike Stump  <mrs@apple.com>
4454
4455         * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4456
4457 2006-07-10  Eric Christopher  <echristo@apple.com>
4458
4459         * config/t-slibgcc-darwin: Rewrite.
4460
4461 2006-07-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4462
4463         PR bootstrap/20437
4464         * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4465         dependencies.
4466
4467 2006-07-08  Matthias Klose  <doko@debian.org>
4468
4469         * doc/sourcebuild.texi: Fix typo.
4470
4471 2006-07-07  Mike Stump  <mrs@apple.com>
4472
4473         * toplev.c (process_options): Don't give -ffunction-sections may
4474         affect debugging warning for Mach-O.
4475
4476 2006-07-07  James E Wilson  <wilson@specifix.com>
4477
4478         * config/mips/mips.md (cpu): Add sb1a.
4479         * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4480         addition to sb1.  Adjust comments to clarify SB-1A differences from
4481         SB-1.
4482         (ir_sb1a_load): New.  Modify bypasses to use it.
4483         (ir_sb1a_simple_alu): Likewise.
4484         * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4485         (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4486         (mips_issue_rate): Add PROCESSOR_SB1A.
4487         (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4488         * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4489         (TARGET_SB1): Add PROCESSOR_SB1A check.
4490         (TUNE_SB1): Likewise.
4491
4492         * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4493         * config/mips/mips.c (mips_store_data_bypass_p): New.
4494         * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4495         store_data_bypass_p.
4496
4497 2006-07-08  Paul Brook  <paul@codesourcery.com>
4498
4499         PR target/27991
4500         * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4501
4502 2006-07-07   Richard Guenther  <rguenther@suse.de>
4503
4504         PR middle-end/28268
4505         * tree.h (build_one_cst): Declare.
4506         * tree.c (build_one_cst): New function.
4507         * tree-ssa-math-opts.c (get_constant_one): Remove.
4508         (insert_reciprocals): Use build_one_cst.
4509         * fold-const.c (fold_plusminus_mult): Likewise.
4510
4511 2006-07-07  Roger Sayle  <roger@eyesopen.com>
4512
4513         * pointer-set.c (pointer_set_destroy): Correct whitespace.
4514         * cfgloopanal.c (dump_graph): Likewise.
4515         * dojump.c (discard_pending_stack_adjust): Likewise.
4516         * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4517         Likewise.
4518         * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4519         * function.c (finalize_block_changes): Likewise.
4520         * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4521         * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4522         * rtl.c (dump_rtx_statistics): Likewise.
4523         * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4524         Likewise.
4525         * varray.c (dump_varray_statistics): Likewise.
4526         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4527         decode_decimal64, encode_decimal128, decode_decimal128,
4528         decimal_real_to_decimal): Likewise.
4529
4530 2006-07-07  Richard Guenther  <rguenther@suse.de>
4531
4532         PR tree-optimization/28187
4533         * tree-vrp.c (vrp_operand_equal_p): New function.
4534         (vrp_bitmap_equal_p): Likewise.
4535         (update_value_range): Use them to compare old and new
4536         max and min values.
4537
4538 2006-07-06  Roger Sayle  <roger@eyesopen.com>
4539
4540         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4541         a default case to switch statement to silence compiler warnings.
4542
4543 2006-07-06  Roger Sayle  <roger@eyesopen.com>
4544
4545         PR target/27968
4546         * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4547         the configured assembler supports the x87's ffreep mnemonic.
4548         * configure: Regenerate.
4549         * config.in: Regenerate.
4550
4551         * config/i386/i386.c (output_387_ffreep): New function.
4552         (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4553         (output_387_reg_move): Likewise.
4554
4555 2006-07-06  Paul Eggert  <eggert@cs.ucla.edu>
4556
4557         Port to hosts whose 'sort' and 'tail' implementations
4558         treat operands with leading '+' as file names, as POSIX
4559         has required since 2001.  However, make sure the code still
4560         works on pre-POSIX hosts.
4561         * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4562         which says you should use "tail -c +N" rather than "tail +Nc".
4563         Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4564
4565 2006-07-06  Zdenek Dvorak <dvorakz@suse.cz>
4566
4567         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4568         argument name.
4569
4570 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
4571
4572         PR target/28150
4573         * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4574         PRE_{INC,DEC} of TFmode.
4575
4576 2006-07-06  David Edelsohn  <edelsohn@gnu.org>
4577             Alan Modra  <amodra@bigpond.net.au>
4578
4579         PR target/28170
4580         * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4581         bounds. Simplify.
4582
4583 2006-07-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4584
4585         PR target/28285
4586         * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4587         Remove duplicate gtu.
4588
4589 2006-07-05  Jason Merrill  <jason@redhat.com>
4590
4591         PR c++/13983
4592         PR c++/17519
4593         * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4594         * c-common.c (handle_packed_attribute): So don't copy it here.
4595         * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4596
4597 2006-07-05  Mike Stump  <mrs@apple.com>
4598
4599         * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4600
4601 2006-07-05  H.J. Lu  <hongjiu.lu@intel.com>
4602
4603         PR target/26146
4604         * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4605
4606 2006-07-05  Richard Guenther  <rguenther@suse.de>
4607
4608         PR target/28158
4609         * config/i386/i386.md (*negdf2_1): Restrict pattern to
4610         TARGET_SSE2 targets if using SSE math.
4611         (*absdf2_1): Likewise.
4612
4613 2006-07-05  Richard Guenther  <rguenther@suse.de>
4614
4615         PR tree-optimization/28162
4616         * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4617         make sure to convert the operands to the correct type.
4618
4619 2006-07-04  Paolo Bonzini  <bonzini@gnu.org>
4620
4621         PR tree-optimization/28218
4622
4623         * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4624         to calculate and free the dominator information.
4625
4626 2006-07-04  Peter O'Gorman  <peter@pogma.com>
4627
4628         * mklibgcc.in: chmod 644 before ranlib during install.
4629
4630 2006-07-04  Andrew Stubbs <andrew.stubbs@st.com>
4631             J"orn Rennecke <joern.rennecke@st.com>
4632
4633         * configure.ac (.eh_frame data check): Use diff -b.
4634
4635 2006-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4636
4637         PR bootstrap/18058
4638         * Makefile.in (BUILD_RTL): Add build/vec.o.
4639         (build/gencondmd.o): Filter out -fkeep-inline-functions.
4640         (build/genextract): Delete.
4641         (build/genautomata): Likewise.
4642
4643 2006-07-04  Alan Modra  <amodra@bigpond.net.au>
4644
4645         PR target/28207
4646         * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4647         128-bit IBM long doubles for ABI_V4.
4648
4649 2006-07-03  Eric Botcazou  <ebotcazou@adacore.com>
4650
4651         * tree.c (range_in_array_bounds_p): New predicate.
4652         * tree.h (range_in_array_bounds_p): Declare it.
4653         * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4654         return a less conservative answer.
4655         * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4656         and flag 'is_group'.
4657         (IS_ELEMENT_FOR_GROUP): New macro.
4658         (FOR_EACH_ACTUAL_CHILD): Likewise.
4659         (next_child_for_group): New helper function.
4660         (can_completely_scalarize_p): Take into account groups.
4661         (sra_hash_tree): Handle RANGE_EXPR.
4662         (sra_elt_eq): Likewise.
4663         (lookup_element): Be prepared for handling groups.
4664         (is_valid_const_index): Delete.
4665         (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4666         instead of is_valid_const_index.
4667         <ARRAY_RANGE_REF>: New case.
4668         (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4669         is_valid_const_index.
4670         <ARRAY_RANGE_REF>: Do not unconditionally punt.
4671         (scan_dump): Dump info for groups too.
4672         (decide_instantiation_1): Likewise.
4673         (decide_block_copy): Assert that the element is not a group.
4674         Propagate decision to groups.
4675         (generate_one_element_ref): Handle RANGE_EXPR.
4676         (mark_no_warning): Iterate over actual childs.
4677         (generate_copy_inout): Likewise.
4678         (generate_element_copy): Likewise.
4679         (generate_element_zero): Likewise.
4680         (generate_element_init_1): Likewise.
4681         (dump_sra_elt_name): Handle RANGE_EXPR.
4682
4683 2006-07-03  Roger Sayle  <roger@eyesopen.com>
4684
4685         PR tree-optimization/26251
4686         * tree-ssa-threadupdate.c (redirection_block_p): New function.
4687         (thread_block): When optimizing for size refuse to thread jumps
4688         that would require duplication of blocks other than redirection
4689         blocks.
4690
4691 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
4692
4693         * configure.ac: Fix thinko in previous check-in.
4694         * configure: Regenerate.
4695
4696 2006-07-03  Paolo Bonzini  <bonzini@gnu.org>
4697
4698         PR other/27063
4699         * configure.ac (for lang...): Simplify nesting of conditionals.
4700         Test subdir_requires for non-enabled languages.  Move processing
4701         of lang_opt_files and lang_tree_fiels below that test.
4702         * configure: Regenerate.
4703         * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4704
4705 2006-07-01  Martin Michlmayr  <tbm@cyrius.com>
4706
4707         * doc/gcov.texi (Invoking Gcov): Add a missing word.
4708
4709 2006-06-30  Kazu Hirata  <kazu@codesourcery.com>
4710
4711         * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4712         comment typos.
4713
4714 2006-06-29  Jason Merrill  <jason@redhat.com>
4715
4716         PR c++/26905
4717         PR c++/26612
4718         PR c++/27000
4719         PR c++/26984
4720         PR c++/19134
4721         * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4722         * c-common.c (c_determine_visibility): Handle it here.
4723         * c-decl.c (finish_decl): Call c_determine_visibility for
4724         functions, too.
4725         * flags.h (enum symbol_visibility): Sort from most to least visibility.
4726         * tree.h: Likewise.
4727         * varasm.c (default_assemble_visibility): Likewise.
4728         * c-common.c (handle_visibility_attribute): Complain about trying
4729         to give visibility to an already defined class, or trying to change
4730         declared visibility. Always attach the attribute.
4731
4732         PR c++/26905
4733         PR c++/21675
4734         PR c++/17470
4735         * attribs.c (decl_attributes): Ignore type-in-place attributes
4736         once the type has been defined.
4737
4738 2006-06-29  Roger Sayle  <roger@eyesopen.com>
4739
4740         PR middle-end/27428
4741         * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4742         to indicate the cpplib has issued an error message for us.
4743
4744 2006-06-29  Asher Langton  <langton2@llnl.gov>
4745
4746         PR target/25765
4747         * config/i386/i386.c (ix86_output_function_epilogue): Don't
4748         insert a label at the end of an function under Mach-O.
4749
4750 2006-06-29  Eric Christopher  <echristo@apple.com>
4751             Evan Cheng  <evan.cheng@apple.com>
4752
4753         * predicates.md (vector_all_ones_operand): New.
4754         (nonimmediate_or_sse_const_operand): Ditto.
4755         * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4756         * config/i386/i386.c (standard_sse_constant_opcode): Define.
4757         (standard_sse_mode_p): Ditto.
4758         (standard_sse_constant_p): Add case for -1 vector.
4759         (ix86_expand_vector_move): Try to use.
4760         * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4761         Call standard_sse_constant_opcode.
4762         (*movv4sf_internal): Ditto.
4763         (*movv2df_internal): Ditto.
4764
4765 2006-06-29  Roger Sayle  <roger@eyesopen.com>
4766
4767         * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4768         of XEXP to extract the operands of a MATCH_CODE rtx.
4769
4770 2006-06-28  Andrew Pinski  <pinskia@gmail.com>
4771
4772         * tree.c (tree_size): Do not waste tail padding in
4773         struct tree_string and make the size be the same as
4774         build_string will generate.
4775
4776 2006-06-28  Jason Merrill  <jason@redhat.com>
4777
4778         PR c++/27768
4779         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4780         may_aliases already in the tag's annotations to the bitmap.
4781
4782 2006-06-28  Roger Sayle  <roger@eyesopen.com>
4783
4784         * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4785
4786 2006-06-28  Roger Sayle  <roger@eyesopen.com>
4787
4788         * genpreds.c (generate_switch_p): New function.
4789         (add_mode_tests): Push the new mode test down inside an AND expr
4790         if this allows the switch-suitable MATCH_CODE to be near the root.
4791         (write_match_code_switch): New function to write a MATCH_CODE as
4792         a switch statement.
4793         (write_predicate_stmts): New function to write a predicate RTX
4794         expression as a sequence of statements.
4795         (write_one_predicate_function): Use write_predicate_stmts.
4796         (write_tm_constrs_h): Likewise.
4797
4798 2006-06-26  Fred Fish  <fnf@specifix.com>
4799
4800         * config/mips/t-sb1: New file.
4801         * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4802         tmake_file list.
4803
4804 2006-06-26  DJ Delorie  <dj@redhat.com>
4805
4806         * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4807
4808 2006-06-26  Naveen H.S  <naveenh@kpitcummins.com>
4809             Jayant Sonar  <jayants@kpitcummins.com>
4810             Jaydeep Vipradas  <jaydeepv@kpitcummins.com>
4811
4812         * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4813         (subsi3, subsi3_1, subsi3_2): New.
4814         * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4815         * config/m32c/mov.md (SI mov peephole): New.
4816         * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4817         * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4818
4819 2006-06-26  Olivier Hainque  <hainque@adacore.com>
4820
4821         * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4822         a CALL_EXPR target function declaration.
4823
4824 2006-06-26  Richard Guenther  <rguenther@suse.de>
4825
4826         * tree.c (build_string): Do not waste tail padding in
4827         struct tree_string.
4828
4829 2006-06-26  Richard Guenther  <rguenther@suse.de>
4830
4831         * ggc-page.c (init_ggc): Add missing element to size_lookup
4832         table.
4833
4834         Revert
4835         2006-06-23  Richard Guenther  <rguenther@suse.de>
4836
4837         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4838         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
4839         alignment requests instead.  Add verification code.
4840         Add struct tree_function_decl and struct tree_binfo size to
4841         extra_order_size_table.  Add missing element to size_lookup
4842         table.
4843
4844 2006-06-25  Eric Botcazou  <ebotcazou@adacore.com>
4845
4846         PR middle-end/28151
4847         * fold-const.c (const_binop): Be prepared for self returning zero.
4848         Simplify code handling complex values.
4849
4850 2006-06-24  Olivier Hainque  <hainque@adacore.com>
4851
4852         * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4853         (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4854         aggregate types.
4855
4856 2006-06-24  Olivier Hainque  <hainque@adacore.com>
4857
4858         * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4859         ARRAY_REF, so have the callback called for the low bound expression.
4860
4861 2006-06-23  Janis Johnson  <janis187@us.ibm.com>
4862
4863         * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4864         * c-typeck.c (c_common_type): Disallow operations on decimal float
4865         types and other float types.
4866         * convert.c (convert_to_real): Don't ignore conversions involving
4867         decimal float types.
4868
4869 2006-06-23  Olivier Hainque  <hainque@adacore.com>
4870
4871         * tree.c (max_int_size_in_bytes): New function, inspired from
4872         code in function.c:assign_temp.
4873         * tree.h (max_int_size_in_bytes): Declare.
4874         * function.c (assign_temp): Use it.
4875         * gimplify.c (create_tmp_var): Relax the assertions on the type
4876         properties, not mandating constant size any more.
4877         (force_constant_size): New static function.
4878         (gimple_add_tmp_var): Use it, forcing variable size to a
4879         constant upper bound if it is not constant on entry.
4880
4881 2006-06-23  Danny Smith   <dannysmith@users.sourceforge.net>
4882
4883         PR target/27789
4884         * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4885         for initialization and setting of one_only flag to ...
4886         (i386_pe_encode_section_info): ...here.
4887         (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4888         Recheck that the symbol has not been defined.
4889
4890 2006-06-23  Richard Guenther  <rguenther@suse.de>
4891
4892         * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4893         sizes to MAX_ALIGNMENT.  Fix the size_lookup table to honour
4894         alignment requests instead.  Add verification code.
4895         Add struct tree_function_decl and struct tree_binfo size to
4896         extra_order_size_table.  Add missing element to size_lookup
4897         table.
4898
4899 2006-06-22  Roger Sayle  <roger@eyesopen.com>
4900             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4901
4902         PR middle-end/28131
4903         * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4904         call to lang_hooks.types.type_for_mode returned NULL_TREE.
4905
4906 2006-06-23  Ben Elliston  <bje@au.ibm.com>
4907
4908         * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4909         negate dn -- manipulate it directly.
4910
4911 2006-06-22  Roger Sayle  <roger@eyesopen.com>
4912             Steven Bosscher  <stevenb.gcc@gmail.com>
4913
4914         PR target/27531
4915         * reload1.c (gen_reload): Call mark_jump_label on the new insns
4916         generated by gen_move_insn to add REG_LABEL notes if necessary.
4917
4918 2006-06-22  Bob Wilson  <bob.wilson@acm.org>
4919
4920         * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4921         (leaf_entry): Remove use of MIN_ESA.
4922
4923 2006-06-22  Zdenek Dvorak <dvorakz@suse.cz>
4924
4925         PR rtl-optimization/28121
4926         * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4927         the entry edge.
4928
4929 2006-06-21  DJ Delorie  <dj@redhat.com>
4930
4931         * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4932         (TN-16C-A156A/E).
4933         (mulhisi3_r): Likewise.
4934
4935 2006-06-21  Richard Sandiford  <richard@codesourcery.com>
4936
4937         PR middle-end/28034
4938         * coverage.c (coverage_counter_alloc): Leave the index type
4939         unspecified.
4940         (coverage_counter_alloc): Use null arguments for operands 2 and 3
4941         of the ARRAY_REF.
4942
4943 2006-06-21  Andrew Pinski  <pinskia@physics.uc.edu>
4944
4945         * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4946         section from the "Options for Code Generation Conventions".
4947
4948 2006-06-21  Richard Henderson  <rth@redhat.com>
4949
4950         PR target/26347
4951         PR target/27082
4952         * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4953         symbols.
4954         (global_symbolic_operand): Allow weak symbols, even if local_p.
4955
4956 2006-06-21  Eric Botcazou  <ebotcazou@adacore.com>
4957
4958         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4959         (find_interesting_uses_address): Punt if above function returns true.
4960
4961 2006-06-21  Richard Guenther  <rguenther@suse.de>
4962
4963         * configure: Regenerated.
4964
4965 2006-06-21  Joseph Myers  <joseph@codesourcery.com>
4966
4967         * config/mips/mips.c (function_arg): Where one part of a
4968         complex argument is in registers and the other part in the stack,
4969         return a REG not a PARALLEL.
4970
4971 2006-06-21  Mark Mitchell  <mark@codesourcery.com>
4972
4973         * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4974         when cross-compiling.  Do not substitute libstdcxx_incdir.
4975         * configure: Regenerated.
4976
4977 2006-06-21  Jakub Jelinek  <jakub@redhat.com>
4978
4979         * varasm.c (mergeable_string_section): Check for embedded NULs and
4980         NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4981         rather than TREE_STRING_LENGTH bytes.
4982
4983 2006-06-21  Richard Guenther  <rguenther@suse.de>
4984
4985         * ggc-page.c (extra_order_size_table): Add var_ann_d,
4986         tree_ssa_name, bitmap_element and phi_node with 4 arguments
4987         sizes.
4988
4989 2006-06-21  Richrad Guenther  <rguenther@suse.de>
4990
4991         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4992         Limit iteration over the dominators.
4993
4994 2006-06-20  Roger Sayle  <roger@eyesopen.com>
4995
4996         * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4997         (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4998
4999 2006-06-20  Richard Guenther  <rguenther@suse.de>
5000         Michael Matz  <matz@suse.de>
5001
5002         * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5003         function.
5004         * alloc-pool.c (free_alloc_pool_if_empty): New function.
5005         * et-forest.h (et_free_pools): Prototype new function.
5006         * et-forest.c (et_free_tree_force): Free parent occurrence.
5007         (et_free_pools): New function.
5008         * dominance.c (free_dominance_info): Free et-forest alloc
5009         pools.
5010
5011 2006-06-20  Roger Sayle  <roger@eyesopen.com>
5012
5013         * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5014         integer modes, attempt to directly construct an integer constant.
5015
5016         * fold-const.c (native_encode_vector): Determine the size of each
5017         element from the vector type instead of the first vector element.
5018
5019         * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5020         if all of its elements/components are constant.
5021         (build_constructor_from_list): Likewise.
5022
5023 2006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
5024
5025         PR tree-optimization/27331
5026         * tree-data-ref.c (free_data_ref): New function.
5027         (create_data_ref): Fail if the data reference has unknown access
5028         function.
5029         (free_data_refs): Use free_data_ref.
5030
5031 2006-06-19  Andrew Pinski  <pinskia@gmail.com>
5032
5033         PR middle-end/28075
5034         * tree-inline.c (setup_one_parameter): Strip useless
5035         type conversion before adding it to the IR.
5036         (declare_return_variable): Likewise.
5037
5038 2006-06-19  Martin Michlmayr  <tbm@cyrius.com>
5039
5040         PR c/27149
5041         * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5042
5043 2006-06-19  Mike Stump  <mrs@apple.com>
5044
5045         * tree.c (variably_modified_type_p): VM arguments don't make the
5046         type a VM type.
5047
5048 2006-06-19  Richard Guenther  <rguenther@suse.de>
5049
5050         * tree-ssa-pre.c (try_combine_conversion): Strip useless
5051         type conversions after folding.
5052
5053 2006-06-19  Richard Guenther  <rguenther@suse.de>
5054
5055         * ggc-page.c (extra_order_size_tab): Add entries with
5056         size of struct function and basic_block.
5057         (size_lookup): Extend to cover sizes up to 511.
5058         (ggc_alloc_stat): Adjust user.
5059         (ggc_pch_count_object): Likewise.
5060         (ggc_pch_alloc_object): Likewise.
5061         (ggc_pch_write_object): Likewise.
5062
5063 2006-06-19  Zdenek Dvorak <dvorakz@suse.cz>
5064
5065         * tree-ssa-loop-niter.c (implies_ge_p): New function.
5066         (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5067         correctly.
5068
5069 2006-06-19  Denis Chertykov  <denisc@overta.ru>
5070
5071         * config/avr/libgcc.S : Correct my wrong previous commit.
5072
5073 2006-06-19  Roger Sayle  <roger@eyesopen.com>
5074
5075         PR target/27861
5076         * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5077         have stripped a SUBREG from the shift count, so we may need to
5078         convert_to_mode back to the type's mode before calling make_tree.
5079         Use new_amount instead of amount to avoid expanding a tree twice.
5080
5081 2006-06-19  Richard Guenther  <rguenther@suse.de>
5082
5083         PR middle-end/28045
5084         * fold-const.c (operand_equal_p): Check if the argument types
5085         have the same precision before stripping NOPs.
5086
5087 2006-06-19  Daniel Berlin  <dberlin@dberlin.org>
5088
5089         Fix PR tree-optimization/27341
5090         * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5091         statement we get.
5092         * tree-complex.c (pass_lower_complex): Update SMT usage.
5093
5094 2006-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5095
5096         * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5097         Add a new alternative to the constraint strings. Add move of
5098         operand 1 to 3 to the splitter definition.
5099         ("doloop_si_long"): Second contraint alternative removed.
5100
5101 2006-06-08  Anatoly Sokolov <aesok@post.ru>
5102
5103         * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5104         (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5105         __AVR_HAVE_LPMX__.
5106         (AVR_HAVE_MOVW) Define.
5107         (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5108         (ASM_SPEC): Add avr25.
5109         (LINK_SPEC): Add avr25.
5110         * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5111         (base_arch_s): Add new member 'have_movw_lpmx'.
5112         (avr_arch_types): Init 'have_movw_lpmx'.
5113         (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5114         attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5115         attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5116         (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5117         (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5118         AVR_HAVE_MOVW.
5119         (avr_file_start): Do not output '.arh' derective.
5120         * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5121         (__do_copy_data): Use __AVR_HAVE_LPMX__.
5122         * config/avr/avr.md (mcu_enhanced): Delete.
5123         (mcu_have_movw): Define.
5124         (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5125         (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5126         * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5127         (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5128         attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5129         attiny861 and at86rf401 devices.
5130
5131 2006-06-18  Jie Zhang  <jie.zhang@analog.com>
5132
5133         * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5134         of 4096.
5135
5136 2006-06-17  Karl Berry  <karl@gnu.org>
5137
5138         * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5139         doc/gccint.texi, doc/install.texi (@dircategory): Use
5140         "Software development" instead of "Programming", following
5141         the Free Software Directory.
5142
5143 2006-06-17  Alexandre Oliva  <aoliva@redhat.com>
5144
5145         * config/i386/i386.c (legitimate_tls_address)
5146         <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5147         * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5148         (*tls_dynamic_gnu2_combine_64): Likewise.
5149
5150 2006-06-16  Richard Guenther  <rguenther@suse.de>
5151
5152         PR middle-end/27116
5153         * fold-const.c (negate_expr_p): Do not introduce undefined
5154         overflow in negating INTEGER_CSTs.
5155         (fold_negate_expr): Rename from negate_expr.  Revert last
5156         change for folding BIT_NOT_EXPR.  Change semantics to
5157         return NULL_TREE for non-simplified negations.  Do not
5158         strip type conversions and unify type handling.
5159         (negate_expr): New function, wrap around fold_negate_expr
5160         but ensure building a tree always.  Strip type conversions
5161         here, fold to result type.
5162         (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5163
5164 2006-06-16  Roger Sayle  <roger@eyesopen.com>
5165
5166         PR middle-end/27802
5167         * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5168         that (would) return their results in stack registers.
5169
5170 2006-06-16  Michael Matz  <matz@suse.de>
5171         Richard Guenther  <rguenther@suse.de>
5172
5173         * fold-const.c (fold_truthop): Only return new tree node if
5174         we canonicalized something.
5175
5176 2006-06-16  Richard Guenther  <rguenther@suse.de>
5177
5178         * function.h (enum function_frequency): Move declaration
5179         out of struct function.
5180         (struct function): Move bool fields and the enum to the bitfield
5181         section.  Reorder elements to avoid padding.  Remove unused
5182         fields left over from the RTL inliner removal.
5183         * function.c (free_after_compilation): Do not zero removed fields.
5184         * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5185         (ipa-type-escape.o): Likewise.
5186
5187 2006-06-16  Richard Guenther  <rguenther@suse.de>
5188
5189         * cgraph.h (struct cgraph_local_info): Turn bool elements
5190         into a bitfield.
5191         (struct cgraph_node): Likewise.
5192         (struct cgraph_varpool_node): Likewise.
5193
5194 2006-06-15  Richard Guenther  <rguenther@suse.de>
5195
5196         * fold-const.c (fold_truth_not_expr): Rename from
5197         invert_truthvalue.  Give it fold_* semantics to avoid
5198         generating garbage.
5199         (invert_truthvalue): New function.  Wrapper around
5200         fold_truth_not_expr.
5201         (optimize_minmax_comparison): Avoid creating garbage.
5202         (fold_unary): Use fold_truth_not_expr for folding
5203         TRUTH_NOT_EXPR.
5204         (fold_ternary): Replace uses of invert_truthvalue with
5205         fold_truth_not_expr where applicable.
5206         * tree.h (fold_truth_not_expr): Prototype.
5207
5208 2006-06-16  Richard Guenther  <rguenther@suse.de>
5209
5210         PR tree-optimization/27781
5211         * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5212         * ipa-pure-const.c (target.h): Include.
5213         (analyze_function): Do not analyze functions that do not
5214         bind locally.
5215
5216 2006-06-15  Andrew MacLeod  <amacleod@redhat.com>
5217
5218         PR middle-end/27793
5219         * tree-dfa.c (referenced_vars_dup_list): Remove.
5220         (find_referenced_vars): Remove assert.
5221         (referenced_var_check_and_insert): Replace dup list with assert.
5222         * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5223         * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5224
5225 2006-06-15  Richard Guenther  <rguenther@suse.de>
5226
5227         * tree-ssa-structalias.c (alias_get_name): Avoid creating
5228         extra unused identifiers if not dumping.
5229         (create_variable_info_for): Likewise.
5230
5231 2006-06-15  Zdenek Dvorak <dvorakz@suse.cz>
5232
5233         * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5234         (derive_constant_upper_bound): Derive more precise upper bound in
5235         common cases.  Return type changed to double_int.
5236         (record_estimate): Reflect the changed return type of
5237         derive_constant_upper_bound.
5238         * double-int.c (double_int_zext, double_int_sext): Fix.
5239
5240 2006-06-15  Paolo Bonzini  <bonzini@gnu.org>
5241
5242         * configure.ac (CFLAGS): Get them from the toplevel or from the
5243         configure invocation.
5244         * configure: Regenerate.
5245         * Makefile.in (CFLAGS): Substitute value provided by configure.
5246
5247 2006-06-14  Mark Mitchell  <mark@codesourcery.com>
5248
5249         PR c++/26559
5250         * c-common.h (c_finish_omp_atomic): Adjust declaration.
5251         * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5252         rather than calling add_stmt on it.
5253         * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5254
5255 2006-06-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5256
5257         PR middle-end/27959
5258         * reload1.c (reload): Remove registers returned by update_eliminables
5259         from used_spill_regs.
5260
5261 2006-06-13  DJ Delorie  <dj@redhat.com>
5262
5263         * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5264
5265 2006-06-13  Carlos O'Donell  <carlos@codesourcery.com>
5266
5267         * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5268         html__strip_dir, html__mkdir_p. Enhance install-html target.
5269         * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5270         * configure: Regenerate.
5271
5272 2006-06-13  Fariborz Jahanian <fjahanian@apple.com>
5273
5274         * fold-const.c (fold_cond_expr_with_comparison): Check for
5275         Objective-C++ as language in deciding COND_EXPR transformation.
5276
5277 2006-06-06  J"orn Rennecke <joern.rennecke@st.com>
5278
5279         PR target/28014:
5280         * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5281         * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5282         * config/sh/lib1funcs.h (SL, SL1): Define.
5283         * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5284         * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5285         * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5286         (OBJS_Os_4_200): New variable.
5287         ($(T)libgcc-Os-4-200.a): Use it.
5288         * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5289         when dividing 1 and/or by 0.
5290
5291 2006-06-13  Roger Sayle  <roger@eyesopen.com>
5292
5293         * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5294         before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5295         * configure: Regenerate.
5296
5297 2006-06-13  Jie Zhang  <jie.zhang@analog.com>
5298
5299         * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5300         for real instruction.
5301
5302 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5303
5304         PR middle-end/26807
5305         * haifa-sched.c (check_cfg): Handle special case.
5306
5307 2006-06-13  Eric Botcazou  <ebotcazou@adacore.com>
5308
5309         PR debug/26754
5310         * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5311         Add debug_info parameter.  Chain the vars to the BLOCK instead
5312         of the BIND_EXPR if debug info are requested for them.
5313         (pop_gimplify_context): Adjust for above change.
5314         (gimple_add_tmp_var): Likewise.
5315         * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5316         Add bool parameter.
5317         * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5318         (convert_local_reference): Likewise.
5319         (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5320         (finalize_nesting_tree_1): Request that debug info be emitted
5321         for debug_var_chain.
5322
5323 2006-06-13  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5324
5325         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5326         for PR target/27863.
5327
5328 2006-06-13  Richard Guenther  <rguenther@suse.de>
5329
5330         PR middle-end/27536
5331         * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5332
5333 2006-06-13  Richard Guenther  <rguenther@suse.de>
5334
5335         PR tree-optimization/27830
5336         * tree-inline.c (copy_body_r): For copying the operand
5337         of an ADDR_EXPR make sure to fold &* afterwards.
5338
5339 2006-06-12  Eric Botcazou  <ebotcazou@adacore.com>
5340
5341         * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5342         lvalues in the fb_none case with side-effects.
5343
5344 2006-06-12  Kazu Hirata  <kazu@codesourcery.com>
5345
5346         * tree-flow.h: Remove the prototype for
5347         compute_phi_arg_on_exit.
5348         * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5349         protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5350         Remove.
5351
5352 2006-06-12  Mark Shinwell  <shinwell@codesourcery.com>
5353
5354         * builtins.c (expand_builtin_return_addr): Only use
5355         frame_pointer_rtx when count == 0 and we are expanding
5356         __builtin_return_address.
5357
5358 2006-06-12  Fred Fish  <fnf@specifix.com>
5359
5360         * config/mips/mips.c (mips_file_start): Create special section
5361         ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5362
5363 2006-06-11  Eric Christopher  <echristo@apple.com>
5364
5365         PR middle-end/27948
5366         * stor-layout.c (place_field): Remove check for
5367         remaining_in_alignment when aligning at the end of a run.
5368
5369 2006-06-11  Eric Christopher  <echristo@apple.com>
5370
5371         PR 27542
5372         * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5373         pragma.
5374
5375 2006-06-11  Roger Sayle  <roger@eyesopen.com>
5376
5377         PR target/27858
5378         Revert incorrect fix for PR target/27158
5379         2006-05-08  Roger Sayle  <roger@eyesopen.com>
5380         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5381         of a reg_equiv_constant if the result is a legitimate constant.
5382
5383 2006-06-11  Roger Sayle  <roger@eyesopen.com>
5384
5385         PR target/27158
5386         * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5387         extract a CONST_VECTOR element and interpret it as an integer.
5388         (vspltis_constant): Use const_vector_elt_as_int instead of the
5389         macro CONST_VECTOR_ELT in order to handle FP vector modes.
5390         * config/rs6000/predicates.md (easy_vector_const): Consider
5391         floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5392
5393 2006-06-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5394
5395         PR middle-end/27942
5396         * stor-layout.c (update_alignment_for_field): Don't add extra
5397         alignment for packed non-bitfield fields in ms_bitfield_layout_p
5398         code.
5399
5400 2006-06-09  Ralf Corsepius  <ralf.corsepius@rtems.org>
5401
5402         * config/mips/t-rtems: Add EL/EB multilib variants.
5403
5404 2006-06-09  Mike Stump  <mrs@apple.com>
5405
5406         * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5407
5408 2006-06-09  David Daney  <ddaney@avtrex.com>
5409
5410         * doc/install.texi: Add binutils version recommendation for mips-*-*.
5411
5412 2006-06-09  Andreas Krebbel  <krebbel1@de.ibm.com>
5413
5414         * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5415
5416 2006-06-09  Richard Guenther  <rguenther@suse.de>
5417
5418         PR tree-optimization/26998
5419         * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5420         of signed types, only TYPE_MIN_VALUE is special, but for both,
5421         minimum and maximum value.  Likewise VR_ANTI_RANGE is special
5422         in this case, as is -fwrapv.
5423
5424 2006-06-08  Mike Stump  <mrs@apple.com>
5425
5426         PR target/26427
5427         * config/darwin.c (darwin_asm_output_anchor): Disable
5428         -fsection-anchors on darwin for now.
5429         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5430         * rs6000/rs6000.c (optimization_options): Likewise.
5431
5432 2006-06-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5433
5434         PR target/27421
5435         * config/i386/i386.c (classify_argument): Skip fields with invalid
5436         types in unions.
5437
5438 2006-06-08  Steven Bosscher  <steven@gcc.gnu.org>
5439
5440         * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5441         (cse_insn): Likewise for the stack_pointer_rtx.
5442
5443 2006-06-08  Roger Sayle  <roger@eyesopen.com>
5444
5445         * tree-ssa-dom.c (record_conditions): Only record "unordered"
5446         conditions from floating point comparisons.
5447
5448 2006-06-08  Paolo Bonzini  <bonzini@gnu.org>
5449
5450         PR middle-end/27733
5451         * expmed.c (struct alg_hash_entry): Fix type of field T
5452         to match synth_mult argument.
5453         (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5454
5455 2006-06-08  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5456
5457         PR target/27863
5458         * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5459         block boundaries.
5460
5461 2006-06-08  Richard Guenther  <rguenther@suse.de>
5462
5463         PR middle-end/27116
5464         * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5465         only, if overflow is defined and not trapping.
5466         (negate_expr): Likewise.
5467
5468 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
5469
5470         PR tree-optimization/27872
5471         * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5472         flag on the new exit edge of the unrolled loop.
5473
5474 2006-06-07  Zdenek Dvorak <dvorakz@suse.cz>
5475
5476         PR rtl-optimization/26449
5477         * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5478
5479 2006-06-07  Andrew MacLeod  <amacleod@redhat.com>
5480
5481         PR middle-end/27793
5482         * tree-dfa.c (referenced_vars_dup_list): New.  List of duplicate
5483         referenced_variables with matching DECL_UID's.
5484         (find_referenced_vars): Make sure duplicate list is empty to start.
5485         (referenced_var_p): Remove.
5486         (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5487         Check if var is in the list, and add if needed.  Update the duplicate
5488         list if a different var is in the list with the same DECL_UID.
5489         (add_referenced_var): Call routine to check and insert.
5490         * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5491         * tree-flow.h (referenced_vars_dup_list): External declaration.
5492
5493 2006-06-07  Fred Fish  <fnf@specifix.com>
5494
5495         * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5496         into single entry.
5497
5498 2006-06-07  Paolo Bonzini  <bonzini@gnu.org>
5499
5500         PR target/27390
5501         * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5502         the imaginary and real parts of a clobbered register.
5503         Emit insn to set the imaginary part.
5504
5505 2006-06-06  Peter Lemieszewski  <lemie@us.ibm.com>
5506
5507         * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5508         in lieu of unwind-dw2-fde.c.
5509
5510 2006-06-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5511
5512         * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5513
5514 2006-06-06  Ulrich Weigand  <uweigand@de.ibm.com>
5515
5516         PR target/27842
5517         * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5518         ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5519         ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5520         V4SImode temporaries and operations instead.
5521
5522 2006-06-06  Joseph S. Myers  <joseph@codesourcery.com>
5523
5524         * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5525         dp-bit.c.
5526
5527 2006-06-06  Mike Stump  <mrs@apple.com>
5528
5529         * Makefile.in: Rename to htmldir to build_htmldir to avoid
5530         installing during build.
5531
5532 2006-06-06  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
5533
5534         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5535         value to 0.
5536         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5537         * config/ia64/ia64.c (params.h): New header.
5538         (ia64_optimization_options): New function to adjust parameters.
5539         * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5540         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5541         * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5542
5543 2006-06-05  Kazu Hirata  <kazu@codesourcery.com>
5544
5545         * stor-layout.c (debug_rli): Fix a typo in a debug message.
5546
5547 2006-06-05  Steve Ellcey  <sje@cup.hp.com>
5548
5549         PR target/27051
5550         * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5551
5552 2006-06-05  Dorit Nuzman  <dorit@il.ibm.com>
5553             Victor Kaplansky  <victork@il.ibm.com>
5554
5555         PR tree-optimization/26360
5556         * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5557         stmts.
5558
5559 2006-06-04  Roger Sayle  <roger@eyesopen.com>
5560             Andrew Pinski  <pinskia@physics.uc.edu>
5561
5562         PR middle-end/27382
5563         * c-common.c (c_common_truthvalue_conversion): Explicitly check
5564         for LABEL_DECL before calling DECL_WEAK.
5565
5566         PR c/27150
5567         * c-typeck.c (build_binary_op): Likewise, explicitly check for
5568         LABEL_DECL and PARM_DECL.
5569
5570 2006-06-05  Joseph S. Myers  <joseph@codesourcery.com>
5571
5572         PR c/25161
5573         PR c/27020
5574         * c-decl.c (grokdeclarator): Disallow variably modified types at
5575         file scope.  Avoid marking shared array type of constant size as
5576         VLA.
5577
5578 2006-06-04  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5579
5580         PR c++/27601
5581         * c-common.c (fold_offsetof_1): Handle static members.
5582
5583 2006-06-04 Eric Christopher <echristo@apple.com>
5584
5585         * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5586         (debug_rli): Output value for remaining_in_alignment.
5587         (update_alignment_for_field): Unconditionalize
5588         ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5589         extra alignment code.
5590         (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5591         ms_bitfield_layout_p code. Rewrite handling of structure fields.
5592         * tree.h (record_layout_info_s): Remove prev_packed.
5593         * doc/extend.texi (ms_struct): Add documentation of format.
5594
5595 2006-06-04  Mark Shinwell  <shinwell@codesourcery.com>
5596
5597         * tree.h: Declare folding_initializer.
5598         * builtins.c (fold_builtin_constant_p): Give definite answer
5599         if folding inside an initializer.
5600         * fold-const.c: Define folding_initializer.
5601         (START_FOLD_INIT): Save and then set folding_initializer.
5602         (END_FOLD_INIT): Restore folding_initializer.
5603
5604 2006-06-04  Richard Guenther  <rguenther@suse.de>
5605
5606         PR tree-optimization/27039
5607         * fold-const.c (fold_comparison): Handle pointer comparison
5608         again for all comparison codes.  Compare offsets in signed
5609         size type.
5610         (fold_binary): Move code from here.
5611
5612 2006-06-03  Roger Sayle  <roger@eyesopen.com>
5613
5614         PR target/26223
5615         * config/i386/i386.c (construct_container): Split static issued_error
5616         flag into issued_sse_arg_error, issued_sse_ret_error and
5617         issued_x87_ret_error.  Issue a daignostic if the x86-64 ABI
5618         requires the use of x87 registers and the user explicitly
5619         specified the -mno-80387 command line option.
5620
5621 2006-06-02  Geoffrey Keating  <geoffk@apple.com>
5622
5623         * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5624         HAVE_DECL_SIGALTSTACK.
5625         (MC_FLD): New.
5626         (segv_handler): Use MC_FLD.
5627         * configure.ac: Check for a sigaltstack declaration.
5628         Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5629         * configure: Regenerate.
5630         * config.in: Regenerate.
5631
5632 2006-06-03  J"orn Rennecke <joern.rennecke@st.com>
5633
5634         PR other/27850
5635         * Makefile.in (stmp-fixinc): Fix typo.
5636
5637 2006-06-02  Roger Sayle  <roger@eyesopen.com>
5638
5639         * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5640         are type correct.  Clean-up.
5641         <REALPART_EXPR>: Likewise.  Optimize creal(~z) as creal(z).
5642         <IMAGPART_EXPR>: Likewise.  Optimize cimag(~z) as -cimag(z).
5643
5644 2006-06-01  DJ Delorie  <dj@redhat.com>
5645
5646         * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5647         shift, as we've disabled the "switch" insn that needs it.
5648
5649 2006-06-01  Per Bothner  <bothner@bothner.com>
5650
5651         Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5652         * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5653         * c-ppoutput.c (cb_define): Don't increment line 0.
5654
5655 2006-06-01  Pete Steinmetz  <steinmtz@us.ibm.com>
5656
5657         * doc/invoke.texi: Add cpu_type power6.
5658         * config.gcc: Add cpu_type power6.
5659         * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5660         to power5+ with Altivec.
5661         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5662         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5663
5664 2006-05-30  Anatoly Sokolov <aesok@post.ru>
5665
5666         * config/avr/avr.h (SET_ASM_OP): Define.
5667
5668 2006-06-01  Kazu Hirata  <kazu@codesourcery.com>
5669
5670         * config/bfin/bfin.c: Fix comment typos.
5671
5672 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
5673
5674         PR 25453
5675         * doc/install.texi: Document --enable-bootstrap and
5676         --disable-bootstrap.
5677
5678 2006-06-01  Paolo Bonzini  <bonzini@gnu.org>
5679
5680         * doc/install.texi: Document that InfoZIP can replace jar.
5681
5682 2006-05-31  Roger Sayle  <roger@eyesopen.com>
5683
5684         * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5685         isn't available, directly generate the simpler x87 patterns without
5686         the (use (const_int 0)).
5687         * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5688         implementation isn't available.
5689         (*negdf2_1): Likewise.
5690         (*negxf2_1): XF mode negation is always done using the x87.
5691         (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5692
5693 2006-05-31  Roger Sayle  <roger@eyesopen.com>
5694
5695         * builtins.c (fold_builtin_cabs): Delete prototype.  Require an
5696         additional FNDECL argument.  Optimize cabs(-z) and cabs(~z) as
5697         cabs(z).
5698         (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5699
5700 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
5701
5702         * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5703         * config/bfin/bfin.c (basic-block.h): Include.
5704         (struct machine_function): New.
5705         (bfin_init_machine_status): New.
5706         (override_options): Initialize init_machine_status.
5707         (bfin_hardware_loop): New.
5708         (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5709         (DEF_VEC_P (loop_info)): New.
5710         (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5711         (struct loop_info): New.
5712         (loop_info): New typedef.
5713         (struct loop_work): New.
5714         (loop_work): New typedef.
5715         (DEF_VEC_O (loop_work)): New.
5716         (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5717         (bfin_dump_loops): New.
5718         (bfin_bb_in_loop): New.
5719         (bfin_scan_loop): New.
5720         (bfin_optimize_loop): New.
5721         (bfin_reorg_loops): New.
5722         (bfin_reorg): Use bfin_reorg_loops.
5723         * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5724         loop registers.
5725         (I_REGNO_P): Simplify.
5726         (DP_REGNO_P, DPREG_P): New macros.
5727         (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5728         REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5729         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5730         Add LT_REGS, LC_REGS, LB_REGS.
5731         (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5732         'l' for LB_REGS.
5733         (REGNO_REG_CLASS): Deal with loop registers.
5734         * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5735         letters.
5736         (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5737         New constants for loop registers.
5738         (UNSPEC_LSETUP_END): New.
5739         (seq_insns): New define_attr. Set it for appropriate insns.
5740         (movsi_insn): Add alternatives for move from/to
5741         loop count registers.
5742         (doloop_end): New define_expand.
5743         (loop_end): New define_insn.
5744         (define_split for bad doloop_end): New.
5745         (lsetup_with_autoinit): New define_insn.
5746         (lsetup_without_autoinit): New define_insn.
5747         (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5748         * config/bfin/predicates.md (lc_register_operand): New.
5749         (lt_register_operand): New.
5750         (lb_register_operand): New.
5751         (nondp_register_operand): New.
5752         (nondp_reg_or_memory_operand): New.
5753         * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5754
5755 2006-05-31  Jie Zhang  <jie.zhang@analog.com>
5756
5757         * config/bfin/bfin.c (bfin_delegitimize_address): New.
5758         (TARGET_DELEGITIMIZE_ADDRESS): Define.
5759
5760 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
5761
5762         * Makefile.in (CATALOGS): Add po/ prefix.
5763         * configure: Regenerated.
5764
5765 2006-05-31  Richard Earnshaw  <richard.earnshaw@arm.com>
5766
5767         PR target/27829
5768         * arm.c (arm_print_operand case 'S'): Validate that the operand is
5769         a shift operand before calling shift_op.  Avoid redundant call of
5770         shift_op.
5771
5772 2006-05-30  Naveen.H.S  <naveenh@kpitcummins.com>
5773             DJ Delorie  <dj@redhat.com>
5774
5775         * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5776         we're inserting is a singlt-bit constant.
5777
5778 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5779
5780         * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5781         width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5782
5783 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5784
5785         PR tree-optimization/23452
5786         * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5787         to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5788         (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5789         complex values and with -ffast-math for FP complex values.
5790
5791 2006-05-30  Kazu Hirata  <kazu@codesourcery.com>
5792
5793         * c-common.h: Remove the prototype for yyparse.
5794         * rtl.h: Remove the prototype for init_loop.
5795
5796 2006-05-30  Andreas Krebbel  <krebbel1@de.ibm.com>
5797
5798         * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5799         calling recog.
5800
5801 2006-05-30  Roger Sayle  <roger@eyesopen.com>
5802
5803         * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5804         and rotate cases.
5805         <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5806         log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5807
5808 2006-05-30  Dirk Mueller  <dmueller@suse.de>
5809
5810         PR c/27273
5811         * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5812         for CONSTANT_CLASS_P expresisons.
5813
5814 2006-05-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5815
5816         PR c/27718
5817         * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5818
5819 2006-05-30  Zdenek Dvorak <dvorakz@suse.cz>
5820
5821         PR tree-optimization/27779
5822         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5823         initial_condition instead of CHREC_LEFT.
5824
5825 2006-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
5826
5827         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5828         * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5829         Make prototypes ISO C90.
5830
5831 2006-05-30  Mircea Namolaru  <namolaru@il.ibm.com>
5832             Leehod Baruch    <leehod.baruch@weizmann.ac.il>
5833
5834         * see.c (see_analyze_one_def): Correct check.
5835         (see_get_extension_data): Check if extension is parallel.
5836         (see_get_extension_reg): Likewise.
5837
5838 2006-05-30  Uros Bizjak  <uros@kss-loka.si>
5839
5840         PR target/27790
5841         * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5842         into register for (code == GTU).
5843
5844 2006-05-29  Roger Sayle  <roger@eyesopen.com>
5845
5846         PR tree-optimization/24964
5847         * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5848         <MULT>: Minor clean-up.  Don't convert x*-1.0 into -x if we honor
5849         signaling NaNs.  Optimize -x*-x as x*x for all float modes, and
5850         abs(x)*abs(x) as x*x for scalar floating point modes.
5851
5852 2006-05-29  Sebastian Pop  <pop@cri.ensmp.fr>
5853
5854         PR middle-end/27745
5855         * lambda-code.c (perfect_nestify): Don't copy statements
5856         in the inner loop: move them to the inner loop header.
5857
5858 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
5859
5860         PR 26237
5861         * c-tree.texi: Document OpenMP directives and clauses.
5862
5863 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
5864
5865         * varasm.c (globalize_decl): Fix indentation.
5866
5867 2006-05-29  Diego Novillo  <dnovillo@redhat.com>
5868
5869         PR 26242
5870         * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5871         pass_fre, pass_store_ccp, pass_copy_prop,
5872         pass_store_copy_prop, pass_merge_phi, pass_nrv,
5873         pass_return_slot, pass_object_size, pass_lim,
5874         pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5875         pass_loop_prefetch and pass_stdarg.
5876
5877 2005-05-29  Bernd Schmidt  <bernd.schmidt@analog.com>
5878
5879         * config/bfin/bfin.opt (mfdpic): New option.
5880         * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5881         (EXTRA_MULTILIB_PARTS): Likewise.
5882         (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5883         (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5884         multilib.
5885         * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5886         (CRT_CALL_STATIC_FUNCTION): New.
5887         * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5888         -shared.
5889         (CRT_CALL_STATIC_FUNCTION): New.
5890         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Handle
5891         FD-PIC moves.
5892         (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5893         (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5894         (initialize_trampoline): Changed to handle FD-PIC code generation.
5895         (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5896         (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5897         (override_options): Disallow -mid-shared-library -mfdpic combination.
5898         Can't do unaligned ops if FD-PIC.
5899         Turn off flag_pic if trying to generate non-id-shared-library
5900         non-fdpic code, since it's not supported.
5901         (bfin_assemble_integer): New function.
5902         (TARGET_ASM_INTEGER): Define.
5903         * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5904         __BFIN_FDPIC__.
5905         * config/bfin/crtn.s: Restore them.
5906         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5907         if TARGET_FDPIC.
5908         (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5909         LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5910         (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5911         (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5912         (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5913         call-used.
5914         (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5915         FDPIC_REGS and FDPIC_FPTR_REGS.
5916         (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5917         * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5918         UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5919         (load_funcdescsi): New pattern.
5920         (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5921         sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5922         call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5923
5924 2006-05-29  Kazu Hirata  <kazu@codesourcery.com>
5925
5926         * gcse.c, rtlanal.c: Remove obsolete comments associated with
5927         loop.c.
5928
5929         * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5930
5931         * tree-flow.h: Remove the prototype for add_type_alias.
5932         * tree-ssa-alias.c (add_type_alias): Remove.
5933
5934 2006-05-28  Kazu Hirata  <kazu@codesourcery.com>
5935
5936         * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5937         config/fr30/fr30.md, config/i386/i386-interix.h,
5938         config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5939         config/sh/superh64.h, config/v850/v850.c, df-core.c,
5940         df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5941         lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5942         reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5943         tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5944         Follow spelling conventions.
5945         * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5946         Follow spelling conventions.
5947
5948 2006-05-27  Richard Guenther  <rguenther@suse.de>
5949
5950         PR middle-end/27773
5951         * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5952         to produce a constant of value 1 of generic type.
5953
5954 2006-05-27  Dirk Mueller  <dmueller@suse.de>
5955
5956         * cgraphunit.c (decide_is_function_needed): Fix wrong
5957         PR reference.
5958
5959 2006-05-26  Ulrich Weigand  <uweigand@de.ibm.com>
5960
5961         PR rtl-optimization/27661
5962         * reload.c (find_reloads): When reloading a VOIDmode constant
5963         as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5964         use Pmode as mode of the reload register.
5965
5966 2006-05-26  Eric Botcazou  <ebotcazou@adacore.com>
5967
5968         * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5969         is enabled at -O and above.
5970
5971 2006-05-26  Steven Bosscher  <steven@gcc.gnu.org>
5972
5973         PR target/27571
5974         * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5975         table data.
5976
5977 2006-05-25  Mark Mitchell  <mark@codesourcery.com>
5978
5979         PR c++/20103
5980         * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5981         for anonymous variables explicitly declared by front ends.
5982
5983 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
5984
5985         * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5986         (struct alias_info): Add new field ref_all_symbol_mem_tag.
5987         * tree-ssa-alias.c (compute_may_aliases): If the program contains
5988         ref-all pointers, run a finalization pass for them.
5989         (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5990         (finalize_ref_all_pointers): New function.
5991         (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5992         regular pointer type to a ref-all pointer type.
5993         (get_tmt_for): Return the special memory tag for ref-all pointers.
5994
5995 2006-05-25  Richard Guenther  <rguenther@suse.de>
5996
5997         PR middle-end/27743
5998         * fold-const.c (fold_binary): Do not look at the stripped
5999         op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6000
6001 2006-05-25  Eric Botcazou  <ebotcazou@adacore.com>
6002
6003         * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6004         for LT and GT if the computed range is effectively empty.
6005
6006 2006-05-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6007
6008         PR target/27627
6009         * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6010         mips_quad_format formats instead of ieee_single_format,
6011         ieee_double_format and ieee_quad_format formats, respectively.
6012
6013 2006-05-24  Zdenek Dvorak <dvorakz@suse.cz>
6014
6015         PR tree-optimization/27639
6016         PR tree-optimization/26719
6017         * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6018         call to scev_probably_wraps_p.
6019         * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6020         used_in_pointer_arithmetic_p, convert_step): Removed.
6021         (nowrap_type_p): New function.
6022         (scev_probably_wraps_p): Rewritten.
6023         * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6024         chrec_convert if chrec_convert_aggressive might have been used.
6025         * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6026         scev_direction): New functions.
6027         (chrec_convert): Changed to a wrapper over chrec_convert_1.
6028         * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6029         instead of convert_step.
6030         * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6031         (convert_step): Declaration removed.
6032         (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6033
6034 2006-05-23  Kenneth Zadeck <zadeck@naturalbridge.com>
6035
6036         * df-core.c: Added to header comments.
6037         * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6038         df_ur_bb_info, df_urec_bb_info): Added comments.
6039         * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6040         urec, ri problems): Fixed header comments.
6041         (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6042         code from df_rd_transfer_function.
6043
6044 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
6045
6046         * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6047         (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6048         MIN_UNITS_PER_WORD to set the default.  Also use it in the guard.
6049
6050 2006-05-23  Joseph Myers  <joseph@codesourcery.com>
6051
6052         * expr.c (undefined_operand_subword_p): New.
6053         (emit_move_multi_word): Do not generate move from undefined bits
6054         of a paradoxical subreg.
6055
6056 2006-05-23  Richard Sandiford  <richard@codesourcery.com>
6057
6058         PR rtl-optimization/27736
6059         * combine.c (replaced_rhs_value): New variable.
6060         (combine_instructions): Set it.
6061         (distribute_notes): When distributing a note in replaced_rhs_insn,
6062         check whether the value was used in replaced_rhs_value.
6063
6064 2006-05-23  Andrew MacLeod  <amacleod@redhat.com>
6065
6066         PR c++/26757
6067         * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6068         add_referenced_var instead of add_referenced_tmp_var.
6069         * tree-complex.c (create_one_component_var): Use add_referenced_var.
6070         * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6071         add_referenced_var.
6072         * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6073         tree_optimize_tail_calls_1): Use add_referenced_var.
6074         * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6075         * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6076         Use add_referenced_var.
6077         * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6078         * gimplify.c (force_gimple_operand): Use add_referenced_var.
6079         * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6080         Use add_referenced_var.
6081         * tree-dfa.c (struct walk_state): Remove.
6082         (find_referenced_vars): Remove walk state and vars_found hash table.
6083         (make_rename_temp): Use add_referenced_var.
6084         (find_vars_r): Pass less parameters to add_referenced_var.
