2014-05-07 Jakub Jelinek Backported from mainline 2013-08-30 Jakub Jelinek PR tree-optimization/58277 * tree-ssa-strlen.c (strlen_enter_block): If do_invalidate gave up after seeing too many stmts with vdef in between dombb and current bb, invalidate everything. 2013-08-23 Jakub Jelinek PR tree-optimization/58209 * tree-tailcall.c (find_tail_calls): Give up for pointer result types if m or a is non-NULL. 2013-07-03 Jakub Jelinek PR target/57777 * config/i386/predicates.md (vsib_address_operand): Disallow SYMBOL_REF or LABEL_REF in parts.disp if TARGET_64BIT && flag_pic. 2013-06-27 Jakub Jelinek PR target/57623 * config/i386/i386.md (bmi_bextr_): Swap predicates and constraints of operand 1 and 2. PR target/57623 * config/i386/i386.md (bmi2_bzhi_3): Swap AND arguments to match RTL canonicalization. Swap predicates and constraints of operand 1 and 2. 2014-05-07 Richard Biener Backport from mainline 2013-11-19 Richard Biener PR tree-optimization/59164 * tree-vect-loop.c (vect_analyze_loop_operations): Adjust check whether we can create an epilogue loop to reflect the cases where we create one. 2014-05-07 Richard Biener Backport from mainline 2013-11-29 Richard Biener PR tree-optimization/59334 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Fix bug in previous commit. 2013-11-28 Richard Biener PR tree-optimization/59330 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Simplify and fix delayed marking of free calls not necessary. 2014-01-09 Richard Biener PR tree-optimization/59715 * tree-cfg.h (split_critical_edges): Declare. * tree-cfg.c (split_critical_edges): Export. * tree-ssa-sink.c (execute_sink_code): Split critical edges. 2014-05-07 Richard Biener PR tree-optimization/57864 * tree-ssa-pre.c (phi_translate_1): Backport NAME case simplification from mainline. Do not lookup the VN value-number here. 2014-05-07 Richard Biener Backport from mainline 2013-08-29 Richard Biener PR tree-optimization/58246 * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): Properly handle the dominance check inside a basic-block. 2014-05-06 Richard Biener Backport from mainline 2013-05-27 Richard Biener PR tree-optimization/57417 * tree-ssa-sccvn.c (set_ssa_val_to): Compare addresses using get_addr_base_and_unit_offset. 2014-04-25 Eric Botcazou PR target/60941 * config/sparc/sparc.md (ashlsi3_extend): Delete. 2014-04-23 Uros Bizjak Backport from mainline 2014-04-21 Uros Bizjak PR target/60909 * config/i386/i386.c (ix86_expand_builtin) : Use temporary register for target RTX. 2014-04-07 Martin Jambor PR ipa/60640 * ipa-cp.c (propagate_constants_accross_call): Do not propagate accross thunks. 2014-04-07 Dominique d'Humieres Backport from mainline 2013-09-14 Iain Sandoe PR target/48094 * config/darwin.c (darwin_objc2_section): Note if ObjC Metadata is seen. (darwin_objc1_section): Likewise. (darwin_file_end): Emit Image Info section when required. 2014-04-04 Richard Biener * tree-ssanames.c (make_ssa_name_fn): Fix assert. 2014-04-01 Richard Biener * gimple.h (struct gimple_statement_base): Align subcode to 16 bits. 2014-04-01 Sebastian Huber * doc/invoke.texi (mapp-regs): Clarify. 2014-03-23 Eric Botcazou PR rtl-optimization/60601 * bb-reorder.c (fix_up_fall_thru_edges): Test EDGE_FALLTHRU everywhere. 2014-03-20 Jakub Jelinek PR target/60568 * config/i386/i386.c (x86_output_mi_thunk): Surround UNSPEC_GOT into CONST, put pic register as first operand of PLUS. Use gen_const_mem for both 32-bit and 64-bit PIC got loads. 2014-03-19 Eric Botcazou * tree-dfa.c (get_ref_base_and_extent) : Remove space. 2014-03-18 Kai Tietz PR rtl-optimization/56356 * sdbout.c (sdbout_parms): Verify that parms' incoming argument is valid. (sdbout_reg_parms): Likewise. 2014-03-18 Richard Biener Backport from mainline 2013-11-05 Richard Biener PR middle-end/58941 * tree-dfa.c (get_ref_base_and_extent): Merge common code in MEM_REF and TARGET_MEM_REF handling. Make sure to process trailing array detection before diving into the view-converted object (and possibly apply some extra offset). 2012-05-07 Eric Botcazou * tree-dfa.c (get_ref_base_and_extent) : Do the offset computation using the precision of the index type. 2012-05-31 Eric Botcazou * tree-dfa.c (get_ref_base_and_extent): Compute the offset using double ints throughout. 2014-03-18 Richard Biener Backport from mainline 2013-08-27 Richard Biener PR tree-optimization/57521 * tree-if-conv.c (if_convertible_bb_p): Verify that at least one edge is non-critical. (find_phi_replacement_condition): Make sure to use a non-critical edge. Cleanup and remove old bug workarounds. (bb_postdominates_preds): Remove. (if_convertible_loop_p_1): Do not compute post-dominators. (combine_blocks): Do not free post-dominators. (main_tree_if_conversion): Likewise. 2013-09-03 Richard Biener PR middle-end/57656 * fold-const.c (negate_expr_p): Fix division case. (negate_expr): Likewise. 2013-11-19 Richard Biener PR tree-optimization/57517 * tree-predcom.c (combinable_refs_p): Verify the combination is always executed when the refs are. 2014-03-17 Richard Biener Backport from mainline 2013-05-21 Richard Biener PR tree-optimization/57303 * tree-ssa-sink.c (statement_sink_location): Properly handle self-assignments. 2013-12-02 Richard Biener PR tree-optimization/59139 * tree-ssa-loop-niter.c (chain_of_csts_start): Properly match code in get_val_for. (get_val_for): Use gcc_checking_asserts. 2014-02-14 Richard Biener PR tree-optimization/60183 * tree-ssa-phiprop.c (propagate_with_phi): Avoid speculating loads. (tree_ssa_phiprop): Calculate and free post-dominators. 2014-03-14 Georg-Johann Lay Backport from 2014-03-14 trunk r208562. PR target/59396 * config/avr/avr.c (avr_set_current_function): Pass function name through default_strip_name_encoding before sanity checking instead of skipping the first char of the assembler name. 2014-02-24 John David Anglin * config/pa/pa.c (pa_output_move_double): Don't valididate when adjusting offsetable addresses. 2014-02-21 Uros Bizjak Backport from mainline 2014-02-21 Jakub Jelinek * config/i386/i386.c (ix86_expand_vec_perm): Use V8SImode mode for mask of V8SFmode permutation. Backport from 4.8 branch 2014-02-20 Jakub Jelinek PR target/57896 * config/i386/i386.c (expand_vec_perm_interleave2): Don't call gen_reg_rtx if d->testing_p. (expand_vec_perm_pshufb2, expand_vec_perm_even_odd_1, expand_vec_perm_broadcast_1): Return early if d->testing_p and we will certainly return true. 2014-02-20 Terry Guo Backport from mainline 2014-02-08 Terry Guo * doc/invoke.texi: Document ARM -march=armv7e-m. 2014-02-19 H.J. Lu Backport from mainline 2014-02-19 H.J. Lu PR target/60207 * config/i386/i386.c (construct_container): Remove TFmode check for X86_64_INTEGER_CLASS. 2014-02-18 Kai Tietz Backport from mainline PR target/60193 * config/i386/i386.c (ix86_expand_prologue): Use rax register as displacement for restoring %r10, %rax. Additional fix wrong offset for restoring both-registers. 2014-02-18 Eric Botcazou * ipa-prop.c (compute_complex_ancestor_jump_func): Replace overzealous assertion with conditional return. 2014-02-18 Jakub Jelinek Uros Bizjak PR driver/60233 * config/i386/driver-i386.c (host_detect_local_cpu): If YMM state is not saved by the OS, also clear has_f16c. Move CPUID 0x80000001 handling before YMM state saving checking. 2014-02-13 Uros Bizjak Backport from mainline 2014-02-13 Uros Bizjak * config/i386/sse.md (xop_vmfrcz2): Generate const0 in operands[2], not operands[3]. 2014-02-12 H.J. Lu Backport from mainline 2014-02-12 H.J. Lu Uros Bizjak PR target/60151 * configure.ac (HAVE_AS_GOTOFF_IN_DATA): Pass --32 to GNU assembler. 2014-02-05 James Greenhalgh * doc/invoke.texi: Fix thinko introduced by previous revision. 2014-02-05 James Greenhalgh Backport from mainline. 2014-02-05 James Greenhalgh PR target/59718 * doc/invoke.texi (-march): Clarify documentation for ARM. (-mtune): Likewise. (-mcpu): Likewise. 2014-02-04 Uros Bizjak Backport from mainline 2014-02-02 Uros Bizjak PR target/60017 * config/i386/i386.c (classify_argument): Fix handling of bit_offset when calculating size of integer atomic types. 2014-02-02 Uros Bizjak Backport from mainline 2014-01-30 Jakub Jelinek * config/i386/f16cintrin.h (_cvtsh_ss): Avoid -Wnarrowing warning. 2014-01-31 Richard Henderson PR middle-end/60004 * tree-eh.c (lower_try_finally_switch): Delay lowering finally block until after else_eh is processed. 2014-01-29 Markus Trippelsdorf Backport from mainline 2012-12-13 Jakub Jelinek PR gcov-profile/55650 * coverage.c (coverage_obj_init): Return false if no functions are being emitted. 2014-01-25 Walter Lee Backport from mainline 2014-01-25 Walter Lee * config/tilegx/sync.md (atomic_fetch_sub): Fix negation and avoid clobbering a live register. 2014-01-25 Walter Lee Backport from mainline 2014-01-25 Walter Lee * config/tilegx/tilegx-c.c (tilegx_cpu_cpp_builtins): Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2}. * config/tilegx/tilepro-c.c (tilepro_cpu_cpp_builtins): Define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_{1,2,4,8}. 2014-01-25 Walter Lee Backport from mainline 2014-01-25 Walter Lee * config/tilegx/tilegx.c (tilegx_gen_bundles): Delete barrier insns before bundling. * config/tilegx/tilegx.md (tile_network_barrier): Update comment. 2014-01-25 Walter Lee Backport from mainline 2014-01-25 Walter Lee * config/tilegx/tilegx.c (tilegx_expand_builtin): Set PREFETCH_SCHEDULE_BARRIER_P to true for prefetches. * config/tilepro/tilepro.c (tilepro_expand_builtin): Ditto. 2014-01-25 Walter Lee Backport from mainline 2014-01-25 Walter Lee * config/tilepro/tilepro.md (ctzdi2): Use register_operand predicate. (clzdi2): Ditto. (ffsdi2): Ditto. 2014-01-25 Walter Lee Backport from mainline 2014-01-25 Walter Lee * config/tilegx/tilegx.c (tilegx_expand_to_rtl_hook): New. (TARGET_EXPAND_TO_RTL_HOOK): Define. 2014-01-22 Uros Bizjak Jakub Jelinek PR target/59880 * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false for SImode_address_operand operands. Return false if operands[1] is a REG. 2014-01-21 Andrey Belevantsev Backport from mainline 2013-12-23 Andrey Belevantsev PR rtl-optimization/57422 * sel-sched.c (mark_unavailable_hard_regs): Fix typo when calling add_to_hard_reg_set. 2014-01-19 John David Anglin * config/pa/pa.c (pa_attr_length_millicode_call): Correct length of long non-pic millicode calls. 2014-01-17 John David Anglin * config/pa/pa.c (pa_attr_length_indirect_call): Don't output a short call to $$dyncall when TARGET_LONG_CALLS is true. 2014-01-17 Charles Baylis Backport from mainline 2013-12-19 Charles Baylis PR target/59142 * config/arm/arm-ldmstm.ml: Use low_register_operand for Thumb patterns. * config/arm/ldmstm.md: Regenerate. 2013-12-19 Charles Baylis PR target/59142 * config/arm/predicates.md (arm_hard_general_register_operand): New predicate. (arm_hard_register_operand): Remove. * config/arm/arm-ldmstm.ml: Use arm_hard_general_register_operand for all patterns. * config/arm/ldmstm.md: Regenerate. 2014-01-16 Jakub Jelinek PR target/59839 * config/i386/i386.c (ix86_expand_builtin): If target doesn't satisfy operand 0 predicate for gathers, use a new pseudo as subtarget. 2014-01-16 Richard Henderson PR debug/54694 * reginfo.c (global_regs_decl): Globalize. * rtl.h (global_regs_decl): Declare. * ira.c (do_reload): Diagnose frame_pointer_needed and it reserved via global_regs. 2014-01-16 Marek Polacek Backport from mainline 2014-01-16 Marek Polacek PR middle-end/59827 * gimple-low.c (gimple_check_call_args): Don't use DECL_ARG_TYPE if it is error_mark_node. 2014-01-14 Uros Bizjak Revert: 2014-01-08 Uros Bizjak * config/i386/i386.c (ix86_data_alignment): Calculate max_align from prefetch_block tune setting. 2014-01-10 Richard Earnshaw PR rtl-optimization/54300 * regcprop.c (copyprop_hardreg_forward_1): Ensure any unused outputs in a single-set are killed from the value chains. 2014-01-10 Huacai Chen * config/mips/driver-native.c (host_detect_local_cpu): Handle new kernel strings for Loongson-2E/2F/3A. 2014-01-08 Uros Bizjak Backport from mainline 2014-01-05 Uros Bizjak * config/i386/i386.c (ix86_data_alignment): Calculate max_align from prefetch_block tune setting. (nocona_cost): Correct size of prefetch block to 64. 2013-12-28 Eric Botcazou * doc/invoke.texi (output file options): Add missing markers. 2013-12-11 Kai Tietz PR target/56807 * config/i386/i386.c (ix86_expand_prologue): plus_constant takes no mode-argument. 2013-12-10 Kai Tietz PR target/56807 * config/i386/i386.c (ix86_expand_prologue): Address saved registers stack-relative, not via frame-pointer. 2013-12-03 Marek Polacek Backport from mainline 2013-12-03 Marek Polacek PR c/59351 * c-decl.c (build_compound_literal): Allow compound literals with empty initial value. 2013-12-01 Eric Botcazou * config/i386/winnt.c (i386_pe_asm_named_section): Be prepared for an identifier node. 2013-11-28 Uros Bizjak Backport from mainline 2013-11-23 Uros Bizjak PR target/56788 * config/i386/i386.c (bdesc_multi_arg) : Declare as MULTI_ARG_1_SF instruction. : Decleare as MULTI_ARG_1_DF instruction. * config/i386/sse.md (*xop_vmfrcz2): Rename from *xop_vmfrcz_. * config/i386/xopintrin.h (_mm_frcz_ss): Use __builtin_ia32_movss to merge scalar result with __A. (_mm_frcz_sd): Use __builtin_ia32_movsd to merge scalar result with __A. 2013-11-19 Uros Bizjak Backport from mainline 2013-11-18 Uros Bizjak * config/i386/i386.c (ix86_decompose_address): Use REG_P instead of ix86_address_subreg_operand. Move subreg checks to ix86_validate_address_register. Move address override check to ix86_legitimate_address_p. (ix86_validate_address_register): New function. (ix86_legitimate_address_p): Call ix86_validate_address_register to validate base and index registers. Add address override check from ix86_decompose_address. (ix86_decompose_address): Remove. Backport from mainline 2013-11-17 Uros Bizjak PR target/59153 * config/i386/i386.c (ix86_address_subreg_operand): Do not reject non-integer subregs. (ix86_decompose_address): Do not reject invalid CONST_INT RTXes. Move check for invalid x32 constant addresses ... (ix86_legitimate_address_p): ... here. Bacport from mainline 2012-03-13 Uros Bizjak * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg) addresses only when %reg is not in word mode. 2013-11-10 Karlson2k Kai Tietz Merged from trunk PR plugins/52872 * configure.ac: Adding for exported symbols check and for rdynamic-check executable-extension. * configure: Regenerated. 2013-11-07 H.J. Lu PR target/59034 * config/i386/i386.md (push peepholer/splitter): Use Pmode with stack_pointer_rtx. 2013-11-05 Uros Bizjak * config/i386/t-rtems (MULTILIB_MATCHES): Fix option typos. 2013-10-26 Uros Bizjak Backport from mainline 2013-10-22 Uros Bizjak PR target/58779 * config/i386/i386.c (put_condition_code) : Remove CCCmode handling. : Return 'c' suffix for CCCmode. : Return 'nc' suffix for CCCmode. (ix86_cc_mode) : Do not generate overflow checks. * config/i386/i386.md (*sub3_cconly_overflow): Remove. (*sub3_cc_overflow): Ditto. (*subsi3_zext_cc_overflow): Ditto. 2013-10-26 Uros Bizjak Backport from mainline 2013-10-19 Uros Bizjak PR target/58792 * config/i386/i386.c (ix86_function_value_regno): Add DX_REG, ST1_REG and XMM1_REG for 32bit and 64bit targets. Also add DI_REG and SI_REG for 64bit SYSV ABI targets. 2013-10-25 Richard Henderson PR rtl/58542 * optabs.c (maybe_emit_atomic_exchange): Use create_input_operand instead of create_convert_operand_to. (maybe_emit_sync_lock_test_and_set): Likewise. (expand_atomic_compare_and_swap): Likewise. (maybe_emit_compare_and_swap_exchange_loop): Don't convert_modes. 2013-10-25 Eric Botcazou PR rtl-optimization/58831 * alias.c (init_alias_analysis): At the beginning of each iteration, set the reg_seen[N] flag if static_reg_base_value[N] is non-null. 2013-10-25 Eric Botcazou * recog.c (search_ofs): New static variable moved from... (peep2_find_free_register): ...here. (peephole2_optimize): Initialize it. 2013-10-02 John David Anglin * config.gcc (hppa*64*-*-linux*): Don't add pa/t-linux to tmake_file. 2013-09-23 Eric Botcazou * tree-ssa-ccp.c (insert_clobber_before_stack_restore): Recurse on copy assignment statements. 2013-09-20 John David Anglin * config/pa/pa.md: In "scc" insn patterns, change output template to handle const0_rtx in reg_or_0_operand operands. 2013-09-18 Daniel Morris Paolo Carlini PR c++/58458 * doc/implement-cxx.texi: Fix references to the C++ standards. 2013-09-14 John David Anglin PR target/58382 * config/pa/pa.c (pa_expand_prologue): Change mode in gen_rtx_POST_INC calls to word_mode. 2013-09-12 Terry Guo Backport from mainline 2012-09-17 Richard Guenther PR lto/54598 * tree-streamer-in.c (unpack_ts_real_cst_value_fields): Use ggc'ed FIXED_VALUE_TYPE instead of struct fixed_value. 2013-09-10 Richard Earnshaw PR target/58361 * arm/vfp.md (combine_vcvt_f32_): Fix pattern to support conditional execution. (combine_vcvt_f64_): Likewise. 2013-09-01 Uros Bizjak Backport from mainline 2013-08-31 Uros Bizjak * config/alpha/alpha.c (alpha_emit_conditional_move): Update "cmp" RTX before signed_comparison_operator check to account for "code" changes. 2013-09-01 John David Anglin * config/pa/pa.md: Allow "const 0" operand 1 in "scc" insns. 2013-09-01 Iain Sandoe Backported from 4.8 2012-06-19 Steven Bosscher * doc/tm.texi.in (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE, TARGET_OBJC_DECLARE_CLASS_DEFINITION): Add @hooks. (ASM_DECLARE_CLASS_REFERENCE, ASM_DECLARE_UNRESOLVED_REFERENCE): Remove. * doc/tm.texi: Regenerate. * config/darwin.h (ASM_OUTPUT_LABELREF): Remove special case for .objc_class_name_*. * config/darwin-c.c: Include target.h. (darwin_objc_declare_unresolved_class_reference): New function. (darwin_objc_declare_class_definition): New function. (TARGET_OBJC_DECLARE_UNRESOLVED_CLASS_REFERENCE): Define. (TARGET_OBJC_DECLARE_CLASS_DEFINITION): Define. 2013-09-01 Iain Sandoe Backport from mainline: 2013-07-22 Uros Bizjak * config/i386/i386.md (nonlocal_goto_receiver): Delete insn if it is not needed after split. 2013-07-20 Iain Sandoe PR target/51784 * config/i386/i386.c (output_set_got) [TARGET_MACHO]: Adjust to emit a second label for nonlocal goto receivers. Don't output pic base labels unless we're producing PIC; mark that action unreachable(). (ix86_save_reg): If the function contains a nonlocal label, save the PIC base reg. * config/darwin-protos.h (machopic_should_output_picbase_label): New. * gcc/config/darwin.c (emitted_pic_label_num): New GTY. (update_pic_label_number_if_needed): New. (machopic_output_function_base_name): Adjust for nonlocal receiver case. (machopic_should_output_picbase_label): New. * config/i386/i386.md (enum unspecv): UNSPECV_NLGR: New. (nonlocal_goto_receiver): New insn and split. 2013-08-28 Uros Bizjak Backport from mainline 2013-08-27 Christian Widmer PR target/57927 * config/i386/driver-i386.c (host_detect_local_cpu): Add detection of Ivy Bridge processors. 2013-08-21 Richard Earnshaw PR target/56979 * arm.c (aapcs_vfp_allocate): Decompose the argument if the suggested mode for the assignment isn't compatible with the registers required. 2013-08-17 Uros Bizjak Backport from mainline 2013-08-12 Perez Read PR target/58132 * config/i386/i386.md (*movabs_1): Add PTR before operand 0 for intel asm alternative. (*movabs_2): Ditto for operand 1. 2013-08-13 Marek Polacek Backport from 4.8: 2013-0813 Marek Polacek Jakub Jelinek PR tree-optimization/57980 * tree-tailcall.c (process_assignment): Return false when not dealing with integers or floats. 2013-08-12 David Edelsohn Backport from mainline 2013-02-14 Steven Bosscher * collect2-aix.h: Define F_LOADONLY. 2013-08-02 Eric Botcazou * config/sparc/sparc.c (sparc_emit_membar_for_model) : Add the implied StoreLoad barrier for atomic operations if before. 2013-07-11 Georg-Johann Lay Backport from 2013-07-11 trunk r200901. PR target/57631 * config/avr/avr.c (avr_set_current_function): Sanity-check signal name seen by assembler/linker if available. 2013-07-10 Georg-Johann Lay Backport from 2013-07-10 trunk r200872. PR target/57844 * config/avr/avr.c (avr_prologue_setup_frame): Trunk -size to mode of my_fp. 2013-07-10 Uros Bizjak Backport from mainline 2013-07-06 Uros Bizjak * config/i386/sse.md (sse_movlhps): Change alternative 3 of operand 2 to "m". 2013-07-09 Joseph Myers * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Only adjust register size for TDmode and TFmode for VSX registers. 2013-07-08 Eric Botcazou * Makefile.in (tree-ssa-reassoc.o): Add dependency on $(PARAMS_H). 2013-07-08 Jakub Jelinek PR rtl-optimization/57829 * simplify-rtx.c (simplify_binary_operation_1) : Ensure that mask bits outside of mode are just sign-extension from mode to HWI. 2013-07-05 Uros Bizjak Backport from mainline 2013-06-20 Uros Bizjak PR target/57655 * config/i386/i386.c (construct_container): Report error if long double is used with disabled x87 float returns. 2013-06-21 David Edelsohn Backport from mainline 2013-06-19 David Edelsohn PR driver/57652 * collect2.c (collect_atexit): New. (collect_exit): Delete. (main): Register collect_atexit with atexit. (collect_wait): Change collect_exit to exit. (do_wait): Same. * collect2.h (collect_exit): Delete. * tlink.c (do_tlink): Rename exit to ret. Change collect_exit to exit. 2013-06-07 Uros Bizjak Backport from mainline 2013-06-10 Uros Bizjak * config/alpha/alpha.c (alpha_emit_xfloating_compare): Also use cmp_code to construct REG_EQUAL note. Backport from mainline 2013-06-05 Uros Bizjak * config/alpha/alpha.c (alpha_emit_conditional_move): Swap all GE, GT, GEU and GTU compares, modulo DImode compares with zero. Backport from mainline 2013-05-23 Uros Bizjak PR target/57379 * config/alpha/alpha.md (unspec): Add UNSPEC_XFLT_COMPARE. * config/alpha/alpha.c (alpha_emit_xfloating_compare): Construct REG_EQUAL note as UNSPEC_XFLT_COMPARE unspec. 2013-06-09 Jakub Jelinek PR target/57568 * config/i386/i386.md (TARGET_READ_MODIFY_WRITE peepholes): Ensure that operands[2] doesn't overlap with operands[0]. 2013-05-22 Uros Bizjak PR target/57356 * config/i386/i386.md (*movti_internal_rex64): Emit movaps/movups for non-sse2 targets. Simplify mode attribute calculation. 2013-05-17 Uros Bizjak Backport from mainline 2013-05-16 Uros Bizjak * config/i386/driver-i386.c (host_detect_local_cpu): Determine cache parameters using detect_caches_amd also for CYRIX, NSC and TM2 signatures. 2013-05-16 Uros Bizjak Dzianis Kahanovich PR target/45359 PR target/46396 * config/i386/driver-i386.c (host_detect_local_cpu): Detect VIA/Centaur processors and determine their cache parameters using detect_caches_amd. 2013-05-15 Uros Bizjak * config/i386/i386.c (ix86_option_override_internal): Add PTA_POPCNT to corei7 entry. 2013-05-14 Richard Biener PR gcov-profile/57269 Backport from mainline 2012-06-30 Nathan Sidwell * coverage.c (coverage_init): Read counts file before writing graph header. 2013-05-13 Uros Bizjak PR target/57264 Backport from mainline 2013-01-22 Jakub Jelinek PR target/55686 * config/i386/i386.md (UNSPEC_STOS): New. (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1, *strsetqi_1): Add UNSPEC_STOS. 2013-05-10 Joey Ye Backport from mainline 2012-11-29 Matthew Gretton-Dann PR target/54974 * config/arm/arm.md (thumb2_pool_range, pool_range): Add comment on Thumb pool ranges. (thumb1_extendhisi2): Reduce Thumb pool range. (arm_movdi): Likewise. (thumb1_movdi_insn): Likewise. (thumb1_movsi_insn): Likewise. (pic_load_addr_unified): Likewise. (pic_load_addr_32bit): Likewise. (pic_load_addr_thumb1): Likewise. (thumb1_movhf): Likewise. (arm_movsf_soft_insn): Likewise. (thumb1_movsf_soft_insn): Likewise. (movdf_soft_insn): Likewise. (thumb1_movdf_soft_insn): Likewise. * config/arm/neon.md (*neon_mov): Likewise. (*neon_mov): Likwise. * config/arm/thumb2.md: (*thumb2_movsi_insn): Likewise. (*thumb2_movhi_insn): Likewise. (*thumb2_extendqisi_v6): Likewise. (*thumb2_zero_extendqisi_v6): Likewise. (*thumb2_zero_extendqisi2_v6): Likewise. * config/arm/vfp.md: (*thumb2_movsi_vfp): Likewise. (*movdi_vfp): Likewise. (*movdi_vfp_cortexa8): Likewise. (*thumb2_movsf_vfp): Likewise. (*thumb2_movdf_vfp): Likewise. 2013-05-10 Sebastian Huber * config/arm/t-rtems-eabi: Remove mthumb/march=armv7 multilib. Add mthumb/march=armv7-a multilib. Add mthumb/march=armv7-r multilib. Add mthumb/march=armv7-a/mfpu=neon/mfloat-abi=hard multilib. 2013-05-10 Ralf Corsépius PR target/57237 * config/v850/t-rtems: Add more multilibs. 2013-05-07 Michael Meissner Backport from trunk 2013-05-03 Michael Meissner PR target/57150 * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Use DFmode to save TFmode registers and DImode to save TImode registers for caller save operations. (HARD_REGNO_CALL_PART_CLOBBERED): TFmode and TDmode do not need to mark being partially clobbered since they only use the first double word. * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): TFmode and TDmode only use the upper 64-bits of each VSX register. 2013-05-03 Marek Polacek Backport from mainline 2013-04-25 Marek Polacek PR tree-optimization/57066 * builtins.c (fold_builtin_logb): Return +Inf for -Inf. 2013-04-30 Uros Bizjak Backport from mainline 2013-04-29 Uros Bizjak PR target/44578 * config/i386/i386.md (*zero_extendsidi2_rex64): Add "!" to m->?*y alternative. (*zero_extendsidi2): Ditto. Backport from mainline 2013-04-29 Uros Bizjak PR target/57098 * config/i386/i386.c (ix86_expand_vec_perm): Validize constant memory. 2013-04-29 Christian Bruel PR target/57108 * sh.md (tstsi_t_zero_extract_eq): Set mode for operand 0. 2013-04-27 Jakub Jelinek PR target/56866 * config/i386/sse.md (xop_rotr3): Fix up computation of the immediate rotate count. 2013-04-21 Eric Botcazou * cfgexpand.c (avoid_complex_debug_insns): Fix C++ism. 2013-04-19 Matthias Klose PR middle-end/56848 Re-apply 2013-04-01 Andrey Belevantsev Backport from mainline 2013-02-25 Andrey Belevantsev Alexander Monakov PR middle-end/56077 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier, flush pending lists also on non-jumps. Adjust comment. Backport from 4.8: 2012-08-27 Maxim Kuvyrkov * sched-deps.c (add_dependence_list_and_free): Simplify. (flush_pending_list_and_free): Fix a hack that was fixing a hack. Free lists when add_dependence_list_and_free doesn't free them. 2013-04-19 Marek Polacek Backport from mainline 2013-01-08 Steven Bosscher Jakub Jelinek PR tree-optimization/48189 * predict.c (predict_loops): If max is 0, don't call compare_tree_int. If nitercst is 0, don't predict the exit edge. 2013-04-16 Jack Howarth Backport from mainline 2012-05-29 Jack Howarth * config/darwin.h (STARTFILE_SPEC): Use -no_new_main with -lgcrt1.o on Darwin >= 12. (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10 and < 12. 2012-05-29 Jack Howarth PR debug/53453 * doc/tm.texi: Update. * doc/tm.texi.in (SDB and DWARF) : Add @hook. * target.def (force_at_comp_dir): New hook. * config/darwin.h (TARGET_FORCE_AT_COMP_DIR): Define. * dwarf2out.c (dwarf2out_finish): Check targetm.force_at_comp_dir. 2013-04-15 Eric Botcazou PR target/56890 * config/sparc/sparc.c (enum sparc_mode_class): Add H_MODE value. (S_MODES): Set H_MODE bit. (SF_MODES): Set only S_MODE and SF_MODE bits. (DF_MODES): Set SF_MODES and only D_MODE and DF_MODE bits. (sparc_init_modes) : Set H_MODE bit for sub-word modes. : Do not set SF_MODE for sub-word modes. : Likewise. 