gcc/ChangeLog

   1 2010-12-13  Alexandre Oliva  <aoliva@redhat.com>
   2
   3         PR debug/46576
   4         * jump.c (mark_all_labels): Skip debug insns.
   5
   6 2010-12-13  Alexandre Oliva  <aoliva@redhat.com>
   7
   8         PR debug/46782
   9         * cfgcleanup.c (try_forward_edges): Skip debug insns.
  10
  11 2010-12-12  Jan Hubicka  <jh@suse.cz>
  12             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  13
  14         * varasm.c (default_function_section): Check flag_reorder_functions
  15         and targetm.have_named_sections.
  16         * config/darwin.c (darwin_function_section): Check
  17         flag_reorder_functions.
  18
  19 2010-12-12  Finn Thain  <fthain@telegraphics.com.au>
  20
  21         PR target/46179
  22         * config/m68k/m68k.c (handle_move_double): Insert calls to
  23         m68k_final_prescan_insn to clean up @TLS operand syntax.
  24
  25 2010-12-10  Sebastian Pop  <sebastian.pop@amd.com>
  26
  27         PR tree-optimization/43023
  28         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p):
  29         Removed.
  30         (stores_zero_from_loop): Call stmt_stores_zero.
  31         * tree-data-ref.h (stmt_stores_zero): New.
  32         * tree-loop-distribution.c (generate_memset_zero): Do not return a
  33         boolean.  Call gcc_assert on stride_of_unit_type_p.
  34         (generate_builtin): Call stmt_stores_zero.
  35         (rdg_flag_all_uses): Removed.
  36         (rdg_flag_similar_memory_accesses): Removed.
  37         (build_rdg_partition_for_component): Removed parameter
  38         other_stores.  Removed call to rdg_flag_similar_memory_accesses.
  39         (can_generate_builtin): New.
  40         (similar_memory_accesses): New.
  41         (fuse_partitions_with_similar_memory_accesses): New.
  42         (rdg_build_partitions): Call
  43         fuse_partitions_with_similar_memory_accesses.
  44
  45 2010-12-10  Jakub Jelinek  <jakub@redhat.com>
  46
  47         PR rtl-optimization/46804
  48         * regmove.c (optimize_reg_copy_3): Look for REG_EQUAL note
  49         on the setter of src_reg rather than on insn.  If it is
  50         equal to the setter's original SET_SRC, replace it with its
  51         zero or sign extension instead of dropping it.
  52
  53 2010-12-10  Richard Guenther  <rguenther@suse.de>
  54
  55         PR lto/46808
  56         * lto-symtab.c (lto_symtab_merge_decls_2): Avoid type warnings
  57         after errors.
  58         (lto_symtab_merge_decls_1): Adjust.
  59
  60 2010-12-10  Dave Korn  <dave.korn.cygwin@gmail.com>
  61
  62         PR middle-end/46674
  63         PR lto/43157
  64         * target.def (mangle_assembler_name): New target asm_out hook.
  65         * targhooks.c (default_mangle_assembler_name): Add default hook
  66         implementation.
  67         * targhooks.h (default_mangle_assembler_name): Add prototype.
  68         * lto-symtab.c (lto_symtab_register_decl): Use new hook when
  69         processing DECL_ASSEMBLER_NAMEs for lto symtabs.
  70         (lto_symtab_get_resolution): Likewise.
  71         (lto_cgraph_replace_node): Likewise.
  72         (lto_symtab_prevailing_decl): Likewise.
  73         * lto-streamer-out.c (write_symbol): Likewise.
  74         * doc/tm.texi.in (TARGET_MANGLE_ASSEMBLER_NAME): Add @hook directive.
  75         * doc/tm.texi: Regenerate.
  76         * config/i386/cygming.h (TARGET_MANGLE_ASSEMBLER_NAME): Define to
  77         point at i386_pe_mangle_assembler_name.
  78         * config/i386/winnt.c (i386_pe_mangle_assembler_name): New function.
  79         * config/i386/i386-protos.h (i386_pe_mangle_assembler_name): Add
  80         prototype.
  81
  82 2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>
  83
  84         * c-typeck.c (readonly_error): Delete.
  85
  86 2010-12-10  Jakub Jelinek  <jakub@redhat.com>
  87
  88         PR rtl-optimization/46865
  89         * rtl.c (rtx_equal_p_cb, rtx_equal_p): For last operand of
  90         ASM_OPERANDS and ASM_INPUT if integers are different,
  91         call locator_eq.
  92         * jump.c (rtx_renumbered_equal_p): Likewise.
  93
  94         PR tree-optimization/46864
  95         * tree-ssa-loop-im.c (loop_suitable_for_sm): Return false even
  96         when there are EDGE_EH exit edges.
  97
  98 2010-12-10  Tobias Burnus  <burnus@net-b.de>
  99
 100         PR fortran/46540
 101         * configure.ac: Handle --disable-libquadmath-support.
 102         * doc/install.texi: Document --disable-libquadmath and
 103         --disable-libquadmath-support
 104         * configure: Regenerate.
 105         * config.in: Regenerate.
 106
 107 2010-12-10  Jack Howarth  <howarth@bromo.med.uc.edu>
 108             Iain Sandoe  <iains@gcc.gnu.org>
 109
 110         PR 43751/target
 111         * config/darwin9.h (DSYMUTIL_SPEC): Add fortran source types.
 112
 113 2010-12-10  Iain Sandoe <iains@gcc.gnu.org>
 114
 115         * config/rs6000/rs6000.c
 116         (rs6000_darwin64_record_arg_advance_recurse): Name register increment
 117         explicitly.  (rs6000_darwin64_record_arg_recurse): Make sure we split
 118         long doubles when we run out of regs.   Also flag that this requires
 119         stack and therefore cannot be returned by value.
 120         (rs6000_darwin64_record_arg): Update comment.
 121         (rs6000_function_value): Likewise.
 122
 123 2010-12-10  Nicola Pero  <nicola.pero@meta-innovation.com>
 124
 125         * c-parser.c (c_parser_objc_class_definition): Recognize
 126         Objective-C 2.0 class extensions.
 127
 128 2010-12-10  Iain Sandoe <iains@gcc.gnu.org>
 129
 130         * config/darwin.c: Remove c-tree.h and c-lang.h
 131         * config/t-darwin: Remove dependencies on c-tree.h and c-lang.h.
 132
 133 2010-12-10  Joern Rennecke  <amylaar@spamcop.net>
 134
 135         PR target/46881
 136         * doc/tm.texi: Regenerate.
 137         * target.def: Fix "preferred" spelling.  Refer to rclass by its
 138         exact name.
 139         * config/arm/arm.c (arm_preferred_rename_class): Rename parameter class
 140         to rclass.
 141
 142 2010-12-09  Paul Koning  <ni1d@arrl.net>
 143
 144         * config/pdp11/pdp11-protos.h (output_move_double,
 145         output_move_quad): Delete.
 146         (output_move_multiple, pdp11_expand_operands): New functions.
 147         (pdp11_action, pdp11_partorder): New enums.
 148         * config/pdp11/pdp11.md (movdi, movsi, movdf, movsf): Use
 149         output_move_multiple.
 150         (adddi3, subdi3, negdi2): New patterns.
 151         (addsi3, subsi3, negsi2): Use pdp11_expand_operands.
 152         (abshi2): Delete.
 153         (neghi2, negqi2): Use PDPint iterator.
 154         * config/pdp11/pdp11.c (find_addr_reg, output_move_double,
 155         output_move_quad): Delete.
 156         (pdp11_expand_operands, output_move_multiple): New functions.
 157
 158 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 159
 160         * config/vax/linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
 161         * config.gcc (vax-*-linux*): Don't use svr4.h.
 162
 163 2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>
 164
 165         * c-typeck.c (build_indirect_ref): Call invalid_indirection_error.
 166
 167 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 168
 169         * doc/extend.texi (Attribute Syntax): Correct description of
 170         attributes in pointer declarators.
 171
 172 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 173
 174         * config/mips/vxworks.h (DBX_REGISTER_NUMBER): Undefine.
 175         * config.gcc (mips64*-*-linux* | mipsisa64*-*-linux*,
 176         mips*-*-linux*, mips-wrs-vxworks): Don't use svr4.h.
 177
 178 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 179
 180         * config/mep/mep.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
 181         WCHAR_TYPE_SIZE): Define.
 182         * config.gcc (mep-*-*): Don't use svr4.h.
 183
 184 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 185
 186         * config/mcore/mcore.h (PTRDIFF_TYPE, WCHAR_TYPE,
 187         WCHAR_TYPE_SIZE): Define.
 188         * config/svr3.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
 189         WCHAR_TYPE_SIZE): Don't define.
 190         * config.gcc (mcore-*-elf): Don't use svr4.h.
 191
 192 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 193
 194         * config.gcc (m32r-*-elf*, m32rle-*-elf*, m32r-*-rtems*,
 195         m32r-*-linux*, m32rle-*-linux*): Don't use svr4.h.
 196
 197 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 198
 199         * config/iq2000/iq2000.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
 200         WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
 201         * config.gcc (iq2000*-*-elf*): Don't use svr4.h.
 202
 203 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 204
 205         * config.gcc (ia64*-*-linux*, ia64*-*-hpux*): Don't use svr4.h.
 206
 207 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 208
 209         * config/pa/pa32-linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
 210         * config.gcc (hppa*64*-*-linux*, hppa*-*-linux*): Don't use
 211         svr4.h.
 212
 213 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 214
 215         * config/moxie/moxie.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
 216         WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
 217         * config/moxie/rtems.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
 218         WCHAR_TYPE, WCHAR_TYPE_SIZE): Undefine.
 219         * config.gcc (moxie-*-elf, moxie-*-uclinux*): Don't use svr4.h.
 220
 221 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 222
 223         * config/frv/frv.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
 224         WCHAR_TYPE_SIZE): Define.
 225         * config.gcc (frv-*-elf, frv-*-*linux*): Don't use svr4.h.
 226
 227 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 228
 229         * config/fr30/fr30.h (LIB_SPEC, LINK_SPEC, SIZE_TYPE,
 230         PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
 231         * config.gcc (fr30-*-elf): Don't use svr4.h.
 232
 233 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 234
 235         * config/cris/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
 236         * config.gcc (crisv32-*-linux* | cris-*-linux*): Don't use svr4.h.
 237
 238 2010-12-09  Richard Guenther  <rguenther@suse.de>
 239
 240         PR middle-end/46844
 241         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
 242         addresses.
 243
 244 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 245
 246         * config/i386/netware.h (TARGET_POSIX_IO): Define.
 247         * config/i386/nto.h (TARGET_POSIX_IO): Define.
 248         * config/ia64/hpux.h (TARGET_POSIX_IO): Define.
 249         * config/moxie/moxie.h (TARGET_POSIX_IO): Don't undefine.
 250         * config/openbsd.h (TARGET_POSIX_IO): Define.
 251         * config/rtems.h (TARGET_POSIX_IO): Define.
 252         * config/sh/embed-elf.h (TARGET_POSIX_IO): Don't undefine.
 253         * config/sol2.h (TARGET_POSIX_IO): Define.
 254         * config/svr4.h (TARGET_POSIX_IO): Don't define.
 255         * config/vxworksae.h (TARGET_POSIX_IO): Define.
 256
 257 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 258
 259         * config/i386/nto.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
 260         * config/ia64/hpux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 261         Define.
 262         * config/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
 263         undefine.
 264         * config/mips/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
 265         undefine.
 266         * config/mips/netbsd.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 267         Don't undefine.
 268         * config/rs6000/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 269         Don't undefine.
 270         * config/rs6000/linux64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 271         Don't undefine.
 272         * config/sol2.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
 273         * config/sparc/netbsd-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 274         Don't undefine.
 275         * config/sparc/openbsd64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 276         Don't undefine.
 277         * config/sparc/sp64-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 278         Don't undefine.
 279         * config/svr4.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
 280         define.
 281         * config/xtensa/elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
 282         undefine.
 283
 284 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 285
 286         * config/ia64/hpux.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
 287         non-GNU assembler.
 288         * config/m68k/netbsd-elf.h (AS_NEEDS_DASH_FOR_PIPED_INPUT):
 289         Remove.
 290         * config/m68k/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
 291         * config/mips/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
 292         * config/sol2.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
 293         non-GNU assembler.
 294         * config/sparc/sparc.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
 295         * config/svr4.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
 296
 297 2010-12-09  Martin Jambor  <mjambor@suse.cz>
 298
 299         * ipa-prop.c (compute_complex_ancestor_jump_func): Work also if the
 300         zero is the first phi parameter.
 301
 302 2010-12-09  Martin Jambor  <mjambor@suse.cz>
 303
 304         * ipa-prop.h (struct ipa_parm_adjustment): New field alias_ptr_type.
 305         * ipa-prop.c (ipa_modify_call_arguments): Use it.
 306         * tree-sra.c (splice_param_accesses): Test that all accesses have the
 307         same alias reference type.
 308         (turn_representatives_into_adjustments): Set alias_ptr_type of the
 309         adjustment.
 310
 311 2010-12-09  Martin Jambor  <mjambor@suse.cz>
 312
 313         PR middle-end/46734
 314         * tree-sra.c (splice_param_accesses): Check that there are not
 315         multiple ADDRESSABLE types.
 316
 317 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 318
 319         * config/arc/arc.h (ASM_SPEC): Remove %{v}.
 320         * config/bfin/bfin.h (ASM_SPEC): Remove %{v}.
 321         * config/cris/cris.h (ASM_SPEC): Remove %{v:-v}.
 322         * config/fr30/fr30.h (ASM_SPEC): Remove %{v}.
 323         * config/frv/frv.h (ASM_SPEC): Remove %{v}.
 324         * config/i386/linux.h (ASM_SPEC): Remove %{v}.
 325         * config/i386/linux64.h (ASM_SPEC): Remove %{v}.
 326         * config/i386/mingw-w64.h (ASM_SPEC): Remove %{v}.
 327         * config/i386/sol2-10.h (ASM_SPEC): Remove %{v}.
 328         * config/i386/vxworks.h (ASM_SPEC): Remove %{v}.
 329         * config/i386/x86-64.h (ASM_SPEC): Remove %{v}.
 330         * config/lm32/lm32.h (ASM_SPEC): Remove %{v}.
 331         * config/m32r/m32r.h (ASM_SPEC): Remove %{v}.
 332         * config/m68k/linux.h (ASM_SPEC): Remove %{v:-V}.
 333         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{v}.
 334         * config/mips/mips.h (ASM_SPEC): Remove %{v}.
 335         * config/mips/vxworks.h (ASM_SPEC): Remove %{v}.
 336         * config/pa/pa-linux.h (ASM_SPEC): Remove %{v:-V}.
 337         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Remove %{v}.
 338         * config/rs6000/linux64.h (ASM_SPEC): Remove %{v:-V}.
 339         * config/rs6000/vxworks.h (ASM_SPEC): Remove %{v:-v}.
 340         * config/sparc/openbsd64.h (ASM_SPEC): Remove %{v:-V}.
 341         * config/svr4.h (SVR4_ASM_SPEC): Remove %{v:-V}.
 342         * config/xtensa/elf.h (ASM_SPEC): Remove %{v}.
 343         * config/xtensa/linux.h (ASM_SPEC): Remove %{v}.
 344
 345 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 346
 347         * config/i386/openbsdelf.h (LINK_SPEC): Use %{r:} not %{r*:}.
 348         * config/mips/openbsd.h (LINK_SPEC): Use %{r:} not %{r*:}.
 349         * config/netbsd-aout.h (NETBSD_LINK_SPEC_AOUT): Use %{r:} not
 350         %{r*:}.
 351         * config/netbsd-elf.h (NETBSD_LINK_SPEC_ELF): Use %{r:} not
 352         %{r*:}.
 353         * config/sparc/openbsd64.h (LINK_SPEC): Use %{r:} not %{r*:}.
 354         * config/vax/netbsd-elf.h (LINK_SPEC): Use %{r:} not %{r*:}.
 355
 356 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 357
 358         * config/alpha/freebsd.h (LINK_SPEC): Don't use
 359         %{!dynamic-linker:}.
 360         * config/alpha/linux-elf.h (LINK_SPEC): Likewise.
 361         * config/arm/freebsd.h (LINK_SPEC): Likewise.
 362         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Likewise.
 363         * config/bfin/linux.h (LINK_SPEC): Likewise.
 364         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Likewise.
 365         * config/frv/linux.h (LINK_SPEC): Likewise.
 366         * config/i386/freebsd.h (LINK_SPEC): Likewise.
 367         * config/i386/freebsd64.h (LINK_SPEC): Likewise.
 368         * config/i386/linux.h (LINK_SPEC): Likewise.
 369         * config/i386/linux64.h (LINK_SPEC): Likewise.
 370         * config/i386/openbsdelf.h (LINK_SPEC): Likewise.
 371         * config/ia64/freebsd.h (LINK_SPEC): Likewise.
 372         * config/ia64/linux.h (LINK_SPEC): Likewise.
 373         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
 374         * config/m32r/linux.h (LINK_SPEC): Likewise.
 375         * config/m68k/linux.h (LINK_SPEC): Likewise.
 376         * config/microblaze/linux.h (LINK_SPEC): Likewise.
 377         * config/mips/linux.h (LINK_SPEC): Likewise.
 378         * config/mips/linux64.h (LINK_SPEC): Likewise.
 379         * config/mips/openbsd.h (LINK_SPEC): Likewise.
 380         * config/mn10300/linux.h (LINK_SPEC): Likewise.
 381         * config/netbsd-elf.h (LINK_SPEC): Likewise.
 382         * config/pa/pa-linux.h (LINK_SPEC): Likewise.
 383         * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC32,
 384         LINK_OS_LINUX_SPEC64): Likewise.
 385         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC,
 386         LINK_OS_LINUX_SPEC, LINK_OS_GNU_SPEC, LINK_OS_NETBSD_SPEC):
 387         Likewise.
 388         * config/s390/linux.h (LINK_SPEC): Likewise.
 389         * config/sh/linux.h (SUBTARGET_LINK_SPEC): Likewise.
 390         * config/sparc/freebsd.h (LINK_SPEC): Likewise.
 391         * config/sparc/linux.h (LINK_SPEC): Likewise.
 392         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
 393         LINK_SPEC): Likewise.
 394         * config/sparc/openbsd64.h (LINK_SPEC): Likewise.
 395         * config/vax/linux.h (LINK_SPEC): Likewise.
 396         * config/xtensa/linux.h (LINK_SPEC): Likewise.
 397
 398 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
 399
 400         * config/bfin/bfin.h (ASM_SPEC): Remove %{n} and %{T}.
 401         * config/frv/frv.h (ASM_SPEC): Likewise.
 402         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
 403         * config/i386/sol2.h (ASM_SPEC): Likewise.
 404         * config/m68k/linux.h (ASM_SPEC): Likewise.
 405         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
 406         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
 407         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
 408         * config/sol2.h (ASM_SPEC): Likewise.
 409         * config/sparc/linux.h (ASM_SPEC): Likewise.
 410         * config/sparc/linux64.h (ASM_SPEC): Likewise.
 411         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
 412         * config/sparc/sysv4.h (ASM_SPEC): Likewise.
 413         * config/svr4.h (SVR4_ASM_SPEC): Likewise.
 414
 415 2010-12-09  Richard Guenther  <rguenther@suse.de>
 416
 417         * reginfo.c (struct subregs_of_mode_node): Remove.
 418         (subregs_of_mode): Likewise.
 419         (som_hash): Likewise.
 420         (som_eq): Likewise.
 421         (invalid_mode_changes): New bitmap.
 422         (record_subregs_of_mode): Get subregs_of_mode argument.
 423         Fill in invalid_mode_changes bitmap.
 424         (find_subregs_of_mode): Get subregs_of_mode argument and pass
 425         it through.
 426         (init_subregs_of_mode): Adjust.
 427         (finish_subregs_of_mode): Likewise.
 428         (invalid_mode_change_p): Query invalid_mode_changes bitmap.
 429
 430 2010-12-09  Richard Guenther  <rguenther@suse.de>
 431
 432         * ira.c (ira): Do not call finish_subregs_of_mode.
 433         * ira-costs.c (finish_costs): Call finish_subregs_of_mode.
 434
 435 2010-12-09  Richard Guenther  <rguenther@suse.de>
 436
 437         * rtl.h (invalid_mode_change_p): Adjust prototype.
 438         * reginfo.c (invalid_mode_change_p): Remove from argument.
 439         * ira-costs.c (print_allocno_costs): Adjust callers.
 440         (find_costs_and_classes): Likewise.
 441
 442 2010-12-09  Jakub Jelinek  <jakub@redhat.com>
 443
 444         * config/s390/s390.md (*mov<mode>cc): Change lgoc and stgoc to
 445         locg and stocg even in comment.
 446         (sync_old_<atomic><mode>): Give mode to UNSPEC_VOLATILE.
 447
 448         PR target/41082
 449         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Use stvx
 450         instead of stve*x.
 451         (altivec_expand_stv_builtin): For op0 use mode of operand 1 instead
 452         of operand 0.
 453         * config/rs6000/altivec.md (VI_scalar): New mode attr.
 454         (altivec_stve<VI_char>x, *altivec_stvesfx): Use scalar instead of
 455         vector mode for operand 0, put operand 1 into UNSPEC.
 456
 457 2010-12-09  Yao Qi  <yao@codesourcery.com>
 458
 459         * config/arm/arm.c (arm_preferred_rename_class): Implement targethook
 460         PREFERRED_RENAME_CLASS.
 461
 462 2010-12-08  Ian Lance Taylor  <iant@google.com>
 463
 464         * doc/sourcebuild.texi (Front End): Remove reference to
 465         snapshot-README and snapshot-index.html.
 466
 467 2010-12-08  Ian Lance Taylor  <iant@google.com>
 468
 469         * doc/sourcebuild.texi (Texinfo Manuals): Change update_web_docs
 470         to update_web_docs_svn.
 471         (Front End): Likewise.
 472
 473 2010-12-08  Iain Sandoe <iains@gcc.gnu.org>
 474
 475         gcc/config.gcc (with_cpu): Default i[34567]86-*-darwin* and
 476         x86_64-*-darwin* to with_cpu:-core2.
 477         gcc/config/i386/mmx.md (*mov<mode>_internal_rex64): Replace movq
 478         with movd for darwin assembler.
 479         gcc/config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
 480         (*vec_concatv2di_rex64_sse): Ditto.
