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1 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2
3         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
4         Take orig_loop argument and pass it to set_level.
5         (schedule_sm): Pass the correct orig_loop to force_move_till.
6
7 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8
9         * cfgloop.c (update_latch_info): Update dominator of the new block.
10         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
11         info.
12         * dominance.c (verify_dominators): Check that the dominance tree is
13         connected.
14         (recount_dominator): Ignore unreachable blocks.
15         (iterate_fix_dominators): Cleanup old dominance information before
16         recomputing it.
17
18 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
19
20         * tree-ssa-operands.c (get_expr_operands): Revert changes
21         to ADDR_EXPR processing introduced by:
22             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
23             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
24
25 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
26
27         * doc/implement-c.texi: Add C90 subclause references.  Point to
28         preprocessor documentation instead of duplicating it.  Add points
29         only present in C90.  Fill in documentation for all points.
30
31 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
32
33         * pa.c (output_movb): Correct typo.
34
35 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
36
37         * ra.h (single_reg_in_regclass): Declare.
38         * ra.c (single_reg_in_regclass): Define.
39         (first_hard_reg): New.
40         (init_ra): Initialize single_reg_in_regclass.
41         * ra-colorize.c (ok_class): New.
42         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
43
44 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
45
46         * gcov-io.h: Allow zero tag as EOF indicator.
47         (gcov_is_eof): Remove.
48         (gcov_truncate): Remove.
49         * gcov-io.c (gcov_seek): Always SEEK_SET.
50         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
51         EOF tag.
52         * coverage.c (read_counts_file): Don't use gcov_is_eof.
53         * gcov-dump.c (dump_file): Likewise.
54         * gcov.c (read_graph_file, read_count_file): Likewise.
55
56         * c-decl.c (complete_array_type): Don't gratuitously copy
57         maxindex.  Check it always has a type.
58
59 2004-07-29  Steven Bosscher  <stevenb@suse.de>
60
61         * rtl.c (currently_expanding_to_rtl): New.
62         * rtl.h (currently_expanding_to_rtl): Export it.
63         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
64
65         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
66         inliner hack.
67         * config/sh/sh.c: Replace rtx_equal_function_value_matters
68         with currently_expanding_to_rtl.
69         * config/sh/sh.md: Likewise.
70         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
71
72 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
73
74         Introduce sh2a support.
75         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
76         * config.gcc: Build multilibs for sh2a and sh2a-single by
77         default.
78         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
79         default.  Split their tests out of the corresponding SH4
80         multilibs.
81         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
82         multilibs for SH2a.
83         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
84         * config.gcc: Handle sh2a multilibs and cpu selection.
85         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
86         * config/sh/t-mlib-sh2a: New.
87         * config/sh/t-mlib-sh2a-nofpu: New.
88         * config/sh/t-mlib-sh2a-single: New.
89         * config/sh/t-mlib-sh2a-single-only: New.
90         2004-07-09  Nick Clifton  <nickc@redhat.com>
91         Issue 43400
92         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
93         -ml and -m2a are used together.
94         2004-03-23  DJ Delorie  <dj@redhat.com>
95         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
96         when we have a double-sized FPU.
97         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
98         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
99         is set.
100         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
101         -msh2a-single and -msh2a-single-only
102         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
103         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
104         is set.
105         2004-02-20  DJ Delorie  <dj@delorie.com>
106         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
107         2004-02-20  Fred Fish <fnf@redhat.com>,
108         Corinna Vinschen <vinschen@redhat.com>
109         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
110         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
111         2004-02-18  DJ Delorie  <dj@redhat.com>
112         * config/sh/sh.c (broken_move): Add support for movi20.
113         * config/sh/sh.h: Likewise.
114         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
115         * config/sh/sh.md (udivsi3_sh2a): New.
116         (udivsi3): Call it.
117         (divsi3_sh2a): New.
118         (divsi3): Call it.
119         (mul_r): New.
120         (ashlsi3_sh2a): New.
121         (ashrsi3_sh2a): New.
122         (lshrsi3_sh2a): New.
123         (movsi_i): Disable for sh2a.
124         (movsi_ie): Add movi20.
125         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
126         sh2a, for -m2a-nofpu mode.
127         2004-02-13  DJ Delorie  <dj@redhat.com>
128         * config/sh/lib1funcs.asm: Handle double vs single better.
129         * config/sh/sh.h: Likewise.
130         2004-02-09  DJ Delorie  <dj@redhat.com>
131         * config/sh/crt1.asm: Add support for sh2a.
132         * config/sh/elf.h: Likewise.
133         * config/sh/lib1funcs.asm: Likewise.
134         * config/sh/sh.c: Likewise.
135         * config/sh/sh.md: Likewise.
136         * config/sh/sh.h: Likewise.
137         * config/sh/t-sh: Likewise.
138
139 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
140
141         * config/frv/frv.md (movqi_internal, movhi_internal,
142         movsi_internal): Add backup alternatives for memory inputs.
143
144 2004-07-28  Matt Austern  <austern@apple.com>
145
146         * config/darwin.c (darwin_one_byte_bool): New global variable.
147         * config/darwin.h (darwin_one_byte_bool): Declare.
148         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
149         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
150         value of darwin_one_byte_bool.
151         * doc/invoke.texi: Document -mone-byte-bool flag.
152         
153 2004-07-28  Eric Christopher  <echristo@redhat.com>
154
155         * c-common.c (c_common_unsafe_for_reeval): Delete.
156         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
157         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
158         * calls.c (fix_unsafe_tree): Delete.
159         (expand_call): Delete code which used above.
160         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
161         * expr.c (expand_expr_real_1): Ditto.
162         * fold-const.c (non_lvalue): Ditto.
163         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
164         (lhd_unsafe_for_reeval): Ditto.
165         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
166         * langhooks.h (unsafe_for_reeval): Ditto.
167         (unsave_expr_now): Adjust comment.
168         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
169         (estimate_num_insns_1): Ditto.
170         * tree-pretty-print.c (dump_generic_node): Ditto.
171         * tree.c (expr_align): Ditto.
172         (unsave_expr): Delete.
173         (unsafe_for_reeval): Ditto.
174         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
175         * tree.def (UNSAVE_EXPR): Delete.
176         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
177
178 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
179
180         * tree.h (enum tls_model): Move ...