2013-04-13 John David Anglin Backport from mainline: 2013-04-06 John David Anglin PR target/55487 * config/pa/pa.c (legitimize_pic_address): Before incrementing label nuses, make sure we have a label. 2013-04-11 Richard Biener * BASE-VER: Set to 4.7.4. * DEV-PHASE: Set to prerelease. 2013-04-11 Release Manager * GCC 4.7.3 released. 2013-04-10 David S. Miller * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=supersparc or -mcpu=hypersparc. 2013-04-05 Eric Botcazou PR middle-end/56848 Revert 2013-04-01 Andrey Belevantsev Backport from mainline 2013-02-25 Andrey Belevantsev Alexander Monakov PR middle-end/56077 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier, flush pending lists also on non-jumps. Adjust comment. 2013-04-03 Richard Biener PR tree-optimization/56501 * tree-switch-conversion.c (check_process_case): Properly handle !single_succ_p case. 2013-04-03 Jakub Jelinek Backported from mainline 2013-03-06 Jakub Jelinek PR tree-optimization/56539 * tree-tailcall.c (adjust_return_value_with_ops): Use GSI_SAME_STMT instead of GSI_CONTINUE_LINKING as last argument to force_gimple_operand_gsi. Adjust function comment. 2013-03-05 Jakub Jelinek PR debug/56510 * cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming. (avoid_complex_debug_insns): New function. (expand_debug_locations): Call it. 2013-04-02 Wei Mi * config/i386/i386.c (ix86_rtx_costs): Set proper rtx cost for ashl3_mask, *3_mask and *3_mask in i386.md. 2013-04-02 Richard Biener PR middle-end/56768 Backport from mainline 2012-05-16 Richard Guenther * tree-inline.c (declare_return_variable): Properly handle DECL_BY_REFERENCE return vars in SSA form. 2013-04-01 Wei Mi * config/i386/i386.md (*ashl3_mask): Rewrite as define_insn. Truncate operand 2 using %b asm operand modifier. (*3_mask): Ditto. (*3_mask): Ditto. 2013-04-01 Uros Bizjak * config/i386/i386.md (*movsf_internal): Change type of alternatives 3,4 to imov. 2013-04-01 Andrey Belevantsev Backport from mainline 2013-02-27 Andrey Belevantsev PR middle-end/45472 * sel-sched-ir.c (merge_expr): Also change vinsn of merged expr when the may_trap_p bit of the exprs being merged differs. Reorder tests for speculativeness in the logical and operator. Backport from mainline 2013-03-05 Jakub Jelinek PR middle-end/56461 * sel-sched-ir.c (free_sched_pools): Release succs_info_pool.stack[succs_info_pool.max_top] vectors too if succs_info_pool.max_top isn't -1. 2013-04-01 Andrey Belevantsev Backport from mainline 2012-02-19 Andrey Belevantsev PR middle-end/55889 * sel-sched.c: Include ira.h. (implicit_clobber_conflict_p): New function. (moveup_expr): Use it. * Makefile.in (sel-sched.o): Depend on ira.h. 2013-04-01 Andrey Belevantsev Backport from mainline 2013-02-25 Andrey Belevantsev Alexander Monakov PR middle-end/56077 * sched-deps.c (sched_analyze_insn): When reg_pending_barrier, flush pending lists also on non-jumps. Adjust comment. 2013-03-30 Gerald Pfeifer * doc/invoke.texi (AVR Options): Tweak link for AVR-LibC user manual. * doc/extend.texi (Named Address Spaces): Ditto. (Variable Attributes): Ditto. 2013-03-28 Eric Botcazou * toplev.c (process_options): Do not disable -fomit-frame-pointer on a general basis if unwind info is requested and ACCUMULATE_OUTGOING_ARGS is not enabled. 2013-03-27 Walter Lee Backport from mainline: 2013-03-27 Walter Lee * config/tilegx/tilegx.c (tilegx_expand_prologue): Avoid double-decrement of next_scratch_regno. 2013-03-27 Walter Lee Backport from mainline: 2013-03-27 Walter Lee * config/tilegx/tilegx.md (insn_v1mulu): Fix predicates on input operands. (insn_v1mulus): Ditto. (insn_v2muls): Ditto. 2013-03-27 Walter Lee Backport from mainline: 2013-03-27 Walter Lee * config/tilegx/tilegx.h (ASM_OUTPUT_ADDR_VEC_ELT): Delete extra tab. (ASM_OUTPUT_ADDR_DIFF_ELT): Ditto. 2013-03-27 Walter Lee Backport from mainline: 2013-03-27 Walter Lee * config/tilegx/tilegx.md (*sibcall_insn): Fix type atribute for jr. (*sibcall_value): Ditto. 2013-03-27 Walter Lee Backport from mainline: 2013-03-27 Walter Lee * config/tilegx/tilegx.md (insn_mnz_): Replaced by ... (insn_mnz_v8qi): ... this ... (insn_mnz_v4hi): ... and this. Replace (const_int 0) with the vector equivalent. (insn_vmnz): Replaced by ... (insn_v1mnz): ... this ... (insn_v2mnz): ... and this. Replace (const_int 0) with the vector equivalent. (insn_mz_): Replaced by ... (insn_mz_v8qi): ... this ... (insn_mz_v4hi): ... and this. Replace (const_int 0) with the vector equivalent. (insn_vmz): Replaced by ... (insn_v1mz): ... this ... (insn_v2mz): ... and this. Replace (const_int 0) with the vector equivalent. 2013-03-26 Eric Botcazou * doc/invoke.texi (SPARC options): Remove -mlittle-endian. 2013-03-26 Richard Biener Backport from mainline: 2013-03-13 Richard Biener PR tree-optimization/56608 * tree-vect-slp.c (vect_schedule_slp): Do not remove scalar calls when vectorizing basic-blocks. 2013-03-05 Richard Biener PR tree-optimization/56270 * tree-vect-slp.c (vect_schedule_slp): Clear vectorized stmts of loads after scheduling an SLP instance. 2013-03-26 Walter Lee Backport from mainline: 2013-03-26 Walter Lee * config/tilegx/tilegx.h (PROFILE_BEFORE_PROLOGUE): Define. * config/tilegx/tilepro.h (PROFILE_BEFORE_PROLOGUE): Define. 2013-03-26 Walter Lee Backport from mainline: 2013-03-25 Walter Lee * config/tilegx/tilegx-builtins.h (enum tilegx_builtin): Add TILEGX_INSN_SHUFFLEBYTES1. * config/tilegx/tilegx.c (tilegx_builtin_info): Add entry for shufflebytes1. (tilegx_builtins): Ditto. * config/tilegx/tilegx.md (insn_shufflebytes1): New pattern. 2013-03-26 Walter Lee Backport from mainline: 2013-03-25 Walter Lee * config/tilegx/tilegx.c (expand_set_cint64_one_inst): Inline tests for constraint J, K, N, P. 2013-03-26 Walter Lee Backport from mainline: 2013-03-25 Walter Lee * config/tilegx/tilegx.c (tilegx_asm_preferred_eh_data_format): Use indirect/pcrel encoding. * config/tilepro/tilepro.c (tilepro_asm_preferred_eh_data_format): Ditto. 2013-03-25 Oleg Endo Backport from mainline: 2013-03-13 Oleg Endo 2013-03-14 Kaz Kojima PR target/49880 * config/sh/sh.opt (FPU_SINGLE_ONLY): New mask. (musermode): Convert to Var(TARGET_USERMODE). * config/sh/sh.h (SELECT_SH2A_SINGLE_ONLY, SELECT_SH4_SINGLE_ONLY, MASK_ARCH): Add MASK_FPU_SINGLE_ONLY. * config/sh/sh.c (sh_option_override): Use TARGET_FPU_DOUBLE || TARGET_FPU_SINGLE_ONLY for call-fp case. * config/sh/sh.md (udivsi3_i1, divsi3_i1): Remove ! TARGET_SH4 condition. (udivsi3_i4, divsi3_i4): Use TARGET_FPU_DOUBLE condition instead of TARGET_SH4. (udivsi3_i4_single, divsi3_i4_single): Use TARGET_FPU_SINGLE_ONLY || TARGET_FPU_DOUBLE instead of TARGET_HARD_SH4. * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_USERMODE. (SUBTARGET_OVERRIDE_OPTIONS): Set TARGET_USERMODE as default. * config/sh/netbsd-elf.h (TARGET_DEFAULT): Remove MASK_USERMODE. (SUBTARGET_OVERRIDE_OPTIONS): New. 2013-03-25 Oleg Endo Backport from mainline: 2012-04-03 Kaz Kojima * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only to m2a-single instead of m2e. 2013-03-22 H.J. Lu PR target/56560 * config/i386/i386.h (ix86_args): Define only if USED_FOR_TARGET isn't defined. 2013-03-22 H.J. Lu PR target/56560 * config/i386/i386.c (init_cumulative_args): Also set cum->callee_return_avx256_p. (ix86_function_arg): Set cum->callee_pass_avx256_p. Set cfun->machine->callee_pass_avx256_p only when MODE == VOIDmode. * config/i386/i386.h (ix86_args): Add callee_pass_avx256_p and callee_return_avx256_p. 2013-03-20 Rainer Orth Backport from mainline: 2012-12-04 Ian Lance Taylor * godump.c (find_dummy_types): Output a dummy type if we couldn't output the real type. 2013-03-20 Jack Howarth PR bootstrap/56258 * doc/generic.texi (POINTER_PLUS_EXPR): Use @item instead of @itemx. (PLUS_EXPR): Likewise. * doc/cppopts.texi (--help): Likewise. * doc/invoke.texi (-fenable-@var{kind}-@var{pass}): Likewise. (-fdump-rtl-cprop_hardreg): Likewise. (-fdump-rtl-csa): Likewise. (-fdump-rtl-dce): Likewise. (-fdump-rtl-dbr): Likewise. (-fdump-rtl-into_cfglayout): Likewise. (-fdump-rtl-outof_cfglayout): Likewise. 2013-03-18 Richard Earnshaw PR target/56470 * config/arm/arm.c (shift_op): Validate RTL pattern on the fly. (arm_print_operand, case 'S'): Don't use shift_operator to validate the RTL. 2013-03-14 Seth LaForge PR target/56351 Backport from mainline 2012-10-22 Julian Brown * config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing VFP D registers in big-endian mode. 2013-03-08 Joey Ye Backport from mainline 2013-03-06 Joey Ye PR lto/50293 * gcc.c (convert_white_space): New function. (main): Handles white space in function name. 2013-03-06 Oleg Endo Backport from mainline 2013-03-06 Oleg Endo PR target/56529 * config/sh/sh.c (sh_option_override): Check for TARGET_DYNSHIFT instead of TARGET_SH2 for call-table case. Do not set sh_div_strategy to SH_DIV_CALL_TABLE for TARGET_SH2. * config.gcc (sh_multilibs): Add m2 and m2a to sh*-*-linux* multilib list. * doc/invoke.texi (SH options): Use table for mdiv= option. Document mdiv= call-div1, call-fp, call-table options. 2013-03-06 Sebastian Huber * config.gcc (arm*-*-rtemself*): New. (arm*-*-rtems*): Removed. (arm*-*-eabi* | arm*-*-symbianelf* | arm*-*-rtemseabi*): Rename "arm*-*-rtemseabi*" to "arm*-*-rtems*". 2013-03-01 Richard Biener Backport from mainline 2012-12-12 Zdenek Dvorak PR tree-optimization/55481 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fall back to general rewriting if we cannot leave an original biv definition alone. 2013-03-01 Richard Biener Backport from mainline 2012-04-10 Richard Guenther PR middle-end/52888 * gimple-low.c (gimple_check_call_args): Properly account for compatible aggregate types. 2013-02-26 Nick Clifton PR target/56453 Import this patch from the mainline: 2012-08-17 Nick Clifton * config/fr30/fr30.md (cbranchsi4): Remove mode from comparison. (branch_true): Likewise. (branch_false): Likewise. 2013-02-26 Jakub Jelinek PR tree-optimization/56443 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument to type_for_mode langhook. 2013-02-21 Jakub Jelinek PR bootstrap/56258 * doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item instead of @itemx. 2013-02-19 Jakub Jelinek Backported from mainline 2013-02-19 Jakub Jelinek PR tree-optimization/56350 * tree-vect-loop.c (vectorizable_reduction): If orig_stmt, return false if haven't found reduction or nested cycle operand, rather than asserting we must find it. PR tree-optimization/56381 * tree-ssa-pre.c (create_expression_by_pieces): Fix up last argument to fold_build3. 2013-02-08 Jakub Jelinek PR tree-optimization/56250 * fold-const.c (extract_muldiv_1) : Don't optimize if type is unsigned and code isn't MULT_EXPR. 2013-02-06 Jakub Jelinek PR middle-end/56217 * omp-low.c (use_pointer_for_field): Return false if lower_send_shared_vars doesn't generate any copy-out code. 2012-11-27 Jakub Jelinek PR tree-optimization/55110 * tree-vect-loop.c (vectorizable_reduction): Don't assert that STMT_VINFO_RELATED_STMT of orig_stmt is stmt. 2013-02-18 Richard Biener Revert 2013-02-04 Richard Biener Backport from mainline 2012-07-04 Richard Guenther PR tree-optimization/53844 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle the loop virtual PHI. 2013-02-13 David S. Miller * expmed.c (expand_shift_1): Only strip scalar integer subregs. 2013-02-11 Uros Bizjak Backport from mainline 2013-02-11 Uros Bizjak PR rtl-optimization/56275 * simplify-rtx.c (avoid_constant_pool_reference): Check that offset is non-negative and less than cmode size before calling simplify_subreg. 2013-02-09 Uros Bizjak Backport from mainline 2013-02-08 Uros Bizjak * config/i386/sse.md (FMAMODEM): New mode iterator. (fma4, fms4, fnma4, fnms4): Use FMAMODEM mode iterator. Do not use TARGET_SSE_MATH in insn constraint. 2013-02-08 Uros Bizjak * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set. * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto. 2013-02-08 Michael Meissner Backport from mainline 2013-02-08 Michael Meissner PR target/56043 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_libmass): If there is no implicit builtin declaration, just return NULL. 2013-02-08 David Edelsohn Michael Meissner Backport from mainline * config/rs6000/rs6000.c (rs6000_option_override_internal): Clear MASK_VSX from set_masks if OS_MISSING_ALTIVEC. 2013-02-07 David S. Miller * dwarf2out.c (based_loc_descr): Perform leaf register remapping on 'reg'. * var-tracking.c (vt_add_function_parameter): Test the presence of HAVE_window_save properly and do not remap argument registers when we have a leaf function. 2013-02-07 Uros Bizjak Backport from mainline 2013-02-07 Uros Bizjak PR bootstrap/56227 * ggc-page.c (ggc_print_statistics): Use HOST_LONG_LONG_FORMAT instead of "ll". * config/i386/i386.c (ix86_print_operand): Ditto. 2013-02-07 Alan Modra PR target/53040 * config/rs6000/rs6000.c (rs6000_savres_strategy): When using static chain, set REST_INLINE_FPRS too. 2013-02-06 David Edelsohn Backport from mainline 2013-01-25 Michael Haubenwallner * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld. * configure: Regenerate. 2013-02-05 David Edelsohn Backport from mainline 2013-02-03 David Edelsohn Andrew Dixie * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY flag set. 2013-02-05 Richard Biener Backport from mainline 2012-12-10 Richard Biener PR tree-optimization/55107 * tree-ssa-pre.c (struct pre_stats): Remove constified field. (bitmap_set_replace_value): Add gcc_unreachable. (do_regular_insertion): Re-write all_same handling. Insert an assignment instead of a PHI in this case. (execute_pre): Do not record constified events. 2013-02-05 Richard Biener PR tree-optimization/54767 * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via backedges drop all symbolical range information. (execute_vrp): Compute backedges. 2013-02-04 Richard Biener Backport from mainline 2012-01-11 Richard Guenther PR tree-optimization/44061 * tree-vrp.c (extract_range_basic): Compute zero as value-range for __builtin_constant_p of function parameters. 2013-01-08 Jakub Jelinek PR middle-end/55890 * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_class_p. 2013-02-04 Richard Biener Backport from mainline 2012-07-04 Richard Guenther PR tree-optimization/53844 * tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle the loop virtual PHI. 2012-12-13 Richard Biener PR lto/55660 * tree-streamer.c (record_common_node): Check that we are not recursively pre-loading nodes we want to skip. Handle char_type_node appearing as part of va_list_type_node. 2013-02-04 Richard Biener PR middle-end/55890 * gimple.h (gimple_call_builtin_class_p): New function. * gimple.c (validate_call): New function. (gimple_call_builtin_class_p): Likewise. * tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Use gimple_call_builtin_class_p. (find_func_clobbers): Likewise. * tree-ssa-strlen.c (adjust_last_stmt): Likewise. (strlen_optimize_stmt): Likewise. 2013-02-01 Jakub Jelinek Backported from mainline 2013-01-28 Jakub Jelinek PR tree-optimization/56125 * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize pow(x,c) into sqrt(x) * powi(x, n/2) or 1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when optimizing for size. Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or 1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an integer. 2013-01-25 Jakub Jelinek PR tree-optimization/56098 * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr for stmts with volatile ops. (cond_store_replacement): Don't optimize if assign has volatile ops. (cond_if_else_store_replacement_1): Don't optimize if either then_assign or else_assign have volatile ops. 2013-01-23 Jakub Jelinek PR target/49069 * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand instead of cmpdi_operand for first comparison operand. Don't assert that comparison operands aren't both constants. 2013-01-21 Jakub Jelinek PR tree-optimization/56051 * fold-const.c (fold_binary_loc): Don't fold X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either a narrowing conversion, or widening conversion from signed to unsigned. 2013-01-18 Jakub Jelinek PR middle-end/56015 * expr.c (expand_expr_real_2) : Handle the case where writing real complex part of target modifies op1. 2013-01-15 Jakub Jelinek PR target/55940 * function.c (thread_prologue_and_epilogue_insns): Always add crtl->drap_reg to set_up_by_prologue.set, even if stack_realign_drap is false. 2013-01-10 Jakub Jelinek PR tree-optimization/55921 * tree-complex.c (expand_complex_asm): New function. (expand_complex_operations_1): Call it for GIMPLE_ASM. 2013-01-03 Jakub Jelinek PR rtl-optimization/55838 * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on iv0.step, iv1.step and step. 2012-11-23 Jakub Jelinek PR c++/54046 * Makefile.in (gimple-low.o): Depend on langhooks.h. * gimple-low.c: Include langhooks.c. (block_may_fallthru): Handle TARGET_EXPR and ERROR_MARK, by default call lang_hooks.block_may_fallthru. * langhooks.h (struct lang_hooks): Add block_may_fallthru langhook. * langhooks-def.h (LANG_HOOKS_BLOCK_MAY_FALLTHRU): Define. (LANG_HOOKS_INITIALIZER): Use it. 2012-11-20 Jakub Jelinek PR middle-end/55094 * builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note on the trap insn for !ACCUMULATE_OUTGOING_ARGS. * cfgcleanup.c (outgoing_edges_match): Don't look at debug insns on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS fail if the last real insn doesn't have REG_ARGS_SIZE note. 2012-11-17 Jakub Jelinek PR tree-optimization/55236 * fold-const.c (make_range_step) : For -fwrapv and signed ARG0_TYPE, force low and high to be non-NULL. 2012-11-13 Jakub Jelinek PR rtl-optimization/54127 * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting asm goto labels from BB_HEAD (e->dest) to target bb, decrement LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or REG_LABEL_TARGET and REG_LABEL_OPERAND. 2013-02-01 Eric Botcazou * fold-const.c (make_range_step) : Bail out if the range isn't testing for zero. 2013-01-29 Richard Biener PR tree-optimization/56113 * tree-ssa-structalias.c (equiv_class_lookup): Also return the bitmap leader. (label_visit): Free duplicate bitmaps and record the leader instead. (perform_var_substitution): Adjust. 2013-01-28 Serowk PR target/35294 * config/arm/arm.c (arm_expand_binop_builtin): Add new parameter. Fix mode checks to allow for the passing of constants in the second parameter. (arm_expand_builtin): Adjust calls to arm_expand_binop_builtin. Add entries in the switch statement for builtin iwmmxt vector shift and rotate builtins. 2013-01-27 Uros Bizjak Backport from mainline 2013-01-27 Uros Bizjak PR target/56114 * config/i386/i386.md (*movabs_1): Add square brackets around operand 0 in movabs insn template for -masm=intel asm alternative. (*movabs_2): Ditto for operand 1. 2013-01-27 Uros Bizjak Backport from mainline 2013-01-22 Uros Bizjak PR target/56028 * config/i386/i386.md (*movti_internal_rex64): Change (o,riF) alternative to (o,r). (*movdi_internal_rex64): Remove (!o,n) alternative. (DImode immediate->memory splitter): Remove. (DImode immediate->memory peephole2): Remove. (movtf): Enable for TARGET_64BIT || TARGET_SSE. (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r) alternative to (!o,*r). (*movtf_internal_sse): New pattern. (*movxf_internal_rex64): New pattern. (*movxf_internal): Disable for TARGET_64BIT. (*movdf_internal_rex64): Remove (!o,F) alternative. 2013-01-23 Uros Bizjak * config/i386/i386.md (*movdf_internal_rex64): Disparage alternatives involving stack registers slightly. 2013-01-24 Uros Bizjak * config/i386/constraints.md (Yf): New constraint. * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead of f constraint to conditionaly disable x87 register preferences. (*movdf_internal): Ditto. (*movsf_internal): Ditto. 2012-01-24 Uros Bizjak * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative. (*movtf_internal_rex64): Add (!o,C) alternative (*movxf_internal_rex64): Ditto. (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives. 2013-01-25 Georg-Johann Lay * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__. 2013-01-24 Martin Jambor Backport from mainline 2013-01-04 Martin Jambor PR tree-optimization/55755 * tree-sra.c (sra_modify_assign): Do not check that an access has no children when trying to avoid producing a VIEW_CONVERT_EXPR. 2013-01-21 Uros Bizjak Backport from mainline 2013-01-21 Uros Bizjak * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA. 2013-01-21 Uros Bizjak PR rtl-optimization/56023 * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions, dependent on debug instruction. 2013-01-21 Martin Jambor Backport from mainline 2013-01-17 Martin Jambor PR tree-optimizations/55264 * cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual. * cgraph.h (cgraph_only_called_directly_p_or_aliased_p): Return false for virtual functions. * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true for virtual methods. * ipa.c (cgraph_remove_unreachable_nodes): Never return true for virtual methods before inlining is over. 2013-01-17 Uros Bizjak Backport from mainline 2012-01-17 Uros Bizjak PR target/55981 * config/i386/sync.md (atomic_store): Generate SWImode store through atomic_store_1. (atomic_store_1): Macroize insn using SWI mode iterator. 2013-01-16 Richard Biener PR middle-end/55882 * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly account for bitpos when computing alignment. 2013-01-14 Georg-Johann Lay Backport from 2013-01-14 trunk r195169. PR target/55974 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH etc. to 1 and not to __flash. Use LL suffix for __INT24_MAX__ with -mint8. Use ULL suffix for __UINT24_MAX__ with -mint8. 2013-01-14 Matthias Klose * doc/invoke.texi: Document -print-multiarch. * doc/install.texi: Document --enable-multiarch. * doc/fragments.texi: Document MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME. * configure.ac: Add --enable-multiarch option. Substitute with_cpu, with_float. * configure: Regenerate. * Makefile.in (s-mlib): Pass MULTIARCH_DIRNAME to genmultilib. enable_multiarch, with_cpu, with_float: New macros. if_multiarch: New macro, define in terms of enable_multiarch. * genmultilib: Add new argument for the multiarch name. * gcc.c (multiarch_dir): Define. (for_each_path): Search for multiarch suffixes. (driver_handle_option): Handle multiarch option. (do_spec_1): Pass -imultiarch if defined. (main): Print multiarch. (set_multilib_dir): Separate multilib and multiarch names from multilib_select. (print_multilib_info): Ignore multiarch names in multilib_select. * incpath.c (add_standard_paths): Search the multiarch include dirs. * cppdefault.h (default_include): Document multiarch in multilib member. * cppdefault.c: [LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR] Add an include directory for multiarch directories. * common.opt: New options --print-multiarch and -imultilib. * config.gcc (tmake_file): Include i386/t-linux. (tmake_file): Include i386/t-kfreebsd. (tmake_file): Include i386/t-gnu. * config/i386/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES, define MULTIARCH_DIRNAME. * config/i386/t-gnu: New file. * config/i386/t-kfreebsd: Likewise. * config/i386/t-linux: Likewise. * config/sparc/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES. * config/sparc/t-linux: New file; define MULTIARCH_DIRNAME. * config.gcc (tmake_file): Include sparc/t-linux for 32bit non-biarch configurations. * config/pa/t-linux: New file; define MULTIARCH_DIRNAME. * config.gcc (tmake_file): Include pa/t-linux. * config/mips/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES. * config/arm/t-linux-eabi: Define MULTIARCH_DIRNAME for linux target. * config/rs6000/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES. * config/rs6000/t-linux: New file; define MULTIARCH_DIRNAME. * config/rs6000/t-fprules (SOFT_FLOAT_CPUS): New macro. Add e300c2 to the list. (MULTILIB_MATCHES_FLOAT): Define in terms of SOFT_FLOAT_CPUS. * config.gcc (tmake_file): Include rs6000/t-linux for 32bit non-biarch configurations. * config/s390/t-linux64: Add multiarch names in MULTILIB_OSDIRNAMES. * config/m68k/t-linux: Define MULTIARCH_DIRNAME. * config/ia64/t-linux: New file; define MULTIARCH_DIRNAME. * config.gcc (tmake_file): Include ia64/t-linux. * config/alpha/t-linux: New file; define MULTIARCH_DIRNAME. * config.gcc (tmake_file): Include alpha/t-linux. 2013-01-14 Eric Botcazou * tree-vectorizer.h (vect_get_single_scalar_iteraion_cost): Fix typo. * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Likewise. (vect_estimate_min_profitable_iter): Adjust to above fix. * tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Likewise. 2013-01-11 Michael Meissner Backport from mainline 2013-01-11 Michael Meissner * doc/extend.texi (X86 Built-in Functions): Add whitespace in __builtin_ia32_paddb256 and __builtin_ia32_pavgb256 documentation. Add missing '__' in front of __builtin_ia32_packssdw256. 2013-01-09 Uros Bizjak Backport from mainline 2013-01-09 Uros Bizjak * config/i386/sse.md (*vec_interleave_highv2df): Change mode attribute of movddup insn to DF. (*vec_interleave_lowv2df): Ditto. (vec_dupv2df): Ditto. 2013-01-07 Georg-Johann Lay Backport from 2013-01-07 trunk r194991, r194992. PR target/55897 * doc/extend.texi (AVR Named Address Spaces): __memx goes into .progmemx.data now. * config/avr/avr.h (ADDR_SPACE_COUNT): New enum. (avr_addrspace_t): Add .section_name field. * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as array size. (avr_addrspace): Same. Initialize .section_name. Remove last NULL entry. Put __memx into .progmemx.data. (progmem_section_prefix): Remove. (avr_asm_init_sections): No need to initialize progmem_section. (avr_asm_named_section): Use avr_addrspace[].section_name to get section name prefix. (avr_asm_select_section): Ditto. And use get_unnamed_section to retrieve the progmem section. * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop boundary to run over avr_addrspace[]. (avr_register_target_pragmas): Ditto. 2013-01-07 Georg-Johann Lay Backport from 2013-01-07 trunk r194978. PR target/54461 * doc/install.texi (Cross-Compiler-Specific Options): Document --with-avrlibc. 2013-01-07 Georg-Johann Lay Backport from 2013-01-07 trunk r194968. PR other/55243 * config/avr/t-avr: Don't automatically rebuild $(srcdir)/config/avr/t-multilib $(srcdir)/config/avr/avr-tables.opt (avr-mcus): New phony target to build them on request. (s-avr-mlib): Remove. * avr/avr-mcus.def: Adjust comments. 2013-01-07 Terry Guo Backport from mainline 2012-12-19 Terry Guo * config/arm/arm.c (thumb_find_work_register): Check argument register number based on current PCS. 2013-01-06 Uros Bizjak Backport from mainline 2013-01-03 Uros Bizjak PR target/55712 * config/i386/i386-c.c (ix86_target_macros_internal): Depending on selected code model, define __code_mode_small__, __code_model_medium__, __code_model_large__, __code_model_32__ or __code_model_kernel__. * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix xchg temporary register with %k. Declare temporary register as early clobbered. [__x86_64__]: For medium and large code models, preserve %rbx register. 