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PR c/14092
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1 2004-02-10  Paolo Bonzini  <bonzini@gnu.org>
2
3         PR c/14092
4         * fold-const.c (fold) <NEGATE_EXPR>: Convert result of
5         negate_expr back to the original type.
6
7 2004-02-10  Alan Modra  <amodra@bigpond.net.au>
8
9         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Don't
10         bump retaddr here.
11
12 2004-02-10  Paolo Bonzini  <bonzini@gnu.org>
13
14         * rtl.h (schedule_insns, schedule_ebbs, fix_sched_param,
15         gen_lowpart_SUBREG): Move under the file in which they
16         are actually declared.
17
18 2004-02-10  Arnaud Charlet  <charlet@act-europe.fr>
19
20         * doc/sourcebuild.texi: Add libada documentation.
21
22         * doc/install.texi: Update documentation on Ada build, now
23         that the GNAT lib and tools are built automatically.
24
25 2004-02-10  Richard Sandiford  <rsandifo@redhat.com>
26
27         * config/mips/mips.h (TARGET_GPWORD): Return false for TARGET_NEWABI
28         && TARGET_IRIX.
29
30 2004-02-09  Ziemowit Laski  <zlaski@apple.com>
31
32         * objc/objc-act.c (get_super_receiver): Move '#ifdef OBJCPLUS'
33         boundaries outside build_component_ref() call (a macro in ObjC++).
34
35 2004-02-09  Bob Wilson  <bob.wilson@acm.org>
36
37         * config/xtensa/xtensa-protos.h (xtensa_copy_incoming_a7): Update.
38         (init_cumulative_args): Likewise.
39         (a7_overlap_mentioned_p): Delete prototype.
40         * config/xtensa/xtensa.c (struct machine_function): Replace
41         incoming_a7_copied field with need_a7_copy and vararg_a7 flags.
42         Add set_frame_ptr_insn field.
43         (xtensa_emit_move_sequence): Update call to xtensa_copy_incoming_a7.
44         (xtensa_copy_incoming_a7): Rewrite to check need_a7_copy flag and check
45         if the operand is an argument in a7.  If so, copy a7 to a new pseudo
46         at the function entry and replace the operand with the pseudo.
47         (init_cumulative_args): Remove unused arguments.  Add new "incoming"
48         argument and record this flag in CUMULATIVE_ARGS.
49         (function_arg): Remove result_mode and special-case code to handle
50         arguments in a7.  Instead, set need_a7_copy flag when there is an
51         incoming argument in a7.
52         (xtensa_expand_prologue): Remove code to search for set_frame_ptr insn
53         and use the value recorded in cfun->machine->set_frame_ptr_insn.
54         (xtensa_builtin_saveregs): Check for negative gp_left value.  Set
55         need_a7_copy and vararg_a7 flags.  Use move_block_from_reg instead of
56         special-case code.
57         (a7_overlap_mentioned_p): Delete.
58         * config/xtensa/xtensa.h (CUMULATIVE_ARGS): Add "incoming" flag.
59         (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Remove useless
60         arguments to init_cumulative_args and pass "incoming" flag instead.
61         (BLOCK_REG_PADDING): Delete.
62         * config/xtensa/xtensa.md (movdi, movsf, movdf): Remove unnecessary
63         checks for reload_in_progress and reload_completed.  Update calls to
64         xtensa_copy_incoming_a7.
65         (ashlsi3): Rename existing insn to ashlsi3_internal.  Add expander
66         to call xtensa_copy_incoming_a7.
67
68 2004-02-09  DJ Delorie  <dj@redhat.com>
69
70         * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): No
71         longer modify standard_exec_prefix, standard_bindir_prefix, or
72         standard_startfile_prefix.
73
74 2004-02-09  James E Wilson  <wilson@specifixinc.com>
75
76         PR c++/11295
77         * c-common.c (c_expand_expr, case STMT_EXPR): Change expand_expr call
78         to expand_expr_real call, and pass in alt_rtl as last argument.
79
80         PR libstdc++/5625
81         * builtin-types.def (BT_WORD, BT_FN_WORD_PTR): New.
82         * builtins.c (expand_builtin): Handle BUILT_IN_EXTEND_POINTER.
83         * builtins.def (BUILT_IN_EXTEND_POINTER): New.
84         * except.c (expand_builtin_extend_pointer): New.
85         * except.h (expand_builtin_extend_pointer): Declare.
86
87 2004-02-09  David Edelsohn  <edelsohn@gnu.org>
88
89         * config/rs6000/rs6000.c (rs6000_emit_move): Remove splitting slow
90         unaligned loads and stores.
91
92 2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
93
94         * config/mips/iris5.h (BSS_SECTION_ASM_OP): Define.
95         * config/mips/iris6.h (BSS_SECTION_ASM_OP): Undef.
96
97         * config/mips/iris6.h (TARGET_ASM_NAMED_SECTION): Moved ...
98         * config/mips/iris5.h: ... here.
99         * config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Remove.
100
101         * config/mips/iris6.h (EXTRA_SECTION_FUNCTIONS): Move ...
102         * config/mips/iris5.h: ... here.
103
104 2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
105
106         * configure.ac: Remove default executable files before AC_PROG_CC.
107         * configure: Regenerate.
108
109 2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>
110
111         PR target/13721
112         * config/h8300/h8300.c (byte_reg): Call abort() if asked to
113         print a operand other than a register.
114
115 2004-02-09  Roger Sayle  <roger@eyesopen.com>
116
117         * fold-const.c (fold) <NOP_EXPR>: Use the original type conversion
118         tree code rather than call fold_convert, which doesn't specify a
119         default floating point to integer conversion.
120
121 2004-02-08  Bernardo Innocenti  <bernie@develer.com>
122
123         * config/m68k/m68k.c, config/m68k/m68k.md (SGS, SGS_CMP_ORDER): Remove
124         code to support SGS assembler.  Reformat adjacent code where possible.
125         * config/m68k/m68k.c (switch_table_difference_label_flag): Remove
126         definition.
127         * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Remove support
128         for '%#'.
129         * config/m68k/linux.h, config/m68k/m68k.c,
130         * config/m68k/math-68881.h: Replace `%#' with `#' in inline asm
131         macros and asm_printf() format strings.
132         * config/m68k/m68kelf.h (ASM_OUTPUT_CASE_END): Remove macro definition.
133         * config/m68k/linux.h: Update copyright.
134         * config/m68k/linux.h, config/m68k/m68k.c: Remove traling whitespace.
135
136 2004-02-08  Andreas Schwab  <schwab@suse.de>
137             Bernardo Innocenti  <bernie@develer.com>
138
139         * config/m68k/m68k.h (REGISTER_NAMES): Prefix each name with
140         REGISTER_PREFIX.
141         * (M68K_FP_REG_NAME): New macro to specify an alternate name for the
142         frame pointer register, overridable by OS targets.
143         * (M68K_REGNAME): Macro to obtain register name for asm output,
144         eventually replacing %a6 with M68K_FP_REG_NAME.
145         * config/m68k/coff.h (REGISTER_NAMES): Don't redefine.
146         * config/m68k/linux.h (REGISTER_NAMES): Likewise.
147         * config/m68k/m68kelf.h (REGISTER_NAMES): Likewise.
148         * config/m68k/netbsd-elf.h (REGISTER_NAMES): Likewise.
149         * config/m68k/m68k.c: Use M68K_REGNAME(x) in place of reg_names[x].
150
151 2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
152
153         * target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
154         hook_rtx_tree_int_null.
155         * targhooks.c (default_struct_value_rtx): Remove.
156         * targhooks.h: Remove the prototype for
157         default_struct_value_rtx.
158         * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
159         config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
160         config/ip2k/ip2k.c, config/iq2000/iq2000.c,
161         config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
162         config/mn10300/mn10300.c, config/pdp11/pdp11.c,
163         config/rs6000/rs6000.c, config/s390/s390.c,
164         config/stormy16/stormy16.c, config/v850/v850.c,
165         config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
166         * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.
167
168 2004-02-08  Joseph S. Myers  <jsm@polyomino.org.uk>
169
170         * README.Portability: Change "ISO C89" to "ISO C90".
171         * c-parse.in (primary, initelt): Likewise.
172
173 2004-02-08  Richard Sandiford  <rsandifo@redhat.com>
174
175         * real.c (encode_ibm_extended): Normalize the input value before
176         converting it to a double.  Handle the case where a normal value
177         rounds to infinity.
178
179 2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>
180
181         * c-objc-common.c (c_cannot_inline_tree_fn): Fix a typo in a
182         warning.
183         * cse.c (preferrable): Change to preferable. Update all of its
184         callers.
185         * genautomata.c (ainsn): Change
186         first_ainsn_with_given_equialence_num to
187         first_ainsn_with_given_equivalence_num.  Update all of its
188         references.
189
190 2004-02-08  Jan Hubicka  <jh@suse.cz>
191
192         * schedule-ebb.c (schedule_ebbs): Do not allocate reg life data.
193
194 2004-02-07  David Edelsohn  <edelsohn@gnu.org>
195
196         * function.c (assign_parms): Fix formatting.
197
198 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
199
200         * default.h (PROMOTE_PROTOTYPES): Remove.
201         * system.h (PROMOTE_FUNCTION_RETURN, PROMOTE_PROTOTYPES,
202         STRUCT_VALUE_REGNUM, SETUP_INCOMING_VARARGS,
203         EXPAND_BUILTIN_SAVEREGS): Poison.
204         * target-def.h (TARGET_PROMOTE_FUNCTION_RETURN): Define as
205         hook_bool_tree_false.
206         (TARGET_PROMOTE_PROTOTYPES): Likewise.
207         * target.h: Replace SETUP_INCOMING_VARARGS with
208         targetm.calls.setup_incoming_varargs().
209         * targhooks.c (default_promote_function_return): Remove.
210         (default_promote_prototypes): Likewise.
211         (default_struct_value_rtx): Always abort().
212         (default_expand_builtin_saveregs): Always print an error
213         message.
214         (default_setup_incoming_varargs): Do nothing.
215         (default_pretend_outgoing_varargs_named): Don't depend on
216         SETUP_INCOMING_VARARGS.
217         * targhooks.h: Remove the prototype for
218         default_promote_function_return and
219         default_promote_prototypes.
220
221 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
222
223         * system.h (SHARED_SECTION_ASM_OP): Poison.
224         * varasm.c (data_section): Don't use SHARED_SECTION_ASM_OP.
225         * doc/tm.texi (SHARED_SECTION_ASM_OP): Remove.
226
227 2004-02-07  Zack Weinberg  <zack@codesourcery.com>
228
229         Bug 13856
230         * c-decl.c (diagnose_mismatched_decls): Only give special
231         treatment when olddecl is DECL_BUILT_IN, if C_DECL_INVISIBLE
232         is also true.
233         (merge_decls): Don't clear DECL_BUILT_IN_CLASS and
234         DECL_FUNCTION_CODE when defining a built-in function.
235         Don't update DECL_ESTIMATED_INSNS.
236         * dwarf2out.c (dwarf2out_decl): Don't ignore built-in
237         FUNCTION_DECLs.
238         * tree.h: Delete DECL_ESTIMATED_INSNS.
239         * tree-inline.c (struct inline_data): Delete inlined_insns field.
240         (expand_call_inline, optimize_inline_calls): Don't update
241         DECL_ESTIMATED_INSNS nor inlined_insns.
242         * cgraphunit.c (cgraph_analyze_function): Don't update
243         DECL_ESTIMATED_INSNS.
244
245 2004-02-07  Zack Weinberg  <zack@codesourcery.com>
246
247         * c-common.c (shadow_warning): Delete.
248         * c-common.h (free_parser_stacks, shadow_warning, sw_kind): Delete.
249         * c-decl.c (warn_if_shadowing): Issue shadow warnings directly.
250         * c-opts.c (c_common_parse_file): Don't call free_parser_stacks.
251         * c-parse.in (free_parser_stacks): Delete.
252
253 2004-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
254
255         * Makefile.in, config/t-slibgcc-darwin, config/t-slibgcc-elf-ver,
256         config/t-slibgcc-sld, config/mips/t-iris5-6, config/sh/t-linux:
257         Use the top level mkinstalldirs, not the one in the gcc subdir.
258         * mkinstalldirs: Remove (from the gcc subdir).
259
260 2004-02-07  Roger Sayle  <roger@eyesopen.com>
261
262         PR middle-end/13696
263         * fold-const.c (fold_convert): New function to provide type
264         conversion to the middle-end without using convert.
265         (negate_expr, associate_trees, size_diffop, omit_one_operand,
266         operand_equal_for_comparison_p, pedantic_omit_one_operand,
267         invert_truthvalue, optimize_bit_field_compare, range_binop,
268         decode_field_reference, make_range, build_range_check, unextend,
269         fold_truthop, extract_muldiv_1, fold_mathfn_compare,
270         fold_binary_op_with_conditional_arg, fold_inf_compare,
271         fold_single_bit_test, fold, multiple_of_p): Replace all calls to
272         convert with calls to fold_convert.
273
274 2004-02-07  Jan Hubicka  <jh@suse.cz>
275
276         * genrecog.c (find_operand): add extra argument stop.
277         (validate_pattern): Verify that mach_dup is duplicating operand
278         defined lexically earlier.
279
280 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
281
282         * config.gcc: Don't mention MAX_LONG_TYPE_SIZE.
283         * system.h (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
284         MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Poison.
285         * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
286         config/ia64/ia64.h, config/ip2k/ip2k.h,
287         config/iq2000/iq2000.h, config/mips/iris5.h,
288         config/mips/mips.h, config/pa/pa-64.h, config/pa/pa.h,
289         config/rs6000/aix51.h, config/rs6000/aix52.h,
290         config/rs6000/darwin.h, config/rs6000/rs6000.h,
291         config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h,
292         config/sparc/linux.h, config/sparc/linux64.h,
293         config/sparc/netbsd-elf.h, config/sparc/sparc.h,
294         config/xtensa/xtensa.h: Remove the definitions of
295         MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE, and/or
296         MAX_WCHAR_TYPE_SIZE.
297         * doc/tm.texi (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
298         MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Remove.
299
300 2004-02-07  Stephane Carrez  <stcarrez@nerim.fr>
301
302         PR bootstrap/13990
303         * config/m68hc11/m68hc11.md ("doloop_end"): Pass dummy arguments to
304         gen_rtx_NE.
305
306 2004-02-07  Josef Zlomek  <zlomekj@suse.cz>
307
308         * var-tracking.c (vt_add_function_parameters): Surround checkings by
309         #ifdef ENABLE_CHECKING and #endif.
310
311 2004-02-07  Roger Sayle  <roger@eyesopen.com>
312
313         * fold-const.c (negate_expr_p, negate_expr): Optimize -(A+B) into
314         either (-A)-B or (-B)-A, if A or B is easily negated respectively.
315         (fold) <MINUS_EXPR>: Optimize (A*C) - (B*C) -> (A-B)*C for both
316         integer types and floating point with unsafe_math_optimizations.
317         Add similar optimization for (A*C1) - (A*C2) -> A*(C1-C2).
318         Optimize A - B as A + (-B), if B is easily negated.
319
320 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
321
322         * c-ppoutput.c, cfganal.c, diagnostic.h, print-rtl.c,
323         config/darwin.c, config/darwin.h, config/ia64/ia64-c.c,
324         config/m32r/linux.h, config/rs6000/ppc64-fp.c,
325         config/sparc/openbsd.h, doc/makefile.texi, doc/passes.texi:
326         Update copyright.
327
328 2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>
329
330         * c-ppoutput.c, var-tracking.c: Fix comment typos.
331
332 2004-02-06  James E Wilson  <wilson@specifixinc.com>
333
334         * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Only define for
335         glibc 2.3 or better.
336
337 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
338
339         * doc/tm.texi (TARGET_FLOAT_LIB_COMPARE_RETURNS_BOOL): Change
340         to FLOAT_LIB_COMPARE_RETURNS_BOOL.
341
342 2004-02-07  Alan Modra  <amodra@bigpond.net.au>
343
344         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
345         (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
346         (SHLIB_MKMAP_OPTS): Delete.
347         (TARGET_LIBGCC2_CFLAGS): Add -specs.
348         (bispecs): Add rule.
349         * config/rs6000/libgcc-ppc64.ver: New file.
350         * config/rs6000/ppc64-fp.c (__fixtfdi, __floatditf): New functions.
351         (__floatdidf, __floatdisf): Optimize multiply.
352         (__fixunstfdi): New function.
353         * config/rs6000/rs6000.c (rs6000_complex_function_value): Allow for
354         real and imag parts larger than one register.
355         (function_arg): Correct type of reg used when fp arg split partially
356         to stack.
357         * config/rs6000/darwin-ldouble.c: Protect with #if !_SOFT_FLOAT
358         and __MACH__ or __powerpc64__.
359
360 2004-02-06  Roger Sayle  <roger@eyesopen.com>
361             Ulrich Weigand  <uweigand@de.ibm.com>
362
363         * builtins.c (expand_builtin_signbit): Use extract_bit_field instead
364         of gen_highpart or gen_lowpart when the floating point format is
365         wider than the result mode.
366
367 2004-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
368
369         * dwarf2out.c (loclabel_num): Move into #ifdef
370         DWARF2_DEBUGGING_INFO.
371
372 2004-02-06  Ziemowit Laski  <zlaski@apple.com>
373
374         * objc/objc-act.c (build_super_template) the 'class' field of
375         'struct _objc_super' shall be named 'super_class' #ifdef OBJCPLUS.
376         (get_super_receiver): Likewise.
377
378 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
379
380         * reload1.c (check_eliminable_occurrences): Optimize the reset
381         of can_eliminate.
382         (eliminate_regs_in_insn): Likewise.
383
384 2004-02-06  Daniel Berlin <dberlin@dberlin.org>
385             Josef Zlomek  <zlomekj@suse.cz>
386
387         * dwarf2out.c (struct gcc_debug_hooks): Call dwarf2out_begin_function
388         at the beginning of function, call dwarf2out_var_location for
389         NOTE_INSN_VAR_LOCATION note.
390         (struct var_loc_node, struct var_loc_list_def, loclabel_num,
391         decl_loc_table): New.
392         (lookup_decl_loc): New function.
393         (add_var_loc_to_decl): New function.
394         (based_loc_descr): Added parameter can_use_fbreg, DW_OP_fbreg is used
395         only if can_use_fbreg.
396         (mem_loc_descriptor): Added parameter can_use_fbreg, pass it to other
397         functions.
398         (loc_descriptor): Likewise. Process VAR_LOCATION.
399         (concat_loc_descriptor): Call loc_descriptor with can_use_fbreg == true.
400         (loc_descriptor_from_tree): Call mem_loc_descriptor with
401         can_use_fbreg == true.
402         (add_location_or_const_value_attribute): Added parameter enum
403         dwarf_attribute attr, generate attribute ATTR.  Create the location list.
