+2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
+
+2012-03-05 Richard Henderson <rth@redhat.com>
+
+ PR target/52481
+ * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
+ instead of calling negqi2 directly.
+
+2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
+ (INTMAX_TYPE): Use it.
+ (UINTMAX_TYPE): Likewise.
+ (SUBTARGET_OVERRIDE_OPTIONS): Define.
+ (irix6_c_common_override_options): Declare.
+ (C_COMMON_OVERRIDE_OPTIONS): Define.
+ * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
+ * config/mips/irix6-c.c: New file.
+ * config/mips/t-irix6 (irix6-c.o): New target.
+ * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
+ cxx_target_objs.
+
+2012-03-02 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (expand_atomic_test_and_set): Honor
+ atomic_test_and_set_trueval even when atomic_test_and_set
+ optab is not in use.
+
+2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
+
+ Backport from mainline
+ 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
+
+2012-03-02 Richard Guenther <rguenther@suse.de>
+
+ * DEV-PHASE: Set to prerelease.
+
+2012-03-01 Richard Earnshaw <rearnsha@arm.com>
+
+ * config.gcc (obsolete): Add all ARM targets using the FPA.
+ (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
+ * doc/install.texi: Avoid references to obsolete ARM ports.
+
+2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
+
+2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
+ Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * doc/extend.texi: Expand and update information on interrupt
+ attribute for Epiphany.
+
+2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h: Update copyright notice dates.
+ * config/sh/sh.h: Likewise.
+ * config/sh/sh.md: Likewise.
+ * config/sh/constraints.md: Likewise.
+ * config/sh/predicates.md: Likewise.
+
+2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
+ * config/sh/sh.c (tertiary_reload_operand): Likewise.
+
+2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/constraints.md: Fix comment typo.
+
+2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/52408
+ * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
+ unsigned HOST_WIDE_INT.
+ (zvdep_imm64): Likewise.
+ (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
+ (vdepi_and): Likewise.
+ Likewise for unamed 64-bit patterns.
+ * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
+
+2012-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52001
+ PR rtl-optimization/52417
+ * cselib.c (cselib_any_perm_equivs): New variable.
+ (cselib_reset_table): Check that it's not set when not
+ preserving constants.
+ (cselib_add_permanent_equiv): Set it.
+ (cselib_have_permanent_equivalences): New.
+ (cselib_init, cselib_finish): Reset it.
+ * cselib.h (cselib_have_permanent_equivalences): Declare.
+ * alias.c (get_addr): Restore earlier behavior when there
+ aren't permanent equivalences.
+
+2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/mn10300/mn10300-modes.def: Fix copyright notice.
+ * config/v850/v850-modes.def: Fix copyright notice.
+
+2012-03-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Built-in Functions): Document
+ __builtin_avr_flash_segment.
+
+ * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
+ * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
+ (*split.flash_segment): New insn-and-split.
+ * config/avr/avr.c (avr_init_builtins): Add local variables:
+ const_memx_void_node, const_memx_ptr_type_node,
+ char_ftype_const_memx_ptr.
+
+2012-03-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52445
+ * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
+ add ssa_name_ver, offset and size fields and change store field
+ to bool.
+ (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
+ (add_or_mark_expr): Likewise. Only consider previous stores
+ with the same size and offset.
+ (nt_init_block): Only look at gimple_assign_single_p stmts,
+ doesn't look at rhs2.
+
+2012-03-01 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52443
+ * tree-cfg.c (verify_gimple_assign_unary): Allow any
+ conversions from integral types to pointer types.
+
+2012-03-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
+ defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
+ unintentionally removed in r184616.
+
+2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
+
+ * doc/invoke.texi: Document AMD bdver2 and remove mentioning
+ 3DNow from bdver1.
+
+2012-02-29 Jakub Jelinek <jakub@redhat.com>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52437
+ * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
+ alternatives, add "e" constraint to the new last alternative
+ and ! to last 3 alternatives.
+
+2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
+
+ * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
+ DW_AT_artificial attributes at the end of the processing.
+ (gen_array_type_die): Likewise.
+ (gen_enumeration_type_die): Likewise.
+ (gen_struct_or_union_type_die): Likewise.
+ (add_gnat_descriptive_type_attribute): Do not suppress debug info for
+ the parent type.
+
+2012-02-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52419
+ * expr.c (expand_assignment): If doing misaligned store that doesn't
+ cover all mode bits, perform a RMW cycle.
+
+ PR tree-optimization/52429
+ * tree-parloops.c (separate_decls_in_region_debug): Return early
+ if var is LABEL_DECL.
+
+2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/52424
+ * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
+ calling dom_thread_across_edge.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c: Move definition of TARGET macros to end of file.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
+ * config/avr/avr.c (avr_output_bld): Remove unused function.