181         * coretypes.h: ... here.
182
183 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
184
185         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
186
187 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
188
189         * cse.c (validate_canon_reg): New function, split out from...
190         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
191
192 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
193
194         * tree-ssa-alias.c (maybe_create_global_var): Don't just
195         return if .GLOBAL_VAR has been created.
196
197 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
198
199         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
200         every variable that may have aliases, not just tags.
201
202 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
203
204         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
205         move_from_CR_eq_bit.
206         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
207
208
209         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
210         e500_flip_eq_bit.
211
212         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
213         output_e500_flip_eq_bit.
214
215         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
216         output_e500_flip_eq_bit.
217         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
218         output_e500_flip_eq_bit.
219         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
220         (print_operand): case D.  Get to EQ bit.
221
222 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
223
224         * gcov.c (function_summary): Add missing \n.
225
226 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
227
228         Introduce sh4a support.
229         * config.gcc: Handle sh4a multilibs and cpu selection.
230         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
231         * config/sh/t-mlib-sh4a: New.
232         * config/sh/t-mlib-sh4al: New.
233         * config/sh/t-mlib-sh4a-nofpu: New.
234         * config/sh/t-mlib-sh4a-single: New.
235         * config/sh/t-mlib-sh4a-single-only: New.
236         2004-02-20  DJ Delorie  <dj@redhat.com>
237         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
238         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
239         2003-08-22  Eric Christopher  <echristo@redhat.com>
240         * config/sh/sh4a.md: Update for chip errata.
241         2003-08-07  Eric Christopher  <echristo@redhat.com>
242         * config/sh/sh4a.md: New file. sh4a processor description.
243         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
244         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
245         of -m4a-nofpu.
246         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
247         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
248         * doc/invoke.texi (SH Options): Document -m4al.
249         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
250         * config/sh/sh.c (expand_block_move): Remove commented-out code
251         checked in by mistake.
252         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
253         single elements from SFmode vectors.
254         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
255         register.
256         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
257         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
258         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
259         sh_fsca_int2sf): Remove variable declarations.
260         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
261         sh_fsca_int2sf): New functions.
262         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
263         sh_fsca_int2sf_rtx): New static variables.
264         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
265         sh_fsca_int2sf): Declare.
266         * config/sh/sh.md: Adjust.
267         * doc/invoke.texi (SH Options): Document new options.
268         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
269         compatibility from SH4 code.
270         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
271         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
272         early.
273         (memory_movsrc_operand): Renamed to...
274         (unaligned_load_operand): ... this.  Simplified.
275         * config/sh/sh.h (PREDICATE_CODES): Adjust.
276         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
277         input operand to SImode, and adjust the others.  Introduce
278         post-increment by peephole.
279         * config/sh/sh.c (expand_block_move): Give the target address the
280         same mode as the temp reg.
281         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
282         copying.
283         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
284         Introduce support for SH4a.
285         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
286         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
287         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
288         sh_fsca_int2sf): New.
289         (sh_init_builtins): Initialize them.
290         (print_operand): Support `d'.
291         (expand_block_move): Use movua if src is misaligned.
292         (memory_movsrc_operand): New.
293         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
294         and one of the SH4 macros.
295         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
296         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
297         SELECT_SH4A_SINGLE): New.
298         (TARGET_NONE): Add SH4A_BIT.
299         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
300         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
301         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
302         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
303         (enum processor_type): Added PROCESSOR_SH4A.
304         (PREDICATE_CODES): Add memory_movsrc_operand.
305         * config/sh/sh.md: Removed unused variables.
306         (attr cpu): Add sh4a.
307         (attr type): Add movua, fsrra and fsca.
308         (prefetch): New, for SH4.
309         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
310         (toggle_sz): Set type to fp.
311         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
312         (movua, extv, extzv): New.
313         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
314         and 4a-single-only.
315
316 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
317
318         * tree-optimize.c (init_tree_optimization_passes): Schedule
319         pass_may_alias right after the program is renamed into SSA.
320         * tree-pass.h (PROP_alias): Define.
321         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
322         * tree-sra.c (pass_sra): Likewise.
323         * tree-ssa-ccp.c (pass_ccp): Likewise.
324         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
325         * tree-ssa-dce.c (pass_dce): Likewise.
326         * tree-ssa-dom.c (pass_dominator): Likewise.
327         * tree-ssa-dse.c (pass_dse): Likewise.
328         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
329         * tree-ssa-loop-ch.c (pass_ch): Likewise.
330         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
331         * tree-ssa-pre.c (pass_pre): Likewise.
332         * tree-tailcall.c (pass_tail_recursion): Likewise.
333         * tree-ssa.c (pass_redundant_phi): Likewise.
334         * tree-ssa-alias.c (aliases_computed_p): Remove.
335         Update all users.
336         (init_alias_info): Do not mark all type tags for renaming
337         unconditionally.
338         Clear may_aliases from every symbol.
339         (setup_pointers_and_addressables): If a pointer has not been
340         dereferenced and it had a type tag, clear it and mark the old
341         tag for renaming.
342
343 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
344
345         PR tree-optimization/16705
346         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
347         .GLOBAL_VAR.
348
349 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
350
351         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
352         check.
353
354         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
355         don't make another one.
356
357         PR optimization/15077
358         * function.h (struct function): Add field saved_static_chain_decl.
359         Fix comment for static_chain_decl.
360         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
361         * tree-inline.h (save_body): Add new arg.
362         * tree-optimize.c (tree_rest_of_compilation): Handle saving
363         static_chain_decl.
364
365 2004-07-27  Richard Henderson  <rth@redhat.com>
366
367         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
368         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
369         is_gimple_addressable.
370         * tree-gimple.c (is_gimple_addressable): Rename from
371         is_gimple_addr_expr_arg; accept INDIRECT_REF.
372         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
373         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
374         rename to is_gimple_addressable.
375
376 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
377
378         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
379
380 2004-07-27  Richard Henderson  <rth@redhat.com>
381
382         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
383         before rounding.
384
385 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
386
387         * libgcc2.c: Change all conditionals testing
388         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
389         * libgcc2.h: Likewise.
390         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
391         TYPE_PRECISION of float80_type to 80.
392         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
393         of fpreg_type and float80_type to 80.
