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