+ (avr_out_sbxx_branch): Use "%T" to print bit position.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Untabify.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (eqne): New code iterator.
+ (*dec-and-branchsi): Use it in text peephole's condition.
+ (*dec-and-branchhi): Ditto.
+ (*dec-and-branchqi): Ditto.
+
+2012-02-29 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49939
+ * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
+ the device does not have the skip-bug.
+
+2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * doc/invoke.texi (-msoft-atomic): Add more detailed description.
+ (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
+ -mpretend-cmove): New.
+
+2012-02-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52397
+ * df.h (struct df_d): Adjust comment that hard_regs_live_count
+ doesn't count DEBUG_INSN refs.
+ * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
+ for DEBUG_INSN refs.
+
+2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ Partially revert:
+
+ 2012-02-20 Richard Guenther <rguenther@suse.de>
+ PR tree-optimization/52298
+ * tree-vect-stmts.c (vectorizable_load): Properly use
+ STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
+ outer loops.
+
+2012-02-28 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/51752
+ * gimple.h (gimple_in_transaction): New.
+ (gimple_set_in_transaction): New.
+ (struct gimple_statement_base): Add in_transaction field.
+ * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
+ transaction loads.
+ (tree_ssa_lim_initialize): Compute transaction bits.
+ * tree.h (compute_transaction_bits): Protoize.
+ * trans-mem.c (tm_region_init): Use the heap to store BB
+ auxilliary data.
+ (compute_transaction_bits): New.
+
+2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * gcc.c (display_help): Document --help=common and sort entries
+ alphabetically.
+
+2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/install.texi: Document check-$LANG specific shortcuts
+
+2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ PR target/51534
+ * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
+ and vcgtu.
+ * config/arm/arm_neon.h: Regenerate.
+ * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
+ (neon_vcgeu): New insn.
+ (neon_vcgtu): Likewise.
+ * config/arm/neon.ml (s_8_32, u_8_32): New lists.
+ (ops): Unsigned comparison intrinsics call a different
+ builtin.
+
+2012-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR target/52407
+ * config/i386/i386.c (ix86_expand_vector_set): Fix element
+ ordering for the VEC_CONCAT for two element vectors for
+ V2SFmode, V2SImode and V2DImode.
+
+2012-02-28 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/49448
+ * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
+ detecting big-endian triplets.
+
+2012-02-28 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
+ mode if there is no type information available.
+
+2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
+
+ PR tree-optimization/53207
+ * doc/invoke.texi: Document as experimental and relying on graphite.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
+ of initializer to changes from r184614.
+
+2012-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52395
+ * tree-sra.c (build_ref_for_offset): Also look at the base
+ TYPE_ALIGN when figuring out the alignment of the replacement.
+
+2012-02-28 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52402
+ * ipa-prop.c (ipa_modify_call_arguments): Properly use
+ mis-aligned types when creating the accesses at the call site.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/builtins.def: New file.
+ * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
+ * config/avr/avr.c (enum avr_builtin_id): Use it.
+ (avr_init_builtins): Use it. And use avr_bdesc.
+ (bdesc_1arg): Remove.
+ (bdesc_2arg): Remove.
+ (bdesc_3arg): Remove.
+ (struct avr_builtin_description): Add field n_args.
+ (avr_bdesc): New static variable using builtins.def.
+ (avr_expand_builtin): Use it.
+ Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
+ (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
+ Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52148
+ * config/avr/avr.md (movmem_<mode>): Replace match_operand that
+ match only one single hard register with respective hard reg rtx.
+ (movmemx_<mode>): Ditto.
+ * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
+ insn anatomy of movmem[x]_<mode>.
+ (avr_out_movmem): Same for printing assembler and operand usage.
+
+2012-02-28 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ PR target/52261
+ * doc/extend.texi (AVR Named Address Spaces): No more try to fix
+ address spaces located outside of device flash.
+
+ * config/avr/avr.h (base_arch_s): Remove field n_segments.
+ (mcu_type_s): Add field n_flash.
+ * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
+ Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
+ (AVR_MCU): Add N_FLASH argument.
+ * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
+ macro __FLASH<n> if that address space makes sense for the device.
+ * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
+ outside of target flash.
+ (avr_asm_named_section): Ditto.
+ (avr_asm_select_section): Ditto.
+ (avr_addr_space_convert): Ditto.
+ (avr_emit_movmemhi): Ditto.
+ (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
+ address space is outside of device flash.
+ (avr_insert_attributes): Ditto.
+ (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
+ avr_current_arch->n_segments.
+
+2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/52352
+ * config/i386/i386.md (*movabs<mode>_1): Enable only for
+ TARGET_LP64.
+ (*movabs<mode>_2): Likewise.
+
+2012-02-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52375
+ * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
+ s_register_operand in the test instead of REG_P. Don't call
+ gen_reg_rtx if it won't be used.