394         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
395         * config/m68k/netbsd-elf.h:
396         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
397         to evaluate to 80 whenever they would formerly have evaluated to 96.
398         * config/i386/sco5.h: Remove unnecessary redefinition of
399         LONG_DOUBLE_TYPE_SIZE.
400         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
401         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
402         XFmode, with a bitsize of 80.  Update commentary.
403         * config/ia64/ia64-modes.def: Likewise.
404         * config/m68k/m68k-modes.def: Likewise.
405
406 2004-07-27  Steven Bosscher  <stevenb@suse.de>
407
408         * cfgexpand.c (tree_expand_cfg): Fix comment.
409
410         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
411         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
412         Remove.
413         (prepare_function_start): Don't set rtx_equal_function_value_matters.
414         * integrate.c (copy_rtx_and_substitute): Don't test for it.
415         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
416         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
417         here again.  Update leading comment.
418         * rtl.c (rtx_equal_function_value_matters): Remove.
419         (rtx_equal_p): Don't test for it.
420         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
421         Likewise.
422
423         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
424         * rtl.c (note_insn_name): Likewise.
425         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
426         * final.c (final_scan_insn): Likewise.
427
428         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
429         * passes.c (rest_of_handle_eh): Do it here.
430
431         * stmt.c (struct nesting): Remove struct nesting block member.
432         (struct stmt_status): Remove x_block_start_count field.
433         (current_block_start_count): Remove.
434
435 2004-07-27  Brian Booth  <bbooth@redhat.com>
436
437         * tree-optimize.c (register_one_dump_file): Update condition that uses
438         static_pass_number.
439         (dup_pass_1): Replace with...
440         (next_pass_1): This.
441         (NEXT_PASS): Call next_pass_1.
442         (DUP_PASS): Remove.
443         (init_tree_optimization_passes): Remove uses of DUP_PASS.
444         (execute_one_pass): Update condition that uses
445         static_pass_number.
446         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
447         integer.
448
449 2004-07-27  Nick Clifton  <nickc@redhat.com>
450
451         * config/m32r/m32r.c: Include integrate.h in order to get the
452         prototype for get_hard_reg_initial_val().
453
454         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
455         and tidy up indentation.
456         (final_presence_set): Use absence_set instead, so that if there is
457         nothing in the "o" pipe the "s" pipe can be scheduled.
458
459 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
460
461         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
462         don't have PT_VARS nor PT_MALLOC set.
463         Clear name tag from pointers that have not been dereferenced.
464         (set_pt_anything, set_pt_malloc): Forward declare.
465         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
466         not type compatibility when determining if a pointer can be
467         copy propagated.
468
469 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
470
471         * expr.h (canonicalize_condition, get_condition): Add an int argument.
472         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
473         it to check whether the condition is still valid at the jump insn.
474         * ifcvt.c (noce_get_condition): Likewise.
475         (noce_get_alt_condition): Update call to canonicalize_condition.
476         * loop-iv.c (simplify_using_initial_values): Update call to
477         get_condition.  Remove FIXME.
478         (check_simple_exit): Update call to get_condition.
479         * loop-unswitch.c (may_unswitch_on): Likewise.
480         * loop.c (check_dbra_loop): Likewise.
481         (canonicalize_condition, get_condition): Add an argument to say whether
482         the condition must still be valid at INSN.
483         (get_condition_for_loop): Update call to get_condition.  Require that
484         the condition be valid at INSN.
485         * predict.c (estimate_probability): Update call to get_condition.
486         Remove unused earliest parameter.
487         (expected_value_to_br_prob): Update call to canonicalize_condition.
488
489 2004-07-26  Eric Christopher  <echristo@redhat.com>
490
491         * tree-dfa.c (add_referenced_var): Register initializers of global
492         variables.
493
494 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
495
496         * config/i386/i386.c (function_arg): Always treat 8-
497         and 16-byte wide vectors the same, even if MMX/SSE
498         are disabled.
499         (contains_128bit_aligned_vector_p): Add comment.
500
501 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
502
503         * ra.h (enum node_type): Rename to:
504         (enum ra_node_type).
505         * ra-colorize.c: Likewise.
506
507 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
508
509         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
510         after simplifying the jump.
511
512 2004-06-26  Richard Henderson  <rth@redhat.com>
513
514         * calls.c (combine_pending_stack_adjustment_and_call): Make
515         preferred_unit_stack_boundary argument unsigned.  Make
516         unadjusted_alignment unsigned.
517         (expand_call): Make preferred_stack_boundary and
518         preferred_unit_stack_boundary variables unsigned.
519         * function.c (assign_stack_local_1): Make alignment unsigned.
520         * function.h (struct function): Make stack_alignment_needed,
521         preferred_stack_boundary unsigned.
522         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
523         (ix86_compute_frame_layout): Make stack_alignment_needed,
524         preferred_alignment variables unsigned.
525         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
526
527 2004-07-26  Tom Tromey  <tromey@redhat.com>
528
529         * tree.h: Fix typo in comment.
530
531 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
532
533         PR bootstrap/12804
534         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
535         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
536         (ggc_free): Remove incorrect freeing.
537         (sweep_pages): Advance PP for large pages.  Fix indentation.
538
539 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
540
541         PR rtl-optimization/16643
542         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
543         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
544         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
545         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
546         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
547         * function.c (thread_prologue_and_epilogue_insns): Likewise.
548         * rtl.h (tracer): Add a flags parameter.
549         * tracer.c (tracer): Pass it to cfg_layout_initialise.
550         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
551         (rest_of_handle_reorder_blocks): Update calls to tracer and
552         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
553         (rest_of_handle_tracer): Pass 0 to tracer.
554         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
555
556 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
557
558         PR target/16239
559         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
560         f->f.
561
562 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
563
564         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
565         (BINFO_BASE_ACCESS): Adjust.
566         (BINFO_BASE_ACCESS_APPEND): New.
567         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
568         * dbxout.c (dbxout_type): Adjust binfo access accessing.
569         * dwarf2out.c (gen_member_die): Likewise.
570         * tree-dump.c (deque_and_dump): Likewise.
571
572 2004-07-26  Falk Hueffner  <falk@debian.org>
573
574         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
575         costs.
576
577 2004-07-25  Roger Sayle  <roger@eyesopen.com>
578
579         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
580         value off of the stack if TARGET_USE_FFREEP.
