This commit was manufactured by cvs2svn to create tag
'tree-profiling-merge-20040303'.

From-SVN: r78817

* testsuite/gcc.dg/tree-ssa/tailrecursion-5.c: New test.

From-SVN: r78816

tree-tailcall.c (struct tailcall): Remove return_block and return_bsi fields, add m and a fields.

* tree-tailcall.c (struct tailcall): Remove return_block and return_bsi
fields, add m and a fields.
(m_acc, a_acc): New.
(find_tail_calls): Find tail calls on whose results simple operations
are performed.
(independent_on_stmt_p, process_assignment,
propagate_through_phis, adjust_accumulator_values,
adjust_return_value): New.
(eliminate_tail_call): Update the accumulators if needed.
(optimize_tail_call): Do not create phis.
(tree_optimize_tail_calls): Create phis and accumulators as needed.
Adjust return values.

From-SVN: r78814

20030815-1.c: Expect 1 type cast.

* testsuite/gcc.dg/tree-ssa/20030815-1.c: Expect 1 type cast.
* testsuite/gcc.dg/tree-ssa/ssa-dce-1.c: Check after aliasing.
* testsuite/gcc.dg/tree-ssa/ssa-dce-2.c: Likewise.
* testsuite/gcc.dg/tree-ssa/ssa-dom-cse-1.c: Likewise.

From-SVN: r78810

tree-ssa-operands.c (get_expr_operands): Mark CALL_EXPRs with has_volatile_ops if aliases haven't been computed yet.

* tree-ssa-operands.c (get_expr_operands): Mark CALL_EXPRs
with has_volatile_ops if aliases haven't been computed yet.
(add_stmt_operand): Use 'true' instead of '1'.

From-SVN: r78809

Daily bump.

From-SVN: r78796

re PR rtl-optimization/14266 ([tree-ssa] ICE on legal, depends on .GLOBAL_VAR.)

PR optimization/14266
* tree-ssa-alias.c (create_global_var): Mark GLOBAL_VAR for
renaming.

testsuite/ChangeLog.tree-ssa

* gcc.dg/tree-ssa/20040302-1.c: New test.

From-SVN: r78774

Merge to tree-ssa-20020619-merge-20040227.

From-SVN: r78772

This commit was manufactured by cvs2svn to create branch
'tree-ssa-20020619-branch'.

From-SVN: r78771

Makefile.in (install-libgcc, [...]): Pass mkinstalldirs var to libgcc.mk.

2004-03-02  Roche Nicolas <roche@act-europe.fr>

* Makefile.in (install-libgcc, install-multilib): Pass
mkinstalldirs var to libgcc.mk.

From-SVN: r78748

passes.texi: Add information about mudflap.

2004-03-01  Frank Ch. Eigler  <fche@redhat.com>

* doc/passes.texi: Add information about mudflap.

From-SVN: r78735

Daily bump.

From-SVN: r78731

re PR middle-end/13066 ([tree-ssa] ICE in in invert_truthvalue, at fold-const.c:2554)

2004-03-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/13066
        * fold-const (fold): Call fold_convert when building
        a TRUTH_*_EXPR tree.

From-SVN: r78714

common.opt: Add tree-copyrename option.

2004-03-01  Andrew MacLeod  <amacleod@redhat.com>

* common.opt : Add tree-copyrename option. Remove duplicate tree-sra.
* flags.h (flag_tree_copyrename): Declare.
* opts.c (decode_options): Turn copyrename on by default at -O.
(common_handle_option): Handle -ftree-copyrename.
* toplev.c (flag_tree_copyrename): Declare.
* tree-ssa-copyrename.c (gate_copyrename): New.  Check flag.
(pass_rename_ssa_copies): Initialize with gated routine.
(lang_independent_options f_): Add tree-copyrename.
* doc/invoke.texi: Add -fdump-tree-copyrename and  -ftree-copyrename.
* doc/passes.texi: Add blurb for copy renaming.

From-SVN: r78711

init.c (build_vec_delete_1): Convert 2nd argument to NE_EXPR to the proper type.

* init.c (build_vec_delete_1): Convert 2nd argument to NE_EXPR to
the proper type.

From-SVN: r78710

tree-ssa-dom.c (true_false_expr_hash): Update comments slightly.

        * tree-ssa-dom.c (true_false_expr_hash): Update comments slightly.
        (true_false_expr_eq): Update comments slightly.  Avoid using
        operand_equal_p, instead check the code and operands directly.

        * gcc.dg/tree-ssa/20030211-1.c: Update.