6085         (referenced_var_p): New.  Is var in referenced_var hash table.
6086         (referenced_var_insert): Assert var isn't already in hash table.
6087         (add_referenced_var): Don't need walk_state parameter.  Add var if it
6088         isn't already in the hash table.
6089         (add_referenced_tmp_var): Remove.
6090         (find_new_referenced_vars_1): Use add_referenced_var.
6091         * tree-ssa-pre.c (create_expression_by_pieces,
6092         insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6093         Use add_referenced_var.
6094         * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6095         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6096         lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6097         add_referenced_var.
6098         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6099         vect_create_data_ref_ptr, vect_create_destination_var,
6100         vect_init_vector, vect_build_loop_niters,
6101         vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6102         vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6103         Use add_referenced_var.
6104         * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6105         * tree-flow.h (add_referenced_tmp_var): Remove prototype
6106         (add_referenced_var): Add prototype.
6107         * tree-ssa-structalias.c (get_constraint_for,
6108         intra_create_variable_infos): Use add_referenced_var.
6109
6110 2006-05-23  Alexandre Oliva  <aoliva@redhat.com>
6111
6112         * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6113         big-endian paradoxical subregs.
6114         * var-tracking.c (struct micro_operation_def): Document that,
6115         for modify micro operations, insn is the subsequent instruction.
6116         (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6117         (var_reg_set, var_mem_set): ... new functions.
6118         (add_stores): Record subsequent insn.
6119         (compute_bb_dataflow): Use new functions for MO_USE.
6120         (emit_notes_in_bb): Use new functions for MO_USE.  Emit use
6121         notes after the insn, and modify notes before the insn known
6122         to be the subsequent one.
6123         (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6124
6125 2006-05-23  Kazu Hirata  <kazu@codesourcery.com>
6126
6127         PR target/27696
6128         * config/i386/i386.c (ix86_expand_builtin): Use
6129         gen_sse3_monitor64 for TARGET_64BIT.
6130
6131 2006-05-22  Kenneth Zadeck <zadeck@naturalbridge.com>
6132
6133         PR rtl-optimization/26375
6134         PR rtl-optimization/26855
6135         * df-problems (df_ru_bb_local_compute_process_def): Removed update
6136         to gen set.
6137         (df_ru_bb_local_compute): Reversed statements and removed bogus
6138         comment explaining why they should be in wrong order.
6139         (df_ru_dump, df_rd_dump): Enhanced debug info.
6140         * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6141         debug info.
6142         * ddg.c (add_deps_for_def): Converted use of reaching defs to
6143         reaching uses and fixed space problem.
6144
6145 2006-05-23  Jan Hubicka  <jh@suse.cz>
6146
6147         * cgraphunit.c (decide_is_function_needed): Also nested functions
6148         and functions declared inline can be optimized out at -O0.
6149
6150 2006-05-22  Gerald Pfeifer  <gerald@pfeifer.com>
6151
6152         * doc/install.texi (Configuration): Remove reference to CrossGCC
6153         FAQ which was gone.
6154         (Building): Ditto.
6155
6156 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
6157
6158         PR target/27266
6159         * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6160         ix86_compare_emitted is non-NULL.
6161
6162 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6163
6164         PR c++/27451
6165         * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6166         clobbers.
6167
6168 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
6169
6170         PR rtl-optimization/25514
6171         * combine.c (replaced_rhs_insn): New variable.
6172         (combine_instructions): Set replaced_rhs_insn when trying to replace
6173         a SET_SRC with a REG_EQUAL note.
6174         (distribute_notes): Use replaced_rhs_insn when determining the live
6175         range of a REG_DEAD register.
6176
6177 2006-18-05  Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6178             Anatoly Sokolov <aesok@post.ru>
6179
6180         * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6181         attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6182         attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6183         atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6184         atmega3290, atmega649, atmega6490, atmega406, atmega640,
6185         atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6186         at90usb647, at90usb1286 and at90usb1287 devices.
6187         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6188         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6189
6190 2006-05-22  Richard Sandiford  <richard@codesourcery.com>
6191
6192         * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6193
6194 2006-05-22  Richard Guenther  <rguenther@suse.de>
6195
6196         Revert
6197         2006-01-31  Richard Guenther  <rguenther@suse.de>
6198         Paolo Bonzini  <bonzini@gnu.org>
6199
6200         * doc/install.texi (--disable-libgcc-math): Document.
6201
6202 2006-05-22  Richard Guenther  <rguenther@suse.de>
6203
6204         Revert
6205         2006-01-31  Richard Guenther  <rguenther@suse.de>
6206
6207         * doc/invoke.texi (-msselibm): Document.
6208         * target.h (expand_library_builtin): New target hook.
6209         * builtins.c (expand_builtin): Use expand_library_builtin.
6210         (default_expand_library_builtin): New function.
6211         * gcc.c (LINK_GCC_MATH_SPEC): Define.
6212         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6213         (link_gcc_math_spec): Declare.
6214         (static_specs): Add link_gcc_math_spec.
6215         * expr.h (default_expand_library_builtin): Declare.
6216         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6217         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6218         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6219         * config/i386/i386.opt (msselibm): New target option.
6220         * config/i386/i386.c (ix86_builtin_function_variants): New array.
6221         (ix86_init_sse_abi_builtins): New function.
6222         (ix86_expand_library_builtin): Likewise.
6223         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6224         (override_options): Handle error conditions wrt -msselibm.
6225         (ix86_builtins): Add function codes for SSE2 ABI builtins.
6226         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6227         * doc/extend.texi (__builtin_sse2_*): Document new target specific
6228         builtins.
6229
6230 2006-05-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6231
6232         PR c/27420
6233         * c-common.c (self_promoting_args_p): Skip erroneous args.
6234
6235         PR c/26818
6236         * c-decl.c (finish_struct): Skip erroneous fields.
6237
6238 2006-05-22  Nick Clifton  <nickc@redhat.com>
6239
6240         * config/cris/cris.opt (march): Remove VarExists attribute.
6241         (max-stackframe=): Likewise.
6242
6243 2006-05-22  Kazu Hirata  <kazu@codesourcery.com>
6244
6245         * doc/rtl.texi: Fix a typo.
6246         * see.c: Fix comment typos.
6247
6248         * tree-ssa-structalias.h (alias_info): Remove num_references.
6249
6250 2006-05-21  Mike Stump  <mrs@apple.com>
6251
6252         * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6253         (BAD2): Add.
6254         (darwin_pragma_options): Use BAD instead.
6255         (darwin_pragma_unused): Likewise.
6256         (darwin_pragma_ms_struct): Likewise.
6257
6258 2006-05-21  David Edelsohn  <edelsohn@gnu.org>
6259
6260         * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6261
6262 2006-05-21  Kazu Hirata  <kazu@codesourcery.com>
6263
6264         PR rtl-optimization/27671
6265         * simplify-rtx.c (simplify_relational_operation_1): Fix
6266         simplifications of (eq/ne (xor x y) y) and
6267         (eq/ne (xor x y) x).
6268
6269         PR tree-optimization/26622.
6270         * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6271         on arg1.
6272
6273 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
6274
6275         * tree-cfg.c: Prune whitespace.
6276         (debug_tree_cfg): Point to correct header containing the
6277         TDF_* defines.
6278
6279 2006-05-21  Bernhard Fischer  <aldot@gcc.gnu.org>
6280
6281         PR middle-end/25776
6282         * cgraphunit.c (verify_cgraph_node): Typo in error message.
6283
6284 2006-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
6285
6286         PR middle-end/25776
6287         * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6288         or sorry count is non zero.
6289
6290 2006-05-20  Andreas Schwab  <schwab@suse.de>
6291
6292         * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6293
6294 2006-05-19  Daniel Berlin  <dberlin@dberlin.org>
6295             Kenneth Zadeck <zadeck@naturalbridge.com>
6296
6297         PR rtl-optimization/26855
6298
6299         * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6300         multiword refs.
6301         (df_scan_alloc): Added code to properly handle multiword hard
6302         registers and add all_blocks parameter.
6303         (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6304         code to properly handle multiword hard registers.
6305         (df_rescan_blocks): Added code to remove deleted blocks from
6306         bitmap.
6307         (df_ref_create_structure, df_ref_record): Added code to properly
6308         handle subregs.
6309         (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6310         and set DF_REF_PARTIAL.
6311         (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6312         (df_uses_record): Added DF_REF_PARTIAL for subreg.
6313         (df_scan_add_problem): Added flags parameter.
6314         (df_ref_create_structure): Changed switching structure.
6315         (df_bb_refs_record): Fixed case where duplicate artificial refs
6316         were created.  Changed location of flags.
6317         (df_record_entry_block_defs): Added code to make stack pointer
6318         live in entry block.  Refined cases where frame pointer is needed.
6319         Changed location of flags.
6320         (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6321         (df_set_state): Removed function.
6322         (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6323         df_insn_create_insn_record, df_insn_refs_delete,
6324         df_ref_create_structure): Formatting changes.
6325         * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6326         df_delete_basic_block): New function.
6327         (df_init): Changed location of flags.
6328         (df_add_problem): Added flags parameter and the way flags are
6329         processed.
6330         (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6331         debug_df_chain): Improved debugging output.
6332         (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6333         (df_refs_chain_dump): Removed df parameter.
6334         (df_iterative_dataflow): Added consistency check.
6335         (df_prune_to_subcfg): Made public.
6336         (df_analyze_problem): Added blocks_to_init parameter and made
6337         public.
6338         (df_ref_record, df_bb_refs_record, df_mark_reg,
6339          df_record_exit_block_uses): Whitespace changes.
6340         (df_dump): Whitespace changes.
6341         * df.h: Some reordering to remove forward references.
6342         (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6343         DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6344         (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6345         (dataflow.flags): New field.
6346         (df.flag): Deleted field.
6347         (df_alloc_function): Added additional bitmap parameter.
6348         (df_dependent_problem_function): New type.
6349         (df_problem.changeable_flags): New field.
6350         (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6351         DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6352         (df_mw_hardreg): New struct.
6353         (DF_INSN_UID_MWS): New macro.
6354         (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6355         parameter.
6356         (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6357         df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6358         df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6359         (df_set_state): Removed function.
6360         (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6361         * df-problems.c (df_chain_dump): Removed df parameter.
6362         (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6363         df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6364         parameter.
6365         (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6366         (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6367         df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6368         Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6369         DF_REF_MUST_CLOBBER cases.
6370         (df_ru_bb_local_compute_process_def,
6371         df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6372         df_lr_bb_local_compute, df_ur_bb_local_compute,
6373         df_chain_create_bb): Made subreg aware.
6374         (df_ru_bb_local_compute, df_rd_bb_local_compute,
6375         df_lr_bb_local_compute, df_lr_bb_local_compute,
6376         df_chain_create_bb): Cleanup to use proper macros.
6377         (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6378         code to fixup bitvectors.
6379         (df_ri_alloc): Cleared lifetime.
6380         (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6381         df_create_unused_note): New function.
6382         (df_ri_bb_compute, df_ri_compute): Added code to create/update
6383         REG_DEAD and REG_UNUSED notes as well as register information.
6384         (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6385         df_chains_dump): Fixed crash if problem was never run.
6386         (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6387         df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6388         df_ri_add_problem): Processes flags in uniform manner.
6389         (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6390         df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6391         df_rd_dump, df_urec_free_bb_info): Formatting changes.
6392         (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6393         df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6394         df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6395         df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6396         df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6397         df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6398         * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6399         * see.c (see_initialize_data): Ditto.
6400         * final.c (rest_of_clean_state) Added regstack_completed.
6401         * rtl.h (regstack_completed): Ditto.
6402         * reg-stack.c (regstack_completed): Ditto.
6403
6404 2006-05-19  Mike Stump  <mrs@apple.com>
6405
6406         * c-tree.h (default_conversion): Remove.
6407         * c-common.h (default_conversion): Add.
6408
6409 2006-05-19  Zdenek Dvorak <dvorakz@suse.cz>
6410
6411         * tree-vrp.c (valid_value_p): New function.
6412         (adjust_range_with_scev): Fail if the value of bound is not
6413         simple.
6414
6415 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
6416
6417         * config/mips/linux-unwind.h: Include <asm/unistd.h>
6418         (mips_fallback_frame_state): Use syscall numbers to determine
6419         the appropriate li instruction for the current ABI.  Only use
6420         __NR_sigreturn for o32.
6421
6422 2006-05-19  Nicolas Setton  <setton@adacore.com>
6423
6424         * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6425         * langhooks.c (lhd_dwarf_name): New function.
6426         * langhooks-def.h (lhd_dwarf_name): Declare.
6427         (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6428         * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6429         * ada/misc.c (gnat_dwarf_name): New function.
6430         (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6431
6432 2006-05-19  Richard Sandiford  <richard@codesourcery.com>
6433
6434         * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6435         libgcc2.h.
6436         (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6437         MIN_UNITS_PER_WORD logic from libgcc2.h.  Do nothing if
6438         LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6439         * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6440         Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6441         determine the size of Wtype, etc.
6442         * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6443         (swfloatfuncs): New variable.
6444         (dwfloatfuncs): Likewise.
6445         (lib2funcs): Remove floating-point conversion functions from
6446         initial assignment.  Use LIB2_SIDITI_CONV_FUNCS to determine
6447         the set of conversion routines needed.  Allow entries to specify
6448         an object name, filename and word size.  Update users accordingly.
6449         * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6450         * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6451
6452         Revert:
6453
6454         2006-02-08  Roger Sayle  <roger@eyesopen.com>
6455
6456         PR target/22209
6457         * config/fixtfdi.c: New libgcc source file.
6458         * config/fixunstfdi.c: New source file.
6459         * config/floatditf.c: New source file.
6460         * config/floatunditf.c: New souce file.
6461         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6462         files above instead of config/mips/_tilib.c.
6463         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6464
6465 2006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6466
6467         * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6468         * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6469
6470 2006-05-18  Mike Stump  <mrs@apple.com>
6471
6472         Fix up vla, vm and [*] sematics.
6473
6474         PR c/18740
6475         PR c/7948
6476         PR c/25802
6477         PR c/27673
6478         * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6479         (c_vla_unspec_p): Add.
6480         (c_vla_type_p): Add.
6481         * c-decl.c (struct c_scope): Add had_vla_unspec.
6482         (build_array_declarator): Add support for [*].
6483         (grokdeclarator): Likewise.
6484         (grokparms): Likewise.
6485         (get_parm_info): Likewise.
6486         * c-objc-common.c (c_vla_unspec_p): Likewise.
6487         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6488         * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6489         typeof when argument is a variably modified type not inside sizeof or alignof.
6490         (c_parser_direct_declarator_inner): Propagate errors.
6491         (c_parser_sizeof_expression): Add support for [*].
6492         (c_parser_parms_declarator): Initialize had_vla_unspec.
6493         (c_parser_parms_list_declarator): Likewise.
6494         * c-typeck.c (c_vla_type_p): Add.
6495         (composite_type): Add support for vla compositing.
6496         (comptypes_internal): Add support for vla compatibility.
6497         (c_expr_sizeof_expr): Evaluate vla arguments.
6498         * tree.c (variably_modified_type_p): Update comment for [*].
6499
6500 2006-05-18  Michael Matz  <matz@suse.de>
6501
6502         PR target/27599
6503         * config.host: Make assignments to host_xmake_file cumulative.
6504         * config.host (*-darwin*): Test $host, not $target.
6505
6506 2006-05-12  Stuart Hastings  <stuart@apple.com>
6507
6508         * config/i386/i386.opt (-mstackrealign): New flag.
6509         * config/i386/i386.c (force_align_arg_pointer): New attribute.
6510         (ix86_handle_cconv_attribute): Emit error when
6511         force_align_arg_pointer attribute collides with too many regparms.
6512         (ix86_function_regparm): Limit regparms when used with
6513         force_align_arg_pointer attribute.  (ix86_internal_arg_pointer):
6514         Support stack-realigning prologue in non-main functions.  Emit
6515         warning for nested functions under -mstackrealign, emit error for
6516         nested functions with force_align_arg_pointer attribute.
6517         * doc/extend.texi (force_align_arg_pointer): Document it.
6518         * doc/invoke.texi (-mstackrealign): Document it.
6519
6520 2006-05-17  Kazu Hirata  <kazu@codesourcery.com>
6521
6522         PR rtl-optimization/27477
6523         * combine.c (try_combine): Don't split a parallel consisting
6524         of two sets into two individual sets if both sets reference
6525         cc0.
6526
6527 2006-05-17  H.J. Lu  <hongjiu.lu@intel.com>
6528
6529         * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6530         * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6531
6532         * doc/options.texi (VarExists): Updated.
6533
6534 2006-05-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6535
6536         * unwind-dw2.c: Add declarations for uw_update_context and
6537         uw_frame_state_for.
6538         * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6539         detected, advance frame state and context once to skip over stub.
6540
6541 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
6542
6543         PR middle-end/20256
6544         PR middle-end/26435
6545         * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6546         Call rewrite_into_loop_closed_ssa only when something changed.
6547         * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6548         * lambda-code.c (can_convert_to_perfect_nest): Declared.
6549         (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6550         Test for perfect_nest_p here.  Fix formating.
6551         (replace_uses_equiv_to_x_with_y): Fix formating.
6552         (stmt_uses_op): Removed.
6553         (can_convert_to_perfect_nest): Removed loopivs parameter.
6554         Complete the test by checking the scalar dependences.
6555         (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6556         Fix formating.
6557
6558 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6559
6560         PR bootstrap/22541
6561         From Dan Kegel <dank@kegel.com>:
6562         * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6563
6564 2006-05-17  Eric Botcazou  <ebotcazou@adacore.com>
6565
6566         * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6567         if the element type is variably modified without recursing.
6568
6569 2006-05-17  Sebastian Pop  <pop@cri.ensmp.fr>
6570
6571         PR middle-end/27332
6572         * tree-loop-linear.c (try_interchange_loops): Test for
6573         no data dependences.
6574
6575 2006-05-17  Zdenek Dvorak <dvorakz@suse.cz>
6576
6577         PR tree-optimization/27548
6578         * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6579         range of ssa names that appear on abnormal edges.
6580         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6581         * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6582
6583 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
6584
6585         PR middle-end/27620
6586         * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6587
6588 2006-05-17  Jakub Jelinek  <jakub@redhat.com>
6589
6590         PR middle-end/27415
6591         * tree.h (OMP_PARALLEL_COMBINED): Define.
6592         * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6593         (new_omp_context): Add is_combined_parallel argument.
6594         (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6595         new_omp_context caller.
6596         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6597         Adjust gimplify_scan_omp_clauses callers.
6598         (omp_is_private): Issue errors if iteration variable is firstprivate
6599         or reduction in the current context.
6600         * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6601         on combined parallel workshare constructs.
6602
6603 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6604
6605         * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6606         (gcc-options.o): New rule.
6607
6608         * optc-gen.awk: Protect variables for gcc-options.o with
6609         #ifdef GCC_DRIVER/#endif.
6610
6611 2006-05-16  Daniel Berlin <dberlin@dberlin.org>
6612
6613         Fix PR tree-optimization/27373
6614         * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6615          (forward_propagate_addr_expr): Update call.
6616
6617 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6618
6619         * doc/options.texi: Move the Negative option.
6620
6621 2006-05-16  Richard Guenther  <rguenther@suse.de>
6622
6623         PR tree-optimization/22303
6624         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6625         from STRING_CSTs.
6626         (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6627         ccp_fold did not simplify the statement.
6628
6629 2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>
6630
6631         PR driver/26885
6632         * Makefile.in (GCC_OBJS): New.
6633         (OBJS-common): Add opts-common.o.
6634         (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6635         (cpp$(exeext)): Likewise.
6636         (gcc.o): Also depend on opts.h.
6637         (opts-common.o): New.
6638
6639         * common.opt (gcoff): Add Negative(gdwarf-2).
6640         (gdwarf-2): Add Negative(gstabs).
6641         (gstabs): Add Negative(gstabs+).
6642         (gstabs+): Add Negative(gvms).
6643         (gvms): Add Negative(gxcoff).
6644         (gxcoff): Add Negative(gxcoff+).
6645         (gxcoff+): Add Negative(gcoff).
6646         * config/i386/i386.opt (m32): Add Negative(m64).
6647         (m64): Add Negative(m32).
6648
6649         * doc/options.texi: Document the Negative option.
6650
6651         * gcc.c: Include "opts.h".
6652         (main): Call prune_options after expandargv.
6653
6654         * optc-gen.awk: Generate common declarations for all flag
6655         variables in options.c. Output the neg_index field.
6656
6657         * opts.c (find_opt): Moved to ...
6658         * opts-common.c: Here. New file.
6659
6660         * opts.h (cl_option): Add a neg_index field.
6661         (find_opt): New.
6662         (prune_options): Likewise.
6663
6664 2006-05-16  Jakub Jelinek  <jakub@redhat.com>
6665
6666         PR middle-end/27573
6667         * omp-low.c (expand_omp_parallel): Don't assert
6668         .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6669         instead search for it.
6670
6671         PR c/27499
6672         * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6673         is signed.
6674
6675 2006-05-16  Andreas Schwab  <schwab@suse.de>
6676
6677         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6678         defmac.
6679
6680 2006-05-15  Roger Sayle  <roger@eyesopen.com>
6681
6682         PR target/26600
6683         * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6684         integer constants other than zero are only legitimate on TARGET_64BIT.
6685         <CONST_VECTOR> Only zero vectors are legitimate.
6686         (ix86_cannot_force_const_mem): Integral and vector constants can
6687         always be put in the constant pool.
6688
6689 2006-05-16  DJ Delorie  <dj@redhat.com>
6690
6691         * crtstuff.c (__dso_handle): Set section from
6692         TARGET_LBIGCC_SDATA_SECTION if defined.
6693         * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6694         * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6695
6696 2006-05-16  Danny Smith  <dannysmith@users.sourceforge.net>
6697
6698         PR target/27599
6699         * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6700         host_xmake_file.
6701
6702 2006-05-16  Ben Elliston  <bje@au.ibm.com>
6703
6704         * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6705
6706 2006-05-15  Per Bothner  <per@bothner.com>
6707
6708         * tree.c: (last_annotated_node): Use source_locus typedef.
6709         This permits bootstrapping with --enable-mapped-location.
6710
6711 2006-05-15  Zdenek Dvorak <dvorakz@suse.cz>
6712
6713         PR tree-optimization/26830
6714         * tree-into-ssa.c (struct ssa_name_info): Add age field.
6715         (info_for_ssa_name, current_info_for_ssa_name_age,
6716         blocks_to_update): New variables.
6717         (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6718         (clear_ssa_name_info, initialize_flags_in_bb,
6719         mark_block_for_update): New functions.
6720         (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6721         (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6722         prepare_def_site_for): Use mark_block_for_update.
6723         (mark_def_interesting): Assert that the processed block is marked in
6724         blocks_to_update.  Do not take blocks argument.
6725         (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6726         argument.
6727         (rewrite_update_init_block, rewrite_update_stmt): Only process
6728         blocks with statements to rewrite.
6729         (delete_update_ssa): Do not clear SSA_NAME_AUX.
6730         (update_ssa): Initialize and free blocks_to_update.  Do not
6731         clear flags on statements.  Do not use blocks bitmap.
6732         * tree.h (SSA_NAME_AUX): Removed.
6733         (struct tree_ssa_name): Removed aux field.
6734         * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6735
6736 2006-05-15  Richard Guenther  <rguenther@suse.de>
6737
6738         PR tree-optimization/27603
6739         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6740         Do computations in original type.
6741
6742 2006-05-15  Mircea Namolaru  <namolaru@il.ibm.com>
6743
6744         * see.c: Code style changes such as redundant paranthesis,
6745         redundant intialization of local variables etc.
6746         (see_main): Declared now as static.
6747         * doc/invoke.texi: Update that -fsee is not enabled by
6748         default at -O3.
6749
6750 2006-05-15  Jakub Jelinek  <jakub@redhat.com>
6751
6752         * omp-low.c (check_omp_nesting_restrictions): New function.
6753         (scan_omp_1): Call it.
6754
6755         PR middle-end/27416
6756         * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6757         construct, return *VAR.
6758
6759 2006-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
6760
6761         PR rtl-optimization/27406
6762         * bt-load.c (migrate_btr_def): Skip the block having abnormal
6763         edges.
6764
6765 2006-05-14  Roger Sayle  <roger@eyesopen.com>
6766
6767         PR rtl-optimization/27538
6768         * combine.c (expand_compound_operation): Call gen_lowpart
6769         before calling simplify_shift_const.
6770
6771 2006-05-14  Roger Sayle  <roger@eyesopen.com>
6772
6773         PR rtl-optimization/22563
6774         * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6775         a fixed width bitfield, always force the intermediates into psuedos.
6776
6777 2006-05-14  Bernhard Fischer  <aldot@gcc.gnu.org>
6778
6779         PR 27501
6780         * mkconfig.sh: Use operator = instead of == for test.
6781
6782 2006-05-13  Nick Clifton  <nickc@redhat.com>
6783
6784         * dwarf2out.c (dbx_reg_number): Check return value from
6785         LEAF_REG_REMAP and only use it if it is valid.
6786         (multiple_reg_loc_descriptor): Likewise.
6787
6788 2006-05-13  Richard Guenther  <rguenther@suse.de>
6789
6790         * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6791         host_xmake_file.
6792
6793 2006-05-13  Steven Bosscher  <stevenb.gcc@gmail.com>
6794
6795         * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6796         information attached to non-INSNs such as NOTEs.
6797         (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6798
6799 2006-05-12  Andreas Krebbel  <krebbel1@de.ibm.com>
6800
6801         * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6802         On contraint.
6803         * config/s390/s390.md: Adjust comment describing On constraint.
6804
6805 2006-05-11  Jan Hubicka  <jh@suse.cz>
6806
6807         * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6808         to be output at -O0.
6809
6810 2006-05-11  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6811
6812         PR middle-end/27384
6813         * fold-const.c (size_binop): Move sanity check for arguments to
6814         the beginning of the function.
6815
6816         PR middle-end/27488
6817         * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6818         expression.
6819
6820 2006-05-11  Richard Guenther  <rguenther@suse.de>
6821
6822         PR middle-end/27529
6823         * fold-const.c (fold_unary): Handle intermediate conversion
6824         to a pointer type like intermediate conversion to an integer
6825         type in folding of (T1)(T2)var to var.
6826         Match the code to the comment in the final conversion for
6827         (T1)(T2)var to (T1)var regarding to type precision.  Rather
6828         than disallow T1 being of pointer type, assert that both T1
6829         and var are of pointer type or not.  Make sure not to fall
6830         over the frontends lazyness wrt array to pointer decay though.
6831
6832 2006-05-10  Richard Earnshaw  <rearnsha@arm.com>
6833
6834         * arm.c (arm_struct_value_rtx): Delete.
6835         (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6836         (arm_init_cumulative_args): Always initialize nregs to zero.
6837
6838 2006-05-10  Richard Guenther  <rguenther@suse.de>
6839
6840         PR tree-optimization/27532
6841         * tree-object-size.c (plus_expr_object_size): Fix typo.
6842
6843 2006-05-10  Kazu Hirata  <kazu@codesourcery.com>
6844
6845         PR target/24949
6846         * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6847         ashrdi_const, ashrdi3): Use a scratch register.
6848
6849 2006-05-10  Richard Guenther  <rguenther@suse.de>
6850
6851         PR tree-optimization/27302
6852         * fold-const.c (operand_equal_p): For two comparisons,
6853         try comparison of one comparison code swapped if that yields
6854         the same code.
6855
6856 2006-05-10  Ben Elliston  <bje@au.ibm.com>
6857
6858         * tree-pretty-print.c (pretty_print_string): No need to handle
6859         '\0' as a special character.
6860
6861         * tree.h: Include "hashtab.h".
6862         (iterative_hash_expr): Use hashval_t in its prototype.
6863         * Makefile.in (TREE_H): Add $(HASHTAB_H).
6864
6865 2006-05-09  Steve Ellcey  <sje@cup.hp.com>
6866
6867         PR bootstrap/26872
6868         * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6869         (hppa*64*-*-hpux11*): Ditto.
6870         (hppa[12]*-*-hpux11*): Ditto.
6871
6872 2006-05-09  David Edelsohn  <edelsohn@gnu.org>
6873
6874         PR target/26545
6875         * config/rs6000/aix41.h (TARGET_64BIT): Define.
6876
6877 2006-05-09  Michael Matz  <matz@suse.de>
6878
6879         * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6880         host_extra_gcc_objs and host_xmake_file.
6881         (<*-*-linux*>): Don't overwrite host_xmake_file.
6882         * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6883         * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6884         (host_detect_local_cpu): Declare.
6885         (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6886         * config/i386/i386.c (override_options): Handle -mtune=native
6887         as -mtune=generic.
6888         * config/i386/x-i386: New file.
6889         * config/i386/driver-i386.c: New file.
6890         * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6891         cpu-type "native".
6892
6893 2006-05-09  Dirk Mueller  <dmueller@suse.de>
6894         Richard Guenther  <rguenther@suse.de>
6895
6896         PR middle-end/27498
6897         * fold-const.c (fold_read_from_constant_string): Relax check
6898         for matching types to matching modes.
6899
6900 2006-05-09  Zdenek Dvorak <dvorakz@suse.cz>
6901
6902         PR rtl-optimization/27335
6903         * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6904         loops.
6905
6906 2006-05-08  Chao-ying Fu  <fu@mips.com>
6907             Richard Sandiford  <richard@codesourcery.com>
6908
6909         * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6910         (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6911         * config/mips/mips.md (UNSPEC_SCC): New constant.
6912         * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6913         * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6914         (mips_emit_compare): Use it.
6915         (mips_expand_vcondv2sf): New function.
6916
6917 2006-05-08  Daniel Berlin  <dberlin@dberlin.org>
6918
6919         Fix PR tree-optimization/27093
6920         * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6921         renaming when they become not-used_alone.
6922
6923 2006-05-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6924
6925         * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6926         relocation and relocation stubs.
6927
6928 2006-05-08  Eric Christopher  <echristo@apple.com>
6929
6930         * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6931         section for ppc.
6932
6933 2006-05-08  Jan Hubicka  <jh@suse.cz>
6934
6935         PR middle-end/24561
6936         * cgraphunit.c (decide_is_function_needed): When not optimizing even
6937         unused static functions are needed.
6938
6939 2006-05-08  Roger Sayle  <roger@eyesopen.com>
6940
6941         PR target/27158
6942         * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6943         of a reg_equiv_constant if the result is a legitimate constant.
6944
6945 2006-05-08  Uros Bizjak  <uros@kss-loka.si>
6946
6947         PR target/27277
6948         * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6949         standard 80387 constants, raise the cost to prevent
6950         compress_float_constant() to generate load from memory.
6951
6952 2006-05-08  Kazu Hirata  <kazu@codesourcery.com>
6953
6954         * config/arm/constraints.md (c): Fix a typo.
6955
6956         * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6957         typos.
6958
6959 2006-05-07  H.J. Lu  <hongjiu.lu@intel.com>
6960
6961         PR target/24879
6962         * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6963         inline function.
6964         (_mm_mwait): Likewise.
6965
6966         * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6967         "mwait".
6968         (sse3_monitor): Make it 32bit only.
6969         (sse3_monitor64): New. 64bit monitor.
6970
6971 2006-05-07  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6972
6973         PR target/27421
6974         * config/i386/i386.c (classify_argument): Skip fields with invalid
6975         types.
6976
6977 2006-05-07  Richard Guenther  <rguenther@suse.de>
6978
6979         PR tree-optimization/27409
6980         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6981         Do not try to find zero-sized subvars.
6982
6983 2006-05-07  Richard Guenther  <rguenther@suse.de>
6984
6985         PR tree-optimization/27136
6986         * tree-ssa-loop-niter.c (get_val_for): Correct function
6987         comment, assert requirements.
6988         (loop_niter_by_eval): Stop processing if the iterated
6989         value did not simplify.
6990
6991 2006-05-07  Mircea Namolaru  <namolaru@il.ibm.com>
6992
6993         * opts.c (flag_see): remove its setting at -O3.
6994
6995 2006-05-07  Richard Earnshaw  <rearnsha@arm.com>
6996
6997         * genpeep.c (main): Make insn-peep.c depend on flags.h.
6998         * arm/constraints.md: New file.
6999         * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7000         (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7001         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7002         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7003         (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7004         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7005         * arm.md: Include constraints.md.
7006         (thumb_movsi_insn): Use satisfies_constraint_J.
7007         (movhi, movqi): Use satisfies_constraint_I.
7008
7009 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7010
7011         * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7012         for atmeg a645 device.
7013
7014 2006-05-06   Richard Guenther  <rguenther@suse.de>
7015
7016         PR tree-optimization/27151
7017         * tree-vect-transform.c (vectorizable_condition): Punt on
7018         values that have a different type than the condition.
7019
7020 2006-05-03  Aldy Hernandez  <aldyh@redhat.com>
7021
7022         PR/21391
7023         * c-parser.c (c_parser_cast_expression): Only insert casts into
7024         hash table if pointer.
7025         * function.c (used_types_insert_helper): Rename from
7026         used_types_insert.
7027         (used_types_insert): Call used_types_insert_helper.
7028         * function.h (used_types_insert): Accept only one argument.
7029
7030 2006-05-05  David Edelsohn  <edesohn@gnu.org>
7031
7032         * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7033         scratch with output modifier.
7034
7035 2006-05-04  David Edelsohn  <edelsohn@gnu.org>
7036
7037         PR target/26481
7038         * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7039         with output modifier.
7040
7041 2006-05-04  Richard Sandiford  <richard@codesourcery.com>
7042
7043         PR target/26765
7044         * config/mips/mips.c (mips_symbolic_address_p): Return true
7045         for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7046         SYMBOL_GOTTPREL, and SYMBOL_TLS.
7047
7048 2006-05-04  Richard Guenther  <rguenther@suse.de>
7049
7050         PR tree-optimization/14287
7051         PR tree-optimization/14844
7052         PR tree-optimization/19792
7053         PR tree-optimization/21608
7054         PR tree-optimization/27090
7055         * tree-ssa-pre.c (try_combine_conversion): New function.
7056         (compute_avail): After constructing the value-handle
7057         expression, use try_combine_conversion to combine NOP_EXPRs
7058         with previous value-handle expressions and use the result if it
7059         is available.
7060
7061 2006-05-04  Joseph S. Myers  <joseph@codesourcery.com>
7062
7063         * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7064
7065 2006-05-04  Jan Hubicka  <jh@suse.cz>
7066
7067         PR middle-end/25962
7068         * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7069
7070 2006-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
7071
7072         * config/bfin/predicates.md (const01_rtx): Tell generator programs
7073         that this only matches CONST_INTs.  All users changed to VOIDmode
7074         operands.
7075
7076         * config/bfin/bfin.c: Include "optabs.h".
7077         (bfin_rtx_costs): Some costs for vector operations, to allow combine
7078         to do more work.
7079         (enum bfin_builtins): Add a number of fractional and vector builtins.
7080         (bfin_init_builtins): Likewise.
7081         (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7082         (safe_vector_operand, bfin_expand_binop_builtin,
7083         bfin_expand_unop_builtin): New functions.
7084         (bfin_expand_builtin): Handle the new builtins.
7085         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7086         __ADSPBLACKFIN__.
7087
7088 2006-05-04  Leehod Baruch  <leehod@il.ibm.com>
7089
7090         * see.c: New file.
7091         * Makefile.in (OBJS-common): Add see.o.
7092         (see.o): Add dependencies.
7093         * common.opt (fsee): New flag for the see optimization was added.
7094         * opts.c (flag_see): Initialized.
7095         * passes.c (init_optimization_passes, pass_see): New pass.
7096         * rtl.h (see_main): Declaration as extern.
7097         * timevar.def (TV_SEE): New.
7098         * tree-pass.h (pass_see): Declaration as extern.
7099         * invoke.texi (-fsee): Document.
7100         * recog.c (validate_simplify_insn): New function.
7101         * recog.h (validate_simplify_insn): Declaration as extern.
7102         * df-problems.c (df_chain_dump): Check for NULL.
7103
7104 2006-05-04  Kenneth Zadeck <zadeck@naturalbridge.com>
7105             Daniel Berlin  <dberlin@dberlin.org>
7106
7107         * cfgrtl.c (insert_insn_bb_end_new): New function.
7108         * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7109
7110 2006-05-04  Leehod Baruch  <leehod.baruch@weizmann.ac.il>
7111
7112         * df.h (struct web_entry): Moved from web.c.
7113         (union_defs): Declaration as extern.
7114         (unionfind_root): Likewise.
7115         (unionfind_union): Likewise.
7116         * web.c (struct web_entry): Moved to df.h.
7117         (unionfind_root): Remove static declaration.
7118         (unionfind_union): Likewise.
7119         (union_defs): Likewise and generalize to use callback function.
7120         (web_main): Update arguments for union_defs function call.
7121
7122 2006-05-04  Richard Guenther  <rguenther@suse.de>
7123
7124         PR tree-optimization/26447
7125         * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7126         produce SSA_NAME copies before the store stmt to avoid
7127         breaking exception handling.
7128
7129 2006-05-04  Jakub Jelinek  <jakub@redhat.com>
7130
7131         PR middle-end/27388
7132         * gimplify.c (omp_is_private): If var is shared in some outer context,
7133         return false instead of true.  Stop searching on parallel context
7134         boundary.
7135
7136 2006-05-03  Alexandre Oliva  <aoliva@redhat.com>
7137
7138         PR java/8260
7139         * coverage.c: Use get_gcov_unsigned_t() instead of
7140         unsigned_type_node all over.
7141
7142 2006-05-02  Andrew MacLeod  <amacleod@redhat.com>
7143
7144         PR tree-optimization/27381
7145         * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7146         maintain the same immediate_use links.
7147         * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7148         node rather than segfaulting.
7149
7150 2006-05-03  Jakub Jelinek  <jakub@redhat.com>
7151
7152         PR fortran/27395
7153         * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7154         rather than TREE_CODE to OMP_CLAUSE_REDUCTION.  Set also GOVD_SEEN
7155         bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7156
7157 2006-05-02  Daniel Berlin  <dberlin@dberlin.org>
7158
7159         Fix PR tree-optimization/26626
7160         * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7161         always.
7162         * tree-ssa-operands.c (access_can_touch_variable): Allow
7163         typecasting through union pointers.
7164
7165 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
7166
7167         PR c++/26943
7168         * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7169         (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7170         to find if var will be a global variable even in the nested context.
7171         (omp_copy_decl): Only check for global variable at the end, it might
7172         be overridden in outer contexts.
7173         (scan_sharing_clauses): For global variables don't create a field.
7174         (lower_rec_input_clauses): Do nothing for global shared variables.
7175         Emit a barrier at the end of ILIST if there were any decls in both
7176         firstprivate and lastprivate clauses.
7177         (lower_send_clauses): Do nothing for global variables except for
7178         COPYIN.
7179
7180 2006-05-02  Zdenek Dvorak <dvorakz@suse.cz>
7181
7182         * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7183         of the correct signedness is returned.
7184
7185 2006-05-02  Jeff Law  <law@redhat.com>
7186
7187         PR tree-optimization/27364
7188         * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7189         multiply expressions.
7190
7191 2006-05-02  Tom Tromey  <tromey@redhat.com>
7192
7193         * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7194
7195 2006-05-02  Kazu Hirata  <kazu@codesourcery.com>
7196
7197         PR target/27387
7198         * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7199         -mthumb -fPIC are used.
7200
7201 2006-05-02  Stanislaw Skowronek  <skylark@linux-mips.org>
7202             Joshua Kinard  <kumba@gentoo.org>
7203
7204         PR target/25871
7205         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7206         with 64-bit pointers.
7207
7208 2006-05-02  Paul Brook  <paul@codesourcery.com>
7209
7210         * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7211         and pool overlap.
7212         (create_fix_barrier): Check that a suitable barrier location is
7213         found.
7214         (arm_reorg): Include ftmp->address in allowable range of addresses.
7215
7216 2006-05-02  David Billinghurst <David.Billinghurst@riotinto.com>
7217
7218         PR ada/27366
7219         * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7220         on Cygwin.
7221
7222 2006-05-02  Jakub Jelinek  <jakub@redhat.com>
7223
7224         PR middle-end/27337
7225         * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7226         around RESULT_DECL for result passed by reference.
7227         (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7228         * omp-low.c (use_pointer_for_field): Don't look at
7229         DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7230         (scan_omp_1): Call remap_decl on RESULT_DECLs.
7231         (lower_rec_input_clauses): Don't allocate VLA memory for the second
7232         time or var for passing by reference for
7233         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses.  Allow creation of
7234         TREE_ADDRESSABLE variables when passing by reference.
7235
7236         * omp-low.c (dump_omp_region): Fix output formatting.
7237
7238         PR middle-end/27328
7239         * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7240         (expand_omp_parallel): Likewise.
7241         * tree-cfg.c (move_sese_region_to_fn): Likewise.
7242
7243         PR middle-end/27325
7244         * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7245         on statement list containing also constructors and destructors.
7246         (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7247
7248         PR middle-end/27310
7249         * except.c (duplicate_eh_regions): Fix clearing of
7250         cfun->eh->region_array entries.
7251
7252 2006-05-01  DJ Delorie  <dj@redhat.com>
7253
7254         * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7255         build!=host.
7256         (gcc_cv_objdump): Likewise.
7257         * configure: Regenerated.
7258
7259 2006-05-01  Kazu Hirata  <kazu@codesourcery.com>
7260
7261         PR target/27374
7262         * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7263         templates for case 3 and 4.
7264
7265 2006-05-01  DJ Delorie  <dj@redhat.com>
7266
7267         * vec.c: Include bconfig.h when appropriate.
7268         * Makefile.in (build/vec.o): Adjust dependencies.
7269         * mkconfig.sh: Make sure config.h isn't used for build machine
7270         compiles.
7271
7272 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7273
7274         * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7275         variables.
7276         (mark_phi_for_rewrite): New function.
7277         (insert_phi_nodes_for, mark_use_interesting): Call
7278         mark_phi_for_rewrite.
7279         (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7280         (update_ssa): Initialize and free phis_to_rewrite.
7281
7282 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7283
7284         PR rtl-optimization/27291
7285         * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7286         folded to a constant.
7287
7288 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7289
7290         PR tree-optimization/27283
7291         * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7292         not whole # of iteration descriptions.
7293         (niter_for_exit): Return just # of iterations.  Fail if # of iterations
7294         uses abnormal ssa name.
7295         (niter_for_single_dom_exit): Ditto.
7296         (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7297         return just the number of iterations.
7298
7299 2006-05-01  Zdenek Dvorak <dvorakz@suse.cz>
7300
7301         PR tree-optimization/27144
7302         * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7303         (record_estimate): Only record constant upper bound.
7304         (infer_loop_bounds_from_undefined): Call
7305         compute_estimated_nb_iterations just once.
7306         (proved_non_wrapping_p): Renamed to ...
7307         (n_of_executions_at_most): ... this.  Expect bound to be a constant.
7308         (convert_step_widening, scev_probably_wraps_p): Call
7309         n_of_executions_at_most instead of proved_non_wrapping_p.
7310         (substitute_in_loop_info): Do not replace values in bounds.
7311         * cfgloop.h (struct nb_iter_bound): Remove "additional" field.  Update
7312         comments.
7313
7314 2006-05-01  Richard Henderson  <rth@redhat.com>
7315
7316         PR c/27358
7317         * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7318         c_parser_skip_to_pragma_eol.  Convert to switch statement.  Handle
7319         CPP_PRAGMA.
7320
7321 2006-05-01  Roger Sayle  <roger@eyesopen.com>
7322
7323         * c-typeck.c (parser_build_binary_op): Don't call the function
7324         unsigned_conversion_warning to spot operand/result type overflow.
7325         (build_binary_op): Instead, call convert_and_check instead of
7326         convert to report the problem when the operands are promoted.
7327         * c-common.c (unsigned_conversion_warning): Make static.
7328         * c-common.h (unsigned_conversion_warning): Delete prototype.
7329
7330 2006-05-01  Richard Guenther  <rguenther@suse.de>
7331
7332         PR tree-optimization/26726
7333         * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7334         problem ...
7335         (find_interesting_uses_address): ... we work around here
7336         by folding INDIRECT_REFs in the substituted base.
7337
7338 2006-05-01  Diego Novillo  <dnovillo@redhat.com>
7339
7340         * omp-low.c (dump_omp_region): Add newlines.
7341
7342 2006-04-30  Roger Sayle  <roger@eyesopen.com>
7343
7344         * common.opt (Woverflow): New command line option.
7345         * c-common.c (constant_expression_warning): Check warn_overflow.
7346         (overflow_waring): Pass OPT_Woverflow to warning.
7347         (unsigned_conversion_warning): Likewise.
7348         (convert_and_check): Likewise.
7349         * doc/invoke.texi: Document new command line option.
7350
7351 2006-04-30  David Edelsohn  <edelsohn@gnu.org>
7352
7353         * config/rs6000/rs6000.c (rs6000_override_options): Enable
7354         TARGET_NO_FP_IN_TOC for section anchors.
7355         (optimization_options): Enable section anchors for all
7356         non-"Objective" languages.
7357
7358 2006-04-28  Eric Christopher  <echristo@apple.com>
7359
7360         * config/darwin-c.c (darwin_ms_struct): Move this
7361         (darwin_set_default_type_attributes): and this...
7362         * config/darwin.c: ... here.
7363         * config/darwin.h (darwin_ms_struct): Declare.
7364
7365 2006-04-28  Andrew MacLeod  <amacleod@redhat.com>
7366
7367         * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7368
7369 2006-04-28  Roger Sayle  <roger@eyesopen.com>
7370
7371         PR c/25309
7372         * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7373         (push_array_bounds): Delete prototype.  Change BOUNDS argument to
7374         an unsigned HOST_WIDE_INT.
7375         (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7376         array index.
7377         (really_start_incremental_init): No need to call convert because
7378         bitsize_zero_node is already of type bitsizetype.
7379         (push_init_level): Extract the value of constructor_index as an
7380         unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7381         (process_init_element): Likewise.
7382
7383 2006-04-28  Joseph S. Myers  <joseph@codesourcery.com>
7384
7385         * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7386         value before passing to make_relative_prefix.
7387
7388 2006-04-28  Alan Modra  <amodra@bigpond.net.au>
7389
7390         PR middle-end/27260
7391         * builtins.c (expand_builtin_memset): Expand val in original mode.
7392
7393 2006-04-27  Eric Christopher  <echristo@apple.com>
7394
7395         * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7396         with #ifndef/#endif.
7397         * config/darwin-c.c (darwin_ms_struct): New.
7398         (darwin_pragma_ms_struct): Ditto.
7399         (darwin_set_default_type_attributes): Ditto.
7400         * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7401         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7402         Register ms_struct pragma.
7403         * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7404         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7405         * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7406         darwin_set_default_type_attributes if TARGET_MACHO.
7407
7408 2006-04-27  Andrew MacLeod  <amacleod@redhat.com>
7409
7410         PR tree-optimization/26854
7411         * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7412         * doc/tree-ssa.texi: Update immuse iterator documentation.
7413         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7414         * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7415         * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7416         first_safe_imm_use, next_safe_imm_use): Remove.
7417         (end_imm_use_stmt_p): New.  Check for end of immuse stmt traversal.
7418         (end_imm_use_stmt_traverse): New.  Terminate immuse stmt traversal.
7419         (move_use_after_head): New.  Helper function to sort immuses in a stmt.
7420         (link_use_stmts_after): New.  Link all immuses in a stmt consescutively.
7421         (first_imm_use_stmt): New.  Get first stmt in an immuse list.
7422         (next_imm_use_stmt): New.  Get next stmt in an immuse list.
7423         (first_imm_use_on_stmt): New.  Get first immuse on a stmt.
7424         (end_imm_use_on_stmt_p): New.  Check for end of immuses on a stmt.
7425         (next_imm_use_on_stmt): New.  Move to next immuse on a stmt.
7426         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7427         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7428         (perfect_nestify): Use new iterator.
7429         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7430         iterator.
7431         * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7432         (next_imm_name): New field in struct immediate_use_iterator_d.
7433         (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7434         (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7435         FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7436         * tree-cfg.c (replace_uses_by): Use new iterator.
7437         * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7438         * tree-ssa-operands.c (correct_use_link): Remove.
7439         (finalize_ssa_use_ops): No longer call correct_use_link.
7440
7441 2006-04-27  Stuart Hastings  <stuart@apple.com>
7442
7443         * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7444         * config/t-darwin (crt3.o): Use it.
7445         * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7446         'pmode', use Pmode instead of SImode for SYMBOL_REF.
7447         * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7448         call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7449         call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7450         support.
7451
7452 2006-04-27  Roger Sayle  <roger@eyesopen.com>
7453
7454         * expmed.c (store_fixed_bit_field): If we're not optimizing for
7455         size, force the intermediate into a new pseudo rather instead of
7456         performing both a bitwise AND and a bitwise IOR in memory.
7457
7458 2006-04-27  Richard Guenther  <rguenther@suse.de>
7459
7460         PR rtl-optimization/26685
7461         * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7462         this one "max-flow-memory-locations".
7463
7464 2006-04-27  Richard Guenther  <rguenther@suse.de>
7465
7466         PR tree-optimization/25148
7467         * tree-vrp.c (compare_values): Remove code dealing with
7468         comparisons against type min/max value.  Honour overflow
7469         and negative constants in code dealing with comparisons
7470         of plus and minus expressions.
7471         (value_inside_range): Use fold_binary with LE_EXPR and
7472         GE_EXPR rather than compare_values.
7473
7474 2006-04-27  Dirk Mueller  <dmueller@suse.de>
7475
7476         * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7477         prototype for SSE.
7478
7479 2006-04-26  Kenneth Zadeck <zadeck@naturalbridge.com>
7480
7481         * basic-block.h (safe_insert_insn_on_edge): Removed.
7482         * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7483
7484 2006-04-26  David Edelsohn  <edelsohn@gnu.org>
7485             Paolo Bonzini  <bonzini@gnu.org>
7486
7487         PR middle-end/27282
7488         * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7489         (simplify_and_const_int): Same.
7490
7491 2006-04-26  Aldy Hernandez  <aldyh@redhat.com>
7492
7493         * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7494
7495 2006-04-26  Jakub Jelinek  <jakub@redhat.com>
7496
7497         PR c/26171
7498         * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7499         cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7500         cgraph_global_info_ready.
7501
7502         PR middle-end/26913
7503         * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7504
7505         PR c/25996
7506         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7507         either decl or init is error_mark_node.
7508
7509         PR middle-end/25989
7510         * tree-flow.h (struct omp_region): Add sched_kind.
7511         * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7512         instead of extracting omp for data.
7513         (expand_omp_for): Save extracted sched_kind.
7514
7515 2006-04-25  Roger Sayle  <roger@eyesopen.com>
7516
7517         * expmed.c (store_bit_field): Also check whether the bitsize is
7518         valid for the machine's "insv" instruction before moving the
7519         target into a pseudo for use with the insv.
7520         * config/i386/predicates.md (const8_operand): New predicate.
7521         * config/i386/i386.md (extv, extzv, insv): Use the new
7522         const8_operand predicate where appropriate.
7523
7524 2006-04-25  DJ Delorie  <dj@redhat.com>
7525
7526         * doc/install.texi (Specific): Clarify that this is not a list of
7527         supported hosts or targets.
7528
7529 2006-04-25  Richard Sandiford  <richard@codesourcery.com>
7530
7531         PR rtl-optimization/26725
7532         * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7533         block's BB_DIRTY flag.
7534
7535 2006-04-25  Geoffrey Keating  <geoffk@apple.com>
7536
7537         * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7538         are no branches.
7539
7540         * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7541         to print an integer.
7542
7543 2006-04-25  David Edelsohn  <edelsohn@gnu.org>
7544
7545         * varasm.c (align_variable): New function.
7546         (get_block_for_decl): Apply align_variable to DECL before
7547         calculating section information.
7548         (assemble_variable): Split out alignment computation.
7549
7550 2006-04-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7551
7552         * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7553         machines.
7554
7555 2006-04-25  Bernd Schmidt  <bernd.schmidt@analog.com>
7556
7557         * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7558         MODE_PARTIAL_INT mode.
7559         * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7560         * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7561         for CONST_INTs.
7562         (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7563         * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7564         V2PDImode.
7565         * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7566         New predicates.
7567         * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7568         New constants.
7569         (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7570         MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7571         MACFLAG_IH): Likewise.
7572         (movstricthi_1): Renamed from "*movstricthi".
7573         (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7574         ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7575         abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7576         movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7577         movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7578         movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7579         addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7580         sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7581         addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7582         mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7583         ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7584         flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7585         flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7586         flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7587         flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7588
7589         * doc/rtl.texi (ss_ashift): Improve wording.
7590
7591 2006-04-24  Geoffrey Keating  <geoffk@apple.com>
7592
7593         * dwarf2out.c (verify_marks_clear): New.
7594         (prune_unused_types): Call verify_marks_clear initially, not
7595         prune_unmark_dies.
7596
7597 2006-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
7598
7599         * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7600         * doc/rtl.texi: Document them.
7601         * simplify-rtx.c (simplify_unary_operation,
7602         simplify_binary_operation_1): Don't abort when we see them.
7603
7604 2006-04-24  Mark Mitchell  <mark@codesourcery.com>
7605
7606         Revert:
7607         2006-04-23  Mark Mitchell  <mark@codesourcery.com>
7608         * configure.ac: Completely disregard languages that are not
7609         enabled.
7610         * configure: Regenerated.
7611
7612 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
7613         Richard Guenther  <rguenther@suse.de>
7614
7615         PR tree-optimization/27236
7616         * tree-inline.c (copy_body_r): Make sure to copy
7617         TREE_THIS_VOLATILE flag.
7618
7619 2006-04-24  Richard Guenther  <rguenther@suse.de>
7620
7621         PR middle-end/26869
7622         * tree-complex.c (update_parameter_components): Don't handle
7623         unused parameters which have no default def.
7624
7625 2006-04-24  Andrew Pinski  <pinskia@gcc.gnu.org>
7626         Richard Guenther  <rguenther@suse.de>
7627
7628         PR tree-optimization/27218
7629         * tree-inline.c (expand_call_inline): Strip useless type
7630         conversions for the return slot address.
7631
7632 2006-04-24  Richard Guenther  <rguenther@suse.de>
7633
7634         * cfgloop.h (struct loops): Remove unused field array.  Reorder
7635         state after num.
7636         (LOOP_PREFETCH): Remove.
7637
7638 2006-04-24  Richard Guenther  <rguenther@suse.de>
7639
7640         PR tree-optimization/22525
7641         * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7642         variable, adjust types of generated expressions.
7643
7644 2006-04-23  H.J. Lu  <hongjiu.lu@intel.com>
7645
7646         * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7647         (tree-vect-patterns.o): Likewise.
7648         (jump.o): Likewise.
7649         (cselib.o): Likewise.
7650         (loop-doloop.o): Likewise.
7651         (regclass.o): Likewise.
7652         (reload1.o): Likewise.
7653         (explow.o): Replace target.h with $(TARGET_H).
7654         (ipa-prop.o): Likewise.
7655         (ipa-cp.o): Likewise.
7656         (ipa-inline.o): Likewise.
7657         (reorg.o): Likewise.
7658         (reg-stack.o): Likewise.
7659
7660 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
7661
7662         * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7663
7664 2006-04-23  Mark Mitchell  <mark@codesourcery.com>
7665
7666         * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7667
7668         * configure.ac: Completely disregard languages that are not
7669         enabled.
7670         * configure: Regenerated.
7671
7672         PR c++/26534
7673         * c-common.h (c_build_bitfield_integer_type): Declare.
7674         * c-decl.c (c_build_bitfield_integer_type): Move to ...
7675         * c-common.c (c_build_bitfield_integer_type): ... here.
7676
7677 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7678
7679         PR target/21283
7680         * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7681         a SImode SUBREG of a floating point register after no_new_pseudos.
7682
7683 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7684
7685         * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7686         identify potentially eliminable registers to additionally catch
7687         VIRTUAL_INCOMING_ARGS_REGNUM.
7688         (addsi3): Update the conditions on when to use addsi_small_int.
7689
7690 2006-04-23  Roger Sayle  <roger@eyesopen.com>
7691
7692         PR target/16641
7693         * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7694         STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7695         rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7696
7697 2006-04-23  Eric Botcazou  <ebotcazou@adacore.com>
7698
7699         * fold-const.c (range_predecessor): Use operand_equal_p
7700         as the predicate for equality.
7701         (range_successor): Likewise.