581
582 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
583
584         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
585         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
586         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
587         check on invocation of XRESIZEVEC ().
588
589 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
590
591         * c-common.c (disable_builtin_function): Rename variable n to
592         new_disabled_builtin.
593         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
594         Rename local variable old to old_decl.
595         * gensupport.c (shift_output_template): Rename parameter old to src.
596         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
597         old_rtx and newx to new_rtx.
598
599 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
600
601         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
602         of c-pragma.h.
603         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
604         enum cpp_ttype.
605         * c-lex.c: Likewise.
606
607 2004-07-25  Roger Sayle  <roger@eyesopen.com>
608
609         * fold-const.c (constant_boolean_node): Make extern.
610         (make_range): Wrap long lines.
611         (fold_cond_expr_with_comparison): Remove unnecessary call to
612         pedantic_non_lvalue.  Add missing calls to fold_convert.
613         (fold_truthop): Add missing calls to fold_convert.
614         (fold): Likewise.
615         * tree.h (constant_boolean_node): Add prototype here.
616         * builtins.c (expand_builtin_strncmp): Add missing calls to
617         fold_convert.
618         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
619         Call fold_convert and constant_boolean_node to correct types.
620         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
621         missing call to fold_convert to correct types.
622
623 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
624             Brian Ryner  <bryner@brianryner.com>
625
626         PR c++/9283
627         PR c++/15000
628         * c-common.c (c_common_attribute_table): Allow
629         handle_visibility_attribute to be called for types.
630         (handle_visibility_attribute) When given a type, set the visibility
631         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
632         so that we can check later whether the attribute was present. Added
633         warning if attribute applied to non class type.
634         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
635         decls and checking that they are consistent.
636         * common.opt: Added -fvisibility.
637         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
638         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
639         * flags.h, tree.h: Added assorted support defines for overall patch
640         * opts.c: Added parsing support for -fvisibility.
641         * tree.c (build_decl): Set visibility for all decls to be whatever
642         is in force at that time.
643         * varasm.c (default_binds_local_p_1): Reworked logic determining
644         when to make a symbol locally bound.
645         * doc/invoke.texi: Added documentation for -fvisibility and
646         -fvisibility-inlines-hidden.
647
648 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
649
650         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
651         * c-common.c: Add missing casts from void * to other types.
652         * c-decl.c: Likewise.
653         * c-format.c: Likewise.
654         * c-lex.c: Likewise.
655         * c-pragma.c: Likewise.
656         * c-typeck.c: Likewise.
657         * defaults.h: Likewise.
658         * genconstants.c: Likewise.
659         * gengtype-lex.l: Likewise.
660         * genmodes.c: Likewise.
661         * read-rtl.c: Likewise.
662         * rtl.c: Likewise.
663
664 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
665
666         * bitmap.c: Use type-safe memory allocation macros from libiberty.
667         * c-common.c: Likewise.
668         * c-decl.c: Likewise.
669         * c-lang.c: Likewise.
670         * c-lex.c: Likewise.
671         * c-opts.c: Likewise.
672         * c-parse.in: Likewise.
673         * c-typeck.c: Likewise.
674         * genconditions.c: Likewise.
675         * gengtype-lex.l: Likewise.
676         * gengtype-yacc.y: Likewise.
677         * gengtype.c: Likewise.
678         * genmodes.c: Likewise.
679         * gensupport.c: Likewise.
680         * read-rtl.c: Likewise.
681         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
682         htab_find_slot().
683
684 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
685
686         * c-decl.c (groktypename, groktypename_in_param_context): Rename
687         variable typename to type_name.
688         * c-lex.c (interpret_float): Likewise.
689
690 2004-07-25  Roger Sayle  <roger@eyesopen.com>
691
692         * convert.c (convert_to_real, convert_to_integer,
693         convert_to_complex): Replace calls to build with calls to buildN.
694         * coverage.c (tree_coverage_counter_ref): Likewise.
695         * dojump.c (do_jump): Likewise.
696         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
697         * emit-rtl.c (component_ref_for_mem_expr,
698         set_mem_attributes_minus_bitpos): Likewise.
699         * explow.c (update_nonlocal_goto_save_area): Likewise.
700         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
701         expand_mult_add): Likewise.
702         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
703         store_constructor, get_inner_reference, expand_expr_real_1,
704         try_casesi, try_tablejump): Likewise.
705         * function.c (expand_function_start): Likewise.
706         * stmt.c (emit_case_bit_tests, expand_end_case_type,
707         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
708         * stor-layout.c (place_union_field, layout_type): Likewise.
709         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
710         * varasm.c (copy_constant): Likewise.
711
712 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
713
714         * c-common.c: Rename all identifiers named `new'.
715         * c-decl.c: Likewise.
716         * gensupport.c: Likewise.
717         * simplify-rtx.c: Likewise.
718         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
719         with XNEW().
720         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
721         with XNEWVEC().
722
723 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
724
725         PR c/15360
726         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
727         declarations until after calling pushdecl.
728         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
729         "extern" and not on whether the declaration is initialized.
730
731 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
732
733         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
734         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
735         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
736         "cpplib.h", "c-pragma.h", "c-common.h".
737         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
738         (solaris_register_pragmas): New functions.
739         * config/sol2-protos.h: New file.
740         * config/sol2.c: New file.
741         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
742         (REGISTER_TARGET_PRAGMAS): New macros.
743         (solaris_pending_aligns, solaris_pending_inits)
744         (solaris_pending_finis): New variables.
745         * config/t-sol2 (sol2-c.o): Update dependencies.
746         (sol2.o): New rule.
747         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
748         SUBTARGET_INSERT_ATTRIBUTES.
749         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
750         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
751         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
752         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
753         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
754         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
755         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
756         * config/sparc/sparc.c (sparc_attribute_table): New.
757         (TARGET_INSERT_ATTRIBUTES): Define in terms of
758         SUBTARGET_INSERT_ATTRIBUTES.
759         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
760         is defined.
761         * doc/extend.texi (Solaris Pragmas): New section.
762
763 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
764
765         * c-common.c: Rename all identifiers named `class' to `cl'.
766         * c-common.h: Likewise.
767         * c-parse.in: Likewise.
768         * c-typeck.c: Likewise.
