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* cgraph.h (varpool_node_name): Declare.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 638d9a4..d616cb7 100644 (file)
@@ -1,3 +1,311 @@
+2009-11-12 Jan Hubicka  <jh@suse.cz>
+
+       * cgraph.h (varpool_node_name): Declare.
+       * cgraphunit.c (process_function_and_variable_attributes): Set force_output
+       flag on used variables.
+       * ipa.c (function_and_variable_visibility): Dump externally visible and needed
+       variables.
+       * varpool.c (varpool_node_name): Export.
+       (decide_is_variable_needed): Check COMDAT for externally visible vars;
+       ignore needed flag.
+
+2009-11-12 Uros Bizjak <ubizjak@gmail.com>
+
+       PR middle-end/41930
+       * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip
+       processing if XEXP (x, i) is NULL.
+
+2009-11-12  Jan Hubicka  <jh@suse.cz>
+
+       * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON
+       imply PUBLIC || EXTERNAL.
+
+2009-11-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
+
+       PR middle-end/41440
+       * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru,
+       single successor block, ending with jump created by RTL expander.
+       
+2009-11-11  Jan Hubicka  <jh@suse.cz>
+
+       PR middle-end/41729
+       * ipa.c (function_and_variable_visibility): Do not privatize COMDAT
+       and WEAK variables at -fwhole-program.
+
+       PR middle-end/41735
+       * ipa.c (whole_program_function_and_variable_visility): COMDAT
+       functions/variables are not needed even if they are externally visible.
+
+2009-11-11  Jan Hubicka  <jh@suse.cz>
+
+       (patch by Richard Guenther)
+       * lto-streamer-out.c (output_function): Output head of argument list
+       earlier.
+       * lto-streamer-in.c (input_function): Re-map arguments into merged
+       declaration.
+
+2009-11-11  Jan Hubicka  <jh@suse.cz>
+
+       * lto-cgraph.c: Include gcov-io.h
+       (output_profile_summary): New function.
+       (output_cgraph): Use it.
+       (input_profile_summary): New function.
+       (input_cgraph): Use it.
+       * coverage.c (build_ctr_info_value): Use varpool; initalize
+       DECL_ASSEMBLER_NAME.
+       (create_coverage): Likewise.
+       * tree-profile.c (tree_init_ic_make_global_vars): Likewise.
+       (tree_init_edge_profiler): Likewise.
+       * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h.
+
+2009-11-11  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
+       * c-pragma.c (def_pragma_macro_value): Likewise.
+       (def_pragma_macro): Likewise.
+       (pushed_macro_table): Likewise.
+       (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code.
+       * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed.
+
+2009-11-11  Basile Starynkevitch  <basile@starynkevitch.net>
+
+       * doc/plugins.texi (Registering custom attributes): section
+       renamed as (Registering custom attributes or pragmas).
+       Mentions custom attributes & pragmas, and c_register_pragma, with
+       a small example.
+       * doc/cpp.texi (Pragmas): Mentions that plugins can provide their
+       pragmas.
+       * doc/extend.texi (Function Attributes): Mentions that plugin can
+       provide their attributes.
+
+2009-11-11  Jon Beniston <jon@beniston.com>
+
+       * config.gcc: Add lm32 elf and uclinux targets.
+       * config/lm32: New directory.
+       * config/lm32/lm32.c: New file.
+       * config/lm32/lm32.h: New file.
+       * config/lm32/lm32.md: New file.
+       * config/lm32/lm32.opt: New file.
+       * config/lm32/lm32-protos.h: New file.
+       * config/lm32/constraints.md: New file.
+       * config/lm32/predicates.md: New file.
+       * config/lm32/sfp-machine.h: New file.
+       * config/lm32/t-fprules-softfp: New file.
+       * config/lm32/uclinux-elf.h: New file.
+       * doc/invoke.texi: Document lm32 options.
+       * doc/contrib.texi: Document lm32 porter.
+       * doc/install.texi: Document lm32 targets.
+
+2009-11-11  Martin Jambor  <mjambor@suse.cz>
+
+       PR lto/41932
+       * ipa-prop.c (ipa_update_after_lto_read): Call
+       ipa_check_create_node_params and ipa_check_create_edge_args.  Also
+       call ipa_initialize_node_params instead of ipa_populate_param_decls.
+
+2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New.
