Jan Hubicka [Fri, 3 Sep 2010 09:58:21 +0000 (11:58 +0200)]
passes.c (rest_of_decl_compilation): Do not add local vars into varpol.
* passes.c (rest_of_decl_compilation): Do not add local vars into varpol.
* varpool.c (varpool_get_node, varpool_node): Sanity check that only
static or extern vars are in varpool.
(varpool_finalize_decl): Sanity check that only static vars are finalized.
Daniel Kraft [Fri, 3 Sep 2010 08:01:51 +0000 (10:01 +0200)]
re PR fortran/44602 ([F2008] EXIT: Jump to end of construct)
2010-09-03 Daniel Kraft <d@domob.eu>
PR fortran/44602
* gfortran.h (struct gfc_code): Renamed `whichloop' to
`which_construct' as this is no longer restricted to loops.
* parse.h (struct gfc_state_data): New field `construct'.
* match.c (match_exit_cycle): Handle EXIT from non-loops.
* parse.c (push_state): Set `construct' field.
* resolve.c (resolve_select_type): Extend comment.
* trans-stmt.c (gfc_trans_if): Add exit label.
(gfc_trans_block_construct), (gfc_trans_select): Ditto.
(gfc_trans_simple_do): Store exit/cycle labels on the gfc_code itself.
(gfc_trans_do), (gfc_trans_do_while): Ditto.
(gfc_trans_exit): Use new name `which_construct' instead of `whichloop'.
(gfc_trans_cycle): Ditto.
(gfc_trans_if_1): Use fold_build3_loc instead of fold_build3.
2010-09-03 Daniel Kraft <d@domob.eu>
PR fortran/44602
* gfortran.dg/exit_2.f08; Adapt error messages.
* gfortran.dg/exit_3.f08: New test.
* gfortran.dg/exit_4.f08: New test.
* gfortran.dg/exit_5.f03: New test.
configure.ac (gcc_cv_as_cfi_advance_working): Use objdump instead of readelf in the test.
* configure.ac (gcc_cv_as_cfi_advance_working): Use objdump
instead of readelf in the test.
(gcc_cv_as_cfi_sections_directive): Check for correct relocation
in the .debug_frame section for coff targets.
* configure: Rebuild.
* config/m32c/m32c.h (CLASS_LIKELY_SPILLED_P): Remove.
* config/m32c/m32c-protos.h (m32c_class_likely_spilled_p): Remove.
* config/m32c/m32c.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
(m32c_class_likely_spilled_p): Make static. Change argument type to
reg_class_t. Change result type to bool.
Julian Brown [Thu, 2 Sep 2010 14:46:35 +0000 (14:46 +0000)]
neon.md (UNSPEC_VCLE, [...]): New constants for unspecs.
gcc/
* config/arm/neon.md (UNSPEC_VCLE, UNSPEC_VCLT): New constants for
unspecs.
(vcond<mode>, vcondu<mode>): New expanders.
(neon_vceq<mode>, neon_vcge<mode>, neon_vcgt<mode>): Support
comparisons with zero.
(neon_vcle<mode>, neon_vclt<mode>): New patterns.
* config/arm/constraints.md (Dz): New constraint.
* opts.h (struct cl_option): Add warn_message field.
(struct cl_decoded_option): Add warn_message field.
* doc/options.texi (Ignore, Warn): Document.
* opt-functions.awk (needs_state_p): Don't consider aliases or
ignored options to need state saved.
* optc-gen.awk: Handle Warn and Ignore.
* opth-gen.awk: Output OPT_SPECIAL_ignore.
* opts-common.c (decode_cmdline_option): Set warn_message field.
Handle ignored options.
(decode_cmdline_options_to_array, generate_option,
generate_option_input_file): Set warn_message field.
(read_cmdline_option): Generate warnings from warn_message field.
Handle ignored options.
* common.opt (Wunreachable-code, fargument-alias,
fargument-noalias, fargument-noalias-global,
fargument-noalias-anything, fcse-skip-blocks, fforce-addr,
floop-optimize, frerun-loop-opt, fsched2-use-traces, fsee,
fstrength-reduce, ftree-store-ccp, ftree-store-copy-prop,
ftree-salias): Mark Ignore.
* config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -mcpu,
-mintel-syntax and -mno-intel-syntax here.
* config/i386/i386.opt (mcpu=, mintel-syntax): Define as aliases
using Warn.
* opts.c (common_handle_option): Don't handle options marked as
ignored.
(enable_warning_as_error): Handle ignored options.
c-family:
* c.opt (Wimport, fall-virtual, falt-external-templates,
fdefault-inline, fenum-int-equiv, fexternal-templates,
fguiding-decls, fhonor-std, fhuge-objects, flabels-ok,
fname-mangling-version-, fnew-abi, fnonnull-objects,
foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable,
fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as
applicable.