2013-01-03 Richard Henderson * config/i386/i386.c (ix86_expand_move): Always assign to op1 after eliminating TLS symbols. 2013-01-03 John David Anglin PR target/53789 * config/pa/pa.md (movsi): Revert previous change. * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol references. 2013-01-02 Rainer Emrich PR bootstrap/55707 * graphite-dependences.c (hash_poly_ddr_p): Cast from pointer via intptr_t. 2013-01-02 Jason Merrill PR c++/55804 * tree.c (build_array_type_1): Revert earlier change. 2012-12-25 John David Anglin PR target/53789 * config/pa/pa.md (movsi): Reject expansion of TLS symbol references after reload starts. 2012-12-21 Martin Jambor PR tree-optimization/55355 * tree-sra.c (type_internals_preclude_sra_p): Also check that bit_position is small enough to fit a single HOST_WIDE_INT. 2012-12-21 Matthew Gretton-Dann * config.gcc: Match arm*-*-uclinux*eabi* for EABI uCLinux. 2012-12-18 Matthew Gretton-Dann Backport from mainline 2012-10-15 Matthias Klose * config.gcc: Match arm*-*-linux-* for ARM Linux/GNU. * doc/install.texi: Use arm-*-*linux-* instead of arm-*-*linux-gnueabi. 2012-12-16 Eric Botcazou Tomash Brechko PR target/55673 * config/sparc/sparc.c (sparc_emit_membar_for_model): Fix reversed handling of before and after cases. * config/sparc/sync.md (atomic_store): Fix pasto. 2012-12-14 Yvan Roux * optabs.c (expand_atomic_store): Elide redundant model test. 2012-12-13 Richard Henderson PR middle-end/55492 * optabs.c (expand_atomic_load): Emit acquire barrier after the load. 2012-12-11 Eric Botcazou PR target/54121 * config/sparc/sparc.md (tldo_stb_sp32): Fix pasto. (tldo_stb_sp64): Likewise. (tldo_sth_sp32): Likewise. (tldo_sth_sp64): Likewise. (tldo_stw_sp32): Likewise. (tldo_stw_sp64): Likewise. (tldo_stx_sp64): Likewise. 2012-12-10 Kai Tietz PR target/53912 * print-tree.c (print_node): Cast from pointer via uintptr_t. 2012-12-07 Uros Bizjak Backport from mainline 2012-12-06 Uros Bizjak H.J. Lu PR target/55597 * config/i386/i386.c (legitimize_tls_address): Zero-extend x to Pmode, before using it as insn or call equivalent. 2012-12-06 Jason Merrill PR c++/55032 * tree.c (build_array_type_1): Re-layout if we found it in the hash table. 2012-12-05 John David Anglin * config/pa/pa.md: Use "const_int 0" instead of match_test to simplify opaque cond in all call insns. 2012-12-03 Eric Botcazou * config/ia64/ia64.c (ia64_compute_frame_size): Allocate the scratch area if the function allocates dynamic stack space. (ia64_initial_elimination_offset): Adjust offsets to above change. 2012-12-03 Richard Biener Backport from mainline 2012-09-24 Richard Guenther PR tree-optimization/53663 * tree-ssa-sccvn.c (vn_reference_lookup_3): Conditional native encode/interpret translation on VN_WALKREWRITE. 2012-12-03 Kai Tietz PR target/53912 * ggc-common.c (POINTER_HASH): Cast from pointer via intptr_t. PR target/53912 * tree-dump.c (dump_pointer): Print pointer via HOST_WIDE_INT_PRINT. PR target/53912 * pointer-set.c (hash1): Cast from pointer via uintptr_t. 2012-12-01 John David Anglin Backport from mainline: 2012-11-12 John David Anglin PR target/55195 * config/pa/pa.md (type): Add sibcall and sh_func_adrs insn types. (in_branch_delay): Don't allow sibcall or sh_func_adrs insns. (in_nullified_branch_delay): Likewise. (in_call_delay): Likewise. Define delay for sibcall insns. Adjust Z3 and Z4 insn reservations for new types. Add opaque cond to mark all calls, sibcalls, dyncalls and the $$sh_func_adrs call as variable. Update type of sibcalls and $$sh_func_adrs call. * config/pa/pa.c (pa_adjust_insn_length): Revise to return updated length instead of adjustment. Handle negative and undefined call adjustments for insn_default_length. Remove adjustment for millicode insn with unfilled delay slot. (pa_output_millicode_call): Update for revised millicode length. * config/pa/pa.h (ADJUST_INSN_LENGTH): Revise to set LENGTH. 2012-11-29 Kai Tietz PR target/55171 * prefix.c (lookup_key): Replace xmalloc/xrealloc use by XNEWVEC/XRESIZEVEC. * i386.c (get_scratch_register_on_entry): Handle thiscall-convention. (split_stack_prologue_scratch_regno): Likewise. (ix86_static_chain): Likewise. (x86_output_mi_thunk): Likewise. 2012-11-28 H.J. Lu Backported from mainline 2012-11-27 H.J. Lu Markus Trippelsdorf PR lto/54795 * lto-opts.c (lto_write_options): Also handle OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and OPT_SPECIAL_program_name. PR lto/55474 * lto-wrapper.c (merge_and_complain): Handle OPT_SPECIAL_unknown, OPT_SPECIAL_ignore, OPT_SPECIAL_program_name and OPT_SPECIAL_input_file. 2012-11-27 Paolo Bonzini PR rtl-optimization/55489 * gcse.c (compute_transp): Precompute a canonical version of XEXP (x, 0), and pass it to canon_true_dependence. 2012-11-27 Richard Biener PR middle-end/55331 * gimple-fold.c (gimplify_and_update_call_from_tree): Replace stmt with a NOP instead of removing it. 2012-11-26 Richard Biener Backport from mainline 2012-10-19 Richard Biener PR tree-optimization/54976 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Robustify against odd inner_mode inputs. 2012-10-12 Richard Biener PR tree-optimization/54894 * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Handle over-aligned scalar types properly. 2012-10-02 Richard Guenther PR middle-end/54735 * tree-ssa-pre.c (do_pre): Make sure to update virtual SSA form before cleaning up the CFG. 2012-11-21 Michael Meissner Backport from mainline 2012-11-20 Michael Meissner * config/rs6000/rs6000.md (movdf_hardfloat32): Add a comment explaining the register ordering preferences. 2012-11-19 Michael Meissner * config/rs6000/rs6000.md (movdf_hardfloat32): Reorder move constraints so that the traditional floating point loads, stores, and moves are done first, then the VSX loads, stores, and moves, and finally the GPR loads, stores, and moves so that reload chooses FPRs over GPRs, and uses the traditional load/store instructions which provide an offset. (movdf_hardfloat64): Likewise. 2012-11-19 H.J. Lu Backported from mainline 2012-11-13 Eric Botcazou H.J. Lu PR middle-end/55142 * config/i386/i386.c (legitimize_pic_address): Properly handle REG + CONST. (ix86_print_operand_address): Set code to 'k' when forcing addr32 prefix. For x32, zero-extend negative displacement if it < -16*1024*1024. 2012-11-12 Eric Botcazou * common.opt (fvar-tracking-uninit): Document. * toplev.c (process_options): Fix handling of flag_var_tracking_uninit. * config/darwin.c (darwin_override_options): Likewise. 2012-11-11 Eric Botcazou * config/sparc/sparc.h (AS_NIAGARA3_FLAG): Tweak. * config/sparc/sol2.h (TARGET_CPU_niagara4 support): Fix pasto. 2012-11-09 Eric Botcazou * doc/install.texi (sparc64-x-solaris2): Mention MPC as well. 2012-11-09 Eric Botcazou * config/i386/i386.c (release_scratch_register_on_entry): Also adjust sp_offset manually. 2012-11-07 Uros Bizjak Backport from mainline 2012-11-06 Uros Bizjak * config/i386/i386.c (ix86_init_machine_status): Do not explicitly clear tls_descriptor_call_expanded_p again. 2012-11-06 Uros Bizjak * config/i386/sse.md (_maskstore): Mark operand 0 as read and written by the instruction. 2012-11-06 Uros Bizjak * config/i386/i386.c (TARGET_INSTANTIATE_DECLS): New define. (ix86_instantiate_decls): New function. (ix86_expand_builtin) : Use SLOT_TEMP stack slot instead of SLOT_VIRTUAL. : Ditto. (assign_386_stack_local): Do not assert when virtual slot is valid. * config/i386/i386.h (enum ix86_stack_slot): Remove SLOT_VIRTUAL. * config/i386/i386.md (truncdfsf2): Do not use SLOT_VIRTUAL stack slot. (truncxf2): Ditto. (floatunssi2): Ditto. (isinf2): Ditto. * config/i386/sync.md (atomic_load): Ditto. (atomic_store): Ditto. 2012-11-07 Eric Botcazou PR middle-end/55219 * fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if the argument is itself a conditional expression. 2012-11-05 H.J. Lu * config/i386/i386.c (print_reg): Replace REX_INT_REG_P with REX_INT_REGNO_P. 2012-11-05 Eric Botcazou PR tree-optimization/54986 * gimple-fold.c (canonicalize_constructor_val): Strip again all no-op conversions on entry but add them back on exit if needed. 2012-11-05 Richard Sandiford PR target/55204 * config/i386/i386.c (ix86_address_subreg_operand): Remove stack pointer check. (print_reg): Use true_regnum rather than REGNO. (ix86_print_operand_address): Remove SUBREG handling. 2012-11-05 Jakub Jelinek Backported from mainline 2012-10-24 Jakub Jelinek PR debug/54828 * gimple.h (is_gimple_sizepos): New inline function. * gimplify.c (gimplify_one_sizepos): Use it. Remove useless final assignment to expr variable. * tree.c (RETURN_TRUE_IF_VAR): Return true also if !TYPE_SIZES_GIMPLIFIED (type) and _t is going to be gimplified into a local temporary. 2012-10-10 Jakub Jelinek PR tree-optimization/54877 * tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR use make_ssa_name instead of copy_ssa_name. 2012-11-03 Peter Bergner Backport from mainline 2012-10-31 Jakub Jelinek PR tree-optimization/53708 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Preserve user-supplied alignment when used with an explicit section name. 2012-11-02 Jeff Law PR tree-optimization/54985 * tree-ssa-threadedge.c (cond_arg_set_in_bb): New function extracted from thread_across_edge. (thread_across_edge): Use it in all cases where we might thread across a back edge. 2012-10-31 Eric Botcazou * config/i386/i386.c (ix86_expand_prologue): Emit frame info for the special register pushes before frame probing and allocation. 2012-10-31 Ralf Corsépius , Joel Sherrill * config/sparc/t-rtems: New (Custom multilibs). * config/sparc/t-rtems-64: New (Custom multilibs). * config.gcc (sparc64-*-rtems*): Add sparc/t-rtems-64. (sparc-*-rtems*): Add sparc/t-rtems. 2012-10-30 Eric Botcazou * cse.c (hash_rtx_cb): Replace RTX_UNCHANGING_P with MEM_READONLY_P in head comment. (hash_rtx): Likewise. 2012-10-29 Terry Guo Backport from mainline 2012-10-11 Terry Guo * config/arm/arm.c (arm_arch6m): New variable to denote armv6-m architecture. * config/arm/arm.h (TARGET_HAVE_DMB): The armv6-m also has DMB instruction. 2012-10-26 Gunther Nikl * common/config/m68k/m68k-common.c (m68k_handle_option): Set gcc_options fields of opts_set for -m68020-40 and -m68020-60. 2012-10-26 Ralf Corsépius * config/avr/t-rtems: Revert previous commit. 2012-10-26 Terry Guo Backport from mainline 2012-10-23 Terry Guo PR target/55019 * config/arm/arm.c (thumb1_expand_prologue): Don't push high regs with live argument regs. 2012-10-26 Ralf Corsépius * config/avr/rtems.h (TARGET_OS_CPP_BUILTINS): Remove __USE_INIT_FINI__. * config/avr/t-rtems (LIB1ASMFUNCS): Filter out _exit. 2012-10-25 Ralf Corsépius * config.gcc (microblaze*-*-rtems*): New target. * config/microblaze/rtems.h: New. * config/microblaze/t-rtems: New. 2012-10-25 Richard Biener PR tree-optimization/54902 * tree-ssa-pre.c (fini_pre): Return TODO. (execute_pre): Adjust. * tree-ssa-tailmerge.c (tail_merge_optimize): Delete unreachable blocks before computing dominators. 2012-10-24 Uros Bizjak Backport from mainline 2012-10-22 Uros Bizjak * config/i386/i386.c (memory_address_length): Assert that non-null base or index RTXes are registers. Do not check for REG RTXes. Determine addr32 prefix using SImode_address_operand or from original base and index RTXes. Simplify code. 2012-10-21 Uros Bizjak * config/i386/i386-protos.h (memory_address_length): Add new bool argument. Update all uses. * config/i386/i386.c (memory_address_length): If not LEA insn, then add length of addr32 prefix based on mode of base or index register. (ix86_attr_length_address_default) : Do not handle SImode addresses here. Update call to memory_address_length. (ix86_print_address_operand): Use SImode_address_operand predicate. * config/i386/predicates.md (SImode_address_operand): New. * config/i386/i386.md (lea): Use SImode_address_operand to calculate "mode" attribute. Use SImode_address_operand predicate instead of open-coding accepted RTX codes. 2012-10-22 Georg-Johann Lay Backport from 2012-10-22 trunk r192685. * doc/invoke.texi (AVR Options): Document __AVR_ARCH__. Note __AVR___ is not defined for cores. Don't point to --help=target. Order --mcu= documentation according to trunk:/gcc/doc/avr-mmcu.texi. 2012-10-19 Marek Polacek Backported from mainline 2012-10-19 Marek Polacek PR middle-end/54945 * fold-const.c (fold_sign_changed_comparison): Punt if folding pointer/non-pointer comparison. 2012-10-19 Zhenqiang Chen Backported from mainline 2012-10-19 Zhenqiang Chen PR target/54892 * config/arm/arm.c (arm_expand_compare_and_swap): Use SImode to make sure the mode is correct when falling through from above cases. 2012-10-19 Alan Modra * configure.ac (HAVE_LD_NO_DOT_SYMS): Set if using gold. (HAVE_LD_LARGE_TOC): Likewise. * configure: Regenerate. 2012-10-19 Alan Modra * config/rs6000/predicates.md (splat_input_operand): Don't call input_operand for MEMs. Instead check for volatile and call memory_address_addr_space_p with modified mode. 2012-10-17 Matthew Gretton-Dann Backported from mainline 2012-07-23 Ulrich Weigand * config/arm/arm.c (arm_reorg): Ensure all insns are split. 2012-10-16 Eric Botcazou PR rtl-optimization/54870 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME. * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the SSA_NAME pointer that points to a partition if there is at least one variable with it set in the partition. * dse.c (local_variable_can_escape): New predicate. (can_escape): Call it. * gimplify.c (mark_addressable): If this is a partitioned decl, also mark the SSA_NAME pointer that points to a partition. 2012-10-16 Andrey Belevantsev Backport from mainline 2012-08-09 Andrey Belevantsev PR rtl-optimization/53701 * sel-sched.c (vinsn_vec_has_expr_p): Clarify function comment. rocess not only expr's vinsns but all old vinsns from expr's istory of changes. 2012-10-16 Andrey Belevantsev Backport from mainline 2012-07-31 Andrey Belevantsev PR target/53975 * sel-sched-ir.c (has_dependence_note_reg_use): Clarify comment. Revert 2011-08-04 Sergey Grechanik * sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge only if producer writes to the register given by regno. 2012-09-15 Uros Bizjak Backport from mainline 2012-10-15 Uros Bizjak * config/i386/sse.md (UNSPEC_MOVU): Remove. (UNSPEC_LOADU): New. (UNSPEC_STOREU): Ditto. (_movu): Split to ... (_loadu): ... this and ... (_storeu) ... this. (_movdqu): Split to ... (_loaddqu): ... this and ... (_storedqu): ... this. (*sse4_2_pcmpestr_unaligned): Update. (*sse4_2_pcmpistr_unaligned): Ditto. * config/i386/i386.c (ix86_avx256_split_vector_move_misalign): Use gen_avx_load{dqu,ups,upd}256 to load from unaligned memory and gen_avx_store{dqu,ups,upd}256 to store to unaligned memory. (ix86_expand_vector_move_misalign): Use gen_sse_loadups or gen_sse2_load{dqu,upd} to load from unaligned memory and gen_sse_loadups or gen_sse2_store{dqu,upd}256 to store to unaligned memory. (struct builtin_description bdesc_spec) : Use CODE_FOR_sse_loadups. : Use CODE_FOR_sse2_loadupd. : Use CODE_FOR_sse2_loaddqu. : Use CODE_FOR_sse_storeups. : Use CODE_FOR_sse2_storeupd. : Use CODE_FOR_sse2_storedqu. : Use CODE_FOR_avx_loadups256. : Use CODE_FOR_avx_loadupd256. : Use CODE_FOR_avx_loaddqu256. : Use CODE_FOR_avx_storeups256. : Use CODE_FOR_avx_storeupd256. : Use CODE_FOR_avx_storedqu256. 2012-10-15 Steven Bosscher Backport from trunk (r190222): PR tree-optimization/54146 * ifcvt.c: Include pointer-set.h. (cond_move_process_if_block): Change type of then_regs and else_regs from alloca'd array to pointer_sets. (check_cond_move_block): Update for this change. (cond_move_convert_if_block): Likewise. * Makefile.in: Fix dependencies for ifcvt.o. 2012-10-15 Richard Guenther PR tree-optimization/54920 * tree-ssa-pre.c (create_expression_by_pieces): Properly allocate temporary storage for all NARY elements. 2012-10-08 Georg-Johann Lay PR target/54854 * doc/invoke.texi (AVR Options): Deprecate -mshort-calls. 2012-10-05 Mark Kettenis * config.gcc (*-*-openbsd4.[3-9]|*-*-openbsd[5-9]*): Set default_use_cxa_atexit to yes. 2012-10-05 John David Anglin * config/pa/pa.md: Adjust unamed HImode add insn pattern. 2012-10-05 Jan Hubicka Jakub Jelinek PR tree-optimization/33763 * tree-inline.c (expand_call_inline): Silently ignore always_inline attribute for redefined extern inline functions. 2012-10-03 H.J. Lu Backported from mainline 2012-10-03 Andrew W. Nosenko * config/i386/driver-i386.c (host_detect_local_cpu): Fix logic in SSE and YMM state support check for -march=native. 2012-10-03 Alexandre Oliva PR debug/53135 * dwarf2out.c (value_format): Use block4 for dw_val_class_loc when needed. 2012-10-02 H.J. Lu Backported from mainline 2012-10-02 H.J. Lu PR target/54785 * doc/invoke.texi: Document -mprefer-avx128. 2012-10-02 H.J. Lu Backported from mainline 2012-10-02 H.J. Lu PR target/54741 * config/i386/driver-i386.c (XCR_XFEATURE_ENABLED_MASK): New. (XSTATE_FP): Likewise. (XSTATE_SSE): Likewise. (XSTATE_YMM): Likewise. (host_detect_local_cpu): Disable AVX, AVX2, FMA, FMA4 and XOP if SSE and YMM states aren't supported. 2012-10-01 Tom de Vries * var-tracking.c (set_dv_changed): Add an 'inline' function specifier to the prototype. 2012-10-01 Andreas Krebbel PR target/54746 * config/s390/s390.c (s390_option_override): Add missing break. 2012-09-29 Andreas Tobler Backport from mainline 2012-09-29 Andreas Tobler * config.gcc: Replace 'host' with 'target' when configuring for powerpc64*-*-freebsd. 2012-09-28 Meador Inge Backport from mainline 2012-09-27 Meador Inge * gcc-ar.c (main): Handle the returning of the sub-process error code correctly. 2012-09-28 Georg-Johann Lay Backport from 2012-09-28 trunk r191821. * config/avr/avr.c (avr_pgm_check_var_decl): Fix non-error diagnostic. 2012-09-27 Jakub Jelinek PR target/54703 * simplify-rtx.c (simplify_binary_operation_1): Perform (x - (x & y)) -> (x & ~y) optimization only for integral modes. 2012-09-24 Eric Botcazou * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream in TYPE_NONALIASED_COMPONENT flag. * tree-streamer-out.c (pack_ts_type_common_value_fields): Stream out TYPE_NONALIASED_COMPONENT flag. 2012-09-21 Richard Guenther PR middle-end/54638 Backport from mainline 2012-04-19 Richard Guenther * ira-int.h (ira_allocno_object_iter_cond): Avoid out-of-bound array access. 2012-09-20 Joseph Myers PR c/54552 * c-typeck.c (c_cast_expr): When casting to a type requiring C_MAYBE_CONST_EXPR to be created, pass the inner expression to c_fully_fold first. 2012-09-20 Joseph Myers PR c/54103 * c-typeck.c (build_unary_op): Pass original argument of TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove any C_MAYBE_CONST_EXPR, if it has integer operands. (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR to c_objc_common_truthvalue_conversion, then remove any C_MAYBE_CONST_EXPR, if they have integer operands. Use c_objc_common_truthvalue_conversion not c_common_truthvalue_conversion. (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and call note_integer_operands for arguments with integer operands that are not integer constants. 2012-09-20 Jakub Jelinek Backported from mainline 2012-09-17 Jakub Jelinek PR tree-optimization/54563 * tree-ssa-math-opts.c (execute_cse_sincos): Call gimple_purge_dead_eh_edges if last call has been changed. 2012-09-14 Jakub Jelinek PR target/54564 * config/i386/sse.md (fmai_vmfmadd_): Use (match_dup 1) instead of (match_dup 0) as second argument to vec_merge. (*fmai_fmadd_, *fmai_fmsub_): Likewise. Remove third alternative. (*fmai_fnmadd_, *fmai_fnmsub_): Likewise. Negate operand 2 instead of operand 1, but put it as first argument of fma. * config/i386/fmaintrin.h (_mm_fnmadd_sd, _mm_fnmadd_ss, _mm_fnmsub_sd, _mm_fnmsub_ss): Negate the second argument instead of the first. 2012-09-20 Jakub Jelinek * BASE-VER: Set to 4.7.3. * DEV-PHASE: Set to prerelease. 2012-09-20 Release Manager * GCC 4.7.2 released. 2012-09-15 Andi Kleen Backport from mainline 2012-09-07 Andi Kleen * gcc/lto-streamer.h (res_pair): Add. (lto_file_decl_data): Replace resolutions with respairs. Add max_index. * gcc/lto/lto.c (lto_resolution_read): Remove max_index. Add rp. Initialize respairs. (lto_file_finalize): Set up resolutions vector lazily from respairs. 2012-09-14 Walter Lee Backport from mainline. 2012-09-14 Walter Lee * doc/invoke.texi (Option Summary): fix typesetting for -mcpu option for TILEPro and TILE-Gx. 2012-09-13 Uros Bizjak * config/i386/i386.h (x86_prefetchw): New global variable. (TARGET_PREFETCHW): New macro. * config/i386/i386.c (PTA_PREFETCHW): Ditto. (processor_alias_table): Add PTA_PREFETCHW to bdver1, bdver2 and btver1. (ix86_option_override_internal): Set x86_prefetchw for PTA_PREFETCHW targets. * config/i386/i386.md (prefetch): Expand to prefetchw for TARGET_PREFETCHW. (*prefetch_3dnow_): Also enable for TARGET_PREFETCHW. Backport from mainline 2012-08-13 Uros Bizjak * config/i386/i386.md (prefetch): Do not assert mode of operand 0. (*prefetch_sse_): Do not set mode of address_operand predicate. Rename to ... (*prefetch_sse): ... this. (*prefetch_3dnow_): Do not set mode of address_operand predicate. Rename to ... (*prefetch_3dnow): ... this. 2012-09-13 Jakub Jelinek PR c/54559 * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or COMPLEX_TYPE with in_late_binary_op set temporarily to true. 2012-09-12 Teresa Johnson Backport from mainline. 2012-09-12 Teresa Johnson PR gcov-profile/54487 * configure.ac (HOST_HAS_F_SETLKW): Set based on compile test using F_SETLKW with fcntl. * configure, config.in: Regenerate. 2012-09-12 Uros Bizjak Backport from mainline 2012-09-12 Ganesh Gopalasubramanian * config/i386/i386.md : Comments on fma4 instruction selection reflect requirement on register pressure based cost model. * config/i386/driver-i386.c (host_detect_local_cpu): fma4 flag is set-reset as informed by the cpuid flag. * config/i386/i386.c (processor_alias_table): fma4 flag is enabled for bdver2. 2012-09-12 Christian Bruel * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define. 2012-09-12 Jakub Jelinek * config.gcc: Obsolete picochip-*. 2012-09-11 Richard Guenther PR debug/54534 * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence on flag_toplevel_reorder. 2012-09-10 Richard Henderson * config/alpha/predicates.md (small_symbolic_operand): Disallow large offsets. 2012-09-10 Georg-Johann Lay Backport from 2012-09-10 mainline r191132. PR target/54536 * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287". 2012-09-10 Markus Trippelsdorf PR middle-end/54515 * tree-sra.c (disqualify_base_of_expr): Check for possible NULL_TREE returned by get_base_address() 2012-09-07 Richard Guenther Backport from mainline 2012-06-26 Jan Hubicka PR lto/53572 * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of used symbols. 2012-09-07 Richard Guenther Backport from mainline 2012-07-13 Richard Guenther PR tree-optimization/53922 * tree-vrp.c (value_inside_range): Change prototype to take min/max instead of value-range. (range_includes_zero_p): Likewise. Return the result from value_inside_range. (extract_range_from_binary_expr_1): Adjust to handle dont-know return value from range_includes_zero_p. (extract_range_from_unary_expr_1): Likewise. (compare_range_with_value): Likewise. (vrp_meet_1): Likewise. 2012-09-07 Richard Guenther PR middle-end/53667 * tree-ssa-structalias.c (handle_rhs_call): Properly clobber EAF_NOESCAPED arguments. Transitively close non-EAF_DIRECT arguments separately. 2012-09-07 Jakub Jelinek Backported from mainline 2012-09-06 Jakub Jelinek PR rtl-optimization/54455 * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru bb ends up with asm goto referencing bb's label. 2012-09-07 Ramana Radhakrishnan Backport from mainline. 2012-08-29 Ramana Radhakrishnan Richard Earnshaw PR target/54252 * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by element size. Use elem_type from the formal parameter. New parameter fcode. (neon_expand_args): Adjust call to neon_dereference_pointer. 2012-09-06 Uros Bizjak * config/i386/sse.md (_pblendvb): Use reg_not_xmm0_operand_maybe_avx as operand 0 constraint. 2012-09-06 Uros Bizjak Backport from mainline 2012-08-11 Uros Bizjak * config/i386/i386.md (isa): Add fma and fma4. (enabled): Handle fma and fma4. * config/i386/sse.md (*fma_fmadd_): Merge *fma4_fmadd_. (*fma_fmsub_): Merge *fma4_fmsub_. (*fma_fnmadd_): Merge *fma4_fnmadd_. (*fma_fnmsub_): Merge *fma4_fnmsub_. (*fma_fmaddsub_): Merge *fma4_fmaddsub_. (*fma_fmsubadd_): Merge *fma4_fmsubadd_. 2012-08-10 Uros Bizjak * config/i386/sse.md (*fma_fmadd_, *fma_fmsub_, *fma_fnmadd_, *fma_fnmsub_, *fma_fmaddsub_, *fma_fmsubadd_): Move FMA3 insn patterns before FMA4 patterns. 2012-09-06 Richard Guenther PR tree-optimization/54498 * tree-ssa-alias.h (get_continuation_for_phi): Add flag to abort when reaching an already visited region. * tree-ssa-alias.c (maybe_skip_until): Likewise. And do it. (get_continuation_for_phi_1): Likewise. (walk_non_aliased_vuses): When we translated the reference, abort when we re-visit a region. * tree-ssa-pre.c (translate_vuse_through_block): Adjust. 2012-09-06 Andrew Pinski PR tree-opt/54494 * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also. 2012-09-05 Jakub Jelinek PR middle-end/54486 * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use build_int_cst with size_type_node instead of size_int. 2012-09-05 Georg-Johann Lay Backport from 2012-09-05 mainline r190697. PR target/54461 * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if configured --with-avrlibc. (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured --with-avrlibc. * config/avr/avrlibc.h: New file. * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if configured --with-avrlibc. * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__ 2012-09-05 Bin Cheng Backport from 2012-09-04 mainline r190919 PR target/45070 * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value of size less than 4 bytes by using macro ARM_NUM_INTS. (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS. 2012-09-04 Richard Henderson * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER. 2012-09-04 Georg-Johann Lay Backport from 2012-09-04 mainline r190920 PR target/54476 * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode. 2012-09-04 Senthil Kumar Selvaraj Backport from 2012-09-04 mainline r190914 PR target/54220 * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New define to... (avr_allocate_stack_slots_for_args): ...this new static function. 2012-09-03 H.J. Lu Backported from mainline 2012-08-23 H.J. Lu PR driver/54335 * doc/invoke.texi: Add -da and remove -dm. 2012-09-03 Jakub Jelinek Backported from mainline 2012-09-01 Jakub Jelinek PR target/54436 * config/i386/i386.md (*mov_insv_1_rex64, *movsi_insv_1): If operands[1] is CONST_INT_P, convert it to QImode before printing. 2012-08-31 Jakub Jelinek PR c/54428 * c-convert.c (convert): Don't call fold_convert_loc if TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e is a COMPLEX_EXPR. Remove TYPE_MAIN_VARIANT check from COMPLEX_TYPE -> COMPLEX_TYPE conversion. 