From-SVN: r78702

Makefile.in (tree-ssa-copyrename.o): New object.

2004-03-01  Andrew MacLeod  <amacleod@redhat.com>

* Makefile.in (tree-ssa-copyrename.o): New object.
* timevar.def (TV_TREE_COPY_RENAME): New time variable.
* tree-optimize.c (init_tree_optimization_passes): Add copy rename
pass.
* tree-pass.h (pass_rename_ssa_copies): New pass structure.
* tree-sra.c (lookup_scalar): Copy DECL_ARITIFICIAL flag from base.
* tree-ssa-copyrename.c : New file.
(copy_rename_partition_coalesce): Coalesce partitions for renaming.
(rename_ssa_copies): Find renamable copies.
(pass_rename_ssa_copies): Initialize.
* tree-ssa-live.c (register_ssa_partition): Move to tree-ssa-live.h.
* tree-ssa-live.h (register_ssa_partition): Moved from tree-ssa-live.c.

From-SVN: r78701

doloop.c (doloop_optimize): Increment n_iterations if loop->top present.

        * doloop.c (doloop_optimize): Increment n_iterations if loop->top
        present.

From-SVN: r78694

Daily bump.

From-SVN: r78687

* gimple-low.c (pass_remove_useless_vars): Add TODO_dump_func.

From-SVN: r78655

configure.in: Set ac_libbanshee_warn_cflags for GCC.

* configure.in: Set ac_libbanshee_warn_cflags for GCC.
* configure: Regenerated.

* libcompat/Makefile.am (AM_CFLAGS): Add
ac_libbanshee_warn_cflags.
* engine/Makefile.am (AM_CFLAGS): Likewise.
* points-to/Makefile.am (AM_CFLAGS): Likewise.

* libcompat/Makefile.in: Regenerated.
* engine/Makefile.in: Regenerated.
* points-to/Makefile.in: Regenerated.
* Makefile.in: Regenerated.

From-SVN: r78654

* libcompat/radix-tree.c: Include <stdlib.h> for calloc.

From-SVN: r78651

Daily bump.

From-SVN: r78643

darwin.h (machopic_finish): Output stub even if the symbol is already defined.

2004-02-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin.h (machopic_finish): Output stub even if the
        symbol is already defined.

From-SVN: r78638

move both:

2004-02-27  Dale Johannesen  <dalej@apple.com>

        * config/darwin.c (machopic_output_possible_stub_label):  Remove.
        config/darwin-protos.h:  Ditto.
        config/darwin.h:  Remove call to it.

2004-02-27  Dale Johannesen  <dalej@apple.com>

        * combine.c (distribute_notes): Do not place a REG_DEAD note
        when value is both set and used.

into ChangeLog from ChangeLog.tree-ssa as they are both on the mainline also.

From-SVN: r78636

Fix test contributor's last name.

From-SVN: r78619

darwin.c (machopic_output_possible_stub_label): Remove.

2004-02-27  Dale Johannesen  <dalej@apple.com>
        * config/darwin.c (machopic_output_possible_stub_label):  Remove.
        config/darwin-protos.h:  Ditto.
        config/darwin.h:  Remove call to it.

From-SVN: r78600

tree-cfg.c (verify_expr): Do not walk down into types.

        * tree-cfg.c (verify_expr): Do not walk down into types.
        Expand checking to verify that unary/binary operators have
        gimple operands.
        * tree-ssa-ccp.c (ccp_fold_builtin, case BUILT_IN_STRLEN): Do not
        create non-gimple code.  Similarly for BUILTIN_IN_STRCPY and
        BUILT_IN_STRNCPY.
        * tree-ssa-phiopt.c (conditional_replacement): Do not create
        non-gimple code.
        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.

        * tree-simple.c (is_gimple_min_invariant): Subtraction of a
        constant from a constant pointer is a gimple invariant as well.
        * tree-ssa-operands.c (get_expr_operands): Handle subtraction
        of a constant from a constant pointer too.

From-SVN: r78599

Daily bump.

From-SVN: r78594

re PR middle-end/14310 ([tree-ssa] nonlocal goto savearea mode != STACK_SAVEAREA_MODE)

2004-02-27  Richard Henderson  <rth@redhat.com>

        PR middle-end/14310
        * explow.c (emit_stack_save): Remove savearea mode check.

From-SVN: r78587

warn-1.c: Update warning line.

