gcc/ChangeLog

   1 2007-03-06  Jan Hubicka  <jh@suse.cz>
   2
   3         * errors.h (warning, error, fatal, internal_error): Mark as cold.
   4         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
   5         are hot.
   6         (probably_cold_bb_p): Cold functions are cold.
   7         (probably_never_executed_bb_p): Cold functions are cold.
   8         (tree_bb_level_predictions): Predict calls to cold functions as not
   9         taken.
  10         (compute_function_frequency): Check hot/cold attributes.
  11         * function.h (function_frequency): Update comments.
  12         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
  13         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
  14         (c_common_att): Add cold and hot.
  15
  16         * doc/extend.texi (hot,cold attributes): Document.
  17
  18 2007-03-06  Andrew Haley  <aph@redhat.com>
  19
  20         * function.c (expand_function_end): Move blockage to just after we
  21         emit the label for the naked return from the function.
  22
  23 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  24
  25         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
  26         before redefining.
  27
  28 2007-03-06  Jan Hubicka  <jh@suse.cz>
  29
  30         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
  31         loaded for constant large models.  Non-large 64bit PIC can do.
  32         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
  33         * cmodel.h: Add LARGE PIC.
  34         * i386.md (UNSPEC_PLTOFF): New.
  35         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
  36         needed.
  37         (*call_1_rex64): Disable for large models.
  38         (*call_1_rex64_large): New.
  39         (*call_value_1_rex64): Disable for large models.
  40         (*call_value_1_rex64_large): New.
  41         (set_rip_rex4): New.
  42         (set_got_offset_rex64): New.
  43         * predicates.md (constant_call_address_operand): For large model
  44         constant calls are not possible.
  45         * i386-protos.h (construct_plt_address): Declare.
  46         * i386.c (override_options): Accept large models.
  47         (ix86_expand_prologue): Expand large PIC GOT pointer load.
  48         (legitimate_constant_p): Add new UNSPECs.
  49         (legitimate_pic_operand_p): Likewise.
  50         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
  51         (legitimize_pic_address): Do easy RIP relative way for TLS only for
  52         non-large model.
  53         (output_pic_addr_const): Add PLTOFF.
  54         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
  55         (ix86_expand_move): Legitimize pic address when in PIC mode.
  56         (construct_plt_address): New function.
  57         (ix86_expand_call): Offload the address to register and use GOT pointer
  58         for large model.
  59         * invoke.texi (mcmodel=large): Update documentation.
  60
  61 2007-03-06  Richard Henderson  <rth@redhat.com>
  62
  63         * config/i386/i386.c (x86_use_leave, x86_push_memory,
  64         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
  65         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
  66         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
  67         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
  68         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
  69         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
  70         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
  71         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
  72         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
  73         x86_partial_reg_dependency, x86_memory_mismatch_stall,
  74         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
  75         x86_sse_partial_reg_dependency, x86_sse_split_regs,
  76         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
  77         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
  78         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
  79         x86_schedule, x86_use_bt, x86_pad_returns): Merge into ...
  80         (ix86_tune_features): ... here.  New array.
  81         (x86_cmove, x86_use_xchgb, x86_cmpxchg, x86_cmpxchg8b,
  82         x86_xadd, x86_bswap): Merge into ...
  83         (ix86_arch_features): ... here.  New array.
  84         (x86_3dnow_a): Remove.
  85         (x86_accumulate_outgoing_args): Make static.
  86         (x86_arch_always_fancy_math_387): Make static.
  87         (ix86_tune_mask, ix86_arch_mask): Move ...
  88         (override_options): ... to local variables here.  Apply the
  89         appropriate mask to each element of ix86_arch_features and
  90         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
  91         as were done in the old macros.
  92         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
  93         * config/i386/i386.h (x86_use_leave, x86_push_memory,
  94         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
  95         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
  96         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
  97         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
  98         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
  99         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
 100         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
 101         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
 102         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
 103         x86_partial_reg_dependency, x86_memory_mismatch_stall,
 104         x86_accumulate_outgoing_args, x86_prologue_using_move,
 105         x86_epilogue_using_move, x86_decompose_lea,
 106         x86_arch_always_fancy_math_387, x86_shift1,
 107         x86_sse_partial_reg_dependency, x86_sse_split_regs,
 108         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
 109         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
 110         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
 111         x86_use_incdec, x86_pad_returns, x86_bswap,
 112         x86_partial_flag_reg_stall): Remove.
 113         (enum ix86_tune_indices): New.
 114         (ix86_tune_features): New.
 115         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
 116         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
 117         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
 118         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
 119         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
 120         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
 121         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
 122         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
 123         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
 124         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
 125         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
 126         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
 127         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
 128         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
 129         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
 130         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
 131         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
 132         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
 133         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
 134         TARGET_EXT_80387_CONSTANTS): Use it.
 135         (enum ix86_arch_indices): New.
 136         (ix86_arch_features): New.
 137         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
 138         TARGET_BSWAP): Use it.
 139         (ix86_tune_mask, ix86_arch_mask): Remove.
 140
 141 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
 142
 143         PR bootstrap/31020
 144         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
 145         Define using $${sysroot_headers_suffix}.
 146         * configure: Regenerate.
 147         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
 148         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
 149         defined.
 150         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
 151         * gcc.c (print_sysroot_headers_suffix): New.
 152         (option_map): Include --print-sysroot-headers-suffix.
 153         (display_help): Mention -print-sysroot-headers-suffix.
 154         (process_command): Handle -print-sysroot-headers-suffix.
 155         (do_spec_1): Append multilib directory to include-fixed path if
 156         sysroot suffixes in use.
 157         (main): Handle -print-sysroot-headers-suffix.
 158         * Makefile.in (start.encap): Don't depend on xlimits.h
 159         (xlimits.h): Remove.
 160         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
 161         limits.h for each multilib in fixinc_list.
 162         (fixinc_list, s-fixinc_list): New.
 163         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
 164         generate them for each multilib in fixinc_list.
 165         (stmp-fixproto): Use include-fixed.  Run fixproto for each
 166         multilib in fixinc_list.
 167         (mostlyclean): Don't remove xlimits.h.
 168         (clean): Remove include-fixed.
 169         (real-install-headers-tar, real-install-headers-cpio,
 170         real-install-headers-cp): Don't copy include, only include-fixed.
 171         (install-mkheaders): Depend on fixinc_list.  Don't depend on
 172         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
 173         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
 174         SYSTEM_HEADER_DIR setting in mkheaders.conf.
 175
 176 2007-03-06  Jan Hubicka  <jh@suse.cz>
 177
 178         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
 179         NANs easilly.
 180
 181 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 182
 183         * configure.ac: Allow tm_file to contain build-directory files.
 184         * configure: Regenerate.
 185         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
 186         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
 187         * config/m68k/print-sysroot-suffix.sh: New file.
 188
 189 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 190
 191         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
 192         of pic_offset_table_rtx if reload_completed.
 193         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
 194         PIC_OFFSET_TABLE_REGNUM.
 195         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
 196         return true.
 197         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
 198         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
 199
 200 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 201
 202         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
 203         functions that call eh_return.
 204
 205 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 206
 207         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
 208         functions that need a constant pool.
 209
 210 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 211
 212         PR target/28181
 213         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
 214         (m68k_preferred_reload_class): Likewise.
 215         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
 216         (SECONDARY_RELOAD_CLASS): Define.
 217         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
 218         (LIMIT_RELOAD_CLASS): Delete.
 219         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
 220         registers from storing bytes.
 221         (m68k_secondary_reload_class): New function.
 222         (m68k_preferred_reload_class): Likewise.
 223
 224 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 225
 226         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
 227         leaf functions.
 228         (m68k_expand_prologue): Likewise.
 229
 230 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 231
 232         * config/m68k/m68k-protos.h (output_sibcall): Declare.
 233         (mips_expand_epilogue): Add a bool parameter.
 234         (m68k_legitimize_sibcall_address): Declare.
 235         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
 236         (m68k_expand_epilogue): Add a parameter to select between sibling
 237         and normal epilogues.  Only generate a return for the latter.
 238         (m68k_ok_for_sibcall_p): New function.
 239         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
 240         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
 241         (sibcall_value, *sibcall_value): Likewise.
 242         (*call, *call_value): Require !SIBLING_CALL_P.
 243         (epilogue): Update call to m68k_expand_epilogue.
 244         (sibcall_epilogue): New pattern.
 245         * config/m68k/predicates.md (const_call_operand): Say that this
 246         predicate applies to sibling calls too.
 247         (sibcall_operand): New predicate.
 248
 249 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 250
 251         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
 252         alternatives as movsi_cf.
 253         (movsf_cf_hard): Add commentary.
 254
 255 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
 256             Richard Sandiford  <richard@codesourcery.com>
 257
 258         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
 259         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
 260         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
 261         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
 262         as being live on exit from an interrupt function.
 263         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
 264         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
 265         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
 266         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
 267         (m68k_interrupt_function_p): Globalize.
 268         (m68k_compute_frame_layout): Remove reverse mask code.
 269         (m68k_emit_movem, m68k_set_frame_related): New functions.
 270         (m68k_output_function_prologue): Delete in favor of...
 271         (m68k_expand_prologue): ...this new function.
 272         (m68k_output_function_epilogue): Delete in favor of...
 273         (m68k_expand_epilogue): ...this new function.
 274         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
 275         functions.
 276         (print_operand): Handle %?.
 277         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
 278         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
 279         (prologue, epilogue): New patterns.
 280         (return): Turn into a define_expand.
 281         (*return): New pattern, derived from old "return" pattern.  Use rte
 282         rather than rts for interrupt functions.  Only use rtd if the pop
 283         count is nonzero.
 284         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
 285         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
 286         (link, *link, unlink, *unlink, load_got): Likewise.
 287
 288 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 289
 290         PR target/23482
 291         PR target/17114
 292         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
 293         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
 294         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
 295         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
 296         and m68k_matches_u_p.
 297         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
 298         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
 299         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
 300         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
 301         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
 302         (REG_STRICT_P): New macro.
 303         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
 304         PCREL_GENERAL_OPERAND_OK.
 305         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
 306         m68k_legitimate_base_reg_p.
 307         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
 308         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
 309         (PIC_CASE_VECTOR_ADDRESS): Update comment.
 310         * config/m68k/m68k.c (m68k_address): New structure.
 311         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
 312         (m68k_decompose_index, m68k_legitimate_constant_address_p)
 313         (m68k_jump_table_ref_p, m68k_decompose_address)
 314         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
 315         (m68k_matches_u_p): New functions.
 316         (print_operand_address): Rewrite to use m68k_decompose_index.
 317
 318 2007/03/05  David Taylor  <dtaylor@emc.com>
 319
 320         * gcc.c: Correct copyright date in --version output.
 321
 322 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 323
 324         * pa.md: In unamed move patterns, disparge copies between general
 325         and floating point registers using '?' modifier.  Don't include 'f'
 326         constraint for register preferences in DImode, SImode, HImode and
 327         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
 328         Remove constraints for copies between general and floating registers
 329         in soft-float DFmode pattern.
 330         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
 331         floating register.
 332         (movsf): Likewise.
 333
 334 2007-03-05  Mike Stump  <mrs@apple.com>
 335
 336         * c-common.c (targetcm): Add.
 337         * c-opts.c (c_common_handle_option): Handle language specific
 338         target options.
 339         * opts.c (handle_option): Verify language for target options, if
 340         any are given.
 341         * opth-gen.awk: Add CL_LANG_ALL.
 342         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
 343         (TARGETCM_INITIALIZER): Add.
 344         * target.h (struct gcc_targetcm): Add.
 345         (targetcm): Add.
 346         * targhooks.c (default_handle_c_option): Add.
 347         * targhooks.h (default_handle_c_option): Add.
 348         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
 349
 350         * config/darwin.opt (iframework): Add.
 351         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
 352         * config/darwin-c.c (handle_c_option): Add.
 353         (TARGET_HANDLE_C_OPTION): Add.
 354         (targetcm): Add.
 355         * doc/invoke.texi (Darwin Options): Add -iframework.
 356
 357 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 358
 359         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
 360         conversion.
 361
 362 2007-03-05  Ian Lance Taylor  <iant@google.com>
 363
 364         * c.opt (fgnu89-inline): New option.
 365         * c-opts.c (c_common_post_options): Set default value for
 366         flag_gnu89_inline.
 367         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
 368         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
 369         inline functions.
 370         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
 371         (grokdeclarator, start_function): Likewise.
 372         * c-cppbuiltin.c (c_cpp_builtins): Define either
 373         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
 374         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
 375         (C Dialect Options): Document -fgnu89-inline.
 376         * doc/extend.texi (Function Attributes): Explain what the
 377         gnu_inline attribute does.
 378         * doc/cpp.texi (Common Predefined Macros): Document
 379         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 380
 381 2007-03-05  Ian Lance Taylor  <iant@google.com>
 382
 383         PR tree-optimization/31034
 384         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
 385         half-range if the other side is an overflow infinity.
 386
 387 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
 388
 389         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
 390         (bfin*-linux-uclibc*): New configuration.
 391         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
 392         defining.
 393         * config/bfin/linux.h: New file.
 394         * config/bfin/libgcc-bfin.ver: New file.
 395         * config/bfin/t-bfin-uclinux: New file.
 396         * config/bfin/t-bfin-linux: New file.
 397         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
 398         (TARGET_OS_CPP_BUILTINS): New macro.
 399
 400 2007-03-05  Richard Guenther  <rguenther@suse.de>
 401
 402         * fold-const.c (fold_binary): Remove duplicate folding
 403         of comparison of non-null ADDR_EXPR against null.
 404
 405 2007-03-05  Richard Guenther  <rguenther@suse.de>
 406         Dorit Nuzman  <dorit@il.ibm.com>
 407
 408         PR tree-optimization/26420
 409         * tree-vectorizer.c (vectorize_loops): Bail out early if there
 410         are no loops in the function.  Only print the number of
 411         vectorized loops if it is greater than zero or we are supposed
 412         to print information about unvectorized loops.
 413
 414 2007-03-05  Revital Eres  <eres@il.ibm.com>
 415
 416       * gcc.dg/var-expand1.c: New test.
 417       * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
 418       when an accumulator is expanded.
 419
 420 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 421
 422         PR other/30465
 423         * c-common.c (convert_and_check): Don't give warnings for
 424         conversion if 'expr' already overflowed.
 425
 426 2007-03-04  Roger Sayle  <roger@eyesopen.com>
 427
 428         PR middle-end/30744
 429         * fold-const.c (fold_comparison): Enforce type consistency when
 430         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
 431
 432 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
 433
 434         * tree-ssa-address.c (create_mem_ref): Do not put an expression
 435         containing a cast to the base of TARGET_MEM_REF.
 436
 437 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
 438
 439         * tree.c (tree_contains_struct_check_failed): Remove spurious
 440         whitespace from error message.
 441
 442 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
 443
 444         PR target/30406
 445         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
 446         instead of precision.
 447
 448 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
 449             Nathan Sidwell  <nathan@codesourcery.com>
 450
 451         * emit-rtl.c (find_auto_inc): New.
 452         (try_split): recreate REG_INC notes,
 453         Use regular for loops rather than whiles.
 454
 455 2007-03-03  Andreas Schwab  <schwab@suse.de>
 456
 457         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
 458         * configure: Regenerate.
 459
 460 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 461
 462         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
 463         flag_rounding_math, not flag_unsafe_math_optimizations.
 464
 465         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
 466         fold_build2.
 467         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
 468         alpha_fold_vector_minmax): Likewise.
 469         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
 470         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
 471
 472 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
 473
 474         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
 475         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
 476         if the lhs has side-effects.
 477         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
 478
 479 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
 480
 481         * config/i386/i386.h (TUNEMASK): Remove define.
 482         (ARCHMASK): Remove define.
 483         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
 484          Use ix86_arch_mask variable instead of ARCHMASK.
 485         * config/i386/i386.c (override_options): Ditto.
 486         (standard_80387_constant_p): Ditto.
 487
 488 2007-03-02  Ian Lance Taylor  <iant@google.com>
 489
 490         Used signed infinities in VRP.
 491         * tree-vrp.c (uses_overflow_infinity): New static function.
 492         (supports_overflow_infinity): New static function.
 493         (make_overflow_infinity): New static function.
 494         (negative_overflow_infinity): New static function.
 495         (positive_overflow_infinity): New static function.
 496         (is_negative_overflow_infinity): New static function.
 497         (is_positive_overflow_infinity): New static function.
 498         (is_overflow_infinity): New static function.
 499         (overflow_infinity_range_p): New static function.
 500         (compare_values_warnv): New function split out of compare_values.
 501         (compare_value): Call it.
 502         (set_value_range_to_nonnegative): Add overflow_infinity
 503         parameter.  Change caller.
 504         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
 505         Change callers.
 506         (vrp_expr_computes_nonzero): Likewise.
 507         (compare_ranges, compare_range_with_value): Likewise.
 508         (compare_name_with_value, compare_names): Likewise.
 509         (vrp_evaluate_conditional): Likewise.
 510         (set_value_range): Handle infinity
 511         (vrp_operand_equal_p, operand_less_p): Likewise.
 512         (extract_range_from_assert): Likewise.
 513         (vrp_int_const_binop): Likewise.
 514         (extract_range_from_binary_expr): Likewise.
 515         (extract_range_from_unary_expr): Likewise.
 516         (extract_range_from_comparison): Likewise.
 517         (extract_range_from_expr): Likewise.
 518         (dump_value_range): Likewise.
 519         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
 520         (test_for_singularity): Likewise.
 521         (vrp_int_const_binop): Remove inline qualifier.
 522         (adjust_range_with_scev): Add comment.
 523         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
 524
 525 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
 526
 527         * tree-ssa-structalias.c (could_have_pointers): Tidy.
 528         (get_constraint_for): Likewise.
 529         (do_structure_copy): Likewise.
 530         (find_func_aliases): Fix references to MODIFY_EXPR.
 531         (intra_create_variable_infos): Tidy.
 532         * tree-ssa-operands.c (add_virtual_operand): Add argument
 533         IS_CALL_SITE.
 534         When adding members of alias sets, if IS_CALL_SITE is true and
 535         the symbol is not call-clobbered, skip it.
 536         Adjust all callers.
 537
 538 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
 539
 540         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
 541         entry by means of emit_insn_at_entry.
 542
 543 2007-03-02  Richard Henderson  <rth@redhat.com>
 544
 545         * expr.h (promoted_input_arg): Remove decl.
 546         * function.c (promoted_input_arg): Merge into ...
 547         * combine.c (setup_incoming_promotions): ... only caller.
 548         Rearrange to avoid double loop.
 549
 550 2007-03-02  Ben Elliston  <bje@au.ibm.com>
 551             Peter Bergner  <bergner@vnet.ibm.com>
 552             Janis Johnson  <janis187@us.ibm.com>
 553
 554         * config/rs6000/dfp.md: New file.
 555         * config/rs6000/rs6000.md: Include dfp.md.
 556         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
 557         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
 558         and TDmode decimal float modes in FP registers.
 559         (num_insns_constant): Likewise.
 560         (rs6000_legitimate_offset_address_p): Likewise.
 561         (rs6000_legitimize_address): Likewise.
 562         (rs6000_legitimize_reload_address): Likewise.
 563         (rs6000_legitimate_address): Likewise.
 564         (rs6000_emit_move): Likewise.
 565         (function_arg_boundary): Likewise.
 566         (function_arg_advance): Likewise.
 567         (rs6000_darwin64_record_arg_recurse): Likewise.
 568         (function_arg): Likewise.
 569         (rs6000_gimplify_va_arg): Likewise.
 570         (rs6000_split_multireg_move): Likewise.
 571         (rs6000_output_function_epilogue): Likewise.
 572         (rs6000_output_function_epilogue): Likewise.
 573         (rs6000_register_move_cost): Likewise.
 574         (rs6000_function_value): Likewise.
 575         (rs6000_libcall_value): Likewise.
 576
 577 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
 578
 579         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
 580
 581 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
 582
 583         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
 584         Use $MULTIDIR to choose between the kernel and RTP headers,
 585         and use $WIND_BASE and $WIND_USR to locate them.
 586
 587 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
 588
 589         * config/i386/i386.c (override_options): Put initialization of
 590         ix86_tune_mask and ix86_arch_mask to the correct place.
 591
 592 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
 593             Michael Meissner  <michael.meissner@amd.com>
 594
 595         PR target/31019
 596         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
 597         (ARCHMASK): Define.
 598         (TARGET_CMOVE): Use ARCHMASK.
 599         (TARGET_CMPXCHG): Ditto.
 600         (TARGET_CMPXCHG8B): Ditto.
 601         (TARGET_XADD): Ditto.
 602         (TARGET_BSWAP): Ditto.
 603         * config/i386/i386.c (ix86_tune_mask): New global variable.
 604         (ix86_arch_mask): Ditto.
 605         (override_options): Initialize ix86_tune_mask and
 606         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
 607         target_flags.
 608
 609 2007-03-02  Ben Elliston  <bje@au.ibm.com>
 610
 611         PR 30992
 612         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
 613
 614 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
 615
 616         * target.h (init_dwarf_reg_sizes_extra): New target hook.
 617         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
 618         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
 619         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
 620         hook.
 621         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
 622         rs6000_init_dwarf_reg_sizes_extra): New.
 623         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
 624         SPE register high parts.
 625
 626 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
 627
 628         * Makefile.in: Add install-pdf target as
 629         copied from automake v1.10 rules.
 630         * configure.ac: Add install-pdf to target list.
 631         * configure: Regenerate.
 632
 633 2007-03-01  Paul Brook  <paul@codesourcery.com>
 634
 635         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
 636         modes to LDRD for DImode.
 637         (output_move_double): Fixup out of range ldrd/strd.
 638         (vfp_secondary_reload_class): Rename...
 639         (coproc_secondary_reload_class): ... to this.  Add wb argument.
 640         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
 641         coproc_secondary_reload_class for CLASS_IWMMXT.
 642         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
 643         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
 644
 645 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
 646
 647         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
 648         factor by the estimated number of iterations.
 649         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
 650         prefetch latency.
 651
 652         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
 653         decode_caches_intel, detect_caches_intel): New functions.
 654         (host_detect_local_cpu): Use detect_caches_amd and
 655         detect_caches_intel.
 656
 657 2007-03-01  Richard Henderson  <rth@redhat.com>
 658
 659         * expr.c (emit_move_complex_push): Export.
 660         (emit_move_complex_parts): Split out from ...
 661         (emit_move_complex): ... here.
 662         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
 663         * config/i386/i386.md (movcdi): New.
 664
 665 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
 666
 667         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
 668         size of mode1 to check for tieable modes in MMX case.
 669
 670 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
 671
 672         * Makefile.in (rtlanal.o): Depend on tree.h.
 673         * rtl.h (offset_within_section_p, split_const): Declare.
 674         * rtlanal.c: Include tree.h.
 675         (offset_within_block_p): New function, taken from
 676         mips_offset_within_object_p.
 677         (split_const): New function, taken from mips_split_const.
 678         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
 679         Declare.
 680         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
 681         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
 682         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
 683         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
 684         (m68k_illegitimate_symbolic_constant_p): New function.
 685         * config/m68k/m68k.md (movsi): Remove misleading predicates.
 686         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
 687         symbolic constant that might be outside the symbol's section,
 688         move the symbol first and then add the offset.
 689         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
 690         Override.
 691         * config/mips/mips.c (mips_split_const): Delete.
 692         (mips_offset_within_object_p): Delete.
 693         (mips_symbolic_constant_p): Use offset_within_section_p and
 694         split_const instead of mips_offset_within_object_p and
 695         mips_split_const.
 696         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
 697         (mips_legitimize_const_move, print_operand_reloc)
 698         (mips_dangerous_for_la25_p): Use split_const instead of
 699         mips_split_const.
 700
 701 2007-02-28  Eric Christopher  <echristo@apple.com>
 702
 703         * Makefile.in (install-include-dir): Don't rm -rf include.
 704
 705 2007-02-28  Richard Guenther  <rguenther@suse.de>
 706
 707         PR middle-end/30364
 708         * fold-const.c (fold_binary): Do not associate expressions
 709         with more than one variable for integer types that do not wrap.
 710
 711 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
 712
 713         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
 714         Delete, and replace with...
 715         (fold_builtin_call_array): This.  Update callers to use it.
 716         * fold-const.c (fold_build_call_list): Delete, and replace with...
 717         (fold_build_call_array): This.
 718         (fold_build_call_list_initializer): Delete, and replace with...
 719         (fold_build_call_array_initializer): This.
 720         * tree.h: Update declarations to reflect above changes.
 721
 722         * c-typeck.c (build_function_call): Store converted arguments
 723         in a stack-allocated array instead of building a list.
 724         (convert_arguments): Store arguments in the array passed in as an
 725         argument, and return the actual number of arguments.
 726         * c-format.c: (check_function_format): Pass arguments in an
 727         array instead of a list.
 728         * c-common.c (check_function_nonnull): Likewise.
 729         (check_function_sentinel): Likewise.
 730         (check_function_arguments): Likewise.
 731         * c-common.h: Update declarations to reflect above changes.
 732
 733 2007-02-28  Jan Hubicka  <jh@suse.cz>
 734
 735         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
 736         PRED_NEGATIVE_RETURN): Update outcomes.
 737
 738 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
 739
 740         * calls.c (emit_library_call_value_1): Handle partial registers
 741         correctly when building up CALL_INSN_FUNCTION_USAGE.
 742
 743 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 744
 745         * pa/predicates.md (move_src_operand): Allow zero for mode.
 746         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
 747         move pattern.
 748
 749 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
 750
 751         PR target/30970
 752         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
 753         *movv2df_internal): Enable pattern only for valid operand
 754         combinations.
 755         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
 756         tie only 128bit modes. For MMX registers, tie only 64bit modes.
 757
 758 2007-02-27  Mike Stump  <mrs@apple.com>
 759
 760         * config/darwin-crt3.c: Avoid compilation when compiling for a
 761         kext multilib.
 762
 763 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
 764
 765         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
 766         FIXED_INCLUDE_DIR.
 767         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
 768         for fixed headers and limits.h.
 769         (install-include-dir, install-headers-tar, install-headers-cpio,
 770         install-headers-cp, real-install-headers-tar,
 771         real-install-headers-cpio, real-install-headers-cp): Handle
 772         include-fixed as well as include.
 773         (install-mkheaders): Don't install files that go only in include
 774         not include-fixed.
 775         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
 776         from GCC_INCLUDE_DIR.
 777         * gcc.c (process_command): Remove special -BstageN/ handling.
 778         (do_spec_1): Add include-fixed directories.
 779
 780 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
 781
 782         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
 783         _smulsi3_highpart.
 784         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
 785         New functions.
 786         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
 787         patterns.
 788
 789 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
 790
 791         * c-common.c (get_priority): Add check for
 792         SUPPORTS_INIT_PRIORITY.
 793
 794 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
 795
 796         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
 797
 798         * config/bfin/bfin.c: Include "cfglayout.h".
 799         (MAX_LSETUP_DISTANCE): New macro.
 800         (struct loop_info): New members incoming, incoming_src and
 801         incoming_dest.  Delete member predecessor.
 802         (length_for_loop): New function.
 803         (bfin_optimize_loop): Handle more different loop structures.
 804         (bfin_discover_loop): Rework detection of predecessor blocks by
 805         examining incoming edges.
 806         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
 807         bfin_reorg_loops.
 808         (bfin_reorder_loops): New function.
 809         (bfin_reorg_loops): Use these three new functions.
 810
 811         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
 812         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
 813         (CONSTRAINT_LEN): Add entry for 'q'.
 814         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
 815         Add 'q' constraints.
 816         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
 817         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
 818
 819         * config/bfin/bfin.md (add_with_carry): New pattern.
 820         (s_or_u, su_optab, su_modifier): New code macros/attrs.
 821         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
 822         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
 823         support unsigned multiplies too.  Removed incorrect commutativity from
 824         operand 1 constraint where appropriate.
 825         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
 826         patterns.
 827         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
 828         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
 829         New patterns.
 830         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
 831         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
 832         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
 833         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
 834         usmulhisi_hh_huh): New patterns.
 835
 836         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
 837         lshifthi3): Fix output template to use half reg for operand 2.
 838
 839         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
 840         instead of R2.
 841
 842         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
 843
 844 2007-02-27  Andreas Schwab  <schwab@suse.de>
 845
 846         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
 847
 848 2007-02-27  Jan Hubicka  <jh@suse.cz>
 849
 850         * predict.c (last_basic_block_p): Remove.
 851         (tree_estimate_probability): Update return heuristic for commonized
 852         return blocks.
 853
 854 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
 855
 856         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
 857
 858 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
 859
 860         * doc/include/gcc-common.texi (versionsubtitle): New macro.
 861         * doc/cpp.texi: Standardize title page.
 862         * doc/cppinternals.texi: Likewise.
 863         * doc/gcc.texi: Standardize title page, remove version number
 864         from copyright page.
 865         * doc/gccint.texi: Likewise.
 866         * doc/install.texi: Standardize title page, add table of
 867         contents.
 868
 869 2007-02-26  Jan Hubicka  <jh@suse.cz>
 870
 871         * predict.def: Set outcomes according to more recent results.
 872         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
 873         Remove dead predictors.
 874         * predict.c (return_prediction): Fix pasto.
 875
 876 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
 877
 878         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
 879         change; avoid a memory leak when returning early.
 880
 881 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
 882
 883         * c-decl.c (static_ctors): Move to c-common.c.
 884         (static_dtors): Likewise.
 885         (finish_function): Use c_record_cdtor_fn.
 886         (build_cdtor): Move to c-common.c.
 887         (c_write_global_declarations): Use c_build_cdtor_fns.
 888         * c-common.h (static_ctors): Declare.
 889         (static_dtors): Likewise.
 890         (c_record_cdtor_fn): Likewise.
 891         (c_build_cdtor_fns): Likewise.
 892         * c-common.c (static_ctors): New variable.
 893         (static_dtors): Likewise.
 894         (c_record_cdtor_fn): New function.
 895         (build_cdtor): Move from c-decl.c
 896         (c_build_cdtor_fns): New function.
 897
 898         * output.h (assemble_addr_to_section): Declare.
 899         (get_cdtor_priority_section): Likewise.
 900         * varasm.c (assemble_addr_to_section): New function.
