2009-10-23 Richard Guenther <rguenther@suse.de>
PR tree-optimization/41778
* tree-ssa-pre.c (do_regular_insertion): Only insert if a
redundancy along a path in the CFG we want to optimize for speed
is going to be removed.
(execute_pre): Do partial-PRE only if the function is to be
optimized for speed.
(gate_pre): Do not turn off all of PRE when not optimizing a
function for speed.
* gcc.dg/tree-ssa/ssa-pre-26.c: New testcase.
From-SVN: r153491
* ira-lives.c (process_single_reg_class_operands): Update the
hard reg costs for all the hard registers desired by the single
reg class operand.
From-SVN: r153487
gcc/
* rtl.h (shallow_copy_rtvec): Declare.
* rtl.c (shallow_copy_rtvec): New function.
* cselib.c (cselib_subst_to_values): Use it. Only modify an
rtx field if the subrtx has changed.
From-SVN: r153475
2009-10-22 Richard Guenther <rguenther@suse.de>
PR cp-tools/39177 * tools/gnu/classpath/tools/jar/Creator.java
(writeCommandLineEntries):
Do not use uninitialized manifest.
* tools/classes/gnu/classpath/tools/jar/Creator.class: Re-generated.
From-SVN: r153461
2009-10-22 Richard Guenther <rguenther@suse.de>
* lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
* lto-symtab.c (struct lto_symtab_entry_def): Add node member.
(lto_symtab_merge): Do not merge cgraph nodes here.
(lto_symtab_resolve_can_prevail_p): Simplify.
(lto_symtab_resolve_symbols): Store cgraph node.
(lto_symtab_merge_decls_1): Simplify. Do not drop non-prevailing
functions from the symtab.
(lto_symtab_merge_cgraph_nodes_1): New function.
(lto_symtab_merge_cgraph_nodes): Likewise.
lto/
* lto.c (lto_fixup_jump_functions): Remove.
(lto_fixup_decls): Do not fixup jump functions.
(read_cgraph_and_symbols): Schedule cgraph merging after
summary reading. Schedule type and decl fixup before
summary reading.
From-SVN: r153460
2009-10-22 Razya Ladelsky <razya@il.ibm.com>
* cfgloopmanip.c (duplicate_subloops): Export.
* tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
(transform_to_exit_first_loop): Duplicate bbs starting from
header up to loop->latch instead of exit->src.
Initialize control variable to the correct number of iterations.
(gather_scalar_reductions): Do not register double reductions.
(parallelize_loops): Dump which loop is tested.
Indicate whether the parallelized loop is inner or not.
Remove the innermost-loop requirement.
* cfgloop.h (duplicate_subloops): Export.
* tree-cfg.c (add_phi_args_after_redirect): New function.
(gimple_duplicate_sese_tail): Remove the no-subloops constraint.
Call duplicate_subloops.
Update number of iterations at the exit condition.
Don't redirect nexits always to the loop exit.
Redirect copied edges from latch to the loop exit.
* testsuite/libgomp.graphite/force-parallel-2.c: Adjust scan.
* testsuite/gcc.dg/autopar/outer-1.c: New testcase.
* testsuite/gcc.dg/autopar/outer-2.c: New testcase.
* testsuite/gcc.dg/autopar/outer-3.c: New testcase.
* testsuite/gcc.dg/autopar/outer-4.c: New testcase.
* testsuite/gcc.dg/autopar/outer-5.c: New testcase.
* testsuite/gcc.dg/autopar/outer-6.c: New testcase.
From-SVN: r153457
* ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
(pass_ipa_cp): Register them.
(ipcp_init_stage): Analyze all functions for whopr/lto.
(ipcp_propagate_stage): Skip external calls.
(ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
* ipa-reference.c (write_node_summary_p): Fix thinko about availability.
* cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
when in ltrans, skip executing of ipa passes since everything should've
been done.
* ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
(inline_generate_summary): Likewise.
(inline_read_summary): New function.
(inline_write_summary): New function.
(pass_ipa_inline): Register new hooks.
* ipa-prop.c: Inlcude lto-streamer.h
(ipa_edge_args_vector): Update declaration.
(ipa_count_arguments, ipa_compute_jump_functions,
ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
(ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
ipa_read_node_info): New static functions.
(ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
(duplicate_array): Use xmalloc.
(duplicate_ggc_array): New.
(ipa_edge_duplication_hook): Use it.
(ipa_update_after_lto_read): New function.
* ipa-prop.h (ipa_prop_write_jump_functions,
ipa_prop_read_jump_functions): Declare.
(ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
(ipa_edge_args_vector): Move into GGC.
(ipa_check_create_edge_args): Update.
(ipa_update_after_lto_read): New.
* passes.c (ipa_write_summaries_1): When in wpa, do not write summaries.