7702
7703 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
7704
7705         Revert:
7706         * config/soft-fp/op-common.h: Fix a typo.
7707
7708 2006-04-22  Frank Ch. Eigler  <fche@redhat.com>
7709
7710         PR libmudflap/26864
7711         * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7712         * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7713
7714 2006-04-22  Kazu Hirata  <kazu@codesourcery.com>
7715
7716         * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7717         Fix comment typos.
7718         * doc/tm.texi: Fix a typo.
7719
7720 2006-04-21  Geoffrey Keating  <geoffk@apple.com>
7721
7722         * dwarf2out.c (struct die_struct): Document that die_sib makes
7723         a circular linked list.
7724         (FOR_EACH_CHILD): New.
7725         (reverse_die_lists): Delete.
7726         (reverse_all_dies): Delete.
7727         (add_dwarf_attr): Correct documentation.
7728         (remove_child_with_prev): New.
7729         (remove_child_TAG): Update for change to die_struct, use
7730         remove_child_with_prev.
7731         (add_child_die): Update for change to die_struct.
7732         (splice_child_die): Use remove_child_with_prev and add_child_die.
7733         (print_die): Use FOR_EACH_CHILD.
7734         (die_checksum): Likewise.
7735         (assign_symbol_names): Likewise.
7736         (output_location_lists): Likewise.
7737         (build_abbrev_table): Likewise.
7738         (calc_die_sizes): Likewise.
7739         (mark_dies): Likewise.
7740         (unmark_dies): Likewise.
7741         (unmark_all_dies): Likewise.
7742         (output_die): Likewise.
7743         (prune_unused_types_mark): Likewise.
7744         (prune_unused_types_walk): Likewise.
7745         (same_die_p): Update for change to die_struct.
7746         (break_out_includes): Likewise.
7747         (prune_unused_types_prune): Likewise.
7748         (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7749         (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7750         it's already clear.
7751         (dwarf2out_finish): Don't call reverse_all_dies.
7752
7753 2006-04-21  Eric Christopher  <echristo@apple.com>
7754
7755         * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7756         in comments and function names.
7757
7758 2006-04-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7759
7760         PR c/25875
7761         * c-typeck.c (digest_init): Robustify.
7762
7763         * c-typeck.c (pop_init_level): Simplify.
7764
7765 2006-04-21  Steve Ellcey  <sje@cup.hp.com>
7766
7767         * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7768
7769 2006-04-21  Paul Brook  <paul@codesourcery.com>
7770
7771         * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7772         hardware floating point.
7773
7774 2006-04-21  David Edelsohn  <edelsohn@gnu.org>
7775
7776         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7777         NON_FLOAT_REGS.
7778
7779 2006-04-21  Nick Clifton  <nickc@redhat.com>
7780
7781         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7782         OPT_EXTRA_PARTS.
7783
7784 2006-04-21  Alan Modra  <amodra@bigpond.net.au>
7785
7786         PR target/27230
7787         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7788         C++ lang type in traceback table for Objective-C++.
7789
7790         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7791
7792 2006-04-20  H.J. Lu  <hongjiu.lu@intel.com>
7793
7794         * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7795
7796 2006-04-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7797
7798         PR mudflap/26789
7799         * tree-mudflap.c (mudflap_finish_file): Skip function when there
7800         were errors.  Remove check for erroneous objects.
7801
7802 2006-04-20  Jeff Law  <law@redhat.com>
7803
7804         PR tree-optimization/26854
7805         * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7806         checking for zero or one use.
7807         * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7808         * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7809         * tree-ssa-reassoc.c (negate_value): Similarly.
7810         (reassociate_bb): Similarly.
7811
7812 2006-04-20  Jakub Jelinek  <jakub@redhat.com>
7813
7814         * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7815         TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7816         than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7817
7818 2006-04-20  Alan Modra  <amodra@bigpond.net.au>
7819
7820         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7821         fp regs if the last fp arg doesn't fit in regs.
7822
7823 2006-04-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7824
7825         PR target/27182
7826         * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7827         that the last insn has the REG_INC note.
7828
7829 2006-04-19  Carlos O'Donell  <carlos@codesourcery.com>
7830             Nathan Sidwell  <nathan@codesourcery.com>
7831
7832         PR c/26774
7833         * stor-layout.c (update_alignment_for_field): Do not align
7834         ERROR_MARK nodes.
7835         (place_union_field): Place union field at the start of the union.
7836         (place_field): Move ERROR_MARK check later, and use the current
7837         allocation position to maintain monotonicity.
7838
7839 2006-04-19  Zdenek Dvorak <dvorakz@suse.cz>
7840
7841         * dominance.c: Include timevar.h.
7842         (calculate_dominance_info): Use TV_DOMINANCE.
7843         * timevar.def (TV_DOMINANCE): New timevar.
7844         * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7845
7846 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7847
7848         PR rtl-optimization/14261
7849         * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7850         move would be an INSV insn.
7851         (noce_process_if_block): Don't optimize if the destination is a
7852         ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7853
7854 2006-04-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7855
7856         * config/s390/s390.md: Add comments with the instructions emitted
7857         by an insn pattern if macros are used.
7858
7859 2006-04-19  Alan Modra  <amodra@bigpond.net.au>
7860
7861         PR rtl-optimization/26026
7862         * fold-const.c (fold_binary): Optimize div and mod where the divisor
7863         is a known power of two shifted left a variable amount.
7864
7865 2006-04-18  Geoffrey Keating  <geoffk@apple.com>
7866
7867         * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7868         to hash table twice when the debug_str section has SECTION_MERGE.
7869
7870 2006-04-18  Joseph S. Myers  <joseph@codesourcery.com>
7871
7872         * config/soft-fp: New directory.  From glibc.
7873         * config/soft-fp/t-softfp: New.
7874         * config/soft-fp/README: New.
7875         * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7876         * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7877         (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7878         (LIBGCC_DEPS): Add $(SFP_MACHINE).
7879         * config.gcc: Use rs6000/t-fprules-fpbit or
7880         rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7881         rs6000/t-fprules.
7882         * config/rs6000/sfp-machine.h: New.  Based on glibc.
7883         * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7884         New.
7885         * config/rs6000/t-fprules: Remove fp-bit rules.
7886         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7887         * config/rs6000/t-linux64: Likewise.  Remove duplicates from
7888         LIB2FUNCS_EXTRA.  Remove fp-bit rules.
7889         (softfp_wrap_start, softfp_wrap_end): New.
7890
7891 2006-04-18  DJ Delorie  <dj@redhat.com>
7892
7893         * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7894
7895 2006-04-18  Devang Patel  <dpatel@apple.com>
7896
7897         * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7898
7899 2006-04-18  Nick Clifton  <nickc@redhat.com>
7900
7901         * config/sh/t-symbian: Add rule to build sh-c.o
7902         * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7903         of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7904         (sh_symbian_encode_section_info): Likewise.
7905
7906 2006-04-18  Andreas Krebbel  <krebbel1@de.ibm.com>
7907
7908         * builtins.c (expand_builtin_strcmp): Cover label definition of
7909         do_libcall with HAVE_cmpstrnsi.
7910
7911 2006-04-18  Kazu Hirata  <kazu@codesourcery.com>
7912
7913         * function.c (temp_slots_at_level, max_slot_level): Use VEC
7914         instead of VARRAY.
7915         * function.h (temp_slot_p): New.
7916         (function): Change the type of x_used_temp_slots to
7917         VEC(temp_slot_p,gc) *.
7918
7919 2006-04-18  Nick Clifton  <nickc@redhat.com>
7920
7921         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7922         flag_strength_reduce.
7923
7924         * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7925
7926 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
7927
7928         PR target/27117
7929
7930         Partial revert of revision 112637
7931         2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
7932                     Dale Johannesen  <dalej@apple.com>
7933
7934         PR target/19653
7935         * regclass.c (struct reg_pref): Update documentation.
7936         (regclass): Set prefclass to NO_REGS if memory is the best option.
7937         (record_reg_classes): Cope with a prefclass set to NO_REGS.
7938
7939 2006-04-18  Paolo Bonzini  <bonzini@gnu.org>
7940
7941         PR tree-optimization/26821
7942         * tree-ssa-math-opts.c (get_constant_one): New.
7943         (insert_reciprocals): Use it.
7944
7945 2006-04-17  Geoffrey Keating  <geoffk@apple.com>
7946
7947         * dwarf2out.c (free_AT): Delete.
7948         (remove_AT): Update string ref counts.
7949         (remove_child_TAG): Don't call free_die.
7950         (free_die): Delete.
7951         (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7952         or DW_TAG_GNU_EINCL.
7953         (prune_unused_types_walk_attribs): Reset string refcounts.
7954         (prune_unused_types_update_strings): New.
7955         (prune_unused_types_prune): Don't make unnecessary stores.  Don't
7956         call free_die.  Do call prune_unused_types_update_strings.
7957         (prune_unused_types): Empty debug_str_hash.
7958
7959 2006-04-17  Roger Sayle  <roger@eyesopen.com>
7960
7961         * expr.c (expand_assignment): Optimize away no-op moves where the
7962         source and destination are equal and have no side-effects.
7963
7964 2006-04-17  Richard Guenther  <rguenther@suse.de>
7965
7966         PR target/26826
7967         * reload.c (push_reload): Guard calls to get_secondary_mem
7968         for memory subregs.
7969
7970 2006-04-16  Kazu Hirata  <kazu@codesourcery.com>
7971
7972         * alias.c (reg_base_value, old_reg_base_value): Change the
7973         type to VEC(rtx,gc) *.
7974         (REG_BASE_VALUE, find_base_value, record_set,
7975         init_alias_analysis): Use VEC instead of VARRAY.
7976
7977         * alias.c (alias_sets): Change the type to
7978         VEC(alias_set_entry,gc) *.
7979         (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7980         VEC instead of VARRAY.
7981         (last_alias_set): Remove.
7982
7983         * cgraph.h (cgraph_edge_p): New.
7984         Update the prototype of cgraph_function_versioning.
7985         * cgraphunit.c (cgraph_copy_node_for_versioning,
7986         cgraph_function_versioning): Use VEC instead of VARRAY.
7987         * ipa-cp.c (ipcp_insert_stage): Likewise.
7988
7989 2006-04-16  Roger Sayle  <roger@eyesopen.com>
7990
7991         PR target/26961
7992         * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7993         "A op B" or "A op C", we may need to convert A to the type of B and C.
7994
7995 2006-04-16  Adam Nemet  <anemet@caviumnetworks.com>
7996
7997         * target.h (struct gcc_target): Add mode_rep_extended.
7998         * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7999         (init_num_sign_bit_copies_in_rep): Initialize it using
8000         mode_rep_extended.
8001         (truncate_to_mode): Use it.
8002         (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8003         * targhooks.h (default_mode_rep_extended): Declare it.
8004         * targhooks.c (default_mode_rep_extended): Define it.
8005         * target-def.h (TARGET_MODE_REP_EXTENDED): New macro.  Default to
8006         default_mode_rep_extended.
8007         (TARGET_INITIALIZER): Include it.
8008         * doc/tm.texi (Misc): Document it.
8009         * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8010         (mips_truncated_to_mode): New function.
8011
8012 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8013
8014         PR middle-end/25474
8015         * expr.c (compress_float_constant): Copy the narrow constant into
8016         a new pseudo before extending it to its final width.
8017
8018 2006-04-16  Roger Sayle  <roger@eyesopen.com>
8019             Andrew Pinski  <pinskia@gcc.gnu.org>
8020             Dale Johannesen  <dalej@apple.com>
8021
8022         PR target/24076
8023         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8024         special case code to implement V8HImode and V16QImode with SSE2.
8025
8026 2006-04-15  Roger Sayle  <roger@eyesopen.com>
8027
8028         * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8029         trees are constructed with a suitable tree type.
8030
8031 2006-04-15  Roger Sayle  <roger@eyesopen.com>
8032
8033         * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8034         (integer_onep): Likewise.
8035         (integer_all_onesp): Likewise.
8036         (integer_pow2p): Likewise.
8037         (integer_nonzerop): Likewise.
8038         (real_zerop): Likewise.
8039         (real_onep): Likewise.
8040         (real_twop): Likewise.
8041         (real_minus_onep): Likewise.
8042         (int_size_in_bytes): Likewise.
8043         (host_integerp): Likewise.
8044
8045 2006-04-15  Kazu Hirata  <kazu@codesourcery.com>
8046
8047         * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8048         jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8049         tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8050
8051         * tree-ssa-structalias.h (alias_info): Remove num_references.
8052
8053 2006-04-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8054
8055         * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8056         (output_bvb patterns): Likewise.
8057         * pa.c (output_bb): Use 'bb' insn for long branch case.
8058         (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8059         (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8060         1.  Correct length operand for alternatives 1 and 2.
8061         (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8062         1, 2 and 3.  Correct length operand for alternatives 1, 2 and 3.
8063
8064 2006-04-14  Roger Sayle  <roger@eyesopen.com>
8065
8066         * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8067         is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8068         were accidentally reverted by r112959.
8069
8070 2006-04-15  Jakub Jelinek  <jakub@redhat.com>
8071
8072         PR middle-end/26823
8073         * except.h (eh_region_outermost): New prototype.
8074         * except.c (eh_region_outermost): New function.
8075         * tree-cfg.c (find_outermost_region_in_block): Use it.
8076
8077 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
8078
8079         * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8080         of VARRAY.
8081         * reload1.c (reg_equiv_memory_loc_varray): Rename to
8082         reg_equiv_memory_loc_vec.  Change the type to VEC(rtx,gc) *.
8083         (init_reload, reload): Use VEC instead of VARRAY.
8084         * reload.h: Update the prototype for
8085         reg_equiv_memory_loc_varray.
8086
8087 2006-04-14  Alexey Starovoytov  <alexey.starovoytov@sun.com>
8088             Eric Botcazou  <ebotcazou@libertysurf.fr>
8089
8090         * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8091         register save area.
8092
8093 2005-04-13  Uros Bizjak  <uros@kss-loka.si>
8094
8095         PR middle-end/27134
8096         * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8097         to expand fallback builtin function call.
8098
8099 2006-04-14  Alan Modra  <amodra@bigpond.net.au>
8100
8101         PR middle-end/27095
8102         * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8103         and emit libcall here in case the builtin fails.
8104         (expand_builtin_strcmp): Always emit the libcall here on failure.
8105
8106 2006-04-14  Kazu Hirata  <kazu@codesourcery.com>
8107
8108         * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8109         * flow.c (reg_n_info): Change the type to
8110         VEC(reg_info_p,heap) *.
8111         * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8112         instead of VARRAY.
8113         * regs.h (reg_info_p): New.
8114         (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8115         REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8116         REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8117         instead of VARRAY.
8118
8119 2006-04-13  Eric Botcazou  <ebotcazou@adacore.com>
8120
8121         * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8122         defaulting to 100.
8123         * params.h (MAX_SCHED_READY_INSNS): New macro.
8124         * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8125         past MAX_SCHED_READY_INSNS during the first scheduling pass.
8126         (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8127         the ready list for 1 cycle during the first scheduling pass.
8128         * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8129
8130 2006-04-13  Richard Henderson  <rth@redhat.com>
8131
8132         PR libgomp/26651
8133         * gimple-low.c (lower_omp_directive): Remove dead code.
8134         (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8135         * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8136         * omp-low.c (struct omp_region): Move to tree-flow.h.
8137         (root_omp_region): Export.
8138         (omp_regions, lookup_omp_region): Remove.
8139         (determine_parallel_type): Update for struct omp_region changes.
8140         (dump_omp_region): Dump regions with block numbers.
8141         (new_omp_region): Take type and block instead of stmt; malloc
8142         instead of ggc.
8143         (free_omp_region_1, free_omp_regions): New.
8144         (expand_parallel_call): Take entry_stmt as argument; update for
8145         changes to omp_region.
8146         (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8147         (remove_exit_barriers): New.
8148         (expand_omp_parallel): Update for struct omp_region changes.
8149         (expand_omp_synch): Likewise.
8150         (expand_omp): Likewise.
8151         (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8152         (expand_omp_for_static_chunk): Likewise.
8153         (expand_omp_for): Likewise.
8154         (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8155         (expand_omp_sections): Similarly, with GOMP_sections_end.
8156         (expand_omp_single): New.
8157         (build_omp_regions_1): Update for OMP_CONTINUE.
8158         (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8159         (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8160         OMP_SECTIONS_SECTIONS.
8161         (lower_omp_single_simple): Don't emit barrier here.
8162         (lower_omp_single_copy): Likewise.
8163         (lower_omp_single): Fix bindings, and lower to straightline now.
8164         (lower_omp_master, lower_omp_ordered): Likewise.
8165         (lower_omp_critical): Likewise.
8166         (lower_omp_for): Likewise.  Emit OMP_CONTINUE.
8167         * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8168         omp edges, free it afterward.
8169         (make_omp_sections_edges): Remove.
8170         (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8171         (move_stmt_r): Handle OMP_CONTINUE.
8172         * tree-flow.h (struct omp_region): Move from omp-low.c.  Switch
8173         statement pointers to basic blocks.  Add type member.
8174         (root_omp_region, new_omp_region, free_omp_regions): Declare.
8175         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8176         * tree-inline.c (estimate_num_insns_1): Likewise.
8177         * tree-pretty-print.c (dump_generic_node): Likewise.
8178         * tree-ssa-operands.c (get_expr_operands): Likewise.
8179         * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8180         (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8181         (OMP_CONTINUE): New.
8182         * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8183         (OMP_SECTIONS_SECTIONS): Remove.
8184         (OMP_SECTION_LAST): New.
8185         (OMP_RETURN_NOWAIT): New.
8186
8187 2006-04-13  Roger Sayle  <roger@eyesopen.com>
8188
8189         * fold-const.c (native_encode_vector, native_interpret_real):
8190         Correct obvious mistakes in the previous check-in.
8191
8192 2006-04-13  Roger Sayle  <roger@eyesopen.com>
8193
8194         * fold-const.c (native_encode_expr): New function to encode
8195         the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8196         or VECTOR_CST into a specified buffer.
8197         (native_encode_int): New function.
8198         (native_encode_real): New function.
8199         (native_encode_complex): New function.
8200         (native_encode_vector): New function.
8201         (native_interpret_expr): Inverse of native_encode_expr to convert
8202         a target representation into an INTEGER_CST, REAL_CST etc...
8203         (native_interpret_int): New function.
8204         (native_interpret_real): New function.
8205         (native_interpret_complex): New function.
8206         (native_interpret_vector): New function.
8207         (fold_view_convert_expr): New function to constant fold/evaluate
8208         a VIEW_CONVERT_EXPR of a suitable constant expression.
8209         (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8210         Change call of build1 to fold_build1 when constructing a
8211         VIEW_CONVERT_EXPR.
8212
8213 2006-04-13  Paolo Bonzini  <bonzini@gnu.org>
8214             Ulrich Weigand  <uweigand@de.ibm.com>
8215
8216         PR target/27006
8217         * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8218         to be even.
8219
8220 2006-04-13  Alan Modra  <amodra@bigpond.net.au>
8221
8222         PR target/26459
8223         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8224         optimize to lo_sum for DFmode if !TARGET_FPRS.
8225
8226 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
8227
8228         * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8229         delete_alias_info, compute_flow_sensitive_aliasing,
8230         group_aliases): Use VEC instead of VARRAY.
8231         * tree-ssa-structalias.c (update_alias_info): Likewise.
8232         * tree-ssa-structalias.h (alias_info): Change the type of
8233         processed_ptrs to VEC(tree,heap) *.
8234
8235 2006-04-12  J"orn Rennecke <joern.rennecke@st.com>
8236
8237         PR target/27060
8238         * config/sh/lib1funcs.h: New file, broken out of:
8239         * config/sh/lib1funcs.asm.
8240         * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8241         New macros.
8242         * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8243         * config/sh/lib1funcs-Os-4-200.asm: New file.
8244         * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8245         * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8246         (EXTRA_MULTILIB_PARTS): Include it.
8247         ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8248         ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8249         * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8250         * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8251         TARGET_SH2.
8252
8253 2006-04-12  Kazu Hirata  <kazu@codesourcery.com>
8254
8255         * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8256         * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8257         tpa_compact, root_var_init, type_var_init): Use VEC instead of
8258         VARRAY.
8259         * tree-ssa-live.h: Include vecprim.h.
8260         (tree_partition_associator_d): Change the type of
8261         first_partition to VEC(int,heap) *.
8262         (tpa_first_partition): Use VEC instead of VARRAY.
8263
8264         * Makefile.in (GTFILES): Move functions.h after tree.h.
8265         * function.c (reset_block_changes, record_block_change,
8266         check_block_change, free_block_changes): Use VEC instead of
8267         VARRAY.
8268         * function.h (function): Change the type of
8269         ib_boundaries_block to VEC(tree,gc) *.
8270         * tree-inline.c (copy_cfg_body): Initialize
8271         ib_boundaries_block to NULL instead of (varray_type) 0.
8272
8273 2006-04-12  Roger Sayle  <roger@eyesopen.com>
8274
8275         * expr.c (emit_group_store): Correct operand order in call to
8276         subreg_lowpart_offset.  Always create paradoxical SUBREGs with
8277         a SUBREG_BYTE of zero.
8278
8279 2006-04-12  Richard Guenther  <rguenther@suse.de>
8280
8281         * profile.c (compute_branch_probabilities): Remove code
8282         encapsulated in !ir_type (), which are remanents of the
8283         removed RTL profiling code.
8284         * rtl-profile.c: Remove.
8285
8286 2006-04-12  Alan Modra  <amodra@bigpond.net.au>
8287
8288         * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8289         magic NULL_RTX comment.
8290         (function_arg): Store entire fp arg to mem if any part should go
8291         on stack.
8292         (rs6000_arg_partial_bytes): Adjust for above change.
8293
8294 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8295
8296         * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8297         if it hasn't been initialized by dwarf2out_init.
8298
8299 2006-04-11  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
8300
8301         * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8302         symbolic constants in branch patterns.
8303
8304 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8305
8306         * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8307
8308 2006-04-11  Richard Sandiford  <richard@codesourcery.com>
8309
8310         PR rtl-optimization/27073
8311         * gcse.c (try_replace_reg): Revert last change.  Continue to search
8312         for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8313         on the former.
8314
8315 2006-04-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
8316
8317         * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8318         aggregate types other than record and union types.
8319         (function_arg): Likewise.
8320         (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8321         small arrays.
8322         (function_value): In 64-bit mode, return objects that require it
8323         in FP registers.
8324
8325 2006-04-11  Roger Sayle  <roger@eyesopen.com>
8326
8327         * dwarf2out.c (premark_used_types): Remove problematic prototype.
8328
8329 2006-04-11  Jakub Jelinek  <jakub@redhat.com>
8330
8331         * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8332
8333 2006-04-03  Jeff Law  <law@redhat.com>
8334
8335         PR/27087
8336         * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8337         alias information too.
8338
8339 2006-04-10  Mike Frysinger  <vapier@gentoo.org>
8340
8341         * Makefile.in (gcc-cross): Add $(exeext) to target name.
8342
8343 2006-04-10  Aldy Hernandez  <aldyh@redhat.com>
8344
8345         PR/21391
8346         * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8347         (premark_used_types_helper): New.
8348         (premark_used_types): New.
8349         (gen_subprogram_die): Call premark_used_types.
8350         (prune_unused_types_walk): Do not prune perennial dies.
8351         * function.c (used_types_insert): New.
8352         * function.h (struct function): Add used_types_hash field.
8353         (used_types_insert): Add prototype.
8354         * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8355         * c-parser.c (c_parser_cast_expression): Save casted types in used
8356         types hash table.
8357
8358 2006-04-11  Mark Mitchell  <mark@codesourcery.com>
8359
8360         PR target/26459
8361         * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8362         rs6000_explicit_options.float_gprs.
8363
8364 2006-04-10  Roger Sayle  <roger@eyesopen.com>
8365
8366         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8367         from ix86_expand_vector_init_low_nonzero.  Take an additional
8368         one_var argument indicating which element is non-zero.  Support
8369         one_var != 0 for V4SFmode and V4SImode by permuting the result.
8370         (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8371         with one_var instead of ix86_expand_vector_init_low_nonzero.
8372
8373 2006-04-10  Kazu Hirata  <kazu@codesourcery.com>
8374
8375         * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8376         tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8377         global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8378         build/genextract.o): Depend on vecprim.h.
8379         * cfglayout.c, df-problems.c, function.c, genextract.c,
8380         global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8381         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8382         vecprim.h.
8383         * vecprim.h: New.
8384
8385 2006-04-10  Geoffrey Keating  <geoffk@apple.com>
8386
8387         * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8388         Declare VECs of this type.
8389         (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8390         (remove_children): Delete.
8391         (add_dwarf_attr): Use VEC routines.
8392         (add_AT_flag): Update for changes to add_dwarf_attr.
8393         (add_AT_int): Likewise.
8394         (add_AT_unsigned): Likewise.
8395         (add_AT_long_long): Likewise.
8396         (add_AT_vec): Likewise.
8397         (add_AT_string): Likewise.
8398         (add_AT_die_ref): Likewise.
8399         (add_AT_fde_ref): Likewise.
8400         (add_AT_loc): Likewise.
8401         (add_AT_loc_list): Likewise.
8402         (add_AT_addr): Likewise.
8403         (add_AT_lbl_id): Likewise.
8404         (add_AT_lineptr): Likewise.
8405         (add_AT_macptr): Likewise.
8406         (add_AT_offset): Likewise.
8407         (add_AT_range_list): Likewise.
8408         (get_AT): Use VEC_iterate.
8409         (remove_AT): Use VEC_ordered_remove.
8410         (free_die): Fold remove_children into here; have it use VEC_iterate.
8411         (print_die): Use VEC_iterate on attrs.
8412         (reverse_die_lists): Don't reverse attr lists.
8413         (die_checksum): Use VEC_iterate on attrs.
8414         (same_die_p): Likewise.
8415         (output_location_lists): Likewise.
8416         (build_abbrev_table): Likewise.
8417         (size_of_die): Likewise.
8418         (unmark_all_dies): Likewise.
8419         (output_abbrev_section): Likewise.
8420         (output_die): Likewise.
8421         (prune_unused_types_walk_attribs): Likewise.
8422
8423 2006-04-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
8424
8425         * doc/install.texi (*-*-solaris2*): Point to the configure page.
8426
8427 2006-04-10  Jakub Jelinek  <jakub@redhat.com>
8428
8429         PR debug/27057
8430         * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8431
8432 2006-04-09  Roger Sayle  <roger@eyesopen.com>
8433
8434         * expr.c (store_constructor): Don't bother clearing target if
8435         we're about to assign a vector to it using vec_init_optab.
8436
8437 2006-04-10 Daniel Berlin  <dberlin@dberlin.org>
8438
8439         * tree-ssa-alias.c (lhs_may_store_to): New function.
8440         (recalculate_used_alone): Handle LHS of calls.
8441
8442 2006-04-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8443
8444         PR target/27034
8445         PR target/26508
8446         * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8447         * pa64-hpux.h (LIB_SPEC): Correct typo.  Don't append milli.a.
8448         (LINK_GCC_C_SEQUENCE_SPEC): Define.  Append milli.a here.
8449         (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8450         (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8451         (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8452         section.  Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8453         stubs.  Add ".align 8" directives before all ".dword" directives.
8454         (GTHREAD_USE_WEAK): Revise comment.
8455         (TARGET_ATTRIBUTE_WEAK): Define.
8456         * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8457         dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8458         * stublib.c: New file.
8459
8460         PR target/26743
8461         PR target/11254
8462         PR target/10274
8463         * pa.md (cbranch patterns): Revise arguments used in calls to
8464         output_cbranch, output_bb and output_bvd.  Add long branch length
8465         attributes.
8466         (fbranch patterns): Handle long branches.
8467         (jump): Revise length check.  Revise arguments for output_lbranch call.
8468         Add long branch length attributes.
8469         (decrement_and_branch_until_zero): Add long branch length attributes.
8470         (output_movb, output_parallel_addb and output_parallel_movb patterns):
8471         Likewise.  Revise arguments for output_parallel_addb and
8472         output_parallel_movb calls.
8473         * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8474         output_parallel_movb and output_parallel_addb): Update prototypes.
8475         * pa.c (output_cbranch): Revise arguments.  Correct handling of
8476         nullification in long branches.
8477         (output_lbranch): Add new argument to control extraction of delay
8478         instruction.
8479         (output_bb): Handle long branches.
8480         (output_bvb, output_dbra, output_movb, output_parallel_movb,
8481         output_parallel_addb): Likewise.
8482
8483 2006-04-09  Richard Sandiford  <richard@codesourcery.com>
8484
8485         PR rtl-optimization/27073
8486         * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8487         not REG_EQUIVs.
8488
8489 2006-04-08  Daniel Berlin  <dberlin@dberlin.org>
8490
8491         * tree.h (tree_memory_tag): Add old_used_alone.
8492         (SMT_OLD_USED_ALONE): New macro.
8493         * tree-ssa-alias.c (recalculate_used_alone): Stop
8494         marking things for renaming unnecessarily.
8495
8496 2006-04-08  Kazu Hirata  <kazu@codesourcery.com>
8497
8498         * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8499         config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8500         config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8501         haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8502         sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8503         tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8504         tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
8505         spelling convensions.
8506         * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8507         doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8508         typos.  Follow spelling conventions.
8509
8510 2006-04-07  DJ Delorie  <dj@redhat.com>
8511
8512         * config/m32c/m32c.c (m32c_function_arg): Structures are always
8513         passed on the stack.
8514         (m32c_init_cumulative_args): When a function returns a structure,
8515         always pass the pointer to that return area on the stack.
8516         (m32c_function_arg_advance): Don't increment the parameter number
8517         if we're processing the returned structure pointer.
8518         (pushm_info): Reverse order of registers.
8519
8520 2006-04-07  Sebastian Pop  <pop@cri.ensmp.fr>
8521
8522         * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8523         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8524         number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8525         estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8526         build_int_cst_type.
8527         * tree-chrec.c (chrec_fold_multiply_poly_poly,
8528         chrec_fold_multiply): Same.
8529         * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8530         force_expr_to_var_cost): Same.
8531         * tree-mudflap.c (mf_xform_derefs_1): Same.
8532         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8533
8534 2006-04-07  David Edelsohn  <edelsohn@gnu.org>
8535
8536         * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8537         treat CONST_DOUBLE as INTVAL.  and64_2_operands require an extra
8538         insn.
8539
8540 2006-04-07  Jan Hubicka  <jh@suse.cz>
8541
8542         * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8543
8544 2006-04-07  Richard Guenther  <rguenther@suse.de>
8545
8546         PR tree-optimization/26135
8547         * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8548         loads for store copy-prop.
8549         (copy_prop_visit_stmt): Likewise.
8550
8551 2006-04-05  Robert Millan  <robertmh@gnu.org>
8552
8553         * config/i386/linux.h: Add a comment to mark macros that are
8554         being overriden in config/k*bsd-gnu.h.
8555         * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8556         DYNAMIC_LINKER.
8557         * config/knetbsd-gnu.h: Ditto.
8558
8559 2006-04-06  Jan Hubicka  <jh@suse.cz>
8560
8561         PR profile/20815
8562         PR profile/26399
8563         * coverage.c (coverage_checksum_string): Reorganize loop to not read
8564         after buffer.
8565
8566 2006-04-06  Mike Stump  <mrs@apple.com>
8567
8568         * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8569         for HAVE_nonlocal_goto to be consistent.
8570         (expand_builtin_nonlocal_goto): Likewise.
8571         (expand_builtin_strcmp): Use #ifdef instead of #if
8572         for HAVE_cmpstrnsi to be consistent.
8573
8574 2006-04-05  DJ Delorie  <dj@redhat.com>
8575
8576         * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8577         vs m32c.
8578
8579 2006-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8580
8581         * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8582         got-relative addressing for anything but SImode.
8583
8584         * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8585         even if the calling function doesn't modify them.
8586
8587 2006-04-05  Richard Guenther  <rguenther@suse.de>
8588
8589         PR tree-optimization/26919
8590         * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8591         to cgraph_estimate_size_after_inlining.
8592
8593 2006-04-05  Alan Modra  <amodra@bigpond.net.au>
8594
8595         * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8596
8597 2006-04-05  Sebastian Pop  <pop@cri.ensmp.fr>
8598
8599         PR tree-optimization/26996
8600         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8601         VECTOR_TYPE variables.
8602
8603 2006-04-05  Richard Guenther  <rguenther@suse.de>
8604
8605         PR tree-optimization/26763
8606         * fold-const.c (fold_comparison): Move folding of
8607         PTR + CST CMP PTR + CST ...
8608         (fold_binary): ... here.  Fold only for EQ_EXPR and NE_EXPR.
8609
8610 2006-04-05  Gerald Pfeifer  <gerald@pfeifer.com>
8611
8612         * doc/install.texi (Prerequisites): Refine some wording on
8613         bootstrapping and ksh.
8614         Move the version numbers of DejaGnu here from the testing section
8615         and fix casing of names.
8616         Fix markup and clarify wording for autogen requirements.
8617         Refer to GCJ instead of just java.
8618         Refer to SVN instead of CVS.
8619         Describe diffutils as useful instead of necessary.
8620         (Downloading the source): Refer to SVN instead of CVS.
8621         Adjust a link to our web site accordingly.
8622         (Configuration): Fix casing of Bison.
8623         (Building): Refer to SVN instead of CVS.
8624         Fix a sentence on the use of Bison and remove duplicate (and
8625         incorrect) version number of Bison requirement.
8626         Remove one redundant list of packages needed for building.
8627         (Specific): Avoid reference to CVS.
8628
8629 2006-04-04  Eric Christopher  <echristo@apple.com>
8630
8631         * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8632         (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8633         (rs6000_handle_struct_attribute): New.
8634         (rs6000_ms_bitfield_layout_p): Ditto.
8635
8636 2006-04-04  Geoffrey Keating  <geoffk@apple.com>
8637
8638         * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8639         NULL for dso parameter to atexit_common.
8640
8641 2006-04-04  Eric Christopher  <echristo@apple.com>
8642
8643         * config/i386/i386.c (machopic_output_stub): Output \t
8644         between instructions and operands.
8645
8646 2006-04-04  David Edelsohn  <edelsohn@gnu.org>
8647
8648         * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8649         satisfies_constraint_[IL] to explicit tests on value.
8650
8651 2006-04-04  Sebastian Pop  <pop@cri.ensmp.fr>
8652
8653         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8654         set_nb_iterations_in_loop): Use build_int_cst instead of
8655         build_int_cst_type.
8656         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8657         build_int_cst instead of convert.
8658
8659 2006-04-04  Carlos O'Donell  <carlos@codesourcery.com>
8660
8661         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8662         new value 2 for incoming.
8663         * function.c (expand_function_start): Call struct_value_rtx
8664         with incoming as 2.
8665         * config/sparc/sparc.md: Comment updated_return.
8666         * config/sparc/sparc.opt: Add -mstd-struct-return option.
8667         * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8668         struct return if sparc_std_struct_return and incoming is 2.
8669         (print_operand): Do not adjust return if
8670         sparc_std_struct_return.
8671
8672 2006-04-04  Roger Sayle  <roger@eyesopen.com>
8673
8674         * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8675         convert in the middle-end.
8676         * expr.c (store_expr, store_constructor, get_inner_reference,
8677         expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8678         Likewise.
8679         * tree.c (build_range_type): Likewise.
8680
8681 2006-04-04  Tom Tromey  <tromey@redhat.com>
8682
8683         * doc/install.texi (Prerequisites): Mention jar.
8684
8685 2006-04-04  Daniel Berlin  <dberlin@dberlin.org>
8686
8687         * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8688         subsection.
8689
8690 2006-04-04  Matthias Klose  <doko@debian.org>
8691
8692         * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8693
8694         PR bootstrap/26764
8695         PR bootstrap/27334
8696         * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8697         strings.
8698
8699 2006-04-03  Geoffrey Keating  <geoffk@apple.com>
8700
8701         * doc/extend.texi (Function Attributes): Rewrite visibility
8702         attribute documentation.
8703         * doc/invoke.texi (C++ Dialect Options): Rewrite
8704         -fvisibility-inlines-hidden documentation to describe something
8705         entirely different, although in practise compatible.
8706         (Code Gen Options): Warn about system headers in -fvisibility=
8707         documentation.
8708
8709         * doc/extend.texi (Other Builtins): Document that
8710         __builtin_nan is a compile-time constant only when its argument
8711         is valid.
8712
8713 2006-04-03  Adam Nemet  <anemet@caviumnetworks.com>
8714
8715         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8716         trying to remove TRUNCATE check if all bits outside the new mode
8717         are identical to the sign bit.
8718
8719 2006-04-03  Jeff Law  <law@redhat.com>
8720
8721         * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8722         and operand scanning in some common cases.
8723
8724 2006-04-03  Paolo Bonzini  <bonzini@gnu.org>
8725             Dale Johannesen  <dalej@apple.com>
8726
8727         PR target/19653
8728         * regclass.c (struct reg_pref): Update documentation.
8729         (regclass): Set prefclass to NO_REGS if memory is the best option.
8730         (record_reg_classes): Cope with a prefclass set to NO_REGS.
8731         * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8732         into account.  For non-registers, equate an empty preferred
8733         reload class to a `!' in the constraint; move the if clause to
8734         do so after those that reject the insn.
8735         (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8736         return NO_REGS.
8737         (find_dummy_reload): Likewise.
8738         * doc/tm.texi (Register Classes): Document what it means
8739         if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8740         * config/i386/i386.c (ix86_preferred_reload_class): Force
8741         using SSE registers (and return NO_REGS for floating-point
8742         constants) if math is done with SSE.
8743         (ix86_preferred_output_reload_class): New.
8744         * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8745         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8746         * config/i386/i386.md: Remove # register preferences.
8747
8748 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8749
8750         PR bootstrap/26992
8751         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8752         chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8753         the type of nb_iter.
8754         (instantiate_parameters_1): Convert the operands before calling
8755         chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8756         * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8757
8758 2006-04-02  Roger Sayle  <roger@eyesopen.com>
8759
8760         * builtins.c (dummy_object): Use build_int_cst instead of convert.
8761         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8762         instead of convert.
8763         * dojump.c (do_jump): Likewise.
8764         * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8765         * gimplify.c (gimple_boolify, gimplify_init_constructor,
8766         gimplify_boolean_expr): Likewise.
8767         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8768         * varasm.c (array_size_for_constructor): Likewise.
8769         * tree-object-size.c (compute_object_offset): Likewise.
8770
8771 2006-04-02  Roger Sayle  <roger@eyesopen.com>
8772
8773         PR middle-end/26977
8774         * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8775         NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8776
8777 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8778
8779         PR tree-optimization/26939
8780         * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8781
8782 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8783
8784         * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8785         at_stmt.  Convert the type of operands before calling
8786         build_polynomial_chrec.
8787         (add_to_evolution): Pass an extra argument at_stmt.  Adjust the call to
8788         add_to_evolution_1.
8789         (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8790         (instantiate_parameters_1): Convert the type of operands before calling
8791         build_polynomial_chrec.
8792         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8793         chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8794         reset_evolution_in_loop): Insert asserts to check the types of the
8795         operands.
8796         (chrec_type): Moved...
8797         (eq_evolutions_p): Use operand_equal_p.
8798         * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8799         the types of the operands.
8800         (chrec_type): ...here.
8801         * tree-data-ref.c (create_data_ref): Convert the operands before
8802         calling chrec_replace_initial_condition.
8803         (same_access_functions, analyze_subscript_affine_affine,
8804         analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8805         (compute_subscript_distance, analyze_ziv_subscript,
8806         analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8807         analyze_miv_subscript): Convert the operands before calling
8808         chrec_fold_minus or chrec_fold_plus.
8809
8810 2006-04-02  Sebastian Pop  <pop@cri.ensmp.fr>
8811
8812         * tree-data-ref.c (compute_all_dependences): Use a pointer to
8813         the dependence_relations vector.
8814         (compute_data_dependences_for_loop): Adjust call to
8815         compute_all_dependences.
8816
8817 2006-04-01  Roger Sayle  <roger@eyesopen.com>
8818             Richard Henderson  <rth@redhat.com>
8819
8820         * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8821         gimple_boolify on the condition before calling gimplify_expr.
8822
8823 2006-03-31  Bob Wilson  <bob.wilson@acm.org>
8824
8825         * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8826         to leaf_entry/leaf_return.  Change leaf_entry to add 16 bytes to
8827         the frame size.  Update to use the new macros.
8828         * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8829         * config/xtensa/ieee754-df.S: Likewise.
8830
8831 2006-03-31  Richard Henderson  <rth@redhat.com>
8832
8833         * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8834         (make_edges): ... here.  Control fallthru creation with a local
8835         variable.  Do not play with fake edges.
8836         (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8837         (make_goto_expr_edges): Don't play with fake edges.  Make for_call
8838         a boolean.
8839
8840 2006-04-01  Joseph S. Myers  <joseph@codesourcery.com>
8841
8842         * dwarf2.h (DW64_CIE_ID): Define.
8843         * dwarf2out.c (DWARF_CIE_ID): Define.
8844         (output_call_frame_info): Output 0xffffffff before standard 8-byte
8845         length header.  Use DWARF_CIE_ID.
8846         (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8847         dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8848
8849 2006-03-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8850
8851         * config/sh/linux-atomic.asm: New file.
8852         * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8853
8854 2006-03-31  DJ Delorie  <dj@redhat.com>
8855
8856         * config/m32c/cond.md: Set condition flags properly throughout.
8857         * config/m32c/minmax.md: Likewise.
8858         * config/m32c/prologue.md: Likewise.
8859         * config/m32c/bitops.md: Likewise.
8860         * config/m32c/muldiv.md: Likewise.
8861         * config/m32c/mov.md: Likewise.
8862         * config/m32c/addsub.md: Likewise.
8863         * config/m32c/m32c.md: Likewise.
8864         * config/m32c/jump.md: Likewise.
8865         * config/m32c/shift.md: Likewise.
8866
8867         * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8868         conditionally output the pattern for this.
8869         * config/m32c/m32c.c (flags_needed_for_conditional): New.
8870         (m32c_compare_redundant): New.
8871         (m32c_output_compare): New.
8872         * config/m32c/m32c-protos.h (m32c_output_compare): New.
8873
8874         * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8875         dest, not src.  Allow other 4-byte modes.
8876
8877 2006-03-30  Denis Chertykov  <denisc@overta.ru>
8878
8879         * doc/md.texi: Refer to avr/constraints.md instead of
8880         avr/avr.h.
8881
8882 2006-03-30  Roger Sayle  <roger@eyesopen.com>
8883
8884         * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8885         signed vs. unsigned comparison failures on some hosts.
8886
8887 2006-03-31  Alan Modra  <amodra@bigpond.net.au>
8888
8889         PR target/26459
8890         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8891         change to FLOAT_REGS.
8892
8893         * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8894         (rs6000_override_options): Use it.
8895         (rs6000_handle_option): Set it.  Set rs6000_explicit_options.abi
8896         only for -mabi=spe/no-spe and -mabi=altivec.
8897
8898 2006-03-30  Geoffrey Keating  <geoffk@apple.com>
8899
8900         * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8901         !Zdynamiclib.
8902
8903 2006-03-30  Carlos O'Donell  <carlos@codesourcery.com>
8904
8905         * Makefile.in: Rename docdir to gcc_docdir.
8906
8907 2006-03-30  Roger Sayle  <roger@eyesopen.com>
8908
8909         PR target/17959
8910         * expr.c (emit_group_store): Optimize group stores into a pseudo
8911         register by using a paradoxical subreg to initialize the destination
8912         if the first or last member of the group specifies a "low part".
8913
8914 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8915
8916         PR target/26734
8917         * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8918         * target.h (struct gcc_target.speculate_insn): Change type of the
8919         second parameter to 'int'.
8920         * lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
8921         the second operand of the DEPS_LIST.
8922         (copy_DEPS_LIST_list): Update reference to the second operand of the
8923         DEPS_LIST.
8924         * rtl.h (alloc_DEPS_LIST): Update signature.
8925         * sched-int.h (ds_t): Change typedef to 'int'.
8926         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8927
8928 2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8929
8930         * haifa-sched.c (try_ready): Change condition to restore
8931         non-speculative pattern of the instruction.
8932         (process_insn_depend_be_in_spec): Code to keep probability of the
8933         speculative dependence non-decreasing.
8934
8935 2006-03-30  Jie Zhang  <jie.zhang@analog.com>
8936
8937         * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8938         (single_move_for_movmem): ... this. Also change all uses.
8939         (bfin_expand_strmov): Renamed to...
8940         (bfin_expand_movmem): ... this. Also change all uses.
8941         * config/bfin/bfin.md (movstrsi): Renamed to...
8942         (movstrsi): ...this.
8943
8944 2006-03-30  Paolo Bonzini  <bonzini@gnu.org>
8945
8946         PR tree-optimization/26830
8947
8948         * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8949         (copy_prop_visit_stmt): Remove write-only variable ann.
8950         (init_copy_prop): Check variable loop depth here.  Do not simulate
8951         memory-tag and virtual operand PHIs except for store copy prop.
8952
8953 2006-03-30  Richard Guenther  <rguenther@suse.de>
8954
8955         * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8956         variants with double arguments.
8957
8958 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
8959
8960         * genpreds.c (write_tm_constrs_h): Delete variable p.
8961         * genconditions.c (write_header): Add tm-constrs.h to included
8962         headers.
8963         * genpeep.c (main): Add toplev.h to included headers.
8964         * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8965         (build/genpeep.o): Add toplev.h dependency.
8966         * config/rs6000/constraints.md: Add "W" constraint.
8967
8968 2006-03-29  Roger Sayle  <roger@eyesopen.com>
8969
8970         * stor-layout.c (mode_for_size_tree): Remove restiction on type
8971         sizes by correctly testing whether the size fits a host integer.
8972         (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8973         to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8974         SImode range for the default sizetype and bitsizetype.
8975
8976 2006-03-29  Roger Sayle  <roger@eyesopen.com>
8977
8978         * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8979         and TREE_CONSTANT_OVERFLOW bits of the argument.  Return
8980         quickly if the argument is already of the correct type.
8981         Call fold_build1 instead of build1.  Tidy up blank lines.
8982
8983 2006-03-29  David Edelsohn  <edelsohn@gnu.org>
8984
8985         * genemit.c (main): Add tm-constrs.h to included headers.
8986         * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8987         * genpeep.c (main): Add tm-constrs.h to included headers.
8988         * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8989         (write_tm_constrs_h): this and write complete file.
8990         (write_tm_preds_h): Do not emit satisfies_constraint fns.
8991         (write_insn_preds_c): Add tm-constrs.h to included headers.
8992         (gen_constrs): New variable.
8993         (parse_option): Parse "-c".
8994         (main): Invoke write_tm_constrs_h.
8995         * genrecog.c (write_header): Add tm-constrs.h to included headers.
8996         * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8997         (object_out_file): Add tm-constrs.h dependency.
8998         (insn-emit.o): Same.
8999         (insn-output.o): Same.
9000         (insn-peep.o): Same.
9001         (insn-preds.o): Same.
9002         (insn-recog.o): Same.
9003         (tm-constsr.h): New target.
9004         (s-constrs-h): New target.
9005
9006         * config/rs6000/constraints.md: New file.
9007         * config/rs6000/rs6000.c: Include tm-constrs.h.
9008         (num_insn_constant_wide): Convert to satisfies_constraint.
9009         (rs6000_rtx_costs): Convert to satisfies_constraint.
9010         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9011         (CONST_OK_FOR_LETTER_P): Delete.
9012         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9013         (EXTRA_CONSTRAINT): Delete.
9014         (EXTRA_MEMORY_CONSTRAINT): Delete.
9015         (EXTRA_ADDRESS_CONSTRAINT): Delete.
9016         * config/rs6000/predicates.md: Convert to satisfies_constraint.
9017         * config/rs6000/rs6000.md: Include constraints.md.  Convert to
9018         satisfies_constraint.
9019
9020         * config/i386/i386.c: Include tm-constrs.h.
9021
9022 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
9023
9024         * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9025         * tree-data-ref.c (find_data_references_in_loop,
9026         compute_data_dependences_for_loop): Use pointers to VEC.
9027         (analyze_all_data_dependences): Adjust calls.
9028         * tree-data-ref.h (find_data_references_in_loop,
9029         compute_data_dependences_for_loop): Adjust declarations.
9030         * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9031         compute_data_dependences_for_loop.
9032
9033 2006-03-29  Paul Brook  <paul@codesourcery.com>
9034
9035         * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9036         (movdf_vfp): Ditto.
9037
9038 2006-03-29  Sebastian Pop  <pop@cri.ensmp.fr>
9039
9040         PR tree-optimization/26859
9041         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9042         division by zero.
9043         (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9044         for the step after fold_convert.
9045
9046 2006-03-29  Paul Brook  <paul@codesourcery.com>
9047
9048         * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9049         (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9050
9051 2006-03-29  Paul Brook  <paul@codesourcery.com>
9052
9053         PR middle-end/23623
9054         * targhooks.c (default_narrow_bitfield): New fuction.
9055         * targhooks.h (default_narrow_bitfield): add prototype.
9056         * target.h (gcc_target): Add narrow_volatile_bitfield.
9057         * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9058         * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9059         * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9060         * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9061
9062 2006-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
9063
9064         * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9065         tmake_file.
9066         * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9067         (NR_C_MODES): Add TDmode, DDmode and SDmode.
9068         (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9069         (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9070         (s390_function_arg_float): Allow SDmode and DDmode values to be
9071         passed in floating point registers.
9072         (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9073         check with SCALAR_FLOAT_MODE_P.
9074         (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9075
9076 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
9077
9078         PR tree-optimization/25985
9079         * tree-ssa-loop-niter.c (number_of_iterations_le,
9080         number_of_iterations_ne): Make comments more precise.
9081         (number_of_iterations_cond): Add only_exit argument.  Use the
9082         fact that signed variables do not overflow only when only_exit
9083         is true.
9084         (loop_only_exit_p): New.
9085         (number_of_iterations_exit): Pass result of loop_only_exit_p to
9086         number_of_iterations_cond.
9087
9088 2006-03-28  Zdenek Dvorak <dvorakz@suse.cz>
9089
9090         PR tree-optimization/26643
9091         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9092         bit_field_refs.
9093
9094 2006-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9095
9096         * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9097         (divsi3_i4_int): Likewise.
9098
9099 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9100
9101         * expr.c (emit_group_store): Only create a new pseudo reg if the
9102         quantity it needs to hold isn't already a suitable pseudo.
9103
9104 2006-03-28  Jeff Law  <law@redhat.com>
9105
9106         * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9107         * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9108
9109 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9110
9111         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9112         the equivalent ~X & Y, and the symmetry related transformations.
9113         (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9114         ~X & Y, and symmetry related transforms.
9115
9116 2006-03-28  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9117
9118         Revert my 2006-03-27 patches.
9119
9120 2006-03-28  Roger Sayle  <roger@eyesopen.com>
9121
9122         * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9123         ~(T1)X, when T1 and T2 are integer types of the same precision
9124         and (T2)X isn't an extension.
9125
9126 2006-03-28  Jeff Law  <law@redhat.com>
9127
9128         PR tree-optimization/26796
9129         * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9130         need EH edge cleanups rather than purging them immediately.
9131         (eliminate_degenerate_phis): Handle queued EH cleanups.
9132
9133 2006-03-28  Daniel Berlin  <dberlin@dberlin.org>
9134
9135         * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9136         from parent_var.
9137
9138 2006-03-27  Roger Sayle  <roger@eyesopen.com>
9139
9140         PR middle-end/22524
9141         * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9142         cast BIT_NOT_EXPR operand to the correct type.
9143
9144 2006-03-27  Sebastian Pop  <pop@cri.ensmp.fr>
9145
9146         * tree-loop-linear.c: Don't include varray.h.
9147         (gather_interchange_stats, try_interchange_loops,
9148         linear_transform_loops): Use VEC instead of VARRAY.
9149         * lambda-mat.c: Don't include varray.h.
9150         * tree-chrec.c: Same.
9151         * lambda-trans.c: Same.
9152         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9153         VEC instead of VARRAY.
9154         * tree-vectorizer.h: Idem.
9155         * tree-data-ref.c (dump_data_references,
9156         dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9157         initialize_data_dependence_relation, finalize_ddr_dependent,
9158         compute_all_dependences, find_data_references_in_loop,
9159         compute_data_dependences_for_loop, analyze_all_data_dependences,
9160         free_dependence_relation, free_dependence_relations,
9161         free_data_refs): Idem.
9162         * tree-data-ref.h (data_reference_p, subscript_p): New.
9163         (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9164         VEC instead of VARRAY.
9165         (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9166         (find_data_references_in_loop, compute_data_dependences_for_loop,
9167         dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9168         dump_data_dependence_relations, free_dependence_relations,
9169         free_data_refs): Adjust declaration.
9170         (lambda_transform_legal_p): Move declaration here...
9171         * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9172         vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9173         vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9174         vect_analyze_data_refs): Use VEC instead of VARRAY.
9175         * lambda.h (lambda_transform_legal_p): ...from here.
9176         * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9177         * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9178         * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9179         tree-chrec.o): Don't depend on VARRAY_H.
9180
9181 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9182
9183         * rtl.def (Copyright): Update date.
9184         (DEPS_LIST): Change type of the second operand to 'int'.
9185         * target.h (Copyright): Update date.
9186         (struct gcc_target.speculate_insn): Change type of the second parameter
9187         to 'int'.
9188         * lists.c (Copyright): Update date.
9189         (alloc_DEPS_LIST): Change signature.  Update reference to the second
9190         operand of the DEPS_LIST.
9191         (copy_DEPS_LIST_list): Update reference to the second operand of the
9192         DEPS_LIST.
9193         * rtl.h (Copyright): Update date.
9194         (alloc_DEPS_LIST): Update signature.
9195         * sched-int.h (Copyright): Update date.
9196         (ds_t): Change typedef to 'int'.
9197         (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9198
9199 2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9200
9201         * haifa-sched.c (Copyright): Update date.
9202         (try_ready): Change condition to restore non-speculative pattern
9203         of the instruction.
9204         (process_insn_depend_be_in_spec): Code to keep probability of the
9205         speculative dependence non-decreasing.
9206
9207 2006-03-27  Bernd Schmidt  <bernd.schmidt@analog.com>
9208
9209         * regrename.c (replace_oldest_value_addr): Initialize a variable to
9210         shut up the compiler.
9211
9212 2006-03-27  J"orn Rennecke <joern.rennecke@st.com>
9213
9214         * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9215         to use lib prefix for target.
9216         ($(T)libic_invalidate_array_4-200.a): Likewise.
9217         ($(T)libic_invalidate_array_4a.a): Likewise.
9218
9219 2006-03-27  Andrew Stubbs <andrew.stubbs@st.com>
9220             J"orn Rennecke <joern.rennecke@st.com>
9221
9222         * superh.opt: New file.
9223         * sh.c (boardtype, osruntime): Remove.
9224         * superh.h (SUBTARGET_OPTIONS): Remove.
9225         * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9226
9227         * config.gcc (sh*-*-*): Don't use c-c ranges for tr.  Quote sed
9228         arguments with ^ and/or [].
9229
9230         * config.gcc (sh-*-*): Add quoting to account for quirk of
9231         Solaris /bin/sh.
9232         Replace == with = in enable_incomplete_targets test.
9233
9234         * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9235         with MASK_LITTLE_ENDIAN.
9236
9237         * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9238         * config/sh/sh.opt: Added to some comments.
9239         * config/sh/superh.h: Removed some chaff.
9240
9241         * config/sh/sh.opt: Add m4-[1234]00* options.
9242         * config/sh/sh.c (sh_handle_option): Likewise.
9243         * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9244         (ic_invalidate_array_4-100.o): New rule.
9245         ($(T)libic_invalidate_array_4-100.a): Likewise.
9246         (ic_invalidate_array_4-200.o): Likewise.
9247         ($(T)libic_invalidate_array_4-200.a): Likewise.
9248         (ic_invalidate_array_4a.o): Likewise.
9249         ($(T)libic_invalidate_array_4a.a): Likewise.
9250         * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9251         * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9252         m4-200*, and m4a*.
9253         * config/sh/crt1.asm: Merged in profiling code.
9254         * config/sh/superh.h (STARTFILE_SPEC): Override.
9255         * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9256         Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9257         * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9258
9259         * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9260         * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9261         MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9262
9263         * sh.opt (mpretend-cmove): New option.
9264         * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9265         * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9266         (movsicc): Add TARGET_PRETEND_CMOVE code.
