gcc/ChangeLog

   1 2012-01-21  Georg-Johann Lay  <avr@gjlay.de>
   2
   3         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
   4
   5 2012-01-21  Georg-Johann Lay  <avr@gjlay.de>
   6
   7         * config/avr/avr.md
   8         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
   9         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
  10
  11 2012-01-21  Georg-Johann Lay  <avr@gjlay.de>
  12
  13         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
  14         prototype from here to...
  15         * config/avr/avr.h: ...here.
  16
  17 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
  18
  19         PR target/52294
  20         * thumb2.md (thumb2_shiftsi3_short): Split register and
  21         immediate shifts.  For register shifts tie operands 0 and 1.
  22         (peephole2 for above): Check that register-controlled shifts
  23         have suitably tied operands.
  24
  25 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
  26
  27         PR target/52137
  28         * config/i386/bdver1.md (bdver1_call, bdver1_push,
  29         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
  30         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
  31         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
  32         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
  33         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
  34         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
  35         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
  36         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
  37         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
  38         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
  39         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
  40         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
  41         bdver1_ssevector_avx256_unaligned_load,
  42         bdver1_ssevector_sse128_unaligned_load,
  43         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
  44         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
  45         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
  46         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
  47         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
  48         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
  49         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
  50         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
  51         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
  52         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
  53         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
  54         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
  55         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
  56         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
  57         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
  58         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
  59         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
  60         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
  61         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
  62         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
  63         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
  64         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
  65         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
  66         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
  67         bdver1_ssediv_double_load, bdver1_ssediv_double,
  68         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
  69         Add "bdver2" attribute.
  70
  71 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  72
  73         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
  74         default if possible and not specified otherwise.
  75
  76 2012-02-21  Richard Guenther  <rguenther@suse.de>
  77
  78         PR middle-end/52314
  79         * gimplify.c (create_tmp_from_val): Use the main variant type
  80         for the type of the temporary we create.
  81
  82 2012-02-21  Richard Guenther  <rguenther@suse.de>
  83
  84         PR tree-optimization/52324
  85         * gimplify.c (gimplify_expr): When re-gimplifying expressions
  86         do not gimplify a MEM_REF address operand if it is already
  87         in suitable form.
  88
  89 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  90
  91         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
  92         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
  93
  94 2012-02-21  Richard Guenther  <rguenther@suse.de>
  95
  96         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
  97         nested_in_vect_loop.
  98
  99 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
 100
 101         PR tree-optimization/52318
 102         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
 103         vdef also to non-pure/const call stmts in the sequence.
 104
 105 2012-02-20  David S. Miller  <davem@davemloft.net>
 106
 107         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
 108         don't use the "rd %pc" instruction on v9 for PIC register loads.
 109
 110 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
 111
 112         PR middle-end/52141
 113         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
 114         in a transaction safe function.
 115
 116 2012-02-20  Kai Tietz  <ktietz@redhat.com>
 117
 118         PR target/52238
 119         * stor-layout.c (place_field): Handle desired_align for
 120         ms-bitfields, too.
 121
 122 2012-02-20  Richard Guenther  <rguenther@suse.de>
 123
 124         PR tree-optimization/52298
 125         * tree-vect-stmts.c (vectorizable_store): Properly use
 126         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
 127         outer loops.
 128         (vectorizable_load): Likewise.
 129         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
 130         Access DR_STEP after ensuring it is not NULL.
 131
 132 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
 133
 134         PR tree-optimization/52286
 135         * fold-const.c (fold_binary_loc): For (X & C1) | C2
 136         optimization use double_int_to_tree instead of build_int_cst_wide,
 137         rewrite to use double_int vars.
 138
 139 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 140
 141         PR target/50166
 142         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
 143         Define _start.
 144         Remove -e 0 from $gcc_cv_ld invocation.
 145         Only use __GLIBC_PREREQ if defined.
 146         Enable on Solaris since Solaris 8 patch.
 147         (gcc_SUN_LD_VERSION): New macro.
 148         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
 149         gcc_SUN_LD_VERSION for version number format.
 150         * configure: Regenerate.
 151         * varasm.c (get_elf_initfini_array_priority_section): Set
 152         SECTION_NOTYPE for non-default priority.
 153         Use get_section instead of get_unnamed_section to emit
 154         .init_array/.fini_array with default priority.
 155
 156 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
 157
 158         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
 159         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
 160         (mips_start_unique_function, mips_output_mips16_rdhwr)
 161         (mips_code_end): New functions.
 162         (TARGET_ASM_CODE_END): Define.
 163
 164 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
 165
 166         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
 167         to stubs with non-sibling calls.
 168
 169 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
 170
 171         * doc/invoke.texi (-fira-* options): Copy-edit.
 172         (ira-* parameters): Copy-edit.
 173
 174 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
 175
 176         * doc/invoke.texi: Minor copy-edits to bring into conformance with
 177         GCC coding conventions.
 178
 179 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
 180
 181         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
 182         when used as adjectives.
 183
 184 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
 185
 186         * doc/invoke.texi: Clean up "that"/"which" confusion.
 187
 188 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
 189
 190         * system.h: Poison SMALL_REGISTER_CLASSES
 191         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
 192         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
 193
 194 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 195
 196         PR tree-optimization/52285
 197         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
 198         when deciding if a call is a tail call or tail recursion.
 199
 200 2012-02-16  Kai Tietz  <ktietz@redhat.com>
 201
 202         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
 203         interger-constant displacement for UNSPEC_PCREL.
 204
 205 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR rtl-optimization/52208
 208         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
 209         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
 210
 211         PR tree-optimization/52255
 212         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
 213         loop->header has virtual PHI, but exit_e->dest doesn't, add
 214         virtual PHI to exit_e->dest and adjust all uses after the loop.
 215
 216         PR debug/52260
 217         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
 218         children with clone_tree_hash, not after it.
 219
 220 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
 221
 222         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
 223         extended identifiers.
 224
 225 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 226
 227         PR middle-end/51929
 228         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
 229         a same_body_alias, also test whether e->callee isn't a former
 230         or current clone of the decl this is a same body alias of.
 231
 232         PR translation/52264
 233         * cgraphunit.c (verify_cgraph_node): Fix a typo.
 234
 235 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
 236
 237         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
 238
 239 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 240
 241         PR target/52199
 242         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
 243         force_reg instead of copy_to_reg for better optimization.  Force
 244         non-register or memory operands into a register.
 245
 246 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
 247
 248         * extend.texi: Reserve upper bits of memory model for future use.
 249
 250 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
 251             Anatoly Sokolov <aesok@post.ru>
 252             Eric Weddington <eric.weddington@atmel.com>
 253
 254         PR target/52261
 255         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
 256         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
 257         Rewrite initializers for .macro.
 258         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
 259         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
 260         atxmega32d4, atxmega32x1.
 261         avrxmega4: atxmega64a3, atxmega64d3.
 262         avrxmega5: atxmega64a1, atxmega64a1u.
 263         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
 264         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
 265         avrxmega7: atxmega128a1, atxmega128a1u.
 266         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
 267         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
 268         (struct base_arch_s): Rename reserved to xmega_p.
 269         Rename reserved2 to have_rampd.
 270         (AVR_XMEGA): New define.
 271         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
 272         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
 273         * config/avr/predicates.md (io_address_operand): Take into
 274         account SFR offset.
 275         (low_io_address_operand): Ditto.
 276         (high_io_address_operand): Ditto.
 277         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
 278         (enabled, movhi_sp_r): Use them.
 279         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
 280         cpp_define_formatted to built-in define __AVR_ARCH__.
 281         (__AVR_XMEGA__): New built-in define.
 282         (__AVR_HAVE_RAMPD__): New built-in define.
 283         (__AVR_HAVE_RAMPX__): New built-in define.
 284         (__AVR_HAVE_RAMPY__): New built-in define.
 285         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
 286
 287         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
 288         (avr_option_override): Initialize them.
 289         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
 290         (avr_init_expanders): Initialize them. No more block several calls.
 291         (emit_push_sfr): New static function.
 292         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
 293         Handle AVR_XMEGA.
 294         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
 295         (avr_print_operand): Print addreeses as symbols for
 296         RAMPX, RAMPY, RAMPD, CCP.
 297         (output_movhi): Handle AVR_XMEGA when writing to SP.
 298         (avr_out_movhi_mr_r_xmega): New static function.
 299         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
 300         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
 301         __RAMPD__,  __CCP__ as needed.
 302
 303         * config/avr/multilib.h: Regenerate.
 304         * config/avr/t-multilib: Regenerate.
 305         * config/avr/avr-tables.opt: Regenerate.
 306
 307 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
 308
 309         PR tree-optimization/50561
 310         * graphite-flattening.c (lst_project_loop): Do not
 311         remove old scattering dimensions after flattening.
 312         (lst_do_flatten): Likewise.
 313
 314 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
 315
 316         * doc/extend.texi (AVR Built-in Functions): Remove doc for
 317         __builtin_avr_map8, __builtin_avr_map16.
 318         Document __builtin_avr_insert_bits.
 319
 320         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
 321         (insert_bits): New insn.
 322         (adjust_len.map_bits): Rename to insert_bits.
 323         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
 324         * avr-protos.h (avr_out_map_bits): Remove.
 325         (avr_out_insert_bits, avr_has_nibble_0xf): New.
 326         * config/avr/constraints.md (Cxf,C0f): New.
 327         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
 328         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
 329         New built-in define __BUILTIN_AVR_INSERT_BITS.
 330         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
 331         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
 332         (avr_move_bits): Rewrite.
 333         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
 334         functions.
 335         (avr_map_op_t): New typedef.
 336         (avr_map_op): New static variable.
 337         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
 338         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
 339         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
 340         (bdesc_3arg, avr_expand_triop_builtin): New.
 341         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
 342         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
 343         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
 344         (avr_map_equal_p, avr_map_sig_p): Remove.
 345         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
 346         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
 347         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
 348         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
 349         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
 350         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
 351
 352 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
 353
 354         * config/c6x/c6x.md (reserve_cycles): New attribute.
 355         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
 356         don't reserve functional units after the branch occurs.
 357
 358 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
 359
 360         PR middle-end/52142
 361         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
 362         functions into non-tm_pure functions.
 363
 364 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 365
 366         PR lto/52178
 367         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
 368         (iterative_hash_canonical_type): Likewise.
 369         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
 370         the dead edges.
