2005-07-27 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (push_fields_onto_fieldstack):
Avoid pushing again if current struct contains only
fields we decomposed.
* gcc.dg/tree-ssa/salias-1.c: New testcase.
From-SVN: r102424
PR fortran/22503
* resolve.c (resolve_operator): Improve diagnostic for comparison
of logicals with invalid operator.
* gfortran.dg/logical_comp.f90: New test.
From-SVN: r102417
PR tree-optimization/22504
* tree-complex.c (expand_complex_addition): Use 'code' instead
of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
From-SVN: r102401
PR 22591
* tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
whether a pointer of type T * may point to objects of type T *.
testsuite/ChangeLog
PR 22591
* gcc.dg/tree-ssa/pr22591.c: New test.
* gcc.dg/tree-ssa/20030807-7.c: XFAIL everywhere.
From-SVN: r102393
* doc/install.texi (--with-build-sysroot): Fix grammatical error.
Clarify use of "build" in name.
* Makefile.tpl (SYSROOT_CFLAGS_FOR_TARGET): New variable.
(CFLAGS_FOR_TARGET): Use it.
(CXXFLAGS_FOR_TARGET): Likewise.
* Makefile.in: Regenerated.
* configure.in (--with-build-sysroot): New option.
* configure: Regenerated.
From-SVN: r102389
2005-07-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/22486
* fold-const.c (fold_unary): Fold away useless component
references of the form (T *)&T.x, if the address
doesn't change.
* gcc.dg/tree-ssa/upcast-1.c: New testcase.
From-SVN: r102381
2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
* tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
types when flag_unsafe_math_optimizations is true.
2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
* gcc.dg/tree-ssa/reassoc-3.c: New test.
* gcc.dg/tree-ssa/reassoc-4.c: New test.
From-SVN: r102368
* gcc.c (option_map): Add --sysroot.
(process_command): Handle --sysroot.
(display_help): Document it.
* doc/cppopts.tex (-isysroot): Document.
* doc/invoke.texi (--sysroot): Document.
* doc/install.texi (--with-build-sysroot): Document.
* Makefile.in (inhibit_libc): New variable.
(INHIBIT_LIBC_CFLAGS): Likewise.
(LIBGCC2_CFLAGS): Include
$(INHIBIT_LIBC_CFLAGS).
(CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
($(T)crtbegin.o): Do not use @inhibit_libc@.
($(T)crtend.o): Likewise.
($(T)crtbeginS.o): Do not use @inhibit_libc@.
($(T)crtendS.o): Likewise.
($(T)crtbeginT.o): Do not use @inhibit_libc@.
($(T)crtendT.o): Likewise.
(stmp-fixinc): Do not complain about missing headers if
inhibit_libc.
* configure.ac (inhibit_libc): Set it to true/false.
(--with-build-sysroot): New option. Use it to set
SYSTEM_HEADER_DIR.
* configure: Regenerated.
From-SVN: r102367
2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
PR other/22337
* ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
(ggc_print_statistics): Initialize variable before use.
From-SVN: r102362
2005-07-25 Richard Guenther <rguenther@gcc.gnu.org>
* gcc.dg/tree-ssa/flatten-1.c: Use longer function names
for matching of asm labels.
From-SVN: r102361
2005-07-25 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (mark_new_vars_to_rename): Protect against
calling with a PHI_NODE argument.
* tree-flow-inline.h (overlap_subvar): Protect against
possible overflow.
From-SVN: r102358
* expr.c (highest_pow2_factor): Make extern.
* tree-data-ref.c (ptr_decl_may_alias_p): New function.
(ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
record_array_differ_p, array_ptr_differ_p): Likewise.
(base_object_differ_p): Rename (from array_base_name_differ_p). Support
additional cases. Call the above functions.
(base_addr_differ_p): Moved from tree-vect-analyze.c. Call
base_object_differ_p when there are two base objects. Otherwise, compare
base address and offset. Call may_alias_p.
(dump_data_reference): Use a correct field name.
(analyze_array): Make static. Initialize new data-ref fields.
(analyze_indirect_ref): New function.
(init_data_ref): Initialize new data-ref fields.
(strip_conversion): Moved from tree-vect-analyze.c.
(analyze_offset_expr, get_ptr_offset, address_analysis, object_analysis):
Likewise.
(analyze_offset): New function.
(create_data_ref): Likewise.
(initialize_data_dependence_relation): Call base_addr_differ_p. Compare
dimensions for ARRAY_REFs only.
(build_classic_dist_vector): Make static.
(access_functions_are_affine_or_constant_p): Call macro to get the
address of access functions.
(compute_all_dependences): Add new parameter
compute_self_and_read_read_dependences. Compute self and read-read
dependences if it is true.
(find_data_references_in_loop): Call create_data_ref. Initialize new
data-ref fields.
(compute_data_dependences_for_loop): Add new parameter
compute_self_and_read_read_dependences. Remove parameter nb_loops,
compute nb_loops. Call compute_all_dependences, build_classic_dist_vector
and build_classic_dir_vector with correct parameters.
(analyze_all_data_dependences): Call compute_data_dependences_for_loop with
correct parameters. Compare dimensions for ARRAY_REFs only.
(free_data_refs): Call macro to free access functions.
* tree-data-ref.h (struct first_location_in_loop): New structure. Move
fields from stmt_vinfo.
(struct base_object_info): New structure.
(struct data_reference): Move fields to base_object_info. Add fields
first_location and object_info for above structures. Move fields from
stmt_info: memtag, ptr_info, subvars, misalignment. Add new field aligned_to.
Add macros to access the new fields.
Update functions declarations.
* tree-flow.h (is_aliased_with): Declare.
* tree-loop-linear.c (linear_transform_loops): Call
compute_data_dependences_for_loop with correct parameters.
* tree-ssa-alias.c (is_aliased_with): New function.
* tree-vect-analyze.c (vect_get_ptr_offset): Remove.
(vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
(vect_analyze_data_ref_dependence): Get ddr. Remove call to
vect_base_addr_differ_p, compute_subscript_distance and
build_classic_dist_vector. Add printings. Check absolute value of
distance.
(vect_analyze_data_ref_dependences): Go through ddrs instead of data-refs.
(vect_compute_data_ref_alignment): Get the fields of data-ref instead of
stmt. Check aligned_to. Check if the base is aligned. Remove conversion
to bytes. Add printing.
(vect_compute_data_refs_alignment): Go through loads and stores in one loop.
(vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
vect_analyze_data_ref_access): Likewise.
(vect_analyze_pointer_ref_access): Remove.
(vect_address_analysis, vect_object_analysis): Likewise.
(vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
and analyze data-refs in the loop.
* tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
fields of data-ref instead of stmt. Add init to the offset from the base.
(vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
(vect_update_init_of_dr): Likewise.
(vect_update_inits_of_drs): Go through loads and stores in one loop.
* tree-vectorizer.c (new_stmt_vec_info): Remove initialization of removed
fields.
(new_loop_vec_info): Initialize new fields.
(destroy_loop_vec_info): Free new fields.
(vect_strip_conversion): Remove.
* tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
(struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
datarefs. Add new field ddrs.
Add macros for the new fields access.
(struct _stmt_vec_info): Remove: base_address, initial_offset, step,
base_aligned_p, misalignment, memtag, ptr_info and subvars.
Remove their macros.
* tree.h (highest_pow2_factor): Declare.
From-SVN: r102356
PR fortran/20063
* data.c (gfc_assign_data_value_range): Call
create_character_initializer if last_ts is a character type.
* gfortran.fortran-torture/execute/data_4.f90: New test.
From-SVN: r102349