+
+ PR tree-optimization/52376
+ * ipa-split.c (split_function): Ignore CLOBBER stmts.
+
+2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
+
+ * ifcvt.c (noce_get_condition): Check condition variable is not
+ small_register_classes_for_mode_p before accepting.
+
+2012-02-27 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
+
+2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ Revert:
+ 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+ * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
+ tuning parameters.
+ * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
+
+2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
+
+2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/predicates.md: Remove blank lines.
+ * config/sh/sh.c: Fix typos in comments.
+ * config/sh/constraints.md: Likewise.
+ * config/sh/sh.md: Remove blank lines.
+ Fix typos in comments. Use ;; as comment characters.
+
+2012-02-26 Walter Lee <walt@tilera.com>
+
+ * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
+ (replace_mov_pcrel_step2): Ditto.
+
+2012-02-25 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/52001
+ * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
+ (get_addr): Walk canonical value's locs. Avoid returning VALUEs
+ and locs that reference values newer than the non-canonical value
+ at hand. Return the canonical value as a worst case.
+ (memrefs_conflict_p): Walk canonical value's locs.
+
+ PR debug/52001
+ * cselib.c (preserve_only_constants): Rename to...
+ (preserve_constants_and_equivs): ... this. Split out...
+ (invariant_or_equiv_p): ... this. Preserve plus expressions
+ of other preserved expressions too.
+ (cselib_reset_table): Adjust.
+ * var-tracking.c (reverse_op): Use canonical value to build
+ reverse operation.
+
+2012-02-23 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/i386.c (ix86_delegitimize_address): Handle
+ UNSPEC_PCREL plus displacement.
+
+2012-02-24 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/52261
+ * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
+ to test for unusedness in st X addressing.
+
+2012-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52361
+ * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
+ (is_gimple_reg_type): Move inline ...
+ * gimple.h (is_gimple_reg_type): ... here.
+
+2012-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52361
+ * passes.c (execute_function_todo): When verifying SSA form
+ verify gimple form first.
+ * tree-ssa.c (verify_ssa): Do not verify gimple form here.
+
+2012-02-24 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52355
+ * fold-const.c (fold_addr_of_array_ref_difference): New function.
+ (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
+
+2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * tree-phinodes.c (make_phi_node): Mark static.
+ * tree-flow.h (make_phi_node): Remove extern decl.
+ * doc/gimple.texi (make_phi_node): Remove documentation.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
+ * tree-ssa-sccvn.c (print_scc): Ditto.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/passes.texi (Full redundancy elimination): Fix typo.
+
+2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
+
+ * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
+
+2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR bootstrap/52287
+ * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
+
+2012-02-23 Uros Bizjak <ubizjak@gmail.com>
+
+ PR c/52290
+ * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
+
+2012-02-23 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (code_stdname): Add ior, xor.
+ (xior): New code iterator.
+ (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
+ (*<code_stdname><mode>qi.byte1-3): Ditto.
+
+2012-02-23 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52019
+ * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
+ CLOBBER stmts.
+
+2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
+ HAVE_INITFINI_ARRAY to work around namespace pollution in
+ certain versions of newlib system headers.
+ * config.in: Regenerate.
+ * configure: Regenerate.
+ * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
+ instead of HAVE_INITFINI_ARRAY.
+
+2012-02-22 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52330
+ * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
+ is not offsettable memory reference.
+
+2012-02-22 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/18145
+ * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
+ setting avr_need_clear_bss_p for __gnu_lto* symbols.
+
+2012-02-22 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
+ * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
+
+2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
+ library on Solaris 8 even without TLS support.
+ * configure: Regenerate.
+
+2012-02-22 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52329
+ * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
+ for GIMPLE_DEBUG stmts.
+
+2012-02-22 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/51782
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
+ according to the base object.
+
+2012-02-22 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/50063
+ * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
+ and 2 (8-bit SP) in operand 2.
+ * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
+ setup to use movhi_sp_r instead of vanilla move to write SP.
+ Adjust REG_CFA notes to superseed unspec.
+ (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
+ of vanilla move.
+ As function body might contain CLI or SEI: Use irq_state 0 (IRQ
+ known to be off) only with TARGET_NO_INTERRUPTS. Never use
+ irq_state 1 (IRQ known to be on) here.
+
+2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
+
+ * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
+ WORDS_BIG_ENDIAN.
+ * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
+ assign_hard_reg): Likewise.
+
+2012-02-21 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
+
+2012-02-21 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md
+ (*dec-and-branchhi!=-1.d.clobber): New text peephole.
+ (*dec-and-branchhi!=-1.l.clobber): New text peephole.
+
+2012-02-21 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
+ prototype from here to...
+ * config/avr/avr.h: ...here.