 481
 482 2010-12-08  Richard Guenther  <rguenther@suse.de>
 483             Sebastian Pop  <sebastian.pop@amd.com>
 484
 485         PR tree-optimization/45230
 486         PR tree-optimization/45231
 487         PR tree-optimization/45370
 488         * sese.c (rename_uses): Returns a bool.  Call
 489         recompute_tree_invariant_for_addr_expr only on the RHS of a
 490         GIMPLE_ASSIGN.
 491         (graphite_copy_stmts_from_block): Call fold_stmt_inplace when
 492         rename_uses returns true.
 493         * tree-ssa-copy.c (replace_exp): Add a comment about calling
 494         fold_stmt_inplace after replace_exp.
 495
 496 2010-12-08  Mike Stump  <mikestump@comcast.net>
 497
 498         PR debug/46749
 499         * config/darwin.h (COLLECT_RUN_DSYMUTIL): Add.
 500         (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
 501         * config/darwin9.h (COLLECT_RUN_DSYMUTIL): Add.
 502         (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
 503         * collect2.c (post_ld_pass): Add.
 504         (process_args): Add.
 505         (maybe_run_lto_and_relink): Call post_ld_pass after ld.
 506         (main): Likewise.  Call process_args.
 507
 508 2010-12-08  Jakub Jelinek  <jakub@redhat.com>
 509
 510         PR middle-end/46844
 511         * regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
 512         parameter.
 513
 514 2010-12-08  Richard Earnshaw  <rearnsha@arm.com>
 515
 516         PR target/46631
 517         * arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
 518         into a 16-bit instruction.
 519
 520 2010-12-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
 521
 522         PR middle-end/42694
 523         * builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
 524         where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
 525         instruction, but do optimize if y is 0.5 or 1./3. since that
 526         changes an expensive call into a cheaper one.
 527
 528 2010-12-08  Richard Guenther  <rguenther@suse.de>
 529
 530         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
 531         instead of a division to divide by BITS_PER_UNIT.
 532
 533 2010-12-08  Richard Guenther  <rguenther@suse.de>
 534
 535         * gimplify.c (gimple_tree_eq): Assert hashes are equal only
 536         when checking is enabled.
 537
 538 2010-12-07  Andrey Belevantsev  <abel@ispras.ru>
 539
 540         PR target/43603
 541         * haifa-sched.c (sched_create_recovery_edges): Update
 542         dominator info.
 543         * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
 544         after deleting an empty block.
 545         (tidy_control_flow): Also verify dominators.
 546         (sel_remove_bb): Update dominator info after removing a block.
 547         (sel_redirect_edge_and_branch_force): Assert that no unreachable
 548         blocks will be created. Update dominator info.
 549         (sel_redirect_edge_and_branch): Update dominator info when
 550         basic blocks do not become unreachable.
 551         (sel_remove_loop_preheader): Update dominator info.
 552
 553 2010-12-07  Richard Guenther  <rguenther@suse.de>
 554
 555         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
 556         Reset alignment information.
 557         (bump_vector_ptr): Likewise.
 558
 559 2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 560
 561         PR middle-end/46671
 562         PR target/46685
 563         * config/pa/pa.c (pa_function_section): New function.
 564         (TARGET_ASM_FUNCTION_SECTION): Define.
 565
 566 2010-12-07  Ian Lance Taylor  <iant@google.com>
 567             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 568
 569         PR bootstrap/46810
 570         * configure.ac: Disable AC_MSG_ERROR while looking for the C++
 571         preprocessor.
 572         * configure: Rebuild.
 573
 574 2010-12-07  Paul Koning  <ni1d@arrl.net>
 575
 576         * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
 577         values with sign rather than as unsigned.
 578
 579 2010-12-07  Paul Koning  <ni1d@arrl.net>
 580
 581         * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
 582         (pdp11_function_section): New function.
 583
 584 2010-12-07  Joseph Myers  <joseph@codesourcery.com>
 585
 586         * config/mcore/mcore.c Don't include assert.h.
 587         (layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
 588         * config/spu/spu.c: Don't include assert.h.
 589         (spu_sms_res_mii): Use gcc_assert.
 590
 591 2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>
 592
 593         PR tree-optimization/42327
 594         * tree-data-ref.c (omega_setup_subscript): Call build_int_cst
 595         instead of using integer_minus_one_node.
 596
 597 2010-12-07  Nathan Froyd  <froydnj@codesourcery.com>
 598
 599         PR c++/45330
 600         * params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
 601         * doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.
 602
 603 2010-12-07  Richard Guenther  <rguenther@suse.de>
 604
 605         PR tree-optimization/46832
 606         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
 607         that the call has a lhs.
 608
 609 2010-12-07  Yao Qi  <yao@codesourcery.com>
 610
 611         * Makefile.in: Add $(TARGET_H) to the regrename.o rule.
 612         * regrename.c (struct du_head): Add new element length.
 613         (sort_du_head, get_element, merge, merge_sort_comparison):
 614         New functions of merge sort implementation to du_head list.
 615         (regrename_optimize): Sort du_head linked list by length.
 616         Iterate registers in a preferred-register-first order.
 617         Move some code to ...
 618         (check_new_reg_p): here.  New function.
 619         (create_new_chain):  Initialize length.
 620         (scan_rtx_reg): Increase length for non-debug insns.
 621         * target.def: New hook preferred_rename_class.
 622         * targhook.c (default_preferred_rename_class): New.
 623         * targhook.h: Declare it.
 624         * doc/tm.texi.in: New hook TARGET_PREFERRED_RENAME_CLASS.
 625         * doc/tm.texi: Regenerate.
 626
 627 2010-12-07  Jakub Jelinek  <jakub@redhat.com>
 628
 629         PR debug/46799
 630         * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
 631         instead of BUILTINS_LOCATION.
 632         (create_loop_fn): Add LOC argument, pass it to build_decl instead of
 633         BUILTINS_LOCATION.
 634         (create_parallel_loop): Add LOC argument, use it for OMP clauses
 635         and GIMPLE_*OMP* statements.
 636         (gen_parallel_loop): Determine locus for the parallel loop, pass it
 637         to create_loop_fn and create_parallel_loop.
 638         * cfgexpand.c (gimple_expand_cfg): For builtin functions, call
 639         set_curr_insn_source_location (UNKNOWN_LOCATION).
 640
 641 2010-12-07  Joern Rennecke  <amylaar@spamcop.net>
 642             Richard Guenther  <rguenther@suse.de>
 643
 644         PR target/46737
 645         * config/bfin/bfin.c (BB_AUX_INDEX): Cast to intptr_t.
 646         (bfin_reorder_loops): Change type of index to intptr_t.
 647
 648 2010-12-07  Richard Guenther  <rguenther@suse.de>
 649
 650         PR tree-optimization/46726
 651         * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).
 652
 653 2010-12-07  Richard Guenther  <rguenther@suse.de>
 654
 655         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
 656         virtual operands.
 657
 658 2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>
 659
 660         * c-parser.c (c_parser_typeof_specifier): Removed special
 661         treatment of objc_volatilized attribute for Objective-C.
 662
 663 2010-12-06  Vladimir Makarov  <vmakarov@redhat.com>
 664
 665         * ira.c (update_equiv_regs): Prohibit move insns if
 666         pressure-sensitive scheduling was done.
 667
 668 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
 669
 670         * c-parser.c (c_parser_for_statement): Use c_fully_fold() instead
 671         of c_process_expr_stmt() for the iterating and collection
 672         expressions of an Objective-C fast enumeration loop.
 673
 674 2010-12-06  Jakub Jelinek  <jakub@redhat.com>
 675
 676         PR debug/45997
 677         * dwarf2out.c (modified_type_die): If both is_const_type and
 678         is_volatile_type is set, start with DW_TAG_const_type or
 679         DW_TAG_volatile_type depending on where we get qualified type
 680         in the recursive call.
 681
 682         PR target/43897
 683         * config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
 684         as a store into that register.
 685
 686         PR tree-optimization/46528
 687         PR debug/46338
 688         * profile.c (branch_prob): Make sure last is never set to a debug
 689         stmt.
 690
 691         PR debug/46771
 692         * reginfo.c (init_subregs_of_mode): Don't call find_subregs_of_mode
 693         on DEBUG_INSNs.
 694
 695         PR rtl-optimization/46777
 696         * cfglayout.c (duplicate_insn_chain): Avoid duplicating
 697         also barrier after tablejump.
 698
 699 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
 700             Richard Henderson  <rth@redhat.com>
 701
 702         PR target/46740
 703         * config/vax/vax.c (vax_output_int_move): Fold #if into if.
 704
 705 2010-12-06  Eric Botcazou  <ebotcazou@adacore.com>
 706
 707         * config/sparc/sol2.h (PUSHSECTION_FORMAT): Redefine unconditionally.
 708         * config/sparc/sol2-gas.h (PUSHSECTION_FORMAT): Redefine.
 709
 710 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
 711
 712         PR target/46735
 713         * config/frv/predicates.md (gpr_or_int12_operand): Use IN_RANGE.
 714         (gpr_fpr_or_int12_operand, gpr_or_int10_operand): Likewise.
 715         (int12_operand, int_2word_operand, uint16_operand): Likewise.
 716         (fpr_or_int6_operand, int6_operand, int5_operand): Likewise.
 717         (uint5_operand, uint4_operand): Likewise.
 718         * config/frv/frv.h (IN_RANGE_P): Delete.
 719         (GPR_P, FPR_P, CC_P, ICC_P, FCC_P, CR_P, ICR_P, FCR_P): Use IN_RANGE.
 720         (ACC_P, ACCG_P, SPR_P, CONST_OK_FOR_I, CONST_OK_FOR_J): Likewise.
 721         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
 722         (CONST_OK_FOR_P): Likewise.
 723         * config/frv/frv.md (*movqicc_internal2_int): Likewise.
 724         (*movqicc_internal2_float, *movhicc_internal2_int): Likewise.
 725         (*movhicc_internal2_float, *movsicc_internal2_int): Likewise.
 726         (*movsicc_internal2_float, casesi): Likewise.
 727         * config/frv/frv.c (frv_frame_offset_rtx): Likewise.
 728         (frv_asm_output_mi_thunk, frv_legitimate_address_p_1): Likewise.
 729         (frv_emit_movsi, output_move_single, frv_emit_cond_move): Likewise.
 730         (frv_split_cond_move, frv_rtx_costs): Likewise.
 731
 732         PR target/46739
 733         * config/mmix/mmix.c (mmix_intval): Split shift count.
 734
 735 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
 736
 737         * config/i386/i386.c (m_COREI7): New.
 738         (initial_ix86_tune_features): Turn on
 739         X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
 740         X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.
 741
 742 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
 743
 744         * config.gcc: Allow corei7-avx for --with-arch/--with-cpu.
 745
 746         * config/i386/driver-i386.c (host_detect_local_cpu): Support
 747         Sandy Bridge.
 748
 749         * config/i386/i386.c (override_options): Handle "corei7-avx".
 750
 751         * doc/invoke.texi: Document corei7-avx.
 752
 753 2010-12-06  Richard Guenther  <rguenther@suse.de>
 754
 755         PR tree-optimization/46806
 756         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
 757         coalesce different types.
 758
 759 2010-12-06  Richard Guenther  <rguenther@suse.de>
 760
 761         PR tree-optimization/46785
 762         * tree-vect-loop.c (vect_is_simple_reduction_1): Also allow
 763         call statements as operand definition.
 764
 765 2010-12-06  Mingjie Xing  <mingjie.xing@gmail.com>
 766
 767         * doc/tm.texi.in: Fix typo.
 768         * doc/tm.texi: Regenerate.
 769
 770 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 771
 772         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]: Fix typo in
 773         last change.
 774
 775 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
 776
 777         * c-family/c-common.h: Removed the declarations of all the objc_
 778         callbacks, and moved them into c-objc.h.  Removed
 779         objc_ivar_visibility_kind and moved it into c-objc.h.
 780         * c-family/c-objc.h: New file.
 781         * c-family/c-common.c: Include c-objc.h.
 782         * c-family/c-format.c: Same change.
 783         * c-family/stub-objc.c: Same change.
 784         * c-decl.c: Include c-family/c-objc.h.
 785         * c-parser.c: Same change.
 786         * c-typeck.c: Same change.
 787         * c-config-lang.in (gtfiles): Added c-family/c-objc.h.
 788         * Makefile.in (c-decl.o): Depend on c-family/c-objc.h.
 789         (c-parser.o): same change.
 790         (c-typeck.o): Same change.
 791         (c-family/c-format.o): Same change.
 792         (c-family/stub-objc.o): Same change.
 793         (c-family/c-common.o): Same change.
 794         (PLUGIN_HEADERS): Added c-family/c-objc.h.
 795
 796 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 797
 798         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]:  Ignore
 799         --with-dwarf2 option.
 800
 801 2010-12-03  Jan Hubicka  <jh@suse.cz>
 802
 803         * lto-streamer-in.c (input_cfg): Fix pasto.
 804
 805 2010-12-03  Jan Hubicka  <jh@suse.cz>
 806
 807         * ipa.c (cgraph_externally_visible_p): Do not localize builtins
 808         and functions with user asm defined names.
 809         (varpool_externally_visible_p): Do not localize vars with user
 810         asm defined names.
 811
 812 2010-12-03  Jan Hubicka  <jh@suse.cz>
 813
 814         * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_ASSEMBLER_NAME
 815         to prevent mangling with lto frontend.
 816
 817 2010-12-03  Jan Hubicka  <jh@suse.cz>
 818
 819         * Makefile.in (LTO_STREAMER_H): Add GCOV_IO_H.
 820         * lto-cgraph.c (merge_profile_summaries): Fix thinko.
 821
 822 2010-12-03  Jan Hubicka  <jh@suse.cz>
 823
 824         PR tree-optimization/46760
 825         * cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
 826         * cgraph.h (struct cgraph_node): Add count_materialization_scale.
 827         * lto-cgraph.c (lto_output_edge): Fix assert.
 828         (lto_output_node): Output count_materialization_scale.
 829         (output_profile_summary): Output only runs and sum_max.
 830         (input_node): Input count_materialization_scale.
 831         (input_profile_summary): Read data into file specific gcov summary.
 832         (merge_profile_summaries): New function.
 833         (input_cgraph): Update call of input_profile_summary;
 834         call merge_profile_summaries.
 835         * lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
 836         rescale counts at read in.
 837         (intput_bb): Likewise.
 838         (input_function): Update call of input_bb.
 839         (lto_read_body): Update call of input_cfg.
 840         * lto-streamer.h: Inlclude gcov-io.h
 841         (lto_file_decl_data): Add gcov_ctr_summary.
 842
 843 2010-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
 844
 845         * doc/tm.texi.in (Cond. Exec. Macros): Rename node from this ...
 846         (Cond Exec Macros): ... to this.
 847         * doc/tm.texi: Regenerate.
 848
 849 2010-12-03  Jason Merrill  <jason@redhat.com>
 850
 851         PR debug/46123
 852         * dwarf2out.c (gen_tagged_type_die): Don't put local types in
 853         a declaration DIE.
 854
 855 2010-12-03  Nathan Froyd  <froydnj@codesourcery.com>
 856
 857         * config/arm/arm.c (arm_legitimate_index_p): Split
 858         VALID_NEON_QREG_MODE and VALID_NEON_DREG_MODE cases.  Permit
 859         slightly larger constants in the latter case.
 860         (thumb2_legitimate_index_p): Likewise.
 861
 862 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
 863
 864         * common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
 865         * gcc.c (cc1_options): Add %{Qy:}.
 866
 867 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
 868
 869         * gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
 870         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
 871         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.
 872
 873 2010-12-03  Alexander Monakov  <amonakov@ispras.ru>
 874
 875         PR rtl-optimization/45354
 876         * sel-sched-ir.c (jump_leads_only_to_bb_p): Rename to ...
 877         (bb_has_removable_jump_to_p): This.  Update all callers. Make static.
 878         Allow BBs ending with a conditional jump.  Forbid EDGE_CROSSING jumps.
 879         * sel-sched-ir.h (jump_leads_only_to_bb_p): Delete prototype.
 880
 881 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 882
 883         * basic-block.h (struct edge_prediction): Remove forward
 884         declaration.
 885         * tree-flow.h (struct edge_prediction): Move from here...
 886         * predict.c (struct edge_prediction): ...to here.
 887         * cselib.h (struct elt_list): Move from here...
 888         * cselib.c (struct elt_list): ...to here.
 889
 890 2010-12-02  Ian Lance Taylor  <iant@google.com>
 891
 892         * gcc.c (default_compilers): Add entry for ".go".
 893         * common.opt: Add -static-libgo as a driver option.
 894         * doc/install.texi (Configuration): Mention libgo as an option for
 895         --enable-shared.  Mention go as an option for --enable-languages.
 896         * doc/invoke.texi (Overall Options): Mention .go as a file name
 897         suffix.  Mention go as a -x option.
 898         * doc/frontends.texi (G++ and GCC): Mention Go as a supported
 899         language.
 900         * doc/sourcebuild.texi (Top Level): Mention libgo.
 901         * doc/standards.texi (Standards): Add section on Go language.
 902         Move references for other languages into their own section.
 903         * doc/contrib.texi (Contributors): Mention that I contributed the
 904         Go frontend.
 905
 906 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 907
 908         * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.
 909         (const_call_expr_arg_iterator_d): Likewise.
 910         (expanded_location): Likewise.
 911         * c-tree.h (struct c_arg_tag_d): Likewise.
 912         * dwarf2out.c (struct cfa_loc): Likewise.
 913         (struct skeleton_chain_struct): Likewise.
 914         * except.c (struct ttypes_filter): Likewise.
 915         * cselib.h (struct cselib_val_struct): Likewise.
 916         (elt_loc_list): Likewise.
 917         (elt_list): Likewise.
 918         * varasm.c (struct addr_const): Likewise.
 919         * tree-flow.h (struct edge_prediction): Likewise.
 920         (struct int_tree_map): Likewise.
 921         (struct _edge_var_map): Likewise.
 922
 923 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
 924
 925         PR target/46768
 926         * config/i386/i386.c (initial_ix86_tune_features): Turn on
 927         X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.
 928
 929 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
 930
 931         * config.gcc: Allow corei7 for --with-arch=/--with-cpu=.
 932
 933 2010-12-02  Ian Lance Taylor  <iant@google.com>
 934
 935         * configure.ac: AC_DEFINE ENABLE_BUILD_WITH_CXX.  Check for C++
 936         header files unordered_map, tr1/unordered_map, and ext/hash_map.
 937         * configure, config.in: Rebuild.
 938
 939 2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>
 940
 941         PR target/46685
 942         * config/sparc/sparc.c (can_use_mov_pic_label_ref): New predicate.
 943         (sparc_expand_move): Call it to decide whether to emit the special
 944         mov{si,di}_pic_label_ref patterns.
 945         (sparc_legitimize_pic_address): Call it to decide whether to emit
 946         the regular PIC sequence for labels.  Fix long line.
 947         (sparc_file_end): Set is_thunk for the PIC helper.
 948
 949 2010-12-02  Eric Botcazou  <ebotcazou@adacore.com>
 950
 951         * tree.c (build_range_type_1): Do not SET_TYPE_STRUCTURAL_EQUALITY
 952         for a non-shared type.
 953
 954 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
 955
 956         PR middle-end/45297
 957         * tree-scalar-evolution.c (interpret_rhs_expr): Handle ADDR_EXPR
 958         with MEM_REFs as POINTER_PLUS_EXPR.
 959
 960 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
 961
 962         * config/i386/linux.h, config/m32r/linux.h, config/m68k/linux.h,
 963         config/sparc/linux.h, config/sparc/linux64.h: Remove comments
 964         mentioning /lib/elf.
 965
 966 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
 967
 968         * config/bfin/bfin.h (LINK_SPEC): Remove %{b}.
 969         * config/frv/frv.h (LINK_SPEC): Remove %{b}.
 970         * config/i386/netware.h (LINK_SPEC): Remove %{b}.
 971         * config/i386/nto.h (LINK_SPEC): Remove %{b}.
 972         * config/lm32/uclinux-elf.h (LINK_SPEC): Remove %{b}.
 973         * config/sol2.h (LINK_SPEC): Remove %{b}.
 974         * config/svr4.h (LINK_SPEC): Remove %{b}.
 975
 976 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
 977
 978         * config/i386/freebsd.h (LINK_SPEC): Cut long comment.
 979         * config/i386/linux.h (LINK_SPEC): Cut long comment.
 980         * config/i386/netware.h (LINK_SPEC): Remove %{V}.
 981         * config/m32r/linux.h (LINK_SPEC): Cut long comment.
 982         * config/m68k/linux.h (LINK_SPEC): Cut long comment.
 983         * config/sparc/linux.h (LINK_SPEC): Cut long comment.
 984         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
 985         * config/sparc/linux64.h (LINK_SPEC): Cut long comment.
 986         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
 987         * config/sparc/netbsd-elf.h (ASM_SPEC): Remove %{V} and
 988         %{v:%{!V:-V}}.
 989
 990 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
 991
 992         * gcc.c (trad_capable_cpp, default_compilers): Don't handle
 993         -ftraditional.
 994
 995 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
 996
 997         * config/alpha/freebsd.h (LINK_SPEC): Don't handle -Wl,.
 998         * config/bfin/bfin.h (ASM_SPEC): Don't handle -Wa,.
 999         * config/frv/frv.h (ASM_SPEC): Don't handle -Wa,.
1000         * config/lm32/uclinux-elf.h (LINK_SPEC): Don't handle -Wl,.
1001         * config/microblaze/microblaze.h (LINK_SPEC): Don't handle -Wl,.
1002         * config/mn10300/linux.h (ASM_SPEC): Don't handle -Wa,.
1003         * config/pa/pa-linux.h (ASM_SPEC): Don't handle -Wa,.
1004         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Don't handle -Wa,.
1005         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Don't handle -Wa,.
1006         * config/rs6000/sysv4.h (LINK_SPEC): Don't handle -Wl,.
1007         * config/rs6000/vxworks.h (ASM_SPEC): Don't handle -Wa,.
1008         * config/sol2.h (ASM_SPEC): Don't handle -Wa,.
1009         * config/sparc/linux.h (ASM_SPEC): Don't handle -Wa,.
1010         * config/sparc/linux64.h (ASM_SPEC): Don't handle -Wa,.