        * gcc.dg/warn-1.c: Update warning line.
        * gcc.dg/tree-ssa/20030730-1.c: Declare ggc_alloc.
        * gcc.dg/tree-ssa/20030730-2.c: Likewise.
        * gcc.dg/tree-ssa/20030917-2.c: Fix int->pointer cast.
        * gcc.dg/tree-ssa/20030922-2.c: XFAIL.

From-SVN: r78584

builtins.c (simplify_builtin_strcmp): Don't export.

        * builtins.c (simplify_builtin_strcmp): Don't export.  Remove
        length parameters.  Remove conversion to memcmp.
        (simplify_builtin_strncmp): Likewise.
        * expr.h: Don't declare them.
        * tree-ssa-ccp.c (ccp_fold_builtin): Don't call them.

From-SVN: r78583

Fix typo in last change.

From-SVN: r78579

tree-cfg.c (cleanup_control_expr_graph): Prevent edge probability from overflowing due to roundoff errors.

2004-02-27  Dale Johannesen  <dalej@apple.com>
        * tree-cfg.c (cleanup_control_expr_graph): Prevent edge
        probability from overflowing due to roundoff errors.

2004-02-27  Dale Johannesen  <dalej@apple.com>

        * combine.c (distribute_notes): Do not place a REG_DEAD note
        when value is both set and used.

From-SVN: r78576

fold-const.c (fold): Tighten test for optimizing an equality comparison of the address of two variables.

        * fold-const.c (fold): Tighten test for optimizing an equality
        comparison of the address of two variables.

        * tree-inline.c (setup_one_parameter): Improve test for when we
        need to gimplify the initialization statements.

From-SVN: r78573

re PR rtl-optimization/14312 ([tree-ssa] [regression] tailcalls not being generated when functions contain pointers)

PR optimization/14312
* tree-pretty-print.c (dump_generic_node): Mark tail calls.
* tree-ssa-alias.c (compute_may_aliases): Restore call to
dump_referenced_vars.
(compute_points_to_and_addr_escape): If the address of a
variable V is stored into a non-pointer variable, mark V as
call-clobbered.
* tree-tailcall.c (suitable_for_tail_opt_p): Check for
call-clobbered instead of TREE_ADDRESSABLE.
Ignore memory tags.
(optimize_tail_call): Add newline to dump output.

testsuite/ChangeLog.tree-ssa

* gcc.dg/tree-ssa/tailcall-2.c: New test.

From-SVN: r78572

re PR rtl-optimization/13347 ([tree-ssa] Incorrect code generated for reinterpret_cast<> of pointer-to-member)

PR optimization/13347
* tree-sra.c (scalarize_structure_assignment): Use STRIP_NOPS
instead of STRIP_USELESS_TYPE_CONVERSION to remove type casts
from RHS of the assignment.

* tree-ssa.c (tree_ssa_useless_type_conversion_1): Reformat
and rephrase comments.
* tree.h (STRIP_USELESS_TYPE_CONVERSION): Reformat comment.

From-SVN: r78564

* gcc.c-torture/execute/20040208-2.x: New file.

From-SVN: r78557

Daily bump.

From-SVN: r78538

tree-nrv.c (tree_nrv): Only perform NRV optimization when the return value lives in memory.

        * tree-nrv.c (tree_nrv): Only perform NRV optimization when the
        return value lives in memory.

From-SVN: r78526

tree-cfg.c (tree_redirect_edge_and_branch_1): Allow to redirect RETURN_EXPR branches.

        * tree-cfg.c (tree_redirect_edge_and_branch_1): Allow to redirect
        RETURN_EXPR branches.

From-SVN: r78518

tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): If an operand is unsigned...

* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): If an
operand is unsigned, then we can eliminate more ABS expressions
and turned div/mod expression into shift/and expressions.

RCS file: /cvs/gcc/gcc/gcc/Attic/tree-ssa-dom.c,v

From-SVN: r78516

fold-const.c (fold): An equality comparison of the address of two non-weak variables has known...

* fold-const.c (fold): An equality comparison of the address of
two non-weak variables has known compile-time result.

From-SVN: r78514

tree-ssa-phiopt.c (conditional_replacement): s/tree_dump_flags/dump_flags/.

2004-02-26  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-phiopt.c (conditional_replacement):
        s/tree_dump_flags/dump_flags/.

From-SVN: r78513

tree-ssa-phiopt.c (tree_ssa_phiopt): Split into ...

2004-02-26  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-phiopt.c (tree_ssa_phiopt): Split into ...
        (conditional_replacement): Here.