2012-08-24 Jakub Jelinek PR c/54363 * gimplify.c (optimize_compound_literals_in_ctor): Only recurse if init is a CONSTRUCTOR. 2012-09-02 Eric Botcazou PR rtl-optimization/54369 * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before calling dbr_schedule. * config/sparc/sparc.c (sparc_reorg): Likewise. 2012-08-31 Kirill Yukhin Backport from mainline 2012-08-23 Yuri Rumyantsev * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add case for Atom processor. 2012-08-28 Uros Bizjak Backport from mainline 2012-08-27 Uros Bizjak PR target/46254 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return true for TARGET_64BIT or !flag_pic. * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove. (atomic_compare_and_swap_double): Change operand 2 predicate to cmpxchg8b_pic_memory_operand. Use DWIH mode iterator. Add insn constraint. Conditionally emit xchg asm insns. (atomic_compare_and_swap): Update calls. Check only cmpxchg8b_pic_memory_operand in memory address fixup. (DCASMODE): Remove. (CASHMODE): Rename from DCASHMODE. (doublemodesuffix): Update modes. (regprefix): New mode attribute. (unspecv) : Remove. : New constant. (atomic_compare_and_swap_1): Rename from atomic_compare_and_swap_single. Update calls and unspec_volatile constants. (atomic_compare_and_swap_doubleword): Rename from atomic_compare_and_swap_double. Update calls and unspec_volatile constants. 2012-08-28 Walter Lee Backport from mainline 2012-08-28 Walter Lee * confg/tilegx/tilegx.md: Fix code style. (*zero_extendsidi_truncdisi): Fix typo. * config/tilegx/tilegx.c: Fix code style. (tilegx_function_profiler): Fix typo. 2012-08-27 Walter Lee Backport from mainline 2012-08-27 Walter Lee * doc/md.texi (TILE-Gx): Fix typo. 2012-08-27 Walter Lee Backport from mainline 2012-08-27 Walter Lee * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo. * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto. 2012-08-27 Walter Lee Backport from mainline 2012-08-27 Walter Lee * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins. (insn_bfins): Delete. 2012-08-27 Walter Lee Backport from mainline 2012-08-27 Walter Lee * config/tilegx/sync.md (atomic_compare_and_swap_bare, atomic_exchange_bare, atomic_fetch__bare): Set type to X1_remote. * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation. * config/tilegx/tilegx.md (type): Add X1_remove. (insn_cmpexch, insn_exch, insn_fetchadd, insn_fetchaddgez, insn_fetchand, insn_fetchor): Set type to X1_remote. 2012-08-25 Eric Botcazou PR rtl-optimization/54088 * jump.c (delete_related_insns): Robustify latest change. 2012-08-21 Richard Guenther Backport from mainline 2012-08-16 Richard Guenther PR middle-end/54146 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the exit vector. * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK. * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix. * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc. * tree-ssa-loop-im.c (analyze_memory_references): Adjust. (tree_ssa_lim_finalize): Free all mem_refs. * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free scc when bailing out. * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK. * ira-build.c (loop_with_complex_edge_p): Free loop exit vector. * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use FOR_EACH_LOOP_BREAK. 2012-08-17 Richard Guenther * tree-sra.c (modify_function): Free redirect_callers vector. * ipa-split.c (split_function): Free args_to_pass vector. * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate vec_oprnds. (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS. * tree-vect-slp.c (vect_free_slp_instance): Free the instance. (vect_analyze_slp_instance): Free everything. (destroy_bb_vec_info): Free the SLP instances. 2012-08-17 Richard Guenther * params.def (integer-share-limit): Decrease from 256 to 251, add rationale. 2012-08-21 Richard Guenther * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free the affine expansion cache. 2012-08-20 Patrick Marlier Backported from trunk 2012-08-20 Patrick Marlier PR middle-end/53992 * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION. 2012-08-20 Ramana Radhakrishnan Backport from mainline. 2012-08-15 Ramana Radhakrishnan PR target/54212 * config/arm/neon.md (vec_set_internal VD,VQ): Do not mark as predicable. Adjust asm template. (vec_setv2di_internal): Likewise. (vec_extract VD, VQ): Likewise. (vec_extractv2di): Likewise. (neon_vget_lane_sext_internal VD, VQ): Likewise. (neon_vset_lane_sext_internal VD, VQ): Likewise. (neon_vdup_n VX, V32): Likewise. (neon_vdup_nv2di): Likewise. 2012-08-17 Walter Lee Backport from mainline 2012-08-17 Walter Lee * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define. (FEEDBACK_ENTER): Define. (FEEDBACK_REENTER): Define. (FEEDBACK_ENTRY): Define. * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define. (FEEDBACK_ENTER): Define. (FEEDBACK_REENTER): Define. (FEEDBACK_ENTRY): Define. 2012-08-16 Walter Lee Backport from mainline 2012-08-16 Walter Lee * config.gcc (tilegx-*-linux*): Add feedback.h. (tilepro-*-linux*): Likewise. * config/tilegx/feedback.h: New file. * config/tilepro/feedback.h: New file. 2012-08-08 Pavel Chupin Backport from mainline r189840 and r187586: 2012-07-25 Sergey Melnikov * config/i386/i386.md (stack_protect_set): Disable the pattern for Android since Android libc (bionic) does not provide random value for stack protection guard at gs:0x14. Guard value will be provided from external symbol (default implementation). (stack_protect_set_): Likewise. (stack_protect_test): Likewise. (stack_protect_test_): Likewise. * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does not have Bionic by default * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC) Macro OPTION_BIONIC is defined in this file and provides Bionic accessibility status 2012-05-16 Igor Zamyatin * configure.ac: Stack protector enabling for Android targets. * configure: Regenerate. 2012-08-13 Jakub Jelinek Backported from trunk 2012-07-19 Jakub Jelinek PR rtl-optimization/53942 * function.c (assign_parm_setup_reg): Avoid zero/sign extension directly from likely spilled non-fixed hard registers, move them to pseudo first. 2012-08-11 Uros Bizjak * config/i386/sse.md (xop_phaddbq): Fix vec_select selectors. (xop_phaddubq): Ditto. 2012-08-10 Ulrich Weigand Backport from mainline 2012-07-30 Ulrich Weigand Richard Earnshaw * target.def (vector_alignment): New target hook. * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook. * doc/tm.texi: Regenerate. * targhooks.c (default_vector_alignment): New function. * targhooks.h (default_vector_alignment): Add prototype. * stor-layout.c (layout_type): Use targetm.vector_alignment. * config/arm/arm.c (arm_vector_alignment): New function. (TARGET_VECTOR_ALIGNMENT): Define. * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use vector type alignment instead of size. * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use element type size directly instead of computing it from alignment. Fix variable naming and comment. 2012-08-09 Uros Bizjak Backport from mainline 2012-08-09 Uros Bizjak * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ... (alpha_pad_function_end): ... this. Also insert NOP between sibling call and GP load. (alpha_reorg): Update call to alpha_pad_function_end. Expand comment. 2012-08-09 H.J. Lu Backport from mainline 2012-08-08 Richard Sandiford H.J. Lu PR rtl-optimization/54157 * combine.c (gen_lowpart_for_combine): Don't return identity for CONST or symbolic reference. 2012-08-06 Uros Bizjak Backport from mainline 2012-07-23 Uros Bizjak * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype. * config/i386/i386.c (ix86_lea_outperforms): Make static. Make split_cost argument signed. (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1. (ix86_avoid_lea_for_addr): Ditto. 2012-07-27 Uros Bizjak * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if the address has less than two components. 2012-08-02 Steve Ellcey Backport from mainline 2012-07-19 Steve Ellcey * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in MIPS16 mode. 2012-08-02 Uros Bizjak Backport from mainline 2012-07-24 Uros Bizjak PR target/53961 * config/i386/i386.c (ix86_legitimate_address_p): Move check for negative constant address for TARGET_X32 ... (ix86_decompose_address): ... here. Reject constant addresses that don't satisfy x86_64_immediate_operand predicate. 2012-07-23 Uros Bizjak PR target/53961 * config/i386/i386.md (*lea): Add asserts to detect invalid addresses. * config/i386/i386.c (ix86_print_operand_address): Ditto. (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...))) addresses. Prevent zero extensions of CONST_INT operands. 2012-07-22 Uros Bizjak PR target/53961 * config/i386/i386.md (*lea): New insn pattern. (*lea_1): Remove. (*lea_2): Ditto. (*lea_{3,4,5,6}_zext): Ditto. * config/i386/predicates.md (lea_address_operand): Do not reject zero-extended address operands. * config/i386/constraints.md (j): Remove address constraint. * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg of an address. (ix86_print_operand_address): Handle SImode subreg of an address. (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now. 2012-08-01 Uros Bizjak Backport from mainline 2012-03-09 Uros Bizjak PR target/52530 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier. (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback to set code to 'q'. * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec. (*movdi_internal_rex64): Use %E operand modifier for lea. (*movsi_internal): Ditto. (*lea_1): Ditto. (*lea_2): Ditto. (*lea_{3,4,5,6}_zext): Ditto. (*tls_global_dynamic_32_gnu): Ditto. (*tls_global_dynamic_64): Ditto. (*tls_dynamic_gnu2_lea_32): Ditto. (*tls_dynamic_gnu2_lea_64): Ditto. (pro_epilogue_adjust_stack__add): Ditto. 2012-08-01 Uros Bizjak Backport from mainline 2012-08-01 Uros Bizjak * config/i386/i386.c (ix86_address_subreg_operand): Reject stack pointer. (ix86_print_operand_address): Assert that parts.base and parts.index are non-NULL after call to simplify_subreg. 2012-07-22 Oleg Endo PR target/33135 * config/sh/sh.opt (mieee): Use Var instead of Mask. Correct description. * config/sh/sh.c (sh_option_override): Do not change flag_finite_math_only. Set TARGET_IEEE to complement of flag_finite_math_only. * doc/invoke.texi (SH options): Add mno-ieee. Correct description of mieee and mno-ieee behavior. 2012-07-20 Kirill Yukhin PR target/53877 * config/i386/lzcntintrin.h (_lzcnt_u32): New. (_lzcnt_u64): Ditto. 2012-07-20 Andrey Belevantsev Backport from mainline 2012-03-06 Andrey Belevantsev PR rtl-optimization/52250 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb to put note list into. Unconditionally call move_bb_info. (move_bb_info): Do not assert the blocks being in the same region, just drop the note list if they are not. 2012-07-19 Eric Botcazou * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber. 2012-07-19 Eric Botcazou * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the defining statement is a SSA name that occurs in abnormal PHIs. 2012-07-19 Eric Botcazou * gimple-fold.c (canonicalize_constructor_val): Strip only useless type conversions. 2012-07-19 Richard Guenther Eric Botcazou * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment about transition from invariant to known bits. (likely_value): Addresses with UNDEFINED components are UNDEFINED. 2012-07-19 Jakub Jelinek PR middle-end/54017 * tree-cfgcleanup.c (cleanup_omp_return): Remove. (cleanup_tree_cfg_bb): Don't call it. * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case handling. 2012-07-19 Christian Bruel PR target/54029 * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps. 2012-07-18 Ralf Corsépius * config.gcc (v850-*-rtems*): New target. * config/v850/rtems.h: New. * config/v850/t-rtems: New. 2012-07-18 Nick Clifton * doc/invoke.texi (ARM Options): Document -munaligned-access. 2012-07-15 Uros Bizjak PR target/53961 Backport from mainline 2012-04-25 Jakub Jelinek PR target/53110 * config/i386/i386.md (and3): For andq $0xffffffff, reg instead expand it as zero extension. 2012-07-14 Uros Bizjak * config/i386/i386.md (QImode and HImode cmove splitters): Merge QImode and HImode splitters. Use ix86_comparison_operator. Explicitly match FLAGS_REG. (DFmode cmove splitter): Explicitly match FLAGS_REG. 2012-07-13 Richard Sandiford Steven Bosscher Bernd Schmidt PR rtl-optimization/53908 * df-problems.c (can_move_insns_across): When doing memory-reference book-keeping, handle call insns. 2012-07-10 Uros Bizjak Backport from mainline 2012-07-03 Uros Bizjak PR target/53811 * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies sibcall_insn_operand. Move it to a temporary register if not. 2012-07-06 Uros Bizjak PR target/53853 * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model, emit PIC sequence for fnaddr symbol reference in advance. 2012-07-09 Jason Merrill PR c++/53882 * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE. (type_hash_eq): Likewise. PR c++/53826 * tree.c (build_zero_cst): Handle NULLPTR_TYPE. 2012-07-07 Ulrich Weigand * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour due to negative shift amount. 2012-07-06 Kai Tietz Backport from mainline. PR bootstrap/52947 * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always as "/mingw/include". 2012-07-06 Nick Clifton * config/mn10300/mn10300.c (mn10300_encode_section_info): Call default_encode_section_info. 2012-07-06 Richard Guenther Backport from mainline 2012-03-30 Richard Guenther PR middle-end/52786 * double-int.c (rshift_double): Remove not needed cast. 2012-03-28 Richard Guenther PR middle-end/50708 * double-int.h (rshift_double): Remove. * double-int.c (lshift_double): Use absu_hwi to make count positive. (rshift_double): Make static, take unsigned count argument, remove handling of negative count argument. (double_int_rshift): Dispatch to lshift_double. 2012-07-06 Richard Guenther Backport from mainline 2012-06-18 Richard Guenther PR tree-optimization/53693 * tree-vect-patterns.c (vect_operation_fits_smaller_type): Reject operands with more than one use. 2012-07-06 Richard Guenther Backport from mainline 2012-04-11 Richard Guenther PR middle-end/52621 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly consider loop nesting. (evolution_function_is_univariate_p): Properly check the remainder for chrecs. 2012-07-05 Pat Haugen Backport from mainline 2012-05-24 Pat Haugen * config/rs6000/rs6000.c (rs6000_option_override_internal): Change rs6000_sched_costly_dep default to true_store_to_load_dep_costly. (adjacent_mem_locations): Move some code to and call... (get_memref_parts): ...new function. (mem_locations_overlap): New function. (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn. (is_mem_ref): Rename to... (find_mem_ref): ...this. Return MEM rtx. (get_store_dest): Remove function. (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add new parameter and adjust calls. (rs6000_is_costly_dependence): Update calls for extra arg. Make sure mem refs overlap for true_store_to_load_dep_costly. (rs6000_sched_reorder2): Update calls for extra arg. Adjust args passed to adjacent_mem_locations. (is_costly_group): Walk resolved dependency list. (force_new_group): Emit group ending nop for Power6/Power7. * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value. (group_ending_nop): New define_insn. 2012-07-04 Richard Guenther PR middle-end/53433 * gimple-fold.c (get_base_constructor): Do not return an error_mark_node DECL_INITIAL. 2012-07-04 Uros Bizjak Backport from mainline 2012-07-03 Uros Bizjak * config/i386/i386.c (ix86_option_override_internal): Fix wrong code model string in the error message. 2012-07-04 Tristan Gingold Backport from mainline. 2012-06-25 Tristan Gingold * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ... (seh_cfa_adjust_cfa): ... that function. (seh_emit_stackalloc): Do not emit out of range values. * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE, UNSPEC_DEF_CFA constants. * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define. * config/i386/i386.c (ix86_frame_pointer_required): Required for very large frames on SEH target. (ix86_compute_frame_layout): Save area is before frame pointer on SEH target. Handle very large frames. (ix86_expand_prologue): Likewise. 2012-07-04 Richard Guenther * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same as in free_lang_data_in_type. 2012-07-02 Martin Jambor Backport from mainline. 2012-07-02 Martin Jambor PR middle-end/38474 * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a dynamic type change check. 2012-06-29 Eric Botcazou * tree-eh.c (lower_try_finally_switch): Really put the location of the last statement of the finally block onto the switch. 2012-06-29 Ramana Radhakrishnan * configure: Regenerate. Backport from mainline. 2012-03-15 Ramana Radhakrishnan * config.gcc (target_type_format_char): New. Document it. Set it for arm*-*-* . * configure.ac (gnu_unique_option): Use target_type_format_char in test. Comment rationale. 2012-06-29 Ramana Radhakrishnan Backport from mainline. 2012-05-30 Ramana Radhakrishnan * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error. 2012-06-28 Georg-Johann Lay Backport from 2012-06-28 mainline r189049 PR 53595 * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New. * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New. * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to avr_hard_regno_call_part_clobbered. 2012-06-28 Richard Guenther PR middle-end/53790 * expr.c (expand_expr_real_1): Verify if the type is complete before inspecting its size. 2012-06-27 Nick Clifton * config/rx/rx.md (comparesi3_extend): Remove = modifier from input operand. 2012-06-26 Alexandre Oliva PR debug/53682 * cselib.c (promote_debug_loc): Don't crash on NULL argument. 2012-06-26 Nick Clifton * config/rx/rx.md (simple_return): Use the simple_return rtx. 2012-06-25 Jakub Jelinek PR target/53759 * config/i386/sse.md (sse_loadlps): Use x m x constraints instead of x x x in the vmovlps load alternative. 2012-06-22 Richard Guenther * gcov-iov.c: Include bconfig.h and system.h. 2012-06-22 Richard Guenther PR gcov-profile/53744 * gcov-iov.c (main): Treat "" and "prerelease" the same. 2012-06-22 Eric Botcazou * tree-ssa-live.c (remove_unused_scope_block_p): Remove again DECL_IGNORED_P non-reg vars even if they are used. 2012-06-19 Jason Merrill PR c++/52637 * dwarf2out.c (modified_type_die): Use scope_die_for. (gen_type_die_with_usage, dwarf2out_finish): Likewise. (uses_local_type_r, uses_local_type): New. (scope_die_for): Keep a type that uses a local type in local scope. Use get_context_die for namespace and type scope. 2012-06-19 Richard Guenther PR middle-end/53470 * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but replace it with the first non-BLOCK context. 2012-06-18 Vladimir Makarov PR rtl-optimization/53700 Backport from mainline 2012-03-29 Vladimir Makarov * ira-color.c (setup_left_conflict_sizes_p): Process all conflicting objects. 2012-06-18 Venkataramanan Kumar Backport from mainline 2012-05-09 Uros Bizjak PR target/52908 * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high. (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern instead of xop_mulv2div2di3_low. (xop_pdql): Fix vec_select selector. (xop_pdqh): Ditto. (xop_mulv2div2di3_low): Remove insn_and_split pattern. (xop_mulv2div2di3_high): Ditto. 2012-06-17 Uros Bizjak Backport from mainline: 2012-06-17 Uros Bizjak * config/i386/sse.md (vcvtph2ps): Fix vec_select selector. 2012-06-16 John David Anglin Backport from mainline: 2012-06-03 John David Anglin * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define. * config/pa/pa.c (pa_attr_length_millicode_call): Use MAX_PCREL17F_OFFSET instead of fixed offset. (pa_attr_length_call): Likewise. (pa_attr_length_indirect_call): Likewise. 2012-06-15 Walter Lee Backport from mainline: 2012-06-15 Walter Lee * config/tilegx/sync.md (atomic_fetch_): Fix typo. 2012-06-14 Maxim Kuvyrkov * config/tilegx/sync.md (atomic_fetch_sub): Fix typo. 2012-06-15 Aldy Hernandez Backport from mainline: 2012-05-31 Aldy Hernandez * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm. * gimple.h (block_in_transaction): Check for flag_tm. 2012-06-14 Aldy Hernandez PR tree-optimization/52558 Backport from mainline: 2012-05-21 Aldy Hernandez * gimple.h (gimple_set_in_transaction): Remove. (gimple_in_transaction): Look in BB instead. (gimple_statement_base): Remove in_transaction field. * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION. * trans-mem.c (compute_transaction_bits): Place transaction bit information into basic blocks. 2012-05-31 Aldy Hernandez PR tree-optimization/52558 * cfg.c (alloc_aux_for_edge): Fix comment. (alloc_aux_for_edge): Remove static. * basic-block.h (alloc_aux_for_edge): Protoize. * tree-ssa-loop-im.c (execute_sm_if_changed): New. (execute_sm_if_changed_flag): New. (execute_sm_if_changed_flag_set): New. (execute_sm): Do not generate data races unless requested. (tree_ssa_lim_initialize): Call alloc_aux_for_edges. (tree_ssa_lim_finalize): Call free_aux_for_edges. * gimple.h (block_in_transaction): New. (gimple_in_transaction): Use block_in_transaction. 2012-06-14 Jakub Jelinek Backported from mainline 2012-06-12 Jakub Jelinek PR rtl-optimization/53589 * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge discovery even when e->dest != target. If any LABEL_REF points to e->dest label, redirect it to target's label. 2012-06-07 Jakub Jelinek PR middle-end/53580 * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions returns false, replace stmt with GIMPLE_NOP. (check_omp_nesting_restrictions): Instead of issuing warnings, issue errors and return false if any errors were reported. 2012-06-14 Richard Guenther * BASE-VER: Set to 4.7.2. * DEV-PHASE: Set to prerelease. 2012-06-12 Christian Bruel PR target/53621 * config/sh/sh.c (sh_option_override): Don't force flag_omit_frame_pointer and maccumulate_outgoing_args. * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var. 2012-06-14 Release Manager * GCC 4.7.1 released. 2012-06-13 Uros Bizjak * config/ia64/sync.md (fetchop_name): Change ior attribute to "or". 2012-06-13 Richard Henderson * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode iterator instead of INT. 2012-06-08 Richard Henderson PR c++/53602 * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE note to a clobber insn when no other insn is available. 2012-06-04 Paolo Carlini PR c++/53524 * doc/invoke.texi (Wenum-compare): Update documentation. 2012-06-04 Edmar Wienskoski PR target/53559 * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of operands. (altivec_stvlxl): Ditto. (altivec_stvrx): Ditto. (altivec_stvrxl): Ditto. 2012-06-04 Aldy Hernandez PR middle-end/47530 * trans-mem.c (expand_block_edges): Do not skip the first statement when resetting the BB. 2012-06-04 Richard Guenther PR middle-end/53471 * dwarf2out.c (dwarf2out_finish): If generating LTO do not create new assembler names. 2012-06-04 Richard Guenther Backport from mainline 2012-04-25 Jakub Jelinek PR middle-end/52979 * stor-layout.c (get_best_mode): Don't return mode with bitsize larger than maxbits. Don't compute maxbits modulo align. Also check that unit bytes long store at bitpos / unit * unit doesn't affect bits beyond bitregion_end. * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM would not fit into bitregion_start ... bitregion_end + 1 bit region. (store_split_bit_field): Decrease unit close to end of bitregion_end if access is restricted in order to avoid mutual recursion. 2012-06-04 Georg-Johann Lay Backport from 2012-06-04 mainline r188172 PR target/46261 * config/avr/avr-stdint.h: New file. * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of newlib-stdint.h 2012-06-04 Jakub Jelinek PR tree-optimization/53550 * tree-ssa-loop-niter.c (number_of_iterations_cond): If type is POINTER_TYPE_P, use sizetype as step type instead of type. 2012-06-04 Richard Guenther Eric Botcazou Backport from mainline 2012-04-03 Eric Botcazou * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS. Change type of BITOFFSET to signed. Make sure the lower bound of the computed range is non-negative by adjusting OFFSET and BITPOS. (expand_assignment): Adjust call to get_bit_range. 2012-03-27 Eric Botcazou * expr.c (get_bit_range): Return the null range if the enclosing record is part of a larger bit field. 2012-03-20 Richard Guenther * stor-layout.c (finish_bitfield_representative): Fallback to conservative maximum size if the padding up to the next field cannot be computed as a constant. (finish_bitfield_layout): If we cannot compute the distance between the start of the bitfield representative and the bitfield member start a new representative. * expr.c (get_bit_range): The distance between the start of the bitfield representative and the bitfield member is zero if the field offsets are not constants. 2012-03-16 Richard Guenther * stor-layout.c (finish_bitfield_representative): Fall back to the conservative maximum size if we cannot compute the size of the tail padding. 2012-03-14 Richard Guenther * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define. * stor-layout.c (start_bitfield_representative): New function. (finish_bitfield_representative): Likewise. (finish_bitfield_layout): Likewise. (finish_record_layout): Call finish_bitfield_layout. * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER for QUAL_UNION_TYPE fields. * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers): Stream DECL_BIT_FIELD_REPRESENTATIVE. * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise. PR middle-end/52080 PR middle-end/52097 PR middle-end/48124 * expr.c (get_bit_range): Unconditionally extract bitrange from DECL_BIT_FIELD_REPRESENTATIVE. (expand_assignment): Adjust call to get_bit_range. 2012-06-01 Eric Botcazou PR middle-end/53501 * fold-const.c (fold_binary_loc): Refine previous change. 2012-06-01 Oleg Endo Backport from mainline 2012-03-27 Chung-Lin Tang PR target/52667 * config/sh/sh.c (find_barrier): Add equality check of last_got to avoid going above orig insn. Update comments. 2012-06-01 Oleg Endo Backport from mainline 2012-03-21 Kaz Kojima PR target/52642 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of prologue for unwinder and profiler. 2012-06-01 Oleg Endo Backport from mainline 2012-03-03 Kaz Kojima * config/sh/sh.md (abssi2): Add TARGET_SH1 condition. 2012-06-01 Oleg Endo Backport from mainline 2012-03-03 Kaz Kojima * config/sh/sh.c (sh_dwarf_register_span): Don't apply DBX_REGISTER_NUMBER. 2012-06-01 Oleg Endo Backport from mainline 2012-03-03 Kaz Kojima * config/sh/sh.c (shiftcosts): Return MAX_COST when the first operand is CONST_INT. Take COSTS_N_INSNS into account. (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of shiftcosts. 2012-05-31 Georg-Johann Lay * config/avr/avr.opt (-msp8): Document it. * doc/invoke.texi (AVR Options): Copy from trunk docu. 2012-05-31 Richard Guenther PR middle-end/48493 * expr.c (expand_assignment): Do not use movmisalign on non-memory. 