1011         * config/sparc/sp-elf.h (ASM_SPEC): Don't handle -Wa,.
1012         * config/sparc/sysv4.h (ASM_SPEC): Don't handle -Wa,.
1013         * config/svr4.h (SVR4_ASM_SPEC): Don't handle -Wa,.
1014         * config/vxworks.h (VXWORKS_LINK_SPEC): Don't handle -Wl,.
1015
1016 2010-12-02  Paul Koning  <ni1d@arrl.net>
1017
1018         * config/pdp11/pdp11.c (output_jump): Map unsigned to signed
1019         opcodes if CC_NO_OVERFLOW is set.
1020         (notice_update_cc_on_set): Correct setting of CC0 as a side
1021         effect; set CC_NO_OVERFLOW for cases where C flag is not
1022         meaningful.
1023
1024 2010-12-02  Ian Lance Taylor  <iant@google.com>
1025
1026         * doc/install.texi (Configuration): Update default for
1027         --with-boot-ldflags.
1028
1029 2010-12-02  Nathan Froyd  <froydnj@codesourcery.com>
1030
1031         PR c/45062
1032         * c-decl.c (grokparms): Set arg_info->parms to NULL_TREE when
1033         !funcdef_flag.
1034
1035 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
1036
1037         PR tree-optimization/45199
1038         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New.
1039         (stores_zero_from_loop): Call
1040         mem_write_stride_of_same_size_as_unit_type_p.
1041         * tree-data-ref.h (stride_of_unit_type_p): New.
1042         * tree-loop-distribution.c (generate_memset_zero): Simplified.
1043         Call stride_of_unit_type_p.
1044         (build_rdg_partition_for_component): Do not call
1045         rdg_flag_similar_memory_accesses when
1046         flag_tree_loop_distribute_patterns is set.
1047
1048 2010-12-02  Richard Guenther  <rguenther@suse.de>
1049
1050         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Disregard
1051         sign-changing conversions for induction detection.
1052
1053 2010-12-02  Richard Guenther  <rguenther@suse.de>
1054
1055         PR tree-optimization/46723
1056         * tree-vect-loop.c (get_initial_def_for_induction): Strip
1057         conversions from the induction evolution and apply it to
1058         the result instead.
1059         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Handle
1060         assigns for induction defs.
1061
1062 2010-12-02  Richard Guenther  <rguenther@suse.de>
1063
1064         * value-prof.c (gimple_ic): Use stmt_ends_bb_p to detect
1065         the case we need to split the edge and not the block.
1066
1067 2010-12-02  Bernd Schmidt  <bernds@codesourcery.com>
1068
1069         DFA model for Core 2 and Core i7 scheduling.
1070
1071         * config/i386/core2.md: New DFA model for Core 2 and Core i7.
1072         * config/i386/i386.c (ix86_option_override_internal): Update entries
1073         for Core 2 and Core i7.
1074         (ix86_issue_rate): Set issue rate to 3 [be realistic].
1075         * config/i386/i386.md: Include "core2.md".
1076         (define_attr cpu): Add "corei7".
1077
1078 2010-12-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
1079
1080         Define tuning for Core 2 and Core i7.
1081
1082         * config/i386/i386-c.c (ix86_target_macros_internal): Update.
1083         * config/i386/i386.c (core2_cost): Delete, use generic costs instead.
1084         (m_CORE2): Replace with m_CORE2_{32,64}.
1085         (m_CORE2I7{,_32,_64}): New macros.
1086         (m_GENERIC32, m_GENERIC64): Update.
1087         (initial_ix86_tune_features, x86_accumulate_outgoing_args,)
1088         (x86_arch_always_fancy_math_387): Set m_CORE2I7_32 iff m_GENERIC32 and
1089         set m_CORE2I7_64 iff m_GENERIC64.
1090         (processor_target_table): Use generic costs for Core 2 and Core i7.
1091         (ix86_option_override_internal): Update entries for Core 2 and Core i7.
1092         (ix86_issue_rate): Remove entry for Core 2.
1093         (ia32_multipass_dfa_lookahead, ix86_sched_init_global): Update.
1094         * config/i386/i386.h (TARGET_CORE2_32, TARGET_CORE2_64): New macros.
1095         (TARGET_CORE2): Update.
1096         (PROCESSOR_CORE2_32, PROCESSOR_CORE2_64): New constants.
1097         (PROCESSOR_CORE2): Remove.
1098
1099 2010-12-02  Richard Guenther  <rguenther@suse.de>
1100
1101         * lto-streamer.h (LTO_major_version): Bump to 2.
1102
1103 2010-12-02  Richard Guenther  <rguenther@suse.de>
1104
1105         PR lto/44871
1106         * gimple.c (canonical_type_hash_cache): New hashtable.
1107         (gimple_type_hash): Make a wrapper around ...
1108         (gimple_type_hash_1): ... this.  Take gtc_mode argument.
1109         (gimple_canonical_type_hash): Likewise.
1110         (gtc_visit): Take a gtc_mode argument.
1111         (gimple_types_compatible_p_1): Likewise. Do not compare struct
1112         tag names or field names when computing canonical types.
1113         (gimple_types_compatible_p): Adjust.
1114         (visit): Take a gtc_mode argument.
1115         (iterative_hash_gimple_type): Likewise.  Do not hash struct tag
1116         names or field names when computing hashes of canonical types.
1117         (gimple_register_canonical_type): Use gimple_canonical_type_hash
1118         for the hash.
1119         (print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
1120         (free_gimple_type_tables): Free canonical_type_hash_cache.
1121
1122 2010-12-02  Richard Guenther  <rguenther@suse.de>
1123             Ira Rosen  <irar@il.ibm.com>
1124
1125         PR tree-optimization/46663
1126         * tree-vect-patterns.c (vect_recog_pow_pattern): Check that
1127         FUNCTION_DECL exists and that it's a builtin.
1128
1129 2010-12-02  Jie Zhang  <jie@codesourcery.com>
1130
1131         PR middle-end/46674
1132         * varasm.c (compute_visible_aliases): Handle user set
1133         assembler name.
1134
1135 2010-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1136
1137         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
1138         thinko regarding setting -mno-<xxx> debug switches.
1139         (rs6000_rtx_costs): Add FMA.  Delete old rtl based FMA costs.
1140
1141 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1142
1143         * intl.c: Don't include tm.h.
1144         * Makefile.in (intl.o): Don't depend on $(TM_H).
1145
1146 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
1149         unused warning.
1150         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1151
1152 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1153
1154         * graphite-sese-to-poly.c (analyze_drs): Removed.
1155         (build_scop_drs): Do not call analyze_drs.
1156         (analyze_drs_in_stmts): New.
1157         (insert_stmts): New.
1158         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
1159         (insert_out_of_ssa_copy_on_edge): Same.
1160         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
1161         (rewrite_phi_out_of_ssa): Same.
1162         (rewrite_cross_bb_scalar_dependence): Same.
1163         (split_reduction_stmt): Move data references in the new basic blocks.
1164         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
1165
1166 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1167
1168         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
1169
1170 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1171
1172         PR middle-end/45297
1173         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
1174         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
1175         * graphite-poly.h (new_poly_bb): Update declaration.
1176         (gbb_from_bb): Moved here...
1177         (pbb_from_bb): New.
1178         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
1179         Removed.
1180         (graphite_stmt_p): Removed.
1181         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
1182         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
1183         new_poly_bb.
1184         (build_scop_bbs_1): Do not pass in sbitmap reductions.
1185         (build_scop_bbs): Same.
1186         (gbb_from_bb): ... from here.
1187         (add_conditions_to_constraints): Moved up.
1188         (analyze_drs): New.
1189         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
1190         not contain data references.
1191         (new_pbb_from_pbb): New.
1192         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
1193         block is split.
1194         (rewrite_close_phi_out_of_ssa): Update call to
1195         insert_out_of_ssa_copy_on_edge.
1196         (rewrite_reductions_out_of_ssa): Now static.
1197         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1198         (split_pbb): New.
1199         (split_reduction_stmt): Call split_pbb.
1200         (translate_scalar_reduction_to_array): Pass in the scop, do not
1201         pass in the sbitmap reductions.
1202         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1203         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
1204         (rewrite_commutative_reductions_out_of_ssa): Same.
1205         (build_poly_scop): Call build_scop_bbs,
1206         rewrite_commutative_reductions_out_of_ssa,
1207         rewrite_reductions_out_of_ssa, and
1208         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
1209         before scop_to_lst.
1210         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
1211         Removed declaration.
1212         (rewrite_reductions_out_of_ssa): Same.
1213         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1214         (build_scop_bbs): Same.
1215         * graphite.c (graphite_transform_loops): Do not initialize reductions.
1216         Do not call build_scop_bbs,
1217         rewrite_commutative_reductions_out_of_ssa,
1218         rewrite_reductions_out_of_ssa, and
1219         rewrite_cross_bb_scalar_deps_out_of_ssa.
1220         * sese.h (struct gimple_bb): Add field pbb.
1221         (GBB_PBB): New.
1222
1223 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
1226         New.
1227         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
1228         handle_scalar_deps_crossing_scop_limits.
1229         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
1230         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
1231
1232 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1233
1234         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
1235         when replacing a constant in an ADDR_EXPR.
1236
1237 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1238
1239         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
1240         for the stride.
1241         (lst_do_strip_mine): Same.
1242         (scop_do_strip_mine): Same.
1243         * graphite-poly.c (apply_poly_transforms): Update call to
1244         scop_do_strip_mine.
1245         * graphite-poly.h (scop_do_strip_mine): Update declaration.
1246
1247 2010-12-01  Jan Hubicka  <jh@suse.cz>
1248
1249         * tree.c (build_common_builtin_nodes): Do not initialize
1250         BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT.
1251         * builtins.c (expand_builtin_profile_func): Remove.
1252         (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and
1253         BUILT_IN_PROFILE_FUNC_EXIT.
1254         * builtins.def (profile_func_enter, profile_func_exit): Remove stubs.
1255         (__cyg_profile_func_enter, __cyg_profile_func_exit): New.
1256         * gimplify.c (gimplify_function_tree): Reorganize code calling
1257         profiling functions.
1258
1259 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1260
1261         * opts.c: Expand comment on tm.h include.
1262
1263 2010-12-01  Yao Qi  <yao@codesourcery.com>
1264
1265         * config/arm/predicates.md ("vfp_register_operand"): Return true for
1266         VFP_D0_D7_REGS classes.
1267
1268 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1269
1270         * common.opt (flag_stack_check): New Variable entry.
1271         (fcompare-debug-second): Use Var.
1272         * flags.h (flag_compare_debug, flag_stack_check): Remove.
1273         * opts.c (flag_compare_debug): Remove.
1274         (common_handle_option): Don't handle OPT_fcompare_debug_second.
1275         Set opts->x_flag_stack_check for OPT_fstack_check_.
1276         * toplev.c (flag_stack_check): Remove.
1277
1278 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1279
1280         * common.opt (main_input_filename, main_input_basename,
1281         main_input_baselength): New Variable entries.  From toplev.c.
1282         * final.c (output_quoted_string): Move from toplev.c.
1283         * output.h (output_quoted_string): Move from toplev.h.
1284         * opts-global.c (read_cmdline_options): Use gcc_options pointer to
1285         access main_input_filename, main_input_baselength and
1286         main_input_basename.
1287         * targhooks.c: Include intl.h and opts.h.
1288         (option_affects_pch_p, default_get_pch_validity): Move from
1289         toplev.c.
1290         * targhooks.h (option_affects_pch_p, default_get_pch_validity):
1291         Move from toplev.h.
1292         * toplev.c (main_input_filename, main_input_basename,
1293         main_input_baselength): Move to common.opt.
1294         (output_quoted_string): Move to final.c.
1295         (warn_deprecated_use): Move to tree.c.
1296         (option_affects_pch_p, default_get_pch_validity,
1297         pch_option_mismatch, default_pch_valid_p): Move to targhooks.c.
1298         * toplev.h (skip_leading_substring): Move to tree-dump.c.
1299         (warn_deprecated_use): Move to tree.h.
1300         (output_quoted_string): Move to output.h.
1301         (main_input_filename, main_input_basename, main_input_baselength):
1302         Move to common.opt.
1303         (default_get_pch_validity, default_pch_valid_p): Move to
1304         targhooks.c.
1305         * tree-dump.c (skip_leading_substring): Move from toplev.h.
1306         * tree.c (warn_deprecated_use): Move from toplev.c.
1307         * tree.h (warn_deprecated_use): Move from toplev.h.
1308         * c-typeck.c, config/alpha/alpha.c, config/arc/arc.c,
1309         config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
1310         config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.c,
1311         config/frv/frv.c, config/h8300/h8300.c, config/ia64/ia64.c,
1312         config/iq2000/iq2000.c, config/lm32/lm32.c, config/m32c/m32c.c,
1313         config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/m68k.c,
1314         config/mcore/mcore.c, config/mep/mep.c,
1315         config/microblaze/microblaze.c, config/mips/mips.c,
1316         config/mmix/mmix.c, config/mn10300/mn10300.c,
1317         config/moxie/moxie.c, config/pa/pa.c, config/pdp11/pdp11.c,
1318         config/picochip/picochip.c, config/s390/s390.c,
1319         config/score/score.c, config/sh/sh.c, config/sparc/sparc.c,
1320         config/spu/spu.c, config/stormy16/stormy16.c, config/v850/v850.c,
1321         config/vax/vax.c, config/xtensa/xtensa.c, gimple-low.c,
1322         graphite-sese-to-poly.c, plugin.c, tree-cfg.c, tree-inline.c,
1323         varasm.c, xcoffout.c: Don't include toplev.h.
1324         * Makefile.in (c-typeck.o, tree-inline.o, tree-cfg.o,
1325         gimple-low.o, graphite-sese-to-poly.o, targhooks.o, plugin.o,
1326         varasm.o, xcoffout.o): Update dependencies.
1327         * config/arm/t-arm (arm.o): Update dependencies.
1328         * config/spu/t-spu-elf (spu.o): Update dependencies.
1329
1330 2010-12-01  Richard Guenther  <rguenther@suse.de>
1331
1332         PR tree-optimization/46730
1333         * value-prof.c (gimple_ic): Always generate a separate merge BB.
1334
1335 2010-11-30  Ian Lance Taylor  <iant@google.com>
1336
1337         * config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V.  Remove
1338         all of %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}.
1339         * config/i386/linux64.h (ASM_SPEC): Likewise.
1340         * config/i386/mingw-w64.h (ASM_SPEC): Likewise.
1341         * config/i386/sol2-10.h (ASM_SPEC) [USE_GAS]: Likewise.
1342         * config/i386/vxworks.h (ASM_SPEC): Likewise.
1343         * config/i386/x86-64.h (ASM_SPEC): Likewise.
1344         * config/i386/sol2.h (ASM_SPEC): Remove %{Wa,*:%*}.
1345         * config/i386/sol2-10.h (ASM_SPEC) [!USE_GAS]: Likewise.
1346
1347 2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>
1348
1349         * c-decl.c (finish_function): Call objc_finish_function in
1350         Objective-C.
1351         * c-typeck.c (convert_for_assignment): Do not call
1352         objc_type_quals_match().
1353
1354 2010-11-30  Richard Guenther  <rguenther@suse.de>
1355
1356         PR tree-optimization/46722
1357         * tree-ssa-math-opts.c (convert_mult_to_fma): Get multiplication
1358         operands as arguments.
1359         (execute_optimize_widening_mul): Also handle power of two as
1360         multiplication.
1361
1362 2010-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1363
1364         PR middle-end/46709
1365         * cgraphunit.c (process_function_and_variable_attributes): Fix
1366         cut'n'pasteo.
1367
1368 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
1369
1370         * hwint.c:  New.  Extracted from toplev.c.
1371         * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1372         Move from toplev.h.
1373         * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1374         Move to hwint.c.
1375         * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1376         Move to hwint.h.
1377         * builtins.c, combine.c, config/i386/winnt.c, double-int.c,
1378         explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c,
1379         ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c,
1380         real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c,
1381         stor-layout.c, tree-dfa.c, tree-ssa-alias.c,
1382         tree-ssa-loop-niter.c, tree-vect-data-refs.c,
1383         tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c,
1384         tree-vrp.c: Don't include toplev.h.
1385         * genattrtab.c, genconditions.c, genemit.c, genextract.c,
1386         genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include
1387         toplev.h in generated output.
1388         * Makefile.in (OBJS-common): Add hwint.o.
1389         Dependencies for above files changed to remove toplev.h.
1390         (hwint.o): New.
1391         (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o,
1392         insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on
1393         toplev.h.
1394         * config/i386/t-cygming (winnt.o): Don't depend on toplev.h.
1395         * config/i386/t-interix (winnt.o): Don't depend on toplev.h.
1396
1397 2010-11-30  Richard Guenther  <rguenther@suse.de>
1398
1399         PR tree-optimization/46717
1400         * value-prof.c (gimple_ic): Preserve EH edges of the indirect
1401         call.  Manually create EH edges for the direct call and update
1402         target PHI nodes.
1403
1404 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
1405
1406         * diagnostic-core.h: Include bversion.h.
1407         * toplev.h: Don't include input.h or bversion.h.
1408         (parse_optimize_options): Don't declare here.
1409         * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
1410         caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
1411         combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
1412         config/host-darwin.c, config/i386/host-cygwin.c,
1413         config/i386/host-mingw32.c, config/i386/msformat-c.c,
1414         config/i386/netware.c, config/i386/nwld.c,
1415         config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
1416         config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
1417         config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
1418         config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
1419         config/score/score3.c, config/score/score7.c,
1420         config/sh/symbian-base.c, config/sh/symbian-c.c,
1421         config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
1422         config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
1423         cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
1424         fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
1425         graphite-blocking.c, graphite-clast-to-gimple.c,
1426         graphite-dependences.c, graphite-flattening.c,
1427         graphite-interchange.c, graphite-poly.c,
1428         graphite-scop-detection.c, graphite.c, haifa-sched.c,
1429         implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
1430         ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
1431         lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
1432         lto-opts.c, lto-section-in.c, lto-section-out.c,
1433         lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
1434         params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
1435         regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
1436         sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
1437         sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
1438         tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
1439         tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
1440         tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
1441         tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
1442         tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
1443         tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
1444         include toplev.h.
1445         * Makefile.in (TOPLEV_H): Remove.  All uses changed to use
1446         toplev.h.  Dependencies for above files and c-family files changed
1447         to remove $(TOPLEV_H) or toplev.h.
1448         (C_TREE_H): Don't include $(TOPLEV_H).
1449         (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h.  Add
1450         bversion.h.
1451         * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
1452         config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
1453         config/t-darwin, config/t-sol2,
1454         config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
1455         Dependencies for above files changed to remove $(TOPLEV_H) or
1456         toplev.h.
1457
1458 2010-11-30  Richard Guenther  <rguenther@suse.de>
1459
1460         PR lto/44986
1461         * gcc.c (main): Use the first input with a compiler as infile
1462         for link spec processing.
1463
1464 2010-11-30  Richard Guenther  <rguenther@suse.de>
1465
1466         PR lto/45949
1467         * cgraphunit.c (ipa_passes): Stop after errors from
1468         small IPA passes.
1469
1470 2010-11-30  Mingjie Xing  <mingjie.xing@gmail.com>
1471
1472         * gcc-plugin.h: Include coretypes.h.
1473         * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1474
1475 2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1476
1477         * ggc-zone.c (ggc_pch_read): Fix conditional compilation.
1478         * ggc-none.c (ggc_internal_alloc_zone_stat)
1479         (ggc_internal_cleared_alloc_zone_stat): New.
1480
1481 2010-11-29  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
1482
1483         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
1484         TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
1485         (rs6000_emit_prologue): Don't set PIC register if
1486         TARGET_SINGLE_PIC_BASE.
1487         * config/rs6000/rs6000.opt (msingle-pic-base): New option.
1488         * doc/invoke.texi (msingle-pic-base): Document.
1489
1490 2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>
1491
1492         PR driver/46712
1493         * exec-tool.in (id): New.
1494         Check and export LT_RCU_$id instead of LT_RCU.
1495
1496 2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>
1497
1498         PR tree-optimization/46675
1499         * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
1500         in offset calculation.
1501
1502 2010-11-29  Jan Hubicka  <jh@suse.cz>
1503
1504         * collect2.c (main): Do not imply verbose output with
1505         LTO and linker plugin.
1506
1507 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
1508
1509         * dwarf2out.c (print_die): Print the address of the current DIE or
1510         of any DIE referenced by the current one.
1511
1512 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
1513
1514         PR debug/46101
1515         * dwarf2out.c (lookup_type_die_strip_naming_typedef): New
1516         function.
1517         (scope_die_for, gen_type_die_for_member): Replace uses of
1518         lookup_type_die with use of lookup_type_die_strip_naming_typedef.
1519
1520 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1521
1522         * config/darwin.c (darwin_mergeable_string_section): Remove blank line.
1523         (darwin_asm_declare_object_name): Correct spelling.
1524         (darwin_output_aligned_bss): Likewise.
1525
1526 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1527             Mike Stump  <mrs@gcc.gnu.org>
1528
1529         PR target/26427
1530         PR target/33120
1531         PR testsuite/35710
1532         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
1533         (ASM_OUTPUT_LOCAL): Likewise.
1534         * config/darwin-protos.h (darwin_asm_declare_object_name): New.
1535         (darwin_output_aligned_bss): Likewise.
1536         (darwin_asm_output_aligned_decl_local): Likewise.
1537         (darwin_asm_output_aligned_decl_common): Likewise.
1538         (darwin_use_anchors_for_symbol_p): Likewise.
1539         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
1540         (TARGET_ASM_OUTPUT_ANCHOR): Define.
1541         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1542         (DARWIN_SECTION_ANCHORS): Set to 1.
1543         * config/darwin.c (emit_aligned_common): New var.
1544         (darwin_init_sections): Check that the Darwin private zero-size section
1545         marker is in range.
1546         (darwin_text_section): Check for zero-sized objects.
1547         (darwin_mergeable_string_section): Likewise.
1548         (darwin_mergeable_constant_section): Likewise.
1549         (machopic_select_section): Adjust to check for zero-sized objects.
1550         Assert that OBJC meta data are non-zero sized.
1551         (darwin_asm_declare_object_name): New.
1552         (darwin_asm_declare_constant_name): Adjust for zero-sized
1553         object sections.