9267
9268 2006-03-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9269
9270         * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9271         s390_class_max_nregs): New function prototypes.
9272         * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9273         (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9274         * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9275         CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9276
9277 2006-03-26  Geoffrey Keating  <geoffk@apple.com>
9278
9279         * dwarf2out.c (add_location_or_const_value_attribute): Call
9280         tree_add_const_value_attribute if nothing else works.
9281         (reference_to_unused): New.
9282         (rtl_for_decl_init): Use reference_to_unused to decide whether
9283         to output an initializer.
9284
9285 2006-03-27  Alan Modra  <amodra@bigpond.net.au>
9286
9287         PR target/26459
9288         * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9289         peephole removing spe frob_di_df_2.
9290
9291 2006-03-26  Sebastian Pop  <pop@cri.ensmp.fr>
9292
9293         * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9294         (subscript_dependence_tester_1): Declared.
9295         (print_dir_vectors, print_dist_vectors): New.
9296         (debug_data_dependence_relation): New.
9297         (dump_data_dependence_relation): Print more details.
9298         (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9299         (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9300         (save_dist_v, save_dir_v, add_outer_distances,
9301         build_classic_dist_vector_1): New.
9302         (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9303         Don't test for lambda_vector_lexico_pos.
9304         (same_access_functions, add_multivariate_self_dist,
9305         add_other_self_distances, dir_from_dist): New.
9306         (build_classic_dir_vector): Replace implementation almost identical to
9307         build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9308         dir_from_dist.
9309         (subscript_dependence_tester_1): New.
9310         (subscript_dependence_tester): Handle the lexicographically negative
9311         distance vectors by recomputing the dependence relation.
9312         (compute_affine_dependence): Remove parameter loop_nest_depth.
9313         (compute_self_dependence): Don't call compute_subscript_distance.
9314         (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9315         Add a parameter for the loop_nest.
9316         (find_loop_nest_1, find_loop_nest): New.
9317         (compute_data_dependences_for_loop): Compute the loop nest, and give
9318         up if the nest is not well formed.
9319         * tree-data-ref.h (loop_p): New.
9320         (struct data_dependence_relation): Replace size_vect field with
9321         loop_nest, a vec of loops.
9322         (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9323         (DDR_LOOP_NEST): New.
9324         (print_dir_vectors, print_dist_vectors,
9325         debug_data_dependence_relation): Declared.
9326         (index_in_loop_nest): New.
9327         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9328         DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9329         distance.
9330
9331 2006-03-25  Adam Nemet  <anemet@caviumnetworks.com>
9332
9333         * simplify-rtx.c (simplify_relational_operation): Call
9334         simplify_relational_operation_1 even if mode is VOIDmode.
9335
9336 2006-03-25  Daniel Berlin  <dberlin@dberlin.org>
9337
9338         PR tree-optimization/26804
9339         * tree.h (DECL_CALL_CLOBBERED): New macro.
9340         (tree_decl_common): Add call_clobbered_flag.
9341         * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9342         (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9343         (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9344         (mark_non_addressable): Ditto.
9345         * tree-ssa.c (verify_call_clobbered): New function.
9346         (verify_alias_info): Use it.
9347         * tree-pass.h (pass_reset_cc_flags): New prototype.
9348         * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9349         (reset_cc_flags): New function.
9350         * passes.c (init_optimization_passes): Call reset_cc_flags after
9351         initializing referenced_vars.
9352
9353 2006-03-25  Uros Bizjak  <uros@kss-loka.si>
9354             Roger Sayle  <roger@eyesopen.com>
9355
9356         PR middle-end/26717
9357         * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9358         to 1.0 for non-real operands. Implement A / A optimization for
9359         complex operands.
9360
9361 2006-03-25  H.J. Lu  <hongjiu.lu@intel.com>
9362
9363         * config/i386/i386.c (size_cost): Correct the comment for
9364         cost of storing fp registers.
9365         (i386_cost): Likewise.
9366         (i486_cost): Likewise.
9367         (pentium_cost): Likewise.
9368         (pentiumpro_cost): Likewise.
9369         (k6_cost): Likewise.
9370         (athlon_cost): Likewise.
9371         (k8_cost): Likewise.
9372         (pentium4_cost): Likewise.
9373         (nocona_cost): Likewise.
9374         (generic64_cost): Likewise.
9375         (generic32_cost): Likewise.
9376
9377 2006-03-24  Denis Chertykov  <denisc@overta.ru>
9378
9379         * config/avr/avr-protos.h (extra_constraint): Delete.
9380         (extra_constraint_Q): New declaration.
9381         * config/avr/constraints.md: New file.
9382         * config/avr/avr.md: Include it.
9383         (REG_X, REG_Y, REG_Z, REG_W): New constants.
9384         (TMP_REGNO, ZERO_REGNO): Likewise.
9385         (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9386         * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9387         (extra_constraint): Delete.
9388         (extra_constraint_Q): Test for memory constraint 'Q'.
9389         * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9390         (REG_CLASS_FROM_LETTER): Delete.
9391         (CONST_OK_FOR_LETTER_P): Delete.
9392         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9393         (EXTRA_CONSTRAINT): Delete.
9394         (TMP_REGNO): Delete.
9395         (ZERO_REGNO): Delete.
9396
9397 2006-03-24  Jeff Law  <law@redhat.com>
9398
9399         * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9400         directly.  Call mark_new_vars_to_rename slightly earlier.
9401
9402 2006-03-24  Geoffrey Keating  <geoffk@apple.com>
9403
9404         * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9405         (is_cxx): Likewise.
9406         (gen_compile_unit_die): Use new language types for Objective-C and
9407         Objective-C++.
9408         (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9409         DW_LANG_C_plus_plus.
9410
9411         PR 26793
9412         * config/t-darwin (crt3.o): Work around bug 26840.
9413         * config/darwin-crt3.c: Rewrite.
9414         * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9415
9416 2006-03-24  Carlos O'Donell  <carlos@codesourcery.com>
9417
9418         * doc/invoke.texi: Document -femit-class-debug-always
9419         * common.opt: Add -femit-class-debug-always.
9420
9421 2006-03-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9422
9423         * config/s390/s390.c (s390_decompose_address): Allow SImode for
9424         index and base register.
9425         (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9426         print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9427         with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9428         REGNO_OK_FOR_INDEX_P.
9429         * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9430         ADDR_REGNO_P.
9431         (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9432         REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9433         REG_OK_FOR_BASE_P): Definitions removed.
9434
9435 2006-03-24  Jakub Jelinek  <jakub@redhat.com>
9436
9437         PR middle-end/26611
9438         * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9439         non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9440         set yet or weren't marked as local yet.
9441
9442 2006-03-24  Bernd Schmidt  <bernd.schmidt@analog.com>
9443
9444         * regrename.c (scan_rtx_address): Initialize a variable to shut up
9445         the compiler.
9446
9447 2006-03-24  Eric Botcazou  <ebotcazou@adacore.com>
9448
9449         * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9450         (rs6000_legitimate_small_data_p): Delete.
9451         * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9452         (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9453         and make static.  Add forward declaration.  Update uses.
9454         (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9455         of offsettable_memref_p.
9456         * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9457         Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9458
9459 2006-03-24  Jeff Law  <law@redhat.com>
9460
9461         * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9462         around bug in immediate-use iterator.
9463
9464 2006-03-24  Alan Modra  <amodra@bigpond.net.au>
9465
9466         PR target/26607
9467         * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9468         or __LITTLE_ENDIAN__.
9469
9470 2006-03-23  J"orn Rennecke <joern.rennecke@st.com>
9471
9472         * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9473         * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9474         * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9475         * config/sh/sh.opt (mdiv=): Amend description.
9476         * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9477         (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9478         (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9479         SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9480         (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9481         Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9482         * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9483         (udivsi3, divsi3): Use them.  Check TARGET_DIVIDE_CALL_TABLE /
9484         TARGET_DIVIDE_CALL_FP.
9485
9486 2006-03-23  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9487
9488         * haifa-sched.c (choose_ready): Fix type of the local variable.
9489         Move local variables.  Add comment.
9490         (check_reg_live): Change signature.  Make callable from debugger.
9491         * sched-int.h (check_reg_live): Update signature.
9492         * sched-ebb.c (check_reg_live): Update parameters.
9493         * sched-rgn.c (check_reg_live): Ditto.
9494         (region_head_or_leaf_p): Check pointer before dereferencing.
9495         * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9496         before reload on optimization levels below 1.
9497
9498 2006-03-23  Richard Henderson  <rth@redhat.com>
9499
9500         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9501         tls symbols.
9502
9503         PR target/26347
9504         * config/alpha/predicates.md (local_symbolic_operand): Reject
9505         weak symbols.
9506
9507 2006-03-23  Andrew Pinski  <pinskia@physics.uc.edu>
9508
9509         PR tree-opt/26795
9510         * tree-ssa-pre.c (create_value_expr_from): Don't reject
9511         expressions which have overflowed constants.
9512
9513 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
9514
9515         * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9516
9517 2006-03-23  Zdenek Dvorak <dvorakz@suse.cz>
9518
9519         * cfgloopmanip.c (create_loop_notes): Removed.
9520         * final.c (final_scan_insn): Do not handle loop notes.
9521         * jump.c (squeeze_notes): Ditto.
9522         * cfglayout.c (skip_insns_after_block,
9523         duplicate_insn_chain): Ditto.
9524         * cfgcleanup.c (rest_of_handle_jump2): Do not call
9525         create_loop_notes.
9526         * cfgloop.h (create_loop_notes): Declaration removed.
9527
9528 2006-03-23  Richard Sandiford  <richard@codesourcery.com>
9529
9530         * varasm.c (output_constant_pool): Restore fnname and fndecl
9531         arguments.
9532         (assemble_start_function): Adjust call accordingly.
9533         (assemble_end_function): Likewise.
9534
9535 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9536
9537         PR mudflap/26789
9538         * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9539
9540         PR mudflap/26790
9541         * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9542
9543 2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9544
9545         PR driver/22600
9546         * system.h (ICE_EXIT_CODE): New macro.
9547         * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9548         (diagnostic_action_after_output): Likewise.
9549         * gcc.c (fatal_ice): New function.
9550         (execute): Use it instead of fatal.
9551         (fancy_abort): Likewise.
9552         * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9553
9554 2006-03-22  Jeff Law  <law@redhat.com>
9555
9556         * loop-unroll.c (analyze_iv_to_split_insn): Handle
9557         iv_analyze_result returning false.
9558
9559 2006-03-22  Jie Zhang  <jie.zhang@analog.com>
9560
9561         * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9562
9563 2006-03-22  Richard Henderson  <rth@redhat.com>
9564
9565         PR middle-end/26084
9566         * except.c (duplicate_eh_regions_0): New.
9567         (duplicate_eh_region_1): Duplicate the children of the node as
9568         well as the node itself.  Link them up properly.
9569         (duplicate_eh_region_2): Merge into ...
9570         (duplicate_eh_regions): ... here.  Take copy_region argument, and
9571         copy only a sub-tree if asked.  Simplify copying and fixup.
9572         (eh_region_outer_p): New.
9573         * except.h (duplicate_eh_regions): Update decl.
9574         (eh_region_outer_p): Declare.
9575         * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9576         (lower_omp_master): Likewise.
9577         (lower_omp_ordered): Likewise.
9578         * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9579         (move_stmt_r): Use it to remap labels.  Handle recursion vs
9580         remap_decls_p properly.
9581         (move_block_to_fn): Pass in new_label_map.  Remap RESX_EXPR.
9582         (find_outermost_region_in_block): New.
9583         (new_label_mapper): New.
9584         (move_sese_region_to_fn): Copy eh information to the new function
9585         properly.
9586         * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9587         argument.
9588         * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9589         number.
9590
9591 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
9592
9593         * doc/md.texi (-mshared): Mention that -mshared code can be linked
9594         into shared libraries.
9595
9596 2006-03-22  Richard Sandiford  <richard@codesourcery.com>
9597
9598         * doc/md.texi: Refer to i386/constraints.md instead of
9599         i386/predicates.md.
9600         * config/i386/constraints.md: New file, extracted from...
9601         * config/i386/predicates.md: ...here.
9602         * config/i386/i386.md: Include constraints.md.
9603
9604 2006-03-21  Jason Merrill  <jason@redhat.com>
9605
9606         * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9607
9608         PR middle-end/20297
9609         * expr.c (init_block_move_fn): Force default visibility.
9610         (init_block_clear_fn): Likewise.
9611         * builtins.c (expand_builtin_fork_or_exec): Likewise.
9612         * targhooks.c (default_external_stack_protect_fail): Likewise.
9613
9614 2006-03-21  Richard Sandiford  <richard@codesourcery.com>
9615
9616         * config/mips/predicates.md (const_call_insn_operand): Allow direct
9617         calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9618         * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9619         Use TARGET_OLDABI instead of !TARGET_NEWABI.
9620         (loadgp): Use mips_current_loadgp_style.
9621         (loadgp_noshared): New pattern.
9622         (sibcall_internal): Use MIPS_CALL.
9623         (sibcall_value_internal): Likewise.
9624         (sibcall_value_multiple_internal): Likewise.
9625         (call_internal): Likewise.
9626         (call_value_internal): Likewise.
9627         (call_value_multiple_internal): Likewise.
9628         (call_split): Use MIPS_CALL and add an 'S' constraint.
9629         (call_value_split): Likewise.
9630         (call_value_multiple_split): Likewise.
9631         * config/mips/mips.opt (-mabicalls): Tweak docstring.
9632         (-mshared): New option.
9633         * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9634         (mips_current_loadgp_style): Declare.
9635         * config/mips/mips.c (mips_classify_symbol): Avoid using
9636         SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS.  Use SYMBOL_GENERAL
9637         rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9638         TARGET_ABSOLUTE_ABICALLS.
9639         (override_options): Adjust comments.  Improve the warning that is
9640         issued when -mabicalls and -G are used together.
9641         (mips_file_start): Remove comment.
9642         (mips_current_loadgp_style): New function.
9643         (mips_gnu_local_gp): New variable.
9644         (mips_emit_loadgp): Use mips_current_loadgp_style.  Handle
9645         LOADGP_ABSOLUTE.
9646         (mips_output_function_prologue): Use mips_current_laodgp_style.
9647         (mips_expand_prologue): Call mips_emit_loadgp before emitting
9648         the cprestore instruction.
9649         (mips_extra_live_on_entry): Fix reversed test.  Don't make $25
9650         live for TARGET_ABSOLUTE_ABICALLS.
9651         * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9652         (ASM_SPEC): Pass down -mshared and -mno-shared.
9653         (MIPS_CALL): New macro.
9654         * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9655         definition.
9656         * doc/invoke.texi (-mabicalls): Update documentation.
9657         (-mshared): Document.
9658
9659 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
9660
9661         * config/ia64/unwind-hpux.c: New file.
9662         * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9663
9664 2006-03-21  Steve Ellcey  <sje@cup.hp.com>
9665
9666         PR libgomp/26384
9667         * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9668
9669 2006-03-21  Jeff Law  <law@redhat.com>
9670
9671         * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9672         type conversions of a VR_VARYING source to a wider type.
9673
9674 2006-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9675
9676         * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9677         tm_file on Solaris 10 and later.
9678         (sparc64-*-solaris2*): Likewise.
9679         (sparc-*-solaris2*): Likewise.
9680         * config/sol26.h: Rename to config/sol2-6.h.
9681         * config/sol2-10.h: New file.
9682
9683 2006-03-21  Andrew Pinski  <pinskia@physics.uc.edu>
9684
9685         PR tree-opt/26781
9686         * tree-ssa-pre.c (create_component_ref_by_pieces):
9687         Handle STRING_CST.
9688
9689 2006-03-21  Jakub Jelinek  <jakub@redhat.com>
9690
9691         PR c++/26690
9692         * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9693         return it immediately.
9694
9695 2006-03-21  Michael Matz  <matz@suse.de>
9696
9697         * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9698         New members.
9699         (remove_arc, add_arc): Update num_out_arcs member.
9700         (set_out_arc_insns_equiv_num): Returns nothing instead of number
9701         of out arcs.
9702         (cache_presence): New function.
9703         (compare_states_for_equiv): New function.
9704         (state_is_differed): Don't take number of outargs, adjust callers.
9705         Use new invariant for speeding up.
9706         (init_equiv_class): Create initial classes based on sorted
9707         input.
9708         (partition_equiv_class): Don't track out_arcs_num.
9709         (evaluate_equiv_classes): Call cache_presence on all states and
9710         sort them.
9711
9712 2006-03-21  Bernd Schmidt  <bernd.schmidt@analog.com>
9713
9714         * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9715         * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9716         (bfin_valid_reg_p): Test for pseudos explicitly and use only
9717         REGNO_MODE_CODE_OK_FOR_BASE_P.  New args MODE and OUTER_CODE; all
9718         callers changed.
9719         * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9720         (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9721         (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9722         (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9723         REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9724         macros.
9725         (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9726         REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9727         (REGNO_REG_CLASS): ARGP is in PREGS.
9728         * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9729         IREGS.
9730         (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9731         to deal with those addresses.
9732         * addresses.h: New file.
9733         * caller-save.c: Include "addresses.h".
9734         (init_caller_save): Use new base_reg_class function.
9735         * rtl-factoring.c: Include "addresses.h".
9736         (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9737         * recog.c: Include "addresses.h".
9738         (preprocess_constraints): Use new base_reg_class function.
9739         * regrename.c: Include "addresses.h".
9740         (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9741         functions.  Keep track of a new var INDEX_CODE to compute valid
9742         classes.
9743         (replace_oldest_value_addr): Likewise.
9744         (replace_oldest_value_mem): Use base_reg_class.
9745         * reload.c: Include "addresses.h".
9746         (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9747         (find_reloads): Use new base_reg_class function.
9748         (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9749         (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9750         all callers and prototype changed.
9751         * reload1.c: Include "addresses.h".
9752         (maybe_fix_stack_asms): Use base_reg_class.
9753         * regclass.c: Include "addresses.h".
9754         (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9755         (init_reg_autoinc): Use new base_reg_class function.
9756         (record_reg_classes): Likewise.
9757         (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9758         OUTER_CODE and INDEX_CODE.  All callers and prototype changed.
9759         Use new args to compute necessary class.
9760
9761         * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9762         regrename.o, rtl-factoring.o): Update dependencies.
9763         * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9764         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9765         (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9766         REG_OK_FOR_INDEX_P): Delete documentation.
9767
9768 2006-03-21  Alexey Starovoytov  <alexey.starovoytov@sun.com>
9769
9770         * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9771         from V7 to V9 for Solaris 7 and above.
9772
9773 2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>
9774
9775         * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9776         * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9777         argument pointers may not alias any other storage.
9778         * common.opt: Define option -fargument-noalias-anything.
9779         * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9780         alias semantics is specified by flag_argument_noalias > 2.
9781
9782 2006-03-20  Jeff Law  <law@redhat.com>
9783
9784         * tree-pass.h (pass_phi_only_copy_prop): Delete.
9785         (pass_phi_only_cprop): Declare.
9786         * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9787         with phi_only_cprop
9788         * tree-ssa-dom.c (degenerate_phi_result): New function.
9789         (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9790         (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9791         (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9792         (eliminate_degenerate_phis): Likewise.
9793         (pass_phi_only_cprop): New pass descriptor.
9794         * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9795         support code.  Callers updated.
9796         (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9797         (store_copy_prop): Likewise.
9798         (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9799
9800 2006-03-20  Jason Merrill  <jason@redhat.com>
9801
9802         PR c++/21764
9803         * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9804         (push_visibility, pop_visibility): Likewise.
9805         * c-pragma.h: Declare them.
9806
9807 2006-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9808
9809         * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9810
9811         * config/sh/sh.c (find_regmode_weight): Change the type of the first
9812         parameter and use get_ebb_head_tail.
9813         (sh_md_init_global): Adjust uses of find_regmode_weight.
9814
9815 2006-03-20  Steven Bosscher  <stevenb.gcc@gmail.com>
9816
9817         * function.h (struct function) <x_tail_recursion_reentry>:
9818         Rename to x_stack_check_probe_note.
9819         (tail_recursion_reentry): Rename to stack_check_probe_note.
9820         * function.c: Replace tail_recursion_reentry with
9821         stack_check_probe_note everywhere.
9822         (expand_function_start): Only emit a note for
9823         stack_check_probe_note with -fstack-protect.
9824         * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9825
9826         * emit-rtl.c (remove_unnecessary_notes): Remove.
9827         (pass_remove_unnecessary_notes): Remove.
9828         * rtl.h (remove_unnecessary_notes): Remove prototype.
9829         * final.c (final_start_function): Don't call remove_unnecessary_notes.
9830         * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9831         * passes.c (pass_remove_unnecessary_notes): Don't run it.
9832
9833 2006-03-20  Andrew Pinski  <pinskia@physics.uc.edu>
9834
9835         PR tree-opt/26629
9836         * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9837         (valid_in_set): Handle ARRAY_REF.
9838         Change "if min_variant or VH" to asserts.
9839         (create_component_ref_by_pieces): Handle ARRAY_REF.
9840         (create_expression_by_pieces): Likewise.
9841         (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9842
9843 2006-03-20  David Edelsohn  <edelsohn@gnu.org>
9844
9845         * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9846         is operand of switch, not str[0].
9847
9848 2006-03-20  Alan Modra  <amodra@bigpond.net.au>
9849
9850         * config/rs6000/rs6000.c (rs6000_handle_option): Use
9851         TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9852
9853 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
9854
9855         * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9856         end of insn_extra_address_constraint declaration.
9857
9858 2006-03-19  David Edelsohn  <edelsohn@gnu.org>
9859
9860         * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9861         (no-sum-in-toc): Same.
9862         * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9863         variables.
9864         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9865         NO_FP_IN_TOC for -fPIC instead of mask.
9866
9867         * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9868         (BOOT_LDFLAGS): Delete.
9869         (LDFLAGS): Delete.
9870         * config/rs6000/t-aix52: Same.
9871
9872         * config/rs6000/rs6000.md (store_multiple_power): Delete.
9873         (stmsi[345678]_power): New.
9874
9875 2006-03-17  Steve Ellcey  <sje@cup.hp.com>
9876
9877         * config/ia64/ia64.opt: Add empty line to end of file.
9878
9879 2006-03-17  Richard Guenther  <rguenther@suse.de>
9880
9881         PR middle-end/26721
9882         * builtins.c (get_pointer_alignment): For component style references
9883         adjust alignment to the component type alignment.  Make sure
9884         to adjust alignment for component access of constants.
9885
9886 2006-03-17  David Edelsohn  <edelsohn@gnu.org>
9887
9888         * config/rs6000/rs6000.md (strlensi): Emit barrier after
9889         unconditional jump.
9890
9891 2006-03-17  Paul Brook  <paul@codesourcery.com>
9892
9893         * doc/install.texi: Docuemnt --with-mode.
9894         * config.gcc: Add --with-mode for arm*-*-*.
9895         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9896
9897 2006-03-17  J"orn Rennecke <joern.rennecke@st.com>
9898
9899         * sh.c (max_labelno_before_reorg): New variable.
9900         (sh_reorg): Initialize it.
9901         (find_barrier): Check max_labelno_before_reorg before using
9902         label_to_alignment.  Take length of explicit alignment insns
9903         into account.  When seeing a UNSPECV_CONST_END, return it.
9904
9905         * sh.c (fixup_mova): Set mode of affected label to QImode.
9906         (untangle_mova): New function.
9907         (find_barrier): Use it.  Check mode of label before decrementing
9908         num_mova.
9909         (sh_reorg): Likewise.
9910         Set mode of all insns back to VOIDmode.
9911
9912         * sh.c (MOVA_LABELREF): New macro.
9913         (mova_p, fixup_mova, sh_reorg): Use it.
9914         (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9915         ADDR_DIFF_VEC matches mova.
9916
9917 2006-03-17  Steven Bosscher  <stevenb.gcc@gmail.com>
9918
9919         * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9920         with ATTRIBUTE_UNUSED.
9921
9922 2006-03-17  Alexandre Oliva  <aoliva@redhat.com>
9923
9924         * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9925         pointer, instead of assuming it is possible to derive the
9926         correct args size from a call insn.
9927
9928 2006-03-16  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9929
9930         * rtl.h (CONST_INT_P): Define.
9931         * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9932         instead of GET_CODE(x) == CONST_INT.
9933         (vax_rtx_costs): Likewise.
9934         (vax_output_int_move): Likewise.
9935         (vax_output_int_add): Likewise.
9936         (legitimate_constant_address_p): Likewise.
9937         (index_term_p): Likewise.
9938         * config/vax/vax.h (PRINT_OPERAND): Likewise.
9939         * config/vax/vax.md (and<mode>3): Likewise.
9940         (ashrsi3): Likewise.
9941         (extv): Likewise.
9942         (movstricthi): Likewise.
9943         (movstrictqi): Likewise.
9944         (rotrsi3): Likewise.
9945         (five unnamed insns): Likewise.
9946
9947 2006-03-16  Geoffrey Keating  <geoffk@apple.com>
9948
9949         * doc/tm.texi (SDB and DWARF): Add extra parameter to
9950         ASM_OUTPUT_DWARF_OFFSET.  Use @var to indicate metavariables.
9951         * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9952         * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9953         Pass to ASM_OUTPUT_DWARF_OFFSET.
9954         * dwarf2out.c (debug_frame_section): New.
9955         (output_call_frame_info): Use debug_frame_section.  Pass it to
9956         dw2_asm_output_offset.
9957         (output_die): Pass appropriate section to dw2_asm_output_offset.
9958         (output_compilation_unit_header): Likewise.
9959         (output_pubnames): Likewise.
9960         (output_aranges): Likewise.
9961         (enum dw_val_class): Break dw_val_class_lbl_offset into
9962         dw_val_class_lineptr and dw_val_class_macptr.
9963         (add_AT_lbl_offset): Delete.
9964         (add_AT_lineptr): New.
9965         (add_AT_macptr): New.
9966         (AT_lbl): Expect a lineptr or macptr.
9967         (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9968         (attr_checksum): Likewise.
9969         (same_dw_val_p): Likewise.
9970         (size_of_die): Likewise.
9971         (value_format): Likewise.
9972         (output_die): Likewise.
9973         (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9974         add_AT_lbl_offset.
9975         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9976         * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9977         * config/darwin-protos.h (darwin_file_start): New.
9978         (darwin_asm_output_dwarf_offset): New.
9979         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9980         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9981         darwin_file_start.
9982         * config/darwin.c (darwin_emit_unwind_label): Don't output label
9983         if not EH section; simplify.
9984         (darwin_file_start): New.
9985         (darwin_asm_output_dwarf_offset): New.
9986         * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9987         mark as 'debug'.
9988         (DEBUG_INFO_SECTION): Likewise.
9989         (DEBUG_ABBREV_SECTION): Likewise.
9990         (DEBUG_ARANGES_SECTION): Likewise.
9991         (DEBUG_MACINFO_SECTION): Likewise.
9992         (DEBUG_LINE_SECTION): Likewise.
9993         (DEBUG_LOC_SECTION): Likewise.
9994         (DEBUG_PUBNAMES_SECTION): Likewise.
9995         (DEBUG_STR_SECTION): Likewise.
9996         (DEBUG_RANGES_SECTION): Likewise.
9997         (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9998         (ASM_OUTPUT_DWARF_OFFSET): New.
9999
10000 2006-03-16  Joseph S. Myers  <joseph@codesourcery.com>
10001
10002         * config.gcc (tm_defines): Always add to previous value rather
10003         than replacing it.
10004
10005 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
10006
10007         * config/mips/predicates.md (splittable_const_int_operand): New,
10008         split from move_operand.
10009         (splittable_symbolic_operand): New.
10010         (move_operand): Add commentary.  Use splittable_const_int_operand.
10011         Inline mips_atomic_symbolic_constant_p.
10012         * config/mips/mips.md: Add combine splitters for handling moves
10013         of splittable_const_int_operands and splittable_symbolic_operands.
10014         * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10015         (mips_split_symbol): Declare.
10016         (mips_move_integer): Declare.
10017         * config/mips/mips.c (mips_split_p): Make global.
10018         (TARGET_MIN_ANCHOR_OFFSET): Override default.
10019         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10020         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10021         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10022         (mips_offset_within_object_p): Handle block symbols.
10023         (mips_atomic_symbolic_constant_p): Delete.
10024         (mips_cannot_force_const_mem): Return false for constants that
10025         mips_legitimize_move can handle.
10026         (mips_use_blocks_for_constant_p): New function.
10027         (mips_split_symbol): Make global.
10028         (mips_move_integer): Likewise.  Add a temporary register argument.
10029         (mips_legitimize_const_move): Use splittable_const_int_operand and
10030         splittable_symbolic_operand.
10031         (mips_use_anchors_for_symbol_p): New function.
10032         * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10033         (mips_split_p): Declare.
10034
10035 2006-03-16  Richard Sandiford  <richard@codesourcery.com>
10036
10037         * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10038         (mips*-*-linux*): Likewise.
10039
10040 2006-03-16  Roger Sayle  <roger@eyesopen.com>
10041             Daniel Speyer  <dspeyer@wam.umd.edu>
10042
10043         PR middle-end/18259
10044         * tree-dump.c (dump_real): New function.
10045         (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10046         * Makefile.in (REAL_H): New macro for dependencies on real.h.
10047         (tree-dump.o): Add $(REAL_H) to the dependencies.
10048
10049 2006-03-16  Roger Sayle  <roger@eyesopen.com>
10050
10051         PR middle-end/21781
10052         * real.c (real_from_string): If the mantissa is zero, don't bother
10053         parsing the exponent as the result should always be zero.
10054
10055 2006-03-16  Andreas Krebbel  <krebbel1@de.ibm.com>
10056
10057         * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10058
10059 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10060
10061         * config/ia64/ia64.c (stops_p): Added explicit initialization.
10062         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10063         ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10064         ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10065         ia64_sched_finish_global): New static functions to implement
10066         hooks from gcc_target.sched.
10067         (spec_check_no, max_uid, pending_data_specs): New static variables.
10068         (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10069         ia64_spec_check_src_p): New static functions.
10070         (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10071         (TARGET_SCHED_ADJUST_COST): Removed.
10072         (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10073         TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10074         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10075         TARGET_SCHED_GEN_CHECK,
10076         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10077         TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10078         (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10079         Fixed to handle speculation checks.
10080         (rtx_needs_barrier): Fixed to handle speculative loads and
10081         their checks.
10082         (ia64_variable_issue): Added code to count speculative loads and their
10083         checks.
10084         (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10085         speculative loads.
10086         (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10087         New enumerations.
10088         (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10089         New constants.
10090         (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10091         (ia64_reorg): Reset stops_p to NULL after it is freed.
10092         * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10093         UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10094         (itanium_class): chk_s renamed to chk_s_i.  New constants: chk_s_f,
10095         chk_a.
10096         (data_speculative, control_speculative, check_load): New attributes.
10097         (mov<mode>_advanced, mov<mode>_speculative,
10098         mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10099         zero_extend<mode>di2_speculative,
10100         zero_extend<mode>di2_speculative_advanced): New patterns for
10101         data and control speculative loads.
10102         (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10103         check loads.
10104         (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10105         New pattern for data and control speculation checks.
10106         (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10107         ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10108         reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10109         Auxiliary definitions for the patterns.
10110         * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10111         1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10112         constraints.
10113         (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10114         for speculation.
10115         (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10116         * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10117         2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10118         New resource constraints.
10119         (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10120         for speculation.
10121         (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10122         * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10123         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10124         msched-in-control-spec, msched-ldc, msched-control-ldc,
10125         msched-spec-verbose, msched-prefer-non-data-spec-insns,
10126         msched-prefer-non-control-spec-insns,
10127         msched-count-spec-in-critical-path): New flags to tune speculative
10128         scheduling.
10129         * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10130         msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10131         msched-in-control-spec, msched-ldc, msched-control-ldc,
10132         msched-spec-verbose, msched-prefer-non-data-spec-insns,
10133         msched-prefer-non-control-spec-insns,
10134         msched-count-spec-in-critical-path): Document new flags.
10135
10136 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10137
10138         * target.h (struct spec_info_def): New opaque declaration.
10139         (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10140         speculate_insn, needs_block_p, gen_check,
10141         first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10142         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10143         TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10144         TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10145         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10146         TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10147         gcc_target.sched.
10148         (TARGET_SCHED): Use new macros.
10149         * rtl.h (copy_DEPS_LIST_list): New prototype.
10150         * sched-int.h (struct sched_info): Change signature of new_ready field,
10151         adjust all initializations. New fields: add_remove_insn,
10152         begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10153         region_head_or_leaf_p.
10154         (struct spec_info_def): New structure declaration.
10155         (spec_info_t): New typedef.
10156         (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10157         recovery_block, orig_pat.
10158         (glat_start, glat_end): New variables declaraions.
10159         (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10160         New access macros.
10161         (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10162         DETACH_LIFE_INFO, USE_GLAT.
10163         (enum SPEC_SCHED_FLAGS): New enumeration.
10164         (NOTE_NOTE_BB_P): New macro.
10165         (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10166         attach_life_info, debug_spec_status, check_reg_live): New functions.
10167         (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10168         all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10169         sched-ebb.c
10170         (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10171         * ddg.c (get_block_head_tail): Adjust all uses.
10172         * modulo-sched.c (get_block_head_tail): Adjust all uses.
10173         (sms_sched_info): Initialize new fields.
10174         (contributes_to_priority): Removed.
10175         * haifa-sched.c (params.h): New include.
10176         (get_block_head_tail): Adjust all uses.
10177         (ISSUE_POINTS): New macro.
10178         (glat_start, glat_end): New global variables.
10179         (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10180         nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10181         old_last_basic_block, before_recovery, current_sched_info_var,
10182         rgn_n_insns, luid): New static variables.
10183         (insn_cost1): New function.  Move logic from insn_cost to here.
10184         (find_insn_reg_weight1): New function.  Move logic from
10185         find_insn_reg_weight to here.
10186         (reemit_notes, move_insn, max_issue): Change signature.
10187         (move_insn1): Removed.
10188         (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10189         extend_bb): New static functions to support extension of scheduler's
10190         data structures.
10191         (generate_recovery_code, process_insn_depend_be_in_spec,
10192         begin_speculative_block, add_to_speculative_block,
10193         init_before_recovery, create_recovery_block, create_check_block_twin,
10194         fix_recovery_deps): New static functions to support
10195         generation of recovery code.
10196         (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10197         restore_bb_notes, move_block_after_check, move_succs): New static
10198         functions to support ebb scheduling.
10199         (init_glat, init_glat1, attach_life_info1, free_glat): New static
10200         functions to support handling of register live information.
10201         (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10202         sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10203         add_jump_dependencies): New static functions.
10204         (check_cfg, has_edge_p, check_sched_flags): New static functions for
10205         consistancy checking.
10206         (debug_spec_status): New function to call from debugger.
10207         (priority): Added code to handle speculation checks.
10208         (rank_for_schedule): Added code to distinguish speculative instructions.
10209         (schedule_insn): Added code to handle speculation checks.
10210         (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10211         Fixed to handle ebbs.
10212         (move_insn): Added code to handle ebb scheduling.
10213         (max_issue): Added code to use ISSUE_POINTS of instructions.
10214         (choose_ready): Added code to choose between speculative and
10215         non-speculative instructions.
10216         (schedule_block): Added code to handle ebb scheduling and scheduling of
10217         speculative instructions.
10218         (sched_init): Initialize new variables.
10219         (sched_finish): Free new variables.  Print statistics.
10220         (try_ready): Added code to handle speculative instructions.
10221         * lists.c (copy_DEPS_LIST_list): New function.
10222         * sched-deps.c (extend_dependency_caches): New function.  Move logic
10223         from create_dependency_caches to here.
10224         (get_dep_weak, ds_merge): Make global.
10225         * genattr.c (main): Code to output prototype for
10226         dfa_clear_single_insn_cache.
10227         * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10228         (output_dfa_clean_insn_cache_func): Code to output
10229         dfa_clear_single_insn_cache function.
10230         * sched-ebb.c (target_n_insns): Remove.  Adjust all users to use
10231         n_insns.
10232         (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10233         Removed.
10234         (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10235         New static variables.
10236         (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10237         fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10238         struct sched_info.
10239         (ebb_sched_info): Initialize new fields.
10240         (get_block_head_tail): Adjust all uses.
10241         (compute_jump_reg_dependencies): Fixed to use glat_start.
10242         (schedule_ebb): Code to remove unreachable last block.
10243         (schedule_ebbs): Added code to update register live information.
10244         * sched-rgn.c (region_sched_info): Initialize new fields.
10245         (get_block_head_tail): Adjust all uses.
10246         (last_was_jump): Removed.  Adjust users.
10247         (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10248         add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10249         Implement new hooks.
10250         (check_dead_notes1): New static function.
10251         (struct region): New fields: dont_calc_deps, has_real_ebb.
10252         (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10253         (BB_TO_BLOCK): Fixed to handle EBBs.
10254         (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10255         (ebb_head): New static variable.
10256         (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10257         (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10258         new fields.
10259         (compute_dom_prob_ps): New assertion.
10260         (check_live_1, update_live_1): Fixed to work with glat_start instead of
10261         global_live_at_start.
10262         (init_ready_list): New assertions.
10263         (can_schedule_ready_p): Split update code to begin_schedule_ready.
10264         (new_ready): Add support for BEGIN_CONTROL speculation.
10265         (schedule_insns): Fixed code that updates register live information
10266         to handle EBBs.
10267         (schedule_region): Fixed to handle EBBs.
10268         (init_regions): Use extend_regions and check_dead_notes1.
10269         * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10270         PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10271         * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10272         TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10273         TARGET_SCHED_GEN_CHECK,
10274         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10275         TARGET_SCHED_SET_SCHED_FLAGS): Document.
10276         * doc/invoke.texi (max-sched-insn-conflict-delay,
10277         sched-spec-prob-cutoff): Document.
10278
10279 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10280
10281         * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10282         inter_tick, queue_index.
10283         (struct sched_info): Change signature of init_ready_list field.
10284         Adjust all initializations.
10285         (RESOLVED_DEPS): New access macro.
10286         (ready_add): Remove prototype.
10287         (try_ready): Add prototype.
10288         * sched-rgn.c (init_ready_list): Use try_ready.
10289         (schedule_region): Initialize
10290         current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10291         * sched-ebb.c (new_ready): Remove.  Adjust ebb_sched_info.
10292         (init_ready_list): Use try_ready.
10293         (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10294         * lists.c (remove_list_elem): Remove `static'.
10295         (remove_free_INSN_LIST_elem): New function.
10296         * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10297         * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10298         (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10299         New constants.
10300         (readyp): New variable.
10301         (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10302         change_queue_index, resolve_dep): New static functions.
10303         (try_ready): New function.  Adjust callers in sched-rgn.c and
10304         sched-ebb.c to use it instead of ready_add.
10305         (clock_var): Move at the begining of file.
10306         (rank_for_schedule): Fix typo.
10307         (queue_insn): Add assertion.  Handle QUEUE_INDEX.
10308         (ready_lastpos): Enforce assertion.
10309         (ready_add): Make it static.  Handle QUEUE_INDEX.  Add new argument,
10310         update all callers.
10311         (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10312         (schedule_insn): Rewrite to use try_ready and resolve_dep.
10313         (queue_to_ready): Use free_INSN_LIST_list.
10314         (early_queue_to_ready): Fix typo.
10315         (schedule_block): Init readyp.  Move init_ready_list call after the
10316         initialization of clock_var.  Fix error in rejecting insn by
10317         targetm.sched.dfa_new_cycle.  Add call to fix_inter_tick.  Remove code
10318         that previously corrected INSN_TICKs.  Add code for handling
10319         QUEUE_INDEX.
10320         (set_priorities): Fix typo.
10321         (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10322         Clarify comment and code that keeps current_sched_info->next_tail
10323         non-null.
10324
10325 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10326
10327         * sched-rgn.c (extend_rgns): New static function.
10328         (find_rgns): Use it.
10329         (gather_region_statistics, print_region_statistics): New static
10330         functions.
10331         * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10332         * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10333
10334 2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10335             Andrey Belevantsev <abel@ispras.ru>
10336
10337         * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10338         * lists.c (unused_deps_list): New variable.
10339         (free_list): Add assertions to verify the proper distinguishing
10340         between INSN_LISTs and DEPS_LISTs.
10341         (find_list_elem, remove_list_elem, remove_list_node): New static
10342         functions.
10343         (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10344         remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10345         remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10346         (alloc_INSN_LIST): Assert that the list we're working on is indeed
10347         an INSN_LIST.
10348         (free_INSN_LIST_node): Likewise.
10349         * modulo-sched.c (current_sched_info): Initialize flags field.
10350         * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10351         * rtl.def (DEPS_LIST): Define.
10352         * rtl.h: Declare new functions from lists.c.
10353         * sched-deps.c (spec_dependency_cache): New static variable.
10354         (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10355         (add_dependence): Change return type to void.  Move the logic to ...
10356         (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
10357         (delete_all_dependences): Add comment about forward_dependency_cache.
10358         Handle spec_dependency_cache.  Handle DEPS_LISTs.
10359         (fixup_sched_groups): Clarify the change of priority of output
10360         and anti dependencies.
10361         (sched_analyze_2): Adjust add_dependence calls to create data
10362         speculative dependence.
10363         (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10364         Adjust all callers.  Handle DEPS_LISTS.
10365         (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
10366         presence of speculation.
10367         (init_dependency_caches, free_dependency_caches):
10368         Handle spec_dependency_cache.
10369         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10370         estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10371         New static functions.
10372         (add_or_update_back_dep, add_or_update_back_forw_dep,
10373         add_back_forw_dep, delete_back_forw_dep): New functions.
10374         * sched-int.h (ds_t, dw_t): New typedefs.
10375         (struct sched_info): Add new field flags.
10376         (struct haifa_insn_data): Add new bitfield has_internal_dep.
10377         Prototype new sched-deps.c functions.
10378         (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10379         (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10380         MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10381         BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10382         SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10383         SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10384         New constants.
10385         (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10386         New enums.
10387         * sched-rgn.c (current_sched_info): Initialize flags field.
10388         (schedule_insns): Initialize current_sched_info before the sched_init
10389         call.
10390         * sched-ebb.c (current_sched_info): Initialize flags field.
10391         (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10392         Call add_or_update_back_dep instead of add_dependence.
10393         Create control speculative dependencies.
10394         (schedule_insns): Initialize current_sched_info before the sched_init
10395         call.
10396
10397 2006-03-16  Kaz Kojima  <kkojima@gcc.gnu.org>
10398
10399         * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10400         fs->signal_frame.
10401         (sh_fallback_frame_state): Likewise.
10402
10403 2006-03-15  Geoffrey Keating  <geoffk@apple.com>
10404
10405         * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10406         Do switch on default_use_cxa_atexit.
10407         (powerpc*-*-darwin*): Build crt2.o on powerpc.
10408         * config/darwin-crt3.o: New.
10409         * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10410         to 10.3.  Pass '-multiply_defined suppress' if crt3.o is in use.
10411         (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10412         OS version.
10413         * config/rs6000/t-darwin: Move crt2.o building to here.
10414         * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10415         Mac OS version for using __cxa_get_exception_ptr.  Don't test versions
10416         of __cxa_atexit.
10417
10418 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10419
10420         * config/vax/vax.c (nonindexed_address_p): Change logical negation
10421         from '! xxx' to '!xxx' for coding-style conformance.
10422         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10423         (EXTRA_CONSTRAINT): Likewise.
10424         * config/vax/vax.md (four unnamed insns): Likewise.
10425
10426 2006-03-15  Paul Brook  <paul@codesourcery.com>
10427
10428         * config/arm/arm.c (minipool_pad): New.
10429         (add_minipool_forward_ref): Include pool alignment padding in address
10430         calculation.
10431         (push_minipool_fix): Set minipool_pad.
10432         (minipool_pad): Ditto.
10433
10434 2006-03-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10435
10436         * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10437         instead of GET_CODE() == MEM and REG_P() instead of
10438         GET_CODE() == REG.
10439         (print_operand_address): Likewise.
10440         (vax_address_cost): Likewise.
10441         (vax_rtx_costs): Likewise.
10442         (vax_notice_update_cc): Likewise.
10443         (vax_output_int_add): Likewise.
10444         (INDEX_REGISTER_P): Likewise.
10445         (BASE_REGISTER_P): Likewise.
10446         (nonindexed_address_p): Likewise.
10447         (vax_mode_dependent_address_p): Likewise.
10448         * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10449         (PRINT_OPERAND): Likewise.
10450         * config/vax/vax.md (ashlsi3): Likewise.
10451         (ashlsi3): Likewise.
10452         (some more unnamed insns): Likewise.
10453
10454 2006-03-15  Kazu Hirata  <kazu@codesourcery.com>
10455
10456         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10457         iterator-style macro.
10458         (mark_control_dependent_edges_necessary): Update the use of
10459         EXECUTE_IF_CONTROL_DEPENDENT.
10460
10461 2006-03-15  J"orn Rennecke <joern.rennecke@st.com>
10462
10463         * config/sh/predicates.md (cache_address_operand): Special.
10464         (ua_address_operand): Likewise.
10465
10466 2006-03-15  Zdenek Dvorak <dvorakz@suse.cz>
10467
10468         * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10469         loop notes.
10470         * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10471
10472 2006-03-15  Andreas Schwab  <schwab@suse.de>
10473
10474         * gensupport.c (identify_predicable_attribute): Don't free p_false
10475         when it is still in use.
10476
10477 2006-03-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
10478
10479         * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10480         the default setting here.
10481
10482 2006-03-14  Steven Bosscher  <stevenb.gcc@gmail.com>
10483
10484         * tree-pass.h (pass_cfg): Remove.
10485         * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10486         * passes.c (pass_cfg): Don't run it.
10487
10488 2006-03-14  Kazu Hirata  <kazu@codesourcery.com>
10489
10490         * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10491         * reg-stack.c (stack_regs_mentioned_data): Change the type to
10492         VEC(char,heap) *.
10493         (stack_regs_mentioned): Update the uses of
10494         stack_regs_mentioned_data.  Don't access the array beyond its
10495         end.
10496         (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10497         Don't include gt-reg-stack.h.
10498
10499         * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10500         * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10501
10502         * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10503
10504         PR middle-end/26684
10505         * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10506         STACK_REGS.
10507
10508 2006-03-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10509
10510         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10511
10512 2006-03-14  Richard Guenther  <rguenther@suse.de>
10513
10514         PR tree-optimization/26672
10515         * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10516         SSA form.
10517
10518 2006-03-14  Richard Guenther  <rguenther@suse.de>
10519
10520         PR tree-optimization/26667
10521         * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10522         node for the callees.  Always allow inlining if it will shrink
10523         the function size.
10524
10525 2006-03-14  Richard Guenther  <rguenther@suse.de>
10526
10527         PR middle-end/26659
10528         * builtins.c (get_pointer_alignment): Prefer alignment
10529         information from decls over that from types.
10530
10531 2006-03-14  Andrew Pinski  <pinskia@physics.uc.edu>
10532
10533         PR target/26657
10534         * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10535
10536 2006-03-14  Joseph S. Myers  <joseph@codesourcery.com>
10537
10538         * config/rs6000/rs6000.opt (mdlmzb): New option.
10539         (msched-prolog, msched-epilog): Use Var not Mask.
10540         * doc/invoke.texi (-mdlmzb): Document.
10541         * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10542         MASK_SCHED_PROLOG.
10543         (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10544         * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10545
10546 2006-03-13  Uttam Pawar  <uttamp@us.ibm.com>
10547
10548         PR rtl-optimization/25739
10549         * bt-load.c (augment_live_range): Free tos pointer.
10550
10551         * gensupport.c (identify_predicable_attribute): Free
10552         p_false pointer.
10553         * gcov.c (create_file_names): Free name pointer.
10554
10555 2006-03-13  Roger Sayle  <roger@eyesopen.com>
10556
10557         PR middle-end/26557
10558         * stmt.c (emit_case_nodes): Handle the case where the index is a
10559         CONST_INT, where the comparison mode is specified by the index type.
10560
10561 2006-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10562
10563         * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10564         is defined.
10565
10566 2006-03-13  Richard Sandiford  <richard@codesourcery.com>
10567
10568         * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10569         (*branch_fp_inverted): Likewise.
10570
10571 2006-03-13  Jakub Jelinek  <jakub@redhat.com>
10572
10573         PR middle-end/25989
10574         * omp-low.c (expand_omp_for_generic): Mark istart0
10575         and iend0 as addressable.
10576
10577 2006-03-13  Jie Zhang  <jie.zhang@analog.com>
10578
10579         * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10580
10581 2006-03-13  Jeff Law  <law@redhat.com>
10582
10583         * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10584         virtual operands are interesting.
10585         (vrp_visit_stmt): Corresponding changes.
10586
10587 2006-03-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10588
10589         * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10590         of RETS.
10591         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10592         TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10593         * config/bfin/crti.S: Use it instead of __PIC__.
10594         * config/bfin/crtn.S: Likewise.
10595
10596         * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10597         call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10598         not if flag_pic.
10599         Lose 'G' modifier for call operand.
10600         * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10601         recognize 'G' modifier.
10602
10603 2006-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10604
10605         PR middle-end/18859
10606         * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10607         * stmt.c (expand_case): Likewise.
10608
10609 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10610
10611         PR rtl-optimization/26254
10612         * loop-invariant.c (seq_insns_valid_p): New function.
10613         (move_invariant_reg): Only emit new code if it is valid.
10614
10615 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10616
10617         * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10618         Removed.
10619         (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10620         (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10621         (commit_one_edge_insertion): Do not look for loop notes.
10622
10623 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10624
10625         * jump.c (follow_jumps): Do not check for loop notes.  Move check for
10626         flag_test_coverage out of loop.
10627
10628 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10629
10630         * final.c (shorten_branches): Remove outdated comment, and turn
10631         the if branch that guards it to continue.
10632
10633 2006-03-13  Zdenek Dvorak <dvorakz@suse.cz>
10634
10635         * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10636         * cfgloop.h (struct loop): Remove unused fields.
10637
10638 2006-03-13  Kazu Hirata  <kazu@codesourcery.com>
10639
10640         * doc/invoke.texi (-fdump-rtl-loop): Remove.
10641         (-dL, -fdump-rtl-loop2): Update the dump file names
10642
10643         * doc/invoke.texi: Update dump file names.
10644
10645 2006-03-12  Steven Bosscher  <stevenb.gcc@gmail.com>
10646
10647         * predict.c (estimate_probability): Remove.
10648         * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10649         * basic-block.h (estimate_probability): Remove prototype.
10650         * passes.c (finish_optimization_passes): Dump branch prediction or
10651         profiling heuristics to the .profile tree dump.
10652         (init_optimization_passes): Unqueue pass_branch_prob.
10653
10654         * doc/invoke.texi (-fdump-rtl-bp): Remove.
10655
10656 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10657
10658         * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10659         * rtl.h (LABEL_NEXTREF): Remove field accessor.
10660
10661 2006-03-11  Eric Botcazou  <ebotcazou@adacore.com>
10662
10663         * function.h (frame_offset_overflow): Declare.
10664         * function.c (frame_offset_overflow): New function.
10665         (assign_stack_local_1): Call it to detect that the offset overflows.
10666         * cfgexpand.c (alloc_stack_frame_space): Likewise.
10667
10668 2006-03-11  Steven Bosscher  <stevenb.gcc@gmail.com>
10669
10670         * config/sh/sh.c: Include alloc-pool.h.
10671         (label_ref_list_pool): New alloc pool.
10672         (label_ref_list_t): New type for lists of labels.
10673         (struct pool_node): Make wend a label_ref_list_t.
10674         (add_constant): Use the new type, eradicate LABEL_NEXTREF
10675         references.
10676         (dump_table): Likewise.
10677         (sh_reorg): Set up the alloc pool before using add_constant and
10678         dump_table, and destroy it when finishing.
10679
10680 2006-03-11  Richard Sandiford  <richard@codesourcery.com>
10681
10682         * config/mips/mips.c: Remove redundant comment.
10683
10684 2006-03-10  Jason Merrill  <jason@redhat.com>
10685
10686         PR c/26004
10687         * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10688         the target was declared 'register'.
10689
10690 2006-03-10  Adam Nemet  <anemet@caviumnetworks.com>
10691
10692         * genpreds.c (write_insn_constraint_len): Change definition of
10693         insn_constraint_len to return size_t to match the declaration.
10694
10695 2006-03-10  DJ Delorie  <dj@redhat.com>
10696
10697         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10698         start at zero.
10699         (m32c_expand_insv): Fix test for an AND mask.
10700
10701 2006-03-10  Richard Guenther  <rguenther@suse.de>
10702
10703         PR middle-end/26565
10704         * builtins.c (get_pointer_alignment): Handle component
10705         references for field alignment.
10706
10707 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
10708
10709         * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10710         when building with libgloss.
10711         (sh*elf): Implement --without-fp option.
10712         (sh64-superh-linux*): Don't multilib.
10713
10714 2006-03-10  J"orn Rennecke <joern.rennecke@st.com>
10715
10716         * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10717
10718 2006-03-09  Andrew Pinski  <pinskia@physics.uc.edu>
10719
10720         * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10721         Set it when one of the replacement functions returned true.
10722         Return TODO_cleanup_cfg if cfgchanged is true.
10723         (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10724
10725 2006-03-09  Adam Nemet  <anemet@caviumnetworks.com>
10726
10727         * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10728         instead of gen_lowpart.
10729
10730 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
10731
10732         * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10733         interface.
10734         (mips_output_order_conditional_branch): Declare.
10735         * config/mips/mips.h (MIPS_BRANCH): New macro.
10736         * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10737         for the comparison.  Use gen_condjump.
10738         (mips_output_conditional_branch): Rework interface to take the
10739         asm templates for a direct branch and the inverse of a direct branch.
10740         (mips_output_order_conditional_branch): New function.
10741         (mips_builtin_branch_and_move): New function.
10742         (mips_expand_builtin_compare): Use it.  Use VOIDmode for the
10743         branch condition.  Use gen_single_cc as the condition for
10744         __builtin_mips_upper_* or __builtin_mips_lower_*.
10745         (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10746         Use VOIDmode for the branch condition.
10747         * config/mips/predicates.md (order_operator): New predicate.
10748         * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10749         (branch_fp): Rename to...
10750         (*branch_fp): ...this.  Remove mode from comparison operator.
10751         Use new mips_output_conditional_branch interface.
10752         (branch_fp_inverted): Rename to...
10753         (*branch_fp_inverted): ...this and update as for *branch_fp.
10754         (*branch_zero<mode>): Rename to...
10755         (*branch_order<mode>): ...this.  Remove mode from comparison operator.
10756         Use mips_output_order_conditional_branch.  Only accept ordered
10757         comparisons.
10758         (*branch_zero<mode>_inverted): Rename to...
10759         (*branch_order<mode>_inverted): ...this and update as for
10760         *branch_order<mode>.
10761         (*branch_equality<mode>): Accept zero as the second operand to
10762         the equality operator.  Use the new mips_output_conditional_branch
10763         interface.
10764         (*branch_equality<mode>_inverted): Likewise.
10765         (condjump): New expander.
10766         * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10767         operator.
10768         * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10769         (bc1any2t, bc1any2f): Likewise.
10770         (single_cc): New expander.
10771         (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10772
10773 2006-03-09  Richard Sandiford  <richard@codesourcery.com>
10774
10775         * doc/md.texi: Update documentation of MIPS constraints.
10776         * config/mips/constraints.md: New file.
10777         * config/mips/mips.md: Include it.
10778         * config/mips/mips.c (mips_char_to_class): Delete.
10779         (override_options): Don't initialize mips_char_to_class.
10780         * config/mips/mips.h (mips_char_to_class): Delete.
10781         (REG_CLASS_FROM_LETTER): Delete.
10782         (CONST_OK_FOR_LETTER_P): Delete.
10783         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10784         (EXTRA_CONSTRAINT_Y): Delete.
10785         (EXTRA_CONSTRAINT_STR): Delete.
10786         (CONSTRAINT_LEN): Delete.
10787         (EXTRA_MEMORY_CONSTRAINT): Delete.
10788
10789 2006-03-09  Diego Novillo  <dnovillo@redhat.com>
10790
10791         * tree-cfg.c (move_block_to_fn): Remove the statements from the
10792         original fn's eh regions.
10793
10794 2006-03-09  Eric Botcazou  <ebotcazou@adacore.com>
10795
10796         * fold-const.c (build_range_check): Make sure to use a valid type to
10797         apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10798         transformation.
10799
10800         (range_predecessor): New static function.