From-SVN: r78509

tree-ssa.c (find_replaceable_in_bb): Don't repalce expressions in volatile statements.

2004-02-26  Andrew MacLeod  <amacleod@redhat.com>

* tree-ssa.c (find_replaceable_in_bb): Don't repalce expressions in
volatile statements.

From-SVN: r78496

New test.

From-SVN: r78491

This commit was manufactured by cvs2svn to create branch
'tree-ssa-20020619-branch'.

From-SVN: r78490

re PR rtl-optimization/14288 ([tree-ssa] [SRA] warning: 'SR.29591' may be used uninitialized in this function)

        PR opt/14288
        * gimplify.c (gimple_push_cleanup): Add VAR argument.  Set
        TREE_NO_WARNING if in a conditional context.
        (gimplify_target_expr): Pass new argument.
        * tree-sra.c (lookup_scalar): Copy TREE_NO_WARNING to replacement.

From-SVN: r78487

explow.c (force_reg): Call mark_reg_pointer as appropriate.

        * explow.c (force_reg): Call mark_reg_pointer as appropriate.
        * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't
        use (op0-op1) == 0 if op0 is a pointer.
        * config/alpha/alpha.md (cmpdi): Use some_operand.
        (three comparison combine splits): Remove.

From-SVN: r78476

re PR c/12794 ([tree-ssa] ICE with attribute __alias__)

        PR c/12794
        * c-common.c (handle_alias_attribute): Reject the attribute if
        current_function_decl is set.

From-SVN: r78474

Daily bump.

From-SVN: r78469

invoke.texi: Replace -fdump-tree-all-ssa with -fdump-tree-all.

* doc/invoke.texi: Replace -fdump-tree-all-ssa with
-fdump-tree-all.

From-SVN: r78420

re PR target/14285 ([tree-ssa] current_function_needs_context is not declared)

PR target/14285
* config/arm/arm.c (arm_compute_func_type): Replace
"current_function_needs_context" with "cfun->static_chain_decl
!= NULL".
(arm_compute_initial_elimination_offset): Likewise.
* config/h8300/h8300.c (h8300_emit_stack_adjustment):
Likewise.
* config/sh/sh.c (output_stack_adjust): Likewise.
(sh5_schedule_saves): Likewise.
* config/xtensa/xtensa.c (compute_frame_size): Likewise.

From-SVN: r78419

c-simplify.c (c_genericize): s/dump_flags/local_dump_flags/.

        * c-simplify.c (c_genericize): s/dump_flags/local_dump_flags/.
        * predict.c, tree-alias-ander.c, tree-cfg.c, tree-nrv.c,
        tree-optimize.c, tree-pass.h, tree-sra.c, tree-ssa-alias.c,
        tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
        tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-loop.c,
        tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa.c, tree-tailcall.c:
        s/tree_dump_flags/dump_flags/.

From-SVN: r78418

Daily bump.

From-SVN: r78406

predict.c, [...]: s/tree_dump_file/dump_file/g.

        * predict.c, tree-alias-ander.c, tree-cfg.c, tree-mudflap.c,
        tree-nrv.c, tree-optimize.c, tree-pass.h, tree-profile.c, tree-sra.c,
        tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c,
        tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-loop.c,
        tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa.c,
        tree-tailcall.c: s/tree_dump_file/dump_file/g.

From-SVN: r78402

toplev.c (dump_file_tbl): Rename from dump_file.

        * toplev.c (dump_file_tbl): Rename from dump_file.
        * bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
        cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
        config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
        config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
        loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
        ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
        toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
        s/rtl_dump_file/dump_file/g.

From-SVN: r78401

* doc/tree-ssa.texi: Fix formatting mark ups.

From-SVN: r78389

gimple-low.c (remove_useless_vars): Now static.

* gimple-low.c (remove_useless_vars): Now static.
(pass_remove_useless_vars): New.
* tree-flow.h (remove_useless_vars): Remove prototype.
* tree-nrv.c (struct nrv_data): Remove visited hashtable.
(finalize_nrv_r): Do not descend into types. No need to update
the visited hashtable.
(tree_nrv): No need to allocate/free the visited hashtable.
Clear the used flag on the variable's annotation.
* tree-optimize.c (init_tree_optimizatio_passes): Link in
pass_remove_useless_vars.
* tree-pass.h (pass_remove_useless_vars): Declare.
* tree-ssa.c (rewrite_out_of_ssa): Do not remove useless vars here.

