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* config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2
3         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
4         arguments for COND_EXPR in big-endian adjustment code.
5
6 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7
8         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
9         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
10         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
11         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
12
13 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
14
15         PR tree-optimization/16443
16         * tree-ssa-alias.c: Add more description for
17         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
18         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
19         clobbering of call-clobbered and addressable variables.  If
20         there are any before aliases have been computed, add them.
21
22 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
23
24         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
25         verification.
26
27 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
28
29         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
30         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
31         to the same type.
32
33 2004-07-13  Per Bothner  <per@bothner.com>
34
35         * collect2.c (main):  Handle --no-demangle and --demangle flags.
36
37 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
38
39         * Makefile.in (OBJS-common): Add tree-data-ref.o.
40         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
41         (tree-data-ref.o): New rule.
42         * lambda.h: New file.
43         * tree-data-ref.c: New file.
44         * tree-data-ref.h: New file.
45         * tree.c (int_cst_value, tree_fold_gcd): New functions.
46         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
47         
48 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
49
50         PR target/13926
51         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
52         * config/sparc/sparc.c (output_ubranch): New function.
53         * config/sparc/sparc.md (jump pattern): Use it.
54
55 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
56
57         PR target/16494
58         * config/sparc/sparc.c (output_cbranch): Properly guard
59         the code handling far branches with TARGET_V9.
60         * config/sparc/sparc.md (length attribute): Document the
61         side-effect of having a length greater or equal to 3.
62
63 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
64             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
65
66         PR target/15186
67         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
68         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
69
70 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
71             Martin Sebor  <sebor@roguewave.com>
72
73         PR target/12602
74         * doc/invoke.texi (SPARC options): Document -threads
75         and -pthreads on Solaris.
76
77 2004-07-13  Richard Henderson  <rth@redhat.com>
78
79         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
80         by reference.
81         (ind_gimplify_va_arg_expr): Remove.
82         * tree.h (ind_gimplify_va_arg_expr): Remove.
83         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
84         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
85         argsp to be null.
86
87         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
88         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
89         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
90         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
91         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
92
93 2004-07-13  Richard Henderson  <rth@redhat.com>
94
95         * function.c (pass_by_reference): New.
96         (assign_parm_find_data_types): Use it.
97         * calls.c (initialize_argument_information): Likewise.
98         (emit_library_call_value_1): Likewise.
99         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
100         * function.h (pass_by_reference): Declare.
101
102 2004-07-13  Richard Henderson  <rth@redhat.com>
103
104         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
105         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
106         * expr.h (MUST_PASS_IN_STACK): Remove.
107         * system.h (MUST_PASS_IN_STACK): Poison.
108         * tree.h (must_pass_in_stack_var_size): Declare.
109         (must_pass_in_stack_var_size_or_pad): Declare.
110         * calls.c (must_pass_in_stack_var_size): New.
111         (must_pass_in_stack_var_size_or_pad): Rename from 
112         default_must_pass_in_stack.
113         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
114         (TARGET_MUST_PASS_IN_STACK): New.
115         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
116         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
117         (TARGET_MUST_PASS_IN_STACK): New.
118         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
119         * config/frv/frv.c (frv_must_pass_in_stack): New.
120         (TARGET_MUST_PASS_IN_STACK): New.
121         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
122         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
123         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
124         (ix86_must_pass_in_stack): Make static.
125         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
126         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
127         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
128         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
129         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
130         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
131         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
132         (mcore_must_pass_on_stack): Remove.
133         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
134         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
135         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
136         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
137         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
138         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
139         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
140         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
141         (TARGET_MUST_PASS_IN_STACK): New.
142         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
143         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
144         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
145         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
146         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
147         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
148         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
149         MUST_PASS_IN_STACK.
150
151         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
152         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
153         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
154         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
155         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
156         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
157         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
158         config/xtensa/xtensa.c: Use target hook.
159
160 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
161
162         * configure.ac (gcc_cv_as_offsetable_lo10: Fix a typo.
163         * configure: Rebuilt.
164
165 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
166
167         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
168         * config/mips/mips.h (mips_reg_names): Don't declare.
169         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
170         (TARGET_NAME_REGS): Delete.
171         (TARGET_SWITCHES): Remove -mrnames.
172         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
173         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
174         in REGISTER_NAMES.
175         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
176         (override_options): Remove handling of TARGET_NAME_REGS.
177
178 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
179
180         * config/mips/mips.h (TARGET_*): Boolify.
181
182 2004-07-12  Nick Clifton  <nickc@redhat.com>
183
184         * config.gcc: Add sh-*-symbianelf target.
185         * config/sh/sh.c: Add new target macros:
186         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
187         TARGET_CXX_IMPORT_EXPORT_CLASS.
188         (sh_file_start): Create a definition of the .directive section.
189         (sh_attribute): Add dllimport and dllexport attributes.
190         * config/sh/symbian-pre.h: New file.
191         * config/sh/symbian-post.h: New file.
192         * config/sh/symbian.c: New file. Contains Symbian specific
193         functions.
194         * config/sh/sh-protos.h: Add prototypes for new functions
195         provided by symbian.c.
196         * config/sh/t-symbian: New file.
197         * doc/extend.texi: Document support for dllimport and dllexport
198         attributes by the sh-symbianelf target.
199
200 2004-07-12  James E Wilson  <wilson@specifixinc.com>
201
202         * Makefile.in (AR): Use @AR@ not ar.
203         (NM): New.
204         (AR_FOR_TARGET): Use $(AR) not ar for native.
205         (NM_FOR_TARGET): Use $(NM) not nm for native.
206         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
207         * configure: Regenerate.
208         
209 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
210
211         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
212         special case.
213         (ashldi3_sp64): Likewise.
214
215 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
216
217         PR target/16477
218         * pa.c (function_arg): Update comment.
219         * pa.h (BLOCK_REG_PADDING): Define.
220
221 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
222
223         PR tree-optimization/16461
224         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
225         arguments of phi nodes.
226
227 2004-07-12  Devang Patel  <dpatel@apple.com>
228
229         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
230         
231 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
232
233         * function.c (expand_function_start): Ensure r_save is in Pmode.
234         * calls.c (prepare_call_address): Ensure static_chain_value is
235         in Pmode.
236         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
237         r_save_area are in Pmode.
238         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
239         fnaddr, and static_chain are in Pmode.
240
241 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
242
243         PR target/16445
244         * config/ia64/ia64.c (bundling): Don't count ignored insns.
245
246 2004-07-12  Richard Henderson  <rth@redhat.com>
247
248         * target.h (struct gcc_target): Move gimplify_va_arg_expr
249         next to build_builtin_va_list.
250         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
251         * builtins.c (gimplify_va_arg_expr): Likewise.
252         * gimplify.c (copy_if_shared_r): Likewise.
253
254 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
255
256         * passes.c (rest_of_decl_compilation): Don't defer call of
257         assemble_variable if its DECL_RTL is already set.
258
259 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
260
261         * cfgloop.h (struct loop): Add nb_iterations field.
262         (current_loops): Declare.  
263         * tree-chrec.c (chrec_not_analyzed_yet,
264         chrec_dont_know, chrec_known, count_ev_in_wider_type,
265         chrec_contains_symbols_defined_in_loop): Remove the temporary
266         hooks. 
267         * tree-flow-inline.h (loop_containing_stmt): New function.
268         * tree-scalar-evolution.c: Add implementation.
269         * tree-scalar-evolution.h: Add declarations.
270
271 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
272
273         PR rtl-optimization/15921
274         * Makefile.in (global.o): Add recog.h.
275         
276         * global.c (recog.h): Add the include-clause.
277         (bb_info): New member earlyclobber.
278         (allocate_bb_info, free_bb_info): Initialize/finish the new
279         member.
280         (earlyclobber_regclass, earlyclobber_regclass_length): The new
281         global variables.
282         (check_earlyclobber, regclass_intersect,
283         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
284         New functions.
285         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
286         (make_accurate_live_analysis): Modify pavin.
287         
288 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
289
290         * tree-cfg.c (find_taken_edge): Statically compute the truth
291         value of a predicate comparing an SSA_NAME to itself.
292
293 2004-07-12  Roger Sayle  <roger@eyesopen.com>
294
295         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
296         rs6000 doesn't have shift-and-add or shift-and-sub instructions
297         by returning the cost of a multiplication plus an addition.
298
299 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
300
301         PR tree-optimization/14107
302         * gimplify.c (gimplify_return_expr): Accept a
303         RETURN_EXPR with an error argument.
304         * tree-optimize.c (init_tree_optimization_passes):
305         Run pass_warn_function_return at -O0.
306
307 2004-07-12  Roger Sayle  <roger@eyesopen.com>
308
309         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
310         index entry.
311
312 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
313
314         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
315         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
316         * config/mips/3000.md: Add copyright notice.  Remove automota and
317         function units; use generic ones instead.  Only define reservations
318         for things that are different from generic.md.  Extend each clause
319         to include r3900.
320         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
321         * config/mips/mips.md: Include them. Remove define_function_units.
322         (alu, imuldiv): New automata and units.
323
324 2004-07-12  Ben Elliston  <bje@au.ibm.com>
325
326         * doc/invoke.texi (Optimize Options): Document -frename-registers
327         not being enabled by default at -O3.
328
329 2004-07-11  Roger Sayle  <roger@eyesopen.com>
330
331         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
332         floating point additions, to keep real immediate constant positive.
333         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
334         into X + C, and leave positive real constants as X - C.
335
336 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
337
338         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
339
340 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
341
342         PR tree-optimization/15654
343         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
344
345 2004-07-11  Roger Sayle  <roger@eyesopen.com>
346
347         * builtins.c (fold_builtin_fputs): Don't bother converting the
348         return type to integer_type_node, as we've already checked that
349         the result will be ignored.
350
351         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
352         that signed addition, subtraction, multiplication, division,
353         remainder, negation and absolute value may potentially trap.
354
355         * fold-const.c (fold_ignored_result): New function to strip
356         non-side-effecting tree nodes from an expression whose result
357         is ignored.
358         (fold_convert): Call fold_ignored_result when casting a value
359         to VOID_TYPE.
360         (omit_one_operand):  Call fold_ignored_result on the "omitted"
361         operand when building a COMPOUND_EXPR.
362         (pedantic_omit_one_operand): Likewise.
363         * tree.h (fold_ignored_result): Prototype here.
364         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
365         when we're going to ignore the result.
366
367 2004-07-11  Richard Henderson  <rth@redhat.com>
368
369         PR tree-opt/16383
370         * tree-ssa-ccp.c (fold_stmt_r): Split out...
371         * tree.c (fields_compatible_p, find_compatible_field): ... new.
372         * tree.h (fields_compatible_p, find_compatible_field): Declare.
373         * tree-sra.c (sra_hash_tree): Hash fields by offset.
374         (sra_elt_eq): Use fields_compatible_p.
375         (generate_one_element_ref): Use find_compatible_field.
376
377 2004-07-11  Richard Henderson  <rth@redhat.com>
378
379         PR tree-opt/16422
380         * tree-sra.c (generate_one_element_init): New.
381         (generate_element_init): Use it.
382         (scalarize_init): Push/pop gimplify context around it.
383         (find_new_referenced_vars_1, find_new_referenced_vars): New.
384         * gimplify.c (gimplify_expr): Allow SSA_NAME.
385
386 2004-07-11  Roger Sayle  <roger@eyesopen.com>
387
388         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
389         combine.c's combine_insn_cost.
390         * rtl.h (insn_rtx_cost): Prototype here.
391         * combine.c (combine_insn_cost): Delete function.
392         (combine_validate_cost): Update callers of combine_insn_cost to
393         call insn_rtx_cost instead.
394         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
395         requesting the rtx_cost of call and/or jump instructions.
396
397         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
398         rtx_cost directly.  Don't request/use the cost of call or jump
399         instructions.  Return -1 if the cost of any instruction can't be
400         determined (or the BB contains a function call).
401         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
402         -1 (i.e. can't determine the cost of any instruction or the basic
403         block contains a subroutine call).
404         (find_if_case_2): Likewise.
405
406 2004-07-11  Roger Sayle  <roger@eyesopen.com>
407
408         * rs6000.c (struct processor_costs): Change semantics of fields to
409         include the COST_N_INSNS scaling, and update all initializers.
410         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
411         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
412         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
413         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
414
415 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
416
417         * LANGUAGES: Remove obsolete information.
418
419 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
420
421         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and 
422         SIGBUS signal frames, the PSW address points *to* the faulting
423         instruction, not after it.
424
425 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
426
427         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
428         added to TLS symbol addresses.
429
430 2004-07-11  Richard Henderson  <rth@redhat.com>
431
432         * expmed.c (init_expmed): Use stack-local structures for 
433         temporary rtl.  Don't recognize shifts.
434
435 2004-07-11  Richard Henderson  <rth@redhat.com>
436
437         * expr.c (store_expr): Don't fiddle subreg promotion for types
438         with precision smaller than the mode.
439
440 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
441
442         * tree.h (all_types_permanent): Remove.
443
444 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
445
446         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
447         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
448         * langhooks.c (lhd_clear_binding_stack): Remove.
449         * langhooks-def.h (lhd_clear_binding_stack,
450         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
451         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
452         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
453         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
454         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
455         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
456         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
457         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
458         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
459         * tree.h (poplevel): Don't declare.
