gcc/ChangeLog

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