769         * genmodes.c: Likewise.
770         * real.c: Likewise.
771         * real.h: Likewise.
772         * recog.c: Likewise.
773         * recog.h: Likewise.
774         * regrename.c: Likewise.
775         * tree.h: Likewise.
776         * c-common.c (builtin_function_2): Change type of 5th parameter from
777         int to enum built_in_function. Change type of 8th parameter from int
778         to bool.
779         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
780         with GGC_CNEW().
781         * c-typeck.c (convert_arguments): Change type of formal_prec from
782         int to unsigned int.
783         * genmodes.c (blank_mode): Make a few negative constants unsigned.
784         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
785         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
786         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
787         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
788         iterator to for_all_modes () instead of an enum because enums can't
789         be incremented in C++.
790
791
792 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
793
794         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
795         hard registers.
796
797 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
798
799         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
800         Handle ARRAY_RANGE_REF like ARRAY_REF.
801
802 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
803
804         * c-typeck.c (digest_init): Don't allow arrays of signed or
805         unsigned variants of wchar_t to be initialized by wide string
806         constants.  Do allow arrays of enumerated types compatible with
807         wchar_t to be initialized by wide string constants.  Refine tests
808         distinguishing wide and narrow strings and arrays.  Give specific
809         error for arrays of other integer types initialized by string
810         constants.
811         (output_init_element, process_init_element): Check for
812         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
813         initializing with string constants.
814
815 2004-07-25  Richard Henderson  <rth@redhat.com>
816
817         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
818         on the RESULT_DECL.
819         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
820         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
821         DECL_IGNORED_P to new decl.
822
823 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
824
825         * config/ia64/ia64.c (general_xfmode_operand)
826         (destination_xfmode_operand): Delete.
827         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
828         * config/ia64/ia64.md (*movxf_internal): Use general_operand
829         and destination_operand.
830
831 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
832
833         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
834         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
835
836 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
837             Zack Weinberg  <zack@codesourcery.com
838
839         PR 16684
840         * c-decl.c (diagnose_mismatched_decls): Don't issue a
841         redundant-declaration warning the first time a builtin is
842         declared explicitly.
843
844 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
845
846         * tree.h (staticp): Change return type to bool.
847
848 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
849
850         * c-common.c (c_staticp): Last episode of the staticp saga.
851
852 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
853
854         * c-common.h (c_staticp): Change return type from int to bool.
855         * tree.c (staticp): Likewise.
856         * langhooks.h (staticp): Likewise.
857
858 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
859
860         * langhooks-def.h (lhd_staticp): Change return type from int to
861         bool in prototype to match definition.
862
863 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
864
865         * system.h (bool, true, false): Don't redefine as preprocessor macros
866         in C++.
867
868 2004-07-24  Roger Sayle  <roger@eyesopen.com>
869
870         * expmed.c (init_expmed): A signed modulus by a power of two is
871         considered cheap if its less than or equal to four instructions.
872
873 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
874
875         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
876         GGC_CNEWVAR): New macros.
877
878 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
879
880         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
881         lists.
882         * c-decl.c: Likewise.
883         * c-format.c: Likewise.
884         * c-lex.c: Likewise.
885         * c-opts.c: Likewise.
886         * c-pragma.c: Likewise.
887         * c-typeck.c: Likewise.
888         * gencheck.c: Likewise.
889         * genconditions.c: Likewise.
890         * genconfig.c: Likewise.
891         * genflags.c: Likewise.
892         * gengtype.c: Likewise.
893         * gensupport.c: Likewise.
894         * ggc-none.c: Likewise.
895         * langhooks.c: Likewise.
896         * statistics.h: Likewise.
897         * stub-objc.c: Likewise.
898         * java/decl.c: Likewise.
899
900 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
901
902         * config/m68k/m68k.c (output_scc_di): Fix coding style.
903         (symbolic_operand): Fix prototype.
904         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
905         * config/m68k/m68k.md: Add constants for registers a0 and sp and
906         use them, change from the "{...}" syntax to the simpler {...}
907         syntax.
908         (*cfv4_extendqisi2): Fix destination predicate.
909         * config/m68k/m68k-protos.h: Remove various declarations also
910         generated via PREDICATE_CODES.
911
912 2004-07-23  Mike Stump  <mrs@apple.com>
913
914         * c-typeck.c (convert_for_assignment): Tightened up pointer
915         converstions that differ in signedness.
916
917 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
918
919         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
920
921 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
922
923         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
924         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
925
926         * gimplify.c (gimplify_compound_lval): Check for no handled
927         operations, rather than checking for explicit list of nodes.
928         (is_gimple_addr_expr_arg_or_indirect): New function.
929         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
930         redundant setting of TREE_INVARIANT.
931         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
932         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
933
934 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
935
936         PR tree-optimization/16688
937         PR tree-optimization/16689
938         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
939         unnecessary initialization of 'tag'.
940         (get_tmt_for): Check that the new type tag has the same alias
941         set as the pointed-to type.
942         (group_aliases): Only regular variables need to be removed
943         from the alias set of a name tag.
944         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
945         propagation if the two types are not compatible.
946         (merge_alias_info): Rename from replace_ssa_names_ann.
947         Add more checking.
948         (replace_exp_1): If both arguments are SSA_NAMEs, check that
949         the propagation can be done.
950         Only call merge_alias_info on pointers.
951         (propagate_value): Likewise.
952         * tree-ssa-copyrename.c: Include langhooks.h.
953         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
954         to do the merging.
955         Do not coalesce variables with incompatible types.
956         (rename_ssa_copies): Call replace_ssa_name_symbol.
957         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
958         the same type as the underlying _DECL.
959         * tree-ssanames.c (replace_ssa_name_symbol): New function.
960         * tree.h (replace_ssa_name_symbol): Declare.
961
962 2004-07-23  Richard Henderson  <rth@redhat.com>
963
964         PR c++/16277
965         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
966         unshare it properly.
967         (gimplify_modify_expr_rhs): Push assignment from a conditional into
968         the conditional for all non-register types.
969
970 2004-07-23  Richard Henderson  <rth@redhat.com>
971
972         * expr.c (expand_expr_real_1): Don't handle non-local variables.
973         * expr.h (fix_lexical_addr): Remove.
974         * function.c (NEED_SEPARATE_AP): Remove.