 901         (get_cdtor_priority_section): Likewise.
 902         (default_named_section_asm_out_destructor): Use them.
 903         (destor_dtor_section_asm_out_destructor): Likewise.
 904         (default_named_section_asm_out_constructor): Likewise.
 905         (default_ctor_section_asm_out_constructor): Likewise.
 906         * config.gcc (*-*-vxworks*): Include vxworks.o.
 907         * config/t-vxworks (vxworks.o): New target.
 908         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
 909         (TARGET_ASM_CONSTRUCTOR): Define.
 910         (TARGET_ASM_DESTRUCTOR): Likewise.
 911         (vxworks_asm_out_constructor): Declare.
 912         (vxworks_asm_out_destructor): Likewise.
 913
 914         * c-common.c (get_priority): Check that we have not just an
 915         INTEGER_CST, but an integer constant with integeral type.
 916
 917 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
 918
 919         PR tree-optimization/30938
 920         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
 921         use &dt[nargs-1] instead of &dt[nargs] in the call to
 922         vect_is_simple_use().
 923
 924 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
 925
 926         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
 927         from register elimination as PRE_MODIFY / POST_MODIFY increments.
 928         Do not attempt to handle MEM inside auto-inc expressions.
 929         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
 930         of a register modified by an auto-inc expression.  However, do handle
 931         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
 932         (elimination_effects): Prohibit elimination of a register modified
 933         by an auto-inc expression.  Disable register elimination rules whose
 934         target register is modified by an auto-inc expression with variable
 935         increment.
 936
 937 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
 938
 939         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
 940         off-by-one error.
 941         (array_at_struct_end_p): New function.
 942         (idx_infer_loop_bounds): Use it.
 943         (estimate_numbers_of_iterations_loop): Export.
 944         * predict.c (predict_loops): Use estimated_loop_iterations_int.
 945         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
 946         (tree_estimate_probability): Call record_loop_exits.
 947         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
 948         (estimated_loop_iterations, estimated_loop_iterations_int,
 949         estimated_loop_iterations_tree): New functions.
 950         (analyze_siv_subscript_cst_affine,
 951         compute_overlap_steps_for_affine_1_2,
 952         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
 953         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
 954         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
 955         (PRED_LOOP_ITERATIONS_GUESSED): New.
 956         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
 957         * cfgloop.h (estimate_numbers_of_iterations_loop,
 958         estimated_loop_iterations_int): Declare.
 959
 960 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
 961
 962         * doc/extend.texi: Document optional priority argument to
 963         constructors and destructors.
 964         * tree.c (init_priority_for_decl): Adjust GTY markers.
 965         (init_ttree): Use priority-info hash functions for
 966         init_priority_for_decl.
 967         (tree_map_eq): Rename to ...
 968         (tree_map_base_eq): ... this.
 969         (tree_map_marked_p): Rename to ...
 970         (tree_map_base_marked_p): ... this.
 971         (tree_map_base_hash): New function.
 972         (decl_init_priority_lookup): Rework.
 973         (decl_fini_priority_lookup): New function.
 974         (decl_priority_info): New function.
 975         (decl_init_priority_insert): Use it.
 976         (decl_fini_priority_insert): Likewise.
 977         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
 978         hierarchy.
 979         (decl_restrict_base_insert): Likewise.
 980         (decl_debug_expr_insert): Likewise.
 981         (decl_value_expr_lookup): Likewise.
 982         (decl_value_expr_insert): Likewise.
 983         * tree.h (priority_type): New type.
 984         (decl_init_priority_lookup): Use priority_type.
 985         (decl_fini_priority_lookup): New function.
 986         (decl_init_priority_insert): Use priority_type.
 987         (decl_fini_priority_insert): New function.
 988         (DECL_HAS_INIT_PRIORITY): Tweak comments.
 989         (DECL_INIT_PRIORITY): Likewise.
 990         (SET_DECL_INIT_PRIORITY): Add comment.
 991         (DECL_FINI_PRIORITY): New macro.
 992         (SET_DECL_FINI_PRIORITY): Likewise.
 993         (DEFAULT_INIT_PRIORITY): Document.
 994         (MAX_INIT_PRIORITY): Likewise.
 995         (MAX_RESERVED_INIT_PRIORITY): Likewise.
 996         (tree_map_base): New type.
 997         (tree_map_base_eq): New function.
 998         (tree_map_base_hash): Likewise.
 999         (tree_map_base_marked_p): Likewise.
1000         (tree_map): Inherit from tree_map_base.
1001         (tree_map_eq): Make it a macro.
1002         (tree_map_marked_p): Likewise.
1003         (tree_int_map): Inherit from tree_map_base.
1004         (tree_int_map_eq): Make it a macro.
1005         (tree_int_map_hash): Likewise.
1006         (tree_int_map_marked_p): Likewise.
1007         (tree_priority_map): New type.
1008         (tree_priority_map_eq): New macro.
1009         (tree_priority_map_hash): Likewise.
1010         (tree_priority_map_marked_p): Likewise.
1011         * varasm.c (emults_decl): Adjust for refactoring of tree_map
1012         hierarchy.
1013         (emutls_common_1): Likewise.
1014         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
1015         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
1016         of tree_map hierarchy.
1017         * tree-cfg.c (move_stmt_r): Likewise.
1018         (new_label_mapper): Likewise.
1019         * c-tree.h (c_expand_body): Move to ...
1020         * c-common.h (c_expand_body): ... here.
1021         * c-decl.c (c_expand_body): Move to ...
1022         * c-common.c (c_expand_body): ... here.
1023         (c_common_attribute_table): Allow 1 argument for the constructor
1024         and destructor attributes.
1025         (get_priority): New function.
1026         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
1027         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
1028
1029 2007-02-24  Jan Hubicka  <jh@suse.cz>
1030
1031         PR middle-end/30509
1032         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
1033
1034 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1035             Jan Hubicka  <jh@suse.cz>
1036
1037         PR target/30778
1038         * i386.c (counter_mode): New function.
1039         (expand_set_or_movmem_via_loop): Use it.
1040         (expand_movmem_epilogue): Likewise; fix pasto.
1041         (ix86_expand_movmem): Do emit guard even for constant counts.
1042         (ix86_expand_setmem): Likewise.
1043
1044 2007-02-25  Nick Clifton  <nickc@redhat.com>
1045
1046         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
1047         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1048
1049 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
1050
1051         PR target/30770
1052         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
1053         count argument with 0x10, not with 0x16.
1054         (expand_setmem_epilogue): Ditto.
1055
1056 2007-02-24  Mike Stump  <mrs@apple.com>
1057
1058         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
1059         symbols.
1060
1061 2007-02-24  Richard Guenther  <rguenther@suse.de>
1062
1063         PR middle-end/30951
1064         * fold-const.c (fold_binary): Fold x +- CST op x for
1065         EQ_EXPR and NE_EXPR.
1066
1067 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1068
1069         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
1070
1071 2007-02-24  Jan Hubicka  <jh@suse.cz>
1072
1073         * cgraphunit.c (decide_is_function_needed): Honor
1074         -fkeep-inline-functions.
1075
1076 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1077
1078         * builtins.c (fold_builtin_modf): New.
1079         (fold_builtin_2): Use it.
1080
1081 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1082
1083         * loop-iv.c (implies_p): Detect additional cases where A implies B.
1084         (determine_max_iter): Take additional LOOP arg; all callers changed.
1085         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
1086         one using simplifications.
1087         (simplify_using_initial_values): Return if the expression becomes
1088         invalid due to altered regs.
1089
1090 2007-02-23  DJ Delorie  <dj@redhat.com>
1091
1092         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
1093
1094 2007-02-23  Mike Stump  <mrs@apple.com>
1095
1096         * tlink.c (scan_linker_output): Parse linker messages from
1097         darwin9's linker better.
1098
1099 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
1100
1101         PR debug/29614
1102         * varpool.c (varpool_assemble_pending_decls):  Set
1103         varpool_last_needed_node to null.
1104
1105 2007-02-23  DJ Delorie  <dj@redhat.com>
1106
1107         * config/i386/i386.c (ix86_data_alignment): Don't specify an
1108         alignment bigger than the object file can handle.
1109
1110 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
1111
1112         PR target/30825
1113         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
1114         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
1115         (*movsf_1): Penalize MMX moves.
1116
1117 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1118
1119         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
1120         2^32-1 or more times unless flag_unsafe_loop_optimizations.
1121
1122         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
1123
1124 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1125
1126         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
1127         (fold_builtin_1): Use them.
1128         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
1129         BUILT_IN_SIGNIFICAND.
1130
1131 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1132
1133         * config/i386/i386.c (bdesc_1arg): Initialize
1134         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
1135         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
1136         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
1137         and IX86_BUILTIN_MOVSLDUP.
1138
1139 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1140
1141         PR rtl-optimization/30841
1142         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1143
1144 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1145
1146         * builtins.c (fold_builtin_frexp): New.
1147         (fold_builtin_2): Use it.
1148
1149 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1150
1151         * doc/invoke.texi (Spec Files): Document getenv spec function.
1152
1153         * gcc.c (getenv_spec_function): New function.
1154         (static_spec_functions): Add it.
1155         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1156         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1157         header files.
1158
1159 2007-02-22  Michael Matz  <matz@suse.de
1160
1161         PR c++/29433
1162         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1163         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1164
1165 2007-02-22  Ian Lance Taylor  <iant@google.com>
1166
1167         PR debug/30898
1168         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1169         (mem_loc_descriptor): Call it.
1170
1171 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1172             Ira Rosen  <irar@il.ibm.com>
1173
1174         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1175
1176 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1177
1178         PR tree-optimization/30843
1179         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1180         stores only after all the group is vectorized.
1181
1182 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1183
1184         PR tree-optimization/30858
1185         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1186         in the reduction cycle have a single use in the loop.
1187         * tree-vectorizer.h (relevant): Add documentation.
1188
1189 2007-02-20  Mike Stump  <mrs@apple.com>
1190
1191         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1192         * configure: Regenerate.
1193
1194 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1195
1196         Change the defaults of some parameters and options.
1197         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1198         * config/spu/spu.c (spu_optimization_options): Add.
1199         (spu_override_options): Change params in spu_optimization_options.
1200         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1201
1202         Register 127 is only 16 byte aligned when used as a frame pointer.
1203         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1204         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1205         HARD_FRAME_POINTER_REGNUM.
1206         (spu_legitimate_address):  Use regno_aligned_for_reload.
1207         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1208         aligned when frame_pointer_needed is true.
1209         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1210         to 8 bits.
1211         * config/spu/spu.h (INIT_EXPANDERS): Define.
1212
1213         Make sure shift and rotate instructions have valid immediate operands.
1214         * config/spu/predicates.md (spu_shift_operand): Remove.
1215         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1216         * config/spu/constraints.md (W, O): Extend range.
1217         * config/spu/spu.md (umask, nmask): Define.
1218         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1219         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1220         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1221         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1222         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1223         (lshr<mode>3_reg):  Fix rtl description.
1224
1225         Make sure mulhisi immediate operands are valid.
1226         * config/spu/predicates.md (imm_K_operand): Add.
1227         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1228
1229         Generate constants using fsmbi and andi.
1230         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1231         (print_operand, spu_split_immediate, classify_immediate,
1232         fsmbi_const_p): Handle IC_FSMBI2.
1233
1234         Correctly handle a CONST_VECTOR containing symbols.
1235         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1236         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1237         (immediate_load_p): Allow symbols that use 2 instructions to create.
1238         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1239         with symbols when flag_pic is set.
1240         (const_vector_immediate_p): New.
1241         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1242         accept a CONST_VECTOR with symbols.
1243         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1244         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1245         correctly.
1246         * config/spu/spu.md (high, low): Delete.
1247         (low_<mode>): Define.
1248
1249         Remove INTRmode and INTR_REGNUM, which didn't work.
1250         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1251         of INTR_REGNUM.
1252         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1253         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1254         peephole2 pattern): Don't use INTR or 131.
1255         (movintrcc): Delete.
1256         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1257         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1258         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1259         (UNSPEC_SET_INTR): Add.
1260         * config/spu/spu-modes.def (INTR): Remove.
1261
1262         More accurate warnings about run-time relocations.
1263         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1264
1265         Correctly warn about immediate arguments to specific intrinsics.
1266         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1267         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1268         the instruction predicate.
1269
1270         Fix tree check errors with latest update.
1271         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1272         CALL_EXPR_ARG.
1273         (spu_expand_builtin): Use CALL_EXPR_FN.
1274
1275         Add missing specific intrinsics.
1276         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1277         si_bislede.
1278         * config/spu/spu_internals.h: Ditto.
1279
1280         Fix incorrect operand modifiers.
1281         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1282         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1283
1284         Optimize one case of zero_extend of a vec_select.
1285         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1286
1287         Accept any immediate for hbr.
1288         * config/spu/spu.md (hbr):  Change s constraints to i.
1289
1290 2007-02-21  Paul Brook  <paul@codesourcery.com>
1291
1292         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1293         condexec_count when skipping USE and CLOBBER.
1294
1295 2007-02-21  Nick Clifton  <nickc@redhat.com>
1296
1297         * common.opt (Warray-bounds): Add Warning attribute.
1298         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1299         Likewise.
1300         (fsized-zeroes): Add Optimization attribute.
1301         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1302         * c.opt (Wc++0x-compat): Add Warning attribute.
1303
1304 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1305
1306         PR middle-end/30761
1307         * reload1.c (eliminate_regs_in_insn): In the single_set special
1308         case, attempt to re-recognize the insn before falling back to
1309         having reload fix it up.
1310
1311 2007-02-20  Eric Christopher  <echristo@gmail.com>
1312
1313         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1314         Rewrite accordingly.
1315         (frv_read_iacc_argument): Ditto.
1316         (frv_expand_set_builtin): Take a call instead of arglist, update for
1317         above changes.
1318         (frv_expand_unop_builtin): Ditto.
1319         (frv_expand_binop_builtin): Ditto.
1320         (frv_expand_cut_builtin): Ditto.
1321         (frv_expand_binopimm_builtin): Ditto.
1322         (frv_expand_voidbinop_builtin): Ditto.
1323         (frv_expand_int_void2arg): Ditto.
1324         (frv_expand_prefetches): Ditto.
1325         (frv_expand_voidtriop_builtin): Ditto.
1326         (frv_expand_voidaccop_builtin): Ditto.
1327         (frv_expand_load_builtin): Ditto.
1328         (frv_expand_store_builtin): Ditto.
1329         (frv_expand_mdpackh_builtin): Ditto.
1330         (frv_expand_mclracc_builtin): Ditto.
1331         (frv_expand_mrdacc_builtin): Ditto.
1332         (frv_expand_mwtacc_builtin): Ditto.
1333         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1334         calls for above.
1335
1336 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1337
1338         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1339         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1340         cmpb instruction.
1341         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1342         point instructions.
1343         * configure: Regenerate.
1344         * config.in: Regenerate.
1345         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1346         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1347         masks to power6 and power6x and to POWERPC_MASKS.
1348         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1349         _ARCH_PWR6.
1350         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1351         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1352         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1353         Access PROTOTYPE as variable, not mask.
1354
1355 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1356
1357         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1358         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1359         * combine.c (adjust_for_new_dest): Use it.
1360         * postreload.c (reload_combine): Likewise.
1361
1362 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1363
1364         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1365         notes on an insn with multiple sets, even if single_set returns
1366         non-NULL for that insn.
1367
1368 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1369
1370         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1371         scalbn and scalbln.
1372
1373 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
1374
1375         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
1376         if user didn't pass it.
1377         * config/i386/darwin.h (CC1_SPEC): Likewise.
1378         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
1379         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
1380         -mmacosx-version-min.
1381
1382 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1383             Uros Bizjak  <ubizjak@gmail.com>
1384
1385         * optabs.h (enum optab_index): Add new OTI_scalb.
1386         (scalb_optab): Define corresponding macro.
1387         * optabs.c (init_optabs): Initialize scalb_optab.
1388         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
1389         patterns.
1390         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
1391         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
1392         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
1393         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
1394         flag_unsafe_math_optimizations is set.
1395
1396         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
1397         to implement scalbf, scalb and scalbl built-ins as inline x87
1398         intrinsics.
1399
1400 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1401             DJ Delorie <dj@redhat.com>
1402
1403         PR other/30824
1404         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
1405         (diagnostic_report_diagnostic): ... here, and turn them into real
1406         errors. If warnings are inhibited, no need to do anything.
1407
1408 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
1409
1410         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
1411         better code generation.
1412
1413 2007-02-20  Ben Elliston  <bje@au.ibm.com>
1414
1415         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
1416
1417 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
1418
1419         * config/alpha/alpha.c, config/alpha/alpha.md,
1420         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
1421         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
1422         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
1423         config/arm/lib1funcs.asm: Follow spelling conventions.
1424
1425         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
1426         config/fr30/fr30.md, config/i386/i386.h,
1427         config/iq2000/iq2000.h, config/iq2000/predicates.md,
1428         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
1429         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
1430         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
1431         config/rs6000/altivec.md, config/rs6000/rs6000.c,
1432         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
1433         config/sparc/sparc.c, config/sparc/sparc.h,
1434         config/sparc/sparc.md, config/spu/constraints.md,
1435         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
1436         conventions.
1437
1438 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
1439
1440         PR target/29943
1441         * varasm.c (use_blocks_for_decl_p): Return false for decls with
1442         alias attribute.
1443
1444 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1445
1446         * doc/invoke.texi (-ftree-lrs): Remove.
1447
1448 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
1449
1450         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
1451         NULL.
1452
1453 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
1454
1455         * config/ia64/ia64.c (ia64_expand_builtin): Use the
1456         new CALL_EXPR_FN macro for retrieving the function
1457         declaration of the input expression.
1458
1459 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1460
1461         * c.opt (Waddress): New.
1462         * common.opt (Walways-true): Delete.
1463         (Wstring-literal-comparison): Delete.
1464         * doc/invoke.texi (Warning Options): Delete -Walways-true and
1465         -Wstring-literal-comparison. Add -Waddress.
1466         (Waddress): New.
1467         (Walways-true): Delete.
1468         (Wstring-literal-comparison): Delete.
1469         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
1470         consistently instead of -Walways-true in example.
1471         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
1472         * c-typeck.c (parser_build_binary_op): Replace
1473         -Wstring-literal-comparison and -Walways-true with -Waddress.
1474         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
1475         with -Waddress.
1476
1477 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1478
1479         * tree-cfg.c (dump_function_to_file): Be prepared for functions
1480         without DECL_STRUCT_FUNCTION initialized.
1481
1482 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1483
1484         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
1485         due to calls to functions taking pointers as parameters.
1486
1487 2007-02-19  Richard Henderson  <rth@redhat.com>
1488
1489         PR debug/29558
1490         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
1491         in memory.
1492
1493 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1494
1495         * config/s390/s390.c (s390_call_saved_register_used,
1496         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
1497         accessed to the new scheme.
1498
1499 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1500
1501         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
1502         (cris_print_index, cris_print_operand, cris_print_operand_address)
1503         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
1504         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
1505         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
1506         GET_CODE () == xxx.
1507         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
1508         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
1509         GO_IF_LEGITIMATE_ADDRESS): Ditto.
1510         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
1511         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
1512         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
1513         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
1514         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
1515         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
1516         (uminsi3, call, call_value): Ditto.
1517         (define_split: indir_to_reg_split, unnamed): Ditto.
1518
1519 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
1520
1521         PR tree-optimization/30975
1522         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
1523         wrong assert.
1524
1525 2007-02-18  Eric Christopher  <echristo@gmail.com>
1526
1527         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
1528         Remove use of arglist.
1529         (mips_expand_builtin): Remove use of arglist, pass in expr.
1530         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
1531         (mips_expand_builtin_movtf): Ditto.
1532         (mips_expand_builtin_compare): Ditto.
1533
1534 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1535
1536         * tree-sra.c (sra_build_assignment): Replace assertion
1537         checking with a comment explaining why it can't be done.
1538
1539 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1540
1541         PR middle-end/30833
1542         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
1543         during CALL_EXPR representation conversion.
1544         * tree-ssa-propagate.c (set_rhs): Likewise.
1545
1546 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1547
1548         * tree-sra.c (sra_build_assignment): Disable assertion checking
1549         for now.
1550
1551 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1552
1553         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
1554         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1555         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
1556         Likewise.
1557         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
1558         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
1559         gimplify_init_ctor_eval_range, gimple_push_cleanup,
1560         gimplify_omp_for, gimplify_omp_atomic_pipeline,
1561         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
1562         force_gimple_operand): Likewise.
1563         * ipa-cp.c (constant_val_insert): Likewise.
1564         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1565         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
1566         perfect_nestify): Likewise.
1567         * langhooks.c (lhd_omp_assignment): Likewise.
1568         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
1569         lower_copyprivate_clauses, lower_send_clauses,
1570         lower_send_shared_vars, expand_parallel_call,
1571         expand_omp_for_generic, expand_omp_for_static_nochunk,
1572         expand_omp_for_static_chunk, expand_omp_sections,
1573         lower_omp_single_copy, lower_omp_for_lastprivate,
1574         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
1575         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1576         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
1577         Likewise.
1578
1579 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1580
1581         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
1582         config/sh/sh.md: Follow spelling conventions.
1583
1584         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
1585         config/frv/predicates.md: Follow spelling conventions.
1586
1587         * config/m68k/linux-unwind.h: Fix a comment typo.
1588         * target.h: Follow spelling conventions.
1589
1590 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1591
1592         PR rtl-optimization/28173
1593         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
1594         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
1595         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
1596         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
1597         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
1598
1599 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1600
1601         * builtins.c (fold_builtin_load_exponent): New.
1602         (fold_builtin_2): Use it.
1603
1604 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
1605
1606         PR rtl-optimization/30773
1607         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
1608         if we fail to attach a REG_EQUIV note.
1609
1610 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
1611             Roger Sayle  <roger@eyesopen.com>
1612
1613         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
1614
1615 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1616
1617         * calls.c (initialize_argument_information): Pass original EXP
1618         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
1619         code to split complex arguments here, as part of initializing the
1620         ARGS array.
1621         (expand_call): Remove code that builds a list of arguments and
1622         inserts implicit arguments into it.  Instead, just count how many
1623         implicit arguments there will be so we can determine the size of
1624         the ARGS array, and let initialize_argument_information do the work.
1625         (split_complex_values): Delete unused function.
1626
1627 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1628
1629         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
1630
1631 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
1634         for arg pointer based indexed addressing.
1635
1636 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1637
1638         * config/ia64/ia64.h, config/ia64/ia64.md,
1639         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
1640         spelling conventions.
1641
1642 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1643
1644         * config/m68k/m68k.c (split_di): New.
1645         * config/m68k/m68k-protos.h: Declare split_di.
1646         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
1647           Improve predicate handling and split constant shifts.
1648
1649 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1650
1651         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
1652         parameter for register bitfield operations, general predicates
1653         cleanup
1654
1655 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1656
1657         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
1658         * config/m68k/linux-unwind.h: New file.
1659
1660 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1661
1662         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
1663         config/i386/athlon.md, config/ia64/ia64.md,
1664         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
1665         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
1666         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
1667         tree-ssa-loop-niter.c, tree-vect-analyze.c,
1668         tree-vect-transform.c: Fix comment typos.
1669
1670 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
1671
1672         * sched-deps.c (find_insn_list): Remove.
1673         * sched-int.h: Remove the prototype for find_insn_list.
1674
1675 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
1676
1677         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
1678         to linker.
1679         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
1680         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
1681         darwin_rs6000_override_options.
1682         (C_COMMON_OVERRIDE_OPTIONS): Expect
1683         darwin_macosx_version_min to be non-NULL always.
1684         (TARGET_C99_FUNCTIONS): Likewise.
1685         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
1686         (DARWIN_MINVERSION_SPEC): New.
1687         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
1688         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
1689         to cc1*.
1690         (DARWIN_MINVERSION_SPEC): New.
1691         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
1692         value.
1693         * config/darwin-c.c (darwin_cpp_builtins): Expect
1694         darwin_macosx_version_min to be non-NULL always.
1695
1696         * config/rs6000/rs6000.c: Clean up trailing whitespace.
1697
1698 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1699
1700         * config/i386/i386.h (x86_use_xchgb): New.
1701         (TARGET_USE_XCHGB): New macro.
1702         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1703         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1704         Split after reload into bswaphi for shifts of 8.
1705         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1706         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1707         or when optimizing for size.
1708
1709 2007-02-16  Richard Guenther  <rguenther@suse.de>
1710             Christian Bruel  <christian.bruel@st.com>
1711
1712         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1713         DECLs but prefer SSA_NAMEs over DECLs.
1714
1715 2007-02-16  Richard Guenther  <rguenther@suse.de>
1716
1717         * tree-flow-inline.h (single_imm_use_p): Remove.
1718         (zero_imm_uses_p): Likewise.
1719         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1720         instead of single_imm_use_p.
1721         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1722         zero_imm_uses_p.
1723
1724 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1725
1726         PR other/27843
1727         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1728         nested double- and backquotes.
1729
1730 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1731
1732         PR middle-end/30391
1733         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1734         should be unreachable.
1735         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1736         For the time being redirect GIMPLE_MODIFY_STMT to the new
1737         (renamed) build_gimple_modify_stmt_stat.
1738         (build2_gimple_stat): Rename to...
1739         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1740         Always build a GIMPLE_MODIFY_STMT node.
1741         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1742         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1743         declarations.
1744
1745         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1746         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1747         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1748         expand_complex_div_wide): Likewise.
1749         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1750         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1751         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1752         * tree-ssa-loop-manip.c (create_iv): Likewise.
1753         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1754         abs_replacement): Likewise.
1755         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1756         realify_fake_stores): Likewise.
1757
1758         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1759         node rather than a GIMPLE_MODIFY_STMT node.
1760         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1761         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1762         Likewise.
1763         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1764         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1765         GIMPLE_MODIFY_STMT.
1766
1767 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1768
1769         PR middle-end/30433
1770         * fold-const.c (fold_comparison): Add back the
1771         folding of constant complex comparisions.
1772
1773 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1774
1775         PR middle-end/30729
1776         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1777         effects unknown to this function, return early.
1778
1779 2007-02-15  Ian Lance Taylor  <iant@google.com>
1780
1781         * lower-subreg.c (move_eh_region_note): New static function.
1782         (resolve_simple_move): Call it.
1783         (decompose_multiword_subregs): Track blocks for which we resolve a
1784         simple move which is also a control flow insn.  Pass them to
1785         find_many_sub_basic_blocks.
1786         (pass_lower_subreg): Add TODO_verify_flow.
1787         (pass_lower_subreg2): Likewise.
1788
1789 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1790             Brooks Moses  <brooks.moses@codesourcery.com>
1791             Lee Millward  <lee.millward@codesourcery.com>
1792
1793         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1794         (VL_EXP_CLASS_P): New.
1795         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1796         TREE_CODE_LENGTH.
1797         (TREE_OPERAND_CHECK_CODE): Likewise.
1798         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1799         (TREE_RTL_OPERAND_CHECK): Likewise.
1800         (tree_operand_check_failed): Make second parameter the whole tree
1801         instead of its code.  Fixed callers.
1802         (VL_EXP_CHECK): New.
1803         (TREE_OPERAND_LENGTH): New.
1804         (VL_EXP_OPERAND_LENGTH): New.
1805         (CALL_EXPR_FN): New.
1806         (CALL_EXPR_STATIC_CHAIN): New.
1807         (CALL_EXPR_ARGS): New.
1808         (CALL_EXPR_ARG): New.
1809         (call_expr_nargs): New.
1810         (CALL_EXPR_ARGP): New.
1811         (build_nt_call_list): Declare.
1812         (build_vl_exp_stat): Declare.
1813         (build_vl_exp): New.
1814         (build_call_list): Declare.
1815         (build_call_nary): Declare.
1816         (build_call_valist): Declare.
1817         (build_call_array): Declare.
1818         (call_expr_arg): Declare.
1819         (call_expr_argp): Declare.
1820         (call_expr_arglist): Declare.
1821         (fold_build_call_list): Declare.
1822         (fold_build_call_list_initializer): Declare.
1823         (fold_call_expr): Declare to replace fold_builtin.
1824         (fold_builtin_fputs): Update to agree with modified definition.
1825         (fold_builtin_strcpy): Likewise.
1826         (fold_builtin_strncpy): Likewise.
1827         (fold_builtin_memory_chk): Likewise.
1828         (fold_builtin_stxcpy_chk): Likewise.
1829         (fold_builtin_strncpy_chk): Likewise.
1830         (fold_builtin_next_arg): Likewise.
1831         (fold_build_call_expr): Declare.
1832         (fold_builtin_call_list): Declare.
1833         (fold_builtin_call_valist): Declare.
1834         (build_call_expr): Declare.
1835         (validate_arglist): Update to agree with modified definition.
1836         (tree_operand_length): New.
1837         (call_expr_arg_iterator): New.
1838         (init_call_expr_arg_iterator): New.
1839         (next_call_expr_arg): New.
1840         (first_call_expr_arg): New.
1841         (more_call_expr_args_p): New.
1842         (FOR_EACH_CALL_EXPR_ARG): New.
1843
1844         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1845         and tcc_gimple_stmt.
1846         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1847         than sizeof (char *).
1848         (tree_size): Likewise.  Add case for tcc_vl_exp.
1849         (tree_node_structure): Add case for tcc_vl_exp.
1850         (contains_placeholder_p): Likewise.
1851         (substitute_in_expr): Likewise.
1852         (substitute_placeholder_in_expr): Likewise.
1853         (stabilize_reference_1): Likewise.
1854         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1855         to diagnose breakage of this interface for constructing CALL_EXPRs.
1856         (build_nt): Add similar assertion here.
1857         (build_nt_call_list): New.
1858         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1859         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1860         TREE_CODE_LENGTH.
1861         (get_callee_fndecl): Use new CALL_EXPR accessors.
1862         (tree_operand_check_failed): Change parameters to pass entire node
1863         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1864         (process_call_operands): New.
1865         (build_vl_exp_stat): New.
1866         (build_call_list): New.
1867         (build_call_nary): New.
1868         (build_call_valist): New.
1869         (build_call_array): New.
1870         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1871         (call_expr_arglist): New.
1872
1873         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1874         tcc_vl_exp instead of a fixed-size tcc_expression.
