* expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
returned MEM.
(expand_expr_unaligned, case ARRAY_REF): Check that index is
a constant before comparing it; use tree_low_cst.
* tree.c (save_expr): Set TREE_READONLY.
(substitute_expr): Return inside of NON_LVALUE_EXPR.
(build, build1): Set TREE_READONLY if all operands are.
(build_index_type): If upper bound is a negative number, lower
bound is zero and sizetype is unsigned, use upper bound of one and
lower of zero.
From-SVN: r36979
* stor-layout.c (compute_record_mode): Use tree_low_cst.
Don't use mode of field for record unless sizes are the same.
(layout_type, case ARRAY_TYPE): Remove special bounds handling
previously added for Ada; also change to using host_integerp
and tree_low_cst.
From-SVN: r36976
* loop.c (strength_reduce): Show when new register made for
giv is known to be a pointer and its aligment if so and known.
(loop_dump_aux): Show VERBOSE parameter unused.
From-SVN: r36975
* fold-const.c (force_fit_type): Unsigned values can overflow
if they are sizetype.
(int_const_binop): Don't use cache if overflows.
* cp/typeck.c (dubious_conversion_warning): Suppress if
TYPE_IS_SIZETYPE.
From-SVN: r36970
* combine.c (struct undo): Change int to unsigned int.
(do_SUBST_INT): Args are unsigned int.
(make_extraction, force_to_mode): Use proper type when forming mask.
(make_field_assignment): Likewise.
From-SVN: r36967
* c-common.c (check_format_info_recurse): Extract string constant
initializers from non-volatile constant arrays and check them as
formats.
* c-typeck.c (decl_constant_value): Don't check pedantic or check
for DECL_MODE (decl) != BLKmode.
(decl_constant_value_for_broken_optimization): New function which
includes these checks.
(default_conversion, convert_for_assignment, digest_init): Use
decl_constant_value_for_broken_optimization instead of
decl_constant_value.
testsuite:
* gcc.dg/format-array-1.c: New test.
From-SVN: r36965
* config/avr/avr-protos.h (avr_output_bld): New.
(out_shift_with_cnt): Add t_len argument.
* config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
(output_movqi, output_movhi, output_movsisf): Optimize loading
any constant with exactly one bit set to NO_LD_REGS.
(out_shift_with_cnt): Optimize output code for size or speed,
depending on optimize_size. Handle small shift counts as well
(if not hand-optimized in ?sh??i3_out). Shifts can be done
with or without a scratch register, with help of __tmp_reg__
or __zero_reg__ if necessary. Add T_LEN argument to pass the
length of TEMPLATE in words, return total insn length in *LEN.
(ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
out_shift_with_cnt to work with the above change.
(ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
lshrsi3_out): Likewise. Optimize more known shift count cases.
Remove cases already well optimized in out_shift_with_cnt.
(avr_output_bld): New function.
* config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
(TARGET_SWITCHES): Remove -mpack-args backward compatibility.
* config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
Add reload_completed to insn condition - only for peepholes.
(ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
in a register or memory.
(ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
Do not require a scratch register.
(*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
*lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
Optimize shifts by known count using a scratch register, but only
if one is still available after register allocation.
From-SVN: r36963
2000-10-19 Benjamin Kosnik <bkoz@purist.soma.redhat.com>
* testsuite/22_locale/codecvt_unicode_char.cc (test01): Adjust
creation of state_type for unicode_codecvt to take into account
the byte order markings. Add distinct tests for UCS-2BE and UCS-2LE.
* testsuite/22_locale/codecvt_unicode_wchar_t.cc (test01): Same.
* include/bits/codecvt.h (__enc_traits): Add support for encodings
that need a byte order marker. Needed for correct unicode support.
* src/locale.cc: Remove explicit qualification std::.
(locale::locale(const char* __name)): Revert, as named locale
support not finished.
* src/localename.cc (locale::_Impl:: _Impl(size_t __numfacets,
size_t __refs, bool __has_name = false, string __name): Move
default argument...
* include/bits/localefwd.h: Here.
From-SVN: r36959
* class.c (subobject_offset_fn): New type.
(dfs_record_base_offsets): Remove.
(record_base_offsets): Likewise.
(dfs_search_base_offsets): Likewise.
(record_subobject_offset): New function.
(check_subobject_offset): Likewise.
(walk_subobject_offsets): Likewise.
(record_subobject_offsets): Likewise.
(layout_conflict_p): Reimplement.
(layout_nonempty_base_or_field): Correct handling of type
conflicts during layout.
(layout_empty_base): Likewise.
(build_base_field): Adjust to handle new representation of empty
base offset table.
(build_base_fields): Likewise.
(layout_virtual_bases): Likewise.
(splay_tree_compare_integer_csts): New function.
(layout_class_type): Use a splay_tree, rather than a varray, to
represent the offsets of empty bases.
From-SVN: r36958
* alias.c: (mark_constant_function): Don't check pure functions.