975         (fix_lexical_addr): Remove.
976         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
977         not null decl_function_context.
978         (create_alias_vars): Likewise.
979         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
980         (simple_goto_p): Likewise.
981         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
982         * tree-ssa-ccp.c (get_default_value): Likewise.
983         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
984         * tree.c (needs_to_live_in_memory): Likewise.
985         * tree-flow-inline.h (may_be_aliased): Move...
986         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
987         when TREE_STATIC variables may be addressable.
988
989 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
990
991         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
992
993 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
994
995         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
996         bitmap contents if GENERATOR_FILE is defined.
997         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
998         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
999
1000 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1001
1002         * c-decl.c (start_function): Form composite type of function types
1003         rather than copying type from previous prototype declaration.
1004
1005 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
1006
1007         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
1008         the const qualifier for the second argument in the C++ functions.
1009
1010         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
1011         specific pointer types.
1012
1013         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
1014         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
1015         for vector bool and/or vector pixel, add C++ and C missing support.
1016         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
1017         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
1018         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
1019         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
1020         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
1021         missing C++ and C support for vector bool and/or vector pixel.
1022         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
1023         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
1024         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
1025         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
1026         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
1027         C++ and C types used for vector bool and/or vector pixel.
1028         (vec_st, vec_stl): Add C++ support for vector pixel.
1029         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
1030         (vec_all_ne): Add C++ support for vector pixel.
1031
1032         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
1033         (vec_vmulesb): Add missing C++ function.
1034         (vec_perm): Fix type of third argument in C++ function.
1035         (vec_vsum4shs): Fix C++ function name.
1036         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
1037         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
1038         argument passed to the error handler in C macro.
1039         (vec_nmsub): Remove extra parens around argument names in C macro.
1040         (vec_packpx): Add missing parens in C macro.
1041
1042 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1043
1044         * machmode.def: Remove vector modes.
1045         * config/alpha/alpha-modes.def: Add supported vector modes.
1046         * config/arm/arm-modes.def: Likewise.
1047         * config/frv/frv-modes.def: Likewise.
1048         * config/i386/i386-modes.def: Likewise.
1049         * config/rs6000/rs6000-modes.def: Likewise.
1050         * config/sh/sh-modes.def: Likewise.
1051
1052 2004-07-23  Matthias Klose  <doko@debian.org>
1053
1054         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
1055         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
1056         * config.h: Regenerate.
1057         * configure: Likewise.
1058
1059 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
1060
1061         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
1062         generated SYMBOL_REFs for labels.
1063         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
1064         Change prototype.
1065         (machopic_stub_name): Remove.
1066         (machopic_indirection_name): New function.
1067         (machopic_mcount_stub_name): Likewise.
1068         (machopic_classify_name): Remove.
1069         (machopic_function_base_sym): New function.
1070         (machpoic_classify_symbol): Likewise.
1071         (machopic_classify_ident): Remove.
1072         (machopic_define_ident): Likewise.
1073         (machopic_define_name): Likewise.
1074         (machopic_name_defined_p): Likewise.
1075         (machopic_ident_defined_p): Likewise.
1076         (darwin_strip_name_encoding): Likewise.
1077         (machopic_define_symbol): New function.
1078         * config/darwin.c (hashtab.h): Include.
1079         (machopic_defined_list): Remove.
1080         (machopic_classify_ident): Likewise.
1081         (machopic_classify_name): Likewise.
1082         (machopic_ident_defined_p): Likewise.
1083         (machopic_define_ident): Likewise.
1084         (machopic_define_name): Likewise.
1085         (machopic_symbol_defined_p): New function.
1086         (machopic_classify_symbol): Likewise.
1087         (machopic_data_defined_p): Use machopic_classify_symbol.
1088         (machopic_define_symbol): New function.
1089         (machopic_function_base_sym): New function.
1090         (machopic_non_lazy_pointers): Remove.
1091         (machopic_non_lazy_ptr_name): Likewise.
1092         (machopic_stubs): Likewise.
1093         (machopic_stub_name): Likewise.
1094         (NON_LAZY_POINTER_SUFFIX): New macro.
1095         (STUB_SUFFIX): Likewise.
1096         (machopic_indirection): New structure.
1097         (machopic_indirections): New variable.
1098         (machopic_indirection_hash): New function.
1099         (machopic_indirection_eq): Likewise.
1100         (machopic_indirection_name): Likewise.
1101         (machopic_mcount_stub_name): New function.
1102         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
1103         hash table.
1104         (machopic_indirect_data_reference): Rework to use new functions.
1105         (machopic_indirect_call_target): Likewise.
1106         (machopic_legitimize_pic_address): Likewise.
1107         (machopic_output_indirection): New function.
1108         (machopic_finish): Use it.
1109         (machopic_operand_p): Rework to use new functions.
1110         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
1111         (darwin_strip_name_encoding): Remove.
1112         (update_non_lazy_ptrs): Remove.
1113         (update_stubs): Likewise.
1114         (darwin_non_lazy_pcrel): Use new functions.
1115         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1116         (ASM_OUTPUT_LABELREF): Likewise.
1117         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1118         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
1119         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
1120         (TARGET_STRIP_NAME_ENCODING): Do not use
1121         darwin_strip_name_encoding.
1122         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
1123         darwin_strip_name_encoding.
1124         * config/i386/darwin.h (FUNCTION_PROFILER): Use
1125         machopic_mcount_stub_name.
1126         * config/i386/i386.c (x86_output_mi_thunk): Use
1127         machopic_indirection_name, not machopic_stub_name.
1128         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
1129         machopic_function_base_sym.
1130         (print_operand): Use machopic_classify_symbol.
1131         (rs6000_emit_prologue): Use machopic_function_base_sym.
1132         (output_profile_hook): Do not use machopic_stub_name.
1133         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
1134
1135 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1136
1137         PR c/7284
1138         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
1139         as multiplication.
1140
1141 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1142
1143         * doc/implement-c.texi: New file.
1144         * doc/extend.texi (C Implementation): Move to there.
1145         * doc/gcc.texi: Include implement-c.texi.
1146         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
1147
1148 2004-07-22  Jason Merrill  <jason@redhat.com>
1149
1150         * integrate.c (copy_decl_for_inlining): Remove invisible reference
1151         handling.
