* config/rs6000/linux-unwind.h (frob_update_context): Check for
authorschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 5 Dec 2008 13:57:45 +0000 (13:57 +0000)
committerschwab <schwab@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 5 Dec 2008 13:57:45 +0000 (13:57 +0000)
NULL lr.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142473 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog
gcc/config/rs6000/linux-unwind.h

index 5c8ef43..64f127e 100644 (file)
@@ -1,3 +1,8 @@
+2008-12-05  Andreas Schwab  <schwab@suse.de>
+
+       * config/rs6000/linux-unwind.h (frob_update_context): Check for
+       NULL lr.
+
 2008-12-05  Jakub Jelinek  <jakub@redhat.com>
 
        PR c/38408
@@ -18,7 +23,7 @@
        (c_parser_initelt): Initialise des_loc and ellipsis_loc.
 
 2008-12-04  Eric Botcazou  <ebotcazou@adacore.com>
-            Gary Funck  <gary@intrepid.com>
+           Gary Funck  <gary@intrepid.com>
 
        * cse.c (lookup_as_function): Delete mode frobbing code.
        (equiv_constant): Re-implement it there for SUBREGs.
 
 2008-12-03  Tomas Bily  <tbily@suse.cz>
 
-        PR middle-end/38250
-        * tree-loop-distribution.c (build_size_arg): New function.
-        (generate_memset_zero): Checks if dr_analyze_innermost succeed.
-        Reorganized generating of stmts.
-        * testsuite/gcc.dg/tree-ssa/pr38250.c: New file.
-        * tree-data-ref.c (dr_analyze_innermost): Returns bool.
-        Indicate if analysis succeed.
-        * tree-data-ref.h (dr_analyze_innermost): Returns bool.
-        * tree-predcom.c (valid_initializer_p, find_looparound_phi):
-        Uses new definition of dr_analyze_innermost.
+       PR middle-end/38250
+       * tree-loop-distribution.c (build_size_arg): New function.
+       (generate_memset_zero): Checks if dr_analyze_innermost succeed.
+       Reorganized generating of stmts.
+       * testsuite/gcc.dg/tree-ssa/pr38250.c: New file.
+       * tree-data-ref.c (dr_analyze_innermost): Returns bool.
+       Indicate if analysis succeed.
+       * tree-data-ref.h (dr_analyze_innermost): Returns bool.
+       * tree-predcom.c (valid_initializer_p, find_looparound_phi):
+       Uses new definition of dr_analyze_innermost.
 
 2008-12-03  Ben Elliston  <bje@au.ibm.com>
 
        * configure: Regenerated.
 
 2008-12-03  Eric Botcazou  <ebotcazou@adacore.com>
-            Jakub Jelinek  <jakub@redhat.com>
-            Andrew Pinski  <andrew_pinski@playstation.sony.com>
+           Jakub Jelinek  <jakub@redhat.com>
+           Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
        PR rtl-optimization/38281
        * combine.c (distribute_notes): When invoking SET_INSN_DELETED on i2,
 2008-12-02  Martin Jambor  <mjambor@suse.cz>
 
        PR middle-end/37861
-        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not check
-        for INDIRECT_REFs.
-        (forward_propagate_addr_into_variable_array_index): Check that the
-        offset is not computed from a MULT_EXPR, use is_gimple_assign rather
-        than the gimple code directly.
-        
+       * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not check
+       for INDIRECT_REFs.
+       (forward_propagate_addr_into_variable_array_index): Check that the
+       offset is not computed from a MULT_EXPR, use is_gimple_assign rather
+       than the gimple code directly.
+
 2008-12-02  Ben Elliston  <bje@au.ibm.com>
 
        * config/spu/float_disf.c (__floatdisf): Prototype.
 
 2008-12-02  Danny Smith  <dannysmith@users.sourceforge.net>
 
-        PR target/38054
+       PR target/38054
        * config/i386/winnt.c (i386_pe_encode_section_info): Condition stdcall
        decoration of function RTL names here on Ada language.
 