 371
 372 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
 373
 374         * haifa-sched.c (prune_ready_list): Ensure that if there is a
 375         sched-group insn, it either remains alone or the entire list is
 376         pruned.
 377
 378 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
 379
 380         * doc/install.texi (Prerequisites): Fix grammar.
 381         (Configuration): Likewise.
 382
 383 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
 384
 385         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
 386         MPC as part of GCC before describing configuring with --with-gmp etc.
 387         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
 388         sources are present.
 389
 390 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
 391
 392         PR debug/51950
 393         * dwarf2out.c (clone_tree_hash): New function.
 394         (copy_decls_walk): Use it instead of clone_tree.
 395
 396 2012-02-14  Richard Guenther  <rguenther@suse.de>
 397
 398         PR tree-optimization/52244
 399         PR tree-optimization/51528
 400         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
 401         replacements for integral types.
 402
 403 2012-02-14  Walter Lee  <walt@tilera.com>
 404
 405         * config.gcc: Handle tilegx and tilepro.
 406         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
 407         tilegx and tilepro.
 408         Add HAVE_AS_TLS check for tilegx and tilepro.
 409         * configure: Regenerate.
 410         * doc/contrib.texi: Add Mat Hostetter and self.
 411         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
 412         Document instruction intrinsics and network accessing intrinsics.
 413         (TILEPro Built-in Functions): New node.  Document instruction
 414         intrinsics and network accessing intrinsics.
 415         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
 416         (Specific, tilepro-*-linux*): Likewise.
 417         * doc/invoke.texi (TILE-Gx Options): New section.
 418         (TILEPro Options): New section.
 419         * doc/md.texi (TILE-Gx): New section.
 420         (TILEPro): New section.
 421         * common/config/tilegx/tilegx-common.c: New file.
 422         * common/config/tilepro/tilepro-common.c: New file.
 423         * config/tilegx/constraints.md: New file.
 424         * config/tilegx/linux.h: New file.
 425         * config/tilegx/mul-tables.c: New file.
 426         * config/tilegx/predicates.md: New file.
 427         * config/tilegx/sync.md: New file.
 428         * config/tilegx/t-tilegx: New file.
 429         * config/tilegx/tilegx-builtins.h: New file.
 430         * config/tilegx/tilegx-c.c: New file.
 431         * config/tilegx/tilegx-generic.md: New file.
 432         * config/tilegx/tilegx-modes.def: New file.
 433         * config/tilegx/tilegx-multiply.h: New file.
 434         * config/tilegx/tilegx-protos.h: New file.
 435         * config/tilegx/tilegx.c: New file.
 436         * config/tilegx/tilegx.h: New file.
 437         * config/tilegx/tilegx.md: New file.
 438         * config/tilegx/tilegx.opt: New file.
 439         * config/tilepro/constraints.md: New file.
 440         * config/tilepro/gen-mul-tables.cc: New file.
 441         * config/tilepro/linux.h: New file.
 442         * config/tilepro/mul-tables.c: New file.
 443         * config/tilepro/predicates.md: New file.
 444         * config/tilepro/t-tilepro: New file.
 445         * config/tilepro/tilepro-builtins.h: New file.
 446         * config/tilepro/tilepro-c.c: New file.
 447         * config/tilepro/tilepro-generic.md: New file.
 448         * config/tilepro/tilepro-modes.def: New file.
 449         * config/tilepro/tilepro-multiply.h: New file.
 450         * config/tilepro/tilepro-protos.h: New file.
 451         * config/tilepro/tilepro.c: New file.
 452         * config/tilepro/tilepro.h: New file.
 453         * config/tilepro/tilepro.md: New file.
 454         * config/tilepro/tilepro.opt: New file.
 455
 456 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
 457
 458         PR tree-optimization/52210
 459         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
 460         vect_model_simple_cost with two entry vect_def_type array instead
 461         of an address of dt.
 462
 463 2012-02-14  Richard Guenther  <rguenther@suse.de>
 464
 465         PR lto/52178
 466         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
 467         Do not stream DECL_QUALIFIER.
 468         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
 469         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
 470         (find_decls_types_r): Do not walk DECL_QUALIFIER.
 471
 472 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
 473
 474         PR c/52181
 475         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
 476         newdecl.
 477
 478 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
 479
 480         PR bootstrap/52172
 481         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
 482         * cselib.c (cselib_subst_to_values_from_insn): New function.
 483         * sched-deps.c (add_insn_mem_dependence,
 484         sched_analyze_1, sched_analyze_2): Use it.
 485
 486 2012-02-13  Jan Hubicka  <jh@suse.cz>
 487
 488         PR middle-end/52214
 489         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
 490
 491 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
 492
 493         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
 494         (GTM_SELF_SPECS): Define if not already defined.
 495         (driver_self_specs): Add GTM_SELF_SPECS.
 496         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
 497         (GTM_SELF_SPECS): Define.
 498         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
 499         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
 500
 501 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
 502
 503         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
 504         away if seen.
 505
 506         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
 507         non-NULL.
 508
 509         PR middle-end/52230
 510         * omp-low.c (expand_omp_for): If a static schedule without
 511         chunk size has NULL region->cont, force fd.chunk_size to be
 512         integer_zero_node.
 513
 514 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
 515
 516         PR c/52190
 517         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
 518
 519 2012-02-13  Richard Guenther  <rguenther@suse.de>
 520
 521         PR translation/52211
 522         * passes.c (enable_disable_pass): Fix typo.
 523
 524 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
 525
 526         PR middle-end/52209
 527         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
 528         XOR for reduce_bit_field if type is unsigned.
 529
 530 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
 531
 532         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
 533         disallow changes from SFmode to mode with different size in FP regs.
 534
 535 2012-02-12  Robert Millan  <rmh@gnu.org>
 536             Gerald Pfeifer <gerald@pfeifer.com>
 537
 538         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
 539         Tweak comment.
 540
 541 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
 542
 543         PR rtl-optimization/52175
 544         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
 545         to frame-related instructions.
 546
 547 2012-02-10  Jason Merrill  <jason@redhat.com>
 548
 549         PR c++/51910
 550         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
 551         (demangle_new_symbols): Fill it.
 552         (scan_linker_output): Walk it.
 553         (start_tweaking): Split out from scan_linker_output.
 554         (maybe_tweak): Update sym->chosen.
 555         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
 556
 557 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
 558
 559         PR debug/52132
 560         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
 561         get_true_reg.
 562
 563 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
 564
 565         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
 566         having the same mode as previous compare.
 567
 568 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
 569
 570         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
 571         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
 572         (nonlocal_goto_internal): Likewise.
 573         (nonlocal_goto): Emit a use and an indirect jump directly.
 574
 575 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
 576
 577         PR c/52190
 578         * doc/extend.texi : Update comments for __atomic_compare_exchange and
 579         __atomic_{is,always}_lock_free.
 580
 581 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
 582
 583         PR target/52146
 584         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
 585         negative constant address for x32.
 586
 587 2012-02-10  Richard Henderson  <rth@redhat.com>
 588
 589         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
 590         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
 591         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
 592
 593 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 594             Ira Rosen  <irar@il.ibm.com>
 595
 596         PR tree-optimization/50031
 597         * targhooks.c (default_builtin_vectorization_cost): Handle
 598         vec_promote_demote.
 599         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
 600         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
 601         all types of reduction and pattern statements.
 602         (vect_estimate_min_profitable_iters): Likewise.
 603         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
 604         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
 605         for explicit realigns.
 606         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
 607         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
 608         vec_promote_demote.
 609         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
 610         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
 611         vec_perm for VSX and handle vec_promote_demote.
 612
 613 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
 614
 615         PR middle-end/52177
 616         * builtins.c (fold_builtin_atomic_always_lock_free,
 617         expand_builtin_atomic_always_lock_free,
 618         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
 619         Return and/or test boolean_true_node/boolean_false_node instead of
 620         integer_one_node/integer_zero_node.
 621
 622 2012-02-10  Jan Hubicka  <jh@suse.cz>
 623
 624         PR middle-end/48600
 625         * predict.c (predict_paths_for_bb): Prevent looping.
 626         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
 627
 628 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
 629
 630         * config/arm/arm.c (output_move_double): In one case properly
 631         count number of instructions that will be emitted.
 632
 633 2012-02-10  Richard Guenther  <rguenther@suse.de>
 634
 635         PR translation/52193
 636         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
 637
 638 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
 639
 640         PR middle-end/52140
 641         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
 642
 643 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
 644
 645         PR debug/52165
 646         * var-tracking.c (emit_note_insn_var_location): If
 647         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
 648         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
 649         non-NOTE_DURING_CALL_P insn.
 650
 651 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
 652
 653         PR middle-end/51867
 654         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
 655
 656 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
 657
 658         PR driver/48524
 659         * gcc.c (switch_matches) Support switches with separated form,
 660         -D and -U.
 661
 662 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
 663
 664         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
 665         (SP_ADDR): Ditto.
 666         (RAMPZ_ADDR): Ditto.
 667         * config/avr/avr.c (avr_addr_t): New typedef.
 668         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
 669         (avr_init_expanders): Initialize it.
 670         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
 671         SREG_ADDR.
 672         (expand_epilogue): Ditto.
 673         (avr_print_operand): Ditto.
 674         (avr_file_start): Ditto.
 675         (avr_emit_movmemhi): Ditto.
 676
 677 2012-02-08  Richard Guenther  <rguenther@suse.de>
 678
 679         PR tree-optimization/46886
 680         * tree-flow.h (do_while_loop_p): Declare.
 681         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
 682         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
 683
 684 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
 685
 686         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
 687         always succeed for integers larger than a native word.
 688
 689 2012-02-08  Richard Guenther  <rguenther@suse.de>
 690
 691         PR rtl-optimization/52170
 692         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
 693         properly handle integer vector modes.
 694
 695 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
 696
 697         PR gcov-profile/52150
 698         * coverage.c: Include target.h.
 699         (build_var): Call targetm.strip_name_encoding on the assembler name.
 700         Change one _ into . or $ if the target allows it.
 701         * Makefile.in (coverage.o): Depend on $(TARGET_H).
 702
 703         PR rtl-optimization/52139
 704         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
 705         is a BARRIER after emit_insn_after_noloc, move BB_END
 706         to the last non-BARRIER insn before it.
 707
 708 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
 709
 710         PR middle-end/24306
 711         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
 712         (mips_gimplify_va_arg_expr): Call it instead of
 713         std_gimplify_va_arg_expr.
