2006-02-20 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/25670
* Makefile.tpl ([+compare-target+]): Print explanation messages.
* Makefile.def (ADAFLAGS, BOOT_ADAFLAGS, LANGUAGES): New flags_to_pass.
* Makefile.tpl (BASE_FLAGS_TO_PASS): Support optional flags_to_pass.
(EXTRA_GCC_FLAGS): Remove ADAFLAGS, BOOT_ADAFLAGS, LANGUAGES,
BUILD_PREFIX, BUILD_PREFIX_1.
* configure.in: (BUILD_PREFIX, BUILD_PREFIX_1): Don't substitute.
* Makefile.def (bootstrap stage 1): Pass LIBCFLAGS too.
* Makefile.tpl (POSTSTAGE1_FLAGS_TO_PASS): Override LIBCFLAGS too.
* Makefile.tpl (configure-stage[+id+]-[+prefix+][+module+],
all-stage[+id+]-[+prefix+][+module+], : Use $(current_stage) instead
of `cat stage_current`. Always provide the `r' and `s' variables.
(clean-stage[+id+]-[+prefix+][+module+]): Likewise, and make it into
a single shell execution.
(configure-[+prefix+][+module+], all-[+prefix+][+module+]): For
bootstrapped modules, make the stage1 module if the build was not
started yet, else build the current stage.
(all-host, all-target): Omit bootstrapped modules (if bootstrapping).
(all-build, all-host, all-target, [+make_target+]-host,
[+make_target+]-target): Do not use \-continued lines.
(target modules): Depend on stage_last, not all-gcc, if bootstrapping.
(current_stage, restrap, stage_last): New.
* Makefile.in: Regenerate.
* configure: Regenerate.
gcc:
2006-02-20 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/25476
* Makefile.in (LDFLAGS): Define from autoconf substitution.
* Makefile.in (BOOTSTRAPPING): New.
(quickstrap): New definition if BOOTSTRAPPING=yes.
* Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
* configure.ac: Substitute all_selected_languages with the languages
that were configured. For all the other variables except
lang_specs_files, include all the languages in the tree.
* configure: Regenerate.
* Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
if there is one. Run the commands to run fixincludes in the same
subshell.
* doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
* doc/install.texi: Document exact conventions for searching target tools.
Document --with-build-time-tools. Document toplevel bootstrap. Document
something more about building an Ada cross-compiler. Don't list GNU Make
requirements which affect all platforms.
From-SVN: r111295
PR middle-end/19543
* varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
only equivalent if the have both the same mode and precision.
* gfortran.dg/logical_1.f90: New test case.
From-SVN: r111294
* gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
constant pool references to identify stack mode constants.
* rtlanal.c (constant_pool_constant_p): New predicate to check
whether operand is a floating point constant in the pool.
* rtl.h (constant_pool_constant_p): Prototype here.
* loop.c (scan_loop): Avoid hoisting constants from the constant
pool on STACK_REGS targets.
(load_mems): Likewise.
* loop-invariant.c (get_inv_cost): Make hoisting constant pool
loads into x87 registers expensive in terms of register pressure.
Co-Authored-By: Steven Bosscher <stevenb.gcc@gmail.com>
From-SVN: r111283
2006-02-19 Daniel Berlin <dberlin@dberlin.org>
* doc/invoke.texi: Document -fipa-pta.
* common.opt: Add ipa-pta option.
* tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
(do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
(do_ds_constraint): Ditto.
(get_constraint_for): Only add to referenced_vars if
referenced_vars exists.
(insert_into_field_list): Rewrite to do this unsorted.
(insert_into_field_list_sorted): Rename old insert_into_field_list
to this.
(create_function_info_for): Use insert_into_field_list_sorted.
(create_variable_info_for): Rewrite so it uses unsorted version,
since the field list is sorted.
(intra_create_variable_infos): Only add to referenced_vars if
referenced_vars exists.
(ipa_pta_execute): Init heapvars, and delete when done.
* passes.c (init_optimization_passes): Add call to pass_ipa_pta.