+       (neon_expand_vector_init): Use them.  Also handle non-constant
+       vectors with identical elements and vectors with only one
+       non-constant element.
+       (arm_print_operand): Handle 'y' modifier.
+       * config/arm/arm-protos.h (neon_make_constant): Declare.
+       * config/arm/neon.md (neon_vdup_n<mode>): Split into two
+       patterns.  Use VX instead of VDQW for the first one.  Allow
+       a VFP alternative and V32 modes for the second one.
+       * config/arm/neon.ml (shape_elt): Add Alternatives.
+       (ops): Use Alternatives for vdup lane instructions.
+       * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives.
+       * config/arm/vec-common.md (mov<mode>): Use neon_make_constant.
+
+2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * config/arm/neon.md (*neon_mov<mode>): Reject two non-register
+       operands.
+       (movti, mov<mode>): Call force_reg on one operand if required.
+       * config/arm/vec-common.md (mov<mode>): Likewise.
+
+2009-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
+
+       * config/arm/arm.c (arm_override_options): Enable scheduling for
+       Thumb-2.
+
+2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR target/10127
+       PR ada/20548
+       * expr.h (anti_adjust_stack_and_probe): Declare.
+       * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK
+       parameter and rewrite head comment.
+       (allocate_dynamic_stack_space): Adjust call to above function.
+       * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP.
+
+       * tree.h (dwarf2out_args_size): Delete.
+       * dwarf2out.c (dwarf2out_args_size): Make static and move around.
+       (dwarf2out_args_size_adjust): Delete prototype and move around.
+       (dwarf2out_frame_debug_expr): Do not record arg size adjustments for
+       ACCUMULATE_OUTGOING_ARGS targets.
+
+2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
+       DECL_SIZE of DECL_RESULT before evaluating it.
+
+2009-11-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       PR tree-optimization/41987
+       * fold-const.c (const_binop): Avoid using fold_buildN().
+
+2009-11-10  Martin Jambor  <mjambor@suse.cz>
+
+       * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field.
+       (execute_all_ipa_stmt_fixups): Declare.
+       * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value.
+       * ipa-inline.c (pass_ipa_inline): Likewise.
+       * ipa-pure-const.c (pass_ipa_pure_cons): Likewise.
+       * ipa-reference.c (pass_ipa_reference): Likewise.
+       * ipa.c (pass_ipa_whole_program_visibility): Likewise.
+       * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise.
+       (pass_ipa_lto_finish_out): Likewise.
+       * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise.
+       * passes.c (execute_ipa_stmt_fixups): New function.
+       (execute_all_ipa_stmt_fixups): New function.
+       * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups.
+
+2009-11-10  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR ada/20548
+       * explow.c (probe_stack_range): Fix typo.
+       * config/sparc/sparc.md (probe_stack): New expander.
+
+2009-11-09  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin.
+
+2009-11-09  Jason Merrill  <jason@redhat.com>
+
+       * gdbinit.in (pgq): New function for printing gimple sequence.
+
+2009-11-09  Paul Brook  <paul@codesourcery.com>
+           Daniel Jacobowitz  <dan@codesourcery.com>
+           Sandra Loosemore  <sandra@codesourcery.com>
+
+       * doc/extend.texi (Half-Precision): Update wording to reflect
+       that there are now multiple -mfpu options that enable fp16
+       hardware support.
+       * doc/invoke.texi: Update list of ARM -mfpu= options.
+       * config.gcc: Update ARM --with-fpu option list.
+       * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16,
+       vfpv3xd and vfpv3xd-fp16.
+       (use_vfp_abi): New function.
+       (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs
+       when undesirable.
+       (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate,
+       aapcs_vfp_allocate_return_reg): Use use_vfp_abi.
+       (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs,
+       arm_9e_rtx_costs): Only expect double-precision operations if the FPU
+       provides them.
+       (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no
+       NEON.
