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