From-SVN: r111273
* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
(copy_insn_1): Likewise. Don't copy each field individually.
Reindent.
* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
of RTX_SIZE.
* reload1.c (eliminate_regs): Use shallow_copy_rtx.
* rtl.c (rtx_size): Rename variable to...
(rtx_code_size): ...this.
(rtx_size): New function.
(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
(copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
Reindent.
(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
* rtl.h (rtx_code_size): New variable.
(rtx_size): Change from a variable to a function.
(RTX_SIZE): Rename to...
(RTX_CODE_SIZE): ...this.
PR target/9703
PR tree-optimization/17106
* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
(Anchored Addresses): New section.
* doc/invoke.texi (-fsection-anchors): Document.
* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
* hooks.c (hook_bool_mode_rtx_false): New function.
* hooks.h (hook_bool_mode_rtx_false): Declare.
* gengtype.c (create_optional_field): New function.
(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
SYMBOL_REF_IN_BLOCK_P is true.
* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
(min_anchor_offset, max_anchor_offset): Likewise.
(use_anchors_for_symbol_p): New hook.
* toplev.c (compile_file): Call output_object_blocks.
(target_supports_section_anchors_p): New function.
(process_options): Check that -fsection-anchors is only used on
targets that support it and when -funit-at-a-time is in effect.
* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
if the decl doesn't have one.
* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
of force_const_mem through use_anchored_address.
(expand_expr_constant): New function.
(expand_expr_addr_expr_1): Call it. Use the same modifier when
calling expand_expr for INDIRECT_REF.
(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
* expr.h (use_anchored_address): Declare.
* loop-unroll.c: Don't declare rtx vectors here.
* explow.c: Include output.h.
(validize_mem): Call use_anchored_address.
(use_anchored_address): New function.
* common.opt (-fsection-anchors): New switch.
* varasm.c (object_block_htab, anchor_labelno): New variables.
(hash_section, object_block_entry_eq, object_block_entry_hash)
(use_object_blocks_p, get_block_for_section, create_block_symbol)
(use_blocks_for_decl_p, change_symbol_section): New functions.
(get_variable_section): New function, split out from assemble_variable.
(make_decl_rtl): Create a block symbol if use_object_blocks_p and
use_blocks_for_decl_p say so. Use change_symbol_section if the
symbol has already been created.
(assemble_variable_contents): New function, split out from...
(assemble_variable): ...here. Don't output any code for
block symbols; just pass them to place_block_symbol.
Use get_variable_section and assemble_variable_contents.
(get_constant_alignment, get_constant_section, get_constant_size): New
functions, split from output_constant_def_contents.
(build_constant_desc): Create a block symbol if use_object_blocks_p
says so. Or into SYMBOL_REF_FLAGS.
(assemble_constant_contents): New function, split from...
(output_constant_def_contents): ...here. Don't output any code
for block symbols; just pass them to place_section_symbol.
Use get_constant_section and get_constant_alignment.
(force_const_mem): Create a block symbol if use_object_blocks_p and
use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
(output_constant_pool_1): Add an explicit alignment argument.
Don't switch sections here.
(output_constant_pool): Adjust call to output_constant_pool_1.
Switch sections here instead. Don't output anything for block symbols;
just pass them to place_block_symbol.
(init_varasm_once): Initialize object_block_htab.
(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
(place_block_symbol, get_section_anchor, output_object_block)
(output_object_block_htab, output_object_blocks): New functions.
* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
(TARGET_ASM_OUT): Include it.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
(TARGET_INITIALIZER): Include them.
* rtl.c (rtl_check_failed_block_symbol): New function.
* rtl.h: Include vec.h. Declare heap and gc rtx vectors.
(block_symbol, object_block): New structures.
(rtx_def): Add a block_symbol field to the union.
(BLOCK_SYMBOL_CHECK): New macro.
(rtl_check_failed_block_symbol): Declare.
(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
* output.h (output_section_symbols): Declare.
(object_block): Name structure.
(place_section_symbol, get_section_anchor, default_asm_output_anchor)
(default_use_anchors_for_symbol_p): Declare.