(fhandle-exceptions): Mark with Alias and Warn.
* c-opts.c (c_common_handle_option): Don't handle options marked
as ignored.
po:
* exgettext: Handle {} in operand of MissingArgError. Handle
Warn.
Joseph Myers [Thu, 2 Sep 2010 11:41:22 +0000 (12:41 +0100)]
re PR driver/44076 (-MT <target> behaves different as -MT<target> (w/o space))
PR driver/44076
* opts.h (struct cl_option): Add alias_arg, neg_alias_arg and
alias_target fields.
* opt-functions.awk (opt_sanitized_name): Don't handle
finline-limit=, Wlarger-than= and ftemplate-depth= specially.
* optc-gen.awk: Generate alias fields.
* opth-gen.awk: Explicitly give values for OPT_* enum constants.
Don't generate such constants for aliases.
* opts-common.c (generate_canonical_option): New.
(decode_cmdline_option): Handle aliases. Use
generate_canonical_option for known options instead of copying the
input option text.
* doc/options.texi (Alias): Document.
* common.opt (W, Wlarger-than-, aux-info=, finline-limit-,
fstack-check, specs): Mark as aliases.
* gcc.c (driver_handle_option): Canonicalize -L options to joined
arguments.
(driver_handle_option): Don't handle OPT_specs.
* opts.c (common_handle_option): Don't handle options marked as
aliases.
(enable_warning_as_error): Handle aliases.
* stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of
OPT_Wlarger_than_eq.
* tree-optimize.c (tree_rest_of_compilation): Use
OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq.
c-family:
* c.opt (Wcomments, Werror-implicit-function-declaration,
ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x,
std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as
aliases.
* c-common.c (option_codes): Use OPT_Wcomment instead of
OPT_Wcomments.
* c-opts.c (warning_as_error_callback, c_common_handle_option):
Don't handle options marked as aliases.
java:
* lang.opt (CLASSPATH, bootclasspath, classpath, encoding,
fCLASSPATH=): Mark as Java options and as aliases.
* jvspec.c (jvgenmain_spec): Don't handle -fCLASSPATH*.
(lang_specific_driver): Don't handle options marked as aliases.
* lang.c (java_handle_option): Don't handle OPT_fCLASSPATH_.
testsuite:
* gcc.dg/cpp/warn-comments-3.c: New. Based on warn-comments-2.c
but using -Werror=comment.
* gcc.dg/cpp/warn-comments.c, gcc.dg/cpp/warn-comments-2.c: Adjust
expected error messages.
re PR fortran/45489 (Default initialization of derived-type function result missing)
2010-09-02 Tobias Burnus <burnus@net-b.de>
PR fortran/45489
* resolve.c (apply_default_init): Mark symbol as referenced,
if it is initialized.
(resolve_symbol): Change intialized check for BT_DERIVED such
that also function results get initialized; remove now obsolete
gfc_set_sym_referenced for BT_CLASS.
ira-color.c (SORTGT): New macro, helper for qsort callbacks.
* ira-color.c (SORTGT): New macro, helper for qsort callbacks.
(allocno_priority_compare_func): Use it instead of a straight
difference computation over priorities.
Ira Rosen [Thu, 2 Sep 2010 06:04:34 +0000 (06:04 +0000)]
tree-vectorizer.h (get_later_stmt): New function.
* tree-vectorizer.h (get_later_stmt): New function.
(vect_analyze_data_ref_dependences): Add argument.
* tree-vect-loop.c (vect_analyze_loop): Update call to
vect_analyze_data_ref_dependences.
* tree-vect-data-refs.c (vect_drs_dependent_in_basic_block):
New function.
(vect_analyze_data_ref_dependence): Add argument for basic block
dependencies. Check dependencies in basic block vectorization.
(vect_analyze_data_ref_dependences): Add argument and update call to
vect_analyze_data_ref_dependences.
* tree-vect-slp.c (vect_find_last_store_in_slp_instance): New.
(vect_bb_vectorizable_with_dependencies): New.
(vect_slp_analyze_bb): Check dependencies in basic block.
(vect_schedule_slp_instance): Insert stores before the last store in
SLP instance.
re PR libstdc++/45488 (lower_bound doesn't really require the iterator parameters to be default constructible)
2010-09-01 Christopher Yeleighton <giecrilj@stegny.2a.pl>
Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/45488
* include/bits/stl_algobase.h (lower_bound): Clean-up a tad, move
two variables inside the main loop.
* include/bits/stl_algo.h (lower_bound, upper_bound, equal_range):
Likewise.
re PR libstdc++/45488 (lower_bound doesn't really require the iterator parameters to be default constructible)
2010-09-01 Christopher Yeleighton <giecrilj@stegny.2a.pl>
Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/45488
* include/bits/stl_algobase.h (lower_bound): Clean-up a tad, move
two variables inside the main loop.
