* builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
into memcpy (x, y, 1) if memcpy can be expanded inline.
* gcc.c-torture/execute/builtins/memmove.c (main_test): Formatting.
* gcc.c-torture/execute/builtins/memmove-2.c: New test.
* gcc.c-torture/execute/builtins/memmove-2-lib.c: New.
From-SVN: r87539
* tree-ssa-dom.c (avail_exprs_stack): New global varray.
(struct dom_walk_block_data): Remove avail_exprs member.
(tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
(lookup_avail_expr): No longer need to pass in address of
the block local available exprs stack. All callers changed.
(simplify_cond_and_lookup_avail_expr): Similarly.
(simplify_switch_and_lookup_avail_expr): Similarly.
(get_eq_expr_value, record_cond): Likewise.
(record_dominating_conditions): Likewise.
(update_rhs_and_lookup_avail_expr): Likewise.
(record_equivalences_from_stmt): Likewise.
(dom_opt_initialize_block_local_data): No longer test state of
block local avail_exprs.
(dom_opt_initialize_block): Mark unwind point in the global
avail_expr stack.
(remove_expressions_from_table): Update to unwind to the
most recent unwind marker in the global avail_expr stack.
All callers changed.
(dom_opt_finalize_block): Mark unwind point in the global
avail_expr stack as needed.
(record_cond): Push elements into the global avail_exprs stack.
From-SVN: r87532
PR c++/17324
* mangle.c (partially_mangled_name): New variable.
(partially_mangled_name_len): Likewise.
(save_partially_mangled_name): New function.
(restore_partially_mangled_name): Likewise.
(write_encoding): Save and restore partially mangled names around
calls to get_mostly_instantiated_function_type.
(write_unqualified_name): Likewise.
PR c++/17324
* g++.dg/template/mangle1.C: New test.
From-SVN: r87530
PR tree-optimization/17252
* tree-ssa-alias.c (may_alias_p): Don't assume that a
pointer may not point to itself when using relaxed
aliasing rules.
testsuite/ChangeLog
PR tree-optimization/17252
* gcc.c-torture/execute/pr17252.c: New test.
From-SVN: r87529
2004-09-14 Andrew Pinski <apinski@apple.com>
* g++.dg/tree-ssa/pointer-reference-alias.C: New test.
2004-09-14 Andrew Pinski <apinski@apple.com>
* tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
sets of the pointers but the aliasing sets of what they point to.
From-SVN: r87527
PR rtl-optimization/9771
* regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
conditional compilation in init_reg_sets_1.
(init_reg_sets_1): Let global_regs[i] take priority over the frame
(but not stack) pointer exceptions to regs_invalidated_by_call.
(globalize_reg): Globalizing a fixed register may need to update
regs_invalidated_by_call.
* gcc.dg/pr9771-1.c: New test case.
From-SVN: r87516
PR tree-optimization/15262
* tree-dfa.c (dump_variable): Also print the type of the
variable.
* tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
memory tags are of conflicting alias sets but have no aliased
symbols in common, add one tag to the alias set of the other.
(setup_pointers_and_addressables): Remove hack to deal with
programs with no aliased symbols.
(may_alias_p): Don't special case aggregate types.
testsuite/ChangeLog
PR tree-optimization/15262
* gcc.c-torture/execute/pr15262-1.c: New test.
* gcc.c-torture/execute/pr15262-2.c: New test.
From-SVN: r87515
2004-09-14 H.J. Lu <hongjiu.lu@intel.com>
PR libgcj/17465
* testsuite/lib/libffi-dg.exp: Don't use global ld_library_path.
Set up LD_LIBRARY_PATH, SHLIB_PATH, LD_LIBRARYN32_PATH,
LD_LIBRARY64_PATH, LD_LIBRARY_PATH_32, LD_LIBRARY_PATH_64 and
DYLD_LIBRARY_PATH.
From-SVN: r87511
2004-09-14 Nathan Myers <ncm@cantrip.org>
* include/bits/fstream.tcc (xsgetn): Slightly tweak the recent fix
for 11722: copy can replace move; the common case is __avail == 0.
From-SVN: r87501
2004-09-14 Paolo Carlini <pcarlini@suse.de>
* include/bits/cpp_type_traits.h: Rename __is_trivially_copyable
to __is_scalar, more clear and consistent with "tr1" naming.
* include/bits/stl_algobase.h: Update consistently throughout.
From-SVN: r87497
* tree-ssa-dom.c (stmts_to_rescan): Move from a block-local varray
to a global varray.
(tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
(dom_opt_initialize_block_local_data): No longer test stmts_to_rescan's
state.
(dom_opt_finalize_block): Update due to change in scope of
stmts_to_rescan.
(optimize_stmt): Similarly.
From-SVN: r87494
* unroll.c: Removed.
* loop.h: Removed.
* Makefile.in (LOOP_H, unroll.o): Removed.
(toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
dependency.
* alias.c (init_alias_analysis): Remove flag_old_unroll_loops
reference.
* cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
* common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
* loop.c: Do not include loop.h.
(LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
struct loop_regs, struct loop_movables, struct loop_info): Moved
from loop.h.
(back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
find_common_reg_term, loop_iterations, final_giv_value): Moved
from unroll.c.
(uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
loop_dump_stream, for_each_insn_in_loop, express_from,
extend_value_for_giv, loop_iv_add_mult_emit_before,
loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
loop_insn_first_p, get_condition_for_loop,
loop_insn_emit_before, loop_insn_hoist,
loop_insn_sink): Made static.
(loop_invariant_p): Made static. Removed flag_old_unroll_loops
reference.
(strength_reduce): Do not call unroller.
(record_giv): Do not initialize unrolled field.
(prescan_loop): Do not set loop_info->preconditioned.
* passes.c: Do not include loop.h.
(rest_of_handle_loop_optimize): Do not call unroller.
* predict.c: Do not include loop.h.
* rtl.h (NOTE_PRECONDITIONED): Removed.
* stmt.c: Do not include loop.h.
* toplev.c: Do not include loop.h.
(process_options): Do not handle flag_old_unroll_loops.
* doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
Documentation removed.
* doc/passes.texi (unroll.c, loop.h): Documentation removed.
From-SVN: r87485
* Makefile.in (STAGE1_CHECKING): New variable.
(stage1_build): Use it.
* tree-ssa.c (verify_ssa): Preserve state of dominance
information.
From-SVN: r87484
2004-09-13 Bud Davis <bdavis9659@comcast.net>
PR fortran/17090
* io/list_read.c (list_formatted_read): Handle trailing spaces
at end of line.
2004-09-13 Bud Davis <bdavis9659@comcast.net>
PR fortran/17090
* gfortran.dg/pr17090.f90: New test.
From-SVN: r87474
* Makefile.in (predict.o): Depend on tree-scalar-evolution.h
* predict.c: Include tree-scalar-evolution.h and cfgloop.h
(predict_loops): Use number_of_iterations_exit to predict
number of iterations on trees.
From-SVN: r87473
Alan Modra
Nathan Sidwell
Jakub Jelinek
Zdenek Dvorak
Richard Sandiford
Eric Botcazou
Jeff Law
Mark Mitchell
Diego Novillo
Richard Henderson
Andrew Pinski
GCC Administrator
Roger Sayle
Joseph Myers
H.J. Lu
Jan Hubicka
Mark Mitchell
Nathan Myers
Paolo Carlini
Kazu Hirata
Bud Davis
Uros Bizjak
James E Wilson
Loren J. Rittle
Tom Tromey
DJ Delorie
Aaron W. LaFramboise
Kenneth Zadeck
Dale Johannesen