gcc/ChangeLog

   1 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
   2
   3         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
   4         before function.  Extend register save check to include all
   5         registers, not just integer ones.
   6
   7 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
   8
   9         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
  10         (m68k_use_return_insn): ...this.
  11         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
  12         * config/m68k/m68k.c (use_return_insn): Rename to...
  13         (m68k_use_return_insn): ...this.
  14         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
  15         of USE_RETURN_INSN.
  16
  17 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
  18
  19         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
  20         nearest even, fix denormal rounding overflow.
  21
  22 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
  23
  24         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
  25         f%$smove and f%$move.
  26         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
  27         (extendsfdf2_cf): Use fdmove instead of f%&move.
  28         (truncdfsf2_cf): Use fsmove instead of f%$smove.
  29         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
  30
  31 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
  32
  33         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
  34         GPR<-GPR moves.
  35
  36 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
  37
  38         * real.h (real_format): Add a canonical_nan_lsbs_set field.
  39         (coldfire_single_format): Declare.
  40         (coldfire_double_format): Likewise.
  41         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
  42         of qnan_msb_set to determine the lower bits of a canonical
  43         NaN significand.
  44         (encode_ieee_double): Likewise.
  45         (encode_ieee_quad): Likewise.
  46         (ieee_single_format): Initialize canonical_nan_lsbs_set.
  47         (mips_single_format): Likewise.
  48         (ieee_double_format): Likewise.
  49         (mips_double_format): Likewise.
  50         (ieee_extended_motorola_format): Likewise.
  51         (ieee_extended_intel_96_format): Likewise.
  52         (ieee_extended_intel_128_format): Likewise.
  53         (ieee_extended_intel_96_round_53_format): Likewise.
  54         (ibm_extended_format): Likewise.
  55         (mips_extended_format): Likewise.
  56         (ieee_quad_format): Likewise.
  57         (mips_quad_format): Likewise.
  58         (vax_f_format): Likewise.
  59         (vax_d_format): Likewise.
  60         (vax_g_format): Likewise.
  61         (i370_single_format): Likewise.
  62         (i370_double_format): Likewise.
  63         (decimal_single_format): Likewise.
  64         (decimal_double_format): Likewise.
  65         (decimal_quad_format): Likewise.
  66         (c4x_single_format): Likewise.
  67         (c4x_extended_format): Likewise.
  68         (real_internal_format): Likewise.
  69         (coldfire_single_format): New real_format.
  70         (coldfire_double_format): Likewise.
  71         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
  72         canonical_nan_lsbs_set.
  73         (pdp11_d_format): Likewise.
  74         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
  75         if TARGET_COLDFIRE_CPU.
  76
  77 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
  78
  79         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
  80         (output_call, m68k_legitimize_call_address): Declare.
  81         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
  82         parenthesees.  Add support for a 'W' constraint.
  83         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
  84         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
  85         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
  86         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
  87         variables.
  88         (override_options): Initialize them.  Do not set flag_no_function_cse
  89         for TARGET_ID_SHARED_LIBRARY.
  90         (m68k_output_pic_call): Delete.
  91         (m68k_legitimize_call_address): New function.
  92         (print_operand): Remove the %o prefix.  Handle the %p prefix.
  93         (output_call): New function.
  94         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
  95         target address from the GOT if symbolic jumps are not allowed.
  96         * config/m68k/m68k.md (call, general_operand): Do not set
  97         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
  98         Merge separate flag_pic and !flag_pic define_insns into...
  99         (*call, *call_value): ...these new patterns.  Match the address
 100         rather than the containing MEM and require it to be a call_operand.
 101         Use output_call to generate the asm template.
 102         * config/m68k/predicates.md (const_call_operand): New predicate.
 103         (call_operand): Likewise.
 104
 105 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 106
 107         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
 108         (STACK_GROWS_DOWNWARD): Define to 1.
 109         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
 110         comments, emphasizing that these values are only defaults.
 111         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
 112         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
 113
 114 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 115
 116         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
 117
 118 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
 119             Richard Sandiford  <richard@codesourcery.com>
 120
 121         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
 122         (FP_REGNO_P): New macros.
 123         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
 124         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
 125         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
 126         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
 127
 128 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 129
 130         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
 131         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
 132         to $tmake_file.
 133         * config/m68k/t-floatlib: New file, extracting common code from...
 134         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
 135         * config/m68k/t-uclinux: Here.
 136         * config/m68k/fpgnulib.c: Do not compile extendeed precision
 137         routines on ColdFire targets.
 138
 139 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
 140
 141         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
 142         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
 143         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
 144         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
 145         explicitly set MOTOROLA to 1.
 146         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
 147
 148 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 149             Nathan Sidwell  <nathan@codesourcery.com>
 150
 151         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
 152         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
 153         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
 154         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
 155         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
 156         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
 157         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
 158         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
 159         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
 160         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
 161         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
 162         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
 163         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
 164         (DBX_REGISTER_NUMBER): Delete.
 165         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
 166         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
 167         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
 168
 169 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 170
 171         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
 172         * config/flat.h: New file.
 173         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
 174         OBJECT_FORMAT_FLAT.
 175         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
 176         indirect references for -msep-data or -mid-shared-library.
 177         Do not use PC-relative code addresses either.
 178         * config/m68k/m68k.c (override_options): Restrict -fPIC error
 179         to -mpcrel.
 180         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
 181         for shared libraries and crt1.o for executables.  Use crti.o and
 182         crtbegin.o.
 183         (ENDFILE_SPEC): Use crtend.o and crtn.o.
 184         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
 185         Do not add -elf2flt or -shared-lib-id options here.
 186         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
 187         Pass -shared-lib-id if -mid-shared-library, taking the library
 188         identifier from -mshared-library-id if given, otherwise
 189         defaulting to 0.
 190         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
 191         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
 192         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
 193         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
 194         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
 195         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
 196         and crtend.o.
 197         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
 198         jump sequence for ISA A and ISA A+.
 199         (PICJUMP): Likewise.
 200
 201 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 202
 203         * config.gcc (m68k-*-uclinux*): Base the port on the common
 204         and m68k GNU/Linux files rather than on the generic ELF ones.
 205         * config/m68k/uclinux.h (TARGET_VERSION): Override.
 206         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
 207
 208 2007-01-18  Julian Brown  <julian@codesourcery.com>
 209             Richard Sandiford  <richard@codesourcery.com>
 210
 211         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
 212         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
 213         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
 214         before redefining.
 215         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
 216         80 unconditionally.
 217         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
 218
 219 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
 220
 221         * doc/install.texi: Document m68k-uclinuxoldabi.
 222         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
 223         * config/m68k/uclinux-oldabi.h: New file, copied from
 224         config/m68k/uclinux.h.
 225
 226 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
 227
 228         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
 229         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
 230         (m32r_compute_frame_size): Use unsigned for regno.
 231         (m32r_reload_lr): Use gen_frame_mem.
 232         (pop): New.
 233         (m32r_output_function_epilogue): Don't output the function epilogue
 234         textually here.
 235         (m32r_expand_epilogue): New.
 236         (direct_return): Return false if the function has the interrupt
 237         attribute.
 238         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
 239         * config/m32r/m32r.md (epilogue): New expander.
 240         (return_lr, return_rte): New insns.
 241         (return): Make it expander.
 242         (return_normal): New expander.
 243
 244 2007-01-18  Josh Conner  <jconner@apple.com>
 245
 246         PR target/30485
 247         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
 248         support for UNLE, UNLT, UNGE, and UNGT.
 249
 250 2007-01-18  Jan Hubicka  <jh@suse.cz>
 251
 252         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
 253         * tree-tailcall (add_virtual_phis): Likewise.
 254         (optimize_tail_call): Return TODOs.
 255         (execute_tail_calls): Return TODOs.
 256         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
 257         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
 258         changed.
 259         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
 260         Cleanup cfg using TODO.
 261         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
 262         * passes.c (execute_function_todo): When cleanup did something, remove
 263         unused locals.
 264         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
 265         (make_edges): Don't cleanup_cfg.
 266
 267 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
 268
 269         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
 270         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
 271         operate on the top of stack.
 272         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
 273         register handling of instructions that output to the second
 274         stack slot.
 275         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
 276         (move_for_stack_reg): Special-case check for dead destination
 277         stack slot for constant load of 1.0 inside UNSPEC_TAN.
 278
 279         * config/i386/i386.md (UNSPEC_TAN): New constant.
 280         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
 281         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
 282         to correctly model move of constant 1.0 to top stack slot.
 283         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
 284         (unnamed peephole2 pattern): Remove corresponding peephole2
 285         pattern that optimizes tan insn and loading of constant 1.0.
 286         (tanxf2): Use fptanxf4_i387.