460         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
461         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
462         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
463         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
464         Remove.
465
466 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
467
468         PR tree-optimization/16437
469         * c-common.c (shorten_compare): Don't mark result of conversion to
470         narrower signed type as overflowing.
471         * fold-const.c (decode_field_reference): Determine whether
472         signedness comes from outer type using precision rather than size.
473
474 2004-07-11  Phil Edwards  <phil@codesourcery.com>
475
476         * configure.ac:  Alphabetize --enable-checking list, add
477         missing valgrind entry.
478         * configure:  Regenerate.
479
480 2004-07-11  Phil Edwards  <phil@codesourcery.com>
481
482         * doc/install.texi (Testing):  Fix syntax in "make check" example.
483
484 2004-07-10  James E Wilson  <wilson@specifixinc.com>
485
486         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
487
488 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
489
490         PR rtl-optimization/16001
491         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
492         niter_expr.
493
494 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
495
496         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
497
498 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
499             James Morrison  <phython@gcc.gnu.org>
500
501         * doc/contrib.texi (Contributors): Add gfortran contributors and
502         fix a couple of typos.
503
504 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
505
506         PR rtl-optimization/15387
507         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
508         to incoming args space correctly.
509
510 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
511
512         * pa.c (output_indirect_call): Only use %r2 as the link register in
513         indirect calls with the long PA 2.0 pc-relative branch.
514
515 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
516
517         * config/i386/i386.c (override_options): Pick a 64-bit CPU
518         for the default tuning if TARGET_64BIT.
519
520 2004-07-10  Richard Henderson  <rth@redhat.com>
521
522         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
523         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
524
525 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
526
527         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
528         * expmed.c (store_bit_field, extract_bit_field): Remove last
529         argument.
530         * builtins.c (expand_builtin_signbit): Adjust callers.
531         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
532         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
533         * ifcvt.c (noce_emit_move_insn): Likewise.
534         * stmt.c (expand_return): Likewise.
535         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
536         store_field, expand_expr_real_1): Likewise.
537
538 2004-07-10  Richard Henderson  <rth@redhat.com>
539
540         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
541
542 2004-07-09  Mike Stump  <mrs@apple.com>
543
544         * config/darwin.c (no_dead_strip): Add.
545         (HAVE_DEAD_STRIP): Add.
546         (darwin_emit_unwind_label): Ensure that we don't dead code strip
547         the .eh label.
548
549 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
550
551         * tree-ssa-loop-im.c: New file.
552         * Makefile.in (tree-ssa-loop-im.o): Add.
553         * cfgloop.c (superloop_at_depth): New function.
554         * cfgloop.h (superloop_at_depth): Declare.
555         * common.opt (ftree-lim): New flag.
556         * expr.c (array_ref_up_bound): New function.
557         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
558         * timevar.def (TV_LIM): New timevar.
559         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
560         computing immediate uses of a phi node.
561         * tree-flow.h (struct tree_ann_common_d): Add aux field.
562         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
563         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
564         * tree-pass.h (pass_lim): Declare.
565         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
566         functions.
567         (pass_lim): New pass structure.
568         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
569         * tree.c (in_array_bounds_p): New function.
570         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
571         (in_array_bounds_p, array_ref_up_bound): Declare.
572         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
573         * doc/passes.texi (tree-ssa-loop-im.c): Document.
574
575 2004-07-09  Richard Henderson  <rth@redhat.com>
576
577         * builtins.c (expand_builtin_stpcpy): Don't modify len.
578
579         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
580         with prejudice.
581
582 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
583
584         * flags.h: Delete redundant prototypes that are being generated
585         in options.h from common.opt.
586         * common.opt: Add in the expository comments formerly in flags.h.
587
588 2004-07-09  Jan Beulich  <jbeulich@novell.com>
589
590         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
591         available for use only when TARGET_MMX/_SSE is set, and check for
592         variable argument function if any register count is non-zero.
593         (function_arg): Correctly suppress repeated warnings for passing SSE
594         vectors are arguments without SSE enabled.
595         (ix86_function_arg_boundary): Without SSE enabled, the use of what
596         would be SSE register modes does no longer influence the alignment.
597
598 2004-07-09  Richard Henderson  <rth@redhat.com>
599
600         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
601         Always align upward to arg boundary.  Use size_in_bytes/round_up.
602         Maintain type-correctness of constants.
603         * stor-layout.c (round_up, round_down): Special-case powers of 2.
604
605 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
606
607         * config/sparc/sparc.c (*_costs): Scale instruction costs
608         by COSTS_N_INSNS.
609         (sparc_rtx_costs): Adjust as appropriate.
610
611 2004-07-09  Jan Beulich  <jbeulich@novell.com>
612
613         * config/i386/mm3dnow.h: New.
614         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
615
616 2004-07-09  Richard Henderson  <rth@redhat.com>
617
618         * simplify-rtx.c (simplify_const_relational_operation): Only
619         look at bounds of scalar integers.
620
621 2004-07-09  Jan Beulich  <jbeulich@novell.com>
622
623         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
624
625 2004-07-09  Andrew Pinski  <apinski@apple.com>
626
627         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
628         always referenced.
629         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
630         UOBJC_METACLASS_decl.
631
632 2004-07-09  James E Wilson  <wilson@specifixinc.com>
633
634         PR target/16364
635         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
636         do return a parallel if hfa_mode == XFmode and mode == TImode.
637
638 2004-07-09  Jan Beulich  <jbeulich@novell.com>
639
640         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
641         permissible for unary plus.
642
643 2004-07-09  Jan Beulich  <jbeulich@novell.com>
644
645         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
646         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
647         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
648         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
649         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
650         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
651         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
652         (BUILTIN_xxxIMAX): New.
653         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
654         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
655         BUILT_IN_PARITYIMAX.
656
657 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
658
659         * config/sparc/sparc.h (processor_costs): Define.
660         (sparc_costs): Declare.
661         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
662         hypersparc_costs, sparclet_costs, ultrasparc_costs,
663         ultrasparc3_costs): New.
664         (sparc_override_options): Set sparc_costs as appropriate.
665         (sparc_rtx_costs): Use sparc_costs instead of messy
666         conditionals.
667         
668 2004-07-09  Steven Bosscher  <stevenb@suse.de>
669
670         * doc/md.texi (Processor pipeline description): Mention that
671         the old pipeline description is deprecated.
672
673         * config/rs6000/7450.md (automaton ppc7450): Split up, move
674         mciu_7450 function unit to...
675         (automaton ppc7450mciu): ...new automaton.
676
677         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
678         (schedule_block): Don't consider inserting bubbles.
679         (sched_init): Don't initialize DFA bubbles.
680         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
681         TARGET_SCHED_DFA_BUBBLE): Remove.
682         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
683         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
684         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
685
686         * stmt.c (conditional_context): Remove prototype.
687         * tree.h (conditional_context): Remove.
688         * tree-cfg.c (pre_insert_on_edge): Remove.
689
690         * c-common.h (c_expand_asm_operands): Remove prototype.
691         * c-typeck.c (c_expand_asm_operands): Remove.
692
693 2004-07-09  Jan Beulich  <jbeulich@novell.com>
694
695         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
696         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
697         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
698         and V8QI are class SSE. All sufficiently small remaining vector modes
699         must be passed in one or two integer registers.
700         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
701         returned in memory.
702         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
703         __builtin_ia32_pmuludq128 have non-uniform argument and return types
704         and must thus be handled explicitly.
705         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
706         MMX and XMM regs.
707         (movv8qi_internal, movv4hi_internal, movv2si_internal,
708         movv2sf_internal): Permit moving between MMX and XMM registers (since
709         MMX areguments and return values are passed in XMM registers).
710         (sse2_umulsidi3): Correct type and mode.
711
712 2004-07-09  Richard Henderson  <rth@redhat.com>
713
714         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
715
716 2004-07-09  Eric Christopher  <echristo@redhat.com>
717
718         * config/rs6000/40x.md: Split into two automatons.
719
720 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
721             Andrew Pinski  <apinski@apple.com>
722
723         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
724         on when we have more than one input file.
725         (c_common_parse_file): Restore loop over all input files.
726         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
727
728         * c-decl.c (set_type_context): New function.
729         (pop_scope): Use it to set context of types.  When we
730         encounter a TYPE_DECL, set the context of the attached type too.
731         (pop_file_scope): Don't call cpp_undef_all here.
732         (diagnose_mismatched_decls): Do not complain about a second
733         definition of an 'extern inline' function if it's not in the
734         same translation unit.  Do not complain about inline
735         declaration after use if the use was in a different
736         translation unit.
737         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
738         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
739         the external scope.
740         (pushdecl_top_level): Likewise.
741         (grokdeclarator): Clarify what is going on with setting
742         DECL_EXTERNAL on function types, a little.
743         (c_write_global_declarations): Don't do anything if
744         -fsyntax-only or errors have been encountered.
745
746 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
747
748         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
749
750 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
751
752         PR target/16459
753         * pa.c (output_indirect_call): Use %r2 as the link register when
754         calling $$dyncall with a pc-relative branch.
755
756 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
757
758         * doc/install.texi (Binaries): Mention OpenPKG.
759
760 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
761
762         Fix PR tree-optimization/15555
763         * tree-dfa.c (dump_variable): If the variable is a pointer
764         SSA_NAME, also dump its points-to information.
765         * tree-flow.h (struct ptr_info_def): Add field
766         is_dereferenced.
767         (dump_points_to_info_for): Declare.
768         (debug_points_to_info_for): Declare.
769         * tree-optimize.c (init_tree_optimization_passes): Add a
770         second alias analysis pass after DOM2.
771         Move pass_del_pta to a later spot.
772         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
773         create a name tags when we find a dereferenced pointer.  Just
774         mark the pointer dereferenced.
775         (collect_points_to_info_for): Move code to clear points-to
776         information to create_name_tags.
777         (create_name_tags): New function.
778         (compute_flow_sensitive_aliasing): Call it.
779         (setup_pointers_and_addressables): Mark type tags for renaming
780         here instead of ...
781         (create_memory_tag): ... here.
782         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
783         (dump_points_to_info_for): Declare extern.
784         (debug_points_to_info_for): New function.
785
786 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
787
788         * config/arc/arc.md: Switch to DFA-based scheduler description.
789         * config/arc/arc.c: Switch to DFA-based scheduler description.
790
791 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
792
793         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
794         pointer.
795
796 2004-07-09  Richard Henderson  <rth@redhat.com>
797
798         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
799         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
800         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
801         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
802
803         * config/v850/v850-protos.h (v850_va_arg): Remove.
804         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
805         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
806         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
807         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
808         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
809
810 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
811
812         PR target/12133
813         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
814         and DImode to use +/-4k offset.
815
816 2004-07-09  Richard Henderson  <rth@redhat.com>
817
818         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
819         Remove.
820         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
821         (xstormy16_gimplify_va_arg_expr): Rewrite from
822         xstormy16_expand_builtin_va_arg.
823         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
824
825         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
826         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
827
828         * config/sh/sh-protos.h (sh_va_arg): Remove.
829         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
830         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
831         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
832
833         * config/pa/pa-protos.h (hppa_va_arg): Remove.
834         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
835         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
836         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
837
838         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
839         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
840         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
841         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
842
843 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
844
845         * config/sparc/sparc.md (return): Rewrite length formula.
846         * config/sparc/sparc.c (output_return): Pass 1 as 5th
847         argument to final_scan_insn when in a delay slot.
848         (output_sibcall): Likewise.
849
850 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
851
852         * arm.c (arm_cpp_interwork): New variable.
853         (arm_override_options): Set it if TARGET_INTERWORK was on the command
854         line.
855         * arm.h (arm_cpp_interwork): Declare it.
856         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
857         __THUMB_INTERWORK__ in the preprocessor.
858
859 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
860
861         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
862
863 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
864
865         PR target/16416
866         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
867         Override default settings to account for -m32 and -m64.
868
869 2004-07-08  Randolph Chung  <tausq@debian.org>
870
871         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
872
873 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
874
875         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
876         before comparing it as such.
877
878 2004-07-08  Richard Henderson  <rth@redhat.com>
879
880         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
881         temporary.  Use bit arithmetic to align.
882
883 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
884
885         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
886         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
887         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
888         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
889         add_labels_and_missing_jumps, find_jump_block,
890         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
891         Likewise.
892         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
893         link_btr_uses, move_btr_def): Likewise.
894         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
895         expand_builtin_expect_jump): Likewise.
896         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
897         * calls.c (expand_call, emit_library_call_value_1): Likewise.
898         * cfganal.c (forwarder_block_p): Likewise.
899         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
900         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
901         find_bb_boundaries): Likewise.
902         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
903         merge_blocks_move_predecessor_nojumps,
904         merge_blocks_move_successor_nojumps, insns_match_p,
905         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
906         try_optimize_cfg): Likewise.
907         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
908         * cfglayout.c (skip_insns_after_block, label_for_bb,
909         record_effective_endpoints, insn_locators_initialize,
910         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
911         * cfgmainloop.c (create_loop_notes): Likewise.
912         * cfgrtl.c (delete_insn, delete_insn_chain,
913         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
914         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
915         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
916         redirect_branch_edge, force_nonfallthru_and_redirect,
917         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
918         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
919         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
920         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
921         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
922         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
923         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
924         * combine.c (combine_instructions, can_combine_p, try_combine,
925         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
926         distribute_notes, distribute_links, insn_cuid): Likewise.