404         (add_bound_info): Call loc_descriptor with can_use_fbreg == true.
405         (gen_formal_parameter_die): Call add_location_or_const_value_attribute
406         with attr == DW_AT_location.
407         (gen_subprogram_die): Generate the location list for DW_AT_frame_base
408         if frame_base_decl is defined and has a location list.
409         (gen_variable_die): Call add_location_or_const_value_attribute with
410         attr == DW_AT_location.
411         (dwarf2out_var_location): New function.
412         (dwarf2out_begin_function): New function.
413         (dwarf2out_init): Create decl_loc_table.
414
415 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
416
417         * loop.c (force_movables): Transitively increase the priorities of
418         all insns forces by an insn, not just the first one.
419
420 2004-02-06  Josef Zlomek  <zlomekj@suse.cz>
421             Daniel Berlin <dberlin@dberlin.org>
422
423         Josef Zlomek  <zlomekj@suse.cz>
424         * Makefile.in (var-tracking.o): New.
425         * common.opt (fvar-tracking): New.
426         * flags.h (flag_var_tracking): New.
427         * gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added.
428         * opts.c (common_handle_option): Add OPT_fvar_tracking.
429         * print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added.
430         * rtl.c (note_insn_name): Likewise.
431         * rtl.def (VAR_LOCATION): New.
432         * rtl.h (NOTE_VAR_LOCATION): New.
433         (NOTE_VAR_LOCATION_DECL): New.
434         (NOTE_VAR_LOCATION_LOC): New.
435         (enum insn_note): NOTE_INSN_VAR_LOCATION was added.
436         (variable_tracking_main): New exported function.
437         * timevar.def (TV_VAR_TRACKING): New.
438         * toplev.c (enum dump_file_index): Added DFI_vartrack.
439         (dump_file): "vartrack" was added (-dV).
440         (flag_var_tracking): New.
441         (f_options): "var-tracking" was added.
442         (rest_of_handle_variable_tracking): New function.
443         (rest_of_compilation): Run variable tracking.
444         (process_options): If user has not specified flag_var_tracking set it
445         according to optimize, debug_info_level and debug_hooks.
446         * tree.h (frame_base_decl): New.
447         * var-tracking.c: New file.
448         * config/ia64/ia64.c (ia64_flag_var_tracking): New variable.
449         (ia64_override_options): Set flags to run variable tracking in machine
450         dependent reorg instead of toplev.c.
451         (ia64_reorg): Run variable tracking if wanted.
452         * doc/invoke.texi: Mention variable tracking in -dV,
453         add and -fvar-tracking.
454         * doc/passes.texi: Added variable tracking pass.
455
456         Daniel Berlin <dberlin@dberlin.org>
457         * debug.h (struct gcc_debug_hooks): Added var_location debug hook.
458         * dbxout.c (dbx_debug_hooks): Likewise.
459         (xcoff_debug): Likewise.
460         * debug.c (do_nothing_debug_hooks): Likewise.
461         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
462         * dwarfout.c (dwarf_debug_hooks): Likewise.
463         * sdbout.c (sdb_debug_hooks): Likewise.
464         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
465         * final.c (final_scan_insn): Call var_location debug hook for each
466         NOTE_INSN_VAR_LOCATION.
467
468 2004-02-06  Jan Hubicka  <jh@suse.cz>
469
470         * flow.c (update_life_info): Allocate reg_deaths when called from
471         scheudler.
472         (attempt_auto_inc):  Update life ranges accordingly.
473
474 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
475
476         PR debug/11816
477         * dwarf2out.c (gen_decl_die): Handle anonymous struct members.
478
479 2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
480
481         * cfganal.c (flow_call_edges_add): Never split a libcall block.
482
483 2004-02-06  Daniel Berlin  <dberlin@dberlin.org>
484
485         * dwarf2out.c (output_loc_list): Don't use deltas if we have
486         a separate line info table in use.
487         Use the correct size for terminators.
488         (output_die): Use offset, not delta.
489
490 2004-02-06  H.J. Lu  <hongjiu.lu@intel.com>
491
492         * doc/invoke.texi: Remove the pni option from -mfpmath=.
493
494 2004-02-06  Jan Hubicka  <jh@suse.cz>
495
496         * recog.c (split_all_insns): Do not update reg info.
497         * regrename.c (regrename_optimize): Likewise.
498         * toplev.c (rest_of_handle_reorder_blocks): Likewise.
499         * flow.c (struct propagate_block_info): Add insn_num field.
500         (reg_deaths): New array.
501         (life_analysis): Free reg_deaths info.
502         (allocate_reg_life_data): Allocate reg_deaths array.
503         (propagate_one_insn): Use new array.
504         (init_propagate_block): Initialize it.
505         (free_propagate_block_info): Finish compuation of
506         REG_LIVE_LENGTH
507         (attempt_auto_inc): Sanity check that REG_INFO is not
508         computed at same time.
509         (mark_used_regs): Update new array.
510
511         * reg-stack.c (subst_stack_regs): Unshare clobbers before
512         substitution.
513
514 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
515
516         * config/s390/s390.md (*extendsiqi2_short_displ): Change to
517         *extendqisi2_short_displ.
518
519 2004-02-06  Alan Modra  <amodra@bigpond.net.au>
520
521         * doc/tm.texi (INIT_CUMULATIVE_ARGS): Update doco.
522         * calls.c (expand_call): Pass n_named_args to INIT_CUMULATIVE_ARGS.
523         (emit_library_call_value_1): Likewise pass nargs.
524         * expr.c (block_move_libcall_safe_for_call_parm): Pass 3 here.
525         * function.c (assign_parms): Pass -1 to INIT_CUMULATIVE_ARGS.
526         * config/rs6000/rs6000.c (init_cumulative_args): Use n_named_args
527         parameter instead of scanning TYPE_ARGS_TYPES to count args.
528         * config/rs6000/rs6000-protos.h (init_cumulative_args): Update
529         prototype.
530         * config/rs6000/rs6000.h (INIT_CUMULATIVE_ARGS): Pass extra arg.
531         (INIT_CUMULATIVE_INCOMING_ARGS): Set extra arg to 1000.
532         (INIT_CUMULATIVE_LIBCALL_ARGS): Set extra arg to 0.
533         * config/sh/sh.c (sh_output_mi_thunk): Pass 1 as n_named_args to
534         INIT_CUMULATIVE_ARGS.
535         * config/alpha/alpha.h (INIT_CUMULATIVE_ARGS): Update.
536         * config/alpha/unicosmk.h, config/alpha/vms.h, config/arc/arc.h,
537         config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
538         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.h,
539         config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
540         config/ia64/ia64.h, config/ip2k/ip2k.h, config/iq2000/iq2000.h,
541         config/iq2000/iq2000.c, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
542         config/m68k/m68k.h, config/mcore/mcore.h, config/mips/mips.h,
543         config/mmix/mmix.h, config/mn10300/mn10300.h, config/ns32k/ns32k.h,
544         config/pa/pa.h, config/pdp11/pdp11.h, config/s390/s390.h,
545         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
546         config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Likewise.
547
548 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
549
550         * genemit.c (gen_exp) [CONST_INT]: Use const_int_rtx whenever
551         possible.
552
553 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
554
555         * reload1.c (eliminate_regs_in_insn): If a set has a REG_EQUAL
556         note containing (plus (reg) (const_int)), where reg is an
557         eliminable reg, then perform the register elimination without
558         depending on eliminate_regs().
559
560 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
561
562         * config/arc/arc.c (arc_return_in_memory): Check the return
563         value of int_size_in_bytes against -1.  Don't check
564         TREE_ADDRESSABLE.
565         * config/avr/avr.c (avr_return_in_memory): Check the return
566         value of int_size_in_bytes against -1.
567         * config/ip2k/ip2k.c (ip2k_return_in_memory): Likewise.
568         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory):
569         Likewise.
570         * config/mcore/mcore.c (mcore_return_in_memory): Likewise.
571         * config/stormy16/stormy16.c (xstormy16_return_in_memory):
572         Likewise.
573
574 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
575
576         * config/frv/frv-protos.h: Remove the prototype for
577         frv_setup_incoming_varargs.
578         * config/frv/frv.c (TARGET_SETUP_INCOMING_VARARGS): New.
579         (frv_setup_incoming_varargs): Make it static.
580         * config/frv/frv.h (SETUP_INCOMING_VARARGS): Remove.
581
582 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
583
584         * config/fr30/fr30-protos.h: Remove the prototype for
585         fr30_setup_incoming_varargs.
586         Update the prototypes for fr30_num_arg_regs and
587         fr30_function_arg_partial_nregs.
588         * config/fr30/fr30.c (TARGET_STRUCT_VALUE_RTX): New.
589         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
590         (fr30_setup_incoming_varargs): Make it static.
591         Add argument second_time.  Don't do anything when second_time
592         is nonzero.
593         (fr30_num_arg_regs): Change the type of the first argument to
594         enum machine_mode.
595         (fr30_function_arg_partial_nregs): Change the type of the
596         second argument to enum machine_mode.
597         * config/fr30/fr30.h (STRUCT_VALUE): Remove.
598         (SETUP_INCOMING_VARARGS): Remove.
599
600 2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>
601
602         * config/arc/arc-protos.h: Remove the prototype for
603         arc_setup_incoming_varargs.
604         * config/arc/arc.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
605         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
606         (arc_setup_incoming_varargs): Make it static.
607         (arc_external_libcall): Likewise.
608         * config/arc/arc.h (SETUP_INCOMING_VARARGS): Remove.
609         Remove the commented-out definition of
610         ASM_OUTPUT_EXTERNAL_LIBCALL.
611
612 2004-02-05  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
613
614         * config/sh/t-linux (SHLIB_INSTALL): Prepend $$(DESTDIR)
615         to $$(slibdir) in the installation commands.
616
617 2004-02-05  David Edelsohn  <edelsohn@gnu.org>
618
619         * reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs
620         with inner_regno, not regno.
621         * rtlanal.c (refers_to_regno_p): Same.
622
623 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
624
625         * config.gcc: Remove i370 support.
626
627 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
628
629         * doc/install.texi:  Update automake and autoconf version
630         requirements.  Note where to find gcj automake version.
631
632 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
633
634         * Makefile.in (generate-manpages): Move dependencies to ...
635         (man): here.
636         * doc/makefile.texi: Document new targets.
637         * doc/sourcebuild.texi (Make-lang.in): Document new langhooks.
638
639 2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>
640
641         PR/13485
642         Makefile.in (srcextra):  Add a level of indirection to ...
643         (gcc.srcextra): ... here.
644         (po-generated): Delete.
645         (po/$(PACKAGE).pot: Use srcextra instead of po-generated.  Depend on
646         options.c.
647         (start.encap): Remove superfluous lang.srcextra dependency.
648         objc/Make-lang.in (po-generated):  Delete.
649
650 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
651
652         * config/ia64/ia64.c (REG_GP): Remove.
653
654 2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
655
656         * config/mips/iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
657
658 2004-02-05  Devang Patel  <dpatel@apple.com>
659
660         * dwarf2out.c (force_type_die): Look up input type itself
661         instead of root_type() of type.
662
663 2004-02-05  Andreas Krebbel  <krebbel1@de.ibm.com>
664
665         * config/s390/s390.md ("*tmqidi_ext"): New insn.
666         ("*extendqidi2_short_displ", "*extendsiqi2_short_displ"): Old
667         pre-reload splitters are transformed to post-reload
668         define_insn_and_split patterns.
669         ("*tmqisi_ext"): Renamed old "*tmqi_ext".
670
671 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
672
673         * config/cris/cris.h: Replace PROMOTE_PROTOTYPES with
674         TARGET_PROMOTE_PROTOTYPES.
675
676 2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
677
678         PR middle-end/13750
679         Revert:
680         2004-01-15  Geoffrey Keating  <geoffk@apple.com>
681         PR pch/13361
682         * c-typeck.c (constructor_asmspec): Delete.
683         (struct initializer_stack): Delete field 'asmspec'.
684         (start_init): Delete saving of asmspec.
685         (finish_init): Don't update constructor_asmspec.
686         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
687         * stmt.c (expand_asm): Duplicate strings from tree.
688         (expand_asm_operands): Likewise.
689         * tree.c (tree_size): Update computation of size of STRING_CST.
690         (make_node): Don't make STRING_CST nodes.
691         (build_string): Allocate string with tree node.
692         * tree.def (STRING_CST): Update comment.
693         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
694         (tree_string): Place contents of string in tree node.
695         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
696         from tree.
697
698 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
699
700         * diagnostic.h (DEFINE_DIAGNOSTIC_KIND): Change parameter M to
701         msgid.
702
703 2004-02-05  Dorit Naishlos  <dorit@il.ibm.com>
704
705         * config/rs6000/altivec.md (*movv4si_internal): At least one
706         operand must be altivec_register_operand.
707         (*movv8hi_internal1): Likewise.
708         (*movv16qi_internal1): Likewise.
709         (*movv4sf_internal1): Likewise.
710
711 2004-02-05  David Edelsohn  <edelsohn@gnu.org>
712
713         * configure.ac (gcc_cv_as_powerpc_mfcrf): Correct test for mfcr.
714         * configure: Regenerate.
715
716 2004-02-05  Jonathan Wakely  <redi@gcc.gnu.org>
717
718         * doc/install.texi: Update description of --gxx-include-dir to
719         give correct default value.
720
721 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
722
723         * config/h8300/h8300.h (REG_OK_FOR_BASE_NONSTRICT_P): Replace
724         8 with MAC_REG.
725
726 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
727
728         * config/pa/pa.c (emit_hpdiv_const): Replace gen_rtx with
729         gen_rtx_PARALLEL.
730
731 2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>
732
733         * emit-rtl.c: Update the comment about the file.
734
735 2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>
736
737         * sourcebuild.texi (Test Idioms): Update testcase naming
738         conventions.
739
740 2004-02-04  Per Bothner  <per@bothner.com>
741
742         Partially revert/redo 2003-10-01 change; fix -fworking-directory.
743         * c-ppoutput.c (pp_dir_change):  New function.
744         * c-common.h (pp_dir_change):  New declaration.
745         * cpplib.h (struct cpp_options):  Remove working_directory field.
746         * cppinit.c (cpp_find_main_file, cpp_push_main_file):  Merge back to
747         (cpp_read_main_file):  as before 10-01.  Call _cpp_stack_file.
748         Don't handle -fworking_directory here, but in c_common_post_options.
749         (read_original_directory): Don't back up when done.
750         Don't clear no-longer used working_directory flag.
751         * cpplib.h:  Update declarations to match.
752         * c-lex.c (cb_dir_change):  Move to c-opts.c.
753         (init_c_lex):  Don't set dir_change callback here, since we want
754         to set it even if flag_preprocess_only.
755         * c-opts.c (cb_dir_change):  Function moved from c-lex.c.
756         (c_common_post_options):  Set dir_change callback.
757         Call pp_dir_change if approporiate.
758         (finish_options):  Don't call cpp_find_main_file here.  Hence remove
759         unneeded parameter and result. Do LC_RENAME for <built-in>.
760         (c_common_post_options):  Call cpp_read_main_file here instead.
761         (c_common_init):  Update accordingly.
762         (push_command_line_include):  Don't cpp_push_main_file.
763         Do LC_RENAME rather than LC_LEASE to get back to main file.
764         Compared to pre-10-01 version, inline cpp_rename_to_main_file.
765         (c_common_parse_file):  Call cpp_read_main_file for subsequent main
766         files, but call finish_options for all files.
767         * c-opts.c (sanitize_cpp_opts):  Don't set cpp_opts->working_directory.
768         * fix-header.c (read_scan_file):  Call cpp_read_main_file instead of
769         cpp_find_main_file + cpp_push_main_file.
770         * c-lex.c (fe_file_change):  Don't set main_input_filename here.
771         * opts.c (handle_options):  Only set main_input_filename first time.
772
773 2004-02-05  Ian Lance Taylor  <ian@wasabisystems.com>
774
775         * config/arm/arm.h (REG_CLASS_NAMES): Add missing comma.
776
777 2004-02-04  Geoffrey Keating  <geoffk@apple.com>
778
779         * reload.c (find_equiv_reg): When checking for register overlap,
780         don't index hard_regno_nregs with a pseudo-reg.
781
782 2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
783
784         * config/s390/s390.c (s390_trampoline_template): Remove gen_rtx().
785
786 2004-02-04  David Edelsohn  <edelsohn@gnu.org>
787
788         * reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno,
789         against FIRST_PSEUDO_REGISTER.
790
791 2004-02-04  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
792
793         * Makefile.in: Move target, host overrides after per-language
794         fragments.
795
796         * config/mips/t-iris5-as (FORCE_DEBUG_ADAFLAGS): Clear.
797         (GNATLIBCFLAGS): Remove -g.
798
799 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
800
801         * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
802         config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
803         config/ia64/ia64.c, config/ia64/unwind-ia64.c,
804         config/m32r/m32r.c, config/ns32k/ns32k.c, config/pa/pa.c,
805         config/pdp11/pdp11.c, config/rs6000/rs6000.c,
806         config/sparc/sparc.c, config/vax/vax.c: Revert the
807         replacements of "FALLTHRU" with "Fall through" done in the
808         previous patch.
809
810 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
811
812         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
813         config/arm/arm.c, config/arm/arm.md,
814         config/cris/cris-protos.h, config/fr30/fr30.c,
815         config/fr30/fr30.h, config/h8300/h8300.c, config/i386/i386.h,
816         config/i860/i860.c, config/i860/i860.h, config/ia64/ia64-c.c,
817         config/ia64/ia64.c, config/ia64/ia64.h, config/ip2k/ip2k.h,
818         config/ip2k/ip2k.md, config/ip2k/libgcc.S,
819         config/m32r/linux.h, config/m32r/m32r.c, config/m32r/m32r.h,
820         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
821         config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.md,
822         config/ns32k/netbsd.h, config/ns32k/ns32k.c,
823         config/ns32k/ns32k.h, config/pdp11/pdp11.h,
824         config/rs6000/darwin-ldouble.c, config/s390/s390.h,
825         config/s390/s390.md, config/sparc/netbsd-elf.h,
826         config/sparc/openbsd.h, config/sparc/sparc.c,
827         config/xtensa/lib2funcs.S: Fix comment formatting.
828
829 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
830
831         * config/alpha/alpha.c, config/arc/arc.c,
832         config/arm/arm-cores.def, config/arm/arm.c, config/arm/arm.h,
833         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
834         config/arm/arm926ejs.md, config/arm/vfp.md, config/avr/avr.c,
835         config/c4x/c4x.c, config/cris/cris.c, config/frv/frv.md,
836         config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
837         config/ia64/ia64.c, config/ia64/unwind-ia64.c,
838         config/iq2000/iq2000.c, config/m32r/m32r.c,
839         config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
840         config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
841         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
842         config/rs6000/rs6000.h, config/sparc/sparc.c,
843         config/vax/vax.c: Fix comment typos.  Follow spelling
844         conventions.