 287         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
 288         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
 289         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
 290         disable patterns for SSE math.
 291         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
 292         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
 293
 294 2007-01-18  Dirk Mueller  <dmueller@suse.de>
 295             Richard Guenther <rguenther@suse.de>
 296
 297         PR diagnostic/8268
 298         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
 299         * common.opt (Warray-bounds): Add new warning option.
 300         * c-opts.c (c_common_handle_option): Define -Warray-bounds
 301         if -Wall is given.
 302         * Makefile.in: make tree-vrp.o depend on toplev.h
 303         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
 304         is enabled.
 305         (check_array_refs, check_array_bounds, check_array_ref): New.
 306
 307 2007-01-18  Jan Hubicka  <jh@suse.cz>
 308
 309         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
 310         (execute_ssa_ccp): Return flags conditionally.
 311         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
 312         changed.
 313         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
 314
 315 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
 316
 317         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
 318         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
 319
 320         * Makefile.c (GTFILES): Add cfglayout.h.
 321         * gengtype.c (open_base_files): Likewise.
 322         * cfglayout.c (cfg_layout_function_footer,
 323         cfg_layout_function_header) Reindent to make gengtype happy.
 324         * cfglayout.h (cfg_layout_function_footer,
 325         cfg_layout_function_header): Add GTY(()) marker.
 326
 327         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
 328
 329 2007-01-18  Ben Elliston  <bje@au.ibm.com>
 330
 331         * genautomata.c (write_automata): Include xstrerror output in the
 332         error message if writing the DFA description file fails.
 333
 334 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
 335
 336         * config/mips/mips-protos.h (mips_output_external): Make it
 337         return void.
 338         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
 339         * config/mips/mips.c (irix_output_external_libcall): Likewise.
 340         (extern_list): Likewise.
 341         (extern_head): Likewise.
 342         (TARGET_ASM_FILE_END): Likewise.
 343         (mips_file_end): Likewise.
 344         (mips_output_external): Rewritten.
 345
 346 2007-01-18  Ben Elliston  <bje@au.ibm.com>
 347
 348         * genpreds.c (write_insn_preds_c): Only write out the function
 349         body for regclass_for_constraint if we have register constraints.
 350
 351 2007-01-17  Tom Tromey  <tromey@redhat.com>
 352
 353         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
 354         * doc/install.texi (Testing): Use sourceware.org.
 355         (Binaries): Likewise.
 356         (Specific): Likewise.
 357         * doc/contrib.texi (Contributors): Use sourceware.org.
 358
 359 2007-01-17  Anatoly Sokolov <aesok@post.ru>
 360
 361         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
 362         (AVR_ENHANCED): Rename to ...
 363         (AVR_HAVE_MUL): ... new.
 364         (avr_enhanced_p): Rename to ...
 365         (avr_have_mul_p): ... new.
 366         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
 367         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
 368         * config/avr/avr.c (avr_enhanced_p): Rename to ...
 369         (avr_have_mul_p): ... new.
 370         (base_arch_s): Rename 'enhanced' to 'have_mul'.
 371         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
 372         'avr_enhanced_p' and 'enhanced'.
 373         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
 374         AVR_HAVE_MUL instead of AVR_ENHANCED.
 375         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
 376         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
 377         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
 378         instead of AVR_ENHANCED.
 379         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
 380         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
 381         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
 382
 383 2007-01-17  Ian Lance Taylor  <iant@google.com>
 384
 385         * vec.h (VEC_reserve_exact): Define.
 386         (vec_gc_p_reserve_exact): Declare.
 387         (vec_gc_o_reserve_exact): Declare.
 388         (vec_heap_p_reserve_exact): Declare.
 389         (vec_heap_o_reserve_exact): Declare.
 390         (VEC_OP (T,A,reserve_exact)): New static inline function, three
 391         versions.
 392         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
 393         negative parameter.
 394         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
 395         (VEC_OP (T,A,copy)) [all versions]: Likewise.
 396         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
 397         * vec.c (calculate_allocation): Add exact parameter.  Change all
 398         callers.
 399         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
 400         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
 401         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
 402         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
 403         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
 404         (vec_heap_p_reserve_exact): New function.
 405         (vec_heap_o_reserve_exact): New function.
 406
 407 2007-01-17  Jan Hubicka  <jh@suse.cz>
 408
 409         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
 410
 411 2007-01-17  Eric Christopher  <echristo@apple.com>
 412
 413         * config.gcc: Support core2 processor.
 414
 415 2007-01-16  Jan Hubicka  <jh@suse.cz>
 416
 417         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
 418         the names, just unlink the chain so we don't crash on dangling pointers
 419         to dead SSA names.
 420
 421 2007-01-16  Jan Hubicka  <jh@suse.cz>
 422
 423         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
 424         * tree-pass.h: Reorder to make IPA passes appear toegher.
 425         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
 426         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
 427         parameters, do not call early inliner.
 428         * ipa-inline.c: Update comments.  Include tree-flow.h
 429         (cgraph_decide_inlining): Do not compute inlining parameters.
 430         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
 431         be called with function context set up.
 432         (pass_ipa_inline): Remove unreachable functions before pass.
 433         (cgraph_early_inlining): Simplify assuming to be called from the
 434         PM as local pass.
 435         (pass_early_inline): New pass.
 436         (cgraph_gate_ipa_early_inlining): New gate.
 437         (pass_ipa_early_inline): Turn into simple wrapper.
 438         (compute_inline_parameters): New function.
 439         (gate_inline_passes): New gate.
 440         (pass_inline_parameters): New pass.
 441         (apply_inline): Move here from tree-optimize.c
 442         (pass_apply_inline): New pass.
 443         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
 444         transforming.
 445         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
 446         doing them by hand.
 447         (tree_function_versioning): Do not allocate dummy struct function.
 448         * tree-inline.h (optimize_inline_calls): Update prototype.
 449         * tree-optimize.c (execute_fixup_cfg): Export.
 450         (pass_fixup_cfg): Remove
 451         (tree_rest_of_compilation): Do not apply inlines.
 452         * tree-flow.h (execute_fixup_cfg): Declare.
 453         * Makefile.in (gt-passes.c): New.
 454         * passes.c: Include gt-passes.h
 455         (init_optimization_passes): New passes.
 456         (nnodes, order): New static vars.
 457         (do_per_function_toporder): New function.
 458         (execute_one_pass): Dump current pass here.
 459         (execute_ipa_pass_list): Don't dump current pass here.
 460
 461 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 462
 463         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
 464         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
 465
 466 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
 467
 468         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
 469         (strong_alias): Define.
 470         (__gcc_qmul): Provide non-FMA for soft-float.
 471         (__gcc_qdiv): Same.
 472         (__gcc_qneg): New.
 473         (__gcc_qeq): New.
 474         (__gcc_qle): New.
 475         (__gcc_qge): New.
 476         (__gcc_qunord): New.
 477         (__gcc_stoq): New.
 478         (__gcc_dtoq): New.
 479         (__gcc_qtos): New.
 480         (__gcc_qtod): New.
 481         (__gcc_qtoi): New.
 482         (__gcc_qtou): New.
 483         (__gcc_itoq): New.
 484         (__gcc_utoq): New.
 485         (fmsub): New.
 486         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
 487         soft-float functions.
 488         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
 489         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
 490         about long double soft float.
 491
 492 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
 493             Tehila Meyzels  <tehila@il.ibm.com>
 494
 495         * tree-vectorizer.h (is_pattern_stmt_p): New.
 496         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
 497         formatting (tabs instead of spaces). Cleanup and clarify setting
 498         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
 499         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
 500         (vectorizable_type_demotion): Check that types are integral.
 501         (vectorizable_type_promotion): Likewise.
 502         (vectorizable_store): Fix typo.  Eliminate new-line at end of
 503         comments.
 504
 505 2007-01-16  Jan Hubicka  <jh@suse.cz>
 506
 507         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
 508         cgraph edges too.
 509
 510 2007-01-15  Eric Christopher  <echristo@apple.com>
 511
 512         * ifcvt.c: Include vec.h, vecprim.h.
 513         (check_cond_move_block): New argument regs.
 514         Reorganize. Add registers used to regs.
 515         (cond_move_process_if_block): Use regs set above as
 516         loop bounds.
 517
 518 2007-01-15  Eric Christopher  <echristo@apple.com>
 519
 520         * config/darwin.h: Update copyright.
 521         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
 522         (LINK_COMMAND_SPEC): Add -u.
 523         (LINK_SPEC): Fix umbrella for above.
 524
 525 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
 526
 527         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
 528         glibc CVS.
 529
 530 2007-01-15  Tom Tromey  <tromey@redhat.com>
 531
 532         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
 533         * doc/install.texi (Testing): Don't mention jacks.