+
+2012-02-21 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/52294
+ * thumb2.md (thumb2_shiftsi3_short): Split register and
+ immediate shifts. For register shifts tie operands 0 and 1.
+ (peephole2 for above): Check that register-controlled shifts
+ have suitably tied operands.
+
+2012-02-21 Quentin Neill <quentin.neill@amd.com>
+
+ PR target/52137
+ * config/i386/bdver1.md (bdver1_call, bdver1_push,
+ bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
+ bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
+ bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
+ bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
+ bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
+ bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
+ bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
+ bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
+ bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
+ bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
+ bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
+ bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
+ bdver1_ssevector_avx256_unaligned_load,
+ bdver1_ssevector_sse128_unaligned_load,
+ bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
+ bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
+ bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
+ bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
+ bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
+ bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
+ bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
+ bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
+ bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
+ bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
+ bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
+ bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
+ bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
+ bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
+ bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
+ bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
+ bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
+ bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
+ bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
+ bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
+ bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
+ bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
+ bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
+ bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
+ bdver1_ssediv_double_load, bdver1_ssediv_double,
+ bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
+ Add "bdver2" attribute.
+
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
+ default if possible and not specified otherwise.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/52314
+ * gimplify.c (create_tmp_from_val): Use the main variant type
+ for the type of the temporary we create.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52324
+ * gimplify.c (gimplify_expr): When re-gimplifying expressions
+ do not gimplify a MEM_REF address operand if it is already
+ in suitable form.
+
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
+ TARGET_HARD_FLOAT with TARGET_HARD_DFP.
+
+2012-02-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-stmts.c (vectorizable_load): Use pre-computed
+ nested_in_vect_loop.
+
+2012-02-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52318
+ * gimple-fold.c (gimplify_and_update_call_from_tree): Add
+ vdef also to non-pure/const call stmts in the sequence.
+
+2012-02-20 David S. Miller <davem@davemloft.net>
+
+ * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
+ don't use the "rd %pc" instruction on v9 for PIC register loads.
+
+2012-02-20 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52141
+ * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
+ in a transaction safe function.
+
+2012-02-20 Kai Tietz <ktietz@redhat.com>
+
+ PR target/52238
+ * stor-layout.c (place_field): Handle desired_align for
+ ms-bitfields, too.
+
+2012-02-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52298
+ * tree-vect-stmts.c (vectorizable_store): Properly use
+ STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
+ outer loops.
+ (vectorizable_load): Likewise.
+ * tree-vect-data-refs.c (vect_analyze_data_ref_access):
+ Access DR_STEP after ensuring it is not NULL.
+
+2012-02-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52286
+ * fold-const.c (fold_binary_loc): For (X & C1) | C2
+ optimization use double_int_to_tree instead of build_int_cst_wide,
+ rewrite to use double_int vars.
+
+2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR target/50166
+ * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
+ Define _start.
+ Remove -e 0 from $gcc_cv_ld invocation.
+ Only use __GLIBC_PREREQ if defined.
+ Enable on Solaris since Solaris 8 patch.
+ (gcc_SUN_LD_VERSION): New macro.
+ * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
+ gcc_SUN_LD_VERSION for version number format.
+ * configure: Regenerate.
+ * varasm.c (get_elf_initfini_array_priority_section): Set
+ SECTION_NOTYPE for non-default priority.
+ Use get_section instead of get_unnamed_section to emit
+ .init_array/.fini_array with default priority.
+
+2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
+ (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
+ (mips_start_unique_function, mips_output_mips16_rdhwr)
+ (mips_code_end): New functions.
+ (TARGET_ASM_CODE_END): Define.
+
+2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips16_build_call_stub): Add CFI information
+ to stubs with non-sibling calls.
+
+2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (-fira-* options): Copy-edit.
+ (ira-* parameters): Copy-edit.
+
+2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Minor copy-edits to bring into conformance with
+ GCC coding conventions.
+
+2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
+ when used as adjectives.
+
+2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up "that"/"which" confusion.
+
+2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
+
+ * system.h: Poison SMALL_REGISTER_CLASSES
+ * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
+ * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52285
+ * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
+ when deciding if a call is a tail call or tail recursion.
+
+2012-02-16 Kai Tietz <ktietz@redhat.com>
+
+ * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
+ interger-constant displacement for UNSPEC_PCREL.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52208
+ * ira-costs.c (scan_one_insn): Don't decrease mem_cost
+ for MEMs with REG_EQUIV, if the MEM isn't general_operand.
+
+ PR tree-optimization/52255
+ * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
+ loop->header has virtual PHI, but exit_e->dest doesn't, add
+ virtual PHI to exit_e->dest and adjust all uses after the loop.
+
+ PR debug/52260
+ * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
+ children with clone_tree_hash, not after it.
+
+2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
+ extended identifiers.