845
846 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
847
848         * alloc-pool.h, c-convert.c, c-lang.c, c-tree.h,
849         caller-save.c, df.h, genconfig.c, global.c, lcm.c,
850         ra-rewrite.c, ra.c, regclass.c, regs.h, resource.c,
851         sched-rgn.c, config/arm/aof.h, config/arm/cirrus.md,
852         config/arm/fpa.md, config/arm/iwmmxt.md,
853         config/arm/netbsd-elf.h, config/arm/netbsd.h,
854         config/m68hc11/m68hc11.md, config/mips/iris5.h,
855         config/mn10300/mn10300.md, config/rs6000/altivec.md,
856         config/sparc/netbsd-elf.h: Update copyright.
857
858 2004-02-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
859
860         * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
861         for all modes whose size is greater than 8 bytes if ARCH32.
862         (sparc_va_arg): Handle all modes whose size is greater than 8 bytes
863         by reference if ARCH32.
864
865 2004-02-04  Aldy Hernandez  <aldyh@redhat.com>
866
867         * cgraphunit.c (cgraph_postorder): Fix typo in comment.
868
869 2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
870
871         * config/s390/s390.md ("*la_64" + peepholes, "reload_indi"): Move
872         to before adddi3 insn patterns.
873         ("*la_31" + peepholes, "*la_31_and", "*la_31_and_cc", "force_la_31",
874         "reload_insi"): Move to before addsi3 insn patterns.
875
876 2004-02-04  Mark Mitchell  <mark@codesourcery.com>
877
878         * calls.c (initialize_argument_information): Add CALL_FROM_THUNK_P
879         parameter.  Use it instead of current_function_is_thunk.
880         * function.h (struct function): Update documentation for is_thunk.
881         * tree.h (CALL_FROM_THUNK_P): New macro.
882         * config/alpha/alpha.c (alpha_sa_mask): Do not check
883         no_new_pseudos when testing current_function_is_thunk.
884         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likeiwse.
885
886 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
887
888         * doc/tm.texi: Replace SETUP_INCOMING_VARARGS with
889         TARGET_SETUP_INCOMING_VARARGS.
890
891 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
892
893         * emit-rtl.c (gen_rtx): Remove.
894         * genattrtab.c: Don't mention gen_rtx in a comment.
895         * rtl.h: Remove the prototype for gen_rtx.
896         * doc/md.texi: Replace gen_rtx with gen_rtx_REG.
897
898 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
899
900         * config/arc/arc.h, config/fr30/fr30.h
901         (SETUP_INCOMING_VARARGS): Remove the target-independent
902         comments.
903         * doc/tm.texi: Don't mention deprecated target macros.
904
905 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
906
907         * config/fr30/fr30.h (FUNCTION_VALUE): Remove the
908         target-independent comment.
909
910 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
911
912         * doc/interface.texi, doc/tm.texi, doc/trouble.texi: Don't
913         mention deprecated target macros.
914
915 2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>
916
917         * config.gcc: Remove obsolete ports and configurations.
918         * config/linux-aout.h, config/netware.h,
919         config/t-linux-gnulibc1, config/d30v/abi,
920         config/d30v/d30v-protos.h, config/d30v/d30v.c,
921         config/d30v/d30v.h, config/d30v/d30v.md,
922         config/d30v/libgcc1.asm, config/d30v/t-d30v,
923         config/dsp16xx/dsp16xx-modes.def,
924         config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
925         config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md,
926         config/i370/README, config/i370/i370-c.c,
927         config/i370/i370-protos.h, config/i370/i370.c,
928         config/i370/i370.h, config/i370/i370.md, config/i370/linux.h,
929         config/i370/mvs.h, config/i370/oe.h, config/i370/t-i370,
930         config/i386/freebsd-aout.h, config/i386/linux-aout.h,
931         config/i386/moss.h, config/i386/netware.h,
932         config/i386/svr3.ifile, config/i386/svr3dbx.h,
933         config/i386/svr3gas.h, config/i386/svr3z.ifile,
934         config/i386/t-udk, config/i386/udk.h, config/i386/vsta.h,
935         config/i960/i960-c.c, config/i960/i960-coff.h,
936         config/i960/i960-modes.def, config/i960/i960-protos.h,
937         config/i960/i960.c, config/i960/i960.h, config/i960/i960.md,
938         config/i960/rtems.h, config/i960/t-960bare,
939         config/m68k/hp310.h, config/m68k/hp320.h,
940         config/m68k/hp320base.h, config/m68k/m68kv4.h,
941         config/m68k/netbsd.h, config/m68k/sgs.h, config/m68k/t-hp320:
942         Remove.
943         * doc/extend.texi, doc/install.texi, doc/invoke.texi,
944         doc/md.texi: Remove mentions of obsolete ports.
945
946 2004-02-04  Jan Hubicka  <jh@suse.cz>
947
948         * alias.c (find_base_term, get_addr):  Do not dereference NULL
949         pointer when all VALUE's locations has been invalidated.
950         (rtx_equal_for_memref_p): Simplify checking of VALUEs.
951
952 2004-02-03  Wolfgang Bangerth  <bangerth@dealii.org>
953
954         * doc/invoke.texi (x86 options): Fix spelling/wording.
955
956 2004-02-03  Richard Sandiford  <rsandifo@redhat.com>
957
958         * config/mips/iris5.h (ASM_OUTPUT_ASCII): Use mips_output_ascii to
959         put the original string in a comment.
960         * config/mips/mips-protos.h (mips_output_ascii): Add prefix argument.
961         * config/mips/mips.c (mips_output_ascii): Likewise.
962         * config/mips/mips.h (ASM_OUTPUT_ASCII): Adjust accordingly.
963
964 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
965
966         * system.h (GIV_SORT_CRITERION): Poison.
967         * config/avr/avr.h (GIV_SORT_CRITERION): Remove.
968         * config/ip2k/ip2k.h (GIV_SORT_CRITERION): Likewise.
969
970 2004-02-03  Roger Sayle  <roger@eyesopen.com>
971
972         PR target/9348
973         * expr.c (expand_expr_real) <MULT_EXPR>:  When performing widening
974         multiplies with a multiplication of the wrong signedness, its the
975         signedness of the multiplication that we've performed that needs to
976         be passed to expand_mult_highpart_adjust.  Avoid emitting a nop-move
977         if expand_mult_highpart_adjust places the result in target.
978
979 2004-02-03  Richard Henderson  <rth@redhat.com>
980
981         * varasm.c (const_desc_rtx_sym_eq): Compare symbol strings.
982
983 2004-02-03  J"orn Rennecke <joern.rennecke@superh.com>
984
985         * config.gcc (sh[234]l): Use little endian fragments.
986
987 2004-02-03  Paul Koning  <pkoning@equallogic.com>
988
989         * config/pdp11/pdp11-modes.def: Add RESET_FLOAT_FORMAT calls.
990         * config/pdp11/pdp11-protos.h (legitimate_const_double_p): Add.
991         * config/pdp11/pdp11.c (encode_pdp11_f, decode_pdp11_f,
992         encode_pdp11_d, decode_pdp11_d): New functions to handle PDP11
993         floating point format.
994         (pdp11_f_format, pdp11_d_format): New real_format descriptors for
995         the above functions.
996         (output_move_quad): Output float values in correct target format.
997         (legitimate_const_double_p): New function.
998         * config/pdp11/pdp11.h: Fix typos.
999         (FLOAT_WORDS_BIG_ENDIAN): Add definition.
1000         (TARGET_FLOAT_FORMAT): Ditto.
1001         (pdp11_f_format, pdp11_d_format): Add external declarations.
1002         (MAX_REGS_PER_ADDRESS): Corrected.
1003         (LEGITIMATE_CONSTANT_P): Use legitimate_const_double_p().
1004         (PRINT_OPERAND): Output float literals in target format.
1005
1006 2004-02-03  Mark Mitchell  <mark@codesourcery.com>
1007
1008         PR c++/13975
1009         * tree.h (enum tree_index): Add TI_PUBLIC, TI_PROTECTED, and
1010         TI_PRIVATE.
1011         (access_public_node): Redefine.
1012         (access_protected_node): Likewise.
1013         (access_private_node): Likewise.
1014         * tree.c (build_common_tree_nodes): Create access_public_node,
1015         access_protected_node, and access_private_node.
1016
1017 2004-02-03  Steve Ellcey  <sje@cup.hp.com>
1018
1019         * config/ia64/ia64.h (MASK_INLINE_INT_DIV_LAT): Change value.
1020         (MASK_INLINE_INT_DIV_THR): Ditto.
1021         (MASK_INLINE_SQRT_LAT): Ditto.
1022         (MASK_INLINE_SQRT_THR): Ditto.
1023         (MASK_DWARF2_ASM): Ditto.
1024         (MASK_EARLY_STOP_BITS): Ditto.
1025
1026 2004-02-02  Paul Brook  <paul@codesourcery.com>
1027
1028         Merge from csl-arm-branch.
1029
1030         2004-01-30  Paul Brook  <paul@codesourcery.com>
1031
1032         * aof.h (REGISTER_NAMES): Add vfp reg names
1033         (ADDITIONAL_REGISTER_NAMES): Ditto.
1034         * aout.h (REGISTER_NAMES): Ditto.
1035         (ADDITIONAL_REGISTER_NAMES): Ditto.
1036         * arm-protos.h: Update/Add Prototypes.
1037         * arm.c (init_fp_table): Rename from init_fpa_table. Update users.
1038         Only allow 0.0 for VFP.
1039         (fp_consts_inited): Rename from fpa_consts_inited.  Update users.
1040         (values_fp): Rename from values_fpa.  Update Users.
1041         (arm_const_double_rtx): Rename from const_double_rtx_ok_for_fpa.
1042         Update users.  Only check valid constants for this hardware.
1043         (arm_float_rhs_operand): Rename from fpa_rhs_operand.  Update Users.
1044         Only allow consts for FPA.
1045         (arm_float_add_operand): Rename from fpa_add_operand.  Update users.
1046         Only allow consts for FPA.
1047         (use_return_insn): Check for saved VFP regs.
1048         (arm_legitimate_address_p): Handle VFP DFmode addressing.
1049         (arm_legitimize_address): Ditto.
1050         (arm_general_register_operand): New function.
1051         (vfp_mem_operand): New function.
1052         (vfp_compare_operand): New function.
1053         (vfp_secondary_reload_class): New function.
1054         (arm_float_compare_operand): New function.
1055         (vfp_print_multi): New function.
1056         (vfp_output_fstmx): New function.
1057         (vfp_emit_fstm): New function.
1058         (arm_output_epilogue): Output VPF reg restore code.
1059         (arm_expand_prologue): Output VFP reg save code.
1060         (arm_print_operand): Add 'P'.
1061         (arm_hard_regno_mode_ok): Return modes for VFP regs.
1062         (arm_regno_class): Return classes for VFP regs.
1063         (arm_compute_initial_elimination_offset): Include space for VFP regs.
1064         (arm_get_frame_size): Ditto.
1065         * arm.h (FIXED_REGISTERS): Add VFP regs.
1066         (CALL_USED_REGISTERS): Ditto.
1067         (CONDITIONAL_REGISTER_USAGE): Enable VFP regs.
1068         (FIRST_VFP_REGNUM): Define.
1069         (LAST_VFP_REGNUM): Define.
1070         (IS_VFP_REGNUM): Define.
1071         (FIRST_PSEUDO_REGISTER): Include VFP regs.
1072         (HARD_REGNO_NREGS): Handle VFP regs.
1073         (REG_ALLOC_ORDER): Add VFP regs.
1074         (enum reg_class): Add VFP_REGS.
1075         (REG_CLASS_NAMES): Ditto.
1076         (REG_CLASS_CONTENTS): Ditto.
1077         (CANNOT_CHANGE_MODE_CLASS) Handle VFP Regs.
1078         (REG_CLASS_FROM_LETTER): Add 'w'.
1079         (EXTRA_CONSTRAINT_ARM): Add 'U'.
1080         (EXTRA_MEMORY_CONSTRAINT): Define.
1081         (SECONDARY_OUTPUT_RELOAD_CLASS): Handle VFP regs.
1082         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
1083         (REGISTER_MOVE_COST): Ditto.
1084         (PREDICATE_CODES): Add arm_general_register_operand,
1085         arm_float_compare_operand and vfp_compare_operand.
1086         * arm.md (various): Rename as above.
1087         (divsf3): Enable when TARGET_VFP.
1088         (divdf3): Ditto.
1089         (movdfcc): Ditto.
1090         (sqrtsf2): Ditto.
1091         (sqrtdf2): Ditto.
1092         (arm_movdi): Disable when TARGET_VFP.
1093         (arm_movsi_insn): Ditto.
1094         (movsi): Only split with general regs.
1095         (cmpsf): Use arm_float_compare_operand.
1096         (push_fp_multi): Restrict to TARGET_FPA.
1097         (vfp.md): Include.
1098         * vfp.md: New file.
1099         * fpa.md (various): Rename as above.
1100         * doc/md.texi: Document ARM w and U constraints.
1101
1102         2004-01-15  Paul Brook  <paul@codesourcery.com>
1103
1104         * config.gcc: Add with_fpu.  Allow with-float=softfp.
1105         * config/arm/arm.c (arm_override_options): Rename *-s to *s.
1106         Break out of loop when we find a float-abi.  Fix typo.
1107         * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "fpu".
1108         Set -mfloat-abi=.
1109         * doc/install.texi: Document --with-fpu.
1110
1111         2003-01-14  Paul Brook  <paul@codesourcery.com>
1112
1113         * config.gcc (with_arch): Add armv6.
1114         * config/arm/arm.h: Rename TARGET_CPU_*_s to TARGET_CPU_*s.
1115         * config/arm/arm.c (arm_overrride_options): Ditto.
1116
1117         2004-01-08  Richard Earnshaw  <rearnsha@arm.com>
1118
1119         * arm.c (FL_ARCH3M): Renamed from FL_FAST_MULT.
1120         (FL_ARCH6): Renamed from FL_ARCH6J.
1121         (arm_arch3m): Renamed from arm_fast_multiply.
1122         (arm_arch6): Renamed from arm_arch6j.
1123         * arm.h: Update all uses of above.
1124         * arm-cores.def: Likewise.
1125         * arm.md: Likewise.
1126
1127         * arm.h (CPP_CPU_ARCH_SPEC): Emit __ARM_ARCH_6J__ define for armV6j,
1128         not arm6j.  Add entry for arch armv6.
1129
1130         2004-01-07  Richard Earnshaw  <rearnsha@arm.com>
1131
1132         * arm.c (arm_emit_extendsi): Delete.
1133         * arm-protos.h (arm_emit_extendsi): Delete.
1134         * arm.md (zero_extendhisi2): Also handle zero-extension of
1135         non-subregs.
1136         (zero_extendqisi2, extendhisi2, extendqisi2): Likewise.
1137         (thumb_zero_extendhisi2): Only match if not v6.
1138         (arm_zero_extendhisi2, thumb_zero_extendqisi2, arm_zero_extendqisi2)
1139         (thumb_extendhisi2, arm_extendhisi2, arm_extendqisi)
1140         (thumb_extendqisi2): Likewise.
1141         (thumb_zero_extendhisi2_v6, arm_zero_extendhisi2_v6): New patterns.
1142         (thumb_zero_extendqisi2_v6, arm_zero_extendqisi2_v6): New patterns.
1143         (thumb_extendhisi2_insn_v6, arm_extendhisi2_v6): New patterns.
1144         (thumb_extendqisi2_v6, arm_extendqisi_v6): New patterns.
1145         (arm_zero_extendhisi2_reg, arm_zero_extendqisi2_reg): Delete.
1146         (arm_extendhisi2_reg, arm_extendqisi2_reg): Delete.
1147         (arm_zero_extendhisi2addsi): Remove subreg.  Add attributes.
1148         (arm_zero_extendqisi2addsi, arm_extendhisi2addsi): Likewise.
1149         (arm_extendqisi2addsi): Likewise.
1150
1151         2003-12-31  Mark Mitchell  <mark@codesourcery.com>
1152
1153         Revert this change:
1154         * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
1155         + REG addressing modes.
1156
1157         * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
1158         + REG addressing modes.
1159
1160         2003-12-30  Mark Mitchell  <mark@codesourcery.com>
1161
1162         * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept
1163         CONSTANT_P_RTX.
1164
1165         2003-30-12  Paul Brook  <paul@codesourcery.com>
1166
1167         * longlong.h: protect arm inlines with !defined (__thumb__)
1168
1169         2003-30-12  Paul Brook  <paul@codesourcery.com>
1170
1171         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Always define __arm__.
1172
1173         2003-12-30  Nathan Sidwell  <nathan@codesourcery.com>
1174
1175         * builtins.c (expand_builtin_apply_args_1): Fix typo in previous
1176         change.
1177
1178         2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>
1179
1180         * builtins.c (expand_builtin_apply_args_1): Add pretend args size
1181         to the virtual incoming args pointer for downward stacks.
1182
1183         2003-12-29  Paul Brook  <paul@codesourcery.com>
1184
1185         * config/arm/arm-cores.def: Add cost function.
1186         * config/arm/arm.c (arm_*_rtx_costs): New functions.
1187         (arm_rtx_costs): Remove
1188         (struct processors): Add rtx_costs field.
1189         (all_cores, all_architectures): Ditto.
1190         (arm_override_options): Set targetm.rtx_costs.
1191         (thumb_rtx_costs): New function.
1192         (arm_rtx_costs_1): Remove cases handled elsewhere.
1193         * config/arm/arm.h (processor_type): Add COSTS parameter.
1194
1195         2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>
1196
1197         * config/arm/arm.md (generic_sched): arm926 has its own scheduler.
1198         (arm926ejs.md): Include it.
1199         * config/arm/arm926ejs.md: New pipeline description.
1200
1201         2003-12-24  Paul Brook  <paul@codesourcery.com>
1202
1203         * config/arm/arm.c (arm_arch6j): New variable.
1204         (arm_override_options): Set it.
1205         (arm_emit_extendsi): New function.
1206         * config/arm/arm-protos.h (arm_emit_extendsi): Add prototype.
1207         * config/arm/arm.h (arm_arch6j): Declare.
1208         * config/arm/arm.md: Add sign/zero extend insns.
1209
1210         2003-12-23  Paul Brook  <paul@codesourcery.com>
1211
1212         * config/arm/arm.c (all_architectures): Add armv6.
1213         * doc/invoke.texi: Document it.
1214
1215         2003-12-19  Paul Brook  <paul@codesourcery.com>
1216
1217         * config/arm/arm.md: Add load1 and load_byte "type" attrs.  Modify
1218         insn patterns to match.