1875
1876         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1877         accessors for CALL_EXPRs.
1878         (AGGR_INIT_EXPR): Likewise.
1879
1880 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1881             Brooks Moses  <brooks.moses@codesourcery.com>
1882             Lee Millward  <lee.millward@codesourcery.com>
1883
1884         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1885         (expand_builtin_nonlocal_goto): Change parameter to be entire
1886         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1887         (expand_builtin_prefetch): Likewise.
1888         (expand_builtin_classify_type): Likewise.
1889         (mathfn_built_in): Return NULL_TREE instead of 0.
1890         (expand_errno_check): Use new CALL_EXPR accessors.
1891         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1892         Return NULL_RTX instead of 0.
1893         (expand_builtin_mathfn_2): Likewise.
1894         (expand_builtin_mathfn_3): Likewise.
1895         (expand_builtin_interclass_mathfn): Likewise.
1896         (expand_builtin_sincos): Likewise.
1897         (expand_builtin_cexpi): Likewise.
1898         (expand_builtin_int_roundingfn): Likewise.
1899         (expand_builtin_int_roundingfn_2): Likewise.
1900         (expand_builtin_pow): Likewise.
1901         (expand_builtin_powi): Likewise.
1902         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1903         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1904         accessors and constructors.  Return NULL_RTX instead of 0.
1905         (expand_builtin_strstr): Likewise.
1906         (expand_builtin_strchr): Likewise.
1907         (expand_builtin_strrchr): Likewise.
1908         (expand_builtin_strpbrk): Likewise.
1909         (expand_builtin_memcpy): Likewise.
1910         (expand_builtin_mempcpy): Likewise.
1911         (expand_builtin_mempcpy_args): New.
1912         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1913         (expand_builtin_memmove_args): New.
1914         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1915         (expand_movstr): Likewise.
1916         (expand_builtin_strcpy): Likewise.
1917         (expand_builtin_strcpy_args): New.
1918         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1919         (expand_builtin_strncpy): Likewise.
1920         (expand_builtin_memset): Likewise.
1921         (expand_builtin_memset_args): New.
1922         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1923         (expand_builtin_memcmp): Likewise.
1924         (expand_builtin_strcmp): Likewise.
1925         (expand_builtin_strncmp): Likewise.
1926         (expand_builtin_strcat): Likewise.
1927         (expand_builtin_strncat): Likewise.
1928         (expand_builtin_strspn): Likewise.
1929         (expand_builtin_strcspn): Likewise.
1930         (expand_builtin_args_info): Likewise.
1931         (expand_builtin_va_start): Likewise.
1932         (gimplify_va_arg_expr): Likewise.
1933         (expand_builtin_va_end): Likewise.
1934         (expand_builtin_va_copy): Likewise.
1935         (expand_builtin_frame_address): Likewise.
1936         (expand_builtin_alloca): Likewise.
1937         (expand_builtin_bswap): Likewise.
1938         (expand_builtin_unop): Likewise.
1939         (expand_builtin_fputs): Likewise.
1940         (expand_builtin_expect): Likewise.
1941         (expand_builtin_fabs): Likewise.
1942         (expand_builtin_copysign): Likewise.
1943         (expand_builtin_printf): Likewise.
1944         (expand_builtin_fprintf): Likewise.
1945         (expand_builtin_sprintf): Likewise.
1946         (expand_builtin_init_trampoline): Likewise.
1947         (expand_builtin_signbit): Likewise.
1948         (expand_builtin_fork_or_exec): Likewise.
1949         (expand_builtin_sync_operation): Likewise.
1950         (expand_builtin_compare_and_swap): Likewise.
1951         (expand_builtin_lock_test_and_set): Likewise.
1952         (expand_builtin_lock_release): Likewise.
1953         (expand_builtin): Likewise.
1954         (builtin_mathfn_code): Likewise.
1955
1956         (fold_builtin_constant_p): Pass call arguments individually instead
1957         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1958         accessors and constructors.  Return NULL_TREE instead of 0.
1959         (fold_builtin_expect): Likewise.
1960         (fold_builtin_classify_type): Likewise.
1961         (fold_builtin_strlen): Likewise.
1962         (fold_builtin_nan): Likewise.
1963         (integer_valued_real_p): Likewise.
1964         (fold_trunc_transparent_mathfn): Likewise.
1965         (fold_fixed_mathfn): Likewise.
1966         (fold_builtin_cabs): Likewise.
1967         (fold_builtin_sqrt): Likewise.
1968         (fold_builtin_cbrt): Likewise.
1969         (fold_builtin_cos): Likewise.
1970         (fold_builtin_cosh): Likewise.
1971         (fold_builtin_tan): Likewise.
1972         (fold_builtin_sincos): Likewise.
1973         (fold_builtin_cexp): Likewise.
1974         (fold_builtin_trunc): Likewise.
1975         (fold_builtin_floor): Likewise.
1976         (fold_builtin_ceil): Likewise.
1977         (fold_builtin_round): Likewise.
1978         (fold_builtin_int_roundingfn): Likewise.
1979         (fold_builtin_bitop): Likewise.
1980         (fold_builtin_bswap): Likewise.
1981         (fold_builtin_logarithm): Likewise.
1982         (fold_builtin_hypot): Likewise.
1983         (fold_builtin_pow): Likewise.
1984         (fold_builtin_powi): Likewise.
1985         (fold_builtin_exponent): Likewise.
1986         (fold_builtin_memset): Likewise.
1987         (fold_builtin_bzero): Likewise.
1988         (fold_builtin_memory_op): Likewise.
1989         (fold_builtin_bcopy): Deleted; call site changed to invoke
1990         fold_builtin_memory_op directly.
1991         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1992         (fold_builtin_strncpy): Likewise.
1993         (fold_builtin_memcmp): Likewise.
1994         (fold_builtin_strcmp): Likewise.
1995         (fold_builtin_strncmp): Likewise.
1996         (fold_builtin_signbit): Likewise.
1997         (fold_builtin_copysign): Likewise.
1998         (fold_builtin_isascii): Likewise.
1999         (fold_builtin_toascii): Likewise.
2000         (fold_builtin_isdigit): Likewise.
2001         (fold_builtin_fabs): Likewise.
2002         (fold_builtin_abs): Likewise.
2003         (fold_builtin_fmin_fmax): Likewise.
2004         (fold_builtin_carg): Likewise.
2005         (fold_builtin_classify): Likewise.
2006         (fold_builtin_unordered_cmp): Likewise.
2007
2008         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
2009         New functions split out from fold_builtin_1.
2010         (fold_builtin_n): New.
2011         (fold_builtin_varargs): New.
2012         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
2013         instead.
2014         (fold_call_expr): New.
2015         (build_function_call_expr): Rewrite to use new helper function.
2016         (fold_builtin_call_list): New.
2017         (build_call_expr): New.
2018         (fold_builtin_call_valist): New.
2019         (rewrite_call_expr): New.
2020         (validate_arg): New.
2021         (validate_arglist): Change parameter to be entire CALL_EXPR instead
2022         of an arglist.  Change return type to bool.  Use new CALL_EXPR
2023         accessors.
2024
2025         (fold_builtin_strstr):  Pass call arguments individually instead
2026         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2027         accessors and constructors.  Return NULL_TREE instead of 0.
2028         (fold_builtin_strchr): Likewise.
2029         (fold_builtin_strrchr): Likewise.
2030         (fold_builtin_strpbrk): Likewise.
2031         (fold_builtin_strcat): Likewise.
2032         (fold_builtin_strncat): Likewise.
2033         (fold_builtin_strspn): Likewise.
2034         (fold_builtin_strcspn): Likewise.
2035         (fold_builtin_fputs): Likewise.
2036         (fold_builtin_next_arg): Likewise.
2037         (fold_builtin_sprintf): Likewise.
2038
2039         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
2040         NULL_RTX instead of 0.
2041         (expand_builtin_memory_chk): Likewise.
2042         (maybe_emit_chk_warning): Likewise.
2043         (maybe_emit_sprintf_chk_warning): Likewise.
2044
2045         (fold_builtin_object_size): Pass call arguments individually instead
2046         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
2047         accessors and constructors.  Return NULL_TREE instead of 0.
2048         (fold_builtin_memory_chk): Likewise.
2049         (fold_builtin_stxcpy_chk): Likewise.
2050         (fold_builtin_strncpy_chk): Likewise.
2051         (fold_builtin_strcat_chk): Likewise.
2052         (fold_builtin_strcat_chk): Likewise.
2053         (fold_builtin_strncat_chk): Likewise.
2054         (fold_builtin_sprintf_chk): Likewise.
2055         (fold_builtin_snprintf_chk): Likewise.
2056         (fold_builtin_printf): Likewise.
2057         (fold_builtin_vprintf): Likewise.
2058
2059         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
2060         constructors.
2061         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
2062         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2063         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
2064         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
2065         (fold_unary): Likewise.
2066         (fold_binary): Likewise.
2067         (fold_ternary): Remove CALL_EXPR case, since they are no longer
2068         ternary expressions.
2069         (fold): Add logic for tcc_vl_exp.
2070         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
2071         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2072         (fold_build3_stat): Add assertion to flag broken interface for
2073         constructing CALL_EXPRs.
2074         (fold_build_call_list): New.
2075         (fold_build_call_list_initializer): New.
2076         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
2077         constructors.
2078         (fold_strip_sign_ops): Likewise.
2079
2080 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2081             Brooks Moses  <brooks.moses@codesourcery.com>
2082             Lee Millward  <lee.millward@codesourcery.com>
2083
2084         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
2085         accessors and dump arguments explicitly.
2086
2087         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
2088         TREE_CODE_LENGTH.
2089         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
2090         explicitly.
2091         (print_call_name): Use new CALL_EXPR accessors.
2092
2093         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
2094         CALL_EXPR arguments explicitly instead of as a list.  Use
2095         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2096
2097         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
2098         (vrp_visit_stmt): Likewise.
2099
2100         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
2101         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
2102         TREE_CODE_LENGTH.
2103         (force_move_till_expr): Likewise.
2104
2105         * targhooks.c (default_external_stack_protect_fail): Use
2106         build_call_expr instead of build_function_call_expr.
2107         (default_hidden_stack_protect_fail): Likewise.
2108
2109         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
2110         build the call.
2111
2112         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
2113         and walk arguments explicitly.
2114
2115         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
2116         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2117         (expand_simple_operations): Likewise.
2118         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
2119
2120         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
2121         of TREE_CODE_LENGTH.
2122         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
2123
2124         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
2125         instead of TREE_CODE_LENGTH.
2126
2127         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
2128         (tree_ic_transform): Likewise.
2129         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
2130         parameter instead of arglist.  Fix callers.
2131         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
2132         (tree_stringops_transform): Likewise.
2133         (tree_indirect_call_to_profile): Likewise.
2134         (tree_stringops_values_to_profile): Likewise.
2135
2136         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
2137         (eliminate_tail_call): Likewise.
2138
2139         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2140
2141         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2142         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2143         operands.
2144         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2145
2146         * omp-low.c (build_omp_barrier): Use build_call_expr.
2147         (lower_rec_input_clauses): Likewise.
2148         (lower_reduction_clauses): Likewise.
2149         (expand_parallel_call): Likewise.
2150         (maybe_catch_exception): Likewise.
2151         (expand_omp_for_generic): Likewise.
2152         (expand_omp_for_static_nochunk): Likewise.
2153         (expand_omp_sections): Likewise.
2154         (lower_omp_single_simple): Likewise.
2155         (lower_omp_single_copy): Likewise.
2156         (lower_omp_master): Likewise.
2157         (lower_omp_ordered): Likewise.
2158         (lower_omp_critical): Likewise.
2159
2160         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2161         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2162
2163         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2164         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2165         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2166
2167         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2168         and generalize to handle any number of operands.
2169         (chrec_contains_undetermined): Likewise.
2170         (tree_contains_chrecs): Likewise.
2171         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2172
2173         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2174
2175         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2176         fold_call_expr instead of fold_builtin.
2177         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2178         match declarations there.
2179         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2180         updates.
2181
2182         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2183         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2184
2185         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2186         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2187
2188         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2189         accessors.
2190
2191         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2192         (execute_cse_sincos): Use new CALL_EXPR accessors.
2193
2194         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2195
2196         * gimple-low.c (lower_function_body): Use build_call_expr.
2197         (lower_builtin_setjmp): Likewise.
2198
2199         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2200         (set_storage_via_libcall): Likewise.
2201         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2202         instead of TREE_CODE_LENGTH.
2203         (expand_expr_real_1): Use new CALL_EXPR accessors.
2204
2205         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2206         generalize to handle any number of operands.
2207         (TB_parent_eq): Likewise.
2208
2209         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2210         (strip_builtin_expect): Likewise.
2211
2212         * function.c (gimplify_parameters): Use build_call_expr.
2213
2214         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2215         instead of TREE_CODE_LENGTH.
2216
2217         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2218         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2219
2220         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2221         iterators.
2222
2223         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2224         (gimplify_decl_expr): Likewise.
2225         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2226         Use new CALL_EXPR iterators.
2227         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2228         (gimplify_modify_expr_to_memset): Likewise.
2229         (gimplify_variable_sized_compare): Likewise.
2230         (gimplify_omp_atomic_fetch_op): Likewise.
2231         (gimplify_omp_atomic_pipeline): Likewise.
2232         (gimplify_omp_atomic_mutex): Likewise.
2233         (gimplify_function_tree): Likewise.
2234
2235         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2236         (call_expr_flags): Likewise.
2237         (expand_call): Likewise.
2238
2239         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2240         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2241         accessors.
2242
2243         * coverage.c (create_coverage): Use build_call_expr.
2244
2245         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2246         (temp_call_expr_obstack): New.
2247         (pool_copy_list): Delete.
2248         (temp_copy_call_expr): New.
2249         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2250         CALL_EXPR accessors.  Get rid of special goo for copying argument
2251         lists and use temp_copy_call_expr instead.
2252         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2253         CALL_EXPR accessors.
2254         (create_expression_by_pieces): Likewise.  Use build_call_array
2255         to construct the result instead of fold_build3.
2256         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2257         dealing with argument lists.
2258         (init_pre): Remove references to expression_node_pool and
2259         list_node_pool.  Init temp_call_expr_obstack instead.
2260         (fini_pre): Remove references to expression_node_pool and
2261         list_node_pool.
2262
2263         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2264         and walk arguments explicitly instead of as a list.
2265
2266         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2267         (mx_register_decls): Likewise.
2268         (mudflap_register_call): Likewise.
2269         (mudflap_finish_file): Likewise.
2270
2271         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2272         (ipa_callsite_compute_param): Likewise.
2273
2274         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2275         accessors and constructor.
2276
2277         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2278         accessors and constructor.
2279         (convert_tramp_reference): Likewise.
2280         (convert_call_expr): Likewise.
2281         (finalize_nesting_tree_1): Likewise.
2282
2283         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2284         accessors.
2285
2286         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2287
2288         * tree-inline.c (initialize_inlined_parameters): Pass entire
2289         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2290         accessors.
2291         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2292         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2293
2294         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2295         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2296         (vectorizable_reduction): Likewise.
2297         (vectorizable_call): Use new CALL_EXPR iterators.
2298         (vectorizable_conversion): Use build_call_expr.
2299         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2300         (vect_gen_widened_results_half): Use build_call_expr.
2301         (vect_setup_realignment): Likewise.
2302         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2303
2304         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2305         (pass_through_call): Likewise.
2306         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2307         fold_builtin.
2308
2309         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2310         (tree_gen_pow2_profiler): Likewise.
2311         (tree_gen_one_value_profiler): Likewise.
2312         (tree_gen_ic_func_profiler): Likewise.
2313         (tree_gen_average_profiler): Likewise.
2314         (tree_gen_ior_profiler): Likewise.
2315
2316         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2317         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2318         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2319
2320         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2321         of TREE_CODE_LENGTH.
2322
2323         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2324         of TREE_CODE_LENGTH.
2325
2326         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2327         constructor.
2328         (convert_to_integer): Likewise.
2329
2330         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2331         accessors.
2332
2333 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2334             Brooks Moses  <brooks.moses@codesourcery.com>
2335             Lee Millward  <lee.millward@codesourcery.com>
2336
2337         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2338         accessors.
2339         * config/frv/frv.c (frv_expand_builtin): Likewise.
2340         * config/s390/s390.c (s390_expand_builtin): Likewise.
2341
2342         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2343         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2344
2345         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2346         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2347         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2348         (ix86_expand_store_builtin): Likewise.
2349         (ix86_expand_unop_builtin): Likewise.
2350         (ix86_expand_unop1_builtin): Likewise.
2351         (ix86_expand_sse_compare): Likewise.
2352         (ix86_expand_sse_comi): Likewise.
2353         (ix86_expand_vec_init_builtin): Likewise.
2354         (ix86_expand_vec_ext_builtin): Likewise.
2355         (ix86_expand_vec_set_builtin): Likewise.
2356         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2357
2358         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2359         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2360
2361         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2362         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2363         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2364
2365         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2366         build_call_expr.
2367         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2368         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2369         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2370         (altivec_expand_abs_builtin): Likewise.
2371         (rs6000_expand_binop_builtin): Likewise.
2372         (altivec_expand_predicate_builtin): Likewise.
2373         (altivec_expand_lv_builtin): Likewise.
2374         (spe_expand_stv_builtin): Likewise.
2375         (altivec_expand_stv_builtin): Likewise.
2376         (rs6000_expand_ternop_builtin): Likewise.
2377         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
2378         (altivec_expand_st_builtin): Likewise.
2379         (altivec_expand_dst_builtin): Likewise.
2380         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
2381         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2382         (altivec_expand_vec_set_builtin): Likewise.
2383         (altivec_expand_vec_ext_builtin): Likewise.
2384         (altivec_expand_builtin): Use new CALL_EXPR accessors.
2385         (spe_expand_builtin): Likewise.
2386         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
2387         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2388         (spe_expand_evsel_builtin): Likewise.
2389         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
2390         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
2391
2392         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
2393         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2394         (arm_expand_unop_builtin): Likewise.
2395         (arm_expand_builtin): Use new CALL_EXPR accessors.
2396
2397         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
2398         accessors.
2399
2400         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
2401         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2402         (bfin_expand_unop_builtin): Likewise.
2403         (bfin_expand_builtin): Use new CALL_EXPR accessors.
2404
2405 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2406             Brooks Moses  <brooks.moses@codesourcery.com>
2407             Lee Millward  <lee.millward@codesourcery.com>
2408
2409         * c-semantics.c (build_stmt): Add internal diagnostic check.
2410
2411         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
2412         accessors.  Print arguments explicitly instead of as a list.
2413
2414         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
2415
2416         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
2417         (c_finish_omp_flish): Likewise.
2418
2419         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
2420         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
2421         instead of TREE_CODE_LENGTH.
2422         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
2423         (c_warn_unused_result): Likewise.
2424
2425 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2426
2427         PR c/26494
2428         * doc/invoke.texi (Warning Options): Remove
2429         -Werror-implicit-function-declaration.
2430         (Wimplicit-function-declaration): Update description.
2431         * opts.c (common_handle_option): Move handling of -Werror=* to...
2432         (enable_warning_as_error): ...here.
2433         * opts.h (enable_warning_as_error): Declare.
2434         * c-decl.c (implicit_decl_warning): Unless
2435         -Wno-implicit-function-declaration is given, emit a pedwarn if
2436         -std=c99 or emit a warning if -Wimplicit-function-declaration.
2437         * c.opt (Wimplicit-function-declaration): Replace
2438         mesg_implicit_function_declaration with
2439         warn_implicit_function_declaration.
2440         * c-opts.c (c_common_handle_option):
2441         -Werror-implicit-function-declaration is exactly equal as
2442         -Werror=implicit-function-declaration.
2443         (set_Wimplicit): Replace mesg_implicit_function_declaration with
2444         warn_implicit_function_declaration.
2445         (c_common_post_options): -Wimplict-function-declaration is enabled
2446         by default by -std=c99, otherwise is disabled by default.
2447         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
2448
2449 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2450
2451         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
2452         DECL on the rhs to a DECL on the lhs for debug info purposes if the
2453         former is ignored but not the latter.
2454
2455 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2456
2457         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
2458         is made and the reference doesn't use the alias set of its type,
2459         do not create the temporary using that type.
2460
2461 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
2462
2463         * jump.c: Remove prototypes for delete_computation and
2464         delete_prior_computation.
2465
2466 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2467
2468         * jump.c (get_label_after): Delete.
2469         (get_label_before, delete_computation, delete_jump,
2470         delete_prior_computation, follow_jumps): Move...
2471         * reorg.c (delete_computation, delete_prior_computation): ... here...
2472         (get_label_before, delete_jump): ... making these static ...
2473         (follow_jumps): ... and simplifying this since it only runs after
2474         reload.
2475         * rtl.h (get_label_after, get_label_before, delete_jump,
2476         follow_jumps): Delete prototypes.
2477
2478 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2479
2480         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
2481
2482 2007-02-15  Nick Clifton  <nickc@redhat.com>
2483
2484         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
2485         order to prevent it from being munged by the target.
2486
2487 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
2488
2489         * config/i386/i386.md: Remove misleading comment.
2490
2491 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2492
2493         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
2494         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
2495         invalid patterns.
2496
2497 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2498
2499         * tree-sra.c (instantiate_missing_elements): Canonicalize
2500         bit-field types.
2501         (sra_build_assignment): New.
2502         (generate_copy_inout, generate_element_copy,
2503         generate_element_zero, generate_one_element_init): Use it.
2504
2505 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2506
2507         * tree-sra.c (instantiate_missing_elements): Canonicalize
2508         bit-field types.
2509         (sra_build_assignment): New.
2510         (generate_copy_inout, generate_element_copy,
2511         generate_element_zero, generate_one_element_init): Use it.
2512
2513 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2514
2515         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
2516         limbo die nodes.
2517
2518 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
2519
2520         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
2521         types as aggregates not scalars.
2522         * function.c (assign_stack_temp_for_type): Likewise.
2523
2524 2007-02-14  Roger Sayle  <roger@eyesopen.com>
2525             Zdenek Dvorak  <dvorakz@suse.cz>
2526
2527         * tree-dump.c (dump_switch_p_1): Require exact match of the option
2528         name.
2529
2530 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
2531
2532         * passes.c (next_pass_1): Clear the next field of the copied
2533         pass structure.
2534
2535 2007-02-14  Richard Henderson  <rth@redhat.com>
2536
2537         * tree-sra.c (early_sra): New.
2538         (decl_can_be_decomposed_p): Deny va_list if early_sra.
2539         (tree_sra_early, pass_sra_early): New.
2540         * tree-pass.h (pass_sra_early): Declare.
2541         * passes.c (init_optimization_passes): Use it.
2542
2543 2007-02-14  Richard Guenther  <rguenther@suse.de>
2544
2545         * flags.h (issue_strict_overflow_warning): Convert to a macro.
2546
2547 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
2548
2549          PR tree-optimization/30771
2550         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
2551         also phi nodes.
2552         (vect_analyze_operations): Induction phis can now be marked as
2553         used_in_loop.
2554         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
2555         Update documentation accordingly.
2556
2557 2007-02-14  Nick Clifton  <nickc@redhat.com>
2558
2559         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
2560         most 3 arguments are supported.
2561         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
2562
2563 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
2564
2565         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
2566         Ensure dst->current is valid.
2567
2568 2007-02-13  Paul Brook  <paul@codesourcery.com>
2569
2570         * config.gcc: Add arm*-*-uclinux-*eabi.
2571         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
2572         (SUBTARGET_EXTRA_LINK_SPEC): Define.
2573         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
2574         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
2575         (LINK_SPEC): Define.
2576         (LIB_SPEC): Define.
2577         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
2578         register.
2579         * config/arm/uclinux-eabi.h: New file.
2580         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
2581         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
2582         based targets.
2583
2584 2007-02-13  Ian Lance Taylor  <iant@google.com>
2585
2586         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
2587         * flags.h (warn_strict_overflow): Declare.
2588         (enum warn_strict_overflow_code): Define.
2589         (issue_strict_overflow_warning): New static inline function.
2590         * opts.c (warn_strict_overflow): New variable.
2591         (common_handle_option): Handle OPT_Wstrict_overflow and
2592         OPT_Wstrict_overflow_.
2593         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
2594         OPT_Wall.
2595         * fold-const.c: Include intl.h.
2596         (fold_deferring_overflow_warnings): New static variable.
2597         (fold_deferred_overflow_warning): New static variable.
2598         (fold_deferred_overflow_code): New static variable.
2599         (fold_defer_overflow_warnings): New function.
2600         (fold_undefer_overflow_warnings): New function.
2601         (fold_undefer_and_ignore_overflow_warnings): New function.
2602         (fold_deferring_overflow_warnings_p): New function.
2603         (fold_overflow_warning): New static function.
2604         (make_range): Add strict_overflow_p parameter.  Change all
2605         callers.
2606         (extract_muldiv, extract_muldiv_1): Likewise.
2607         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
2608         tree_expr_nonnegative_p.
2609         (fold_negate_expr): Call fold_overflow_warning.
2610         (fold_range_test): Likewise.
2611         (fold_comparison): Likewise.
2612         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
2613         instead of tree_expr_nonnegative_p.
2614         (tree_expr_nonnegative_warnv_p): Rename from
2615         tree_expr_nonnegative_p, add strict_overflow_p parameter.
2616         (tree_expr_nonnegative_p): New function.
2617         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
2618         strict_overflow_p parameter.
2619         (tree_expr_nonzero_p): New function.
2620         * passes.c (verify_interpass_invariants): New static function.
2621         (execute_one_pass): Call it.
2622         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
2623         warnings.
2624         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
2625         (estimate_numbers_of_iterations): Likewise.
2626         (scev_probably_wraps_p): Likewise.
2627         * tree-ssa-ccp.c: Include "toplev.h".
2628         (evaluate_stmt): Defer fold overflow warnings until we know we are
2629         going to optimize.
2630         (struct fold_stmt_r_data): Add stmt field.
2631         (fold_stmt_r): Defer fold overflow warnings until we know we
2632         optimized.
2633         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
2634         (fold_stmt_inplace): Likewise.
2635         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
2636         (cleanup_control_expr_graph): Defer fold overflow warnings until
2637         we know we are going to optimize.
2638         * tree-cfg.c (fold_cond_expr_cond): Likewise.
2639         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
2640         Likewise.
2641         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2642         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
2643         * tree-ssa-loop-manip.c (create_iv): Likewise.
2644         * c-typeck.c (build_conditional_expr): Likewise.
2645         (build_binary_op): Likewise.
2646         * tree-vrp.c (vrp_expr_computes_nonzero): Call
2647         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
2648         (extract_range_from_unary_expr): Likewise.
2649         * simplify-rtx.c (simplify_const_relational_operation): Warn when
2650         assuming that signed overflow does not occur.
2651         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
2652         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
2653         (fold_defer_overflow_warnings): Declare.
2654         (fold_undefer_overflow_warnings): Declare.
2655         (fold_undefer_and_ignore_overflow_warnings): Declare.
2656         (fold_deferring_overflow_warnings_p): Declare.
2657         (tree_expr_nonzero_warnv_p): Declare.
2658         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
2659         of warning options.
2660         (Warning Options): Document -Wstrict-overflow.
2661         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
2662         (tree-ssa-ccp.o): Likewise.
2663         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
2664         (fold-const.o): Depend on intl.h.
2665
2666 2007-02-13  Ian Lance Taylor  <iant@google.com>
2667
2668         PR middle-end/30751
2669         * lower-subreg.c (resolve_simple_move): Decompose subregs in
2670         addresses.
2671
2672 2007-02-13  Stuart Hastings  <stuart@apple.com>
2673
2674         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
2675
2676 2007-02-13  Richard Henderson  <rth@redhat.com>
2677
2678         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
2679         handled_component_p before looking for the indirect_ref.
2680
2681 2007-02-13  Richard Henderson  <rth@redhat.com>
2682
2683         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
2684         remove flags clobber.
2685         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
2686         (bswaphi_lowpart): New.
2687         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
2688         remove TARGET_BSWAP test.  Delete expander of the same name.
2689
2690         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
2691         (expand_unop): Use them.
2692
2693 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
2694
2695         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
2696         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
2697         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
2698         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
2699         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2700         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2701         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2702         assembler dialect choice from asm templates.
2703
2704 2007-02-12  Richard Henderson  <rth@redhat.com>
2705
2706         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2707         (fixuns_trunc<SSEMODEF>si2): Use it.
2708         * config/i386/sse.md (vec_setv4sf_0): Export.
2709         * config/i386/i386.c (ix86_build_const_vector): Export.
2710         (ix86_split_convert_uns_si_sse): Rename from
2711         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2712         * config/i386/i386-protos.h: Update.
2713
2714 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2715
2716         PR c/29521
2717         * c-typeck.c (c_finish_return): Improve warning message.
2718
2719 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2720
2721         * alias.c (find_symbolic_term): Delete unused function.
2722
2723 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2724
2725         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2726         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2727         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2728
2729 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2730
2731         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2732         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2733         the function, temporarily point the debug interface to the null one.
2734
2735 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2736
2737         * dwarf2out.c (round_up_to_align): New static function.
2738         (field_byte_offset): Use it to round the offset.
2739
2740 2007-02-12  Richard Henderson  <rth@redhat.com>
2741
2742         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2743         (inswl_const): Export.
2744
2745 2007-02-12  Richard Henderson  <rth@redhat.com>
2746
2747         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2748         result mode of the libcall, convert back to outmode.
2749
2750 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2751
2752         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2753         (bswapdi2): New define_expand to implement 32-bit implementation.
2754
2755 2007-02-12  Nick Clifton  <nickc@redhat.com>
2756
2757         * doc/invoke.texi (Overall Options): Document --help=.
2758         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2759         (cc1_options): Pass --help= on to cc1.
2760         (display_help): Add description of --help=.
2761         (process_command): Add code to handle --help=.  Allow translated
2762         --help and --target-help switches to be passed on to compiler
2763         sub-process.
2764         (main): Remove unused if statement.
2765         * opts.c (columns): Remove.
2766         (LEFT_COLUMN): Define.
2767         (wrap_help): Add columns argument.
2768         (print_filtered_help): Change parameters to be an include bitmask,
2769         an exclude bitmask, an any bitmask and the column width.  Move the
2770         code to display the params list here.  Add code to display the
2771         status of options rather than their descriptions if the quiet flag
2772         is not active.