927         * cse.c (fold_rtx, cse_insn, cse_around_loop,
928         invalidate_skipped_block, cse_set_around_loop,
929         cse_end_of_basic_block, cse_main, cse_basic_block,
930         cse_condition_code_reg): Likewise.
931         * cselib.c (cselib_process_insn): Likewise.
932         * ddg.c (create_ddg): Likewise.
933         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
934         Likewise.
935         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
936         gen_label_die, dwarf2out_var_location): Likewise.
937         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
938         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
939         last_call_insn, active_insn_p, next_label, prev_label,
940         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
941         add_insn_before, remove_insn, add_function_usage_to,
942         reorder_insns, find_line_note, remove_unnecessary_notes,
943         emit_insn_after_1, classify_insn): Likewise.
944         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
945         connect_post_landing_pads, sjlj_mark_call_sites,
946         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
947         can_throw_internal, can_throw_external, set_nothrow_function_flags,
948         convert_to_eh_region_ranges): Likewise.
949         * explow.c (optimize_save_area_alloca): Likewise.
950         * expr.c (expand_expr_real): Likewise.
951         * final.c (insn_current_reference_address, compute_alignments,
952         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
953         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
954         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
955         propagate_block_delete_insn, propagate_one_insn,
956         init_propagate_block_info, propagate_block, libcall_dead_p,
957         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
958         Likewise.
959         * function.c (instantiate_virtual_regs, reorder_blocks_1,
960         expand_function_start, expand_function_end, contains,
961         thread_prologue_and_epilogue_insns,
962         reposition_prologue_and_epilogue_notes): Likewise.
963         * gcse.c (constprop_register, bypass_conditional_jumps,
964         insert_insn_end_bb, gcse_after_reload): Likewise.
965         * genemit.c (gen_expand, gen_split): Likewise.
966         * genpeep.c (gen_peephole, main): Likewise.
967         * global.c (build_insn_chain): Likewise.
968         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
969         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
970         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
971         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
972         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
973         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
974         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
975         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
976         dead_or_predicable): Likewise.
977         * integrate.c (try_constants): Likewise.
978         * jump.c (rebuild_jump_labels, cleanup_barriers,
979         purge_line_number_notes, init_label_info, mark_all_labels,
980         squeeze_notes, get_label_before, get_label_after,
981         reversed_comparison_code_parts, simplejump_p, pc_set,
982         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
983         delete_barrier, delete_prior_computation, delete_computation,
984         delete_related_insns, delete_for_peephole, redirect_jump):
985         Likewise.
986         * lcm.c (optimize_mode_switching): Likewise.
987         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
988         Likewise.
989         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
990         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
991         * loop-iv.c (simplify_using_assignment): Likewise.
992         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
993         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
994         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
995         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
996         check_insn_for_givs, check_final_value, update_giv_derive,
997         basic_induction_var, product_cheap_p, check_dbra_loop,
998         loop_insn_first_p, last_use_this_basic_block,
999         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1000         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1001         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1002         sms_schedule_by_order): Likewise.
1003         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1004         * postreload.c (reload_cse_simplify_operands, reload_combine,
1005         reload_cse_move2add): Likewise.
1006         * predict.c (can_predict_insn_p, estimate_probability,
1007         expected_value_to_br_prob, process_note_predictions): Likewise.
1008         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1009         * profile.c (branch_prob): Likewise.
1010         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1011         detect_webs_set_in_cond_jump): Likewise.
1012         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1013         ra_print_rtl_with_bb): Likewise.
1014         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1015         * recog.c (next_insn_tests_no_inequality, find_single_use,
1016         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1017         * reg-stack.c (next_flags_user, record_label_references,
1018         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1019         compensate_edge, convert_regs_1): Likewise.
1020         * regclass.c (scan_one_insn): Likewise.
1021         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1022         regmove_optimize, fixup_match_1, single_set_for_csa,
1023         combine_stack_adjustments_for_block): Likewise.
1024         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1025         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1026         find_equiv_reg): Likewise.
1027         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1028         reload_as_needed, emit_input_reload_insns, do_output_reload,
1029         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1030         Likewise.
1031         * reorg.c (find_end_label, emit_delay_sequence,
1032         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1033         get_jump_flags, rare_destination, mostly_true_jump,
1034         try_merge_delay_insns, redundant_insn, own_thread_p,
1035         fill_simple_delay_slots, fill_slots_from_thread,
1036         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1037         dbr_schedule): Likewise.
1038         * resource.c (find_basic_block, next_insn_no_annul,
1039         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1040         * rtl.h (RTX_PREV): Likewise.
1041         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1042         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1043         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1044         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1045         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1046         find_first_parameter_load, can_hoist_insn_p): Likewise.
1047         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1048         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1049         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1050         schedule_ebbs): Likewise.
1051         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1052         is_conditionally_protected, can_schedule_ready_p,
1053         add_branch_dependences, debug_dependencies): Likewise.
1054         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1055         Likewise.
1056         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1057         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1058         set_dominates_use, ujump_to_loop_cont): Likewise.
1059         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1060         * varasm.c (output_constant_pool_1): Likewise.
1061
1062 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1063
1064         * tree-scalar-evolution.c: New file.
1065         * tree-scalar-evolution.h: New file.
1066         * tree-ssa-loop-niter.c: New file.
1067         * Makefile.in (SCEV_H): New.
1068         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1069         * cfgloop.h (struct loop): Add bounds field.
1070         * tree-flow.h (struct tree_niter_desc): New type.
1071         (number_of_iterations_cond, number_of_iterations_exit,
1072         loop_niter_by_eval, find_loop_niter_by_eval,
1073         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1074         free_numbers_of_iterations_estimates): Declare.
1075         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1076         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1077         * doc/invoke.texi (max-iterations-to-track): Document.
1078
1079 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1080
1081         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1082         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1083         (MODE_AFTER): Add cast appropriately.
1084         * config/sh/sh.md (movdi splitter): Likewise.
1085         (casesi_worker_2): Add const qualifier appropriately.
1086         (eh_return): Remove unused variable.
1087         (insv): Initialize v;
1088
1089 2004-07-08  Richard Henderson  <rth@redhat.com>
1090
1091         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1092         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1093         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1094         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1095         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1096
1097         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1098         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1099         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1100         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1101
1102         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1103         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1104         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1105         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1106
1107         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1108         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1109         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1110         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1111
1112         * config/i860/i860-protos.h (i860_va_arg): Remove.
1113         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1114         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1115         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1116
1117 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1118
1119         * system.h: Prototype getpagesize if missing.
1120         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1121         * configure: Regenerate.
1122         * config.in: Regenerate.
1123
1124 2004-07-08  Richard Henderson  <rth@redhat.com>
1125
1126         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1127         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1128         (fr30_gimplify_va_arg_expr): New.
1129         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1130         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1131
1132 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1133
1134         PR target/16414
1135         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1136         of asm_noperands result.
1137
1138 2004-07-08  Richard Henderson  <rth@redhat.com>
1139
1140         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1141         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1142         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1143         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1144
1145 2004-07-08  Richard Henderson  <rth@redhat.com>
1146
1147         * builtins.c (ind_gimplify_va_arg_expr): New.
1148         * tree.h (ind_gimplify_va_arg_expr): Declare.
1149         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1150
1151 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1152
1153         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1154         patterns also on vector elements other than the first one.
1155         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1156         break statements.
1157
1158 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1159
1160         * config/rs6000/darwin-ldouble.c: Correct reference
1161         to the Linnainmaa paper.
1162
1163 2004-07-08  Richard Henderson  <rth@redhat.com>
1164
1165         * config/arc/arc-protos.h (arc_va_arg): Remove.
1166         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1167         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1168         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1169
1170         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1171         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1172         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1173         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1174
1175 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1176
1177         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1178
1179 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1180
1181         * c-decl.c (static_ctors, static_dtors): Make static.
1182         (pop_file_scope): Call c_common_write_pch and
1183         cgraph_finalize_compilation_unit here.
1184         (build_cdtor): Moved here from c-objc-common.c; simplify.
1185         (c_write_global_declarations_1): Clarify comment.
1186         (c_write_global_declarations): Close the external scope before
1187         doing anything else.  Call build_cdtor, cgraph_optimize, and
1188         mudflap_finish_file here.
1189         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1190         Clarify comment.
1191         * c-objc-common.c: No need to include cgraph.h.
1192         (build_cdtor): Moved to c-decl.c.
1193         (c_objc_common_finish_file): Delete.
1194         * c-tree.h: Update to match.
1195         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1196         (generate_static_references): Set TREE_USED before calling finish_decl.
1197         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1198         on the static_instances_decl.
1199
1200 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1201
1202         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1203         decls when there is only one input translation unit.
1204         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1205         change of 2004-07-05; do not treat declarations with
1206         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1207         * opts.c (cur_in_fname): Delete.
1208         * opts.h: Likewise.
1209         * tree.c: Revert changes of 2004-07-05; no special treatment
1210         for TRANSLATION_UNIT_DECLs.
1211         * Makefile.in (tree.o): Update dependencies.
1212
1213 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1214
1215         * builtins.c (fold_builtin_strcpy): Merge functionality from
1216         simplify_builtin_strcpy.  Add additional len argument.  No longer
1217         static.  Remove function prototype.
1218         (fold_builtin_strncpy): Likewise integrate functionality from
1219         simplify_builtin_strncpy.  Add additional slen argument.  No
1220         longer static.  Remove function prototype.
1221         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1222         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1223         types of "ignore" and "unlocked" parameters to bool.
1224         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1225         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1226         builtins.  Update arguments to fold_builtin_strncpy and
1227         fold_builtin_strcpy.  Add function prototype.
1228         (fold_builtin): Add additional Boolean ignore argument to pass
1229         to fold_builtin_1.
1230         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1231         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1232         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1233
1234         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1235         simplify_builtin_strncpy): Delete function prototypes.
1236         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1237         fold_builtin_strncpy): Add function prototypes here.
1238         (fold_builtin): Update function prototype with new "bool ignore".
1239
1240         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1241         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1242         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1243         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1244         simplify_builtin_strncpy respectively.
1245         * fold-const.c (fold): Update call to fold_builtin.
1246
1247 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1248
1249         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1250         to strcpy.
1251
1252         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1253         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1254         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1255         * calls.c: Remove ifdefs of macros above.
1256         * functions.c: Likewise.
1257         * expr.c: Likewise.
1258
1259 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1260
1261         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1262         (arch attribute): Delete.
1263         (current_function_calls_alloca attribute): Rename into calls_alloca.
1264         (calls_eh_return): New attribute.
1265         (leaf_function): Likewise.
1266         (length attribute): Fix formula for sibcalls.
1267         (return insn): Correctly compute the 'length' attribute.
1268         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1269
1270 2004-07-08  Richard Henderson  <rth@redhat.com>
1271
1272         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1273         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1274         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1275         * tree-eh.c (lower_eh_constructs_1): Likewise.
1276         * tree-sra.c (sra_walk_modify_expr): Likewise.
1277         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1278         (eliminate_unnecessary_stmts): Likewise.
1279         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1280         * tree-tailcall.c (optimize_tail_call): Likewise.
1281         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1282
1283 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1284             Jakub Jelinek  <jakub@redhat.com>
1285
1286         * config/i386/i386.c (override_options): Enable
1287         SSE prefetches with -mtune, as long as we are
1288         compiling for i686 or higher.  All i686 processors
1289         accept SSE prefetches as NOPS, some i586's don't.
1290
1291 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1292
1293         PR target/10567
1294         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
1295
1296 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1297
1298         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
1299         the handling of clobbering ASM_EXPRs.
1300
1301 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1302
1303         PR target/16430
1304         * config/sparc/sparc.c (function_value): In 64-bit mode,
1305         return the aggregates larger than 16 bytes like unions.
1306
1307 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1308
1309         PR target/16199
1310         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
1311         'temp' is zero, generate new pseudos as needed and emit the
1312         sequence of insns in single-assignment form.  Resync comments
1313         with code.
1314         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
1315         function before reload.
1316
1317 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
1318
1319         * vec.c (vec_assert_fail): Remove duplicate 'function'.
1320
1321         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
1322
1323         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
1324         Allocation is signed.
1325         (VEC_reserve): Return flag, allocation is signed.
1326
1327 2004-07-08  Richard Henderson  <rth@redhat.com>
1328
1329         * tree-ssa-ccp.c (fold_stmt): Get type directly from
1330         OBJ_TYPE_REF_OBJECT.
1331
1332 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1333             Neil Booth  <neil@daikokuya.co.uk>
1334
1335         PR c/2511
1336         PR c/3325
1337         * c-decl.c (finish_struct): Ensure bit-fields are given the
1338         correct type.
1339         * c-common.c (c_common_signed_or_unsigned_type): For C, require
1340         the precision to match as well as the mode.
1341         * expr.c (reduce_to_bit_field_precision): New function.
1342         (expand_expr_real_1): Reduce expressions of bit-field type to
1343         proper precision.
1344         * langhooks.h (reduce_bit_field_operations): New hook.
1345         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1346         Define.
1347         * c-lang.c, objc/objc-lang.c
1348         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
1349         * objc/objc-act.c (check_ivars): Convert types to bit-field types
1350         before checking.
1351         * tree.c (build_nonstandard_integer_type): New function.