From-SVN: r78386

re PR c++/13944 (exception in constructor of a class to be thrown is not caught)

        PR c++/13944
        * except.c (do_free_exception): Remove #if 0 wrapper.
        (build_throw): Use it if we elide a copy into the exception object.

        * tree.c (stabilize_call): Fix thinko.

From-SVN: r78377

Makefile.in (OBJS-common): Add tree-nrv.o.

        * Makefile.in (OBJS-common): Add tree-nrv.o.
        (tree-nrv.o): Add dependencies.
        * timevar.def (TV_TREE_NRV): New timevar.
        * tree-nrv.c: New file implementing NRV on generic trees.
        * tree-optimize.c (init_tree_optimization_passes): Link in
        tree_nrv optimization pass.
        * tree-pass.h (tree_nrv): Declare.
        * doc/invoke.texi: Add -fdump-tree-nrv documentation.

From-SVN: r78372

tree-flow.h (walk_use_def_chains_fn): Return a boolean.

        * tree-flow.h (walk_use_def_chains_fn): Return a boolean.
        True for stopping the use-def walk, false otherwise.
        * tree-ssa-alias.c (collect_points_to_info_r): Same.
        Always return false, and never stopping the def-use walk as before.
        * tree-ssa.c (walk_use_def_chains_1): Stop when the result of the
        callback function is true.

        * doc/tree-ssa.texi: Document the behavior of the callback
        function for walk_use_def_chains.

From-SVN: r78365

* doc/passes.texi: Rewrite.

From-SVN: r78362

Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.

        * Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.
        * tree.c (build0, build1, build2, build3, build4): Split out from...
        (build): ... here.  Call them.
        * tree.h (build, _buildN1, _buildN2, _buildC1, _buildC2): New.
        * convert.c (convert_to_integer): Remove extra build argument.
ada/
        * misc.c (record_code_position): Add third build arg for RTL_EXPR.
java/
        * parse.y (switch_label): Use make_node for DEFAULT_EXPR.
        * java-gimplify.c (java_gimplify_new_array_init): Remove extra
        argument building BLOCK.
fortran/
        * trans-array.c (gfc_trans_dummy_array_bias): Fix typo.

From-SVN: r78359

ggc-page.c (struct page_entry): New field PREV.

* ggc-page.c (struct page_entry): New field PREV.
(ggc_alloc): Update PREV field appropriately.
(sweep_pages): Likewise.
(ggc_free): Likewise.  Use PREV field rather than loop to
improve ggc_free performance.

From-SVN: r78352

Makefile.in (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi

* Makefile.in (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi
* tree-ssa-alias.c (compute_may_aliases): Update documentation.
* doc/gccint.texi: Add node for Tree SSA documentation.
Include tree-ssa.texi.
* doc/tree-ssa.texi: New file.

From-SVN: r78345

Daily bump.

From-SVN: r78341

config/rs6000/rs6000.c (function_arg): call to rs6000_mixed_function_arg for...

config/rs6000/rs6000.c (function_arg): call to
rs6000_mixed_function_arg for DFmode moved to allow
normal DFmode incoming register assignment.
OKed by David Edehlson.

From-SVN: r78335

rs6000.md: Roll in changes from mainline:

2004-02-23  Dale Johannesen <dalej@apple.com>

        * config/rs6000/rs6000.md:  Roll in changes from mainline:
        (movdf_softfloat64):  Add POWER form of nop.
        (movsf_hardfloat): Ditto, and accept CTR-to-CTR copy.
        (movdf_hardfloat64):  Ditto.

From-SVN: r78334

Makefile.in (OBJC-common): Add tree-ssa-copy.o.

        * Makefile.in (OBJC-common): Add tree-ssa-copy.o.
        (tree-ssa-copy.o): Add dependencies.
        * tree-flow.h (propagate_value, replace_exp): Prototype.
        (cprop_into_stmt, cprop_into_successor_phis): Likewise.
        * tree-ssa-copy.c: New file, most functions copied from tree-ssa-dom.c
        (cprop_into_stmt): Handle pointer & reference types better.
        * tree-ssa-dom.c (opt_stats_d): Kill uninteresting stats.
        (dump_dominator_optimization_stats): Corresponding changes.
        (cprop_into_stmt): Moved into tree-ssa-copy.c.
        (propagate_value): Likewise.
        (cprop_into_phis): Simplify using code fromi tree-ssa-copy.c.
        (optimize_stmt): Pass additional argument to cprop_into_stmt.
        * tree-ssa-pre.c (generate_expr_as_of_bb): Use replace_exp.
        (generate_vops_as_of_bb): Similarly.

