* tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
comments.
(issue_prefetch_ref): Move assignment to write_p out of loop.
(determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
SIMULTANEOUS_PREFETCHES into account.
(loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
* lambda-code.c (lcm): Renamed to ...
(least_common_multiple): ... and exported.
* tree-flow.h (least_common_multiple): Declare.
From-SVN: r118730
* Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
* tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
ud-chains. Handle AND_EXPR.
(record_estimate): Record whether the estimate is realistic
and whether it is derived from a loop exit.
(record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
functions.
(compute_estimated_nb_iterations): Take only realistic bounds into
account. Set estimate_state. Use double_ints.
(infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
and infer_loop_bounds_from_signedness. Do not consider basic blocks
that do not have to be always executed.
(estimate_numbers_of_iterations_loop): Set estimate_state, and use it
to determine whether to call infer_loop_bounds_from_undefined
and compute_estimated_nb_iterations.
(n_of_executions_at_most): Use double_ints.
(free_numbers_of_iterations_estimates_loop): Set estimate_state.
(substitute_in_loop_info): Do not replace in estimated_nb_iterations.
* double-int.c (double_int_to_tree): Improve comment.
(double_int_fits_to_tree_p): New function.
* double-int.h (double_int_fits_to_tree_p): Declare.
* tree-data-ref.c: Include langhooks.h.
(estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
(analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
(analyze_array): Do not pass estimate_only argument to
analyze_array_indexes.
(get_number_of_iters_for_loop): Build tree from the stored double_int
value.
(get_references_in_stmt, find_data_references_in_stmt): New functions.
(find_data_references_in_loop): Use find_data_references_in_stmt.
* tree-data-ref.h (struct data_ref_loc_d): New.
(get_references_in_stmt): Declare.
(estimate_iters_using_array): Declaration removed.
* cfgloop.h (struct nb_iter_bound): Change type of bound to
double_int. Improve comments. Add is_exit and realistic
fields.
(struct loop): Changed type of estimated_nb_iterations to double_int.
Added estimate_state field.
(record_estimate): Declaration removed.
From-SVN: r118729
PR tree-optimization/13827
* fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
as ((X^Y)&C) op 0.
* gcc.dg/fold-eqand-1.c: New test case.
From-SVN: r118727
* cfgloopmanip.c (update_single_exit_for_duplicated_loop,
update_single_exit_for_duplicated_loops): New functions.
(duplicate_loop_to_header_edge): Use
update_single_exit_for_duplicated_loops.
* tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
functions only with ENABLE_CHECKING.
From-SVN: r118726
* fold-const.c (int_binop_types_match_p): New function.
(size_binop): Relax constraint that both arguments must both have
exactly the same sizetype type. Instead use int_binop_types_match_p.
(size_diffop): Likewise.
(make_range): Use build_int_cst instead of fold_convert.
(fold_cond_expr_with_comparison): Use build_int_cst to construct
integer constants of the correct type.
(fold_div_compare): Likewise.
(fold_single_bit_test): Likewise.
(fold_binary): Likewise.
* stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
From-SVN: r118718
2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR rtl-opt/28812
* alias.c (fixed_scalar_and_varying_struct_p): Don't return a
non null value if the struct memory access is in the 0th
aliasing set.
2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR rtl-opt/28812
* gcc.c-torture/execute/mayalias-3.c: New test.
From-SVN: r118716
Revert
2006-11-11 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
and __BFIN__.
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
instead of builtin_define for bfin and BFIN.
From-SVN: r118713
* extended.texi (__builtin_expect): We no longer require second argument
to be constant.
* gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
* builtins.c (expand_builtin_expect): Simplify.
(expand_builtin_expect_jump): Kill.
* final.c (final_scan_insn): Do not skip the removed notes.
* insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
EXPECTED_VALUE): Remove.
* dojump.c (do_jump): Do not care about __builtin_expect.