+
+2012-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51929
+ * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
+ a same_body_alias, also test whether e->callee isn't a former
+ or current clone of the decl this is a same body alias of.
+
+ PR translation/52264
+ * cgraphunit.c (verify_cgraph_node): Fix a typo.
+
+2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
+
+2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/52199
+ * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
+ force_reg instead of copy_to_reg for better optimization. Force
+ non-register or memory operands into a register.
+
+2012-02-15 Andrew MacLeod <amacleod@redhat.com>
+
+ * extend.texi: Reserve upper bits of memory model for future use.
+
+2012-01-15 Georg-Johann Lay <avr@gjlay.de>
+ Anatoly Sokolov <aesok@post.ru>
+ Eric Weddington <eric.weddington@atmel.com>
+
+ PR target/52261
+ * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
+ avrxmega4, avrxmega5, avrxmega6, avrxmega7.
+ Rewrite initializers for .macro.
+ * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
+ avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
+ atxmega32d4, atxmega32x1.
+ avrxmega4: atxmega64a3, atxmega64d3.
+ avrxmega5: atxmega64a1, atxmega64a1u.
+ avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
+ atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
+ avrxmega7: atxmega128a1, atxmega128a1u.
+ * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
+ ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
+ (struct base_arch_s): Rename reserved to xmega_p.
+ Rename reserved2 to have_rampd.
+ (AVR_XMEGA): New define.
+ (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
+ (AVR_HAVE_RAMPZ): Change definition to fit xmega.
+ * config/avr/predicates.md (io_address_operand): Take into
+ account SFR offset.
+ (low_io_address_operand): Ditto.
+ (high_io_address_operand): Ditto.
+ * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
+ (enabled, movhi_sp_r): Use them.
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
+ cpp_define_formatted to built-in define __AVR_ARCH__.
+ (__AVR_XMEGA__): New built-in define.
+ (__AVR_HAVE_RAMPD__): New built-in define.
+ (__AVR_HAVE_RAMPX__): New built-in define.
+ (__AVR_HAVE_RAMPY__): New built-in define.
+ (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
+
+ * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
+ (avr_option_override): Initialize them.
+ (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
+ (avr_init_expanders): Initialize them. No more block several calls.
+ (emit_push_sfr): New static function.
+ (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
+ Handle AVR_XMEGA.
+ (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
+ (avr_print_operand): Print addreeses as symbols for
+ RAMPX, RAMPY, RAMPD, CCP.
+ (output_movhi): Handle AVR_XMEGA when writing to SP.
+ (avr_out_movhi_mr_r_xmega): New static function.
+ (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
+ (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
+ __RAMPD__, __CCP__ as needed.
+
+ * config/avr/multilib.h: Regenerate.
+ * config/avr/t-multilib: Regenerate.
+ * config/avr/avr-tables.opt: Regenerate.
+
+2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ PR tree-optimization/50561
+ * graphite-flattening.c (lst_project_loop): Do not
+ remove old scattering dimensions after flattening.
+ (lst_do_flatten): Likewise.
+
+2012-02-15 Georg-Johann Lay <avr@gjlay.de>
+
+ * doc/extend.texi (AVR Built-in Functions): Remove doc for
+ __builtin_avr_map8, __builtin_avr_map16.
+ Document __builtin_avr_insert_bits.
+
+ * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
+ (insert_bits): New insn.
+ (adjust_len.map_bits): Rename to insert_bits.
+ (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
+ * avr-protos.h (avr_out_map_bits): Remove.
+ (avr_out_insert_bits, avr_has_nibble_0xf): New.
+ * config/avr/constraints.md (Cxf,C0f): New.
+ * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
+ defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
+ New built-in define __BUILTIN_AVR_INSERT_BITS.
+ * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
+ (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
+ (avr_move_bits): Rewrite.
+ (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
+ functions.
+ (avr_map_op_t): New typedef.
+ (avr_map_op): New static variable.
+ (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
+ (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
+ (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
+ (bdesc_3arg, avr_expand_triop_builtin): New.
+ (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
+ (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
+ (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
+ (avr_map_equal_p, avr_map_sig_p): Remove.
+ (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
+ (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
+ (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+ (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
+ (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
+
+2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * config/c6x/c6x.md (reserve_cycles): New attribute.
+ * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
+ don't reserve functional units after the branch occurs.
+
+2012-02-14 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/52142
+ * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
+ functions into non-tm_pure functions.
+
+2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR lto/52178
+ * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
+ (iterative_hash_canonical_type): Likewise.
+ * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
+ the dead edges.
+
+2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
+
+ * haifa-sched.c (prune_ready_list): Ensure that if there is a
+ sched-group insn, it either remains alone or the entire list is pruned.
+
+2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/install.texi (Prerequisites): Fix grammar.
+ (Configuration): Likewise.
+
+2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
+ MPC as part of GCC before describing configuring with --with-gmp etc.