(ipa_read_summaries): When in ltrans, so not read summaries.
* lto-streamer.c (lto_get_section_name): Add LTO_section_jump_functions.
* lto-streamer.h (LTO_section_jump_functions): New section.
(produce_asm): Declare.
* lto-cgraph.c (output_cgraph): Output edges in reverse order.
* lto-streamer-out.c (produce_asm): Export.
* lto-streamer-in.c: Include tree-pass.h
(input_function): Free dominance info when done.
(lto_read_body): Push ipa_inline in ltrans stage.
* gengtype.c (open_base_files): Add ipa-prop.h into includes.
* Makefile.in (GTFILES): Add ipa-prop.h
* lto.c (lto_fixup_jump_functions): New function.
(lto_fixup_decls): Use it.
From-SVN: r153449
2009-10-22 Richard Guenther <rguenther@suse.de>
* configure.ac: Do not set LIBS for ppl/cloog checks. Disable
cloog if the ppl version check failed. Move flags saving
before setting in libelf check.
* configure: Regenerate.
From-SVN: r153447
2009-10-22 Janus Weil <janus@gcc.gnu.org>
PR fortran/41781
* resolve.c (resolve_codes): Don't clear 'cs_base' for BLOCK constructs,
to make sure labels are treated correctly.
* symbol.c (gfc_get_st_label): Create labels in the right namespace.
For BLOCK constructs go into the parent namespace.
2009-10-22 Janus Weil <janus@gcc.gnu.org>
PR fortran/41781
* gfortran.dg/goto_8.f90: New test case.
From-SVN: r153446
PR tree-optimization/41497
* tree-scalar-evolution.c (analyze_evolution_in_loop): Return
chrec_dont_know if the evolution function returned by follow_ssa_edge
is constant in the analyzed loop and is not compatible with the
initial value before the loop.
* tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
* gcc.dg/tree-ssa/pr41497.c: New.
From-SVN: r153441
* mangle.c (finish_mangling_get_identifier): Use
obstack_base (mangle_obstack) instead of name_base.
* g++.dg/abi/mangle33.C: New test.
From-SVN: r153059
2009-10-21 Jack Howarth <howarth@bromo.med.uc.edu>
PR c++/41313
* gcc/config/darwin10.h: Use default_emit_unwind_label.
* gcc/config/darwin.c: Disable -freorder-blocks-and-partition
when darwin_emit_unwind_label is used.
From-SVN: r153057
2009-10-21 Richard Guenther <rguenther@suse.de>
* configure.ac: Adjust the ppl and cloog configure to work as
documented. Disable cloog if ppl was disabled. Omit the version
checks if they were disabled.
* configure: Re-generate.
From-SVN: r153055
* gcc-interfaces/decl.c (gnat_to_gnu_entity): Do not create a new
TYPE_DECL when a type is padded if there is already one and reset
TYPE_STUB_DECL in this case.
From-SVN: r153053
* config/mips/mips.c (mips_binary_cost): Add new argument speed.
Use when calling rtx_costs.
(mips_rtx_costs): Fix formatting. Use argument speed rather than the
global optimize_size. Pass speed to mips_binary_cost.
From-SVN: r153041
2009-10-20 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/41763
* include/bits/valarray_array.h (__valarray_default_construct,
__valarray_fill_construct, __valarray_copy_construct, __valarray_sum
__valarray_destroy_elements, __valarray_product): Do not qualify with
__restrict__ pointers accessing data also accessed by other pointers.
From-SVN: r153039
gcc/
* rtl.h (simplify_replace_fn_rtx): Declare.
(wrap_constant, unwrap_constant): Delete.
* cfgexpand.c (unwrap_constant, wrap_constant): Delete.
(expand_debug_expr): Don't call wrap_constant.
* combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
(auto_adjust_pair): Fold into...
(propagate_for_debug_subst): ...here. Only define for AUTO_INC_DEC.
Just return a new value.
(propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
otherwise use simplify_replace_rtx.
* cselib.c (wrap_constant): Reinstate old definition.
(cselib_expand_value_rtx_1): Don't wrap constants.
* gcse.c (try_replace_reg): Don't use copy_rtx in the call to
simplify_replace_rtx.
(bypass_block): Fix formatting in calls to simplify_replace_rtx.
* reload1.c (reload): Skip all uses for an insn before adjusting it.
Use simplify_replace_rtx.
* simplify-rtx.c (simplify_replace_fn_rtx): New function,
adapted from...
(simplify_replace_rtx): ...here. Turn into a wrapper for
simplify_replace_fn_rtx.
(simplify_unary_operation): Don't unwrap CONSTs.
* var-tracking.c (check_wrap_constant): Delete.
(vt_expand_loc_callback): Don't call it.
(vt_expand_loc): Likewise.
From-SVN: r153037