1219         * config/arm/arm-generic.md: Ditto.
1220         * config/arm/cirrus.md: Ditto.
1221         * config/arm/fpa.md: Ditto.
1222         * config/amm/iwmmxt.md: Ditto.
1223         * config/arm/arm1026ejs.md: Ditto.
1224         * config/arm/arm1135jfs.md: Ditto.  Add insn_reservation and bypasses
1225         for 11_loadb.
1226
1227         2003-12-18  Nathan Sidwell  <nathan@codesourcery.com>
1228
1229         * config/arm/arm-protos.h (arm_no_early_alu_shift_value_dep): Declare.
1230         * config/arm/arm.c (arm_adjust_cost): Check shift cost for
1231         TYPE_ALU_SHIFT and TYPE_ALU_SHIFT_REG.
1232         (arm_no_early_store_addr_dep, arm_no_early_alu_shift_dep,
1233         arm_no_early_mul_dep): Correctly deal with conditional execution,
1234         parallels and single shift operations.
1235         (arm_no_early_alu_shift_value_dep): Define.
1236         * arm.md (attr type): Replace 'normal' with 'alu',
1237         'alu_shift' and 'alu_shift_reg'.
1238         (attr core_cycles): Adjust.
1239         (*addsi3_carryin_shift, andsi_not_shiftsi_si, *arm_shiftsi3,
1240         *shiftsi3_compare0, *notsi_shiftsi, *notsi_shiftsi_compare0,
1241         *not_shiftsi_compare0_scratch, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
1242         *cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
1243         *arith_shiftsi_compare0_scratch, *sub_shiftsi,
1244         *sub_shiftsi_compare0, *sub_shiftsi_compare0_scratch,
1245         *if_shift_move, *if_move_shift, *if_shift_shift): Set type
1246         attribute appropriately.
1247         * config/arm/arm1026ejs.md (alu_op): Adjust.
1248         (alu_shift_op, alu_shift_reg_op): New.
1249         * config/arm/arm1136.md: Add better bypasses for early
1250         registers. Remove load[234] and store[234] bypasses.
1251         (11_alu_op): Adjust.
1252         (11_alu_shift_op, 11_alu_shift_reg_op): New.
1253
1254         2003-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1255
1256         * config/arm/arm-protos.h (arm_no_early_store_addr_dep,
1257         arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Declare.
1258         * config/arm/arm.c (arm_no_early_store_addr_dep,
1259         arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Define.
1260         * config/arm/arm1026ejs.md: Add load-store bypass.
1261         * config/arm/arm1136jfs.md (11_alu_op): Take 2 cycles.
1262         Add bypasses between instructions.
1263
1264         2003-12-10  Paul Brook  <paul@codesourcery.com>
1265
1266         * config/arm/arm.c (arm_fpu_model): New variable.
1267         (arm_fload_abi): New variable.
1268         (target_fpe_name): Rename from target_fp_name.
1269         (target_fpu_name): New variable.
1270         (arm_is_cirrus): Remove.
1271         (fpu_desc): New struct.
1272         (all_fpus): Define.
1273         (pf_model_for_fpu): Define.
1274         (all_loat_abis): Define.
1275         (arm_override_options): Set fp arch flags based on -mfpu=
1276         and -float-abi=.
1277         (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
1278         (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
1279         (*): Use new TARGET_* flags.
1280         * config/arm/arm.h (TARGET_ANY_HARD_FLOAT): Remove.
1281         (TARGET_HARD_FLOAT): No longer implies TARGET_FPA.
1282         (TARGET_SOFT_FLOAT): Ditto.
1283         (TARGET_SOFT_FLOAT_ABI): New.
1284         (TARGET_MAVERICK): Rename from TARGET_CIRRUS.  No longer implies
1285         TARGET_HARD_FLOAT.
1286         (TARGET_VFP): No longer implies TARGET_HARD_FLOAT.
1287         (TARGET_OPTIONS): Add -mfpu=.
1288         (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
1289         (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
1290         (arm_pf_model): Define.
1291         (arm_float_abi_type): Define.
1292         (fputype): Add FPUTYPE_VFP.  Change SOFT_FPA->NONE
1293         * config/arm/arm.md: Use new TARGET_* flags.
1294         * config/arm/cirrus.md: Ditto.
1295         * config/arm/fpa.md: Ditto.
1296         * config/arm/elf.h (ASM_SPEC): Pass -mfloat-abi= and -mfpu=.
1297         * config/arm/semi.h (ASM_SPEC): Ditto.
1298         * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Specify vfp.
1299         (FPUTYPE_DEFAULT): Set to VFP.
1300         * doc/invoke.texi: Document -mfpu= and -mfloat-abi=.
1301
1302         2003-11-22  Phil Edwards  <phil@codesourcery.com>
1303
1304         PR target/12476
1305         * config/arm/arm.c (arm_output_mi_thunk):  In Thumb mode, use
1306         'bx' instead of 'b' to avoid branch range restrictions.  Output
1307         the thunk immediately before the thunked-to function.
1308         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME):  Do not emit
1309         .thumb_func if a thunk is being generated.  Emit .code 16 along
1310         with .thumb_func if a thunk is not being generated.
1311
1312         2003-11-15  Nicolas Pitre <nico@cam.org>
1313
1314         * config/arm/arm.md (ashldi3, arm_ashldi3_1bit, ashrdi3,
1315         arm_ashrdi3_1bit, lshrdi3, arm_lshrdi3_1bit): New patterns.
1316         * config/arm/iwmmxt.md (ashrdi3_iwmmxt): Renamed from ashrdi3.
1317         (lshrdi3_iwmmxt): Renamed from lshrdi3.
1318         * config/arm/arm.c (IWMMXT_BUILTIN2): Renamed argument accordingly.
1319
1320         2003-11-12  Steve Woodford  <scw@wasabisystems.com>
1321             Ian Lance Taylor  <ian@wasabisystems.com>
1322
1323         * config/arm/lib1funcs.asm (ARM_DIV_BODY, ARM_MOD_BODY): Add new
1324         code for __ARM_ARCH__ >= 5 && ! defined (__OPTIMIZE_SIZE__).
1325
1326         2003-11-05  Phil Edwards  <phil@codesourcery.com>
1327
1328         * config/arm/arm.md (insn):  Add new V6 instruction names.
1329         (generic_sched):  New attr.
1330         * config/arm/arm-generic.md:  Use generic_sched here.
1331         * config/arm/arm1026ejs.md:  Do not model fetch/issue/decode
1332         stages of pipeline.  Adjust latency counts accordingly.
1333         * config/arm/arm1136jfs.md:  New file.
1334
1335         2003-10-28  Mark Mitchell  <mark@codesourcery.com>
1336
1337         * config/arm/arm.h (processor_type): New enumeration type.
1338         (CPP_ARCH_DEFAULT_SPEC): Set appropriately for ARM 926EJ-S,
1339         ARM1026EJ-S, ARM1136J-S, and ARM1136JF-S processor cores.
1340         (CPP_CPU_ARCH_SPEC): Likewise.
1341         * config/arm/arm.c (arm_tune): New variable.
1342         (all_cores): Use cores.def.
1343         (all_architectures): Add representative processor.
1344         (arm_override_options): Restructure way in which tuning
1345         information is deduced.
1346         * arm.md: Update "insn" and "type" attributes throughout.
1347         (insn): New attribute.
1348         (type): Compute "mult" from "insn" attribute.  Add load2,
1349         load3, load4 alternatives.
1350         (arm automaton): Move to arm-generic.md.
1351         * config/arm/arm-cores.def: New file.
1352         * config/arm/arm-generic.md: Likewise.
1353         * config/arm/arm1026ejs.md: Likewise.
1354
1355 2004-02-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1356
1357         * doc/invoke.texi (SPARC options): Remove -mflat and
1358         all -mxxx (xxx:chip) options.
1359         * config/sparc/aout.h (DBX_REGISTER_NUMBER): Delete.
1360         * config/sparc/litecoff.h (DBX_REGISTER_NUMBER): Likewise.
1361         * config/sparc/netbsd-elf.h (DBX_REGISTER_NUMBER): Likewise.
1362         * config/sparc/sol2.h (DBX_REGISTER_NUMBER): Likewise.
1363         * config/sparc/sparc-protos.h: Delete sparc_flat_* prototypes.
1364         * config/sparc/sparc.c: Likewise.
1365         (sparc_output_function_prologue): Remove TARGET_FLAT handling.
1366         (sparc_nonflat_function_prologue): Rename into sparc_function_prologue.
1367         (sparc_output_function_epilogue): Remove TARGET_FLAT handling.
1368         (sparc_nonflat_function_epilogue): Rename into sparc_function_epilogue.
1369         (struct sparc_frame_info, current_frame_info, zero_frame_info): Delete.
1370         (sparc_flat_must_save_register_p): Likewise.
1371         (sparc_flat_compute_frame_size): Likewise.
1372         (sparc_flat_save_restore): Likewise.
1373         (sparc_flat_function_prologue): Likewise.
1374         (sparc_flat_function_epilogue): Likewise.
1375         (sparc_flat_epilogue_delay_slots): Likewise.
1376         (sparc_flat_eligible_for_epilogue_delay): Likewise.
1377         (sparc_function_ok_for_sibcall): Remove TARGET_FLAT handling.
1378         * config/sparc/sparc.h (MASK_FLAT, TARGET_FLAT): Delete.
1379         (TARGET_SWITCHES): Remove -mflat and all -mxxx (xxx:chip) options.
1380         (SPARC_INCOMING_INT_ARG_FIRST): Remove TARGET_FLAT handling.
1381         (CONDITIONAL_REGISTER_USAGE): Likewise.
1382         (FRAME_POINTER_REQUIRED): Likewise.
1383         (INITIAL_ELIMINATION_OFFSET): Likewise.
1384         (BASE_RETURN_VALUE_REG): Likewise.
1385         (BASE_OUTGOING_VALUE_REG): Likewise.
1386         (BASE_PASSING_ARG_REG): Likewise.
1387         (BASE_INCOMING_ARG_REG): Likewise.
1388         (INCOMING_REGNO): Likewise.
1389         (OUTGOING_REGNO): Likewise.
1390         (LOCAL_REGNO): Likewise.
1391         (DELAY_SLOTS_FOR_EPILOGUE): Likewise.
1392         (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
1393         (EPILOGUE_USES): Likewise.
1394         * config/sparc/sparc.md ("isa" attribute): Change "v6" into "v7".
1395         ("flat" attribute): Delete.
1396         (do_builtin_setjmp_setup): Remove TARGET_FLAT and "flat" attribute
1397         handling.
1398         (call followed by jump define_peephole's): Delete.
1399         (exception_receiver): Likewise.
1400         (builtin_setjmp_receiver): Likewise.
1401         * config/sparc/t-sparclite (MULTILIB_OPTIONS): Remove -mflat.
1402
1403 2004-02-03  Paolo Bonzini  <bonzini@gnu.org>
1404
1405         PR c/11658
1406         PR c/13994
1407         * Makefile.in (c-parse.o, c-convert.o, c-typeck.o): Depend
1408         on langhooks.h.
1409         * objc/Make-lang.in (objc-parse.o): Depend on langhooks.h.
1410         * c-parse.in, c-convert.c, c-typeck.c, objc/objc-act.c:
1411         Include langhooks.h.  Replace c_common_truthvalue_conversion
1412         with the truthvalue_conversion language hook throughout.
1413         (expr_no_commas): Call default_conversion before save_expr
1414         for the first term of the production 'x ? : y'.
1415         * c-common.c (c_common_truthvalue_conversion): Remove
1416         obsolete block.  Invoke recursively the hook instead
1417         of this function.
1418         * c-convert.c (convert): handle ERROR_MARK_NODE.
1419         * c-typeck.c (build_binary_op): handle ERROR_MARK_NODE
1420         returned by the truthvalue_conversion language hook.
1421         * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
1422         c_objc_common_truthvalue_conversion.
1423         * c-objc-common.c (c_objc_common_truthvalue_conversion):
1424         New function.
1425         * c-tree.h (c_objc_common_truthvalue_conversion): Declare it.
1426         * objc/objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
1427         c_objc_common_truthvalue_conversion.
1428
1429 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1430
1431         * config/c4x/c4x.h (FUNCTION_VALUE): Use gen_rtx_REG instead
1432         of gen_rtx.
1433         (LIBCALL_VALUE): Likewise.
1434         * config/ip2k/ip2k.c (mdr_try_propagate_clr_sequence): Use
1435         gen_rtx_CC0 instead of gen_rtx.
1436         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use
1437         gen_rtx_fmt_e and gen_rtx_fmt_ee instead of gen_rtx.
1438         (m68hc11_expand_compare): Use gen_rtx_fmt_ee instead of
1439         gen_rtx.
1440         (m68hc11_emit_logical): Likewise.
1441
1442 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1443
1444         * config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c,
1445         config/fr30/fr30.md, config/frv/frv.c, config/frv/frv.md,
1446         config/h8300/h8300.c, config/ia64/ia64.c, config/ip2k/ip2k.md,
1447         config/m32r/m32r.md, config/m68hc11/m68hc11.c,
1448         config/mips/mips.md, config/mmix/mmix.c,
1449         config/mn10300/mn10300.c, config/mn10300/mn10300.md,
1450         config/ns32k/ns32k.c, config/pa/pa.md, config/pdp11/pdp11.c,
1451         config/rs6000/altivec.md, config/s390/s390.c,
1452         config/s390/s390.h, config/s390/s390.md, config/sh/sh.c,
1453         config/sh/sh.h, config/sh/sh.md, config/stormy16/stormy16.c:
1454         Use const0_rtx instead of GEN_INT (0).  Do the same for other
1455         constants that are readily available.
1456
1457 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1458
1459         * doloop.c, optabs.c, regmove.c, sched-deps.c,
1460         config/i386/i386.c, config/i386/i386.md: Use const0_rtx
1461         instead of GEN_INT (0).  Do the same for other constants that
1462         are readily available.
1463
1464 2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>
1465
1466         * combine.c (simplify_set): Use gen_rtx_fmt_e instead of
1467         gen_rtx.
1468         * emit-rtl.c (init_emit_once): Use gen_rtx_PC and gen_rtx_CC0
1469         instead of gen_rtx.
1470         * reload1.c (init_elim_table): Use gen_rtx_fmt_e instead of
1471         gen_rtx.
1472         * config/ns32k/ns32k.md (udivmodhi4): Use gen_rtx_IOR and
1473         gen_rtx_ASHIFT instead of gen_rtx.
1474         (udivmodqi4): Likewise.
1475
1476 2004-02-02  Richard Henderson  <rth@redhat.com>
1477
1478         PR target/13789
1479         * expr.c (store_expr): Use force_operand before emit_move_insn.
1480
1481 2004-02-02  Jeff Law  <law@redhat.com>
1482             Roger Sayle  <roger@eyesopen.com>
1483
1484         * tree.c (commutative_tree_code, associative_tree_code): New
1485         functions.
1486         (iterative_hash_expr): Use commutative_tree_code.
1487         * tree.h (commutative_tree_code, associative_tree_code): Declare.
1488         * fold-const.c (operand_equal_p): Use commutative_tree_code
1489         rather than inlining the commutativity check.
1490         (fold): Likewise.
1491
1492 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1493
1494         * system.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Poison.
1495         * config/frv/frv-protos.h: Remove the prototype for
1496         frv_function_arg_keep_as_reference.
1497         * config/frv/frv.c (frv_function_arg_keep_as_reference):
1498         Remove.
1499         * config/frv/frv.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Likewise.
1500         * config/stormy16/stormy16.h: Remove the commented-out
1501         definition of FUNCTION_ARG_KEEP_AS_REFERENCE.
1502
1503 2004-02-03  Alan Modra  <amodra@bigpond.net.au>
1504
1505         PR target/13914
1506         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Use ap
1507         for retaddr_column.
1508
1509 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1510
1511         * genemit.c (gen_exp): Generate gen_rtx_fmt_e* instead of
1512         gen_rtx.
1513
1514 2004-02-02  Eric Christopher  <echristo@redhat.com>
1515             Zack Weinberg  <zack@codesourcery.com>
1516
1517         * c-opts.c (c_common_handle_option): Add -finput-charset.
1518         * c.opt: Ditto.
1519         * cppcharset.c (one_iso88591_to_utf8): Remove.
1520         (convert_iso88591_utf8): Ditto.
1521         (conversion_tab): Remove 8859-1 converter.
1522         (_cpp_input_to_utf8): Remove.
1523         (_cpp_init_iconv_buffer): Ditto.
1524         (_cpp_close_iconv_buffer): Ditto.
1525         (_cpp_convert_input): New function.
1526         (_cpp_default_encoding): Ditto.
1527         * cpphash.h: Add/remove prototypes for above.
1528         * cppfiles.c (read_file_guts): Use _cpp_convert_input.
1529         * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
1530         for narrow execution and input character sets.
1531         * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
1532         * doc/cppopts.texi: Document -finput-charset.
1533
1534 2004-02-02  David Edelsohn  <edelsohn@gnu.org>
1535
1536         * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno,
1537         against FIRST_PSEUDO_REGISTER.
1538
1539 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
1540
1541         * doc/invoke.texi (SPARC options): Further improve.
1542
1543 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1544
1545         * config/arm/arm.md, config/c4x/c4x.md, config/cris/cris.md,
1546         config/h8300/h8300.c, config/ip2k/ip2k.md,
1547         config/iq2000/iq2000.c, config/mips/mips.c,
1548         config/rs6000/rs6000.c, config/rs6000/rs6000.md,
1549         config/sh/sh.c, config/sh/sh.md, config/stormy16/stormy16.c,
1550         config/v850/v850.md: Fix indentation.
1551
1552 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
1553
1554         * config/sparc/sparc.c (function_arg_slotno): Align TImode
1555         arguments on a 16-byte boundary in the parameter array if ARCH64.
1556         Split handling of TFmode.
1557
1558 2004-02-02  Paolo Bonzini  <bonzini@gnu.org>
1559
1560         * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]:
1561         Don't test CONSTANT_P (x).
1562         (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART,
1563         ZERO_EXTRACT, SIGN_EXTRACT with the switch statement.
1564         Fix misindentation.
1565
1566 2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>
1567
1568         * doc/invoke.texi (SPARC options): Document that -mflat is deprecated.
1569
1570 2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1571
1572         * config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
1573         config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
1574         config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
1575         config/iq2000/iq2000.c, config/m32r/m32r.c,
1576         config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
1577         config/mn10300/mn10300.c, config/rs6000/rs6000.c,
1578         config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
1579         config/stormy16/stormy16.c, config/v850/v850.md,
1580         config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.
1581
1582 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1583
1584         * config/mcore/mcore.c (block_move_sequence): Replace
1585         gen_rtx_CONST_INT with GEN_INT.