2773         (print_specific_help): Change parameters to be an include bitmask,
2774         an exclude bitmask and an any bitmask.  Move code to look up the
2775         column width here.  Decide upon the title for an options listing.
2776         (common_handle_options): Add code to handle --help=.  Adapt code
2777         for --help and --target-help to use the revised form of the
2778         print_specific_help function.
2779         (print_help): Delete.
2780         (print_param_help): Delete.
2781         (print_switch): Delete.
2782         * opts.h (cl_lang_count): Add prototype.
2783         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2784         CL_MAX_OPTION_CLASS): New defines.
2785         * optc-gen.awk: Add construction of cl_lang_count.
2786         * c.opt: Add Warning attribute to warning options and Optimization
2787         attribute to optimization options.
2788         * common.opt: Likewise.
2789         Add --help=.
2790         Add -fhelp and -ftarget-help as aliases for the transformed --help
2791         and --target-help options.
2792         * opt-functions.awk: Add code to handle Warning and Optimization
2793         attributes.
2794
2795 2007-02-12  Richard Henderson  <rth@redhat.com>
2796
2797         * config/alpha/constraints.md: New file.
2798         * config/alpha/alpha.c: Include tm-constrs.h.
2799         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2800         alpha_extra_constraint): Remove.
2801         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2802         * config/alpha/alpha-protos.h: Update.
2803         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2804         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2805         (EXTRA_CONSTRAINT): Remove.
2806         * config/alpha/alpha.md: Include constraints.md.
2807         (adddi splitter): Use satisfies_constraint_*.
2808         * config/alpha/predicates.md (add_operand): Likewise.
2809         (sext_add_operand, addition_operation): Likewise.
2810
2811 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2812
2813         PR tree-optimization/29145
2814         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2815         in our handling of restrict qualified pointers.
2816
2817 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2818
2819         PR middle-end/7651
2820         * doc/invoke.texi (Wunused-value): Update description.
2821         (Wextra): Delete item.
2822         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2823         value of Wunused-value.
2824         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2825         (c_finish_stmt_expr): Don't check extra_warnings.
2826         (emit_side_effect_warnings): The caller is responsible to check
2827         warn_unused_value.
2828
2829 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2830             Matt Thomas  <matt@3am-software.com>
2831
2832         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2833
2834 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2835
2836         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2837         comparisons of POPCOUNT against zero.
2838         (simplify_const_relational_operation): Likewise.
2839
2840 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2841
2842         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2843
2844 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2845
2846         * dwarf2out.c (root_type): Delete unused function.
2847
2848 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2849
2850         * genattrtab.c (contained_in_p): Delete unused function.
2851         (write_expr_attr_cache): Likewise.
2852
2853 2007-02-11  Jan Hubicka  <jh@suse.cz>
2854
2855         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2856         previous patch.
2857
2858 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2859
2860         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2861         to add the REG_EQ* note.
2862         * see.c (see_merge_one_use_extension): Likewise.
2863         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2864         turn REG_EQUAL notes into REG_EQUIV notes if the target
2865         register may have more than one set.
2866         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2867         * gcse.c (try_replace_reg): Likewise.
2868         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2869         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2870         more than one REG_EQUIV note.
2871         * reload1.c (gen_reload): Use set_unique_reg_note.
2872
2873 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2874
2875         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2876         (ix86_builtin_conversion): New function.
2877
2878 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2879
2880         PR target/29487
2881         * tree.h (DECL_REPLACEABLE_P): New macro.
2882         * except.c (set_nothrow_function_flags): Likewise.
2883
2884 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2885             Ira Rosen  <irar@il.ibm.com>
2886             Dorit Nuzman  <dorit@il.ibm.com>
2887
2888         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2889         * targhooks.c (default_builtin_vectorized_conversion): New.
2890         * targhooks.h (default_builtin_vectorized_function): New declaration.
2891         * target.h (struct vectorize): Add builtin_conversion field.
2892         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2893         stmt_vec_info_type value.
2894         (vectorizable_conversion): New declaration.
2895         * tree-vect-analyze.c (vect_analyze_operations): Add
2896         vectorizable_conversion call.
2897         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2898         * tree-vect-transform.c (vectorizable_conversion): New function.
2899         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2900         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2901         mode.
2902         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2903         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2904         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2905         or ALTIVEC_BUILTIN_VCFSX.
2906
2907 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2908
2909         PR target/30634
2910         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2911         CONST_DOUBLE and operand 0 is a hard register.
2912         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2913         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2914         is a hard floating-point register.
2915
2916 2007-02-10  Richard Henderson  <rth@redhat.com>
2917             Jakub Jelinek  <jakub@redhat.com>
2918             Alexandre Oliva  <aoliva@redhat.com>
2919
2920         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2921         * builtin-types.def (BT_WORD): Make unsigned.
2922         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2923         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2924         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2925         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2926         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2927         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2928         emulated tls.
2929         * expr.c (emutls_var_address): New.
2930         (expand_expr_real_1): Expand emulated tls.
2931         (expand_expr_addr_expr_1): Likewise.
2932         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2933         * output.h (emutls_finish): Declare.
2934         * toplev.c (compile_file): Call it.
2935         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2936         address before wrapping in CONST.
2937         * varasm.c (emutls_htab, emutls_object_type): New.
2938         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2939         (get_emutls_object_name, get_emutls_object_type): New.
2940         (get_emutls_init_templ_addr, emutls_decl): New.
2941         (emutls_common_1, emutls_finish): New.
2942         (assemble_variable): When emulating tls, swap decls; generate
2943         constructor for the emutls objects.
2944         (do_assemble_alias): When emulating tls, swap decl and target name.
2945         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2946         for emulated tls.
2947         * varpool.c (decide_is_variable_needed): Look at force_output.
2948         Recurse for emulated tls.
2949         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2950         with decide_is_variable_needed.
2951         * emutls.c: New file.
2952         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2953         tls_object for real tls.
2954
2955 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2956
2957         PR rtl-optimization/29599
2958         * reload1.c (eliminate_regs_in_insn): Take the destination
2959         mode into account when computing the offset.
2960
2961 2007-02-09  Stuart Hastings  <stuart@apple.com>
2962             Richard Henderson  <rth@redhat.com>
2963
2964         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2965         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2966         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2967         fixuns_truncdfhi2): New.
2968         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2969         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2970         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2971         (floatunssidf2): Allow nonimmediate source.
2972         * gcc/config/i386/sse.md (movdi_to_sse): New.
2973         (vec_concatv2di): Drop '*'.
2974         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2975         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2976         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2977         New.
2978         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2979         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2980         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2981         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2982         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2983         ix86_build_const_vector.
2984         (x86_emit_floatuns): Rewrite.
2985
2986 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2987
2988         * genautomata.c (longest_path_length): Delete unused function.
2989         (struct state): Delete unused longest_path_length.
2990         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2991         (get_free_state): Delete unused.
2992
2993 2007-02-09  Jan Hubicka  <jh@suse.cz>
2994
2995         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2996         * doc/invoke.texi (inline-unit-growth): Update default value.
2997
2998         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2999         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
3000         (rebuild_cgraph_edges): Likewise.
3001         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
3002         (dump_cgraph_node): Dump frequencies.
3003         (cgraph_clone_edge): Add frequency scales.
3004         (cgraph_clone_node): Add freuqnecy.
3005         * cgraph.h (cgraph_edge): Add freuqnecy argument.
3006         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
3007         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
3008         * tree-pass.h (TODO_rebuild_frequencies): New constant.
3009         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
3010         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
3011         (save_inline_function_body): Likewise.
3012         * ipa-inline.c: inluce rtl.h
3013         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
3014         (cgraph_edge_badness): Use frequencies.
3015         (cgraph_decide_recursive_inlining): Update clonning.
3016         (cgraph_decide_inlining_of_small_function): Dump frequency.
3017         * predict.c (estimate_bb_frequencies): Export.
3018         * predict.h (estimate_bb_frequencies): Declare.
3019         * tree-inline.c (copy_bb): Watch overflows.
3020         (expand_call_inline): Update call of cgraph_create_edge.
3021         (optimize_inline_calls): Use TODO flags to update frequnecies.
3022         * passes.h: Include predict.h
3023         (init_optimization_passes): Move profile ahead.
3024         (execute_function_todo): Handle TODO_rebuild_frequencies.
3025
3026 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3027
3028         * config/alpha/alpha.c (emit_insxl): Force the first operand of
3029         the insbl or inswl pattern into a register.
3030
3031 2007-02-09  Roger Sayle  <roger@eyesopen.com>
3032
3033         * config/ia64/ia64.md (bswapdi2): New define_insn.
3034
3035 2007-02-09  Richard Henderson  <rth@redhat.com>
3036
3037         * config/i386/constraints.md (Ym): New constraint.
3038         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
3039         (movdi_1_rex64): Split sse and xmm general register moves from
3040         memory move alternatives.  Use conditional register constraints.
3041         (movsf_1, movdf_integer): Likewise.
3042         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3043         (movdf_integer_rex64): New.
3044         (pushsf_rex64): Fix output constraints.
3045         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
3046         (sse2_stored): Likewise.
3047         (sse2_storeq_rex64): New.
3048         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
3049         amd and not generic.
3050         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
3051         for optimize_size.  Remove SF/DFmode hack.
3052
3053 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3054
3055         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
3056         (bit_SSE4a): New.
3057
3058 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
3059             Richard Sandiford  <richard@codesourcery.com>
3060
3061         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
3062         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
3063         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
3064         m68k/t-mlib to tmake_file.
3065         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
3066         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
3067         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
3068         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
3069         variable is not empty, add t-$m68k_arch_family to tmake_file.
3070         Add t-mlibs to tmake_file.
3071         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
3072         * config/m68k/t-cf: New file.
3073         * config/m68k/t-m68k: Likewise.
3074         * config/m68k/t-mlibs: Likewise.
3075         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3076         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3077         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3078         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3079         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
3080         Delete.
3081         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
3082         (INSTALL_LIBGCC): Delete.
3083         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
3084         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3085         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3086         (M68K_MLIB_CPU): Define.
3087         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
3088         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
3089         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
3090
3091 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
3092             Richard Guenther  <rguenther@suse.de>
3093
3094         PR middle-end/23361
3095         * fold-const.c (fold_comparison): Handle obfuscated comparisons
3096         against INT_MIN/INT_MAX.
3097         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
3098         file if a loop is removed.
3099
3100 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
3101
3102         * calls.c (store_one_arg): Pass correct alignment to
3103         emit_push_insn for non-BLKmode values.
3104         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
3105         unaligned stack slot via a suitably aligned slot.
3106
3107 2007-02-08  DJ Delorie  <dj@redhat.com>
3108
3109         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
3110         warnings.
3111         (legal_subregs): Use unsigned char, make const.
3112         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
3113
3114 2007-02-08  Paul Brook  <paul@codesourcery.com>
3115
3116         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
3117         special interworking needed.
3118
3119 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
3120
3121         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
3122         conditional to __SSE2__.
3123         (Entries below should have been added to first ChangeLog
3124         entry for amdfam10 dated 2007-02-05)
3125         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
3126         defined.
3127         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
3128         defined.
3129         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
3130         defined.
3131
3132 2007-02-08  DJ Delorie  <dj@redhat.com>
3133
3134         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
3135         * config/m32c/m32c.c (legal_subregs): New.
3136         (m32c_illegal_subreg_p): New.
3137         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
3138         unsupported subregs of hard regs.
3139
3140 2007-02-08  Jan Hubicka  <jh@suse.cz>
3141
3142         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3143         the same one; always update histograms.
3144
3145 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3146
3147         * passes.c (init_optimization_passes): Tidy comment.
3148
3149 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3150
3151         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3152         strip zero_extend, bswap and rotates from POCOUNT's argument.
3153         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3154         zero_extend and rotates from PARITY's argument.
3155         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3156         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3157         of an integer constant at compile-time.
3158
3159 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3160
3161         PR 30562
3162         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3163         Update all users.
3164         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3165         users.
3166         (init_alias_info):
3167         * tree-ssa-live.c (remove_unused_locals): Do not remove
3168         TREE_ADDRESSABLE variables.
3169         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3170         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3171         FOR_CLOBBER.  Update all users.
3172         If VAR has an associated alias set, add a virtual operand for
3173         it if no alias is found to conflict with the memory reference.
3174
3175 2007-02-07  Jan Hubicka  <jh@suse.cz>
3176             Robert Kidd <rkidd@crhc.uiuc.edu>
3177
3178         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3179
3180 2007-02-07  Ian Lance Taylor  <iant@google.com>
3181
3182         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3183
3184 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3185
3186         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3187         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3188         tablejumpdi, movsi_to_cr_one): Remove constraints from
3189         define_expand's match_operands.
3190
3191 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3192
3193         * global.c (compute_regsets): Move declatation of "i" inside of
3194         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3195
3196 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3197
3198         PR c++/30703
3199         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3200         of INDIRECT_REF <RESULT_DECL>.
3201
3202         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3203
3204 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3205             Kaz Kojima  <kkojima@gcc.gnu.org>
3206
3207         PR target/29746
3208         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3209         properly.
3210         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3211
3212 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3213
3214         * doc/loop.texi: Document possibility not to perform disambiguation
3215         of loops with multiple latches.
3216         * cfgloopmanip.c (alp_enum_p): Removed.
3217         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3218         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3219         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3220         the new forwarder block.
3221         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3222         Handle the case latch is NULL.
3223         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3224         when marking loop exits.
3225         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3226         be modified.
3227         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3228         disambiguate_loops_with_multiple_latches.
3229         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3230         before fix_loop_structure.
3231         * cfgloop.c: Include pointer-set.h and output.h.
3232         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3233         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3234         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3235         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3236         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3237         disambiguate_multiple_latches, get_loop_body_with_size,
3238         disambiguate_loops_with_multiple_latches): New functions.
3239         (flow_loop_dump): Dump multiple latch edges.
3240         (flow_loop_nodes_find): Handle loops with multiple latches.
3241         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3242         (glb_enum_p): Modified.
3243         (get_loop_body): Use get_loop_body_with_size.
3244         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3245         (AVOID_CFG_MODIFICATIONS): New constant.
3246         (disambiguate_loops_with_multiple_latches, add_loop,
3247         get_loop_body_with_size): Declare.
3248         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3249
3250 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3251
3252         PR inline-asm/28686
3253         * global.c (compute_regsets): New function.
3254         (global_alloc): Refactored ELIMINABLE_REGSET
3255         and NO_GLOBAL_ALLOC_REGS computation out.
3256         (rest_of_handle_global_alloc): Call compute_regsets()
3257         for non-optimizing case.
3258
3259 2007-02-06  Richard Henderson  <rth@redhat.com>
3260
3261         * config/i386/constraints.md (Y2): Rename from Y.
3262         (Yi): New constraint.
3263         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3264         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3265         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3266         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3267         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3268         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3269         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3270         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3271         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3272         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3273         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3274         vec_extractv2si_1): Change Y constraints to Y2.
3275         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3276         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3277         Change Y constraints to Y2.
3278         (sse2_loadld): Change Y constraints to x.
3279
3280 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3281
3282         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3283         (parity<mode>2): New define_expand using rs6000_emit_parity.
3284         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3285         rs6000_emit_parity): New functions.
3286         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3287         rs6000_emit_parity): Prototype here.
3288
3289 2007-02-06  Ian Lance Taylor  <iant@google.com>
3290
3291         * lower-subreg.c (simple_move_operand): Reject CONST.
3292         (resolve_clobber): Call validate_change rather than directly
3293         assigning to XEXP (pat, 0).
3294
3295 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3296
3297         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3298         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3299         (tree-cfg.o): Remove hashtab.h dependency.
3300
3301         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3302         (struct ivopts_data): Change niters to pointer_map_t.
3303         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3304         (niter_for_exit): Create pointer_map on demand.  Change for
3305         pointer_map API.
3306         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3307         (free_loop_data): Destroy data->niters if created and reset field.
3308         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3309         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3310
3311         * tree-ssa-reassoc.c: Include pointer-set.h.
3312         (bb_rank): Change to long *.
3313         (operand_rank): Change to pointer_map_t.
3314         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3315         (insert_operand_rank): Accept long.
3316         (operand_entry_hash, operand_entry_eq): Remove.
3317         (get_rank): Return long.  Adjust for changes above.
3318         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3319         and operand_rank.
3320         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3321
3322         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3323         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3324         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3325         is not NULL.
3326         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3327         directly since it cannot be NULL.
3328         (get_vi_for_tree): Rewrite for pointer_map API.
3329         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3330         (init_alias_vars): Create vi_for_tree as pointer_map.
3331         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3332
3333         * tree-cfg.c: Don't include hashtab.h.
3334         (edge_to_cases): Declare as pointer_map.
3335         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3336         Delete.
3337         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3338         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3339         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3340         destroying it.
3341         (record_switch_edge): Delete.
3342         (get_cases_for_edge): Adjust for pointer_map API, inline
3343         record_switch_edge (rewritten for new API), remove goto.
3344
3345 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3346
3347         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3348         * tree-nested.c: Include pointer-set.h.
3349         (var_map_elt, var_map_eq, var_map_hash): Delete.
3350         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3351         to pointer_map_t's.
3352         (nesting_info_bitmap_obstack): New.
3353         (lookup_field_for_decl): Adjust for pointer_map API.
3354         (lookup_tramp_for_decl): Adjust for pointer_map API.
3355         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3356         (get_local_debug_decl): Adjust for pointer_map API.
3357         (convert_nl_goto_reference): Adjust for pointer_map API.
3358         (convert_nl_goto_receiver): Adjust for pointer_map API.
3359         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3360         the new obstack.  Create field_map and var_map as pointer_maps.
3361         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3362         (root): Delete.
3363         (lower_nested_functions): Move root here, no need to NULL it.
3364         Initialize and release the obstack.
3365
3366 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3367
3368         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3369         Remove prototypes and make them non-static.
3370         (struct tree_int_map): Remove.
3371         * tree.h (struct tree_int_map): Move here, turning TO into an
3372         unsigned int.
3373         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
3374
3375         * tree.h (TREE_COMPLEXITY): Remove.
3376         (struct tree_exp): Remove complexity field.
3377         * tree.c (build1_stat): Don't set it.
3378
3379 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
3380             Victor Kaplansky  <victork@il.ibm.com>
3381
3382         * tree-vectorizer.c (vect_is_simple_use): Support induction.
3383         (vect_is_simple_reduction): Support reduction with induction as
3384         one of the operands.
3385         (vect_is_simple_iv_evolution): Fix formatting.
3386         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
3387         formatting.  Don't mark induction phis for vectorization.
3388         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
3389         * tree-vect-transform.c (get_initial_def_for_induction): New function.
3390         (vect_get_vec_def_for_operand): Support induction.
3391         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
3392         induction case.
3393         (vectorizable_reduction): Support reduction with induction as one of
3394         the operands.
3395         (vectorizable_type_demotion): Use def-type of stmt argument rather
3396         than dummy def-type.
3397
3398         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
3399         flag_tree_scev_cprop.
3400         * common.opt (tree-scev-cprop): New flag.
3401
3402         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
3403         call to vect_get_new_vect_var.
3404
3405 2007-02-06  Ira Rosen  <irar@il.ibm.com>
3406
3407         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
3408         vectype is not NULL.
3409         (vect_pattern_recog_1): Likewise.
3410
3411 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3412
3413         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
3414         (fold_negate_expr): Likewise.
3415
3416 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
3417
3418         PR debug/30189
3419         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
3420         even if cv-qualification is the same.
3421
3422 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
3423
3424         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
3425         __enable_execute_stack on completion.
3426
3427 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3428
3429         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
3430         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
3431         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
3432         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
3433         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
3434         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
3435         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
3436         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
3437
3438 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3439
3440         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
3441         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
3442         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
3443         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
3444         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
3445         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
3446         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
3447         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
3448         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
3449         umuldi3_highpart_rex64, umulsi3_highpart_insn,
3450         umulsi3_highpart_zext, smuldi3_highpart_rex64,
3451         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
3452         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
3453         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
3454         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
3455         sqrtextenddfxf2_i387): Added amdfam10_decode.
3456
3457         * config/i386/athlon.md (athlon_idirect_amdfam10,
3458         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
3459         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
3460         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
3461         athlon_ivector_store_amdfam10): New define_insn_reservation.
3462         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
3463         amdfam10.
3464
3465 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3466
3467         * config/i386/athlon.md (athlon_call_amdfam10,
3468         athlon_pop_amdfam10, athlon_lea_amdfam10): New
3469         define_insn_reservation.
3470         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
3471         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
3472         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
3473
3474 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3475
3476         * config/i386/athlon.md (athlon_sseld_amdfam10,
3477         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
3478         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
3479
3480 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3481
3482         * config/i386/athlon.md (athlon_sseins_amdfam10): New
3483         define_insn_reservation.
3484         * config/i386/i386.md (sseins): Added sseins to define_attr type
3485         and define_attr unit.
3486         * config/i386/sse.md: Set type attribute to sseins for insertq
3487         and insertqi.
3488
3489 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3490
3491         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
3492         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
3493         ssecomi_load_amdfam10, ssecomi_amdfam10,
3494         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
3495         define_insn_reservation.
3496         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
3497
3498 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3499
3500         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
3501         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
3502         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
3503         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
3504         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
3505         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
3506         define_insn_reservation.
3507
3508         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
3509         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
3510         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
3511         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
3512         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
3513
3514 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3515
3516         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
3517         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
3518         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
3519         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
3520         athlon_ssemul_load_k8): Added amdfam10.
3521
3522 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3523
3524         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
3525         (x86_sse_unaligned_move_optimal): New variable.
3526
3527         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
3528         m_AMDFAM10.
3529         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
3530         for unaligned vector SSE double/single precision loads for AMDFAM10.
3531
3532 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3533
3534         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
3535         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
3536         Define TARGET_CPU_DEFAULT_amdfam10.
3537         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
3538         (processor_type): Add PROCESSOR_AMDFAM10.
3539
3540         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
3541         processor_type in config/i386/i386.h.
3542         Enable imul peepholes for TARGET_AMDFAM10.
3543
3544         * config.gcc: Add support for --with-cpu option for amdfam10.
3545
3546         * config/i386/i386.c (amdfam10_cost): New variable.
3547         (m_AMDFAM10): New macro.
3548         (m_ATHLON_K8_AMDFAM10): New macro.
3549         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3550         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
3551         x86_promote_QImode, x86_integer_DFmode_moves,
3552         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3553         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
3554         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
3555         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
3556         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
3557         Enable/disable for amdfam10.
3558         (override_options): Add amdfam10_cost to processor_target_table.
3559         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
3560         processor_alias_table.
3561         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
3562         (ix86_adjust_cost): Add code for amdfam10.
3563
3564 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3565
3566         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
3567         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
3568         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
3569         * config/i386/i386.h: Add builtin definition for SSE4A.
3570         * config/i386/i386.md: Add support for ABM instructions
3571         (popcnt and lzcnt).
3572         * config/i386/sse.md: Add support for SSE4A instructions
3573         (movntss, movntsd, extrq, insertq).
3574         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
3575         Add -march=amdfam10 flag.
3576         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
3577         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
3578         and amdfam10.
3579         * doc/extend.texi: Add documentation for SSE4A builtins.
3580
3581 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
3582
3583         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
3584
3585 2007-02-05  Richard Guenther  <rguenther@suse.de>
3586
3587         * tree-vectorizer.h (vectorizable_function): Add argument type
3588         argument, change return type.
3589         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
3590         * tree-vect-transform.c (vectorizable_function): Handle extra
3591         argument, return vectorized function decl.
3592         (build_vectorized_function_call): Remove.
3593         (vectorizable_call): Handle calls with result and argument types
3594         differing.  Handle loop vectorization factor correctly.
3595         * targhooks.c (default_builtin_vectorized_function): Adjust for
3596         extra argument.
3597         * targhooks.h (default_builtin_vectorized_function): Likewise.
3598         * target.h (builtin_vectorized_function): Add argument type
3599         argument.
3600         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
3601         extra argument, allow vectorizing of lrintf.
3602         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
3603         documentation of target hook.
3604
3605 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
3606
3607         PR target/30665
3608         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
3609         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
3610         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
3611
3612 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3613
3614         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
3615         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
3616         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
3617         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
3618         before canonicalizing sincos to cexpi.
3619         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
3620
3621 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3622
3623         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
3624         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
3625         (alpha_init_builtins): Use alpha_add_builtins to process tables.
3626
3627 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3628
3629         * mips-tfile.c (initialize_init_file): Correct endianness test.
3630
3631 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
3632
3633         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
3634         the 'y' constraint.
3635
3636 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3637
3638         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
3639         saves in a PARALLEL before the register assignments.
3640
3641 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3642
3643         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
3644         DWARF_FRAME_RETURN_COLUMN to be a general register.
3645         * dwarf2out.c (init_return_column_size): New function, split from...
3646         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
3647         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
3648         to be nongeneral registers.
3649         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
3650         integer registers.
3651         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
3652         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
3653
3654 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3655
3656         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
3657
3658 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3659
3660         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
3661         (remove_path): Use can_remove_branch_p and remove_branch instead
3662         of loop_delete_branch_edge.
3663         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
3664         (tree_transform_and_unroll_loop): Remove dead branches immediately.
3665         Update profile using scale_dominated_blocks_in_loop.
3666         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
3667         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
3668         (can_remove_branch_p, remove_branch): Declare.
3669         * tree-cfg.c (tree_can_remove_branch_p): New function.
3670         (tree_cfg_hooks): Add tree_can_remove_branch_p.
3671         * cfgrtl.c (rtl_can_remove_branch_p): New function.
3672         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
3673
3674 2007-02-05  Jan Hubicka  <jh@suse.cz>
3675
3676         PR middle-end/30696
3677         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
3678         nodes in cgraph, don't remove offline copy of the function.
3679
3680 2007-02-04  Jan Hubicka  <jh@suse.cz>
3681
3682         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
3683         vectors might cause maybe_lookup_element_for_expr to be called
3684         on non-sra-candidate.
3685
3686 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3687
3688         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
3689         config/bfin/bfin.md, config/bfin/predicates.md: Follow
3690         spelling conventions.
3691
3692 2007-02-04  Richard Guenther  <rguenther@suse.de>
3693
3694         PR middle-end/30636
3695         * fold-const.c (try_move_mult_to_index): Make sure to not
3696         overflow one dimension of a multi-dimensional array access.
3697
3698 2007-02-04  Jan Hubicka  <jh@suse.cz>
3699
3700         * passes.c (init_optimization_passes): Reindent.
3701
3702 2007-02-04  Jan Hubicka  <jh@suse.cz>
3703             Eric Botcazou  <ebotcazou@adacore.com>
3704
3705         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3706         (execute_fixup_cfg): Break out the abnormal goto code.
3707         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3708         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3709         (optimize_inline_calls): Call make_nonlocal_label_edges.
3710
3711 2007-02-04  Jan Hubicka  <jh@suse.cz>
3712
3713         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3714         true when something was changed.
3715         (rename_ssa_copies): When something was changed, do
3716         TODO_remove_unused_locals.
3717         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3718         add TODO_remove_unused_locals when instruction was removed.
3719
3720 2007-02-04  Jan Hubicka  <jh@suse.cz>
3721
3722         * ipa-inline.c (try_inline): Improve debug output; work on already
3723         inline edges too.
3724         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3725         call try_inline for already inlined edges too when flattening;
3726         inline also functions that make callee growth but overall unit size
3727         reduce.
3728
3729 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3730
3731         * config/m32c/bitops.md, config/m32c/jump.md,
3732         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3733         config/m32r/m32r.h, config/m32r/m32r.md,
3734         config/m32r/predicates.md, config/m68hc11/larith.asm,
3735         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3736         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3737         config/mips/mips-protos.h, config/mips/mips.c,
3738         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3739         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3740         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3741         spelling conventions.
3742
3743         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3744         Follow spelling conventions.
3745
3746 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3747
3748         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3749         warn about C++0x compatibility.
3750
3751 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3752
3753         * config/h8300/h8300.c, config/h8300/h8300.h,
3754         config/h8300/h8300.md: Follow spelling conventions.
3755
3756 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3757
3758         PR middle-end/30667
3759         * combine.c (try_combine): Do not substitute source operand
3760         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3761
3762 2007-02-03  Jan Hubicka  <jh@suse.cz>
3763
3764         PR gcov-profile/30650
3765         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3766         do not divide by zero for never executed counters.
3767         (tree_find_values_to_profile): Fix counters.
3768         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3769
3770 2007-02-03  Ian Lance Taylor  <iant@google.com>
3771
3772         * lower-subreg.c (simple_move_operand): New static function,
3773         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3774         operands.
3775         (simple_move): Call simple_move_operand.
3776         (find_decomposable_subregs): Add special handling of MEMs.
3777         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3778         meaning of return value.  If we see a hard register, test whether
3779         it can store a word_mode value.  Change all callers.
3780
3781 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3782
3783         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3784         ftrapv insns and expanders.
3785         (subdi3): Change define_expand operand 1 to arith11_operand, and
3786         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3787         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3788         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3789         respectively.
3790
3791         PR middle-end/30174
3792         * varasm.c (notice_global_symbol): Treat global objects as weak when
3793         flag_shlib is true.
3794
3795 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3796
3797         * emit-rtl.c (dconstpi): Delete.
3798         (dconstsqrt2): New.
3799         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3800         * real.h (dconstpi): Delete.
3801         (dconstsqrt2): New.
3802         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3803         (fold_builtin_hypot): Likewise.
3804
3805 2007-02-03  Tom Tromey  <tromey@redhat.com>
3806
3807         PR driver/30246
3808         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3809         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3810
3811 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3812
3813         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3814         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3815         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3816         config/rs6000/cell.md, config/rs6000/darwin.h,
3817         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3818         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3819         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3820         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3821         typos.  Follow spelling conventions.
3822         * doc/invoke.texi: Follow spelling conventions.
3823
3824 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3825
3826         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3827         canonicalization transformations that attempt to simplify integer
3828         constant comparisons to become comparisons against zero.
3829
3830 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3831
3832         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3833         fabs(x)*sqrt(2).
3834         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3835         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3836
3837 2007-02-02  Mike Stump  <mrs@apple.com>
3838
3839         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3840         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3841         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3842         generate a branch island.