1352         * tree.h (build_nonstandard_integer_type): New prototype.
1353         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
1354         conversions between integer and boolean types as useless.
1355
1356 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1357
1358         * c-common.c (c_common_nodes_and_builtins): Do not
1359         create __builtin_ptrdiff_t and __builtin_size_t.
1360
1361 2004-07-08  Andrew Pinski  <apinski@apple.com>
1362
1363         * Makefile.in (libbackend.o): Add -combine to the gcc
1364         command line.
1365
1366 2004-07-08  Nick Clifton  <nickc@redhat.com>
1367
1368         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
1369         Set to -Os.
1370
1371 2004-07-08  Richard Henderson  <rth@redhat.com>
1372
1373         * except.c (expand_eh_region_start, expand_eh_region_end,
1374         expand_eh_handler, expand_eh_region_end_cleanup,
1375         expand_start_all_catch, expand_start_catch, expand_end_catch,
1376         expand_end_all_catch, expand_eh_region_end_allowed,
1377         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
1378         expand_eh_region_end_fixup): Remove.
1379         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
1380         cleanups, outer_cleanups, label_chain, exception_region.
1381         (struct goto_fixup): Remove stack_level, cleanup_list_list.
1382         (struct label_chain): Remove.
1383         (struct stmt_status): Remove x_stack_block_stack.
1384         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
1385         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
1386         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
1387         end_cleanup_deferral, last_cleanup_this_contour,
1388         containing_blocks_have_cleanups_or_stack_level,
1389         any_pending_cleanups): Remove.
1390         (expand_null_return_1): Take no arguments.
1391         (expand_label, expand_naked_return, expand_return,
1392         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
1393         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
1394         expand_end_case_type): Don't use any of them.
1395         * calls.c (expand_call): Likewise.
1396         * dojump.c (do_jump): Likewise.
1397         * function.c (expand_function_end): Likewise.
1398         * expr.c (store_expr, expand_expr_real_1): Likewise.
1399         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
1400         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
1401         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
1402         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
1403         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
1404         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
1405         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
1406         for WITH_CLEANUP_EXPR.
1407         (gimple_push_cleanup): Likewise.
1408         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
1409         * print-tree.c (print_node): Likewise.
1410         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
1411         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
1412         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
1413         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
1414         (GOTO_SUBROUTINE_EXPR): Remove.
1415         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
1416         (DECL_TOO_LATE): Remove.
1417         * except.h, tree.h: Update decls.
1418
1419 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1420
1421         * explow.c (optimize_save_area_alloca): Do not accept parameters.
1422         * passes.c (rest_of_handle_final): Handle symout.
1423         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
1424         Push timevar here.
1425         (rest_of_handle_sched): Break out SMS.  Remove ifs for
1426         flag_schedule_insns and flag_modulo_sched.
1427         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
1428         collect at the end.
1429         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
1430         (rest_of_handle_partition_blocks, rest_of_handle_sms,
1431         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
1432         rest_of_handle_mode_switching, rest_of_handle_jump,
1433         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
1434         rest_of_handle_jump2, rest_of_handle_postreload,
1435         rest_of_handle_flow2, rest_of_clean_state,
1436         rest_of_handle_shorten_branches,
1437         rest_of_handle_prologue_epilogue,
1438         rest_of_handle_branch_target_load_optimize): New.
1439         (rest_of_compilation): Call the above.  Remove ggc_collect
1440         calls moved to rest_of_handle_*.
1441         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
1442
1443         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
1444         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
1445         * except.h (set_nothrow_function_flags): Update comment.
1446         * function.c (current_function_nothrow): Remove.
1447         * output.h (current_function_nothrow): Remove.
1448         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
1449         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
1450
1451 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1452
1453         PR bootstrap/16326
1454         * reorg.c: Revert 2004-06-30 change.
1455         (find_end_label): If HAVE_epilogue and !HAVE_return,
1456         return 0 instead of creating a label at the end of the insn chain.
1457         (optimize_skip): Account for the failure mode of find_end_label.
1458         (fill_simple_delay_slots): Likewise.
1459         (fill_slots_from_thread): Likewise.
1460         (relax_delay_slots): Likewise.
1461
1462 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
1463
1464         * tree-flow.h (addressable_vars): Declare.
1465         * tree-ssa-alias.c (addressable_vars): Define.
1466         (setup_pointers_and_addressables): Add addressable variables
1467         to addressable_vars.
1468         * tree-ssa-operands.c (get_stmt_operands): Move
1469         handling of ASM_EXPRs ...
1470         (get_asm_expr_operands): ... here.
1471         When the ASM_EXPR clobbers memory, also clobber addressable
1472         variables.
1473         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
1474         (delete_tree_ssa): Reset addressable_vars.
1475
1476 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1477             Richard Henderson  <rth@redhat.com>
1478
1479         * varasm.c (assemble_variable): Use assemble_zeros for
1480         zero-initialized variables.
1481         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
1482         for SECCAT_BSS and SECCAT_TBSS.
1483
1484 2004-07-07  Jan Beulich  <jbeulich@novell.com>
1485
1486         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
1487
1488         * expmed.c (emit_store_flag): Also special-case double-word
1489         (in-)equality comparison against -1.
1490
1491         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
1492         passing arguments the containers for which are registers.
1493
1494         * calls.c (emit_library_call_value_1): Use mode of function parameter
1495         rather than that of argument since constants have none.
1496
1497 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1498
1499         Introduce H8SX support.
1500         * expr.c (expand_strcpy): Renamed and moved to...
1501         * builtins.c (expand_movstr): ... here.  Tweak.
1502         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
1503         computed or has side effects.
1504         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
1505         unused, or if mempcpy fails.  Adjust the return value in the
1506         latter case.  Use movstr if everything else fails.
1507         * doc/md.texi (movstr): Document.
1508         (movmemM, clrmemM): Fix explanation of memory block operands.
1509         * config/h8300/h8300.md (stpcpy): Renamed to...
1510         (movstr): ... this.  Adjust.
1511         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1512         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
1513         movmem* and clrstr* to clrmem*.
1514         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
1515         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
1516         GENERAL_REGS, always.
1517         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
1518         getting the stack pointer as addr.
1519         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
1520         from general_operand_dst.
1521         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
1522         variant of...
1523         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
1524         instead of requiring it to match only before reload.
1525         (stpcpy_internal_normal): New, normal-mode variant of...
1526         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
1527         `D' instead of requiring it to match only before reload.
1528         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
1529         mode argument.
1530         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
1531         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
1532         h8300_get_index.
1533         * config/h8300/h8300.md (attr type): Add call.
1534         (attr can_delay): If type is call, set it no.
1535         (call, call_value): Set type to call.
1536         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
1537         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
1538         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
1539         * tree.c (get_narrower): Don't narrow integral types into
1540         non-integral types.
1541         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
1542         frame_size *before* the first use.
1543         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
1544         on input.
1545         (peephole2): Don't widen instructions that push SP.  Move
1546         decrement of SP to the end of all stm-generating peepholes.
1547         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1548         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
1549         and OR to set it to all ones.
1550         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
1551         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
1552         (call, call_value): Set can_delay to "no".
1553         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
1554         * config/h8300/h8300.md (extzv): Make subreg check more robust.
1555         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1556         * config/h8300/h8300.md (*brabit): Remove.
1557         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
1558         zero_extract.  Use bit_memory_operand as the predicate for
1559         operand 1 and 'WU' as the constraint.  Check the difference
1560         between the base length and the final one when deciding which
1561         type of branch to use.
1562         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1563         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
1564         Use convert_move to extend the result for TARGET_H8300SX.  Check
1565         for QImode memory references.  Optimize the case where the
1566         destination is a paradoxical subreg.
1567         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1568         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
1569         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
1570         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
1571         * config/h8300/h8300.md: Include mova.md
1572         (length_table): Add mova and mova_zero.
1573         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
1574         after all constant addresses for '%R', '%X', '%T' and '%S'.
1575         (h8300_mova_length): New function.
1576         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
1577         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
1578         dependencies for s-config, etc.
1579         * config/h8300/gemova.sh: New file.
1580         * config/h8300/mova.md: Generated.
1581         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
1582         * config/h8300/h8300.c (h8300_bitfield_length): New.
1583         (nibble_operand): Adjust.
1584         (h8300_binary_length): Handle conditional binary op.
1585         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
1586         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
1587         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
1588         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
1589         constraints.  WU is introduced as a variant of U that requires a
1590         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
1591         * config/h8300/h8300.md (attr type): Added bitbranch.
1592         (attr length_table): Added bitfield and bitbranch.
1593         (attr length): Compute bitbranch length.
1594         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
1595         least-significant bit of a byte.
1596         (brabit, brabc, brabs): New.
1597         (insv, extzv): Emit bfst and bfld on H8300SX.
1598         (bfld, bfst, seq, sne): New.
1599         (bstzhireg, cmpstz, bstz, bistz): New.
1600         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
1601         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
1602         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
1603         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
1604         (h8sx_unary_memory_operator): New function.
1605         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
1606         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
1607         * config/h8300/h8300.md: Add peepholes to combine reloads and
1608         arithmetic insns.
1609         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1610         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
1611         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
1612         (and?i, ior?i, xor?i): Likewise.
1613         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
1614         * config/h8300/h8300.c: Move enums and prototypes to head of file.
1615         Various whitespace fixes.
1616         (h8300_constant_length): New function, split out from...
1617         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
1618         (h8300_classify_operand): Use IN_RANGE.
1619         (h8300_classify_operand): Use h8300_constant_length.
1620         (h8300_short_move_mem_p): Tighten size check.
1621         (h8sx_mergeable_memrefs_p): Tighten equality check.
1622         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
1623         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
1624         for -msx.
1625         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
1626         * config/h8300/crtn.asm: Likewise.
1627         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
1628         if __H8300SX__ is defined.
1629         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
1630         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
1631         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
1632         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
1633         addresses as mode-dependent.
1634         * config/h8300/h8300.c (print_operand_address): Update call to
1635         h8300_get_index.
1636         (h8300_get_index): Take a mode argument.  Rework to fix an
1637         earlier misunderstanding.
1638         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
1639         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
1640         into a register if TARGET_H8300SX.
1641         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
1642         TARGET_H8300SX.  Also disable related define_splits.
1643         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
1644         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
1645         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
1646         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1647         * config/h8300/h8300.h (OK_FOR_Z): New macro.
1648         (EXTRA_CONSTRAINT_STR): Check it.
1649         * config/h8300/h8300.c (h8300_classify_operand): Accept null
1650         class arguments.
1651         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
1652         * config/h8300/h8300.md (length_table): Add mov_imm4.
1653         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
1654         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
1655         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
1656         be a label.
1657         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
1658         * config/h8300/h8300.c (h8300_reorg): New function.
1659         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1660         * config/h8300/h8300.md (length): Subtract the length of the
1661         delay slot from (pc) when checking the range of forward branches.
1662         (delay_slot, can_delay): New attributes.
1663         (define_delay): Add bra/s handling.
1664         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
1665         (jump): Add delayed-branch handling.
1666         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
1667         * expr.c (expand_strcpy): New function.
1668         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
1669         (expand_builtin_stpcpy): Likewise.
1670         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
1671         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
1672         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
1673         handling to improve register allocation for -fno-omit-frame-pointer.
1674         (h8sx_split_movmd): Delete, moving er6 handling into...
1675         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
1676         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
1677         (movmd): Add calls to copy_rtx.
1678         (movmd_internal): In the second alternative, allow the initial and
1679         final destination registers to be different .  Update the splitter
1680         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
1681         instead of h8sx_split_movmd.
1682         (stpcpy, movsd): New expanders.
1683         (movsd_internal): New define_insn.
1684         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
1685         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
1686         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
1687         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
1688         and DESTINATION_REGS.
1689         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
1690         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
1691         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
1692         (h8300_move_ratio): Declare.
1693         (MOVE_RATIO): Use it.
1694         * config/h8300/h8300.c (h8300_move_ratio): New variable.
1695         (h8300_init_once): Initialize it.
1696         (h8300_reg_class_from_letter): New function.
1697         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
1698         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
1699         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
1700         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
1701         (movstrsi, movmd): New expanders.
1702         (movmd_internal): New insn.
1703         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
1704         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
1705         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
1706         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
1707         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
1708         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1709         * config/h8300/h8300.c (nibble_operand): Fix warning.
1710         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
1711         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
1712         (movsf_h8300h): Disable for TARGET_H8300SX.
1713         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1714         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
1715         h8300_stm_parallel and h8300_return_parallel.
1716         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
1717         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
1718         h8300_stm_parallel, h8300_return_parallel): New functions.
1719         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
1720         if TARGET_H8300SX.  Use h8300_push_pop.
1721         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
1722         and final pop when generating h8sx code.  Always emit some form
1723         of return insn.
1724         * config/h8300/h8300.md: Don't enforce register alignment in
1725         stm peepholes if TARGET_H8300SX.
1726         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
1727         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
1728         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
1729         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
1730         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
1731         (MULTILIB_DIRNAMES): Add a directory for it.
1732         (MULTILIB_MATCHES): Delete.
1733         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1734         * final.c (walk_alter_subreg): Handle addresses with subregs
1735         inside a ZERO_EXTEND or AND.
1736         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
1737         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
1738         if TARGET_H8300SX.
