2007-09-10 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
Change mode macro in the last real_2expN parameter to uppercase.
From-SVN: r128326
2007-09-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33370
* trans-expr.c (copyable_array_p): Add tests that expression
is a variable, that it has no subreferences and that it is a
full array.
(gfc_trans_assignment): Change conditions to suit modifications
to copyable_array_p.
2007-09-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/33370
* gfortran.dg/array_memcpy_5.f90: New test.
From-SVN: r128325
* tree-pass.h (pass_cselim): Declare new pass.
* passes.c (init_optimization_passes): Link in pass_cselim.
* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
cond_store_replacement.
(condstoretemp): New static variable.
(cond_store_replacement): New function.
(tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
tree_ssa_phiopt_worker.
(struct name_to_bb): New.
(get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
nt_init_block, nt_fini_block): New static functions.
(seen_ssa_names, nontrap_set): New static variables.
(gate_cselim, pass_cselim): Define new pass.
* common.opt (ftree-cselim): New flag.
* toplev.c (process_options): Set flag_tree_cselim if required.
From-SVN: r128324
2007-09-09 Andreas Tobler <a.tobler@schweiz.org>
PR libgcj/33326
* testsuite/lib/libjava.exp (libjava_arguments): Append the test spec
only for linux targets.
From-SVN: r128302
2007-09-09 Richard Guenther <rguenther@suse.de>
* tree-ssa-operands.c (add_virtual_operand): Only mark
stores as has_volatile_ops if alias information is not available.
* gcc.c-torture/compile/20070906-1.c: New testcase.
From-SVN: r128300
* tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
stmt_vinfo_set_outside_of_loop_cost): New functions.
* tree-vect-transform.c (vect_get_cost_fields): Remove.
(vect_model_simple_cost): Call
stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
field instead of calling vect_get_cost_fields.
(vect_model_store_cost, vect_model_load_cost): Likewise.
From-SVN: r128294
* 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.
From-SVN: r128289
* 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.
From-SVN: r128287
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.
From-SVN: r128284
2007-09-08 Richard Guenther <rguenther@suse.de>
* tree-tailcall.c (find_tail_calls): If we don't have aliases
computed check stmt_ann->references_memory instead of counting
virtual operands.
From-SVN: r128276
2007-09-09 Segher Boessenkool <segher@kernel.crashing.org>
* cse.c (fold_rtx): Use validate_unshare_change() instead of
validate_change() in one more case.
From-SVN: r128275
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.
* gcc.dg/tree-ssa/loop-31.c: New test.
From-SVN: r128272