3843
3844 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3845
3846         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3847         (xtensa_legitimate_address_p): New.
3848         (xtensa_legitimize_address): New.
3849         (xtensa_output_addr_const_extra): New.
3850         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3851         (BASE_REG_P): New.
3852         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3853         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3854         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3855         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3856         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3857         (xtensa_legitimize_address): New.
3858         (xtensa_output_addr_const_extra): New.
3859
3860 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3861
3862         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3863
3864 2007-02-02  Ian Lance Taylor  <iant@google.com>
3865
3866         * expmed.c (expand_divmod): Add comment.
3867
3868 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3869
3870         * emit-rtl.c (renumber_insns): Remove.
3871         * flags.h: Remove the extern for flag_renumber_insns.
3872         * rtl.h: Remove the prototype for renumber_insns.
3873         * toplev.c (flag_renumber_insns): Remove.
3874
3875 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3876
3877         Revert for x86 darwin:
3878         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3879
3880         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3881         code before the following patch under TARGET_MACHO.
3882         (ix86_function_value_regno_p): Likewise.
3883
3884 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3885
3886         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3887         COMPLEX_EXPR.
3888
3889 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3890
3891         PR target/29682
3892         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3893         general or fp registers.  Add comments.
3894         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3895
3896 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3897
3898         * pointer-set.c (insert_aux): Only return insertion slot.
3899         (pointer_set_insert): Adjust.
3900         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3901         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3902         pointer_map_traverse): New.
3903         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3904         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3905         pointer_map_contains, pointer_map_traverse): Declare.
3906
3907 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3908
3909         PR middle-end/30473
3910         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3911         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3912
3913 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3914
3915         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3916
3917         (struct _dep): New type.
3918         (dep_t): New typedef.
3919         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3920         (DEP_STATUS): New access macro.  The macro with the same name was
3921         renamed to DEP_LINK_STATUS.
3922         (dep_init): Declare function
3923
3924         (struct _dep_link): New type.
3925         (dep_link_t): New typedef.
3926         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3927         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3928         (DEP_LINK_STATUS): New macro.
3929         (debug_dep_links): New debug function.
3930
3931         (struct _deps_list): New type.
3932         (deps_list_t): New typedef.
3933         (DEPS_LIST_FIRST): New access macro.
3934         (FOR_EACH_DEP_LINK): New cycle macro.
3935         (create_deps_list, free_deps_list, delete_deps_list): Declare
3936         functions.
3937         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3938         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3939         (copy_deps_list_change_con): Ditto.
3940
3941         (move_dep_link): Declare function.
3942
3943         (struct _dep_node): New type.
3944         (dep_node_t): New typedef.
3945         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3946
3947         (struct haifa_insn_data.back_deps): New field to hold backward
3948         dependencies of the insn.
3949         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3950         to deps_list_t.
3951         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3952         Change its type to deps_list_t.
3953         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3954         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3955         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3956
3957         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3958
3959         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3960
3961         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3962         all callers.
3963         (dep_cost): Declare.
3964
3965         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3966         (ds_to_dk, dk_to_ds): New functions.
3967
3968         (init_dep_1): New static function.
3969         (init_dep): New function.
3970         (copy_dep): New static function.
3971
3972         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3973         functions.
3974         (detach_dep_link): New static function.
3975         (move_dep_link): New function.
3976
3977         (dep_links_consistent_p, dump_dep_links): New static functions.
3978         (debug_dep_links): New debugging function.
3979
3980         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3981
3982         (alloc_deps_list, init_deps_list): New static functions.
3983         (create_deps_list): New function.
3984         (clear_deps_list): New static function.
3985         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3986         (deps_list_consistent_p, dump_deps_list): New static functions.
3987         (debug_deps_list): New function.
3988         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3989         functions.
3990         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3991
3992         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3993         use new scheduler dependencies lists.
3994         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3995         (sched_analyze): Ditto.  Initialize dependencies lists.
3996         (add_forw_dep, compute_forward_dependences): Update to use new
3997         scheduler dependencies lists.
3998
3999         (init_dependency_caches): Init deps_obstack.
4000         (free_dependency_caches): Free deps_obstack.
4001
4002         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
4003         new scheduler dependencies lists.
4004         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
4005         (add_back_forw_dep, delete_back_forw_dep): Ditto.
4006
4007         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
4008         Update to use new scheduler dependencies lists.
4009         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
4010         (debug_dependencies): Ditto.
4011         (schedule_region): Update comments.
4012
4013         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
4014         scheduler dependencies lists.
4015         (schedule_ebb): Update comments.
4016
4017         * rtl.def (DEPS_LIST): Remove.
4018
4019         * lists.c (unused_deps_list): Remove.
4020         (free_list): Update assertions.
4021
4022         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
4023         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4024
4025         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
4026         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
4027
4028         * haifa-sched.c (comments): Update.
4029         (insn_cost1): Remove.  Inline the code into insn_cost ().
4030         (insn_cost): Update to use new scheduler dependencies lists.  Move
4031         processing of the dependency cost to dep_cost ().
4032         (dep_cost): New function.  Use it instead of insn_cost () when
4033         evaluating cost of the dependency.  Use compatible interface to
4034         interact with the target.
4035         (priority): Update to use new scheduler dependencies lists.
4036         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
4037         with greater number of insns that depend on the insn.
4038         (schedule_insn): Update to use new scheduler dependencies lists.  Add
4039         code to free backward dependencies lists.  Inline and optimize code
4040         from resolve_dep () - see PR28071.
4041         (ok_for_early_queue_removal): Update to use new scheduler dependencies
4042         lists.  Update call to targetm.sched.is_costly_dependence hook.
4043
4044         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
4045         scheduler dependencies lists.
4046
4047         (resolve_dep): Remove.  Move the logic to schedule_insn ().
4048         (init_h_i_d): Initialize dependencies lists.
4049
4050         (process_insn_depend_be_in_spec): Rename to
4051         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
4052         dependencies lists.
4053         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
4054         Update to use new scheduler dependencies lists.
4055         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
4056
4057         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
4058         new scheduler dependencies lists.
4059         (build_intra_loop_deps): Ditto.
4060
4061         * target.h (struct _dep): Declare to use in
4062         gcc_target.sched.is_costly_dependence.
4063         (struct gcc_target.sched.adjust_cost): Fix typo.
4064         (struct gcc_target.sched.is_costly_dependence): Change signature to use
4065         single dep_t parameter instead of an equivalent triad.
4066         (struct gcc_target.sched.adjust_cost_2): Remove.
4067
4068         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
4069
4070         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
4071
4072         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
4073         documentation.
4074         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
4075
4076         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
4077         (REG_DEP_TRUE): Document.
4078
4079         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
4080         Change signature to correspond to the targetm.sched.adjust_cost hook.
4081         Update use in TARGET_SCHED_ADJUST_COST_2.
4082         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
4083         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
4084         new scheduler dependencies lists.
4085         (ia64_gen_check): Ditto.
4086
4087         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
4088         dependencies lists.
4089
4090         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
4091         signature to correspond to the targetm.sched.is_costly_dependence hook.
4092         (is_costly_group): Update to use new scheduler dependencies lists.
4093
4094         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
4095         instead of INSN_COST () macro.
4096
4097 2007-02-01  Ian Lance Taylor  <iant@google.com>
4098
4099         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
4100
4101 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
4102
4103         * pa.md (tp_load): Correct mfctl instruction syntax.
4104
4105 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
4106
4107         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
4108         altivec_padding_size calculation on AIX.  Improve comment, add
4109         assert to verify that it's right.
4110
4111         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
4112         64-bit.
4113
4114 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
4115
4116         PR inline-asm/28686
4117         * global.c (global_alloc): Add mising initialization of
4118         ELIMINABLE_REGSET.
4119
4120 2007-02-01  Roger Sayle  <roger@eyesopen.com>
4121
4122         * alias.c (init_alias_analysis): Correct whitespace.
4123         * bb-reorder.c (fix_edges_for_rarely_executed_code,
4124         partition_hot_cold_basic_blocks): Likewise.
4125         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
4126         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
4127         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
4128         fold_builtin_snprintf_chk, fold_builtin_printf,
4129         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
4130         do_mpfr_arg3, do_mpfr_sincos): Likewise.
4131         * cfgcleanup.c (cleanup_cfg): Likewise.
4132         * cfgexpand.c (tree_expand_cfg): Likewise.
4133         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
4134         * function.c (get_next_funcdef_no): Likewise.
4135         * gengtype.c (main): Likewise.
4136         * genmodes.c (main): Likewise.
4137         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
4138         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
4139         * ifcvt.c (noce_emit_move_insn): Likewise.
4140         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
4141         Likewise.
4142         * stor-layout.c (get_best_mode): Likewise.
4143         * tree-ssa-loop-niter.c (get_val_for): Likewise.
4144         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
4145         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
4146         perform_var_substitution, solve_graph): Likewise.
4147         * tree-vrp.c (vrp_finalize): Likewise.
4148
4149 2007-02-01  Ian Lance Taylor  <iant@google.com>
4150
4151         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
4152         high part of a paradoxical subreg, return a constant zero.
4153
4154 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
4155
4156         * toplev.c (lang_dependent_init): Call init_set_costs.
4157         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
4158
4159 2007-02-01  Richard Guenther  <rguenther@suse.de>
4160
4161         PR middle-end/30656
4162         * fold-const.c (fold_negate_expr): Allow negating a
4163         constant if overflow does not change.
4164
4165 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4166
4167         * doc/c-tree.texi (Expression trees): Improve markup.
4168         * doc/tm.texi (Register Classes, Addressing Modes)
4169         (Floating Point): Fix spacing after abbreviations.  Fix some
4170         typos.
4171
4172 2007-02-01  Ben Elliston  <bje@au.ibm.com>
4173
4174         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4175         * doc/contrib.texi: Likewise.
4176         * doc/install.texi: Likewise.
4177
4178 2007-01-31  Richard Henderson  <rth@redhat.com>
4179             Ian Lance Taylor  <iant@google.com>
4180
4181         * lower-subreg.c: New file.
4182         * rtl.def (CONCATN): Define.
4183         * passes.c (init_optimization_passes): Add pass_lower_subreg and
4184         pass_lower_subreg2.
4185         * emit-rtl.c (update_reg_offset): New static function, broken out
4186         of gen_rtx_REG_offset.
4187         (gen_rtx_REG_offset): Call update_reg_offset.
4188         (gen_reg_rtx_offset): New function.
4189         * regclass.c: Revert patch of 2006-03-05, restoring
4190         reg_scan_update.
4191         (clear_reg_info_regno): New function.
4192         * dwarf2out.c (concatn_loc_descriptor): New static function.
4193         (loc_descriptor): Handle CONCATN.
4194         * common.opt (fsplit_wide_types): New option.
4195         * opts.c (decode_options): Set flag_split_wide_types when
4196         optimizing.
4197         * timevar.def (TV_LOWER_SUBREG): Define.
4198         * rtl.h (gen_reg_rtx_offset): Declare.
4199         (reg_scan_update): Declare.
4200         * regs.h (clear_reg_info_regno): Declare.
4201         * tree-pass.h (pass_lower_subreg): Declare.
4202         (pass_lower_subreg2): Declare.
4203         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
4204         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
4205         -fsplit-wide-types.
4206         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
4207         * Makefile.in (OBJS-common): Add lower-subreg.o.
4208         (lower-subreg.o): New target.
4209
4210 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4211
4212         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
4213
4214 2007-01-31  Anatoly Sokolov <aesok@post.ru>
4215
4216         PR target/19087
4217         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
4218
4219 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4220
4221         PR middle-end/29335
4222         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
4223
4224 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
4225
4226         * cfgloop.h: Include vec-prim.h.
4227         (enum li_flags): Remove LI_ONLY_OLD.
4228         (loop_iterator): Changed.
4229         (fel_next, fel_init): Iterate over loop tree.
4230         (FOR_EACH_LOOP_BREAK): New macro.
4231         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
4232         FOR_EACH_LOOP.
4233         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
4234         * modulo-sched.c (sms_schedule): Ditto.
4235         * tree-vectorizer.c (vectorize_loops): Ditto.
4236         * doc/loop.texi: Update information on loop numbering and behavior of
4237         FOR_EACH_LOOP wrto new loops.
4238         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4239         add_to_evolution_1): Test nestedness of loops instead of comparing
4240         their numbers.
4241         * tree-chrec.c (chrec_fold_plus_poly_poly,
4242         chrec_fold_multiply_poly_poly, chrec_evaluate,
4243         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
4244         reset_evolution_in_loop): Ditto.
4245         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
4246
4247 2007-01-31  Dirk Mueller  <dmueller@suse.de>
4248
4249         * c-common.c (warn_about_parentheses): Separate warning about
4250         un-parenthized sequence of comparison operators from the one
4251         which is supposed to warn about x <= y <= z.
4252
4253 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
4254
4255         * optabs.h (enum optab_index): Add new OTI_isinf.
4256         (isinf_optab): Define corresponding macro.
4257         * optabs.c (init_optabs): Initialize isinf_optab.
4258         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
4259         patterns.
4260         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
4261         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
4262         using isinf_optab.
4263         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
4264         expand_builtin_interclass_mathfn.
4265         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
4266         * config/i386/i386.md (UNSPEC_FXAM): New constant.
4267         (fxam<mode>2_i387): New insn pattern.
4268         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
4269         built-in functions as x87 inline asm.
4270
4271 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4272
4273         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
4274
4275 2007-01-30  Eric Christopher  <echristo@apple.com>
4276
4277         * config.gcc: Add geode.
4278
4279 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4280
4281         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
4282         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
4283         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
4284         value-prof.c: Fix comment typos.
4285
4286 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4287
4288         PR c++/24745
4289         * doc/invoke.texi (Wpointer-arith): Document warning.
4290
4291 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
4292
4293         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
4294         the list of discrepancies from the draft TR.
4295
4296 2007-01-30  Dirk Mueller  <dmueller@suse.de>
4297
4298         PR c++/30601
4299         * doc/invoke.texi (-Wreturn-type): Update description to
4300         match new behavior.
4301
4302 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
4303
4304         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
4305
4306 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
4307
4308         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
4309         to handle optabs that operate on floating point input argument and
4310         output to integer output.
4311         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
4312         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
4313         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
4314         expand_builtin_interclass_mathfn ().
4315         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
4316         (ilogbsi2): Remove.
4317         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
4318         ilogbl built-in functions as x87 intrinsics.
4319
4320 2007-01-30  Richard Guenther  <rguenther@suse.de>
4321
4322         PR middle-end/27657
4323         * dwarf2out.c (reference_to_unused): Query varpool if the
4324         variable was output.
4325
4326 2007-01-30  Richard Guenther  <rguenther@suse.de>
4327
4328         PR middle-end/30313
4329         * passes.c (execute_one_pass): Reset in_gimple_form to not
4330         confuse non-unit-at-a-time mode.
4331
4332 2007-01-29  Roger Sayle  <roger@eyesopen.com>
4333             Richard Guenther  <rguenther@suse.de>
4334
4335         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
4336         avoid undefined behaviour on overflow.  Use force_fit_type_double
4337         to construct the constant with the specified TREE_OVERFLOW.
4338
4339 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4340
4341         * config/dfp-bit.c: Add parameterized support for fp exceptions.
4342         * config/dfp-bit.h: Ditto.
4343
4344 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4345
4346         * c-decl.c (pop_scope): Replace warnings with call to
4347         warn_for_unused_label.
4348         * c-common.h (warn_for_unused_label): Declare.
4349         * c-common.c (warn_for_unused_label): Define.
4350
4351 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4352
4353         * tree-optimize.c (update_inlined_to_pointers): Delete unused
4354         function.
4355
4356 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4357
4358         * Makefile.in (USER_H): Remove decfloat.h.
4359         * ginclude/decfloat.h: Delete, moving contents to ...
4360         * ginclude/float.h: Add support for decimal floating point,
4361         guarded by __STDC_WANT_DEC_FP__.
4362
4363 2007-01-29  Mike Stump  <mrs@apple.com>
4364
4365         * doc/gccint.texi (Top): Rename Loop Representation to Loop
4366         Analysis and Representation to resolve case insensitive conflict.
4367         * doc/loop.texi (Loop Analysis and Representation): Likewise.
4368
4369 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
4370
4371         * tree.h (struct tree_memory_tag): Add aliases member.
4372         (MTAG_ALIASES): New macro.
4373         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
4374         (add_may_alias): Remove pointer-set. Update for may_aliases being
4375         a bitmap.
4376         (mark_aliases_call_clobbered): Update for may_aliases being a
4377         bitmap.
4378         (compute_tag_properties): Ditto.
4379         (create_partition_for): Ditto.
4380         (compute_memory_partitions): Ditto.
4381         (dump_may_aliases_for): Ditto.
4382         (is_aliased_with): Ditto.
4383         (add_may_alias_for_new_tag): Ditto.
4384         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
4385         (compute_is_aliased): New function.
4386         (compute_may_aliases): Call compute_is_aliased).
4387         (init_alias_info): Initialize alias_bitmap_obstack.
4388         (union_alias_set_into): New function.
4389         (compute_flow_sensitive_aliasing): Use union_aliases_into.
4390         (have_common_aliases_p): Rewrite to take two bitmaps and use
4391         intersection.
4392         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
4393         Update for bitmaps.
4394         (finalize_ref_all_pointers): Update for add_may_alias changes.
4395         (new_type_alias): Ditto.
4396         * tree-flow-inline.h (may_aliases): Return a bitmap.
4397         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
4398         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
4399         may_aliases being a bitmap.
4400         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
4401         may_aliases now returns a bitmap.
4402         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
4403         being a bitmap.
4404         * tree-ssa-operands.c (add_virtual_operand): Update for
4405         may_aliases being a bitmap.
4406
4407 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
4408
4409         PR tree-optimization/30630
4410         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
4411         variable as changed.
4412
4413 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
4414
4415         PR c++/28266
4416         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
4417         expanded only once even if an error occurs.
4418
4419 2007-01-29  Ben Elliston  <bje@au.ibm.com>
4420
4421         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
4422         (__gcov_average_profiler): Likewise.
4423         (__gcov_ior_profiler): Likewise.
4424         (__gcov_merge_ior): Likewise.
4425
4426 2007-01-28  Jan Hubicka  <jh@suse.cz>
4427
4428         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
4429         * value-prof.c (stringop_block_profile): Likewise.
4430
4431 2007-01-28  Jan Hubicka  <jh@suse.cz>
4432
4433         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
4434         variant handling histograms; add wrapper.
4435         (clear_storage_via_libcall): Export.
4436         (emit_block_move_hints): Break out from ...; add histograms.
4437         (emit_block_move): ... this one.
4438         (clear_storage_hints): Break out from ...; add histograms.
4439         (clear_storage): ... this one.
4440         (set_storage_via_memset): Handle histogram.
4441         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
4442         (clear_storage_hints, clear_storage_via_libcall): Declare.
4443         (set_storage_via_setmem): Update prototype.
4444         * doc/md.texi (movmem, setmem): Document new arguments.
4445
4446         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
4447         new histograms.
4448         (stringop_block_profile): New global function.
4449         (tree_stringops_values_to_profile): Profile block size and alignment.
4450         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
4451         HIST_TYPE_IOR.
4452         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
4453         (stringop_block_profile): Declare.
4454         * builtins.c: Include value-prof.h.
4455         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
4456         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
4457         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
4458         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
4459         * profile.c (instrument_values): Add new counters.
4460         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
4461         calls.
4462         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
4463         (tree_init_edge_profiler): Build new profilers.
4464         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
4465         (pass_tree_profile): Add dump.
4466         (tree_profile_hooks): Update.
4467         * Makefile.in (LIBGCOV): Add new constants.
4468         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
4469         __gcov_ior_profiler): New.
4470         * i386.md (movmem/setmem expanders): Add new optional arguments.
4471
4472 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
4473
4474         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
4475
4476 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
4477
4478         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
4479         (tree_unswitch_single_loop): Pass eni_size_weights to
4480         tree_num_loop_insns.
4481         * tree-ssa-loop-manip.c: Include tree-inline.h.
4482         (can_unroll_loop_p): Pass eni_size_weights to
4483         tree_num_loop_insns.
4484         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
4485         Pass eni_size_weights to estimate_num_insns.
4486         * tree.h (init_inline_once): Export.
4487         * toplev.c (backend_init): Call init_inline_once.
4488         * cgraphunit.c (cgraph_process_new_functions,
4489         cgraph_analyze_function): Pass eni_inlining_weights to
4490         estimate_num_insns.
4491         * ipa-inline.c (compute_inline_parameters): Ditto.
4492         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
4493         to estimate_num_insns.
4494         (try_unroll_loop_completely): Pass eni_size_weights to
4495         tree_num_loop_insns.
4496         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
4497         ot estimate_num_insns.
4498         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
4499         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
4500         * tree-inline.c (eni_inlining_weights, eni_size_weights,
4501         eni_time_weights): New variables.
4502         (init_inline_once): Initialize them.
4503         (struct eni_data): Mew.
4504         (estimate_num_insns_1, estimate_num_insns): Use weights.
4505         * tree-inline.h (struct eni_weights_d): New.
4506         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
4507         (estimate_num_insns): Declaration changed.
4508         * cfgloop.h (tree_num_loop_insns): Declaration changed.
4509         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
4510         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
4511
4512 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
4513
4514         * tree-data-ref.c (conflict_fn): Assert that the number of affine
4515         relations in the conflict function is valid.
4516
4517 2007-01-27  Ian Lance Taylor  <iant@google.com>
4518
4519         * common.opt: Add fstrict-overflow.
4520         * opts.c (decode_options): Set flag_strict_overflow if -O2.
4521         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
4522         (TYPE_OVERFLOW_UNDEFINED): Define.
4523         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
4524         Replace all uses.
4525         * tree.h (TYPE_TRAP_SIGNED): Don't define.
4526         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
4527         (fold_negate_expr): Likewise.
4528         (make_range): Likewise.
4529         (extract_muldiv_1): Likewise.
4530         (maybe_canonicalize_comparison): Likewise.
4531         (fold_comparison): Likewise.
4532         (fold_binary): Likewise.
4533         (tree_expr_nonnegative_p): Likewise.
4534         (tree_expr_nonzero_p): Likewise.
4535         * tree-vrp.c (compare_values): Likewise.
4536         (extract_range_from_binary_expr): Likewise.
4537         (extract_range_from_unary_expr): Likewise.
4538         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
4539         Likewise.
4540         (nowrap_type_p): Likewise.
4541         * tree-scalar-evolution.c (simple_iv): Likewise.
4542         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
4543         (build_range_check): Likewise.
4544         (extract_muldiv_1): Likewise.
4545         (fold_comparison): Likewise.
4546         * tree-vrp.c (vrp_int_const_binop): Likewise.
4547         (extract_range_from_unary_expr): Likewise.
4548         * convert.c (convert_to_integer): Likewise.
4549         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
4550         (fold_comparison): Likewise.
4551         (fold_binary): Likewise.
4552         * optabs.c (optab_for_tree_code): Likewise.
4553         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
4554         * simplify-rtx.c (simplify_const_relational_operation): Check
4555         flag_strict_overflow and flag_trapv.
4556         (simplify_const_relational_operation): Likewise.
4557         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
4558         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
4559         -fstrict-overflow.
4560
4561 2007-01-27  Roger Sayle  <roger@eyesopen.com>
4562
4563         * tree.c (tree_fold_gcd): Delete.
4564         * tree.h (tree_fold_gcd): Remove prototype.
4565         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
4566         test whether one constant integer is a multiple of another.  Instead
4567         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
4568         * fold-const.c (multiple_of_p):  We've determined both TOP and
4569         BOTTOM are integer constants so we can call int_const_binop directly
4570         instead of the more generic const_binop.
4571
4572 2007-01-27  Roger Sayle  <roger@eyesopen.com>
4573
4574         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
4575         1*X check that the constant hasn't overflowed, to preserve the
4576         TREE_OVERFLOW bit.
4577         (round_up): Provide an efficient implementation when rouding-up an
4578         INTEGER_CST to a power-of-two.
4579
4580 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4581
4582         * doc/sourcebuild.texi: Add comma for clarity.
4583         * doc/extend.texi: Fix some typos.
4584         * doc/passes.texi: Likewise.
4585         * doc/cppinternals.texi: Likewise.
4586         * doc/c-tree.texi: Likewise.
4587         * doc/tree-ssa.texi: Likewise.
4588         * doc/install.texi: Likewise.
4589
4590 2007-01-27  Jan Hubicka  <jh@suse.cz>
4591
4592         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
4593         (pass_sra): Do not require alias information.
4594         * passes.c (init_optimization_passes): Add SRA
4595
4596 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
4597
4598         * tracer.c (rest_of_handle_tracer): We already cleaned
4599         up the CFG in tracer() so don't do it here again.
4600         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
4601         cleanup_cfg here, either.  And don't call renumber_insns.
4602
4603         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
4604         and BB_HEAD are in the insn stream here.  Instead make sure
4605         that BB_INSN is valid on all insns.  Also, do check here that
4606         there are no pending branch predictions...
4607         (rtl_verify_flow_info): ...instead of doing it here.  Checks
4608         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
4609         here.
4610
4611 2007-01-26  Roger Sayle  <roger@eyesopen.com>
4612
4613         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
4614         function to simplify/factorize operand order canonicalization.
4615         (ix86_fixup_binary_operands): Reorganize using the above function.
4616         (ix86_binary_operator_ok): Likewise.
4617
4618 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
4619
4620         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
4621         file scope from optimize_attrs.
4622         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
4623         up search.
4624         (optimize_attrs): Clear insn_code_values after freeing it.
4625
4626 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
4627
4628         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
4629         a parts.base assignment.
4630
4631 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
4632
4633         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
4634         (compute_subscript_distance, initialize_data_dependence_relation,
4635         finalize_ddr_dependent, analyze_ziv_subscript,
4636         analyze_siv_subscript_cst_affine,
4637         compute_overlap_steps_for_affine_univar,
4638         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
4639         analyze_siv_subscript, analyze_miv_subscript,
4640         analyze_overlapping_iterations, subscript_dependence_tester_1,
4641         compute_self_dependence, free_dependence_relation): Work
4642         with affine_fn instead of chrecs.
4643         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
4644         common_affine_function, affine_function_base,
4645         affine_function_constant_p, affine_fn_op, affine_fn_plus,
4646         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
4647         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
4648         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
4649         (all_chrecs_equal_p): Removed.
4650         * tree-data-ref.h (affine_fn, conflict_function): New types.
4651         (struct subscript): Change type of conflicting_iterations_in_a
4652         and conflicting_iterations_in_b.
4653
4654 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
4655
4656         PR other/30182
4657         * config/pa/pa.h (TARGET_HPUX_11): New.
4658         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
4659         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
4660
4661 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
4662         Richard Guenther  <rguenther@suse.de>
4663
4664         * tree-ssa-structalias.c (solve_graph): Handle case
4665         we merged the variable to another.
4666
4667 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4668
4669         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
4670         functions.
4671
4672         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
4673         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
4674
4675 2007-01-25  DJ Delorie  <dj@redhat.com>
4676
4677         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
4678         allow changes to modes which don't fit in those registers.
4679
4680         * reload1.c (choose_reload_regs): Check for invalid subregs before
4681         computing their locations, not after.
4682
4683 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
4684
4685         PR 25127
4686         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
4687         save Altivec registers in an eh_return function.
4688         (compute_vrsave_mask): Likewise.
4689         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
4690         for saving Altivec registers.
4691         (rs6000_emit_prologue): Don't allocate stack twice in
4692         eh_return function.  Correct expected value of altivec_save_offset
4693         when using save_world.  Describe save of R0 to stack when using
4694         save_world.  Describe stack pointer adjustment when using
4695         save_world.  Remove duplicated eh_return parameter register saving.
4696         Update sp_offset variable after save_world.
4697         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
4698         darwin-world.asm.
4699         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4700         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4701         implies Altivec.
4702
4703 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4704
4705         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4706
4707 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4708
4709         PR other/30182
4710         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4711         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4712
4713 2007-01-25  Richard Guenther  <rguenther@suse.de>
4714
4715         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4716         * common.opt (-Wcoverage-mismatch): New warning option.
4717         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4718         if -Wcoverage-mismatch is given.
4719
4720 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4721
4722         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4723         (ipcp_driver): Change to static definition.
4724         Add dumping of the ifunctions.
4725         (constant_val_insert): Remove unused parameter. Support for SSA.
4726         (ipcp_propagate_const): Support for SSA.
4727         (ipcp_profile_bb_print): Print only analyzed nodes.
4728         (ipcp_replace_map_create): Remove support for Fortran constant
4729         for now.
4730         * ipa-prop.c (ipa_method_modify_stmt,
4731         ipa_callsite_compute_param): Support for SSA.
4732         * ipa-prop.h (ipcp_driver): Remove declaration.
4733         (IS_VALID_TREE_MAP_INDEX): Add define.
4734
4735 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4736
4737         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4738
4739 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4740
4741         PR middle-end/30447
4742         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4743         constant argument to cabs and do it without checking for
4744         -funsafe-math-optimizations.
4745
4746 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4747
4748         * c-common.h (RID_FIRST_CXX0X): New.
4749         (RID_LAST_CXX0X): New.
4750         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4751         by -Wall.
4752         * c.opt (Wc++0x-compat): New.
4753         * doc/invoke.texi (-Wc++0x-compat): Document.
4754
4755 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4756
4757         * builtins.c (fold_builtin_carg): New.
4758         (fold_builtin_1): Use it.
4759
4760 2007-01-24  Jan Hubicka  <jh@suse.cz>
4761
4762         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4763
4764         * ipa-inline.c (initial_insns, max_insns): Delete.
4765         (compute_max_insns): New function.
4766         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4767         of insns as base for code growth.
4768         (cgraph_decide_inlining): Make initial_insns local; do not compute
4769         max_insns.
4770         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4771         * doc/invoke.texi (inline-unit-growth): Update docs.
4772
4773 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4774
4775         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4776         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4777         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4778         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4779         for CPUs that have PTA_CX16 set.
4780
4781         PR middle-end/27416
4782         * gimplify.c (omp_check_private): New function.
4783         (gimplify_scan_omp_clauses): Use it for
4784         firstprivate/lastprivate/reduction.
