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linux-unwind.h (frob_update_context): Check for NULL lr.

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* config/rs6000/linux-unwind.h (frob_update_context): Check for
NULL lr.

From-SVN: r142473
This commit is contained in:
Andreas Schwab 2008-12-05 13:57:45 +00:00
parent 118f7432df
commit a4ab962917
2 changed files with 65 additions and 60 deletions
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123
gcc/ChangeLog
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@ -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.
@ -70,16 +75,16 @@
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>
@ -100,8 +105,8 @@
* 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,
@ -151,12 +156,12 @@
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.
@ -185,7 +190,7 @@
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.
@ -699,13 +704,13 @@
(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
@ -714,7 +719,7 @@
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
@ -749,7 +754,7 @@
(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.
@ -779,7 +784,7 @@
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>
@ -873,7 +878,7 @@
* 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
@ -1023,7 +1028,7 @@
(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
@ -1240,7 +1245,7 @@
* 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>
@ -1280,7 +1285,7 @@
* 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
@ -1343,7 +1348,7 @@
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
@ -1358,7 +1363,7 @@
PR target/26397
* config/rs6000/aix.h (LIBSTDCXX_STATIC): Define.
2008-11-06 Kazu Hirata <kazu@codesourcery.com>
PR target/35574
@ -1383,7 +1388,7 @@
* 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.
@ -1521,7 +1526,7 @@
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:
@ -1670,7 +1675,7 @@
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
@ -1713,7 +1718,7 @@
* 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
@ -1796,14 +1801,14 @@
* 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.
@ -1828,7 +1833,7 @@
* 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
@ -1953,7 +1958,7 @@
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.
@ -2065,7 +2070,7 @@
* 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
@ -2185,14 +2190,14 @@
* 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.
@ -2344,7 +2349,7 @@
* 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,
@ -2389,7 +2394,7 @@
(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.
@ -2400,7 +2405,7 @@
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.
@ -2429,7 +2434,7 @@
(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,
@ -2453,7 +2458,7 @@
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>
@ -2605,7 +2610,7 @@
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
@ -3006,7 +3011,7 @@
(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
@ -3289,7 +3294,7 @@
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".
@ -3346,7 +3351,7 @@
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 ..
@ -3714,7 +3719,7 @@
(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.
@ -3740,7 +3745,7 @@
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>
@ -3960,7 +3965,7 @@
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
@ -4010,7 +4015,7 @@
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.
@ -4124,9 +4129,9 @@
* 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
@ -4181,7 +4186,7 @@
(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
@ -4303,7 +4308,7 @@
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.

2
gcc/config/rs6000/linux-unwind.h
View 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