1554         (BYTES_ZFILL): Define.
1555         (darwin_emit_weak_or_comdat): New.
1556         (darwin_emit_local_bss): New.
1557         (darwin_emit_common): New.
1558         (darwin_output_aligned_bss): New.
1559         (darwin_asm_output_aligned_decl_common): New.
1560         (darwin_asm_output_aligned_decl_local): New.
1561         (darwin_file_end): Disable subsections_via_symbols when section
1562         anchoring is active.
1563         (darwin_asm_output_anchor): Re-enable.
1564         (darwin_use_anchors_for_symbol_p): New.
1565         (darwin_override_options): Check for versions that can emit
1566         aligned common.  Update usage of flags to current.
1567         * config/darwin-sections.def: Update comments and flags for
1568         non-anchor sections.  zobj_const_section, zobj_data_section,
1569         zobj_bss_section, zobj_const_data_section: New.
1570         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
1571         (ASM_OUTPUT_ALIGN): Make whitespace output consistent.
1572         (L2_MAX_OFILE_ALIGNMENT): Define.
1573         (ASM_OUTPUT_ALIGNED_BSS): Define.
1574         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
1575         (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
1576         (SECTION_NO_ANCHOR): Define.
1577         (TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
1578         (DARWIN_SECTION_ANCHORS): Define with a default of 0.
1579
1580 2010-11-29  Joseph Myers  <joseph@codesourcery.com>
1581
1582         * system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
1583         Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
1584         (O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
1585         Conditionally define.
1586         (GET_ENVIRONMENT): Poison.
1587         * configure.ac: Don't test for mincore.
1588         * configure: Regenerate.
1589         * config.in: Regenerate.
1590         * collect2-aix.c: Don't include <sys/mman.h>.
1591         * collect2.c: Don't include <signal.h>.
1592         (SIGCHLD): Don't define.
1593         (prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
1594         * config/alpha/alpha.c: Include "splay-tree.h" instead of
1595         <splay-tree.h>.
1596         * config/arm/arm.c (arm_target_help): Use getenv instead of
1597         GET_ENVIRONMENT.
1598         * config/avr/driver-avr.c: Don't include <stdlib.h>.
1599         * config/frv/frv.c: Don't include <ctype.h>.
1600         * config/host-darwin.c: Don't include <sys/mman.h>.
1601         * config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
1602         (MAP_FAILED): Don't define.
1603         * config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
1604         * config/host-solaris.c: Don't include <sys/mman.h>.
1605         * config/i386/cygming.h: Don't include <stdio.h>.
1606         * config/i386/driver-i386.c: Don't include <stdlib.h>.
1607         * config/i386/host-cygwin.c: Don't include <sys/mman.h>.
1608         * config/iq2000/iq2000.c: Don't include <signal.h>.
1609         * config/m32c/m32c-pragma.c: Don't include <stdio.h>.
1610         * config/m68hc11/m68hc11.c: Don't include <stdio.h>.
1611         * config/mep/mep-pragma.c: Don't include <stdio.h>.
1612         * config/microblaze/microblaze.c: Don't include <signal.h>.
1613         * config/mips/mips.c: Don't include <signal.h>.
1614         * config/rs6000/host-darwin.c: Don't include <signal.h>.
1615         * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
1616         * defaults.h (GET_ENVIRONMENT): Don't define.
1617         * et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
1618         * gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
1619         (SIGCHLD, MAP_FAILED, kill): Don't define.
1620         (process_command): Use getenv instead of GET_ENVIRONMENT.
1621         * genhooks.c: Don't include <string.h>.
1622         * ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
1623         <sys/types.h>.
1624         (MAP_FAILED): Don't define.
1625         * ggc-page.c Don't include <sys/mman.h>.
1626         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1627         * ggc-zone.c: Don't include <sys/mman.h>.
1628         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1629         * graph.c: Include "config.h" instead of <config.h>.
1630         * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
1631         * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
1632         (SIGCHLD, kill): Don't define.
1633         * mips-tfile.c: Don't include <signal.h>.
1634         * opts.c: Don't include <signal.h> or <sys/resource.h>.
1635         (print_specific_help): Use getenv instead of GET_ENVIRONMENT.
1636         * passes.c: Don't include <signal.h>, <sys/resource.h> or
1637         <sys/times.h>.
1638         * sparseset.h: Don't include <assert.h>.
1639         * timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
1640         * tlink.c: Don't include "libiberty.h".
1641         * toplev.c: Don't include <signal.h> or <sys/times.h>.
1642         * tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
1643         * tree-switch-conversion.c: Don't include <signal.h>.
1644         * vmsdbgout.c: Don't include <errno.h> or <string.h>.
1645
1646 2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>
1647
1648         * c-parser.c (c_parser_objc_try_catch_statement): Renamed to
1649         c_parser_objc_try_catch_finally_statement for consistency with the
1650         C++ parser.  Parse @catch(...) and pass NULL_TREE to
1651         objc_begin_catch_clause() in that case.  Improved error recovery.
1652         Reorganized code to be almost identical to
1653         cp_parser_objc_try_catch_finally_statement.
1654
1655 2010-11-29  Joern Rennecke  <amylaar@spamcop.net>
1656
1657         PR tree-optimization/46621
1658         * gimple.h: Don't include tm.h or hard-reg-set.h .
1659         * Makefile.in (GIMPLE_H): Remove $(TM_H).
1660
1661         PR bootstrap/44756
1662         * cppbuiltin.c: Include target.h .
1663         (define_builtin_macros_for_type_sizes):
1664         Use targetm.float_words_big_endian.
1665
1666 2010-11-27  Jan Hubicka  <jh@suse.cz>
1667
1668         * dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
1669         and output cold_text_section_label.
1670         (dwarf2out_init): Don't do that there.
1671         (dwarf2out_finish): Handle cold section end label only if cold
1672         section was used.
1673
1674 2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
1675
1676         * tree-nested.c (remap_vla_decls): Fully expand value expressions of
1677         VLA variables.
1678
1679 2010-11-27  Richard Guenther  <rguenther@suse.de>
1680
1681         * gimple.c (gimple_assign_copy_p): Use gimple_assign_single_p.
1682         (gimple_assign_ssa_name_copy_p): Likewise.
1683         (gimple_assign_unary_nop_p): Use is_gimple_assign.
1684         (is_gimple_cast): Remove.
1685         (gimple_assign_single_p): Move ...
1686         * gimple.h (gimple_assign_single_p): ... here.
1687         (is_gimple_cast): Remove.
1688         (gimple_assign_rhs_code): Simplify.
1689         * gimple-fold.c (gimple_fold_builtin): Use CONVERT_EXPR_P
1690         instead of is_gimple_cast.
1691         * ipa-type-escape.c (look_for_casts): Likewise.
1692
1693 2010-11-26  Joseph Myers  <joseph@codesourcery.com>
1694
1695         * doc/options.texi (Enum, EnumValue): Document new record types.
1696         (Enum): Document new option flag.
1697         * opt-functions.awk
1698         * optc-gen.awk: Handle enumerated option arguments.
1699         * opth-gen.awk: Handle enumerated option arguments.
1700         * opts-common.c (enum_arg_ok_for_language, enum_arg_to_value,
1701         enum_value_to_arg): New.
1702         (decode_cmdline_option): Handle enumerated arguments.
1703         (read_cmdline_option): Handle CL_ERR_ENUM_ARG.
1704         (set_option, option_enabled, get_option_state): Handle CLVC_ENUM.
1705         * opts.c (print_filtered_help, print_specific_help): Take
1706         lang_mask arguments.
1707         (print_filtered_help): Handle printing values of enumerated
1708         options.  Print possible arguments for enumerated options.
1709         (print_specific_help): Update call to print_filtered_help.
1710         (common_handle_option): Update calls to print_specific_help.  Use
1711         value rather than arg for OPT_fdiagnostics_show_location_.  Don't
1712         handle OPT_ffp_contract_, OPT_fexcess_precision_,
1713         OPT_fvisibility_, OPT_ftls_model_, OPT_fira_algorithm_ or
1714         OPT_fira_region_ here.
1715         * opts.h (enum cl_var_type): Add CLVC_ENUM.
1716         (struct cl_option): Add var_enum.
1717         (CL_ENUM_CANONICAL, CL_ENUM_DRIVER_ONLY, struct cl_enum_arg,
1718         struct cl_enum, cl_enums, cl_enums_count): New.
1719         (CL_ERR_ENUM_ARG): Define.
1720         (CL_ERR_NEGATIVE): Update value.
1721         (enum_value_to_arg): Declare.
1722         * common.opt (flag_ira_algorithm, flag_ira_region,
1723         flag_fp_contract_mode, flag_excess_precision_cmdline,
1724         default_visibility, flag_tls_default): Remove Variable entries.
1725         (help_enum_printed): New Variable.
1726         (fdiagnostics-show-location=): Use Enum.  Add associated
1727         SourceInclude, Enum and EnumValue entries.
1728         (fexcess-precision=, ffp-contract=, fira-algorithm=, fira-region=,
1729         ftls-model=, fvisibility=): Use Enum, Var and Init.  Add
1730         associated Enum and EnumValue entries.
1731
1732 2010-11-26  Joern Rennecke  <amylaar@spamcop.net>
1733
1734         PR target/46623
1735         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1736         Use XALLOCAVEC.
1737         (microblaze_option_override): Don't use C++ style comments.
1738         (save_restore_insns): Remove unused variable base_offset.
1739         (microblaze_expand_prologue): Remove unused variable insn.
1740         (microblaze_secondary_reload): Adjust type to match target.h .
1741         (microblaze_elf_in_small_data_p): Move declarations to start of block.
1742         (microblaze_expand_move): Likewise.
1743         * config/microblaze/microblaze.h (LARGE_INT):
1744         Avoid signed / unsigned comparisons.
1745         (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
1746         (ASM_FORMAT_PRIVATE_NAME): Make format specifier match printed data.
1747         (ASM_FINISH_DECLARE_OBJECT): Likewise.  Constify name.
1748
1749 2010-11-26  Michael Matz  <matz@suse.de>
1750
1751         * tree-ssa-copy.c (fini_copy_prop): Don't DCE when we have loops.
1752
1753         * passes.c (init_optimization_passes): Remove superfluous
1754         copy-prop pass.
1755
1756 2010-11-26  Richard Guenther  <rguenther@suse.de>
1757
1758         PR lto/46648
1759         * gimple.c (gtc_visit): Do not return true for members of an
1760         SCC still being processed but the current lattice value of
1761         the member.  Treat SCC members comparison state as lattice,
1762         starting at equal, eventually dropping to unequal.
1763         (gimple_types_compatible_p_1): Likewise.
1764
1765 2010-11-26  Richard Guenther  <rguenther@suse.de>
1766
1767         PR middle-end/46559
1768         * dwarf2out.c (dwarf2out_finish): Use comp_unit_die as root
1769         for location list processing.
1770
1771 2010-11-26  Richard Guenther  <rguenther@suse.de>
1772
1773         PR lto/46560
1774         * cgraph.c (cgraph_clone_edge): Clone call_stmt dependent
1775         flags manually.
1776
1777 2010-11-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1778
1779         * config/s390/s390.c (print_operand_address): Replace assert with
1780         error message.
1781         (print_operand): Replace assertions, gcc_unreachable and
1782         fatal_insn with error messages.
1783
1784 2010-11-26  Richard Guenther  <rguenther@suse.de>
1785
1786         PR tree-optimization/46665
1787         * tree-ssa-structalias.c (pt_solution_set_var): Use DECL_PT_UID.
1788
1789 2010-11-26  Ian Bolton  <ian.bolton@arm.com>
1790
1791         * config/arm/arm.c (arm_option_override): enable loop array
1792         prefetching at -O3 for suitable targets, and configure params.
1793         * config/arm/arm-protos.h (struct tune_params): Add fields for
1794         configuring loop array prefetching.
1795
1796 2010-11-26  Christian Borntraeger  <borntraeger@de.ibm.com>
1797
1798         * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot.
1799
1800 2010-11-26  Richard Guenther  <rguenther@suse.de>
1801
1802         PR tree-optimization/46664
1803         * tree-affine.c (aff_combination_to_tree): Add rest last.
1804
1805 2010-11-26  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1806
1807         PR target/33637
1808         * configure.ac: Accept extra arguments for AS_FOR_TARGET,
1809         LD_FOR_TARGET, NM_FOR_TARGET, OBJDUMP_FOR_TARGET.
1810         * configure: Regenerated.
1811         * exec-tool.in: Not quoting command, may have extra arguments.
1812
1813 2010-11-26  Richard Guenther  <rguenther@suse.de>
1814
1815         PR tree-optimization/46528
1816         PR debug/46338
1817         * profile.c (branch_prob): Do not split blocks based on locations
1818         from debug statements.
1819
1820 2010-11-26  Jakub Jelinek  <jakub@redhat.com>
1821
1822         PR middle-end/46647
1823         * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead
1824         of host_integerp check.  Use TREE_INT_CST_LOW instead of tree_low_cst.
1825
1826         PR bootstrap/45700
1827         * tree.h (build1_stat_loc, build2_stat_loc, build3_stat_loc,
1828         build4_stat_loc, build5_stat_loc, build6_stat_loc): New inlines.
1829         (build1_loc, build2_loc, build3_loc, build4_loc, build5_loc,
1830         build6_loc): Define.
1831         * fold-const.c (protected_set_expr_location_unshare): New inline.
1832         (fold_convert_loc, pedantic_non_lvalue_loc): Use it.
1833         (negate_expr, associate_trees, non_lvalue_loc, omit_one_operand_loc,
1834         pedantic_omit_one_operand_loc, omit_two_operands_loc,
1835         fold_truth_not_expr, invert_truthvalue_loc, make_bit_field_ref,
1836         optimize_bit_field_compare, make_range, fold_range_test, fold_truthop,
1837         build_fold_addr_expr_with_type_loc, fold_unary_loc, fold_binary_loc,
1838         fold_indirect_ref_1, build_fold_indirect_ref_loc): Use builN_loc
1839         instead of buildN followed by SET_EXPR_LOCATION or
1840         protected_set_expr_location.
1841         (fold_build1_stat_loc, fold_build2_stat_loc, fold_build3_stat_loc):
1842         Use buildN_stat_loc instead of buildN_stat followed by
1843         SET_EXPR_LOCATION.
1844
1845 2010-11-26  Basile Starynkevitch  <basile@starynkevitch.net>
1846
1847         * Makefile.in (s-tm-texi): Remove spurous tab.
1848
1849 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
1850
1851         PR debug/46258
1852         * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
1853         debug stmts.
1854
1855 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
1856
1857         * toplev.c (finalize): Add no_backend parameter.  Don't finish
1858         passes when preprocessing only.  Adjust...
1859         (do_compile): ... caller.
1860
1861 2010-11-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1862
1863         * config/pa/pa.md (negdf2): Condition on !flag_signed_zeros instead of
1864         flag_unsafe_math_optimizations.
1865         (negsf2): Likewise.
1866         Move fnegabs related patterns together.  Only use fmpynfadd instruction
1867         to negate a multiply if !flag_signed_zeros is true.
1868
1869 2010-11-25  Uros Bizjak  <ubizjak@gmail.com>
1870
1871         * gengtype-state.c (read_state_structures): Initialize "previous".
1872
1873 2010-11-25  Basile Starynkevitch  <basile@starynkevitch.net>
1874             Jeremie Salvucci  <jeremie.salvucci@free.fr>
1875
1876         * gengtype-state.c: Add new file.
1877
1878         * gengtype.c (type count): New variable.
1879         (new_structure, find_param_structure, create_pointer)
1880         (create_array): Use it to set state_number in types.
1881         (dump_everything): Improve comment.
1882         (main): Call read_state and write_state. Print type_count.
1883
1884         * gengtype.h (type_lineloc): New function.
1885         (read_state, write_state): New declarations.
1886
1887         * Makefile.in (GENGTYPE_FLAGS): New variable.
1888         (s-gtype): Run gengtype twice and generate gtype.state.
1889         (build/gengtype-state.o): New rule.
1890         (build/gengtype$(build_exeext)): Link gengtype-state.o.
1891         (mostlyclean): Update comment.  Remove gtype.state.
1892
1893 2010-11-25  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR middle-end/46637
1896         * combine.c (try_combine): When substing i2dest for i2src, pass
1897         1 as last argument even if
1898         i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.
1899
1900 2010-11-25  H.J. Lu  <hongjiu.lu@intel.com>
1901
1902         PR middle-end/46647
1903         * builtins.c (target_char_cast): Check INTEGER_CST instead of
1904         host_integerp.  Replace tree_low_cst with TREE_INT_CST_LOW.
1905
1906 2010-11-25  Joseph Myers  <joseph@codesourcery.com>
1907
1908         * target.def (supports_split_stack, except_unwind_info): Take
1909         gcc_options parameters.
1910         * targhooks.c (default_except_unwind_info,
1911         dwarf2_except_unwind_info, sjlj_except_unwind_info): Take
1912         gcc_options parameters.
1913         * targhooks.h (default_except_unwind_info,
1914         dwarf2_except_unwind_info, sjlj_except_unwind_info): Update
1915         prototypes.
1916         * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES,
1917         TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT):
1918         Document that hooks must not be modified.
1919         (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument.
1920         * doc/tm.texi: Regenerate.
1921         * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass
1922         &global_options to targetm.except_unwind_info.
1923         * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm,
1924         dwarf2out_begin_prologue, dwarf2out_frame_init,
1925         dwarf2out_frame_finish, dwarf2out_assembly_start): Pass
1926         &global_options to targetm.except_unwind_info.
1927         * except.c (init_eh, finish_eh_generation,
1928         gate_convert_to_eh_region_ranges,
1929         output_one_function_exception_table): Pass &global_options to
1930         targetm.except_unwind_info.
1931         * expr.c (build_personality_function): Pass &global_options to
1932         targetm.except_unwind_info.
1933         * function.c (expand_function_end): Pass &global_options to
1934         targetm.except_unwind_info.
1935         * hooks.c (hook_bool_bool_gcc_optionsp_false): New.
1936         * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare.
1937         * opts.c (finish_options): Pass opts to targetm.except_unwind_info
1938         and targetm.supports_split_stack.  Remove assertions about opts
1939         and opts_set.
1940         (common_handle_option): Remove assertions about opts, opts_set and dc.
1941         * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass
1942         &global_options to targetm.except_unwind_info.
1943         * tree.c (build_common_builtin_nodes: Pass &global_options to
1944         targetm.except_unwind_info.
1945         * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter.
1946         (arm_compute_func_type, arm_expand_prologue, thumb_pushpop,
1947         thumb1_expand_prologue, thumb1_output_function_prologue,
1948         arm_unwind_emit, arm_output_fn_unwind): Update calls to
1949         arm_except_unwind_info.
1950         * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options
1951         parameter.
1952         * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options
1953         parameter.
1954         (ia64_output_function_prologue, ia64_add_bundle_selector_before,
1955         ia64_reorg, ia64_asm_unwind_emit): Update calls to
1956         ia64_except_unwind_info.
1957         * config/pa/pa.c (pa_option_override): Pass &global_options to
1958         targetm.except_unwind_info.
1959         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
1960         Remove prototype.
1961
1962 2010-11-25  Kai Tietz  <kai.tietz@onevision.com>
1963
1964         * cgraphunit.c (process_function_and_variable_attributes):
1965         Mark dllexport-ed function/variables as needed.
1966         * ipa.c (cgraph_externally_visible_p): Make dllexport-ed
1967         as externally visible.
1968
1969 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
1970
1971         PR rtl-optimization/46585
1972         * sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
1973         (vinsn_init): Skip computation of dependencies for local NOPs.
1974         (vinsn_delete): Don't try to free regsets for local NOPs.
1975         (setup_nop_and_exit_insns): Change definition of nop_pattern.
1976
1977 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
1978
1979         PR rtl-optimization/46602
1980         * sel-sched-ir.c (maybe_tidy_empty_bb): Move checking ...
1981         (tidy_control_flow): Here.
1982
1983 2010-11-25  Joern Rennecke  <amylaar@spamcop.net>
1984             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1985
1986         PR bootstrap/45888
1987         * Makefile.in (s-tm-texi): Remove \r occurences from tmp-tm.texi.
1988         Fix target.def pathname in timestamp comparison.
1989
1990 2010-11-24  Richard Henderson  <rth@redhat.com>
1991
1992         * config/ia64/predicates.md (pmpyshr_operand): New.
1993         * config/ia64/ia64.c (ia64_expand_unpack): New.
1994         (ia64_expand_widen_mul_v4hi): New.
1995         (ia64_expand_widen_sum): Update for pattern renames.
1996         (ia64_expand_dot_prod_v8qi): Likewise.
1997         * config/ia64/ia64-protos.h: Update.
1998         * config/ia64/vect.md (vecwider): New mode attribute.
1999         (vec_widen_umult_lo_v8qi, vec_widen_umult_hi_v8qi): New.
2000         (vec_widen_smult_lo_v8qi, vec_widen_smult_hi_v8qi): New.
2001         (pmpyshr2, pmpyshr2_u): New.
2002         (vec_widen_smult_lo_v4hi, vec_widen_smult_hi_v4hi): New.
2003         (vec_widen_umult_lo_v4hi, vec_widen_umult_hi_v4hi): New.
2004         (mulv2si3): New.
2005         (vec_pack_ssat_v4hi): Rename from pack2_sss.
2006         (vec_pack_usat_v4hi): Rename from *pack2_uss.
2007         (vec_pack_ssat_v2si): Rename from pack4_sss.
2008         (vec_interleave_lowv8qi): Rename from unpack1_l, use the correct
2009         vec_select operation.
2010         (vec_interleave_highv8qi): Similarly.
2011         (mux1_alt): Rename from *mux1_alt.
2012         (vec_extract_evenv8qi, vec_extract_oddv8qi): New.
2013         (vec_interleave_lowv4hi): Rename from unpack2_l.
2014         (vec_interleave_highv4hi): Rename from unpack2_h.
2015         (mix2_r): Rename from *mix2_r.
2016         (mix2_l): Similarly.
2017         (vec_extract_evenodd_helper): New.
2018         (vec_extract_evenv4hi, vec_extract_oddv4hi): New.
2019         (vec_interleave_lowv2si): Rename from *unpack4_l.
2020         (vec_interleave_highv2si): Rename from *unpack4_h.
2021         (vec_extract_evenv2si, vec_extract_oddv2si): New.