1739         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
1740         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
1741         @(dd,Rn.w) and @(dd,ERn.L).
1742         (h8300_displacement_size): Take the whole address as argument.
1743         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
1744         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
1745         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
1746         (h8sx_mergeable_memrefs_p): Declare.
1747         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
1748         (HAVE_PRE_INCREMENT): Likewise.
1749         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
1750         addresses for TARGET_H8300SX,
1751         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
1752         and POST_DEC.
1753         (movb_length_table, movl_length_table): New tables.
1754         (movw_length_table): Define to movb_length_table.
1755         (h8300_displacement_size): New, split out from...
1756         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
1757         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
1758         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
1759         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
1760         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
1761         (compute_plussi_length, compute_plussi_cc): Update accordingly.
1762         (h8sx_unary_shift_operator): Get the mode from the operator.
1763         (binary_shift_operator): Likewise.
1764         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
1765         a memory reference, check whether the reference is offsettable.
1766         (length_table): Add movb, movw and movl.
1767         (movqi): Add new h8sx pattern.  Don't force one operand to be a
1768         register when generating h8sx code.
1769         (movhi, movsi, movsf): Likewise.
1770         (movstrictqi): Use the length_table attribute.
1771         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
1772         (addqi3): Split into a define_expand and define_insn.  Don't accept
1773         memory operands in the expander.  Use h8300_operands_match_p to
1774         check for matching operands in the define_insn.
1775         (subqi3, negqi2, one_cmplqi2): Likewise.
1776         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
1777         in any patterns that are unused in h8sx code.  In the h8sx patterns,
1778         use h8300_operands_match_p to check whether operands match.
1779         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
1780         one_cmpl[hs]i3): Likewise.
1781         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
1782         in the expander.
1783         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
1784         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
1785         (h8300_insn_length_from_table): Add a second parameter.
1786         (output_h8sx_shift): Declare.
1787         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
1788         (EXTRA_CONSTRAINT): Replace with...
1789         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
1790         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
1791         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
1792         and h8sx_binary_shift_operator.
1793         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
1794         for TARGET_H8300SX.
1795         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
1796         (bit_memory_operand, fix_bit_operand): Likewise.
1797         (h8300_length_table_for_insn): Remove.
1798         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
1799         instructions.
1800         (h8300_short_immediate_length, h8300_binary_length): New functions.
1801         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
1802         (output_plussi): Use sub to add negative constants.
1803         (compute_plussi_length): Adjust accordingly.
1804         (h8sx_single_shift_type): New enum.
1805         (h8sx_single_shift, h8sx_unary_shift_operator,
1806         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
1807         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
1808         single h8sx instruction.  Return false in this case.
1809         * config/h8300/h8300.md (length_table): Add short_immediate.
1810         (length): Pass the operand array to h8300_insn_length_from_table.
1811         (adjust_length): Assume "no" for insns with a length_table attribute.
1812         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
1813         (*addhi3_h8300hs): Don't use for h8sx.
1814         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
1815         and sub.w #xx:3.
1816         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
1817         1's predicate to nonimmediate_operand.  Only skip default expansion
1818         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
1819         for single h8sx shift instructions.
1820         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
1821         * config/h8300/h8300.c (nibble_operand): Split out of...
1822         (reg_or_nibble_operand): ... this.
1823         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
1824         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
1825         umulhisi3): Introduce expand, and introduce separate insns for
1826         sign- or zero-extended REG and already-extended CONST_INT.
1827         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
1828         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
1829         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
1830         (subhi3): Likewise.  Don't accept immediates for operand 1.
1831         Remove the early clobber from second alternative of the h8300s pattern.
1832         (subsi3): Generalize for h8sx.  Force operand 2 into a register
1833         on plain h8300 targets.
1834         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
1835         (subsi3_h8300h): Generalize for h8sx.
1836         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
1837         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
1838         * config/h8300/h8300.c (reg_or_nibble_operand): New.
1839         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1840         (TARGET_H8300SXMUL): New.
1841         (CONST_OK_FOR_P): New.
1842         (CONST_OK_FOR_LETTER_P): Adjust.
1843         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
1844         umulhisi3): Accept 4-bit immediate on H8SX.
1845         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
1846         (udivsi3, divhi3, udivsi3, divsi3): New.
1847         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
1848         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
1849         * config/h8300/h8300.h (OK_FOR_Q): New macro.
1850         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
1851         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
1852         Add ADDRESSOF to the bit_operand entry.
1853         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
1854         (h8300_src_operand): Likewise.
1855         (bit_operand): Check nonimmediate_operand rather than general_operand.
1856         Accept any nonimmediate_operand in h8sx code.
1857         (h8300_and_costs): Initialize operands[1].
1858         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
1859         (h8300_operand_class): New enum.
1860         (h8300_length_table): New typedef.
1861         (addb_length_table, addw_length_table, addl_length_table,
1862         logicl_length_table): New tables.
1863         (logicb_length_table, logicw_length_table): New macros.
1864         (h8300_classify_operand, h8300_length_from_table,
1865         h8300_length_table_for_insn, h8300_unary_length,
1866         h8300_insn_length_from_table): New functions.
1867         (output_plussi): Only use adds and subs for register destinations.
1868         Disable redundant clause.
1869         (compute_plussi_cc): Likewise.
1870         (compute_plussi_length): Likewise.  Use h8300_length_from_table
1871         to work out the length of an insn.
1872         (output_logical_op): Only use narrower immediate instructions
1873         if the destination is a register.
1874         (compute_logical_op_cc): Likewise.
1875         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
1876         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
1877         * config/h8300/h8300.md (length_table): New attribute.
1878         (length): When an instruction has a length_table attribute, use
1879         h8300_insn_length_from_table to calculate its default length.
1880         (cmpqi): Use h8300_dst_operand for the first operand and
1881         h8300_src_operand for the second.
1882         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
1883         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
1884         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
1885         iorsi3, xorhi3, xorsi3): Likewise.
1886         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
1887         so that it allows any combination of operands for TARGET_H8300SX.
1888         (iorqi3, xorqi3): Likewise.
1889         (cmpqi): Use the length_table attribute.
1890         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
1891         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1892         (cmpqi): Add 'Q' constraint.
1893         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
1894         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
1895         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
1896         * config/h8300/h8300.h (MASK_H8300SX): New macro.
1897         (TARGET_H8300S): True for both -ms and -msx.
1898         (TARGET_H8300SX): New macro.
1899         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
1900         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
1901         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
1902         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
1903         [Temporary change.]
1904         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
1905         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
1906         16-bit pointers and 32-bit ints.
1907         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
1908         CONST_DOUBLE with mode no wider than SImode.
1909         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
1910         output operand.
1911         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
1912         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
1913         or SUBREG thereof.
1914         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
1915         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
1916         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
1917
1918 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1919
1920         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
1921
1922 2004-07-07  Per Bothner  <per@bothner.com>
1923
1924         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
1925
1926 2004-07-07  Mike Stump  <mrs@apple.com>
1927
1928         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
1929         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
1930         (machopic_finish): Likewise.
1931
1932 2004-07-07  Richard Henderson  <rth@redhat.com>
1933
1934         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
1935         through any value-preserving cast.
1936
1937 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
1938
1939         * function.c (assign_parm_find_data_types): Call
1940         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
1941
1942 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1943
1944         * tree-cfg.c (group_case_labels): Remove case labels that have
1945         the same target as the default case.
1946
1947 2004-07-07  Steven Bosscher  <stevenb@suse.de>
1948
1949         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
1950         regardless of DECL_LANG_SPECIFIC being present or not.
1951         * tree.h (DECL_NUM_STMTS): Purge.
1952
1953 2004-07-07  Andrew Pinski  <apinski@apple.com>
1954
1955         * configure: Regenerate with the right autoconf.
1956
1957 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
1958
1959         * ifcvt.c (total_bb_rtx_cost): New function.
1960         (find_if_case_1): Compare rtx_cost of basic block to cost of
1961         BRANCH_COST insns.
1962         (find_if_case_2): Same.
1963
1964 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1965
1966         PR target/10567
1967         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
1968         (output_return): Likewise.
1969         (output_sibcall): Abort if !flag_delayed_branch.
1970         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
1971         (emit_and_preserve): New function.
1972         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
1973         indirect jump to the thunked-to function if !flag_delayed_branch.
1974         * config/sparc/sparc.md (delayed_branch): New attribute.
1975         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
1976         attribute to compute the length of the insn.
1977         (goto_handler_and_restore): Likewise.
1978
1979 2004-07-07  Andrew Pinski  <apinski@apple.com>
1980
1981         PR tree-optimization/15777
1982         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
1983
1984         * expr.c (expand_expr_real_1): Fix formating.
1985         BUFFER_REF and IN_EXPR are dead.
1986         * fold-const.c (non_lvalue): BUFFER_REF is dead.
1987         * tree-inline.c (estimate_num_insns_1): Likewise.
1988         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
1989         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
1990         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
1991
1992 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
1993
1994         * collect2.c (dump_file): Don't call cplus_demangle if
1995         HAVE_LD_DEMANGLE is defined.
1996         (main): Pass "--demangle" to ld if no_demangle is not 0 and
1997         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
1998         if HAVE_LD_DEMANGLE is defined.
1999
2000         * configure.ac (--with-demangler-in-ld): Added
2001         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2002         --with-demangler-in-ld is used.
2003         * config.in: Regenerated.
2004         * configure: Likewise.
2005
2006 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2007
2008         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2009         for simple floating point operations "fp", double precision
2010         multiplication "dmul", and single and double precision division
2011         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2012         (ppc630_cost): New table split from ppc620_cost, to distinguish
2013         differences in floating point latencies.
2014         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2015         (rs6000_rtx_costs): Add support for single and double precision
2016         floating point addition, subtraction, multiplication, division,
2017         fused-multiply-add, fused-multiply-sub, negation, absolute value
2018         and negative absolute value.  Tweak MEM case to use prefered idiom.
2019
2020 2004-07-07  Richard Henderson  <rth@redhat.com>
2021
2022         * tree-flow-inline.h (may_propagate_copy): Move...
2023         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2024         attempt to copy between types requiring conversion.
2025         * tree-flow.h (may_propagate_copy): Update decl.
2026         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2027
2028 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2029
2030         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2031         from -mtune= option.
2032
2033 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2034
2035         * builtins.c: Rename movstr*, except for movstrict*, to
2036         movmem* and clrstr* to clrmem*.
2037         * expr.c: Likewise.
2038         * expr.h: Likewise.
2039         * genopinit.c: Likewise.
2040         * integrate.c: Likewise.
2041         * local-alloc.c: Likewise.
2042         * optabs.c: Likewise.
2043         * optabs.h: Likewise.
2044         * config/alpha/alpha.h: Likewise.
2045         * config/alpha/alpha.md: Likewise.
2046         * config/arm/arm-protos.h: Likewise.
2047         * config/arm/arm.c: Likewise.
2048         * config/arm/arm.md: Likewise.
2049         * config/avr/avr.md: Likewise.
2050         * config/c4x/c4x.c: Likewise.
2051         * config/c4x/c4x.md: Likewise.
2052         * config/frv/frv.md: Likewise.
2053         * config/i386/i386-protos.h: Likewise.
2054         * config/i386/i386.c: Likewise.
2055         * config/i386/i386.h: Likewise.
2056         * config/i386/i386.md: Likewise.
2057         * config/i860/i860.c: Likewise.
2058         * config/i860/i860.md: Likewise.
2059         * config/ip2k/ip2k.md: Likewise.
2060         * config/ip2k/libgcc.S: Likewise.
2061         * config/ip2k/t-ip2k: Likewise.
2062         * config/m32r/m32r.c: Likewise.
2063         * config/m32r/m32r.md: Likewise.
2064         * config/mcore/mcore.md: Likewise.
2065         * config/mips/mips.c: Likewise.
2066         * config/mips/mips.md: Likewise.
2067         * config/ns32k/ns32k.c: Likewise.
2068         * config/ns32k/ns32k.h: Likewise.
2069         * config/ns32k/ns32k.md: Likewise.
2070         * config/pa/pa.c: Likewise.
2071         * config/pa/pa.md: Likewise.
2072         * config/pdp11/pdp11.h: Likewise.
2073         * config/pdp11/pdp11.md: Likewise.
2074         * config/rs6000/rs6000.c: Likewise.
2075         * config/rs6000/rs6000.md: Likewise.
2076         * config/s390/s390-protos.h: Likewise.
2077         * config/s390/s390.c: Likewise.
2078         * config/s390/s390.md: Likewise.
2079         * config/sh/lib1funcs.asm: Likewise.
2080         * config/sh/sh.c: Likewise.
2081         * config/sh/sh.md: Likewise.
2082         * config/sh/t-sh: Likewise.
2083         * config/sparc/sparc.h: Likewise.
2084         * config/vax/vax.md: Likewise.
2085         * config/xtensa/xtensa.c: Likewise.
2086         * config/xtensa/xtensa.md: Likewise.
2087         * doc/invoke.texi: Likewise.
2088         * doc/md.texi: Likewise.
2089         * doc/rtl.texi: Likewise.
2090
2091 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2092
2093         PR target/16407
2094         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2095         * config/mips/mips.c (mips_declare_common_object): New function,
2096         mostly split out from...
2097         (mips_output_aligned_decl_common): ...here.