 534         (Configuration): Document --enable-java-maintainer-mode.  Move
 535         --with-java-home to libgcj-specific section.  Document
 536         --with-ecj-jar.
 537         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
 538
 539 2007-01-15  Jan Hubicka  <jh@suse.cz>
 540
 541         * tree-ssa-dce.c (DCE_TODOs): New.
 542         (propagate_necessity): Return if something changed.
 543         (eliminate_unnecessary_stmts): Likewise.
 544         (perform_tree_ssa_dce): Return TODO flags when needed.
 545         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
 546
 547 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
 548
 549         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
 550         (fyl2x_extend<mode>xf3_i387): New insn pattern.
 551         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
 552         patterns using X87MODEF12 mode macro.  Extend operand 1
 553         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
 554         (log10<mode>2): Ditto.
 555         (log2<mode>2): Ditto.
 556         (log1p<mode>2): Ditto.
 557         (logb<mode>2): Ditto.
 558         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
 559         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
 560         (*fxtractxf3_i387): Rename from *fxtractxf3.
 561         (fxtract_extend<mode>xf3_i387): New insn pattern.
 562         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
 563         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
 564         and gen_fyl2xxf3_i387().
 565
 566 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
 567
 568         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
 569         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
 570         get_loop_exit_edges.  Changed return type to bool.
 571         * cfgloop.h (fix_loop_placement): Declaration removed.
 572
 573 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
 574
 575         * param.h (MIN_VECT_LOOP_BOUND): New.
 576         * params.def (MIN_VECT_LOOP_BOUND): New.
 577         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
 578         argument - minimum threshold for number of iterations.
 579         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
 580         argument to declaration.
 581         * tree-vect-analyze.c (vect_analyze_operations): Check value of
 582         MIN_VECT_LOOP_BOUND.
 583         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
 584         slpeel_tree_peel_loop_to_edge with additional argument.
 585         (vect_do_peeling_for_alignment): Likewise.
 586         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
 587
 588 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
 589
 590         PR target/30413
 591         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
 592         operands of size 1.
 593
 594 2007-01-14  Jan Hubicka  <jh@suse.cz>
 595
 596         * tree-dfa.c (remove_referenced_var): New function.
 597         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
 598         prune referenced vars list too.
 599         * tree-flow.h (remove_referenced_var): Declare.
 600
 601 2007-01-14  Jan Hubicka  <jh@suse.cz>
 602
 603         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
 604         separately.
 605         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
 606         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
 607         * except.h (verify_eh_throw_table_statements): Kill prototype.
 608         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
 609         into call exrepssions.
 610         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
 611         eh trhow verifier.
 612         * tree-cfg.c: Include pointer-set.h.
 613         (verify_node_sharing): Work on pointer set.
 614         (verify_eh_throw_stmt_node): New.
 615         (verify_stmts): Use pointers sets, verify throw_stmt.
 616
 617 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
 618
 619         * ipa-reference.c (analyze_function): Consider also addresses taken
 620         in phi nodes.
 621
 622 2007-01-12  Roger Sayle  <roger@eyesopen.com>
 623
 624         * c-typeck.c (null_pointer_constant_p): Replace use of
 625         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
 626         (build_c_cast): Likewise.
 627
 628 2007-01-12  Roger Sayle  <roger@eyesopen.com>
 629
 630         * tree.h (force_fit_type_double): Remove unused final argument.
 631         * c-common.c (constant_expression_warning): Replace use of
 632         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
 633         (convert_and_check): Likewise.
 634         (shorten_compare): Update call to force_fit_type_double.
 635         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
 636         * convert.c (convert_to_pointer): Update call to
 637         force_fit_type_double.
 638         * fold-const.c (force_fit_type_double): Remove overflowed_const
 639         argument.
 640         (int_const_binop, fold_convert_const_int_from_int,
 641         fold_convert_const_int_from_real, fold_div_compare,
 642         fold_sign_changed_comparison, fold_unary, fold_negate_const,
 643         fold_abs_const, fold_not_const): Remove the final argument from
 644         calls to force_fit_type_double.
 645
 646 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 647
 648         * configure.ac: Set insn to "nop" for spu-*-* also.
 649         * configure: Regenerate.
 650
 651 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
 652
 653         * builtins.def : Add BUILT_IN_FREE.
 654
 655 2007-01-12  Jan Hubicka  <jh@suse.cz>
 656
 657         PR tree-optimization/30443
 658         * tree-inline.c (tree_function_versioning): Do not optimize when
 659         cloning for inlining.
 660
 661 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
 662
 663         * doc/loop.texi: Document recording of loop exits.
 664         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
 665         (update_single_exits_after_duplication,
 666         update_single_exit_for_duplicated_loop,
 667         update_single_exit_for_duplicated_loops): Removed.
 668         (duplicate_loop_to_header_edge): Do not call
 669         update_single_exits_after_duplication and
 670         update_single_exit_for_duplicated_loops.
 671         (loop_version): Do not update single_exit information.
 672         (fix_loop_structure): Use record_loop_exits instead of
 673         mark_single_exit_loops.
 674         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
 675         the lists of loop exits.
 676         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
 677         split_edge, merge_blocks): Update the lists of loop exits.
 678         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
 679         loop_optimizer_init.
 680         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
 681         of mark_single_exit_loops.
 682         (loop_optimizer_finalize): Call release_recorded_exits.
 683         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
 684         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
 685         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
 686         update single exit information.
 687         * lambda-code.c (perfect_nestify): Ditto.
 688         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
 689         (mark_single_exit_loops): Removed.
 690         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
 691         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
 692         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
 693         functions.
 694         (get_loop_exit_edges, single_exit): Use recorded exit lists.
 695         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
 696         (verify_loop_structure): Verify consistency of the exit lists.
 697         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
 698         (set_single_exit): Removed.
 699         * cfgloop.h (struct loop_exit): New function.
 700         (struct loop): single_exit_ field replaced by exits field.
 701         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
 702         (struct loops): Added exits hash.
 703         (mark_single_exit_loops, set_single_exit): Declaration removed.
 704         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
 705
 706 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 707
 708         * doc/invoke.texi: Avoid use of @headitem.
 709
 710 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 711
 712         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
 713
 714 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 715
 716         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
 717         list of targets.
 718
 719 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
 720             Richard Sandiford  <richard@codesourcery.com>
 721
 722         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
 723         * config/m68k/m68k.opt: Resort options.
 724         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
 725
 726 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
 727             Richard Sandiford  <richard@codesourcery.com>
 728
 729         * doc/invoke.texi: Document the macros that are defined by
 730         m68k's -mtune and -mhard-float options.
 731         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
 732         (m68k_cpp_cpu_family): Likewise.
 733         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
 734         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
 735         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
 736         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
 737         (m68k_cpp_cpu_family): Likewise.
 738
 739 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 740
 741         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
 742         macros besides mc68000 as tuning macros.  Use a switch statement
 743         to set them and mcpu32.
 744
 745 2007-01-12  Julian Brown  <julian@codesourcery.com>
 746
 747         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
 748         (TARGET_68040_ONLY): Rename to...
 749         (TARGET_68040): ...this.
 750         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
 751         * config/m68k/m68k.md: Likewise.
 752
 753 2007-01-12  Julian Brown  <julian@codesourcery.com>
 754             Nathan Sidwell  <nathan@codesourcery.com>
 755             Richard Sandiford  <richard@codesourcery.com>
 756
 757         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
 758         the -mcpu= argument associated with the --with-cpu setting.
 759         Define M68K_DEFAULT_TUNE to the default -mtune= option,
 760         if different from the one implied by the -mcpu setting.
 761         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
 762         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
 763         * doc/invoke.texi: Mention ColdFire in the introduction to the
 764         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
 765         -mno-div and -mhard-float options.  Make -m68881 a synonym for
 766         -mhard-float.  Document the previously-undocumented -m5206e,
 767         -m528x, -m5307 and -m5407 options.  Tweak the existing option
 768         documentation for consistency.
 769         * doc/install.texi: Mention new --with-cpu arguments.
 770         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
 771         default CPU if neither -mcpu nor -march are specified.
 772         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
 773         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
 774         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
 775         using m68k_tune to decide between families that implement the
 776         same ISA.  Use m68k_tune to set __mcfv4e__.
 777         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
 778         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
 779         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
 780         (FL_ISA_C, FL_ISA_MMU): New macros.
 781         (MASK_COLDFIRE): Delete.
 782         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
 783         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
 784         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
 785         (TARGET_HARD_FLOAT): Do not define here.
 786         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
 787         (TUNE_68000): New macro.
 788         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
 789         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
 790         (TUNE_CFV2): Redefine in terms of m68k_tune.
 791         (uarch_type, target_device, fpu_type): New enums.
