(prologue): Use (const_int 0) as never generated filler insn.
(epilogue): Ditto.
(sibcall_epilogue): Ditto.
(eh_return_si): Ditto.
(eh_return_di): Ditto.
(add<mode>3): Rename from adddf3 and addsf3. Macroize expander
using MODEF mode iterator.
(sub<mode>3): Rename from subdf3 and subsf3. Macroize expander
using MODEF mode iterator.
(mul<mode>3): Rename from muldf3 and mulsf3. Macroize expander
using MODEF mode iterator.
(nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
Macroize expander using MODEF mode iterator.
Ira Rosen [Sun, 9 Sep 2007 08:46:12 +0000 (08:46 +0000)]
tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
* tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
(struct _slp_tree, struct _slp_instance): Define new data structures
along macros for their access.
(struct _loop_vec_info): Define new fields: strided_stores,
slp_instances, and slp_unrolling_factor along macros for their access.
(enum slp_vect_type): New.
(struct _stmt_vec_info): Define new field, slp_type, and macros for its
access.
(STMT_VINFO_STRIDED_ACCESS): New macro.
(vect_free_slp_tree): Declare.
(vectorizable_load): Add an argument of type slp_tree.
(vectorizable_store, vectorizable_operation, vectorizable_conversion,
vectorizable_assignment): Likewise.
(vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
Declare (make extern).
* tree-vectorizer.c (new_stmt_vec_info): Initiliaze the new field.
(new_loop_vec_info): Likewise.
(destroy_loop_vec_info): Free memory allocated for SLP structures.
* tree-vect-analyze.c: Include recog.h.
(vect_update_slp_costs_according_to_vf): New.
(vect_analyze_operations): Add argument for calls to vectorizable_ ()
functions. For not pure SLP stmts with strided access check that the
group size is power of 2. Update the vectorization factor according to
SLP. Call vect_update_slp_costs_according_to_vf.
(vect_analyze_group_access): New.
(vect_analyze_data_ref_access): Call vect_analyze_group_access.
(vect_free_slp_tree): New functions.
(vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
vect_detect_hybrid_slp): Likewise.
(vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
and vect_detect_hybrid_slp.
* tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
SLP costs into account.
(vect_get_cost_fields): New function.
(vect_model_simple_cost): Make extern, add SLP parameter and handle
SLP.
(vect_model_store_cost, vect_model_load_cost): Likewise.
(vect_get_constant_vectors): New function.
(vect_get_slp_vect_defs, vect_get_slp_defs,
vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
vect_get_vec_defs): Likewise.
(vectorizable_reduction): Don't handle SLP for now.
(vectorizable_call): Don't handle SLP for now. Add argument to
vect_model_simple_cost.
(vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
get SLPed and vectorized defs). Fix indentation and spacing.
(vectorizable_assignment): Handle SLP.
(vectorizable_induction): Don't handle SLP for now.
(vectorizable_operation): Likewise.
(vectorizable_type_demotion): Add argument to
vect_model_simple_cost.
(vectorizable_type_promotion): Likewise.
(vectorizable_store, vectorizable_load): Handle SLP.
(vectorizable_condition): Don't handle SLP for now.
(vect_transform_stmt): Add a new argument for SLP. Check that there is
no SLP transformation required for unsupported cases. Add SLP
argument for supported cases.
(vect_remove_stores): New function.
(vect_schedule_slp_instance, vect_schedule_slp): Likewise.
(vect_transform_loop): Schedule SLP instances.
* Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
* doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
Similar for what label_refs can go in the JUMP_TARGET field. Split
REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
* reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
REG_LABEL when replacing an operand with a LABEL_REF for a
non-jump insn.
(subst_reloads): When replacing a LABEL_REG with a register,
instead of generating a REG_LABEL note, assert that there already
is one or that the label is a known target for the insn.
* rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
note, check the JUMP_LABEL field. Remove "else" after return.
* reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
(fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
insns. Iterate over all notes; don't assume there's only one.
* cse.c (recorded_label_ref): Adjust comment to refer to
REG_LABEL_OPERAND.
(cse_extended_basic_block): Do LABEL_REF check for all INSN_P
insns, not just NONJUMP_INSN_P.
(check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
isn't a jump target.