 714
 715 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 716
 717         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
 718         message for -mno-pointers-to-nested-function.
 719
 720 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
 721
 722         PR middle-end/51994
 723         * expr.c (get_inner_reference): If there is an offset, add a negative
 724         bit position to it (if any).
 725
 726 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 727
 728         PR rtl-optimization/52060
 729         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
 730         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
 731         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
 732         and/or i0src_copy2 when needed.
 733
 734 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 735
 736         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
 737         or LTOPLUGINSONAME if have_c.
 738
 739         * config/freebsd-spec.h: Add comment about what macros can be defined
 740         in this header.
 741         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
 742         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
 743         here instead.
 744
 745 2012-02-07  Richard Guenther  <rguenther@suse.de>
 746
 747         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
 748         newline in -alias dumps.
 749
 750 2012-02-07  Kai Tietz  <ktietz@redhat.com>
 751             Dave Korn  <dave.korn.cygwin@gmail.com>
 752
 753         PR target/40068
 754         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
 755         Take care that typinfo gets dllexport-attribute.
 756
 757 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
 758
 759         PR middle-end/52074
 760         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
 761         if modifier < EXPAND_SUM call force_operand on the result.
 762
 763 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
 764
 765         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
 766         adding __forwarder_dst__ prefix if a forwarder_section attribute is
 767         present.
 768         (epiphany_function_type): Replace types for specific interrupts with
 769         EPIPHANY_FUNCTION_INTERRUPT.
 770         (EPIPHANY_INTERRUPT_P): Update.
 771         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
 772         New static function.
 773         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
 774         <disinterrupt>: Affects type identity.
 775         (epiphany_handle_interrupt_attribute): Handle variable number of
 776         arguments.
 777         (epiphany_compute_function_type): Update for new
 778         epiphany_function_type definition.
 779         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
 780         handlers with a longcall forwarder.
 781         (epiphany_start_function): Handle multiple interrupt arguments and/or
 782         forwarder_section attribute.
 783
 784         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
 785         libgloss.
 786
 787 2012-02-07  Alan Modra  <amodra@gmail.com>
 788
 789         PR target/52107
 790         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
 791         subregs of TFmode.
 792
 793 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 794
 795         PR tree-optimization/50969
 796         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
 797         use vec_perm rather than vector_stmt.
 798         (vect_model_load_cost): Likewise.
 799         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
 800         vec_perm to be the same as other vector statements.
 801         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
 802         cost of vec_perm for TARGET_VSX.
 803
 804 2012-02-06  Richard Guenther  <rguenther@suse.de>
 805
 806         PR tree-optimization/52115
 807         * tree-sra.c (access_has_replacements_p): New function.
 808         (sra_modify_assign): Use it to decide whether a use is uninitialized.
 809
 810 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
 811
 812         PR middle-end/52047
 813         * trans-mem.c (expand_call_tm): Add an assertion.
 814         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
 815         functions.
 816
 817 2012-02-06  Richard Guenther  <rguenther@suse.de>
 818
 819         PR tree-optimization/50955
 820         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
 821         raise cost of expressions that replace an address with an
 822         expression based on a different pointer.
 823
 824 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
 825
 826         PR target/52129
 827         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
 828         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
 829
 830 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
 831
 832         PR c++/48680
 833         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
 834         -Weffc++ and specify guidelines come from second edition.
 835
 836 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 837
 838         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
 839         (sibcall_value_multiple_internal, call_split, call_internal_direct)
 840         (call_direct_split, call_value_split, call_value_internal_direct)
 841         (call_value_direct_split, call_value_multiple_split): Use jal and
 842         jal_macro attributes.
 843
 844 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
 845
 846         * reload1.c (reload_regs_reach_end_p): Replace with...
 847         (reload_reg_rtx_reaches_end_p): ...this function.
 848         (new_spill_reg_store): Update commentary.
 849         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
 850         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
 851         before setting new_spill_reg_store.
 852         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
 853         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
 854         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
 855         for non-spill reload registers.
 856
 857 2012-02-05  Ira Rosen  <irar@il.ibm.com>
 858
 859         PR tree-optimization/52091
 860         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
 861         (vect_is_simple_use_1): Likewise.
 862         * tree-vect-loop.c (vectorizable_reduction): Update calls
 863         to vect_is_simple_use_1 and vect_is_simple_use.
 864         (vectorizable_live_operation): Likewise.
 865         * tree-vect-patterns.c (widened_name_p,
 866         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
 867         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
 868         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
 869         vectorizable_shift,vectorizable_operation, vectorizable_store,
 870         vectorizable_load): Likewise.
 871         (vect_is_simple_cond): Add an argument, pass it to
 872         vect_is_simple_use_1.
 873         (vectorizable_condition): Update calls to vect_is_simple_cond,
 874         vect_is_simple_use.
 875         (vect_is_simple_use): Add an argument, the statement in which
 876         OPERAND is used.  Check that if OPERAND's def stmt is a double
 877         reduction phi node, the use is a phi node too.
 878         (vect_is_simple_use_1): Add an argument, pass it to
 879         vect_is_simple_use.
 880         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
 881         to vect_is_simple_use.
 882
 883 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
 884
 885         PR rtl-optimization/52095
 886         * modulo-sched.c (dump_insn_locator): New function.
 887         (loop_canon_p, sms_schedule): Use it.
 888
 889         PR rtl-optimization/52113
 890         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
 891         even for decomposable shift/zext insns.
 892
 893 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
 894             Zdenek Dvorak  <ook@ucw.cz>
 895
 896         PR rtl-optimization/52092
 897         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
 898         on get_iv_value result.
 899
 900 2012-02-02  Andrew Pinski  <apinski@cavium.com>
 901
 902         PR middle-end/47982
 903         PR middle-end/43967
 904         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
 905
 906 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 907
 908         PR middle-end/48071
 909         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
 910
 911 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
 912
 913         PR rtl-optimization/49800
 914         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
 915         (sched_finish): Call regstat_free_n_sets_and_refs.
 916
 917 2012-02-02  Jia Liu  <proljc@gmail.com>
 918
 919         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
 920         than operand 2.
 921
 922 2012-02-02 Jan Hubicka  <jh@suse.cz>
 923            Tom de Vries  <tom@codesourcery.com>
 924
 925         PR middle-end/51998
 926         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
 927         * varpool.c (varpool_analyze_pending_decls): Likewise.
 928
 929 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
 930             Jayant R Sonar <jayant.sonar@kpitcummins.com>
 931
 932         * config.gcc: Add cr16-* support.
 933
 934         * doc/extend.texi: Document cr16 extensions.
 935         * doc/install.texi: Document cr16 install.
 936         * doc/invoke.texi: Document cr16 options.
 937         * doc/md.texi: Document cr16 constraints.
 938
 939         * common/config/cr16/cr16-common.c: New file.
 940         * config/cr16/cr16.c: New file.
 941         * config/cr16/cr16.h: New file.
 942         * config/cr16/cr16.md: New file.
 943         * config/cr16/cr16.opt: New file.
 944         * config/cr16/cr16-protos.h: New file.
 945         * config/cr16/predicates.md: New file.
 946         * config/cr16/constraints.md: New file.
 947         * config/cr16/t-cr16: New file.
 948
 949 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
 950
 951         PR target/52086
 952         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
 953         that operands[2] is either immediate, or q_regs_operand.
 954
 955         PR tree-optimization/52073
 956         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
 957         a pattern stmt for pattern uses, ignore uses outside of the loop.
 958
 959 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 960
 961         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
 962         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
 963         (OUT_AS1, OUT_AS2): Remove.
 964
 965 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
 966
 967         PR rtl-optimization/51374
 968         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
 969         to cross other volatile_refs_p insns.
 970
 971 2012-02-01  Richard Guenther  <rguenther@suse.de>
 972
 973         * doc/invoke.texi (fno-inline): Clarify documentation.
 974         (finline-small-functions): Likewise.
 975         (finline-functions): Likewise.
 976         * common.opt (finline): Adjust comment and documentation.
 977         (finline-small-functions): Clarify documentation.
 978         (finline-functions): Likewise.
 979         (finline-functions-called-once): Likewise.
 980
 981 2012-02-01  Tristan Gingold  <gingold@adacore.com>
 982
 983         * c-typeck.c (composite_type): Keep mode for pointers.
 984
 985 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
 986
 987         * function.h (regno_reg_rtx): Adjust comment.
 988         * reginfo.c (init_reg_modes_target): Only use the previous mode
 989         if it fits within one register.  Remove MIPS comment.
 990
 991 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
 992
 993         PR bootstrap/52058
 994         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
 995
 996 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 997
 998         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
 999         to srak instruction.
1000
1001 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1002
1003         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1004
1005 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR bootstrap/52041
1008         PR bootstrap/52039
1009         PR target/51974
1010         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1011
1012 2012-01-31  Richard Guenther  <rguenther@suse.de>
1013
1014         PR tree-optimization/51528
1015         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1016         assigns.
1017
1018 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR bootstrap/52041
1021         PR bootstrap/52039
1022         PR target/51974
1023         * ree.c (add_removable_extension): Change def_map argument
1024         to unsigned *, store in def_map 1 + offset into *insn_list vector
1025         instead of pointers into the vector.
1026         (find_removable_extensions): Adjust caller.
1027
1028 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1029
1030         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1031         Transform all "* quoted-c-code" to { c-code }.
1032         Remove redundant test for "optimize" in combine patterns.
1033         Move (include "avr-dimode.md") to end of file.
1034
1035 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1036
1037         PR target/51835
1038         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1039         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1040
1041 2012-01-30  Richard Guenther  <rguenther@suse.de>
1042
1043         PR tree-optimization/52028
1044         * tree-loop-distribution.c (ldist_gen): Properly update
1045         virtual SSA form.
1046
1047 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1048
1049         PR debug/52027
1050         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1051         set_cur_line_info_table if not emitting debug info.
1052
1053         PR tree-optimization/52046
1054         * tree-vect-patterns.c (check_bool_pattern): Give up if
1055         a comparison could throw.
1056
1057         PR debug/52048
1058         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1059
1060 2012-01-30  Richard Guenther  <rguenther@suse.de>
1061
1062         PR tree-optimization/52045
1063         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1064         SSA form if cfgcleanup did anything.
1065
1066 2012-01-30  Richard Guenther  <rguenther@suse.de>
1067
1068         PR tree-optimization/52045
1069         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1070         before computing final todo.