 792         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
 793         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
 794         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
 795         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
 796         (FL_FOR_isa_c): New macros.
 797         (m68k_isa): New enum.
 798         (m68k_target_selection): New structure.
 799         (all_devices, all_isas, all_microarchs): New tables.
 800         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
 801         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
 802         (MASK_ALL_CPU_BITS): Delete.
 803         (m68k_find_selection): New function.
 804         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
 805         Map the legacy target options to a combination of the new ones.
 806         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
 807         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
 808         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
 809         settings.
 810         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
 811         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
 812         properties.
 813         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
 814         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
 815         * config/m68k/m68k-devices.def: New file.
 816
 817 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 818             Nathan Sidwell  <nathan@codesourcery.com>
 819
 820         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
 821         (SUBTARGET_EXTRA_SPECS): New macros.
 822         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
 823         use %(asm_cpu_spec) instead.
 824         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
 825         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
 826         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
 827         (EXTRA_SPECS): Rename to...
 828         (SUBTARGET_EXTRA_SPECS): ...this.
 829
 830 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
 831             Richard Sandiford  <richard@codesourcery.com>
 832             Julian Brown  <julian@codesourcery.com>
 833
 834         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
 835         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
 836         to the configuration's default CPU.
 837         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
 838         Remove default masks.
 839         (m680[012]0-*-*): Set the default with_cpu to the first part of
 840         the target name.
 841         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
 842         (m68k*-*-linux): Extend the --with-cpu handling to...
 843         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
 844         and m68010.  Don't set target_cpu_default2.
 845         * doc/install.texi: Document --with-cpu for m68k.
 846         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
 847         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
 848         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
 849         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
 850         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
 851         (ASM_SPEC): Remove use of %(asm_cpu_default).
 852         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
 853         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
 854         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
 855         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
 856         __HAVE_FPU__ if TARGET_HARD_FLOAT.
 857         (TARGET_DEFAULT): Delete.
 858         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
 859         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
 860         (CPP_CPU_SPEC): Delete.
 861         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
 862         the appropriate string.
 863         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
 864         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
 865         (ASM_SPEC): Don't use %(asm_default_spec).
 866         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
 867         TARGET_DEFAULT and add MASK_68881.
 868         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
 869
 870 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 871
 872         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
 873         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
 874         MASK_68010 alongside MASK_68020.
 875         * doc/invoke.texi: Document -m68010.
 876         * config/m68k/m68k.opt (m68010): New.
 877         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
 878         if TUNE_68010.
 879         (TUNE_68010): New macro.
 880         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
 881         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
 882         (M68K_CPU_m68332): Add MASK_68010.
 883         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
 884         fallback definition.
 885         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
 886         defines.
 887         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
 888         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
 889         to all entries that use MASK_68020.
 890         (output_move_simode_const, output_move_himode, output_move_qimode)
 891         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
 892         instead of TARGET_68020 to select clr behavior.  Remove comment
 893         about there being no TARGET_68010.
 894         * config/m68k/m68k.md: Likewise throughout.
 895
 896 2007-01-12  Julian Brown  <julian@codesourcery.com>
 897
 898         * config/m68k/m68k.h (TARGET_ISAB): New macro.
 899         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
 900         * config/m68k/m68k.md: Likewise.
 901
 902 2007-01-12  Julian Brown  <julian@codesourcery.com>
 903
 904         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
 905         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
 906
 907 2007-01-12  Julian Brown  <julian@codesourcery.com>
 908
 909         * config/m68k/m68k.h (TUNE_68040_60): New macro.
 910         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
 911         * config/m68k/m68k.md: Likewise.
 912
 913 2007-01-12  Julian Brown  <julian@codesourcery.com>
 914             Richard Sandiford  <richard@codesourcery.com>
 915
 916         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
 917         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
 918         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
 919         TARGET_CPU32.
 920         (TARGET_CPU32): Rename to...
 921         (TUNE_CPU32): ...this.
 922         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
 923         (TUNE_CFV2): New macros.
 924         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
 925         remove conditions that are implied by TARGET_68020.
 926         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
 927         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
 928         (m68k_output_function_epilogue): Likewise.
 929         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
 930         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
 931         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
 932         non-68000 timings.  Refactor multiplication and division costs.
 933         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
 934         TUNE_CPU32 instead of TARGET_CPU32.
 935         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
 936         and TUNE_68060 instead of TARGET_68060.
 937         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
 938         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
 939         TARGET_CPU32.
 940         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
 941         && !TARGET_COLDFIRE" to choose between moveq and clr.
 942         Likewise in the unnamed movsf pattern.
 943         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
 944         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
 945         ashiftrt pattern.
 946
 947 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 948
 949         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
 950         of tabbing before backslashes.
 951
 952 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 953
 954         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
 955         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
 956         (ASM_OUTPUT_INTERNAL_LABEL): Define.
 957
 958 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
 959
 960         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
 961         find_interesting_uses_cond.
 962         (find_interesting_uses_cond): Use extract_cond_operands.
 963         (rewrite_use_compare): Use extract_cond_operands and
 964         force_gimple_operand_bsi.  Do not call update_stmt.
 965         (determine_use_iv_cost_condition): Use extract_cond_operands.
 966         Return cheaper of using original bound and changing the exit bound.
 967
 968 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
 969
 970         PR tree-optimization/29516
 971         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
 972         most_expensive_mult_to_index, addr_to_parts,
 973         create_mem_ref, maybe_fold_tmr): Make the type of
 974         fields of TARGET_MEM_REF sizetype.
 975         (move_fixed_address_to_symbol, move_pointer_to_base):
 976         New functions.
 977         * tree.def (TARGET_MEM_REF): Add comment on types of
 978         the operands.
 979
 980 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
 981
 982         * c-common.c (vector_types_convertible_p): Treat opaque types as
 983         always convertible if they have the same size, but not otherwise.
 984
 985 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
 986
 987         * ifcvt.c (struct noce_if_info): Add comments to the fields.
 988         Remove the b_unconditional field.
 989         (noce_try_sign_mask): Do not look at b_unconditional.
 990         (noce_process_if_block): Do not use merge_if_blocks.  Update
 991         the CFG here.  Do not set b_unconditional.
 992         (cond_move_process_if_block): Likewise.
 993         (find_cond_trap): Likewise.
 994         (check_cond_move_block): Require simple jump insns at the end
 995         of the basic block.
 996
 997 2007-01-11  Jan Hubicka  <jh@suse.cz>
 998
 999         PR tree-optimization/1046
1000         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1001         when alias info is not ready.
1002         (pass_tail_recursion): Do not require aliasing.
1003         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1004         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1005         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1006         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1007         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1008         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1009         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1010         before inlining.
1011         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1012         When aliasing is not build, mark statement as volatile.
1013
1014 2007-01-11  Tom Tromey  <tromey@redhat.com>
1015
1016         PR preprocessor/15185, PR preprocessor/20989:
1017         * doc/cppopts.texi <-MT>: Update description of algorithm for
1018         computing default target.
1019         <-M, -MD>: Reword "basename" text.
1020
1021 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1022
1023         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1024         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1025         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1026         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1027         fold_builtin_bswap, real_constp, fold_builtin_pow,
1028         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1029         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1030         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1031         * convert.c (convert_to_pointer): Likewise.
1032         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1033         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1034         const_binop, fold_convert_const_int_from_int,
1035         fold_convert_const_int_from_real,
1036         fold_convert_const_real_from_real, sign_bit_p,
1037         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1038         fold_sign_changed_comparison, fold_unary, fold_comparison,
1039         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1040         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1041         * print-tree.c (print_node_brief, print_node): Likewise.
1042         * stor-layout.c (place_field, layout_type): Likewise.
1043         * tree-chrec.c (keep_cast): Likewise.
1044         * tree.c (build_vector, build_real, build_real_from_int_cst,
1045         build_complex): Likewise.
1046
1047 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1048
1049         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1050         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1051
1052 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1053
1054         * configure.ac (strict1_warn): Rename to strict_warn.
1055         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1056         cc_set_by_configure, quoted_cc_set_by_configure,
1057         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1058         all_boot_languages, all_stagestuff): Remove.
1059         (target_list): Remove bootstrap targets.
1060         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1061         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1062         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1063         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1064         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1065         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1066         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1067         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1068         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1069         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1070         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1071         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1072         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1073         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1074         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1075         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1076         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1077         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1078         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1079         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1080         (mostlyclean): Adjust.
1081         (clean, distclean): Don't mention bootstrap stuff.
1082         * configure: Regenerate.
1083         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1084         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1085         treelang/config-lang.in (stagestuff): Remove.
1086         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1087         stageprofile, stagefeedback, stagestuff): Remove mention.
1088
1089 2007-01-11  Nick Clifton  <nickc@redhat.com>
1090
1091         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1092         Accept CONSTs.