4785
4786         PR middle-end/30494
4787         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4788         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4789
4790         PR middle-end/30421
4791         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4792         If lower_lastprivate_clauses emits some statements, append them
4793         to dlist rather than body_p and to body_p append an initializer.
4794         (lower_omp_for): Adjust caller.
4795
4796 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4797
4798         * target.h (globalize_decl_name): New.
4799         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4800         * output.h (default_globalize_decl_name): New.
4801         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4802         globalize_label.
4803         (globalize_decl): Ditto.
4804         (default_globalize_decl_name): New.
4805         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4806         (ia64_handle_version_id_attribute): New.
4807         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4808         (ia64_asm_output_external): Use globalize_decl_name instead
4809         of globalize_label.
4810         * doc/extend.texi (version_id): New pragma.
4811         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4812
4813 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4814
4815         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4816         _uleb128_t and _Unwind_SWord with _sleb128_t.
4817         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4818         uw_frame_state_for, uw_update_context_1): Likewise.
4819         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4820         * unwind-pe.h (read_uleb128, read_sleb128,
4821         read_encoded_value_with_base): Likewise.
4822         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4823
4824 2007-01-24  Richard Guenther  <rguenther@suse.de>
4825
4826         * builtins.c (expand_builtin_cexpi): Get the fndecl
4827         for cexp in the correct way.
4828
4829 2007-01-24  Jan Hubicka  <jh@suse.cz>
4830
4831         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4832
4833 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4834
4835         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4836         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4837         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4838         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4839         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4840         __SIZEOF_PTRDIFF_T__.
4841         * doc/cpp.texi: Documentation for the new builtin macros added.
4842
4843 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4844
4845         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4846         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4847         instead of operands[2] to avoid access past the end of array.
4848
4849 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4850
4851         * reload1.c (emit_reload_insns): Pass the reload register
4852         for a non-spill output reload through forget_old_reloads_1.
4853
4854 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4855
4856         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4857         _SOFT_DOUBLE if doubles use software floating-point.
4858         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4859         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4860         * config/rs6000/darwin-ldouble.c: Also compile functions for
4861         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4862         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4863         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4864         commented-out long double override.
4865         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4866         * config/rs6000/eabispe.h: Likewise.
4867         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4868         long double for non-SPE.
4869         (rs6000_handle_option): Likewise.
4870         (invalid_e500_subreg): Disallow more subregs involding DImode,
4871         DFmode, TImode or TFmode.
4872         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4873         E500 double.
4874         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4875         double.
4876         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4877         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4878         double.
4879         (rs6000_legitimate_address): Also check for TFmode for E500
4880         double.
4881         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4882         (spe_build_register_parallel): Handle TFmode and TCmode.
4883         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4884         double.
4885         (function_arg): Handle TFmode and TCmode for E500 double.
4886         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4887         in general.
4888         (print_operand): Handle TFmode and TImode for %y.
4889         (rs6000_generate_compare): Handle TFmode comparisons for E500
4890         double.
4891         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4892         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4893         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4894         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4895         TFmode for E500 double.
4896         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4897         (floatsidf2): Enable for E500 double.
4898         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4899         (extenddftf2): Change to extenddftf2_fprs.
4900         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4901         depending on TARGET_E500_DOUBLE.
4902         (extendsftf2): Enable for E500 double.
4903         (trunctfdf2): Enable for E500 double.
4904         (trunctfsf2): Change to trunctfsf2_fprs.
4905         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4906         depending on TARGET_E500_DOUBLE.
4907         (floatsitf2): Enable for E500 double.
4908         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4909         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4910         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4911         (negtf2): Change to negtf2_internal.
4912         (negtf2): New expander.
4913         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4914         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4915         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4916         (movdi_internal32): Use rs6000_nonimmediate_operand.
4917         (unnamed splitter): Likewise.
4918         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4919         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4920         (SPE64TF, DITI): New mode macros.
4921         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4922         modes.
4923         (frob_tf_ti): New.
4924         (frob_<mode>_di_2): New.
4925         (frob_tf_di_8_2): New.
4926         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4927         (frob_ti_tf): New.
4928         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4929         more modes.
4930         (frob_ti_<mode>_8_2): New.
4931         (frob_ti_tf_2): New.
4932         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4933         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4934         TFmode.
4935         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4936         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4937         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4938         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4939         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4940         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4941         tsttflt_gp): New.
4942
4943 2007-01-23  Ian Lance Taylor  <iant@google.com>
4944
4945         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4946         insn-*.o first.
4947         (OBJS-archive): Reformat, alphabetize.
4948         (OBJS): Change out_object_file to OBJS-md.
4949
4950 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4951
4952         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4953         JUMP_P and CALL_P predicates where applicable.
4954         * config/i386/i386.c: Ditto.
4955         * config/i386/i386.md: Ditto.
4956         * config/i386/mmx.md: Ditto.
4957         * config/i386/predicates.md: Ditto.
4958
4959 2007-01-22  Andreas Schwab  <schwab@suse.de>
4960
4961         * config/m68k/m68k.h: Fix comment.
4962
4963 2007-01-22  Jan Hubicka  <jh@suse.cz>
4964
4965         * passes.c (init_optimization_passes): Do not rerun
4966         pass_early_warn_uninitialized.
4967
4968 2007-01-22  Richard Guenther  <rguenther@suse.de>
4969
4970         PR tree-optimization/30038
4971         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4972         function.
4973         (execute_cse_sincos_1): Likewise.
4974         (execute_cse_sincos): Likewise.
4975         (gate_cse_sincos): Likewise.
4976         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4977         the cexpi() canonicalization of sincos().
4978         * tree-pass.h (pass_cse_sincos): Declare.
4979         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4980
4981 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4982
4983         PR rtl-optimization/29329
4984         * combine.c (replaced_rhs_insn): Rename to i2mod.
4985         (replaced_rhs_value): Rename to i2mod_new_rhs.
4986         (i2mod_old_rhs): New global variable.
4987         (combine_instructions): Adjust for above change.  Save a copy of
4988         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4989         note are substituted in the second instruction.
4990         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4991         ditch the note if it pertains to the second eliminated register
4992         and this register is mentioned in i2mod_old_rhs.
4993
4994         Revert:
4995         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4996
4997         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4998         the insn to which the note was originally attached.
4999
5000 2007-01-21  Jan Hubicka  <jh@suse.cz>
5001
5002         * ipa-inline.c (inlining_mode): Comment, move up.
5003         (cgraph_decide_inlining_incrementally): Do not perform inlining
5004         itself; fix handling of flattening of self recursive functions.
5005         (cgraph_find_cycles): Remove.
5006         (cgraph_flatten_node): Remove.
5007         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
5008         (try_inline): New function.
5009         (cgraph_early_inlining): Update call of
5010         cgraph_decide_inlining_incrementally.  Apply inlining here.
5011         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
5012
5013 2007-01-21  Dirk Mueller  <dmueller@suse.de>
5014
5015         PR bootstrap/30511
5016         * tree-vrp.c (check_array_bounds): do not warn
5017         about ADDR_EXPR's of ARRAY_REF's which are immediately
5018         used in binary expressions.
5019
5020 2007-01-21  Ira Rosen  <irar@il.ibm.com>
5021
5022         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
5023         read_write_dep and macros for its access.
5024         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
5025         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
5026         argument, call vect_check_interleaving for every independent pair of
5027         data-refs. Mark loads that access the same memory location as a store
5028         in the loop.
5029         (vect_check_dependences): Remove.
5030         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
5031         call, fix the call to vect_analyze_data_ref_dependence.
5032         (vect_analyze_data_ref_access): For statements that access the same
5033         data-ref, check that they are not stores; for loads, check that there
5034         is no store that access the same location.
5035
5036 2007-01-20  Roger Sayle  <roger@eyesopen.com>
5037             Joseph Myers  <joseph@codesourcery.com>
5038
5039         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
5040         (-fdump-rtl-stack): Likewise.
5041         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
5042         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
5043         (-mpt-fixed): Use @minus{} for minus sign.
5044         (Using Precompiled Headers): Fix under/overfull hbox.
5045
5046 2007-01-20  Jan Hubicka  <jh@suse.cz>
5047
5048         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
5049         place within annotation.
5050
5051 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5052
5053         * pa.c (output_move_double): Change array size of xoperands to 4.
5054
5055 2007-01-20  Jan Hubicka  <jh@suse.cz>
5056
5057         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
5058         as temporary.
5059
5060 2007-01-19  Ian Lance Taylor  <iant@google.com>
5061
5062         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
5063         constant to unsigned HOST_WIDE_INT before negating.
5064
5065 2007-01-19  Ian Lance Taylor  <iant@google.com>
5066
5067         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
5068         to unsigned.
5069         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
5070         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5071         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
5072         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
5073         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
5074         (realloc_vdef, realloc_vuse): Change second parameter to
5075         unsigned.
5076         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
5077         fields to unsigned.
5078         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
5079         unsigned. Change x and lim locals to unsigned.
5080         (realloc_vdef, realloc_vuse): Change num_elem parameter to
5081         unsigned.
5082         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
5083         (copy_virtual_operands): Change i and n locals to unsigned.
5084
5085 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5086
5087         PR middle-end/29335
5088         * builtins.c (fold_builtin_1): Handle builtin fdim.
5089
5090 2007-01-20  Jan Hubicka  <jh@suse.cz>
5091
5092         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
5093         * tree-ssa-structalias.c (compute_points_to_sets): Do call
5094         init_alias_heapvars.
5095         (init_alias_heapvars): Initialize only when not already initialized.
5096         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
5097
5098 2007-01-19  Roger Sayle  <roger@eyesopen.com>
5099
5100         * common.opt (fsigned-zeros): New command line option.
5101         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
5102         of flag_unsafe_math_optimizations.
5103         * opts.c (set_fast_math_flags): The -ffast-math command line option
5104         implies -fno-signed-zeros.
5105         (fast_math_flags_set_p): Likewise.
5106
5107         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
5108         the documentation of -ffast-math appropriately.  Wrap long lines.
5109
5110 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
5111
5112         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
5113         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
5114
5115 2007-01-19  Tomas Bily  <tbily@suse.cz>
5116
5117         * cgraphunit.c (cgraph_finalize_function): Updating of pid
5118         * tree-profile.c:
5119         (tree_init_ic_make_global_vars): New function
5120         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
5121         (tree_gen_ic_profiler): New function
5122         (tree_gen_ic_func_profiler): New function
5123         (tree_profiling): Added calling of tree_gen_ic_func_profiler
5124         (tree_profile_hooks): Added hook for indirec/virtual calls
5125         * value-prof.c (tree_find_values_to_profile): New case for
5126         indirect calls
5127         (tree_values_to_profile): Call for determining indirect/virtual
5128         counters
5129         (tree_indirect_call_to_profile): New function
5130         (tree_ic_transform): New function
5131         (tree_ic): New function
5132         (find_func_by_pid): New function
5133         (init_pid_map): New function
5134         (tree_value_profile_transformations): Added check for
5135         indirect/virtual call transformation
5136         * value-prof.h (enum hist_type): New counter type for
5137         indirect/virtual calls
5138         (profile_hooks): Added new hook for profiling indirect/virtual
5139         calls
5140         * profile.c (instrument_values): New case for indirect/virtual
5141         call added
5142         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
5143         (GCOV_COUNTER_V_INDIR): New counter type
5144         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
5145         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
5146         call added
5147         * cgraph.c: Definition of cgraph_max_pid
5148         (cgraph_create_node): Default init of pid attribute
5149         * cgraph.h: Declaration of cgraph_max_pid
5150         (struct cgraph_node): Added pid attribute
5151         * libgcov.c (__gcov_indirect_call_profiler): New function
5152         (__gcov_one_value_profiler_body): New function
5153         (__gcov_one_value_profiler): Body was moved to
5154         __gcov_one_value_profiler_body and calls it
5155
5156 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
5157
5158         * doc/gty.texi (Options): Document the mark_hook option to GTY.
5159         * gengtype.c (write_types_data, write_func_for_structure,
5160         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
5161         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
5162         (walk_type, write_func_for_structure): Generate the mark_hook if
5163         needed.
5164
5165 2007-01-19  Jan Hubicka  <jh@suse.cz>
5166
5167         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
5168         'early' argument take inlining mode argument specifying whether to
5169         inline for size/speeed or all functions; add support for flattening;
5170         improve dumpting.
5171         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
5172
5173 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5174
5175         PR c++/17947
5176         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
5177         the name of the declared identifier.
5178
5179 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5180
5181         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
5182         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
5183         duplicate evaluation.
5184
5185 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5186
5187         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
5188         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
5189         to XFMode, use acosxf2 and truncate result to requested mode.
5190         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5191         (asin<mode>2): Similarly, with asin expanders.
5192         (*fscalexf4_i387): Rename from *fscalexf4.
5193         (expNcorexf3): New expander.
5194         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
5195         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
5196         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
5197         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
5198         patterns for SSE math.
5199         (exp10<mode>2): Similarly, with exp10 expanders.
5200         (exp2<mode>2): Similarly, with exp2 expanders.
5201         (expm1<mode>2): Similarly, with expm1 expanders.
5202         (ldexp<mode>3): Similarly, with ldexp expanders.
5203         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
5204         Use gen_truncxf<mode>2_i387_noop to truncate result.
5205
5206 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5207
5208         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
5209         for ColdFire targets.
5210
5211 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
5212             Richard Sandiford  <richard@codesourcery.com>
5213
5214         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
5215         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
5216         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
5217         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
5218         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5219         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5220
5221 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5222
5223         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
5224         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
5225         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
5226         (*adddi_dilshr32_cf): New pattern.
5227         (adddi3, subdi3): Remove first alternatives.
5228
5229 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5230
5231         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
5232         implemented using move.l, do not use its cc result for floating-point
5233         comparisons.
5234
5235 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5236
5237         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
5238         from accepting 's' constraints if flag_pic.
5239
5240 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5241
5242         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
5243         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
5244         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
5245         condition from TARGET_68881 to TARGET_HARD_FLOAT.
5246
5247 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
5248
5249         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
5250         ColdFire alternatives.
5251         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
5252         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
5253         architectures that support ff1 instruction.
5254
5255 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5256             Julian Brown  <julian@codesourcery.com>
5257
5258         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
5259         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
5260         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
5261         Add commentary.
5262
5263 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5264
5265         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
5266         and return a bool.
5267         (output_move_const_into_data_reg, output_move_simode_const): Delete.
5268         * config/m68k/m68k.c (const_method, const_int_cost): Take a
5269         HOST_WIDE_INT instead of an rtx.
5270         (m68k_rtx_costs): Update call accordingly.
5271         (output_move_const_into_data_reg): Likewise.  Fix formatting.
5272         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
5273         Return a bool.
5274         (output_move_simode_const): Update calls after above changes.
5275         Rework to use automatic variables and predicates like MEM_P.
5276         * config/m68k/m68k.md (pushexthisi_const): Update call to
5277         valid_mov3q_const.
5278
5279 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5280
5281         * tree-ssa-alias.c (perform_var_substitution): Fix typo
5282         in dump_flags test.
5283
5284 2007-01-19  Richard Guenther  <rguenther@suse.de>
5285
5286         * builtins.c (expand_builtin_cexpi): Fall back to expanding
5287         via cexp in case sincos is not available.
5288
5289 2007-01-19  Richard Guenther  <rguenther@suse.de>
5290
5291         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
5292         * defaults.h (TARGET_HAS_SINCOS): Default to off.
5293         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
5294         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
5295         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
5296         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
5297         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
5298         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
5299
5300 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5301
5302         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
5303         New insn patterns.
5304         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
5305         (atan2xf3): Directly generate RTL pattern.
5306         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
5307         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5308         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5309         disable patterns for SSE math.
5310         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
5311         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5312         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5313         disable patterns for SSE math.
5314
5315 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
5316
5317         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
5318
5319 2007-01-18  Roger Sayle  <roger@eyesopen.com>
5320
5321         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
5322         VIEW_CONVERT_EXPR to the same type as it's operand.
5323
5324 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
5325
5326         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
5327         configured for long double 128.
5328
5329 2007-01-18  Mike Stump  <mrs@apple.com>
5330
5331         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
5332         error.
5333
5334 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
5335
5336         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
5337         type correct.
5338
5339 2007-01-18  Jan Hubicka  <jh@suse.cz>
5340
5341         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
5342         greater than NUM_VOP_FREE_BUCKETS.
5343
5344 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
5345
5346         * tree-ssa-structalias.c: Update comments.
5347         (ptabitmap_obstack): Removed.
5348         (pta_obstack): New.
5349         (oldpta_obstack): Ditto.
5350         (stats): Add a few members.
5351         (struct variable_info): Remove node, complex, address_taken, and
5352         indirect_target members. Add oldsolution member.
5353         (new_var_info): Do not initialize removed members.
5354         (constraint_expr_type): Remove INCLUDES.
5355         (constraint_graph): Add size, implicit_preds, rep,
5356         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
5357         (FIRST_REF_NODE): New macro.
5358         (LAST_REF_NODE): Ditto.
5359         (FIRST_ADDR_NODE): Ditto.
5360         (find): New function.
5361         (unite): Ditto.
5362         (dump_constraint): Do not handle INCLUDES.
5363         (insert_into_complex): Do not insert duplicate constraints.
5364         (condense_varmap_nodes): Renamed and rewritten into ...
5365         (merge_node_constraints): This. Also fix bug in handling of
5366         offseted copy constraints.
5367         (clear_edges_for_node): No longer need to deal with preds at all,
5368         or removing associated preds/succs.
5369         (merge_graph_nodes): Deal with indirect_cycles.
5370         Don't deal with predecessors.
5371         (add_implicit_graph_edge): New function.
5372         (add_pred_graph_edge): Ditto.
5373         (add_graph_edge): Don't deal with predecessors.
5374         (build_constraint_graph): Removed.
5375         (build_pred_graph): New function.
5376         (build_succ_graph): Ditto.
5377         (struct scc_info): Removed in_component. Added roots, dfs, and
5378         node_mapping. Remove visited_index, unification_queue.
5379         (scc_visit): Deal with union-find we do now.
5380         Deal with cycles with REF nodes.
5381         (collapse_nodes): Renamed and rewritten to ...
5382         (unify_nodes): This.
5383         (process_unification_queue): Removed.
5384         (topo_visit): Cleanup
5385         (do_da_constraint): Use find.
5386         (do_sd_constraint): Ditto.
5387         (do_ds_constraint): Ditto.
5388         (do_complex_constraint): Ditto.
5389         (init_scc_info): Update for removed and added members.
5390         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
5391         (find_indirect_cycles): This.
5392         (equivalence_class): New variable.
5393         (label_visit): New function.
5394         (perform_variable_substitution): Rewritten.
5395         (free_var_substitution_info): New function.
5396         (find_equivalent_node): Ditto.
5397         (move_complex_constraints): Ditto.
5398         (eliminate_indirect_cycles): Ditto.
5399         (solve_graph): Only propagate changed bits.
5400         Use indirect cycle elimination.
5401         Use find.
5402         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
5403         (tree_id_eq): Renamed to ...
5404         (tree_vi_eq): This. Update for member change
5405         (insert_id_for_tree): Renamed and rewritten to ...
5406         (insert_vi_for_tree): This.
5407         (lookup_id_for_tree): Renamed and rewritten to ...
5408         (lookup_vi_for_tree): This.
5409         (get_id_for_tree): Renamed and rewritten to ...
5410         (get_vi_for_tree): Ditto.
5411         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
5412         (process_constraint): Don't handle INCLUDES.
5413         Remove special ADDRESSOF case.
5414         (find_func_aliases): Rewrite to use vi functions instead of id
5415         ones.
5416         (create_function_info_for): Ditto.
5417         (create_variable_info_for): Ditto.
5418         (intra_create_variable_infos): Ditto.
5419         (merge_smts_into): Ditto.
5420         (find_what_p_points_to): Ditto.
5421         (init_base_vars): Ditto.
5422         (init_alias_vars): Ditto.
5423         (remove_preds_and_fake_succs): New function.
5424         (dump_sa_points_to_info): Dump new stats.
5425         (dump_solution_for_var): Use find.
5426         (set_used_smts): Fix formatting.
5427         (compute_points_to_sets): Updated for new functions.
5428         (ipa_pta_execute): Ditto.
5429
5430 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5431             Richard Sandiford  <richard@codesourcery.com>
5432
5433         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
5434         parallels.
5435         * calls.c (expand_call): If the return value is a PARALLEL,
5436         extract its first member.
5437         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
5438         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
5439         use FUNCTION_EXTRA_EPILOGUE.
5440         (m68k_function_value): Return a PARALLEL if the return value
5441         is of a pointer type.
5442         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
5443         (FUNCTION_EXTRA_EPILOGUE): Remove.
5444         * config/m68k/m68k.md (D0_REG): New constant.
5445
5446 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5447
5448         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
5449         output a NOP for empty epilogues.
5450
5451 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5452
5453         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
5454         before function.  Extend register save check to include all
5455         registers, not just integer ones.
5456
5457 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5458
5459         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
5460         (m68k_use_return_insn): ...this.
5461         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
5462         * config/m68k/m68k.c (use_return_insn): Rename to...
5463         (m68k_use_return_insn): ...this.
5464         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
5465         of USE_RETURN_INSN.
5466
5467 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5468
5469         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
5470         nearest even, fix denormal rounding overflow.
5471
5472 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5473
5474         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
5475         f%$smove and f%$move.
5476         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
5477         (extendsfdf2_cf): Use fdmove instead of f%&move.
5478         (truncdfsf2_cf): Use fsmove instead of f%$smove.
5479         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
5480
5481 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5482
5483         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
5484         GPR<-GPR moves.
5485
5486 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5487
5488         * real.h (real_format): Add a canonical_nan_lsbs_set field.
5489         (coldfire_single_format): Declare.
5490         (coldfire_double_format): Likewise.
5491         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
5492         of qnan_msb_set to determine the lower bits of a canonical
5493         NaN significand.
5494         (encode_ieee_double): Likewise.
5495         (encode_ieee_quad): Likewise.
5496         (ieee_single_format): Initialize canonical_nan_lsbs_set.
5497         (mips_single_format): Likewise.
5498         (ieee_double_format): Likewise.
5499         (mips_double_format): Likewise.
5500         (ieee_extended_motorola_format): Likewise.
5501         (ieee_extended_intel_96_format): Likewise.
5502         (ieee_extended_intel_128_format): Likewise.
5503         (ieee_extended_intel_96_round_53_format): Likewise.
5504         (ibm_extended_format): Likewise.
5505         (mips_extended_format): Likewise.
5506         (ieee_quad_format): Likewise.
5507         (mips_quad_format): Likewise.
5508         (vax_f_format): Likewise.
5509         (vax_d_format): Likewise.
5510         (vax_g_format): Likewise.
5511         (i370_single_format): Likewise.
5512         (i370_double_format): Likewise.
5513         (decimal_single_format): Likewise.
5514         (decimal_double_format): Likewise.
5515         (decimal_quad_format): Likewise.
5516         (c4x_single_format): Likewise.
5517         (c4x_extended_format): Likewise.
5518         (real_internal_format): Likewise.
5519         (coldfire_single_format): New real_format.
5520         (coldfire_double_format): Likewise.
5521         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
5522         canonical_nan_lsbs_set.
5523         (pdp11_d_format): Likewise.
5524         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
5525         if TARGET_COLDFIRE_CPU.
5526
5527 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5528
5529         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
5530         (output_call, m68k_legitimize_call_address): Declare.
5531         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
5532         parenthesees.  Add support for a 'W' constraint.
5533         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
5534         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
5535         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
5536         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
5537         variables.
5538         (override_options): Initialize them.  Do not set flag_no_function_cse
5539         for TARGET_ID_SHARED_LIBRARY.
5540         (m68k_output_pic_call): Delete.
5541         (m68k_legitimize_call_address): New function.
5542         (print_operand): Remove the %o prefix.  Handle the %p prefix.
5543         (output_call): New function.
5544         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
5545         target address from the GOT if symbolic jumps are not allowed.
5546         * config/m68k/m68k.md (call, general_operand): Do not set
5547         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
5548         Merge separate flag_pic and !flag_pic define_insns into...
5549         (*call, *call_value): ...these new patterns.  Match the address
5550         rather than the containing MEM and require it to be a call_operand.
5551         Use output_call to generate the asm template.
5552         * config/m68k/predicates.md (const_call_operand): New predicate.
5553         (call_operand): Likewise.
5554
5555 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5556
5557         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
5558         (STACK_GROWS_DOWNWARD): Define to 1.
5559         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
5560         comments, emphasizing that these values are only defaults.
5561         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
5562         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
5563
5564 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5565
5566         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
5567
5568 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5569             Richard Sandiford  <richard@codesourcery.com>
5570
5571         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
5572         (FP_REGNO_P): New macros.
5573         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
5574         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
5575         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
5576         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
5577
5578 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5579
5580         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5581         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
5582         to $tmake_file.
5583         * config/m68k/t-floatlib: New file, extracting common code from...
5584         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
5585         * config/m68k/t-uclinux: Here.
5586         * config/m68k/fpgnulib.c: Do not compile extendeed precision
5587         routines on ColdFire targets.
5588
5589 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5590
5591         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5592         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
5593         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
5594         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
5595         explicitly set MOTOROLA to 1.
5596         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
5597
5598 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5599             Nathan Sidwell  <nathan@codesourcery.com>
5600
5601         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
5602         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
5603         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
5604         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
5605         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
5606         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
5607         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
5608         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
5609         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
5610         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
5611         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
5612         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
5613         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
5614         (DBX_REGISTER_NUMBER): Delete.
5615         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
5616         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
5617         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
5618
5619 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5620
5621         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
5622         * config/flat.h: New file.
5623         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
5624         OBJECT_FORMAT_FLAT.
5625         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
5626         indirect references for -msep-data or -mid-shared-library.
5627         Do not use PC-relative code addresses either.
5628         * config/m68k/m68k.c (override_options): Restrict -fPIC error
5629         to -mpcrel.
5630         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
5631         for shared libraries and crt1.o for executables.  Use crti.o and
5632         crtbegin.o.
5633         (ENDFILE_SPEC): Use crtend.o and crtn.o.
5634         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
5635         Do not add -elf2flt or -shared-lib-id options here.
5636         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
5637         Pass -shared-lib-id if -mid-shared-library, taking the library
5638         identifier from -mshared-library-id if given, otherwise
5639         defaulting to 0.
5640         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
5641         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
5642         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
5643         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
5644         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
5645         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
5646         and crtend.o.
5647         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
5648         jump sequence for ISA A and ISA A+.
5649         (PICJUMP): Likewise.
5650
5651 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5652
5653         * config.gcc (m68k-*-uclinux*): Base the port on the common
5654         and m68k GNU/Linux files rather than on the generic ELF ones.
5655         * config/m68k/uclinux.h (TARGET_VERSION): Override.
5656         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5657
5658 2007-01-18  Julian Brown  <julian@codesourcery.com>
5659             Richard Sandiford  <richard@codesourcery.com>
5660
5661         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
5662         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5663         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
5664         before redefining.
5665         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
5666         80 unconditionally.
5667         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5668
5669 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5670
5671         * doc/install.texi: Document m68k-uclinuxoldabi.
5672         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
5673         * config/m68k/uclinux-oldabi.h: New file, copied from
5674         config/m68k/uclinux.h.
5675
5676 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
5677
5678         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
5679         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
5680         (m32r_compute_frame_size): Use unsigned for regno.
5681         (m32r_reload_lr): Use gen_frame_mem.
5682         (pop): New.
5683         (m32r_output_function_epilogue): Don't output the function epilogue
5684         textually here.
5685         (m32r_expand_epilogue): New.
5686         (direct_return): Return false if the function has the interrupt
5687         attribute.
5688         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
5689         * config/m32r/m32r.md (epilogue): New expander.
5690         (return_lr, return_rte): New insns.
5691         (return): Make it expander.
5692         (return_normal): New expander.
5693
5694 2007-01-18  Josh Conner  <jconner@apple.com>
5695
5696         PR target/30485
5697         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
5698         support for UNLE, UNLT, UNGE, and UNGT.
5699
5700 2007-01-18  Jan Hubicka  <jh@suse.cz>
5701
5702         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
5703         * tree-tailcall (add_virtual_phis): Likewise.
5704         (optimize_tail_call): Return TODOs.
5705         (execute_tail_calls): Return TODOs.
5706         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
5707         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
5708         changed.
5709         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5710         Cleanup cfg using TODO.
5711         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
5712         * passes.c (execute_function_todo): When cleanup did something, remove
5713         unused locals.
5714         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
5715         (make_edges): Don't cleanup_cfg.
5716
5717 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
5718
5719         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
5720         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
5721         operate on the top of stack.
5722         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
5723         register handling of instructions that output to the second
5724         stack slot.
5725         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
5726         (move_for_stack_reg): Special-case check for dead destination
5727         stack slot for constant load of 1.0 inside UNSPEC_TAN.
5728
5729         * config/i386/i386.md (UNSPEC_TAN): New constant.
5730         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
5731         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
5732         to correctly model move of constant 1.0 to top stack slot.
5733         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
5734         (unnamed peephole2 pattern): Remove corresponding peephole2
5735         pattern that optimizes tan insn and loading of constant 1.0.
5736         (tanxf2): Use fptanxf4_i387.
5737         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
5738         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
5739         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5740         disable patterns for SSE math.
5741         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
5742         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
5743
5744 2007-01-18  Dirk Mueller  <dmueller@suse.de>
5745             Richard Guenther <rguenther@suse.de>
5746
5747         PR diagnostic/8268
5748         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
5749         * common.opt (Warray-bounds): Add new warning option.
5750         * c-opts.c (c_common_handle_option): Define -Warray-bounds
5751         if -Wall is given.
5752         * Makefile.in: make tree-vrp.o depend on toplev.h
5753         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
5754         is enabled.
5755         (check_array_refs, check_array_bounds, check_array_ref): New.
5756
5757 2007-01-18  Jan Hubicka  <jh@suse.cz>
5758
5759         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
5760         (execute_ssa_ccp): Return flags conditionally.
5761         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
5762         changed.
5763         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
5764
5765 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
5766
5767         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
5768         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
5769
5770         * Makefile.c (GTFILES): Add cfglayout.h.
5771         * gengtype.c (open_base_files): Likewise.