1071
1072 2012-01-30  Richard Guenther  <rguenther@suse.de>
1073
1074         PR tree-optimization/51528
1075         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1076         for PR51528 fix.
1077
1078 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1079
1080         * df-problems.c (df_kill_notes): Check that the use refers
1081         to the note under examination.
1082
1083 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1084
1085         PR target/51920
1086         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1087         parameter and use short-lived pseudos.
1088         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1089         (sparc_expand_vector_init): Const-ify local variables and adjust
1090         calls to above functions.
1091
1092 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1093
1094         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1095
1096 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1097
1098         * doc/invoke.texi: Make usage of "compile time" and
1099         "run time"/"runtime" consistent throughout the file.
1100
1101 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1102
1103         * config/alpha/alpha.c (alpha_option_override): Default to
1104         full IEEE compliance mode for Go language.
1105
1106 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1107
1108         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1109         (LINK_SSP_SPEC): Define.
1110
1111 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1112
1113         PR target/51871
1114         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1115         stubs.
1116
1117 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1118
1119         * doc/invoke.texi: Correct hyphenation of "floating point",
1120         "double precision", and related terminology throughout the file.
1121
1122 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1123
1124         PR target/52006
1125         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1126         arm_general_register_operand predicate for operand 2 instead of
1127         register_operand.
1128
1129 2012-01-27  Ian Lance Taylor  <iant@google.com>
1130
1131         PR go/47656
1132         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1133         * builtins.c (expand_builtin_init_trampoline): Add onstack
1134         parameter.  Change caller.
1135         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1136         * tree.c (build_common_builtin_nodes): Declare
1137         __builtin_init_heap_trampoline.
1138
1139 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1140
1141         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1142         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1143         * config/avr/avr.c: Ditto.
1144         (avr_regnames): Remove because unused.
1145         * config/avr/avr.md (*cpse.ne): New peephole.
1146         (*cpse.eq): New peephole from former cpse peepholes.
1147
1148 2012-01-27  Michael Eager  <eager@eagercon.com>
1149
1150         * config/microblaze.c (microblaze_emit_compare): Correct
1151         test after pcmp instruction.
1152
1153 2012-01-27  Richard Guenther  <rguenther@suse.de>
1154
1155         PR tree-optimization/52020
1156         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1157
1158 2012-01-27  Richard Guenther  <rguenther@suse.de>
1159
1160         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1161         function non-const/pure.
1162
1163 2012-01-27  Richard Guenther  <rguenther@suse.de>
1164
1165         PR tree-optimization/50444
1166         * tree-sra.c (build_ref_for_offset): Properly adjust the
1167         MEM_REF type for unaligned accesses.
1168
1169 2012-01-27  Richard Guenther  <rguenther@suse.de>
1170
1171         PR tree-optimization/50444
1172         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1173         (expand_assignment): Use it.  Properly handle misaligned
1174         bases when expanding stores to component references.
1175         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1176         refactor that case.
1177
1178 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1179
1180         PR middle-end/51389
1181         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1182         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1183         * tree-data-ref.c (find_data_references_in_loop): Make static.
1184         (compute_all_dependences): Change return type to bool.  Bail out
1185         for too many datarefs in a loop.  Move the hunk resetting the data
1186         dependences vector from ...
1187         (compute_data_dependences_for_loop): ... here.  Account for
1188         compute_all_dependences returning false.
1189         (compute_data_dependences_for_bb): Likewise.
1190         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1191         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1192
1193 2012-01-27  Richard Guenther  <rguenther@suse.de>
1194
1195         PR middle-end/51959
1196         * expr.c (store_field): Use the alias-set of the scratch memory
1197         for storing to it.
1198
1199 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1200
1201         PR tree-optimization/51990
1202         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1203         WITH_SIZE_EXPR.
1204         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1205
1206 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR debug/52001
1209         * var-tracking.c (reverse_op): Don't add any reverse operation
1210         if V already has any constant locations.
1211
1212 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1213
1214         * doc/invoke.texi: Correct usage of "command line" (noun)
1215         vs "command-line" (adjective) throughout.
1216
1217 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1218
1219         * doc/invoke.texi (Language Independent Options): Move
1220         -Wcoverage-mismatch blurb from here....
1221         (Warning Options): ...to here.
1222
1223 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1224
1225         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1226         Set rs6000_always_hint to false for 476.
1227
1228 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1229
1230         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1231           system root.
1232         * incpath.c (add_standard_paths): Likewise.
1233
1234 2012-01-27  Richard Henderson  <rth@redhat.com>
1235
1236         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1237         * config/m68k/sync.md (atomic_test_and_set): Rename from
1238         sync_test_and_setqi and adjust the operands.
1239         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1240         and unconditionally enable.
1241
1242 2012-01-27  Richard Henderson  <rth@redhat.com>
1243
1244         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1245         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1246         (ldstub): Rename from ldstubqi.
1247         (ldstub<I24MODE>): Remove.
1248
1249 2012-01-27  Richard Henderson  <rth@redhat.com>
1250
1251         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1252         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1253         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1254         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1255         * doc/tm.texi: Rebuild.
1256
1257 2012-01-27  Richard Henderson  <rth@redhat.com>
1258
1259         * optabs.c (gen_atomic_test_and_set): Remove default.
1260         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1261
1262 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1263
1264         PR rtl-optimization/51978
1265         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1266         (combine_reaching_defs): Likewise.
1267         (struct re_info): Remove.
1268         (add_removable_extension): Remove x and data arguments,
1269         add insn, insn_list and def_map.  Use the arguments directly
1270         instead of using struct re_info.
1271         (find_removable_extensions): Don't call add_removable_extension
1272         through note_stores, instead just call it with single_set
1273         result if non-NULL.
1274         (find_and_remove_re): Pass curr_cand->expr instead of
1275         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1276
1277 2012-01-26  Michael Matz  <matz@suse.de>
1278
1279         PR tree-optimization/46590
1280         * cfgexpand.c: Revert last change (r183305).
1281         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1282         regs.
1283         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1284         checking for emptiness.
1285
1286 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1287
1288         PR middle-end/51895
1289         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1290         non-addressable non-BLKmode base correctly.
1291
1292 2012-01-26  Michael Matz  <matz@suse.de>
1293
1294         PR tree-optimization/48794
1295         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1296         regions referenced from RESX/EH_DISPATCH.
1297
1298 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1299
1300         * config/s390/s390.h: Make BRANCH_COST an option.
1301         * config/s390/s390.opt: New option -mbranch-cost.
1302
1303 2012-01-26  Richard Henderson  <rth@redhat.com>
1304
1305         Revert 2012-01-24 change:
1306         * trans-mem.c (requires_barrier): Do not instrument thread local
1307         variables and emit save/restore for them.
1308
1309 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1310
1311         PR middle-end/51986
1312         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1313         for pat == 0.
1314
1315 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1316
1317         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1318         ASM_OPERANDS.
1319
1320 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1321
1322         PR target/49868
1323         Rename __pgm to __flash.
1324         Rename __pgm1 to __flash1.
1325         Rename __pgm2 to __flash2.
1326         Rename __pgm3 to __flash3.
1327         Rename __pgm4 to __flash4.
1328         Rename __pgm5 to __flash5.
1329         Rename __pgmx to __memx.
1330         * doc/extend.texi (AVR Named Address Spaces)
1331         Rename address space names as indicated above.
1332         * config/avr/avr.c (avr_addrspace): Ditto.
1333
1334         * config/avr/avr-protos.h
1335         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1336         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1337         * config/avr/predicates.md: Ditto.
1338         * config/avr/avr.c Ditto, and
1339         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1340         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1341
1342         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1343         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1344         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1345         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1346         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1347         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1348         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1349         * config/avr/avr.c: Ditto.
1350         * config/avr/avr.md: Ditto.
1351
1352 2012-01-25  Jason Merrill  <jason@redhat.com>
1353
1354         PR c++/51992
1355         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1356
1357 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1358
1359         PR tree-optimization/51987
1360         * tree-data-ref.c (get_references_in_stmt): Handle references in
1361         non-volatile GIMPLE_ASM.
1362
1363 2012-01-25  Richard Guenther  <rguenther@suse.de>
1364
1365         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1366         bases are dereferenced.
1367
1368 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1369
1370         PR rtl-optimization/48374
1371         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1372
1373 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1374
1375         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1376         compute_data_dependences_for_loop returns false.
1377         * tree-parloops.c (loop_parallel_p): Likewise.
1378
1379 2012-01-25  Richard Guenther  <rguenther@suse.de>
1380
1381         * tree.h (get_pointer_alignment_1): Declare.
1382         * builtins.c (get_pointer_alignment_1): New function.
1383         (get_pointer_alignment): Use it.
1384
1385 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1386
1387         PR rtl-optimization/48308
1388         * combine.c (enum undo_kind): Add UNDO_LINKS.
1389         (struct undo): Add member l to other_contents and where.
1390         (do_SUBST_LINK): New.
1391         (SUBST_LINK): New.
1392         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1393         (undo_all): Handle UNDO_LINKS.
1394
1395 2012-01-25  Richard Henderson  <rth@redhat.com>
1396
1397         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1398         mem inputs.
1399
1400 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1401
1402         * optabs.c (gen_atomic_test_and_set): Use each argument.
1403
1404 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1405
1406         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1407         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1408         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1409         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1410         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1411         TARGET_PAIRED_SINGLE_FLOAT.
1412
1413 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1414
1415         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1416         (in_struct, return_val): Remove MEM documentation.
1417         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1418         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1419         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1420         and MEM_SCALAR.
1421         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1422         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1423         * expr.c (store_field): Likewise.
1424         * function.c (assign_stack_temp_for_type): Likewise.
1425         * ifcvt.c (noce_try_cmove_arith): Likewise.
1426         * reload1.c (reload): Likewise.
1427         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1428         (alpha_set_memflags): Likewise.
1429         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1430
1431 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1432
1433         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1434         parameter.
1435         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1436         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1437         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1438         varies parameter.
1439         * cselib.c (cselib_rtx_varies_p): Delete.
1440         (cselib_invalidate_mem): Update call to canon_true_dependence.
1441         * dse.c (record_store, check_mem_read_rtx): Likewise.
1442         (scan_reads_nospill): Likewise.
1443         * cse.c (check_dependence): Likewise.
1444         (cse_rtx_varies_p): Delete.
1445         * expr.c (safe_from_p): Update call to true_dependence.
1446         * ira.c (validate_equiv_mem_from_store): Likewise.