2022         (vec_interleave_lowv2sf): Rename from fmix_r.
2023         (vec_interleave_highv2sf): Rename from *fmix_l.
2024         (vec_extract_evenv2sf, vec_extract_oddv2sf): New.
2025         (vec_unpacku_lo_<VECINT12>, vec_unpacku_hi_<VECINT12>): New.
2026         (vec_unpacks_lo_<VECINT12>, vec_unpacks_hi_<VECINT12>): New.
2027         (vec_pack_trunc_v4hi, vec_pack_trunc_v2si): New.
2028
2029 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
2030
2031         * targhooks.c (default_except_unwind_info): Remove
2032         MUST_USE_SJLJ_EXCEPTIONS case.
2033         * config/h8300/h8300.h (MUST_USE_SJLJ_EXCEPTIONS): Delete.
2034         * config/h8300/h8300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
2035         * doc/tm.texi.in (MUST_USE_SJLJ_EXCEPTIONS): Delete.
2036         * doc/tm.texi: Regenerate.
2037         * system.h (MUST_USE_SJLJ_EXCEPTIONS): Poison.
2038
2039 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
2040
2041         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
2042         __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
2043         * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
2044         * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
2045         * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.
2046
2047 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2048
2049         PR target/46519
2050         * config/i386/i386.c (ix86_expand_call): Don't check
2051         TREE_THIS_VOLATILE.
2052
2053 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2054
2055         PR target/46519
2056         * config/i386/i386.c (upper_128bits_state): New.
2057         (block_info_def): Remove upper_128bits_set and done.  Add state,
2058         referenced, count, processed and rescanned.
2059         (check_avx256_stores): Updated.
2060         (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
2061         Call note_stores only if needed.  Set referenced and count.
2062         (move_or_delete_vzeroupper_1): Updated.  Set rescan_vzeroupper_p.
2063         (rescan_move_or_delete_vzeroupper): New.
2064         (move_or_delete_vzeroupper):  Process and rescan all all basic
2065         blocks instead of predecessor blocks of all exit points.
2066         (ix86_option_override_internal): Enable vzeroupper optimization
2067         only for -fexpensive-optimizations and not optimizing for size.
2068         (use_avx256_p): Removed.
2069         (init_cumulative_args): Don't set use_avx256_p.
2070         (ix86_function_arg): Likewise.
2071         (ix86_expand_move): Likewise.
2072         (ix86_expand_vector_move_misalign): Likewise.
2073         (ix86_local_alignment): Likewise.
2074         (ix86_minimum_alignment): Likewise.
2075         (ix86_expand_epilogue): Don't check use_avx256_p when generating
2076         vzeroupper.
2077         (ix86_expand_call): Likewise.
2078
2079         * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
2080         and use_avx256_p.  Add rescan_vzeroupper_p.
2081
2082 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
2083
2084         * toplev.c: Include <signal.h>.
2085
2086 2010-11-24  Richard Guenther  <rguenther@suse.de>
2087
2088         PR lto/43218
2089         * lto-symtab.c (lto_cgraph_replace_node): Mark edges with
2090         conflicting function signatures as non-inlineable.
2091
2092 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
2093
2094         PR rtl-optimization/46614
2095         * sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
2096          (deps_analyze_insn): Mark JUMP_INSNs in
2097         last_pending_memory_flush that weren't added through
2098         flush_pending_lists with NON_FLUSH_JUMP_KIND.
2099         (sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
2100         on INSN_LIST instead of JUMP_P check on its operand.
2101         * sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.
2102
2103 2010-11-24  Richard Guenther  <rguenther@suse.de>
2104
2105         * lto-streamer-in.c (input_gimple_stmt): Use types_compatible_p.
2106
2107 2010-11-24  Richard Guenther  <rguenther@suse.de>
2108
2109         PR lto/46606
2110         * lto-streamer-in.c (input_gimple_stmt): When we cannot find
2111         a FIELD_DECL that is type correct issue a warning and fixup
2112         with a VIEW_CONVERT_EXPR.
2113
2114 2010-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
2115
2116         * doc/invoke.texi (Options for Debugging Your Program or GCC):
2117         Explain static numbering of dump files.
2118
2119 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
2120
2121         * common.opt (user_vect_verbosity_level): New Variable entry.
2122         (ftree-vectorizer-verbose=): Mark as UInteger.
2123         * flag-types.h (enum vect_verbosity_levels): Move from enum
2124         verbosity_levels in tree-vectorizer.h.
2125         * opts.c: Don't include tree.h.
2126         (vect_set_verbosity_level): Move from tree-vectorizer.c.  Use
2127         gcc_options parameter; take integer option argument.
2128         (common_handle_option): Update call to vect_set_verbosity_level.
2129         * tree-vectorizer.c (user_vect_verbosity_level): Remove.
2130         (vect_set_verbosity_level): Move to opts.c.
2131         (vect_verbosity_level, vect_print_dump_info): Update for change of
2132         enum name.
2133         * tree-vectorizer.h (enum verbosity_levels): Move to flag-types.h.
2134         (vect_print_dump_info): Update for change of enum name.
2135         * tree.h (vect_set_verbosity_level): Remove.
2136         * Makefile.in (opts.o): Update dependencies.
2137
2138 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
2139
2140         PR middle-end/46629
2141         * cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
2142         instead of insn with any_condjump_p.
2143
2144 2010-11-24  Mingjie Xing  <mingjie.xing@gmail.com>
2145
2146         * config/mips/loongson.md: Change the description comment of the file
2147         and update the copyright years.
2148         (define_insn "<u>div<mode>3): Add loongson3a support.
2149         (define_insn "<u>mod<mode>3"): Likewise.
2150         * config/mips/mips.md: Rename mul<mode>3_mul3_ls2ef to
2151         mul<mode>3_mul3_loongson.
2152         (define_expand "mul<mode>3"): Add TARGET_LOONGSON_3A.
2153         (define_insn "mul<mode>3_mul3_loongson"): Add loongson3a support.
2154
2155 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2156
2157         * common.opt (initial_max_fld_align, flag_debug_asm,
2158         flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
2159         flag_print_asm_name, graph_dump_format, help_printed,
2160         help_columns, flag_opts_finished): New Variable entries.
2161         (fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
2162         frandom-seed=): Mark deferred.
2163         (fsched-verbose=): Use UInteger and Var.
2164         * flags.h (set_struct_debug_option, flag_print_asm_name,
2165         rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
2166         graph_dump_format): Don't declare here.
2167         * haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
2168         * opts-global.c: Include dbgcnt.h and debug.h.
2169         (decode_options): Pass location to finish_options.
2170         (handle_common_deferred_options): Check flag_dump_all_passed.
2171         Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
2172         OPT_frandom_seed and OPT_frandom_seed_.  Don't assert on
2173         OPT_fstack_limit.
2174         * opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
2175         (set_struct_debug_option): Add location_t parameter.  Update
2176         recursive call.  Use error_at.
2177         (default_options_optimization): Use error_at.
2178         (finish_options): Add location_t parameter.  Use
2179         opts->x_flag_opts_finished instead of first_time_p.  Use
2180         opts->x_optimize instead of optimize.  Use error_at.  Pass
2181         location to inform.
2182         (print_filtered_help): Use opts->x_help_printed to track what
2183         options have been printed.
2184         (print_specific_help): Use opts->x_help_columns to track number of
2185         columns.
2186         (common_handle_option): Pass locations and gcc_options pointers to
2187         more functions.  Use warning_at instead of fnotice and warning.
2188         Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
2189         OPT_fdebug_prefix_map_.  Use error_at.  Set
2190         opts->x_initial_max_fld_align; don't set maximum_field_alignment.
2191         Don't handle OPT_frandom_seed or OPT_frandom_seed_.  Don't handle
2192         OPT_fsched_verbose_.
2193         (handle_param): Add location_r parameter.  Use error_at.
2194         (set_debug_level): Add location_r parameter.  Use error_at and
2195         warning_at.
2196         (setup_core_dumping): Add diagnostic_context parameter.
2197         (decode_d_option): Add gcc_options, location_t and
2198         diagnostic_context parameters and use them instead of global
2199         state.  Use warning_at.
2200         (enable_warning_as_error): Use error_at.
2201         * opts.h (finish_options): Update prototype.
2202         (set_struct_debug_option): Declare here.
2203         * rtl.h (fix_sched_param): Remove.
2204         * stor-layout.c (initial_max_fld_align): Remove.
2205         * toplev.c (rtl_dump_and_exit, flag_print_asm_name,
2206         graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
2207         (process_options): Set maximum_field_alignment.
2208         * tree.h (initial_max_fld_align) Don't declare here.
2209         * Makefile.in (opts.o, opts-global.o): Update dependencies.
2210
2211 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2212
2213         * flag-types.h (struct visibility_flags): Don't declare here.
2214         * flags.h (strip_off_ending, fast_math_flags_set_p,
2215         fast_math_flags_struct_set_p): Declare here.
2216         (visibility_options): Don't declare here.
2217         * opts-common.c (option_enabled, get_option_state): Move from
2218         opts.c.
2219         * opts-global.c: Include diagnostic.h instead of
2220         diagnostic-core.h.  Include tree.h, langhooks.h, lto-streamer.h
2221         and toplev.h.
2222         (const_char_p, ignored_options, in_fnames, num_in_fnames,
2223         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
2224         print_ignored_options, unknown_option_callback,
2225         post_handling_callback, lang_handle_option, add_input_filename,
2226         read_cmdline_options, initial_lang_mask, init_options_once,
2227         decode_cmdline_options_to_array_default_mask,
2228         set_default_handlers, decode_options): Move from opts.c.
2229         (print_ignored_options): Use warning_at instead of saving and
2230         restoring input_location.
2231         * opts.c: Include <signal.h> and <sys/resource.h>.  Include rtl.h
2232         instead of expr.h.  Don't include langhooks.h, except.h or
2233         lto-streamer.h.  Add more comments on includes.
2234         (strip_off_ending, setup_core_dumping, decode_d_option): Move from
2235         toplev.c.
2236         (visibility_options): Move to c-family/c-common.c.
2237         (const_char_p, ignored_options, in_fnames, num_in_fnames,
2238         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
2239         print_ignored_options, unknown_option_callback,
2240         post_handling_callback, lang_handle_option, add_input_filename,
2241         read_cmdline_options, initial_lang_mask, init_options_once,
2242         decode_cmdline_options_to_array_default_mask,
2243         set_default_handlers, decode_options): Move to opts-global.c.
2244         (target_handle_option, default_options_optimization,
2245         finish_options, common_handle_option): Remove static.
2246         (option_enabled, get_option_state): Move to opts-common.c.
2247         * opts.h (common_handle_option, target_handle_option,
2248         finish_options, default_options_optimization): Declare.
2249         * toplev.c: Don't include <signal.h> or <sys/resource.h>.
2250         (setup_core_dumping, strip_off_ending, decode_d_option): Move to
2251         opts.c.
2252         * toplev.h (strip_off_ending, decode_d_option,
2253         fast_math_flags_set_p, fast_math_flags_struct_set_p): Don't
2254         declare here.
2255         * Makefile.in (opts.o, opts-global.o): Update dependencies.
2256
2257 2010-11-23  Dave Korn  <dave.korn.cygwin@gmail.com>
2258
2259         PR driver/42690
2260         * gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
2261         options, replace by call of pass-through-libs spec function to process
2262         link_gcc_c_sequence spec.
2263         (lto_libgcc_spec): Delete variable.
2264         (static_specs[]): Remove related entry.
2265         (static_spec_functions[]): Add new entry for pass-through-libs.
2266         (main): Don't generate deleted lto_libgcc_spec.
2267         (pass_through_libs_spec_func): New function to implement the new
2268         pass-through-libs spec function.
2269         * doc/invoke.texi (pass-through-libs): Document new spec function.
2270
2271 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2272
2273         * doc/options.texi (Warning, Optimization): Document.
2274
2275 2010-11-23  Jan Hubicka  <jh@suse.cz>
2276
2277         * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
2278         (tree_decl_with_vis): Add implicit_section_name_p.
2279         * targhooks.h (default_function_section): Declare.
2280         * target.def (function_section): New hook.
2281         * defaults.h (HOT_TEXT_SECTION_NAME,
2282         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2283         * predict.c (choose_function_section): Remove.
2284         (estimate_bb_frequencies): Do not use choose_function_section.
2285         * coretypes.h (enum node_frequency): Move here from cgraph.h
2286         * cgraph.h (enum node_frequency): Remove.
2287         * varasm.c (initialize_cold_section_name, unlikely_text_section,
2288         unlikely_text_section_p): Remove.
2289         (named_subsection_entry): New structure.
2290         (get_text_section): New function.
2291         (default_function_section): New function.
2292         (function_section_1): Break out from ...; handle profile info.
2293         (function_section): ... here.
2294         (unlikely_text_section): Remove.
2295         (unlikely_text_section_p): Use function_section_1.
2296         (assemble_start_function): Do not initialize cold section.
2297         (default_section_type_flags): Do not special case cold subsection.
2298         (switch_to_section): Likewise.
2299         * output.h (get_text_section): Define.
2300         * config/i386/winnt.c: Do not special case cold section.
2301         * config/darwin-protos.h (darwin_function_section): Declare.
2302         * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME,
2303         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2304         * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME,
2305         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2306         (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section.
2307         * config/ia64/ia64.c (ia64_hpux_function_section): New function.
2308         * config/darwin.c (machopic_select_section): Use
2309         darwin_function_section.
2310         (darwin_function_section): New function.
2311         * config/darwin.h (HOT_TEXT_SECTION_NAME,
2312         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2313         (TARGET_ASM_FUNCTION_SECTION): Define.
2314         * system.h (HOT_TEXT_SECTION_NAME,
2315         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison.
2316
2317 2010-11-23  Iain Sandoe  <iains@gcc.gnu.org>
2318
2319         * config/darwin.h (LINK_COMMAND_SPEC_A): Use %(link_gcc_c_sequence).
2320         LINK_GCC_C_SEQUENCE_SPEC: Define new macro.
2321
2322 2010-11-23  Jakub Jelinek  <jakub@redhat.com>
2323
2324         PR middle-end/46499
2325         * cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
2326         following unconditional jumps.
2327
2328 2010-11-23  Richard Guenther  <rguenther@suse.de>
2329
2330         * doc/md.texi (386 constraints): Clarify A constraint documentation.
2331
2332 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
2333             Jeremie Salvucci  <jeremie.salvucci@free.fr>
2334
2335         * gengtype.c (enum typekind, struct options)
2336         (struct nested_ptr_data, struct pair, NUM_PARAM)
2337         (enum gc_used_num, struct type, UNION_P, UNION_OR_STRUCT_P):
2338         Move to gengtype.h.
2339         (string_type, scalar_nonchar, scalar_nonchar, scalar_char):
2340         Remove static, add zero state_number.
2341         (typedefs, structures, param_structs, variables): Remove static.
2342         (create_option): Remove.
2343         (create_string_option, create_type_option, create_nested_option):
2344         New functions.
2345         (create_nested_ptr_option): Use create_nested_option.
2346         (note_variable, adjust_field_rtx_def, adjust_field_type): Call the
2347         new create*option functions.
2348         (process_gc_options): Adjust for discriminated option.
2349         (output_mangled_typename): Handle TYPE_NONE.
2350         (walk_type): Test option kinds.
2351         (write_types_process_field): Handle TYPE_NONE and TYPE_ARRAY.
2352         (write_func_for_structure, write_type, write_local, write_root)
2353         (write_roots, note_def_vec, dump_options): Adjust for
2354         discriminated option.
2355
2356         * gengtype.h (typedefs, structures, param_structs, variables
2357         enum typekind): Move from gengtype.c
2358         (enum option_kind): New discriminating enumeration.
2359         (struct options): Becomes discriminated.
2360         (struct nested_ptr_data): Nove from gengtype.c
2361         (create_string_option, create_type_option, create_nested_option)
2362         (create_nested_ptr_option): New functions
2363         (struct pair, enum_gc_used_enum, NUM_PARAM, struct type, UNION_P)
2364         (UNION_OR_STRUCT_P): Move from gengtype.c
2365
2366         * gengtype-parse.c (str_optvalue_opt, type_optvalue, option): Make
2367         discriminated options.
2368
2369 2010-11-23  Richard Guenther  <rguenther@suse.de>
2370
2371         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid doing work
2372         twice.  Avoid re-allocating the ops vector all the time.
2373
2374 2010-11-23  Richard Guenther  <rguenther@suse.de>
2375
2376         * tree-ssa-alias.c (refs_may_alias_p_1): Avoid calls to
2377         is_gimple_min_invariant, group tree code checks to allow
2378         combining them.
2379         (stmt_may_clobber_ref_p_1): Check for SSA_NAME instead
2380         of is_gimple_reg.
2381
2382 2010-11-23  Eric Botcazou  <ebotcazou@adacore.com>
2383
2384         * config.gcc (sparc*-*-*): Reorder.
2385
2386 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
2387
2388         * gengtype.c (header_dot_h_frul, source_dot_c_frul):
2389         Remove ENABLE_CHECKING around DBGPRINTF.
2390
2391 2010-11-22  Joseph Myers  <joseph@codesourcery.com>
2392
2393         * common.opt (exit_after_options, write_symbols, debug_info_level,
2394         use_gnu_debug_info_extensions): New Variable entries.
2395         (fprofile-dir=): Use Var.
2396         * flag-types.h (enum debug_info_level): Rename to enum
2397         debug_info_levels.
2398         * flags.h (write_symbols, debug_info_level,
2399         use_gnu_debug_info_extensions): Remove declarations.
2400         * opts.c (exit_after_options, write_symbols, debug_info_level): Remove.
2401         (set_struct_debug_option): Make static variables const.
2402         (use_gnu_debug_info_extensions): Remove.
2403         (set_debug_level, print_filtered_help, print_specific_help,
2404         fast_math_flags_set_p): Take gcc_options parameters and use them
2405         in place of global variables.
2406         (print_filtered_help): Make new_help non-static.
2407         (print_specific_help): Update call to print_filtered_help.
2408         (common_handle_option): Update calls to print_specific_help.  Use
2409         gcc_options structure for more settings.  Make --help table
2410         const.  Don't handle OPT_fprofile_dir_ here.  Update calls to
2411         set_debug_level.
2412         * toplev.c (profile_data_prefix): Remove.
2413         * toplev.h (profile_data_prefix, exit_after_options): Remove
2414         declarations.
2415         (fast_math_flags_set_p): Update prototype.
2416         * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
2417         Update call to fast_math_flags_set_p.
2418
2419 2010-11-22  Richard Henderson  <rth@redhat.com>
2420
2421         PR target/46434
2422         * config/crx/crx.c (crx_addr_reg): Rename from crx_addr_reg_p;
2423         return the address register extracted.
2424         (crx_decompose_address): Update the extracted address register.
2425
2426 2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2427
2428         PR driver/43335
2429         * gcc.c (main): Don't crash when lto-wrapper program is not found.
2430
2431 2010-11-22  Joern Rennecke  <amylaar@spamcop.net>
2432
2433         PR target/46608
2434         * config/picochip/picochip.c (picochip_secondary_reload): Make static.
2435         * config/picochip/picochip-protos.h: Don't include "target.h" .
2436         (picochip_secondary_reload): Don't declare.
2437
2438         PR target/46613
2439         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Declare.
2440         * config/m32c/m32c.c (m32c_conditional_register_usage): No longer
2441         static.
2442
2443 2010-11-22  H.J. Lu  <hongjiu.lu@intel.com>
2444
2445         PR bootstrap/46609
2446         * gengtype.c (header_dot_h_frul): Check ENABLE_CHECKING.
2447         (source_dot_c_frul): Likewise.
2448
2449 2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>
2450
2451         * gimple-pretty-print.c (dump_bb_header): Add check for cfun.
2452
2453 2010-11-22  Paolo Bonzini  <bonzini@gnu.org>
2454
2455         PR bootstrap/44970
2456         * Makefile.in (fwprop.o) Add sparseset.h.
2457         * fwprop.c: Include sparseset.h
2458         (struct find_occurrence_data, find_occurrence_callback,
2459         find_occurrence): Remove.
2460         (active_defs, active_defs_check, register_active_defs,
2461         update_df_init, update_uses): New.
2462         (update_df): Rewrite.
2463         (try_fwprop_subst, forward_propagate_asm): Add calls to
2464         update_df_init and update_df.
2465         (fwprop_init): Allocate active_defs and active_defs_check.
2466         (fwprop_done): Free them.
2467         (fwprop, fwprop_addr): Adjust comments.
2468         * df.h (df_uses_create): Declare.
2469         * df-scan.c (df_install_ref_incremental): Break out of df_ref_create.
2470         (df_ref_create): Return result of df_ref_create_structure directly.
2471         (df_ref_create_structure): Call df_install_ref_incremental when
2472         no collection_rec is passed.
2473         (df_ref_record): Do not create multiword hard reg info when no
2474         collection_rec is passed.
2475         (df_uses_create): New.
2476
2477 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
2478
2479         PR middle-end/43057
2480         * fold-const.c (pedantic_non_lvalue_loc): Unshare x before
2481         setting location.
2482
2483 2010-11-22  Richard Guenther  <rguenther@suse.de>
2484
2485         * gimple-fold.c (maybe_fold_reference): When canonicalizing
2486         MEM_REFs, preserve volatileness.
2487         * cgraphbuild.c (mark_address): Properly check for FUNCTION_DECL
2488         addresses.
2489
2490 2010-11-22  Richard Guenther  <rguenther@suse.de>
2491
2492         * tree-ssa-ccp.c (get_base_constructor): Remove superfluous breaks.
2493
2494 2010-11-22  Alexander Monakov  <amonakov@ispras.ru>
2495
2496         PR rtl-optimization/45652
2497         * alias.c (get_reg_base_value): New.
2498         * rtl.h (get_reg_base_value): Add prototype.
2499         * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
2500         non-null REG_BASE_VALUE for renaming.
2501
2502 2010-11-22  Jeremie Salvucci  <jeremie.salvucci@free.fr>
2503             Basile Starynkevitch  <basile@starynkevitch.net>
2504
2505         * gengtype.c: Include xregex.h and obstack.h
2506         Added comments about role of get_output_file_with_visibility and
2507         our regexpr machinery.
2508         (frul_actionrout_t, struct file_rule_st): New.
2509         (hader_dot_h_frul, source_dot_c_frul): New functions.