2098         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2099         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2100         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2101         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2102
2103 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2104
2105         PR c/16392
2106         * function.c (assign_parms): Fix typo from previous change.
2107
2108 2004-07-07  Jason Merrill  <jason@redhat.com>
2109
2110         PR c++/15815
2111         * doc/extend.texi (C++ Interface): Correct information and
2112         discourage use.
2113
2114 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2115
2116         PR target/16130
2117         PR target/16142
2118         PR target/16143
2119         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2120         insn.
2121
2122 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2123
2124         PR target/1679.
2125         * config/m32r/m32r.c (m32r_function_symbol): New function:
2126         Generate a symbol name RTX with the correct m32r specific flags
2127         set.
2128         (block_move_call): Use new function to generate correct symbol.
2129         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2130         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2131         function.
2132
2133 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2134
2135         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2136         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2137         TYPE_BINFO_BASETYPE): Remove.
2138         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2139         to ...
2140         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2141         here.
2142         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2143         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2144         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2145         (struct tree_binfo): Rename base_types to base_binfos.
2146         * alias.c (record_component_aliases): Adjust BINFO macros.
2147         * dbxout.c (dbxout_type): Likewise.
2148         * dwarf2out.c (gen_member_die): Likewise.
2149         * sdbout.c (sdbout_one_type): Likewise.
2150         * tree-dump.c (deque_and_dump): Likewise.
2151         * config/i386/i386.c (classify_argument,
2152         contains_128bit_aligned_vector_p): Likewise.
2153
2154 2004-07-07  Nick Clifton  <nickc@redhat.com>
2155
2156         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2157         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2158
2159 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2160
2161         * vec.h: Fix the example use.
2162
2163 2004-07-06  Richard Henderson  <rth@redhat.com>
2164
2165         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2166         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2167         * tree-inline.c (copy_body_r, setup_one_parameter,
2168         initialize_inlined_parameters, expand_call_inline,
2169         declare_inline_vars): Don't check it.
2170         (expand_calls_inline): Remove old version, rename new version
2171         from gimple_expand_calls_inline.
2172         * tree-optimize.c (execute_gimple): Remove.
2173         (pass_gimple): Don't run anything.
2174
2175 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2176
2177         * doc/sourcebuild.texi: Use semicolons instead of commas in
2178         section title.
2179
2180 2004-07-06  Richard Henderson  <rth@redhat.com>
2181
2182         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2183         (sra_walk_modify_expr, scan_init): Likewise.
2184         (generate_element_zero): Check visited before scanning children.
2185         (generate_element_init): Set visited on error.
2186         (scalarize_init): Handle generate_element_init failure similar
2187         to use_block_copy.
2188
2189 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2190
2191         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2192         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2193
2194 2004-07-06  Richard Henderson  <rth@redhat.com>
2195
2196         * config/i386/i386.c (legitimize_pic_address): Make static.
2197         (legitimize_address): Handle CONST with TLS operand.
2198         (ix86_expand_move): Don't call legitimize_pic_address directly.
2199         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2200
2201 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2202
2203         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2204         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2205         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2206         is currently executed unconditionally, i.e. not in "else_bb".
2207
2208 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2209
2210         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2211         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2212         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2213         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2214         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2215         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2216         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2217         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2218         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2219         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2220         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2221         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2222         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2223         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2224         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2225         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2226
2227 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2228
2229         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2230         * expr.c (expand_expr_real_1): Ditto.
2231         * tree-inline.c (estimate_num_insns_1): Ditto.
2232         * tree-pretty-print.c (dump_generic_node): Ditto.
2233         (op_symbol): Ditto.
2234         * tree.def: Ditto.
2235
2236 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2237
2238         * tree-ssa-pre.c (reference_node_pool): New pool.
2239         (find_or_generate_expression): Class 'r' is okay too.
2240         (create_value_expr_from): Ditto.
2241         (add_to_sets): LHS should not include vuses.
2242         (eliminate): Ditto.
2243         (compute_avail): Reverse ordering of tests.
2244         Valuize INDIRECT_REF as well.
2245
2246 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2247
2248         PR rtl-optimization/16380
2249         * loop.c (check_dbra_loop): Sink comparison instructions if they
2250         do something other than set cc0.
2251
2252 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2253
2254         * doc/interface.texi (longjmp and automatic variables): Delete
2255         paragraph recommending taking the address of a variable.
2256
2257 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2258
2259         * vec.h (VEC_embedded_alloc): Remove.
2260         (VEC_embedded_size, VEC_embedded_init): New.
2261         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2262         MEM_STAT_INFO.
2263         (VEC_truncate): New.
2264         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2265         (vec_embedded_alloc): Remove.
2266         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2267         (vec_embedded_alloc): Remove.
2268
2269 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2270
2271         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2272         (gt-langhooks.h): Remove.
2273
2274 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2275
2276         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2277
2278 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2279
2280         * config/sparc/sparc.c (get_pc_symbol): Rename into
2281         add_pc_to_pic_symbol.
2282         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2283         (load_pic_register): Account for previous changes.
2284         Use reg_names.  Don't create the label twice.
2285         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2286         UNSPEC_LOAD_PCREL_SYM.
2287         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2288         operands.  Remove condition.
2289
2290 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2291
2292         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
2293         RECORD, UNION & QUAL_UNION is actually a binfo.
2294
2295         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
2296         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
2297         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
2298         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
2299         * dwarf2out.c (add_data_member_location_attribute): Likewise.
2300         (gen_inheritance_die): Likewise.
2301         * tree-dump.c (deque_and_dump): Likewise.
2302         * doc/c-tree.texi (Binfos): Add under reconstruction note.
2303
2304 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2305
2306         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2307         Define.
2308         * config/mcore/mcore.md: Model memory latency with a simple DFA
2309         pipeline description instead of a define_function_unit.
2310
2311 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2312
2313         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
2314         * langhooks.h (var_mod_type_p): Likewise.
2315         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
2316         * expr.c (count_type_elements): Properly handle return from
2317         array_type_nelts and properly test for overflow.
2318         * gimplify.c (gimplify_init_constructor): Properly handle return
2319         from array_type_nelts.
2320         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
2321         * integrate.c (copy_decl_for_inlining): Correct comments.
2322         * tree-inline.c (remap_decl): Update comments, remove dead code,
2323         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
2324         (remap_type): Only remap if variably modified by vars in function
2325         being inlined.
2326         (copy_body_r): Use compatible_type langhooks to see when can fold.
2327         (setup_one_parameter): Don't remap type.
2328         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
2329         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
2330         compute TREE_INVARIANT for decl case.
2331         (find_var_from_fn): New function.
2332         (variably_modified_type_p): Add arg and call new function.
2333         * tree.h (variably_modified_type_p): Add extra arg.
2334
2335 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2336
2337         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
2338         (goto_handler_and_restore_v9): Delete disabled insn.
2339         (goto_handler_and_restore_v9_sp64): Likewise.
2340
2341 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2342
2343         * calls.c (load_register_parameters): Call expand_shift instead
2344         of expand_binop with ashl_optab (or other shift optab) directly.
2345         * expr.c (emit_group_load, emit_group_store): Likewise.
2346         * function.c (assign_parm_setup_block): Likewise.
2347         * stmt.c (shift_return_value): Likewise.
2348
2349 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
2350
2351         * expr.c (expand_assignment): Disable the bitfield += optimizations.
2352
2353 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2354
2355         * doc/sourcebuild.texi: Revert previous patch.
2356
2357 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2358
2359         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
2360         TARGET_MEM_FUNCTIONS.
2361         * system.h: Poison TARGET_MEM_FUNCTIONS.
2362         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
2363         bcmp_libfunc, bzero_libfunc): Remove.
2364         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
2365         bzero_libfunc.
2366         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
2367         * doc/standards.texi: Don't mention calling BSD string functions.
2368         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
2369         * config/vax/t-memfuncs: New.
2370         * config/memcmp.c, config/memcpy.c, config/memmove.c,
2371         config/memset.c: New.
2372         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
2373         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
2374         vax/t-memfuncs.
2375         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
2376         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
2377         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
2378         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
2379         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
2380         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
2381         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
2382         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
2383         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
2384         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
2385
2386 2004-07-05  Richard Henderson  <rth@redhat.com>
2387
2388         * function.c (assign_parm_setup_reg): Properly rename variables in
2389         FUNCTION_ARG_CALLEE_COPIES section.
2390
2391 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2392
2393         * tree-mudflap.c: Include cgraph.h.
2394         (mf_init_extern_trees): Rename to mudflap_init.  Export.
2395         Rewrite to create synthetic declarations instead of looking
2396         up declarations from mf-runtime.h.
2397         (mf_make_builtin, mf_make_cache_struct_type): New functions.
2398         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
2399         Correct commentary.
2400         (execute_mudflap_function_decls, mudflap_register_call):
2401         Don't call mf_init_extern_trees.
2402         (mudflap_finish_file): Use cgraph_build_static_cdtor.
2403
2404         * tree-mudflap.h: Update prototypes.
2405         * c-mudflap.c: Delete file.
2406         * c-common.c: Include tree-mudflap.h.
2407         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
2408         * Makefile.in: Remove all references to c-mudflap.o.
2409         Update dependencies.
2410
2411 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2412
2413         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
2414         displacements with the spatial-locality cache-control completer.
2415
2416 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
2417
2418         * langhooks.c: Don't include gt-langhooks.h.
2419         (var_labelno): Delete.
2420         (lhd_set_decl_assembler_name): Do not append a distinguishing
2421         number to file-scope internal-linkage declarations for the first
2422         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
2423         the declaration itself (if at block scope), or its containing
2424         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
2425         number.
2426
2427         * opts.c (cur_in_fname): New global.
2428         * opts.h: Declare it.
2429         * tree.c: Include opts.h.
2430         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
2431         DECL_UID equal to cur_in_fname.
2432         (copy_node_stat): Do not change DECL_UID when copying a
2433         TRANSLATION_UNIT_DECL.
2434         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
2435         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
2436
2437         * c-decl.c (c_static_assembler_name): Delete.
2438         * c-tree.h (c_static_assembler_name): Delete prototype.
2439         * c-lang.c, objc/objc-lang.c: Don't override
2440         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
2441
2442         * Makefile.in (tree.o): Update dependencies.
2443         (GTFILES): Remove langhooks.c.
2444
2445 2004-07-05  Roger Sayle  <roger@eyesopen.com>
2446
2447         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
2448         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
2449         Normalize "X % C" as "X % -C" for signed modulus and negative C.
2450         Optimize "X % -Y" as "X % Y" for signed modulus.
2451         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
2452         into "((unsigned) X % Y) == 0".
2453
2454 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2455
2456         * sourcebuild.texi (Config Fragments): Use @comma{} in
2457         cross-reference to section title.
2458
2459 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2460
2461         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
2462         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
2463         (gimplify_target_expr, gimplify_expr): Likewise.
2464         (copy_if_shared_r): No longer need special case for BIND_EXPR.
2465         (unshare_body, unvisit_body): Only look at nested if BODY_P is
2466         whole function.
2467         (gimplify_compound_lval): See if we can strip any useless conversion.
2468         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
2469         from RHS, not LHS.
2470         (gimplify_modify_expr_to_memset): Likewise.
2471         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
2472         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
2473         (declare_inline_vars): Likewise.
2474         (walk_type_fields): New function.
2475         (walk_tree): Use it.
2476         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
2477
2478         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
2479         (sra_walk_modify_expr): Allow init function to fail.
2480         (scan_init): Now returns bool.
2481         (generate_element_init): If can't understand INIT, return false.
2482         (scalarize_init): Return false if generate_element_init does.
2483
2484         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
2485         print bounds.
2486
2487         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
2488         bounds if bounds aren't constant.
2489
2490         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
2491
2492         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
2493         to type hooks; remove bogus PARAMS.
2494
2495 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
2496
2497         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
2498         * dwarf2out.c (add_data_member_location_attribute): Check for
2499         TREE_BINFO.
2500         * tree.c (tree_node_kinds): Add "binfos".
2501         (binfo_lang_slots): New.
2502         (make_node_stat): Add TREE_BINFO.
2503         (make_tree_binfo_stat): New.
2504         (tree_node_structure): Add TREE_BINFO.
2505         * tree.def (TREE_BINFO): New.
2506         * tree.h (REC_OR_UNION_CHECK): Rename to ...
2507         (RECORD_OR_UNION_CHECK): ... here.
2508         (NOT_RECORD_OR_UNION_CHECK): New.
2509         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
2510         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
2511         RECORD_OR_UNION_CHECK.
2512         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
2513         (TYPE_LANG_SLOT_1): New.
2514         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
2515         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
2516         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
2517         (BINFO_ELTS): Remove.
2518         (BINFO_LANG_SLOT): New.
2519         (struct tree_binfo): New.
2520         (binfo_lang_slots): Declare.
2521         (enum tree_node_structure_enum): Add TS_BINFO.
2522         (union tree_node): Add binfo.
2523         (make_tree_binfo_stat): Declare.
2524         (make_tree_binfo): New.
2525         (enum tree_node_kind): Add binfo_kind.
2526
2527         * objc/objc-act.c (start_class, objc_declare_protocols,
2528         start_protocols): Use TYPE_LANG_SLOT_1.
2529         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
2530         to ...
2531         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
2532         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
2533         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
2534         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
2535
2536 2004-07-05  Steven Bosscher  <stevenb@suse.de>
2537
2538         * rtl.h (struct rtx_def): Remove the integrated flag.