        (generate_edge_moves): Use store_can_be_removed_p instead of
        not_modified_p.
        (ira_emit): Call setup_entered_from_non_parent_p.
-       
+
        * ira-build.c (copy_info_to_removed_store_destinations):
        Accumulate CALL_FREQ, CALL_CROSSED_NUM, and
        ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
        (ira_flattening): Don't CHECK MEM_OPTIMIZED_DEST[_P], always
        update all accumulated attributes.
-       
+
 2008-11-19  Vladimir Makarov  <vmakarov@redhat.com>
 
        PR bootstrap/37790
        ira_finish_allocno_live_range_list): New prototypes.
        (ira_allocno_live_ranges_intersect_p,
        ira_pseudo_live_ranges_intersect_p): Remove.
-       
+
        * ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
        ira_pseudo_live_ranges_intersect_p): Rename to
        allocnos_have_intersected_live_ranges_p and
        (copy_info_to_removed_store_destinations): Ditto.  Use
        ira_copy_allocno_live_range_list.
        (ira_flattening): Use ira_merge_allocno_live_ranges.
-       
+
        * ira.c (too_high_register_pressure_p): New function.
        (ira): Switch off sharing spill slots if the pressure is too high.
 
 
        PR target/38156
        * tree-parloops.c (loop_parallel_p): NULL vect_dump.
-       (separate_decls_in_region): Create shared struct even when there 
+       (separate_decls_in_region): Create shared struct even when there
        are only reductions.
 
 2008-11-19  Hariharan Sandanagobalane <hariharan@picochip.com>
        * builtins.c (expand_builtin_sync_operation): Warn for changed
        semantics in NAND builtins.
        * c.opt (Wsync-nand): New warning option.  Describe -Wsync-nand.
-       
+
        * doc/invoke.texi (Warning options): Add Wsync-nand.
        * doc/extend.texi (Atomic Builtins) [__sync_fetch_and_nand]: Correct
        __sync_fetch_and_nand builtin operation in the example.  Add a note
        (ira_build): Call it.
 
        * ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P.
-       
+
 2008-11-14  Jakub Jelinek  <jakub@redhat.com>
 
        PR tree-optimization/38104
        * config/mips/sde.h: Likewise.
        * config/mips/iris6.h: Likewise.
        * config/mips/vr.h: Likewise.
-       * config/mips/mips.h (BASE_DRIVER_SELF_SPECS): New. 
+       * config/mips/mips.h (BASE_DRIVER_SELF_SPECS): New.
 
 2008-11-10  Vladimir Makarov  <vmakarov@redhat.com>
 
 
        * ira-costs.c (scan_one_insn): Use alloc_pref for load from
        equivalent memory.
-       
+
 2008-11-10  Kaz Kojima  <kkojima@gcc.gnu.org>
 
        PR rtl-optimization/37514
        PR middle-end/37379
        * tree-scalar-evolution.c (instantiate_scev_1): Return
        chrec_dont_know for VL_EXP_CLASS_P.
-       
+
 2008-11-06  Uros Bizjak  <ubizjak@gmail.com>
 
        * reg-stack.c (reg_to_stack): Add missing braces in memset
 
        PR target/26397
        * config/rs6000/aix.h (LIBSTDCXX_STATIC): Define.
-       
+
 2008-11-06  Kazu Hirata  <kazu@codesourcery.com>
 
        PR target/35574
 
        * doc/sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS.
 
-2008-11-06  Ben Elliston  <bje@au.ibm.com>     
+2008-11-06  Ben Elliston  <bje@au.ibm.com>
 
        * config/rs6000/rs6000.c (rs6000_override_options): Comment fix.
 
        merging read-only and read-write sections or assembler emits
        read-write .eh_frame sections.
        * configure: Regenerate.
-       
+
 2008-11-03  Nathan Froyd  <froydnj@codesourcery.com>
 
        Revert:
        PR target/37878
        * config/rs6000/predicates.md (word_offset_memref_operand):
        Restructure code and look inside auto-inc/dec addresses.
-       
+
 2008-10-29  Steve Ellcey  <sje@cup.hp.com>
 
        PR target/32277
        * real.h (real_can_shorten_arithmetic): Declare.
 
