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