2012-05-30 John David Anglin PR target/52999 * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define. (pa_section_type_flags): New. (pa_legitimate_constant_p): Revert previous change. 2012-05-30 Aldy Hernandez Backport from mainline 2012-05-25 Aldy Hernandez PR middle-end/53008 * trans-mem.c (ipa_tm_create_version_alias): Output new_node if accessed indirectly. (ipa_tm_create_version): Same. 2012-05-30 Jason Merrill PR c++/53220 * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning about array compound literals. 2012-05-30 Richard Guenther PR middle-end/53501 * fold-const.c (fold_binary_loc): Make sure to call fold_plusminus_mult_expr with the original sign of operands. 2012-05-30 Eric Botcazou * explow.c (probe_stack_range): Restore simple control flow and stop again when the probe cannot be generated if HAVE_check_stack. 2012-05-30 Jakub Jelinek PR rtl-optimization/53519 * combine.c (simplify_shift_const_1) : Use constm1_rtx instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR. 2012-05-29 Richard Guenther PR tree-optimization/53516 * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject bitfield accesses. * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise. 2012-05-28 Bill Schmidt Backport from mainline 2012-05-28 Richard Guenther PR tree-optimization/53438 * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion. 2012-05-26 Eric Botcazou Backport from mainline 2012-03-10 Chung-Lin Tang PR rtl-optimization/52528 * combine.c (can_combine_p): Add setting of subst_low_luid before call to expand_field_assignment(). 2012-05-26 Martin Jambor Backport from mainline 2012-05-23 Martin Jambor * ipa-inline-analysis.c (inline_merge_summary): Free operand_map. 2012-05-25 Eric Botcazou PR lto/52178 * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL. * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR. 2012-05-25 Alexander Ivchenko PR target/53435 * config/i386/i386.c (ix86_expand_vec_perm): Use correct op. (ix86_expand_vec_perm): Use int mode instead of float. 2012-05-25 Eric Botcazou PR ada/52362 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and gnu_ld variables to yes. * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion. (HAVE_GNU_AS): Likewise. * config.in: Regenerate. * configure: Likewise. 2012-05-25 Ramana Radhakrishnan Backport from mainline 2012-03-12 Richard Guenther * config/arm/arm.c (neon_dereference_pointer): Do not call covert during RTL expansion. 2012-05-24 Bill Schmidt Backport from mainline 2012-05-18 Bill Schmidt PR target/53385 * config/rs6000/rs6000.c (print_operand): Revise code that unsafely relied on signed overflow behavior. 2012-05-24 Richard Guenther PR middle-end/53460 * tree-profile.c (tree_profiling): Cleanup the CFG if execute_fixup_cfg requests it. 2012-05-24 Jakub Jelinek PR tree-optimization/53465 * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range vr0 into *vr, then vrp_meet that. (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't have any equivalences. (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the first time. 2012-05-23 Eric Botcazou * gimple.c (gimple_types_compatible_p_1) : Remove bogus size handling. (gimple_canonical_types_compatible_p) : Likewise. (iterative_hash_gimple_type): Adjust comment. (iterative_hash_canonical_type): Likewise. Hash the bounds of the domain for an array type instead of the domain type itself. 2012-05-23 Georg-Johann Lay Backport from 2012-05-23 mainline r187803 PR target/53448 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1. * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use ASM_OUTPUT_ALIGN. 2012-05-23 Ganesh Gopalasubramanian Backport from 2012-05-03 mainline r187075 * config/i386/driver-i386.c (host_detect_local_cpu): Reset has_fma4 for AMD processors with both fma3 and fma4 support. 2012-05-22 Richard Guenther PR tree-optimization/53408 * tree-vect-loop.c (vectorizable_induction): Properly check the restriction that we cannot handle induction results from the inner loop outside of the outer loop. 2012-05-21 Jakub Jelinek PR tree-optimization/53436 * omp-low.c (omp_build_component_ref): New function. (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it. PR tree-optimization/53366 * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut tests if complex_numbers == 2, but there are non-complex number loads too. PR tree-optimization/53409 * tree-vect-loop.c (vect_analyze_loop_operations): Don't check vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop. PR tree-optimization/53410 * fold-const.c (fold_binary_loc): Use build_zero_cst (type) instead of build_int_cst (type, 0) where vector types might be involved. 2012-05-21 Joseph Myers PR c/53418 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR from folded operands before wrapping another around the conditional expression. 2012-05-21 Dave Boutcher Patrick Marlier * trans-mem.c (ipa_tm_transform_clone): Transform functions with indirect calls. 2012-05-21 H.J. Lu Backport from mainline 2012-05-21 H.J. Lu PR target/53416 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ... (UNSPECV_RDRAND): This. (rdrand_1): Updated. 2012-05-20 H.J. Lu Backport from mainline 2012-05-20 H.J. Lu * config/i386/driver-i386.c (host_detect_local_cpu): Support RDRND, F16C and FSGSBASE. 2012-05-19 Eric Botcazou Backport from mainline 2012-05-14 Eric Botcazou * tree-ssa-pre.c (can_value_number_call): Delete. (compute_avail): Skip all statements with side effects. : Skip calls to internal functions. 2012-05-18 David S. Miller Backport r185385 from mainline 2012-03-14 Richard Guenther PR middle-end/52584 * tree-vect-generic.c (type_for_widest_vector_mode): Take element type instead of mode, use build_vector_type_for_mode instead of the langhook, build a vector of proper signedness. (expand_vector_operations_1): Adjust. 2012-05-18 Olivier Hainque * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of $(libsubdir) as libexecsubdir. 2012-05-16 Andrew Pinski * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under GIMPLE_ASSIGN. 2012-05-16 David S. Miller * jump.c (delete_related_insns): If we remove a CALL, make sure we delete it's NOTE_INSN_CALL_ARG_LOCATION note too. 2012-05-16 Richard Henderson PR debug/52727 * combine-stack-adj.c (prev_active_insn_bb): New. (next_active_insn_bb): New. (force_move_args_size_note): New. (combine_stack_adjustments_for_block): Use it. 2012-05-16 Olivier Hainque * Makefile.in (install-no-fixedincludes): New target, former toplevel gcc-no-fixedincludes. Stash "include-fixed" in addition to "include". Add comments and improve stamp preservation across the whole sequence. (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h. 2012-05-16 Richard Guenther PR tree-optimization/53364 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly detect a view-conversion of the decl. 2012-05-15 Jakub Jelinek PR target/53358 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check that operands[2] is either immediate, or q_regs_operand. 2012-05-15 Bin Cheng Backport r187139 from mainline. 2012-05-04 Bin Cheng PR rtl-optimization/52804 * reload1.c (reload_reg_reaches_end_p): Check whether successor reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register of current one with type RELOAD_FOR_INPADDR_ADDRESS. Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and RELOAD_FOR_OUTADDR_ADDRESS. 2012-05-14 Uros Bizjak PR target/46098 * config/i386/i386.c (ix86_expand_special_args_builtin): Always generate target register for "load" class builtins. Revert: 2010-10-22 Uros Bizjak PR target/46098 * config/i386/sse.md (*avx_movu): Rename from avx_movu. (avx_movu): New expander. (*_movu): Rename from _movu. (_movu): New expander. (*avx_movdqu): Rename from avx_movdqu. (avx_movdqu): New expander. (*sse2_movdqu): Rename from sse2_movdqu. (sse2_movdqu): New expander. 2012-05-14 Jakub Jelinek * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat lineno 1 the same as lineno 0 before first start file directive. (optimize_macinfo_range): Likewise. * dwarf2out.c (have_macinfo): Define. (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info attribute, don't force empty compilation unit and don't emit any .debug_macinfo/.debug_macro section if macinfo_table is empty. 2012-05-13 Uros Bizjak Backport from mainline 2012-05-12 Uros Bizjak * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle ORDERED and UNORDERED conditions. 2012-05-12 Eric Botcazou * function.c (requires_stack_frame_p): If the function can throw non-call exceptions, return true if the insn can throw internally. 2012-05-10 Eric Botcazou * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the DECL_ORIGINAL_TYPE if it is present. 2012-05-09 Georg-Johann Lay Backport from 2012-05-12 mainline r187342. PR target/53256 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove. * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove. * config/avr/avr.h (struct machine_function): Add attributes_checked_p. * config/avr/avr.c (avr_asm_declare_function_name): Remove. (expand_prologue): Move initialization of cfun->machine->is_naked, is_interrupt, is_signal, is_OS_task, is_OS_main from here to... (avr_set_current_function): ...this new static function. (TARGET_SET_CURRENT_FUNCTION): New define. (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of checking attributes of current_function_decl. (avr_regs_to_save): Ditto. (signal_function_p): Rename to avr_signal_function_p. (interrupt_function_p): Rename to avr_interrupt_function_p. * doc/extend.texi (Function Attributes): Better explanation of 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish alphabetical order. 2012-05-09 Matthias Klose * gcc-ar.c (main): Don't check for execute bits for the plugin. 2012-05-08 Hans-Peter Nilsson PR target/53272 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32, when a constant source operand matches an "I" constraint, the "no CC0 change" applies to a register-destination only, not a strict_low_part-destination. 2012-05-07 Ramana Radhakrishnan Backport from mainline: 2012-04-19 Ramana Radhakrishnan * config/arm/sync.md (sync_optab): Change ior attribute to "or". 2012-05-07 Jakub Jelinek PR tree-optimization/53239 * tree-vrp.c (get_value_range): Set VR of SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL to nonnull. 2012-05-07 Richard Guenther PR tree-optimization/53195 * tree-inline.c (setup_one_parameter): Properly add referenced vars from the parameters new known value. 2012-05-06 John David Anglin Backport from mainline: 2012-04-27 John David Anglin PR target/52999 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels in constant pool. 2012-05-04 Ian Lance Taylor * tree-vect-patterns.c (vect_single_imm_use): Correct return values from false to NULL. 2012-05-04 Uros Bizjak Backport from mainline 2012-05-04 Uros Bizjak PR target/53228 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE. (TARGET_CMOV): Rename from TARGET_CMOVE. (TARGET_CMOVE): New define. * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV. Do not set TARGET_CMOVE here. 2012-05-04 Ulrich Weigand Backport from mainline: 2012-05-04 Ulrich Weigand PR tree-optimization/52633 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern. (vect_recog_over_widening_pattern): Remove handling of code that was already detected as over-widening pattern. Remove special handling of "unsigned" cases. Instead, support general case of conversion of the shift result to another type. 2012-05-04 Ulrich Weigand * tree-vect-patterns.c (vect_single_imm_use): New function. (vect_recog_widen_mult_pattern): Use it instead of open-coding loop. (vect_recog_over_widening_pattern): Likewise. (vect_recog_widen_shift_pattern): Likewise. 2012-04-10 Ulrich Weigand PR tree-optimization/52870 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that presumed pattern statement is within the same loop or basic block. 2012-05-04 Richard Guenther * common.opt (flto-report): Do not mark as Optimization. 2012-05-04 Eric Botcazou PR target/48496 * recog.c (constrain_operands): If extra constraints are present, also accept pseudo-registers with equivalent memory locations during reload. 2012-05-03 Michael Meissner Backport from the mainline 2012-05-03 Michael Meissner PR target/53199 * config/rs6000/rs6000.md (bswapdi splitters): If -mavoid-indexed-addresses (or -mcpu=power6 which sets it by default) is used, generate an alternate sequence that does not depend on using indexed addressing. 2012-05-03 David S. Miller PR target/52684 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a MEM directly into a libcall, mark it's MEM_EXPR as addressable. (sparc_emit_float_lib_cmp): Likewise. 2012-05-04 Martin Jambor Backport from mainline 2012-05-02 Martin Jambor PR lto/52605 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context of a variable when the contect is a function. 2012-05-03 Jakub Jelinek PR plugins/53126 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env, append program name to it and pass that as first argument to make_relative_prefix. Always pass standard_libexec_prefix as last argument to make_relative_prefix. If make_relative_prefix returns NULL, fall back to standard_libexec_prefix. PR debug/53174 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being removed. PR target/53187 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class mode, return that mode. 2012-05-03 Richard Guenther PR tree-optimization/53144 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces): Rename to ... (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal with SSA name values. (vn_reference_lookup_3): Adjust callers. 2012-05-02 Jakub Jelinek PR tree-optimization/53163 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore return value from compute_all_dependences. PR rtl-optimization/53160 * ree.c (combine_reaching_defs): Handle the case where cand->insn has been modified by ree pass already. 2012-05-01 Uros Bizjak Backport from mainline 2012-04-30 Uros Bizjak PR middle-end/53136 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple calls to cgraph_node_name in xstrdup. (ipa_make_edge_direct_to_target): Ditto. * tree-sra.c (convert_callers_for_node): Ditto. * lto-symtab.c (lto_cgraph_replace_node): Ditto. * ipa-cp.c (perhaps_add_new_callers): Ditto. * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto. (cgraph_materialize_all_clones): Ditto. * ipa-inline.c (report_inline_failed_reason): Ditto. (want_early_inline_function_p): Ditto. (edge_badness): Ditto. (update_edge_key): Ditto. (flatten_function): Ditto. (ipa_inline): Ditto. (inline_always_inline_functions): Ditto. (early_inline_small_functions): Ditto. 2012-04-30 Andreas Tobler Backport from mainline 2012-03-21 Andreas Tobler * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*. Introduce emul_name to select the right linker emulation for powerpc64-*-freebsd*. * configure: Regenerate. * config.gcc: Add bits to support powerpc64-*-freebsd*. * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define. * config/rs6000/freebsd64.h: New file. * config/rs6000/rs6000.c (rs6000_option_override_internal): Use POWERPC_FREEBSD. (rs6000_savres_strategy): Likewise. (rs6000_savres_routine_name): Likewise. (rs6000_elf_file_end): Likewise. * config/rs6000/t-freebsd64: New file. * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the rs6000_current_abi for 64-bit FreeBSD to ABI_AIX. 2012-04-30 Uros Bizjak Backport from mainline 2012-04-27 Paolo Bonzini PR target/53138 * config/i386/i386.md (x86_movcc_0_m1_neg): Add clobber. 2012-04-30 Eric Botcazou * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper predicate to discriminate types. 2012-04-27 Richard Guenther PR c/51527 * convert.c (convert_to_integer): Avoid infinite recursion for target-defined built-in types. 2012-04-26 Hans-Peter Nilsson PR target/53120 * config/cris/cris.md ("*andhi_lowpart_v32") ("*andqi_lowpart_v32"): Change first input-only operand from a (match_operand ...) to (match_dup 0). Drop alternatives with const_int-matching constraints for redundancy. ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop three-operand alternative. 2012-04-26 Uros Bizjak Backport from mainline 2012-04-23 Uros Bizjak * config/i386/i386.md (*add_2): Add r/r/0 alternative. (*addsi_2_zext): Ditto. (*add_3): Ditto. (*addsi_3_zext): Ditto. (*add_5): Ditto. 2012-04-25 Jakub Jelinek PR c/52880 * c-typeck.c (set_nonincremental_init, set_nonincremental_init_from_string): Pass true instead of false as IMPLICIT to add_pending_init. 2012-04-24 Georg-Johann Lay Backport from 2012-04-24 mainline r186768. PR target/53065 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define. 2012-04-24 Richard Guenther PR tree-optimization/53085 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant stores. 2012-04-24 Jakub Jelinek PR middle-end/53084 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF. (output_addressed_constants): Likewise. PR middle-end/52999 * varasm.c (get_section): Don't ICE for section conflicts with built-in section kinds. 2012-04-23 David Edelsohn * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or". 2012-04-23 Georg-Johann Lay * doc/extend.texi (AVR Named Address Spaces): Fix typos. 2012-04-23 Richard Guenther PR c/53060 * c-typeck.c (build_binary_op): Fix typo. 2012-04-23 Jakub Jelinek PR tree-optimizations/52891 * tree-vect-patterns.c (adjust_bool_pattern): Use build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE, but with non-standard precision. 2012-04-22 Ian Lance Taylor * godump.c (go_output_typedef): Dump size of structs. 2012-04-20 Ulrich Weigand Backport from mainline: * config/arm/arm.c (arm_print_operand): Fix invalid alignment hints for 'A' operand types. 2012-04-19 Georg-Johann Lay Backport from 2012-04-19 mainline r186588. PR target/53033 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for the case *(X+const). 2012-04-18 Uros Bizjak * config/alpha/sync.md (fetchop_name): Change ior attribute to "or". 2012-04-17 Uros Bizjak PR target/53020 * config/i386/sync.md (atomic_): Rename to atomic_. 2012-04-16 Uros Bizjak Backport from mainline 2012-04-12 Uros Bizjak PR target/52932 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second argument type to __m256i. Update call to __builtin_ia32_permvarsf256. * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI. (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2. * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>: Update builtin type to V8SF_FTYPE_V8SF_V8SI. (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and gen_avx2_permvarv8sf. 2012-04-16 Martin Jambor Backported from mainline 2012-04-13 Martin Jambor PR middle-end/52939 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if fold_ctor_reference returns a zero constant. 2012-04-13 H.J. Lu Backported from mainline 2012-04-13 H.J. Lu * config/i386/i386-c.c (ix86_target_macros): Define _ILP32 and __ILP32__ for x32. 2012-04-13 Tom de Vries Backport from mainline r186418. 2012-04-13 Tom de Vries * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add parameters vuse and vuse_escaped. (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and vuse1 != vuse2. 2012-04-13 Richard Guenther PR tree-optimization/52969 * tree-if-conv.c (predicate_mem_writes): Properly gimplify the condition for the COND_EXPR and handle predicate negation by swapping the COND_EXPR arms. 2012-04-13 Richard Guenther PR c/52862 * convert.c (convert_to_pointer): Remove special-casing of zero. 2012-04-12 Michael Meissner Backport from mainline 2012-04-12 Michael Meissner PR target/52775 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to the list of options to enable the FCFID instruction. (TARGET_EXTRA_BUILTINS): Adjust comment. 2012-04-12 Richard Guenther PR tree-optimization/52943 * tree-chrec.h (chrec_is_positive): Remove. * tree-scalar-evolution.c (chrec_is_positive): Move ... * tree-data-ref.c (chrec_is_positive): ... here. Make static. Return false for a constant zero instead of negative. (analyze_siv_subscript_cst_affine): Handle zero difference in the initial condition explicitely. 2012-04-10 John David Anglin PR middle-end/52894 * varasm.c (process_pending_assemble_externals): Set pending_assemble_externals_processed true. (assemble_external): Call assemble_external_real if the pending assemble externals have been processed. 2012-04-09 Eric Botcazou PR target/52717 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on the DECL generated for the special GOT helper. 2012-04-06 Walter Lee Backport from mainline 2012-03-07 Walter Lee * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate REG_CFA_* notes for the stack pointer. (tilegx_expand_epilogue): Restore stack pointer by adjusting it by EH_RETURN_STACKADJ_RTX. * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't generate REG_CFA_* notes for the stack pointer. (tilepro_expand_epilogue): Restore stack pointer by adjusting it by EH_RETURN_STACKADJ_RTX. 2012-04-06 Matt Turner * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc". 2012-04-06 Eric Botcazou * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member of the destination isn't also a FP_REGS register. 2012-04-03 Richard Guenther Backport from mainline 2012-03-02 Richard Guenther PR tree-optimization/52406 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT. (struct indices): Add unconstrained_base member. (struct dr_alias): Remove unused vops member. (DR_UNCONSTRAINED_BASE): New define. * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs add indices to allow their disambiguation. Make DR_BASE_OBJECT be an artificial access that covers the whole indexed object, or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize plain decl base-objects to their MEM_REF variant. (dr_may_alias_p): When the base-object of either data reference has unknown size use only points-to information. (compute_affine_dependence): Make dumps easier to read and more verbose. * tree-vect-data-ref.c (vector_alignment_reachable_p): Use DR_REF when looking for packed references. (vect_supportable_dr_alignment): Likewise. 2012-04-03 Richard Guenther Backport from mainline 2012-03-15 Richard Guenther PR middle-end/52580 * tree-data-ref.c (subscript_dependence_tester_1): Check all dimensions for non-conflicting access functions. 2012-04-03 Richard Guenther Backport from mainline 2012-03-06 Richard Guenther PR middle-end/52493 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify. 2012-03-23 Richard Guenther PR tree-optimization/52678 * tree-vectorizer.h (struct _stmt_vec_info): Add loop_phi_evolution_part member. (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define. * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize STMT_VINFO_LOOP_PHI_EVOLUTION_PART. * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Use the cached evolution part and the PHI nodes value from the loop preheader edge instead of re-analyzing the evolution. 2012-03-26 Richard Guenther PR tree-optimization/52701 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always compute and set the evolution part of PHI nodes. 2012-03-30 Richard Guenther PR tree-optimization/52754 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only propagate arbitrary addresses into really plain dereferences. 2012-04-03 Jakub Jelinek PR tree-optimization/52835 * tree-data-ref.c (build_rdg): Return NULL if compute_data_dependences_for_loop failed. 2012-03-31 Eric Botcazou * tree-cfg.c (call_can_make_abnormal_goto): New predicate. (stmt_can_make_abnormal_goto): Use it. (is_ctrl_altering_stmt): Likewise. 2012-03-31 Martin Jambor Backported from mainline 2012-03-30 Martin Jambor * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there is a builtin_stack_save in a dominating BB. 2012-03-29 Uros Bizjak * config/i386/sse.md (avx_hv4df3): Fix results crossing 128bit lane boundary. 2012-03-29 Uros Bizjak Backported from mainline 2012-03-27 Uros Bizjak PR target/52698 * config/i386/i386-protos.h (ix86_legitimize_reload_address): New prototype. * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define. * config/i386/i386.c: Include reload.h. (ix86_legitimize_reload_address): New function. 2012-03-28 Martin Jambor Backported from mainline 2012-03-27 Martin Jambor PR middle-end/52693 * tree-sra.c (sra_modify_assign): Do not call load_assign_lhs_subreplacements when working with an unscalarizable region. 2012-03-28 Jakub Jelinek PR middle-end/52691 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize __builtin_va_start to __builtin_next_arg if the latter is builtin_decl_explicit_p rather than when it is not. PR middle-end/52750 * tree-vect-generic.c (vector_element): Perform multiplication for pos in bitsizetype type instead of idx type. 2012-03-28 Georg-Johann Lay Backport from 2012-03-28 mainline r185910. PR target/52692 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define. (avr_builtin_decl): New static function. (struct avr_builtin_description, avr_bdesc): Move up. Add GTY marker. Add field fndecl. Remove redundant field id. (avr_init_builtins): Initialize avr_bdesc[ID].fndecl. (avr_expand_builtin): Code cleanup because .id is removed. 2012-03-28 Aurelien Buhrig PR middle-end/51893 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian targets. 2012-03-28 Georg-Johann Lay Backport from 2012-03-28 mainline r185907. PR target/52737 * config.gcc (tm_file): Remove avr/multilib.h. * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack. * config/avr/genmultilib.awk: Remove code to generate multilib.h. (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack. * config/avr/t-avr: Remove generation of multilib.h. * config/avr/t-multilib: Regenerate. * config/avr/multilib.h: Remove. * config/avr/avr.opt (-msp8): New option. (avr_sp8): New variable. * config/avr/driver-avr.c (avr_device_to_sp8): New function. * config/avr/avr.h (AVR_HAVE_SPH): New define. (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8. (avr_device_to_sp8): New prototype. (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 } (DRIVER_SELF_SPECS): New define. * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines: __AVR_SP8__, __AVR_HAVE_SPH__. * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of AVR_HAVE_8BIT_SP to decide if SP_H is present. (avr_file_start): Ditto. 2012-03-28 Jakub Jelinek PR target/52736 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0 instead of 8 in adjust_address. 2012-03-27 Eric Botcazou * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple of a unit before computing the offset in units. 2012-03-27 Richard Guenther PR middle-end/52720 * fold-const.c (try_move_mult_to_index): Handle &x.array more explicitely. 2012-03-24 Eric Botcazou PR target/52610 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon. 2012-03-24 Steven Bosscher PR middle-end/52640 * varasm.c: Include pointer-set.h. (pending_assemble_externals_set): New pointer set. (process_pending_assemble_externals): Destroy the pointer set. (assemble_external): See if decl is in pending_assemble_externals_set, and add it to pending_assemble_externals if necessary. (init_varasm_once): Allocate pending_assemble_externals_set. 2012-03-23 Michael Meissner Backported from mainline 2012-03-06 Michael Meissner PR target/50310 * config/rs6000/vector.md (vector_uneq): Add support for UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons. (vector_ltgt): Likewise. (vector_ordered): Likewise. (vector_unordered): Likewise. * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise. 2012-03-23 Joern Rennecke * config/epiphany/epiphany.c (epiphany_function_value_regno_p): Make static. 