Initialize and end alias analysis.
(nonlocal_mentioned_p): Rename from nonlocal_reference_p.
Don't make a special exception for recursion. Handle
UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
unless it's volatile.
* local-alloc.c (equivalence): New structure.
(reg_equiv): Define.
(contains_replace_regs): Remove array and use
field in reg_equiv.
(memref_referenced_p): Likewise.
(no_equiv): Likewise.
(update_equiv_regs): Likewise.
(equiv_init_varies_p,
equiv_init_movable_p): New functions.
(update_equiv_regs): Use them. Use rtx_varies_p
instead of function_invariant_p. Process insns
from end to beginning. Allow a REG_EQUIV insn
within the same loop as a use to be moved, also
allow it to be moved out of a loop. Update
REG_DEAD notes when substituting into an insn.
From-SVN: r36957
2000-07-18 Bryce McKinlay <bryce@albatross.co.nz>
* parse.y (find_most_specific_methods_list): Select the only
non-abstract method even if max has been set.
Fixes gcj/285, gcj/298.
(http://gcc.gnu.org/ml/gcc-patches/2000-10/msg00646.html)
From-SVN: r36956
* c-decl.c (start_decl): Check for error_mark_node type before using
COMPLETE_TYPE_P.
(finish_decl): Likewise. Don't give an error if decl type is
already error_mark_node.
From-SVN: r36955
* haifa-sched.c (compute_trg_info): Add explanatory comments.
New local update_blocks. Use update_blocks to remove duplicates
when computing update blocks. Check for bblst_table overflow.
(schedule_block): Add explanatory comment. Reduce bblst_size by
factor of 2.
* config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
notes.
From-SVN: r36954
2000-07-19 Alexandre Petit-Bianco <apbianco@cygnus.com>
* parse.y (process_imports): Consider that one might be trying to
import an innerclass. Fixes gcj/254
(http://gcc.gnu.org/ml/gcc-patches/2000-10/msg00631.html)
From-SVN: r36948
2000-10-18 Alexandre Petit-Bianco <apbianco@cygnus.com>
* gjavah.c (add_class_decl): Removed unused variables `tname',
`tlen' and `name_index'.
* java-tree.h (BUILD_FILENAME_IDENTIFIER_NODE): New macro.
* jcf-parse.c (jcf_parse_source): Use it and set EXPR_WFL_FILENAME
in `wfl_operator' with value.
(yyparse): Use BUILD_FILENAME_IDENTIFIER_NODE.
(jcf_figure_file_type): Fixed identation.
* lex.c (java_get_line_col): Use EOF. Tuned `^' placement.
* parse.y (analyze_clinit_body): New function.
(static_initializer:): Reset `current_static_block'.
(java_parser_context_restore_global): Set EXPR_WFL_FIILENAME_NODE in
`wfl_operator' with new value.
(lookup_cl): Use EXPR_WFL_FILENAME.
(maybe_yank_clinit): Handle bogus <clinit> bodies, call
analyze_clinit_body.
(build_outer_field_access): Access to this$<n> built from
current_class, not its outer context.
(build_access_to_thisn): Fixed leading comment. Tidied things up.
(resolve_qualified_expression_name): Handle `T.this' and `T.this.f()'.
(patch_method_invocation): Use `is_static_flag' when already
initialized.
(patch_newarray): Removed assignment in ternary operator.
(http://gcc.gnu.org/ml/gcc-patches/2000-10/msg00629.html)
From-SVN: r36946
2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
David V. Henkel-Wallace <gumby@cygnus.com>
* config/i386/t-netware: Bring in from the Red Hat tree.
* config/i386/netware.h: Likewise.
* config/netware.h: Likewise.
* config/rs6000/netware.h: Delete.
* configure.in: Add i[34567]86-*-netware.
* configure: Hand-edit to match configure.in change.
Co-Authored-By: David V. Henkel-Wallace <gumby@cygnus.com>
From-SVN: r36941
* c-common.c (check_format_types): Check for writing through a
NULL pointer argument.
testsuite:
* gcc.dg/c90-printf-1.c, gcc.dg/c90-scanf-1.c: Add tests for
writing through null pointers; remove comment about testing
unterminated strings.
From-SVN: r36936
Jason Merrill
Jason Merrill
Tom Tromey
Tom Tromey
Richard Kenner
Richard Kenner
David Edelsohn
Richard Henderson
Richard Henderson
Jeffrey Oldham
Joseph Myers
Mark Mitchell
Marek Michalkiewicz
Alexandre Oliva
Jeff Law
J. David Anglin
Benjamin Kosnik
John Wehle
Bryce McKinlay
Jim Wilson
Chandrakala Chavva
Jan Hubicka
Alexandre Petit-Bianco
Benjamin Kosnik
Chip Salzenberg
Geoff Keating
Marc Espie
Marc Espie
Jakub Jelinek