+ (Installing GCC: Configuration): --with-gmp etc. aren't needed if
+ sources are present.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51950
+ * dwarf2out.c (clone_tree_hash): New function.
+ (copy_decls_walk): Use it instead of clone_tree.
+
+2012-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52244
+ PR tree-optimization/51528
+ * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
+ replacements for integral types.
+
+2012-02-14 Walter Lee <walt@tilera.com>
+
+ * config.gcc: Handle tilegx and tilepro.
+ * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
+ tilegx and tilepro.
+ Add HAVE_AS_TLS check for tilegx and tilepro.
+ * configure: Regenerate.
+ * doc/contrib.texi: Add Mat Hostetter and self.
+ * doc/extend.texi (TILE-Gx Built-in Functions): New node.
+ Document instruction intrinsics and network accessing intrinsics.
+ (TILEPro Built-in Functions): New node. Document instruction
+ intrinsics and network accessing intrinsics.
+ * doc/install.texi (Specific, tilegx-*-linux*): Document it.
+ (Specific, tilepro-*-linux*): Likewise.
+ * doc/invoke.texi (TILE-Gx Options): New section.
+ (TILEPro Options): New section.
+ * doc/md.texi (TILE-Gx): New section.
+ (TILEPro): New section.
+ * common/config/tilegx/tilegx-common.c: New file.
+ * common/config/tilepro/tilepro-common.c: New file.
+ * config/tilegx/constraints.md: New file.
+ * config/tilegx/linux.h: New file.
+ * config/tilegx/mul-tables.c: New file.
+ * config/tilegx/predicates.md: New file.
+ * config/tilegx/sync.md: New file.
+ * config/tilegx/t-tilegx: New file.
+ * config/tilegx/tilegx-builtins.h: New file.
+ * config/tilegx/tilegx-c.c: New file.
+ * config/tilegx/tilegx-generic.md: New file.
+ * config/tilegx/tilegx-modes.def: New file.
+ * config/tilegx/tilegx-multiply.h: New file.
+ * config/tilegx/tilegx-protos.h: New file.
+ * config/tilegx/tilegx.c: New file.
+ * config/tilegx/tilegx.h: New file.
+ * config/tilegx/tilegx.md: New file.
+ * config/tilegx/tilegx.opt: New file.
+ * config/tilepro/constraints.md: New file.
+ * config/tilepro/gen-mul-tables.cc: New file.
+ * config/tilepro/linux.h: New file.
+ * config/tilepro/mul-tables.c: New file.
+ * config/tilepro/predicates.md: New file.
+ * config/tilepro/t-tilepro: New file.
+ * config/tilepro/tilepro-builtins.h: New file.
+ * config/tilepro/tilepro-c.c: New file.
+ * config/tilepro/tilepro-generic.md: New file.
+ * config/tilepro/tilepro-modes.def: New file.
+ * config/tilepro/tilepro-multiply.h: New file.
+ * config/tilepro/tilepro-protos.h: New file.
+ * config/tilepro/tilepro.c: New file.
+ * config/tilepro/tilepro.h: New file.
+ * config/tilepro/tilepro.md: New file.
+ * config/tilepro/tilepro.opt: New file.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/52210
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
+ vect_model_simple_cost with two entry vect_def_type array instead
+ of an address of dt.
+
+2012-02-14 Richard Guenther <rguenther@suse.de>
+
+ PR lto/52178
+ * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+ Do not stream DECL_QUALIFIER.
+ * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
+ * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
+ (find_decls_types_r): Do not walk DECL_QUALIFIER.
+
+2012-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/52181
+ * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
+ newdecl.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52172
+ * cselib.h (cselib_subst_to_values_from_insn): New prototype.
+ * cselib.c (cselib_subst_to_values_from_insn): New function.
+ * sched-deps.c (add_insn_mem_dependence,
+ sched_analyze_1, sched_analyze_2): Use it.
+
+2012-02-13 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/52214
+ * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
+
+2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define if not already defined.
+ (driver_self_specs): Add GTM_SELF_SPECS.
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define.
+ * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
+ * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
+ away if seen.
+
+ * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
+
+ PR middle-end/52230
+ * omp-low.c (expand_omp_for): If a static schedule without chunk size
+ has NULL region->cont, force fd.chunk_size to be integer_zero_node.
+
+2012-02-13 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Fix another __atomic_compare_exchange typo.
+
+2012-02-13 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52211
+ * passes.c (enable_disable_pass): Fix typo.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52209
+ * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
+ XOR for reduce_bit_field if type is unsigned.
+
+2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
+ disallow changes from SFmode to mode with different size in FP regs.
+
+2012-02-12 Robert Millan <rmh@gnu.org>
+ Gerald Pfeifer <gerald@pfeifer.com>
+
+ * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
+ Tweak comment.