* jump.c (rebuild_jump_labels): Adjust head comment.
(init_label_info): Ditto. Remove REG_LABEL_OPERAND notes only;
don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
(mark_all_labels): For JUMP_P insns without a target, check if the
the target is noted on the previous nonjump insn.
(mark_jump_label_1): New function, guts from mark_jump_label.
<case IF_THEN_ELSE>: Handle first operand as a non-target when
marking jump target labels.
<case LABEL_REF>: Adjust for whether to generate a
REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
For 'E' format rtl, iterate in descending element order.
(delete_related_insns): Handle both REG_LABEL_TARGET and
REG_LABEL_OPERAND notes. For JUMP_P insns with labels with zero
reference count, delete and fallthrough. Move finding-next-
non-deleted insn last in the function. Look at all INSN_P insns
for REG_LABEL_OPERAND notes.
(redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
JUMP.
* print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
JUMP_LABEL, output the INSN_UID of it.
* gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
and/or REG_LABEL_TARGET.
(add_label_notes): Only add REG_LABEL_OPERAND notes. Put in line
with jump.c copy by only adding notes for labels actually
referenced in the insn.
* emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
usage count increment; handle all INSN_P trial insns.
(emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
notes.
* rtl.h (struct rtx_def) <volatil>: Adjust to mention
REG_LABEL_TARGET and REG_LABEL_OPERAND.
(LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
REG_LABEL_OPERAND.
* combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
JUMP_P insns and REG_LABEL_OPERAND everywhere.
* sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
on all INSN_P insns.
* reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
* cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
REG_LABEL_OPERAND notes.
* reload1.c (calculate_needs_all_insns): Adjust comments.
(set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
* config/alpha/alpha.md (split for load of an address into a
four-insn sequence on Unicos/Mk): Adjust to use
REG_LABEL_OPERAND.
* config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
revert: regrename.c (copyprop_hardreg_forward_1): New variable next.
Revert:
2007-09-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
* regrename.c (copyprop_hardreg_forward_1): New variable next. Use
FOR_BB_INSNS_SAFE instead of for loop.
* cse.c (cse_extended_basic_block): Likewise.
* postreload.c (reload_cse_regs_1): New variable next. Make sure
that the for loop does not invoke NEXT_INSN on a deleted insn.
* function.c (instantiate_virtual_regs): Likewise.
* lower-subreg.c (remove_retval_note): Likewise.
(decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
FOR_BB_INSNS.
* emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
a deleted insn.
* cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
insn, if it's a jump.
(try_redirect_by_replacing_jump): New variable jump_p. Call
tablejump_p before delete_insn_chain.
* reload1.c (reload): New variable next. Make sure that the for
loop does not invoke NEXT_INSN on a deleted insn.
(fixup_eh_region_note): Make the loop terminate if i becomes NULL.
(delete_output_reload): New variable prev. Make sure the the for
loops do not invoke PREV_INSN on a deleted insn.
re PR rtl-optimization/32283 (Missed induction variable optimization)
PR tree-optimization/32283
* tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
estimated_loop_iterations.
(determine_use_iv_cost_condition): Decrease cost of expressions
used in iv elimination.
re PR target/33329 (ICE in expand_simple_binop, at optabs.c:1294)
PR target/33329
PR target/26449
* config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
(*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
split1 pass.
(mulv16qi3): Implement as define_insn_and_split pattern instead of
define_expand, to split insn in split1 pass.
(mulv2di3): Ditto.
testsuite/ChangeLog:
PR target/33329
PR target/26449
* gcc.target/i386/pr33329.c: New file.
Eric Botcazou [Sat, 8 Sep 2007 10:30:06 +0000 (10:30 +0000)]
decl.c (gnat_to_gnu_entity): Simplify the condition under which a constant renaming is treated as a normal...
* decl.c (gnat_to_gnu_entity) <Object>: Simplify the condition under
which a constant renaming is treated as a normal object declaration.
* trans.c (lvalue_required_p) <N_Slice>: New case, extracted from
the N_Indexed_Component case.
<N_Indexed_Component>: Fall through to above case.