10801         (range_successor): Likewise.
10802         (merge_ranges): Use them to compute predecessors and successors of
10803         range bounds.
10804
10805 2006-03-09  Roger Sayle  <roger@eyesopen.com>
10806
10807         PR middle-end/26561
10808         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10809         X op C3, consider whether C3 overflows towards +Inf or -Inf.
10810
10811 2006-03-08  DJ Delorie  <dj@redhat.com>
10812
10813         * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10814         (addpsi3): Expand to include memory operands.  Remove
10815         reload-specific splits.
10816         * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10817         (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10818         (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10819         (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10820         (shift1_qi, shift1_hi, insv): New.
10821         * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10822         (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10823         cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10824         cond_to_int): New.
10825         * config/m32c/m32c-protos.h: Update as needed.
10826         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10827         default the Rcr, Rcl, Raw, and Ral constraints.  Add Ra0 and Ra1.
10828         Fail for unrecognized R* constraints.
10829         (m32c_cannot_change_mode_class): Be more picky about pseudos.
10830         (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10831         (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10832         Add Sp constraint.
10833         (m32c_init_libfuncs): New.
10834         (m32c_legitimate_address_p): Add debug wrapper.
10835         (m32c_rtx_costs): New.
10836         (m32c_address_cost): New.
10837         (conversions): Add 'B' prefix.
10838         (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10839         operands, or word regnames for QI operands.  'B' prints bit
10840         position.
10841         (m32c_expand_setmemhi): New.
10842         (m32c_expand_movmemhi): New.
10843         (m32c_expand_movstr): New.
10844         (m32c_expand_cmpstr): New.
10845         (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10846         (m32c_expand_neg_mulpsi3): Handle non-ints.
10847         (m32c_cmp_flg_0): New.
10848         (m32c_expand_movcc): New.
10849         (m32c_expand_insv): New.
10850         (m32c_scc_pattern): New.
10851         * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS.  Take
10852         a0/a1 out of SIregs.
10853         (STORE_FLAG_VALUE): New.
10854         * config/m32c/m32c.md: Add unspecs for string moves.  Define various mode and
10855         code macros.
10856         (no_insn): New.
10857         * config/m32c/mov.md: Make constraints more liberal.
10858         (zero_extendqihi2): Optimize r0/r1 case.
10859         * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10860         * config/m32c/predicates.md (m32c_any_operand): New.
10861         (m32c_nonimmediate_operand): New.
10862         (m32c_hl_operand): New.
10863         (m32c_r3_operand): New.
10864         (ap_operand): New.
10865         (ma_operand): New.
10866         (memsym_operand): New.
10867         (memimmed_operand): New.
10868         (a_qi_operand): New.
10869         (m32c_eqne_operator): New.
10870         (m32c_1bit8_operand): New.
10871         (m32c_1bit16_operand): New.
10872         (m32c_1mask8_operand): New.
10873         (m32c_1mask16_operand): New.
10874         * config/m32c/blkmov.md: New file.
10875         * config/m32c/t-m32c (MD_FILES): Add blkmov.
10876
10877 2006-03-08  Andreas Tobler  <a.tobler@schweiz.ch>
10878
10879         * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10880         unsigned to fix signed/unsigned comparison issue in
10881         DWARF2_FRAME_REG_OUT.
10882         (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10883         unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10884
10885         * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10886         of ptr into the ENABLE_CHECKING section.
10887
10888 2006-03-08  Jeff Law  <law@redhat.com>
10889
10890         * tree-vrp.c (infer_value_range): Only count pointer uses
10891         and dereferences if -fdelete-null-pointer-checks is enabled.
10892
10893         * tree-vrp.c (find_assert_locations): Infer value ranges for
10894         single use pointers, but do not create ASSERT_EXPRs for them.
10895         When a non-null range is inferred for a pointer, backwards
10896         propagate that range to other equivalent pointers through the
10897         use-def chain.
10898
10899 2006-03-08  Paolo Bonzini  <bonzini@gnu.org>
10900
10901         PR bootstrap/26500
10902         * Makefile.in (dvi, html, install-info): Invoke the corresponding
10903         language hook targets.
10904         * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10905         objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10906         if language hook targets were missing.
10907
10908 2006-03-07  Zdenek Dvorak <dvorakz@suse.cz>
10909
10910         * tree-ssa-opfinalize.h: Removed.
10911         * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10912         dependency.
10913         * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10914         (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10915         INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10916         add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10917         finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10918         finalize_ssa_v_must_def_ops): New.
10919
10920 2006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>
10921
10922         * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10923         block as parameter.
10924
10925 2006-03-07  Geoffrey Keating  <geoffk@apple.com>
10926
10927         * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10928
10929         * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10930         addresses with offsets; reorganize.
10931
10932         * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10933         (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10934         (expand_builtin_init_dwarf_reg_sizes): Likewise.
10935
10936 2006-03-08  David Billinghurst <David.Billinghurst@riotinto.com>
10937
10938         PR target/26588
10939         * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10940
10941 2006-03-08  Ben Elliston  <bje@au.ibm.com>
10942
10943         * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10944
10945 2006-03-07  Aldy Hernandez  <aldyh@redhat.com>
10946
10947         PR gomp/26238
10948         * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10949         expansion.
10950
10951 2006-03-07  Richard Guenther  <rguenther@suse.de>
10952
10953         PR tree-optimization/26587
10954         * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10955
10956 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
10957
10958         * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10959
10960 2006-03-07  Richard Sandiford  <richard@codesourcery.com>
10961
10962         * hooks.c (hook_bool_mode_rtx_true): New function.
10963         * hooks.h (hook_bool_mode_rtx_true): Declare.
10964         * toplev.c (compile_file): Call output_shared_constant_pool.
10965         * varasm.c (shared_constant_pool): New variable.
10966         (assemble_start_function, assemble_end_function): Remove arguments
10967         from call to output_constant_pool.
10968         (create_constant_pool): New function, split out from...
10969         (init_varasm_status): ...here.
10970         (force_const_mem): Choose between the shared and per-function constant
10971         pools.  Set current_function_uses_const_pool when reusing old entries
10972         as well as when creating new ones.
10973         (mark_constant): Ignore data argument.
10974         (mark_constants): Remove pool argument.
10975         (mark_constant_pool): Likewise.  Use current_function_uses_const_pool
10976         to decide whether the function uses a constant pool.
10977         (output_constant_pool_contents): New function, split out from...
10978         (output_constant_pool): ...here.
10979         (output_shared_constant_pool): New function.
10980         (init_varasm_once): Initialize shared_constant_pool.
10981         * output.h (output_constant_pool): Delete.
10982         (output_shared_constant_pool): Declare.
10983         * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10984         * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10985
10986 2006-03-06  Nick Clifton  <nickc@redhat.com>
10987
10988         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10989         flag_strength_reduce.
10990
10991 2006-03-06  Ben Elliston  <bje@au.ibm.com>
10992
10993         * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10994         x86_64-*-linux* configurations.
10995
10996         * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10997         (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10998
10999 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11000
11001         * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11002         Remove.
11003         * basic-block.h: Remove the extern for
11004         rediscover_loops_after_threading.
11005
11006         * cfgloop.c (cancel_loop): Make it static.
11007         * cfgloop.h: Remove the prototype for cancel_loop.
11008
11009         * flow.c (recompute_reg_usage): Make it static.
11010         * rtl.h: Remove the prototype for recompute_reg_usage.
11011
11012         * function.c (use_return_register): Make it static.
11013         * function.h: Remove the prototype.
11014
11015 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11016
11017         * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11018         Remove.
11019         * recog.h: Remove the prototype for
11020         validate_change_maybe_volatile.
11021
11022 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11023
11024         * rtlanal.c (replace_reg): Remove.
11025         * rtl.h: Remove the prototype for replace_reg.
11026
11027 2006-03-05  Kazu Hirata  <kazu@codesourcery.com>
11028
11029         * regclass.c (reg_scan_update): Remove.
11030         (reg_scan_mark_refs): Remove the last argument.
11031         * rtl.h: Remove the prototype for reg_scan_update.
11032
11033 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11034
11035         * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11036         combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11037         config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11038         config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11039         df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11040         loop-invariant.c, omp-low.c, opts.c, passes.c,
11041         rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11042         tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11043         tree-ssa-structalias.c, tree-ssa-threadedge.c,
11044         tree-ssa-threadupdate.c, tree-vect-patterns.c,
11045         tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11046         unwind-dw2.c: Fix comment typos.  Follow spelling conventions.
11047
11048 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11049
11050         * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11051         * dwarf2out.h: Remove the prototype for
11052         dwarf2out_add_library_unit_info.
11053
11054 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11055
11056         * tree.c (add_var_to_bind_expr): Remove.
11057         * tree.h: Remove the prototype for add_var_to_bind_expr.
11058
11059 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11060
11061         * regclass.c (n_non_fixed_regs): Remove.
11062         (init_reg_sets_1, globalize_reg): Remove all uses of
11063         n_non_fixed_regs.
11064         * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11065
11066 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11067
11068         * rtlanal.c (insns_safe_to_move_p): Remove.
11069         * rtl.h: Remove the prototype for insns_safe_to_move_p.
11070
11071 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
11072
11073         * expmed.c (expand_mult_add): Remove.
11074         * expr.h: Remove the prototype for expand_mult_add.
11075
11076 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
11077
11078         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11079         and REG_SAVED_VAL_EXP constants.
11080         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11081         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11082         Handle regs stored by value.
11083         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11084         (execute_cfa_program): Handle DW_CFA_val_offset,
11085         DW_CFA_val_offset_sf and DW_CFA_val_expression.
11086         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11087         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11088         (uw_install_context_1): Handle target regs stored by value.
11089
11090 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
11091
11092         * tree-sra.c (tree_sra): Return todoflags;
11093         (generate_one_element): Set TODO_update_smt_usage if needed.
11094         (pass_sra): Remove TODO_update_smt_usage.
11095         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11096         parameter.
11097         (tree_ssa_forward_propagate_single_use_vars): Return
11098         TODO_update_smt_usage if we need to update SMT usage.
11099         (pass_forwprop): Remove TODO_update_smt_usage.
11100
11101 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
11102
11103         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
11104         (correct_use_link): Remove reference to get_stmt_operands.
11105         (update_stmt_operands): Likewise.
11106         (get_modify_expr_operands): New function factored out of
11107         parse_ssa_operands and get_expr_operands.
11108         Try to create V_MUST_DEFs for LHS by default.
11109         (get_expr_operands) <case MODIFY_EXPR>: Call
11110         get_modify_expr_operands.
11111         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11112         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11113         (parse_ssa_operands) <case MODIFY_EXPR>: Call
11114         get_modify_expr_operands.
11115
11116 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
11117
11118         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11119         * tree-flow.h: Remove the prototype for
11120         referenced_var_lookup_if_exists.
11121
11122 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
11123
11124         PR rtl-optimization/26345
11125         PR target/19061
11126         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11127
11128 2006-03-03  Roger Sayle  <roger@eyesopen.com>
11129
11130         PR tree-optimization/26524
11131         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11132         fold_convert to create a constant of the appropriate type.
11133
11134 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
11135
11136         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11137         SYMBOL_REF_IN_BLOCK_P.
11138         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11139         of SYMBOL_FLAG_IN_BLOCK.
11140         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11141         instead of SYMBOL_REF_IN_BLOCK_P.
11142         * explow.c (use_anchored_address): Likewise.
11143         * rtl.c (rtx_size): Likewise.
11144         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11145         instead of SYMBOL_FLAG_IN_BLOCK.
11146         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11147         SYMBOL_REF_IN_BLOCK_P.
11148         (assemble_variable): Likewise.
11149         (output_constant_def_contents): Likewise.
11150         (output_constant_pool): Likewise.
11151         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11152         instead of SYMBOL_FLAG_IN_BLOCK.
11153         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11154         SYMBOL_REF_IN_BLOCK_P.
11155         (SYMBOL_REF_BLOCK): Likewise.
11156         (SYMBOL_REF_OFFSET): Likewise.
11157         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11158         SYMBOL_REF_IN_BLOCK_P.
11159         (SYMBOL_FLAG_IN_BLOCK): Replace with...
11160         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11161         (SYMBOL_REF_IN_BLOCK_P): Replace with...
11162         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11163
11164 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
11165
11166         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11167
11168 2006-03-02  Roger Sayle  <roger@eyesopen.com>
11169
11170         * simplify-rtx.c (simplify_unary_operation): When simplifying
11171         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11172         that we perform the right shift in the appropriate mode, and
11173         then extend or truncate the result to requested mode.
11174
11175 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
11176
11177         * gengtype.c (main): Handle double_int type.
11178         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11179         * double-int.c: New file.
11180         * double-int.h: New file.
11181         * system.h: Include doubleint.h.
11182         * Makefile.in (SYSTEM_H): Include double-int.h.
11183         (double-int.o): Add.
11184
11185 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
11186
11187         PR bootstrap/26478
11188         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11189         copying over it.
11190
11191 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11192
11193         * tree-vrp.c (remove_range_assertions): Do not update statements
11194         unnecessarily.
11195
11196 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11197
11198         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11199         cleanup.
11200         * gcse.c (rest_of_handle_gcse): Ditto.
11201         * except.c (gate_handle_eh): Ditto.
11202         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11203         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11204
11205 2006-03-02  Eric Christopher  <echristo@apple.com>
11206
11207         * config/i386/i386.c (machopic_output_stub): Add indirection to
11208         jump.
11209
11210 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
11211
11212         * loop.c: Removed.
11213
11214 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
11215
11216         Sun Niagara specific optimizations.
11217         * config.gcc: Recognize niagara as target.
11218         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11219         (TARGET_CPU_niagara): Define.
11220         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11221         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11222         (CPP_CPU_SPEC): Handle -mcpu=niagara.
11223         (ASM_CPU_SPEC): Likewise.
11224         (PROCESSOR_NIAGARA): New enum entry.
11225         (REGISTER_MOVE_COST): Handle Niagara.
11226         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11227         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11228         (sparc_override_options): Recognize "niagara", set appropriate
11229         default MASK_* values for it, and align functions to 32-bytes
11230         by default just like ULTRASPARC/ULTRASPARC3.
11231         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11232         (sparc64_initialize_trampoline): Likewise.
11233         (sparc_use_sched_lookahead): Use zero for niagara.
11234         (sparc_issue_rate): Use one for niagara.
11235         * config/sparc/niagara.md: New file.
11236         * config/sparc/sparc.md: Include it.
11237         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11238         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11239         when default cpu is niagara.
11240         (CPP_CPU_SPEC): Handle -mcpu=niagara.
11241         (ASM_CPU_SPEC): Likewise.
11242         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11243         when default cpu is niagara.
11244         (ASM_CPU_SPEC): Handle -mcpu=niagara.
11245         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11246         just like v9/ultrasparc/ultrasparc3.
11247         * doc/invoke.texi: Add documentation for "niagara" and improve
11248         existing documentation for ultrasparc variants.
11249
11250 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
11251
11252         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11253
11254 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
11255
11256         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11257         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11258         and say that only one is needed.
11259         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11260         * target.h (have_switchable_bss_sections): New hook.
11261         * explow.c (use_anchored_address): Check that the symbol is in a block.
11262         * varasm.c (tls_comm_section, comm_section, lcomm_section)
11263         (bss_noswitch_section): New variables.
11264         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11265         (get_noswitch_section): New function.
11266         (get_block_for_section): Allow SECT to be null.
11267         (unlikely_text_section_p): Use SECTION_STYLE.
11268         (bss_initializer_p): New function.
11269         (get_variable_section): Move earlier in file.  Take a new argument,
11270         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
11271         Return one of the new *_sections in such cases.
11272         (get_block_for_decl): New function, extracting some logic from
11273         use_blocks_for_decl_p.
11274         (change_symbol_section): Remove in favor of...
11275         (change_symbol_block): ...this new function.
11276         (use_blocks_for_decl_p): Remove checks now performed by
11277         get_block_for_decl.
11278         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11279         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11280         (emit_local, emit_bss, emit_common): ...these new functions.
11281         Return true if the alignment was honored.
11282         (emit_tls_common): New function.
11283         (asm_emit_uninitialised): Delete.
11284         (assemble_variable_noswitch): New function, split out from...
11285         (assemble_variable): ...here.  Don't make decisions about common
11286         variables here.  Globalize all public decls that go into non-common
11287         sections.  Check whether SYMBOL_REF_BLOCK is null.
11288         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11289         (output_constant_pool): Likewise.
11290         (init_varasm_once): Initialize the new section variables.
11291         (have_global_bss_p): New function.
11292         (categorize_decl_for_section): Use bss_initializer_p.
11293         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
11294         (place_block_symbol): Assert that the symbol must be in a block.
11295         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11296         (TARGET_INITIALIZER): Include it.
11297         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11298         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11299         (SECTION_MACH_DEP): Bump by two.
11300         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11301         (unnamed_section): Mention SECTION_UNNAMED in comment.
11302         (named_section): Likewise SECTION_NAMED.
11303         (noswitch_section_callback): New type.
11304         (noswitch_section): New structure.
11305         (section): Add a noswitch_section alternative.
11306         (SECTION_STYLE): New macro.
11307         (tls_comm_section, comm_section, lcomm_section): Declare.
11308         (bss_noswitch_section, have_global_bss_p): Declare.
11309         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11310         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11311         Override.
11312         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11313         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11314         Override.
11315
11316 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
11317
11318         * tree-vrp.c (execute_vrp): Return value.
11319         * regrename.c (rest_of_handle_regrename): Ditto.
11320         * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11321         * tree-complex.c (tree_lower_complex): Ditto.
11322         (tree_lower_complex_O0): Ditto.
11323         * tracer.c (rest_of_handle_tracer): Ditto.
11324         * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11325         * postreload.c (rest_of_handle_postreload): Ditto.
11326         * tree-tailcall.c (execute_tail_recursion): Ditto.
11327         (execute_tail_calls): Ditto.
11328         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11329         * tree.h (init_function_for_compilation): Ditto.
11330         * ipa-cp.c (ipcp_driver): Ditto.
11331         * tree-scalar-evolution.c (scev_const_prop): Ditto.
11332         * tree-scalar-evolution.h (scev_const_prop): Ditto.
11333         * final.c (compute_alignments): Ditto.
11334         (rest_of_handle_final): Ditto.
11335         (rest_of_handle_shorten_branches): Ditto.
11336         (rest_of_clean_state): Ditto.
11337         * omp-low.c (execute_expand_omp): Ditto.
11338         (execute_lower_omp): Ditto.
11339         * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11340         * ipa-reference.c (static_execute): Ditto.
11341         * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11342         * reorg.c (rest_of_handle_delay_slots): Ditto.
11343         (rest_of_handle_machine_reorg): Ditto.
11344         * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11345         * flow.c (recompute_reg_usage): Ditto.
11346         (rest_of_handle_remove_death_notes): Ditto.
11347         (rest_of_handle_life): Ditto.
11348         (rest_of_handle_flow2): Ditto.
11349         * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11350         * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11351         (do_ssa_store_ccp): Ditto.
11352         (execute_fold_all_builtins): Ditto.
11353         * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11354         * modulo-sched.c (rest_of_handle_sms): Ditto.
11355         * ipa-pure-const.c (static_execute): Ditto.
11356         * cse.c (rest_of_handle_cse): Ditto.
11357         (rest_of_handle_cse2): Ditto.
11358         * web.c (rest_of_handle_web): Ditto.
11359         * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11360         * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11361         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11362         * tree-nrv.c (tree_nrv): Ditto.
11363         (execute_return_slot_opt): Ditto.
11364         * tree-ssa-alias.c (compute_may_aliases): Ditto.
11365         (create_structure_vars): Ditto.
11366         * loop-init.c (rtl_loop_init): Ditto.
11367         (rtl_loop_done): Ditto.
11368         (rtl_move_loop_invariants): Ditto.
11369         (rtl_unswitch): Ditto.
11370         (rtl_unroll_and_peel_loops): Ditto.
11371         (rtl_doloop): Ditto.
11372         * gimple-low.c (lower_function_body): Ditto.
11373         (mark_used_blocks): Ditto.
11374         * tree-ssa-sink.c (execute_sink_code): Ditto.
11375         * ipa-inline.c (cgraph_decide_inlining): Ditto.
11376         (cgraph_early_inlining): Ditto.
11377         * global.c (rest_of_handle_global_alloc): Ditto.
11378         * jump.c (cleanup_barriers): Ditto.
11379         (purge_line_number_notes): Ditto.
11380         * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11381         (rest_of_handle_if_after_reload): Ditto.
11382         * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11383         (tree_ssa_loop_im): Ditto.
11384         (tree_ssa_loop_unswitch): Ditto.
11385         (tree_vectorize): Ditto.
11386         (tree_linear_transform): Ditto.
11387         (tree_ssa_loop_ivcanon): Ditto.
11388         (tree_ssa_empty_loop): Ditto.
11389         (tree_ssa_loop_bounds): Ditto.
11390         (tree_complete_unroll): Ditto.
11391         (tree_ssa_loop_prefetch): Ditto.
11392         (tree_ssa_loop_ivopts): Ditto.
11393         (tree_ssa_loop_done): Ditto.
11394         * predict.c (tree_estimate_probability): Ditto.
11395         * recog.c (split_all_insns_noflow): Ditto.
11396         (rest_of_handle_peephole2): Ditto.
11397         (rest_of_handle_split_all_insns): Ditto.
11398         * tree-eh.c (lower_eh_constructs): Ditto.
11399         * regmove.c (rest_of_handle_regmove): Ditto.
11400         (rest_of_handle_stack_adjustments): Ditto.
11401         * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11402         * function.c (instantiate_virtual_regs): Ditto.
11403         (init_function_for_compilation): Ditto.
11404         (rest_of_handle_check_leaf_regs): Ditto.
11405         * gcse.c (rest_of_handle_jump_bypass): Ditto.
11406         (rest_of_handle_gcse): Ditto.
11407         * ipa-type-escape.c (type_escape_execute): Ditto.
11408         * alias.c (rest_of_handle_cfg): Ditto.
11409         * tree-if-conv.c (main_tree_if_conversion): Ditto.
11410         * profile.c (rest_of_handle_branch_prob): Ditto.
11411         * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11412         * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11413         * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11414         * tree-dfa.c (find_referenced_vars): Ditto.
11415         * except.c (set_nothrow_function_flags): Ditto.
11416         (convert_to_eh_region_ranges): Ditto.
11417         (rest_of_handle_eh): Ditto.
11418         * emit-rtl.c (unshare_all_rtl): Ditto.
11419         (remove_unnecessary_notes): Ditto.
11420         * except.h (set_nothrow_function_flags): Ditto.
11421         (convert_to_eh_region_ranges): Ditto.
11422         * cfgexpand.c (tree_expand_cfg): Ditto.
11423         * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11424         * tree-ssa-pre.c (do_pre): Ditto.
11425         (execute_fre): Ditto.
11426         * cfgcleanup.c (rest_of_handle_jump): Ditto.
11427         (rest_of_handle_jump2): Ditto.
11428         * tree-sra.c (tree_sra): Ditto.
11429         * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11430         (execute_mudflap_function_decls): Ditto.
11431         * tree-ssa-copy.c (do_copy_prop): Ditto.
11432         (do_store_copy_prop): Ditto.
11433         * ipa-prop.h (ipcp_driver): Ditto.
11434         * cfglayout.c (insn_locators_initialize): Ditto.
11435         * tree-ssa-forwprop.c
11436         (tree_ssa_forward_propagate_single_use_vars): Ditto.
11437         * cfglayout.h (insn_locators_initialize): Ditto.
11438         * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11439         * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11440         (execute_late_warn_uninitialized): Ditto.
11441         * rtl.h (cleanup_barriers): Ditto.
11442         (split_all_insns_noflow): Ditto.
11443         (purge_line_number_notes): Ditto.
11444         (unshare_all_rtl): Ditto.
11445         (remove_unnecessary_notes): Ditto.
11446         (recompute_reg_usage): Ditto.
11447         (variable_tracking_main): Ditto.
11448         * integrate.c (emit_initial_value_sets): Ditto.
11449         * integrate.h (emit_initial_value_sets): Ditto.
11450         * tree-optimize.c (execute_free_datastructures): Ditto
11451         (execute_free_cfg_annotations): Ditto.
11452         (execute_fixup_cfg): Ditto.
11453         (execute_cleanup_cfg_pre_ipa): Ditto.
11454         (execute_cleanup_cfg_post_optimizing): Ditto.
11455         (execute_init_datastructures): Ditto.
11456         * tree-object-size.c (compute_object_sizes): Ditto.
11457         * combine.c (rest_of_handle_combine): Ditto.
11458         * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11459         * bb-reorder.c (duplicate_computed_gotos): Ditto.
11460         (rest_of_handle_reorder_blocks): Ditto.
11461         (rest_of_handle_partition_blocks): Ditto.
11462         * var-tracking.c (variable_tracking_main): Ditto.
11463         * tree-profile.c (tree_profiling): Ditto.
11464         * tree-vect-generic.c (expand_vector_operations): Ditto.
11465         * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11466         * sched-rgn.c (rest_of_handle_sched): Ditto.
11467         (rest_of_handle_sched2): Ditto.
11468         * basic-block.h (free_bb_insn): Ditto.
11469         * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11470         * tree-cfg.c (execute_build_cfg): Ditto.
11471         (remove_useless_stmts): Ditto.
11472         (split_critical_edges): Ditto.
11473         (execute_warn_function_return): Ditto.
11474         (execute_warn_function_noreturn): Ditto.
11475         * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11476         * cfgrtl.c (free_bb_for_insn): Ditto.
11477         * passes.c (execute_one_pass): Run additional
11478         todos returned by execute function.
11479         * tree-pass.h (struct tree_opt_pass): Make execute
11480         return a value.
11481
11482 2006-03-02  Richard Guenther  <rguenther@suse.de>
11483
11484         * tree-ssa-alias.c (find_used_portions): Consider taking
11485         the address as making the variable not write-only.
11486
11487 2006-03-02  Nick Clifton  <nickc@redhat.com>
11488
11489         * config.gcc (default_use_cxa_atexit): Extend the description of
11490         this configure variable.  Set its default value to "yes" for
11491         Linux, NetBSD and ELF targets on the assumption that they will
11492         use C libraries with the __cxa_atexit function.
11493
11494 2006-03-02  Ben Elliston  <bje@au.ibm.com>
11495
11496         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11497         parameter as unused to suppress a build warning.
11498
11499 2006-03-02  Ben Elliston  <bje@au.ibm.com>
11500
11501         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11502         config/dfp-bit.c.
11503
11504 2006-03-01  Roger Sayle  <roger@eyesopen.com>
11505
11506         PR other/26489
11507         * gthr-posix.h (__gthrw2): Define to take three parameters, the
11508         declared name, the weak reference name, and the typeof name.
11509         (__gthrw): Avoid expanding the declared name suffix.
11510         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11511
11512 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
11513
11514         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11515         from DWARF 3.
11516         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11517         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11518         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11519         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11520         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11521         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11522         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11523         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11524         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11525         DW_DS_leading_separate, DW_DS_trailing_separate): New.
11526         (DW_END_default, DW_END_big, DW_END_little): New.
11527         (DW_END_lo_user, DW_END_hi_user): Define.
11528         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11529         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11530         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11531         DW_LANG_D): New.
11532
11533 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11534
11535         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11536         Update all users.
11537         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11538         Update all users.
11539         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11540         Update all users.
11541         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11542         Update all users.
11543         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11544         to 'symbol_mem_tag'.
11545         Update all users.
11546         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11547         rename.
11548
11549 2006-03-01  Roger Sayle  <roger@eyesopen.com>
11550
11551         * builtins.c (fold_builtin_copysign): Delete unreachable code.
11552
11553 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11554
11555         PR target/25761
11556         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11557         MACHO_DYNAMIC_NO_PIC_P.
11558         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11559
11560 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11561
11562         PR target/26389
11563         * config/darwin-protos.h (darwin_asm_output_anchor):
11564         Declare.
11565         * config/darwin-sections.def (cstring_section):
11566         Add SECTION_MERGE to the flags.
11567         (literal4_section): Likewise.
11568         (literal8_section): Likewise.
11569         (objc_selector_refs_section): Likewise.
11570         (objc_cls_refs_section): Likewise.
11571         * config/darwin.c (darwin_asm_output_anchor): New
11572         function.
11573         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11574
11575 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
11576
11577         Fix PR tree-optimization/26443
11578         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11579         to todo and PROP_tmt_usage to properties_destroyed.
11580         * tree-ssa-ccp.c (pass_ccp): Ditto.
11581         (pass_store_ccp): Ditto.
11582         * tree-ssa-dom.c (pass_dominator): Ditto.
11583
11584 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11585
11586         * tree-ssa-operands.c: Cleanup whitespace.
11587         (get_asm_expr_operands): Move before first invocation.
11588         (get_indirect_ref_operands): Likewise.
11589         (get_tmr_operands): Likewise.
11590         (get_call_expr_operands): Likewise.
11591         (append_def): Likewise.
11592         (append_use): Likewise.
11593         (append_v_may_def): Likewise.
11594         (append_v_must_def): Likewise.
11595         (add_call_clobber_ops): Likewise.
11596         (add_call_read_ops): Likewise.
11597         (add_stmt_operand): Likewise.
11598         (add_virtual_operand): Likewise.
11599         (build_ssa_operands): Likewise.
11600
11601 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
11602
11603         PR middle-end/26022
11604         Revert:
11605         PR middle-end/24437
11606         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11607         with a call expr to ...
11608         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11609
11610 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
11611
11612         * tree-vrp.c (extract_range_from_assert): Remove special
11613         handling for types with super-types.
11614
11615 2006-03-01  Ben Elliston  <bje@au.ibm.com>
11616
11617         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11618         and powerpc64-*-linux* configurations.
11619         * config/t-dfprules: New file.
11620
11621         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11622         Compile dfp-bit.c from the source directory using -DWIDTH and
11623         $DFP_CFLAGS to control the compilation of that file, rather than
11624         generating width-specific versions in the build directory.
11625         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11626         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11627
11628 2006-02-28  Zack Weinberg  <zackw@panix.com>
11629
11630         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11631         continues to work.
11632
11633 2006-02-28  Eric Christopher  <echristo@apple.com>
11634
11635         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11636         Set up IN_LIBGCC definition of TARGET_64BIT.
11637         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11638
11639 2006-02-28  Roger Sayle  <roger@eyesopen.com>
11640
11641         PR middle-end/14752
11642         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11643         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
11644         cases via the construction of "expr != 0".
11645
11646 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
11647
11648         * alias.c (alias_invariant, alias_invariant_size): Remove.
11649         (record_base_value): Remove.
11650         (memrefs_conflict_p): Don't look at alias_invariant.
11651         (end_alias_analysis): Don't free it.
11652         * alias.h (record_base_value): Remove prototype.
11653
11654 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
11655             Adam Nemet  <anemet@caviumnetworks.com>
11656
11657         * rtl.h (truncated_to_mode): Declare it.
11658         (struct rtl_hooks): Add reg_truncated_to_mode hook.
11659         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11660         (RTL_HOOKS_INITIALIZER): Include it.
11661         * rtlhooks.c (reg_truncated_to_mode_general): New function.
11662         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11663         reg_truncated_to_mode.
11664         * rtlanal.c (truncated_to_mode): Define it.
11665         * simplify-rtx.c (simplify_unary_operation_1): Use it.
11666
11667 2006-02-28  Jeff Law  <law@redhat.com>
11668
11669         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11670         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11671         the range allowed by TYPE_PRECISION.
11672
11673         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11674
11675 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
11676
11677         PR tree-optimization/26419
11678         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11679         values of n.
11680
11681 2006-02-27  Zack Weinberg  <zackw@panix.com>
11682
11683         * doc/md.texi: Fix typo in previous change.
11684
11685 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
11686
11687         * df.c: Remove.
11688
11689 2006-02-27  Zack Weinberg  <zackw@panix.com>
11690
11691         * rtl.def (define_constraint, define_register_constraint)
11692         (define_memory_constraint, define_address_constraint): New MD forms.
11693         * gensupport.c (process_rtx): Put define_constraint etc on the
11694         predicate queue.
11695         * genpreds.c (process_define_predicate): Adjust comment.  Validate
11696         the name, and call validate_exp to validate the expression.
11697         (mark_mode_tests, write_extract_subexp): Can assume correct input.
11698         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
11699         all callers changed.
11700         (validate_exp, needs_variable, struct constraint_data)
11701         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11702         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11703         (const_dbl_constraints, constraint_max_namelen)
11704         (have_register_constraints, have_memory_constraints)
11705         (have_address_constraints, have_address_constraints)
11706         (have_extra_constraints, have_const_int_constraints)
11707         (have_const_dbl_constraints, mangle, add_constraint)
11708         (process_define_constraint, process_define_register_constraint)
11709         (write_enum_constraint_num, write_lookup_constraint)
11710         (write_insn_constraint_len, write_regclass_for_constraint)
11711         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11712         (write_insn_extra_memory_constraint)
11713         (write_insn_extra_address_constraint)
11714         (write_satisfies_constraint_fns): New.
11715         (write_tm_preds_h): If we have new-style constraint definitions,
11716         prototype the functions generated from them, and define the
11717         old constraint interface (still used by generic code) in terms of
11718         those functions.
11719         (write_insn_preds_c): If we have new-style constraint definitions,
11720         generate all relevant functions from those definitions.
11721         (main): Handle define_constraint etc.
11722         * genoutput.c (struct constraint_data, indep_constraints)
11723         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11724         (mdep_constraint_len): New data structures and functions, defined
11725         #ifdef USE_MD_CONSTRAINTS.
11726         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11727         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11728         use new logic to validate operand constraints against constraint
11729         definitions.
11730         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11731         defined.
11732         * defaults.h: If none of the old-style constraint macros are
11733         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11734         old-style macros; and poison REG_CLASS_FROM_LETTER,
11735         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11736         EXTRA_CONSTRAINT.
11737         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11738         * doc/md.texi: Document new constraint-definition mechanism and the
11739         C interface it provides.  Remove references to old mechanism
11740         elsewhere in the document.
11741         (Machine Constraints): Use pathnames relative to gcc directory,
11742         i.e. config/ARCH/FILE.  Change i386 section to refer to
11743         config/i386/predicates.md; update that section to match docstrings.
11744         * doc/tm.texi: Move all documentation of the old constraint-
11745         definition macros to their own section, clearly mark as obsolete.
11746
11747         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11748         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11749         definitions.
11750         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11751         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11752         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11753         constraint strings.
11754         (splits and peepholes): Use satisfies_constraint_*.
11755         * config/i386/i386.c (memory_address_length)
11756         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11757
11758 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
11759
11760         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11761         scalar operation to be put back into the loop.
11762
11763 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
11764
11765         PR other/26208
11766         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11767         (extract_cie_info): Handle S flag in augmentation string.
11768         (execute_cfa_program): If context->signal_frame, execute also
11769         fs->pc == context->ra instructions.
11770         (uw_frame_state_for): If context->signal_frame, don't subtract one
11771         from context->ra to find FDE.
11772         (uw_update_context_1): Set context->signal_frame to
11773         fs->signal_frame.
11774         (_Unwind_GetIPInfo): New function.
11775         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11776         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11777         of _Unwind_GetIP.
11778         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11779         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11780         * unwind-compat.c (_Unwind_GetIPInfo): New function.
11781         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11782         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11783         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11784         * config/i386/linux-unwind.h (x86_fallback_frame_state,
11785         x86_64_fallback_frame_state): Set fs->signal_frame.
11786         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11787         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11788         (frob_update_context): Likewise.  Workaround missing S flag in
11789         Linux 2.6.12 - 2.6.16 kernel vDSOs.
11790         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11791         Remove the psw_addr + 1 hack.
11792
11793 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
11794
11795         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11796         with aggregates here.
11797         (find_func_aliases): Remove code for &<aggregate> from here.
11798
11799 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11800
11801         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11802         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11803         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11804         as (X & C) ne/eq 0.
11805
11806 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11807
11808         PR middle-end/19983
11809         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11810
11811 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
11812
11813         * opts.c (decode_options): Do not handle flag_strength_reduce.
11814         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11815         and OPT_fstrength_reduce.
11816         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11817         flag_prefetch_loop_arrays for being nonzero.
11818         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11819         no-ops.
11820         (fprefetch-loop-arrays-rtl): Removed.
11821         (flag_prefetch_loop_arrays): Do not specify the value.
11822
11823         * doc/passes.texi: Update documentation of loop optimizer
11824         passes.
11825         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11826         -frerun-loop-opt): Remove.
11827
11828 2006-02-26  Richard Guenther  <rguenther@suse.de>
11829
11830         PR tree-optimization/26421
11831         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11832         in function calls that are ADDR_EXPRs as using the whole structure.
11833
11834 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
11835
11836         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11837         * tree-pass.h (pass_loop_optimize): Remove.
11838         * passes.c (pass_loop_optimize): Never run it.
11839         * toplev.c (backend_init): Don't call init_loop.
11840         * opts.c (flag_loop_optimize_set): Remove.
11841         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11842         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
11843         the old RTL loop optimizer when profiling enabled.
11844         * predict.c (tree_estimate_probability): Always strip builtin_expect.
11845         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11846         pre-headers for the sake of the old RTL loop optimizer.
11847         * Makefile.in: Remove all references to loop.o.
11848
11849         * doc/invoke.texi: Remove all references to -floop-optimize
11850         and -frerun-loop-opt.
11851
11852 2006-02-26  Zack Weinberg  <zackw@panix.com>
11853
11854         * doc/md.texi (Machine Constraints): Refer to all files with paths
11855         relative to gcc directory (i.e. config/CPU/file).  Add missing
11856         @table @code ... @end table to M32C subsection.
11857
11858 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11859
11860         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11861         (X & 1) == 0.
11862         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11863
11864 2006-02-26  Roger Sayle  <roger@eyesopen.com>
11865             James A. Morrison  <phython@gcc.gnu.org>
11866
11867         PR middle-end/21137
11868         * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11869         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11870         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11871         signedness of the shift operation.
11872
11873 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
11874
11875         PR tree-optimization/26359
11876         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11877
11878 2006-02-25  Roger Sayle  <roger@eyesopen.com>
11879
11880         * simplify-rtx.c (simplify_relational_operation_1): Simplify
11881         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
11882         as X == 0, and some symmetry related transformations.
11883         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
11884
11885 2006-02-25  Roger Sayle  <roger@eyesopen.com>
11886
11887         PR middle-end/23673
11888         * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11889         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
11890         symmetry related transformations.  Fold (X^C1) == C2 as
11891         X == (C1^C2).
11892
11893 2006-02-25  Juergen Weigert  <jw@suse.de>
11894         Richard Guenther  <rguenther@suse.de>
11895
11896         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11897
11898 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
11899
11900         * combine.c (gen_lowpart_or_truncate): Call
11901         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11902
11903 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
11904
11905         * doc/invoke.texi: Move -fopenmp description to "Options for
11906         Code Generation".
11907         Remove reference to -lgomp.
11908
11909 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
11910
11911         * doc/install.texi: Require GNU tar version 1.14.
11912
11913 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
11914
11915         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11916         * doc/invoke.texi (C++ Dialect Options): Document
11917         -fno-use-cxa-get-exception-ptr.
11918         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11919         * configure: Regenerate.
11920         * c.opt (fuse-cxa-get-exception-ptr): New.
11921         * c-opts.c (c_common_handle_option): Handle
11922         OPT_fuse_cxa_get_exception_ptr.
11923         * c-common.c (flag_use_cxa_atexit): Update documentation.
11924         (flag_use_cxa_get_exception_ptr): New.
11925         * c-common.h (flag_use_cxa_get_exception_ptr): New.
11926         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11927         documentation.
11928         (C_COMMON_OVERRIDE_OPTIONS): New.
11929
11930 2006-02-24  Roger Sayle  <roger@eyesopen.com>
11931
11932         PR middle-end/24952
11933         * combine.c (try_combine): Explicitly check whether GET_CODE is
11934         a SET or a CLOBBER, instead on checking that it isn't a USE.
11935
11936 2006-02-24  Roger Sayle  <roger@eyesopen.com>
11937
11938         * fold-const.c (fold_comparison): New subroutine of fold_binary
11939         containing transformations common to both the equality and
11940         ordering relational operators, factored out of fold_binary.
11941         (fold_binary): Separate out the equality operators (EQ_EXPR
11942         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11943         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11944         transformations common to both.
11945         (fold_div_compare): Fix latent bugs in the previously unreachable
11946         LT_EXPR and GE_EXPR cases.
11947
11948 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
11949
11950         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11951         decl libname for clog to __clog on AIX.
11952
11953         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11954
11955 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
11956
11957         PR target/26453
11958         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11959         output traceback table for thunks.  Localise rs6000_stack_info call.
11960
11961 2006-02-23  Roger Sayle  <roger@eyesopen.com>
11962             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11963
11964         * gthr-posix.h (__gthrw): Fix typo in comment.
11965
11966 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
11967
11968         * doc/cpp.texi (Character sets): Document that we do support
11969         input files to be in any character set.
11970
11971 2006-02-23  Jeff Law  <law@redhat.com>
11972
11973         * tree.h (PHI_ARG_NONZERO): Remove.
11974         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11975         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11976         node to the new node.
11977
11978         PR tree-optimization/26425
11979         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11980         min/max, then assume its varying.
11981
11982 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
11983
11984         PR rtl-optimization/26316
11985         * rtlanal.c (enum may_trap_p_flags): New.
11986         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
11987         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11988         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11989         (may_trap_after_code_motion_p): New function.
11990         * loop-invariant.c (find_identical_invariants): Fix dump formating.
11991         (find_invariant_insn): Use may_trap_after_code_motion_p.
11992         * rtl.h (may_trap_after_code_motion_p): Declare.
11993
11994 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
11995
11996         * emit-rtl.c (immed_double_const): Cleanup.
11997
11998 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
11999
12000         Fix PR tree-optimization/26376
12001         * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12002         remove assert.
12003
12004 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
12005
12006         PR middle-end/26412
12007         * gimplify.c (omp_add_variable): Guard variable size decl test with
12008         DECL_SIZE (decl) check.
12009
12010 2006-02-23  Richard Guenther  <rguenther@suse.de>
12011
12012         PR middle-end/26439
12013         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12014         like aggregate types.
12015
12016 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
12017
12018         * configure.ac: Add --with{,out}-long-double-128 configure option.
12019         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12020         * configure: Rebuilt.
12021         * config.in: Rebuilt.
12022         * doc/install.texi (Options specification): Document
12023         --with-long-double-128.
12024
12025         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12026         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12027         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12028         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12029
12030 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
12031
12032         * config/s390/s390.c (override_options): Handle
12033         TARGET_DEFAULT_LONG_DOUBLE_128.
12034
12035         * config/alpha/alpha.c (override_options): Handle
12036         TARGET_DEFAULT_LONG_DOUBLE_128.
12037
12038         * config/sparc/sparc.c (sparc_override_options): Handle
12039         TARGET_DEFAULT_LONG_DOUBLE_128.
12040
12041 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
12042
12043         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12044         (real-install-headers-tar, real-install-headers-cpio)
12045         (real-install-headers-cp): New targets.
12046
12047 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
12048
12049         * tree.h (variable_section): Delete.
12050         * varasm.c (variable_section): Delete.
12051
12052 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
12053
12054         * install.texi: Add notes on install.texi2html.
12055         (Building in parallel): Do not use footnotes.
12056
12057 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
12058
12059         PR libgomp/26234
12060         * doc/install.texi (Configuration): Document --disable-libgomp.
12061
12062 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
12063
12064         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12065
12066 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
12067
12068         * config/i386/sse.md (vec_extractv2df_1_sse): New.
12069         (vec_extractv2df_0_sse): New.
12070
12071 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
12072
12073         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12074         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12075         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12076         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
12077         to the result of the expression.
12078         (def_cfa_1): Adjust.
12079         (frame_pointer_cfa_offset): Rename to...
12080         (frame_pointer_fb_offset): ... this.  Adjust all uses.
12081         (convert_cfa_to_loc_list): Rename to...
12082         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
12083         Pass it on to build_cfa_loc.
12084         (compute_frame_pointer_to_cfa_displacement): Rename to...
12085         (compute_frame_pointer_to_fb_displacement): ... this.  New
12086         offset parameter.  Use it in computation.
12087         (gen_subprogram_die): Compute cfa_fb_offset with the new
12088         macro, and use it to compute the fb loc list and the
12089         displacement.
12090
12091 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
12092
12093         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
12094         replaced with register_operand.
12095         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12096         non-DREG is expensive.
12097         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12098         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12099         involving memory.
12100
12101 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
12102
12103         * doc/install.texi2html: Use set -e.
12104
12105 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
12106
12107         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12108         (ASM_OUTPUT_SHARED_LOCAL): Delete.
12109         * doc/invoke.texi (-fshared-data): Delete.
12110         * common.opt (fshared-data): Delete.
12111         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12112         (assemble_static_space): Remove #if 0 code.
12113         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12114         (ASM_OUTPUT_SHARED_LOCAL): Poison.
12115         * config/cris/cris.h: Remove FIXME.
12116
12117 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
12118
12119         * doc/sourcebuild.texi (Front End Directory): No more double-colon
12120         hooks.
12121
12122 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
12123
12124         PR middle-end/26379
12125         * combine.c (simplify_shift_const_1): Disable nested shifts
12126         optimization for vector shifts.
12127
12128 2006-02-20  Roger Sayle  <roger@eyesopen.com>
12129
12130         PR tree-optimization/26361
12131         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12132         of unsigned integer types.
12133
12134 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
12135
12136         * tree-chrec.c (eq_evolutions_p): New.
12137         * tree-chrec.h (eq_evolutions_p): Declared.
12138         * tree-data-ref.c: Fix formatting.
12139         (datadep_stats, dependence_stats): New.
12140         (gcd): Moved...
12141         (print_direction_vector): New.
12142         (dump_data_dependence_relation): Use print_direction_vector.
12143         (object_analysis, create_data_ref): Handle COMPONENT_REF.
12144         (compute_subscript_distance): Static.
12145         (initialize_data_dependence_relation): Static.  Get the number
12146         of loops surrounding the references from the callers, and initialize
12147         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
12148         base_object_differ_p analyzers.
12149         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12150         compute_overlap_steps_for_affine_1_2,
12151         analyze_subscript_affine_affine): Count the classified dependences.
12152         Print a message when a test failed.
12153         (can_use_analyze_subscript_affine_affine): New.
12154         (analyze_siv_subscript): Compute the data dependences on symbolic
12155         scevs that verify can_use_analyze_subscript_affine_affine.
12156         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12157         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12158         Handle symbolic scevs.
12159         (analyze_overlapping_iterations): Let symbolic affine scevs to be
12160         analyzed.
12161         (subscript_dependence_tester): Moved...
12162         (build_classic_dist_vector, build_classic_dir_vector): Don't use
12163         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
12164         DDR_SIZE_VECT instead of getting it in parameter.
12165         (subscript_dependence_tester): ... here.  Take as a parameter
12166         loop_nest_depth.  Call build_classic_dist_vector and
12167         build_classic_dir_vector.
12168         (compute_affine_dependence): Update subscript_dependence_tester
12169         parameters.  Update datadep_stats counters.  Call
12170         compute_subscript_distance.
12171         (compute_self_dependence): Save the dist and dir vectors.  Call
12172         compute_subscript_distance.
12173         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12174         (compute_all_dependences): Reorder parameters as they were before
12175         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
12176         compute_subscript_distance.  Update the use of
12177         compute_affine_dependence and initialize_data_dependence_relation.
12178         (find_data_references_in_loop): Handle COMPONENT_REF.
12179         (compute_data_dependences_for_loop): Initialize dependence_stats.
12180         Don't call build_classic_dist_vector and build_classic_dir_vector.
12181         Update the parameters of initialize_data_dependence_relation and
12182         compute_all_dependences.  Print the statistics from datadep_stats.
12183         (analyze_all_data_dependences): Static.  Not used until the pass for
12184         checking the data dependences is contributed.
12185         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12186         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12187         (initialize_data_dependence_relation, compute_affine_dependence,
12188         analyze_all_data_dependences, compute_subscript_distance): Removed.
12189         (print_direction_vector): New.
12190         * lambda.h (gcd): ... here.
12191         (lambda_vector_gcd): Moved here from gcd_vector.
12192         * lambda-code.c (gcd, gcd_vector): Removed.
12193         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
12194         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12195
12196 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
12197
12198         * ipa-type-escape.c: Tidy some comments and white space.
12199         * tree-ssa-operands.c: Likewise.
12200
12201 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
12202
12203         PR tree-opt/25879
12204         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12205         (dump_decl_name): Do not walk the decl tree chains.
12206         * tree-pass.h (TDF_CHAIN): Remove.
12207
12208 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
12209
12210         * Makefile.in (C): Remove
12211         (PROTO): Remove
12212         (.PHONY): Remove C and PROTO
12213
12214 2006-02-20  Roger Sayle  <roger@eyesopen.com>
12215
12216         PR middle-end/26236
12217         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12218         deprecated CHAR_TYPE tree code.
12219
12220 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
12221
12222         * configure.ac (target_list): Add install-info, dvi, html.
12223         * configure: Regenerate.
12224
12225         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12226         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12227         treelang/Make-lang.in: Do not use double-colon rules.
12228
12229 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
12230
12231         * tree.h (struct tree_memory_tag): Add is_used_alone member.
12232         (TMT_USED_ALONE): New macro.
12233         * tree-pass.h (PROP_tmt_usage): New property.
12234         (TODO_update_tmt_usage): New todo.
12235         * tree-ssa-alias.c (updating_used_alone): New variable.
12236         (recalculate_used_alone): New function.
12237         (compute_may_aliases): Set updating_used_alone, call
12238         recalculate_used_alone.
12239         * tree-sra.c (pass_sra): Note that this pass destroys
12240         PROP_tmt_usage, and add TODO_update_tmt_usage.
12241         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12242         * tree-flow.h (updating_used_alone): Prototype.
12243         (recalculate_used_alone): Ditto.
12244         * passes.c (execute_todo): Add code to set updating_used_alone,
12245         and call recalculate.
12246         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12247         for clobber if used alone, and add assert to verify used_alone
12248         status.
12249
12250 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
12251
12252         * config/s390/s390.c (legitimize_pic_address): Assertions checking
12253         for non tls symbols added.
12254         (legitimize_address): Do nothing for PLUS expressions if one of the
12255         addends is a tls symbol reference.
12256
12257 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
12258
12259         PR bootstrap/25476
12260
12261         * Makefile.in (LDFLAGS): Define from autoconf substitution.
12262
12263         * Makefile.in (BOOTSTRAPPING): New.
12264         (quickstrap): New definition if BOOTSTRAPPING=yes.
12265
12266         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12267         * configure.ac: Substitute all_selected_languages with the languages
12268         that were configured.  For all the other variables except
12269         lang_specs_files, include all the languages in the tree.
12270         * configure: Regenerate.
12271
12272         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12273         if there is one.  Run the commands to run fixincludes in the same
12274         subshell.
12275
12276         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12277         * doc/install.texi: Document exact conventions for searching target tools.
12278         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
12279         something more about building an Ada cross-compiler.  Don't list GNU Make
12280         requirements which affect all platforms.
12281
12282 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12283
12284         PR middle-end/19543
12285         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12286         only equivalent if the have both the same mode and precision.
12287
12288 2006-02-20  Ben Elliston  <bje@au.ibm.com>
12289
12290         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12291
12292 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12293             Steven Bosscher  <stevenb.gcc@gmail.com>
12294
12295         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12296         constant pool references to identify stack mode constants.
12297         * rtlanal.c (constant_pool_constant_p): New predicate to check
12298         whether operand is a floating point constant in the pool.
12299         * rtl.h (constant_pool_constant_p): Prototype here.
12300         * loop.c (scan_loop): Avoid hoisting constants from the constant
12301         pool on STACK_REGS targets.
12302         (load_mems): Likewise.
12303         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12304         loads into x87 registers expensive in terms of register pressure.
12305
12306 2006-02-19  Roger Sayle  <roger@eyesopen.com>
12307
12308         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12309         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12310
12311 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
12312
12313         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12314         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12315
12316 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
12317
12318         * doc/invoke.texi: Document -fipa-pta.
12319         * common.opt: Add ipa-pta option.
12320         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12321         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12322         (do_ds_constraint): Ditto.
12323         (get_constraint_for): Only add to referenced_vars if
12324         referenced_vars exists.
12325         (insert_into_field_list): Rewrite to do this unsorted.
12326         (insert_into_field_list_sorted): Rename old insert_into_field_list
12327         to this.
12328         (create_function_info_for): Use insert_into_field_list_sorted.
12329         (create_variable_info_for): Rewrite so it uses unsorted version,
12330         since the field list is sorted.
12331         (intra_create_variable_infos): Only add to referenced_vars if
12332         referenced_vars exists.
12333         (ipa_pta_execute): Init heapvars, and delete when done.
12334         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12335
12336 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12337
12338         * doc/install.texi: Add missing `@samp'.
12339
12340 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
12341
12342         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12343         Use the arguments.
12344
12345 2006-02-18  Mark Wielaard  <mark@klomp.org>
12346
12347         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12348         who added new 4.1 features, bug fixes and integration support.
12349
12350 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
12351
12352         PR target/26350
12353         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12354         MEM for ABI_V4 pic.
12355
12356 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
12357
12358         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12359         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12360         (copy_insn_1): Likewise.  Don't copy each field individually.
12361         Reindent.
12362         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12363         of RTX_SIZE.
12364         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12365         * rtl.c (rtx_size): Rename variable to...
12366         (rtx_code_size): ...this.
12367         (rtx_size): New function.
12368         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12369         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
12370         Reindent.
12371         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12372         * rtl.h (rtx_code_size): New variable.
12373         (rtx_size): Change from a variable to a function.
12374         (RTX_SIZE): Rename to...
12375         (RTX_CODE_SIZE): ...this.
12376
12377         PR target/9703
12378         PR tree-optimization/17106
12379         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12380         (Anchored Addresses): New section.
12381         * doc/invoke.texi (-fsection-anchors): Document.
12382         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12383         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12384         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12385         * hooks.c (hook_bool_mode_rtx_false): New function.
12386         * hooks.h (hook_bool_mode_rtx_false): Declare.
12387         * gengtype.c (create_optional_field): New function.
12388         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12389         SYMBOL_REF_IN_BLOCK_P is true.
12390         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12391         (min_anchor_offset, max_anchor_offset): Likewise.
12392         (use_anchors_for_symbol_p): New hook.
12393         * toplev.c (compile_file): Call output_object_blocks.
12394         (target_supports_section_anchors_p): New function.
12395         (process_options): Check that -fsection-anchors is only used on
12396         targets that support it and when -funit-at-a-time is in effect.
12397         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12398         if the decl doesn't have one.
12399         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12400         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12401         of force_const_mem through use_anchored_address.
12402         (expand_expr_constant): New function.
12403         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
12404         calling expand_expr for INDIRECT_REF.
12405         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12406         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
12407         * expr.h (use_anchored_address): Declare.
12408         * loop-unroll.c: Don't declare rtx vectors here.
12409         * explow.c: Include output.h.
12410         (validize_mem): Call use_anchored_address.
12411         (use_anchored_address): New function.
12412         * common.opt (-fsection-anchors): New switch.
12413         * varasm.c (object_block_htab, anchor_labelno): New variables.
12414         (hash_section, object_block_entry_eq, object_block_entry_hash)
12415         (use_object_blocks_p, get_block_for_section, create_block_symbol)
12416         (use_blocks_for_decl_p, change_symbol_section): New functions.
12417         (get_variable_section): New function, split out from assemble_variable.
12418         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12419         use_blocks_for_decl_p say so.  Use change_symbol_section if the
12420         symbol has already been created.
12421         (assemble_variable_contents): New function, split out from...
12422         (assemble_variable): ...here.  Don't output any code for
12423         block symbols; just pass them to place_block_symbol.
12424         Use get_variable_section and assemble_variable_contents.
12425         (get_constant_alignment, get_constant_section, get_constant_size): New
12426         functions, split from output_constant_def_contents.
12427         (build_constant_desc): Create a block symbol if use_object_blocks_p
12428         says so.  Or into SYMBOL_REF_FLAGS.
12429         (assemble_constant_contents): New function, split from...
12430         (output_constant_def_contents): ...here.  Don't output any code
12431         for block symbols; just pass them to place_section_symbol.
12432         Use get_constant_section and get_constant_alignment.
12433         (force_const_mem): Create a block symbol if use_object_blocks_p and
12434         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
12435         (output_constant_pool_1): Add an explicit alignment argument.