1093         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1094         (mcore_arith_K_S_operand): Run the test for the S constraint not
1095         the test for the M constraint.
1096         (mcore_addsub_operand): Do not accept integer values that are
1097         larger than 32 bits.
1098         * config/mcore/mcore.md: Remove unused constraints from split.
1099         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1100         (addsi3): Likewise.
1101         (allocate_stack): Likewise.
1102         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1103         operands to 32 bits.
1104         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1105         INTVAL.
1106         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1107         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1108         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1109         mcore_output_bclri, mcore_output_andn, output_inline_const,
1110         mcore_output_move, mcore_output_movedouble): Likewise.
1111         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1112         (output_inline_const): Likewise.
1113         (output_inline_const): Fix format strings used in sprintf
1114         statements.
1115         * config/mcore/mcore-protos.h: Update prototypes for changed
1116         functions in mcore.c.
1117         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1118         HOST_WIDE_INT and not int.
1119         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1120         CONST_OK_FOR_N): Likewise.
1121         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1122         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1123         an INTVAL.
1124
1125 2007-01-10  Jan Hubicka  <jh@suse.cz>
1126
1127         * tree-vrp.c (remove_range_assertions): Release defs.
1128         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1129         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1130
1131 2007-01-10  Paul Brook  <paul@codesourcery.com>
1132
1133         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1134         * config/arm/arm.md (mulsi3subsi): New insn.
1135
1136 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1137
1138         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1139         (tree_transform_and_unroll_loop): New.
1140         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1141         Declare.
1142
1143 2007-01-10  Robert Kennedy <jimbob@google.com>
1144
1145         * fold-const.c (fold_comparison): Fold comparisons like (x *
1146         1000 < 0) to (x < 0).
1147
1148 2007-01-10  Ian Lance Taylor  <iant@google.com>
1149
1150         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1151         operands have the same priority.
1152
1153 2007-01-10  Tom Tromey  <tromey@redhat.com>
1154
1155         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1156         (fold_binary): Likewise.
1157         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1158         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1159         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1160         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1161         * langhooks.h (struct lang_hooks): Removed field
1162         'can_use_bit_fields_p'.
1163
1164 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
1165
1166         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1167
1168 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1169
1170         * function.c (get_last_funcdef_no): New function.
1171         * function.h (get_last_funcdef_no): Declare.
1172         * tree-inline.c (initialize_cfun): Add initialization.
1173         (tree_function_versioning): Cleanup.
1174
1175 2007-01-10  Jan Hubicka  <jh@suse.cz>
1176
1177         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1178         PHIs.
1179
1180 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1181             Ben Elliston  <bje@au.ibm.com>
1182
1183         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1184         for SAVE_NONLOCAL and Pmode for any other save level.
1185         * spu-protos.h (spu_restore_stack_block): Declare.
1186         * spu.md (save_stack_block): Remove.
1187         (restore_stack_block): Call spu_restore_stack_block.
1188         * spu.c (spu_restore_stack_block): New function.
1189         (spu_expand_epilogue): Remove old comment.
1190
1191 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1192
1193         PR tree-optimization/30322
1194         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1195         (cand_value_at): Return the value as aff_tree.
1196         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1197         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1198         aff_combination_mult): New functions.
1199         (aff_combination_add): Use aff_combination_add_cst.
1200         (aff_combination_convert): Allow conversions to a wider type.
1201         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1202         * tree-affine.h (aff_combination_mult): Declare.
1203
1204 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1205
1206         * doc/tm.texi: Update documentation to reflect reality of exec
1207         and start file search behaviours. Update copyright year.
1208         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1209         header file directories.
1210
1211 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1212
1213         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1214         (*cosxf2): Rename to cosxf2_i387.
1215         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1216         using X87MODEF12 mode macro. Rename patterns to
1217         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1218         for SSE math.
1219         (*cosdf2, *cossf2): Ditto.
1220         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1221         to match extended input operands.
1222         (sincos<mode>3): New expander.
1223         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1224         insn patterns and corresponding splitters.
1225
1226 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1227
1228         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1229         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1230
1231 2007-01-09  Nicolas Pitre  <nico@cam.org>
1232
1233         PR target/30173
1234         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1235
1236 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1237
1238         * target.h (struct gcc_target): New field library_rtti_comdat.
1239         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1240         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1241         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1242         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1243
1244 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1245
1246         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1247
1248 2007-01-08  Richard Guenther  <rguenther@suse.de>
1249
1250         * tree.h (force_fit_type_double): Export.
1251         (force_fit_type): Remove.
1252         * fold-const.c (force_fit_type_double): New function.
1253         (force_fit_type): Remove.
1254         (int_const_binop): Use it.
1255         (fold_convert_const_int_from_int): Likewise.
1256         (fold_convert_const_int_from_real): Likewise.
1257         (fold_div_compare): Likewise.
1258         (fold_sign_changed_comparison): Likewise.
1259         (fold_unary): Likewise.
1260         (fold_negate_const): Likewise.
1261         (fold_abs_const): Likewise.
1262         (fold_not_const): Likewise.
1263         * c-common.c (shorten_compare): Use force_fit_type_double.
1264         * convert.c (convert_to_pointer): Likewise.
1265
1266 2007-01-08  Richard Guenther  <rguenther@suse.de>
1267
1268         * tree.h (build_int_cst_wide_type): Export.
1269         * tree.c (build_int_cst_wide_type): New function.
1270         (build_int_cst_wide): Fix comment.
1271         * builtins.c (fold_builtin_object_size): Use build_int_cst
1272         to build -1 or 0 of the correct type.  Use fit_double_type
1273         to check for overflow.
1274         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1275         to build the mask.
1276         (decode_field_reference): Likewise.
1277         (all_ones_mask_p): Likewise.
1278         (native_interpret_int): Use build_int_cst_wide_type.
1279         (fold_binary): Use build_int_cst_type to build an all-ones
1280         value.
1281         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1282
1283 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1284
1285         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1286
1287 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1288
1289         * genautomata.c (STATS_OPTION): New option.
1290         (stats_flag): New flag.
1291         (gen_automata_option): Handle it.
1292         (initiate_automaton_gen): Ditto.
1293         (write_automata): Output statistics only if stats_flag is
1294         set. Likewise, output time statistics only if time_flag is set.
1295         * doc/md.texi (Processor pipeline description): Document new flag.
1296
1297 2007-01-08  Richard Guenther  <rguenther@suse.de>
1298
1299         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1300         * tree.c (build_int_cst_type): Likewise.
1301         (size_in_bytes): Don't call force_fit_type on the result.
1302         (int_fits_type_p): Use fit_double_type.
1303         * fold-const.c (fit_double_type): New function.
1304         (force_fit_type): Use it.
1305         * tree.h (fit_double_type): Export.
1306
1307 2007-01-08  Jan Hubicka  <jh@suse.cz>
1308
1309         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1310         * ipa.c (function_and_variable_visibility): Fix return type.
1311
1312 2007-01-08  Richard Guenther  <rguenther@suse.de>
1313
1314         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1315         of offset to build the index.
1316         * tree-pretty-print.c (dump_generic_node): Don't build negated
1317         const just for printing.
1318         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1319         * builtins.c (fold_builtin_int_roundingfn): Check if result
1320         fits the type by using force_fit_type and comparing the result.
1321         * predict.c (predict_loops): Use compare_tree_int for comparison.
1322         * tree.c (build_int_cst): Fall back to integer_type_node for
1323         NULL_TREE type.
1324         (build_int_cst_wide): Assert type is non-null.
1325
1326 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1327
1328         * tree-vrp.c (extract_range_from_cond_expr): New.
1329         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1330         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1331         as expressions.
1332         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1333         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1334         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1335         used as expressions.
1336         * tree-object-size.c (cond_expr_object_size): New.
1337         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1338
1339 2007-01-08  Jan Hubicka  <jh@suse.cz>
1340
1341         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1342         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1343         statement.
1344
1345 2007-01-08  Richard Guenther  <rguenther@suse.de>
1346
1347         PR tree-optimization/23603
1348         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1349         (extract_range_from_binary): Fall back to truthvalue instead of
1350         varying for TRUTH_*_EXPR.
1351         (extract_range_from_comparison): Fall back to truthvalue instead of
1352         varying.
1353         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1354         if all visited PHI values were constant.
1355
1356 2007-01-08  Jan Hubicka  <jh@suse.cz>
1357
1358         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1359         (cgraph_analyze_function): break out from ...
1360         (cgraph_finalize_compilation_unit): ... here.
1361         (cgraph_expand_function): Remove forgoten commented out line.
1362         (cgraph_optimize): Analyze functions.
1363
1364 2007-01-08  Jan Hubicka  <jh@suse.cz>
1365
1366         * tree-pas.h (TODO_remove_function): New flag.
