* tree-vrp.c (identify_jump_threads): Slightly simplify type
check for operands of conditional. Allow type to be a
pointer.
* gcc.dg/tree-ssa/vrp55.c: New test.
From-SVN: r171055
2011-03-16 Richard Guenther <rguenther@suse.de>
* gcc.dg/guality/vla-1.c (main): Use result of f1 to avoid
optimizing it away if promoted to const.
From-SVN: r171050
2011-03-16 Richard Guenther <rguenther@suse.de>
PR testsuite/48147
* gcc.dg/guality/pr45882.c: Really make sure no inlining
or cloning happens.
From-SVN: r171047
2011-03-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26134
* tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
(non_rewritable_mem_ref_base): Handle complex type component
accesses, constrain offsets for vector and complex extracts
more properly.
* gcc.dg/tree-ssa/complex-6.c: New testcase.
From-SVN: r171046
2011-03-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48146
* tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
operands avoiding the need for renaming.
* gcc.dg/torture/pr48146.c: New testcase.
From-SVN: r171045
PR middle-end/48136
* fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
arg0/arg1 or their arguments are always fold converted to matching
types.
* gcc.c-torture/compile/pr48136.c: New test.
From-SVN: r171041
* calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
* var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
call's MEM. Handle functions returning aggregate through a hidden
first pointer. For virtual calls add clobbered pc to call arguments
chain.
* dwarf2out.c (gen_subprogram_die): Emit
DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
can't be emitted.
From-SVN: r171036
PR debug/45882
* rtl.def (ENTRY_VALUE): Change format from "e" to "0".
* rtl.h (ENTRY_VALUE_EXP): Define.
* rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
* cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
* print-rtl.c (print_rtx): Likewise.
* gengtype.c (adjust_field_rtx_def): Likewise.
* var-tracking.c (vt_add_function_parameter): Adjust
gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
* dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
* cfgexpand.c (expand_debug_expr): If a SSA_NAME without
partition is a default definition of a PARM_DECL, use ENTRY_VALUE
of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.
* gcc.dg/guality/pr45882.c: New test.
From-SVN: r171035
* final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
Call var_location debug hook even on CALL_INSNs.
(rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
* rtl.def (ENTRY_VALUE): New.
* dwarf2out.c: Include cfglayout.h.
(dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
(struct call_arg_loc_node): New type.
(call_arg_locations, call_arg_loc_last, block_map, call_site_count,
tail_call_site_count): New variables.
(dwarf_tag_name): Handle DW_TAG_GNU_call_site and
DW_TAG_GNU_call_site_parameter.
(dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
and DW_AT_GNU_all_source_call_sites.
(mem_loc_descriptor): Handle ENTRY_VALUE.
(add_src_coords_attributes): Don't add enything if
DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
(dwarf2out_abstract_function): Save and clear call_arg_location,
call_site_count and tail_call_site_count around dwarf2out_decl call.
(gen_call_site_die): New function.
(gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
(gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
(dwarf2out_function_decl): Clear call_arg_locations,
call_arg_loc_last, set call_site_count and tail_call_site_count
to -1 and free block_map.
(dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
CALL_INSNs. Add NOTE_DURING_CALL_P var location notes even when not
followed by any real instructions.
(dwarf2out_begin_function): Set call_site_count and
tail_call_site_count to 0.
(resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
attempt to force a DIE for it and worst case remove the attribute.
(resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
the decl itself.
* var-tracking.c: Include tm_p.h.
(vt_stack_adjustments): For calls call note_register_arguments.
(argument_reg_set): New variable.
(add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
ensure the VALUE is resolved.
(call_arguments): New variable.
(prepare_call_arguments): New function.
(add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
(struct expand_loc_callback_data): Add ignore_cur_loc field.
(vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
always use the best expression.
(vt_expand_loc): Add ignore_cur_loc argument.
(vt_expand_loc_dummy): Clear ignore_cur_loc field.
(emit_note_insn_var_location): Adjust vt_expand_loc callers.
(emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
note for all calls.
(vt_add_function_parameter): Use cselib_lookup_from_insn.
If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
argument. Don't call cselib_preserve_only_values and
cselib_reset_table.