2510         (NULL_REGEX,  NULL_FRULACT): New.
2511         (files_rules): New.
2512         (matching_file_name_substitute): New function.
2513         (get_output_file_with_visibility): Updated comments and rewritten
2514         to use the new files_rules machinery.
2515
2516         * Makefile.in (XREGEX_H): Added variable.
2517         (build/gengtype.o): Added dependencies for xregex.h and obstack.h
2518
2519 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
2520
2521         * system.h (FUNCTION_ARG_BOUNDARY): Really poison.
2522
2523 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
2524
2525         * target.def (conditional_register_usage): Define.
2526         * reginfo.c (init_reg_sets_1): Call
2527         targetm.conditional_register_usage.
2528         * system.h (CONDITIONAL_REGISTER_USAGE): Poison.
2529         * doc/tm.texi.in (CONDITIONAL_REGISTER_USAGE): Adjust language
2530         for making it a hook.
2531         * doc/tm.texi: Regenerate.
2532         * config/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2533         * config/alpha/alpha.c (alpha_conditional_register_usage): ...here.
2534         New function.
2535         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2536         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2537         * config/arc/arc.c (arc_conditional_register_usage): ...here.
2538         New function.
2539         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2540         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2541         * config/arm/arm.c (arm_conditional_register_usage): ...here.
2542         New function.
2543         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2544         * config/bfin/bfin.h (CONDITIONAL_REGISTER_USAGE): Delete.
2545         * config/bfin/bfin-protos.h (conditional_register_usage): Delete.
2546         * config/bfin/bfin.c (conditional_register_usage): Move code into...
2547         (bfin_conditional_register_usage): ...here.  New function.
2548         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2549         * config/cris/cris.h (CONDITIONAL_REGISTER_USAGE): Delete.
2550         * config/cris/cris-protos.h (cris_conditional_register_usage): Delete.
2551         * config/cris/cris.c (cris_conditional_register_usage): Make static.
2552         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2553         * config/fr30/fr30.h (FIXED_REGISTERS): Adjust comment.
2554         * config/frv/frv.h (CONDITIONAL_REGISTER_USAGE): Delete.
2555         * config/frv/frv-protos.h (frv_conditional_register_usage): Delete.
2556         * config/frv/frv.c (frv_conditional_register_usage): Make static.
2557         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2558         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2559         * config/h8300/h8300.c (h8300_conditional_register_usage): ...here.
2560         New function.
2561         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2562         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Delete.
2563         * config/i386/i386-protos.h (ix86_conditional_register_usage): Delete.
2564         * config/i386/i386.c (ix86_conditional_register_usage): Make static.
2565         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2566         * config/m32c/m32c.h (CONDITIONAL_REGISTER_USAGE): Delete.
2567         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Delete.
2568         * config/m32c/m32c.c (m32c_conditional_register_usage): Make static.
2569         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2570         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2571         * config/m32r/m32r.c (m32r_conditional_register_usage): ...here.
2572         New function.
2573         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2574         * config/m68hc11/m68hc11.h (CONDITIONAL_REGISTER_USAGE): Delete.
2575         * config/m68hc11/m68hc11-protos.h (m68hc11_conditional_register_usage):
2576         Delete.
2577         * config/m68hc11/m68hc11.c (m68hc11_conditional_register_usage): Make
2578         static.
2579         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2580         * config/mep/mep.h (CONDITIONAL_REGISTER_USAGE): Delete.
2581         * config/mep/mep-protos.h (mep_conditional_register_usage): Delete.
2582         * config/mep/mep.c (mep_conditional_register_usage): Make static.
2583         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2584         * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Delete.
2585         * config/mips/mips-protos.h (mips_conditional_register_usage): Delete.
2586         * config/mips/mips.c (mips_conditional_register_usage): Make static.
2587         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2588         * config/mmix/mmix.h (CONDITIONAL_REGISTER_USAGE): Delete.
2589         * config/mmix/mmix-protos.h (mmix_conditional_register_usage): Delete.
2590         * config/mmix/mmix.c (mmix_conditional_register_usage): Make static.
2591         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2592         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2593         * config/mn10300/mn10300.c (mn10300_conditional_register_usage):
2594         ...here.  New function.
2595         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2596         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2597         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): ...with this...
2598         * config/pa/pa.c (pa_conditional_register_usage): ...here.
2599         New function.
2600         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2601         * config/pdp11/pdp11.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2602         * config/pdp11/pdp11.c (pdp11_conditional_register_usage): ...here.
2603         New function.
2604         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2605         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Delete.
2606         * config/rs6000/rs6000-protos.h (rs6000_conditional_register_usage):
2607         Delete.
2608         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
2609         static.
2610         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2611         * config/rx/rx.h (CONDITIONAL_REGISTER_USAGE): Delete.
2612         * config/rx/rx-protos.h (rx_conditional_register_usage): Delete.
2613         * config/rx/rx.c (rx_conditional_register_usage): Make static.
2614         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2615         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Delete.
2616         * config/s390/s390-protos.h (s390_conditional_register_usage): Delete.
2617         * config/s390/s390.c (s390_conditional_register_usage): Make static.
2618         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2619         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2620         * config/score/score.c (score_conditional_register_usage): ...here.
2621         New function.
2622         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2623         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2624         * config/sh/sh.c (sh_conditional_register_usage): ...here.
2625         New function.
2626         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2627         * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2628         * config/sparc/sparc.c (sparc_conditional_register_usage): ...here.
2629         New function.
2630         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2631         * config/spu/spu.h (CONDITIONAL_REGISTER_USAGE): Delete.
2632         * config/spu/spu-protos.h (spu_conditional_register_usage): Delete.
2633         * config/spu/spu.c (spu_conditional_register_usage): Make static.
2634         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2635         * config/v850/v850.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2636         * config/v850/v850.c (v850_conditional_register_usage): ...here.
2637         New function.
2638         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2639
2640 2010-11-21  Jan Hubicka  <jh@suse.cz>
2641             Dominique d'Humieres <dominiq@lps.ens.ft>
2642
2643         PR target/46510
2644         * tree-emutls.c (get_emutls_init_templ_addr, new_emutls_decl): Do not
2645         finalize external decls.
2646
2647 2010-11-21  Joseph Myers  <joseph@codesourcery.com>
2648
2649         * system.h (strerror): Poison.
2650
2651 2010-11-21  Richard Henderson  <rth@redhat.com>
2652
2653         * config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
2654         for infq/huge_valq.
2655
2656 2010-11-21  Richard Henderson  <rth@redhat.com>
2657
2658         PR rtl-optimization/46571
2659         * gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
2660         (compute_hash_table_work): Use NONDEBUG_INSN_P.
2661
2662 2010-11-21  Paul Koning  <ni1d@arrl.net>
2663
2664         * config/mips/pdp11.md (negsi2): Fix wrong code.
2665
2666 2010-11-21  Paul Koning  <ni1d@arrl.net>
2667
2668         * config/mips/pdp11.c (pdp11_legitimate_address_p): New function.
2669         * config/mips/pdp11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2670
2671 2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>
2672
2673         * config/mips/mips.c (machine_function): Rename load_label_length to
2674         load_label_num_insns.
2675         (mips_load_label_length): Rename to...
2676         (mips_load_label_num_insns): ...this.  Adjust to first renaming.
2677         (mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.
2678
2679 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
2680
2681         PR target/46533
2682         * config/alpha/predicates.md (direct_call_operand): Return false
2683         for !TARGET_SMALL_TEXT targets.
2684
2685 2010-11-20  Joseph Myers  <joseph@codesourcery.com>
2686
2687         * doc/tm.texi.in (HANDLE_SYSV_PRAGMA,
2688         HANDLE_PRAGMA_PACK_PUSH_POP): Remove.
2689         (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Don't refer to HANDLE_SYSV_PRAGMA.
2690         * doc/tm.texi: Regenerate.
2691         * system.h (HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_SYSV_PRAGMA,
2692         HANDLE_PRAGMA_WEAK): Poison.
2693         * config/alpha/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
2694         * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2695         * config/alpha/osf5.h (HANDLE_SYSV_PRAGMA): Don't define.
2696         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Don't define.
2697         * config/arm/arm.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2698         * config/arm/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2699         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2700         * config/darwin.h (HANDLE_SYSV_PRAGMA): Don't define.
2701         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2702         * config/elfos.h (HANDLE_SYSV_PRAGMA): Don't define.
2703         * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2704         * config/frv/frv.h (HANDLE_SYSV_PRAGMA): Don't define.
2705         * config/i386/cygming.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2706         * config/i386/djgpp.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2707         * config/i386/i386-interix.h (HANDLE_SYSV_PRAGMA): Don't define.
2708         (HANDLE_PRAGMA_WEAK): Don't undefine.
2709         * config/i386/netware.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2710         * config/i386/vxworks.h (HANDLE_SYSV_PRAGMA): Don't define.
2711         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2712         * config/ia64/ia64.h (HANDLE_SYSV_PRAGMA): Don't define.
2713         * config/interix.h (HANDLE_SYSV_PRAGMA): Don't define.
2714         (HANDLE_PRAGMA_WEAK): Don't undefine.
2715         * config/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2716         * config/m32r/linux.h (HANDLE_SYSV_PRAGMA): Don't define.
2717         (HANDLE_PRAGMA_PACK): Don't undefine.
2718         * config/m32r/m32r.h (HANDLE_SYSV_PRAGMA): Don't undefine.
2719         * config/mep/mep.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2720         * config/mips/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2721         * config/mips/sde.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2722         * config/mmix/mmix.h (HANDLE_SYSV_PRAGMA): Don't define.
2723         * config/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2724         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2725         * config/openbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2726         * config/pa/pa-hpux.h (HANDLE_SYSV_PRAGMA): Don't define.
2727         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2728         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Don't define.
2729         * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2730         * config/rx/rx.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2731         * config/score/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
2732         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2733         * config/stormy16/stormy16.h (HANDLE_SYSV_PRAGMA): Don't define.
2734         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2735
2736 2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
2737
2738         PR target/31100
2739         * config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
2740         * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
2741         * config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.
2742
2743 2010-11-20  Jan Hubicka  <jh@suse.cz>
2744
2745         * cgraph.c (ld_plugin_symbol_resolution_names): New.
2746         (dump_cgraph_node): Dump resolution.
2747         * cgraph.h (ld_plugin_symbol_resolution_names): Declare.
2748         (cgraph_comdat_can_be_unshared_p): Dclare.
2749         * lto-streamer-out.c (produce_symtab): Use
2750         cgraph_comdat_can_be_unshared_p.
2751         * ipa.c (cgraph_address_taken_from_non_vtable_p): New function.
2752         (cgraph_comdat_can_be_unshared_p): New function based on logic
2753         in cgraph_externally_visible_p.
2754         (cgraph_externally_visible_p): Use it.
2755         (varpool_externally_visible_p): Virtual tables can be unshared.
2756         * varpool.c (dump_varpool_node): Dump resolution.
2757
2758 2010-11-20  Jan Hubicka  <jh@suse.cz>
2759
2760         * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p.
2761
2762 2010-11-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2763
2764         PR other/46202
2765         * Makefile.in (install_sh, INSTALL_STRIP_PROGRAM): New variables.
2766         (AR_FOR_TARGET, RANLIB_FOR_TARGET, STRIP_FOR_TARGET): Fix
2767         shell quoting.
2768         (STRIP_FOR_TARGET): Look for in-tree strip under name strip-new.
2769         (install-strip): New target.
2770         (STRIPPROG): New variable, exported if STRIP is set.
2771         * doc/install.texi (Final install): Minor markup and code style
2772         fixes.  Document install-strip target.
2773
2774 2010-11-20  Paul Koning  <ni1d@arrl.net>
2775
2776         * config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
2777         pdp11_regno_reg_class): New functions.
2778         * config/pdp11/pdp11.md (define_constants): Add register numbers.
2779         * config/pdp11/pdp11.c (pdp11_regno_reg_class,
2780         pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
2781         functions.
2782         * config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
2783         frame pointer and argument pointer pseudo-registers.
2784         (ARG_POINTER_REGNUM): Define.
2785         (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
2786         argument pointer.
2787         (FIRST_PARM_OFFSET): Update for argument pointer.
2788         (INITIAL_FRAME_POINTER_OFFSET): Delete.
2789         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
2790         (REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
2791         frame pointer and argument pointer.
2792
2793 2010-11-20  Jakub Jelinek  <jakub@redhat.com>
2794
2795         PR debug/46561
2796         * tree-parloops.c (try_create_redunction_list): Ignore debug stmts
2797         when looking for immediate uses.
2798
2799         PR tree-optimization/45830
2800         * stmt.c (expand_switch_using_bit_tests_p): New function.
2801         (expand_case): Use it.
2802         * tree.h (expand_switch_using_bit_tests_p): New prototype.
2803         * tree-switch-conversion.c (struct switch_conv_info): Add
2804         bit_test_uniq, bit_test_count and bit_test_bb fields.
2805         (check_range): Fix a comment.
2806         (check_process_case): Compute bit_test_uniq and bit_test_count.
2807         (create_temp_arrays): Use XCNEWVEC, merge 3 arrays into one
2808         allocation.
2809         (free_temp_arrays): Use XDELETEVEC, adjust for the 3 arrays merging.
2810         (constructor_contains_same_values_p): Use FOR_EACH_VEC_ELT.
2811         (array_value_type): New function.
2812         (build_one_array): Use it, if it returned different type,
2813         fold_convert all constructor fields and convert back to the
2814         wider type in the generated code.
2815         (process_switch): Initialize bit_test_uniq, bit_test_count and
2816         bit_test_bb fields.  Don't optimize if expand_switch_using_bit_tests_p
2817         returned true.
2818
2819 2010-11-19  Michael Matz  <matz@suse.de>
2820
2821         PR tree-optimization/46077
2822         * tree-chrec.c (eq_evolutions_p): Accept some expressions.
2823
2824 2010-11-19  Anatoly Sokolov  <aesok@post.ru>
2825
2826         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2827         * config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
2828         function.
2829         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2830
2831 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
2832
2833         * mode-switching.c (optimize_mode_switching): Use
2834         FOR_BB_INSNS instead of open-coded loop.
2835         * cfgrtl.c (redirect_branch_edge): Ditto.
2836
2837 2010-11-19  Joern Rennecke  <amylaar@spamcop.net>
2838
2839         PR target/46436
2840         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
2841         to accomodate 32 bit HOST_WIDE_INT.
2842         (m68hc11_emit_logical): Remove unused variable insn.
2843         (m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
2844         this_insn_uses_iy before use.
2845
2846         PR target/46434
2847         * config/crx/crx.c (crx_expand_epilogue): Remove unused variable.
2848
2849 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2850
2851         PR c/46547
2852         * c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
2853         * c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.
2854
2855 2010-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
2856
2857         * doc/extend.texi (Function attributes): Document PowerPC target
2858         attributes that are supported.
2859         (Pragmas): Document that PowerPC now supports target pragmas.
2860
2861         * doc/options.texi (TargetVariable): Document TargetVariable,
2862         HeaderInclude, and SourceInclude.
2863
2864         * doc/invoke.texi (-mfused-madd): Document that -mfused-madd is
2865         mapped to -ffp-contract=fast, and -mno-fused-madd is mapped to
2866         -ffp-contract=off.
2867
2868         * optc-gen.awk: Add support for TargetVariable, HeaderInclude, and
2869         SourceInclude directives.  Fix a cut+paste error with target save
2870         enum variables.  Sort enums in the structures after ints and
2871         before shorts.
2872         * opth-gen.awk: Ditto.
2873
2874         * configure.ac: Add support for HeaderInclude and SourceInclude option
2875         directives to add the appropriate files to the dependency lists.
2876         * configure: Regenerate.
2877         * Makefile.in (OPTIONS_H_EXTRA): New variable for HeaderInclude.
2878         (OPTIONS_C_EXTRA): New variable for SourceInclude.
2879         (OPTIONS_H): Add $(OPTIONS_H_EXTRA).
2880         (options.o): Add $(OPTIONS_C_EXTRA) dependency.
2881         (gcc-options.o): Ditto.
2882         * opt-include.awk: New awk script to handle HeaderInclude and
2883         TargetInclude.
2884
2885         * config/rs6000/aix.opt (-mxl-compat): Mark option as Save so it
2886         gets saved in the target options.
2887         * config/rs6000/linux64.opt (-mprofile-kernel): Ditto.
2888         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
2889         (-mprototype): Ditto.
2890         (-mbit-word): ditto.
2891         (-mregnames): Ditto.
2892         (-msecure-plt): Ditto.
2893         (-mbss-plt): Ditto.
2894         * config/rs6000/rs6000.opt (-mpowerpc-gpopt): Ditto.
2895         (-mpowerpc-gfxopt): Ditto.
2896         (-mmfcrf): Ditto.
2897         (-mpopcntb): Ditto.
2898         (-mfprnd): Ditto.
2899         (-mcmpb): Ditto.
2900         (-mmmfpgpr): Ditto.
2901         (-maltivec): Ditto.
2902         (-mhard-dfp): Ditto.
2903         (-mmulhw): Ditto.
2904         (-mdlmzb): Ditto.
2905         (-mmultiple): Ditto.
2906         (-mstring): Ditto.
2907         (-mpopcntd): Ditto.
2908         (-mfriz): Ditto.
2909         (-mvsx): Ditto.
2910         (-mno-update): Ditto.
2911         (-mavoid-indexed-addresses): Ditto.
2912         (-mtls-markers): Ditto.
2913         (-msched-epilog): Ditto.
2914         (-msched-prolog): Ditto.
2915         (-maix-struct-return): Ditto.
2916         (-msvr4-struct-return): Ditto.
2917         (-mxl-compat): Ditto.
2918         (-mrecip-precision): Ditto.
2919         (-mfp-in-toc): Ditto.
2920         (-msum-in-toc): Ditto.
2921         (-mvrsave): Ditto.
2922         (-mblock-move-inline-limit=): Ditto.
2923         (-misel): Ditto.
2924         (-mpaired): Ditto.
2925         (-mlongcall): Ditto.
2926         (-mgen-cell-microcode): Ditto.
2927         (-mwarn-cell-microcode): Ditto.
2928         (-mwarn-altivec-long): Ditto.
2929         (-mprioritize-restricted-insns=): Ditto.
2930         (-msingle-float): Ditto.
2931         (-mdouble-float): Ditto.
2932         (-msimple-fpu): Ditto.
2933         (-mxilinx-fpu): Ditto.
2934         * config/rs6000/aix64.opt (-mpe): Ditto.
2935
2936         * config/rs6000/rs6000.opt (HeaderInclude): Include rs6000-opts.h.
2937         (rs6000_cpu): Move variable to be a target variable.  Rename
2938         cmodel to rs6000_current_cmodel because of macro conflict.  Merge
2939         -mdebug=<xxx> variables into a single int.
2940         (rs6000_always_hint): Ditto.
2941         (rs6000_sched_groups): Ditto.
2942         (rs6000_align_branch_targets): Ditto.
2943         (rs6000_sched_costly_dep): Ditto.
2944         (rs6000_sched_insert_nops): Ditto.
2945         (rs6000_long_double_type_size): Ditto.
2946         (rs6000_ieeequad): Ditto.
2947         (rs6000_altivec_abi): Ditto.
2948         (rs6000_spe): Ditto.
2949         (rs6000_spe_abi): Ditto.
2950         (rs6000_float_gprs): Ditto.
2951         (rs6000_darwin64_abi): Ditto.
2952         (can_override_loop_align): Ditto.
2953         (rs6000_sdata): Ditto.
2954         (rs6000_tls_size): Ditto.
2955         (rs6000_current_abi): Ditto.
2956         (rs6000_traceback): Ditto.
2957         (rs6000_alignment_flags): Ditto.
2958         (rs6000_current_cmodel): Ditto.
2959         (rs6000_recip_control): Ditto.
2960         (rs6000_cpu_index): Ditto.
2961         (rs6000_tune_index): Ditto.
2962         (rs6000_debug): Ditto.
2963         (rs6000_target_flags_explict): Ditto.
2964
2965         * config/rs6000/rs6000-protos.h (rs6000_pragma_target_parse): Add
2966         declaration.
2967
2968         * config/rs6000/linux64.h (rs6000_current_cmode): Rename from
2969         cmodel.  Change all uses.
2970
2971         * config/rs6000/rs6000.c (rs6000_always_hint): Move to
2972         rs6000.opt.  Combine -mdebug=<xxx> variables into a single int.
2973         Rename cmodel to rs6000_current_cmodel.
2974         (rs6000_sched_groups): Ditto.
2975         (rs6000_align_branch_targets): Ditto.
2976         (rs6000_sched_costly_dep): Ditto.
2977         (rs6000_sched_insert_nops): Ditto.
2978         (rs6000_long_double_type_size): Ditto.
2979         (rs6000_ieeequad): Ditto.
2980         (rs6000_altivec_abi): Ditto.
2981         (rs6000_spe): Ditto.
2982         (rs6000_spe_abi): Ditto.
2983         (rs6000_float_gprs): Ditto.
2984         (rs6000_darwin64_abi): Ditto.
2985         (can_override_loop_align): Ditto.
2986         (rs6000_sdata): Ditto.
2987         (rs6000_tls_size): Ditto.
2988         (rs6000_current_abi): Ditto.
2989         (rs6000_traceback): Ditto.
2990         (rs6000_alignment_flags): Ditto.
2991         (rs6000_current_cmodel): Ditto.
2992         (rs6000_recip_control): Ditto.
2993         (rs6000_cpu_index): Ditto.
2994         (rs6000_tune_index): Ditto.
2995         (rs6000_debug): Ditto.
2996         (rs6000_target_flags_explict): Ditto.
2997         (rs6000_sched_insert_nops_str): Make static.
2998         (rs6000_sched_costly_dep_str): Ditto.
2999         (rs6000_recip_name): Ditto.
3000         (rs6000_abi_name): Ditto.
3001         (rs6000_sdata_name): Ditto.
3002         (enum rs6000_traceback_name): Move to rs6000-opts.h.
3003         (rs6000_parse_tls_size_option): Delete.
3004         (rs6000_valid_attribute_p): New function for target attributes and
3005         pragmas.
3006         (rs6000_function_specific_save): Ditto.
3007         (rs6000_function_specific_restore): Ditto.
3008         (rs6000_function_specific_print): Ditto.
3009         (rs6000_can_inline_p): Ditto.