<N_Object_Renaming_Declaration>: Return true for all composite types.
re PR tree-optimization/32183 (reassoc2 can more extra calculations into a loop)
2007-09-07 Zdenek Dvorak <ook@ucw.cz>
PR tree-optimization/32183
* Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
* tree-ssa-reassoc.c: Include cfgloop.h.
(is_reassociable_op): Add a loop argument and return true only
for inside loop.
(linearize_expr): Updated.
(should_break_up_subtract): Likewise.
(linearize_expr_tree): Likewise.
(init_reassoc): Call loop_optimizer_init with
AVOID_CFG_MODIFICATIONS. Remove calculate_dominance_info call
with CDI_DOMINATORS.
(fini_reassoc): Call loop_optimizer_finalize.
Eric Botcazou [Fri, 7 Sep 2007 19:57:59 +0000 (19:57 +0000)]
Re-apply accidentally reverted change:
2007-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
* raise-gcc.c (get_region_description_for, get_call_site_action_for,
get_action_description_for): Replace _Unwind_Word with _uleb128_t
and _Unwind_SWord with _sleb128_t.
re PR tree-optimization/32586 (New VN misses FRE opportunities)
2007-09-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function. Do tree combining
on conversion like codes.
(try_to_simplify): Call it.
Roman Zippel [Fri, 7 Sep 2007 16:46:23 +0000 (16:46 +0000)]
function.h (struct function): Rename calls_unwind_init to saves_all_registers.
* function.h (struct function): Rename calls_unwind_init
to saves_all_registers.
(current_function_saves_all_registers): Renamed from
current_function_calls_unwind_init.
* reload1.c (reload): Set current_function_saves_all_registers.
* except.c (expand_builtin_unwind_init): Likewise.
* config/m68k/m68k.c (m68k_save_reg): Use
current_function_saves_all_registers to save pic register.
Diego Novillo [Fri, 7 Sep 2007 16:38:46 +0000 (12:38 -0400)]
tree-flow.h (const_block_stmt_iterator): Remove.
* tree-flow.h (const_block_stmt_iterator): Remove.
Update all users to use block_stmt_iterator.
* tree-iterator.h (const_tree_stmt_iterator): Remove.
Update all users to use tree_stmt_iterator.
re PR tree-optimization/33299 (miscompilation with gfortran -O2 -ffast-math -ftree-vectorize)
PR tree-optimization/33299
* tree-vect-transform.c (vect_create_epilog_for_reduction): Update uses
for all relevant loop-exit phis, not just the first.
revert: re PR tree-optimization/32586 (New VN misses FRE opportunities)
2007-09-07 Richard Guenther <rguenther@suse.de>
Revert
2007-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function. Do tree combining
on conversion like codes.
(try_to_simplify): Call it.
mips.c (build_mips16_call_stub): Emit all direct float calls here, rather than leaving some to the caller.
gcc/
* config/mips/mips.c (build_mips16_call_stub): Emit all direct
float calls here, rather than leaving some to the caller.
Use call_internal_direct and call_value_internal_direct.
* config/mips/mips.md (call_internal_direct): New pattern.
(call_value_internal_direct): Likewise.
mips.c (mips_base_move_loop_invariants): New variable.
gcc/
* config/mips/mips.c (mips_base_move_loop_invariants): New variable.
(mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
to 0 for MIPS16.
(override_options): Set mips_base_move_loop_invariants.
gcc/
* doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
and -mgpopt options. Adjust the -G documentation to match.
* config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
* config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
function, split out from mips_classify_symbol. Return false for
!TARGET_LOCAL_SDATA.
(mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
(override_options): Check whether the -mgpopt setting is consistent
with the other flags.
(symbolic_expression_p): Delete.
(mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
and default_elf_select_rtx_section.
(mips_in_small_data_p): Honor section attributes for MIPS16 too.
Return false for local data unless TARGET_LOCAL_SDATA. Likewise
external data and TARGET_EXTERN_SDATA.
gcc/testsuite/
* gcc.dg/attr-alias-3.c: Use real asm for MIPS.
* gcc.target/mips/mips.exp (setup_mips_tests): Set mips_forced_gp
and mips_forced_no_er.
(dg-mips-options): Add -mno-abicalls when a small-data option is
specified. Skip tests with small-data options if mips_forced_gp.
Skip tests with -mexplicit-relocs if mips_forced_no_er.