1586
1587 2004-02-02  Jan Hubicka  <jh@suse.cz>
1588
1589         * alias.c (record_set): Use hard_regno_nregs.
1590         * bt-load.c (find_btr_reference, note_btr_set): Likewise.
1591         * builtins.c (apply_args_size): Likewise.
1592         * caller-save.c (setup_save_areas, save_call_clobbered_regs,
1593         mark_set_regs, add_stored_regs, mark_referenced_regs,
1594         insert_restore, insert_save, insert_one_insn): Likewise.
1595         * cfgcleanup.c: Include regs.h
1596         (mark_effect, mentions_nonequal_regs): Likewise.
1597         * cfgrtl.c (mark_killed_regs): Likewise
1598         * combine.c (update_table_tick, record_value_for_reg,
1599         record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
1600         reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
1601         reg_bitfield_target_p, distribute_notes): Likewise.
1602         * cse.c (mention_regs, insert, invalidate, invalidate_for_call,
1603         exp_equiv_p, cse_insn): Likewise.
1604         * cselib.c (cselib_lookup): Likewise.
1605         (cselib_invalidate_regno, cselib_record_set): Likewise.
1606         * df.c (df_ref_record): Likewise.
1607         * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
1608         Likewise.
1609         * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
1610         count_or_remove_death_notes_bb): Likewise.
1611         * function.c (aggregate_value_p, keep_stack_depressed): Likewise.
1612         * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
1613         mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
1614         * integrate.c (mark_stores): Likewise.
1615         * jump.c (delete_prior_computation): Likewise.
1616         * lcm.c (reg_dies, reg_becomes_live): Likewise.
1617         * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
1618         * loop.c (LOOP_REGNO_NREGS): Likewise.
1619         * postreload.c (reload_combine, reload_combine_note_store,
1620         reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
1621         * ra-colorize.c (combine, color_usable_p, get_free_reg,
1622         calculate_dont_begin, calculate_dont_begin, colorize_one_web,
1623         try_recolor_web, insert_coalesced_conflicts, check_colors,
1624         break_precolored_alias): Likewise.
1625         * ra-debug.c: Include regs.h
1626         (ra_print_rtx_object): Likewise.
1627         * ra-rewrite (choose_spill_colors): Likewise.
1628         (spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
1629         * ra.c (init_ra): Likewise.
1630         * recog.c (reg_fits_class_p, peep2_reg_dead_p,
1631         peep2_find_free_register): Likewise.
1632         * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
1633         * regclass.c (hard_regno_nregs): New array.
1634         (init_reg_modes_once): Initialize it.
1635         (choose_hard_reg_mode): Use it.
1636         (record_reg_classes): Likewise.
1637         * regmove.c (mark_flags_life_zones): Likewise.
1638         * regrename.c (note_sets, clear_dead_regs, regrename_optimize,
1639         scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
1640         copy_value, maybe_mode_change, find_oldest_value_reg,
1641         copyprop_hardreg_forward_1):
1642         * regs.h (hard_regno_nregs): Declare.
1643         * realod.c (reload_inner_reg_of_subreg): Use it.
1644         (push_reload, combine_reloads, find_dummy_reload,
1645         hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
1646         refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
1647         reload_adjust_reg_for_mode): Likewise.
1648         * reload1.c (compute_use_by_pseudos, count_pseudo,
1649         count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
1650         spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
1651         clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
1652         allocate_reload_reg, choose_reload_regs, emit_reload_insns,
1653         delete_output_reload): Likewise.
1654         * resource.c (update_live_status, mark_referenced_resources,
1655         mark_set_resources, mark_target_live_regs): Likewise.
1656         * rtlanal.c:  Include regs.h
1657         (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
1658         dead_or_set_regno_p, find_regno_note, find_reg_fusage,
1659         subreg_regno_offset, subreg_offset_representable_p,
1660         hoist_test_store): Likewise.
1661         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1662         * sched-rgn.c (check_live_1, update_live_1): Likewise.
1663         * stmt.c: Include regs.h
1664         (decl_conflicts_with_clobbers_p): Likewise.
1665         * varasm.c (make_decl_rtl): Likewise.
1666         * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.
1667
1668 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1669
1670         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1671         config/arm/linux-gas.h, config/arm/netbsd-elf.h,
1672         config/arm/netbsd.h, config/arm/pe.c, config/avr/avr.c,
1673         config/avr/avr.h, config/avr/avr.md, config/c4x/c4x.h,
1674         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
1675         config/frv/frv.h, config/ip2k/ip2k.c, config/iq2000/iq2000.c,
1676         config/iq2000/iq2000.h, config/m32r/m32r.c,
1677         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1678         config/m68hc11/m68hc11.md, config/m68k/m68k.md,
1679         config/mcore/mcore.c, config/mcore/mcore.h,
1680         config/mcore/mcore.md, config/mips/mips.c,
1681         config/ns32k/ns32k.h, config/ns32k/ns32k.md,
1682         config/rs6000/rs6000.c, config/s390/s390.c,
1683         config/s390/s390.md, config/sparc/sparc.c, config/v850/v850.c,
1684         config/xtensa/xtensa.h, config/xtensa/xtensa.md: Replace
1685         "gen_rtx (FOO, " with "gen_rtx_FOO (".
1686
1687 2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1688
1689         * config/h8300/h8300.md (two peephole2's): New.
1690
1691 2004-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1692
1693         * config/sparc/sol2-bi.h: Handle TARGET_CPU_ultrasparc3.
1694         (CPP_CPU_SPEC): Handle -mcpu=ultrasparc3.
1695         (ASM_CPU_SPEC): Likewise
1696         * config/sparc/sol2.h: Handle TARGET_CPU_ultrasparc3.
1697         (ASM_CPU_SPEC): Remove -mcpu=v8plus.  Handle -mcpu=ultrasparc3.
1698
1699 2004-02-01  Roger Sayle  <roger@eyesopen.com>
1700
1701         * builtins.c (expand_builtin_pow): If flag_unsafe_math_optimizations
1702         isn't set, don't call expand_builtin_mathfn_2 to use the pow optab.
1703         (expand_builtin): Always call expand_builtin_pow.
1704
1705 2004-02-01  Roger Sayle  <roger@eyesopen.com>
1706
1707         * builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
1708         BUILT_IN_SIGNBITL): New GCC builtins.
1709         * builtins.c (expand_builtin_signbit): New function to RTL expand
1710         calls to signbit, signbitf and signbitl as inline intrinsics.
1711         (expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
1712         (fold_builtin_signbit): New function to perform constant folding
1713         of signbit, signbitf and signbitl.
1714         (fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.
1715
1716         * doc/extend.texi: Document new signbit{,f,l} builtins.
1717
1718 2004-02-01  Richard Sandiford  <rsandifo@redhat.com>
1719
1720         * config/mips/mips.md (adddi3_internal_2): Remove superfluous %s.
1721
1722 2004-02-01  Chris Demetriou  <cgd@broadcom.com>
1723
1724         * config/mips/mips.h (PREDICATE_CODES): Remove entries for
1725         "mips_const_double_ok" and "simple_memory_operand", which were
1726         removed from the MIPS port with the mips-3_4-rewrite branch merge.
1727         * config/mips/mips.c (mips16_lay_out_constants): Update comment
1728         for removal of simple_memory_operand.
1729
1730 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1731
1732         * config/c4x/c4x.md: Use GEN_INT instead of
1733         gen_rtx (CONST_INT, ...).
1734
1735 2004-01-31  Richard Henderson  <rth@redhat.com>
1736
1737         * varasm.c (output_constant_pool): Don't zap the pool.
1738
1739 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1740
1741         * genrecog.c (decision_type): Add DT_const_int.
1742         (write_cond) [DT_const_int]: Print a comparison against small
1743         constant.
1744         (write_node): Simplify comparisons against small constants
1745         before printing tests.
1746
1747 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1748
1749         * config/m32r/m32r.c (m32r_load_pic_register): Use GEN_INT
1750         instead of gen_rtx_CONST_INT.
1751
1752 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1753
1754         * config/xtensa/xtensa.h (DYNAMIC_CHAIN_ADDRESS): Use GEN_INT
1755         instead of gen_rtx_CONST_INT.
1756
1757 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1758
1759         * target-def.h (TARGET_STRICT_ARGUMENT_NAMING): Define as
1760         hook_bool_CUMULATIVE_ARGS_false.
1761         * targhooks.c (default_strict_argument_naming): Rename to
1762         hook_bool_CUMULATIVE_ARGS_false.
1763         * targhooks.h: Update the prototype for
1764         default_strict_argument_naming.
1765
1766 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1767
1768         * config/sh/sh.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
1769         * config/sh/sh.h: Likewise.
1770         * config/sh/sh.md: Likewise.
1771
1772 2004-01-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1773
1774         * doc/invoke.texi (SPARC options): Restructure and update.
1775
1776 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1777
1778         * system.h (PROMOTE_FUNCTION_ARGS, STRUCT_VALUE_INCOMING, and
1779         STRICT_ARGUMENT_NAMING): Poison.
1780         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS): Define as
1781         hook_bool_tree_false.
1782         * targhooks.c (default_promote_function_args): Remove.
1783         (default_struct_value_rtx): Don't use STRUCT_VALUE_INCOMING.
1784         Don't check incoming.
1785         (default_strict_argument_naming): Don't use
1786         STRICT_ARGUMENT_NAMING.
1787         * targhooks.h: Remove the prototype for
1788         default_promote_function_args.
1789
1790 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1791
1792         * config/i386/i386-protos.h: Remove the prototype for
1793         ix86_setup_incoming_varargs.
1794         * config/i386/i386.c (TARGET_SETUP_INCOMING_VARARGS): New.
1795         (ix86_setup_incoming_varargs): Make it static.
1796         * config/i386/i386.h (SETUP_INCOMING_VARARGS): Remove.
1797
1798 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1799
1800         * alloc-pool.c: Fix comment typos.
1801         * builtin-types.def: Likewise.
1802         * builtins.def: Likewise.
1803         * c-pretty-print.c: Likewise.
1804         * df.h: Likewise.
1805         * reload1.c: Likewise.
1806
1807 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1808
1809         * doc/invoke.texi: Follow spelling conventions.
1810         * doc/tm.texi: Likewise.
1811
1812 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1813
1814         * doc/install.texi: Fix typos.
1815         * doc/invoke.texi: Likewise.
1816
1817 2004-01-31  Ulrich Weigand  <uweigand@de.ibm.com>
1818
1819         * config/s390/s390.c (s390_decompose_address): Do not treat virtual
1820         registers as pointers.
1821         * config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.
1822
1823 2004-01-31  Paolo Bonzini  <bonzini@gnu.org>
1824
1825         * combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine
1826         and restore it to gen_lowpart_general on exit.
1827         (gen_lowpart_for_combine): Adjust all callers to go through
1828         gen_lowpart.
1829         * cse.c (cse_main): Set gen_lowpart to gen_lowpart_if_possible
1830         and restore it to gen_lowpart_general on exit.
1831         (gen_lowpart_if_possible): Adjust all callers to go through
1832         gen_lowpart.
1833         * emit-rtl.c (gen_lowpart_general): New name of gen_lowpart.
1834         (gen_lowpart): Declare as pointer to function, initialized to
1835         gen_lowpart_general.
1836         * rtl.h (gen_lowpart): Declare as pointer to function.
1837
1838 2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1839
1840         * bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
1841         * calls.c: Likewise.
1842         * emit-rtl.c: Likewise.
1843         * function.c: Likewise.
1844         * reload1.c: Likewise.
1845         * config/i386/cygming.h: Likewise.
1846         * config/i386/i386.c: Likewise.
1847         * config/i386/winnt.c: Likewise.
1848
1849 2004-01-30  Dara Hazeghi  <dhazeghi@yahoo.com>
1850
1851         PR bootstrap/9249
1852         * doc/install.texi: document --enable-__cxa_atexit option.
1853         * configure.ac: Disable __cxa_atexit if not supported.
1854         * configure: Regenerate.
1855
1856 2003-01-30  Daniel Berlin  <dberlin@dberlin.org>
1857
1858         * ggc-zone.c (ggc_free): New function.
1859
1860 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1861
1862         alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,
1863         cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
1864         flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
1865         ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
1866         tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
1867         config/alpha/alpha.c, config/alpha/alpha.h,
1868         config/alpha/alpha.md, config/alpha/unicosmk.h,
1869         config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
1870         config/c4x/c4x-protos.h, config/c4x/c4x.md,
1871         config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
1872         config/frv/frvend.c, config/i386/cygming.h,
1873         config/i386/djgpp.h, config/i386/emmintrin.h,
1874         config/i386/gthr-win32.c, config/i386/i386-interix.h,
1875         config/i386/i386-protos.h, config/i386/openbsd.h,
1876         config/i386/winnt.c, config/i386/xm-mingw32.h,
1877         config/i386/xmmintrin.h, config/ia64/ia64.md,
1878         config/iq2000/iq2000.md, config/m32r/m32r.md,
1879         config/m68k/m68k.md, config/mcore/mcore-elf.h,
1880         config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
1881         config/mips/iris5gas.h, config/mips/iris6.h,
1882         config/mips/iris6gas.h, config/mips/linux.h,
1883         config/mips/mips.md, config/mips/netbsd.h,
1884         config/mips/openbsd.h, config/mips/windiss.h,
1885         config/pa/fptr.c, config/rs6000/aix.h,
1886         config/rs6000/altivec.h, config/rs6000/darwin.h,
1887         config/rs6000/xcoff.h, config/s390/s390-protos.h,
1888         config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
1889         config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
1890         config/sparc/sol2.h: Update copyright.
1891
1892 2004-01-30  Kelley Cook  <kcook@gcc.gnu.org>
1893
1894         * Makefile.in (abs_docdir, abs_srcdir): Define.
1895         (doc/%.dvi, doc/gccinstall.dvi): Use $(abs_docdir).
1896
1897 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1898
1899         * genconfig.c (main): Have CC0_P check its operand even on a
1900         target without cc0.
1901
1902 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1903
1904         * config/alpha/alpha.c: Remove mentions of deprecates macros
1905         in comments, remove some target-independent comments about target
1906         macros, and/or add minimal function comments for target hook
1907         implementations.
1908         * config/avr/avr.c: Likewise.
1909         * config/ia64/ia64.h: Likewise.
1910         * config/ip2k/ip2k.c: Likewise.
1911         * config/iq2000/iq2000.c: Likewise.
1912         * config/m32r/m32r.h: Likewise.
1913         * config/m68hc11/m68hc11.c: Likewise.
1914         * config/mcore/mcore.c: Likewise.
1915         * config/mmix/mmix.c: Likewise.
1916         * config/mn10300/mn10300.c: Likewise.
1917         * config/pa/pa.c: Likewise.
1918         * config/pdp11/pdp11.c: Likewise.
1919         * config/rs6000/rs6000.h: Likewise.
1920         * config/sh/sh.c: Likewise.
1921         * config/sh/sh.h: Likewise.
1922         * config/sparc/sparc.c: Likewise.
1923         * config/sparc/sparc.h: Likewise.
1924         * config/stormy16/stormy16.c: Likewise.
1925         * config/xtensa/xtensa.c: Likewise.
1926
1927 2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1928
1929         PR optimization/12147
1930         * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
1931         RELOAD_FOR_OPADDR_ADDR.
1932         (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
1933         might be reused as RELOAD_FOR_OPADDR_ADDR register.
1934
1935 2004-01-30  Jan Hubicka  <jh@suse.cz>
1936
1937         * reload.c (get_secondary_mem): Fix updating of
1938         secondary_memlocs_elim_used.
1939
1940 2004-01-30  Richard Henderson  <rth@redhat.com>
1941
1942         * varasm.c (struct rtx_const, struct pool_constant): Remove.
1943         (MAX_RTX_HASH_TABLE): Remove.
1944         (const_rtx_hash_table, const_rtx_sym_hash_table): Remove.
1945         (first_pool, last_pool, pool_offset): Remove.
1946         (struct rtx_constant_pool): Split out from ...
1947         (struct varasm_status): ... here.  Reference one via pointer.
1948         (struct constant_descriptor_rtx): Merge struct pool_constant.
1949         (SYMHASH): Remove.
1950         (decode_rtx_const): Remove.
1951         (const_hash_rtx, compare_constant_rtx): Remove.
1952         (record_constant_rtx): Remove.
1953         (const_desc_rtx_hash, const_desc_rtx_eq): New.
1954         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): New.
1955         (const_rtx_hash_1, const_rtx_hash): New.
1956         (init_varasm_status): Allocate a rtx_constant_pool, and its hashes.
1957         (simplify_subtraction): Use simplify_rtx.
1958         (force_const_mem): Rewrite to use new data structures.
1959         (find_pool_constant): Likewise.
1960         (get_pool_constant, get_pool_constant_mark,
1961         get_pool_constant_for_function, get_pool_mode,
1962         get_pool_mode_for_function, get_pool_offset, get_pool_size): Likewise.
1963         (output_constant_pool_2): Split out from output_constant_pool.
1964         (output_constant_pool_1): Likewise.  Use new pool datastructures.
1965         (output_constant_pool): Zap entire pool datastructure.
1966         (mark_constant): Use new pool datastructures.
1967         (mark_constants): Use for_each_rtx.
1968         (mark_constant_pool): Use new pool datastructures.
1969
1970 2004-01-30  Fariborz Jahanian <fjahanian@apple.com>
1971
1972         * config/rs6000/rs6000.c (rs6000_emit_move): Remove #if 0.
1973         Copy operands[1] to pseudo for simplify_gen_subreg.
1974
1975 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1976
1977         * gcse.c (bypass_block): Fix a typo in the previous check-in
1978         to the file.
1979
1980 2004-01-30  Andrew Pinski <pinskia@physics.uc.edu>
1981
1982         * toplev.c: Include alloc-pool.h.
1983         * Makefile.in (toplev.c): Update dependencies.
1984
1985 2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1986
1987         * combine.c (simplify_shift_const, case XOR): Be careful when
1988         commuting XOR with ASHIFTRT.
1989
1990 2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1991             Eric Botcazou  <ebotcazou@libertysurf.fr>
1992
1993         * config/sparc/sparc-protos.h: Remove the prototype for
1994         sparc_builtin_saveregs.
1995         * config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
1996         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
1997         (TARGET_PROMOTE_PROTOTYPES): Likewise.
1998         (TARGET_STRUCT_VALUE_RTX): Likewise.
1999         (TARGET_RETURN_IN_MEMORY): Likewise.
2000         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2001         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2002         (sparc_builtin_saveregs): Make it static.
2003         (sparc_promote_prototypes): New.
2004         (sparc_struct_value_rtx): Likewise.
2005         (sparc_return_in_memory): Likewise.
2006         * config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
2007         (PROMOTE_FUNCTION_RETURN): Likewise.