+       (arm_print_operand): Handle 'p' modifier.
+       (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if
+       TARGET_FP16.
+       * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define.
+       (TARGET_FP16): Define.
+       * config/arm/vfp.md: Disable double-precision patterns if the FPU
+       does not provide them.
+       (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move
+       double-precision values on a single-precision FPU.
+       (movdf_vfp, thumb2_movdf_vfp): Likewise.  Use "Dy" for
+       double-precision constants.
+       (movhf_vfp_neon): New pattern (was movhf_vfp).
+       (movhf_vfp): Remove NEON instructions.
+       * config/arm/constraints.md: Add new "Dy" constraint for
+       double-precision constants.  Update description of "Dv".
+       * config/arm/arm.md: Disable double-precision patterns if the FPU
+       does not provide them
+
+2009-11-09  Jakub Jelinek  <jakub@redhat.com>
+
+       * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting.
+       (print_operand) <case 'Y'>: Likewise.  Fix a pasto in operand lossage
+       diagnostics.
+
+2009-11-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * collect2.c (main): Search PLUGIN_LD for plugin linker.
+
+       * configure.ac (--with-plugin-ld): New.  Default to ld.
+       * configure: Regenerated.
+       * config.in: Likewise.
+
+       * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New.
+       (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin.
+
+2009-11-08  Jonathan Gray <jsg@openbsd.org>
+
+       * config/openbsd-stdint.h: Change to reflect what
+       c_common_nodes_and_builtins expects.
+
+2009-11-08  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       * builtins.c (apply_args_reg_offset): Remove commented out delaration.
+
+2009-11-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR target/41985
+       * config/i386/i386.c (get_some_local_dynamic_name): Don't assert
+       function contains at least one local dynamic name.
+       (print_operand) <case '&'>: Instead output operand lossage diagnostics
+       here if that happens.
+
+2009-11-08  Zbigniew Chamski  <zbigniew.chamski@gmail.com>
+           Joern Rennecke  <amylaar@spamcop.net>
+
+       * cfgrtl.c (pass_free_cfg): Add pass name.
+       * cgraphbuild.c (pass_build_cgraph_edges): Likewise.
+       (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise.
+       * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name.
+       * df-core.c (pass_df_initialize_no_opt): Likewise.
+       * except.c (pass_rtl_eh): Likewise.
+       * function.c (pass_init_function, pass_leaf_regs): Likewise.
+       * gcse.c (pass_rtl_pre): Change pass name.
+       * passes.c (pass_postreload): Add pass name.
+       (make_pass_instance): Don't use duplicate-tracking logic for
+       names starting with '*'.
+       (next_pass_1): Assert that pass has a name.
+       (register_one_dump_file): If there is an space in the name,
+       skip past it.
+       * predict.c (pass_strip_predict_hints): Add pass name.
+       * reg-stack.c (pass_stack_regs): Likewise.
+       * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
+       * tree-cfg.c (pass_warn_function_return,
+       pass_warn_function_noreturn): Add pass name.
+       * tree-dfa.c (pass_referenced_vars): Likewise.
+       * tree-optimize.c (pass_cleanup_cfg_post_optimizing):
+       Fix whitespace before comment.
+       (pass_fixup_cfg): Add pass name, fix whitespace before comment.
+       (pass_init_datastructures): Add pass name.
+       * tree-ssa-loop.c (pass_record_bounds): Likewise.
+       * tree-ssa.c (pass_early_warn_uninitialized,
+       pass_late_warn_uninitialized): Likewise.
+       * tree.c (pass_ipa_free_lang_data): Likewise.
+       * doc/passes.texi (pass manager): Document how to disambiguate
+       pass names.
+
+2009-11-08  Paolo Bonzini  <bonzini@gnu.org>
+
+       * df-problems.c: Fix documentation for forward simulation of LR.
+       (df_simulate_one_insn_forwards): Use df_simulate_find_defs.
+       (df_simulate_finalize_forwards): Remove.
+       * df.h (df_simulate_finalize_forwards): Remove.
+
+2009-11-08  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-structalias.c (build_succ_graph): Properly make
+       variables escape if they are stored to anything.
+
 2009-11-08  Richard Guenther  <rguenther@suse.de>
 