+
+2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/52175
+ * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
+ to frame-related instructions.
+
+2012-02-10 Jason Merrill <jason@redhat.com>
+
+ PR c++/51910
+ * tlink.c (demangled_hash_entry): Change mangled to a VEC.
+ (demangle_new_symbols): Fill it.
+ (scan_linker_output): Walk it.
+ (start_tweaking): Split out from scan_linker_output.
+ (maybe_tweak): Update sym->chosen.
+ * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
+
+2012-02-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52132
+ * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
+
+2012-02-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
+ having the same mode as previous compare.
+
+2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
+ * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
+ (nonlocal_goto_internal): Likewise.
+ (nonlocal_goto): Emit a use and an indirect jump directly.
+
+2012-02-10 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Update comments for __atomic_compare_exchange and
+ __atomic_{is,always}_lock_free.
+
+2012-02-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52146
+ * config/i386/i386.c (ix86_legitimate_address_p): Disallow
+ negative constant address for x32.
+
+2012-02-10 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
+ * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
+ for GIMPLE_TRANSACTION. Tidy if's into a switch.
+
+2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+ Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/50031
+ * targhooks.c (default_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
+ * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
+ all types of reduction and pattern statements.
+ (vect_estimate_min_profitable_iters): Likewise.
+ * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
+ (vect_get_load_cost): Use vec_perm for permutations; add dump logic
+ for explicit realigns.
+ (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
+ vec_perm for VSX and handle vec_promote_demote.
+
+2012-02-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52177
+ * builtins.c (fold_builtin_atomic_always_lock_free,
+ expand_builtin_atomic_always_lock_free,
+ fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
+ Return and/or test boolean_true_node/boolean_false_node instead of
+ integer_one_node/integer_zero_node.
+
+2012-02-10 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48600
+ * predict.c (predict_paths_for_bb): Prevent looping.
+ (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
+
+2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
+
+ * config/arm/arm.c (output_move_double): In one case properly
+ count number of instructions that will be emitted.
+
+2012-02-10 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52193
+ * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
+
+2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
+
+ PR middle-end/52140
+ * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
+
+2012-02-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52165
+ * var-tracking.c (emit_note_insn_var_location): If
+ EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
+ emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
+ non-NOTE_DURING_CALL_P insn.
+
+2012-02-09 Bin Cheng <bin.cheng@arm.com>
+
+ PR middle-end/51867
+ * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
+
+2012-02-08 Magnus Granberg <zorry@gentoo.org>
+
+ PR driver/48524
+ * gcc.c (switch_matches) Support switches with separated form,
+ -D and -U.
+
+2012-02-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (SREG_ADDR): Remove constant definition.
+ (SP_ADDR): Ditto.
+ (RAMPZ_ADDR): Ditto.
+ * config/avr/avr.c (avr_addr_t): New typedef.
+ (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
+ (avr_init_expanders): Initialize it.
+ (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
+ SREG_ADDR.
+ (expand_epilogue): Ditto.
+ (avr_print_operand): Ditto.
+ (avr_file_start): Ditto.
+ (avr_emit_movmemhi): Ditto.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/46886
+ * tree-flow.h (do_while_loop_p): Declare.
+ * tree-ssa-loop-ch.c (do_while_loop_p): Export.
+ * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
+
+2012-02-08 Andrew MacLeod <amacleod@redhat.com>
+
+ * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
+ always succeed for integers larger than a native word.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/52170
+ * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
+ properly handle integer vector modes.
+
+2012-02-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/52150
+ * coverage.c: Include target.h.
+ (build_var): Call targetm.strip_name_encoding on the assembler name.
+ Change one _ into . or $ if the target allows it.
+ * Makefile.in (coverage.o): Depend on $(TARGET_H).
+
+ PR rtl-optimization/52139
+ * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
+ is a BARRIER after emit_insn_after_noloc, move BB_END
+ to the last non-BARRIER insn before it.
+
+2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/24306
+ * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
+ (mips_gimplify_va_arg_expr): Call it instead of
+ std_gimplify_va_arg_expr.
+
+2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
+ message for -mno-pointers-to-nested-function.
+
+2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/51994
+ * expr.c (get_inner_reference): If there is an offset, add a negative
+ bit position to it (if any).
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52060
+ * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
+ copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
+ before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
+ and/or i0src_copy2 when needed.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
+ or LTOPLUGINSONAME if have_c.
+
+ * config/freebsd-spec.h: Add comment about what macros can be defined
+ in this header.
+ (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
+ * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
+ here instead.
+
+2012-02-07 Richard Guenther <rguenther@suse.de>
+
+ * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
+ newline in -alias dumps.
+
+2012-02-07 Kai Tietz <ktietz@redhat.com>
+ Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR target/40068
+ * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
+ Take care that typinfo gets dllexport-attribute.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52074
+ * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
+ if modifier < EXPAND_SUM call force_operand on the result.