 2008-10-29  Bernd Schmidt  <bernd.schmidt@analog.com>
-       
+
        * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315,
        ENABLE_WA_05000257, ENABLE_WA_05000283, ENABLE_WA_05000315): New.
        * config/bfin/bfin.c (bfin_cpus): Add these workaround bits as
        * ira-int.h (ira_allocno): Add member updated_cover_class_cost.
        (ALLOCNO_UPDATED_COVER_CLASS_COST): New.
        (ira_fast_allocation): Remove the prototype.
-       
+
        * ira-color.c (update_copy_costs, allocno_cost_compare_func,
        assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
        (color_pass): Modify the updated costs.
        (ira_color): Rename to color.  Make it static.
        (ira_fast_allocation): Rename to fast_allocation.  Make it static.
        (ira_color): New function.
-       
+
        * ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
        change.
 
 
        * ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
        updated costs.
-       
+
 2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>
 
        PR middle-end/37813
        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/bfin.md (composev2hi): Put operands into vector
        with correct order.
-       
+
 2008-10-22  Chao-ying Fu  <fu@mips.com>
 
        * config/mips/mips.opt (msmartmips): Accept -mno-smartmips.
 
        * doc/invoke.texi (Option Summary): Add -T to linker options.
        (Link Options): Document -T.
-       
+
 2008-10-21  Jakub Jelinek  <jakub@redhat.com>
 
        * tree-inline.c (tree_inlinable_function_p): Remove tuples
 
        * doc/rtl.texi (clobber): Change descriotion of RA behaviour for
        early clobbers of pseudo-registers.
-       
+
 2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>
 
        PR middle-end/37674
        * ira-build.c (ira_flattening): Recalculate
        ALLOCNO_TOTAL_NO_STACK_REG_P and ALLOCNO_TOTAL_CONFLICT_HARD_REGS
        from the scratch instead of the propagation.
-       
+
 2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>
 
        * doc/rtl.texi (const_double): Remove the "addr" operand.
        * haifa-sched.c (create_check_block_twin): Update calls to the above.
        * sel-sched.c (create_speculation_check): Likewise.
        * doc/tm.texi: Provide documentation for new target hooks.
-               
+
        * config/ia64/ia64.c: Include sel-sched.h.  Rewrite speculation hooks.
        (ia64_gen_spec_insn): Removed.
        (get_spec_check_gen_function, insn_can_be_in_speculative_p,
        (ia64_dfa_new_cycle): Assert that last_scheduled_insn is set when
        a group barrier is needed.  Fix vertical spacing.  Guard the code
        doing state transition with last_scheduled_insn check.
-       Mark that a stop bit should be before current insn if there was a 
+       Mark that a stop bit should be before current insn if there was a
        cycle advance.  Update current_cycle and mem_ops_in_group.
        (ia64_h_i_d_extended): Change use of current_sched_info to
        sched_deps_info. Reallocate stops_p by larger chunks.
        ia64_free_sched_context): New static functions.
        (gen_func_t): New typedef.
        (get_spec_load_gen_function): New function.
-       (SPEC_GEN_EXTEND_OFFSET): Declare.      
+       (SPEC_GEN_EXTEND_OFFSET): Declare.
        (ia64_set_sched_flags): Check common_sched_info instead of *flags.
        (get_mode_no_for_insn): Change the condition that prevents use of
        special hardware registers so it can now handle pseudos.
        (sel2_run): New variable.
        (ia64_reorg): When flag_selective_scheduling2 is set, run the
        selective scheduling pass instead of schedule_ebbs.
-       
+
        * config/ia64/ia64.md (speculable1, speculable2): New attributes.
        (UNSPEC_LDS_A): New UNSPEC.
        (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
        instead of Common Report Var.
 
        * config/ia64/itanium2.md: Remove incorrect bypass.
-       
+
        * config/ia64/t-ia64 (ia64.o): Add dependency on sel-sched.h.
 