2012-03-22 Kaz Kojima Backported from mainline 2012-03-02 Kaz Kojima PR target/48596 PR target/48806 * config/sh/sh.c (sh_register_move_cost): Increase cost between GENERAL_REGS and FP_REGS for SImode. 2012-03-22 Jakub Jelinek PR middle-end/52547 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars on any new_local_var_chain vars declared during recursing on GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body. 2012-03-22 Georg-Johann Lay Backport from 2012-03-22 mainline r185692. PR target/52496 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER. (unspecv): Add UNSPECV_MEMORY_BARRIER. (cli_sei): Use unspec_volatile instead of unspec for memory barrier. (delay_cycles_1, delay_cycles_2): Ditto. (delay_cycles_3, delay_cycles_4): Ditto. (nopv, *nopv): Ditto. (sleep, *sleep): Ditto. (wdr, *wdr): Ditto. Backport from 2012-03-21 mainline r185605. PR rtl-optimization/52543 PR target/52461 * config/avr/avr-protos.h (avr_load_lpm): New prototype. * config/avr/avr.c (avr_mode_dependent_address_p): New function. (TARGET_MODE_DEPENDENT_ADDRESS_P): New define. (avr_load_libgcc_p): Restrict to __flash loads. (avr_out_lpm): Only handle 1-byte loads from __flash. (avr_load_lpm): New function. (avr_find_unused_d_reg): Remove. (avr_out_lpm_no_lpmx): Remove. (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM. * config/avr/avr.md (unspec): Add UNSPEC_LPM. (load__libgcc): Use UNSPEC_LPM instead of MEM. (load_, load__clobber): New insns. (mov): For multi-byte move from non-generic 16-bit address spaces: Expand to load_ resp. load__clobber. (load_libgcc): Remove expander. (split-lpmx): Remove split. Backport from 2012-03-13 mainline r185329. PR target/52488 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack offset (size) to a value the insns can deal with. (expand_epilogue): Ditto. Backport from 2012-03-12 mainline r185256. PR target/52499 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return type from reg_class_t to enum reg_class. * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto. Backport from 2012-03-12 mainline r185253. PR target/52148 * config/avr/avr.c (avr_out_movmem): Fix typo in output template for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in r184615 from 2012-02-28. Backport from 2012-03-08 mainline r185105. * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative for constants in [-63,63]. Backport from 2012-03-08 mainline r185100. PR target/52496 * config/avr/avr.c (avr_mem_clobber): New static function. (avr_expand_delay_cycles): Add memory clobber operand to delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4. * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER. (enable_interrupt, disable_interrupt): New expander. (nopv, sleep, wdr): New expanders. (delay_cycles_1): Add memory clobber. (delay_cycles_2): Add memory clobber. (delay_cycles_3): Add memory clobber. (delay_cycles_4): Add memory clobber. (cli_sei): New insn from former "enable_interrupt", "disable_interrupt" with memory clobber. (*wdt): New insn from former "wdt" with memory clobber. (*nopv): Similar, but for "nopv". (*sleep): Similar, but for "sleep". Backport from 2012-03-07 mainline r185043. PR target/52484 * config/avr/avr.md (xload_A): Add R22... to register footprint. Backport from 2012-03-07 mainline r185032. PR target/52506 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration to: RAMPZ, RAMPY, RAMPX, RAMPD. (expand_prologue): Only clear RAMPZ if it has effect on RAM-read. Backport from 2012-03-07 mainline r185031. PR target/52505 * config/avr/avr.c (avr_out_xload): Don't read unintentionally from RAM. * config/avr/avr.md (xload_8): Adjust insn length. Backport from 2012-03-07 mainline r185030. PR target/52461 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage if RAMPZ affects reading from RAM. Backport from 2012-03-05 mainline r184919. * config/avr/avr.md (*umaddqihi4.2): New insn-and-split. 2012-03-22 Georg-Johann Lay Backport from mainline r185259. PR other/52545 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE. 2012-03-22 Jakub Jelinek Backported from mainline 2012-03-13 Jakub Jelinek PR c/52577 * c-parser.c (c_parser_postfix_expression) : Call mark_exp_read on argument values. * config/i386/smmintrin.h: Avoid /* within a comment. * config/i386/nmmintrin.h: Likewise. 2012-03-22 Richard Guenther * BASE-VER: Set to 4.7.1. * DEV-PHASE: Set to prerelease. 2012-03-22 Release Manager * GCC 4.7.0 released. 2012-03-16 Rainer Orth * doc/install.texi (Specific, *-*-solaris2*): Improve wording. 2012-03-15 Jakub Jelinek Andrew Pinski PR middle-end/52592 * builtins.c (expand_builtin_int_roundingfn_2): If expanding BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}* calls instead of __builtin_ir{int,ound}*. 2012-03-14 Jakub Jelinek PR c++/52582 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true if c_node is NULL. 2012-03-13 Joseph Myers * doc/invoke.texi (-std=c99), doc/standards.texi (C language): Refer to GCC 4.7 version of c99status.html. 2012-03-12 Michael Meissner Backport from mainline 2012-03-09 Michael Meissner * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not redefine to be NULL if the current bit-size is different from the configured bit-size. * config/rs6000/rs6000.c (rs6000_option_override_internal): If the cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to set the default tuning. Add asserts to make sure the cpu and tune indexes are defined. Fix tests for cpu/tune index to use >= 0 to test whether the index is set, instead of > 0. (rs6000_file_start): Do not reset the default cpu if the current bit-size is different from the configured bit-size. 2012-03-12 Rainer Orth * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update binutils reference. (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference. Update binutils references. (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11. Update binutils reference. Update Sun as/GNU ld caveat. Document binutils largefile requirement for LTO plugin. Remove reference to alternate libpthread. 2012-03-12 Rainer Orth * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils reference. (Specific, mips-sgi-irix6): Likewise. 2012-03-08 Rainer Orth * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label. * configure: Regenerate. 2012-03-07 Richard Henderson * config/m68k/m68k.h (ISA_HAS_TAS): New. * config/m68k/sync.md (atomic_test_and_set): Use it. (atomic_test_and_set_1): Likewise. 2012-03-07 Ralf Corsépius PR target/51417 * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext). Don't double canonicalize if cross-compiling. 2012-03-06 Aldy Hernandez * trans-mem.c: New typedef for tm_region_p. Define vector types for tm_region_p. (tm_region_init): Replace region_worklist to a vector called bb_regions. 2012-03-06 Aldy Hernandez PR middle-end/52463 * trans-mem.c (tm_region_init): Use last_basic_block. 2012-03-05 Richard Henderson PR tree-opt/52242 Revert: 2011-11-26 Richard Henderson * omp-low.c (expand_omp_atomic): Assume anything aligned to BIGGEST_ALIGNMENT is aligned. 2012-03-05 Oleg Endo * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook. 2012-03-05 Richard Henderson 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 * 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 * 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 Backport from mainline 2012-03-02 Peter Bergner * config/rs6000/vsx.md (vsx_set_): Reorder operands. 2012-03-02 Richard Guenther * DEV-PHASE: Set to prerelease. 2012-03-01 Richard Earnshaw * 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 * config/epiphany/epiphany.md (movmisalign): New patterns. 2012-03-01 Jeremy Bennett Joern Rennecke * doc/extend.texi: Expand and update information on interrupt attribute for Epiphany. 2012-03-01 Oleg Endo * 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 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function. * config/sh/sh.c (tertiary_reload_operand): Likewise. 2012-03-01 Oleg Endo * config/sh/constraints.md: Fix comment typo. 2012-03-01 John David Anglin 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 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 * config/mn10300/mn10300-modes.def: Fix copyright notice. * config/v850/v850-modes.def: Fix copyright notice. 2012-03-01 Georg-Johann Lay * 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 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 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 * 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 * doc/invoke.texi: Document AMD bdver2 and remove mentioning 3DNow from bdver1. 2012-02-29 Jakub Jelinek Uros Bizjak PR target/52437 * config/i386/sse.md (vec_set_0): Swap "*r" and "fF" alternatives, add "e" constraint to the new last alternative and ! to last 3 alternatives. 2012-02-29 Eric Botcazou * 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 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 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 * config/avr/avr.c: Move definition of TARGET macros to end of file. 2012-02-29 Georg-Johann Lay * 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 * config/avr/avr.md: Untabify. 2012-02-29 Georg-Johann Lay * 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 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 * doc/invoke.texi (-msoft-atomic): Add more detailed description. (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd -mpretend-cmove): New. 2012-02-29 Jakub Jelinek 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 Partially revert: 2012-02-20 Richard Guenther 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 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 * gcc.c (display_help): Document --help=common and sort entries alphabetically. 2012-02-28 Bernhard Reutner-Fischer * doc/install.texi: Document check-$LANG specific shortcuts 2012-02-28 Matthew Gretton-Dann 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 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 PR target/49448 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for detecting big-endian triplets. 2012-02-28 Richard Earnshaw * 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 PR tree-optimization/53207 * doc/invoke.texi: Document as experimental and relying on graphite. 2012-02-28 Georg-Johann Lay * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part of initializer to changes from r184614. 2012-02-28 Richard Guenther 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 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 * 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 PR target/52148 * config/avr/avr.md (movmem_): Replace match_operand that match only one single hard register with respective hard reg rtx. (movmemx_): Ditto. * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new insn anatomy of movmem[x]_. (avr_out_movmem): Same for printing assembler and operand usage. 2012-02-28 Georg-Johann Lay 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 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 PR target/52352 * config/i386/i386.md (*movabs_1): Enable only for TARGET_LP64. (*movabs_2): Likewise. 2012-02-27 Jakub Jelinek PR target/52375 * config/arm/neon.md (vashr3, vlshr3): 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 * ifcvt.c (noce_get_condition): Check condition variable is not small_register_classes_for_mode_p before accepting. 2012-02-27 Uros Bizjak * config/i386/i386.md (*movabs_1): Fix operand 1 constraints. 2012-02-27 Matthew Gretton-Dann Revert: 2012-01-09 Matthew Gretton-Dann * 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 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro. 2012-02-26 Oleg Endo * 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 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern. (replace_mov_pcrel_step2): Ditto. 2012-02-25 Alexandre Oliva 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 * config/i386/i386.c (ix86_delegitimize_address): Handle UNSPEC_PCREL plus displacement. 2012-02-24 Georg-Johann Lay 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 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 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 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 * tree-if-conv (predicate_scalar_phi): Commentary typo fix. 2012-02-23 Bernhard Reutner-Fischer * 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 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file. * tree-ssa-sccvn.c (print_scc): Ditto. 2012-02-23 Bernhard Reutner-Fischer * doc/passes.texi (Full redundancy elimination): Fix typo. 2012-02-23 Bernhard Reutner-Fischer * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries. 2012-02-23 Eric Botcazou PR bootstrap/52287 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns. 2012-02-23 Uros Bizjak PR c/52290 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL. 2012-02-23 Georg-Johann Lay * config/avr/avr.md (code_stdname): Add ior, xor. (xior): New code iterator. (*qi.byte0): Use xior instead of ior. (*qi.byte1-3): Ditto. 2012-02-23 Jakub Jelinek PR tree-optimization/52019 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore CLOBBER stmts. 2012-02-23 Ulrich Weigand * 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 PR target/52330 * config/i386/i386.c (ix86_print_operand) : Error out if x is not offsettable memory reference. 2012-02-22 Georg-Johann Lay 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 * 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 * 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 PR middle-end/52329 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs for GIMPLE_DEBUG stmts. 2012-02-22 Martin Jambor 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 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 * 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 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0". 2012-02-21 Georg-Johann Lay * 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 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move prototype from here to... * config/avr/avr.h: ...here. 2012-02-21 Richard Earnshaw 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 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 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the default if possible and not specified otherwise. 2012-02-21 Richard Guenther 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 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 * config/s390/s390.md ("fixuns_truncsi2"): Replace TARGET_HARD_FLOAT with TARGET_HARD_DFP. 2012-02-21 Richard Guenther * tree-vect-stmts.c (vectorizable_load): Use pre-computed nested_in_vect_loop. 2012-02-21 Jakub Jelinek 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 * config/sparc/sparc.md (load_pcrel_sym): Explain why we don't use the "rd %pc" instruction on v9 for PIC register loads. 2012-02-20 Aldy Hernandez 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 PR target/52238 * stor-layout.c (place_field): Handle desired_align for ms-bitfields, too. 2012-02-20 Richard Guenther 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 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 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 * 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 * config/mips/mips.c (mips16_build_call_stub): Add CFI information to stubs with non-sibling calls. 2012-02-18 Sandra Loosemore * doc/invoke.texi (-fira-* options): Copy-edit. (ira-* parameters): Copy-edit. 2012-02-17 Sandra Loosemore * doc/invoke.texi: Minor copy-edits to bring into conformance with GCC coding conventions. 2012-02-17 Sandra Loosemore * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian" when used as adjectives. 2012-02-16 Sandra Loosemore * doc/invoke.texi: Clean up "that"/"which" confusion. 2012-02-17 Steven Bosscher * 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 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 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow interger-constant displacement for UNSPEC_PCREL. 2012-02-16 Jakub Jelinek 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 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for extended identifiers. 2012-02-16 Jakub Jelinek 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 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers. 2012-02-15 Michael Meissner 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 * extend.texi: Reserve upper bits of memory model for future use. 2012-01-15 Georg-Johann Lay Anatoly Sokolov Eric Weddington 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 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 * 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 * 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 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 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 * 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 * doc/install.texi (Prerequisites): Fix grammar. (Configuration): Likewise. 2012-02-14 Jonathan Wakely * 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 PR debug/51950 * dwarf2out.c (clone_tree_hash): New function. (copy_decls_walk): Use it instead of clone_tree. 2012-02-14 Richard Guenther 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 * 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 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 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 PR c/52181 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to newdecl. 2012-02-13 Jakub Jelinek 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 PR middle-end/52214 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch. 2012-02-13 Eric Botcazou * 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 * 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 PR c/52190 * doc/extend.texi : Fix another __atomic_compare_exchange typo. 2012-02-13 Richard Guenther PR translation/52211 * passes.c (enable_disable_pass): Fix typo. 2012-02-13 Jakub Jelinek PR middle-end/52209 * expr.c (expand_expr_real_2) : Only expand using XOR for reduce_bit_field if type is unsigned. 2012-02-12 Eric Botcazou * 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 Gerald Pfeifer * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define. Tweak comment. 2012-02-11 Richard Sandiford 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 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 PR debug/52132 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg. 2012-02-11 Uros Bizjak * compare-elim.c (find_comparisons_in_bb): Eliminate only compares having the same mode as previous compare. 2012-02-10 Eric Botcazou * 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 PR c/52190 * doc/extend.texi : Update comments for __atomic_compare_exchange and __atomic_{is,always}_lock_free. 2012-02-10 Uros Bizjak PR target/52146 * config/i386/i386.c (ix86_legitimate_address_p): Disallow negative constant address for x32. 2012-02-10 Richard Henderson * 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 Ira Rosen 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 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 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 * config/arm/arm.c (output_move_double): In one case properly count number of instructions that will be emitted. 2012-02-10 Richard Guenther PR translation/52193 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo. 2012-02-09 Peter Bergner PR middle-end/52140 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P. 2012-02-09 Jakub Jelinek 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 PR middle-end/51867 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P. 2012-02-08 Magnus Granberg PR driver/48524 * gcc.c (switch_matches) Support switches with separated form, -D and -U. 2012-02-08 Georg-Johann Lay * 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 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 * 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 PR rtl-optimization/52170 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to properly handle integer vector modes. 2012-02-08 Jakub Jelinek 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 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 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error message for -mno-pointers-to-nested-function. 2012-02-07 Eric Botcazou 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 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 * 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 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive newline in -alias dumps. 2012-02-07 Kai Tietz Dave Korn 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 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 * 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) : min_len is 0, max_len is 9. : 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 PR target/52107 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode subregs of TFmode. 2012-02-06 Bill Schmidt 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 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 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 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 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 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 * 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 * 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 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 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 Zdenek Dvorak 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 PR middle-end/47982 PR middle-end/43967 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo. 2012-02-02 Jakub Jelinek PR middle-end/48071 * diagnostic.c (diagnostic_finish): Remove trailing newlines. 2012-02-02 Vladimir Makarov PR rtl-optimization/49800 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs. (sched_finish): Call regstat_free_n_sets_and_refs. 2012-02-02 Jia Liu * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather than operand 2. 2012-02-02 Jan Hubicka Tom de Vries PR middle-end/51998 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases. * varpool.c (varpool_analyze_pending_decls): Likewise. 2012-02-02 Sumanth G Jayant R Sonar * config.gcc: Add cr16-* support. * doc/extend.texi: Document cr16 extensions. * doc/install.texi: Document cr16 install. * doc/invoke.texi: Document cr16 options. * doc/md.texi: Document cr16 constraints. * common/config/cr16/cr16-common.c: New file. * config/cr16/cr16.c: New file. * config/cr16/cr16.h: New file. * config/cr16/cr16.md: New file. * config/cr16/cr16.opt: New file. * config/cr16/cr16-protos.h: New file. * config/cr16/predicates.md: New file. * config/cr16/constraints.md: New file. * config/cr16/t-cr16: New file. 2012-02-02 Jakub Jelinek PR target/52086 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check that operands[2] is either immediate, or q_regs_operand. PR tree-optimization/52073 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of a pattern stmt for pattern uses, ignore uses outside of the loop. 2012-02-01 Georg-Johann Lay * config/avr/avr.c: Resolve all AS1 and AS2 macros. * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove. (OUT_AS1, OUT_AS2): Remove. 2012-02-01 Georg-Johann Lay PR rtl-optimization/51374 * combine.c (can_combine_p): Don't allow volatile_refs_p insns to cross other volatile_refs_p insns. 2012-02-01 Richard Guenther * doc/invoke.texi (fno-inline): Clarify documentation. (finline-small-functions): Likewise. (finline-functions): Likewise. * common.opt (finline): Adjust comment and documentation. (finline-small-functions): Clarify documentation. (finline-functions): Likewise. (finline-functions-called-once): Likewise. 2012-02-01 Tristan Gingold * c-typeck.c (composite_type): Keep mode for pointers. 2012-01-31 Richard Sandiford * function.h (regno_reg_rtx): Adjust comment. * reginfo.c (init_reg_modes_target): Only use the previous mode if it fits within one register. Remove MIPS comment. 2012-01-31 Jakub Jelinek PR bootstrap/52058 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0. 2012-01-31 Andreas Krebbel * config/s390/s390.md ("*ashr3_and"): Add missing z196 flag to srak instruction. 2012-01-31 Matthew Gretton-Dann * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition. 2012-01-31 Jakub Jelinek PR bootstrap/52041 PR bootstrap/52039 PR target/51974 * ipa-prop.c (detect_type_change_1): Call ao_ref_init. 2012-01-31 Richard Guenther PR tree-optimization/51528 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate assigns. 2012-01-31 Jakub Jelinek PR bootstrap/52041 PR bootstrap/52039 PR target/51974 * ree.c (add_removable_extension): Change def_map argument to unsigned *, store in def_map 1 + offset into *insn_list vector instead of pointers into the vector. (find_removable_extensions): Adjust caller. 2012-01-30 Georg-Johann Lay * config/avr/avr.md: Resolve all AS1 and AS2 macros. Transform all "* quoted-c-code" to { c-code }. Remove redundant test for "optimize" in combine patterns. Move (include "avr-dimode.md") to end of file. 2012-01-30 Bin Cheng PR target/51835 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI for __aeabi_d2iz/__aeabi_d2uiz with hard-float. 2012-01-30 Richard Guenther PR tree-optimization/52028 * tree-loop-distribution.c (ldist_gen): Properly update virtual SSA form. 2012-01-30 Jakub Jelinek PR debug/52027 * dwarf2out.c (dwarf2out_switch_text_section): Don't call set_cur_line_info_table if not emitting debug info. PR tree-optimization/52046 * tree-vect-patterns.c (check_bool_pattern): Give up if a comparison could throw. PR debug/52048 * tree-ssa-tail-merge.c (local_def): Ignore debug uses. 2012-01-30 Richard Guenther PR tree-optimization/52045 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update SSA form if cfgcleanup did anything. 2012-01-30 Richard Guenther PR tree-optimization/52045 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg before computing final todo. 2012-01-30 Richard Guenther PR tree-optimization/51528 * tree-sra.c (sra_modify_assign): Re-factor in preparation for PR51528 fix. 2012-01-30 Paolo Bonzini * df-problems.c (df_kill_notes): Check that the use refers to the note under examination. 2012-01-30 Eric Botcazou PR target/51920 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE parameter and use short-lived pseudos. (vector_init_faligndata): Remove INNER_MODE parameter and use loop. (sparc_expand_vector_init): Const-ify local variables and adjust calls to above functions. 2012-01-30 Georg-Johann Lay * config/avr/avr.c (out_movqi_mr_r): Fix length computation. 