* predict.c (expected_value_to_br_prob): Kill.
* function.c (expand_function_end): Do not expand
NOTE_INSN_REPEATED_LINE_NUMBER.
* print-rtl.c (print_rtx): Do not pretty print the removed notes.
* expect.c (sjlj_emit_function_enter): Emit directly branch probability.
* cfgexpand.c (add_reg_br_prob_note): Export.
* cfgcleanup.c (rest_of_handle_jump2): Do not call
expected_value_to_br_prob.
* cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
* rtl.h (add_reg_br_prob_note): Declare.
From-SVN: r118697
* extended.texi (__builtin_expect): We no longer require second argument
to be constant.
* gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
* builtins.c (expand_builtin_expect): Simplify.
(expand_builtin_expect_jump): Kill.
* final.c (final_scan_insn): Do not skip the removed notes.
* insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
EXPECTED_VALUE): Remove.
* dojump.c (do_jump): Do not care about __builtin_expect.
* predict.c (expected_value_to_br_prob): Kill.
* function.c (expand_function_end): Do not expand
NOTE_INSN_REPEATED_LINE_NUMBER.
* print-rtl.c (print_rtx): Do not pretty print the removed notes.
* expect.c (sjlj_emit_function_enter): Emit directly branch probability.
* cfgexpand.c (add_reg_br_prob_note): Export.
* cfgcleanup.c (rest_of_handle_jump2): Do not call
expected_value_to_br_prob.
* cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
* rtl.h (add_reg_br_prob_note): Declare.
From-SVN: r118696
* tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
* tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
(tree_ssa_prefetch_arrays): Do not dump for removed loops.
From-SVN: r118691
* tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
when attempting to build INTEGER_CSTs of non-integral types.
* expmed.c (make_tree): Use the correct type, i.e. the inner
type, when constructing the individual elements of a CONST_VECTOR.
From-SVN: r118678
2006-11-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29758
* check.c (gfc_check_reshape): Check that there are enough
elements in the source array as to be able to fill an array
defined by shape, when pad is absent.
2006-11-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29758
* gfortran.dg/reshape_source_size_1.f90: New test.
From-SVN: r118664
2006-11-10 Frank Ch. Eigler <fche@redhat.com>
PR libmudflap/28578
* mf-hooks1.c (__mf_0fn_malloc): Make the bootstrap buffers
static but not function scope static.
(free): Skip deallocation attempts for objects placed into
bootstrap buffers.
* testsuite/libmudflap.cth/pass59-frag.c: New test.
M libmudflap/mf-hooks1.c
M libmudflap/ChangeLog
A libmudflap/testsuite/libmudflap.cth/pass59-frag.c
From-SVN: r118662
2006-11-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29315
* trans-expr.c (is_aliased_array): Treat correctly the case where the
component is itself and array or array reference.
2006-11-10 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29315
* gfortran.dg/aliasing_dummy_4.f90: New test.
From-SVN: r118659
* builtins.c (do_mpfr_arg3): New.
(fold_builtin_1): Handle builtins fma, fmin and fmax.
testsuite:
* gcc.dg/torture/builtin-math-2.c: Test builtin fma.
* gcc.dg/torture/builtin-math-3.c (CKSGN_F, CKSGN, CKSGN_L):
New macros. Use them in exact tests.
(TESTIT3): New macro.
Add tests for fmin, fmax and fma.
From-SVN: r118648
Zdenek Dvorak
Roger Sayle
David Daney
Andreas Schwab
Paolo Carlini
Paul Thomas
Andrew Pinski
Jie Zhang
GCC Administrator
Tobias Schlüter
Tobias Schlüter
Kaveh R. Ghazi
Jan Hubicka
Jan Hubicka
Richard Guenther
Richard Sandiford
Peter Bergner
Brooks Moses
Frank Ch. Eigler
Tobias Burnus
Jakub Jelinek
Uros Bizjak
Brooks Moses