1367         (TODO_update*): Renumber.
1368         (pass_ipa_increase_alignment,
1369         pass_ipa_function_and_variable_visibility): New passes.
1370         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1371         (cgraph_function_and_variable_visibility): Move to ipa.c
1372         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1373         cgraph_increase_alignment.
1374         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1375         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1376         calling tree-inline.
1377         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1378         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1379         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1380         (gate_increase_alignment): New function.
1381         (pass_ipa_increase_alignment): New pass.
1382         * ipa.c: Inline tree-pass.h and timevar.h
1383         (function_and_variable_visibility): Move here from cgraphunit.c
1384         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1385         * passes.c (init_optimization_passes): Add the two new passes.
1386         (execute_todo): Handle cgraph_remove_functions.
1387
1388 2007-01-08  Nick Clifton  <nickc@redhat.com>
1389
1390         * config/frv/predicates.md (reg_or_0_operand): Accept
1391         CONST_DOUBLEs.
1392
1393 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
1394
1395         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1396         * config.gcc: Add bfin*-rtems*.
1397
1398 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1399
1400         * c.opt: Add -flax-vector-conversions.
1401         * c-typeck.c (convert_for_assignment): Pass flag to
1402         vector_types_convertible_p to allow emission of note.
1403         (digest_init): Likewise.
1404         * c-opts.c: Handle -flax-vector-conversions.
1405         * c-common.c (flag_lax_vector_conversions): New.
1406         (vector_types_convertible_p): Unless -flax-vector conversions
1407         has been passed, disallow conversions between vectors with
1408         differing numbers of subparts and/or element types.  If such
1409         a conversion is disallowed, possibly emit a note on the first
1410         occasion only to inform the user of -flax-vector-conversions.
1411         The new last argument specifies this.
1412         * c-common.h (flag_lax_vector_conversions): New.
1413         (vector_types_convertible_p): Add extra argument.
1414         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1415         char_type_node for V*QI type vectors.
1416         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1417         Update to satisfy new typechecking rules.
1418         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1419         C and C++ variants.
1420         * doc/invoke.texi (C Dialect Options): Document
1421         -flax-vector-conversions.
1422
1423 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1424
1425         PR tree-optimization/29877
1426         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1427         a register variable on the RHS to not be replaceable.
1428
1429 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1430         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1431         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1432         const_simm15, const_pow2, const_npow2): Added.
1433         * config/score/misc.md (insv, extv, extzv, movmemsi,
1434         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1435         * config/score/score.c (score_address_cost, score_select_cc_mode):
1436         Added.
1437         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1438         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1439         Update score_print_operand.
1440         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1441         Adjust register allocate order and update some macro define.
1442         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1443         mdx_block_move_straight, mdx_block_move_loop_head,
1444         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1445         mdx_block_move): Added.
1446         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1447         mdp_limm): Updated and fix some bug and typo.
1448         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1449         (movsf, movdf, doloop_end): Added.
1450
1451 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1452
1453         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1454         config/arm/thumb2.md: Fix comment typos.
1455         * doc/extend.texi: Fix a typo.
1456
1457 2007-01-07  Eric Christopher  <echristo@apple.com>
1458
1459         * configure.ac: Check for __stack_chk_fail for darwin.
1460         * configure: Regenerate.
1461
1462 2007-01-07  Richard Guenther  <rguenther@suse.de>
1463
1464         * tree-vrp.c (extract_range_from_assert): CSE calls to
1465         compare_values where possible.
1466         (extract_range_from_unary_expr): Likewise.
1467
1468 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1469
1470         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1471         * config/avr/avr.c (call_insn_operand): Delete function.
1472         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1473         instead of register number. Use predicates.
1474         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1475         call_insn_operand): Add.
1476
1477 2007-01-06  Jan Hubicka  <jh@suse.cz>
1478
1479         * tree-pass.h (pass_build_cgraph_edges): Declare.
1480         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1481         (visited_nodes): Remove.
1482         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1483         build_cgrpah_edges; make visited_nodes local.
1484         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1485         (record_references_in_initializer): Move to cgraphbuild.c
1486         (initialize_inline_failed, rebuild_cgraph_edges,
1487         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1488         (verify_cgraph_node): Make visited_nodes local.
1489         (cgraph_analyze_function): Do not call cgraph_create_edges and
1490         initialize_inline_failed.
1491         (cgraph_expand_function): Do not call cgraph_lower_function;
1492         assert that function is already lowered.
1493         * Makefile.in (cgraphbuild.o): New.
1494         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1495         at the end of lowering passes.
1496
1497 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1498
1499         * ifcvt.c (cond_move_convert_if_block): New function, code
1500         factored out from...
1501         (cond_move_process_if_block): ...here.  Call the new function
1502         on the THEN and ELSE blocks.
1503         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1504         already takes care of this.
1505
1506 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1507
1508         PR c/19978
1509         * tree.h (TREE_OVERFLOW_P): New.
1510         * c-typeck.c (parser_build_unary_op): Warn only if result
1511         overflowed and operands did not.
1512         (parser_build_binary_op): Likewise.
1513         (convert_for_assignment): Remove redundant overflow_warning.
1514         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1515
1516 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1517
1518         * c-typeck.c (store_init_value): Split over two lines to follow
1519         the GNU coding style.
1520
1521 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1522
1523         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1524         __GXX_EXPERIMENTAL_CXX0X__.
1525         * doc/cpp.texi: Same.
1526
1527 2007-01-05  Richard Guenther  <rguenther@suse.de>
1528
1529         PR middle-end/27826
1530         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1531         with mismatched types.  Instead explicitly build a
1532         conversion NOP_EXPR.
1533
1534 2007-01-05  Ian Lance Taylor  <iant@google.com>
1535
1536         * c-common.c (decl_with_nonnull_addr_p): New function.
1537         (c_common_truthvalue_conversion): Call it.
1538         * c-typeck.c (build_binary_op): Likewise.
1539         * c-common.h (decl_with_nonnull_addr_p): Declare.
1540
1541 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1542
1543         PR c/30360
1544         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1545         denom against 0.0.
1546
1547 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1548
1549         * doc/install.texi (Final install): Document the fact that
1550         the GNAT runtime should not be stripped.
1551
1552 2007-01-04  Jan Hubicka  <jh@suse.cz>
1553
1554         * tree-inline.c (fold_marked_statements): Update operand caches
1555         and EH after folding
1556
1557 2007-01-04  Ian Lance Taylor  <iant@google.com>
1558
1559         * c-common.c (check_function_nonnull): Whitespace fix.
1560
1561 2007-01-04  Jan Hubicka  <jh@suse.cz>
1562
1563         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1564         comitted older version of patch.
1565         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1566         function, celanup cfg and collect garbage.
1567
1568 2007-01-04  Mike Stump  <mrs@apple.com>
1569
1570         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1571         (clean): Likewise.
1572
1573 2007-01-04  Eric Christopher  <echristo@apple.com>
1574
1575         * libgcc2.c (__bswapsi2): Use SItype.
1576         (__bswapdi2): Use DItype.
1577         * libgcc2.h: Update for above.
1578
1579 2007-01-04  Paul Brook  <paul@codesourcery.com>
1580
1581         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1582         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1583         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1584         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1585         umulsi3_highpart): Make conditional on !arm_arch6.
1586         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1587         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1588         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1589         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1590         umulsi3_highpart_v6): New insns.
1591
1592 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1593
1594         * fold-const.c (fold_convert): When casting an expression to void,
1595         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1596         have a type.  Instead of attempting to build a NOP_EXPR, return
1597         these "special" trees directly.
1598
1599 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1600
1601         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1602         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1603         rs6000_cost->fp not 0 as adjustment for outer NEG.
1604
1605 2007-01-04  Jan Hubicka  <jh@suse.cz>
1606
1607         * cgraph.c (cgraph_release_function_body): New function.
1608         (cgraph_remove_node): Use it.
1609         * cgraph.h (cgraph_release_function_body): Declare.
1610         * cgraphunit.c (cgraph_expand_function): Use it.
1611         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1612         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1613         is initialized and while compilation of other function is running.
1614         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1615         statement CFG annotations from here to ...
1616         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1617
1618 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
1619
1620         * cfgloop.h (enum li_flags): Make the constants powers of two.
1621
1622 2007-01-04  Jan Hubicka  <jh@suse.cz>
1623
1624         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1625         set.
1626         (fold_marked_statements): New function.
1627         (optimize_inline_calls, tree_function_versioning): Fold new statements.
1628         * tree-inline.h (copy_body_data): Add statements_to_fold.
1629
1630 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
1631
1632         * config.gcc: Mention libgcc/config.host.
1633         * Makefile.in: Update comments mentioning libgcc.