* gcc.target/mips/sdata-1.c: New test.
* gcc.target/mips/sdata-2.c: Likewise.
* gcc.target/mips/sdata-3.c: Likewise.
* gcc.target/mips/sdata-4.c: Likewise.
* regrename.c (copyprop_hardreg_forward_1): New variable next. Use
FOR_BB_INSNS_SAFE instead of for loop.
* cse.c (cse_extended_basic_block): Likewise.
* postreload.c (reload_cse_regs_1): New variable next. Make sure
that the for loop does not invoke NEXT_INSN on a deleted insn.
* function.c (instantiate_virtual_regs): Likewise.
* lower-subreg.c (remove_retval_note): Likewise.
(decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
FOR_BB_INSNS.
* emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
a deleted insn.
* cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
insn, if it's a jump.
(try_redirect_by_replacing_jump): New variable jump_p. Call
tablejump_p before delete_insn_chain.
* reload1.c (reload): New variable next. Make sure that the for
loop does not invoke NEXT_INSN on a deleted insn.
(fixup_eh_region_note): Make the loop terminate if i becomes NULL.
(delete_output_reload): New variable prev. Make sure the the for
loops do not invoke PREV_INSN on a deleted insn.
* cgraphbuild.c (rebuild_cgraph_edges): Export.
* cgraph.h (rebuild_cgraph_edges): Declare.
* tree-pass.h (pass_expand_omp_ssa): New.
* omp-low.c (find_omp_clause): Export.
(copy_var_decl): Split from omp_copy_decl_2.
(build_omp_barrier): Return the call to emit instead of emitting
it directly.
(lower_rec_input_clauses, expand_omp_single): Gimplify the result of
build_omp_barrier.
(extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
expand_omp_for_generic, expand_omp_for_static_nochunk,
expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
Adapted to work on SSA form.
(execute_expand_omp): Do not invalidate dominance information.
(gate_expand_omp): Do not run with -fopenmp-ssa flag.
(gate_expand_omp_ssa, pass_expand_omp_ssa): New.
* gimplify.c (gimplify_omp_for): Ensure that the control variable is
a gimple_reg.
(force_gimple_operand): Allow gimplifying code expressions without
value.
* tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
* common.opt (fopenmp-ssa): New.
* tree-flow.h (find_omp_clause, copy_var_decl): Declare.
* Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
* tree-cfg.c: Include tree-inline.h.
(struct move_stmt_d): Replace vars_to_remove by vars_map field.
(replace_by_duplicate_decl, replace_ssa_name,
mark_virtual_ops_in_region): New functions.
(move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
to work on SSA form.
* passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
* tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
constructs.
Paolo Carlini [Fri, 7 Sep 2007 01:37:31 +0000 (01:37 +0000)]
stl_vector.h (_Vector_base<>::_M_allocate): Do not call _M_impl.allocate when __n == 0.
2007-09-06 Paolo Carlini <pcarlini@suse.de>
* include/bits/stl_vector.h (_Vector_base<>::_M_allocate):
Do not call _M_impl.allocate when __n == 0.
* testsuite/23_containers/vector/zero_sized_allocations.cc: New.
* tree-loop-linear.c: Include obstack.h.
(linear_transform_loops): New obstack lambda_obstack.
Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
and free afterwards.
* lambda.h (struct obstack): New forward declaration.
(lambda_linear_expression_new): New parameter of type struct
obstack *.
(lambda_loopnest_new): Likewise.
(lambda_loopnest_transform): Likewise.
(lambda_body_vector_new): Likewise.
(lambda_body_vector_compute_new): Likewise.
(gcc_loopnest_to_lambda_loopnest): Likewise.
(lambda_loopnest_to_gcc_loopnest): Likewise.
* lambda-code.c: Include obstack.h.
(lambda_lattice_new): New parameter lambda_obstack. Use it for
allocation of ret.
(lambda_body_vector_new): Likewise.
(lambda_linear_expression_new): Likewise.
(lambda_lattice_new): Likewise.
(lambda_loopnest_new): Likewise. Additionally use obstack to
allocate LN_LOOPS(ret).
(lambda_lattice_compute_base): New parameter lambda_obstack. Pass
it to lambda_lattice_new.