2012-01-29 Sandra Loosemore * doc/invoke.texi: Make usage of "compile time" and "run time"/"runtime" consistent throughout the file. 2012-01-29 Uros Bizjak * config/alpha/alpha.c (alpha_option_override): Default to full IEEE compliance mode for Go language. 2011-01-29 Tijl Coosemans * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP] (LINK_SSP_SPEC): Define. 2012-01-28 John David Anglin PR target/51871 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export stubs. 2012-01-28 Sandra Loosemore * doc/invoke.texi: Correct hyphenation of "floating point", "double precision", and related terminology throughout the file. 2012-01-28 Jakub Jelinek PR target/52006 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use arm_general_register_operand predicate for operand 2 instead of register_operand. 2012-01-27 Ian Lance Taylor PR go/47656 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define. * builtins.c (expand_builtin_init_trampoline): Add onstack parameter. Change caller. (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE. * tree.c (build_common_builtin_nodes): Declare __builtin_init_heap_trampoline. 2012-01-27 Georg-Johann Lay * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx, tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global. * config/avr/avr.c: Ditto. (avr_regnames): Remove because unused. * config/avr/avr.md (*cpse.ne): New peephole. (*cpse.eq): New peephole from former cpse peepholes. 2012-01-27 Michael Eager * config/microblaze.c (microblaze_emit_compare): Correct test after pcmp instruction. 2012-01-27 Richard Guenther PR tree-optimization/52020 * tree-sra.c (sra_modify_assign): Do not transform clobbers. 2012-01-27 Richard Guenther * ipa-pure-const.c (check_stmt): Clobbers do not make a function non-const/pure. 2012-01-27 Richard Guenther PR tree-optimization/50444 * tree-sra.c (build_ref_for_offset): Properly adjust the MEM_REF type for unaligned accesses. 2012-01-27 Richard Guenther PR tree-optimization/50444 * expr.c (mem_ref_refers_to_non_mem_p): New function. (expand_assignment): Use it. Properly handle misaligned bases when expanding stores to component references. (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and refactor that case. 2012-01-27 Andrey Belevantsev PR middle-end/51389 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H). * tree-data-ref.h (find_data_references_in_loop): Remove declaration. * tree-data-ref.c (find_data_references_in_loop): Make static. (compute_all_dependences): Change return type to bool. Bail out for too many datarefs in a loop. Move the hunk resetting the data dependences vector from ... (compute_data_dependences_for_loop): ... here. Account for compute_all_dependences returning false. (compute_data_dependences_for_bb): Likewise. * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param. * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it. 2012-01-27 Richard Guenther PR middle-end/51959 * expr.c (store_field): Use the alias-set of the scratch memory for storing to it. 2012-01-27 Tom de Vries PR tree-optimization/51990 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same. 2012-01-27 Jakub Jelinek PR debug/52001 * var-tracking.c (reverse_op): Don't add any reverse operation if V already has any constant locations. 2012-01-27 Sandra Loosemore * doc/invoke.texi: Correct usage of "command line" (noun) vs "command-line" (adjective) throughout. 2012-01-27 Sandra Loosemore * doc/invoke.texi (Language Independent Options): Move -Wcoverage-mismatch blurb from here.... (Warning Options): ...to here. 2012-01-27 Peter Bergner * config/rs6000/rs6000.c (rs6000_option_override_internal): Set rs6000_always_hint to false for 476. 2012-01-27 Matthias Klose * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from system root. * incpath.c (add_standard_paths): Likewise. 2012-01-27 Richard Henderson * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New. * config/m68k/sync.md (atomic_test_and_set): Rename from sync_test_and_setqi and adjust the operands. (atomic_test_and_set_1): Rename from sync_test_and_setqi_1 and unconditionally enable. 2012-01-27 Richard Henderson * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New. * config/sparc/sync.md (atomic_test_and_set): Only handle QImode. (ldstub): Rename from ldstubqi. (ldstub): Remove. 2012-01-27 Richard Henderson * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New. * c-cppbuiltin.c (cpp_atomic_builtins): Define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL. * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook. * doc/tm.texi: Rebuild. 2012-01-27 Richard Henderson * optabs.c (gen_atomic_test_and_set): Remove default. (maybe_emit_atomic_test_and_set): Use maybe_expand_insn. 2012-01-26 Jakub Jelinek PR rtl-optimization/51978 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx. (combine_reaching_defs): Likewise. (struct re_info): Remove. (add_removable_extension): Remove x and data arguments, add insn, insn_list and def_map. Use the arguments directly instead of using struct re_info. (find_removable_extensions): Don't call add_removable_extension through note_stores, instead just call it with single_set result if non-NULL. (find_and_remove_re): Pass curr_cand->expr instead of PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs. 2012-01-26 Michael Matz PR tree-optimization/46590 * cfgexpand.c: Revert last change (r183305). * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple regs. * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before checking for emptiness. 2012-01-26 Jakub Jelinek PR middle-end/51895 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of non-addressable non-BLKmode base correctly. 2012-01-26 Michael Matz PR tree-optimization/48794 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove regions referenced from RESX/EH_DISPATCH. 2012-01-26 Andreas Krebbel * config/s390/s390.h: Make BRANCH_COST an option. * config/s390/s390.opt: New option -mbranch-cost. 2012-01-26 Richard Henderson Revert 2012-01-24 change: * trans-mem.c (requires_barrier): Do not instrument thread local variables and emit save/restore for them. 2012-01-25 Jakub Jelinek PR middle-end/51986 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test for pat == 0. 2012-01-25 Richard Sandiford * config/mips/mips.c (mips_small_data_pattern_1): Don't process ASM_OPERANDS. 2012-01-25 Georg-Johann Lay PR target/49868 Rename __pgm to __flash. Rename __pgm1 to __flash1. Rename __pgm2 to __flash2. Rename __pgm3 to __flash3. Rename __pgm4 to __flash4. Rename __pgm5 to __flash5. Rename __pgmx to __memx. * doc/extend.texi (AVR Named Address Spaces) Rename address space names as indicated above. * config/avr/avr.c (avr_addrspace): Ditto. * config/avr/avr-protos.h (avr_mem_pgmx_p): Rename to avr_mem_memx_p. (avr_mem_pgm_p): Rename to avr_mem_flash_p. * config/avr/predicates.md: Ditto. * config/avr/avr.c Ditto, and (avr_decl_pgmx_p): Rename to avr_decl_memx_p. (avr_decl_pgm_p): Rename to avr_decl_flash_p. * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH. (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1. (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2. (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3. (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4. (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5. (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX. * config/avr/avr.c: Ditto. * config/avr/avr.md: Ditto. 2012-01-25 Jason Merrill PR c++/51992 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype. 2012-01-25 Jakub Jelinek PR tree-optimization/51987 * tree-data-ref.c (get_references_in_stmt): Handle references in non-volatile GIMPLE_ASM. 2012-01-25 Richard Guenther * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both bases are dereferenced. 2012-01-25 Andrey Belevantsev PR rtl-optimization/48374 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors. 2012-01-25 Andrey Belevantsev * tree-predcom.c (tree_predictive_commoning_loop): Bail out when compute_data_dependences_for_loop returns false. * tree-parloops.c (loop_parallel_p): Likewise. 2012-01-25 Richard Guenther * tree.h (get_pointer_alignment_1): Declare. * builtins.c (get_pointer_alignment_1): New function. (get_pointer_alignment): Use it. 2012-01-25 Ramana Radhakrishnan PR rtl-optimization/48308 * combine.c (enum undo_kind): Add UNDO_LINKS. (struct undo): Add member l to other_contents and where. (do_SUBST_LINK): New. (SUBST_LINK): New. (try_combine): Handle LOG_LINKS for the dummy i1 case. (undo_all): Handle UNDO_LINKS. 2012-01-25 Richard Henderson * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode mem inputs. 2012-01-24 Richard Sandiford * optabs.c (gen_atomic_test_and_set): Use each argument. 2012-01-24 Richard Sandiford * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf) (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_) (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t) (bc1any2f, mips_rsqrt1_, mips_rsqrt2_, mips_recip1_) (mips_recip2_): Require TARGET_MIPS3D rather than TARGET_PAIRED_SINGLE_FLOAT. 2012-01-24 Richard Sandiford * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete. (in_struct, return_val): Remove MEM documentation. * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val. (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete. (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P and MEM_SCALAR. * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. * cfgexpand.c (add_alias_set_conflicts): Likewise. * expr.c (store_field): Likewise. * function.c (assign_stack_temp_for_type): Likewise. * ifcvt.c (noce_try_cmove_arith): Likewise. * reload1.c (reload): Likewise. * config/alpha/alpha.c (alpha_set_memflags_1): Likewise. (alpha_set_memflags): Likewise. * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify. 2012-01-24 Richard Sandiford * rtl.h (true_dependence, canon_true_dependence): Remove varies parameter. * alias.c (fixed_scalar_and_varying_struct_p): Delete. (true_dependence_1, write_dependence_p, may_alias_p): Don't call it. (true_dependence_1, true_dependence, canon_true_dependence): Remove varies parameter. * cselib.c (cselib_rtx_varies_p): Delete. (cselib_invalidate_mem): Update call to canon_true_dependence. * dse.c (record_store, check_mem_read_rtx): Likewise. (scan_reads_nospill): Likewise. * cse.c (check_dependence): Likewise. (cse_rtx_varies_p): Delete. * expr.c (safe_from_p): Update call to true_dependence. * ira.c (validate_equiv_mem_from_store): Likewise. (memref_referenced_p): Likewise. * postreload-gcse.c (find_mem_conflicts): Likewise. * sched-deps.c (sched_analyze_2): Likewise. * store-motion.c (load_kills_store): Likewise. * config/frv/frv.c (frv_registers_conflict_p_1): Likewise. * gcse.c (mems_conflict_for_gcse_p): Likewise. (compute_transp): Update call to canon_true_dependence. 2012-01-25 Richard Henderson * optabs.c (CODE_FOR_atomic_test_and_set): Provide default. (maybe_emit_atomic_test_and_set): New. (expand_sync_lock_test_and_set): Use it. (expand_atomic_test_and_set): Likewise. * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match the implementation; clarify implementation defined details. * doc/md.texi (atomic_test_and_set): Document. 2012-01-25 Richard Henderson * config/sparc/predicates.md (zero_or_v7_operand): Use match_code. 2012-01-25 Richard Henderson PR target/51968 * config/arm/arm.c (neon_split_vcombine): Emit deleted note to effect no-op split. 2012-01-24 Aldy Hernandez PR lto/51698 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New. (BT_FN_VOID_PTR_CONST_PTR_SIZE): New. (BT_FN_VOID_PTR_INT_SIZE): New. (BT_FN_UINT_UINT_VAR): Remove. (BT_FN_UINT32_UINT32_VAR): New. (BT_FN_DOUBLE_VPTR): Remove. (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New. * gtm-builtins.def (_ITM_abortTransaction): Set return type to void. (_ITM_changeTransactionMode): Same. (_ITM_memmoveRtWt): Change return type to void. (_ITM_memcpyRtWt): Same. (_ITM_memsetW): Same. (_ITM_RaRD): Change types to double. (_ITM_RD): Same. (_ITM_RaWD): Same. (_ITM_RfWD): Same. * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true. 2012-01-24 Aldy Hernandez Patrick Marlier * trans-mem.c (requires_barrier): Do not instrument thread local variables and emit save/restore for them. 2012-01-24 Jason Merrill PR c++/51812 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always output static aliases. 2012-01-24 Jakub Jelinek PR driver/47249 * common.opt (-pie, -shared, pie, shared): Change from Common to Driver. * gcc.c (display_help): Display help for -pie and -shared. 2012-01-24 Georg-Johann Lay PR target/49868 * doc/extend.texi (AVR Named Address Spaces): Move sample code up. Remove note on size/offset limitation. (AVR Variable Attributes): Add example how to read data located with progmem. Refer to named address spaces. * doc/invoke.texi (AVR Options): Fix typo. 2012-01-24 Richard Guenther Forward-port to trunk 2010-09-21 Jakub Jelinek PR middle-end/45678 * expr.c (expand_expr_real_1) : If op0 isn't sufficiently aligned and there is movmisalignM insn for mode, use it to load op0 into a temporary register. 2012-01-24 Jakub Jelinek PR target/51957 * target.def (const_not_ok_for_debug_p): New hook. * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook documentation. * doc/tm.texi: Regenerated. * dwarf2out.c (const_ok_for_output_1): If targetm.const_not_ok_for_debug_p returns true, fail. * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New function. (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine. 2012-01-23 Kai Tietz PR target/51900 * config/i386/predicates.md (symbolic_operand): Allow UNSPEC_PCREL as PIC expression for lea. * config/i386/winnt.c (i386_pe_binds_local_p): Reworked. * config/i386/i386.c (ix86_delegitimize_address): Handle UNSPEC_PCREL for none-MEM, too. 2012-01-23 Aldy Hernandez * trans-mem.c (ipa_tm_create_version): Set externally_visible. (ipa_tm_create_version_alias): Same. 2012-01-23 Uros Bizjak PR libitm/51830 * builtin-types.def (BT_FN_UINT_UINT_VAR): New. * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR. 2012-01-23 Aldy Hernandez Patrick Marlier Iain Sandoe PR lto/51916 * lto-wrapper.c (run_gcc): Pass the LTO section name to simple_object_start_read. 2012-01-23 Richard Guenther PR tree-optimization/51895 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal parameter decomposition into BLKmode components. 2012-01-23 Eric Botcazou * tree-ssa-structalias.c (intra_create_variable_infos): Do not create fake variables for restrict-qualified pointers whose pointed-to type contains a placeholder. 2012-01-23 Richard Guenther PR tree-optimization/51949 * ipa-split.c (execute_split_functions): Do not split malloc functions. 2012-01-23 Jakub Jelinek PR rtl-optimization/51933 * ree.c (transform_ifelse): Return true right away if dstreg is already wider or equal to cand->mode. (enum ext_modified_kind, struct ext_modified, ext_state): New types. (make_defs_and_copies_lists): Remove defs_list and copies_list arguments, add state argument, just truncate state->work_list instead of always allocating and freeing the vector. Assert that get_defs succeeds instead of returning 2. Changed return type to bool. (merge_def_and_ext): Add state argument. If SET_DEST doesn't have ext_src_mode, see if it has been modified already with the right kind of extension and has been extended before from the ext_src_mode. If SET_DEST is already wider or equal to cand->mode, just return true. Remember the original mode in state->modified array. (combine_reaching_defs): Add state argument. Don't allocate and free here def_list, copied_list and vec vectors, instead just VEC_truncate the vectors in *state. Don't handle outcome == 2 here. (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag. Add state variable, clear vectors in it, initialize state.modified if needed. Free all the vectors at the end and state.modified too. Don't skip a candidate if the extension expression has been modified. 2012-01-22 Douglas B Rupp PR target/47096 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete configurations. Change triplet to i[34567]86-*-interix[3-9]*. (extra_options) interix.opt -> i386/interix.opt" (extra_objs):Add winnt-stubs.o * configure.ac: Add interix to target_os .comm on PE check. * configure: Regenerate. * config/interix3.h: Delete and move bits to.. * config/interix.h: Delete and move bits to.. * config/i386/i386-interix3.h: Delete and move bits to.. * config/i386/i386-interix.h: ..here. (TARGET_CPU_DEFAULT): Remove redefinition. (TARGET_ASM_CONSTRUCTOR): Undefine. (SUBTARGET_SWITCHES): Define for ms-bitfields. (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec. (PTRDIFF_TYPE): Define. (LONG_DOUBLE_TYPE_SIZE): Define. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define. (SUBTARGET_OVERRIDE_OPTIONS): Remove. (TARGET_SECTION_TYPE_FLAGS): Define. (ASM_DECLARE_FUNCTION_NAME): Define. (ASM_OUTPUT_EXTERNAL): Define. (ASM_OUTPUT_EXTERNAL_LIBCALL): Define. (ASM_OUTPUT_ALIGNED_BSS): Define. (PCC_BITFIELD_TYPE_MATTERS): Define. (USE_CONST_SECTION): Define. (SUBTARGET_ENCODE_SECTION_INFO): Remove. (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove. (SUPPORTS_ONE_ONLY): Remove. (I386_PE_STRIP_ENCODING): Define. * config/interix.opt: Delete and move bits to.. * config/i386/interix.opt: ..here. New. (mpe-aligned-commons): Add. * config/i386/t-interix: Add copyright header. (winnt-stubs.o): Add rule. 2012-01-22 Jason Merrill PR c++/51832 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL for extra name aliases. 2012-01-22 Eric Botcazou PR rtl-optimization/51924 * ree.c (combine_set_extension): Improve debugging message. (combine_reaching_defs): Likewise. (get_defs): Rename confusingly named variable. (find_and_remove_re): Skip a candidate if the extension expression has been modified. 2012-01-21 Robert Millan Gerald Pfeifer * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro. (GNU_USER_DYNAMIC_LINKER): Adjust indentation. 2012-01-20 Jakub Jelinek PR tree-optimization/51914 * tree-vect-stmts.c (vectorizable_conversion): For cvt_type && modifier == WIDEN, put temporary with cvt_type at the beginning of vec_dsts and set vec_dest to temporary with vectype_out. 2012-01-20 Eric Botcazou * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK. 2011-01-20 Tijl Coosemans * config/i386/i386.c: Fix checks for !TARGET_MACHO. * config/rs6000/rs6000.c: Likewise. 2012-01-20 Jakub Jelinek PR target/51915 * config/arm/arm.c (arm_count_output_move_double_insns): Call output_move_double on a copy of operands array. 2012-01-20 Cary Coutant Dodji Seketeli PR debug/45682 * dwarf2out.c (copy_declaration_context): Return ref to parent of declaration DIE, if necessary. (remove_child_or_replace_with_skeleton): Add new parameter; update caller. Place skeleton DIE under parent DIE of original declaration. Move call to copy_declaration_context to here ... (break_out_comdat_types): ... from here. 2012-01-20 Andreas Krebbel PR rtl-optimization/51856 * reload.c (find_reloads_subreg_address): Set the address_reloaded flag to reloaded. 2012-01-20 Ramana Radhakrishnan PR target/51819 * config/arm/arm.c (arm_print_operand): Correct output of alignment hints for neon loads and stores. 2012-01-20 Georg-Johann Lay PR target/49868 PR target/50887 * doc/extend.texi (Named Address Spaces): Split into subsections. (AVR Named Address Spaces): New subsection. (M32C Named Address Spaces): New subsection. (RL78 Named Address Spaces): New subsection. (SPU Named Address Spaces): New subsection. (Variable Attributes): New anchor "AVR Variable Attributes". (AVR Variable Attributes): Rewrite and avoid wording "address space" in this context. * doc/invoke.texi (AVR Options): Rewrite and add documentation for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls. (AVR Built-in Macros): New subsubsection therein. * doc/md.texi (AVR constraints): Remove "C04", "R". 2012-01-20 Richard Guenther PR tree-optimization/51903 * tree-ssa-pre.c (eliminate): Properly purging of EH edges when removing stmts. 2012-01-20 Ramana Radhakrishnan PR target/50313 * config/arm/arm.c (arm_load_pic_register): Use gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four. (arm_pic_static_addr): Likewise. (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED. (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED. * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define. (pic_load_addr_unified): New. 2012-01-20 Andrey Belevantsev PR target/51106 * function.c (instantiate_virtual_regs_in_insn): Use delete_insn_and_edges when removing a wrong asm insn. 2012-01-19 Vladimir Makarov PR rtl-optimization/40761 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop. Add new member loop_num. (IRA_LOOP_NODE_BY_INDEX): Modify the check. (ira_build): Remove the parameter. * ira.c (ira_print_disposition): Use loop_num instead of loop->num. (ira.c): Do not build CFG loops for one region allocation. Remove argument from ira_build call. * ira-build.c (init_loop_tree_node): New function. (create_loop_tree_nodes): Use it. Separate the case when CFG loops are not built. (more_one_region_p): Check current_loops. (finish_loop_tree_nodes): Separate the case when CFG loops are not built. (add_loop_to_tree): Process loop equal to NULL too. (form_loop_tree): Separate the case when CFG loops are not built. Use explicitly number for the root. (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add an assertion. (ira_print_expanded_allocno, loop_compare_func): Use loop_num instead of loop->num. (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num. (mark_all_loops_for_removal): Ditto. (remove_unnecessary_regions): Separate the case when CFG loops are not built. (ira_build): Remove the parameter. Use explicit number of regions when CFG loops are not built. * ira-color.c (print_loop_title): Separate the case for the root node. Use loop_num instead of loop->num. (move_spill_restore): Use loop_num instead of loop->num. * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion. (change_loop): Ditto. (change_loop): Use loop_num instead of loop->num. * ira-lives.c (process_bb_node_lives): Ditto. * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto. * ira-conflicts.c (print_allocno_conflicts): Ditto. 2012-01-19 Jakub Jelinek PR libmudflap/40778 * tree-mudflap.c (mf_artificial): New function. (execute_mudflap_function_ops, execute_mudflap_function_decls, mx_register_decls, mudflap_enqueue_decl): Use it. PR target/51876 * config/arm/neon.md (*neon_vswp): Fix up operand numbers in the insn pattern. 2012-01-19 Michael Matz PR tree-optimization/46590 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument, use it in remembering which conflicts we already created. (add_scope_conflicts): Adjust call to above, (de)allocate helper bitmap. 2012-01-19 Aldy Hernandez PR lto/51280 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on. (merge_and_complain): Same. 2012-01-19 Jakub Jelinek PR bootstrap/50237 * config/initfini-array.h: Guard content of the header with #ifdef HAVE_INITFINI_ARRAY. * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file. Add initfini-array.h to tm_file here. * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test. * config.gcc: Don't add initfini-array.h to tm_file here. * configure: Regenerated. 2012-01-19 Andrey Belevantsev PR rtl-optimization/51505 * df-problems.c (df_kill_notes): New parameter live. Update comment. Remove REG_EQUAL/REG_EQUIV notes referring to dead registers. (df_note_bb_compute): Update the call to df_kill_notes. 2012-01-18 Aldy Hernandez * trans-mem.c (requires_barrier): Remove call to is_global_var. 2012-01-18 Richard Guenther * tree-ssa.c (useless_type_conversion_p): Remove special-casing of conversions to void *. 2012-01-17 Andreas Krebbel Richard Sandiford PR middle-end/50325 PR middle-end/51192 * optabs.h (simplify_expand_binop): Declare. * optabs.c (simplify_expand_binop): Make global. * expmed.c (store_bit_field_1): Use simplify_expand_binop on big endian targets if the source cannot be exactly covered by word mode chunks. 2012-01-17 Jakub Jelinek PR bootstrap/51872 * hard-reg-set.h (struct hard_reg_set_container): New type. * target.h (struct hard_reg_set_container): Forward declare. * target.def (set_up_by_prologue): New target hook. * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it. * doc/tm.texi: Regenerated. * function.c (thread_prologue_and_epilogue_insns): Change set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container. Call targetm.set_up_by_prologue on it. * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function. (TARGET_SET_UP_BY_PROLOGUE): Redefine to it. 2012-01-17 Nick Clifton * config/rx/rx.c (rx_can_use_simple_return): New function. * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype. * config/rx/rx.md (return): Predicate on rx_can_use_simple_return. 2012-01-17 Richard Guenther PR middle-end/51782 * expr.c (expand_assignment): Take address-space information from the address operand of MEM_REF and TARGET_MEM_REF. (expand_expr_real_1): Likewise. 2012-01-17 Andreas Krebbel * ira.c (do_reload): Make sure ira_dump_file is re-set if no reload dump is requested. 2012-01-17 Aldy Hernandez PR other/51165 * trans-mem.c (requires_barrier): Call may_be_aliased. 2012-01-17 Jakub Jelinek PR tree-optimization/51877 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever call arguments and fndecls compare equal, instead return false if they don't. Return true only if lhs1 and lhs2 are either both NULL, or both SSA_NAMEs that are valueized the same, or they satisfy operand_equal_p. 2012-01-17 Rainer Orth * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on Solaris 11+. * configure: Regenerate. 2012-01-16 Jan Hubicka PR c/12245 PR c++/14179 * convert.c (convert_to_integer): Use fold_convert for converting an INTEGER_CST to integer type. 2012-01-16 Jason Merrill PR c++/14179 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size. 2012-01-16 Jakub Jelinek PR bootstrap/51860 * config/s390/s390.c (s390_chunkify_start): Don't skip call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes. If insn is followed by NOTE_INSN_VAR_LOCATION or NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes. Don't use location of note insns. PR tree-optimization/51865 * tree-inline.c (tree_function_versioning): Call remap_decl on DECL_RESULT whenever it has VOID_TYPE_P type. 2012-01-15 Richard Sandiford * config/mips/mips.c (mips16_build_call_stub): Don't use a stub for calls to locally-binding MIPS16 functions if only the return type uses float regs. 2012-01-15 Chung-Lin Tang Richard Sandiford * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete. (SYMBOL_32_HIGH): Likewise. (mips_output_tls_reloc_directive): Declare. * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md. (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare. * config/mips/mips.c (mips_use_pcrel_pool_p): New variable. (mips_lo_relocs, mips_hi_relocs): Make extern. (mips16_stub_function): Move up file. (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling. (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too. (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p. (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false. (mips_get_tp): Add MIPS16 support. (mips_legitimize_tls_address): Remove MIPS16 sorry(). Generalize DTPREL and TPREL handling. (mips_init_relocs): Initialize mips_use_pcrel_pool_p. Add MIPS16 TLS support. (mips_output_tls_reloc_directive): New function. (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs. * config/mips/predicates.md (symbolic_operand_with_high) (tls_reloc_operand): New predicates. (force_to_mem_operand): Use mips_use_pcrel_pool_p. * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec. (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h. (*unshifted_high): New instruction. Use it for MIPS16 high splitter. (consttable_tls_reloc, tls_get_tp_mips16_): New patterns. (*tls_get_tp_mips16_call_): Likewise. 