1152         * tree-inline.c (setup_one_parameter): Likewise.
1153
1154 2004-07-22  Brian Booth  <bbooth@redhat.com>
1155
1156         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
1157         (substitute_and_fold): Propigate into VUSE operands when possible.
1158         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
1159         (cp_lattice_meet): Handle merging of latticevalues when
1160         UNKNOWN_VAL is present.
1161         (visit_stmt): Visit assignments with V_MUST_DEFs.
1162         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
1163         (ccp_fold): Deal with RHS' that are constant and virtual.
1164         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
1165         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
1166         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
1167         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
1168         computing immediate uses.
1169         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
1170         transition.
1171         (replace_vuse_in): New function.
1172         (likely_value): Add check of vuse operands.
1173         (get_default_value): Set the default value of virtually defined
1174         variables to UKNOWN_VAL instead of VARYING.
1175
1176 2004-07-22  Richard Henderson  <rth@redhat.com>
1177
1178         * expr.c (emit_push_insn): Don't use set_mem_attributes.
1179
1180 2004-07-22  Richard Henderson  <rth@redhat.com>
1181
1182         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
1183         variables due to conditional compilation.
1184
1185 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1186
1187         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
1188         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
1189         Release SSA names that have been re-renamed.
1190         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
1191         variable.
1192         * tree-ssa-alias.c (init_alias_info): If aliases have been
1193         computed before, clear existing alias information.
1194         (create_name_tags): Do no fixup PT_ANYTHING pointers.
1195         If the new name tag for a pointer is different than the one it
1196         had before, mark the old tag for renaming.
1197         (replace_may_alias): New function.
1198         (group_aliases): Call it.
1199         (setup_pointers_and_addressables): Always call get_tmt_for.
1200         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
1201         once.
1202         (set_pt_anything): New local function.
1203         (set_pt_malloc): New local function.
1204         (merge_pointed_to_info): Don't merge pointed-to variables from
1205         the original pointer if the destination is pointing to an
1206         unknown location.
1207         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
1208         (add_pointed_to_var): Do not add a variable to the points-to
1209         set if the pointer is already pointing to anywhere.
1210         (collect_points_to_info_r): If the defining statement is a PHI
1211         node, only merge pointed-to information if the argument has
1212         already been visited.
1213         (get_tmt_for): Only create a new tag if the pointer didn't
1214         have one already.
1215         (dump_alias_info): Emit more information.
1216         (dump_points_to_info_for): Likewise.
1217         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
1218         try to get the annotation of an SSA_NAME.
1219         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
1220         alias sets when checking is enabled.
1221         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
1222         (eliminate): Mark basic blocks that will need
1223         EH information cleaned up.
1224         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
1225         predecessor.
1226         Initialize need_eh_cleanup.
1227         (fini_pre): Call tree_purge_all_dead_eh_edges and
1228         cleanup_tree_cfg if needed.
1229         Free need_eh_cleanup.
1230         * tree-ssa.c (verify_ssa_name): New function.
1231         (verify_def): Call it.
1232         Re-arrange to avoid printing too many error messages.
1233         (verify_use): Likewise.
1234         (verify_phi_args): Likewise.
1235         (verify_flow_insensitive_alias_info): New function.
1236         (verify_flow_sensitive_alias_info): New function.
1237         (verify_alias_info): New function.
1238         (verify_ssa): Call verify_alias_info.
1239         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
1240         program.
1241         Re-arrange to avoid printing too many error messages.
1242         * tree-ssanames.c (make_ssa_name): Clear
1243         SSA_NAME_IN_FREE_LIST.
1244         (release_ssa_name): Never release a default definition.
1245         (release_defs): New function.
1246         * tree.h: Declare it.
1247         * tree-ssa-dce.c (remove_dead_stmt): Call it.
1248
1249 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1250
1251         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
1252         If true, do a depth-first search.  Do a breadht-first search,
1253         otherwise.
1254         (walk_use_def_chains): Add new argument IS_DFS.
1255         Update all users.
1256         * tree-flow.h (walk_use_def_chains): Update prototype.
1257
1258 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
1259
1260         * config/cris/cris.md: Tweak formatting.
1261         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
1262         (mover2side, moverside, movemside, movei, op3, andu): Replace
1263         live define_peephole:s with define_peephole2 near-equivalents.
1264         Delete the rest.
1265         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
1266         word-size modes.
1267         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1268         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
1269         "*mov_sidesi_mem" respectively.
1270
1271 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1272
1273         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
1274         (gimplify_build1): Move from tree-complex.c do_unop.
1275         (gimplify_build2): Move from tree-complex.c do_binop.
1276         (gimplify_build3): New.
1277         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
1278         Adjust throughout to call the functions above.
1279         * tree-flow.h: Declare the functions above.
1280         * tree-nested.c (gimplify_val): Rename to...
1281         (tsi_gimplify_val): ... this.
1282
1283         * Makefile.in (tree_complex.o): Update dependencies.
1284         (stor-layout.o): Depend on regs.h.
1285         * c-common.c (handle_vector_size_attribute): Update for
1286         vector types without corresponding vector modes.
1287         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
1288         a corresponding vector mode is not available.
1289         * print-tree.c (print_node): Print nunits for vector types
1290         * regclass.c (have_regs_of_mode): New.
1291         (init_reg_sets_1): Initialize it and use it instead
1292         of allocatable_regs_of_mode.
1293         * regs.h (have_regs_of_mode): Declare it.
1294         * stor-layout.c (layout_type): Pick a mode for vector types.
1295         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
1296         build_replicated_const, do_unop, do_binop, do_plus_minus,
1297         do_negate, expand_vector_piecewise, expand_vector_parallel,
1298         expand_vector_addition, expand_vector_operations_1,
1299         expand_vector_operations, tree_lower_operations,
1300         pass_lower_vector_ssa, pass_pre_expand): New.
1301         (expand_complex_operations, pass_lower_complex): Remove.
1302         * tree-optimize.c (init_tree_optimization_passes): Adjust
1303         pass ordering for changes in tree-complex.c.
1304         * tree-pass.h: Declare new passes.
1305         * tree.c (finish_vector_type): Remove.
1306         (make_vector_type): New.
1307         (build_vector_type_for_mode, build_vector_type): Rewritten.