From-SVN: r78321

Daily bump.

From-SVN: r78285

Daily bump.

From-SVN: r78247

cgraphunit.c (decide_is_function_needed): Nested functions of extern inline functions don't need to be output.

* cgraphunit.c (decide_is_function_needed): Nested functions of extern
inline functions don't need to be output.
(expand_function): Re-enable sanity check.

From-SVN: r78237

tree-ssa-loop.c (do_while_loop_p): New function.

* tree-ssa-loop.c (do_while_loop_p): New function.
(copy_loop_headers): Do not peel do-while loops.

From-SVN: r78229

tree-cfg.c (cleanup_control_expr_graph): Update profile.

* tree-cfg.c (cleanup_control_expr_graph): Update profile.

* tree-cfg.c (disband_implicit_edges): Set fallthru edges correctly.

* cfg.c (dump_flow_info): Work on trees too.

* tree-pretty-print.c (dump_generic_bb_stuff):  Do not touch bb
annotations when not allocated.

From-SVN: r78227

tree-ssa-dom.c (cprop_into_stmt): Look at the type's main variant to determine if...

        * tree-ssa-dom.c (cprop_into_stmt): Look at the type's main variant
        to determine if the two operands of a copy have equivalent types.

From-SVN: r78226

tree-flow-inline.h (may_propagate_copy): Do not perform ABNORMAL_PHI and DECL_HARD_REGISTER tests on virtual operands.

* tree-flow-inline.h (may_propagate_copy): Do not perform ABNORMAL_PHI
and DECL_HARD_REGISTER tests on virtual operands.
* tree-flow.h (propagate_copy): Kill prototype.
(propagate_value): New prototype.
* tree-ssa-dom.c (propagate_copy): Now static.
(propagate_value): No longer static.

From-SVN: r78210

Daily bump.

From-SVN: r78199

re PR middle-end/14218 ([tree-ssa] Failure of gcc.c-torture/execute/920501-5.c)

        PR middle-end/14218
        * c-simplify.c (mark_labels_r): Move to ...
        * gimplify.c (force_labels_r): ... here, and rename.
        (gimplify_init_constructor): Invoke it.
        * tree-simple.h (force_labels_r): Declare.

From-SVN: r78183

Mark pr last change.

From-SVN: r78182

tree-ssa-ccp.c (substitute_and_fold): Also mark new vars if fold_stmt was successful.

        * tree-ssa-ccp.c (substitute_and_fold): Also mark new vars
        if fold_stmt was successful.

From-SVN: r78181

invoke.texi: Add documentation for parameters global-var-threshold and max-aliased-vops.

* doc/invoke.texi: Add documentation for parameters
global-var-threshold and max-aliased-vops.
* params.def (PARAM_GLOBAL_VAR_THRESHOLD): Reformat help message.
(PARAM_MAX_ALIASED_VOPS): Rename from PARAM_MAX_ALIAS_SET_SIZE.
* params.h (MAX_ALIASED_VOPS): Rename from MAX_ALIAS_SET_SIZE.
Update all users.
* tree-ssa-alias.c (struct alias_map_d): Document fields.
Add fields total_alias_vops, grouped_p and may_aliases.
(struct alias_info): Change fields addressable_vars and
pointers to malloc'd arrays.  Update all users.
Add fields num_references and total_alias_vops.
(compute_may_aliases): Add more comments.
(init_alias_info): Initialize new fields in struct alias_info.
(delete_alias_info): Corresponding changes.
(compute_points_to_and_addr_escape): Count references to
potentially aliased variables and pointer dereferences.
(compute_flow_insensitive_aliasing): Remove old grouping
heuristic.
Count the number of virtual operands induced by all the alias
sets created and call group_aliases if the number exceeds the
threshold set by --param max-aliased-vops.
(total_alias_vops_cmp): New.
(group_aliases_into): New.
(group_aliases): New.
* tree-ssa-operands.c (get_expr_operands): Change dump file
message when no flow-sensitive alias information is available.
(add_stmt_operand): Reformat comment.
* tree-ssa.c (init_tree_ssa): Don't call bitmap_clear.

* tree-simple.c (get_base_decl): Fix typo in comment.

* tree-pretty-print.c (print_call_name): Handle matrices of
function pointers.

From-SVN: r78170

Makefile.in (tree-ssa-loop.o): Add tree-inline.h dependency.