 2008-10-14  Jakub Jelinek  <jakub@redhat.com>
        PR middle-end/37808
        * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make
        sure that ref has valid bb.
-       
+
 2008-10-12  Richard Henderson  <rth@redhat.com>
 
        PR middle-end/37447
        (print_statistics, dump_alloc_pool_statistics): Enhance the
        printing of statistics to print the number of elements and to use
        unsigned longs.
-       
+
 2008-10-07  Jakub Jelinek  <jakub@redhat.com>
 
        PR middle-end/37576
 
 2008-10-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
-       * config/rs6000/rs6000.md (fseldfsf4): Add TARGET_SINGLE_FLOAT 
+       * config/rs6000/rs6000.md (fseldfsf4): Add TARGET_SINGLE_FLOAT
        condition.
        (fselsfdf4): Make condition on "TARGET_HARD_FLOAT && TARGET_FPRS &&
        TARGET_DOUBLE_FLOAT && TARGET_SINGLE_FLOAT".
        and VECTOR_TYPE recurse with useless_type_conversion_p which
        properly handles void pointer conversion.
 
-2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>  
+2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>
 
        PR target/37528
        * config/i386/mingw32.h (LIBGCC_SPEC) : Replace with ..
        (coalesced_allocnos_live_at_points_p,
        set_coalesced_allocnos_live_points): New functions.
        (coalesce_spill_slots): Rewrite.
-       
+
        * ira-lives.c (remove_some_program_points_and_update_live_ranges,
        ira_compress_allocno_live_ranges): New functions.
 
 
 2008-09-25 Sergei Dyshel <sergeid@il.ibm.com>
 
-       * matrix-reorg.c (transform_allocation_sites): Initializers 
+       * matrix-reorg.c (transform_allocation_sites): Initializers
        added to avoid the warning.
 
 2008-09-25  Martin Jambor  <mjambor@suse.cz>
        ALLOCNO_EXCESS_PRESSURE_POINTS_NUM instead of frequencies and
        range lengths.  Get rid off doubles.
        (ira_fast_allocations): Call start_allocno_priorities.
-       
+
 2008-09-22  David Daney  <ddaney@avtrex.com>
 
        PR target/37593
 
 2008-09-22  Danny Smith  <dannysmith@users.sourceforge.net>
 
-       PR target/37528 
+       PR target/37528
        * config/i386/t-cygming (SHLIB_LC): Remove.
        (SHLIB_LINK): Don't add static objects to SHLIB_IMPLIB
        * config/i386/t-cygwin (SHLIB_LC): Specify all required libraries.
        * targhooks.c (default_ira_cover_classes): New function.
 
 2008-09-19  Bob Wilson  <bob.wilson@acm.org>
-       
+
        * config/xtensa/xtensa.md (reload<mode>_literal): Handle MEM operands.
-       
+
 2008-09-19  Ian Lance Taylor  <iant@google.com>
 
        * varasm.c (narrowing_initializer_constant_valid_p): Return
        (load_tp, set_tp, tls_func, tls_arg, tls_call): New.
        * config/xtensa/xtensa-protos.h (xtensa_tls_referenced_p): Declare.
        * configure: Regenerated.
-       
+
 2008-09-18  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR target/37394
        PR tree-optimization/37102
        * tree-outof-ssa.c (remove_gimple_phi_args): Remove all the PHI args
        from a node. Check to see if another PHI is dead.
-       (eliminate_useless_phis): Rename from eliminate_virtual_phis and 
+       (eliminate_useless_phis): Rename from eliminate_virtual_phis and
        remove real PHIs which have no uses.
        (rewrite_out_of_ssa): Call eliminate_useless_phis.
 
index 4cd961c..86392f4 100644 (file)
@@ -361,7 +361,7 @@ frob_update_context (struct _Unwind_Context *context, _Unwind_FrameState *fs ATT
         we have no good way to determine at compile time what to do.  */
       unsigned int *insn
        = (unsigned int *) _Unwind_GetGR (context, R_LR);
-      if (*insn == 0xE8410028)
+      if (insn && *insn == 0xE8410028)
        _Unwind_SetGRPtr (context, 2, context->cfa + 40);
     }
 #endif