2539         Use the return_val flag for MEM_SCALAR_P.
2540         Reshuffle and update flags in CLEAR_RTX_FLAGS.
2541
2542 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
2543
2544         PR target/16357
2545         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
2546         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
2547         move_by_pieces.
2548
2549 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
2550
2551         * var-tracking.c: Fix some comments.
2552         (frame_stack_adjust): New.
2553         (vt_stack_adjustments): Init stack_adjust of entry block to
2554         minus stack adjustment of function prologue.
2555         (adjust_stack_reference): Do not adjust if adjustment == 0.
2556         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
2557         (emit_notes_in_bb): Likewise.
2558         (vt_add_function_parameters): Do not adjust locations of
2559         function arguments.
2560         (vt_initialize): Compute the stack adjustment of function
2561         prologue and offset the initial "location" of frame_base_decl
2562         from the stack pointer after prologue.
2563
2564 2004-07-04  Richard Henderson  <rth@redhat.com>
2565
2566         * function.c (struct assign_parm_data_all): New.
2567         (struct assign_parm_data_one): New.
2568         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
2569         assign_parm_find_data_types, assign_parms_setup_varargs,
2570         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
2571         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
2572         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
2573         assign_parm_setup_block, assign_parm_setup_reg,
2574         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
2575         (assign_parms): ... here.
2576
2577 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
2578
2579         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
2580         now are bitmap_set_t's.
2581         (bitmap_insert_into_set): No point in inserting the value if
2582         it's invariant.
2583         (bitmap_set_contains): New function.
2584         (bitmap_set_replace_value): Add comment on why we do it
2585         this way.
2586         (set_contains): Removed.
2587         (bitmap_set_subtract_from_value_set): New name of
2588         set_subtract now that it's arguments are two different
2589         types of sets.
2590         Update callers.
2591         (bitmap_find_leader): Change algorithm used.
2592         (find_or_generate_expression): Update use of functions for new
2593         bitmap sets.
2594         (create_expression_by_pieces): Ditto.
2595         (insert_aux): Ditto.
2596         (insert): Ditto.
2597         (add_to_sets): Ditto.
2598         (init_pre): Ditto.
2599         (execute_pre): Ditto.
2600         (compute_avail): Ditto.
2601         Also ignore virtual phis.
2602
2603 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2604
2605         * combine.c (simplify_comparison): Fix comment typo.
2606
2607 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2608
2609         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
2610         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
2611         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
2612         (output_restore): Change parameter from 'insn' to 'pat'.
2613         (output_return): Adjust call to output_restore.
2614         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
2615         Adjust call to output_restore.
2616
2617 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2618
2619         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
2620         and assert system is bsd.
2621
2622 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
2623
2624         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
2625         (TARGET_SWITCHES): Remove -mdebugc.
2626         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2627         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
2628         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
2629         (sle_[sd]i_reg): Delete.
2630
2631 2004-07-04  Steven Bosscher  <stevenb@suse.de>
2632
2633         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
2634         Define.
2635         * config/iq2000/iq2000.md: Translate old pipeline description to an
2636         equivalent new one.
2637
2638 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2639
2640         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
2641         Ensure the replacement rhs is valid gimple before performing
2642         the substitution.  Return false if these sanity checks fail.
2643         (fold_stmt): Only set changed to true, if set_rhs returns true.
2644         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
2645         succeeds.
2646
2647 2004-07-04  Richard Henderson  <rth@redhat.com>
2648
2649         PR c/16348
2650         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
2651
2652 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
2653
2654         * configure.ac (ranlib_flags): New variable.
2655         * Makefile.in (RANLIB_FLAGS): New variable.
2656         (libbackend.a): Use it.
2657         * configure: Regenerated.
2658
2659 2004-07-04  Roger Sayle  <roger@eyesopen.com>
2660
2661         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
2662         a "sign mask" instead of using ashr_optab directly.
2663
2664 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
2665
2666         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
2667         * doc/cppopts.texi: Clarify processing of command-line defines.
2668
2669 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
2670
2671         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
2672
2673 2004-07-04  Richard Henderson  <rth@redhat.com>
2674
2675         * rtl.def (ADDRESSOF): Remove.
2676         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
2677         (find_base_term, memrefs_conflict_p): Likewise.
2678         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
2679         (fold_rtx, cse_insn, set_live_p): Likewise.
2680         * dwarf2out.c (mem_loc_descriptor): Likewise.
2681         (add_location_or_const_value_attribute): Likewise.
2682         * emit-rtl.c (copy_insn_1): Likewise.
2683         * explow.c (memory_address): Likewise.
2684         * expmed.c (store_split_bit_field): Likewise.
2685         * expr.c (expand_expr_real_1): Likewise.
2686         * function.c (instantiate_decl
2687         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
2688         * genrecog.c (preds, validate_pattern): Likewise.
2689         * integrate.c (copy_rtx_and_substitute): Likewise.
2690         * recog.c (general_operand, register_operand): Likewise.
2691         (memory_address_p): Likwise.
2692         * reload1.c (eliminate_regs, elimination_effects): Likewise.
2693         * rtl.c (copy_rtx): Likewise.
2694         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2695         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
2696         * rtlhooks.c (gen_lowpart_general): Likewise.
2697         * stmt.c (expand_asm_operands): Likewise.
2698         * web.c (entry_register, replace_ref, web_main): Likewise.
2699         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
2700         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2701         * config/arm/arm.c (thumb_rtx_costs): Likewise.
2702         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
2703         * config/frv/frv.c (move_destination_operand, move_source_operand,
2704         condexec_dest_operand, condexec_source_operand,
2705         condexec_memory_operand): Likewise.
2706         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
2707         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
2708         (destination_xfmode_operand): Likewise.
2709         * config/mips/mips.h (PREDICATE_CODES): Likewise.
2710         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
2711         * config/s390/s390.c (general_s_operand): Likewise.
2712         * config/s390/s390.md (mov*): Likewise.
2713         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
2714
2715         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
2716         * expr.c (expand_expr_real_1): Likewise.
2717         * stmt.c (expand_decl): Likewise.
2718         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2719
2720         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
2721         postponed_insns, put_var_into_stack, put_reg_into_stack,
2722         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
2723         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
2724         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
2725         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
2726         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
2727         purge_bitfield_addressof_replacements, purge_addressof_replacements,
2728         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
2729         struct insns_for_mem_walk_info, insns_for_mem_walk,
2730         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
2731         setjmp_protect_args): Remove.
2732         (push_function_context_to): Don't handle var_refs_queue.
2733         (pop_function_context_from, free_after_compilation): Likewise.
2734         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
2735         (assign_parms, allocate_struct_function): Likewise.
2736         (use_register_for_decl): New.
2737         (expand_function_end): Don't setjmp_protect.
2738         * function.h (struct emit_status): Update commentary.
2739         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
2740         (max_parm_reg, parm_reg_stack_loc): Remove.
2741         * passes.c (DFI_addressof): Remove.
2742         (dump_file_info): Remove addressof.
2743         (rest_of_handle_addressof): Remove.
2744         (rest_of_compilation): Don't call it.
2745         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
2746         * stmt.c (expand_decl): Use use_register_for_decl.
2747         * tree.h: Update decls.
2748         * web.c (mark_addressof): Remove.
2749         * doc/invoke.texi (-dF): Remove.
2750
2751 2004-07-03  Richard Henderson  <rth@redhat.com>
2752
2753         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
2754         instead of gen_mem_addressof.
2755         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
2756         TImode output register.
2757
2758 2004-07-03  Richard Henderson  <rth@redhat.com>
2759
2760         PR tree-optimization/16341
2761         * tree-sra.c (sra_walk_function): Increment to next stmt before
2762         processing the current stmt.
2763         (sra_insert_after): Always use BSI_SAME_STMT.
2764
2765 2004-07-03  Richard Henderson  <rth@redhat.com>
2766
2767         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
2768         fp plus with minus.
2769
2770 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2771
2772         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
2773         with tree_int_cst_equal.
2774
2775 2004-07-03  Andreas Schwab  <schwab@suse.de>
2776
2777         * config/ia64/ia64.md: Define new attribute "empty".
2778         (prologue_use, nop_x, insn_group_barrier): Set it.
2779
2780         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
2781         skip over "empty" insns.
2782
2783 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2784
2785         * tree-inline.c (initialize_inlined_parameters): Pass proper function
2786         context to gimplify_body.
2787         (walk_tree): Don't walk into types twice.
2788         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
2789
2790         * tree-sra.c (generate_element_init): Remove any useless conversions.
2791
2792         * gimplify.c (gimplify_conversion): Remove stripping useless
2793         conversions from here.
2794         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
2795         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
2796         Unshare before substituting PLACEHOLDER_EXPR.
2797         (gimplify_modify_expr_to_memset): Likewise.
2798         Pass address of TO to memset, not TO itself.
2799         (gimplify_init_constructor): Make copy of OBJECT so we have it each
2800         time we make an expression (to match a PLACEHOLDER_EXPR).
2801
2802         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
2803         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
2804         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
2805         * tree-ssa-dom.c (local_fold): Likewise.
2806
2807         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
2808         * langhooks.h (strct lang_hooks): New field type_max_size.
2809         * function.c (assign_temp): Call it.
2810
2811 2004-07-03  Steven Bosscher  <stevenb@suse.de>
2812
2813         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
2814         * config/sh/sh.md: Convert the SH1 pipeline description to
2815         a DFA model.
2816
2817 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
2818
2819         * c-decl.c (struct c_binding): Remove contour field; add
2820         depth, invisible, nested fields.
2821         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
2822         (B_IN_EXTERNAL_SCOPE): New convenience macros.
2823         (bind): Add invisible and nested arguments. Initialize
2824         new fields of struct c_binding; adjust loop scanning for
2825         insertion point.
2826         (free_binding_and_advance): Clear structure with memset.
2827         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
2828         in file scope, even if it's in external scope too.
2829         (pushdecl): Adjust to match.  Create invisible file-scope
2830         declarations for block-scope forward declarations of static functions.
2831         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
2832         (undeclared_variable, lookup_label, declare_label, define_label)
2833         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
2834         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
2835         (store_parm_decls_oldstyle): Adjust to match.
2836         (diagnose_mismatched_decls): Correct handling of linkage clashes.
2837         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
2838
2839         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
2840         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
2841
2842 2004-07-02  Richard Henderson  <rth@redhat.com>
2843
2844         * c-decl.c (grokdeclarator): Don't frob current_function_decl
2845         around variable_size.
2846         (set_decl_nonlocal): Remove.
2847         (store_parm_decls): Add stmts for pending sizes.
2848         * calls.c (calls_function, calls_function_1): Remove.
2849         (precompute_arguments): Don't call it.
2850         * cfgexpand.c (set_save_expr_context): Remove.
2851         (tree_expand_cfg): Don't call it.
2852         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
2853         (dwarf2out_finish): Likewise.
2854         * expr.c (emit_block_move): Adjust addresses to BLKmode.
2855         (store_constructor): Don't pre-evaluate SAVE_EXPR.
2856         (safe_from_p): Don't queue SAVE_EXPRs.
2857         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
2858         or build plain VAR_DECLs.
2859         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
2860         (fold): Likewise.
2861         (fold_checksum_tree): Don't special-case SAVE_EXPR.
2862         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
2863         (put_var_into_stack): Don't handle SAVE_EXPR.
2864         (gen_mem_addressof): Likewise.
2865         * function.h (struct function): Remove x_save_expr_regs.
2866         (save_expr_regs): Remove.
2867         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
2868         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
2869         * stor-layout.c (variable_size): Don't set it.
2870         (force_type_save_exprs, force_type_save_exprs_1): Remove.
2871         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
2872         all callers.  Don't set SAVE_EXPR_CONTEXT.
2873         * tree-inline.h (remap_save_expr): Update decl.
2874         * tree.c (save_expr): Update build size.
2875         (first_rtl_op): Don't handle SAVE_EXPR.
2876         (unsave_expr_1, contains_placeholder_p): Likewise.
2877         (decl_function_context): Likewise.
2878         * tree.def (SAVE_EXPR): Remove args 1 and 2.
2879         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
2880         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
2881
2882 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2883
2884         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
2885         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
2886         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
2887         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
2888         some first-person references and patronizing comments.  Based on
2889         printed manual.
2890         * doc/invoke.texi: Don't reference fortran@gnu.org.
2891         * doc/trouble.texi (Warning when a non-void function value is
2892         ignored): Rewrite.  From Russ Allbery and Chris Devers.
2893
2894 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
2895
2896         * tree-ssa-pre.c (bitmap_set_t): New.
2897         (bb_value_sets): avail_out is now a bitmap_set_t.
2898         (bitmap_find_leader): New function.
2899         (bitmap_value_insert_into_set): Ditto.
2900         (bitmap_set_copy): Ditto.
2901         (bitmap_value_replace_in_set): Ditto.
2902         (bitmap_set_contains_value): Ditto.
2903         (bitmap_set_new): Ditto.
2904         (bitmap_set_pool): New pool.
2905         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
2906         (insert_aux): Ditto.
2907         (add_to_sets): Ditto.
2908         (compute_avail): Ditto
2909         (eliminate): Ditto.
2910         (init_pre): Ditto.
2911         (fini_pre): Ditto.
