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