3010         (rs6000_set_current_function): Ditto.
3011         (rs6000_inner_target_options): Ditto.
3012         (rs6000_debug_target_options): Ditto.
3013         (rs6000_pragma_target_parse): Ditto.
3014         (TARGET_OPTION_VALID_ATTRIBUTE_P): Define target hooks for target
3015         attributes and pragmas.
3016         (TARGET_OPTION_SAVE): Ditto.
3017         (TARGET_OPTION_RESTORE): Ditto.
3018         (TARGET_OPTION_PRINT): Ditto.
3019         (TARGET_CAN_INLINE_P): Ditto.
3020         (TARGET_SET_CURRENT_FUNCTION): Ditto.
3021         (POWER_MASKS): Move to file level scope from the
3022         rs6000_option_override_internal function.
3023         (POWERPC_MASKS): Ditto.
3024         (ISA_*_MASKS): Ditto.
3025         (struct rs6000_ptt): Ditto.
3026         (processor_target_table): Ditto.
3027         (rs6000_cpu_name_lookup): Map cpu name to an index in
3028         processor_target_table.
3029         (rs6000_debug_reg_global): Print more information on processor
3030         options for -mdebug=reg.
3031         (rs6000_init_hard_regno_mode_ok): Add support for target
3032         attributes and pragmas.  Merge all -mdebug=<xxx> fields into one.
3033         Allow -mdebug=val1,val2.  Rename cmodel variable.
3034         (rs6000_option_override_internal): Ditto.
3035         (rs6000_option_override): Ditto.
3036         (rs6000_handle_option): Ditto.
3037         (rs6000_conditional_register_usage): Add debug trace message.
3038         (struct rs6000_opt_mask): New for target attribute/pragma support.
3039         (rs6000_opt_masks): Ditto.
3040         (struct rs6000_opt_var): Ditto.
3041         (rs6000_opt_vars): Ditto.
3042         (rs6000_previous_function): Ditto.
3043
3044         * config/rs6000/rs6000.h (top level): Include rs6000-opts.h if it
3045         wasn't already included.
3046         (enum rs6000_cmodel): Move to rs6000-opts.h or rs6000.opt.
3047         (enum processor_type): Ditto.
3048         (rs6000_cpu): Ditto.
3049         (enum fpu_type_t): Ditto.
3050         (fpu_type): Ditto.
3051         (enum rs6000_dependence_cost): Ditto.
3052         (enum rs6000_nop_insertion): Ditto.
3053         (enum group_termination): Ditto.
3054         (rs6000_long_double_type_size): Ditto.
3055         (rs6000_ieeequad): Ditto.
3056         (rs6000_altivec_abi): Ditto.
3057         (rs6000_spe_abi): Ditto.
3058         (rs6000_spe): Ditto.
3059         (rs6000_float_gprs): Ditto.
3060         (rs6000_alignment_flags): Ditto.
3061         (rs6000_sched_insert_nops): Ditto.
3062         (enum rs6000_vector): Ditto.
3063         (enum rs6000_abi): Ditto.
3064         (rs6000_current_opt): Ditto.
3065         (rs6000_debug_*): Delete.
3066         (MASK_DEBUG*): Combine -mdebug=xxxx into one int.
3067         (TARGET_DEBUG*): Ditto.
3068
3069         * config/rs6000/rs6000-opts.h: New header file to define the enums
3070         that are used in target variables that are now defined in rs6000.opt.
3071
3072         * config/rs6000/sysv4.h (enum rs6000_sdata_type): Move to
3073         rs6000-opts.h.
3074         (rs6000_sdata): Ditto.
3075         (rs6000_abi_name): Delete.
3076         (rs6000_sdata_name): Ditto.
3077         (rs6000_tls_size_string): Ditto.
3078
3079 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3080
3081         * common.opt (debug_struct_ordinary, debug_struct_generic): New
3082         Variable entries.
3083         * dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
3084         should_emit_struct_debug): Move from opts.c.
3085         * flag-types.h (enum debug_struct_file): Move from opts.c.
3086         * flags.h (should_emit_struct_debug): Remove.
3087         (base_of_path): Declare.
3088         (set_struct_debug_option): Add gcc_options parameter.
3089         * optc-gen.awk, opth-gen.awk: Handle array variables.
3090         * opts.c (enum debug_struct_file, debug_struct_ordinary,
3091         debug_struct_generic): Remove.
3092         (set_struct_debug_option): Add gcc_options parameter.
3093         (base_of_path): Remove static.
3094         (main_input_basename, main_input_baselength, matches_main_base,
3095         dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
3096         Remove.
3097         * toplev.c (main_input_basename, main_input_baselength): Define
3098         here.
3099         * toplev.h (main_input_basename, main_input_baselength): Declare
3100         here.
3101
3102 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3103
3104         * common.opt (flag_instrument_functions_exclude_functions,
3105         flag_instrument_functions_exclude_files): New Variable definitions.
3106         * flags.h (flag_instrument_functions_exclude_p): Don't declare.
3107         * gimplify.c (char_p): Declare type and vectors.
3108         (flag_instrument_functions_exclude_p): Moved from opts.c.  Make static.
3109         * opts.c (flag_instrument_functions_exclude_functions,
3110         flag_instrument_functions_exclude_files): Remove.
3111         (add_comma_separated_to_vector): Take void **.
3112         (flag_instrument_functions_exclude_p): Move to gimplify.c.
3113         (common_handle_option): Use options structure for
3114         -finstrument-functions-exclude- options.
3115
3116 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3117
3118         * doc/options.texi (Var): Document effects of Defer.
3119         (Defer): Document.
3120         * opt-functions.awk (var_type, var_set): Handle deferred options.
3121         * opts-common.c (set_option): Handle CLVC_DEFER.
3122         * common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
3123         fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
3124         fstack-limit-symbol=): Mark as deferred.
3125         * opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
3126         plugin.h.
3127         (print_filtered_help): Don't report state of CLVC_DEFER options.
3128         (common_handle_option): Move code for OPT_fcall_used_,
3129         OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
3130         OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
3131         OPT_fstack_limit_symbol_ to opts-global.c.
3132         (option_enabled, get_option_state): Handle CLVC_DEFER.
3133         * opts.h: Include vec.h.
3134         (enum cl_var_type): Add CLVC_DEFER.
3135         (cl_deferred_option): Define type and vectors.
3136         (handle_common_deferred_options): Declare.
3137         * opts-global.c: New.
3138         * toplev.c (toplev_main): Call handle_common_deferred_options
3139         * Makefile.in (OPTS_H): Include $(VEC_H).
3140         (OBJS-common): Include opts-global.o.
3141         (opts.o): Update dependencies.
3142         (opts-global.o): Add dependencies.
3143
3144 2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>
3145
3146         * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
3147         to objc_declare_protocols.
3148
3149 2010-11-19  Richard Guenther  <rguenther@suse.de>
3150
3151         PR lto/45789
3152         * lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
3153         IDENTIFIERs do not stream TREE_TYPE.
3154         * lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.
3155
3156 2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>
3157
3158         * config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.
3159
3160 2010-11-19  Jakub Jelinek  <jakub@redhat.com>
3161
3162         PR target/45870
3163         * dwarf2out.c (const_ok_for_output_1): Don't complain about
3164         non-delegitimized TLS UNSPECs.
3165
3166 2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
3167             Ian Lance Taylor  <iant@google.com>
3168
3169         * config/darwin-c.c (darwin_additional_format_types): Export.
3170
3171 2010-11-18  Paul Koning  <ni1d@arrl.net>
3172
3173         * config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
3174         pointer.
3175
3176 2010-11-18  Paul Koning  <ni1d@arrl.net>
3177
3178         * config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
3179         * config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
3180         * config/pdp11/pdp11.opt (-mabshi): Delete.
3181
3182 2010-11-19  Mingjie Xing  <mingjie.xing@gmail.com>
3183
3184         * resource.h (struct resources): Fix typo in the comment.
3185
3186 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         PR target/46546
3189         * config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.
3190
3191 2010-11-18  Richard Henderson  <rth@redhat.com>
3192
3193         PR middle-end/46515
3194         * function.c (maybe_copy_prologue_epilogue_insn): Rename from
3195         maybe_copy_epilogue_insn; handle prologue insns as well.
3196         * rtl.h, cfglayout.c: Update for rename.
3197         * recog.c (peep2_attempt): Copy prologue/epilogue data for
3198         RTX_FRAME_RELATED_P insns.
3199
3200 2010-11-18  Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR middle-end/46534
3203         * builtins.c (fold_builtin_printf): Don't copy and modify string
3204         before build_string_literal, instead modify what
3205         build_string_literal returned.
3206
3207 2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>
3208
3209         PR c/33193
3210         * c-typeck.c (build_unary_op): Call build_real_imag_expr for
3211         REALPART_EXPR and IMAGPART_EXPR.
3212
3213 2010-11-18  Richard Guenther  <rguenther@suse.de>
3214
3215         PR tree-optimization/46172
3216         * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
3217         function.
3218         (slpeel_tree_peel_loop_to_edge): Call it.
3219
3220 2010-11-18  Jeff Law  <law@redhat.com>
3221
3222         PR middle-end-optimization/46297
3223         * postreload.c (reload_combine_note_store): Deal with embedded
3224         side effects in MEM expressions.
3225
3226 2010-11-18  Richard Guenther  <rguenther@suse.de>
3227
3228         PR lto/45089
3229         * dwarf2out.c (add_AT_die_ref): Work around LTO losing types
3230         when checking is not enabled.
3231
3232 2010-11-18  Richard Guenther  <rguenther@suse.de>
3233
3234         PR lto/46525
3235         * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
3236         type leaders.
3237         (gimple_register_canonical_type): Also cache the canoncial type
3238         for non type leaders.
3239
3240 2010-11-18  Richard Guenther  <rguenther@suse.de>
3241
3242         * lto-wrapper.c (run_gcc): Fix -flto=N parsing.
3243
3244 2010-11-18  Alexander Monakov  <amonakov@ispras.ru>
3245
3246         PR middle-end/46518
3247         * sel-sched-ir.c (init_expr): Use the correct type for
3248         target_available.
3249         * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.
3250
3251 2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
3252
3253         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
3254         as well as -mrelocatable at the same time.
3255
3256 2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>
3257
3258         PR target/46422
3259         * config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
3260         Call the clz builtin.
3261
3262 2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
3263             Steve Ellcey  <sje@cup.hp.com>
3264
3265         PR middle-end/31490
3266         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
3267         if section attribute used.
3268
3269 2010-11-17  Jan Hubicka  <jh@suse.cz>
3270
3271         * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
3272         expand errno setting variant when optimizing for size.
3273
3274 2010-11-17  Eric Botcazou  <ebotcazou@adacore.com>
3275
3276         * postreload.c (reload_combine): Call control_flow_insn_p only once.
3277         Reverse backward loop.  Fix formatting issues.
3278
3279 2010-11-17  Paolo Bonzini  <bonzini@gnu.org>
3280
3281         * c-parser.c (c_token_is_qualifier,
3282         c_parser_next_token_is_qualifier): New.
3283         (c_parser_declaration_or_fndef, c_parser_struct_declaration):
3284         Improve error message on specs->tagdef_seen_p.
3285         (c_parser_struct_or_union_specifier): Improve error recovery.
3286         (c_parser_declspecs): Move exit condition on C_ID_ID early.
3287         Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
3288         using c_parser_next_token_is_qualifier; extend it to cover
3289         a ctsk_tagdef typespec and !typespec_ok in general.
3290
3291 2010-11-17  Richard Guenther  <rguenther@suse.de>
3292
3293         * value-prof.c (gimple_divmod_fixed_value_transform): Update the stmt.
3294         (gimple_mod_pow2_value_transform): Likewise.
3295         (gimple_mod_subtract_transform): Likewise.
3296
3297 2010-11-17  Richard Guenther  <rguenther@suse.de>
3298
3299         PR lto/46504
3300         * gimple.c (gimple_register_canonical_type): Make sure to only
3301         make type leaders canonical types.
3302
3303 2010-11-17  Michael Matz  <matz@suse.de>
3304
3305         * timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
3306         TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
3307         TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
3308         TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
3309         * tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
3310         (pass_build_ssa): ... but here.
3311         * cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
3312         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
3313         * tree-emutls.c (pass_ipa_lower_emutls): Ditto.
3314         * df-core.c (pass_df_initialize_opt, pass_df_initialize_no_opt): Ditto.
3315         * predict.c (rebuild_frequencies): Ditto.
3316         * tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
3317         * emit-rtl.c (verify_rtl_sharing): Ditto.
3318         * tree-cfgcleanup.c (repair_loop_structures): Ditto.
3319         * tree-ssa-live.c (remove_unused_locals): Ditto.
3320         * cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
3321         * tree-ssa.c (pass_early_warn_uninitialized,
3322         execute_update_addresses_taken, pass_update_address_taken): Ditto.
3323         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3324         pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
3325         * passes.c (pass_postreload, execute_todo): Ditto.
3326         * tree-ssanames.c (pass_release_ssa_names): Ditto.
3327
3328 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
3329
3330         * doc/invoke.texi (-dy): Remove.
3331         * langhooks-def.h (lhd_do_nothing_i): Don't declare.
3332         (LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
3333         * langhooks.c (lhd_do_nothing_i): Remove.
3334         * langhooks.h (lang_hooks.parse_file): Take no arguments.
3335         * toplev.c (set_yydebug): Remove.
3336         (compile_file): Update call to lang_hooks.parse_file.
3337         (decode_d_option): Don't handle -dy.
3338
3339 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
3340
3341         PR rtl-optimization/46440
3342         * combine.c (update_cfg_for_uncondjump): When changing
3343         an indirect jump into unconditional jump, remove BARRIERs
3344         from bb's footer.
3345
3346 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
3347
3348         * opts.c (target_handle_option): Do not assert that loc ==
3349         UNKNOWN_LOCATION.
3350
3351 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
3352             Richard Guenther  <rguenther@suse.de>
3353
3354         PR middle-end/45838
3355         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
3356         call_may_clobber_ref_p_1): Return true for __sync_* and some
3357         OpenMP builtins that act as threading barriers.
3358
3359 2010-11-17  Richard Guenther  <rguenther@suse.de>
3360
3361         PR tree-optimization/46498
3362         * tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.
3363
3364 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3365
3366         * config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
3367         (xtensa_function_arg_boundary): ...this.
3368         * config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
3369         thinko in declaration.
3370         (picochip_function_arg, picochip_arg_partial_bytes): Pass proper
3371         number of parameters to picochip_function_arg_boundary.
3372         (picochip_arg_advance): Likewise.
3373
3374 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3375
3376         PR target/46512
3377         * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
3378         under check for type.
3379
3380 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3381
3382         * ifcvt.c (dead_or_predicable): Fix typo.
3383
3384 2010-11-16  Richard Henderson  <rth@redhat.com>
3385
3386         * config.gcc [s390*-*] (extra_options): Add fused-madd.opt.
3387         * config/s390/s390.opt (mfused-madd): Remove.
3388         * config/s390/s390.c (s390_rtx_costs): Handle FMA.
3389         (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
3390         * config/s390/s390.md (fma<DSF>4): Rename from *fmadd<DSF>; use FMA.
3391         (fms<DSF>4): Rename from *fmsub<DSF>; use FMA.
3392
3393 2010-11-16  Richard Henderson  <rth@redhat.com>
3394
3395         * config.gcc [powerpc*, rs6000*] (extra_options): Add fused-madd.opt.
3396         * config/rs6000/rs6000.opt (mfused-madd): Remove.
3397         * config/rs6000/altivec.md (altivec_vmaddfp): Remove.
3398         (*altivec_vmaddfp_1): Remove.
3399         (*altivec_fmav4sf4): Rename from altivec_vmaddfp_2; use FMA.
3400         (altivec_mulv4sf3): Expand to FMA directly.
3401         (*altivec_vnmsubfp): Rename from altivec_vnmsubfp.
3402         (*altivec_vnmsubfp_1, *altivec_vnmsubfp_2): Remove.
3403         * config/rs6000/paired.md (paired_madds0): Use FMA.
3404         (paired_madds1): Likewise.
3405         (*paired_madd): Rename from paired_madd; use FMA.
3406         (*paired_msub, *paired_nmadd, *paired_nmsub): Similarly.
3407         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
3408         consider TARGET_FUSED_MADD wrt rs6000_recip_control.
3409         (bdesc_3arg): Update CODE_FOR_* for pattern renames.
3410         (rs6000_emit_madd): Use fma_optab.
3411         (rs6000_emit_msub): Use fms_optab.
3412         (rs6000_emit_nmsub): Expand the FMA pattern directly.
3413         * config/rs6000/rs6000.md (FMA_F): New mode iterator.
3414         (*fmasf4_fpr): Rename from fmasf4_fpr.
3415         (*nfmasf4_fpr): Rename from *fnmasf4_fpr.
3416         (*nfmssf4_fpr): Rename from *fnmssf4_fpr.
3417         (*fmaddsf4_powerpc, *fmaddsf4_power, *fmsubsf4_powerpc): Remove.
3418         (*fmsubsf4_power, *fnmaddsf4_powerpc_1, *fnmaddsf4_powerpc_2): Remove.
3419         (*fnmaddsf4_power_1, *fnmaddsf4_power_2, *fnmsubsf4_powerpc_1): Remove.
3420         (*fnmsubsf4_powerpc_2, *fnmsubsf4_power_1, *fnmsubsf4_power_2): Remove.
3421         (*fmadf4_fpr): Rename from fmadf4_fpr.
3422         (*nfmadf4_fpr): Rename from *fnmadf4_fpr.
3423         (*nfmsdf4_fpr): Rename from *fnmsdf4_fpr.
3424         (*fmadddf4_fpr, *fmsubdf4_fpr, *fnmadddf4_fpr_1): Remove.
3425         (*fnmadddf4_fpr_2, *fnmsubdf4_fpr_1, *fnmsubdf4_fpr_2): Remove.
3426         (fmasf4, fmadf4): Macroize into...
3427         (fma<FMA_F>4): ... here.
3428         (fms<FMA_F>4, fnma<FMA_F>4, fnms<FMA_F>4): New.
3429         (nfma<FMA_F>4, nfms<FMA_F>4): New.
3430         * config/rs6000/vector.md (mul<VEC_F>3): Do not depend on
3431         TARGET_FUSED_MADD.
3432         * config/rs6000/vsx.md (vsx_fmadd<VSX_B>4): Remove.
3433         (*vsx_fmadd<mode>4_1): Remove.
3434         (vsx_fmsub<mode>4, *vsx_fmsub<mode>4_1): Remove.
3435         (vsx_fnmadd<mode>4_1, vsx_fnmadd<mode>4_2): Remove.
3436         (vsx_fnmsub<mode>4_1, vsx_fnmsub<mode>4_2): Remove.
3437         (*vsx_fma<mode>4): Rename from vsx_fmadd<mode>4_2.
3438         (*vsx_fms<mode>4): Rename from vsx_fmsub<mode>4_2.
3439         (*vsx_nfma<mode>4): Rename from vsx_fnmadd<mode>4.
3440         (*vsx_nfms<mode>4): Rename from vsx_fnmsub<mode>4.
3441
3442 2010-11-16  Richard Henderson  <rth@redhat.com>
3443
3444         * config/pa/pa.md (fmadf4): Rename from unnamed; use FMA.
3445         (fmasf4, fnmadf4, fnmasf4): Likewise.
3446         (unnamed plus+mult insns and splitters): Delete.
3447
3448 2010-11-16  Richard Henderson  <rth@redhat.com>
3449
3450         * config/spu/spu.md (fma<VSF>4): Rename from fma_<VSF>.
3451         (fnma<VSF>4): Rename from fnms_<VSF>.
3452         (fms<VSF>4): Rename from fms_<VSF>.
3453         (fma<VDF>4): Rename from fma_<VDF>.
3454         (fms<VDF>4): Rename from fms_<VDF>.
3455         (nfma<VDF>4): Rename from fnma_<VDF>.
3456         (nfms<VDF>4): Rename from fnms_<VDF>.
3457         (fnma<VDF>4, fnms<VDF>4): New expanders.
3458         (floatunsdisf2): Update for the renames.
3459         (*div<VSF>3_fast, *div<VSF>3_adjusted): Likewise.
3460         * config/spu/spu-builtins.def: Update CODE_FOR_* for the renames.
3461
3462 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3463
3464         PR rtl-optimization/46490
3465         * combine.c (expand_compound_operation): Fix thinko.
3466
3467 2010-11-16  Richard Henderson  <rth@redhat.com>
3468
3469         PR target/46470
3470         * recog.c (peep2_attempt): Convert frame-related info when possible.
3471         (peep2_fill_buffer): Allow frame-related insns into the buffer.
3472         (peephole2_optimize): Allow peep2_attempt to fail.
3473
3474 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3475
3476         PR rtl-optimization/46315
3477         * rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
3478         * rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
3479         extracted from...
3480         * dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
3481         (remove_reg_equal_equiv_notes_for_defs): ...this.
3482         (delete_unmarked_insns): Adjust to above renaming.
3483         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
3484         referring to registers set in the insns being moved, if any.
3485
3486         * df-core.c (df_ref_dump): New function extracted from...
3487         (df_refs_chain_dump): ...here.  Call it.
3488         (df_regs_chain_dump): Likewise.
3489         * df-problems.c (df_chain_dump): Print 'e' for uses in notes.
3490         * df-scan.c (df_scan_start_dump): Likewise.  Fix long line.
3491
3492 2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>
3493
3494         PR rtl-optimization/46395
3495         * postreload.c (reload_combine): Invalidate register use
3496         information on all control flow insns.
3497
3498         * config/m68k/m68k.c (m68k_delegitimize_address): Also expect
3499         LABEL_REF in UNSPEC operand.
3500
3501 2010-11-16  Jan Hubicka  <jh@suse.cz>
3502
3503         * cgraph.h (+varpool_can_remove_if_no_refs): Move here from ...;
3504         when !flag_toplevel_reorder do not remove unless variable is
3505         COMDAT or ARTIFICIAL.
3506         * ipa.c (varpool_can_remove_if_no_refs): ... here.
3507         (cgraph_remove_unreachable_nodes): Only analyzed nodes needs to stay.
3508         * cgraphunit.c (cgraph_analyze_functions): Dump varpool, too.
3509         * varpool.c (decide_is_variable_needed): Do not handle visibility
3510         issues.
3511         (varpool_finalize_decl): Likewise.
