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* arm/bpabi.S: Add EABI alignment attributes to objects.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index b1865d5..3653f88 100644 (file)
@@ -1,3 +1,229 @@
+2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm/bpabi.S: Add EABI alignment attributes to objects.
+       * arm/bpabi-v6m.S: Likewise.
+       * arm/crti.asm: Likewise.
+       * arm/crtn.asm: Likewise.
+       * arm/lib1funcs.asm: Likewise.
+       * arm/libunwind.S: Likewise.
+
+2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm-protos.h (tune_params): New structure.
+       * arm.c (current_tune): New variable.
+       (arm_constant_limit): Delete.
+       (struct processors): Add pointer to the tune parameters.
+       (arm_slowmul_tune): New tuning option.
+       (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
+       (all_cores): Adjust to pick up the tuning model.
+       (arm_constant_limit): New function.
+       (arm_override_options): Select the appropriate tuning model.  Delete
+       initialization of arm_const_limit.
+       (arm_split_constant): Use the new constant-limit model.
+       (arm_rtx_costs): Pick up the current tuning model.
+       * arm.md (is_strongarm, is_xscale): Delete.
+       * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
+       for Xscale variant architectures.
+       (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
+
+2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
+
+       * config/arm/arm.c (arm_gen_constant): Remove unused variable
+       can_shift.
+       (arm_rtx_costs_1): Remove unused variable extra_cost.
+       (arm_unwind_emit_set): Use variable offset.
+       (thumb1_output_casesi): Remove unused variable flags.
+
+2010-04-16  Jeff Law  <law@redhat.com>
+
+       * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
+       needing assignment rather than doing a two-phase assignment.  Remove
+       unused variable 'm'.
+
+2010-04-16  Jakub Jelinek  <jakub@redhat.com>
+
+       PR bootstrap/43767
+       * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
+
+2010-04-16  Doug Kwan  <dougkwan@google.com>
+
+       * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
+       (next_operand_entry_id): New static variable.
+       (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
+       (add_to_ops_vec): Assigned unique ID to operand entry.
+       (struct oecount_s): New field ID.
+       (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
+       (undistribute_ops_list): Assign unique IDs to oecounts.
+       (init_reassoc): reset next_operand_entry_id.
+
+2010-04-16  Doug Kwan  <dougkwan@google.com>
+
+       * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
+       missing left parenthesis.
+       
+2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
+       *btdi_rex64 using SWI48 mode iterator.
+       (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
+       (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
+       *jcc_btdi_mask_rex64.
+
+2010-04-16  Anatoly Sokolov  <aesok@post.ru>
+
+       * double-int.h (tree_to_double_int): Convert to macro.
+       * double-int.c (tree_to_double_int): Remove.
+
+2010-04-16  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/43762
+       * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
+       with want_address 2 and in case a single element list might be
+       possible, call it again with want_address 0.
+
+2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
+
+       * config/h8300/h8300.c (print_operand) : Modify case 'V' and
+       case 'W' print operands for HI mode.
+       * config/h8300/h8300.h (Y0, Y2) : New constraints.
+       * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
+       (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
+       * config/h8300/predicate.md (bit_register_indirect_operand): New.
+
+       * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
+
+       * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx, 
+       cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
+       #xx:3 and #xx:4 mode.
+
+       * config/h8300/h8300.md (inverted load with HImode dest): Add
+       support for H8300SX.
+
+       * config/h8300/predicate.md (bit_operand): Allow immediate values that
+       satisfy 'U' constraint.
+
+2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
+       flavor.
+       * configure: Regenerate.
+       * config.in: Regenerate.
+       * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
+       works.
+
+2010-04-16  Richard Guenther  <rguenther@suse.de>
+
+       * tree.h (struct tree_decl_minimal): Move pt_uid ...
+       (struct tree_decl_common): ... here.
+       (DECL_PT_UID): Adjust.
+       (SET_DECL_PT_UID): Likewise.
+       (DECL_PT_UID_SET_P): Likewise.
+
+2010-04-16  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43572
+       * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
+       * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
+       * tree-flow.h (is_call_clobbered): Remove.
+       * tree-flow-inline.h (is_call_clobbered): Likewise.
+       * tree-dfa.c (dump_variable): Do not dump call clobber state.
+       * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
+       (execute_return_slot_opt): Adjust.
+       * tree-tailcall.c (suitable_for_tail_opt_p): Remove
+       check for call clobbered vars here.
+       (find_tail_calls): Move tailcall verification to the
+       proper place.
+
+2010-04-16  Diego Novillo  <dnovillo@google.com>
+
+       * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
+       handled.
+
+2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
+
+       PR target/40603
+       * config/arm/arm.md (cbranchqi4): New pattern.
+       * config/arm/predicates.md (const0_operand,
+       cbranchqi4_comparison_operator): New predicates.
+
+2010-04-16  Richard Guenther  <rguenther@suse.de>
+
+       * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
+       (dump_gimple_stmt): Likewise.
+
+2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * recog.h (struct recog_data): New field is_operator.
+       (struct insn_operand_data): New field is_operator.
+       * recog.c (extract_insn): Set recog_data.is_operator.
+       * genoutput.c (output_operand_data): Emit code to set the
+       is_operator field.
+       * reload.c (find_reloads): Use it rather than testing for an
+       empty constraint string.
+
+       PR target/41514
+       * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
+       If the previous insn is a cbranchsi4_insn with the same arguments,
+       omit the compare instruction.
+
+       * config/arm/arm.md (addsi3_cbranch): If destination is a high
+       register, inputs must be low registers and we need a low register
+       scratch.  Handle alternative 2 like alternative 3.
+
+2010-04-16  Jakub Jelinek  <jakub@redhat.com>
+
+       * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
+       don't call get_addr on both.  If one expression is a VALUE and
+       the other a REG, check VALUE's locs if the REG isn't among them.
+
+2010-04-16  Christian Bruel  <christian.bruel@st.com>
+
+       * config/sh/sh.h (sh_frame_pointer_required): New function.
+       * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
+       (flag_omit_frame_pointer) Set.
+       (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
+       (rounded_frame_size): Adjust size with outgoing_args_size.
+       (sh_set_return_address): Must return from stack pointer.
+       * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
+       (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
+       (ACCUMULATE_OUTGOING_ARGS): Define.
+       * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
+       * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
+
+2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/43471
+       * config/sh/sh.c (sh_legitimize_reload_address): Use
+       MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
+       Remove a unneeded check for offset_base.
+
+2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * configure: Regenerated.
+
+2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+       * config/s390/s390.c (s390_call_save_register_used): Switch back
+       to HARD_REGNO_NREGS.
+
+2010-04-15  Richard Guenther  <rguenther@suse.de>
+
+       * alias.c (alias_set_subset_of): Handle alias-set zero
+       child properly.
+
+2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
+           Julian Brown  <julian@codesourcery.com>
+
+       * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
+       alternatives according to use of high and low regs.
+       * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
+       * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
+       optimizing for size on Thumb-2.
+
+2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
+
+       * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
+
 2010-04-15  Richard Guenther  <rguenther@suse.de>
 