* include/bits/stl_algo.h (lower_bound, upper_bound, equal_range):
Likewise.
Jakub Jelinek [Wed, 1 Sep 2010 19:46:21 +0000 (21:46 +0200)]
re PR middle-end/45458 (ICE: in add_labels_and_missing_jumps, at bb-reorder.c:1306 with-fnon-call-exceptions -freorder-blocks-and-partition -fprofile-use)
PR middle-end/45458
* bb-reorder.c (add_labels_and_missing_jumps): Treat
bbs ending with throwing insns like blocks ending with a call.
(fix_up_fall_thru_edges): Likewise.
* config/arm/neon-schedgen.ml (core): New type.
(allCores): List of supported cores.
(availability_table): Add supported cores.
(collate_bypasses): Accept core as a parameter.
(worst_case_latencies_and_bypasses): Accept core as a
parameter.
(emit_insn_reservations): Accept core as a parameter.
Use tuneStr and coreStr to get tune attribute and prefix
for functional units.
(emit_bypasses): Accept core name and use it.
(calculate_per_core_availability_table): New.
(filter_core): New.
(calculate_core_availability_table): New.
(main): Use calculate_core_availablity_table.
* config/arm/cortex-a8-neon.md: Update copyright year.
Regenerated from ml file and merged in.
(neon_mrrc, neon_mrc): Rename to cortex_a8_neon_mrrc and
cortex_a8_neon_mrc.
tree-vrp.c (adjust_range_with_scev): Use number of iteration estimate.
2010-09-01 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (adjust_range_with_scev): Use number of iteration
estimate.
(vrp_visit_phi_node): Delay using SCEV till we balloon the
range.
(execute_vrp): Compute number of iteration estimates.
* cfgloop.h (estimate_numbers_of_iterations_loop): Adjust prototype.
* tree-flow.h (estimate_numbers_of_iterations): Likewise.
* tree-data-ref.c (estimated_loop_iterations): Adjust.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
Infer loop bounds from undefined behavior based on a new
parameter.
(estimate_numbers_of_iterations): Likewise.
(scev_probably_wraps_p): Adjust.
* tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
* gcc.dg/vect/vect-outer-fir.c: Adjust.
* gcc.dg/tree-ssa/vrp54.c: New testcase.
* gcc.c-torture/execute/20100827-1.c: Likewise.
Nick Clifton [Wed, 1 Sep 2010 10:13:07 +0000 (10:13 +0000)]
stormy16.c: Use REG_P, MEM_P and CONST_INT_P where appropriate.
* config/stormy16/stormy16.c: Use REG_P, MEM_P and CONST_INT_P
where appropriate.
(xstormy16_legitimate_address_p): Use true and false instead of 1
and 0.
(xstormy16_expand_prologue): Delete unused local variable 'insn'.
(xstormy16_function_arg): Use FIRST_ARGUMENT_REGNUM in place of
magic constant 2.
(xstormy16_expand_call): Fix comment at start of function.
Nick Clifton [Wed, 1 Sep 2010 08:33:35 +0000 (08:33 +0000)]
rx.c (rx_expand_prologue): Do not adjust frame size when pushing accumulator register.
* config/rx/rx.c (rx_expand_prologue): Do not adjust frame size
when pushing accumulator register.
(rx_get_stack_layout): Always save call clobbered registers inside
interrupt handlers.
* config/rx/rx-modes.def: Fix descriptive comment at start of file.
Anatoly Sokolov [Tue, 31 Aug 2010 19:32:59 +0000 (23:32 +0400)]
m32c.c (classes_intersect): Remove.
* config/m32c/m32c.c (classes_intersect): Remove.
(m32c_preferred_reload_class, m32c_secondary_reload_class): Use
reg_classes_intersect_p instead of classes_intersect.
(class_can_hold_mode): Change arguments type from enum reg_class to
reg_class_t. Use reg_class_contents instead of class_contents.
(m32c_register_move_cost): Make static. Change arguments type from
enum reg_class to reg_class_t. Use reg_classes_intersect_p instead of
classes_intersect. Use reg_class_contents instead of class_contents.
(m32c_memory_move_cost): Make static. Change arguments type from
enum reg_class to reg_class_t.
(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
* config/m32c/m32c.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
* config/m32c/m32c-protos.h (m32c_register_move_cost,
m32c_memory_move_cost): Remove.
Paolo Carlini [Tue, 31 Aug 2010 17:39:51 +0000 (17:39 +0000)]
re PR libstdc++/44480 ([C++0x] Linear performance of begin() in unordered associative containers)
2010-08-31 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/44480
* include/bits/hashtable.h (_Hashtable<>::_M_begin_bucket_index):
Add, caching the index of the first non-empty bucket.