        PR rtl-optimization/41928
        * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi,
        expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some
        set but not used variables.
+       (apply_args_reg_offset): Comment out as unused.
        * calls.c (flags_from_decl_or_type): Likewise.
        * genautomata.c (check_regexp_units_distribution): Likewise.
 
 2009-11-04  Kenneth Zadeck  <zadeck@naturalbridge.com>
 
        * df-scan.c (df-uses-record): Add case zero_extract of mem.
-       
+
 2009-11-04  Eric Botcazou  <ebotcazou@adacore.com>
 
        PR target/10127
        * config/i386/cpuid.h (bit_LWP): Define LWP bit.
        * config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
        * config/i386/i386-c.c (ix86_target_macros_internal): Check
-       ISA_FLAG for LWP. 
+       ISA_FLAG for LWP.
        * config/i386/i386.h (TARGET_LWP): New macro for LWP.
        * config/i386/i386.opt (-mlwp): New switch for LWP support.
        * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
-       (OPTION_MASK_ISA_LWP_UNSET): New.       
+       (OPTION_MASK_ISA_LWP_UNSET): New.
        (ix86_handle_option): Handle -mlwp.
        (isa_opts): Handle -mlwp.
        (enum pta_flags): Add PTA_LWP.
        (builtin_description): Ditto.
        (ix86_init_mmx_sse_builtins): Ditto.
        (ix86_expand_special_args_builtin): Ditto.
-       * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for 
+       * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for
        LWP support.
        (UNSPEC_SLWP_INTRINSIC): Ditto.
        (UNSPECV_LWPVAL_INTRINSIC): Ditto.
        (lwp_lwpinshi3): Ditto.
        (lwp_lwpinssi3): Ditto.
        (lwp_lwpinsdi3): Ditto.
-       
+
 2009-11-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
-            Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
+           Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
 
        PR rtl-opt/41833
        * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of
        a vec_duplicate.
 
 2009-11-04  Richard Guenther  <rguenther@suse.de>
-            Rafael Avila de Espindola  <espindola@google.com>
+           Rafael Avila de Espindola  <espindola@google.com>
+
        * gcc.c (process_command): Handle arguments name@offset.
 
 2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
-       
+
        * config.gcc (i[34567]86-*-*): Include xopintrin.h.
        (x86_64-*-*): Ditto.
        * config/i386/xopintrin.h: New file, provide common x86 compiler
        * config/i386/cpuid.h (bit_XOP): Define XOP bit.
        * config/i386/x86intrin.h: Add XOP check and xopintrin.h.
        * config/i386/i386-c.c(ix86_target_macros_internal): Check
-       ISA_FLAG for XOP. 
+       ISA_FLAG for XOP.
        * config/i386/i386.h(TARGET_XOP): New macro for XOP.
        * config/i386/i386.opt (-mxop): New switch for XOP support.
        * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
        (PPERM_*): New constants for vpperm instruction.
        (xop_pcmov_<mode>): Add XOP conditional mov instructions.
        * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
-       (OPTION_MASK_ISA_XOP_UNSET): New.       
+       (OPTION_MASK_ISA_XOP_UNSET): New.
        (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
        (ix86_handle_option): Handle -mxop.
        (isa_opts): Handle -mxop.
        (xop_pmadcsswd): Ditto.
        (xop_pmadcswd): Ditto.
        (xop_pcmov_<mode>): Ditto.
-       (xop_pcmov_<mode>)256: Ditto.
+       (xop_pcmov_<mode>256): Ditto.
        (xop_phaddbw): Ditto.
        (xop_phaddbd): Ditto.
        (xop_phaddbq): Ditto.
        (ashrv2di3): Ditto.
        (xop_frcz<mode>2): Ditto.
        (xop_vmfrcz<mode>2): Ditto.
-       (xop_frcz<mode>2256): Ditto.    
+       (xop_frcz<mode>2256): Ditto.
        (xop_maskcmp<mode>3): Ditto.
        (xop_maskcmp_uns<mode>3): Ditto.
        (xop_maskcmp_uns2<mode>3): Ditto.
 
        * doc/invoke.texi (-mxop): Add documentation.
        * doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
-       
+
 2009-11-03  Mark Mitchell  <mark@codesourcery.com>
 
        PR driver/11810
        * config/frv/frv.c (frv_function_value, frv_libcall_value,
        frv_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
-       * config/frv/frv.h: (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
+       * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
        (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p.
        * config/frv/frv-protos.h (frv_function_value_regno_p): Declare.
 
        new 'outgoing' argument.
        (mn10300_libcall_value, mn10300_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
-       * config/mn10300/mn10300.h: (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
+       * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE): Remove.
        (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p.
        * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove.
 
 2009-10-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 
-        * config/arm/cortex-a9.md: New - integer pipeline description.
+       * config/arm/cortex-a9.md: New - integer pipeline description.
 
 2009-10-31  Eric Botcazou  <ebotcazou@adacore.com>