* Makefile.in (tree-ssa-loop.o): Add tree-inline.h dependency.
* basic-block.h (struct reorder_block_def): Moved from cfglayout.h.
(alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): New.
* bb-reorder.c (copy_bb): Use cfghooks for bb duplication.
* cfg.c (rbi_pool): New variable.
(alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New functions.
* cfghooks.c (can_duplicate_block_p, duplicate_block): New functions.
* cfghooks.h (struct cfg_hooks): Add can_duplicate_block_p and
duplicate_block hooks.
(can_duplicate_block_p, duplicate_block): Declare.
* cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
(fixup_reorder_chain): Use initialize_bb_rbi.
(cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
(cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
(can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
* cfglayout.h (typedef struct reorder_block_def): Moved to
basic_block.h.
(cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
removed.
* cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
and duplicate_block fields.
* common.opt (ftree-ch): Add.
* flags.h (flag_tree_ch): Declare.
* jump.c (next_nonnote_insn_in_loop, duplicate_loop_exit_test,
copy_loop_headers): Removed.
* loop-unswitch.c (unswitch_loop): Use cfghooks for bb duplication.
* opts.c (decode_options): Enable flag_tree_ch at -O1.
(common_handle_option): Handle -ftree_ch.
* rtl.h (copy_loop_headers): Declaration removed.
* timevar.def (TV_TREE_CH): New.
* toplev.c (flag_tree_ch): New.
(rest_of_compilation): Do not call copy_loop_headers.
* tracer.c (tail_duplicate): Use cfghooks for bb duplication.
* tree-cfg.c (build_tree_cfg): Call alloc_rbi_pool.
(create_bb): Call initialize_bb_rbi.
(delete_tree_cfg): Call free_rbi_pool.
(tree_duplicate_bb): Hookize.
(tree_can_duplicate_bb_p): New.
(tree_cfg_hooks): Fill in can_duplicate_block_p and duplicate_block
fields.
* tree-flow.h (tree_duplicate_bb): Declaration removed.
* tree-optimize.c (init_tree_optimization_passes): Add pass_ch.
* tree-pass.h (pass_ch): Declare.
* tree-ssa-loop.c: Include tree-inline.h.
(call_expr_p, should_duplicate_loop_header_p, mark_defs_for_rewrite,
duplicate_blocks, copy_loop_headers, gate_ch): New functions.
(pass_ch): New.
* doc/invoke.texi (-fdump-tree-ch, -ftree-ch): Document.

* gcc.dg/tree-ssa/copy-headers.c: New test.
* gcc.dg/tree-ssa/20030711-1.c: Update outcome.
* gcc.dg/tree-ssa/20030714-2.c: Ditto.
* gcc.dg/tree-ssa/20030807-3.c: Ditto.

From-SVN: r78165

Daily bump.

From-SVN: r78138

c-opts.c (warn_variadic_macros): New.

        * c-opts.c (warn_variadic_macros): New.
        (c_common_handle_option): Set it.
        (sanitize_cpp_opts): Copy it to cpp_opts.
        * c.opt (Wvariadic-macros): New.
        * cpplib.h (struct cpp_options): Add warn_variadic_macros.
        * cppinit.c (cpp_create_reader): Initialize it.
        * cppmacro.c (parse_params): Check it.

From-SVN: r78128

Forgot to commit.

From-SVN: r78118

aix.h (MFWRAP_SPEC): Define.

2004-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (MFWRAP_SPEC): Define.
        (MFLIB_SPEC): Define.

From-SVN: r78112

tree-cfg.c (cleanup_dead_labels): New function to remove redundant labels.

* tree-cfg.c (cleanup_dead_labels): New function to remove
redundant labels.
Patch from Steven.

From-SVN: r78108

* gcc.c-torture/compile/20040219-1.c: New test.

From-SVN: r78107

tree-ssa-phiopt.c (tree_ssa_phiopt): TRUTH_NOT_EXPR is valid gimple code.

* tree-ssa-phiopt.c (tree_ssa_phiopt): TRUTH_NOT_EXPR is valid
gimple code.

From-SVN: r78105

fold-const.c (invert_truthvalue): Do not call invert_tree_comparison for unordered comparison codes.

        * fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
        for unordered comparison codes.

From-SVN: r78104

Remove the RTL inliner.