5772         * cfglayout.c (cfg_layout_function_footer,
5773         cfg_layout_function_header) Reindent to make gengtype happy.
5774         * cfglayout.h (cfg_layout_function_footer,
5775         cfg_layout_function_header): Add GTY(()) marker.
5776
5777         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
5778
5779 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5780
5781         * genautomata.c (write_automata): Include xstrerror output in the
5782         error message if writing the DFA description file fails.
5783
5784 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
5785
5786         * config/mips/mips-protos.h (mips_output_external): Make it
5787         return void.
5788         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
5789         * config/mips/mips.c (irix_output_external_libcall): Likewise.
5790         (extern_list): Likewise.
5791         (extern_head): Likewise.
5792         (TARGET_ASM_FILE_END): Likewise.
5793         (mips_file_end): Likewise.
5794         (mips_output_external): Rewritten.
5795
5796 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5797
5798         * genpreds.c (write_insn_preds_c): Only write out the function
5799         body for regclass_for_constraint if we have register constraints.
5800
5801 2007-01-17  Tom Tromey  <tromey@redhat.com>
5802
5803         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5804         * doc/install.texi (Testing): Use sourceware.org.
5805         (Binaries): Likewise.
5806         (Specific): Likewise.
5807         * doc/contrib.texi (Contributors): Use sourceware.org.
5808
5809 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5810
5811         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5812         (AVR_ENHANCED): Rename to ...
5813         (AVR_HAVE_MUL): ... new.
5814         (avr_enhanced_p): Rename to ...
5815         (avr_have_mul_p): ... new.
5816         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5817         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5818         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5819         (avr_have_mul_p): ... new.
5820         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5821         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5822         'avr_enhanced_p' and 'enhanced'.
5823         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5824         AVR_HAVE_MUL instead of AVR_ENHANCED.
5825         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5826         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5827         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5828         instead of AVR_ENHANCED.
5829         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5830         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5831         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5832
5833 2007-01-17  Ian Lance Taylor  <iant@google.com>
5834
5835         * vec.h (VEC_reserve_exact): Define.
5836         (vec_gc_p_reserve_exact): Declare.
5837         (vec_gc_o_reserve_exact): Declare.
5838         (vec_heap_p_reserve_exact): Declare.
5839         (vec_heap_o_reserve_exact): Declare.
5840         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5841         versions.
5842         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5843         negative parameter.
5844         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5845         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5846         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5847         * vec.c (calculate_allocation): Add exact parameter.  Change all
5848         callers.
5849         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5850         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5851         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5852         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5853         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5854         (vec_heap_p_reserve_exact): New function.
5855         (vec_heap_o_reserve_exact): New function.
5856
5857 2007-01-17  Jan Hubicka  <jh@suse.cz>
5858
5859         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5860
5861 2007-01-17  Eric Christopher  <echristo@apple.com>
5862
5863         * config.gcc: Support core2 processor.
5864
5865 2007-01-16  Jan Hubicka  <jh@suse.cz>
5866
5867         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5868         the names, just unlink the chain so we don't crash on dangling pointers
5869         to dead SSA names.
5870
5871 2007-01-16  Jan Hubicka  <jh@suse.cz>
5872
5873         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5874         * tree-pass.h: Reorder to make IPA passes appear toegher.
5875         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5876         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5877         parameters, do not call early inliner.
5878         * ipa-inline.c: Update comments.  Include tree-flow.h
5879         (cgraph_decide_inlining): Do not compute inlining parameters.
5880         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5881         be called with function context set up.
5882         (pass_ipa_inline): Remove unreachable functions before pass.
5883         (cgraph_early_inlining): Simplify assuming to be called from the
5884         PM as local pass.
5885         (pass_early_inline): New pass.
5886         (cgraph_gate_ipa_early_inlining): New gate.
5887         (pass_ipa_early_inline): Turn into simple wrapper.
5888         (compute_inline_parameters): New function.
5889         (gate_inline_passes): New gate.
5890         (pass_inline_parameters): New pass.
5891         (apply_inline): Move here from tree-optimize.c
5892         (pass_apply_inline): New pass.
5893         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5894         transforming.
5895         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5896         doing them by hand.
5897         (tree_function_versioning): Do not allocate dummy struct function.
5898         * tree-inline.h (optimize_inline_calls): Update prototype.
5899         * tree-optimize.c (execute_fixup_cfg): Export.
5900         (pass_fixup_cfg): Remove
5901         (tree_rest_of_compilation): Do not apply inlines.
5902         * tree-flow.h (execute_fixup_cfg): Declare.
5903         * Makefile.in (gt-passes.c): New.
5904         * passes.c: Include gt-passes.h
5905         (init_optimization_passes): New passes.
5906         (nnodes, order): New static vars.
5907         (do_per_function_toporder): New function.
5908         (execute_one_pass): Dump current pass here.
5909         (execute_ipa_pass_list): Don't dump current pass here.
5910
5911 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5912
5913         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5914         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5915
5916 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5917
5918         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5919         (strong_alias): Define.
5920         (__gcc_qmul): Provide non-FMA for soft-float.
5921         (__gcc_qdiv): Same.
5922         (__gcc_qneg): New.
5923         (__gcc_qeq): New.
5924         (__gcc_qle): New.
5925         (__gcc_qge): New.
5926         (__gcc_qunord): New.
5927         (__gcc_stoq): New.
5928         (__gcc_dtoq): New.
5929         (__gcc_qtos): New.
5930         (__gcc_qtod): New.
5931         (__gcc_qtoi): New.
5932         (__gcc_qtou): New.
5933         (__gcc_itoq): New.
5934         (__gcc_utoq): New.
5935         (fmsub): New.
5936         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5937         soft-float functions.
5938         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5939         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5940         about long double soft float.
5941
5942 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5943             Tehila Meyzels  <tehila@il.ibm.com>
5944
5945         * tree-vectorizer.h (is_pattern_stmt_p): New.
5946         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5947         formatting (tabs instead of spaces). Cleanup and clarify setting
5948         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5949         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5950         (vectorizable_type_demotion): Check that types are integral.
5951         (vectorizable_type_promotion): Likewise.
5952         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5953         comments.
5954
5955 2007-01-16  Jan Hubicka  <jh@suse.cz>
5956
5957         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5958         cgraph edges too.
5959
5960 2007-01-15  Eric Christopher  <echristo@apple.com>
5961
5962         * ifcvt.c: Include vec.h, vecprim.h.
5963         (check_cond_move_block): New argument regs.
5964         Reorganize. Add registers used to regs.
5965         (cond_move_process_if_block): Use regs set above as
5966         loop bounds.
5967
5968 2007-01-15  Eric Christopher  <echristo@apple.com>
5969
5970         * config/darwin.h: Update copyright.
5971         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5972         (LINK_COMMAND_SPEC): Add -u.
5973         (LINK_SPEC): Fix umbrella for above.
5974
5975 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5976
5977         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5978         glibc CVS.
5979
5980 2007-01-15  Tom Tromey  <tromey@redhat.com>
5981
5982         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5983         * doc/install.texi (Testing): Don't mention jacks.
5984         (Configuration): Document --enable-java-maintainer-mode.  Move
5985         --with-java-home to libgcj-specific section.  Document
5986         --with-ecj-jar.
5987         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5988
5989 2007-01-15  Jan Hubicka  <jh@suse.cz>
5990
5991         * tree-ssa-dce.c (DCE_TODOs): New.
5992         (propagate_necessity): Return if something changed.
5993         (eliminate_unnecessary_stmts): Likewise.
5994         (perform_tree_ssa_dce): Return TODO flags when needed.
5995         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5996
5997 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5998
5999         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
6000         (fyl2x_extend<mode>xf3_i387): New insn pattern.
6001         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
6002         patterns using X87MODEF12 mode macro.  Extend operand 1
6003         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
6004         (log10<mode>2): Ditto.
6005         (log2<mode>2): Ditto.
6006         (log1p<mode>2): Ditto.
6007         (logb<mode>2): Ditto.
6008         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
6009         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
6010         (*fxtractxf3_i387): Rename from *fxtractxf3.
6011         (fxtract_extend<mode>xf3_i387): New insn pattern.
6012         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
6013         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
6014         and gen_fyl2xxf3_i387().
6015
6016 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
6017
6018         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
6019         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
6020         get_loop_exit_edges.  Changed return type to bool.
6021         * cfgloop.h (fix_loop_placement): Declaration removed.
6022
6023 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
6024
6025         * param.h (MIN_VECT_LOOP_BOUND): New.
6026         * params.def (MIN_VECT_LOOP_BOUND): New.
6027         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
6028         argument - minimum threshold for number of iterations.
6029         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
6030         argument to declaration.
6031         * tree-vect-analyze.c (vect_analyze_operations): Check value of
6032         MIN_VECT_LOOP_BOUND.
6033         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
6034         slpeel_tree_peel_loop_to_edge with additional argument.
6035         (vect_do_peeling_for_alignment): Likewise.
6036         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
6037
6038 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
6039
6040         PR target/30413
6041         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
6042         operands of size 1.
6043
6044 2007-01-14  Jan Hubicka  <jh@suse.cz>
6045
6046         * tree-dfa.c (remove_referenced_var): New function.
6047         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
6048         prune referenced vars list too.
6049         * tree-flow.h (remove_referenced_var): Declare.
6050
6051 2007-01-14  Jan Hubicka  <jh@suse.cz>
6052
6053         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
6054         separately.
6055         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
6056         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
6057         * except.h (verify_eh_throw_table_statements): Kill prototype.
6058         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
6059         into call exrepssions.
6060         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
6061         eh trhow verifier.
6062         * tree-cfg.c: Include pointer-set.h.
6063         (verify_node_sharing): Work on pointer set.
6064         (verify_eh_throw_stmt_node): New.
6065         (verify_stmts): Use pointers sets, verify throw_stmt.
6066
6067 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
6068
6069         * ipa-reference.c (analyze_function): Consider also addresses taken
6070         in phi nodes.
6071
6072 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6073
6074         * c-typeck.c (null_pointer_constant_p): Replace use of
6075         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6076         (build_c_cast): Likewise.
6077
6078 2007-01-12  Roger Sayle  <roger@eyesopen.com>
6079
6080         * tree.h (force_fit_type_double): Remove unused final argument.
6081         * c-common.c (constant_expression_warning): Replace use of
6082         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6083         (convert_and_check): Likewise.
6084         (shorten_compare): Update call to force_fit_type_double.
6085         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
6086         * convert.c (convert_to_pointer): Update call to
6087         force_fit_type_double.
6088         * fold-const.c (force_fit_type_double): Remove overflowed_const
6089         argument.
6090         (int_const_binop, fold_convert_const_int_from_int,
6091         fold_convert_const_int_from_real, fold_div_compare,
6092         fold_sign_changed_comparison, fold_unary, fold_negate_const,
6093         fold_abs_const, fold_not_const): Remove the final argument from
6094         calls to force_fit_type_double.
6095
6096 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6097
6098         * configure.ac: Set insn to "nop" for spu-*-* also.
6099         * configure: Regenerate.
6100
6101 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
6102
6103         * builtins.def : Add BUILT_IN_FREE.
6104
6105 2007-01-12  Jan Hubicka  <jh@suse.cz>
6106
6107         PR tree-optimization/30443
6108         * tree-inline.c (tree_function_versioning): Do not optimize when
6109         cloning for inlining.
6110
6111 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
6112
6113         * doc/loop.texi: Document recording of loop exits.
6114         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
6115         (update_single_exits_after_duplication,
6116         update_single_exit_for_duplicated_loop,
6117         update_single_exit_for_duplicated_loops): Removed.
6118         (duplicate_loop_to_header_edge): Do not call
6119         update_single_exits_after_duplication and
6120         update_single_exit_for_duplicated_loops.
6121         (loop_version): Do not update single_exit information.
6122         (fix_loop_structure): Use record_loop_exits instead of
6123         mark_single_exit_loops.
6124         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
6125         the lists of loop exits.
6126         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
6127         split_edge, merge_blocks): Update the lists of loop exits.
6128         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
6129         loop_optimizer_init.
6130         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
6131         of mark_single_exit_loops.
6132         (loop_optimizer_finalize): Call release_recorded_exits.
6133         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
6134         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
6135         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
6136         update single exit information.
6137         * lambda-code.c (perfect_nestify): Ditto.
6138         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
6139         (mark_single_exit_loops): Removed.
6140         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
6141         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
6142         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
6143         functions.
6144         (get_loop_exit_edges, single_exit): Use recorded exit lists.
6145         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
6146         (verify_loop_structure): Verify consistency of the exit lists.
6147         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
6148         (set_single_exit): Removed.
6149         * cfgloop.h (struct loop_exit): New function.
6150         (struct loop): single_exit_ field replaced by exits field.
6151         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
6152         (struct loops): Added exits hash.
6153         (mark_single_exit_loops, set_single_exit): Declaration removed.
6154         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
6155
6156 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6157
6158         * doc/invoke.texi: Avoid use of @headitem.
6159
6160 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6161
6162         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
6163
6164 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6165
6166         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
6167         list of targets.
6168
6169 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6170             Richard Sandiford  <richard@codesourcery.com>
6171
6172         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
6173         * config/m68k/m68k.opt: Resort options.
6174         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
6175
6176 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6177             Richard Sandiford  <richard@codesourcery.com>
6178
6179         * doc/invoke.texi: Document the macros that are defined by
6180         m68k's -mtune and -mhard-float options.
6181         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
6182         (m68k_cpp_cpu_family): Likewise.
6183         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
6184         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
6185         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
6186         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
6187         (m68k_cpp_cpu_family): Likewise.
6188
6189 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6190
6191         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
6192         macros besides mc68000 as tuning macros.  Use a switch statement
6193         to set them and mcpu32.
6194
6195 2007-01-12  Julian Brown  <julian@codesourcery.com>
6196
6197         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
6198         (TARGET_68040_ONLY): Rename to...
6199         (TARGET_68040): ...this.
6200         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
6201         * config/m68k/m68k.md: Likewise.
6202
6203 2007-01-12  Julian Brown  <julian@codesourcery.com>
6204             Nathan Sidwell  <nathan@codesourcery.com>
6205             Richard Sandiford  <richard@codesourcery.com>
6206
6207         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
6208         the -mcpu= argument associated with the --with-cpu setting.
6209         Define M68K_DEFAULT_TUNE to the default -mtune= option,
6210         if different from the one implied by the -mcpu setting.
6211         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
6212         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
6213         * doc/invoke.texi: Mention ColdFire in the introduction to the
6214         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
6215         -mno-div and -mhard-float options.  Make -m68881 a synonym for
6216         -mhard-float.  Document the previously-undocumented -m5206e,
6217         -m528x, -m5307 and -m5407 options.  Tweak the existing option
6218         documentation for consistency.
6219         * doc/install.texi: Mention new --with-cpu arguments.
6220         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
6221         default CPU if neither -mcpu nor -march are specified.
6222         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
6223         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
6224         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
6225         using m68k_tune to decide between families that implement the
6226         same ISA.  Use m68k_tune to set __mcfv4e__.
6227         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
6228         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
6229         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
6230         (FL_ISA_C, FL_ISA_MMU): New macros.
6231         (MASK_COLDFIRE): Delete.
6232         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
6233         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
6234         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
6235         (TARGET_HARD_FLOAT): Do not define here.
6236         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
6237         (TUNE_68000): New macro.
6238         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
6239         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
6240         (TUNE_CFV2): Redefine in terms of m68k_tune.
6241         (uarch_type, target_device, fpu_type): New enums.
6242         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
6243         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
6244         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
6245         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
6246         (FL_FOR_isa_c): New macros.
6247         (m68k_isa): New enum.
6248         (m68k_target_selection): New structure.
6249         (all_devices, all_isas, all_microarchs): New tables.
6250         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
6251         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
6252         (MASK_ALL_CPU_BITS): Delete.
6253         (m68k_find_selection): New function.
6254         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
6255         Map the legacy target options to a combination of the new ones.
6256         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
6257         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
6258         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
6259         settings.
6260         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
6261         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
6262         properties.
6263         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
6264         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
6265         * config/m68k/m68k-devices.def: New file.
6266
6267 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6268             Nathan Sidwell  <nathan@codesourcery.com>
6269
6270         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
6271         (SUBTARGET_EXTRA_SPECS): New macros.
6272         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
6273         use %(asm_cpu_spec) instead.
6274         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
6275         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
6276         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
6277         (EXTRA_SPECS): Rename to...
6278         (SUBTARGET_EXTRA_SPECS): ...this.
6279
6280 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6281             Richard Sandiford  <richard@codesourcery.com>
6282             Julian Brown  <julian@codesourcery.com>
6283
6284         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6285         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
6286         to the configuration's default CPU.
6287         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
6288         Remove default masks.
6289         (m680[012]0-*-*): Set the default with_cpu to the first part of
6290         the target name.
6291         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
6292         (m68k*-*-linux): Extend the --with-cpu handling to...
6293         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
6294         and m68010.  Don't set target_cpu_default2.
6295         * doc/install.texi: Document --with-cpu for m68k.
6296         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
6297         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
6298         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
6299         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
6300         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
6301         (ASM_SPEC): Remove use of %(asm_cpu_default).
6302         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
6303         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
6304         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
6305         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
6306         __HAVE_FPU__ if TARGET_HARD_FLOAT.
6307         (TARGET_DEFAULT): Delete.
6308         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
6309         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
6310         (CPP_CPU_SPEC): Delete.
6311         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
6312         the appropriate string.
6313         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
6314         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
6315         (ASM_SPEC): Don't use %(asm_default_spec).
6316         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6317         TARGET_DEFAULT and add MASK_68881.
6318         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
6319
6320 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6321
6322         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
6323         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
6324         MASK_68010 alongside MASK_68020.
6325         * doc/invoke.texi: Document -m68010.
6326         * config/m68k/m68k.opt (m68010): New.
6327         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
6328         if TUNE_68010.
6329         (TUNE_68010): New macro.
6330         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
6331         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
6332         (M68K_CPU_m68332): Add MASK_68010.
6333         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
6334         fallback definition.
6335         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
6336         defines.
6337         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
6338         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
6339         to all entries that use MASK_68020.
6340         (output_move_simode_const, output_move_himode, output_move_qimode)
6341         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
6342         instead of TARGET_68020 to select clr behavior.  Remove comment
6343         about there being no TARGET_68010.
6344         * config/m68k/m68k.md: Likewise throughout.
6345
6346 2007-01-12  Julian Brown  <julian@codesourcery.com>
6347
6348         * config/m68k/m68k.h (TARGET_ISAB): New macro.
6349         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
6350         * config/m68k/m68k.md: Likewise.
6351
6352 2007-01-12  Julian Brown  <julian@codesourcery.com>
6353
6354         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
6355         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
6356
6357 2007-01-12  Julian Brown  <julian@codesourcery.com>
6358
6359         * config/m68k/m68k.h (TUNE_68040_60): New macro.
6360         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
6361         * config/m68k/m68k.md: Likewise.
6362
6363 2007-01-12  Julian Brown  <julian@codesourcery.com>
6364             Richard Sandiford  <richard@codesourcery.com>
6365
6366         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
6367         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
6368         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
6369         TARGET_CPU32.
6370         (TARGET_CPU32): Rename to...
6371         (TUNE_CPU32): ...this.
6372         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
6373         (TUNE_CFV2): New macros.
6374         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
6375         remove conditions that are implied by TARGET_68020.
6376         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
6377         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
6378         (m68k_output_function_epilogue): Likewise.
6379         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
6380         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
6381         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
6382         non-68000 timings.  Refactor multiplication and division costs.
6383         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
6384         TUNE_CPU32 instead of TARGET_CPU32.
6385         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
6386         and TUNE_68060 instead of TARGET_68060.
6387         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
6388         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
6389         TARGET_CPU32.
6390         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
6391         && !TARGET_COLDFIRE" to choose between moveq and clr.
6392         Likewise in the unnamed movsf pattern.
6393         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
6394         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
6395         ashiftrt pattern.
6396
6397 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6398
6399         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
6400         of tabbing before backslashes.
6401
6402 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6403
6404         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
6405         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
6406         (ASM_OUTPUT_INTERNAL_LABEL): Define.
6407
6408 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
6409
6410         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
6411         find_interesting_uses_cond.
6412         (find_interesting_uses_cond): Use extract_cond_operands.
6413         (rewrite_use_compare): Use extract_cond_operands and
6414         force_gimple_operand_bsi.  Do not call update_stmt.
6415         (determine_use_iv_cost_condition): Use extract_cond_operands.
6416         Return cheaper of using original bound and changing the exit bound.
6417
6418 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
6419
6420         PR tree-optimization/29516
6421         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
6422         most_expensive_mult_to_index, addr_to_parts,
6423         create_mem_ref, maybe_fold_tmr): Make the type of
6424         fields of TARGET_MEM_REF sizetype.
6425         (move_fixed_address_to_symbol, move_pointer_to_base):
6426         New functions.
6427         * tree.def (TARGET_MEM_REF): Add comment on types of
6428         the operands.
6429
6430 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
6431
6432         * c-common.c (vector_types_convertible_p): Treat opaque types as
6433         always convertible if they have the same size, but not otherwise.
6434
6435 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
6436
6437         * ifcvt.c (struct noce_if_info): Add comments to the fields.
6438         Remove the b_unconditional field.
6439         (noce_try_sign_mask): Do not look at b_unconditional.
6440         (noce_process_if_block): Do not use merge_if_blocks.  Update
6441         the CFG here.  Do not set b_unconditional.
6442         (cond_move_process_if_block): Likewise.
6443         (find_cond_trap): Likewise.
6444         (check_cond_move_block): Require simple jump insns at the end
6445         of the basic block.
6446
6447 2007-01-11  Jan Hubicka  <jh@suse.cz>
6448
6449         PR tree-optimization/1046
6450         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
6451         when alias info is not ready.
6452         (pass_tail_recursion): Do not require aliasing.
6453         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
6454         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
6455         * tree-ssa-copy.c (pass_copy_prop): Likewise.
6456         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6457         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
6458         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
6459         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
6460         before inlining.
6461         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
6462         When aliasing is not build, mark statement as volatile.
6463
6464 2007-01-11  Tom Tromey  <tromey@redhat.com>
6465
6466         PR preprocessor/15185, PR preprocessor/20989:
6467         * doc/cppopts.texi <-MT>: Update description of algorithm for
6468         computing default target.
6469         <-M, -MD>: Reword "basename" text.
6470
6471 2007-01-11  Roger Sayle  <roger@eyesopen.com>
6472
6473         * builtins.c (expand_builtin_pow, expand_builtin_powi,
6474         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
6475         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6476         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
6477         fold_builtin_bswap, real_constp, fold_builtin_pow,
6478         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
6479         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
6480         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6481         * convert.c (convert_to_pointer): Likewise.
6482         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
6483         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
6484         const_binop, fold_convert_const_int_from_int,
6485         fold_convert_const_int_from_real,
6486         fold_convert_const_real_from_real, sign_bit_p,
6487         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
6488         fold_sign_changed_comparison, fold_unary, fold_comparison,
6489         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
6490         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
6491         * print-tree.c (print_node_brief, print_node): Likewise.
6492         * stor-layout.c (place_field, layout_type): Likewise.
6493         * tree-chrec.c (keep_cast): Likewise.
6494         * tree.c (build_vector, build_real, build_real_from_int_cst,
6495         build_complex): Likewise.
6496
6497 2007-01-11  Roger Sayle  <roger@eyesopen.com>
6498
6499         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
6500         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
6501
6502 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
6503
6504         * configure.ac (strict1_warn): Rename to strict_warn.
6505         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
6506         cc_set_by_configure, quoted_cc_set_by_configure,
6507         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
6508         all_boot_languages, all_stagestuff): Remove.
6509         (target_list): Remove bootstrap targets.
6510         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
6511         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
6512         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
6513         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
6514         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
6515         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
6516         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
6517         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
6518         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
6519         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
6520         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
6521         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
6522         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
6523         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
6524         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
6525         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
6526         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
6527         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
6528         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
6529         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
6530         (mostlyclean): Adjust.
6531         (clean, distclean): Don't mention bootstrap stuff.
6532         * configure: Regenerate.
6533         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
6534         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
6535         treelang/config-lang.in (stagestuff): Remove.
6536         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
6537         stageprofile, stagefeedback, stagestuff): Remove mention.
6538
6539 2007-01-11  Nick Clifton  <nickc@redhat.com>
6540
6541         * config/mcore/predicates.md (mcore_general_movesrc_operand):
6542         Accept CONSTs.
6543         (mcore_general_movdst_operand): Do not accept CONST_INTs.
6544         (mcore_arith_K_S_operand): Run the test for the S constraint not
6545         the test for the M constraint.
6546         (mcore_addsub_operand): Do not accept integer values that are
6547         larger than 32 bits.
6548         * config/mcore/mcore.md: Remove unused constraints from split.
6549         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
6550         (addsi3): Likewise.
6551         (allocate_stack): Likewise.
6552         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
6553         operands to 32 bits.
6554         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
6555         INTVAL.
6556         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
6557         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
6558         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
6559         mcore_output_bclri, mcore_output_andn, output_inline_const,
6560         mcore_output_move, mcore_output_movedouble): Likewise.
6561         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
6562         (output_inline_const): Likewise.
6563         (output_inline_const): Fix format strings used in sprintf
6564         statements.
6565         * config/mcore/mcore-protos.h: Update prototypes for changed
6566         functions in mcore.c.
6567         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
6568         HOST_WIDE_INT and not int.
6569         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
6570         CONST_OK_FOR_N): Likewise.
6571         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
6572         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
6573         an INTVAL.
6574
6575 2007-01-10  Jan Hubicka  <jh@suse.cz>
6576
6577         * tree-vrp.c (remove_range_assertions): Release defs.
6578         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
6579         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
6580
6581 2007-01-10  Paul Brook  <paul@codesourcery.com>
6582
6583         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
6584         * config/arm/arm.md (mulsi3subsi): New insn.
6585
6586 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
6587
6588         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
6589         (tree_transform_and_unroll_loop): New.
6590         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
6591         Declare.
6592
6593 2007-01-10  Robert Kennedy <jimbob@google.com>
6594
6595         * fold-const.c (fold_comparison): Fold comparisons like (x *
6596         1000 < 0) to (x < 0).
6597
6598 2007-01-10  Ian Lance Taylor  <iant@google.com>
6599
6600         * tree-pretty-print.c (dump_generic_node): Print parentheses when
6601         operands have the same priority.
6602
6603 2007-01-10  Tom Tromey  <tromey@redhat.com>
6604
6605         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
6606         (fold_binary): Likewise.
6607         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
6608         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
6609         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
6610         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
6611         * langhooks.h (struct lang_hooks): Removed field
6612         'can_use_bit_fields_p'.
6613
6614 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
6615
6616         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
6617
6618 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
6619
6620         * function.c (get_last_funcdef_no): New function.
6621         * function.h (get_last_funcdef_no): Declare.
6622         * tree-inline.c (initialize_cfun): Add initialization.
6623         (tree_function_versioning): Cleanup.
6624
6625 2007-01-10  Jan Hubicka  <jh@suse.cz>
6626
6627         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
6628         PHIs.
6629
6630 2007-01-10  Sa Liu  <saliu@de.ibm.com>
6631             Ben Elliston  <bje@au.ibm.com>
6632
6633         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
6634         for SAVE_NONLOCAL and Pmode for any other save level.
6635         * spu-protos.h (spu_restore_stack_block): Declare.
6636         * spu.md (save_stack_block): Remove.
6637         (restore_stack_block): Call spu_restore_stack_block.
6638         * spu.c (spu_restore_stack_block): New function.
6639         (spu_expand_epilogue): Remove old comment.
6640
6641 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
6642
6643         PR tree-optimization/30322
6644         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
6645         (cand_value_at): Return the value as aff_tree.
6646         (may_eliminate_iv): Convert the bound from aff_tree to tree.
6647         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
6648         aff_combination_mult): New functions.
6649         (aff_combination_add): Use aff_combination_add_cst.
6650         (aff_combination_convert): Allow conversions to a wider type.
6651         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
6652         * tree-affine.h (aff_combination_mult): Declare.
6653
6654 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
6655
6656         * doc/tm.texi: Update documentation to reflect reality of exec
6657         and start file search behaviours. Update copyright year.
6658         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
6659         header file directories.
6660
6661 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
6662
6663         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
6664         (*cosxf2): Rename to cosxf2_i387.
6665         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
6666         using X87MODEF12 mode macro. Rename patterns to
6667         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
6668         for SSE math.
6669         (*cosdf2, *cossf2): Ditto.
6670         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
6671         to match extended input operands.
6672         (sincos<mode>3): New expander.
6673         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
6674         insn patterns and corresponding splitters.
6675
6676 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6677
6678         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
6679         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
6680
6681 2007-01-09  Nicolas Pitre  <nico@cam.org>
6682
6683         PR target/30173
6684         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
6685
6686 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6687
6688         * target.h (struct gcc_target): New field library_rtti_comdat.
6689         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
6690         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
6691         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
6692         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
6693
6694 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6695
6696         * doc/invoke.texi (Optimize Options): Correct description of -O0.
6697
6698 2007-01-08  Richard Guenther  <rguenther@suse.de>
6699
6700         * tree.h (force_fit_type_double): Export.
6701         (force_fit_type): Remove.
6702         * fold-const.c (force_fit_type_double): New function.
6703         (force_fit_type): Remove.
6704         (int_const_binop): Use it.
6705         (fold_convert_const_int_from_int): Likewise.
6706         (fold_convert_const_int_from_real): Likewise.
6707         (fold_div_compare): Likewise.
6708         (fold_sign_changed_comparison): Likewise.
6709         (fold_unary): Likewise.
6710         (fold_negate_const): Likewise.
6711         (fold_abs_const): Likewise.
6712         (fold_not_const): Likewise.
6713         * c-common.c (shorten_compare): Use force_fit_type_double.
6714         * convert.c (convert_to_pointer): Likewise.
6715
6716 2007-01-08  Richard Guenther  <rguenther@suse.de>
6717
6718         * tree.h (build_int_cst_wide_type): Export.
6719         * tree.c (build_int_cst_wide_type): New function.
6720         (build_int_cst_wide): Fix comment.
6721         * builtins.c (fold_builtin_object_size): Use build_int_cst
6722         to build -1 or 0 of the correct type.  Use fit_double_type
6723         to check for overflow.
