gcc/ChangeLog

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