(begin, cbegin): Use it.
(_Hashtable<>::_Hashtable(_InputIterator, _InputIterator, ...),
_Hashtable(const _Hashtable&), _Hashtable(_Hashtable&&),
swap(_Hashtable&), clear): Adjust.
(_M_insert_bucket, _M_insert, erase(const_iterator),
erase(const key_type&), _M_rehash): Update it.
* include/bits/hashtable.h (_Hashtable<>::_M_erase): Remove.
(erase(const_iterator)): Inline the latter.
Nathan Froyd [Tue, 31 Aug 2010 17:19:20 +0000 (17:19 +0000)]
arm-protos.h (arm_function_arg_advance): Delete.
* config/arm/arm-protos.h (arm_function_arg_advance): Delete.
(arm_function_arg): Delete.
(arm_needs_doubleword_align): Take a const_tree.
* config/arm/arm.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
* config/arm/arm.c (aapcs_select_call_coproc): Take a const_tree.
(aapcs_layout_arg, arm_needs_doubleword_align): Likewise.
(arm_function_arg): Make static. Take a const_tree and a bool.
(arm_function_arg_advance): Likewise.
(TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
Eric Botcazou [Mon, 30 Aug 2010 20:04:49 +0000 (20:04 +0000)]
Stack usage support
Stack usage support
* common.opt (-fstack-usage): New option.
* doc/invoke.texi (Debugging options): Document it.
* builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to
allocate_dynamic_stack_space.
(expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE
and propagate it to allocate_dynamic_stack_space.
(expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change.
* calls.c (initialize_argument_information): Pass TRUE as 4th
argument to allocate_dynamic_stack_space.
(expand_call): Set current_function_has_unbounded_dynamic_stack_size
to 1 when pushing a variable-sized argument onto the stack. Pass
TRUE as 4th argument to allocate_dynamic_stack_space.
Update current_function_pushed_stack_size.
(emit_library_call_value_1): Likewise.
* explow.c (allocate_dynamic_stack_space): Add 4th bool parameter
CANNOT_ACCUMULATE. If flag_stack_usage, look into the size and
attempt to find an upper bound. Remove redundant code for the
SETJMP_VIA_SAVE_AREA case.
* expr.h (allocate_dynamic_stack_space): Add 4th bool parameter.
* function.h (struct stack_usage): New structure.
(current_function_static_stack_size): New macro.
(current_function_dynamic_stack_size): Likewise.
(current_function_pushed_stack_size): Likewise.
(current_function_dynamic_alloc_count): Likewise.
(current_function_has_unbounded_dynamic_stack_size): Likewise.
(current_function_allocates_dynamic_stack_space): Likewise.
(struct function): Add new field 'su'.
* function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA,
add the value of the dynamic offset to the dynamic stack usage.
(gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA
for variable-sized objects.
(prepare_function_start): Allocate cfun->su if flag_stack_usage.
(rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage.
* gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to
BUILT_IN_ALLOCA for variable-sized objects.
* output.h (output_stack_usage): Declare.
* toplev.c (stack_usage_file): New file pointer.
(output_stack_usage): New function.
(open_auxiliary_file): Likewise.
(lang_dependent_init): Open file if flag_stack_usage is set.
(finalize): Close file if stack_usage_file is not null.
* tree.h (ALLOCA_FOR_VAR_P): New macro.
* config/alpha/alpha.c (compute_frame_size): New function.
(alpha_expand_prologue): Use it.
(alpha_start_function): Likewise.
(alpha_expand_epilogue): Likewise. Set stack usage info.
* config/i386/i386.c (ix86_expand_prologue): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/mips/mips.c (mips_expand_prologue): Likewise.
* config/pa/pa.c (hppa_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/sparc/sparc.c (sparc_expand_prologue): Likewise.
testsuite/
* lib/gcc-dg.exp (cleanup-stack-usage): New procedure.
* lib/scanasm.exp (scan-stack-usage): Likewise.
(scan-stack-usage-not): Likewise.
* gcc.dg/stack-usage-1.c: New test.
* gcc.target/i386/stack-usage-realign.c: Likewise.
Zdenek Dvorak [Mon, 30 Aug 2010 19:50:05 +0000 (21:50 +0200)]
re PR tree-optimization/45427 (Number of iteration analysis bogus)
PR tree-optimization/45427
* tree-ssa-loop-niter.c (number_of_iterations_ne_max): Rewritten.
Handle the case that the exit is never taken correctly.
(number_of_iterations_ne): Pass exit_must_be_taken to
number_of_iterations_ne_max.
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