6724         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
6725         to build the mask.
6726         (decode_field_reference): Likewise.
6727         (all_ones_mask_p): Likewise.
6728         (native_interpret_int): Use build_int_cst_wide_type.
6729         (fold_binary): Use build_int_cst_type to build an all-ones
6730         value.
6731         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
6732
6733 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
6734
6735         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
6736
6737 2007-01-09  Ben Elliston  <bje@au.ibm.com>
6738
6739         * genautomata.c (STATS_OPTION): New option.
6740         (stats_flag): New flag.
6741         (gen_automata_option): Handle it.
6742         (initiate_automaton_gen): Ditto.
6743         (write_automata): Output statistics only if stats_flag is
6744         set. Likewise, output time statistics only if time_flag is set.
6745         * doc/md.texi (Processor pipeline description): Document new flag.
6746
6747 2007-01-08  Richard Guenther  <rguenther@suse.de>
6748
6749         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
6750         * tree.c (build_int_cst_type): Likewise.
6751         (size_in_bytes): Don't call force_fit_type on the result.
6752         (int_fits_type_p): Use fit_double_type.
6753         * fold-const.c (fit_double_type): New function.
6754         (force_fit_type): Use it.
6755         * tree.h (fit_double_type): Export.
6756
6757 2007-01-08  Jan Hubicka  <jh@suse.cz>
6758
6759         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
6760         * ipa.c (function_and_variable_visibility): Fix return type.
6761
6762 2007-01-08  Richard Guenther  <rguenther@suse.de>
6763
6764         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
6765         of offset to build the index.
6766         * tree-pretty-print.c (dump_generic_node): Don't build negated
6767         const just for printing.
6768         * c-pretty-print.c (pp_c_integer_constant): Likewise.
6769         * builtins.c (fold_builtin_int_roundingfn): Check if result
6770         fits the type by using force_fit_type and comparing the result.
6771         * predict.c (predict_loops): Use compare_tree_int for comparison.
6772         * tree.c (build_int_cst): Fall back to integer_type_node for
6773         NULL_TREE type.
6774         (build_int_cst_wide): Assert type is non-null.
6775
6776 2007-01-08  Roberto Costa  <roberto.costa@st.com>
6777
6778         * tree-vrp.c (extract_range_from_cond_expr): New.
6779         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
6780         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
6781         as expressions.
6782         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
6783         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
6784         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
6785         used as expressions.
6786         * tree-object-size.c (cond_expr_object_size): New.
6787         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
6788
6789 2007-01-08  Jan Hubicka  <jh@suse.cz>
6790
6791         * tree-ssa-forwprop.c (forward_propagate_into_cond,
6792         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
6793         statement.
6794
6795 2007-01-08  Richard Guenther  <rguenther@suse.de>
6796
6797         PR tree-optimization/23603
6798         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6799         (extract_range_from_binary): Fall back to truthvalue instead of
6800         varying for TRUTH_*_EXPR.
6801         (extract_range_from_comparison): Fall back to truthvalue instead of
6802         varying.
6803         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6804         if all visited PHI values were constant.
6805
6806 2007-01-08  Jan Hubicka  <jh@suse.cz>
6807
6808         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6809         (cgraph_analyze_function): break out from ...
6810         (cgraph_finalize_compilation_unit): ... here.
6811         (cgraph_expand_function): Remove forgoten commented out line.
6812         (cgraph_optimize): Analyze functions.
6813
6814 2007-01-08  Jan Hubicka  <jh@suse.cz>
6815
6816         * tree-pas.h (TODO_remove_function): New flag.
6817         (TODO_update*): Renumber.
6818         (pass_ipa_increase_alignment,
6819         pass_ipa_function_and_variable_visibility): New passes.
6820         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6821         (cgraph_function_and_variable_visibility): Move to ipa.c
6822         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6823         cgraph_increase_alignment.
6824         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6825         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6826         calling tree-inline.
6827         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6828         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6829         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6830         (gate_increase_alignment): New function.
6831         (pass_ipa_increase_alignment): New pass.
6832         * ipa.c: Inline tree-pass.h and timevar.h
6833         (function_and_variable_visibility): Move here from cgraphunit.c
6834         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6835         * passes.c (init_optimization_passes): Add the two new passes.
6836         (execute_todo): Handle cgraph_remove_functions.
6837
6838 2007-01-08  Nick Clifton  <nickc@redhat.com>
6839
6840         * config/frv/predicates.md (reg_or_0_operand): Accept
6841         CONST_DOUBLEs.
6842
6843 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6844
6845         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6846         * config.gcc: Add bfin*-rtems*.
6847
6848 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6849
6850         * c.opt: Add -flax-vector-conversions.
6851         * c-typeck.c (convert_for_assignment): Pass flag to
6852         vector_types_convertible_p to allow emission of note.
6853         (digest_init): Likewise.
6854         * c-opts.c: Handle -flax-vector-conversions.
6855         * c-common.c (flag_lax_vector_conversions): New.
6856         (vector_types_convertible_p): Unless -flax-vector conversions
6857         has been passed, disallow conversions between vectors with
6858         differing numbers of subparts and/or element types.  If such
6859         a conversion is disallowed, possibly emit a note on the first
6860         occasion only to inform the user of -flax-vector-conversions.
6861         The new last argument specifies this.
6862         * c-common.h (flag_lax_vector_conversions): New.
6863         (vector_types_convertible_p): Add extra argument.
6864         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6865         char_type_node for V*QI type vectors.
6866         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6867         Update to satisfy new typechecking rules.
6868         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6869         C and C++ variants.
6870         * doc/invoke.texi (C Dialect Options): Document
6871         -flax-vector-conversions.
6872
6873 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6874
6875         PR tree-optimization/29877
6876         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6877         a register variable on the RHS to not be replaceable.
6878
6879 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6880         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6881         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6882         const_simm15, const_pow2, const_npow2): Added.
6883         * config/score/misc.md (insv, extv, extzv, movmemsi,
6884         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6885         * config/score/score.c (score_address_cost, score_select_cc_mode):
6886         Added.
6887         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6888         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6889         Update score_print_operand.
6890         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6891         Adjust register allocate order and update some macro define.
6892         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6893         mdx_block_move_straight, mdx_block_move_loop_head,
6894         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6895         mdx_block_move): Added.
6896         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6897         mdp_limm): Updated and fix some bug and typo.
6898         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6899         (movsf, movdf, doloop_end): Added.
6900
6901 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6902
6903         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6904         config/arm/thumb2.md: Fix comment typos.
6905         * doc/extend.texi: Fix a typo.
6906
6907 2007-01-07  Eric Christopher  <echristo@apple.com>
6908
6909         * configure.ac: Check for __stack_chk_fail for darwin.
6910         * configure: Regenerate.
6911
6912 2007-01-07  Richard Guenther  <rguenther@suse.de>
6913
6914         * tree-vrp.c (extract_range_from_assert): CSE calls to
6915         compare_values where possible.
6916         (extract_range_from_unary_expr): Likewise.
6917
6918 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6919
6920         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6921         * config/avr/avr.c (call_insn_operand): Delete function.
6922         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6923         instead of register number. Use predicates.
6924         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6925         call_insn_operand): Add.
6926
6927 2007-01-06  Jan Hubicka  <jh@suse.cz>
6928
6929         * tree-pass.h (pass_build_cgraph_edges): Declare.
6930         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6931         (visited_nodes): Remove.
6932         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6933         build_cgrpah_edges; make visited_nodes local.
6934         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6935         (record_references_in_initializer): Move to cgraphbuild.c
6936         (initialize_inline_failed, rebuild_cgraph_edges,
6937         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6938         (verify_cgraph_node): Make visited_nodes local.
6939         (cgraph_analyze_function): Do not call cgraph_create_edges and
6940         initialize_inline_failed.
6941         (cgraph_expand_function): Do not call cgraph_lower_function;
6942         assert that function is already lowered.
6943         * Makefile.in (cgraphbuild.o): New.
6944         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6945         at the end of lowering passes.
6946
6947 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6948
6949         * ifcvt.c (cond_move_convert_if_block): New function, code
6950         factored out from...
6951         (cond_move_process_if_block): ...here.  Call the new function
6952         on the THEN and ELSE blocks.
6953         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6954         already takes care of this.
6955
6956 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6957
6958         PR c/19978
6959         * tree.h (TREE_OVERFLOW_P): New.
6960         * c-typeck.c (parser_build_unary_op): Warn only if result
6961         overflowed and operands did not.
6962         (parser_build_binary_op): Likewise.
6963         (convert_for_assignment): Remove redundant overflow_warning.
6964         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6965
6966 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6967
6968         * c-typeck.c (store_init_value): Split over two lines to follow
6969         the GNU coding style.
6970
6971 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6972
6973         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6974         __GXX_EXPERIMENTAL_CXX0X__.
6975         * doc/cpp.texi: Same.
6976
6977 2007-01-05  Richard Guenther  <rguenther@suse.de>
6978
6979         PR middle-end/27826
6980         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6981         with mismatched types.  Instead explicitly build a
6982         conversion NOP_EXPR.
6983
6984 2007-01-05  Ian Lance Taylor  <iant@google.com>
6985
6986         * c-common.c (decl_with_nonnull_addr_p): New function.
6987         (c_common_truthvalue_conversion): Call it.
6988         * c-typeck.c (build_binary_op): Likewise.
6989         * c-common.h (decl_with_nonnull_addr_p): Declare.
6990
6991 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6992
6993         PR c/30360
6994         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6995         denom against 0.0.
6996
6997 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6998
6999         * doc/install.texi (Final install): Document the fact that
7000         the GNAT runtime should not be stripped.
7001
7002 2007-01-04  Jan Hubicka  <jh@suse.cz>
7003
7004         * tree-inline.c (fold_marked_statements): Update operand caches
7005         and EH after folding
7006
7007 2007-01-04  Ian Lance Taylor  <iant@google.com>
7008
7009         * c-common.c (check_function_nonnull): Whitespace fix.
7010
7011 2007-01-04  Jan Hubicka  <jh@suse.cz>
7012
7013         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
7014         comitted older version of patch.
7015         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
7016         function, celanup cfg and collect garbage.
7017
7018 2007-01-04  Mike Stump  <mrs@apple.com>
7019
7020         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
7021         (clean): Likewise.
7022
7023 2007-01-04  Eric Christopher  <echristo@apple.com>
7024
7025         * libgcc2.c (__bswapsi2): Use SItype.
7026         (__bswapdi2): Use DItype.
7027         * libgcc2.h: Update for above.
7028
7029 2007-01-04  Paul Brook  <paul@codesourcery.com>
7030
7031         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
7032         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
7033         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
7034         umulsidi3, umulsidi3adddi, smulsi3_highpart,
7035         umulsi3_highpart): Make conditional on !arm_arch6.
7036         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
7037         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
7038         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
7039         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
7040         umulsi3_highpart_v6): New insns.
7041
7042 2007-01-04  Roger Sayle  <roger@eyesopen.com>
7043
7044         * fold-const.c (fold_convert): When casting an expression to void,
7045         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
7046         have a type.  Instead of attempting to build a NOP_EXPR, return
7047         these "special" trees directly.
7048
7049 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
7050
7051         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
7052         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
7053         rs6000_cost->fp not 0 as adjustment for outer NEG.
7054
7055 2007-01-04  Jan Hubicka  <jh@suse.cz>
7056
7057         * cgraph.c (cgraph_release_function_body): New function.
7058         (cgraph_remove_node): Use it.
7059         * cgraph.h (cgraph_release_function_body): Declare.
7060         * cgraphunit.c (cgraph_expand_function): Use it.
7061         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
7062         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
7063         is initialized and while compilation of other function is running.
7064         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
7065         statement CFG annotations from here to ...
7066         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
7067
7068 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
7069
7070         * cfgloop.h (enum li_flags): Make the constants powers of two.
7071
7072 2007-01-04  Jan Hubicka  <jh@suse.cz>
7073
7074         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
7075         set.
7076         (fold_marked_statements): New function.
7077         (optimize_inline_calls, tree_function_versioning): Fold new statements.
7078         * tree-inline.h (copy_body_data): Add statements_to_fold.
7079
7080 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
7081
7082         * config.gcc: Mention libgcc/config.host.
7083         * Makefile.in: Update comments mentioning libgcc.
7084         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
7085         (all.cross, start.encap, rest.encap, rest.cross): Update
7086         dependencies for libgcc move.
7087         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
7088         (clean-target, clean-target-libgcc): Delete.
7089         (srcdirify, GCC_EXTRA_PARTS): New macros.
7090         (libgcc-support, libgcc.mvars): New rules.
7091         (distclean): Remove mention of mklibgcc.
7092         (install): Don't reference INSTALL_LIBGCC.
7093         (install-common): Don't reference EXTRA_PARTS.
7094         (install-libgcc, install-multilib): Delete rules.
7095         * mklibgcc.in: Delete file.
7096         * doc/configfiles.texi: Don't mention mklibgcc.
7097
7098         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
7099         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
7100         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
7101         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
7102         (mklibgcc, ldblspecs): Likewise.
7103
7104         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
7105         (posixpre.def): Use $(T).
7106         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
7107         (SHLIB_SRC, SHLIB_INSTALL): Delete.
7108         (SHLIB_LINK): Make dummy.
7109         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
7110
7111         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
7112
7113         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
7114         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
7115         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
7116         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
7117
7118         * configure.ac (all_outputs): Remove mklibgcc.
7119         * configure: Regenerated.
7120
7121 2007-01-03  Josh Conner  <jconner@apple.com>
7122
7123         PR middle-end/29683
7124         * calls.c (compute_argument_addresses): Set stack and stack_slot
7125         for partial args, too.
7126         (store_one_arg): Use locate.size.constant for the size when
7127         generating a save_area.
7128
7129 2007-01-03  Robert Kennedy <jimbob@google.com>
7130
7131         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
7132         whose definitions are deleted due to basic block merging.
7133
7134 2007-01-03  Paul Brook  <paul@codesourcery.com>
7135
7136         PR target/16634
7137         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
7138         functions.
7139         (use_return_insn): Return 0 for Thumb interrupt functions.
7140         (print_multi_reg): Add rfe argument for IRQ returns.
7141         (arm_output_epilogue): Pop interrupt return address directly into PC.
7142         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
7143
7144 2007-01-03  Paul Brook  <paul@codesourcery.com>
7145
7146         Merge from sourcerygxx-4_1.
7147         * config/arm/thumb2.md: New file.
7148         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
7149         Thumb-2.
7150         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
7151         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7152         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
7153         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
7154         tables.
7155         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7156         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
7157         comptibility.
7158         * config/arm/ieee754-sf.S: Ditto.
7159         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
7160         (thumb1_base_register_rtx_p): ... to this.
7161         (thumb_index_register_rtx_p): Rename...
7162         (thumb1_index_register_rtx_p): ... to this.
7163         (thumb_output_function_prologue): Rename...
7164         (thumb1_output_function_prologue): ... to this.
7165         (thumb_legitimate_address_p): Rename...
7166         (thumb1_legitimate_address_p): ... to this.
7167         (thumb_rtx_costs): Rename...
7168         (thumb1_rtx_costs): ... to this.
7169         (thumb_compute_save_reg_mask): Rename...
7170         (thumb1_compute_save_reg_mask): ... to this.
7171         (thumb_final_prescan_insn): Rename...
7172         (thumb1_final_prescan_insn): ... to this.
7173         (thumb_expand_epilogue): Rename...
7174         (thumb1_expand_epilogue): ... to this.
7175         (arm_unwind_emit_stm): Rename...
7176         (arm_unwind_emit_sequence): ... to this.
7177         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
7178         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
7179         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
7180         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
7181         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
7182         thumb2_output_casesi): New functions.
7183         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
7184         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
7185         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
7186         THUMB2_WORK_REGS): Define.
7187         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
7188         arm_condexec_mask, arm_condexec_masklen)): New variables.
7189         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
7190         (arm_override_options): Check new CPU capabilities.
7191         Set new architecture flag variables.
7192         (arm_isr_value): Handle v7m interrupt functions.
7193         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
7194         Thumb-2.
7195         (const_ok_for_arm): Handle Thumb-2 constants.
7196         (arm_gen_constant): Ditto.  Use movw when available.
7197         (arm_function_ok_for_sibcall): Return false for v7m interrupt
7198         functions.
7199         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
7200         (thumb_find_work_register, arm_load_pic_register,
7201         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
7202         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
7203         print_multi_reg, output_mov_long_double_fpa_from_arm,
7204         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
7205         output_mov_double_fpa_from_arm, output_move_double,
7206         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
7207         output_return_instruction, arm_output_function_prologue,
7208         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
7209         arm_output_mi_thunk, thumb_set_return_address): Ditto.
7210         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
7211         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
7212         (arithmetic_instr, shift_op): Use arm_shift_nmem.
7213         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
7214         '!' and 'L'.
7215         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
7216         (thumb_expand_prologue): Use thumb_set_frame_pointer.
7217         (arm_file_start): Output directive for unified syntax.
7218         (arm_unwind_emit_set): Handle stack alignment instruction.
7219         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
7220         Add v6t2, v7, v7a, v7r and v7m.
7221         (RETLDM): Add Thumb-2 code.
7222         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
7223         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
7224         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
7225         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
7226         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
7227         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
7228         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
7229         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
7230         ADJUST_INSN_LENGTH): Define.
7231         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
7232         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
7233         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
7234         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
7235         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
7236         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
7237         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
7238         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
7239         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
7240         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
7241         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
7242         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
7243         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
7244         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
7245         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
7246         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
7247         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
7248         cortex-m3.
7249         * config/arm/arm-tune.md: Regenerate.
7250         * config/arm/arm-protos.h: Update prototypes.
7251         * config/arm/vfp.md: Enable patterns for Thumb-2.
7252         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
7253         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
7254         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
7255         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
7256         * config/arm/libunwind.S: Add Thumb-2 code.
7257         * config/arm/constraints.md: Update include Thumb-2.
7258         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
7259         * config/arm/ieee754-df.S: Ditto.
7260         * config/arm/bpabi.S: Ditto.
7261         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
7262         * config/arm/predicates.md (low_register_operand,
7263         low_reg_or_int_operand, thumb_16bit_operator): New.
7264         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
7265         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
7266         * config/arm/t-arm-elf: Add armv7 multilib.
7267         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
7268         Include thumb2.md.
7269         (UNSPEC_STACK_ALIGN, ce_count): New.
7270         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
7271         arm_zero_extendsidi2, arm_zero_extendqidi2): New
7272         insns/expanders.
7273         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
7274         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
7275         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
7276         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
7277         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
7278         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
7279         insns.
7280         * doc/extend.texi: Document ARMv7-M interrupt functions.
7281         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
7282
7283 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
7284
7285         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
7286         (struct _Unwind_Context): Rename args_size to flags, remove
7287         signal_frame field, add a new args_size field and version field.
7288         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
7289         _Unwind_IsExtendedContext): New inline functions.
7290         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7291         Assume by_value array is only present if _Unwind_IsExtendedContext.
7292         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
7293         _Unwind_IsSignalFrame.
7294         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
7295         (uw_update_context_1): Use _Unwind_SetSignalFrame.
7296         (uw_init_context_1): Initialize context->flags to
7297         EXTENDED_CONTEXT_BIT.
7298         * config/rs6000/linux-unwind.h (frob_update_context): Use
7299         _Unwind_SetSignalFrame.
7300
7301 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7302
7303         PR middle-end/30353
7304         * gimplify.c (gimplify_modify_expr_complex_part): Move below
7305         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
7306         the value.
7307
7308 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
7309
7310         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
7311         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
7312         RET, AT_SP): Remove.
7313         * config/i386/i386.md (*sse_prologue_save_insn): Use return
7314         instead of RET.
7315
7316         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7317         * cfgbuild.c (find_basic_blocks): Likewise.
7318         * cfgrtl.c (rtl_create_basic_block): Likewise.
7319         * function.c (temp_slots_at_level): Likewise.
7320         * reg-stack.c (stack_regs_mentioned): Likewise.
7321         * regclass.c (allocate_reg_info): Likewise.
7322         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7323         set_bb_for_stmt, move_block_to_fn): Likewise.
7324         * tree-complex.c (tree_lower_complex): Likewise.
7325         * vec.h (VEC_safe_grow_cleared): New.
7326
7327         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
7328
7329 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
7330
7331         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
7332         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
7333         to loop_version.
7334         * cfgloopmanip.c (scale_loop_frequencies): Export.
7335         (loopify): Scale the frequencies by prescribed coefficients.
7336         (set_zero_probability): New function.
7337         (duplicate_loop_to_header_edge): Improve updating of frequencies.
7338         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
7339         and frequencies according to arguments.
7340         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
7341         correctly.
7342         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
7343         * modulo-sched.c (sms_schedule): Set probabilities for entering
7344         versioned loop correctly.
7345         * tree-vect-transform.c (vect_transform_loop): Ditto.
7346         * cfgloop.h (loopify, loop_version): Declaration changed.
7347         (scale_loop_frequencies): Declared.
7348
7349 2007-01-02  Jan Hubicka  <jh@suse.cz>
7350
7351         * cgraph.c: Include tree-flow.h
7352         (cgraph_add_new-function): Handle IPA_SSA mode; execute
7353         early_local_passes.
7354         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
7355         * tree-pass.h (pass_all_early_optimizations): Declare.
7356         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
7357         early_local_passes.
7358         (cgraph_analyze_function): Do early_local_passes.
7359         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7360         Do not add referenced vars.
7361         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
7362         SSA form.
7363         (gate_all_early_local_passes): New gate.
7364         (pass_early_local_passes): Use new gate.
7365         (execute_early_local_optimizations): New functions.
7366         (gate_all_early_optimizations): New gate.
7367         (pass_all_early_optimizations): New pass.
7368         (execute_free_datastructures): Free SSA only when initialized.
7369         (gate_init_datastructures): Init only when optimizing.
7370         (tree_lowering_passes): Do early local passes when called late.
7371         * tree-profile.c (do_tree_profiling): Don't profile functions added
7372         late.
7373         (do_early_tree_profiling, pass_early_tree_profile): Kill.
7374         * tree-cfg.c (update_modified_stmts): Do not update when operands are
7375         not active.
7376         * passes.c (init_optimizations_passes): Reorder so we go into SSA
7377         during early_local_passes.
7378         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
7379
7380
7381 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7382
7383         * Makefile.in: Update copyright year.
7384
7385 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7386
7387         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
7388         in $(lang_checks) and check-consistency targets.
7389
7390 2007-01-02  Jan Hubicka  <jh@suse.cz>
7391
7392         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7393         Do not add referenced vars.
7394         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
7395         are not active.
7396         * passes.c (init_optimization_passes): Put mudflap_2 after
7397         free_datastructures.
7398
7399 2007-01-02  Jan Hubicka  <jh@suse.cz>
7400
7401         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
7402         Set NOTHROW flag on call statements proved to be nothrow.
7403         Update statement of local calls so new pure/const functions are
7404         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
7405         goto receivers.
7406         (tree_rest_of_compilation): Register hooks and initialize bitmap
7407         early. Do not set after_inlining flag.
7408
7409 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
7410
7411         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
7412         HOST_BITS_PER_LONGLONG
7413
7414 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7415
7416         PR c/19977
7417         * c-typeck.c (store_init_value): Don't emit pedantic overflow
7418         warning for non-static initializers.
7419
7420 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
7421
7422         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
7423         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
7424         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
7425         Always use set_unique_reg_note to add REG_EQUAL notes.
7426
7427 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7428
7429         Revert:
7430         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7431
7432         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7433         * cfgbuild.c (find_basic_blocks): Likewise.
7434         * cfgrtl.c (rtl_create_basic_block): Likewise.
7435         * function.c (temp_slots_at_level): Likewise.
7436         * reg-stack.c (stack_regs_mentioned): Likewise.
7437         * regclass.c (allocate_reg_info): Likewise.
7438         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7439         set_bb_for_stmt, move_block_to_fn): Likewise.
7440         * tree-complex.c (tree_lower_complex): Likewise.
7441         * vec.h (VEC_safe_grow_cleared): New.
7442
7443 2007-01-02  Ian Lance Taylor  <iant@google.com>
7444
7445         * c-common.c (c_common_truthvalue_conversion): When warning about
7446         using an assignment as a truth value, set TREE_NO_WARNING.
7447
7448 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7449
7450         PR middle-end/7651
7451         * c.opt (Wold-style-declaration): New.
7452         * doc/invoke.texi (C-only Warning Options): New.
7453         (Wold-style-declaration): Document it.
7454         (Wextra): Enabled by -Wextra.
7455         * c-opts.c (c_common_post_options): Enabled by -Wextra.
7456         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
7457         -Wold-style-declaration.
7458
7459 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7460
7461         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7462         * cfgbuild.c (find_basic_blocks): Likewise.
7463         * cfgrtl.c (rtl_create_basic_block): Likewise.
7464         * function.c (temp_slots_at_level): Likewise.
7465         * reg-stack.c (stack_regs_mentioned): Likewise.
7466         * regclass.c (allocate_reg_info): Likewise.
7467         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7468         set_bb_for_stmt, move_block_to_fn): Likewise.
7469         * tree-complex.c (tree_lower_complex): Likewise.
7470         * vec.h (VEC_safe_grow_cleared): New.
7471
7472 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
7473
7474         * c-common.c (c_common_nodes_and_builtins): Since variants of
7475         void_type_node get built before it is given a name, we need to
7476         give those variants the name, too.
7477         (complete_array_type): We need to work with the canonical main
7478         type of the array, from which we will build the qualified version.
7479         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
7480         * print-tree.c (print_node): Display canonical type information
7481         for each type.
7482         * stor-layout.c (layout_type): When we don't know the
7483         alignment of a type for which we're building an array, we end up
7484         guessing wrong, so make the type require structural equality.
7485         * tree.c (make_node_stat): When we build a new type, it is its
7486         own canonical type.
7487         (build_type_attribute_qual_variant): When building an attribute
7488         variant, its canonical type is the non-attribute variant. However,
7489         if the attributes are target-dependent and they differ, we need to
7490         use structural equality checks for this type.
7491         (build_qualified_type): A qualified type is not equivalent to its
7492         unqualified variant; set the canonical type appropriately.
7493         (build_distinct_type_copy): When building a distinct type from
7494         another type, the new type is its own canonical type.
7495         (build_variant_type_copy): When building a new type variant, we
7496         assume that it is equivalent to the original type.
7497         (build_pointer_type_for_mode): When building a pointer type, also
7498         build a canonical type pointer.
7499         (build_reference_type_for_mode): When building a reference type,
7500         also build a canonical type reference.
7501         (build_index_type): When we can't hash an index type (e.g.,
7502         because its maximum value is negative), the index type requires
7503         structural equality tests.
7504         (build_array_type): Build the canonical form of an array type.
7505         (build_function_type): Function types require structural equality,
7506         because they contain default arguments, attributes, etc.
7507         (build_method_type_directly): Ditto for method types.
7508         (build_offset_type): Build the canonical offset type.
7509         (build_complex_type): Build the canonical vector type.
7510         (make_vector_type): Build the canonical vector type.
7511         * tree.h (TYPE_CANONICAL): New.
7512         (TYPE_STRUCTURAL_EQUALITY_P): New.
7513         (SET_TYPE_STRUCTURAL_EQUALITY): New.
7514         (struct tree_type): Added "canonical" field.
7515         * params.h (VERIFY_CANONICAL_TYPES): New.
7516         * doc/c-tree.texi (TYPE_CANONICAL): Document.
7517         (TYPE_STRUCTURAL_EQUALITY_P): Document.
7518         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
7519         * doc/invoke.texi (verify-canonical-types): Document --param
7520         parameter for verifying canonical types.
7521
7522 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7523
7524         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
7525         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
7526         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
7527         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
7528         tm_file.
7529         * config/rs6000/e500.h: New.
7530         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
7531         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
7532         Remove.
7533         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
7534         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
7535         TARGET_E500_DOUBLE): Remove.
7536         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
7537         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
7538         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
7539         * config/rs6000/rs6000.c (rs6000_override_options): Use
7540         CHECK_E500_OPTIONS.
7541
7542 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7543
7544         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
7545         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
7546         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
7547         rs6000_emit_cmove): Don't check TARGET_E500.
7548         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
7549         sordered): Don't check TARGET_E500.
7550
7551 2007-01-01  Eric Christopher  <echristo@apple.com>
7552
7553         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
7554         HARD_REGISTER_NUM_P.
7555
7556 2007-01-01  Roger Sayle  <roger@eyesopen.com>
7557
7558         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
7559         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
7560         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
7561         eq/ne Y".
7562
7563 2007-01-01  Mike Stump  <mrs@apple.com>
7564
7565         * configure.ac: Remove support for building with Apple's gcc-3.1.
7566
7567 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7568
7569         PR middle-end/30311
7570         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
7571         REG is a hard register.  Do not modify REG before calling
7572         subreg_nregs.
7573         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
7574         multiple of the size of YMODE for certain lowpart cases.
7575
7576 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7577
7578         PR middle-end/30253
7579         * gimplify (voidify_wrapper_expr): Update for
7580         GIMPLE_MODIFY_STMT.
7581
7582 2007-01-01  Andreas Schwab  <schwab@suse.de>
7583
7584         PR target/29166
7585         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
7586         save of BR0 in extra_spill_size instead of spill_size.
7587         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
7588         area.
7589         (ia64_expand_epilogue): Restore BR0 from its new location.
7590
7591 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7592
7593         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
7594         Use a temporary variable if the left hand side is not a gimple
7595         register.
7596
7597 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7598
7599         * gimplify.c (gimplify_return_expr): Make the temporary variable
7600         for the return expression, a gimple register variable.
7601
7602 2007-01-01  Jan Hubicka  <jh@suse.cz>
7603
7604         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
7605         INSN_LIST.
7606
7607 2007-01-01  Mike Stump  <mrs@apple.com>
7608
7609         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
7610         .literal16.
7611         * config/darwin.c (machopic_select_rtx_section): Use
7612         HAVE_GAS_LITERAL16.
7613         (darwin_mergeable_constant_section): Likewise.
7614         * configure: Regenerate.
7615         * config.in: Regenerate.
7616
7617 2007-01-01  Jan Hubicka  <jh@suse.cz>
7618             Andrew Pinski  <pinskia@gmail.com>
7619
7620         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
7621         before starting IPA passes.