(lambda_body_vector_compute_new): New parameter lambda_obstack.
Pass it to lambda_body_vector_new.
(lambda_lattice_compute_base): New paramater lambda_obstack. Pass
it to lambda_lattice_new.
(compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
Pass it to lambda_loopnest_new, lambda_linear_expression_new.
(lambda_compute_target_space): Likewise.
(lambda_compute_auxillary_space): New parameter lambda_obstack.
Pass it to lambda_lattice_compute_base and
compute_nest_using_fourieer_motzkin.
(lambda_loopnest_transform): New parameter lambda_obstack. Pass
it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
and lambda_lattice_compute_target_space.
(gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
Pass it to lambda_linear_expression_new.
(gcc_loop_to_lambda_loop): New parameter lambda_obstack. Pass it
to gcc_tree_to_linear_expression.
(gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
(lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
Pass it to lambda_body_vector_new and
lambda_body_vector_compute_new.
* Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
(lambda-code.o): Likewise.
Thomas Koenig [Thu, 6 Sep 2007 19:25:30 +0000 (19:25 +0000)]
re PR libfortran/33298 (Wrong code for SPREAD on zero-sized arrays)
2007-09-06 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/33298
* intrinsics/spread_generic.c(spread_internal): Enable
bounds checking by comparing extents if the bounds_check
option has been set. If any extent is <=0, return early.
2007-09-06 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/33298
* spread_zerosize_1.f90: New test case.
* spread_bounds_1.f90: New test case.
re PR target/33256 (internal compiler error: in print_operand_reloc, at config/mips/mips.c:5579)
gcc/
PR target/33256
* config/mips/mips.c (mips_classify_symbolic_expression): New function.
(mips_classify_address): Use it instead of mips_symbolic_constant_p.
(print_operand_reloc): Likewise.
gcc/testsuite/
200x-xx-xx David Daney <ddaney@avtrex.com>
Richard Sandiford <richard@codesourcery.com>
PR target/33256
* gcc.target/mips/mips.exp (setup_mips_tests): Set mips_forced_le.
(dg-mips-options): Skip -EB and -meb tests when $mips_forced_le.
* gcc.target/mips/pr33256.c: New test.
Roman Zippel [Thu, 6 Sep 2007 16:39:58 +0000 (16:39 +0000)]
boehm.c: Don't use bitmap as gc_descr if pointer is misaligned.
gcc/java/
2007-09-06 Roman Zippel <zippel@linux-m68k.org>
* boehm.c: Don't use bitmap as gc_descr if pointer is misaligned.
libjava/
2007-09-06 Roman Zippel <zippel@linux-m68k.org>
* sysdep/m68k/locks.h: New file.
* configure.host: Set sysdeps_dir and libgcj_interpreter for m68k.
* configure.ac: Set SIGNAL_HANDLER for m68*-*-linux*.
* configure: Regenerate.
re PR tree-optimization/32586 (New VN misses FRE opportunities)
2007-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function. Do tree combining
on conversion like codes.
(try_to_simplify): Call it.
* builtins.c (fold_builtin_cexp): Fold the built expressions.
* fold-const.c (fold_unary): Test result of get_callee_fndecl().
re PR tree-optimization/33302 (dead-store not eliminated)
2007-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33302
* tree-ssa-dse.c (tree_ssa_dse): Connect infinite loops
to the exit block before doing the post-dominator walk.
* domwalk.c (walk_dominator_tree): The exit block is
interesting even if it is not reachable.
Jason Merrill [Thu, 6 Sep 2007 01:24:59 +0000 (21:24 -0400)]
re PR c++/15097 (code generator problem with ::delete and multiple inheritance and virtual deconstructs)
PR c++/15097
* init.c (build_delete): Use build_headof to get the address of the
complete object if we aren't using the deleting destructor.
* rtti.c (build_headof): No longer static.
* cp-tree.h: Declare it.
Jerry DeLisle [Thu, 6 Sep 2007 01:20:02 +0000 (01:20 +0000)]
re PR libfortran/33253 (namelist: reading back a string with apostrophe)
2007-09-05 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/33253
* io/write.c (nml_write_obj): Set the delimiter correctly before calling
write_character. (namelist_write): Clean up the code a little and add
comments to clarify what its doing.
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