12436         Don't switch sections here.
12437         (output_constant_pool): Adjust call to output_constant_pool_1.
12438         Switch sections here instead.  Don't output anything for block symbols;
12439         just pass them to place_block_symbol.
12440         (init_varasm_once): Initialize object_block_htab.
12441         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12442         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12443         (place_block_symbol, get_section_anchor, output_object_block)
12444         (output_object_block_htab, output_object_blocks): New functions.
12445         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12446         (TARGET_ASM_OUT): Include it.
12447         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12448         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12449         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12450         (TARGET_INITIALIZER): Include them.
12451         * rtl.c (rtl_check_failed_block_symbol): New function.
12452         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
12453         (block_symbol, object_block): New structures.
12454         (rtx_def): Add a block_symbol field to the union.
12455         (BLOCK_SYMBOL_CHECK): New macro.
12456         (rtl_check_failed_block_symbol): Declare.
12457         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12458         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12459         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12460         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12461         * output.h (output_section_symbols): Declare.
12462         (object_block): Name structure.
12463         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12464         (default_use_anchors_for_symbol_p): Declare.
12465         * Makefile.in (RTL_BASE_H): Add vec.h.
12466         (explow.o): Depend on output.h.
12467         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12468         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12469         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12470         (rs6000_use_blocks_for_constant_p): New function.
12471
12472 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12473
12474         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12475
12476 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
12477
12478         PR tree-opt/25680
12479         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12480         IMAGPART_EXPR.
12481
12482 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
12483
12484         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12485         is_aliased.
12486         Update all users.
12487
12488 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
12489
12490         PR middle-end/26334
12491         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12492         instead of DECL_REGISTER.
12493
12494 2006-02-18  Olivier Hainque  <hainque@adacore.com>
12495
12496         PR ada/13408
12497         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12498
12499 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
12500
12501         PR target/24837
12502         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12503         * opth-gen.awk: Handle Var and InverseMask together.
12504         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12505         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12506         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12507         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12508         used together.
12509         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12510         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12511         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12512         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12513         LINUX_DYNAMIC_LINKER): Define.
12514         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12515         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12516         TARGET_GLIBC.
12517         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12518         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12519         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12520         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12521         (TARGET_C99_FUNCTIONS): Don't define.
12522         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12523         GLIBC_DYNAMIC_LINKER.
12524         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12525         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12526         GLIBC_DYNAMIC_LINKER64): Define.
12527         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12528         LINUX_DYNAMIC_LINKER64.
12529         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12530         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12531         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12532         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12533         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12534         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12535         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12536         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12537         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12538         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12539         and LINUX_DYNAMIC_LINKER32.
12540         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12541         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12542         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12543         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12544         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12545         TARGET_GLIBC.
12546         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12547         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12548         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12549         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12550         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12551         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12552         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12553         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12554         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12555         LINUX_DYNAMIC_LINKER): Define.
12556         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12557         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12558         GLIBC_DYNAMIC_LINKER64): Define.
12559         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12560         LINUX_DYNAMIC_LINKER64.
12561         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12562         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12563         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12564         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12565         LINUX_DYNAMIC_LINKER): Define.
12566         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12567         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12568         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12569         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12570         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12571         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12572         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12573         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12574         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12575         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12576         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12577         * doc/invoke.texi (-muclibc): Remove caveat about supported
12578         targets.
12579
12580 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12581
12582         * doc/cpp.texi (__TIMESTAMP__): Document.
12583
12584 2006-02-17  Roger Sayle  <roger@eyesopen.com>
12585
12586         PR middle-end/25600
12587         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12588         C is one less than the width of X (and related transformations).
12589         * simplify-rtx.c (simplify_unary_operation_1): Transform
12590         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12591         depending on STORE_FLAG_VALUE, were C is one less then the
12592         width of X.
12593
12594 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
12595
12596         Fix PR tree-optimization/26341
12597         * tree-ssa-operands.c (add_virtual_operand): Remove assert
12598         about NAME_MEMORY_TAG's.
12599
12600 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12601
12602         PR target/26255
12603         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12604         with hardware float support, and software float support.  Add fcpy
12605         alternative to hardware patterns.  Add alternatives to copy between
12606         general and floating-point registers to the 32-bit pattern.
12607         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12608         secondary reload to load a QI or HI mode constant into a floating
12609         point register.
12610         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12611         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12612
12613 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
12614
12615         PR target/26272
12616         * config/rs6000/darwin.md (load_macho_picbase_si): Add
12617         pc to the pattern.
12618         (load_macho_picbase_di): Likewise.
12619
12620 2006-02-16  Jeff Law  <law@redhat.com>
12621
12622         * tree-vrp.c (set_value_range_to_nonnegative): New function.
12623         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12624         (ssa_name_nonzero_p): Likewise.
12625         (get_value_range): Return NULL if VRP is not running.
12626         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12627         VRP routines do not discover a range.
12628         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12629         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12630         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12631         (tree_expr_nonnegative_p): Similarly.
12632         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12633         (restore_nonzero_vars_to_original_value): Remove.
12634         (unsafe_associative_fp_binop): Remove.
12635         (tree_ssa_dominator_optimize): Remove initialization and
12636         finalization of nonzero_vars and nonzero_vars_stack.
12637         (dom_opt_initialize_block): No longer push marker on
12638         nonzero_vars_stack.
12639         (dom_opt_finalize_block): No longer call
12640         restore_nonzero_vars_to_original_value.
12641         (record_equivalences_from_phis): No longer look for
12642         nonzero PHI arguments.
12643         (cprop_into_successor_phis): No longer propagate nonzero
12644         property into PHI arguments.  Lose unused argument.  Caller
12645         updated.
12646         (record_equivalences_from_stmt): No longer record nonzero
12647         values for SSA_NAMEs.
12648         (lookup_avail_expr): No longer use nonzero_vars.
12649
12650         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12651         for sizetype when sizetype is unsigned.
12652
12653 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
12654
12655         PR rtl-optimization/25603
12656         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12657         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12658         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12659         with new meaning of SETS.
12660
12661 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
12662
12663         PR target/20353
12664         PR target/24578
12665         PR target/24837
12666         * config/linux.opt: New file.
12667         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12668         LINUX_DYNAMIC_LINKER): Define.
12669         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12670         * config.gcc (*-*-linux*): Define extra_options.
12671         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12672         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12673         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12674         GLIBC_DYNAMIC_LINKER.
12675         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12676         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12677         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12678         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12679         * doc/invoke.texi (GNU/Linux Options): New section.
12680
12681 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12682
12683         * config/sparc/sparc.md (setjmp): Rewrite.
12684         (setjmp_32): Delete.
12685         (setjmp_64): Likewise.
12686
12687 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
12688
12689         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12690          previous change.
12691
12692 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
12693
12694         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12695         read-write uses.
12696
12697 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
12698
12699         PR rtl-optimization/26296
12700         * Makefile.in (loop-invariant.c): Add except.h dependency.
12701         * loop-invariant.c: Include except.h.
12702         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12703
12704 2005-02-16  Paul Brook  <paul@codesourcery.com>
12705
12706         * reload1.c (emit_reload_insns): Invalidate dead input registers used
12707         for reloads.
12708
12709 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
12710
12711         PR rtl-optimization/25636
12712         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12713         when deciding whether an insn is an initializing insn.
12714
12715 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
12716
12717         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12718         (tree_code_size): Ditto.
12719         * tree.h (struct tree_memory_tag): Remove parent_var.
12720         (struct tree_struct_field_tag): New.
12721         (SFT_OFFSET): New.
12722         (SFT_SIZE): New.
12723         (union tree_node): Add sft member.
12724         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12725         specially here.
12726         (create_sft): Add size and offset argument, set SFT_OFFSET and
12727         SFT_SIZE.
12728         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12729         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12730         * tree-flow-inline.h (get_subvar_at): Update for
12731         SFT_OFFSET/SFT_SIZE.
12732         (var_can_have_subvars): Ditto.
12733         (overlap_subvar): Ditto.
12734         * print-tree.c (print_node): Print out interesting things for
12735         SFT's.
12736         * tree-flow.h (struct subvar): Remove offset and size members.
12737         * tree-ssa-operands.c (get_expr_operands): Update for
12738         get_indirect_ref_operands changes.
12739         (get_indirect_ref_operands): Call add_virtual_operand instead of
12740         add_stmt_operand.  Only recurse on base var if requested.
12741         (access_can_touch_variable): New function.
12742         (add_stmt_operand): Split virtual operand handling into ...
12743         (add_virtual_operand): Here.  Add offset, size, and for_clobber
12744         arguments.  Prune alias sets.
12745         (add_call_clobber_ops): Call add_virtual_operand.
12746
12747 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
12748
12749         PR middle-end/26300
12750         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12751
12752         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12753         than TREE_CODE as index into omp_clause_num_ops array.
12754
12755 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
12756
12757         PR rtl-optimization/26184
12758         * modulo-sched.c (generate_reg_moves): Free bitmap vector
12759         uses_of_defs.
12760         * modulo-sched.c (sms_schedule): Free g_arr pointer.
12761         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12762         must_precede, must_follow and tobe_scheduled.
12763
12764         PR other/26147
12765         * opts.c (common_handle_option): Free new_option pointer.
12766         * df-core.c (df_analyze): Free postorder pointer.
12767
12768 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12769
12770         * Makefile.in: Fix the examples about the use of stamps
12771
12772 2006-02-15  Michael Matz  <matz@suse.de>
12773
12774         PR middle-end/22275
12775
12776         * stor-layout.c (layout_decl): Zero-width bitfields aren't
12777         influenced by maximum_field_alignment or DECL_PACKED.
12778         (update_alignment_for_field): Ditto.
12779         (place_field): Ditto.
12780         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12781         this behaviour.
12782
12783 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
12784
12785         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12786         (debug_flow_info): Pass it.
12787         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12788         * bb-reorder.c (reorder_basic_blocks): Likewise.
12789         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12790         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12791         * flow.c (life_analysis, recompute_reg_usage): Likewise.
12792         * gcse.c (gcse_main, bypass_jumps): Likewise.
12793         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12794         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12795         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12796         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12797         * rtl.h (dump_flow_info): Adjust prototype.
12798         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12799         * var-tracking.c (variable_tracking_main): Likewise.
12800         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12801         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12802         options.
12803
12804 2006-02-15  Marcin Dalecki <martin@dalecki.de>
12805
12806         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12807         construction.
12808
12809 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
12810
12811         PR tree-optimization/26209
12812         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12813         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12814         eh edges.
12815         * tree-cfg.c (replace_uses_by): Do not alter cfg.
12816
12817 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12818
12819         PR middle-end/23670
12820         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12821         (X,Y) and the corresponding symmetry related transformations.
12822         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12823         (X,Y) and its symmetry related transformations.
12824
12825 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12826
12827         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12828         and GEU.
12829
12830 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
12831
12832         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12833
12834 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12835
12836         PR bootstrap/26053
12837         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12838         support COMDAT group.
12839         * configure: Regenerate.
12840
12841 2006-02-14  Roger Sayle  <roger@eyesopen.com>
12842
12843         PR middle-end/26279
12844         PR middle-end/26280
12845         PR middle-end/26283
12846         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12847
12848 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
12849
12850         Fix PR tree-optimization/26260
12851
12852         * doc/invoke.texi (max-fields-for-field-sensitive): Document
12853         param.
12854         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12855         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12856         * tree-ssa-structalias.c (create_variable_info_for): Use
12857         MAX_FIELDS_FOR_FIELD_SENSITIVE.
12858
12859 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
12860
12861         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12862         Document.
12863         * tree-ssa-loop-niter.c (number_of_iterations_ne,
12864         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12865         of the ending condition.
12866         * tree-ssa-loop-manip.c: Include params.h.
12867         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12868         tree_unroll_loop): New functions.
12869         * tree-pass.h (pass_loop_prefetch): Declare.
12870         * loop.c (rest_of_handle_loop_optimize): Test for
12871         -fprefetch-loop-arrays-rtl.
12872         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12873         * timevar.def (TV_TREE_PREFETCH): New timevar.
12874         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12875         pass_loop_prefetch): New.
12876         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12877         (cleanup_tree_cfg_loop): Call scev_reset.
12878         * common.opt (fprefetch-loop-arrays-rtl): Add.
12879         * tree-ssa-loop-prefetch.c: New file.
12880         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12881         (new_temp_expr_table): Initialize expr_vars.
12882         (free_temp_expr_table): Cleanup expr_vars.
12883         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12884         expressions from being merged into one.
12885         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12886         (struct tree_niter_desc): Add control, bound and cmp fields.
12887         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12888         Declare.
12889         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12890         (tree-cfgcleanup.o): Add SCEV_H dependency.
12891         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12892         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12893
12894 2006-02-14  Richard Guenther  <rguenther@suse.de>
12895
12896         PR tree-optimization/26258
12897         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12898         in PHI argument processing.
12899
12900 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
12901
12902         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12903         new expression in the requested machine mode.
12904
12905 2006-02-13  Roger Sayle  <roger@eyesopen.com>
12906
12907         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12908         directly, instead let do_compare_rtx_and_jump handle this for us.
12909         * expr.c (expand_expr_real_1): Likewise.
12910         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
12911         before do_jump_by_parts_greater.
12912         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12913         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12914
12915 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12916
12917         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12918
12919 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
12920
12921         PR rtl-optimization/26235
12922         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12923         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
12924         format.
12925
12926 2006-02-13  Jeff Law  <law@redhat.com>
12927
12928         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12929         TRUTH_XOR_EPR.
12930
12931 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
12932
12933         PR middle-end/26092
12934         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12935         twice if decl is a builtin.  When trying again, call get_callee_fndecl
12936         first to verify it is still a builtin.
12937
12938 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
12939
12940         * dwarf2out.c (base_type_die): Don't add AT_name here.
12941         (subrange_type_die): Don't add AT_name here.
12942         (modified_type_die): Rearrange code flow.  Do add AT_name here.
12943
12944 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
12945
12946         PR rtl-optimization/26247
12947         PR rtl-optimization/26248
12948         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12949
12950 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
12951
12952         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12953         * config/fixtfdi.c: Likewise.
12954         * config/fixunstfdi.c: Likewise.
12955         * config/floatditf.c: Likewise.
12956
12957 2006-02-13  Roger Sayle  <roger@eyesopen.com>
12958
12959         PR middle-end/24427
12960         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12961         into (X,C2) if C1 is a subset of the bits of C2.  Transform
12962         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
12963         (X&(C1&~C2))|C2.
12964         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12965
12966 2006-02-13  Josh Conner  <jconner@apple.com>
12967
12968         PR target/25376
12969         * varasm.c (function_section): Check for section name before
12970         calling select_section on targets that define
12971         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
12972         unlikely_text_section instead of hot_function_section if
12973         first_function_block_is_cold.
12974
12975 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
12976
12977         PR middle-end/25335
12978         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12979
12980 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
12981
12982         PR rtl-optimization/26222
12983         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12984         after tree->rtl expansion.
12985         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12986         before passing it to emit_move_insn.
12987
12988 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12989
12990         * doc/invoke.texi (-Write-strings): Document that it is enabled by
12991         default.
12992         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12993         Clarify documentation.
12994         * c-common.h (warn_write_strings): Remove.
12995         * c-common.c (warn_write_strings): Likewise.
12996         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12997         default for C++.
12998
12999 2006-02-12  Roger Sayle  <roger@eyesopen.com>
13000
13001         PR middle-end/25724
13002         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13003         (do_jump_parts_zero_rtx): New function renamed from
13004         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
13005         (do_jump_parts_equality_rtx): New function split out from
13006         do_jump_parts_equality.  Old implementation renamed as above.
13007         Call do_jump_parts_zero_rtx if either operand is zero.
13008         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13009         do all of the heavy lifting.
13010         (do_compare_rtx_and_jump): Handle multi-word comparisons by
13011         calling either do_jump_by_parts_greater_rtx or
13012         do_jump_by_parts_equality_rtx.
13013         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13014         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13015         moved to do_compare_rtx_and_jump, call it directly.
13016         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
13017         mode argument.  Call do_compare_rtx_and_jump.
13018         (emit_case_nodes): Update calls to do_jump_if_equal.
13019
13020 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13021
13022         PR rtl-optimization/26225
13023         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13024
13025 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
13026
13027         PR rtl-optimization/26232
13028         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13029
13030 2006-02-11  Jason Merrill  <jason@redhat.com>
13031
13032         PR tree-opt/24365
13033         * tree-inline.c (declare_return_variable): Just don't use the
13034         modify target if it's a gimple complex reg and the return slot
13035         isn't.
13036
13037 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13038
13039         * doc/contrib.texi: Update my entry.
13040
13041 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
13042
13043         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13044
13045 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
13046
13047         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13048         expensive.
13049
13050 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
13051
13052         * doc/invoke.texi (-floop-optimize2): Removed.
13053         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13054         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13055         Test flag_branch_on_count_reg only if HAVE_doloop_end.
13056         * common.opt (floop-optimize2): Removed.
13057         (fmove-loop-invariants): Enabled by default.
13058
13059 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
13060
13061         * tree-if-conv.c (combine_blocks): Free the result of
13062         get_loop_exit_edges.
13063
13064 2006-02-10  Jeff Law  <law@redhat.com>
13065
13066         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13067
13068         PR tree-optimization/26213
13069         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13070         loop trying to follow SSA_NAME_VALUE chains.
13071
13072 2006-02-10  Richard Guenther  <rguenther@suse.de>
13073
13074         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13075         deal with structures that end in implicitly variable sized arrays.
13076
13077 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13078
13079         PR rtl-optimization/24762
13080         * df-scan.c (df_bb_refs_record): Record correct registers defined on
13081         eh edges.
13082
13083 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
13084
13085         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13086         (struct ivopts_data): Add regs_used field.
13087         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13088         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13089         instead of loop_data->regs_used;
13090         (free_loop_data): Do not free aux fields for loops.
13091         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13092         and tree_ssa_iv_optimize_finalize.
13093
13094 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
13095
13096         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13097
13098 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13099
13100         PR target/26141
13101         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13102         computing the effective result type.
13103
13104 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13105
13106         PR inline-asm/16194
13107         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13108         (tree_overlaps_hard_reg_set): Declare.
13109         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
13110         type and signature to match function type expected by walk_tree.
13111         (tree_overlaps_hard_reg_set): New function.
13112         (decl_conflicts_with_clobbers_p): Rename to:
13113         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
13114         Use tree_overlaps_hard_reg_set.  Changed caller.
13115         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13116         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13117         * cris.c (cris_md_asm_clobbers): Likewise.
13118
13119 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
13120
13121         * reload1.c (emit_input_reload_insns): Delete code that tries to
13122         inherit using find_equiv_reg.
13123
13124 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13125
13126         * c-common.h (flag_const_strings): Don't declare.
13127         * c-common.c (flag_const_strings): Remove.
13128         * c.opt (fconst_strings): Remove.
13129         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13130         <OPT_Wwrite_strings>: Don't set flag_const_strings.
13131         (c_common_init_options): Don't set flag_const_strings.
13132         * doc/invoke.texi (-fno-const-strings): Remove documentation.
13133
13134 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
13135
13136         * arm.md (tlobits_cbranch): New pattern.
13137         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13138         testing a single bit.
13139
13140 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13141
13142         PR tree-opt/26179
13143         * tree-ssa-pre.c (create_component_ref_by_pieces):
13144         Handle RETURN_DECL like VAR_DECL.
13145
13146 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13147
13148         PR middle-end/26134
13149         * fold-const.c (fold_indirect_ref_1): Fold
13150         "*(foo *)&complexfoo" to "__real__ complexfoo"
13151         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13152
13153 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
13154
13155         * tree-flow-inline.h (var_can_have_subvars):
13156         Volatile variables should not have subvariables.
13157
13158 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
13159
13160         PR 26180
13161         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13162         multiplying unsigned values.
13163         Tidy comments.
13164
13165 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
13166
13167         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13168
13169 2006-02-08  Jason Merrill  <jason@redhat.com>
13170
13171         PR c++/25979
13172         * tree.def: Elaborate on difference from MODIFY_EXPR.
13173         * doc/c-tree.texi (INIT_EXPR): Likewise.
13174         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13175         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13176         (gimplify_target_expr): Likewise.
13177         (gimplify_cond_expr): Remove target handling.
13178         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13179         (gimplify_expr): Clobber it here.
13180         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13181         Do return slot optimization if we have an INIT_EXPR.
13182
13183         PR tree-opt/24365
13184         * tree-inline.c (declare_return_variable): Also clear
13185         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13186
13187         PR c++/16405
13188         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13189
13190         PR middle-end/22439
13191         * gimplify.c (gimplify_one_sizepos): Fix typo.
13192
13193 2006-02-08  Jeff Law  <law@redhat.com>
13194
13195         PR tree-optimization/21417
13196         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13197         across a backedge if the control statement at the end of the
13198         block is data dependent on other statements in the same block.
13199         (record_temporary_equivalences_from_stmts): Remove over-conservative
13200         test for threading across backedges.
13201
13202         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13203         control statement, handle all three special cases in the same
13204         manner as they all have the same desired solution.  No longer
13205         special case edge flag updating when the post dominator is
13206         the exit block.
13207
13208 2006-02-08  Roger Sayle  <roger@eyesopen.com>
13209
13210         * tree.def (CHAR_TYPE): Remove.
13211         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13212         * dwarf2out.c (base_type_die, is_base_type): Likewise.
13213         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13214         (gen_string_type_die): Delete unreachable function.
13215
13216         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13217         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13218         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13219         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13220         * builtins.c (type_to_class): Likewise.
13221         * fold-const.c (fold_convert, build_range_check,
13222         merge_ranges): Likewise.
13223         * expr.c (count_type_elements): Likewise.
13224         * c-pretty-print.c (pp_c_type_specifier): Likewise.
13225         * stor-layout.c (layout_type): Likewise.
13226         * ipa-type-escape.c (type_to_consider): Likewise.
13227         * gimplify.c (omp_firstprivatize_type_sizes,
13228         gimplify_type_sizes): Likewise.
13229         * explow.c (promote_mode): Likewise.
13230         * tree-sra.c (is_sra_scalar_type): Likewise.
13231         * varasm.c (output_constant): Likewise.
13232         * tree-inline.c (remap_type_1): Likewise.
13233         * convert.c (convert_to_pointer, convert_to_real,
13234         convert_to_integer, convert_to_complex): Likewise.
13235
13236 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
13237
13238         * df-scan.c (df_def_record_1): A set destination may
13239         be a parallel regardless of mode.
13240
13241 2006-02-08  Roger Sayle  <roger@eyesopen.com>
13242
13243         PR target/22209
13244         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13245         * config/mips/_tilib.c: Remove.
13246         * config/fixtfdi.c: New libgcc source file.
13247         * config/fixunstfdi.c: New source file.
13248         * config/floatditf.c: New source file.
13249         * config/floatunditf.c: New souce file.
13250         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13251         files above instead of config/mips/_tilib.c.
13252         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13253
13254 2006-02-08  Jeff Law  <law@redhat.com>
13255
13256         PR tree-optimization/26169
13257         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13258         threading jumps.
13259
13260 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
13261
13262         * df.h (DF_REG_SIZE): Return the length of the initialized
13263         part of the array.
13264
13265 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
13266
13267         * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13268         __muldf3): Return a correctly signed zero.
13269
13270 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
13271
13272         * passes.c (register_one_dump_file): Accept the current properties
13273         instead of pass number.  Adjust call to dump_register.  Remove
13274         duplicated code.
13275         (register_dump_files): Now a wrapper around...
13276         (register_dump_files_1): ... this one.  Do not modify the pass
13277         structure.
13278         (next_pass_1): Cosmetic fix.
13279         (execute_todo): Keep second parameter only.  Use curr_properties
13280         instead of fetching it from the pass structure.  Check and set
13281         last_verified.
13282         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
13283         instead of fetching it from the pass structure.  Fix calls to
13284         execute_todo.  Update curr_properties and initialize .vcg RTL dump
13285         after running the pass.  Reset last_verified.
13286         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
13287         at the beginning.
13288         (FIRST_AUTO_NUMBERED_DUMP): New.
13289         (dump_register): Remove "num" parameter, assign it within the
13290         function.
13291         (get_dump_file_name): Modify template for dumps.
13292         * tree-dump.h (dump_register): Adjust prototype.
13293         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13294         (PROP_trees): Add PROP_gimple_lomp.
13295         (TODO_set_props): New.
13296         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13297         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13298         * cfgexpand.c (pass_expand): Destroy PROP_trees.
13299
13300 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
13301
13302         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13303         (sparc64-*-linux*): Likewise.
13304         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13305         * config/sparc/t-linux: New file.
13306         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13307         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13308         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13309         -m32 -mlong-double-128.
13310
13311         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13312         * config/alpha/t-linux: New file.
13313         * config/alpha/libgcc-alpha-ldbl.ver: New file.
13314
13315         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13316         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13317         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13318         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13319         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13320         (CPP_ARCH32_SPEC): Remove.
13321
13322 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
13323
13324         PR tree-optimization/26145
13325         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13326         bbs pointer.
13327
13328 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13329
13330         PR target/26109
13331         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13332         >= 240000 when generating code for SOM runtime.
13333         (output_indirect_call): Don't use "b,l" instruction for indirect calls
13334         to $$dyncall when generating code for SOM runtime..
13335
13336 2006-02-07  Dirk Mueller  <dmueller@suse.com>
13337
13338         PR c++/18150
13339         * doc/invoke.texi (-Wsequence-point): Update documentation
13340         that -Wsequence-point is implemented for C++ as well.
13341
13342 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13343
13344         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13345         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13346         (LIB_SPEC): Likewise.
13347         * doc/invoke.texi (SPARC options): Document -pthread.
13348
13349 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
13350
13351         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13352         PIC addresses.
13353
13354 2006-02-07  Roger Sayle  <roger@eyesopen.com>
13355
13356         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13357         Correct comment describing BOOLEAN_TYPE.
13358
13359 2006-02-07  Dirk Mueller  <dmueller@suse.com>
13360
13361         * c.opt: C++ frontend supports -Wdiv-by-zero.
13362         * c-opts.c (c_common_handle_option): Remove dead case.
13363
13364 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13365
13366         * configure.ac (TLS assembler check): Do not enable TLS by
13367         default on SPARC/Solaris before version 10.
13368         * configure: Regenerate.
13369
13370 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
13371
13372         * doc/invoke.texi (xl-compat): Document conversion and support
13373         routine names.
13374
13375 2006-02-07  Jeff Law  <law@redhat.com>
13376
13377         * tree-vrp.c (find_conditional_asserts): Update comments.
13378         (simplify_stmt_for_jump_threading): New.
13379         (identify_jump_threads, finalize_jump_threads): New.
13380         (vrp_finalize): Call identify_jump_threads.
13381         (execute_vrp): Call finalize_jump_threads.
13382         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13383         (vrp_element, vrp_data, vrp_element_p): Remove.
13384         (vrp_hash_elt, vrp_variables_stack): Remove.
13385         (vrp_hash, vrp_eq, record_range): Remove.
13386         (simplify_cond_and_lookup_avail_expr): Remove.
13387         (extract_range_from_cond): Remove.
13388         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13389         (simplify_stmt_for_jump_threading): New.
13390         (dom_thread_across_edge): New wrapper.
13391         (tree_ssa_dominator_optimize): No longer initialize or
13392         finalize any of the VRP datastructures.  Remove iteration
13393         step and simplify as a result of removal of iteration step.
13394         (pass_dominator): Perform a cfg cleanup after DOM.
13395         (dom_opt_finalize_block): Use the new common routines
13396         for threading jumps.  Simplify stack management slightly.
13397         No longer need to unwind VRP state.
13398         (record_equivalences_from_incoming_edge): No longer record
13399         VRP information.
13400         (eliminate_redundant_computations): No longer call
13401         simplify_cond_and_lookup_avail_expr.
13402         * tree-flow.h (potentially_threadable_block): Prototype.
13403         (thread_across_edge): Likewise.
13404         * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13405         (tree-ssa-threadedge.o): Add dependencies.
13406         * tree-ssa-threadedge.c: New file.
13407         * passes.c (init_optimization_passes): Merge PHIs before
13408         calling VRP.  Run VRP again late in the SSA optimization pipeline.
13409
13410 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13411
13412         * df-core.c (df_set_blocks): Do not dereference function pointers.
13413         (df_finish1): Likewise.
13414         (df_hybrid_search_forward): Likewise.
13415         (df_hybrid_search_backward): Likewise.
13416         (df_iterative_dataflow): Likewise.
13417         (df_analyze_problem): Likewise.
13418         (df_compact_blocks): Likewise.
13419         (df_dump): Likewise.
13420         * df-scan.c (df_rescan_blocks): Likewise.
13421         (df_record_entry_block_defs): Likewise.
13422
13423         * genconditions.c (write_conditions): Guard the definition of
13424         'insn_conditions' with the check on GCC version.
13425         (write_writer): Guard the traversal 'insn_conditions' with
13426         the check on GCC version.
13427
13428 2006-02-07  Richard Guenther  <rguenther@suse.de>
13429
13430         PR c++/26140
13431         Revert
13432         2006-01-30  Richard Guenther  <rguenther@suse.de>
13433         PR c++/23372
13434         * gimplify.c (gimplify_target_expr): Handle easy cases
13435         without creating a temporary.
13436
13437 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
13438
13439         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13440         use of float in probability computations.  Use edge probabilities
13441         in place of statically computed probabilities.
13442         (min_spec_prob): New static variable.
13443         (schedule_insns): Initialize it.
13444         (GET_SRC_PROB): Removed.
13445         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13446
13447 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
13448
13449         PR debug/24444
13450         * config/ia64/unwind-ia64.c: Revert last change.
13451         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13452         (INCOMING_FRAME_SP_OFFSET): Define.
13453
13454 2006-02-06  Roger Sayle  <roger@eyesopen.com>
13455
13456         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13457
13458 2006-02-07  Ben Elliston  <bje@au.ibm.com>
13459
13460         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13461         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13462         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13463         (ix86_return_in_memory): Handle TDmode.
13464         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13465         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13466
13467 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
13468
13469         * reorg.c (dbr_schedule): Use dump_file instead of file.
13470
13471 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
13472
13473         PR target/25917
13474         * config/ia64/predicates.md (extr_len_operand): New predicate.
13475         * config/ia64/ia64.md (extv): Tighten constraints.
13476         (extzv): Ditto.
13477         (*tbit_and_2): Ditto.
13478         (*tbit_and_3): Ditto.
13479         (*tbit_or_2): Ditto.
13480         (*tbit_or_3): Ditto.
13481         (*bit_zero): Ditto.
13482         (*bit_one): Ditto.
13483
13484 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
13485
13486         PR target/23359
13487         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13488
13489 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
13490
13491         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13492         loop_optimizer_init and loop_optimizer_finalize
13493         * tree-ssa-sink.c (execute_sink_code): Ditto.
13494         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13495         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13496         tree_ssa_loop_done): Ditto.
13497         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13498         * sched-ebb.c: Include output.h.
13499         (schedule_ebbs): Do not use dump argument.
13500         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13501         * loop.c (loop_dump_stream): Removed.
13502         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13503         argument.
13504         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13505         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13506         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13507         loop_iterations, strength_reduce, record_biv, record_giv,
13508         final_giv_value, check_final_value, check_ext_dependent_givs,
13509         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13510         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13511         dump_file instead of loop_dump_stream.
13512         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13513         argument dump_file.
13514         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13515         dump argument.
13516         * flow.c (life_analysis, rest_of_handle_life): Ditto.
13517         * haifa-sched.c: Include output.h
13518         (schedule_insns, sched_init): Do not use dump argument.
13519         * mode-switching.c (optimize_mode_switching): Ditto.
13520         * modulo-sched.c (stats_file): Removed.
13521         (print_node_sched_params): Do not call argument dump_file.
13522         (sms_schedule_by_order, loop_canon_p, sms_schedule,
13523         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
13524         of stats_file.
13525         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13526         use dump argument.
13527         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13528         rtl_loop_init, rtl_loop_done): Ditto.
13529         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13530         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13531         Ditto.
13532         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13533         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13534         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13535         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13536         * emit-rtl.c (renumber_insns): Ditto.
13537         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13538         expand_gimple_basic_block, tree_expand_cfg): Ditto.
13539         * regclass.c (regclass): Ditto.
13540         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13541         remove_ssa_form, rewrite_out_of_ssa): Ditto.
13542         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13543         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13544         Ditto.
13545         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13546         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13547         to regclass.
13548         * gcse.c (gcse_file, debug_stderr): Removed.
13549         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13550         rest_of_handle_gcse): Do not use dump argument.
13551         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13552         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13553         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13554         compute_code_hoist_vbeinout, compute_code_hoist_data,
13555         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13556         compute_store_table, build_store_vectors, insert_insn_start_bb,
13557         insert_store, remove_reachable_equiv_notes, replace_store_insn,
13558         store_motion): Use dump_file instead of gcse_file.
13559         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13560         * profile.c (profile_dump_file): Removed.
13561         (branch_prob): Use dump_file instead of profile_dump_file.
13562         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13563         dump_file.
13564         * tree-ssa-copy.c (dump_copy_of): Ditto.
13565         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13566         dump file to life_analysis.
13567         * bt-load.c (branch_target_load_optimize): Ditto.
13568         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13569         renumber_insns.
13570         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13571         regclass, dbr_schedule): Declaration changed.
13572         * sched-int.h (sched_init): Declaration changed.
13573         * tree-profile.c (tree_profile_dump_file): Removed.
13574         (tree_profile_hooks): Removed profile_dump_file hook.
13575         * rtl-profile (rtl_profile_dump_file): Removed.
13576         (rtl_profile_hooks): emoved profile_dump_file hook.
13577         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13578         changed.
13579         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13580         * tree-cfg.c (build_tree_cfg): Ditto.
13581         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13582         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13583         Declaration changed.
13584         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13585         life_analysis and schedule_insns.
13586         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13587         life_analysis.
13588         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13589         dbr_schedule.
13590         * config/mips/mips.c (mips_reorg): Ditto.
13591         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13592         schedule_ebbs.
13593
13594 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
13595
13596         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13597         (s390_mangle_fundamental_type): New.
13598         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13599         Define.
13600
13601         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13602         (alpha_mangle_fundamental_type): New.
13603         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13604         Define.
13605
13606         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13607         Define.
13608         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13609         Define.
13610         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13611         (sparc_mangle_fundamental_type): New.
13612
13613 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
13614
13615         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13616         (s390x-*-linux*): Likewise.
13617         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13618         * config/s390/t-linux: New file.
13619
13620 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
13621
13622         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13623         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13624
13625 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
13626
13627         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13628         (ANTIC_SAFE_LOADS): New macro.
13629         (find_or_generate_expression): Add prototype.
13630         (set_contains_value): Allow null set for sake of not always having
13631         to allocate ANTIC_SAFE_LOADS.
13632         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13633         Allow COMPONENT_REF too.
13634         (valid_in_set): Allow COMPONENT_REF.
13635         Check ANTIC_SAFE_LOADS too.
13636         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13637         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13638         rename.
13639         (can_PRE_operation): Add COMPONENT_REF.
13640         (create_component_ref_by_pieces): New function.
13641         (create_expression_by_pieces): Use create_component_ref_by_pieces.
13642         (insert_aux): Move AGGREGATE_TYPE_P check here.
13643         (compute_avail): Set bb local stmt uids.
13644         (pass_pre): Use TODO_update_ssa_only_virtuals.
13645
13646 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13647
13648         * configure.ac: Unconditionally disable decimal float by default.
13649         * configure: Regenerate.
13650
13651 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13652
13653         * read-rtl.c (read_name): Terminate reading on EOF.
13654
13655 2006-02-06  Ben Elliston  <bje@au.ibm.com>
13656
13657         * dfp.c (decimal_real_arithmetic): Change second argument type
13658         from int to enum tree_code. Do not always return true, but now
13659         return result of any call to decimal_do helper functions.
13660         * dfp.h (decimal_real_arithmetic): Update prototype.
13661
13662 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
13663
13664         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13665
13666 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
13667
13668         PR tree-opt/25251
13669         * tree-cfg.c (cleanup_dead_labels): Also don't remove
13670         forced labels.
13671
13672 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
13673
13674         * tree-vrp.c (cfg_loops): Removed.
13675         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13676         Use current_loops instead of cfg_loops.  Pass flags to
13677         loop_optimizer_init.
13678         * cfgloopmanip.c (fix_loop_structure): Update only available
13679         information.
13680         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13681         loop_optimizer_init.
13682         * modulo-sched.c (build_loops_structure): Removed.
13683         (sms_schedule): Use loop_optimizer_init.
13684         * loop-init.c (loop_optimizer_init): Use flags to determine
13685         which properties of loops to prepare.
13686         (rtl_loop_init): Pass flags to loop_optimizer_init.
13687         * tree-ssa-sink.c (execute_sink_code): Ditto.
13688         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13689         * tree-ssa-pre.c (init_pre): Ditto.
13690         * cfgloop.h (LOOPS_NORMAL): New.
13691         (loop_optimizer_init): Declaration changed.
13692
13693 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13694
13695         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13696         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13697         pa/t-pa.
13698         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13699         pa/t-pa.
13700         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13701         pa/x-ada.
13702         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13703         * pa/t-pa64: Delete quadlib.c rule.
13704         * pa/x-ada: Revert last change.
13705         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
13706
13707 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
13708
13709         PR rtl-optimization/26087
13710         * rtlanal.c (canonicalize_condition): Do not cross basic block
13711         boundaries.
13712
13713 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
13714
13715         PR debug/24444
13716         * config/ia64/ia64.c: Include debug.h.
13717         (MAX_ARTIFICIAL_LABEL_BYTES): New.
13718         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13719         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13720         (process_epilogue, process_set, process_for_unwind_directive):
13721         Output unwind info only if requested.  Add CFA info if requested.
13722         Add new arguments as needed.  Adjust callers.
13723         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13724         incorrect default.
13725         (DWARF2_FRAME_INFO): Define to zero.
13726         * config/ia64/unwind-ia64.c: Remove code that compensated for
13727         the CFA offset error fixed above.
13728         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13729         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13730         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13731         -funwind-tables and -fexceptions to enable frame info.
13732         (dwarf2out_frame_init): Define initial CFA even if
13733         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
13734         DWARF2_UNWIND_INFO is nonzero, not just defined.
13735         (dwarf2out_frame_finish): Output non-EH call frame info only
13736         if DWARF2_FRAME_INFO is nonzero.
13737         (convert_cfa_to_loc_list,
13738         compute_frame_pointer_to_cfa_displacement): Define even if
13739         unwind info is not supported.
13740         (gen_subprogram_die): Use the above unconditionally.  Remove
13741         legacy alternate code.
13742         * toplev.c (compile_file): Compile in call to
13743         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13744         (lang_dependent_init): Ditto for dwarf2out_frame_init.
13745
13746 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
13747             Jakub Jelinek  <jakub@redhat.com>
13748
13749         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13750         IBM extended float format long double as "g" on powerpc*-linux.
13751
13752 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13753
13754         PR target/25926
13755         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13756         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13757
13758 2006-02-03  Jason Merrill  <jason@redhat.com>
13759
13760         PR c++/25979
13761         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13762
13763         PR middle-end/25977
13764         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13765         on the return slot if it's an NRV.
13766
13767 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
13768
13769         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13770         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13771         rewrite_use): Do not handle USE_OUTER.
13772         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13773         add_iv_outer_candidates, may_replace_final_value,
13774         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13775         (find_interesting_uses_op): Functionality of
13776         find_interesting_uses_outer_or_nonlin moved here.
13777         (find_interesting_uses_outside): Use find_interesting_uses_op.
13778
13779 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
13780
13781         PR target/25960
13782         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13783
13784 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
13785             Ulrich Weigand  <uweigand@de.ibm.com>
13786
13787         PR target/25864
13788         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13789         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13790         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13791         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13792         and dxr fields.
13793         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13794         (s390_rtx_costs): Use the new fields to calculate rtx costs.
13795         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13796         Define secondary reloads for TFmode moves.
13797         (constant_modes): Add TFmode.
13798         (NR_C_MODES): Set to 8.
13799         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13800         builtin define.
13801         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13802         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13803         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13804         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13805         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13806         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13807         (FPR mode macro): Add TFmode.
13808         (DSF mode macro): New.
13809         (<de>, <dee> mode attributes): Removed.
13810         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13811         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13812         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13813         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13814         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13815         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13816         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13817         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13818         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13819         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13820         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13821         "*negabs<mode>2", "sqrt<mode>2"):
13822         Changed <de> to <xde>. R constraint replaced by <Rf>.
13823         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13824         <Rf>.
13825         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13826         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13827         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13828         splitters.
13829         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13830         "extenddftf2", "extendsftf2"): New expanders.
13831         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13832         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13833         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13834         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13835         New options.
13836         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13837         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13838         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13839         __floatditf): Add a GCC_4.1.0 symbol version tag.
13840         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13841         the new options.
13842
13843 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
13844
13845         PR target/25377
13846         * config/i386/i386.c (ix86_function_ok_for_sibcall):
13847         Use targetm.binds_local_p instead of TREE_PUBLIC.
13848
13849 2006-02-02  Roger Sayle  <roger@eyesopen.com>
13850
13851         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13852         on INTEGER_TYPEs to indicate that it denotes a character type.
13853         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13854         signed_char_type_node, unsigned_char_type_node and char_type_node.
13855         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13856         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
13857         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13858
13859 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
13860             Daniel Berlin  <dberlin@dberlin.org>
13861
13862         * tree-tailcall.c (arg_needs_copy_p): New function.
13863         (eliminate_tail_call): Use arg_needs_copy_p.
13864         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13865         (add_virtual_phis): New function.
13866
13867 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
13868
13869         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13870         #ignore instead of #scratch for %g7 .register directive.
13871
13872 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
13873
13874         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13875         object files.
13876
13877 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
13878
13879         * flow.c (calculate_global_regs_live): Assert that there aren't any
13880         EDGE_FAKE edges.
13881
13882 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
13883
13884         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13885         what its name says.
13886         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13887         bsi_after_labels iterator.
13888         * tree-if-conv.c (find_phi_replacement_condition,
13889         replace_phi_with_cond_modify_expr): Likewise.
13890         * tree-scalar-evolution.c (scev_const_prop): Likewise.
13891         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13892
13893 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
13894
13895         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13896
13897 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
13898
13899         PR 25990
13900         * tree-cfg.c (move_block_to_fn): Clear out the basic block
13901         array after growing it.
13902
13903 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
13904
13905         PR middle-end/24901
13906         * fold-const.c (fold_checksum_tree): Change type of buf.
13907
13908 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
13909
13910         * reload.c (push_secondary_reload): Initialize t_icode.
13911
13912 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
13913
13914         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13915         -msoft-float -mlong-double-128 only issue a warning, but don't
13916         swich to DFmode long double.
13917
13918 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
13919
13920         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13921         has a constant equivalent, iterate over equivalents for arg0,
13922         calling simplify_relational_operation and if there's a result
13923         cheaper than X, apply fold_rtx and return the result.
13924
13925 2006-02-01  Jan Hubicka  <jh@suse.cz>
13926
13927         * opts.c (no_unit_at_a_time_default): New global variable.
13928         (decode_options): Use it.
13929         * opts.h (no_unit_at_a_time_default): Declare.
13930
13931 2006-02-01  Paul Brook  <paul@codesourcery.com>
13932
13933         * function.c (assign_parm_setup_reg): Use function argument promotion
13934         rules.
13935         * expr.c (expand_expr_real_1): Use function argument promotion rules
13936         for PARM_DECLs.
13937
13938 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
13939
13940         * gcc.c (process_command): Change j to 'unsigned int'.
13941
13942 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13943
13944         PR middle-end/26001
13945         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13946         Use the corrected index for the character
13947         out of the string constant.
13948
13949 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13950
13951         * mode-switching.c (optimize_mode_switching): Fix size
13952         allocated for bb_info[n_entities].
13953
13954 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13955
13956         * gcc.c (main): Correct type that is allocated for
13957         explicit_link_files.
13958
13959 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
13960
13961         * config/s390/s390.c (init_alignment_context): Set
13962         ALIAS_SET_MEMORY_BARRIER on the MEM.
13963         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13964
13965 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
13966
13967         PR middle-end/25933
13968         * loop-unroll.c (unroll_loop_runtime_iterations): Free
13969         dom_bbs pointer.
13970         * tree-ssa-live.c (type_var_init): Allocate bitmap after
13971         call to tpa_init.
13972
13973 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
13974
13975         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13976         * regrename.c: Ditto.
13977         * tree-ssa-loop-im.c: Ditto.
13978         * tree-dump.c: Ditto.
13979         * tree-complex.c: Ditto.
13980         * genrecog.c: Ditto.
13981         * tree-ssa-threadupdate.c: Ditto.
13982         * tracer.c: Ditto.
13983         * java/class.c: Ditto.
13984         * java/jcf-parse.c: Ditto.
13985         * java/resource.c: Ditto.
13986         * java/except.c: Ditto.
13987         * java/jvspec.c: Ditto.
13988         * java/jcf-write.c: Ditto.
13989         * java/jcf-path.c: Ditto.
13990         * java/gjavah.c: Ditto.
13991         * java/zextract.c: Ditto.
13992         * java/jcf-io.c: Ditto.
13993         * java/jcf.h: Ditto.
13994         * java/buffer.c: Ditto.
13995         * java/lang.c: Ditto.
13996         * java/parse-scan.y: Ditto.
13997         * java/lex.c: Ditto.
13998         * java/lex.h: Ditto.
13999         * cfgloopmanip.c: Ditto.
14000         * postreload-gcse.c: Ditto.
14001         * tree-ssa-loop-manip.c: Ditto.
14002         * postreload.c: Ditto.
14003         * tree-ssa-loop-ch.c: Ditto.
14004         * loop.c: Ditto.
14005         * ipa-cp.c: Ditto.
14006         * cppspec.c: Ditto.
14007         * diagnostic.c: Ditto.
14008         * final.c: Ditto.
14009         * genoutput.c: Ditto.
14010         * gcc.c: Ditto.
14011         * cfghooks.c: Ditto.
14012         * cfgloopanal.c: Ditto.
14013         * objc/objc-act.c: Ditto.
14014         * gcov.c: Ditto.
14015         * genextract.c: Ditto.
14016         * genautomata.c: Ditto.
14017         * pretty-print.c: Ditto.
14018         * genemit.c: Ditto.
14019         * cgraphunit.c: Ditto.
14020         * flow.c: Ditto.
14021         * df-scan.c: Ditto.
14022         * haifa-sched.c: Ditto.
14023         * dominance.c: Ditto.
14024         * dbxout.c: Ditto.
14025         * tree-ssa-loop-ivopts.c: Ditto.
14026         * df-core.c: Ditto.
14027         * mode-switching.c: Ditto.
14028         * modulo-sched.c: Ditto.
14029         * graph.c: Ditto.
14030         * ipa-pure-const.c: Ditto.
14031         * cse.c: Ditto.
14032         * fix-header.c: Ditto.
14033         * web.c: Ditto.
14034         * tree-stdarg.c: Ditto.
14035         * ipa-utils.c: Ditto.
14036         * loop-init.c: Ditto.
14037         * ipa-inline.c: Ditto.
14038         * cfganal.c: Ditto.
14039         * global.c: Ditto.
14040         * alloc-pool.c: Ditto.
14041         * dwarf2out.c: Ditto.
14042         * opts.c: Ditto.
14043         * genattrtab.c: Ditto.
14044         * tree-ssa-loop-ivcanon.c: Ditto.
14045         * predict.c: Ditto.
14046         * timevar.c: Ditto.
14047         * lcm.c: Ditto.
14048         * fortran/gfortranspec.c: Ditto.
14049         * regmove.c: Ditto.
14050         * local-alloc.c: Ditto.
14051         * langhooks.c: Ditto.
14052         * function.c: Ditto.
14053         * tree-vectorizer.c: Ditto.
14054         * gcse.c: Ditto.
14055         * ipa-type-escape.c: Ditto.
14056         * alias.c: Ditto.
14057         * tree-if-conv.c: Ditto.
14058         * profile.c: Ditto.
14059         * ipa.c: Ditto.
14060         * tree-data-ref.c: Ditto.
14061         * loop-unroll.c: Ditto.
14062         * treelang/treetree.c: Ditto.
14063         * calls.c: Ditto.
14064         * bt-load.c: Ditto.
14065         * ggc-common.c: Ditto.
14066         * except.c: Ditto.
14067         * coverage.c: Ditto.
14068         * cselib.c: Ditto.
14069         * tree-cfgcleanup.c: Ditto.
14070         * tree-ssa-pre.c: Ditto.
14071         * cfgcleanup.c: Ditto.
14072         * loop-invariant.c: Ditto.
14073         * loop-iv.c: Ditto.
14074         * ipa-prop.c: Ditto.
14075         * print-tree.c: Ditto.
14076         * conflict.c: Ditto.
14077         * ggc-page.c: Ditto.
14078         * sched-deps.c: Ditto.
14079         * regclass.c: Ditto.
14080         * tree-object-size.c: Ditto.
14081         * combine.c: Ditto.
14082         * bb-reorder.c: Ditto.
14083         * resource.c: Ditto.
14084         * var-tracking.c: Ditto.
14085         * cfgloop.c: Ditto.
14086         * df-problems.c: Ditto.
14087         * reg-stack.c: Ditto.
14088         * tlink.c: Ditto.
14089         * gccspec.c: Ditto.
14090         * sched-rgn.c: Ditto.
14091         * tree-ssa-structalias.c: Ditto.
14092         * tree-ssa-reassoc.c: Ditto.
14093         * config/darwin-c.c: Ditto.
14094         * config/darwin.c: Ditto.
14095         * config/arm/arm.c: Ditto.
14096         * cfgrtl.c: Ditto.
14097         * collect2.c: Ditto.
14098         * reload1.c: Ditto.
14099
14100 2006-01-31  Nicolas Pitre  <nico@cam.org>
14101
14102         * arm.md (smaxsi3): Make aware of smax_m1.
14103         (smax_m1): New.
14104
14105 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
14106
14107         * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14108
14109 2006-01-31  Richard Guenther  <rguenther@suse.de>
14110
14111         * doc/invoke.texi (-msselibm): Document.
14112         * target.h (expand_library_builtin): New target hook.
14113         * builtins.c (expand_builtin): Use expand_library_builtin.
14114         (default_expand_library_builtin): New function.
14115         * gcc.c (LINK_GCC_MATH_SPEC): Define.
14116         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14117         (link_gcc_math_spec): Declare.
14118         (static_specs): Add link_gcc_math_spec.
14119         * expr.h (default_expand_library_builtin): Declare.
14120         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14121         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14122         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14123         * config/i386/i386.opt (msselibm): New target option.
14124         * config/i386/i386.c (ix86_builtin_function_variants): New array.
14125         (ix86_init_sse_abi_builtins): New function.
14126         (ix86_expand_library_builtin): Likewise.
14127         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14128         (override_options): Handle error conditions wrt -msselibm.
14129         (ix86_builtins): Add function codes for SSE2 ABI builtins.
14130         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14131         * doc/extend.texi (__builtin_sse2_*): Document new target specific
14132         builtins.
14133
14134 2006-01-31  Richard Guenther  <rguenther@suse.de>
14135         Paolo Bonzini  <bonzini@gnu.org>
14136
14137         * doc/install.texi (--disable-libgcc-math): Document.
14138
14139 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
14140
14141         * expr.h (expand_normal): new inline function.
14142         * builtins.c: use it, use EXPAND_NORMAL explicitely.
14143         * dojump.c: use it.
14144         * dwarf2out.c: use it.
14145         * expr.c: use it.
14146         * calls.c: use it.
14147         * expmed.c: use it.
14148         * except.c: use it.
14149         * config/sparc/sparc.c: use it.
14150         * config/i386/i386.c: use it.
14151         * config/rs6000/rs6000.c: use it.
14152         * config/arm/arm.c: use it.
14153         * config/mips/mips.c: use it.
14154         * stmt.c: use it, use EXPAND_NORMAL explicitely.
14155
14156 2006-01-30  Roger Sayle  <roger@eyesopen.com>
14157
14158         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14159         argv to the appropriate type.
14160
14161 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
14162
14163         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14164         unreachable code.
14165
14166 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
14167
14168         PR target/26018
14169         * config/s390/s390.c (struct machine_function): New flag
14170         decomposed_literal_pool_addresses_ok_p.
14171         (s390_reorg): Set it before final stage of literal pool transforms.
14172         (s390_decompose_address): Only accept displacements of the form
14173         (minus (label_ref ...) (label_ref ...)) if that flag is set.
14174
14175 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
14176
14177         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14178         the comparison routine return.
14179
14180 2006-01-30  Michael Matz  <matz@suse.de>
14181
14182         * global.c (find_reg): Only evict for global regs.
14183         Take n_refs into account and dump more info.
14184
14185 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
14186
14187         PR target/14798:
14188         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14189         (pragma_trap, pragma_nosave_low_regs): Likewise.
14190         (current_function_anonymous_args): Likewise.
14191         (sh_deferred_function_attributes): New variable.
14192         (sh_deferred_function_attributes_tail): Likewise.
14193         (print_operand): For '@', look up trap_exit attribute.
14194         (calc_live_regs): Look up trapa_handler attribute.  For trapa
14195         handlers, save/restore fpscr, but don't do any other
14196         interrupt-specific saves.
14197         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14198         Fix check for partially saved registers to check for SHmedia.
14199         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14200         (sh_output_function_epilogue): Don't clear any of the removed
14201         variables.
14202         (sh_insert_attributes): Don't check pragma_interrupt.
14203         Insert deferred attributes.  Check that interrupt attribute is
14204         present for other attributes that require its presence.
14205         (sh_attribute_table): Add new attributes trapa_handler and
14206         nosave_low_regs.
14207         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14208         Don't check for pragma_interrupt.  Don't store argument.
14209         * sh.h (pragma_interrupt, sp_switch): Don't declare.
14210         (sh_deferred_function_attributes): Declare.
14211         (sh_deferred_function_attributes_tail): Likewise.
14212         * sh.md (sp_switch_1): Add operand.  Change generator caller.
14213         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14214         (*return_i): Don't use when trap_exit attribute is in effect.
14215         (*return_trapa): New insn pattern.
14216         * sh-c.c: New file.
14217         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14218         setting c_target_objs and cxx_target_objs.
14219         * t-sh: Add rule for sh-c.o.
14220
14221 2006-01-30  Richard Guenther  <rguenther@suse.de>
14222
14223         PR c++/23372
14224         * gimplify.c (gimplify_target_expr): Handle easy cases
14225         without creating a temporary.
14226
14227 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
14228
14229         * vec.h (safe_grow): Remove duplicated line.
14230
14231 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
14232
14233         PR 25874
14234         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14235         (expand_omp): ... here.
14236         (expand_omp_parallel): Only remove barriers for combined
14237         parallel+workshare constructs.
14238
14239 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
14240
14241         Revert
14242
14243         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
14244         * tree.c (build_qualified_type): Chain the new type to the original
14245         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14246         a POINTER_TYPE or a REFERENCE_TYPE respectively.
14247         (build_pointer_type_for_mode): Only return unqualified types.
14248         (build_reference_type_for_mode): Likewise.
14249
14250 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
14251
14252         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14253         * Makefile.in (CXX_COMPAT_WARN): Define.
14254         * configure: Regenerate.
14255
14256 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
14257
14258         PR tree-opt/25911
14259         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14260         to an if check.
14261
14262 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14263
14264         * toplev.c: Fix thinko.
14265
14266 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14267             Marcin Dalecki  <martin@dalecki.de>
14268
14269         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14270         (push_srcloc): Use XNEW.
14271         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14272
14273 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
14274
14275         * df-core.c (df_set_blocks): Deleted all variable.
14276
14277 2006-01-28  Ian Lance Taylor  <ian@airs.com>
14278
14279         * cgraphunit.c (cgraph_assemble_pending_functions): Call
14280         cgraph_output_pending_asms.
14281
14282 2006-01-28  Zack Weinberg  <zackw@panix.com>
14283
14284         * c.opt: Add -W(no-)overlength-strings.
14285         * doc/invoke.texi: Document it.
14286         * c-opts.c (c_common_handle_option): -pedantic implies
14287         -Woverlength-strings, if not explicitly disabled already.
14288         (c_common_post_options): -Woverlength-strings defaults to off, and
14289         is always off for C++.
14290         * c-common.c (fix_string_type): Issue warning about strings longer
14291         than is portable only if warn_overlength_strings.  Rearrange code
14292         a little for clarity.
14293         * configure.in: Check for -Wno-overlength-strings as well before
14294         enabling -pedantic in stage 1.