* Makefile.in (RTL_BASE_H): Add vec.h.
(explow.o): Depend on output.h.
* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
(TARGET_MAX_ANCHOR_OFFSET): Likewise.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
(rs6000_use_blocks_for_constant_p): New function.
From-SVN: r111254
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25680
* tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
IMAGPART_EXPR.
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25680
* testsuite/gcc.dg/tree-ssa/complex-3.c: New test.
From-SVN: r111251
PR middle-end/26334
* stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
instead of DECL_REGISTER.
* gcc.c-torture/compile/20060217-1.c: New test.
* gcc.dg/20060218-1.c: New test.
From-SVN: r111247
PR middle-end/25600
* fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
C is one less than the width of X (and related transformations).
* simplify_rtx.c (simplify_unary_operation_1): Transform
(neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
depending on STORE_FLAG_VALUE, were C is one less then the
width of X.
From-SVN: r111226
PR target/26255
* pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
with hardware float support, and software float support. Add fcpy
alternative to hardware patterns. Add alternatives to copy between
general and floating-point registers to the 32-bit pattern.
* pa.c (pa_secondary_reload): Don't abort if reload tries to find a
secondary reload to load a QI or HI mode constant into a floating
point register.
* pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
* pa64-regs.h (VALID_FP_MODE_P): Likewise.
From-SVN: r111214
2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
PR target/26272
* config/rs6000/darwin.md (load_macho_picbase_si): Add
pc to the pattern.
(load_macho_picbase_di): Likewise.
From-SVN: r111206
* tree-vrp.c (set_value_range_to_nonnegative): New function.
(vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
(ssa_name_nonzero_p): Likewise.
(get_value_range): Return NULL if VRP is not running.
(extract_range_from_expr): Fallback to tree_expr_XXX_p if
VRP routines do not discover a range.
(vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
* tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
* fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
(tree_expr_nonnegative_p): Similarly.
* tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
(restore_nonzero_vars_to_original_value): Remove.
(unsafe_associative_fp_binop): Remove.
(tree_ssa_dominator_optimize): Remove initialization and
finalization of nonzero_vars and nonzero_vars_stack.
(dom_opt_initialize_block): No longer push marker on
nonzero_vars_stack.
(dom_opt_finalize_block): No longer call
restore_nonzero_vars_to_original_value.
(record_equivalences_from_phis): No longer look for
nonzero PHI arguments.
(cprop_into_successor_phis): No longer propagate nonzero
property into PHI arguments. Lose unused argument. Caller
updated.
(record_equivalences_from_stmt): No longer record nonzero
values for SSA_NAMEs.
(lookup_avail_expr): No longer use nonzero_vars.
* gcc.dg/tree-ssa/vrp24.c: Update expected output.
* gcc.dg/tree-ssa/vrp26.c: New test.
From-SVN: r111175
2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
PR rtl-optimization/25603
* reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
(regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
* reload1.c (choose_reload_regs): Added call of regno_clobbered_p
with new meaning of SETS.
From-SVN: r111162
PR rtl-optimization/25636
* local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
when deciding whether an insn is an initializing insn.
From-SVN: r111129
PR middle-end/23670
* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
(X,Y) and the corresponding symmetry related transformations.
(fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
(X,Y) and its symmetry related transformations.
* gcc.dg/tree-ssa/andor-2.c: New test case.
From-SVN: r110997
Paolo Bonzini
Roger Sayle
Ben Elliston
David Edelsohn
Daniel Berlin
John David Anglin
Andrew Pinski
Mark Wielaard
David Edelsohn
Richard Sandiford
Diego Novillo
Jakub Jelinek
Olivier Hainque
Joseph Myers
Grigory Zagorodnev
Jeff Law
Denis Nagorny
Eric Botcazou
Zdenek Dvorak
Paul Brook
Bernd Schmidt
Uttam Pawar
Rafael Espindola
Michael Matz
Marcin Dalecki
Zdenek Dvorak
Adam Nemet
Rainer Orth
Richard Guenther