2012-01-15 Uros Bizjak PR rtl-optimization/51821 * recog.c (peep2_find_free_register): Determine clobbered registers from insn pattern. 2012-01-14 Denis Chertykov PR target/50925 * config/avr/avr-protos.h: Revert change of 2012-01-09. * config/avr/avr.c: Likewise. * config/avr/avr.h: Likewise. 2012-01-13 Ian Lance Taylor PR c++/50012 * tree.h (TYPE_QUALS): Add cast to int. (TYPE_QUALS_NO_ADDR_SPACE): Likewise. 2012-01-13 Ian Lance Taylor * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when comparing param_index to VEC_length result. 2012-01-13 Steven Bosscher * c-decl.c: Do not include tree-mudflap.h * tree-optimize.c: Likewise. * Makefile.in: Update dependencies. 2012-01-13 Richard Guenther PR middle-end/8081 * gimplify.c (gimplify_modify_expr_rhs): For calls with a variable-sized result always use RSO. 2012-01-12 DJ Delorie * cfgexpand.c (convert_debug_memory_address): Allow any valid pointer type, not just the default pointer type. 2012-01-09 Richard Henderson Denis Chertykov PR target/50925 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare. * config/avr/avr.c (avr_can_eliminate): Simplify. (avr_initial_elimination_offset): Likewise. (avr_prologue_setup_frame): Use hard_frame_pointer_rtx. (expand_epilogue): Likewise. (avr_legitimize_address): Gut. (avr_legitimize_reload_address): Use hard_frame_pointer_rtx. (avr_hard_regno_nregs): New. (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers. (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers. * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer, add soft frame pointer. (CALL_USED_REGISTERS): Likewise. (REG_CLASS_CONTENTS): Likewise. (REGISTER_NAMES): Likewise. (HARD_REGNO_NREGS): Use avr_hard_regno_nregs. (HARD_FRAME_POINTER_REGNUM): New. (FRAME_POINTER_REGNUM): Use soft frame pointer. (ELIMINABLE_REGS): Eliminate from the soft frame pointer, remove the HARD_FRAME_POINTER self-elimination. 2012-01-12 Georg-Johann Lay PR target/51756 * config/avr/avr.c (avr_encode_section_info): Test for absence of DECL_EXTERNAL when checking for initializers of progmem variables. 2012-01-12 Ira Rosen PR tree-optimization/51799 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that the last operation is a type demotion. 2012-01-12 Uros Bizjak * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template. (x86_shift_adj_1): Remove operand constraint from operand 3. 2012-01-11 Jakub Jelinek PR bootstrap/51796 * combine.c (distribute_notes): If i3 is a noreturn call, allow old_size to be equal to args_size and make sure the noreturn call gets REG_ARGS_SIZE note. * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes on noreturn calls even when the delta is 0. 2012-01-11 Nathan Sidwell * gcov.c (STRING_SIZE): Remove. (generate_results): Erase annotations for source files with no coverage information. (read_line): New. (output_lines): Use it. 2012-01-11 Eric Botcazou * gimple.h (gimplify_body): Remove first argument. * gimplify.c (copy_if_shared): Add DATA argument. Do not create the pointer set here, instead just pass DATA to walk_tree. (unshare_body): Remove BODY_P argument and adjust. Create the pointer set here and invoke copy_if_shared on the size trees of DECL_RESULT. (unvisit_body): Likewise, but with unmark_visited. (gimplify_body): Remove BODY_P argument and adjust. (gimplify_function_tree): Adjust call to gimplify_body. * omp-low.c (finalize_task_copyfn): Likewise. 2012-01-11 Eric Botcazou * tree.h (build_function_decl_skip_args): Add boolean parameter. (build_function_type_skip_args): Delete. * tree.c (build_function_type_skip_args): Make static and add SKIP_RETURN parameter. Fix thinko in the handling of variants. (build_function_decl_skip_args): Add SKIP_RETURN parameter and pass it to build_function_type_skip_args. * cgraph.h (cgraph_function_versioning): Add boolean parameter. (tree_function_versioning): Likewise. * cgraph.c (cgraph_create_virtual_clone): Adjust call to build_function_decl_skip_args. * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter and pass it to build_function_decl_skip_args/tree_function_versioning. (cgraph_materialize_clone): Adjust call to tree_function_versioning. * ipa-inline-transform.c (save_inline_function_body): Likewise. * trans-mem.c (ipa_tm_create_version): Likewise. * tree-sra.c (modify_function): Ditto for cgraph_function_versioning. * tree-inline.c (declare_return_variable): Remove always-true test. (tree_function_versioning): Add SKIP_RETURN parameter. If the function returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL. * ipa-split.c (split_function): Skip the return value for the split part if it doesn't return. 2012-01-11 Bill Schmidt PR tree-optimization/49642 * ipa-split.c (forbidden_dominators): New variable. (check_forbidden_calls): New function. (dominated_by_forbidden): Likewise. (consider_split): Check for forbidden dominators. (execute_split_functions): Initialize and free forbidden dominators info; call check_forbidden_calls. 2012-01-11 Matthew Gretton-Dann * config/arm/arm.md (mov_notscc): Use MVN for false condition. 2012-01-11 Nick Clifton * config/rx/rx.md (return): Define pattern. 2012-01-11 Richard Guenther * doc/extend.texi (malloc attribute): Adjust according to implementation. 2012-01-10 Aldy Hernandez Patrick Marlier PR middle-end/51516 * trans-mem.c (get_cg_data): Traverse aliases if requested. (ipa_tm_scan_calls_block): Update parameters to get_cg_data. (ipa_tm_note_irrevocable): Same. (ipa_tm_scan_irr_block): Same. (ipa_tm_decrement_clone_counts): Same. (ipa_tm_scan_irr_function): Same. (ipa_tm_create_version_alias): Same. (ipa_tm_create_version): Same. (ipa_tm_transform_calls_redirect): Same. (ipa_tm_transform_calls): Same. (ipa_tm_transform_transaction): Same. (ipa_tm_execute): Same. 2012-01-10 Richard Guenther PR middle-end/51806 * opts.c (common_handle_option): Handle -Werror. 2012-01-10 Andreas Schwab * config/m68k/sync.md ("atomic_compare_and_swap_1"): Fix operand number. 2012-01-10 Jason Merrill * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6 information. 2012-01-10 Rainer Orth * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker supports R_386_TLS_GD_PLT reloc. (gcc_cv_as_ix86_tlsldmplt): Check if linker supports R_386_TLS_LDM_PLT reloc. * configure: Regenerate. * config.in: Regenerate. 2012-01-10 Georg-Johann Lay PR target/49868 Extend __pgmx semantics to linearize memory. * config/avr/avr.md (mov): Use avr_xload_libgcc_p to determine if code comes inline or from libgcc. (MOVMEM_r_d:HI): Add "w" to constraint for better preference. (movmem_qi, movmem_qi): Set constraint #2 to "n". (movmem_qi_elpm, movmem_hi_elpm): Remove insns. (movmemx_qi, movmemx_hi): New insns. (xload__libgcc): Rewrite to new insn condition. (xload_): Remove insns. * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle cases that don't satisfy avr_xload_libgcc_p(). (avr_addr_space_convert): Allow converting in any direction. (avr_addr_space_subset_p): Return always true. (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics. (avr_emit_movmemhi): Ditto. (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more. (avr_out_movmem): Ditto. (AVR_SYMBOL_FLAG_PROGMEM): New macro. (AVR_SYMBOL_SET_ADDR_SPACE): New macro. (AVR_SYMBOL_GET_ADDR_SPACE): New macro. (avr_encode_section_info): Encode 'progmem' in symbol flags. (output_reload_in_const): Don't zero-extend any 24-bit symbols. 2012-01-10 Richard Guenther PR tree-optimization/50913 * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Require data-refs to be representable by Graphite with respect to any loop nest. 2012-01-10 Uros Bizjak * config/i386/constraints.md ("L"): Return true for 0xffffffff. * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV. 2012-01-10 Tom de Vries PR rtl-optimization/51271 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when handling annulled branch. 2012-01-10 Richard Henderson * config/arm/arm.c (arm_vectorize_vec_perm_const_ok, TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN, struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm, arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev, arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1, arm_expand_vec_perm_const): New. * config/arm/arm-protos.h: Update. * config/arm/neon.md (UNSPEC_VCONCAT): New. (*neon_vswp): New. (neon_vcombine): Use neon_split_vcombine. (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New. * config/arm/vec-common.md (vec_perm_const): New. (vec_perm): New. 2012-01-10 Richard Henderson * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument; use it if reload_completed. (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count, arm_output_asm_insn, arm_process_output_memory_barrier, arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex, arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3, arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND, arm_process_output_sync_insn, arm_output_sync_insn, arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove. (arm_pre_atomic_barrier, arm_post_atomic_barrier): New. (arm_emit_load_exclusive, arm_emit_store_exclusive): New. (emit_unlikely_jump): New. (arm_expand_compare_and_swap, arm_split_compare_and_swap): New. (arm_split_atomic_op): New. * config/arm/arm-protos.h: Update. * config/arm/arm.h (enum arm_sync_generator_tag): Remove. (struct arm_sync_generator): Remove. * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK, VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove. (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New. (VUNSPEC_LL, VUNSPEC_SC): New. (sync_result, sync_memory, sync_required_value, sync_new_value, sync_t1, sync_t2, sync_release_barrier, sync_op): Remove. (attr length): Don't use arm_sync_loop_insns. (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg. (movsfcc, movdfcc): Likewise. * config/arm/constraints.md (Ua): New. * config/arm/prediates.md (mem_noofs_operand): New. (sync_compare_and_swap, sync_lock_test_and_set): Remove. (sync_clobber, sync_t2_reqd): Remove. (sync_, sync_nand): Remove. (sync_new_, sync_new_nand): Remove. (sync_old_, sync_old_nand): Remove. (arm_sync_compare_and_swap): Remove. (arm_sync_compare_and_swap): Remove. (arm_sync_lock_test_and_set): Remove. (arm_sync_lock_test_and_set): Remove. (arm_sync_new_): Remove. (arm_sync_new_): Remove. (arm_sync_new_nand): Remove. (arm_sync_new_nand): Remove. (arm_sync_old_): Remove. (arm_sync_old_): Remove. (arm_sync_old_nand): Remove. (arm_sync_old_nand): Remove. (*memory_barrier): Merge arm_output_memory_barrier. (atomic_compare_and_swap): New. (atomic_compare_and_swap_1): New. (atomic_compare_and_swap_1): New. (atomic_exchange): New. (cas_cmp_operand, cas_cmp_str): New. (atomic_op_operand, atomic_op_str): New. (atomic_, atomic_nand): New. (atomic_fetch_, atomic_fetch_nand): New. (atomic__fetch, atomic_nand_fetch): New. (arm_load_exclusive): New. (arm_load_exclusivesi, arm_load_exclusivedi): New. (arm_store_exclusive): New. 2012-01-09 Michael Meissner * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF reload patterns if -mvsx-scalar-memory. * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be generated, even -mno-vsx-scalar-double was used. (vsx_xscvdpsp_scalar): Likewise. (vsx_xscvspdp_scalar2): Likewise. 2012-01-09 Tom de Vries Andrew Pinski PR debug/51471 * reorg.c (fill_slots_from_thread): Don't speculate frame-related insns. 2012-01-09 Richard Sandiford * sched-int.h (bb_note): Move to... * basic-block.h: ...here. * haifa-sched.c (bb_note): Move to... * cfgrtl.c: ...here. * function.c (next_block_for_reg): New function. (move_insn_for_shrink_wrap): Likewise. (prepare_shrink_wrap): Rewrite to use the above. 2012-01-09 Aldy Hernandez * gimple.c (is_gimple_non_addressable): Remove. * gimple.h: Remove is_gimple_non_addressable. * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of is_gimple_non_addressable. * trans-mem.c (expand_assign_tm): Same. 2012-01-09 Richard Guenther PR tree-optimization/51775 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts. * tree-ssa-pre.c (eliminate): Properly fixup EH info. 2012-01-09 Matthew Gretton-Dann * 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. 2012-01-09 Richard Guenther * tree-streamer-out.c (write_ts_optimization): Fix spelling. 2012-01-08 Jan Hubicka PR tree-optimize/51680 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition on when known_vals needs to be computed; cleanup. 2012-01-08 Jan Hubicka PR tree-optimize/51694 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks. 2012-01-08 Jonathan Wakely * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined for -std=c++98 and -std=c++11 too. 2012-01-08 Chung-Lin Tang * cfgloop.c (cancel_loop): Add free() of bbs array. 2012-01-07 Jan Hubicka PR tree-optimization/51600 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code that benefits small functions. 2012-01-07 Jan Hubicka * ipa-inline.c (want_inline_small_function_p): Fix formating. 2012-01-07 Jan Hubicka PR tree-optimization/51680 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions whose inlining reduce unit size. 2012-01-07 Alexandre Oliva PR bootstrap/51725 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node. Add canonical node to containing_mem chain after the non-canonical one, even if there weren't any locs to propagate. (remove_useless_values): Keep only canonical values. (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr. (cselib_invalidate_mem): Likewise. Ensure v is canonical, and canonicalize mem_chain elements that are not discarded. 2012-01-06 Jakub Jelinek PR target/47333 * cgraphunit.c (cgraph_optimize): Call output_weakrefs before emitting functions. PR gcov-profile/50127 * bb-reorder.c (partition_hot_cold_basic_blocks): Call clear_aux_for_blocks. 2012-01-06 Alexandre Oliva PR debug/51746 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too. 2012-01-06 Arnaud Charlet * c-decl.c (ext_block): Moved up. (collect_all_refs, for_each_global_decl): Take ext_block into account. 2012-01-06 Han Shen Translate built-in include paths for sysroot. * Makefile.in (gcc_gxx_include_dir_add_sysroot): New. (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT. * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field. * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to control whether sysroot should be prepended to gxx include dir. * configure: Regenerate. 2012-01-06 Torvald Riegel PR rtl-optimization/51771 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New. * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib. 2012-01-05 Eric Botcazou PR tree-optimization/51315 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate. (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p. 2012-01-05 Uros Bizjak PR target/51681 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands for shrp pattern. Correctly handle and fixup shift variable. Return false when shift > nelt for BYTES_BIG_ENDIAN target. 2012-01-05 Jakub Jelinek PR debug/51762 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE note when !ACCUMULATE_OUTGOING_ARGS. 2012-01-05 Eric Botcazou * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated condition. (extract_range_from_unary_expr_1): Avoid useless computations. 2012-01-05 Jakub Jelinek PR rtl-optimization/51767 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition of jump_block and add an extra edge for degenerated asm gotos. PR middle-end/51768 * stmt.c (check_unique_operand_names): Don't ICE during error reporting if i is from labels chain. PR middle-end/44777 * profile.c (branch_prob): Split bbs that have exit edge and need a fake entry edge too. 2012-01-05 Jan Hubicka PR middle-end/49710 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when unlooping loops. 2012-01-05 Richard Guenther PR lto/50490 * tree-streamer-out.c (write_ts_optimization): New function. (streamer_write_tree_body): Call it. * tree-streamer-in.c (lto_input_ts_optimization): New function. (streamer_read_tree_body): Call it. * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE. 2012-01-05 Jakub Jelinek PR middle-end/51761 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field. * gimplify.c (gimplify_cleanup_point_expr): Save and set in_cleanup_point_expr before gimplify_stmt call and restore it afterwards. (gimplify_target_expr): Don't add {CLOBBER} cleanup if in_cleanup_point_expr is false. 2012-01-05 Richard Guenther PR middle-end/51764 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move to c.opt. * toplev.c (process_options): Reject combining mudflap and LTO. * tree-nomudflap.c (nogo): Use sorry instead of internal_error. 2012-01-05 Richard Guenther PR tree-optimization/51760 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT, not VARYING. (bit_value_unop): Handle UNDEFINED operands. (bit_value_binop): Likewise. 2012-01-05 Georg-Johann Lay * config/avr/avr.c (avr_replace_prefix): Remove. (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix. (avr_asm_function_rodata_section): Ditto. (avr_asm_select_section): Ditto. 2012-01-05 Marcus Shawcroft * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND insertion. 2012-01-05 Jakub Jelinek PR bootstrap/51648 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn calls that have any non-fake successor edges. PR debug/51746 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL. 2012-01-04 Eric Botcazou PR tree-optimization/51624 * tree-sra.c (build_ref_for_model): When replicating a chain of COMPONENT_REFs, stop as soon as the offset would become negative. 2012-01-04 Jakub Jelinek PR debug/51695 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions in .debug_loc on the floor. 2012-01-04 Andrew Pinski * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2. 2012-01-04 Andrew Pinski Adam Nemet * config/mips/mips.md (size): Add SI and DI. (SIZE): New mode attribute. (U): New code attribute. * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi. (mips_lbux_): Delete. (mips_lx_ext_): New pattern. (mips_lhx): Use gen_mips_lhx_extsi. (mips_lhx_): Delete. (mips_lwx): Delete. (mips_lx): New expand. (mips_lwx_): Delete. (mips_lx_): New pattern. (*mips_lwx__ext): Likewise. * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type. * config/mips/mips.c (mips_lx_address_p): New function. (mips_rtx_costs ): Call mips_lx_address_p. (dsp64): New availability predicate. (mips_builtins): Add an entry for __builtin_mips_ldx. * config/mips/mips.h (ISA_HAS_LBX): New define. (ISA_HAS_LBUX): Likewise. (ISA_HAS_LHX): Likewise. (ISA_HAS_LHUX): Likewise. (ISA_HAS_LWX): Likewise. (ISA_HAS_LWUX): Likewise. (ISA_HAS_LDX): Likewise. * doc/extend.texi (__builtin_mips_ldx): Document. 2012-01-04 Tristan Gingold * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define when long pointers are used. * config.build (*-*-*vms*): Handle all OpenVMS targets. (alpha64-dec-*vms*, alpha*-dec-*vms*) (ia64-hp-*vms*): Remove. * config/vms/xm-vms64.h: Delete. 2012-01-04 Aldy Hernandez PR middle-end/51472 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly. 2012-01-04 Aldy Hernandez * opts.c (finish_options): Remove duplicate sorry. 2012-01-04 Aldy Hernandez PR middle-end/51696 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name correctly. 2012-01-04 Richard Guenther PR middle-end/51750 * tree.c (size_low_cst): New function. * tree.h (size_low_cst): Declare. * fold-const.c (fold_comparison): Use it to extract the low part of the POINTER_PLUS_EXPR offset. 2012-01-04 Georg-Johann Lay Fix clearing ZERO_REG * config/avr/avr.md (cc): Add alternative "ldi". (movqi_insn): Use it in cc attribute. * config/avr/avr.c (notice_update_cc): Handle CC_LDI. (output_reload_in_const): Use CLR to move 0 to ZERO_REG. (output_reload_insisf): Use ZERO_REG to pre-clear register. 2012-01-04 Andreas Krebbel * configure: Regenerate. 2012-01-04 Richard Guenther PR tree-optimization/49651 * tree-ssa-structalias.c (type_can_have_subvars): New function. (var_can_have_subvars): Use it. (get_constraint_for_1): Only consider subfields if there can be any. 2012-01-03 Jakub Jelinek PR bootstrap/51725 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val to its new canonical_cselib_val and the cselib_val was in first_containing_mem chain, but the canonical_cselib_val was not, add the latter into the chain. (cselib_invalidate_mem): Compare canonical_cselib_val of addr_list chain elt with v. PR pch/51722 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef): Allocate e.info using ggc_strdup instead of xstrdup. (output_macinfo_op): Don't ggc_strdup fd->filename. (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC, then ggc_strdup it. Don't free inc->info or cur->info. (output_macinfo): Don't free ref->info or file->info. 2012-01-03 Ira Rosen PR tree-optimization/51269 * tree-vect-loop-manip.c (set_prologue_iterations): Make first_niters a pointer. (slpeel_tree_peel_loop_to_edge): Likewise. (vect_do_peeling_for_loop_bound): Update call to slpeel_tree_peel_loop_to_edge. (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters here. Remove it from the parameters list. (vect_do_peeling_for_alignment): Update calls and compute wide_prolog_niters. 2012-01-03 Richard Guenther PR tree-optimization/51070 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop): Properly handle calls. 2012-01-03 Richard Guenther PR tree-optimization/51692 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove the LHS of allocation stmts. 2012-01-03 Olivier Hainque * system.h: Prior to #define, #undef fopen and freopen unconditionally. 2012-01-03 Olivier Hainque * collect2.c (main): In AIX specific computations for vector insertions, use CONST_CAST2 to cast from char ** to const char **. 2012-01-03 Richard Guenther PR debug/51650 * dwarf2out.c (dwarf2out_finish): Always create a DIE for the context of a limbo DIE when it does not already exist. 2012-01-03 Jakub Jelinek PR tree-optimization/51719 * value-prof.c (gimple_ic): When indirect call isn't noreturn, but direct call is, clear direct call's lhs and don't add fallthrough edge from dcall_bb to join_bb and PHIs. 2012-01-03 Andreas Krebbel * config/s390/s390.md ("*cmp_ccs"): Fix comment mentioning the instructions emitted by the pattern. ("*TDC_insn_"): Add comment. 2012-01-03 Richard Guenther PR middle-end/51730 * fold-const.c (fold_comparison): Properly canonicalize tree offset and HOST_WIDE_INT bit position. 2012-01-02 Uros Bizjak * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct operands for extzv pattern. 2012-01-02 Jakub Jelinek PR bootstrap/51725 * cselib.c (add_mem_for_addr): Call canonical_cselib_val on mem_elt first. 2012-01-02 Sandra Loosemore * doc/invoke.texi (-flto and related options): Copy-edit. 2012-01-02 Richard Sandiford * config/mips/mips.md (loadgp_newabi_): Add missing earlyclobber. 2012-01-02 Jakub Jelinek * config/i386/sse.md (*avx2_gatherdi_3, *avx2_gatherdi_4): New patterns. 2012-01-02 Richard Sandiford * expr.h (move_by_pieces_ninsns): Declare. * expr.c (move_by_pieces_ninsns): Make external. * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare. (mips_store_by_pieces_p): Likewise. * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p. (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p. * config/mips/mips.c (mips_move_by_pieces_p): New function. (mips_store_by_pieces_p): Likewise. 2012-01-02 Jakub Jelinek * passes.c (register_one_dump_file): Free full_name. * reload1.c (reload): Don't allocate reg_max_ref_width here. (calculate_elim_costs_all_insns): Free offsets_at and offsets_known_at at the end and clear the pointers. 2012-01-02 Georg-Johann Lay * config/avr/avr.opt (-mbranch-cost): Fix double definition of this option introduced in r180739. 2012-01-02 Georg-Johann Lay PR target/51345 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h (tmake_file target=avr): Add avr/t-multilib. * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__. * config/avr/genmultilib.awk: New file. * config/avr/t-multilib: New auto-generated file. * config/avr/multilib.h: New auto-generated file. * config/avr/t-avr (AVR_MCUS): New variable. (genopt.sh): Use it. (s-mlib): Depend on t-multilib. (t-multilib, multilib.h): New dependencies. (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS. (MULTILIB_OPTIONS): Remove. (MULTILIB_MATCHES): Remove. (MULTILIB_DIRNAMES): Remove. (MULTILIB_EXCEPTIONS): Remove: * config/avr/genopt.sh: Don't use hard coded file name; pass AVR_MCUS from t-avr instead. 2012-01-02 Georg-Johann Lay * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23". 2012-01-02 Georg-Johann Lay Implement light-weight DImode support. * config/avr/avr-dimode.md: New file. * config/avr/avr.md: Include it. (adjust_len): Add plus64, compare64. (HIDI): Remove code iterator. (code_stdname): New code attribute. (rotx, rotsmode): Remove DI. (rotl3, *rotw, *rotb): Use HISI instead of HIDI as code iterator. * config/avr/avr-protos.h (avr_have_dimode): New. (avr_out_plus64, avr_out_compare64): New. * config/avr/avr.c (avr_out_compare): Handle DImode. (avr_have_dimode): New variable definition and initialization. (avr_out_compare64, avr_out_plus64): New functions. (avr_out_plus_1): Use simplify_unary_operation to negate xval. (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64. (avr_compare_pattern): Skip DImode comparisons. 2012-01-02 Revital Eres * ddg.c (def_has_ccmode_p): New function. (add_cross_iteration_register_deps, create_ddg_dep_from_intra_loop_link): Call it. 2012-01-02 Richard Guenther PR other/51679 * invoke.texi (fassociative-math): Remove spurious paranthesis. 2012-01-01 Jakub Jelinek * gcc.c (process_command): Update copyright notice dates. * gcov.c (print_version): Likewise. * gcov-dump.c (print_version): Likewise. * mips-tfile.c (main): Likewise. * mips-tdump.c (main): Likewise. 2012-01-01 Ira Rosen PR tree-optimization/51704 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that a use is inside the basic block or loop before accessing its vect info. 2012-01-01 Jan Hubicka PR rtl-optimization/51069 * cfgloopmanip.c (remove_path): Removing path making irreducible region unconditional makes BB part of the region. 2012-01-01 Jakub Jelinek PR tree-optimization/51683 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away calls with side-effects. * tree-ssa-ccp.c (ccp_fold_stmt): Likewise. Copyright (C) 2012 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.