14295         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14296         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14297
14298         * genconditions.c (write_header, write_one_condition)
14299         (write_conditions, write_writer): Consolidate very long strings
14300         that were broken up to fit in C89 portable limit.  Don't use
14301         printf when fputs will do.
14302
14303 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
14304
14305         * combine.c (simplify_comparison <AND>): Check
14306         TRULY_NOOP_TRUNCATION before start using a subreg.
14307
14308         * config/mips/mips.md (*branch_zero<mode>,
14309         *branch_zero<mode>_inverted, *branch_equality<mode>,
14310         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14311         Remove mode check from comparisons.
14312
14313 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
14314
14315         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14316
14317 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
14318
14319         * expmed.c (const_mult_add_overflow_p): Remove.
14320         * expr.h: Remove the prototype for const_mult_add_overflow_p.
14321
14322         * recog.c (validate_replace_rtx_subexp): Remove.
14323         * recog.h: Remove the prototype for
14324         validate_replace_rtx_subexp.
14325
14326         * integrate.h: Remove the prototype for
14327         copy_decl_for_inlining.
14328         * rtl.h: Remove the prototype for mark_constant_function.
14329         * tree-vectorizer.h: Remove the prototype for
14330         vect_strip_conversion.
14331
14332         * modulo-sched.c (create_partial_schedule,
14333         free_partial_schedule, reset_partial_schedule): Make them
14334         static.
14335
14336         * hooks.c (hook_bool_rtx_int_false): Remove.
14337         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14338
14339 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
14340
14341         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14342         and -mlong-double-128 are incompatible.
14343         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14344         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14345         (TARGET_LIBGCC2_CFLAGS): Define.
14346         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14347         (TARGET_LIBGCC2_CFLAGS): Same.
14348         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14349
14350 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
14351
14352         PR c/19606.
14353         * c-typeck.c (build_binary_op): Perform implicit casts of
14354         operands before shortening them.
14355
14356         * cfgloopmanip.c (split_loop_bb): Remove.
14357         * cfgloop.h: Remove the prototype for split_loop_bb.
14358
14359         * cfgloop.c (flow_loop_outside_edge_p): Remove.
14360         * cfgloop.h: Remove the prototype for
14361         flow_loop_outside_edge_p.
14362
14363         * emit-rtl.c (init_virtual_regs): Make it static.
14364         * function.h: Remove the prototype for init_virtual_regs.
14365
14366         * recog.c (peephole2_optimize): Make it static.
14367         * recog.h: Remove the prototype for peephole2_optimize.
14368
14369 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14370
14371         * df-scan.c (df_record_entry_block_defs): Check if
14372         INCOMING_RETURN_ADDR_RTX is defined.
14373
14374 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
14375             Kenneth Zadeck <zadeck@naturalbridge.com>
14376
14377         PR rtl-optimization/24762
14378         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14379         * targhooks.c (hook_void_bitmap): New hook prototype.
14380         * targhoohs.h (hook_void_bitmap): Ditto.
14381         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14382         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14383         * target.h (live_on_entry): New function pointer.
14384         * df-scan.c (df_all_hard_regs): Removed.
14385         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14386         (df_scan_free_internal): Added df->entry_block_defs.
14387         (df_scan_alloc): Ditto.
14388         (df_scan_dump): Ditto.
14389         (df_uses_record): Plumbed flag field properly thru calls.
14390         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14391         This part fixes PR24762.
14392         (df_bb_refs_record): Added code to make the frame and arg
14393         pointers live in EH blocks.
14394         (df_refs_record): Added call to df_record_entry_block_defs.
14395         (df_record_entry_block_defs): New function.
14396         * df-core.c: Added comments to describe new artifical defs.
14397         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14398         (entry_block_defs): New field in struct df.
14399         (df_all_hard_regs): Deleted.
14400         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14401         * df-problems.c (df_ru_bb_local_compute_process_def):
14402         Added code to handle artifical defs in the entry to a function.
14403         (df_ru_bb_local_compute): Ditto.
14404         (df_rd_bb_local_compute_process_def): Ditto.
14405         (df_rd_bb_local_compute): Ditto.
14406         (df_lr_bb_local_compute): Ditto.
14407         (df_ur_bb_local_compute): Ditto.
14408         (df_urec_bb_local_compute): Ditto.
14409         (df_chain_create_bb): Ditto.
14410         (df_ur_local_finalize): Removed entry.
14411         (df_urec_init): Ditto.
14412         (df_urec_local_finalize): Ditto.
14413         (df_ri_bb_compute): Added detection of last use of pseudos.
14414         * Makefile.in (df-scan.o): Updated dependencies.
14415         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14416         * config/mips/mips.c (mips_set_live_on_entry): Added.
14417         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14418         for target hook.
14419         * dce.c (marked_insn_p): Added code to handle artifical defs.
14420
14421 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
14422
14423         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14424         intrinsic.
14425         (_mm_cvtsi128_si64): Likewise.
14426         (_mm_cvtsd_si64): Likewise.
14427         (_mm_cvttsd_si64): Likewise.
14428         (_mm_cvtsi64_sd): Likewise.
14429         (_mm_cvtsi64_si128): Likewise.
14430         * config/i386/mmintrin.h (_m_from_int64): Likewise.
14431         (_mm_cvtsi64_m64): Likewise.
14432         (_m_to_int64): Likewise.
14433         (_mm_cvtm64_si64): Likewise.
14434         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14435         (_mm_cvttss_si64): Likewise.
14436         (_mm_cvtsi64_ss): Likewise.
14437         (_mm_cvtss_f32): Likewise.
14438
14439 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
14440
14441         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14442         for pragma redefine_extname.
14443
14444 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
14445
14446         PR target/25864
14447         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14448         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14449         -mno-minimal-toc to previous content.
14450         (bispecs): Remove goal.
14451         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14452         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14453         compatibility aliases on powerpc-*-*gnu*.
14454         * config/rs6000/libgcc-ppc-glibc.ver: New file.
14455         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14456         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14457         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14458         (ldblspecs): New goal.
14459         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14460         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14461         _df_to_tf.
14462         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14463         L_sf_to_tf or L_df_to_tf is defined.
14464
14465 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
14466             Alan Modra  <amodra@bigpond.net.au>
14467
14468         PR target/25864
14469         * config/rs6000/linux.h (POWERPC_LINUX): Define.
14470         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14471         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14472         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14473         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14474         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14475         (rs6000_override_options): Initialize rs6000_ieeequad.
14476         Initialize TFmode format to ibm_extended_format if not
14477         TARGET_IEEEQUAD.
14478         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14479         ieeelongdouble.
14480         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14481         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14482         (function_arg_advance): IBM long double passed in two FPRs, not
14483         split.
14484         (function_arg): IBM long double passed in FPRs.
14485         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14486         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14487         Only multireg GPR aligned.
14488         (rs6000_init_libfuncs): Enable IBM long double functions if not
14489         IEEEQUAD.
14490         (rs6000_generate_compare): Use IBM long double compare if not
14491         TARGET_IEEEQUAD.
14492         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14493         (TARGET_IEEEQUAD): Define.
14494         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14495         not TARGET_IEEEQUAD.
14496         * config/rs6000/rs6000.md: Enable TFmode patterns if
14497         !TARGET_IEEEQUAD.
14498         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14499         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14500         and -mlong-double-128 are incompatible.
14501         * doc/invoke.texi (-mabi): Collect options together.  Add
14502         ibmlongdouble and ieeelongdouble.
14503
14504 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
14505
14506         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14507         opaque type.
14508         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14509         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14510         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14511         * rtl.h (rtunion_def): Remove rt_ptr.
14512         (X0PTR): Delete.
14513         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14514         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14515         * config/i386/winnt.c (i386_pe_mark_dllexport)
14516         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14517
14518 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14519
14520         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14521
14522 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
14523
14524         PR other/24829
14525         PR target/24831
14526         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14527         pthread_key_delete.  From John David Anglin.  gthrw-ify
14528         pthread_getunique_np only if it it's not a macro.  Delete
14529         UNUSED macro.
14530         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14531         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14532         __gthread_objc_condition_signal, __gthread_key_delete): Add
14533         "__attribute__ ((__unused__))" to unused arguments.
14534         (__gthread_recursive_mutex_init_function): Add missing return.
14535         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14536         gthr-posix95.h: Use macro-based approach for name redirection
14537         on targets missing weakref.
14538
14539 2006-01-26  Zack Weinberg  <zackw@panix.com>
14540
14541         * genconditions.c (write_header): In generated code, #ifdef out
14542         all includes and fake declarations, except includes of bconfig.h
14543         and system.h, unless GCC_VERSION >= 3001.  Do not include
14544         gensupport.h in any case.
14545         (write_conditions): Generate a definition of struct c_test.  Add
14546         a comment to the generated #endif.
14547         (write_one_condition): Escape backslashes in string too.
14548         (write_writer): Generated code must escape backslashes and quote
14549         marks (but not newlines) in the strings it writes.
14550         * Makefile.in (build/gencondmd.o): Update dependencies.
14551
14552 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
14553
14554         PR target/25961
14555         * Makefile.in (insn-automata.o): Add header file dependencies.
14556         * genautomata.c: Add includes.
14557
14558 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
14559
14560         PR target/25961
14561         * Makefile.in (insn-automata.o): Add -Wno-error flag.
14562
14563 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
14564
14565         * configure.ac: Expect target tools paths to be passed from the toplevel
14566         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
14567         AS_SET_VAR_IF.
14568         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14569
14570 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
14571
14572         PR c/25892
14573         * c.opt (Wpointer-sign): Init to -1.
14574         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14575         OPT_pedantic, to 0 otherwise.
14576         * doc/invoke.texi: Update.
14577
14578 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
14579
14580         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14581         constants provided by 80387 instructions in the destination mode.
14582
14583 2006-01-26  Richard Guenther  <rguenther@suse.de>
14584             Andrew Pinski  <pinskia@physics.uc.edu>
14585
14586         PR tree-opt/21470
14587         partial PR tree-opt/17064
14588         * tree-ssa-structalias.c (intra_create_variable_infos):
14589         Create heap variables for incoming parameters if
14590         flag_argument_noalias > 1.
14591         (find_what_p_points_to): Look through default defs of
14592         parameter decls.
14593
14594 2006-01-26  Jeff Law  <law@redhat.com>
14595
14596         PR ada/25900
14597         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14598         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14599         within the VR_RANGE, use the VR_RANGE as the result, not the
14600         VR_ANTI_RANGE.
14601         (adjust_range_with_scev): Reject ranges from SCEV which are out of
14602         bounds for the type.
14603
14604 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
14605
14606         * tree-ssa-alias.c (maybe_create_global_var): Change
14607         subvar walking to an assertion that we don't have subvar'd variables.
14608
14609 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
14610
14611         PR C/25861
14612         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14613         Use a new variable, inner.  PARM_DECLs are always non-weak.
14614
14615 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
14616
14617         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14618         --disable-checking.
14619
14620 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
14621
14622         * config/mips/mips.md (*clear_upper32): New combiner pattern.
14623
14624 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
14625
14626         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14627         (smax_insn, smin_insn, smax_0, smin_0): New.
14628
14629 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
14630
14631         PR target/25947
14632         * config/cris/cris.c (cris_order_for_addsi3): New function.
14633         * config/cris/cris-protos.h: Prototype it.
14634         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14635         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14636         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14637         (split for "op.S1 [rx=rx+i],ry (swapped)")
14638         (split for "op(s|u).S1 [rx=rx+i],ry")
14639         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14640         Apply cris_order_for_addsi3 when generating addsi3 insns.
14641
14642 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
14643
14644         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14645         (TREE_BLOCK): Add call to EXPR_CHECK.
14646
14647 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
14648
14649         PR 25886
14650         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14651         * tree-pretty-print.c (dump_omp_clause): Extract from ...
14652         (dump_omp_clauses): ... here.
14653         (dump_generic_node): Handle OMP_CLAUSE.
14654         * tree.c (omp_clause_num_ops): New.
14655         (omp_clause_code_name): New.
14656         (tree_code_size): Handle OMP_CLAUSE.
14657         (tree_size): Likewise.
14658         (make_node): Document handling of OMP_CLAUSE.
14659         (tree_node_structure): Handle OMP_CLAUSE.
14660         (omp_clause_check_failed): New.
14661         (omp_clause_range_check_failed): New.
14662         (omp_clause_operand_check_failed): New.
14663         (build_omp_clause): New.
14664         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14665         * tree.h (enum omp_clause_code): Declare.
14666         (OMP_CLAUSE_SUBCODE_CHECK): Define.
14667         (OMP_CLAUSE_RANGE_CHECK): Define.
14668         (OMP_CLAUSE_ELT_CHECK): Define.
14669         (omp_clause_check_failed): Declare.
14670         (omp_clause_operand_check_failed): Declare.
14671         (omp_clause_range_check_failed): Declare.
14672         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14673         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14674         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14675         (OMP_CLAUSE_LASTPRIVATE): Likewise.
14676         (OMP_CLAUSE_IF_EXPR): Likewise.
14677         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14678         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14679         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14680         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14681         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14682         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14683         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14684         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14685         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14686         (OMP_CLAUSE_CODE): Define.
14687         (OMP_CLAUSE_SET_CODE): Define.
14688         (OMP_CLAUSE_CODE): Define.
14689         (OMP_CLAUSE_OPERAND): Define.
14690         (struct tree_omp_clause): Declare.
14691         (union tree_node): Add field 'omp_clause'.
14692         * treestruct.def (TS_OMP_CLAUSE): Define.
14693         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14694         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14695         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14696         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14697         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14698         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14699         (OMP_CLAUSE): Define.
14700         * print-tree.c (print_node): Handle OMP_CLAUSE.
14701         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14702         * c-typeck.c: Likewise.
14703         * gimplify.c: Likewise.
14704         * c-omp.c: Likewise.
14705         * tree-nested.c: Likewise.
14706         * tree-inline.c: Likewise.
14707         * c-parser.c: Likewise.
14708         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14709         clauses.
14710
14711 2006-01-25  Roger Sayle  <roger@eyesopen.com>
14712
14713         PR rtl-optimization/25703
14714         * combine.c (try_combine): Handle zero_extract and strict_low_part
14715         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14716
14717 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
14718
14719         * global.c: Fix comment typos.
14720
14721 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
14722
14723         PR target/25758
14724         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14725         Use output_addr_const instead of assemble_name.
14726
14727 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
14728
14729         * Makefile.in (sched-vis.o): Update dependencies.
14730         * haifa-sched.c (sched_finish): Clear current_sched_info.
14731         * cfg.c (dump_bb_info): New, split from dump_flow_info.
14732         (dump_flow_info): Call it.
14733         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14734         a slim RTL dump.
14735         * basic-block.h (dump_bb_info): Declare.
14736         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14737         option, and apply options only for dump files whose TDF_RTL,
14738         TDF_TREE, or TDF_IPA bits match.
14739         * rtl.h: Declare new functions exported from sched-vis.c.
14740         * sched-vis.c: Enable also if scheduling is not used.
14741         (print_value): Print the mode of registers if not inside scheduling.
14742         (print_insn): Make it work outside the scheduler.  Beautify the output
14743         a bit.
14744         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14745
14746 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
14747
14748         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14749         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14750         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14751         depending on the value of CONSTANT_POOL_ADDRESS_P.
14752         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14753         SYMBOL_REF_DECL.
14754         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14755         rather than SYMBOL_REF_DECL.
14756         (rtx_constant_pool): Remove const_rtx_sym_htab.
14757         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14758         (init_varasm_status): Don't initialize const_rtx_sym_htab.
14759         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14760         Remove handling of const_rtx_sym_htab.
14761         (find_pool_constant): Delete.
14762         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14763         rather than find_pool_constant.
14764         (get_pool_constant_for_function): Delete.
14765         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14766         find_pool_constant.
14767         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14768         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14769         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14770         (SYMBOL_REF_CONSTANT): New macro.
14771         (get_pool_constant_for_function): Delete.
14772         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14773         rather than SYMBOL_REF_DECL.
14774         (i386_pe_mark_dllimport): Likewise.
14775         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14776         rather than SYMBOL_REF_DECL.
14777         * config/darwin.c (machopic_indirect_data_reference): Likewise.
14778         (machopic_indirect_call_target): Likewise.
14779
14780 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
14781
14782         * flow.c (delete_noop_moves): Add missing EOL to dump message.
14783
14784 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
14785
14786         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14787
14788 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
14789
14790         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14791
14792 2006-01-24  David Daney  <ddaney@avtrex.com>
14793
14794         PR java/25816
14795         * configure.ac (enable_tls): New enable option.
14796         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14797         * configure: Regenerate.
14798         * doc/install.texi (--enable-tls): Document new option.
14799         (--disable-tls): Ditto.
14800
14801 2006-01-24  Richard Henderson  <rth@redehat.com>
14802
14803         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14804         * alias.c (true_dependence): Respect it.
14805         (canon_true_dependence, write_dependence_p): Likewise.
14806         * builtins.c (get_builtin_sync_mem): Set it.
14807
14808 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
14809
14810         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14811         efficient way.
14812
14813 2006-01-24  DJ Delorie  <dj@redhat.com>
14814
14815         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14816         for storing constants in single-bit bitfields.
14817
14818 2006-01-25  Ben Elliston  <bje@au.ibm.com>
14819
14820         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14821
14822 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
14823
14824         PR tree-opt/25860
14825         * tree-ssa-pre.c (phi_translate): Return NULL
14826         for AGGREGATE_TYPE's.
14827
14828 2006-01-24  Zack Weinberg  <zackw@panix.com>
14829
14830         * genautomata.c (process_state_for_insn_equiv_partition):
14831         Use xcalloc for insn_arcs_array.
14832         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14833         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14834
14835 2006-01-24  Richard Henderson  <rth@redhat.com>
14836
14837         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14838         update all callers.
14839
14840 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
14841
14842         PR rtl-optimization/25890
14843         PR rtl-optimization/25905
14844         * combine.c (expand_compound_operation, expand_field_assignment):
14845         Fail if the bitfield's final position is out of bounds.
14846
14847 2006-01-24  Ian Lance Taylor  <ian@airs.com>
14848
14849         PR middle-end/25930
14850         * cgraphunit.c (cgraph_output_in_order): Don't clear
14851         cgraph_asm_nodes until after asm strings have been output.
14852
14853 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
14854
14855         * fix-header.c (read_scan_file): Add new parameter imultilib when
14856         calling register_include_chains.
14857
14858 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
14859
14860         * omp-low.c: Update documentation.
14861
14862 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
14863             Daniel Berlin  <dberlin@dberlin.org>
14864
14865         PR tree-opt/25315
14866         PR tree-opt/25857
14867         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14868         return from the function.
14869
14870 2006-01-22  Zack Weinberg  <zackw@panix.com>
14871
14872         * rtl.def (match_code): Add second argument.
14873         * genpreds.c (write_extract_subexp): New function.
14874         (write_match_code): Add path argument.  Use write_extract_subexp.
14875         (write_predicate_expr): Pass path to write_match_code.
14876         (mark_mode_tests): MATCH_CODE applied to a subexpression does
14877         not perform a mode test.
14878         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14879         a subexpression does not constrain the top-level code set.
14880         * read-rtl.c (read_rtx_variadic): New function.
14881         (read_rtx_1): Use it; allow AND and IOR to be variadic.
14882         * doc/md.texi: Document new notation.
14883         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14884         (cmpsi_operand): ... here, using new notation.
14885
14886 2006-01-22  Zack Weinberg  <zackw@panix.com>
14887
14888         * varray.c: Remove GENERATOR_FILE #ifdefs.
14889
14890 2006-01-22  Zack Weinberg  <zackw@panix.com>
14891
14892         * genautomata.c (output_reserved_units_table): Emit nothing if
14893         description->query_units_num is zero.  Remove extra blank line.
14894         (output_cpu_unit_reservation_p): Short circuit
14895         if description->query_units_num is zero.
14896
14897 2006-01-22  Zack Weinberg  <zackw@panix.com>
14898
14899         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
14900         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
14901         nor any of the random handful of variables that used to be necessary
14902         when this program was linked with rtlanal.o.  Prune set of forward
14903         function declarations.
14904         (struct attr_desc): Remove static_p field.
14905         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14906         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14907         (attr_string): Do not read the character one past the length of
14908         the string.
14909         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14910         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14911         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14912         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14913         (make_automaton_attrs): New.
14914         (main): Do not call into genautomata.  Call local gen_bypass
14915         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
14916         Remove special case for insn_alts.
14917         * genautomata.c: Include gensupport.h; not genattrtab.h nor
14918         varray.h (leftover from previous change).  Prune set of forward
14919         function declarations.  Remove state_alts fields from all
14920         structures.  Remove state_alts_table from struct automaton.
14921         Make everything except main static.  Do not maintain num_dfa_decls.
14922         Do not maintain state_alts fields of various structures.
14923         (process_decls): Don't validate condexp for dm_insn_reserv decls.
14924         (add_arc): Remove state_alts argument.  All callers updated.
14925         (output_reserved_units_table): Emit #ifdef here...
14926         (output_tables): ...not here.  Don't generate state_alts tables.
14927         (expand_automata): Don't generate attributes.
14928         (write_automata): Don't generate state_alts functions.
14929         (main): New function.
14930         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14931         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14932         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14933         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14934         (BYPASS_P_FUNC_NAME, output_state_alts_table)
14935         (output_automata_list_state_alts_code, output_internal_state_alts_func)
14936         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14937         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14938         Delete.
14939         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14940         * genattrtab.h: Delete file.
14941         * Makefile.in (OBJS-common): Add insn-automata.o.
14942         (insn-automata.o): New rule.
14943         (simple_generated_c): Add insn-automata.c.
14944         (build/genattrtab.o, build/genautomata.o): Update dependencies.
14945         (genprogmd): Add automata.
14946         (build/genattrtab): Needs no extra objects nor libraries.
14947         (build/genautomata): Needs build/vec.o and -lm.
14948
14949 2006-01-22  Zack Weinberg  <zackw@panix.com>
14950
14951         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14952         (output_dfa_max_issue_rate, locked_states_num): Delete.
14953         (struct automaton): Add locked_states field.
14954         (output_dead_lock_vect): Save number of locked states in
14955         automaton->locked_states.  If it is zero, don't print anything.
14956         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14957         (output_internal_dead_lock_func): Only test the dead_lock_vect
14958         for automata that have locked states.
14959         (output_statistics): Always print the number of locked states for
14960         each automaton.  Calculate total number of locked states here.
14961         (write_automata): Don't call output_dfa_max_issue_rate.
14962         * genattrtab.c: Define length_unit_log as a const variable.
14963         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
14964         max_insn_queue_index const.
14965         * final.c (length_unit_log): Declare const.
14966         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14967
14968 2006-01-22  Zack Weinberg  <zackw@panix.com>
14969
14970         * genautomata.c: Include vec.h, not varray.h.
14971         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14972         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
14973         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
14974         VEC_* macros operating on appropriately typed vectors, or to
14975         malloced arrays when the size is known in advance.  Const-ify
14976         many char* variables and function arguments.  No functional changes.
14977         * Makefile.in (build/varray.o): Delete rule.
14978         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14979         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14980
14981 2006-01-22  Zack Weinberg  <zackw@panix.com>
14982
14983         * gensupport.c: Define get_insn_name and record_insn_name here.
14984         (read_md_rtx): Call record_insn_name as appropriate.
14985         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14986         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14987         * genpreds.c, genrecog.c: Don't define get_insn_name nor
14988         record_insn_name.
14989         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14990         (BUILD_VARRAY): Delete.
14991         (genprognormal): Rename genprogmd.  Fold in all programs from
14992         genprognoprint; also attrtab.
14993         (build/genattrtab): Just mention genautomata.o and varray.o.
14994         Reorganize a bit, add comments to make the categories clearer.
14995
14996 2006-01-22  Zack Weinberg  <zackw@panix.com>
14997
14998         * genconditions.c (condition_table, add_condition): Delete.
14999         (write_conditions): Don't emit n_insn_conditions nor
15000         insn_elision_unavailable.  Issue the gcc version #ifdef here,
15001         inside the table, with no #else clause ...
15002         (write_header): ...not here.
15003         (write_writer): New function.
15004         (main): Don't initialize condition_table.  Use add_c_test.
15005         Call write_writer.
15006         * gensupport.c (init_md_reader_args_cb): Handle multiple input
15007         files on the command line.
15008         (maybe_eval_c_test): Don't check insn_elision_unavailable.
15009         Return -1 if there is no entry in the table, don't abort.
15010         (add_c_test, traverse_c_tests): New functions.
15011         * gensupport.h (insn_elision_unavailable, insn_conditions)
15012         (n_insn_conditions): Delete declarations.
15013         (add_c_test, traverse_c_tests): Declare.
15014         * read-rtl.c: Include gensupport.h.
15015         (read_conditions): New function.
15016         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15017         (read_rtx_1): If we get EOF when we were looking for an initial
15018         open paren, return 0.  Call read_conditions when appropriate.
15019         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15020         dummy-conditions.o.  Eliminate references to insn-conditions.o,
15021         or change them to build/gencondmd.o, as appropriate.  Remove
15022         insn-constants.h from $(simple_generated_h) and insn-conditions.c
15023         from $(simple_generated_c).  For all files remaining in those
15024         two lists, add insn-conditions.md to the generator command line.
15025         Give insn-constants.h/s-constants their own rules.  Add rules
15026         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15027         (build/read-rtl.o): Depend on gensupport.h.
15028         (genprognormal): Include preds.
15029         (genprogearly): Rename genprognoprint; only difference is now that
15030         they don't link with $(BUILD_PRINT).
15031         * dummy-conditions.c: Delete.
15032
15033 2006-01-22  Zack Weinberg  <zackw@panix.com>
15034
15035         * genextract.c: Don't include insn-config.h.  Do include vec.h.
15036         Declare vectors of int, char, and locstr.
15037         (locstr): New typedef.
15038         (struct extraction): Make all array fields into bare pointers.
15039         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15040         (insn_code_number): Delete.
15041         (accum_extract): New struct.
15042         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15043         (gen_insn): Take insn_code_number as an argument.  Use an
15044         accum_extract structure instead of loading data directly into
15045         a struct extraction, and having to know how big it might get.
15046         (walk_rtx): Operate entirely on an accum_extract structure.
15047         (print_path): Avoid unnecessary use of printf.
15048         (print_header): New function, split out of main.  Distinguish
15049         more carefully between an unrecognizable insn and an insn that
15050         has the code number of a define_expand.
15051         (main): Pass insn_code_number to gen_insn.  Call print_header
15052         only after parsing.  Avoid unnecessary use of printf.
15053         * Makefile.in (build/vec.o): New rule.
15054         (build/genextract): Depend on build/vec.o.
15055         (build/genextract.o): Don't depend on insn-config.h.
15056
15057 2006-01-22  Zack Weinberg  <zackw@panix.com>
15058
15059         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15060         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
15061         practical.  Eliminate per-generator-program link rules.
15062
15063 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
15064
15065         PR middle-end/24437
15066         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15067         with a call expr to ...
15068         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15069
15070 2006-01-23  Richard Guenther  <rguenther@suse.de>
15071
15072         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15073         before make_edge with conditional EDGE_TRUE_VALUE.
15074
15075 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
15076         Jan Hubicka  <jh@suse.cz>
15077         Richard Guenther  <rguenther@suse.de>
15078
15079         PR rtl-optimization/25654
15080         * cfgexpand.c (aggregate_contains_union_type): New function.
15081         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
15082         for structure variables that contain a union type.
15083
15084 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
15085
15086         * gengtype.c (new_structure): Return the structure.
15087         (create_option): Add an extra "next" argument.
15088         (create_field): New function.
15089         (adjust_field_rtx_def): Use create_option and create_field.
15090         Remove a now-unnecessary call to find_structure.
15091         (adjust_field_tree_def): Likewise.
15092         (note_yacc_type): Remove an unnecessary call to find_structure.
15093         * gengtype.h (new_structure): Return the structure.
15094         (create_option): Add an extra argument.
15095         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15096         (option): Adjust calls to create_option.
15097
15098 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
15099
15100         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15101
15102 2006-01-22  Paul Brook  <paul@codesourcery.com>
15103         Peter Barada  <peter@the-baradas.com>
15104
15105         * config/m68k/m68k.md: Add Coldfire FPU support.
15106         Define FP mode macro and associated attributes.
15107         Use it for float mode patterns.
15108         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15109         (LIBCALL_VALUE): Use m68k_libcall_value.
15110         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15111         (m68k_function_value): Ditto.
15112         (emit_move_sequence): Ditto.
15113         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15114         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15115         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15116         (MULTILIB_EXCEPTIONS): Ditto.
15117         * config/m68k/m68k.opt: Add mcfv4e.
15118         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15119         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15120         (m68k_output_function_prologue): Save ColdFire FPU registers.
15121         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15122         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15123         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15124         ColdFire FPU registers.
15125         (m68k_libcall_value, m68k_function_value): New functions.
15126         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15127         (LIBCALL_VALUE): Use m68k_libcall_value.
15128         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15129         (MASK_COLDFIRE): Add MASK_CFV4E.
15130         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15131         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15132         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15133         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15134         (GO_IF_LEGITIMATE_ADDRESS): Use it.
15135         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15136         * doc/invoke.tex: Document -mcfv4e on m68k.
15137
15138 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
15139
15140         * doc/contribute.texi: Change CVS to SVN and update the corresponding
15141         URL.
15142
15143 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15144
15145         PR c++/16190
15146         * c-opts.c (c_common_handle_option): Don't include
15147         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15148         * doc/invoke.texi (C++ Dialect Options): Document that
15149         -Wnon-virtual-dtor is no longer included in -Wall.
15150
15151 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
15152
15153         * gcov.c (print_version), gcov-dump.c (print_version),
15154         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15155         dates.
15156
15157 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
15158
15159         * df-scan.c (problem_SCAN): Added NULL reset function.
15160         (df_scan_reset_blocks): Added code to call reset block function
15161         (df_bb_refs_delete) Fixed comment.
15162         (df_insn_refs_delete): Made tolerant of deleting non existent info
15163         for dataflow problems that need to be reset.
15164         * df-core.c (df_set_blocks): Ditto.
15165         * df.h (struct df_problem): Added reset_fun.
15166         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15167         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15168         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15169         functions to clear out all references to def-use or use-def chains.
15170
15171 2006-01-21  Ben Elliston  <bje@au.ibm.com>
15172
15173         * varasm.c (assemble_real): Initialise data array.
15174
15175 2006-01-20  Paul Brook  <paul@codesourcery.com>
15176
15177         Merge from csl-arm-branch.
15178         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
15179         * config/arm/arm.md (movdi): Force operands[1] to a register
15180         if we have a non-register source.
15181         (*arm_movdi, *movdf_soft_insn): Require that one of the
15182         operands be a register.
15183         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15184         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15185
15186 2006-01-20  DJ Delorie  <dj@redhat.com>
15187
15188         * varasm.c (initializer_constant_valid_p): Allow pointers
15189         initialized from integer constants of lesser precision.
15190         (output_constant): Allow non-int-sized pointer modes to be
15191         initialized from integer constants.
15192
15193 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
15194
15195         PR libstdc++/25524
15196         * cppdefault.h (struct default_include): Add multilib flag.
15197         * cppdefault.c (cpp_include_defaults): Set it.
15198         * c.opt (-imultilib): New option.
15199         * c-opts.c (imultilib): New.
15200         (c_common_handle_option): Handle -imultilib.
15201         (c_common_post_options): Likewise.
15202         * c-incpath.c (add_standard_paths, register_include_chains):
15203         Likewise.
15204         * c-incpath.h (register_include_chains): Add extra parameter.
15205         * gcc.c (do_spec_1): Generate -imultilib option.
15206         (The Specs Language): Update %I description.
15207         (process_command): Update copyright notice.
15208         * doc/cppopts.texi (-imultilib): Document.
15209         * doc/invoke.texi (-imultilib): Include in option summary.
15210         (%I): Update specs documentation.
15211
15212 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
15213
15214         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15215
15216 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
15217
15218         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15219         label numbers.
15220
15221 2006-01-20  Richard Guenther  <rguenther@suse.de>
15222         Steven Bosscher <stevenb.gcc@gmail.com>
15223
15224         PR rtl-optimization/24626
15225         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15226         EDGE_TRUE_VALUE if in RTL mode.
15227
15228         Revert
15229         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15230         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15231
15232 2006-01-20  Dirk Mueller  <dmueller@suse.com>
15233
15234         PR c++/5520
15235         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15236         instead of a special NOP marker.
15237         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15238         NOP marker handling.
15239         * c-common.h (empty_body_warning): Add forward declaration.
15240         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15241         Now uses IS_EMPTY_STMT() instead of special NOP markers.
15242
15243 2006-01-20  Paul Brook  <paul@codesourcery.com>
15244
15245         * Makefile.in (lang_checks): Keep going if mkdir fails.
15246
15247 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
15248
15249         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15250         be able to clean out basic block when not necessary.
15251         (df_scan_free): Fixed to properly delete information if df is
15252         unused before calling df_finish.
15253         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15254         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15255         or comment typos.
15256         (df_bb_refs_delete): New function.
15257         (df_refs_delete): Moved per block code to df_bb_refs_delete.
15258         * df-core.c (df_set_blocks): Added code to properly clean out
15259         unused blocks if they are not part of the blocks to consider.
15260         Added additional null check.
15261         (df_compact_blocks): Added basic block parameter to free_bb_fun to
15262         be able to clean out basic block when not necessary
15263         * df.h (df_free_bb_function): Ditto.
15264         (df_bb_refs_delete): New function.
15265         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15266         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15267         basic block parameter to be able to clean out basic block when not
15268         necessary.
15269         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15270         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15271         Fixed to properly delete information if df is unused before
15272         calling df_finish.
15273
15274 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
15275
15276         PR rtl-optimization/25799
15277         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15278         Corrected confluence operator to remove bits from op2 before oring
15279         with op1 rather than removing bits from op1.
15280         (df_ru_transfer_function): Corrected test on wrong bitmap which
15281         caused infinite loop.  Both of these problems were introduced in
15282         the dataflow rewrite.
15283
15284 2006-01-19  DJ Delorie  <dj@redhat.com>
15285
15286         * reload1.c (find_reload_regs): Note the details of reload
15287         failures in the dump file.
15288         (spill_failure): Likewise.
15289
15290 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
15291
15292         * loop-iv.c: Include df.h and hashtab.h.
15293         (enum iv_grd_result): New enum.
15294         (DF_REF_IV, DF_REF_IV_SET): New macros.
15295         (struct biv_entry): New.
15296         (df, bivs): New global variables.
15297         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15298         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15299         Removed.
15300         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15301         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15302         analyzed_for_bivness_p, record_biv): New functions.
15303         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15304         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15305         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15306         UD chains.
15307         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15308         analysed.
15309         (iv_number_of_iterations): Use new interface to iv analysis.
15310         * loop-unroll.c: Do not include varray.h.
15311         (analyze_iv_to_split_insn): Use new interface to iv
15312         analysis.
15313         * loop-unswitch.c (may_unswitch_on): Ditto.
15314         * df.c (df_bitmaps_free): Only work for bbs for that structures are
15315         allocated.
15316         (df_bb_modify): Realloc tables to the new index.
15317         (df_find_use): New function.
15318         * df.h (df_find_use): Declare.
15319         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15320         outmode.
15321         * cfgloop.h (struct rtx_iv): Remove analysed field.
15322         (iv_get_reaching_def): Removed.
15323         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15324         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15325         (loop-iv.o): Add df.h and hashtab.h dependency.
15326         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15327
15328 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
15329
15330         PR target/25668
15331         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15332         Double TFmode.
15333         (__floatundisf, __floatundidf): Likewise.
15334         * libgcc2.h (IS_IBM_EXTENDED): Define.
15335
15336 2006-01-19  DJ Delorie  <dj@redhat.com>
15337
15338         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15339
15340 2006-01-19  Paul Brook  <paul@codesourcery.com>
15341
15342         * config/arm/arm.c (arm_compute_func_type): Treat all functions
15343         as nothrow when unwinding tables are disabled.
15344
15345 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15346
15347         PR testsuite/25171
15348         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15349         of bit-field" when in system header.
15350
15351 2006-01-19  DJ Delorie  <dj@redhat.com>
15352
15353         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15354         the 16 bit shift limit of the m16c.
15355
15356 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
15357
15358         PR target/22099
15359         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15360         * config/i386/i386.c (output_set_got): Output the label if we have one
15361         for the TARGET_DEEP_BRANCH_PREDICTION case.
15362
15363 2006-01-19  Jan Hubicka  <jh@suse.cz>
15364             H.J. Lu  <hongjiu.lu@intel.com>
15365             Evandro Menezes <evandro.menezes@amd.com>
15366
15367         * invoke.texi (generic): Document
15368         (i686) Update.
15369         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15370         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15371         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15372         (x86_use_incdec, x86_pad_returns): New variables
15373         (TARGET_CPU_DEFAULT_generic): New constant
15374         (TARGET_CPU_DEFAULT_NAMES): Add generic.
15375         (enum processor_type): Add generic32 and generic64.
15376         * i386.md (cpu attribute): Add generic32/generic64
15377         (movhi splitter): Behave sanely when both partial_reg_dependency and
15378         partial_reg_stall are set.
15379         (K8 splitters): Enable for generic as well.
15380         * predicates.md (incdec_operand): Use TARGET_INCDEC
15381         (aligned_operand): Avoid memory mismatch stalls.
15382         * athlon.md: Enable for generic64, new patterns for 128bit moves.
15383         * ppro.md: Enable for generic32
15384         * i386.c (generic64_cost, generic32_cost): New.
15385         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15386         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
15387         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
15388         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15389         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15390         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15391         x86_partial_reg_dependency, x86_memory_mismatch_stall,
15392         x86_accumulate_outgoing_args, x86_prologue_using_move,
15393         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15394         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15395         Enable for generic.
15396         (x86_use_incdec, x86_pad_returns): New.
15397         (override_options): Add generic32 and generic64, translate "generic"
15398         to generic32/generic64 and "i686" to "generic32", refuse
15399         "generic32"/"generic64" as arch target.
15400         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15401         (ix86_reorg): Honor PAD_RETURNS.
15402
15403 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
15404
15405         * tree-pretty-print.c (dump_generic_node): Handle
15406         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15407         * cgraph.c (cgraph_expand_queue): Rename from
15408         cgraph_analyze_queue.  Update all users.
15409         * cgraphunit.c (cgraph_assemble_pending_functions): Process
15410         cgraph_expand_queue.
15411         (cgraph_expand_all_functions): Likewise.
15412         (cgraph_finalize_pending_functions): Remove.  Update callers.
15413
15414         * tree.h (OMP_DIRECTIVE_P): Define.
15415         (OMP_PARALLEL_FN): Define.
15416         (OMP_PARALLEL_DATA_ARG): Define.
15417         (OMP_SECTIONS_SECTIONS): Define.
15418         * tree-pass.h (pass_expand_omp): Declare.
15419         * omp-low.c (struct omp_region): Declare.
15420         (struct omp_context): Remove fields 'parallel_type',
15421         'parallel_start_ix' and 'parallel_start_additional_args'.
15422         Update all users.
15423         (struct omp_for_data): Rename from struct expand_omp_for_data.
15424         (omp_regions): New static variable.
15425         (root_omp_region): New static variable.
15426         (find_omp_clause): Make static.
15427         (is_in_combined_parallel_ctx): Remove.
15428         (is_combined_parallel): New.
15429         (extract_omp_for_data): Move earlier in the file.
15430         (workshare_safe_to_combine_p): New.
15431         (get_ws_args_for): New.
15432         (determine_parallel_type): Move earlier in the file.
15433         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15434         child function.
15435         (omp_copy_decl): Likewise.
15436         (create_omp_child_function): Likewise.
15437         (lookup_omp_region): New.
15438         (dump_omp_region): New.
15439         (debug_omp_region): New.
15440         (debug_all_omp_regions): New.
15441         (new_omp_region): New.
15442         (scan_omp_parallel): If parallel_nesting_level > 1, the
15443         directive is nested within another parallel directive.
15444         Set OMP_PARALLEL_FN.
15445         (scan_omp_for): Do not try to handle combined parallel+for
15446         cases.
15447         Remove FIXME comment.
15448         (scan_omp_nested): Remove.
15449         (scan_omp_1): Do not call scan_omp_nested when
15450         parallel_nesting_level is > 1.
15451         Do not change the DECL_CONTEXT of local variables found.
15452         (lookup_decl_in_outer_ctx): New.
15453         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15454         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15455         (lower_reduction_clauses): Rename from expand_reduction_clauses.
15456         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15457         If CTX is nested, lookup VAR in the outer context when
15458         building copy assignment.
15459         (lower_send_clauses): Rename from expand_send_clauses.
15460         If CTX is nested, lookup VAR in the outer context when
15461         building copy assignments.
15462         (lower_send_shared_vars): Rename from expand_send_shared_vars.
15463         If CTX is nested, lookup VAR in the outer context when
15464         building copy assignments.
15465         (expand_parallel_call): Rename from build_parallel_call.
15466         Handle combined parallel+workshare cases.
15467         Re-implement to emit code into the CFG.
15468         (list2chain): New.
15469         (expand_omp_parallel): Re-implement to emit code into the CFG.
15470         Call move_sese_region_to_fn to outline the sub-graph
15471         containing the parallel region.
15472         (expand_omp_for_1): Remove.
15473         (expand_omp_for_generic): Re-implement to emit code into the
15474         CFG.
15475         (expand_omp_for_static_nochunk): Likewise.
15476         (expand_omp_for_static_chunk): Likewise.
15477         (expand_omp_for): Likewise.
15478         (expand_omp_sections): Likewise.
15479         (remove_exit_barriers): New.
15480         (expand_omp_synch): New.
15481         (expand_omp): New.
15482         (build_omp_regions_1): New.
15483         (build_omp_regions): New.
15484         (execute_expand_omp): New.
15485         (gate_expand_omp): New.
15486         (pass_expand_omp): Define.
15487         (lower_omp_sections): Rename from expand_omp_sections.
15488         Set OMP_SECTIONS_SECTIONS.
15489         (lower_omp_single_simple): Rename from expand_omp_single_simple.
15490         (lower_omp_single_copy): Rename from expand_omp_single_copy.
15491         (lower_omp_single): Rename from expand_omp_simple.
15492         (lower_omp_master): Rename from expand_omp_master.
15493         (lower_omp_ordered): Rename from expand_omp_ordered.
15494         (lower_omp_critical): Rename from expand_omp_critical.
15495         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15496         (lower_omp_for): Re-implement.
15497         (lower_omp_parallel): Re-implement.
15498         (lower_regimplify): Rename from expand_regimplify.
15499         (lower_omp_1): Rename from expand_omp_1.
15500         If there are syntax errors in the program, replace every
15501         OpenMP directive with NOP.
15502         Call lower_omp_* instead of expand_omp_*.
15503         (lower_omp): Rename from expand_omp.
15504
15505         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15506         * tree-gimple.h (enum omp_parallel_type): Remove.
15507         (gimple_boolify): Declare extern.
15508         (find_omp_clause, determine_parallel_type): Remove.
15509
15510         * gimple-low.c (lower_omp_directive): New.
15511         (lower_stmt): Call it.
15512         (record_vars_into): Move from ...
15513         (record_vars): ... here.
15514         Call record_vars_into with current_function_decl.
15515
15516         * gimplify.c (struct gimplify_ctx): Remove fields
15517         combined_pre_p and combined_ctxp.  Update users.
15518         (get_formal_tmp_var): Add documentation.
15519         (gimple_boolify): Make extern.
15520         (gimplify_expr_in_ctx): Remove.  Update callers.
15521         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15522         will always be a BIND_EXPR.
15523         (gimplify_expr): Handle OMP_RETURN_EXPR.
15524         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15525         (OMP_PARALLEL): Add 3 operands.
15526         (OMP_SECTIONS): Add 1 operand.
15527         (OMP_RETURN_EXPR): Define.
15528
15529         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15530         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15531         * tree-iterator.c (alloc_stmt_list): Assert that we are not
15532         creating a circular free list.
15533         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15534
15535         * tree-flow.h (move_sese_region_to_fn): Declare.
15536         (record_vars_into): Declare.
15537         * tree-cfg.c (make_omp_sections_edges): New.
15538         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15539         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15540         OMP_SECTIONS and OMP_SECTION.
15541         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15542         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15543         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15544         (gather_blocks_in_sese_region): New.
15545         (struct move_stmt_d): Declare.
15546         (move_stmt_r): New.
15547         (move_block_to_fn): New.
15548         (move_sese_region_to_fn): New.
15549
15550         * passes.c (init_optimization_passes): Schedule
15551         pass_expand_omp after pass_init_datastructures.
15552
15553         * tree-ssa-operands.c (get_expr_operands): Handle
15554         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15555         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15556
15557 2006-01-19  Jeff Law  <law@redhat.com>
15558
15559         * tree-vrp.c (extract_range_from_assert): Refine the result range
15560         if the variable referenced by the ASSERT_EXPR has a range and
15561         either the tentative result range or the previous range is a
15562         VR_ANTI_RANGE.
15563
15564 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
15565
15566         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15567
15568 2006-01-19  Jan Hubicka  <jh@suse.cz>
15569
15570         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15571
15572 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
15573
15574         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15575         (expand_compound_operation, expand_field_assignment): Fail if the
15576         bit lengths of an extract operation are out of range.
15577         (make_extraction): Compute wanted_inner_mode based on the position
15578         and length of the extraction.  Make it extraction_mode for non-constant
15579         positions, and do not modify offset in that case.  When generating a
15580         new MEM, use a mode that can hold the extraction while keeping correct
15581         alignment.  Remove code that supported MEMs wrapped by USEs.
15582         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15583
15584 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
15585
15586         * config/s390/s390.md ("Y", "y"): New mode attribute.
15587         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15588         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15589         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15590         "*addsi3_imm_cc", "*addsi3_carry1_cc",
15591         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15592         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15593         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15594         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15595         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15596         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15597         "addsi3", "subsi3"): Insn patterns removed.
15598         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15599         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15600         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15601         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15602         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15603         "*sub<mode>3_cconly2"): New insn patterns.
15604         ("addsi3", "subsi3"): New expanders.
15605
15606 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
15607
15608         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15609         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15610         existing STMT_VINFO_VECTYPE if available.
15611         (vect_mark_relevant): Add special handling for stmts that are
15612         marked as STMT_VINFO_IN_PATTERN_P.
15613         (vect_analyze_loop): Call vect_pattern_recog.
15614         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15615         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15616         stmt_info.
15617         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15618         (vect_recog_func_ptr): New function-pointer type.
15619         * tree-vect-patterns.c: New file.
15620         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15621         (vect_recog_dot_prod_pattern, vect_pattern_recog):
15622         (vect_pattern_recog_1): New functions.
15623         (vect_pattern_recog_funcs): New array of function pointers.
15624
15625         * tree-vectorizer.h (ternary_op): New enum value.
15626         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15627         declaration. Revised documentation. Removed redundant dump prints.
15628         Removed redundant argument. Added support for reduction patterns.
15629         (vectorizable_reduction): Added support for reduction patterns.
15630         (vect_transform_stmt): Added support for patterns.
15631
15632         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15633         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15634         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15635         (expand_widen_pattern_expr): New function.
15636         (init_optabs): Initialize new optabs udot_prod_optab,
15637         sdot_prod_optab.
15638         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15639         (sdot_prod_optab, udot_prod_optab): Define new optabs.
15640         (expand_widen_pattern_expr): New function declaration.
15641         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15642         tree-codes.
15643         * tree-inline.c (estimate_num_insns_1): Added cases for new
15644         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15645         * tree-pretty-print.c (dump_generic_node): Likewise.
15646         (op_prio): Likewise.
15647         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15648         * tree-ssa-operands.c (get_expr_operands): Added case for
15649         DOT_PROD_EXPR.
15650         * tree-vect-patterns.c (widened_name_p): New function.
15651         (vect_recog_dot_prod_pattern): Added function implementation.
15652         * tree-vect-transform.c (get_initial_def_for_reduction): Added
15653         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15654         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15655         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15656
15657         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15658         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15659         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15660         (init_optabs): Initialize new optabs widen_ssum_optab,
15661         widen_usum_optab.
15662         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15663         (widen_ssum_optab, widen_usum_optab): Define new optabs.
15664         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15665         use instead of type of def.
15666         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15667         function implementation.
15668         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15669         widen_ssumv8hi): New.
15670
15671         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15672         patterns.
15673
15674 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
15675
15676         PR c/25805
15677         * c-decl.c (add_flexible_array_elts_to_size): New function.
15678         (finish_decl): Use it.
15679
15680 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
15681
15682         * diagnostic.h: Include options.h.
15683         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15684         dependancies for diagnostic.h.
15685         * Makefile.in (DIAGNOSTIC_H): Add options.h.
15686
15687 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
15688
15689         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15690         (ssa_ro_call_cache_valid): Ditto.
15691         * tree-ssa-alias.c (sort_tags_by_id): New function.
15692         (init_transitive_clobber_worklist): Ditto.
15693         (add_to_worklist): Ditto.
15694         (mark_aliases_call_clobbered): Ditto.
15695         (compute_tag_properties): Ditto.
15696         (set_initial_properties): Ditto.
15697         (compute_call_clobbered): Ditto.
15698         (compute_may_aliases):  Call compute_call_clobbered and grouping.
15699         (compute_flow_sensitive_aliasing): Remove clobbering related code.
15700         (compute_flow_insensitive_aliasing): Grouping now happens in our
15701         caller.
15702         (setup_pointers_and_addressables): Remove clobbering related code.
15703         (add_may_alias): Ditto.
15704         (replace_may_alias): Ditto.
15705         (get_nmt_for): Ditto.
15706         (create_global_var):
15707         (is_escape_site): Return an escape_type enumeration.
15708         * tree-flow-inline.h (is_call_clobbered): Global var does not
15709         imply call clobbered.
15710         (mark_call_clobbered): Take a reason for marking this. Remove
15711         marking of globalness, and cache invalidation.
15712         (clear_call_clobbered): Remove cache invalidation code.
15713         * tree-dfa.c (dump_variable): If details is on, dump the reason
15714         for escaping.
15715         * tree-outof-ssa.c (create_temp): Copy escape mask from original
15716         variable.
15717         * tree-flow.h (struct ptr_info_def): Add escape mask member.
15718         (struct var_ann_d): Ditto.
15719         (enum escape_type): New.
15720         (mark_call_clobbered): Adjust prototype.
15721         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15722         are never call clobbered.
15723         Record reasons for escaping.
15724         * tree-ssa-structalias.h (is_escape_site): Update prototype.
15725         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15726         (ssa_ro_call_cache_valid): Ditto.
15727         (clobbered_v_may_defs): Ditto.
15728         (clobbered_vuses): Ditto.
15729         (ro_call_vuses): Ditto.
15730         (clobber_stats): New.
15731         (init_ssa_operands): Zero out clobber stats.
15732         (fini_ssa_operands): Print out clobber stats.
15733         (get_call_expr_operands): Pass callee fndecl to
15734         add_call_read_ops).
15735         (add_call_clobber_ops): Remove use of cache.
15736         Add use of PURE_CONST information.
15737         (add_call_read_ops): Remove use of cache.
15738         Add use of static not_read information.
15739
15740 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
15741
15742         Introduce TLS descriptors for i386 and x86_64.
15743         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15744         (TARGET_ANY_GNU_TLS): New macro.
15745         (enum tls_dialect): Added TLS_DIALECT_GNU2.
15746         (struct machine_function): Add tls_descriptor_call_expanded_p.
15747         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15748         (ix86_current_function_calls_tls_descriptor): Likewise.
15749         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15750         (override_options): Introduce gnu2 tls dialect.
15751         (ix86_frame_pointer_required): Functions containing TLSCALLs are
15752         not leaves.
15753         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15754         Likewise.
15755         (legitimize_tls_address): Adjust logic for GNU2 TLS.
15756         (ix86_init_machine_status): Initialize new field.
15757         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15758         (ix86_tls_module_base): New.
15759         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15760         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15761         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15762         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15763         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15764         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15765         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15766         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15767         * config/i386/predicates.md (tls_modbase_operand): New.
15768         (tp_or_register_operand): New.
15769
15770 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
15771
15772         * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15773         (look_for_address_of): Ditto.
15774         (ipa_init): Walk the function decls.
15775         (static_execute): Don't set readonly on FUNCTION_DECL's.
15776
15777 2006-01-18  Roger Sayle  <roger@eyesopen.com>
15778
15779         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15780         for shifts where the source and destination registers are different.
15781
15782 2006-01-18  Paul Brook  <paul@codesourcery.com>
15783
15784         Merge from csl-arm-branch.
15785         2005-03-14  Julian Brown  <julian@codesourcery.com>
15786         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15787         (aeabi_llsl): Likewise.
15788         (ashrdi3): Likewise.
15789         (aeabi_lasr): Likewise.
15790         (lshrdi3): Likewise.
15791         (aeabi_llsr): Likewise.
15792         2005-03-10  Julian Brown  <julian@codesourcery.com>
15793         * config.gcc: Disable shared libgcc for SymbianOS.
15794         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15795
15796 2006-01-18  DJ Delorie  <dj@redhat.com>
15797
15798         * c-pragma.c (handle_pragma_diagnostic): New.
15799         (init_pragma): Register it.
15800         * doc/extend.texi: Document it.
15801
15802         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15803         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15804         (diagnostic_context): Add classify_diagnostic[].
15805         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15806         as errors if they're overridden to DK_WARNING.
15807         (diagnostic_initialize): Initialize classify_diagnostic[].
15808         (diagnostic_set_kind_override): New.
15809         (diagnostic_report_diagnostic): Check for kind changes.
15810         * opts.c (common_handle_option): Take lang_mask.  Update callers.
15811         Handle OPT_Werror_.
15812         * common.opt (Werror=): New.
15813         * doc/invoke.texi: Document -Werror=*
15814
15815 2006-01-18  Jeff Law  <law@redhat.com>
15816
15817         * tree-vrp.c (test_for_singularity): Correct test for new
15818         min limit.  Use operand_equal_p rather than pointer equality
15819         for testing if new min/max values are equal.
15820
15821         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15822         using range information until after propagation and folding.
15823
15824 2006-01-18  Richard Henderson  <rth@redhat.com>
15825             Aldy Hernandez  <aldyh@redhat.com>
15826             Jakub Jelinek  <jakub@redhat.com>
15827             Diego Novillo  <dnovillo@redhat.com>
15828
15829         * omp-low.c: New file.
15830         * c-omp.c: New file.
15831
15832 2006-01-18  Richard Henderson  <rth@redhat.com>
15833             Jakub Jelinek  <jakub@redhat.com>
15834             Diego Novillo  <dnovillo@redhat.com>
15835
15836         * doc/invoke.texi: Document -fopenmp.
15837         * tree-dump.h (debug_function): Declare.
15838         * hooks.c (hook_bool_tree_bool_false): New function.
15839         (hook_tree_tree_null): Remove.
15840         (hook_tree_tree_tree_null): New.
15841         * hooks.h: Update to match.
15842         * tree-pretty-print.c (debug_tree_chain): New.
15843         (print_generic_expr): Handle TDF_CHAIN.
15844         (dump_generic_node): Handle BLOCK.
15845         Do not abort with incomplete SWITCH_EXPRs.
15846         Do not dump body of an OpenMP directive if TDF_SLIM is given.
15847         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15848         print space after directive name.
15849         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15850         Handle OMP_MASTER and OMP_ORDERED.
15851         Handle printing of OMP_BODY just in one place, goto
15852         dump_omp_body in the rest of OMP_* nodes that have
15853         OMP_BODY.
15854         Don't handle clause nodes here.  Update omp statements to
15855         use dump_omp_clauses.
15856         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15857         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15858         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15859         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15860         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15861         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15862         Adjust output for GOMP_PARALLEL.
15863         (dump_omp_clauses): New.
15864         (print_declaration): Dump DECL_VALUE_EXPR.
15865         (op_symbol_1): Split out of op_symbol.
15866         (dumping_stmts): Remove.  Update all users.
15867         * cgraph.c (cgraph_analyze_queue): New.
15868         (cgraph_add_new_function): New.
15869         * cgraph.h (cgraph_analyze_queue): Declare.
15870         (cgraph_add_new_function): Declare.
15871         (cgraph_lower_function): Remove.
15872         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15873         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15874         and TYPE_P nodes in its default clause.
15875         (empty_body_p): New.
15876         (tree_range_check_failed): New.
15877         (build5_stat): New.