* calls.c (try_to_integrate): Remove.
(expand_call): Do not try to expand calls inline.
* dbxout.c (dbxout_symbol_location): Don't mention integrate.c
in comments.
* expmed.c (extract_fixed_bit_field): Always propagate the
target for the shift if it is a REG.
* expr.c (emit_move_insn_1): Don't generate inline warnings.
(expand_expr_real_1): Don't look at inline_function_decl.
Don't output inlined functions here.
* expr.h (expand_inline_function): Remove prototype.
* emit-rtl.c (copy_most_rtx): Don't copy the integrated flag.
Copy the new return_val flag.
* final.c (final): Don't look at RTX_INTEGRATED_P.
* cfgrtl.c (create_basic_block_structure): Likewise.
* haifa-sched.c (priority): Likewise.
(restore_line_notes): Likewise.
* function.c (inline_function_decl): Remove.
(put_var_into_stack): Don't use it.
(fix_lexical_addr): Likewise.
* function.c (inline_function_decl): Remove extern declaration.
* genattrtab.c (ATTR_PERMANENT_P): Use the return_val flag
instead of the integrated flag.
* integrate.c (INTEGRATE_THRESHOLD): Remove.
(setup_initial_hard_reg_value_integration): Likewise.
(initialize_for_inline): Likewise.
(note_modified_parmregs): Likewise.
(integrate_parm_decls): Likewise.
(process_reg_param): Likewise.
(save_parm_insns): Likewise.
(copy_insn_list): Likewise.
(copy_insn_notes): Likewise.
(compare_blocks): Likewise.
(find_block): Likewise.
(inlining): Likewise.
(function_cannot_inline_p): Likewise.
(parmdecl_map): Likewise.
(in_nonparam_insns): Likewise.
(save_for_inline): Likewise.
(FIXED_BASE_PLUS): Likewise.
(expand_inline_function): Likewise.
(copy_rtx_and_substitute): Don't look at map->integrating,
map->inline_target, and inlining, since we are never copying
for integrating.
Don't abort on RTX_INTEGRATED_P.
(old_fun): Remove.
(output_inline_function): Remove.
* integrate.h (struct inline_map): Remove fields integrating,
block_map, leaf_reg_map, inline_target, and local_return_label.
* print-rtl.c (print_rtx): Don't print the integrated flag.
Print the return_val flag.
* rtl.h (struct rtx_def): Replace the integrated flag with the
return_val flag.
(RTX_INTEGRATED_P): Remove.
(notice_rtl_inlining_of_deferred_constant): Remove prototype.
* stmt.c (force_label_rtx): Don't look at inline_function_decl.
* toplev.c (rest_of_handle_inlining): Remove.
(rest_of_compilation): Don't call it, and never jump to exit.
Call convert_from_eh_region_ranges.
(wrapup_global_declarations): Don't output nested inlined functions.
* tree.h (function_cannot_inline_p): Remove prototype.
(save_for_inline): Ditto.
(output_inline_function): Ditto.
* unroll.c (unroll_loop): Don't clear map->inline_target.
* varasm.c (notice_rtl_inlining_of_deferred_constant): Remove.

* system.h: Poison INTEGRATE_THRESHOLD.
* config/avr/avr.h: Remove define.
* config/ip2k/ip2k.h: Likewise.

* unwind-sjlj.c (uw_install_context): Make a proper static inline
function.

cp/
* decl.c (poplevel): Don't output nested inline functions.

java/
* decl.c (poplevel): Don't output nested inline functions.

doc/
* rtl.texi: Remove references to the integrated flag.
* tm.texi: Remove documentation of INTEGRATE_THRESHOLD.

From-SVN: r78088

Make-lang.in ($(srcdir)/fortran/gfortran.info): Move...

* Make-lang.in ($(srcdir)/fortran/gfortran.info): Move...
(fortran/gfortran.info): ... to here.
(f95.srcinfo): New.

From-SVN: r78086

Daily bump.

From-SVN: r78065

Daily bump.

From-SVN: r78004

fix formatting.

mVS: ----------------------------------------------------------------------

From-SVN: r77982

tree-ssa-live.c (coalesce_tpa_members): Don't coalesce partitions which are not in the same TPA group.

2004-02-17  Andrew Macleod  <amacleod@redhat.com>

* tree-ssa-live.c (coalesce_tpa_members):  Don't coalesce partitions
which are not in the same TPA group.
* tree-ssa.c (rewrite_out_of_ssa):  Coalesce via list first.

From-SVN: r77981

* cfghooks.c (split_edge): Speed up updating of dominators.

From-SVN: r77974

MAINTAINERS: Add myself to write-after-approval.

2004-02-17  Brian Booth  <bbooth@redhat.com>

        * MAINTAINERS: Add myself to write-after-approval.

        * MAINTAINERS.tree-ssa: Add self to write after approval.

From-SVN: r77967