2008         (RETURN_IN_MEMORY): Likewise.
2009         (STRUCT_VALUE): Likewise.
2010         (STRUCT_VALUE_INCOMING): Likewise.
2011         (EXPAND_BUILTIN_SAVEREGS): Likewise.
2012         (STRICT_ARGUMENT_NAMING): Likewise.
2013         (PROMOTE_PROTOTYPES): Likewise.
2014
2015         * config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.
2016
2017 2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2018
2019         PR c/12818
2020         * varasm.c (const_hash_1) <STRING_CST>: Use the
2021         address to compute the hash value if flag_writable_strings.
2022         (compare_constant) <STRING_CST>: Compare the addresses
2023         if flag_writable_strings.
2024         (build_constant_desc): Do not copy the expression for a
2025         STRING_CST if flag_writable_strings.
2026
2027 2004-01-30  Jan Hubicka  <jh@suse.cz>
2028
2029         * alloc-pool.c: Include hashtab.h
2030         (alloc_pool_descriptor): New structure
2031         (alloc_pool_hash): New global variable.
2032         (hash_descriptor, eq_descriptor, alloc_pool_descriptor): New.
2033         (create_alloc_pool): Update statistics.
2034         (free_alloc_pool): Likewise.
2035         (pool_alloc): Likewise.
2036         (output_info): New structure
2037         (print_statistics, dump_alloc_pool_statistics): New function.
2038         * alloc-pool.h (alloc_pool_def): Turn name to be constant.
2039         (dump_alloc_pool_statistics): Declare.
2040         * toplev.c (finalize):  Dump statistics.
2041
2042         * reload.c (secondary_memlocs_elim_used): New static variable.
2043         (get_secondary_mem): Update it.
2044         (find_reloads): Use it.
2045
2046 2004-01-30  Steven Bosscher <s.bosscher@student.tudelft.nl>
2047
2048         * toplev.c: Fix broken checkin of 2003-12-30, again.
2049
2050 2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
2051
2052         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2053         s390*-*-* targets by specifying a 'nop' insn.
2054         * configure: Regenerate.
2055
2056 2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
2057
2058         PR target/11475
2059         * config/sparc/sparc.md (movhi_lo_sum): Tighten predicates.
2060
2061 2004-01-29  Jakub Jelinek  <jakub@redhat.com>
2062
2063         * emit-rtl.c (change_address): Use XEXP (memref, 0) instead
2064         of addr when creating MEM copy.
2065
2066 2004-01-29  Devang Patel  <dpatel@apple.com>
2067
2068         * dwarf2out.c (gen_field_die): Do not equate decl number to die.
2069
2070 2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>
2071
2072         PR inline-asm/6162
2073         * reload.c (find_reloads): Only support one pair of commutative
2074         operands.
2075
2076 2004-01-29  Roger Sayle  <roger@eyesopen.com>
2077
2078         PR java/13824
2079         * tree.c (unsafe_for_reeval): Handle EXIT_BLOCK_EXPR nodes specially
2080         as their EXIT_BLOCK_LABELED_BLOCK operands can lead to unbounded
2081         recursion.
2082
2083 2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2084
2085         * config/frv/frv.c: Don't mention deprecated macros in
2086         comments.  Remove some target-independent comments about
2087         target macros.
2088         * config/frv/frv.h: Likewise.
2089
2090 2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2091
2092         * cfghooks.c (split_block): Set probability and count of the
2093         new edge.
2094
2095 2005-01-29  Josef Zlomek  <zlomekj@suse.cz>
2096
2097         * dwarf2out.c (struct die_struct): Added field decl_id.
2098         (decl_die_table): Changed to hash table.
2099         (decl_die_table_allocated): Deleted.
2100         (decl_die_table_in_use): Deleted.
2101         (DECL_DIE_TABLE_INCREMENT): Deleted.
2102         (decl_die_table_hash): New function.
2103         (decl_die_table_eq): New function.
2104         (lookup_decl_die): Lookup in a hash table.
2105         (equate_decl_number_to_die): Insert into a hash table.
2106         (dwarf2out_init): Init hash table decl_die_table.
2107
2108 2004-01-29  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR optimization/13424
2111         * expr.c (store_constructor): Revert 2003-12-03 change.
2112
2113         * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as
2114         expected before returning early.  Avoid sharing RTL if they
2115         need to be changed.
2116
2117         * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov
2118         handling so that memory attributes are preserved.  Don't call
2119         ix86_set_move_mem_attrs.
2120         (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed.
2121         (ix86_expand_clrstr): Rename src argument to
2122         dst.  Rework rep_stos and strset handling so that memory attributes
2123         are preserved.
2124         (ix86_expand_strlen): Pass src argument to
2125         ix86_expand_strlensi_unroll_1.  Rework strlenqi_1 handling so that
2126         memory attributes are preserved.
2127         (ix86_expand_strlensi_unroll_1): Add src argument.  Use
2128         change_address instead of gen_rtx_MEM.
2129         * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New
2130         expanders.
2131         (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64,
2132         strmovqi, strmovqi_rex64): Remove.
2133         (rep_mov*, strmov*): Prefix insn names with *.
2134         (strset, strset_singleop, rep_stos): New expanders.
2135         (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64,
2136         strsetqi, strsetqi_rex64): Remove.
2137         (rep_stos*, strset*): Prefix insn names with *.
2138         (rep_stosqi_rex64): Likewise.  Fix mode of dirflag reg from DImode
2139         to SImode.
2140         (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes
2141         are preserved.
2142         (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1):
2143         Prefix insn names with *.
2144         (cmpstrqi_nz_1, cmpstrqi_1): New expanders.
2145         (strlenqi_1, strlenqi_rex_1): Prefix insn names with *.
2146         (strlenqi_1): New expander.
2147         * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype.
2148
2149 2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2150
2151         * Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
2152         * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
2153         verify_flow_info): Declaration removed.
2154         * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
2155         (debug_bb, debug_bb_n): Add argument to dump_bb call.
2156         * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
2157         try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
2158         instead of delete_block.
2159         * cfghooks.c: Include timevar.h and toplev.h.
2160         (cfg_hooks): Define here.
2161         (verify_flow_info, dump_bb): Moved from cfg.c.
2162         (redirect_edge_and_branch, redirect_edge_and_branch_force,
2163         split_block, split_block_after_labels, move_block_after,
2164         delete_basic_block, split_edge, create_basic_block,
2165         create_empty_bb, can_merge_blocks_p, merge_blocks,
2166         make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
2167         New functions.
2168         * cfghooks.h (struct cfg_hooks): Added fields name,
2169         make_forwarder_block, tidy_fallthru_edge and
2170         move_block_after. Changed type of verify_flow_info, dump_bb,
2171         split_block fields. Renamed cfgh_split_edge and delete_block
2172         fields.
2173         (redirect_edge_and_branch, redirect_edge_and_branch_force,
2174         split_block, delete_block, split_edge, create_basic_block,
2175         can_merge_blocks_p, merge_blocks): Macros removed.
2176         (cfg_hooks): Do not export.
2177         (verify_flow_info, dump_bb, redirect_edge_and_branch,
2178         redirect_edge_and_branch_force, split_block, split_block_after_labels,
2179         move_block_after, delete_basic_block, split_edge, create_basic_block,
2180         create_empty_bb, can_merge_blocks_p, merge_blocks,
2181         make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
2182         Declare.
2183         (cfg_layout_rtl_cfg_hooks): Declare.
2184         * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
2185         New functions.
2186         (canonicalize_loop_headers): Use new semantics of make_forwarder_block.
2187         (redirect_edge_with_latch_update): Removed.
2188         (make_forwarder_block): Moved to cfghooks.c, semantics changed.
2189         * cfgloopmanip.c (remove_bbs): Do not update dominators here.
2190         * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
2191         rtl_delete_block, rtl_split_block, rtl_merge_blocks,
2192         tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
2193         cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
2194         cfghooks.c.
2195         (rtl_create_basic_block): Coding style fix.
2196         (rtl_tidy_fallthru_edge, rtl_move_block_after,
2197         rtl_make_forwarder_block): New functions.
2198         (update_cfg_after_block_merging): Removed.
2199         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
2200         * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
2201         to dump_bb.
2202         * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
2203         find_if_case_2): Don't update dominators.
2204         * timevar.def (TV_CFG_VERIFY): New.
2205         * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
2206         * cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
2207         * cfgloopmanip.c (split_loop_bb): Don't update dominators.
2208         (remove_bbs): Don't call remove_bbs.
2209         (create_preheader): Use make_forwarder_block.
2210         (mfb_keep_just, mfb_update_loops): New static functions.
2211
2212 2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2213
2214         * config/avr/avr.h: Remove target-independent comments about
2215         target macros.
2216
2217 2004-01-28  Daniel Berlin  <dberlin@dberlin.org>
2218
2219         * timevar.c (timevar_print): Mention when checking is enabled.
2220
2221 2004-01-28  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2222
2223         * c-lex.c (c_lex): Rename to...
2224         (c_lex_with_flags): Add new parameter to get CPP flags.
2225         (c_lex): Thunk to c_lex_with_flags while keeping the old interface.
2226         * c-pragma.h (c_lex_with_flags): Declare.
2227
2228 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2229
2230         * config/mcore/mcore.c (mcore_external_libcall): Add a
2231         comment.
2232         (mcore_return_in_memory): Likewise.
2233
2234 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2235
2236         * config/mcore/mcore-protos.h: Remove the prototype for
2237         mcore_setup_incoming_varargs.
2238         * config/mcore/mcore.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
2239         (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
2240         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2241         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2242         (TARGET_STRUCT_VALUE_RTX): Likewise.
2243         (TARGET_RETURN_IN_MEMORY): Likewise.
2244         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2245         (mcore_setup_incoming_varargs): Make it static.  Receive the
2246         first argument by reference.  Add argument second_time.
2247         (mcore_external_libcall): New.
2248         (mcore_return_in_memory): Likewise.
2249         * config/mcore/mcore.h (PROMOTE_FUNCTION_ARGS): New.
2250         (PROMOTE_FUNCTION_RETURN): Likewise.
2251         (STRUCT_VALUE): Likewise.
2252         (RETURN_IN_MEMORY): Likewise.
2253         (SETUP_INCOMING_VARARGS): Likewise.
2254         (PROMOTE_PROTOTYPES): Likewise.
2255         (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2256
2257 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2258
2259         * config/m32r/m32r-protos.h: Remove the prototype for
2260         m32r_setup_incoming_varargs.
2261         * config/m32r/m32r.c (TARGET_PROMOTE_PROTOTYPES): New.
2262         (TARGET_STRUCT_VALUE_RTX): Likewise.
2263         (TARGET_RETURN_IN_MEMORY): Likewise.
2264         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2265         (m32r_return_in_memory): New.
2266         (m32r_setup_incoming_varargs): Make it static.
2267         * config/m32r/m32r.h: Remove #undef of
2268         ASM_OUTPUT_EXTERNAL_LIBCALL.  Remove the commented-out
2269         definitions of PROMOTE_FUNCTION_ARGS and
2270         PROMOTE_FUNCTION_RETURN.
2271         (PROMOTE_PROTOTYPES): Remove.
2272         (RETURN_IN_MEMORY): Likewise.
2273         (STRUCT_VALUE): Likewise.
2274
2275 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2276
2277         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES): New.
2278         (TARGET_STRUCT_VALUE_RTX): Likewise.
2279         (m68k_struct_value_rtx): Likewise.
2280         * config/m68k/m68k.h (STRUCT_VALUE_REGNUM): Rename to
2281         STRUCT_VALUE_REGNUM.
2282         (PROMOTE_PROTOTYPES): Remove.
2283         * config/m68k/m68kelf.h (STRUCT_VALUE_REGNUM): Rename to
2284         STRUCT_VALUE_REGNUM.
2285         * config/m68k/m68kv4.h (STRUCT_VALUE_REGNUM): Likewise.
2286         * config/m68k/netbsd-elf.h (STRUCT_VALUE_REGNUM): Likewise.
2287
2288 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2289
2290         * config/stormy16/stormy16.c
2291         (TARGET_BUILD_BUILTIN_VA_LIST_TYPE): Rename to
2292         TARGET_BUILD_BUILTIN_VA_LIST.
2293
2294 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2295
2296         * config/v850/v850.c (TARGET_PROMOTE_PROTOTYPES): New.
2297         (TARGET_STRUCT_VALUE_RTX): Likewise.
2298         (TARGET_RETURN_IN_MEMORY): Likewise.
2299         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2300         (v850_return_in_memory): Likewise.
2301         (v850_setup_incoming_varargs): Likewise.
2302         * config/v850/v850.h (PROMOTE_PROTOTYPES): Remove.
2303         (SETUP_INCOMING_VARARGS): Likewise.
2304         (RETURN_IN_MEMORY): Likewise.
2305         (STRUCT_VALUE): Likewise.
2306
2307 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2308
2309         * config/fr30/fr30.c (TARGET_PROMOTE_PROTOTYPES): New.
2310         (fr30_setup_incoming_varargs): Don't use
2311         STRICT_ARGUMENT_NAMING.
2312         * config/fr30/fr30.h (PROMOTE_PROTOTYPES): Remove.
2313         (STRICT_ARGUMENT_NAMING): Likewise.
2314
2315 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2316
2317         * config/frv/frv-protos.h: Remove the prototype for
2318         frv_expand_builtin_saveregs.
2319         * config/frv/frv.c (TARGET_STRUCT_VALUE_RTX): Likewise.
2320         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2321         (frv_stack_info): Use FRV_STRUCT_VALUE_REGNUM instead of
2322         STRUCT_VALUE_REGNUM.
2323         (frv_expand_builtin_saveregs): Make it static.
2324         (frv_struct_value_rtx): New.
2325         * config/frv/frv.h (EXPAND_BUILTIN_SAVEREGS): Remove.
2326
2327 2004-01-29  Jan Hubicka  <jh@suse.cz>
2328
2329         PR c++/12850
2330         * cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
2331         initial pointers.
2332         * cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
2333         for functions that will be only inlined.
2334         (cgraph_mark_function_to_output): Likewise.
2335         (cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
2336         do not clear function body.
2337         * tree-optimize.c (clear_decl_rtl): Use decl_function_context.
2338         (tree_rest_of_compilation): Reorganize the logic releasing function
2339         body to use callgraph datastructure.
2340
2341 2004-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2342
2343         * pa.md: Change predicate of a peephole2 pattern from reg_or_0_operand
2344         to register_operand.
2345
2346 2004-01-28  Zack Weinberg  <zack@codesourcery.com>
2347
2348         * config/ia64/ia64.md (fetchadd_acq_si, fetchadd_acq_di)
2349         (cmpxchg_acq_si, cmpxchg_acq_di): Exchange match_dup and
2350         match_operand expressions so that all match_dups appear
2351         lexically after their corresponding match_operands.
2352
2353 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2354
2355         * config/h8300/h8300.c (WORD_REG_USED): Use
2356         HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
2357         (compute_saved_regs): Likewise.
2358         (h8300_expand_prologue): Likewise.  Allocate locals after
2359         saving registers.
2360         (h8300_expand_epilogue): Use HARD_FRAME_POINTER_REGNUM instead
2361         of FRAME_POINTER_REGNUM.  Deallocate locals before saving
2362         registers.
2363         (h8300_initial_elimination_offset): Adjust for the new frame
2364         layout, which swaps flips the order of locals and saved
2365         registers.
2366         * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Change to 12.
2367         (HARD_FRAME_POINTER_REGNUM): New.
2368         (ELIMINABLE_REGS): Add an elimination rule from
2369         FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM.
2370         (REGISTER_NAMES): Add fp.
2371         * config/h8300/h8300.md (FP_REG): Change to 11.
2372         (HFP_REG): New.
2373
2374 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2375
2376         * genrecog.c (write_node): Remove a useless local variable.
2377
2378 2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>
2379
2380         * Makefile.in (options.c options.h): Use stamp file s-options to
2381         avoid unnecessary rebuilds.
2382         (options.o): New target listing dependencies.
2383         (gtyp-gen.h): Use stamp file s-gtyp-gen.
2384         (STAGESTUFF): Add s-gtyp-gen.
2385
2386 2004-01-28  Richard Henderson  <rth@redhat.com>
2387
2388         * ggc.h (ggc_free): Declare.
2389         * ggc-common.c (ggc_realloc): Use it.
2390         * ggc-page.c: Remove lots of inline markers.
2391         (globals): Add free_object_list.
2392         (ggc_alloc): Tidy.
2393         (ggc_free, validate_free_objects): New.
2394         (poison_pages): Provide default.
2395         (ggc_collect): Call validate_free_objects; emit markers to
2396         the debug file.
2397
2398 2004-01-28  Zack Weinberg  <zack@codesourcery.com>
2399             Jim Wilson  <wilson@specifixinc.com>
2400
2401         * config/ia64/ia64.c (ia64_split_tmode, ia64_split_tmode_move):
2402         Rewrite to use POST_INC/POST_DEC/POST_MODIFY instead of a
2403         scratch pointer.
2404         (ia64_secondary_reload_class): Delete case GR_REGS.
2405         * config/ia64/ia64.md (movti, *movti_internal, movtf, *movtf_internal):
2406         Do not allocate a scratch register.
2407         (reload_inti, reload_outti, reload_intf, reload_outtf): Delete.
2408
2409 2004-01-28  Jan Hubicka  <jh@suse.cz>
2410
2411         * gcse.c (bypass_block): Prevent edges to be unified when we are
2412         about to emit compenstation code.
2413
2414 2004-01-28  Nick Clifton  <nickc@redhat.com>
2415
2416         * config/arm/arm.c (arm_expand_builtin): Force second argument of
2417         the setcwx insn into a register.
2418
2419 2004-01-28  Richard Sandiford  <rsandifo@redhat.com>
2420
2421         * config/fp-bit.c (pack_d): When using paired doubles to implement
2422         a long double, round the high part separately.
2423         (unpack_d): Fix the case in which the high part is a power of two
2424         and the low part is a nonzero value of the opposite sign.
2425
2426 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2427
2428         * config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
2429         (TARGET_STRUCT_VALUE_RTX): Likewise.
2430         (c4x_external_libcall): Likewise.
2431         (c4x_struct_value_rtx): Likewise.
2432         * config/c4x/c4x.h: Remove.
2433         (STRUCT_VALUE_REGNUM): Likewise.
2434         (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2435
2436 2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2437
2438         * config/i386/i386.c (TARGET_PROMOTE_PROTOTYPES): New.
2439         (TARGET_STRUCT_VALUE_RTX): Likewise.
2440         * config/i386/i386.h (STRUCT_VALUE_INCOMING): Remove.
2441         (STRUCT_VALUE): Likewise.
2442         (PROMOTE_PROTOTYPES): Likewise.