        * tree-ssa-structalias.c (struct variable_info): Add
        div_and_round_double): Move prototypes ...
        * double-int.h: ... here.
 
-2010-04-15  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
 
        PR target/43742
        * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
        comment.
        * expmed.c (mask_rtx, lshift_value): (Ditto.).
 
-2010-04-14  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
        
        PR target/21803
        * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
        (logic): Ditto from logicprefix.
        (absneg_mnemonic): Ditto from absnegprefix.
        * config/i386/mmx.md: Update all users of maxminiprefix,
-       maxminfprefix and loficprefix for rename.
+       maxminfprefix and logicprefix for rename.
        * config/i386/sse.md: Ditto.
        * config/i386/sync.md (sync_<code><mode>): Update for
        logicprefix rename.
        (arm_output_addr_const_extra): Output expression for new pattern.
        * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
 
-2010-04-10  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
 
        * ira-costs.c (record_reg_classes): Ignore alternatives that are
        not enabled.
        * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
 
 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
-           Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+           Bernd Schmidt  <bernds@codesourcery.com>
 
        * loop-invariant.c (replace_uses): New static function.
        (move_invariant_reg): Use it to ensure we can replace the uses.
        * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
        an error.
 
-2010-03-19  Bernd Schmidt  <bernd.schmidt@codesourcery.com>
+2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
 
        PR rtl-optimization/42258
        * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a