1447         (memref_referenced_p): Likewise.
1448         * postreload-gcse.c (find_mem_conflicts): Likewise.
1449         * sched-deps.c (sched_analyze_2): Likewise.
1450         * store-motion.c (load_kills_store): Likewise.
1451         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1452         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1453         (compute_transp): Update call to canon_true_dependence.
1454
1455 2012-01-25  Richard Henderson  <rth@redhat.com>
1456
1457         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1458         (maybe_emit_atomic_test_and_set): New.
1459         (expand_sync_lock_test_and_set): Use it.
1460         (expand_atomic_test_and_set): Likewise.
1461         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1462         the implementation; clarify implementation defined details.
1463         * doc/md.texi (atomic_test_and_set): Document.
1464
1465 2012-01-25  Richard Henderson  <rth@redhat.com>
1466
1467         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1468
1469 2012-01-25  Richard Henderson  <rth@redhat.com>
1470
1471         PR target/51968
1472         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1473         to effect no-op split.
1474
1475 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1476
1477         PR lto/51698
1478         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1479         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1480         (BT_FN_VOID_PTR_INT_SIZE): New.
1481         (BT_FN_UINT_UINT_VAR): Remove.
1482         (BT_FN_UINT32_UINT32_VAR): New.
1483         (BT_FN_DOUBLE_VPTR): Remove.
1484         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1485
1486         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1487         (_ITM_changeTransactionMode): Same.
1488         (_ITM_memmoveRtWt): Change return type to void.
1489         (_ITM_memcpyRtWt): Same.
1490         (_ITM_memsetW): Same.
1491         (_ITM_RaRD): Change types to double.
1492         (_ITM_RD): Same.
1493         (_ITM_RaWD): Same.
1494         (_ITM_RfWD): Same.
1495
1496         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1497
1498 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1499             Patrick Marlier  <patrick.marlier@gmail.com>
1500
1501         * trans-mem.c (requires_barrier): Do not instrument thread local
1502         variables and emit save/restore for them.
1503
1504 2012-01-24  Jason Merrill  <jason@redhat.com>
1505
1506         PR c++/51812
1507         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1508         output static aliases.
1509
1510 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1511
1512         PR driver/47249
1513         * common.opt (-pie, -shared, pie, shared): Change from Common to
1514         Driver.
1515         * gcc.c (display_help): Display help for -pie and -shared.
1516
1517 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1518
1519         PR target/49868
1520         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1521         Remove note on size/offset limitation.
1522         (AVR Variable Attributes): Add example how to read data located
1523         with progmem.  Refer to named address spaces.
1524         * doc/invoke.texi (AVR Options): Fix typo.
1525
1526 2012-01-24  Richard Guenther  <rguenther@suse.de>
1527
1528         Forward-port to trunk
1529         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1530
1531         PR middle-end/45678
1532         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1533         op0 isn't sufficiently aligned and there is movmisalignM
1534         insn for mode, use it to load op0 into a temporary register.
1535
1536 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1537
1538         PR target/51957
1539         * target.def (const_not_ok_for_debug_p): New hook.
1540         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1541         documentation.
1542         * doc/tm.texi: Regenerated.
1543         * dwarf2out.c (const_ok_for_output_1): If
1544         targetm.const_not_ok_for_debug_p returns true, fail.
1545         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1546         function.
1547         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1548
1549 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1550
1551         PR target/51900
1552         * config/i386/predicates.md (symbolic_operand): Allow
1553         UNSPEC_PCREL as PIC expression for lea.
1554         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1555         * config/i386/i386.c (ix86_delegitimize_address): Handle
1556         UNSPEC_PCREL for none-MEM, too.
1557
1558 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1559
1560         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1561         (ipa_tm_create_version_alias): Same.
1562
1563 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1564
1565         PR libitm/51830
1566         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1567         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1568
1569 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1570             Patrick Marlier  <patrick.marlier@gmail.com>
1571             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1572
1573         PR lto/51916
1574         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1575         simple_object_start_read.
1576
1577 2012-01-23  Richard Guenther  <rguenther@suse.de>
1578
1579
1580         PR tree-optimization/51895
1581         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1582         parameter decomposition into BLKmode components.
1583
1584 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1585
1586         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1587         fake variables for restrict-qualified pointers whose pointed-to type
1588         contains a placeholder.
1589
1590 2012-01-23  Richard Guenther  <rguenther@suse.de>
1591
1592         PR tree-optimization/51949
1593         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1594
1595 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR rtl-optimization/51933
1598         * ree.c (transform_ifelse): Return true right away if dstreg is
1599         already wider or equal to cand->mode.
1600         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1601         (make_defs_and_copies_lists): Remove defs_list and copies_list
1602         arguments, add state argument, just truncate state->work_list
1603         instead of always allocating and freeing the vector.  Assert that
1604         get_defs succeeds instead of returning 2.  Changed return type to bool.
1605         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1606         have ext_src_mode, see if it has been modified already with the
1607         right kind of extension and has been extended before from the
1608         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1609         just return true.  Remember the original mode in state->modified array.
1610         (combine_reaching_defs): Add state argument.  Don't allocate and
1611         free here def_list, copied_list and vec vectors, instead just
1612         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1613         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1614         Add state variable, clear vectors in it, initialize state.modified
1615         if needed.  Free all the vectors at the end and state.modified too.
1616         Don't skip a candidate if the extension expression has been modified.
1617
1618 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1619
1620         PR target/47096
1621         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1622          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1623         (extra_options) interix.opt -> i386/interix.opt"
1624         (extra_objs):Add winnt-stubs.o
1625         * configure.ac: Add interix to target_os .comm on PE check.
1626         * configure: Regenerate.
1627         * config/interix3.h: Delete and move bits to..
1628         * config/interix.h: Delete and move bits to..
1629         * config/i386/i386-interix3.h: Delete and move bits to..
1630         * config/i386/i386-interix.h: ..here.
1631         (TARGET_CPU_DEFAULT): Remove redefinition.
1632         (TARGET_ASM_CONSTRUCTOR): Undefine.
1633         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1634         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1635         (PTRDIFF_TYPE): Define.
1636         (LONG_DOUBLE_TYPE_SIZE): Define.
1637         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1638         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1639         (TARGET_SECTION_TYPE_FLAGS): Define.
1640         (ASM_DECLARE_FUNCTION_NAME): Define.
1641         (ASM_OUTPUT_EXTERNAL): Define.
1642         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1643         (ASM_OUTPUT_ALIGNED_BSS): Define.
1644         (PCC_BITFIELD_TYPE_MATTERS): Define.
1645         (USE_CONST_SECTION): Define.
1646         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1647         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1648         (SUPPORTS_ONE_ONLY): Remove.
1649         (I386_PE_STRIP_ENCODING): Define.
1650         * config/interix.opt: Delete and move bits to..
1651         * config/i386/interix.opt: ..here. New.
1652         (mpe-aligned-commons): Add.
1653         * config/i386/t-interix: Add copyright header.
1654         (winnt-stubs.o): Add rule.
1655
1656 2012-01-22  Jason Merrill  <jason@redhat.com>
1657
1658         PR c++/51832
1659         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1660         for extra name aliases.
1661
1662 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1663
1664         PR rtl-optimization/51924
1665         * ree.c (combine_set_extension): Improve debugging message.
1666         (combine_reaching_defs): Likewise.
1667         (get_defs): Rename confusingly named variable.
1668         (find_and_remove_re): Skip a candidate if the extension expression has
1669         been modified.
1670
1671 2012-01-21  Robert Millan  <rmh@gnu.org>
1672             Gerald Pfeifer  <gerald@pfeifer.com>
1673
1674         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1675         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1676
1677 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR tree-optimization/51914
1680         * tree-vect-stmts.c (vectorizable_conversion): For
1681         cvt_type && modifier == WIDEN, put temporary with cvt_type
1682         at the beginning of vec_dsts and set vec_dest to temporary
1683         with vectype_out.
1684
1685 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1686
1687         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1688
1689 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1690
1691         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1692         * config/rs6000/rs6000.c: Likewise.
1693
1694 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1695
1696         PR target/51915
1697         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1698         output_move_double on a copy of operands array.
1699
1700 2012-01-20  Cary Coutant  <ccoutant@google.com>
1701             Dodji Seketeli  <dodji@redhat.com>
1702
1703         PR debug/45682
1704         * dwarf2out.c (copy_declaration_context): Return ref to parent
1705         of declaration DIE, if necessary.
1706         (remove_child_or_replace_with_skeleton): Add new parameter; update
1707         caller.  Place skeleton DIE under parent DIE of original declaration.
1708         Move call to copy_declaration_context to here ...
1709         (break_out_comdat_types): ... from here.
1710
1711 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1712
1713         PR rtl-optimization/51856
1714         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1715         flag to reloaded.
1716
1717 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1718
1719         PR target/51819
1720         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1721         hints for neon loads and stores.
1722
1723 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1724
1725         PR target/49868
1726         PR target/50887
1727         * doc/extend.texi (Named Address Spaces): Split into subsections.
1728         (AVR Named Address Spaces): New subsection.
1729         (M32C Named Address Spaces): New subsection.
1730         (RL78 Named Address Spaces): New subsection.
1731         (SPU Named Address Spaces): New subsection.
1732         (Variable Attributes): New anchor "AVR Variable Attributes".
1733         (AVR Variable Attributes): Rewrite and avoid wording
1734         "address space" in this context.
1735         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1736         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1737         (AVR Built-in Macros): New subsubsection therein.
1738         * doc/md.texi (AVR constraints): Remove "C04", "R".
1739
1740 2012-01-20  Richard Guenther  <rguenther@suse.de>
1741
1742         PR tree-optimization/51903
1743         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1744         when removing stmts.
1745
1746 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1747
1748         PR target/50313
1749         * config/arm/arm.c (arm_load_pic_register): Use
1750         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1751         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1752         (arm_pic_static_addr): Likewise.
1753         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1754         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1755         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1756         (pic_load_addr_unified): New.
1757
1758 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1759
1760         PR target/51106
1761         * function.c (instantiate_virtual_regs_in_insn): Use
1762         delete_insn_and_edges when removing a wrong asm insn.
1763
1764 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1765
1766         PR rtl-optimization/40761
1767         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1768         Add new member loop_num.
1769         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1770         (ira_build): Remove the parameter.
1771
1772         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1773         (ira.c): Do not build CFG loops for one region allocation.  Remove
1774         argument from ira_build call.