(note_register_arguments): New function.
(vt_initialize): Compute argument_reg_set. Call
vt_add_function_parameters before processing basic blocks instead of
afterwards. For calls call prepare_call_arguments before calling
cselib_process_insn.
* print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
* Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
(var-tracking.o): Depend on $(TM_P_H).
* cfglayout.h (insn_scope): New prototype.
* gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
* cfglayout.c (insn_scope): No longer static.
* insn-notes.def (CALL_ARG_LOCATION): New.
* calls.c (expand_call, emit_library_call_value_1): Put USEs for
MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
* integrate.c (set_block_origin_self, set_block_abstract_flags): Do
nothing for DECL_EXTERNAL BLOCK_VARS.
cp/
* cp-objcp-common.c (cp_function_decl_explicit_p): Don't crash if
DECL_LANG_SPECIFIC is NULL.
include/
* dwarf2.h (DW_TAG_GNU_call_site, DW_TAG_GNU_call_site_parameter,
DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered,
DW_AT_GNU_tail_call, DW_AT_GNU_all_tail_call_sites,
DW_AT_GNU_all_call_sites,, DW_AT_GNU_all_source_call_sites,
DW_OP_GNU_entry_value): New.
From-SVN: r171033
2011-03-15 Benjamin Kosnik <bkoz@redhat.com>
* config/abi/pre/gnu.ver: Make nested_exception exports super clear.
Move bad_function_call exports from CXXABI_1.3.5 to GLIBCXX_3.4.15.
From-SVN: r171014
Core 1191
* method.c (synthezized_method_walk): Cleanups don't affect the
triviality of a constructor, but do affect deletion and exception
specification.
From-SVN: r171011
2011-03-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/13954
* tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
and friends.
* g++.dg/tree-ssa/pr13954.C: New testcase.
From-SVN: r170994
2011-03-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48037
* tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
selects into BIT_FIELD_REFs.
(non_rewritable_mem_ref_base): Check if a MEM_REF is a
vector select.
* gcc.target/i386/pr48037-1.c: New testcase.
From-SVN: r170986
PR tree-optimization/48129
* builtins.c (fold_builtin_snprintf): Convert to type of
built_in_decls[BUILT_IN_SNPRINTF] retval instead of
implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
From-SVN: r170985
2011-03-15 Richard Guenther <rguenther@suse.de>
PR middle-end/48031
* fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
or variable-indexed array accesses when in gimple form.
From-SVN: r170983
PR target/48032
* config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
presume symbol_refs without a symbol_ref_decl are suitably
aligned, nor other trees we may see here. Handle anchor symbols.
(legitimate_constant_pool_address_p): Comment. Add mode param.
Check cmodel=medium addresses. Adjust all calls.
(rs6000_emit_move): Don't call offsettable_ok_by_alignment on
creating cmodel=medium optimized access to locals.
* config/rs6000/constraints.md (R): Pass QImode to
legitimate_constant_pool_address_p.
* config/rs6000/predicates.md (input_operand): Pass mode to
legitimate_constant_pool_address_p.
* config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
Update prototype.
From-SVN: r170976
PR middle-end/47917
* builtins.c (fold_builtin_snprintf): New function.
(fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
(fold_builtin_4): Likewise.
* gcc.c-torture/execute/pr47917.c: New test.
* gcc.dg/pr47917.c: New test.
From-SVN: r170959
PR middle-end/38878
* fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
STRIP_NOPS on arg0 and arg1. When optimizing X +- C == X
and C - X == X also strip nops from +/-/p+ operand.
When optimizing -X == C, fold C to arg0's type.
* gcc.dg/tree-ssa/foldaddr-1.c: Remove xfail.
From-SVN: r170957
Jeff Law
Jason Merrill
Richard Guenther
Benjamin Kosnik
Jakub Jelinek
Rainer Orth
Alan Modra
GCC Administrator
Doug Kwan
Rodrigo Rivas Costa
Jason Merrill
Xinliang David Li
Ramana Radhakrishnan
Ramana Radhakrishnan
Francois-Xavier Coudert
Michael Meissner
Tom Tromey