15878         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15879         OMP_CLAUSE_REDUCTION_MERGE,
15880         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15881         OMP_CLAUSE_PRIVATE_DEBUG,
15882         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15883         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15884         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15885         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15886         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15887         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15888         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15889         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15890         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15891         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15892         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15893         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15894         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15895         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15896         (TREE_RANGE_CHECK): New.
15897         (empty_body_p): Declare.
15898         (enum omp_clause_default_kind): New.
15899         (build_string_literal): Declare.
15900         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15901         (build5_stat, build5): Declare.
15902         * tree-pass.h (TDF_CHAIN): Define.
15903         * tree-pass.h (PROP_gimple_lomp): Define.
15904         (pass_lower_omp): Declare.
15905         * diagnostic.h (debug_tree_chain): Declare.
15906         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15907         mode_for_size.
15908         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15909         * builtins.c (build_string_literal): Make extern.
15910         * gcc.c (include_spec_function): New.
15911         (static_spec_functions): Add it.
15912         (main): Move load of libgomp.spec ...
15913         (LINK_COMMAND_SPEC): ... here.
15914         (link_gomp_spec): New.
15915         (static_specs): Include it.
15916         (LINK_COMMAND_SPEC): Add link_gomp.
15917         (GOMP_SELF_SPECS): New.
15918         (driver_self_specs): Include it.
15919         (switch_matches): Don't mark inline.
15920         (main): Load libgomp.spec.
15921         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15922         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15923         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15924         * tree-gimple.h (enum omp_parallel): Declare.
15925         (determine_parallel_type): Declare.
15926         (omp_firstprivatize_variable): Declare.
15927         (omp_reduction_init): Declare.
15928         (diagnose_omp_structured_block_errors): Declare.
15929         (struct walk_stmt_info): Add want_return_expr.
15930         (struct walk_stmt_info): Add want_bind_expr, want_locations.
15931         (find_omp_clause): Declare.
15932         (insert_field_into_struct): Declare.
15933         (struct walk_stmt_info): Move from tree-nested.c
15934         (walk_stmts): Declare.
15935         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15936         to 200505.
15937         * cgraphunit.c (cgraph_lower_function): Make static.
15938         (cgraph_finalize_pending_functions): New.
15939         (cgraph_finalize_function): Call it.
15940         (cgraph_finalize_compilation_unit): Likewise.
15941         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15942         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15943         (BT_FN_UINT_UINT): New.
15944         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15945         DEF_FUNCTION_TYPE_VAR_4): Document.
15946         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15947         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15948         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15949         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15950         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15951         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15952         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15953         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15954         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15955         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15956         into separate files.
15957         (DEF_GOMP_BUILTIN): New.
15958         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15959         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15960         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15961         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15962         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15963         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15964         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15965         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15966         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15967         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15968         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15969         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15970         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15971         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15972         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15973         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15974         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15975         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15976         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15977         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15978         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15979         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15980         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15981         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15982         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15983         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15984         * sync-builtins.def: New file, moved from builtins.def.
15985         * omp-builtins.def: New file, moved from builtins.def.
15986         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15987         * gimple-low.c (lower_function_body): Clear data.
15988         (lower_stmt): Do not handle COMPOUND_EXPR.
15989         Remove call to print_node_brief.
15990         * c-tree.h (c_finish_omp_clauses): New prototype.
15991         (C_DECL_THREADPRIVATE_P): Define.
15992         (lookup_name_no_remap, c_omp_remap_private): Remove
15993         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15994         (check_for_loop_decls): Update decl.
15995         (lookup_name_no_remap, c_omp_remap_private): Declare.
15996         (build_indirect_ref, build_modify_expr, pushdecl,
15997         pushdecl_top_level): Move to c-common.h.
15998         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15999         before the switch, but just in the 2 places that need it.
16000         * c-decl.c (diagnose_mismatched_decls): Do not check for
16001         mismatched thread-local attributes when OLDDECL is marked
16002         threadprivate and NEWDECL has no thread-local attributes.
16003         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16004         (c_gimple_diagnostics_recursively): Rename from
16005         c_warn_unused_result_recursively.  Invoke
16006         diagnose_omp_structured_block_errors.
16007         (check_for_loop_decls): Return a singular decl found.
16008         * langhooks.c (lhd_omp_predetermined_sharing): Return
16009         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16010         (lhd_omp_firstprivatize_type_sizes): New.
16011         (lhd_omp_assignment): New.
16012         (lhd_omp_predetermined_sharing): New.
16013         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16014         (struct lang_hooks_for_types): Add
16015         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16016         omp_predetermined_sharing, omp_disregard_value_expr,
16017         omp_private_debug_clause, omp_clause_default_ctor,
16018         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16019         (c_finish_omp_clauses): New.
16020         (c_finish_bc_stmt): Diagnose break within omp for.
16021         (c_begin_omp_parallel, c_finish_omp_parallel): New.
16022         (build_unary_op): Return error_mark after reporting
16023         a readonly_error.
16024         (build_modify_expr): Likewise.
16025         * gimplify.c: Include optabs.h and pointer-set.h.
16026         (enum gimplify_omp_var_data): Declare.
16027         (struct gimplify_omp_ctx): Declare.
16028         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16029         and combined_ctxp.
16030         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16031         (push_gimplify_context, pop_gimplify_context): Allow nesting.
16032         (splay_tree_compare_decl_uid): New.
16033         (new_omp_context): New.
16034         (delete_omp_context): New.
16035         (gimple_add_tmp_var): Call omp_add_variable.
16036         (gimplify_bind_expr): Likewise.
16037         (gimplify_var_or_parm_decl): If omp_notice_variable returned
16038         true, disregard DECL_VALUE_EXPR on the decl if any.
16039         (gimplify_expr_in_ctx): New.
16040         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16041         omp_add_variable, omp_notice_variable, omp_is_private
16042         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16043         gimplify_adjust_omp_clauses, gimplify_omp_parallel
16044         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16045         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16046         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16047         gimplify_omp_atomic): New.
16048         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16049         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16050         OMP_CRITICAL and OMP_ATOMIC.
16051         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16052         * c-pragma.h (enum pragma_kind): Add
16053         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16054         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16055         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16056         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16057         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16058         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16059         PRAGMA_OMP_THREADPRIVATE.
16060         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16061         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16062         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16063         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16064         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16065         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16066         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16067         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16068         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16069         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16070         * tree-ssa-dce.c (find_control_dependence): Do not assume that
16071         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16072         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16073         OpenMP directives.
16074         (struct nesting_info): Add field_map,
16075         suppress_expansion, debug_var_chain.
16076         (create_nesting_tree): Initialize them.
16077         (lookup_field_for_decl): Use field_map.
16078         (get_nonlocal_debug_decl, get_local_debug_decl): New.
16079         (convert_local_omp_clauses): New.
16080         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16081         (walk_body): Split out of walk_function.
16082         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16083         (convert_nonlocal_reference): Handle omp statements.
16084         (convert_local_reference): Likewise.
16085         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16086         (unnest_nesting_tree): New.
16087         (lower_nested_functions): Call it.
16088         (insert_field_into_struct): Make extern.
16089         (struct walk_stmt_info): Move to tree-gimple.h.
16090         (walk_stmts): Make extern.
16091         * omp-builtins.def: New file.
16092         * tree-iterator.c (expr_only): Clarify comment.
16093         * c-common.h (pushdecl_top_level, pushdecl,
16094         build_modify_expr, build_indirect_ref,
16095         c_finish_omp_master, c_finish_omp_critical,
16096         c_finish_omp_ordered, c_finish_omp_barrier,
16097         c_finish_omp_atomic, c_finish_omp_flush,
16098         c_finish_omp_for, c_split_parallel_clauses,
16099         omp_clause_default_kind, c_omp_sharing_predetermined,
16100         c_omp_remap_decl): Declare.
16101         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16102         (OBJS-common): Add omp-low.o.
16103         (c-omp.o, omp-low.o): Add.
16104         (gimplify.o): Add dependency on $(OPTABS_H).
16105         (GTFILES): Add omp-low.c.
16106         (gt-stringpool.h): Add.
16107         * tree-cfg.c (set_bb_for_stmt): Do not update the
16108         block-to-labels map if we are currently expanding to RTL.
16109         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16110         checks.
16111         Handle IDENTIFIER_NODE.
16112         (tree_verify_flow_info): Do not ICE when emitting error
16113         messages about invalid labels.
16114         (dump_function_to_file): Reset CFUN before emitting the body
16115         of the function.
16116         (debug_function): New.
16117         * passes.c (init_optimization_passes): Schedule
16118         pass_lower_omp.
16119         * langhooks-def.h (lhd_omp_predetermined_sharing,
16120         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16121         Declare.
16122         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16123         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16124         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16125         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16126         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16127         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16128         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16129         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16130         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16131         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16132         (LANG_HOOK_DECLS): Use them.
16133
16134 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16135             Richard Henderson  <rth@redhat.com>
16136             Jakub Jelinek  <jakub@redhat.com>
16137             Diego Novillo  <dnovillo@redhat.com>
16138
16139         * c-parser.c (pragma_omp_clause): Define.
16140         (c_parser_declaration_or_fndef): Document OpenMP syntax.
16141         (c_parser_compound_statement): Likewise.
16142         (c_parser_statement): Likewise.
16143         (c_parser_pragma): Handle omp pragmas.
16144         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16145         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16146         (c_parser_omp_clause_name, check_no_duplicate_clause,
16147         c_parser_omp_variable_list,
16148         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16149         c_parser_omp_clause_copyprivate,
16150         c_parser_omp_clause_default,
16151         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16152         c_parser_omp_clause_lastprivate,
16153         c_parser_omp_clause_nowait,
16154         c_parser_omp_clause_num_threads,
16155         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16156         c_parser_omp_clause_reduction,
16157         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16158         c_parser_omp_all_clauses, c_parser_omp_structured_block,
16159         c_parser_omp_atomic, c_parser_omp_barrier,
16160         c_parser_omp_critical, c_parser_omp_flush,
16161         c_parser_omp_for_loop, c_parser_omp_for,
16162         c_parser_omp_master, c_parser_omp_ordered,
16163         c_parser_omp_sections_scope, c_parser_omp_sections,
16164         c_parser_omp_parallel, c_parser_omp_single,
16165         c_parser_omp_construct, c_parser_omp_threadprivate): New.
16166         * c-pragma.c (init_pragma): Do omp pragma registration here.
16167         * c.opt (fopenmp): New flag.
16168
16169 2006-01-18  Eric Christopher  <echristo@apple.com>
16170
16171         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16172         * config/darwin.h (GOMP_SELF_SPECS): Define.
16173
16174 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16175
16176         * rtl.h: Remove the prototype for reg_alloc.
16177
16178 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16179
16180         PR target/25731
16181         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16182         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16183         sjlj and dwarf2 exception handling.
16184         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16185         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16186         * pa/pa.c (function_value): Treat complex and vector types as
16187         aggregates.
16188         (function_arg): Likewise.  Only pass scalar floats in the floating
16189         point argument registers.
16190         * pa/t-slibgcc-dwarf-ver: New file.
16191         * pa/t-slibgcc-sjlj-ver: New file.
16192         * pa/t-slibgcc-elf-ver: Delete file.
16193
16194 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
16195
16196         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16197         unlikely_test_section_p test.
16198
16199 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16200
16201         * mode-switching.c (optimize_mode_switching): Make it static.
16202         * basic-block.h: Remove the prototype for
16203         optimize_mode_switching.
16204
16205         * modulo-sched.c (sms_schedule): Make it static.
16206         * rtl.h: Remove the prototype for sms_schedule.
16207
16208         * postreload-gcse.c (gcse_after_reload_main): Make it static.
16209         * rtl.h: Remove the prototype for gcse_after_reload_main.
16210
16211         * reg-stack.c (reg_to_stack): Make it static.
16212         * rtl.h: Remove the prototype for reg_to_stack.
16213
16214         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16215         Make them static.
16216         * rtl.h: Remove the prototypes for regrename_optimize and
16217         copyprop_hardreg_forward.
16218
16219 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
16220
16221         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16222         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
16223         Test against the appropriate null constant for the mode.
16224         If 'fixup_overlap' is true, swap the operands if they overlap.
16225         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16226         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16227         alpha_split_tmode_pair and adjust for above change.
16228         * config/alpha/alpha.md (movtf_internal): Adjust call to
16229         alpha_split_tfmode_pair and rely on it to swap the operands.
16230         (movti_internal): New insn and post-reload splitter.
16231         (movti): New expander.
16232
16233 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
16234
16235         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16236         operands.
16237
16238 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
16239
16240         * rtlanal.c (global_reg_mentioned_p_1,
16241         global_reg_mentioned_p): Remove.
16242         * rtl.h: Remove the prototype for global_reg_mentioned_p.
16243
16244         * flow.c (initialize_uninitialized_subregs): Make it static.
16245         * rtl.h: Remove the prototype for
16246         initialize_uninitialized_subregs.
16247
16248         * function.c (instantiate_virtual_regs): Make it static.
16249         * function.h: Remove the prototype for
16250         instantiate_virtual_regs.
16251
16252         * regmove.c (regmove_optimize, combine_stack_adjustments):
16253         Make them static.
16254         * rtl.h: Remove the prototypes for regmove_optimize and
16255         combine_stack_adjustments.
16256
16257 2006-01-17  Roger Sayle  <roger@eyesopen.com>
16258
16259         * config/i386/i386.c (COSTS_N_BYTES): New macro.
16260         (size_cost): Encode costs in bytes so that a reg-reg addition is
16261         equivalent to COSTS_N_INSNS(1).
16262         (override_options): Use the size_cost.branch_cost as the default
16263         ix86_branch_cost when optimizing for size.
16264
16265 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16266
16267         * Makefile.in (D32PBIT_FUNCS): New.
16268         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16269         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16270         D64PBIT_FUNCS and D128PBIT_FUNCS.
16271         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16272         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16273         D128PBIT are set.
16274         (decnumber_dep): Define.
16275         * doc/libgcc.texi (Decimal float library routines): New node.
16276         * config/dfp-bit.h, config/dfp-bit.c: New files.
16277
16278 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16279
16280         * expr.c (emit_move_change_mode): Always adjust addresses, not
16281         just during reload.  Copy replacements only during reload.
16282         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16283         emit_move_via_integer.
16284
16285 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
16286
16287         * Makefile.in (check-%, check-consistency): Use $${srcdir}
16288         instead of $(srcdir) and ${srcdir}.
16289
16290 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
16291
16292         PR target/592
16293         PR middle-end/11135
16294         * arm.h (struct machine_function): Add pic_reg.
16295         * arm.c (arm_pic_register): Make unsigned.
16296         (arm_override_options): Only set arm_pic_register if
16297         TARGET_SINGLE_PIC_BASE.
16298         (use_return_insn): Only test for a pic register if it is fixed.
16299         (arm_compute_save_reg0_reg12_mask): Likewise.
16300         (thumb_compute_save_reg_mask): Likewise.
16301         (legitimate_pic_operand): Factor out some known invariants.
16302         (legitimize_pic_address): If we don't have a fixed pic register,
16303         then set up a pseudo in the function entry sequence.  Handle the
16304         pic base being in a pseudo.
16305         (arm_load_pic_register): Handle the pic register being in a pseudo.
16306         (arm_expand_prologue): Only set up the pic register if it is fixed.
16307         (thumb_expand_prologue): Likewise.
16308         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16309         (pic_load_addr_based_insn): Likewise.
16310         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16311         fixed.
16312
16313 2006-01-18  Ben Elliston  <bje@au.ibm.com>
16314
16315         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16316         decimal float modes for all floating point registers.
16317
16318         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16319         match_code "mem" with match_test "macho_lo_sum_memory_operand".
16320
16321 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
16322
16323         PR c/25682
16324         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16325         even when the pointer is not NULL.
16326
16327 2006-01-16  Ian Lance Taylor  <ian@airs.com>
16328
16329         * common.opt (ftoplevel-reorder): New option.
16330         * cgraph.c (cgraph_asm_nodes): New global variable.
16331         (cgraph_asm_last_node): New static variable.
16332         (cgraph_order): New global variable.
16333         (cgraph_create_node): Set new order field.
16334         (cgraph_varpool_node): Likewise.
16335         (decide_is_variable_needed): Return true if not
16336         flag_toplevel_reorder.
16337         (cgraph_add_asm_node): New function.
16338         * cgraph.h (struct cgraph_node): Add order field.
16339         (struct cgraph_varpool_node): Add order field.
16340         (struct cgraph_asm_node): Define.
16341         (cgraph_asm_nodes, cgraph_order): Declare.
16342         (cgraph_add_asm_node): Declare.
16343         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16344         function.
16345         (cgraph_varpool_assemble_pending_decls): Call it.
16346         (cgraph_output_pending_asms): New static function.
16347         (cgraph_finalize_compilation_unit): Call it.
16348         (struct cgraph_order_sort): Define.
16349         (cgraph_output_in_order): New static function.
16350         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
16351         !flag_toplevel_reorder case.
16352         * c-parser.c: Include "cgraph.h".
16353         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16354         assemble_asm.
16355         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16356         than -fno-unit-at-a-time.
16357         * doc/invoke.texi (Option Summary): Mention
16358         -fno-toplevel-reorder.
16359         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
16360         -funit-at-a-time documentation.
16361
16362 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
16363             Kazu Hirata  <kazu@codesourcery.com>
16364
16365         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16366
16367 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
16368
16369         * Makefile.in (FUNCTION_H): New.  Use it instead of
16370         function.h throughout the file.
16371         * function.h: Include tree.h.
16372
16373 2006-01-17  Ben Elliston  <bje@au.ibm.com>
16374
16375         * recog.c: Separate some functions with whitespace.
16376
16377 2006-01-16  Richard Henderson  <rth@redhat.com>
16378
16379         Merge from gomp branch:
16380         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
16381         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16382         and rename from struct inline_data.  Rename callee* to dst*;
16383         caller* to src*; add copy_decl hook, transform_call_graph_edges,
16384         transform_new_cfg, transform_return_to_modify, and
16385         transform_lang_insert_block flags; remove cloning_p, versioning_p,
16386         update_clones_p.
16387         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16388         (copy_decl_for_dup): Remove.
16389         * tree-inline.c (struct inline_data): Move to header.
16390         (insert_decl_map): Export.
16391         (remap_decl): Update for member name changes.  Use copy_decl hook.
16392         Allow for replacement to be a non-decl.  Remove dead code.
16393         (remap_type_1): Check for existing mapping.
16394         (remap_type): Export.
16395         (remap_decls): Update for member name changes.
16396         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16397         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16398         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16399         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16400         (tree_function_versioning, build_duplicate_type): Likewise.
16401         (copy_body_r): Likewise.  Export.
16402         (copy_decl_for_dup): Split into ...
16403         (copy_decl_for_dup_finish, copy_decl_to_var,
16404         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16405         (replace_ref_tree, inlining_p): Remove.
16406
16407 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16408
16409         * ifcvt.c (if_convert): Make it static.
16410         * rtl.h: Remove the prototype for if_convert.
16411
16412         * local-alloc.c (local_alloc): Make it static.
16413         * rtl.h: Remove the prototype for local_alloc.
16414
16415         * loop.c (loop_optimize): Make it static.
16416         * cfgloop.h: Remove the prototype for loop_optimize.
16417         * rtl.h: Likewise.
16418
16419 2006-01-16  DJ Delorie  <dj@redhat.com>
16420
16421         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16422         mems.
16423
16424 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16425
16426         * pa.md: Disparage copies between general and floating-point registers
16427         in 32-bit move patterns.
16428
16429 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
16430
16431         PR testsuite/25741
16432         * Makefile.in (check-%): Depend on site.exp instead of
16433         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16434         directories.
16435
16436 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16437
16438         * global.c (global_alloc): Make it static.
16439         * rtl.h: Remove the prototype for global_alloc.
16440
16441 2006-01-16  Richard Guenther  <rguenther@suse.de>
16442
16443         * tree-ssa-alias.c (struct used_part): Add write_only field.
16444         (get_or_create_used_part_for): Initialize it to true.
16445         (create_overlap_variables_for): Don't create structure variables
16446         for structures that only are written to.
16447         (find_used_portions): Handle MODIFY_EXPR to track whether a
16448         structure is only written to.
16449
16450 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16451
16452         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16453         static.
16454         * basic-block.h: Remove the prototype for
16455         partition_hot_cold_basic_blocks.
16456
16457 2006-01-16  Rafael Ãvila de EspÃï¿½ndola <rafael.espindola@gmail.com>
16458
16459         * cppspec.c (lang_specific_spec_functions): Remove.
16460         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16461         * gcc.h (lang_specific_spec_functions): Remove.
16462         * gccspec.c (lang_specific_spec_functions): Remove.
16463
16464 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
16465
16466         * combine.c (record_value_for_reg): Invalidate registers
16467         if INSN is null.
16468         (record_dead_and_set_regs_1): Likewise, by passing them to
16469         record_value_for_reg.
16470         (record_dead_and_set_regs): Invalidate stores made by a
16471         call.  We do not combine across a call, but we still
16472         relied on equivalences.
16473
16474 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
16475
16476         * tree-vrp.c (extract_range_from_binary_expr): Cope with
16477         vrp_int_const_binop returning non-constant nodes.
16478
16479 2006-01-16  Paul Brook  <paul@codesourcery.com>
16480
16481         * config/m68k/m68k.c (output_move_const_into_data_reg):
16482         Output correct mnemonic for mvz and mvs.
16483
16484 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
16485
16486         * rtl-factoring.c: Add sequence abstraction algorithm.
16487         * cfgcleanup.c (outgoing_edges_match): Extra checks.
16488         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16489         ABNORMAL edges.
16490         (block_has_preserve_label): New function.
16491         * common.opt: Register new pass.
16492         * Makefile.in: Ditto.
16493         * passes.c: Ditto.
16494         * timevar.def: Ditto.
16495         * tree-pass.h: Ditto.
16496         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16497         * rtl.h (make_jump_insn_raw): Add forward decl.
16498         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16499
16500 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
16501             Roger Sayle  <roger@eyesopen.com>
16502
16503         * fold-const.c (fold_minmax): New static function.
16504         (fold_binary) <MIN_EXPR>: Call it.
16505         <MAX_EXPR>: Likewise.
16506         * stor-layout.c (place_field): Use DECL_SIZE consistently
16507         in the computation of the new record size.
16508
16509 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
16510
16511         * cse.c (cse_condition_code_reg): Make it static.
16512         * rtl.h: Remove the prototype for cse_condition_code_reg.
16513
16514         * combine.c (combine_instructions): Make it static.
16515         * rtl.h: Remove the prototype for combine_instructions.
16516
16517 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16518
16519         PR target/25168
16520         * tree.c (get_file_function_name_long): Concatenate the first global
16521         object name with a string derived from the input filename of the object
16522         for type "F".
16523
16524 2006-01-16  Ben Elliston  <bje@au.ibm.com>
16525
16526         * config/i386/winnt-stubs.c: Update FSF address.
16527         * config/xtensa/ieee754-df.S: Ditto.
16528         * config/xtensa/ieee754-sf.S: Ditto.
16529
16530 2006-01-14  Ian Lance Taylor  <ian@airs.com>
16531
16532         * ifcvt.c (noce_init_if_info): New static function, broken out of
16533         noce_process_if_block.
16534         (noce_process_if_block): Call noce_init_if_info.
16535         (check_cond_move_block): New static function.
16536         (cond_move_process_if_block): New static function.
16537         (process_if_block): Call cond_move_process_if_block.
16538
16539 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
16540
16541         * cselib.c (hash_table): Rename to cselib_hash_table.
16542         (cselib_clear_table, discard_useless_values,
16543         remove_useless_values, cselib_lookup_mem, cselib_lookup,
16544         cselib_init, cselib_finish): Adjust uses of hash_table.
16545
16546 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
16547
16548         PR tree-optimization/25485
16549         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16550         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16551         is known to be false and true, respectively.
16552
16553 2006-01-14  Richard Guenther  <rguenther@suse.de>
16554
16555         PR tree-optimization/22548
16556         PR tree-optimization/22555
16557         PR tree-optimization/22501
16558         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16559         * params.def (salias-max-array-elements): New parameter.
16560         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16561         * doc/invoke.texi (salias-max-array-elements): Document.
16562         * tree-flow-inline.h (var_can_have_subvars): We also handle
16563         arrays now.
16564         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16565         COMPONENT_REF.
16566         * tree-ssa-structalias.c (params.h): Include.
16567         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16568         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16569         (get_constraint_for): For ADDR_EXPR operating on something
16570         containing an ARRAY_REF, add all subvars to the solution.
16571         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16572         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16573         for creating MUST_DEFs.
16574         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16575
16576 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
16577
16578         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16579         functions.
16580         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16581         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16582         number_of_iterations_le): New functions.
16583         (number_of_iterations_special): Removed.
16584         (number_of_iterations_exit): Do not use number_of_iterations_special.
16585         * tree.c (unsigned_type_for): Always return integer type.
16586
16587 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
16588         Richard Guenther  <rguenther@suse.de>
16589
16590         PR rtl-optimization/24257
16591         * gcse.c (find_moveable_store): Only consider a store movable
16592         when the SET_SRC of the insn can be assigned to a register.
16593
16594 2006-01-14  Ian Lance Taylor  <ian@airs.com>
16595
16596         * tree.c (tree_not_class_check_failed): New function.
16597         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16598         (tree_not_class_check_failed): Declare.
16599
16600 2006-01-13  Ian Lance Taylor  <ian@airs.com>
16601
16602         * reload1.c (do_output_reload): Add assertion rejecting a
16603         CALL_INSN.
16604
16605 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
16606
16607         * combine.c (struct reg_stat): Add new fields truncation_label and
16608         truncated_to_mode.
16609         (record_value_for_reg): Reset truncated_to_mode.
16610         (record_truncated_value): New function.
16611         (check_promoted_subreg): Call it.  Rename to check_conversions.
16612         (combine_instructions): Rename check_promoted_subreg to
16613         check_conversions.
16614         (reg_truncated_to_mode): New function.
16615         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
16616         (gen_lowpart_or_truncate): New function.
16617         (force_to_mode): Use it instead of gen_lowpart.
16618
16619 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
16620
16621         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
16622         VAR is a tag, not its type tag.
16623
16624 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
16625
16626         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16627         alternatives to match style of other entries.
16628         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
16629
16630 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
16631
16632         PR tree-optimization/25771
16633         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16634         SSA_NAMES.
16635
16636 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
16637
16638         PR tree-opt/24365
16639         * tree-inline.c (declare_return_variable): If the return variable
16640         was marked as a non gimple complex, set the return slot variable
16641         to be a non gimple comple variable.
16642
16643 2006-01-13  Richard Guenther  <rguenther@suse.de>
16644
16645         * builtins.c (expand_builtin_sincos): New function.
16646         (expand_builtin_mathfn_3): Remove dead code, sin and cos
16647         do not set errno.
16648         (expand_builtin): Expand sincos using expand_builtin_sincos.
16649
16650 2006-01-12  DJ Delorie  <dj@redhat.com>
16651
16652         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16653         shift counts, separate SI shifts for m32c vs m16c, pass shift type
16654         so that constant shifts can be split.
16655         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16656         (m32c_valid_pointer_mode): Make static.
16657         (shift_gen_func_for): New.
16658         (m32c_prepare_shift): Use it.  Split large const shifts into
16659         multiple shifts.
16660         * config/m32c/predicates.md (shiftcount_operand): Allow more
16661         general operands.
16662         (longshiftcount_operand): New.
16663         * doc/md.texi (Machine Constraints): Document In6.
16664
16665 2006-01-13  Ben Elliston  <bje@au.ibm.com>
16666
16667         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16668         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16669         documentation.
16670
16671 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
16672
16673         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16674         to try to avoid clobbering pieces of structures when we know
16675         something about the whole structure.
16676         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16677
16678 2006-01-13  Ben Elliston  <bje@au.ibm.com>
16679
16680         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16681         return in memory, as this is no limitation is no longer present.
16682
16683 2006-01-12  DJ Delorie  <dj@redhat.com>
16684
16685         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16686         mova with fb, and for fb+0 -> An.
16687
16688         * config/m32c/mov.md (peephole2): Fix enabling logic.
16689
16690         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16691         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16692         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16693         FINI_ARRAY_SECTION_ASM_OP): Define.
16694
16695         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16696         variable.
16697         (m32c_legitimize_reload_address): New logic to reload FB to An.
16698         (m32c_output_reg_push): Add newline.
16699         (m32c_output_reg_pop): Likewise.
16700
16701 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
16702
16703         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16704
16705 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
16706
16707         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16708
16709 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16710
16711         * config/sh/predicates.md (sh_rep_vec): Add parallel to
16712         match_code.
16713
16714 2006-01-11  Ben Elliston  <bje@au.ibm.com>
16715
16716         * rtlanal.c (find_reg_note): Assert insn is not null.
16717
16718 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
16719
16720         * df-scan.c (df_hard_reg_init): Move declaration of i outside
16721         ifdef.
16722
16723 2006-01-11  Jeff Law  <law@redhat.com>
16724
16725         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16726         hold edge pairs.
16727         (mark_threaded_blocks, register_jump_thread): New functions.
16728         (thread_through_all_blocks): Remove unwanted argument.  No
16729         longer rely on e->aux to communicate thread target info.
16730         Call mark_threaded_blocks.  Release the threaded_blocks
16731         bitmap and threaded_edges vector when complete.
16732         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16733         (threaded_blocks): Remove.
16734         (tree_ssa_dominator_optimize): Remove initialization and
16735         finalization of threaded_blocks.  Simplify call to
16736         thread_through_all_blocks.
16737         (thread_across_edge): Call register_jump_thread rather than
16738         storing thread information into e->aux.
16739         (free_all_edge_infos): Simplify now that e->aux is no longer
16740         used to communicate with thread_through_all_blocks.
16741         * tree-flow.h (thread_through_all_blocks): Update prototype.
16742         (register_jump_thread): Prototype.
16743
16744 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16745
16746         * df-core.c (df_compact_blocks, df_bb_replace): Use
16747         SET_BASIC_BLOCK instead of BASIC_BLOCK.
16748
16749 2006-01-11  Richard Guenther  <rguenther@suse.de>
16750
16751         PR tree-optimization/25734
16752         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16753         stop propagation after successful propagation to the LHS.
16754
16755 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
16756
16757         * basic-block.h (control_flow_graph): Change the type of
16758         x_basic_block_info to VEC(basic_block,gc) *.
16759         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16760         basic_block_info.
16761         (SET_BASIC_BLOCK): New.
16762         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16763         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16764         * cfgbuild.c (find_basic_blocks): Likewise.
16765         * cfglayout.c (fixup_reorder_chain): Likewise.
16766         * cfgrtl.c (create_basic_block_structure,
16767         rtl_create_basic_block): Likewise.
16768         * ifcvt.c (find_if_case_1): Likewise.
16769         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16770         Likewise.
16771
16772 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
16773
16774         * Makefile.in: Removed rotted odf.c entry.
16775
16776 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
16777
16778         PR target/25706
16779         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16780         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16781         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16782         output pattern modifier, not %e.
16783         * config/cris/cris.c (cris_op_str): Update comment about pattern
16784         modifier.
16785         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16786         before falling through into...
16787         <case 'E'>: Redefined from old 'e' case.
16788
16789 2006-01-11  Jan Hubicka  <jh@suse.cz>
16790
16791         PR target/25042
16792         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16793
16794 2006-01-11  Jan Hubicka  <jh@suse.cz>
16795
16796         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16797         * i386.c (x86_decompose_lea): Kill.
16798         (ix86_rtx_costs): Kill.
16799
16800 2006-01-11  Jan Hubicka  <jh@suse.cz>
16801
16802         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16803         * cgraph.h (cgraph_node): Add inline_decl.
16804         (cgraph_insert_node_to_hashtable): Declare.
16805         (save_inline_function_body): Declare.
16806         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16807         clones.
16808         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16809         (cgraph_function_versioning): Update call of tree_function_versioning.
16810         (save_inline_function_body): New function.
16811         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16812         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16813         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16814         (cgraph_default_inline_p): Likewise.
16815         (cgraph_decide_inlining_incrementally): Likewise.
16816         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16817         (copy_bb): Kill saving; do updating of clones.
16818         (copy_cfg_body): Kill saving.
16819         (initialize_inlined-parameters): Likewise.
16820         (expand_call_inline): Likewise.
16821         (save_body): Kill.
16822         (tree_function_versioning): New parameter "update_clones".
16823         (inlining_p): Kill saving.
16824         * tree-inline.h (tree_function_versioning): Update prototype.
16825         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16826         saving.
16827
16828 2006-01-11  Ian Lance Taylor <ian@airs.com>
16829
16830         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
16831         Allow undoing set of machine mode.
16832         (do_SUBST): Use enums instead of is_int.
16833         (do_SUBST_MODE): New function.
16834         (SUBST_MODE): New macro.
16835         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16836         reg and trying to replace reg_regno_rtx with a new register.
16837         (undo_all): Use new enums, handle undoing a PUT_MODE change.
16838         (simplify_set): Use SUBST_MODE.
16839         (distribute_notes): Remove code that tried to update reg notes
16840         for regno_reg_rtx changes.
16841
16842 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
16843
16844         PR tree-optimization/23109
16845         PR tree-optimization/23948
16846         PR tree-optimization/24123
16847
16848         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16849         * tree-cfg.c (single_noncomplex_succ): New.
16850         * tree-flow.h (single_noncomplex_succ): Declare it.
16851         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16852         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16853         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16854         insert_bb, register_division_in, insert_reciprocals,
16855         replace_reciprocal, free_bb): New.
16856         (execute_cse_reciprocals_1): Rewritten.
16857         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16858         Do not commit any edge insertion.  Always compute dominators and
16859         create the allocation pool.
16860         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16861         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16862         * targhooks.c (default_min_divistions_for_recip_mul): New.
16863         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16864         * passes.c (init_optimization_passes): Run recip after tree loop
16865         optimizations.
16866         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16867
16868 2006-01-11  Danny Berlin <dberlin@dberlin.org>
16869             Kenneth Zadeck <zadeck@naturalbridge.com>
16870
16871         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16872         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16873         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16874         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16875         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16876         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16877         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16878         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16879         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16880         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16881         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16882         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16883         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16884         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16885         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16886         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16887         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16888         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16889         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16890         DF_SCAN_POST_ALLOC): New macros.
16891         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16892         df_free_bb_function, df_local_compute_function, df_init_function,
16893         df_dataflow_function, df_confluence_function_0,
16894         df_confluence_function_n, df_transfer_function,
16895         df_finalizer_function, df_free_function, df_dump_problem_function,
16896         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16897         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16898         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16899         df_urec_bb_info, ) New types.
16900         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16901         variables.
16902         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16903         df_analyze_simple_change_some_blocks,
16904         df_analyze_simple_change_one_block, df_compact_blocks,
16905         df_bb_replace, df_bb_regno_last_use_find,
16906         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16907         df_insn_regno_def_p, df_find_def, df_find_use,
16908         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16909         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16910         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16911         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16912         debug_df_chain, df_get_dependent_problem, df_chain_create,
16913         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16914         df_grow_bb_info, df_chain_dump, df_print_bb_index,
16915         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16916         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16917         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16918         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16919         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16920         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16921         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16922         df_ref_remove, df_insn_refs_delete, df_refs_delete,
16923         df_reorganize_refs, df_set_state, df_hard_reg_init,
16924         df_read_modify_subreg_p) New public functions.
16925         * df-core.c: The core dataflow solver and glue routines for rtl
16926         dataflow.
16927         (df_init, df_add_problem, df_set_blocks, df_finish,
16928         df_hybrid_search_forward, df_hybrid_search_backward,
16929         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16930         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16931         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16932         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16933         df_reg_defined, df_find_use, df_reg_used, df_dump,
16934         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16935         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16936         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16937         debug_df_useno, reset_df_after_reload): New functions.
16938         * df-scan.c: The scanning fuctions, once in df.c, completely
16939         rewritten so that they now fully model the functionality of
16940         register usage at the backend.
16941         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16942         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16943         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16944         df_grow_insn_info, df_rescan_blocks, df_ref_create,
16945         df_get_artificial_defs, df_get_artificial_uses,
16946         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16947         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16948         df_refs_delete, df_reorganize_refs, df_set_state,
16949         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16950         df_def_record_1, df_defs_record, df_uses_record,
16951         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16952         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16953         df_record_exit_block_uses, df_hard_reg_init): New functions.
16954
16955         * df-problems.c: Seven concrete dataflow problems that use the
16956         scanning in df-scan.c and are solved by the engine in df-core.c.
16957         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16958         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16959         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16960         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16961         df_ru_free_bb_info, df_ru_alloc,
16962         df_ru_bb_local_compute_process_def,
16963         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16964         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16965         df_ru_transfer_function, df_ru_free, df_ru_dump,
16966         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16967         df_rd_free_bb_info, df_rd_alloc,
16968         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16969         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16970         df_rd_transfer_function, df_rd_free, df_rd_dump,
16971         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16972         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16973         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16974         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16975         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16976         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16977         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16978         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16979         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16980         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16981         df_urec_mark_reg_change, df_urec_check_earlyclobber,
16982         df_urec_mark_reg_use_for_earlyclobber,
16983         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16984         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16985         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16986         df_urec_dump, df_urec_add_problem, df_chain_alloc,
16987         df_chain_create_bb_process_use, df_chain_create_bb,
16988         df_chain_finalize, df_chain_free, df_chains_dump,
16989         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16990         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16991         df_reg_lifetime): New functions.
16992         * df.c: Deleted file.
16993         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16994         consistent with new df api.
16995         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16996         rest_of_handle_sms): Ditto.
16997         * web.c (unionfind_union, union_defs, entry_register, web_main):
16998         Ditto.
16999         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17000         invariant_expr_equal_p, find_defs, check_dependencies,
17001         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17002         free_inv_motion_data, move_loop_invariants): Ditto.
17003         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17004         Update dependencies.
17005         (odf.c): Added defective entry that was deleted later in day.
17006         * sched-deps.c (sched_analyze_1): Ditto.
17007
17008 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
17009
17010         * tree-ssa-operands.c (get_expr_operands): Record addressable
17011         variables directly.  Do not call add_stmt_operands for CONST_DECLs
17012         and ARRAY_DECLs.
17013         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17014         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17015
17016 2006-01-11  Ben Elliston  <bje@au.ibm.com>
17017
17018         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17019         function returns true in the positive case.
17020
17021 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17022
17023         PR target/20754
17024         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17025         for SI, DI, SF and DF modes.  Add alternatives to copy between
17026         general and floating point registers to the 32-bit patterns.
17027         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17028         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17029         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17030         generating 64-bit code.
17031         * config/pa/pa.c (output_move_double): Handle copies between general
17032         and floating registers.
17033
17034 2006-01-10  Stuart Hastings  <stuart@apple.com>
17035
17036         * config/i386/i386.md (set_got): Update.
17037         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
17038         (builtin_setjmp_receiver): Mach-O support.
17039         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17040         (GOT_SYMBOL_NAME): Define.
17041         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17042         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17043         * config/i386/i386.c (override_options): Revise for Darwin.
17044         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
17045         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
17046         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
17047         * config/i386/i386-protos.h (output_set_got): Likewise.
17048         * config/darwin.c (machopic_legitimize_pic_address): Update
17049         regs_ever_live[].
17050
17051 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
17052
17053         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17054         when MODE isn't BLKmode.
17055
17056 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
17057
17058         PR rtl-optimization/25367
17059         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17060
17061 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
17062
17063         PR target/25718
17064         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17065         for a negative bound.
17066
17067 2006-01-10  Richard Guenther  <rguenther@suse.de>
17068
17069         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17070         Never override with anything constraint.
17071
17072 2006-01-10  Jan Beulich  <jbeulich@novell.com>
17073
17074         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17075         256 bits when optimize_size.
17076
17077 2006-01-10  Jan Beulich  <jbeulich@novell.com>
17078
17079         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17080         MASK_ALIGN_DOUBLE.
17081         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17082         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17083         arguments.
17084
17085 2006-01-10  Ben Elliston  <bje@au.ibm.com>
17086
17087         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17088         float modes.
17089         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17090         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17091         (USE_FP_FOR_ARG): Reject decimal float modes.
17092         (function_arg_advance): Likewise.
17093         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17094         (rs6000_handle_altivec_attribute): Do not permit decimal floating
17095         point types in AltiVec vectors.
17096         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17097         (rs6000_libcall_value): Likewise.
17098
17099 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
17100
17101         * config/xtensa/ieee754-df.S: New file.
17102         * config/xtensa/ieee754-sf.S: New file.
17103         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17104         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17105         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17106
17107 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
17108
17109         * config/sh/predicates.md (binary_float_operator,
17110         binary_logical_operator, commutative_float_operator,
17111         equality_comparison_operator, greater_comparison_operator,
17112         less_comparison_operator, logical_operator,
17113         noncommutative_float_operator, shift_operator,
17114         symbol_ref_operand, unary_float_operator): Remove redundant
17115         conditionals.
17116
17117 2006-01-09  Jeff Law  <law@redhat.com>
17118
17119         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17120         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
17121         now unused arguments.  Callers updated.
17122         (eliminate_redundant_computations): Remove now unused arguments,
17123         callers updated.
17124         (local_fold): Remove, no longer used.
17125         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17126         and moved to...
17127         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17128         (simplify_cond): New function.
17129         (forward_propagate_into_cond): Call simplify_cond.
17130
17131 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
17132
17133         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17134         (*vec_extractv2di_1_sse): New.
17135
17136 2006-01-09  Ben Elliston  <bje@au.ibm.com>
17137
17138         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17139
17140 2006-01-08  Richard Guenther  <rguenther@suse.de>
17141
17142         * tree-ssa-structalias.c (get_constraint_for): Remove
17143         anyoffset argument.
17144         (get_constraint_for_component_ref): Likewise.
17145         (do_deref): Likewise.
17146         (get_constraint_for): Likewise.
17147         (do_structure_copy): Likewise.
17148         (handle_ptr_arith): Likewise.
17149         (find_func_aliases): Likewise.  Remove unused need_anyoffset
17150         variable.
17151
17152 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
17153             Kaz Kojima  <kkojima@gcc.gnu.org>
17154
17155         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17156         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17157         (EXTRA_CONSTRAINT_C16): Remove.
17158         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17159         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17160         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17161         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17162         constants of SHmedia.  Handle nested constant expressions of
17163         SHmedia correctly.
17164         (andcosts): Fix the costs for SHmedia constants.
17165         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17166         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17167         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17168         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17169         (movv4hi_i, movv2si_i): Likewise.
17170         (movsi_const): Adjust the second operand of ior so to match with
17171         the Csu constraint.
17172         (movdi_const, movdi_const_32bit): Likewise.
17173         (movdi_const_16bit+1): Don't sign-extend LOW.
17174         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
17175         step.
17176         (*double_shori): Fix the split condition.  Use GEN_INT instead
17177         of get_int_mode calls.  Mask lower 16-bit of the argument of
17178         the last GEN_INT.
17179         (sym2GOTPLT): Remove.
17180         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17181         gen_rtx_UNSPEC.
17182         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17183         instead of EXTRA_CONSTRAINT_C16.
17184
17185 2006-01-07  Ian Lance Taylor  <ian@airs.com>
17186             David Edelsohn  <edelsohn@gnu.org>
17187
17188         PR rtl-optimization/25662
17189         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17190         for constant operands instead of simplify_gen_binary.
17191         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17192         after trying simplify_binary_operation
17193
17194 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
17195
17196         * tree.c (iterative_hash_expr): Hash decls based on UID.
17197
17198 2006-01-06  Eric Christopher  <echristo@apple.com>
17199
17200         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17201         (TARGET_UNWIND_EMIT): Fix spelling.
17202         * target.h (gcc_target): Add except_table_label.
17203         * except.c (output_function_exception_table): Use.
17204         * varasm.c (default_emit_except_table_label): New.
17205         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17206         define.
17207         (asm_out): Add here.
17208         * output.h (default_emit_except_table_label): Prototype.
17209         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17210         * config/darwin.c (darwin_emit_except_table_label): Define.
17211         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17212
17213 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
17214
17215         PR tree-optimization/18527
17216         * tree-ssa-loop-niter.c (number_of_iterations_cond,
17217         number_of_iterations_special, number_of_iterations_exit):
17218         Move base and step of an iv to a single structure.  Add
17219         no_overflow flag, and use it in # of iterations analysis.
17220         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17221         folded_casts argument.
17222         (simple_iv): Pass base and step in a structure.  Set no_overflow
17223         flag.
17224         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17225         Evaluate expensiveness of computing # of iterations instead of
17226         the final expression.
17227         * tree-scalar-evolution.h (affine_iv): New structure.
17228         (simple_iv): Declaration changed.
17229         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17230         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17231         find_givs_in_stmt): Changed due to simple_iv change.
17232
17233 2006-01-06  Jeff Law  <law@redhat.com>
17234
17235         PR ada/24994
17236         * tree-cfg.c (bsi_replace): Rename final argument from
17237         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
17238         change (stmt -> orig_stmt).
17239         * tree-eh.c (verify_eh_throw_stmt_node): New function.
17240         (bsi_remove): Add new argument.  Remove EH information
17241         if requested.
17242         (verify_eh_throw_table_statements): New function.
17243         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
17244         updated.
17245         * tree-optimize.c (execute_free_cfg_annotations): Verify
17246         the EH throw statement table after removing annotations.
17247         * except.h (verify_eh_throw_table_statements): Prototype.
17248         * tree-flow.h (bsi_remove): Update prototype.
17249         * tree-vrp.c (remove_range_assertions): Add new argument to
17250         bsi_remove call.
17251         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17252         * tree-complex.c (expand_complex_div_wide): Likewise.
17253         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17254         * tree-tailcall.c (eliminate_tailcall): Likewise.
17255         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17256         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17257         * tree-nrv.c (tree_nrv): Likewise.
17258         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17259         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17260         (combine_blocks): Likewise.
17261         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17262         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17263         (cleanup_control_flow): Likewise.
17264         (remove_forwarder_block): Likewise.
17265         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17266         * tree-sra.c (sra_replace): Likewise.
17267         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17268         (forward_propagate_single_use_vars): Likewise.
17269         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17270         * tree-inline.c (expand_call_inline): Likewise.
17271         * tree-vect-transform.c (vect_transform_loop): Likewise.
17272         * tree-outof-ssa.c (rewrite_trees): Likewise.
17273         * tree-cfg.c (make_goto_expr_edges): Likewise.
17274         (cleanup_dead_labels): Likewise.
17275         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17276         (bsi_move_before, bsi_move_after): Likewise.
17277         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17278         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17279
17280 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
17281
17282         PR tree-opt/25528
17283         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17284         and IMAGPART_EXPR.
17285         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17286         on non gimple variables.  Also add checks at the top for decls and
17287         mtags.
17288         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17289         complex types.
17290         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17291         and IMAGPART_EXPR for creating MUST_DEFs.
17292         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17293         and NAME_MEMORY_TAG separately from the DECLs.
17294
17295 2006-01-06  Richard Guenther  <rguenther@suse.de>
17296
17297         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17298         annotation, if necessary.
17299         * tree-ssa-pre.c (create_expression_by_pieces): Remove
17300         redundant calls to update_stmt.
17301         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17302         Likewise.
17303
17304 2006-01-05  Richard Henderson  <rth@redhat.com>
17305
17306         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17307
17308 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
17309
17310         * c-typeck.c: Update copyright date.
17311
17312 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
17313
17314         * c-typeck.c (build_c_cast): Always warn when casting
17315         from a pointer to an integer of different size, even if
17316         the node was constant.
17317
17318 2006-01-05  Richard Guenther  <rguenther@suse.de>
17319
17320         PR tree-optimization/22555
17321         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17322         if one structure field is an array.
17323         * tree-ssa-operands.c (get_expr_operands): Continue scanning
17324         operands even if we found a subvar, but ignore VOPs in this
17325         case.
17326         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17327         for renaming.
17328         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17329
17330 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
17331
17332         PR middle-end/24998
17333         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17334
17335 2006-01-05  Richard Guenther  <rguenther@suse.de>
17336             Diego Novillo  <dnovillo@redhat.com>
17337
17338         * tree-pass.h (TODO_remove_unused_locals): Define.
17339         * gimple-low.c (expand_var_p, remove_useless_vars,
17340         pass_remove_useless_vars): Remove.  Update all users.
17341         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17342         (remove_unused_locals): New function.
17343         * tree-flow.h (remove_unused_locals): Declare.
17344         * passes.c (execute_todo): Call remove_unused_locals if
17345         TODO_remove_unused_locals is set.
17346         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17347         * tree-ssa-dce.c (pass_dce): Likewise.
17348         * tree-outof-ssa.c (pass_del_ssa): Likewise.
17349
17350 2006-01-05  Richard Guenther  <rguenther@suse.de>
17351
17352         * tree-flow.h (struct fieldoff): Decompose field to
17353         type, size and decl.
17354         * tree-ssa-alias.c (create_sft): Take type as parameter.
17355         (create_overlap_variables_for): Store type, size and decl
17356         in the fieldoff structure.
17357         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17358         of struct fieldoff.
17359         (push_fields_onto_fieldstack): Likewise.
17360         (create_variable_info_for): Likewise.  Use offset for the
17361         SFT name if the decl is not available.
17362
17363 2006-01-04  Paul Brook  <paul@codesourcery.com>
17364
17365         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17366
17367 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
17368
17369         * lambda-code.c (can_put_in_inner_loop): Relax
17370         restrictions.
17371         (can_put_after_inner_loop): New function.
17372         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17373         (perfect_nestify): Change to make copies and modify uses.
17374
17375 2006-01-04  Richard Henderson  <rth@redhat.com>
17376
17377         Merge from gomp branch:
17378         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17379         via integer constant.
17380         (pragma_lex): Remove.
17381         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17382         rather than parsing it.
17383         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17384         handle_pragma_extern_prefix): Add %< %> quotes.
17385         (registered_pragmas): New.
17386         (c_register_pragma_1): New.
17387         (c_register_pragma): Use it.
17388         (c_register_pragma_with_expansion): Likewise.
17389         (c_invoke_pragma_handler): New.
17390         (init_pragma): Use cpp_register_deferred_pragma directly for
17391         pch_preprocess.
17392         * c-pragma.h (enum pragma_kind): New.
17393         (pragma_handler): New.
17394         (c_invoke_pragma_handler): Declare.
17395         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17396         CPP_PRAGMA_EOL.
17397         * c-common.h (c_common_pch_pragma): Update decl.
17398         * Makefile.in (c-parser.o): Update dependencies.
17399         (GTFILES): Add c-pragma.h.
17400         * c-parser.c (struct c_token): Add pragma_kind.
17401         (struct c_parser): Add in_pragma.
17402         (c_lex_one_token): Always initialize keyword and pragma_kind.
17403         Extract data for CPP_PRAGMA.
17404         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17405         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17406         Don't allow CPP_PRAGMA_EOL if in_pragma.
17407         (c_parser_consume_pragma): New.
17408         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17409         (c_parser_skip_to_end_of_parameter): Likewise.
17410         (c_parser_skip_to_end_of_block_or_statement): Likewise.
17411         (c_parser_skip_to_pragma_eol): New.
17412         (c_parser_external_declaration): Handle CPP_PRAGMA.
17413         (c_parser_compound_statement_nostart): Likewise.
17414         (c_parser_statement_after_labels): Likewise.
17415         (c_parser_pragma): New.
17416         (pragma_lex): Likewise.
17417         (c_parser_pragma_pch_preprocess): New.
17418         (c_parser_new): Merge into ...
17419         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
17420
17421 2006-01-04  Jeff Law  <law@redhat.com>
17422
17423         PR ada/24994
17424         * tree-cfg.c (bsi_replace): Remove the original statement
17425         from the EH throw statement table.
17426
17427 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
17428
17429         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17430         make the prototype extern "C" and add throw ().
17431
17432         PR target/25554
17433         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17434         and pos non-negative and pos + len <= 32.
17435         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17436         drop pos + len < HOST_BITS_PER_WIDE_INT test.
17437         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17438
17439         PR c/25559
17440         * c-common.c (handle_vector_size_attribute): Reject zero vector size
17441         as well as sizes not multiple of component size.
17442
17443         PR debug/25562
17444         * function.c (instantiate_expr): New function.
17445         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17446         walk its DECL_VALUE_EXPR with instantiate_expr.
17447
17448         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17449         DW_OP_deref{,_size} if address isn't going to be added.
17450
17451 2006-01-04  Ben Elliston  <bje@au.ibm.com>
17452
17453         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17454         * config/fp-bit.c: Likewise.
17455
17456 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
17457
17458         * dominance.c: Add comment about why we use DFS numbering
17459         of dominance tree.
17460
17461 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
17462             Richard Henderson  <rth@redhat.com>
17463
17464         Merge from gomp-branch:
17465         * varasm.c (assemble_variable): Handle thread-local COMMON data.
17466         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17467
17468 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
17469
17470         PR rtl-optimization/25578
17471         * combine.c (combine_simplify_rtx, force_to_mode): Don't
17472         pass a parameter to simplify_shift_const if changing ASHIFTRT
17473         to LSHIFTRT.
17474
17475 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
17476
17477         * builtins.c (get_builtin_sync_mem): New function.
17478         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17479         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17480         Call get_builtin_sync_mem to generate mem rtx.
17481
17482 2006-01-03  Richard Guenther  <rguenther@suse.de>
17483
17484         PR c/25183
17485         * stmt.c (add_case_node): Make sure to clear overflow flags
17486         from ranges.
17487
17488 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
17489
17490         Merge from gomp-branch.
17491         * config/sparc/sync.md: New file.
17492         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17493         UNSPECV_LDSTUB): New constants.
17494         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17495         * config/sparc/predicates.md (memory_reg_operand): New predicate.
17496         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17497         prototype.
17498
17499 2006-01-03  Roger Sayle  <roger@eyesopen.com>
17500
17501         * combine.c (reg_subword_p): New predicate to test whether the
17502         destination of a set refers to a subword/piece of a register.
17503         (try_combine): Generalize the code to merge the setting of a
17504         pseudo to a constant followed by a set of a subword of that
17505         register to a constant.
17506
17507 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
17508
17509         * basic-block.h (control_flow_graph): Change the type of
17510         x_label_to_block_map to VEC(basic_block,gc) *.
17511         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17512         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17513
17514         * tree-ssa-propagate.c (cfg_blocks): Change the type to
17515         VEC(basic_block,heap) *.
17516         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17517         ssa_prop_fini): Adjust the uses of cfg_blocks.
17518
17519 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
17520
17521         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17522         COMPONENT_REFs.
17523         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17524         hashing trees instead of a pointer hash.
17525         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17526         compare for MEM_EXPR.
17527
17528         PR rtl-optimization/25130
17529         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17530         when comparing MEMs for GCSE
17531
17532 2006-01-03  Ben Elliston  <bje@au.ibm.com>
17533
17534         * targhooks.h (default_decimal_float_supported_p): Declare.
17535         * targhooks.c (default_decimal_float_supported_p): Define.
17536         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17537         `default_decimal_float_supported_p'.
17538         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17539
17540 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
17541
17542         * combine.c (apply_distributive_law <SUBREG>): Check
17543         TRULY_NOOP_TRUNCATION.
17544
17545 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
17546
17547         * dwarf2out.c (have_switched_text_section): Delete.
17548         (have_multiple_function_sections): New.
17549         (have_location_lists): Make 'bool'.
17550         (add_AT_loc_list): Use 'true' not '1'.
17551         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17552         (output_loc_list): Use have_multiple_function_sections.
17553         (output_ranges): Likewise.
17554         (dwarf2out_begin_function): Set have_multiple_function_sections if
17555         necessary.
17556         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17557         Check function_section rather than DECL_SECTION_NAME.
17558         (dwarf2out_finish): Use have_multiple_function_sections.
17559         Don't clear have_location_lists.
17560
17561 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
17562             Jan Hubicka  <jh@suse.cz>
17563
17564         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17565         case of conditional jump jumping to the next instruction.
17566         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17567         cases of conditional jump jumping to the next instruction.
17568
17569 2006-01-02  Jan Hubicka  <jh@suse.cz>
17570
17571         * i386.c (*_cost): Add COSTS_N_INSNS.
17572         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17573
17574 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
17575
17576         PR target/25259
17577         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17578
17579 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17580
17581         * config/arm/arm.c (all_fpus): Fix comment typo.
17582         * config/darwin.c: Likewise.
17583         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17584         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17585         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17586
17587 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
17588
17589         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17590         (rs6000_split_compare_and_swapqhi): New.
17591         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17592         (sync_compare_and_swapqhi_internal): New.
17593         * config/rs6000/rs6000-protos.h: Declare.