1634         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1635         (all.cross, start.encap, rest.encap, rest.cross): Update
1636         dependencies for libgcc move.
1637         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1638         (clean-target, clean-target-libgcc): Delete.
1639         (srcdirify, GCC_EXTRA_PARTS): New macros.
1640         (libgcc-support, libgcc.mvars): New rules.
1641         (distclean): Remove mention of mklibgcc.
1642         (install): Don't reference INSTALL_LIBGCC.
1643         (install-common): Don't reference EXTRA_PARTS.
1644         (install-libgcc, install-multilib): Delete rules.
1645         * mklibgcc.in: Delete file.
1646         * doc/configfiles.texi: Don't mention mklibgcc.
1647
1648         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1649         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1650         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1651         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1652         (mklibgcc, ldblspecs): Likewise.
1653
1654         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1655         (posixpre.def): Use $(T).
1656         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1657         (SHLIB_SRC, SHLIB_INSTALL): Delete.
1658         (SHLIB_LINK): Make dummy.
1659         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1660
1661         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1662
1663         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1664         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1665         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1666         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1667
1668         * configure.ac (all_outputs): Remove mklibgcc.
1669         * configure: Regenerated.
1670
1671 2007-01-03  Josh Conner  <jconner@apple.com>
1672
1673         PR middle-end/29683
1674         * calls.c (compute_argument_addresses): Set stack and stack_slot
1675         for partial args, too.
1676         (store_one_arg): Use locate.size.constant for the size when
1677         generating a save_area.
1678
1679 2007-01-03  Robert Kennedy <jimbob@google.com>
1680
1681         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1682         whose definitions are deleted due to basic block merging.
1683
1684 2007-01-03  Paul Brook  <paul@codesourcery.com>
1685
1686         PR target/16634
1687         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1688         functions.
1689         (use_return_insn): Return 0 for Thumb interrupt functions.
1690         (print_multi_reg): Add rfe argument for IRQ returns.
1691         (arm_output_epilogue): Pop interrupt return address directly into PC.
1692         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1693
1694 2007-01-03  Paul Brook  <paul@codesourcery.com>
1695
1696         Merge from sourcerygxx-4_1.
1697         * config/arm/thumb2.md: New file.
1698         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1699         Thumb-2.
1700         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1701         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1702         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1703         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1704         tables.
1705         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1706         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1707         comptibility.
1708         * config/arm/ieee754-sf.S: Ditto.
1709         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1710         (thumb1_base_register_rtx_p): ... to this.
1711         (thumb_index_register_rtx_p): Rename...
1712         (thumb1_index_register_rtx_p): ... to this.
1713         (thumb_output_function_prologue): Rename...
1714         (thumb1_output_function_prologue): ... to this.
1715         (thumb_legitimate_address_p): Rename...
1716         (thumb1_legitimate_address_p): ... to this.
1717         (thumb_rtx_costs): Rename...
1718         (thumb1_rtx_costs): ... to this.
1719         (thumb_compute_save_reg_mask): Rename...
1720         (thumb1_compute_save_reg_mask): ... to this.
1721         (thumb_final_prescan_insn): Rename...
1722         (thumb1_final_prescan_insn): ... to this.
1723         (thumb_expand_epilogue): Rename...
1724         (thumb1_expand_epilogue): ... to this.
1725         (arm_unwind_emit_stm): Rename...
1726         (arm_unwind_emit_sequence): ... to this.
1727         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1728         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1729         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1730         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1731         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1732         thumb2_output_casesi): New functions.
1733         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1734         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1735         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1736         THUMB2_WORK_REGS): Define.
1737         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1738         arm_condexec_mask, arm_condexec_masklen)): New variables.
1739         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1740         (arm_override_options): Check new CPU capabilities.
1741         Set new architecture flag variables.
1742         (arm_isr_value): Handle v7m interrupt functions.
1743         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
1744         Thumb-2.
1745         (const_ok_for_arm): Handle Thumb-2 constants.
1746         (arm_gen_constant): Ditto.  Use movw when available.
1747         (arm_function_ok_for_sibcall): Return false for v7m interrupt
1748         functions.
1749         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1750         (thumb_find_work_register, arm_load_pic_register,
1751         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1752         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1753         print_multi_reg, output_mov_long_double_fpa_from_arm,
1754         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1755         output_mov_double_fpa_from_arm, output_move_double,
1756         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1757         output_return_instruction, arm_output_function_prologue,
1758         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1759         arm_output_mi_thunk, thumb_set_return_address): Ditto.
1760         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
1761         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1762         (arithmetic_instr, shift_op): Use arm_shift_nmem.
1763         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
1764         '!' and 'L'.
1765         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1766         (thumb_expand_prologue): Use thumb_set_frame_pointer.
1767         (arm_file_start): Output directive for unified syntax.
1768         (arm_unwind_emit_set): Handle stack alignment instruction.
1769         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1770         Add v6t2, v7, v7a, v7r and v7m.
1771         (RETLDM): Add Thumb-2 code.
1772         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1773         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1774         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1775         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1776         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1777         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1778         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1779         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1780         ADJUST_INSN_LENGTH): Define.
1781         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1782         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1783         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1784         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1785         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1786         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1787         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1788         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1789         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1790         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1791         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1792         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1793         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1794         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1795         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1796         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1797         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1798         cortex-m3.
1799         * config/arm/arm-tune.md: Regenerate.
1800         * config/arm/arm-protos.h: Update prototypes.
1801         * config/arm/vfp.md: Enable patterns for Thumb-2.
1802         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
1803         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1804         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1805         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1806         * config/arm/libunwind.S: Add Thumb-2 code.
1807         * config/arm/constraints.md: Update include Thumb-2.
1808         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1809         * config/arm/ieee754-df.S: Ditto.
1810         * config/arm/bpabi.S: Ditto.
1811         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1812         * config/arm/predicates.md (low_register_operand,
1813         low_reg_or_int_operand, thumb_16bit_operator): New.
1814         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1815         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1816         * config/arm/t-arm-elf: Add armv7 multilib.
1817         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1818         Include thumb2.md.
1819         (UNSPEC_STACK_ALIGN, ce_count): New.
1820         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1821         arm_zero_extendsidi2, arm_zero_extendqidi2): New
1822         insns/expanders.
1823         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1824         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1825         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1826         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1827         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1828         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1829         insns.
1830         * doc/extend.texi: Document ARMv7-M interrupt functions.
1831         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1832
1833 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
1834
1835         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1836         (struct _Unwind_Context): Rename args_size to flags, remove
1837         signal_frame field, add a new args_size field and version field.
1838         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1839         _Unwind_IsExtendedContext): New inline functions.
1840         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1841         Assume by_value array is only present if _Unwind_IsExtendedContext.
1842         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1843         _Unwind_IsSignalFrame.
1844         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1845         (uw_update_context_1): Use _Unwind_SetSignalFrame.
1846         (uw_init_context_1): Initialize context->flags to
1847         EXTENDED_CONTEXT_BIT.
1848         * config/rs6000/linux-unwind.h (frob_update_context): Use
1849         _Unwind_SetSignalFrame.
1850
1851 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1852
1853         PR middle-end/30353
1854         * gimplify.c (gimplify_modify_expr_complex_part): Move below
1855         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
1856         the value.
1857
1858 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
1859
1860         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1861         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1862         RET, AT_SP): Remove.
1863         * config/i386/i386.md (*sse_prologue_save_insn): Use return
1864         instead of RET.
1865
1866         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1867         * cfgbuild.c (find_basic_blocks): Likewise.
1868         * cfgrtl.c (rtl_create_basic_block): Likewise.
1869         * function.c (temp_slots_at_level): Likewise.
1870         * reg-stack.c (stack_regs_mentioned): Likewise.
1871         * regclass.c (allocate_reg_info): Likewise.
1872         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1873         set_bb_for_stmt, move_block_to_fn): Likewise.
1874         * tree-complex.c (tree_lower_complex): Likewise.
1875         * vec.h (VEC_safe_grow_cleared): New.
1876
1877         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1878
1879 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1880
1881         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1882         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1883         to loop_version.
1884         * cfgloopmanip.c (scale_loop_frequencies): Export.
1885         (loopify): Scale the frequencies by prescribed coefficients.
1886         (set_zero_probability): New function.
1887         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1888         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1889         and frequencies according to arguments.
1890         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1891         correctly.
1892         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1893         * modulo-sched.c (sms_schedule): Set probabilities for entering
1894         versioned loop correctly.
1895         * tree-vect-transform.c (vect_transform_loop): Ditto.
1896         * cfgloop.h (loopify, loop_version): Declaration changed.
1897         (scale_loop_frequencies): Declared.
