* config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
in addition to pentium and pentiumpro symbols.
(CPP_CPU_DEFAULT_SPEC): Likewise.
From-SVN: r36534
* stmt.c (expand_expr_stmt): Only call warn_if_unused_value
if the tree has side effects.
(warn_if_unused_value): Do not warn about void constructs.
From-SVN: r36532
Fix for IA-64 abort compiling xaaPCache.c from XFree86
* unroll.c (final_giv_value): Pass increment through
extend_value_for_giv before passing it to emit_iv_add_mult.
From-SVN: r36517
2000-09-18 Bruno Haible <haible@clisp.cons.org>
* intl/dcgettext.c: Outside libc, use local variable names that don't
clash with those in libc.
* intl/bindtextdom.c: Likewise.
* intl/textdomain.c: Likewise.
From-SVN: r36516
* function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
paradoxical subreg, then directly substitute the replacement and
return.
From-SVN: r36515
* cpp.texi: Update documentation, including some clarifications,
the treatment of various newline combinations, and space
between backslash and newline.
From-SVN: r36514
2000-09-15 Andrew Haley <aph@redhat.com>
* toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
remove all SETs of SUBREGs of hard registers.
* function.c (purge_hard_subreg_sets): New function.
(purge_single_hard_subreg_set): New function.
* rtl.h: (purge_hard_subreg_sets): New function.
From-SVN: r36511
* config/ia64/ia64-protos.h: Update.
* config/ia64/ia64.c (signed_inequality_operator): New.
(ia64_expand_compare): New.
(ia64_register_move_cost): Handle PR_REGS moves.
(ia64_secondary_reload_class): Require a GR when moving to a PR.
(struct reg_write_state): Add written_by_and/or.
(struct reg_flags): Add is_and/or.
(rws_update): Set them.
(rws_access_regno): Test them to allow parallel comparisons.
(rtx_needs_barrier): Recognize parallel comparisons.
(emit_insn_group_barriers): Set prev_insn after a call stop bit.
Call recog_memoized; ignore pred_rel_mutex.
(emit_predicate_relation_info): Don't call find_basic_blocks here.
(ia64_reorg): Do it here instead.
* config/ia64/ia64.h: s/CCmode/BImode/g
(MODES_TIEABLE_P): Don't tie BImode.
(PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
(CONST_COSTS): Pick sensible values for CONST_INT based on context.
(RTX_COSTS): Make multiply 4 insns.
(MEMORY_MOVE_COST): New.
(PREDICATE_CODES): Update.
* config/ia64/ia64.md: s/CCmode/BImode/g
(movcci, movbi): New.
(andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
(cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
(cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
(tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
(cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
(cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
(tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
(mulsi, muldi): Use xmpy not xma.
(cmpbi): New.
(movcc, movcc_internal): Remove.
(branch expanders): Use ia64_expand_compare.
(setcc expanders): Likewise.
(cmov insns): Use move_operand and ia64_move_ok.
(pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
scheduler from moving it past a use.
* config/ia64/build.hacks: Remove.
From-SVN: r36510
* cpphash.h (HASHSTEP): Take character rather than pointer
to character.
(_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
* cpphash.c (cpp_loookup): Update for new HASHSTEP.
* cpplex.c (auto_expand_name_space, trigraph_replace,
backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
KNOWN_DIRECTIVE): Delete.
(handle_newline, check_long_token, skip_escaped_newlines,
unterminated): New functions.
(ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
(parse_identifier): Was parse_name, new implementation.
(skip_line_comment, skip_block_comment, skip_whitespace,
parse_number, parse_string, trigraph_ok, save_comment,
adjust_column, _cpp_get_line): New implementations.
(lex_token): New function. Lexes a token at a time, looking
forwards. Contains most of the guts of the old lex_line.
(lex_line): New implementation, using lex_token to obtain
individual tokens.
(cpp_scan_buffer): Use the token's line, not the list's line.
* cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
New implementations.
(do_assert): Don't bother setting the answer's list's line.
(cpp_push_buffer): Initialise new pfile and read_ahead members
of struct cpp_buffer.
* cpplib.h (cppchar_t): New typedef.
(struct cpp_buffer): read_ahead, pfile and col_adjust are
new members.
(struct lexer_state): New structure that determines the state
and behaviour of the lexer.
(IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
(struct cpp_reader): New member "state". Rename
multiline_string_line and multiline_string_column. Delete
col_adjust, in_lex_line members.
(CPP_BUF_COLUMN): Update.
* gcc.dg/cpp/cmdlne-C.c: Remove bogus warning test.
From-SVN: r36509
* combine.c (combine_simplify_rtx): Use gen_unary to distribute
the NOT for De Morgan's rule.
* simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
of a comparison to the reverse comparison.
From-SVN: r36506
* machmode.def: Add BImode. Add a column for bitsize.
* machmode.h (DEF_MACHMODE): Adjust for extra column.
(GET_MODE_BITSIZE): Use it.
* rtl.c (DEF_MACHMODE): Adjust for extra column.
(mode_bitsize): New.
(mode_mask_array): Use bitsize.
* combine.c (combine_simplify_rtx): Require inner and outer
modes to match on nonzero_bits optimizations.
From-SVN: r36501
* config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
MAYBE_DEAD.
(sh_expand_epilogue): Take the PIC register into account when
computing the frame size.
From-SVN: r36496
* c-common.c (check_format_info): Properly save the argument
number and parameter for $ operand number formats in case width
and precision arguments are also used. Allow printf width and
precision arguments to have operand numbers even if none was
specified for the main format, since this is OK for %*.*m. Only
object to missing $ operand number if the format used requires an
argument.
testsuite:
* gcc.dg/format-ext-1.c: Add tests for mixing %m with $ formats.
* gcc.dg/format-xopen-1.c: Fix error in one $ format test. Add
more $ format tests.
From-SVN: r36493
Neil Booth
Phil Edwards
David Edelsohn
David Edelsohn
Kaveh R. Ghazi
Bernd Schmidt
Richard Henderson
Richard Henderson
Jeff Law
Mark Mitchell
Benjamin Kosnik
Geoff Keating
Jim Wilson
Bruno Haible
J"orn Rennecke
Andrew Haley
Yuri V. Baskakov
Alexandre Oliva
William Cohen
Joseph Myers