1775
1776         * ira-build.c (init_loop_tree_node): New function.
1777         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1778         loops are not built.
1779         (more_one_region_p): Check current_loops.
1780         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1781         built.
1782         (add_loop_to_tree): Process loop equal to NULL too.
1783         (form_loop_tree): Separate the case when CFG loops are not built.
1784         Use explicitly number for the root.
1785         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1786         an assertion.
1787         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1788         instead of loop->num.
1789         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1790         (mark_all_loops_for_removal): Ditto.
1791         (remove_unnecessary_regions): Separate the case when CFG loops
1792         are not built.
1793         (ira_build): Remove the parameter.  Use explicit number of regions
1794         when CFG loops are not built.
1795
1796         * ira-color.c (print_loop_title): Separate the case for the root node.
1797         Use loop_num instead of loop->num.
1798         (move_spill_restore): Use loop_num instead of loop->num.
1799
1800         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1801         (change_loop): Ditto.
1802         (change_loop): Use loop_num instead of loop->num.
1803
1804         * ira-lives.c (process_bb_node_lives): Ditto.
1805
1806         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1807
1808         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1809
1810 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1811
1812         PR libmudflap/40778
1813         * tree-mudflap.c (mf_artificial): New function.
1814         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1815         mx_register_decls, mudflap_enqueue_decl): Use it.
1816
1817         PR target/51876
1818         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1819         numbers in the insn pattern.
1820
1821 2012-01-19  Michael Matz  <matz@suse.de>
1822
1823         PR tree-optimization/46590
1824         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1825         use it in remembering which conflicts we already created.
1826         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1827         bitmap.
1828
1829 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1830
1831         PR lto/51280
1832         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1833         (merge_and_complain): Same.
1834
1835 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1836
1837         PR bootstrap/50237
1838         * config/initfini-array.h: Guard content of the header
1839         with #ifdef HAVE_INITFINI_ARRAY.
1840         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1841         Add initfini-array.h to tm_file here.
1842         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1843         * config.gcc: Don't add initfini-array.h to tm_file here.
1844         * configure: Regenerated.
1845
1846 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1847
1848         PR rtl-optimization/51505
1849         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1850         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1851         (df_note_bb_compute): Update the call to df_kill_notes.
1852
1853 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1854
1855         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1856
1857 2012-01-18  Richard Guenther  <rguenther@suse.de>
1858
1859         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1860         of conversions to void *.
1861
1862 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1863             Richard Sandiford  <rdsandiford@googlemail.com>
1864
1865         PR middle-end/50325
1866         PR middle-end/51192
1867         * optabs.h (simplify_expand_binop): Declare.
1868         * optabs.c (simplify_expand_binop): Make global.
1869         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1870         endian targets if the source cannot be exactly covered by word
1871         mode chunks.
1872
1873 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1874
1875         PR bootstrap/51872
1876         * hard-reg-set.h (struct hard_reg_set_container): New type.
1877         * target.h (struct hard_reg_set_container): Forward declare.
1878         * target.def (set_up_by_prologue): New target hook.
1879         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1880         * doc/tm.texi: Regenerated.
1881         * function.c (thread_prologue_and_epilogue_insns): Change
1882         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1883         Call targetm.set_up_by_prologue on it.
1884         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1885         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1886
1887 2012-01-17  Nick Clifton  <nickc@redhat.com>
1888
1889         * config/rx/rx.c (rx_can_use_simple_return): New function.
1890         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1891         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1892
1893 2012-01-17  Richard Guenther  <rguenther@suse.de>
1894
1895         PR middle-end/51782
1896         * expr.c (expand_assignment): Take address-space information
1897         from the address operand of MEM_REF and TARGET_MEM_REF.
1898         (expand_expr_real_1): Likewise.
1899
1900 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1901
1902         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1903         reload dump is requested.
1904
1905 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1906
1907         PR other/51165
1908         * trans-mem.c (requires_barrier): Call may_be_aliased.
1909
1910 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1911
1912         PR tree-optimization/51877
1913         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1914         call arguments and fndecls compare equal, instead return false if they
1915         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1916         both SSA_NAMEs that are valueized the same, or they satisfy
1917         operand_equal_p.
1918
1919 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1920
1921         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1922         Solaris 11+.
1923         * configure: Regenerate.
1924
1925 2012-01-16  Jan Hubicka  <jh@suse.cz>
1926
1927         PR c/12245
1928         PR c++/14179
1929         * convert.c (convert_to_integer): Use fold_convert for
1930         converting an INTEGER_CST to integer type.
1931
1932 2012-01-16  Jason Merrill  <jason@redhat.com>
1933
1934         PR c++/14179
1935         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1936
1937 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR bootstrap/51860
1940         * config/s390/s390.c (s390_chunkify_start): Don't skip
1941         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1942         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1943         If insn is followed by NOTE_INSN_VAR_LOCATION or
1944         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1945         Don't use location of note insns.
1946
1947         PR tree-optimization/51865
1948         * tree-inline.c (tree_function_versioning): Call remap_decl
1949         on DECL_RESULT whenever it has VOID_TYPE_P type.
1950
1951 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1952
1953         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1954         for calls to locally-binding MIPS16 functions if only the return
1955         type uses float regs.
1956
1957 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1958             Richard Sandiford  <rdsandiford@googlemail.com>
1959
1960         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1961         (SYMBOL_32_HIGH): Likewise.
1962         (mips_output_tls_reloc_directive): Declare.
1963         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1964         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1965         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1966         (mips_lo_relocs, mips_hi_relocs): Make extern.
1967         (mips16_stub_function): Move up file.
1968         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1969         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1970         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1971         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1972         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1973         (mips_get_tp): Add MIPS16 support.
1974         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1975         Generalize DTPREL and TPREL handling.
1976         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1977         Add MIPS16 TLS support.
1978         (mips_output_tls_reloc_directive): New function.
1979         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1980         * config/mips/predicates.md (symbolic_operand_with_high)
1981         (tls_reloc_operand): New predicates.
1982         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1983         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1984         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1985         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1986         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1987         (*tls_get_tp_mips16_call_<mode>): Likewise.
1988
1989 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1990
1991         PR rtl-optimization/51821
1992         * recog.c (peep2_find_free_register): Determine clobbered registers
1993         from insn pattern.
1994
1995 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1996
1997         PR target/50925
1998         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1999         * config/avr/avr.c: Likewise.
2000         * config/avr/avr.h: Likewise.
2001
2002 2012-01-13  Ian Lance Taylor  <iant@google.com>
2003
2004         PR c++/50012
2005         * tree.h (TYPE_QUALS): Add cast to int.
2006         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2007
2008 2012-01-13  Ian Lance Taylor  <iant@google.com>
2009
2010         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2011         comparing param_index to VEC_length result.
2012
2013 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2014
2015         * c-decl.c: Do not include tree-mudflap.h
2016         * tree-optimize.c: Likewise.
2017         * Makefile.in: Update dependencies.
2018
2019 2012-01-13  Richard Guenther  <rguenther@suse.de>
2020
2021         PR middle-end/8081
2022         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2023         variable-sized result always use RSO.
2024
2025 2012-01-12  DJ Delorie  <dj@redhat.com>
2026
2027         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2028         pointer type, not just the default pointer type.
2029
2030 2012-01-09  Richard Henderson  <rth@redhat.com>
2031             Denis Chertykov  <chertykov@gmail.com>
2032
2033         PR target/50925
2034         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2035         * config/avr/avr.c (avr_can_eliminate): Simplify.
2036         (avr_initial_elimination_offset): Likewise.
2037         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2038         (expand_epilogue): Likewise.
2039         (avr_legitimize_address): Gut.
2040         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2041         (avr_hard_regno_nregs): New.
2042         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2043         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2044         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2045         add soft frame pointer.
2046         (CALL_USED_REGISTERS): Likewise.
2047         (REG_CLASS_CONTENTS): Likewise.
2048         (REGISTER_NAMES): Likewise.
2049         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2050         (HARD_FRAME_POINTER_REGNUM): New.
2051         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2052         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2053         remove the HARD_FRAME_POINTER self-elimination.
2054
2055 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2056
2057         PR target/51756
2058         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2059         DECL_EXTERNAL when checking for initializers of progmem variables.
2060
2061 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2062
2063         PR tree-optimization/51799
2064         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2065         that the last operation is a type demotion.
2066
2067 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2068
2069         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2070         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2071
2072 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR bootstrap/51796
2075         * combine.c (distribute_notes): If i3 is a noreturn call,
2076         allow old_size to be equal to args_size and make sure the
2077         noreturn call gets REG_ARGS_SIZE note.
2078         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2079         on noreturn calls even when the delta is 0.
2080
2081 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2082
2083         * gcov.c (STRING_SIZE): Remove.
2084         (generate_results): Erase annotations for source files with no
2085         coverage information.
2086         (read_line): New.
2087         (output_lines): Use it.
2088
2089 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2090
2091         * gimple.h (gimplify_body): Remove first argument.
2092         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2093         pointer set here, instead just pass DATA to walk_tree.
2094         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2095         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2096         (unvisit_body): Likewise, but with unmark_visited.
2097         (gimplify_body): Remove BODY_P argument and adjust.
2098         (gimplify_function_tree): Adjust call to gimplify_body.
2099         * omp-low.c (finalize_task_copyfn): Likewise.
2100
2101 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2102
2103         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2104         (build_function_type_skip_args): Delete.
2105         * tree.c (build_function_type_skip_args): Make static and add
2106         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2107         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2108         pass it to build_function_type_skip_args.
2109         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2110         (tree_function_versioning): Likewise.
2111         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2112         build_function_decl_skip_args.
2113         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2114         and pass it to build_function_decl_skip_args/tree_function_versioning.
2115         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2116         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2117         * trans-mem.c (ipa_tm_create_version): Likewise.
2118         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2119         * tree-inline.c (declare_return_variable): Remove always-true test.
2120         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2121         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2122         * ipa-split.c (split_function): Skip the return value for the split
2123         part if it doesn't return.
2124
2125 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2126
2127         PR tree-optimization/49642
2128         * ipa-split.c (forbidden_dominators): New variable.
2129         (check_forbidden_calls): New function.
2130         (dominated_by_forbidden): Likewise.
2131         (consider_split): Check for forbidden dominators.
2132         (execute_split_functions): Initialize and free forbidden
2133         dominators info; call check_forbidden_calls.
2134
2135 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2136
2137         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2138
2139 2012-01-11  Nick Clifton  <nickc@redhat.com>
2140
2141         * config/rx/rx.md (return): Define pattern.