+
+2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
+ adding __forwarder_dst__ prefix if a forwarder_section attribute is
+ present.
+ (epiphany_function_type): Replace types for specific interrupts with
+ EPIPHANY_FUNCTION_INTERRUPT.
+ (EPIPHANY_INTERRUPT_P): Update.
+ * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
+ New static function.
+ (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
+ <disinterrupt>: Affects type identity.
+ (epiphany_handle_interrupt_attribute): Handle variable number of
+ arguments.
+ (epiphany_compute_function_type): Update for new
+ epiphany_function_type definition.
+ (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
+ handlers with a longcall forwarder.
+ (epiphany_start_function): Handle multiple interrupt arguments and/or
+ forwarder_section attribute.
+
+ * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
+ libgloss.
+
+2012-02-07 Alan Modra <amodra@gmail.com>
+
+ PR target/52107
+ * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
+ subregs of TFmode.
+
+2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/50969
+ * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
+ use vec_perm rather than vector_stmt.
+ (vect_model_load_cost): Likewise.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
+ vec_perm to be the same as other vector statements.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
+ cost of vec_perm for TARGET_VSX.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52115
+ * tree-sra.c (access_has_replacements_p): New function.
+ (sra_modify_assign): Use it to decide whether a use is uninitialized.
+
+2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/52047
+ * trans-mem.c (expand_call_tm): Add an assertion.
+ * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
+ functions.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50955
+ * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
+ raise cost of expressions that replace an address with an
+ expression based on a different pointer.
+
+2012-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52129
+ * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
+ CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
+
+2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/48680
+ * doc/invoke.texi (C++ Dialect Options): Use @option markup for
+ -Weffc++ and specify guidelines come from second edition.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
+ (sibcall_value_multiple_internal, call_split, call_internal_direct)
+ (call_direct_split, call_value_split, call_value_internal_direct)
+ (call_value_direct_split, call_value_multiple_split): Use jal and
+ jal_macro attributes.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reload1.c (reload_regs_reach_end_p): Replace with...
+ (reload_reg_rtx_reaches_end_p): ...this function.
+ (new_spill_reg_store): Update commentary.
+ (emit_input_reload_insns): Don't clear new_spill_reg_store here.
+ (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
+ before setting new_spill_reg_store.
+ (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
+ Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
+ Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
+ for non-spill reload registers.
+
+2012-02-05 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/52091
+ * tree-vectorizer.h (vect_is_simple_use): Add an argument.
+ (vect_is_simple_use_1): Likewise.
+ * tree-vect-loop.c (vectorizable_reduction): Update calls
+ to vect_is_simple_use_1 and vect_is_simple_use.
+ (vectorizable_live_operation): Likewise.
+ * tree-vect-patterns.c (widened_name_p,
+ vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
+ * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
+ vectorizable_call, vectorizable_conversion, vectorizable_assignment,
+ vectorizable_shift,vectorizable_operation, vectorizable_store,
+ vectorizable_load): Likewise.
+ (vect_is_simple_cond): Add an argument, pass it to
+ vect_is_simple_use_1.
+ (vectorizable_condition): Update calls to vect_is_simple_cond,
+ vect_is_simple_use.
+ (vect_is_simple_use): Add an argument, the statement in which
+ OPERAND is used. Check that if OPERAND's def stmt is a double
+ reduction phi node, the use is a phi node too.
+ (vect_is_simple_use_1): Add an argument, pass it to
+ vect_is_simple_use.
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
+ to vect_is_simple_use.
+
+2012-02-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52095
+ * modulo-sched.c (dump_insn_locator): New function.
+ (loop_canon_p, sms_schedule): Use it.
+
+ PR rtl-optimization/52113
+ * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
+ even for decomposable shift/zext insns.
+
+2012-02-03 Jakub Jelinek <jakub@redhat.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ PR rtl-optimization/52092
+ * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
+ on get_iv_value result.
+
2012-02-02 Andrew Pinski <apinski@cavium.com>
PR middle-end/47982
* config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
than operand 2.
-2012-02-02 Jan Hubicka <jh@suse.cz>
- Tom de Vries <tom@codesourcery.com>
+2012-02-02 Jan Hubicka <jh@suse.cz>
+ Tom de Vries <tom@codesourcery.com>
PR middle-end/51998
* cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
- config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
- condition.
+ * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2012-01-31 Jakub Jelinek <jakub@redhat.com>
2012-01-29 Uros Bizjak <ubizjak@gmail.com>
- * config/alpha/alpha.c (alpha_option_overrride): Default to
+ * config/alpha/alpha.c (alpha_option_override): Default to
full IEEE compliance mode for Go language.
2011-01-29 Tijl Coosemans <tijl@coosemans.org>
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