2443
2444 2004-01-27  Roger Sayle  <roger@eyesopen.com>
2445
2446         * config/pa/pa.c (emit_move_sequence): Check that operand1 is a
2447         CONST_INT before using INTVAL.
2448
2449 2004-01-27  Ulrich Weigand  <uweigand@de.ibm.com>
2450
2451         * config/s390/s390.h (TARGET_DEFAULT): Default to !TARGET_BACKCHAIN.
2452         * config/s390/s390.c (s390_return_addr_rtx): Fail for all but current
2453         frame if !TARGET_BACKCHAIN.
2454         * config/s390/s390.md ("allocate_stack"): Use pattern only if
2455         TARGET_BACKCHAIN.
2456         * doc/invoke.texi (-mbackchain/-mno-backchain): Document new default.
2457
2458 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
2459
2460         * ia64.c (ia64_function_arg): When placing HFAs in integer
2461         registers, do not special case the mode used for complex
2462         types.  Do not advance int_regs until the current register
2463         is full.
2464
2465 2004-01-27  Richard Sandiford  <rsandifo@redhat.com>
2466
2467         PR target/7297
2468         * except.c (init_eh): Use a 5-word __jbuf for __builtin_setjmp().
2469
2470 2004-01-27  David Edelsohn  <edelsohn@gnu.org>
2471
2472         * config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
2473         slow, unaligned loads and stores while debugging.  Fix formatting.
2474
2475 2004-01-27  David Edelsohn  <edelsohn@gnu.org>
2476
2477         * config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead
2478         of computing wmode.
2479         (restore_stack_nonlocal): Same.
2480
2481 2004-01-27  Devang Patel <dpatel@apple.com>
2482
2483         * Makefile.in (dwarf2out.o): Depend on input.h
2484         * dbxout.c (dbx_debug_hooks): Add new empty hook for
2485         imported_module_or_decl.
2486         (xcoff_debug_hooks): Same.
2487         * sdbout.c (sdb_debug_hooks): Same.
2488         * vmsdbgout.c (vmsdbg_debug_hooks): Same.
2489         * debug.c (do_nothing_debug_hooks): Same.
2490         (debug_nothing_tree_tree): New function.
2491         * debug.h (gcc_debug_hooks): New hook, imported_module_or_decl.
2492         * dwarf2out.c: Include input.h.
2493         (dwarf2_debug_hooks): Add new hook for imported_module_or_decl.
2494         (remove_child_TAG): New function.
2495         (dwarf_tag_name): Handle DW_TAG_imported_module.
2496         (gen_subprogram_die): Equate decl number to declaration die. Do not
2497         remove all children dies while reusing declaration die for definition.
2498         Instead, selectively remove only formal parameters.
2499         (gen_variable_die): Equate variable decl to declaration die.
2500         (gen_field_die): Equate field decl to line number.
2501         (force_namespace_die): Replace it with ...
2502         (force_decl_die): ... this.
2503         (force_type_die): New function.
2504         (setup_namespace_context): Replace use of force_namespace_die() with
2505         force_decl_die().
2506         (gen_namespace_die): Same.
2507         (dwarf2out_imported_module_or_decl): New function.
2508
2509 2004-01-27  Bob Wilson  <bob.wilson@acm.org>
2510
2511         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Remove SUBREG
2512         on CQImode and CHImode incoming arguments in register a7.
2513         (function_arg): Wrap BLKmode argument in register a7 in a PARALLEL.
2514         * config/xtensa/xtensa.h (BLOCK_REG_PADDING): Define.
2515         * config/xtensa/xtensa.md (movdi, movdf): Only call force_reg or
2516         xtensa_copy_incoming_a7 before reload.
2517
2518 2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
2519
2520         * coverage.c (get_coverage_counts): Give a different message
2521         if flag_guess_branch_prob is set.
2522         * predict.c (counts_to_freqs): Return an int.
2523         (estimate_bb_frequencies): If counts_to_freqs returns zero,
2524         calculate estimates.
2525
2526 2004-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2527
2528         * config/iq2000/iq2000-protos.h: Remove the prototype for
2529         iq2000_setup_incoming_varargs.
2530         * config/iq2000/iq2000.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2531         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2532         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2533         (TARGET_STRUCT_VALUE_RTX): Likewise.
2534         (TARGET_RETURN_IN_MEMORY): Likewise.
2535         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2536         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2537         (iq2000_return_in_memory): Likewise.
2538         (iq2000_setup_incoming_varargs): Make it static.  Receive the
2539         first argument by reference.
2540         * config/iq2000/iq2000.h (PROMOTE_FUNCTION_ARGS): Remove.
2541         (PROMOTE_FUNCTION_RETURN): Likewise.
2542         (PROMOTE_PROTOTYPES): Likewise.
2543         (RETURN_IN_MEMORY): Likewise.
2544         (STRUCT_VALUE): Likewise.
2545         (SETUP_INCOMING_VARARGS): Likewise.
2546         (STRICT_ARGUMENT_NAMING): Likewise.
2547
2548 2004-01-24  James A. Morrison  <ja2morri@uwaterloo.ca>
2549
2550         * fixinc/fixinc.c (test_test): Initialize res.
2551         (start_flexer): Initialize pz_cmd_save.
2552
2553 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
2554
2555         * doc/rtl.texi (Arithmetic): Rewrite entries for PLUS,
2556         SS_PLUS, US_PLUS, LO_SUM, MINUS, SS_MINUS, US_MINUS.
2557
2558 2004-01-27  Zack Weinberg  <zack@codesourcery.com>
2559
2560         PR 7198
2561         * config/ia64/ia64.md (*nmaddsf4, *nmadddf4, *nmadddf4_alts)
2562         (*nmadddf4_trunc, *nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf)
2563         (*nmaddxf4_alts, *nmaddxf4_truncdf_alts):
2564         Rewrite pattern as (minus (op 3) (mult (op 1) (op 2))).
2565         Possibly rename pattern for consistency.
2566         Remove ??? comments suggesting that this be done.
2567         (*nmaddsf4_alts, *nmadddf4_truncsf_alts, *nmaddxf4_truncsf_alts):
2568         New patterns.
2569         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr)
2570         (divsf3_internal_lat, divsf3_internal_thr, sqrtsf2_internal_thr)
2571         (divdf3_internal_lat, divdf3_internal_thr, sqrtdf2_internal_thr)
2572         (divxf3_internal_lat, divxf3_internal_thr, sqrtxf2_internal_thr):
2573         Update to match.
2574
2575 2004-01-27  Ian Lance Taylor  <ian@wasabisystems.com>
2576
2577         * config/arm/arm.c (output_return_instruction): Only restore IP
2578         into SP if frame_pointer_needed.
2579
2580 2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2581
2582         * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
2583         for SCmode and DCmode if ARCH32.
2584         (sparc_va_arg): Handle SCmode and DCmode by reference if ARCH32.
2585         * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for TCmode
2586         if ARCH32.
2587         (BASE_RETURN_VALUE_REG): Return 32 for all FP modes except TFmode
2588         if ARCH32.
2589         (BASE_OUTGOING_VALUE_REG): Likewise.
2590
2591 2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2592
2593         PR target/10904
2594         PR target/13058
2595         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): New.
2596         Forbid mode changes from SImode for lower FP regs if ARCH64.
2597
2598 2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>
2599
2600         * Makefile.in (bt-load.o): Depend on except.h.
2601         * bt-load.c (except.h): #include.
2602         (compute_defs_uses_and_gen): If insn at end of BB can throw
2603         within this function, consider registers used by it unavailable for
2604         btr migration.
2605         (move_btr_def): If insn at end of BB can throw, insert before rather
2606         than after.
2607
2608         * flags.h (flag_btr_bb_exclusive): Declare.
2609         * toplev.c (flag_btr_bb_exclusive): New variable.
2610         (f_options): Add btr-bb-exclusive.
2611         * bt-load.c (augment_live_range): Restore old behaviour if
2612         flag_btr_bb_exclusive is set.
2613         * common.opt: Add entry for -fbtr-bb-exclusive.
2614         * opts.c (common_handle_options): Same.
2615         * doc/invoke.texi: Document -fbtr-bb-exclusive.
2616
2617         * bt-load.c (btrs_live_at_end): New variable.
2618         (compute_defs_uses_and_gen): Compute its pointed-to array.
2619         (clear_btr_from_live_range, add_btr_to_live_range): Update it.
2620         (augment_live_range): When augmenting with a new dominator,
2621         use only its btrs_live_at_end set, but also add in the full set
2622         of the old dominator.
2623         (btr_def_live_range): Use btrs_live_at_end.
2624         (move_btr_def): Set other_btr_uses_before_def, and move new set
2625         to the end of the basic block, if appropriate.
2626         (migrate_btr_defs): Allocate and free btrs_live_at_end.
2627
2628         * bt-load.c (basic_block_freq): Remove outdated comment.
2629
2630 2004-01-27  Alan Modra  <amodra@bigpond.net.au>
2631
2632         * config/rs6000/rs6000.h: Correct target_flags free bits comment.
2633         (PREDICATE_CODES): Remove duplicate.
2634         * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
2635         (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
2636         (MASK_PROFILE_KERNEL): Adjust define.
2637
2638 2004-01-27  Jakub Jelinek  <jakub@redhat.com>
2639
2640         * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
2641         of long string literals from 32 bytes to sizeof (void *) when !-Os
2642         and to 1 with -Os.
2643
2644 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2645
2646         * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
2647         constant addresses in the normal mode.
2648
2649 2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2650
2651         * system.h (CHAR_BITFIELD): Delete.
2652         (BOOL_BITFIELD): New.
2653         * c-decl.c (c_scope): Use BOOL_BITFIELD.
2654         * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.
2655
2656 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2657
2658         * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2659         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2660         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2661         (TARGET_STRUCT_VALUE_RTX): Likewise.
2662         (TARGET_RETURN_IN_MEMORY): Likewise.
2663         (arc_return_in_memory): Likewise.
2664         * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
2665         (PROMOTE_FUNCTION_RETURN): Likewise.
2666         (RETURN_IN_MEMORY): Likewise.
2667         (STRUCT_VALUE): Likewise.
2668
2669 2004-01-26  Richard Henderson  <rth@redhat.com>
2670
2671         * c-parse.in (extension): Use itype.
2672         (SAVE_EXT_FLAGS): Don't allocate a tree.
2673         (RESTORE_EXT_FLAGS): Don't read a tree.
2674
2675 2004-01-26  Jan Hubicka  <jh@suse.cz>
2676
2677         * cselib.c (discard_useless_values):  Clear out value pointer pointing
2678         to datastructure to be recycled.
2679
2680 2004-01-25  Jan Hubicka  <jh@suse.cz>
2681
2682         * genextract.c (main): Do not output the memset when not checking.
2683
2684 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2685
2686         * config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
2687         switch statement instead of a chain of if statements.
2688
2689 2004-01-26  Jeff Law  <law@redhat.com>
2690
2691         * doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
2692         acute accents for Petur Runolfsson's entry.
2693
2694 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2695
2696         * config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
2697         (TARGET_RETURN_IN_MEMORY): Likewise.
2698         * config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
2699         (RETURN_IN_MEMORY): Likewise.
2700
2701 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2702
2703          * config/rs6000/rs6000.c (rs6000_emit_move): split slow
2704          unaligned load/store into smaller loads and stores.
2705
2706 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2707
2708         * function.c (assign_parms): Do not assign
2709         long long argument to memory in prologue if
2710         is it loaded into register.
2711
2712 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2713
2714          PR middle-end/13779
2715          * expr.c (emit_group_load): split constant
2716          correctly into register components of PARALLEL insn.
2717
2718 2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>
2719
2720         * gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
2721         Use adjust_address_nv directly with appropriate mode.
2722         (restore_stack_nonlocal): Ditto.
2723
2724 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2725
2726         * config/xtensa/xtensa-protos.h: Remove the prototype for
2727         xtensa_builtin_saveregs.
2728         * config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2729         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2730         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2731         (TARGET_STRUCT_VALUE_RTX): Likewise.
2732         (TARGET_RETURN_IN_MEMORY): Likewise.
2733         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2734         (xtensa_builtin_saveregs): Make it static.
2735         (xtensa_return_in_memory): New.
2736         * config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
2737         (PROMOTE_FUNCTION_RETURN): Likewise.
2738         (PROMOTE_PROTOTYPES): Likewise.
2739         (STRUCT_VALUE): Likewise.
2740         (RETURN_IN_MEMORY): Likewise.
2741         (EXPAND_BUILTIN_SAVEREGS): Likewise.
2742
2743 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2744
2745         * config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
2746         (arm_setup_incoming_varargs): Likewise.
2747         * config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.
2748
2749 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2750
2751         * config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
2752         (cris_setup_incoming_varargs): Likewise.
2753         * config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.
2754
2755 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2756
2757         * config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
2758         (ns32k_struct_value_rtx): Likewise.
2759         * config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
2760         NS32K_STRUCT_VALUE_REGNUM.
2761
2762 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2763
2764         * config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2765         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2766         (TARGET_STRUCT_VALUE_RTX): Likewise.
2767         (arm_struct_value_rtx): Likewise.
2768         * config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
2769         (STRUCT_VALUE): Likewise.
2770         (STRUCT_VALUE_REGNUM): Likewise.
2771         (PROMOTE_PROTOTYPES): Likewise.
2772
2773 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2774
2775         * config/ia64/ia64-protos.h: Remove the prototype for
2776         ia64_setup_incoming_varargs and ia64_return_in_memory.
2777         * config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
2778         (TARGET_RETURN_IN_MEMORY): Likewise.
2779         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2780         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2781         (ia64_setup_incoming_varargs): Adjust the arguments to meet
2782         the requirement of TARGET_SETUP_INCOMING_VARARGS.
2783         (ia64_return_in_memory): Make it static.  Change the return
2784         type to bool from int.  Add an argument.
2785         (ia64_struct_value_rtx): New.
2786         * config/ia64/ia64.h: Remove commented-out definitions of
2787         PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
2788         PROMOTE_PROTOTYPES.
2789         (RETURN_IN_MEMORY): Remove.
2790         (STRUCT_VALUE_REGNUM): Likewise.
2791         (STRICT_ARGUMENT_NAMING): Likewise.
2792
2793 2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>
2794
2795         PR target/13666
2796         * config/sparc/sparc.c (function_arg_union_value): New function.
2797         (function_arg): Use it to deal with unions.
2798         (function_value): Likewise.  Define 'regbase' only for ARCH64.
2799         Replace a conditional statement by a simpler one.
2800
2801 2004-01-26  Richard Sandiford  <rsandifo@redhat.com>
2802
2803         * config/mips/mips.c (mips16_optimize_gp): Delete.
2804         (mips_reorg): Don't call it.
2805
2806 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2807
2808         * config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
2809         (floatunsqihf2): Remove operand 6.
2810         (fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
2811         fix patterns.
2812         (ldi_conditional, ldf_conditional): Validate operands.
2813
2814 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2815
2816         * config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
2817         (HAVE_GAS_HIDDEN): Undefine as interim measure.
2818
2819 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2820
2821         * config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
2822         memory references if TARGET_EXPOSE_LDP nonzero.
2823
2824 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2825
2826         * config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.
2827
2828 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2829
2830         * config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
2831         invalid operand combinations.
2832
2833 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2834
2835         * config/c4x/c4x.c (c4x_check_legit_addr): Rename to
2836         c4x_legitimate_address_p.  Fix post_modify check.
2837
2838         * config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
2839         * config/c4x/c4x.h (c4x_check_legit_addr): Adjust.
2840
2841 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2842
2843         * config/pa/pa-protos.h: Remove the prototype for
2844         hppa_builtin_saveregs.  Add a prototype for
2845         pa_return_in_memory.
2846         * config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
2847         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2848         (TARGET_STRUCT_VALUE_RTX): Likewise.
2849         (TARGET_RETURN_IN_MEMORY): Likewise.
2850         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2851         (pa_struct_value_rtx): Likewise.
2852         (pa_return_in_memory): Likewise.
2853         * config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
2854         PA_STRUCT_VALUE_REGNUM.
2855         (INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
2856         (EXPAND_BUILTIN_SAVEREGS): Remove.
2857         (PROMOTE_PROTOTYPES): Likewise.
2858         (PROMOTE_FUNCTION_RETURN): Likewise.
2859
2860 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2861
2862         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
2863         (TARGET_STRUCT_VALUE_RTX): Likewise.
2864         (vax_struct_value_rtx): Likewise.
2865         * config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
2866         VAX_STRUCT_VALUE_REGNUM.
2867         (PROMOTE_PROTOTYPES): Remove.
2868
2869 2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
2870
2871         * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.
2872
2873 2003-04-25  Chris Demetriou  <cgd@broadcom.com>
2874
2875         * config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
2876         and MIPS64 have HI/LO interlocks.  Update comment.
2877
2878 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2879
2880         * config/stormy16/stormy16-protos.h: Remove the prototype for
2881         xstormy16_setup_incoming_varargs.
2882         * config/stormy16/stormy16.c
2883         (xstormy16_setup_incoming_varargs): Remove.
2884         (xstormy16_return_in_memory): New.
2885         (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
2886         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2887         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2888         (TARGET_STRUCT_VALUE_RTX): Likewise.
2889         (TARGET_RETURN_IN_MEMORY): Likewise.
2890         * config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
2891         (PROMOTE_FUNCTION_RETURN): Likewise
2892         (PROMOTE_PROTOTYPES): Likewise
2893         (RETURN_IN_MEMORY): Likewise
2894         (STRUCT_VALUE): Likewise
2895         (SETUP_INCOMING_VARARGS): Likewise
2896
2897 2004-01-25  Richard Sandiford  <rsandifo@redhat.com>
2898
2899         * config/mips/mips.c (mips_offset_within_object_p): New function.
2900         (mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
2901         SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
2902         ABI has 64-bit pointers and the object file only allows 32-bit symbols.
2903
2904 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2905
2906         * config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
2907         (PROMOTE_FUNCTION_RETURN): Likewise.
2908
2909 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2910
2911         * config/mn10300/mn10300-protos.h: Remove the prototype for
2912         mn10300_builtin_saveregs.
2913         * config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
2914         (TARGET_STRUCT_VALUE_RTX): Likewise.
2915         (TARGET_RETURN_IN_MEMORY): Likewise.
2916         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2917         (mn10300_return_in_memory): Likewise.
2918         (mn10300_builtin_saveregs): Make it static.
2919         * config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
2920         (RETURN_IN_MEMORY): Likewise.
2921         (STRUCT_VALUE): Likewise.
2922         (EXPAND_BUILTIN_SAVEREGS): Likewise.
2923
2924 2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>
2925
2926         PR bootstrap/13853
2927         * cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.
2928
2929 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2930
2931         * config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
2932         using ccr.
2933
2934 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2935
2936         * config/i860/i860-protos.h: Remove the prototype for
2937         i860_saveregs.