2142
2143 2012-01-11  Richard Guenther  <rguenther@suse.de>
2144
2145         * doc/extend.texi (malloc attribute): Adjust according to
2146         implementation.
2147
2148 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2149             Patrick Marlier  <patrick.marlier@gmail.com>
2150
2151         PR middle-end/51516
2152         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2153         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2154         (ipa_tm_note_irrevocable): Same.
2155         (ipa_tm_scan_irr_block): Same.
2156         (ipa_tm_decrement_clone_counts): Same.
2157         (ipa_tm_scan_irr_function): Same.
2158         (ipa_tm_create_version_alias): Same.
2159         (ipa_tm_create_version): Same.
2160         (ipa_tm_transform_calls_redirect): Same.
2161         (ipa_tm_transform_calls): Same.
2162         (ipa_tm_transform_transaction): Same.
2163         (ipa_tm_execute): Same.
2164
2165 2012-01-10  Richard Guenther  <rguenther@suse.de>
2166
2167         PR middle-end/51806
2168         * opts.c (common_handle_option): Handle -Werror.
2169
2170 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2171
2172         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2173         operand number.
2174
2175 2012-01-10  Jason Merrill  <jason@redhat.com>
2176
2177         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2178         information.
2179
2180 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2181
2182         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2183         supports R_386_TLS_GD_PLT reloc.
2184         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2185         supports R_386_TLS_LDM_PLT reloc.
2186         * configure: Regenerate.
2187         * config.in: Regenerate.
2188
2189 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2190
2191         PR target/49868
2192         Extend __pgmx semantics to linearize memory.
2193         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2194         determine if code comes inline or from libgcc.
2195         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2196         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2197         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2198         (movmemx_qi, movmemx_hi): New insns.
2199         (xload_<mode>_libgcc): Rewrite to new insn condition.
2200         (xload_<mode>): Remove insns.
2201         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2202         cases that don't satisfy avr_xload_libgcc_p().
2203         (avr_addr_space_convert): Allow converting in any direction.
2204         (avr_addr_space_subset_p): Return always true.
2205         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2206         (avr_emit_movmemhi): Ditto.
2207         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2208         (avr_out_movmem): Ditto.
2209         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2210         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2211         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2212         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2213         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2214
2215 2012-01-10  Richard Guenther  <rguenther@suse.de>
2216
2217         PR tree-optimization/50913
2218         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2219         Require data-refs to be representable by Graphite with respect
2220         to any loop nest.
2221
2222 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2223
2224         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2225         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2226
2227 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2228
2229         PR rtl-optimization/51271
2230         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2231         handling annulled branch.
2232
2233 2012-01-10  Richard Henderson  <rth@redhat.com>
2234
2235         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2236         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2237         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2238         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2239         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2240         arm_expand_vec_perm_const): New.
2241         * config/arm/arm-protos.h: Update.
2242         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2243         (*neon_vswp<VDQX>): New.
2244         (neon_vcombine<VDX>): Use neon_split_vcombine.
2245         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2246         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2247         (vec_perm<VE>): New.
2248
2249 2012-01-10  Richard Henderson  <rth@redhat.com>
2250
2251         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2252         use it if reload_completed.
2253         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2254         arm_output_asm_insn, arm_process_output_memory_barrier,
2255         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2256         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2257         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2258         arm_process_output_sync_insn, arm_output_sync_insn,
2259         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2260         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2261         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2262         (emit_unlikely_jump): New.
2263         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2264         (arm_split_atomic_op): New.
2265         * config/arm/arm-protos.h: Update.
2266         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2267         (struct arm_sync_generator): Remove.
2268         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2269         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2270         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2271         (VUNSPEC_LL, VUNSPEC_SC): New.
2272         (sync_result, sync_memory, sync_required_value, sync_new_value,
2273         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2274         (attr length): Don't use arm_sync_loop_insns.
2275         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2276         (movsfcc, movdfcc): Likewise.
2277         * config/arm/constraints.md (Ua): New.
2278         * config/arm/prediates.md (mem_noofs_operand): New.
2279         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2280         (sync_clobber, sync_t2_reqd): Remove.
2281         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2282         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2283         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2284         (arm_sync_compare_and_swap<SIDI>): Remove.
2285         (arm_sync_compare_and_swap<NARROW>): Remove.
2286         (arm_sync_lock_test_and_set<SIDI>): Remove.
2287         (arm_sync_lock_test_and_set<NARROW>): Remove.
2288         (arm_sync_new_<syncop><SIDI>): Remove.
2289         (arm_sync_new_<syncop><NARROW>): Remove.
2290         (arm_sync_new_nand<SIDI>): Remove.
2291         (arm_sync_new_nand<NARROW>): Remove.
2292         (arm_sync_old_<syncop><SIDI>): Remove.
2293         (arm_sync_old_<syncop><NARROW>): Remove.
2294         (arm_sync_old_nand<SIDI>): Remove.
2295         (arm_sync_old_nand<NARROW>): Remove.
2296         (*memory_barrier): Merge arm_output_memory_barrier.
2297         (atomic_compare_and_swap<QHSD>): New.
2298         (atomic_compare_and_swap<NARROW>_1): New.
2299         (atomic_compare_and_swap<SIDI>_1): New.
2300         (atomic_exchange<QHSD>): New.
2301         (cas_cmp_operand, cas_cmp_str): New.
2302         (atomic_op_operand, atomic_op_str): New.
2303         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2304         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2305         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2306         (arm_load_exclusive<NARROW>): New.
2307         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2308         (arm_store_exclusive<QHSD>): New.
2309
2310 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2311
2312         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2313         reload patterns if -mvsx-scalar-memory.
2314
2315         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2316         generated, even -mno-vsx-scalar-double was used.
2317         (vsx_xscvdpsp_scalar): Likewise.
2318         (vsx_xscvspdp_scalar2): Likewise.
2319
2320 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2321             Andrew Pinski  <apinski@cavium.com>
2322
2323         PR debug/51471
2324         * reorg.c (fill_slots_from_thread): Don't speculate
2325         frame-related insns.
2326
2327 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2328
2329         * sched-int.h (bb_note): Move to...
2330         * basic-block.h: ...here.
2331         * haifa-sched.c (bb_note): Move to...
2332         * cfgrtl.c: ...here.
2333         * function.c (next_block_for_reg): New function.
2334         (move_insn_for_shrink_wrap): Likewise.
2335         (prepare_shrink_wrap): Rewrite to use the above.
2336
2337 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2338
2339         * gimple.c (is_gimple_non_addressable): Remove.
2340         * gimple.h: Remove is_gimple_non_addressable.
2341         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2342         is_gimple_non_addressable.
2343         * trans-mem.c (expand_assign_tm): Same.
2344
2345 2012-01-09  Richard Guenther  <rguenther@suse.de>
2346
2347         PR tree-optimization/51775
2348         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2349         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2350
2351 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2352
2353         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2354         tuning parameters.
2355         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2356
2357 2012-01-09  Richard Guenther  <rguenther@suse.de>
2358
2359         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2360
2361 2012-01-08  Jan Hubicka  <jh@suse.cz>
2362
2363         PR tree-optimize/51680
2364         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2365         on when known_vals needs to be computed; cleanup.
2366
2367 2012-01-08  Jan Hubicka  <jh@suse.cz>
2368
2369         PR tree-optimize/51694
2370         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2371
2372 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2373
2374         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2375         for -std=c++98 and -std=c++11 too.
2376
2377 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2378
2379         * cfgloop.c (cancel_loop): Add free() of bbs array.
2380
2381 2012-01-07  Jan Hubicka  <jh@suse.cz>
2382
2383         PR tree-optimization/51600
2384         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2385         that benefits small functions.
2386
2387 2012-01-07  Jan Hubicka  <jh@suse.cz>
2388
2389         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2390
2391 2012-01-07  Jan Hubicka  <jh@suse.cz>
2392
2393         PR tree-optimization/51680
2394         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2395         whose inlining reduce unit size.
2396
2397 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2398
2399         PR bootstrap/51725
2400         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2401         Add canonical node to containing_mem chain after the non-canonical
2402         one, even if there weren't any locs to propagate.
2403         (remove_useless_values): Keep only canonical values.
2404         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2405         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2406         canonicalize mem_chain elements that are not discarded.
2407
2408 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2409
2410         PR target/47333
2411         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2412         before emitting functions.
2413
2414         PR gcov-profile/50127
2415         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2416         clear_aux_for_blocks.
2417
2418 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2419
2420         PR debug/51746
2421         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2422
2423 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2424
2425         * c-decl.c (ext_block): Moved up.
2426         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2427
2428 2012-01-06  Han Shen  <shenhan@google.com>
2429
2430         Translate built-in include paths for sysroot.
2431         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2432         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2433
2434         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2435         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2436
2437         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2438         control whether sysroot should be prepended to gxx include dir.
2439
2440         * configure: Regenerate.
2441
2442 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2443
2444         PR rtl-optimization/51771
2445         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2446         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2447
2448 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2449
2450         PR tree-optimization/51315
2451         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2452         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2453
2454 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2455
2456         PR target/51681
2457         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2458         for shrp pattern.  Correctly handle and fixup shift variable.
2459         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2460
2461 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2462
2463         PR debug/51762
2464         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2465         note when !ACCUMULATE_OUTGOING_ARGS.
2466
2467 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2468
2469         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2470         condition.
2471         (extract_range_from_unary_expr_1): Avoid useless computations.
2472
2473 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2474
2475         PR rtl-optimization/51767
2476         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2477         of jump_block and add an extra edge for degenerated asm gotos.
2478
2479         PR middle-end/51768
2480         * stmt.c (check_unique_operand_names): Don't ICE during error
2481         reporting if i is from labels chain.
2482
2483         PR middle-end/44777
2484         * profile.c (branch_prob): Split bbs that have exit edge
2485         and need a fake entry edge too.
2486
2487 2012-01-05  Jan Hubicka  <jh@suse.cz>
2488
2489         PR middle-end/49710
2490         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2491         unlooping loops.
2492
2493 2012-01-05  Richard Guenther  <rguenther@suse.de>
2494
2495         PR lto/50490
2496         * tree-streamer-out.c (write_ts_optimization): New function.
2497         (streamer_write_tree_body): Call it.
2498         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2499         (streamer_read_tree_body): Call it.