3512         (varpool_remove_unreferenced_decls): Use varpool_mark_needed_node;
3513         update outdated comment on DECL_RTL_SET_P check.
3514
3515 2010-11-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3516
3517         * config/sol2.h (NM_FLAGS): Define.
3518         * doc/tm.texi.in (Macros for Initialization, NM_FLAGS): Document.
3519         * doc/tm.texi: Update.
3520
3521 2010-11-16  Nick Clifton  <nickc@redhat.com>
3522
3523         * config/v850/v850.md (maddsf4): Rename to fmasf4 and use fma rtx_code.
3524         (msubsf4): Rename to fmssf4, and use fma.
3525         (nmaddsf4): Rename to fnmasf4 and use fma.
3526         (nmsubsf4): Rename to fnmssf4 and use fma.
3527
3528 2010-11-16  Joern Rennecke  <amylaar@spamcop.net>
3529
3530         PR target/44762
3531         * config/score/score3.c (score3_return_in_memory): Constify arguments.
3532         (score3_in_small_data_p, score3_function_value): Likewise.
3533         (score3_trampoline_init): Use LCT_NORMAL.
3534         (score3_print_operand): Initialize code as UNKNOWN.
3535         * config/score/predicates.md (score_load_multiple_operation):
3536         Remove unused variable.
3537         (score_store_multiple_operation): Likewise.
3538         * config/score/score7.c (score7_return_in_memory): Constify arguments.
3539         (score7_in_small_data_p, score7_function_value): Likewise.
3540         (score7_trampoline_init): Use LCT_NORMAL.
3541         (score7_print_operand): Initialize code as UNKNOWN.
3542         * config/score/score3.h (score3_return_in_memory): Update prototype.
3543         (score3_in_small_data_p, score3_function_value): Likewise.
3544         * config/score/score-protos.h (score_function_value): Likewise.
3545         * config/score/score7.h (score7_return_in_memory): Update prototype.
3546         (score7_in_small_data_p, score7_function_value): Likewise.
3547         * config/score/score.c (TARGET_PROMOTE_PROTOTYPES): Constify.
3548         (score_return_in_memory, score_pass_by_reference): Constify arguments.
3549         (score_output_mi_thunk, score_function_prologue): Don't return a value.
3550         (score_function_epilogue, score_in_small_data_p): Likewise.
3551         (score_option_override, score_asm_trampoline_template): Likewise.
3552         (score_trampoline_init, score_print_operand): Likewise.
3553         (score_print_operand_address, score_prologue): Likewise.
3554         (score_epilogue, score_call, score_call_value): Likewise.
3555         (score_movsicc, score_movdi, score_zero_extract_andi): Likewise.
3556         (score_function_arg_advance): Likewise. Make static.
3557         (score_asm_file_end): Mark parameter value with ATTRIBUTE_UNUSED.
3558         (score_function_arg, score_legitimate_address_p): Make static.
3559         (score_function_value): Mark parameter func with ATTRIBUTE_UNUSED.
3560         * config/score/score.h (REGNO_REG_CLASS): Cast value to enum reg_class.
3561         * config/score/score-conv.h (UIMM_IN_RANGE, SIMM_IN_RANGE):
3562         Allow (W) == HOST_BITS_PER_WIDE_INT.
3563
3564         PR java/46386
3565         * config/pdp11/t-pdp11 (java/constants.o-warn): Remove.
3566         * config/t-pnt16-warn (java/constants.o-warn): Likewise.
3567
3568 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3569
3570         * config/arc/arc.c: Delete pasto.
3571         * config/pa/pa.c (pa_function_arg_boundary): Add missing comparison.
3572
3573 2010-11-16  Anatoly Sokolov  <aesok@post.ru>
3574
3575         * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS,
3576         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
3577         * config/mn10300/mn10300.c (TARGET_PREFERRED_RELOAD_CLASS,
3578         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
3579         (mn10300_preferred_reload_class,
3580         mn10300_preferred_output_reload_class): New functions.
3581
3582 2010-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3583
3584         * gensupport.c (MNEMONIC_ATTR_NAME, MNEMONIC_HTAB_SIZE): New macros.
3585         (htab_eq_string, add_mnemonic_string, gen_mnemonic_setattr)
3586         (mnemonic_htab_callback, gen_mnemonic_attr): New functions.
3587         (init_rtx_reader_args_cb): Invoke gen_mnemonic_attr.
3588
3589 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3590
3591         * builtins.c (std_gimplify_va_arg_expr): Use
3592         targetm.calls.function_arg_boundary.
3593         * function.c (assign_parms, locate_and_pad_parm): Likewise.
3594         * calls.c (struct arg_data): Update comment.
3595         * defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
3596         * target.def (function_arg_boundary): Define.
3597         * targhooks.h (default_function_arg_boundary): Declare.
3598         * targhooks.c (default_function_arg_boundary): Define.
3599         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
3600         TARGET_FUNCTION_ARG_BOUNDARY.
3601         (FUNCTION_ARG_BOUNDARY): Delete.
3602         (TARGET_FUNCTION_ARG_BOUNDARY): New.
3603         * doc/tm.texi: Regenerate.
3604         * system.h (FUNCTION_ARG_BOUNDARY): Poison.
3605         * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
3606         * config/arc/arc.c (arc_function_arg_boundary): Define.
3607         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3608         * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
3609         * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
3610         * config/arm/arm.c (arm_needs_doubleword_align): Make static.
3611         (arm_function_arg_boundary): Define.
3612         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3613         * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
3614         * config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
3615         * config/frv/frv.c (frv_function_arg_boundary): Make static.
3616         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3617         * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
3618         * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
3619         * config/i386/i386.c (ix86_function_arg_boundary): Make static.
3620         (ix86_compat_function_arg_boundary): Take and return unsigned int.
3621         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3622         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
3623         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
3624         * config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
3625         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3626         * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
3627         * config/m32c/m32c.c (m32c_function_arg_boundary): Define.
3628         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3629         * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
3630         * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
3631         * config/mcore/mcore.c (mcore_function_arg_boundary): Define.
3632         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3633         * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
3634         * config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
3635         * config/mips/mips.c (mips_function_arg_boundary): Make static.
3636         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3637         * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
3638         * config/pa/pa.c (pa_function_arg_boundary): Define.
3639         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3640         * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
3641         * config/picochip/picochip-protos.h
3642         (picochip_get_function_arg_boundary): Delete.
3643         * config/picochip/picochip.c (picochip_get_function_arg_boundary):
3644         Rename to...
3645         (picochip_function_arg_boundary): ...this.  Make static.
3646         (picochip_function_arg, picochip_arg_partial_bytes): Adjust.
3647         (picochip_arg_advance): Adjust.
3648         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3649         * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
3650         * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
3651         * config/rs6000/rs6000.c (function_arg_boundary): Rename to...
3652         (rs6000_function_arg_boundary): ...this.  Make static.
3653         (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
3654         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3655         * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
3656         * config/rx/rx.c (rx_function_arg_boundary): Define.
3657         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3658         * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
3659         * config/sparc/sparc.c (sparc_function_arg_boundary): Define.
3660         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3661         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
3662         * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
3663         * config/xtensa/xtensa.c (function_arg_boundary): Rename to...
3664         (xtensa_function_arg_boundary): ...this.  Make static.
3665         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3666
3667 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3668
3669         * expr.c (alignment_for_piecewise_move): New function.
3670         (widest_int_mode_for_size): New function.
3671         (move_by_pieces, move_by_pieces_ninsns): Call them.
3672         (can_store_by_pieces, store_by_pieces_1): Likewise.
3673
3674 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3675
3676         * gcc.c (char_p): Define.  Define a VEC of it.
3677         (n_linker_options, n_assembler_options, n_preprocessor_options):
3678         Delete.
3679         (linker_options, assembler_options, preprocessor_options): Convert
3680         to a VEC.
3681         (add_preprocessor_option): Adjust.
3682         (add_assembler_option): Adjust.
3683         (add_linker_option): Adjust.
3684         (do_specs_vec): New function.
3685         (do_spec_1): Call it.  Adjust for new types.
3686
3687 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3688
3689         * Makefile.in (bitmap.o, ebitmap.o, et-forest.o): Update dependencies.
3690         (sreal.o, statistics.o, stringpool.o): Likewise.
3691
3692 2010-11-16  Richard Guenther  <rguenther@suse.de>
3693
3694         PR tree-optimization/44545
3695         * tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
3696         statements are not reassociatable.
3697         (reassociate_bb): Likewise.
3698
3699 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3700
3701         * bitmap.c: Delete unnecessary includes.
3702         * ebitmap.c: Likewise.
3703         * et-forest.c: Likewise.
3704         * sreal.c: Likewise.
3705         * statistics.c: Likewise.
3706         * stringpool.c: Likewise.
3707         * double-int.c: Add comment for inclusion of tm.h.
3708
3709 2010-11-16  Richard Guenther  <rguenther@suse.de>
3710
3711         * tree-ssa-sccvn.c (visit_unary_op): Rename to ...
3712         (visit_nary_op): ... this.
3713         (visit_binary_op): Remove.
3714         (visit_use): Adjust and handle GIMPLE_TERNARY_RHS.
3715
3716 2010-11-16  Richard Guenther  <rguenther@suse.de>
3717
3718         PR middle-end/45172
3719         * tree-eh.c (cleanup_empty_eh_unsplit): Avoid creating duplicate edges.
3720
3721 2010-11-16  Nick Clifton  <nickc@redhat.com>
3722
3723         * config/rx/rx.c (rx_is_ms_bitfield_layout): Return false if the
3724         record is packed.
3725
3726 2010-11-15  Richard Henderson  <rth@redhat.com>
3727
3728         * fold-const.c (operand_equal_for_comparison_p): Handle FMA_EXPR,
3729         WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, VEC_COND_EXPR and
3730         DOT_PROD_EXPR.
3731
3732 2010-11-15  Richard Henderson  <rth@redhat.com>
3733
3734         * config/mn10300/mn10300.md (fmasf4, fmssf4, fnmasf4, fnmssf4): Rename
3735         from fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4 respectively.  Use
3736         fma rtx_code.
3737
3738 2010-11-15  Richard Henderson  <rth@redhat.com>
3739
3740         * config/frv/frv.md (fmasf4, fmssf4): Rename from *muladdsf4
3741         and *mulsubsf4 respectively.  Use fma rtx_code.
3742
3743 2010-11-15  Joseph Myers  <joseph@codesourcery.com>
3744
3745         * gcc.c: Include "vec.h".
3746         (argbuf): Make into a VEC.
3747         (argbuf_length, argbuf_index): Remove.
3748         (alloc_args, clear_args, store_arg, execute, insert_wrapper,
3749         do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
3750         compare_debug_dump_opt_spec_function: Use VEC interfaces on argbuf.
3751         * Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
3752         (gcc.o): Depend on $(VEC_H).
3753
3754 2010-11-15  Richard Henderson  <rth@redhat.com>
3755
3756         * loop-unroll.c (analyze_insn_to_expand_var): Accept accumulation
3757         via FMA if unsafe math.
3758         (insert_var_expansion_initialization): Handle FMA.
3759         (combine_var_copies_in_loop_exit): Likewise.
3760
3761 2010-11-15  Richard Henderson  <rth@redhat.com>
3762
3763         * config.gcc [ia64-*] (extra_options): Add fused-madd.opt.
3764         * config/ia64/ia64.opt: Remove mfused-madd.
3765         * config/ia64/ia64.c (ia64_rtx_costs): Handle FP MULT, PLUS, FMA.
3766         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_FUSED_MADD.
3767         * config/ia64/vms64.h (TARGET_DEFAULT): Likewise.
3768         * config/ia64/ia64.h (TARGET_DEFAULT): Likewise.
3769         * config/ia64/hpux.h (TARGET_DEFAULT): Likewise.
3770         * config/ia64/vect.md (addv2sf3, subv2sf3): Generate FMA.
3771         (*addv2sf3_1, *addv2sf3_2, *subv2sf3_1, *subv2sf3_2): Remove.
3772         (fmav2sf4): Rename from fpma; use FMA code.
3773         (fmsv2sf4): Rename from fpms; use FMA code.
3774         (fnmav2sf4): Rename from *fpnma; use FMA code.
3775         * config/ia64/ia64.md (MODE_SDF): New iterator.
3776         (suffix): New mode attribute.
3777         (*maddsf4, *msubsf4, *nmaddsf4): Remove.
3778         (fmssf4): Rename from *fmssf4.
3779         (fnmasf4): Rename from *nfmasf4.
3780         (*madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc): Remove.
3781         (*nmadddf4, *nmadddf4_truncsf): Remove.
3782         (fmsdf4): Rename from *fmsdf4.
3783         (fnmadf4): Rename from *nfmadf4.
3784         (*fmadf_trunc_sf, *fmsdf_trunc_sf, *fnmadf_trunc_sf): New.
3785         (*maddxf4, *maddxf4_truncsf, *maddxf4_truncdf): Remove.
3786         (*msubxf4, *msubxf4_truncsf, *msubxf4_truncdf): Remove.
3787         (*nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf): Remove.
3788         (fmsxf4): Rename from *fmsxf4.
3789         (fnmaxf4): Rename from *nfmaxf4.
3790         (*fmaxf_trunc_<MODE_SDF>, *fmsxf_trunc_<MODE_SDF>): New.
3791         (*fnmaxf_trunc_<MODE_SDF>): New.
3792
3793 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
3794
3795         PR tree-optimization/46461
3796         * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
3797         a gimple val.
3798
3799 2010-11-15  Ian Lance Taylor  <iant@google.com>
3800
3801         * godump.c: New file.
3802         * common.opt (fdump-go-spec=): New option.
3803         * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends.
3804         (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define.
3805         (TYPE_SYMTAB_IS_DIE): Define.
3806         (struct tree_type): Change GTY for symtab field to use
3807         TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field
3808         to pick the union field.
3809         * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field.
3810         (dump_go_spec_init): Declare.
3811         * toplev.c (process_options): Handle flag_dump_go_spec.
3812         * debug.c: Include "tree.h".
3813         (do_nothing_debug_hooks): Set tree_type_symtab_field.
3814         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
3815         * dbxout.c (dbx_debug_hooks): Likewise.
3816         (xcoff_debug_hooks): Likewise.
3817         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3818         * sdbout.c (sdb_debug_hooks): Likewise.  Do not define if
3819         SDB_DEBUGGING_INFO is not defined.
3820         * doc/invoke.texi (Option Summary): Mention -fdump-go-spec.
3821         (Overall Options): Document -fdump-go-spec.
3822         * Makefile.in (OBJS-common): Add godump.o.
3823         (debug.o): Add dependency on $(TREE_H).
3824         (godump.o): New target.
3825         (GTFILES): Add $(srcdir)/godump.c.
3826
3827 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
3828
3829         PR debug/46095
3830         * config/i386/i386.c (pro_epilogue_adjust_stack): Instead of
3831         marking r11 set RTX_FRAME_RELATED_P if offset is too large for
3832         style < 0, add REG_FRAME_RELATED_EXPR.
3833
3834         PR debug/46387
3835         * rtl.h (vt_equate_reg_base_value): New prototype.
3836         * alias.c (vt_equate_reg_base_value): New function.
3837         * var-tracking.c (vt_init_cfa_base): Use it.
3838
3839 2010-11-15  Jan Hubicka  <jh@suse.cz>
3840             Diego Novillo  <dnovillo@google.com>
3841
3842         PR lto/41528
3843         * doc/lto.texi: Add.
3844         * doc/gccint.texi: Add reference to lto.texi.
3845         * doc/invoke.texi: Update user documentation for LTO.
3846         Move internal flags to lto.texi
3847
3848 2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>
3849
3850         * c-typeck.c (build_unary_op): Use
3851         objc_build_incr_expr_for_property_ref to build the pre/post
3852         increment/decrement of an Objective-C property ref, and skip the
3853         lvalue_or_else check in that case.
3854
3855 2010-11-15  Martin Jambor  <mjambor@suse.cz>
3856
3857         PR tree-optimization/46349
3858         * tree-sra.c (contains_bitfld_comp_ref_p): New function.
3859         (contains_vce_or_bfcref_p): Likewise.
3860         (sra_modify_assign): Use them.
3861
3862 2010-11-15  Richard Guenther  <rguenther@suse.de>
3863
3864         PR tree-optimization/46467
3865         * tree-ssa-structalias.c (do_structure_copy): Properly treat
3866         variables without subvars.
3867
3868 2010-11-15  Hariharan Sandanagobalane  <hariharan@picochip.com>
3869
3870         * config/picochip/picochip.c (file header): Picochip name change.
3871         * config/picochip/picochip.md (file header): Likewise.
3872         * config/picochip/predicates.md (file header): Likewise.
3873         * config/picochip/dfa_space.md (file header): Likewise.
3874         * config/picochip/dfa_speed.md (file header): Likewise.
3875         * config/picochip/picochip.h(file header): Likewise.
3876         * config/picochip/constraints.md (file header): Likewise.
3877         * config/picochip/picochip-protos.h (file header): Likewise.
3878         * config/picochip/libgccExtras/setjmp.asm (file header): Likewise.
3879         * config/picochip/libgccExtras/divmodsi4.asm (file header): Likewise.
3880         * config/picochip/libgccExtras/ashlsi3.asm (file header): Likewise.
3881         * config/picochip/libgccExtras/longjmp.asm (file header): Likewise.
3882         * config/picochip/libgccExtras/ashlsi3.c (file header): Likewise.
3883         * config/picochip/libgccExtras/popcounthi2.asm (file header): Likewise.
3884         * config/picochip/libgccExtras/parityhi2.asm (file header): Likewise.
3885         * config/picochip/libgccExtras/udivmodhi4.asm (file header): Likewise.
3886         * config/picochip/libgccExtras/ashrsi3.asm (file header): Likewise.
3887         * config/picochip/libgccExtras/ashrsi3.c (file header): Likewise.
3888         * config/picochip/libgccExtras/ucmpsi2.asm (file header): Likewise.
3889         * config/picochip/libgccExtras/divmodhi4.asm (file header): Likewise.
3890         * config/picochip/libgccExtras/lshrsi3.asm (file header): Likewise.
3891         * config/picochip/libgccExtras/subdi3.asm (file header): Likewise.
3892
3893 2010-11-15  Richard Guenther  <rguenther@suse.de>
3894
3895         PR bootstrap/46474
3896         * tree-ssa-math-opts.c (convert_mult_to_fma): Disregard debug stmts.
3897
3898 2010-11-15  Nick Clifton  <nickc@redhat.com>
3899
3900         * config/stormy16/stormy16.c (direct_return): Do not generate a
3901         direct return for interrupt handlers.
3902
3903 2010-11-15  Joern Rennecke  <amylaar@spamcop.net>
3904
3905         * Makefile.in (tm.texi): Replace with rule for:
3906         ($(srcdir)/doc/tm.texi).
3907         (s-tm-texi): Depend on $(srcdir)/doc/../doc/tm.texi instead of on
3908         $(srcdir)/doc/tm.texi .
3909         (TEXI_GCCINT_FILES): Depend on $(srcdir)/doc/tm.texi instead of on
3910         tm.texi .
3911
3912         PR target/46427
3913         * config/m32r/m32r.c: Remove unused variables frame_size and insn.
3914
3915         PR bootstrap/45444
3916         * config/arm/arm.c (locate_neon_builtin_icode): Initialize key.
3917         (arm_output_asm_insn) Add ATTRIBUTE_PRINTF_4.
3918
3919         PR target/46432
3920         * config/v850/v850.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
3921
3922 2010-11-15  Richard Guenther  <rguenther@suse.de>
3923
3924         PR lto/44150
3925         * lto-opts.c (lto_write_options): Write -fexceptions even if
3926         not set by the user.
3927
3928 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
3929
3930         PR c/46462
3931         * c-decl.c (declspecs_add_type): Make variables with error types
3932         integers.
3933         * c-parser.c (c_parser_next_tokens_start_declaration): Two IDs
3934         do not start a declaration before an Objective-C foreach.
3935         (c_parser_declaration_or_fndef): Improve recovery after unknown
3936         type name.
3937         (c_parser_for_statement): Hoist entrance of "foreach context"
3938         before ifs, add corresponding reset where it was missing.  Do
3939         not set objc_could_be_foreach_context for C.
3940
3941 2010-11-14  Eric Botcazou  <ebotcazou@adacore.com>
3942
3943         PR tree-optimization/45722
3944         * tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
3945         this is a reference to a component.
3946         * ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
3947         (ipa_note_param_call): Adjust comment.
3948
3949 2010-11-14  Richard Sandiford  <rdsandiford@googlemail.com>
3950
3951         * config/mips/mips.c (machine_function): Remove
3952         initialized_mips16_gp_pseudo_p.
3953         (mips16_gp_pseudo_reg): Use cfun->machine->mips16_gp_pseudo_rtx to
3954         detect whether a pseudo has already been created.  Unconditionally
3955         create a new one if not.
3956         (mips_pic_base_register): Only call mips16_gp_pseudo_reg when
3957         expanding to rtl.  Create a new pseudo otherwise, if allowed.
3958
3959 2010-11-13  Richard Earnshaw  <rearnsha@arm.com>
3960
3961         PR target/43440
3962         * tm.texi.in (OVERLAPPING_REGISTER_NAMES): Document new macro.
3963         * tm.texi: Regenerated.
3964         * output.h (decode_reg_name_and_count): Declare.
3965         * varasm.c (decode_reg_name_and_count): New function.
3966         (decode_reg_name): Reimplement using decode_reg_name_and_count.
3967         * reginfo.c (fix_register): Use decode_reg_name_and_count and
3968         iterate over all regs used.
3969         * stmt.c (expand_asm_operands): Likewise.
3970         * arm/aout.h (OVERLAPPING_REGISTER_NAMES): Define.
3971         (ADDITIONAL_REGISTER_NAMES): Remove aliases that overlap
3972         multiple machine registers.
3973
3974 2010-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3975
3976         * stor-layout.c (place_union_field): Do not put location information
3977         on offset expressions.
3978         (place_field): Likewise.
3979         (finalize_record_size): Likewise on size expressions.
3980         (finalize_type_size): Likewise.
3981         (layout_type): Likewise.
3982
3983 2010-11-13  Alexandre Oliva  <aoliva@redhat.com>
3984
3985         PR debug/42889
3986         * df-scan.c (df_insn_rescan): Don't mark BBs upon debug insns.
3987        &n