2938         * config/i860/i860.c (i860_saveregs): Make it static.
2939         (i860_struct_value_rtx): New.
2940         (TARGET_STRUCT_VALUE_RTX): Likewise.
2941         (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
2942         * config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
2943         I860_STRUCT_VALUE_REGNUM.
2944         (EXPAND_BUILTIN_SAVEREGS): Remove.
2945
2946 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2947
2948         * config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
2949         (TARGET_RETURN_IN_MEMORY): Likewise.
2950         (m68hc11_struct_value_rtx): Likewise.
2951         (m68hc11_return_in_memory): Likewise.
2952         * config/m68hc11/m68hc11.h: Remove a commented-out definition
2953         of PROMOTE_PROTOTYPES.
2954         (RETURN_IN_MEMORY): Remove.
2955         (STRUCT_VALUE_REGNUM): Likewise.
2956
2957 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2958
2959         * config/mmix/mmix-protos.h: Remove the prototype for
2960         mmix_setup_incoming_varargs.
2961         * config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2962         (TARGET_STRUCT_VALUE_RTX): Likewise.
2963         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2964         (mmix_setup_incoming_varargs): Make it static.
2965         (mmix_struct_value_rtx): New.
2966         * config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
2967         Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
2968         (STRUCT_VALUE_REGNUM): Remove.
2969         (SETUP_INCOMING_VARARGS): Likewise.
2970
2971 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2972
2973         * config/mips/mips-protos.h: Remove the prototypes for
2974         mips_setup_incoming_varargs and mips_return_in_memory.
2975         * config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
2976         (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
2977         (TARGET_PROMOTE_PROTOTYPES): Likewise.
2978         (TARGET_STRUCT_VALUE_RTX): Likewise.
2979         (TARGET_RETURN_IN_MEMORY): Likewise.
2980         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2981         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
2982         (mips_setup_incoming_varargs): Match the prototype for
2983         TARGET_SETUP_INCOMING_VARARGS.
2984         (mips_return_in_memory): Make it static.  Add argument fntype.
2985         (mips_strict_argument_naming): New.
2986         * config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
2987         (PROMOTE_FUNCTION_ARGS): Likewise.
2988         (PROMOTE_FUNCTION_RETURN): Likewise.
2989         (STRUCT_VALUE): Likewise.
2990         (RETURN_IN_MEMORY): Likewise.
2991         (SETUP_INCOMING_VARARGS): Likewise.
2992         (STRICT_ARGUMENT_NAMING): Likewise.
2993
2994 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
2995
2996         * config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
2997         (TARGET_RETURN_IN_MEMORY): Likewise.
2998         (TARGET_SETUP_INCOMING_VARARGS): Likewise.
2999         (ip2k_return_in_memory): Likewise.
3000         (ip2k_setup_incoming_varargs): Likewise.
3001         * config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
3002         (STRUCT_VALUE): Likewise.
3003         (STRUCT_VALUE_INCOMING): Likewise.
3004         (SETUP_INCOMING_VARARGS): Likewise.
3005
3006 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
3007
3008         * config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
3009         (TARGET_RETURN_IN_MEMORY): Likewise.
3010         (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
3011         (avr_return_in_memory): Remove.
3012         * config/avr/avr.h (RETURN_IN_MEMORY): Remove.
3013         (STRUCT_VALUE): Likewise.
3014         (STRUCT_VALUE_INCOMING): Likewise.
3015         (STRICT_ARGUMENT_NAMING): Likewise.
3016
3017 2004-01-25  Jan Hubicka  <jh@suse.cz>
3018
3019         * combine.c (recog_for_combine): Avoid allocating unnecesary RTX.
3020
3021 2004-01-25  Richard Sandiford  <rsandifo@redhat.com>
3022
3023         * config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
3024         (mips_regno_mode_ok_for_base_p): Declare.
3025         * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
3026         (FRAME_POINTER_REGNUM): Renumber to 78.
3027         (FIRST_PSEUDO_REGISTER): Update comment accordingly.
3028         (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
3029         (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
3030         (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
3031         (REG_MODE_OK_FOR_BASE_P): Likewise.
3032         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
3033         entry for 77 to "$arg" and entry for 78 to "$frame".
3034         (mips_regno_to_class): Map 77 and 78 to ALL_REGS.
3035         (mips_reg_mode_ok_for_base_p): Remove.
3036         (mips_regno_mode_ok_for_base_p): New function, derived from old
3037         BASE_REG_P macro.  Don't enforce the mips16 stack pointer
3038         restrictions unless we're being strict.
3039         (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.
3040
3041 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3042
3043         * c-common.h: Fix comment typos.
3044         * c-decl.c: Likewise.
3045         * cgraphunit.c: Likewise.
3046         * combine.c: Likewise.
3047         * et-forest.c: Likewise.
3048         * flow.c: Likewise.
3049         * function.c: Likewise.
3050         * ifcvt.c: Likewise.
3051         * integrate.c: Likewise.
3052         * jump.c: Likewise.
3053         * postreload.c: Likewise.
3054         * varray.c: Likewise.
3055
3056 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3057
3058         * doc/frontends.texi: Update copyright.
3059         * doc/gcov.texi: Likewise.
3060         * doc/gty.texi: Likewise.
3061         * doc/sourcebuild.texi: Likewise.
3062         * doc/standards.texi: Likewise.
3063
3064 2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>
3065
3066         PR target/12978
3067         * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
3068         Remove movstrqi_small because it conflicts with movstrqi_large.
3069
3070 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3071
3072         * config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
3073         (TARGET_STRUCT_VALUE_RTX): Likewise.
3074         (cris_struct_value_rtx): Likewise.
3075         * config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
3076         (CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
3077         STRUCT_VALUE_REGNUM.
3078         (STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.
3079
3080 2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>
3081
3082         PR bootstrap/13848
3083         * cse.c (cse_cc_succs): Change the mode of the source expression
3084         as soon as decide we need a new mode.  Don't permit changing modes
3085         if we found a match in a successor block.
3086         (cse_condition_code_reg): Save original mode of source expression
3087         so that we know whether we have to change the mode in other
3088         insns.
3089
3090 2004-01-24  Jan Hubicka  <jh@suse.cz>
3091
3092         * emit-rtl.c (change_address, adjust_address_1, offset_address,
3093         widen_memory_access):  Return early when there is nothing to change.
3094
3095 2004-01-24  Jakub Jelinek  <jakub@redhat.com>
3096
3097         * simplify-rtx.c (simplify_relational_operation): Don't
3098         simplify address == constant into address + -constant == 0.
3099
3100 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3101
3102         * gcc.c (process_command): Don't internationalize the
3103         Copyright message.
3104         * mips-tfile.c (main): Likewise.
3105
3106 2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>
3107
3108         * cse.c: (cse_cc_succs) Fix comparison warning.
3109
3110 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3111
3112         * config/h8300/h8300.md: Remove extraneous USE in expanders.
3113
3114 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3115
3116         * config/h8300/h8300-protos.h: Provide prototypes for
3117         h8300_legitimate_constant_p and h8300_legitimate_address_p.
3118         * config/h8300/h8300.c (h8300_legitimate_constant_p): New.
3119         (h8300_rtx_ok_for_base_p): Likewise.
3120         (h8300_legitimate_address_p): Likewise.
3121         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
3122         h8300_legitimate_constant_p.
3123         (RTX_OK_FOR_BASE_P): Remove.
3124         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.
3125
3126 2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3127
3128         * config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
3129         (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
3130         (REG_OK_FOR_INDEX_STRICT_P): Likewise.
3131         (REG_OK_FOR_BASE_STRICT_P): Likewise.
3132         (REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
3133         (REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
3134         (REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
3135         (REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.
3136
3137 2004-01-24  Jan Hubicka  <jh@suse.cz>
3138
3139         * cselib.c (remove_useless_values):  Do not access discarded values.
3140
3141 2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>
3142
3143         * c-typeck.c (build_conditional_expr): Do not allow non-lvalue
3144         arrays.
3145
3146 2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3147
3148         * recog.c: Fix a typo in copyright.
3149
3150 2004-01-23  Andrew Pinski  <apinski@apple.com>
3151
3152         * config/rs6000/rs6000.md (call): Fix misappiled patch.
3153         (call_value): Likewise.
3154
3155 2004-01-23  Richard Henderson  <rth@redhat.com>
3156
3157         PR opt/12941
3158         * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
3159         (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
3160         if SHIFT_COUNT_TRUNCATED is set.
3161
3162 2004-01-23  Bob Wilson  <bob.wilson@acm.org>
3163
3164         * config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
3165         separate real and imaginary parts.
3166         * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.
3167
3168 2004-01-23  Hartmut Penner <hpenner@de.ibm.com>
3169
3170         PR target/13674
3171         * config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
3172         loading into GPR.
3173
3174 2004-01-23  Jan Hubicka  <jh@suse.cz>
3175
3176         * emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
3177         change.
3178
3179         * alloc-pool.c (align_four): Kill.
3180         (create_alloc_pool): Align size to eight.
3181         (free_alloc_pool, free_pool): Invalidate deallocated data.
3182
3183 2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>
3184
3185         PR gcc/1532
3186         * cse.c (cse_change_cc_mode): New static function.
3187         (cse_change_cc_mode_insns, cse_cc_succs): Likewise.
3188         (cse_condition_code_reg): New function.
3189         * rtl.h (cse_condition_code_reg): Declare.
3190         * toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
3191         * target.h (struct gcc_target): Add fixed_condition_code_regs and
3192         cc_modes_compatible.
3193         * target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
3194         (TARGET_CC_MODES_COMPATIBLE): Define.
3195         (TARGET_INITIALIZER): Add new initializers.
3196         * targhooks.c (default_cc_modes_compatible): New function.
3197         * targhooks.c (default_cc_modes_compatible): Declare.
3198         * hooks.c (hook_bool_intp_intp_false): New function.
3199         * hooks.h (hook_bool_intp_intp_false): Declare.
3200         * config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
3201         (TARGET_CC_MODES_COMPATIBLE): Define.
3202         (ix86_fixed_condition_code_regs): New static function.
3203         (ix86_cc_modes_compatible): Likewise.
3204         * doc/tm.texi (Condition Code): Document new hooks.
3205
3206 2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3207
3208         * fixinc/inclhack.def (bad_lval): Renamed to ...
3209         (alpha_bad_lval): ... this.
3210         Removed file list.
3211         Restrict to alpha*-dec-osf*.
3212         * fixinc/fixincl.x: Regenerate.
3213         * fixinc/tests/base/dirent.h: Remove, moving test ...
3214         * fixinc/tests/base/testing.h: ... here, reflecting new name.
3215
3216 2004-01-23  Zack Weinberg  <zack@codesourcery.com>
3217
3218         PR c/13814
3219         * c-decl.c (diagnose_mismatched_decls): Also discard a
3220         built-in if we encounter an old-style definition with the
3221         same name.
3222
3223 2004-01-23  Jakub Jelinek  <jakub@redhat.com>
3224
3225         * config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
3226         set to default{32,64}.
3227
3228 2004-01-21  Jakub Jelinek  <jakub@redhat.com>
3229
3230         * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
3231         [!__powerpc64__]: Corrected to handle kernels with changed ucontext.
3232
3233 2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
3234             Olivier Hainque  <hainque@act-europe.fr>
3235
3236         * fold-const.c (fold_binary_op_with_conditional_arg): Only
3237         build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.
3238
3239 2004-01-23  Daniel Jacobowitz  <drow@mvista.com>
3240
3241         * config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
3242         size for minipool references.
3243
3244 2004-01-23  Roger Sayle  <roger@eyesopen.com>
3245
3246         * real.c (real_floor, real_ceil): Tweak to allow input and output
3247         arguments to overlap.
3248         (real_round): New function to implement round(3m) semantics.
3249         * real.h (real_round): Prototype here.
3250         * builtins.c (fold_builtin_round): New function to constant fold
3251         round, roundf and roundl.
3252         (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.
3253
3254 2004-01-23  Alexandre Oliva  <aoliva@redhat.com>
3255
3256         PR optimization/13819
3257         * config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
3258         introduced by 2004-01-20's Jan Hubicka's copy_insn change.
3259         (sh_handle_sp_switch_attribute): Remove warning.
3260
3261 2003-11-30  Jan Hubicka  <jh@suse.cz>
3262
3263         * i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.
3264
3265 2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>
3266
3267         * doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
3268         may or may not return non-NIL.
3269         * postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
3270         check CANNOT_CHANGE_MODE_CLASS
3271
3272 2004-01-23  Jan Hubicka  <jh@suse.cz>
3273
3274         * basic-block.h (PROP_POSTRELOAD): New macro.
3275         (CLEANUP_LOG_LINKS): New.
3276         * cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
3277         * toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.
3278
3279         * cselib.c (value_pool): New.
3280         (new_cselib_val): Use pool.
3281         (cselib_init): Initialize value_pool
3282         (cselib_finish): Free pool.
3283
3284 2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
3285
3286         * config/sparc/sparc.c (scan_record_type): New function.
3287         (function_arg_slotno): Use it to determine which kinds of
3288         registers the record can be passed in.
3289
3290 2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>
3291
3292         * config/pa/fptr.c: Fix old-style definition.
3293
3294 2004-01-22  Paolo Bonzini  <bonzini@gnu.org>
3295
3296         PR optimization/13724
3297         * cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
3298         represents the zero bits produced by a ZERO_EXTEND operation.
3299
3300 2004-01-22  Roger Sayle  <roger@eyesopen.com>
3301
3302         PR optimization/13821
3303         * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
3304         correctly calculate the lowpart offset of the contracted subreg.
3305
3306 2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>
3307
3308         * doc/invoke.texi (Optimize Options): Note that --param arguments
3309         are subject to change without notice.
3310
3311 2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3312
3313         * config.gcc (mips-sgi-irix6*o32): Removed.
3314         * config/mips/iris6-o32-as.h: Likewise.
3315         * config/mips/iris6-o32-gas.h: Likewise.
3316         * config/mips/iris6-o32.h: Likewise.
3317
3318 2004-01-22  Jan Hubicka  <jh@suse.cz>
3319
3320         * cfgcleanup.c (first_pass): New static variable.
3321         (try_forward_edges):  Add work limiting check for threading.
3322         (try_crossjump_bb):  Add work limiting check for crossjumping.
3323         (try_optimize_cfg):  Maintain first pass variable.
3324
3325 2004-01-22  Bob Wilson  <bob.wilson@acm.org>
3326
3327         * config/xtensa/xtensa.c (function_arg): Generalize logic so that it
3328         handles complex and vector modes.
3329
3330 2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3331
3332         * config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
3333         (REG_OK_FOR_BASE_P_STRICT): Likewise.
3334         (STRICT): Likewise.
3335
3336 2004-01-22  Daniel Jacobowitz  <drow@mvista.com>
3337
3338         * c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
3339         (genrtl_for_stmt): Remove emit_nop calls.
3340
3341 2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3342
3343         PR target/13713
3344         PR target/13324
3345         * pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
3346         movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
3347         clrstrdi_prereload, clrstrdi_postreload): Fix constraints.
3348
3349 2004-01-22  Daniel Jacobowitz  <drow@mvista.com>
3350
3351         * config/arm/arm.c: Include "debug.h".
3352         (thumb_pushpop): Take two new arguments.  Add some commentary.
3353         Output frame information when pushing.
3354         (thumb_exit, thumb_unexpanded_epilogue): Update calls to
3355         thumb_pushpop.
3356         (thumb_output_function_prologue): Likewise.  Accumulate a CFA
3357         offset, and pass it to thumb_pushpop.  Output CFI information.
3358         (thumb_expand_prologue): Add some frame-related markers and notes.
3359
3360 2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>
3361
3362         * config/s390/s390.c (s390_frame_info): Allow large frame sizes
3363         for TARGET_64BIT.
3364         (s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
3365         * config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.
3366
3367 2004-01-22  Roger Sayle  <roger@eyesopen.com>
3368             Paolo Bonzini  <bonzini@gnu.org>
3369
3370         * rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
3371         (subreg_lsb): Change to call new subreg_lsb_1 helper function.
3372         * rtl.h (subreg_lsb_1): Prototype here.
3373         * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
3374         sign extensions.
3375
3376 2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3377
3378         * doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
3379         macro need not be defined if jump-tables should contain
3380         relative addresses only when -fPIC or -fPIC is in effect.
3381
3382 2004-01-22  Jan Hubicka  <jh@suse.cz>
3383
3384         * alias.c (reg_base_value): Turn into varray.
3385         (reg_base_value_size): Kill.
3386         (old_reg_base_value): New deletable varray.
3387         (alias_invariant_size): New variable.
3388         (REG_BASE_VALUE): Update to use varray.
3389         (find_base_value): Likewise.
3390         (record_set): Likewise.
3391         (record_base_value): Likewise.
3392         (memrefs_conflict_p): Likewise.
3393         (record_set): Likewise
3394         (record_base_value): Likewise.
3395         (memrefs_conflict_p): Use alias_invariant_size.
3396         (init_alias_analysis): Use varray; set alias_invariant_size;
3397         rescale other arrays to be sized by maxreg.
3398         (end_alias_analysis): Save reg_base_value; clear alias_invariant_size.
3399
3400 2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3401
3402         * config/sparc/sparc.c (function_arg_slotno): Use
3403         FLOAT_TYPE_P to detect FP fields in structures.
3404         (function_arg_record_value_1): Likewise.
3405         (function_arg_record_value_2): Likewise.
3406
3407 2004-01-22  Jan Hubicka  <jh@suse.cz>
3408
3409         * function.c (allocate_struct_function): Do not initialize expr, emit
3410         and varasm.
3411         (prepare_function_start): Do it here.
3412         * c-parse.in (maybe_type_qual): Do not produce line number notes.
3413
3414 2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3415
3416         PR target/13559
3417         * config/sparc/sparc.c (function_arg_record_value_3): Revert
3418         to 'word_mode' once the first slot has been filled.
3419
3420 2004-01-22  Olivier Hainque  <hainque@act-europe.fr>
3421
3422         * config/sparc/sparc.c (function_arg_record_value_1): Fix
3423         computation of the number of integer registers required.
3424
3425 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3426
3427         * config/i386/i386.md: Simplify certain comparisons of
3428         const_int.
3429
3430 2004-01-21  Andrew Pinski  <apinski@apple.com>
3431
3432         PR target/13785
3433         * config/rs6000/rs6000.md (call_value): Force operand
3434         1 not operand 0 into a register.
3435
3436 2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3437
3438         * cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
3439         unwind-dw2-fde.h: Update copyright.
3440
3441 2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3442
3443         * pa-protos.h: Update copyright.
3444         * pa.h: Likewise.
3445         * pa.md: Likewise.
3446
3447 2004-01-21  Caroline Tice  <ctice@apple.com>
3448
3449         PR target/12308
3450         * config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
3451         flags register.