2500         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2501
2502 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2503
2504         PR middle-end/51761
2505         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2506         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2507         in_cleanup_point_expr before gimplify_stmt call and restore it
2508         afterwards.
2509         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2510         in_cleanup_point_expr is false.
2511
2512 2012-01-05  Richard Guenther  <rguenther@suse.de>
2513
2514         PR middle-end/51764
2515         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2516         to c.opt.
2517         * toplev.c (process_options): Reject combining mudflap and LTO.
2518         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2519
2520 2012-01-05  Richard Guenther  <rguenther@suse.de>
2521
2522         PR tree-optimization/51760
2523         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2524         not VARYING.
2525         (bit_value_unop): Handle UNDEFINED operands.
2526         (bit_value_binop): Likewise.
2527
2528 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2529
2530         * config/avr/avr.c (avr_replace_prefix): Remove.
2531         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2532         (avr_asm_function_rodata_section): Ditto.
2533         (avr_asm_select_section): Ditto.
2534
2535 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2536
2537         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2538         insertion.
2539
2540 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2541
2542         PR bootstrap/51648
2543         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2544         calls that have any non-fake successor edges.
2545
2546         PR debug/51746
2547         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2548
2549 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2550
2551         PR tree-optimization/51624
2552         * tree-sra.c (build_ref_for_model): When replicating a chain of
2553         COMPONENT_REFs, stop as soon as the offset would become negative.
2554
2555 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2556
2557         PR debug/51695
2558         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2559         in .debug_loc on the floor.
2560
2561 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2562
2563         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2564
2565 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2566             Adam Nemet  <anemet@caviumnetworks.com>
2567
2568         * config/mips/mips.md (size): Add SI and DI.
2569         (SIZE): New mode attribute.
2570         (U): New code attribute.
2571         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2572         (mips_lbux_<mode>): Delete.
2573         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2574         (mips_lhx): Use gen_mips_lhx_extsi.
2575         (mips_lhx_<mode>): Delete.
2576         (mips_lwx): Delete.
2577         (mips_l<size>x): New expand.
2578         (mips_lwx_<mode>): Delete.
2579         (mips_l<GPR:size>x_<P:mode>): New pattern.
2580         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2581         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2582         * config/mips/mips.c (mips_lx_address_p): New function.
2583         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2584         (dsp64): New availability predicate.
2585         (mips_builtins): Add an entry for __builtin_mips_ldx.
2586         * config/mips/mips.h (ISA_HAS_LBX): New define.
2587         (ISA_HAS_LBUX): Likewise.
2588         (ISA_HAS_LHX): Likewise.
2589         (ISA_HAS_LHUX): Likewise.
2590         (ISA_HAS_LWX): Likewise.
2591         (ISA_HAS_LWUX): Likewise.
2592         (ISA_HAS_LDX): Likewise.
2593         * doc/extend.texi (__builtin_mips_ldx): Document.
2594
2595 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2596
2597         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2598         when long pointers are used.
2599         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2600         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2601         (ia64-hp-*vms*): Remove.
2602         * config/vms/xm-vms64.h: Delete.
2603
2604 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2605
2606         PR middle-end/51472
2607         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2608
2609 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2610
2611         * opts.c (finish_options): Remove duplicate sorry.
2612
2613 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2614
2615         PR middle-end/51696
2616         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2617         correctly.
2618
2619 2012-01-04  Richard Guenther  <rguenther@suse.de>
2620
2621         PR middle-end/51750
2622         * tree.c (size_low_cst): New function.
2623         * tree.h (size_low_cst): Declare.
2624         * fold-const.c (fold_comparison): Use it to extract the low
2625         part of the POINTER_PLUS_EXPR offset.
2626
2627 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2628
2629         Fix clearing ZERO_REG
2630         * config/avr/avr.md (cc): Add alternative "ldi".
2631         (movqi_insn): Use it in cc attribute.
2632         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2633         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2634         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2635
2636 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2637
2638         * configure: Regenerate.
2639
2640 2012-01-04  Richard Guenther  <rguenther@suse.de>
2641
2642         PR tree-optimization/49651
2643         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2644         (var_can_have_subvars): Use it.
2645         (get_constraint_for_1): Only consider subfields if there can be any.
2646
2647 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2648
2649         PR bootstrap/51725
2650         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2651         to its new canonical_cselib_val and the cselib_val was in
2652         first_containing_mem chain, but the canonical_cselib_val was not,
2653         add the latter into the chain.
2654         (cselib_invalidate_mem): Compare canonical_cselib_val of
2655         addr_list chain elt with v.
2656
2657         PR pch/51722
2658         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2659         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2660         of xstrdup.
2661         (output_macinfo_op): Don't ggc_strdup fd->filename.
2662         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2663         then ggc_strdup it.  Don't free inc->info or cur->info.
2664         (output_macinfo): Don't free ref->info or file->info.
2665
2666 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2667
2668         PR tree-optimization/51269
2669         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2670         first_niters a pointer.
2671         (slpeel_tree_peel_loop_to_edge): Likewise.
2672         (vect_do_peeling_for_loop_bound): Update call to
2673         slpeel_tree_peel_loop_to_edge.
2674         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2675         here.  Remove it from the parameters list.
2676         (vect_do_peeling_for_alignment): Update calls and compute
2677         wide_prolog_niters.
2678
2679 2012-01-03  Richard Guenther  <rguenther@suse.de>
2680
2681         PR tree-optimization/51070
2682         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2683         Properly handle calls.
2684
2685 2012-01-03  Richard Guenther  <rguenther@suse.de>
2686
2687         PR tree-optimization/51692
2688         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2689         the LHS of allocation stmts.
2690
2691 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2692
2693         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2694
2695 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2696
2697         * collect2.c (main): In AIX specific computations for vector
2698         insertions, use CONST_CAST2 to cast from char ** to const char **.
2699
2700 2012-01-03  Richard Guenther  <rguenther@suse.de>
2701
2702         PR debug/51650
2703         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2704         the context of a limbo DIE when it does not already exist.
2705
2706 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR tree-optimization/51719
2709         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2710         but direct call is, clear direct call's lhs and don't add fallthrough
2711         edge from dcall_bb to join_bb and PHIs.
2712
2713 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2714
2715         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2716         the instructions emitted by the pattern.
2717         ("*TDC_insn_<mode>"): Add comment.
2718
2719 2012-01-03  Richard Guenther  <rguenther@suse.de>
2720
2721         PR middle-end/51730
2722         * fold-const.c (fold_comparison): Properly canonicalize
2723         tree offset and HOST_WIDE_INT bit position.
2724
2725 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2726
2727         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2728         operands for extzv pattern.
2729
2730 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2731
2732         PR bootstrap/51725
2733         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2734         on mem_elt first.
2735
2736 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2737
2738         * doc/invoke.texi (-flto and related options): Copy-edit.
2739
2740 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2741
2742         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2743
2744 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2745
2746         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2747         New patterns.
2748
2749 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2750
2751         * expr.h (move_by_pieces_ninsns): Declare.
2752         * expr.c (move_by_pieces_ninsns): Make external.
2753         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2754         (mips_store_by_pieces_p): Likewise.
2755         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2756         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2757         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2758         (mips_store_by_pieces_p): Likewise.
2759
2760 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2761
2762         * passes.c (register_one_dump_file): Free full_name.
2763
2764         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2765         (calculate_elim_costs_all_insns): Free offsets_at and
2766         offsets_known_at at the end and clear the pointers.
2767
2768 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2769
2770         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2771         this option introduced in r180739.
2772
2773 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2774
2775         PR target/51345
2776         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2777         (tmake_file target=avr): Add avr/t-multilib.
2778
2779         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2780         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2781         * config/avr/genmultilib.awk: New file.
2782         * config/avr/t-multilib: New auto-generated file.
2783         * config/avr/multilib.h: New auto-generated file.
2784         * config/avr/t-avr (AVR_MCUS): New variable.
2785         (genopt.sh): Use it.
2786         (s-mlib): Depend on t-multilib.
2787         (t-multilib, multilib.h): New dependencies.
2788         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2789         (MULTILIB_OPTIONS): Remove.
2790         (MULTILIB_MATCHES): Remove.
2791         (MULTILIB_DIRNAMES): Remove.
2792         (MULTILIB_EXCEPTIONS): Remove:
2793         * config/avr/genopt.sh: Don't use hard coded file name;
2794         pass AVR_MCUS from t-avr instead.
2795
2796 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2797
2798         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2799
2800 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2801
2802         Implement light-weight DImode support.
2803         * config/avr/avr-dimode.md: New file.
2804         * config/avr/avr.md: Include it.
2805         (adjust_len): Add plus64, compare64.
2806         (HIDI): Remove code iterator.
2807         (code_stdname): New code attribute.
2808         (rotx, rotsmode): Remove DI.
2809         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2810         as code iterator.
2811         * config/avr/avr-protos.h (avr_have_dimode): New.
2812         (avr_out_plus64, avr_out_compare64): New.
2813         * config/avr/avr.c (avr_out_compare): Handle DImode.
2814         (avr_have_dimode): New variable definition and initialization.
2815         (avr_out_compare64, avr_out_plus64): New functions.
2816         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2817         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2818         (avr_compare_pattern): Skip DImode comparisons.
2819
2820 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2821
2822         * ddg.c (def_has_ccmode_p): New function.
2823         (add_cross_iteration_register_deps,
2824         create_ddg_dep_from_intra_loop_link): Call it.
2825
2826 2012-01-02  Richard Guenther  <rguenther@suse.de>
2827
2828         PR other/51679
2829         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2830
2831 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2832
2833         * gcc.c (process_command): Update copyright notice dates.
2834         * gcov.c (print_version): Likewise.
2835         * gcov-dump.c (print_version): Likewise.
2836         * mips-tfile.c (main): Likewise.
2837         * mips-tdump.c (main): Likewise.
2838
2839 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2840
2841         PR tree-optimization/51704
2842         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2843         a use is inside the basic block or loop before accessing its vect info.
2844
2845 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2846
2847         PR rtl-optimization/51069
2848         * cfgloopmanip.c (remove_path): Removing path making irreducible
2849         region unconditional makes BB part of the region.
2850
2851 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2852
2853         PR tree-optimization/51683
2854         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2855         calls with side-effects.
2856         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2857 \f
2858 Copyright (C) 2012 Free Software Foundation, Inc.
2859
2860 Copying and distribution of this file, with or without modification,
2861 are permitted in any medium without royalty provided the copyright
2862 notice and this notice are preserved.