2912         (execute_pre): Ditto.
2913
2914 2004-07-02  Roger Sayle  <roger@eyesopen.com>
2915
2916         * config/rs6000/rs6000.c (struct processor_costs): New structure
2917         used to hold instruction latencies/sizes for processor types.
2918         (rs6000_cost): New global variable pointing to current CPU's costs.
2919         (rs6000_override_options): Initialize rs6000_cost to point to the
2920         appropriate cost table based upon rs6000_cpu and optimize_size.
2921         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
2922         timings inline.
2923
2924 2004-07-02  Richard Henderson  <rth@redhat.com>
2925
2926         * expmed.c (make_tree): Don't use SET_DECL_RTL.
2927
2928 2004-07-02  Steven Bosscher  <stevenb@suse.de>
2929
2930         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
2931
2932 2004-07-01  Richard Henderson  <rth@redhat.com>
2933
2934         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
2935         (alpha_gp_save_rtx): Use assign_stack_local instead of
2936         gen_mem_addressof.
2937
2938 2004-07-01  Richard Henderson  <rth@redhat.com>
2939
2940         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
2941         (alpha_rtx_cost_data): Update to match.
2942         (alpha_rtx_cost_size): New.
2943         (alpha_rtx_costs): Honor optimize_size.
2944
2945 2004-07-01  Richard Henderson  <rth@redhat.com>
2946
2947         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
2948         * cfgexpand.c (tree_expand_cfg): Do it here.
2949         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
2950         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
2951         * config/mips/mips.c (mips_output_mi_thunk): And here.
2952         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
2953         * config/sh/sh.c (sh_output_mi_thunk): And here.
2954         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
2955
2956 2004-07-01  Richard Henderson  <rth@redhat.com>
2957
2958         * tree.def (RTL_EXPR): Remove.
2959         * c-typeck.c (lvalue_p): Don't handle it.
2960         * expr.c (safe_from_p): Likewise.
2961         (expand_expr_real_1): Likewise.
2962         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
2963         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
2964         * gengtype.c (adjust_field_tree_exp): Likewise.
2965         * stmt.c (warn_if_unused_value): Likewise.
2966         * tree-gimple.c (recalculate_side_effects): Likewise.
2967         * tree-pretty-print.c (dump_generic_node): Likewise.
2968         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
2969         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
2970         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
2971
2972         * stmt.c (struct stmt_status): Remove x_last_expr_type,
2973         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
2974         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
2975         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
2976         all the bits that tracked last_expr.
2977         (expand_end_bindings): Don't track last_expr.
2978         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
2979         (clear_last_expr): Remove.
2980         (expand_asm): Don't call it.
2981         (expand_asm_operands, expand_end_cond): Likewise.
2982         (expand_naked_return, expand_null_return_1): Likewise.
2983         * c-typeck.c (c_begin_compound_stmt): Likewise.
2984         * cfgexpand.c (expand_block): Use expand_expr_stmt.
2985         * expr.c (expand_expr_real_1): Likewise.
2986         * tree.h: Update prototypes.
2987
2988         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
2989         (struct emit_status): Remove sequence_rtl_expr.
2990         (struct function): Remove x_rtl_expr_chain.
2991         (seq_rtl_expr, rtl_expr_chain): Remove.
2992         * function.c (struct temp_slot): Remove rtl_expr.
2993         (assign_stack_temp_for_type): Don't set it.
2994         (free_temp_slots, pop_temp_slots): Don't check it.
2995         (free_after_compilation): Don't clear x_rtl_expr_chain.
2996         (fixup_var_refs): Don't search it.
2997         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
2998         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
2999         or seq_rtl_expr.
3000         (push_topmost_sequence): Likewise.
3001         (end_sequence, init_emit): Likewise.
3002         (start_sequence_for_rtl_expr): Remove.
3003         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3004         * rtl.h (preserve_rtl_expr_result): Remove.
3005
3006 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3007
3008         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3009         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3010         typos.
3011
3012 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3013
3014         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3015         (STANDARD_STARTFILE_PREFIX_2): Define.
3016         (standard_startfile_prefix_1): Initialize to
3017         STANDARD_STARTFILE_PREFIX_1.
3018         (standard_startfile_prefix_2): Initialize to
3019         STANDARD_STARTFILE_PREFIX_2.
3020         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3021         (STANDARD_STARTFILE_PREFIX_1): Define.
3022         (STANDARD_STARTFILE_PREFIX_2): Define.
3023         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3024         (STANDARD_STARTFILE_PREFIX_2): Document.
3025
3026 2004-07-01  Richard Henderson  <rth@redhat.com>
3027
3028         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3029         in order to disable scalarization.  Instead set a flag and wait
3030         for a candidate decl.
3031
3032 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3033
3034         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3035         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3036         Use terminology "testsuite" and "enumerated".
3037
3038 2004-07-01  Richard Henderson  <rth@redhat.com>
3039
3040         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3041         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3042         (initial_return_save): Likewise.
3043         (flush_queued_reg_saves): Remap register numbers.
3044         (dwarf2out_return_reg): Likewise.
3045
3046 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3047
3048         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3049
3050         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3051         access functions for lower bound and element size and only output
3052         if lower bound nonzero or element size not same as that of type.
3053         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3054
3055 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3056
3057         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3058
3059 2004-07-01  Per Bothner  <per@bothner.com>
3060
3061         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3062
3063 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3064
3065         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3066         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3067         first operand.  Don't optimize if the bitfield is volatile.
3068
3069 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3070
3071         * c-pretty-print.c (pp_c_postfix_expression): Handle
3072         floating-point comparison operators.
3073         (pp_c_expression): Pass floating-point comparison
3074         operators to pp_c_postfix_expression.
3075
3076 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3077
3078         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3079         rtx_cost instead of "had_mult" to determine whether the transformed
3080         expression is cheaper than the original.
3081
3082 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3083
3084         * alias.c (get_alias_set, canon_rtx, get_addr,
3085         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3086         Use MEM_P.
3087         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3088         expand_builtin): Likewise.
3089         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3090         Likewise.
3091         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3092         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3093         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3094         record_dead_and_set_regs_1, get_last_value_validate,
3095         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3096         * cse.c (check_dependence, canon_hash, equiv_constant,
3097         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3098         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3099         count_reg_usage): Likewise.
3100         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3101         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3102         cselib_record_sets): Likewise.
3103         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3104         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3105         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3106         * df.c (df_uses_record): Likewise.
3107         * dojump (do_jump): Likewise.
3108         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3109         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3110         decl_start_label): Likewise.
3111         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3112         operand_subword, change_address_1, make_safe_from): Likewise.
3113         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3114         stabilize, force_not_mem): Likewise.
3115         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3116         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3117         * expr.c (convert_move, convert_modes, emit_block_move,
3118         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3119         emit_move_insn_1, expand_assignment, store_expr,
3120         store_constructor_field, store_constructor, store_field,
3121         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3122         Likewise.
3123         * final.c (cleanup_subreg_operands, alter_subreg,
3124         get_mem_expr_from_op): Likewise.
3125         * flow.c (notice_stack_pointer_modification_1,
3126         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
3127         Likewise.
3128         * function.c (mark_temp_addr_taken, preserve_temp_slots,
3129         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
3130         optimize_bit_field, flush_addressof, purge_addressof_1,
3131         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
3132         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
3133         keep_stack_depressed): Likewise.
3134         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
3135         noce_process_if_block, find_memory): Likewise.
3136         * integrate.c (subst_constants, allocate_initial_values): Likewise.
3137         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
3138         update_equiv_regs): Likewise.
3139         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
3140         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
3141         * optabs.c (expand_abs, emit_unop_insn): Likewise.
3142         * passes.c (rest_of_handle_final): Likewise.
3143         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
3144         move2add_note_store): Likewise.
3145         * ra-build.c (detect_remat_webs): Likewise.
3146         * ra-debug.c (dump_static_insn_cost): Likewise.
3147         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
3148         * recog.c (validate_change, apply_change_group, cancel_changes,
3149         validate_replace_rtx_1, general_operand, register_operand,
3150         nonmemory_operand, push_operand, pop_operand, memory_operand,
3151         indirect_operand, asm_operand_ok, offsettable_memref_p,
3152         offsettable_nonstrict_memref_p, constrain_operands,
3153         store_data_bypass_p): Likewise.
3154         * reg-stack.c (subst_stack_regs_pat): Likewise.
3155         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
3156         copy_cost, reg_scan_mark_refs): Likewise.
3157         * regmove.c (optimize_reg_copy_3, stack_memref_p,
3158         combine_stack_adjustments_for_block): Likewise.
3159         * regrename.c (copyprop_hardreg_forward_1): Likewise.
3160         * reload.c (can_reload_into, push_reload, decompose, immune_p,
3161         find_reloads, find_reloads_address, find_reloads_address_1,
3162         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
3163         find_equiv_reg): Likewise.
3164         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
3165         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
3166         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
3167         delete_address_reloads): Likewise.
3168         * resource.c (mark_referenced_resources): Likewise.
3169         * rtlanal.c (get_jump_table_offset, count_occurrences,
3170         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
3171         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
3172         num_sign_bit_copies1): Likewise.
3173         * rtlhooks.c (gen_lowpart_general): Likewise.
3174         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3175         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
3176         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3177         sdbout_global_decl): Likewise.
3178         * simplify-rtx.c (simplify_subreg): Likewise.
3179         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3180         expand_anon_union_decl, expand_end_case_type): Likewise.
3181         * unroll.c (calculate_giv_inc): Likewise.
3182         * var-tracking.c (stack_adjust_offset_pre_post,
3183         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3184         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3185         vt_add_function_parameters): Likewise.
3186         * varasm.c (make_var_volatile, notice_global_symbol,
3187         assemble_external, decode_addr_const, mark_weak,
3188         default_encode_section_info): Likewise.
3189
3190 2004-07-01  Steven Bosscher  <stevenb@suse.de>
3191
3192         * stmt.c (check_seenlabel): Remove.
3193         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3194
3195 2004-07-01  Richard Henderson  <rth@redhat.com>
3196
3197         * function.h (struct function): Remove x_function_call_count.
3198         (function_call_count): Remove.
3199         * calls.c (expand_call): Don't set it.
3200         * integrate.c (copy_rtx_and_substitute): Likewise.
3201
3202         * function.h (struct function): Remove x_cleanup_label.
3203         (cleanup_label): Remove.
3204         * stmt.c (expand_value_return): Don't use it.
3205         * function.c (free_after_compilation): Don't set it.
3206         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3207         * cfgexpand.c (tree_expand_cfg): Update call.
3208         * tree.h (expand_function_start): Update decl.
3209
3210 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3211
3212         PR c/1027
3213         * c-lang.c (c_initialize_diagnostics): Move from here ...
3214         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3215         (c_tree_printer): Use pretty-printer to format %T.
3216         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3217         before '*' if not C++.
3218         (pp_c_direct_abstract_declarator): Don't try to print array upper
3219         bound for flexible array members.
3220         * c-tree.h: Include "diagnostic.h".
3221         (c_initialize_diagnostics): Declare.
3222         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3223         * c-format.c (format_type_warning): New function.  Improve
3224         diagnostics for incorrect format argument types.
3225         (check_format_types): Use it.  Add two parameters.  Use the
3226         TYPE_MAIN_VARIANT of wanted_type.
3227         (check_format_info_main): Pass new parameters to
3228         check_format_types.
3229         (struct format_wanted_type): Update comment.
3230
3231 2004-07-01  Nick Clifton  <nickc@redhat.com>
3232
3233         * target.h (struct gcc_target): Add new field to struct cxx:
3234         import_export_class.
3235         * target-def.h (TARGET_CXX): Initialise the new field.
3236         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3237         the new field.
3238         * doc/tm.texi: Document the new target hook.
3239
3240 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3241
3242         * builtins.c (fold_builtin_classify): Fix typo.
3243
3244 2004-07-01  Richard Henderson  <rth@redhat.com>
3245
3246         * function.c (identify_blocks, identify_blocks_1): Remove.
3247         * function.h (identify_blocks): Remove.
3248         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3249
3250 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3251
3252         * builtins.c (fold_builtin_classify): New.
3253         (fold_builtin_unordered_cmp): Fix commentary.
3254         (fold_builtin): Use it.
3255         * builtins.def: Define builtins for isnan,
3256         isnanf, isnanl, finite, finitef, finitel,
3257         isinf, isinff, isinfl.
3258
3259 2004-07-01  Richard Henderson  <rth@redhat.com>
3260
3261         * function.h (struct function): Remove dont_emit_block_notes.
3262         * gimple-low.c (lower_function_body): Don't set it.
3263         * cfgexpand.c (expand_block): Don't check it.
3264         * cfglayout.c (insn_locators_initialize): Likewise.
3265         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3266         * passes.c (rest_of_compilation): Likewise.
3267         * stmt.c (expand_start_bindings_and_block): Likewise.
3268         (expand_end_bindings): Likewise.
3269
3270 2004-07-01  Richard Henderson  <rth@redhat.com>
3271
3272         * cgraph.h (cgraph_build_static_cdtor): Declare.
3273         * cgraphunit.c (cgraph_build_static_cdtor): New.
3274         * c-objc-common.c (build_cdtor): Use it.
3275         * coverage.c (create_coverage): Likewise.
3276         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3277         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3278
3279 See ChangeLog.11 for earlier changes.