1898
1899 2007-01-02  Jan Hubicka  <jh@suse.cz>
1900
1901         * cgraph.c: Include tree-flow.h
1902         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1903         early_local_passes.
1904         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1905         * tree-pass.h (pass_all_early_optimizations): Declare.
1906         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1907         early_local_passes.
1908         (cgraph_analyze_function): Do early_local_passes.
1909         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1910         Do not add referenced vars.
1911         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1912         SSA form.
1913         (gate_all_early_local_passes): New gate.
1914         (pass_early_local_passes): Use new gate.
1915         (execute_early_local_optimizations): New functions.
1916         (gate_all_early_optimizations): New gate.
1917         (pass_all_early_optimizations): New pass.
1918         (execute_free_datastructures): Free SSA only when initialized.
1919         (gate_init_datastructures): Init only when optimizing.
1920         (tree_lowering_passes): Do early local passes when called late.
1921         * tree-profile.c (do_tree_profiling): Don't profile functions added
1922         late.
1923         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1924         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1925         not active.
1926         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1927         during early_local_passes.
1928         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1929
1930
1931 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1932
1933         * Makefile.in: Update copyright year.
1934
1935 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1936
1937         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1938         in $(lang_checks) and check-consistency targets.
1939
1940 2007-01-02  Jan Hubicka  <jh@suse.cz>
1941
1942         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1943         Do not add referenced vars.
1944         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1945         are not active.
1946         * passes.c (init_optimization_passes): Put mudflap_2 after
1947         free_datastructures.
1948
1949 2007-01-02  Jan Hubicka  <jh@suse.cz>
1950
1951         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1952         Set NOTHROW flag on call statements proved to be nothrow.
1953         Update statement of local calls so new pure/const functions are
1954         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1955         goto receivers.
1956         (tree_rest_of_compilation): Register hooks and initialize bitmap
1957         early. Do not set after_inlining flag.
1958
1959 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1960
1961         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1962         HOST_BITS_PER_LONGLONG
1963
1964 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1965
1966         PR c/19977
1967         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1968         warning for non-static initializers.
1969
1970 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1971
1972         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1973         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1974         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1975         Always use set_unique_reg_note to add REG_EQUAL notes.
1976
1977 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1978
1979         Revert:
1980         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1981
1982         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1983         * cfgbuild.c (find_basic_blocks): Likewise.
1984         * cfgrtl.c (rtl_create_basic_block): Likewise.
1985         * function.c (temp_slots_at_level): Likewise.
1986         * reg-stack.c (stack_regs_mentioned): Likewise.
1987         * regclass.c (allocate_reg_info): Likewise.
1988         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1989         set_bb_for_stmt, move_block_to_fn): Likewise.
1990         * tree-complex.c (tree_lower_complex): Likewise.
1991         * vec.h (VEC_safe_grow_cleared): New.
1992
1993 2007-01-02  Ian Lance Taylor  <iant@google.com>
1994
1995         * c-common.c (c_common_truthvalue_conversion): When warning about
1996         using an assignment as a truth value, set TREE_NO_WARNING.
1997
1998 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1999
2000         PR middle-end/7651
2001         * c.opt (Wold-style-declaration): New.
2002         * doc/invoke.texi (C-only Warning Options): New.
2003         (Wold-style-declaration): Document it.
2004         (Wextra): Enabled by -Wextra.
2005         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2006         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2007         -Wold-style-declaration.
2008
2009 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2010
2011         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2012         * cfgbuild.c (find_basic_blocks): Likewise.
2013         * cfgrtl.c (rtl_create_basic_block): Likewise.
2014         * function.c (temp_slots_at_level): Likewise.
2015         * reg-stack.c (stack_regs_mentioned): Likewise.
2016         * regclass.c (allocate_reg_info): Likewise.
2017         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2018         set_bb_for_stmt, move_block_to_fn): Likewise.
2019         * tree-complex.c (tree_lower_complex): Likewise.
2020         * vec.h (VEC_safe_grow_cleared): New.
2021
2022 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2023
2024         * c-common.c(c_common_nodes_and_builtins): Since variants of
2025         void_type_node get built before it is given a name, we need to
2026         give those variants the name, too.
2027         (complete_array_type): We need to work with the canonical main
2028         type of the array, from which we will build the qualified version.
2029         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2030         * print-tree.c (print_node): Display canonical type information
2031         for each type.
2032         * stor-layout.c (layout_type): When we don't know the
2033         alignment of a type for which we're building an array, we end up
2034         guessing wrong, so make the type require structural equality.
2035         * tree.c (make_node_stat): When we build a new type, it is its
2036         own canonical type.
2037         (build_type_attribute_qual_variant): When building an attribute
2038         variant, its canonical type is the non-attribute variant. However,
2039         if the attributes are target-dependent and they differ, we need to
2040         use structural equality checks for this type.
2041         (build_qualified_type): A qualified type is not equivalent to its
2042         unqualified variant; set the canonical type appropriately.
2043         (build_distinct_type_copy): When building a distinct type from
2044         another type, the new type is its own canonical type.
2045         (build_variant_type_copy): When building a new type variant, we
2046         assume that it is equivalent to the original type.
2047         (build_pointer_type_for_mode): When building a pointer type, also
2048         build a canonical type pointer.
2049         (build_reference_type_for_mode): When building a reference type,
2050         also build a canonical type reference.
2051         (build_index_type): When we can't hash an index type (e.g.,
2052         because its maximum value is negative), the index type requires
2053         structural equality tests.
2054         (build_array_type): Build the canonical form of an array type.
2055         (build_function_type): Function types require structural equality,
2056         because they contain default arguments, attributes, etc.
2057         (build_method_type_directly): Ditto for method types.
2058         (build_offset_type): Build the canonical offset type.
2059         (build_complex_type): Build the canonical vector type.
2060         (make_vector_type): Build the canonical vector type.
2061         * tree.h (TYPE_CANONICAL): New.
2062         (TYPE_STRUCTURAL_EQUALITY_P): New.
2063         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2064         (struct tree_type): Added "canonical" field.
2065         * params.h (VERIFY_CANONICAL_TYPES): New.
2066         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2067         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2068         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2069         * doc/invoke.texi (verify-canonical-types): Document --param
2070         parameter for verifying canonical types.
2071
2072 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2073
2074         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2075         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2076         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2077         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2078         tm_file.
2079         * config/rs6000/e500.h: New.
2080         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2081         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2082         Remove.
2083         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2084         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2085         TARGET_E500_DOUBLE): Remove.
2086         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2087         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2088         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2089         * config/rs6000/rs6000.c (rs6000_override_options): Use
2090         CHECK_E500_OPTIONS.
2091
2092 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2093
2094         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2095         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2096         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2097         rs6000_emit_cmove): Don't check TARGET_E500.
2098         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2099         sordered): Don't check TARGET_E500.
2100
2101 2007-01-01  Eric Christopher  <echristo@apple.com>
2102
2103         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2104         HARD_REGISTER_NUM_P.
2105
2106 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2107
2108         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2109         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2110         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2111         eq/ne Y".
2112
2113 2007-01-01  Mike Stump  <mrs@apple.com>
2114
2115         * configure.ac: Remove support for building with Apple's gcc-3.1.
2116
2117 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2118
2119         PR middle-end/30311
2120         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2121         REG is a hard register.  Do not modify REG before calling
2122         subreg_nregs.
2123         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2124         multiple of the size of YMODE for certain lowpart cases.
2125
2126 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2127
2128         PR middle-end/30253
2129         * gimplify (voidify_wrapper_expr): Update for
2130         GIMPLE_MODIFY_STMT.
2131
2132 2007-01-01  Andreas Schwab  <schwab@suse.de>
2133
2134         PR target/29166
2135         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2136         save of BR0 in extra_spill_size instead of spill_size.
2137         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2138         area.
2139         (ia64_expand_epilogue): Restore BR0 from its new location.
2140
2141 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2142
2143         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2144         Use a temporary variable if the left hand side is not a gimple
2145         register.
2146
2147 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2148
2149         * gimplify.c (gimplify_return_expr): Make the temporary variable
2150         for the return expression, a gimple register variable.
2151
2152 2007-01-01  Jan Hubicka  <jh@suse.cz>
2153
2154         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2155         INSN_LIST.
2156
2157 2007-01-01  Mike Stump  <mrs@apple.com>
2158
2159         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2160         .literal16.
2161         * config/darwin.c (machopic_select_rtx_section): Use
2162         HAVE_GAS_LITERAL16.
2163         (darwin_mergeable_constant_section): Likewise.
2164         * configure: Regenerate.
2165         * config.in: Regenerate.
2166
2167 2007-01-01  Jan Hubicka  <jh@suse.cz>
2168             Andrew Pinski  <pinskia@gmail.com>
2169
2170         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2171         before starting IPA passes.