1308         * tree.def (VECTOR_TYPE): Document where the number of
1309         subparts is stored.
1310         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
1311         (make_vector): Remove declaration.
1312
1313 2004-07-21  Richard Henderson  <rth@redhat.com>
1314
1315         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
1316         TREE_THIS_VOLATILE, may_aliases, or optimization level.
1317         (remove_useless_vars): Dump debugging info.
1318         (expand_used_vars): Move ...
1319         * cfgexpand.c (expand_used_vars): ... here.  Make static.
1320         * tree-flow-inline.h (set_is_used): New.
1321         (set_default_def): Use get_var_ann.
1322         * tree-flow.h: Update decls.
1323         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
1324         (create_ssa_var_map): Use it.
1325         * tree-ssa.c (set_is_used): Remove.
1326
1327 2004-07-22  Ben Elliston  <bje@au.ibm.com>
1328
1329         * gdbinit.in: Set a breakpoint on internal_error.
1330
1331 2004-07-21  Richard Henderson  <rth@redhat.com>
1332
1333         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
1334         to create a new basic block.
1335
1336 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1337
1338         PR c/15052
1339         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
1340         return type on function definitions.  Move other warnings for
1341         qualified return type to -Wreturn-type.  Do not condition any such
1342         warnings on -pedantic.  Update comments.
1343         (start_function): Only copy function type from previous prototype
1344         declaration if return types are compatible.
1345         * c-typeck.c (function_types_compatible_p): Don't condition
1346         warning for incompatibility of volatile qualifiers on the return
1347         type on -pedantic.  Update comment.
1348         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
1349
1350 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1351
1352         * c-typeck.c (set_init_index): Require designator to be of integer
1353         type.
1354
1355 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1356
1357         PR c/11250
1358         * c-parse.in (init): Change to exprtype.
1359         (primary): Set original_code for STRING to STRING_CST.
1360         Call maybe_warn_string_init for compound literals.
1361         (initdcl, notype_initdcl): Call maybe_warn_string_init.
1362         (initval): Update.
1363         * c-tree.h (maybe_warn_string_init): New.
1364         (pop_init_level, process_init_element): Use struct c_expr.
1365         (struct c_expr): Update comment.
1366         * c-typeck.c (maybe_warn_string_init): New function.
1367         (digest_init): Call it.  Additional parameter strict_string.  All
1368         callers changed.
1369         (output_init_element): Likewise.
1370         (struct constructor_stack): Use struct c_expr for
1371         replacement_value.
1372         (really_start_incremental_init, push_init_level): Update.
1373         (pop_init_level): Update.  Return struct c_expr.
1374         (process_init_level): Update.  Take struct c_expr argument.
1375
1376 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
1377
1378         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
1379         commit.
1380
1381 2004-07-21  Eric Christopher  <echristo@redhat.com>
1382
1383         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
1384         removal.
1385         * c-decl.c (pop_scope): Ditto.
1386         * calls.c (expand_call): Remove call to current_nesting_level,
1387         update comment accordingly. Remove calls to expand_start_target_temps
1388         and expand_end_target_temps.
1389         * cfgexpand.c (construct_init_block): Remove call to
1390         expand_start_bindings_and_block.
1391         (construct_exit_block): Remove call to expand_end_bindings.
1392         * expr.c (safe_from_p): Remove BIND_EXPR handling.
1393         (expand_expr_real_1): Ditto. Fix formatting.
1394         (expand_vars): Delete.
1395         * stmt.c (POPSTACK): Remove block_stack.
1396         (stmt_status): Remove x_block_stack.
1397         (block_stack): Delete.
1398         (expand_start_bindings_and_block): Ditto.
1399         (expand_start_target_temps): Ditto.
1400         (expand_end_target_temps): Ditto.
1401         (current_nesting_level): Ditto.
1402         (warn_about_unused_variables): Ditto.
1403         (expand_end_bindings): Ditto.
1404         * tree.h: Remove declarations for above.
1405
1406 2004-07-21  Steven Bosscher  <stevenb@suse.de>
1407
1408         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
1409         * rtl.c (note_insn_name): Likewise.
1410         * print-rtl.c (print_rtx): Don't print it.
1411         * cfgrtl.h (can_delete_note_p): Don't handle it.
1412         (rtl_delete_block): Likewise.
1413         * passes.c (rest_of_handle_guess_branch_prob): Remove.
1414         (rest_of_compilation): Don't call it.
1415         * predict.c (process_note_predictions, process_note_prediction,
1416         note_prediction_to_br_prob): Remove.
1417         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
1418         * stmt.c (return_prediction): Remove.
1419         (expand_value_return): Don't call it.  Don't add prediction
1420         notes for return statements.
1421
1422 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
1423
1424         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
1425         once.
1426
1427 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
1428
1429         * c-common.c (vector_types_convertible_p): Use vector types'
1430         TYPE_SIZE and TREE_TYPE instead of their mode.
1431         * convert.c (convert_to_integer): Likewise.
1432         (convert_to_vector): Likewise.
1433         * fold-const.c (fold_convert): Likewise.
1434         * varasm.c (output_constant): Likewise.
1435         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
1436         Allow a VECTOR_TYPE initializer to be made of several vectors.
1437         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
1438         of cleared and need_to_clear, and use fold_convert.
1439         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
1440         integer vectors.
1441
1442 2004-07-20  Richard Henderson  <rth@redhat.com>
1443
1444         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
1445         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
1446
1447 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
1448
1449         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
1450         enormous cost if not TARGET_HARD_MUL.
1451
1452 2004-07-20  Andrew Pinski  <apinski@apple.com>
1453
1454         PR target/16557
1455         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
1456         (ASM_SPEC): here.
1457
1458 2004-07-21  Paul brook  <paul@codesourcery.com>
1459
1460         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
1461
1462 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1463
1464         * fold-const.c (operand_equal_p): Temporarily support NULL args.
1465         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
1466         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
1467
1468 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
1469
1470         * rtl.h (plus_constant): Delete.
1471         (plus_constant_wide): Rename to plus_constant.
1472         (plus_constant_for_output_wide): Delete vestigial prototype.
1473         (GEN_INT): Remove unnecessary cast.
1474         * tree.h (build_int_2, size_int_type): Delete.
1475         (build_int_2_wide): Rename to build_int_2.
1476         (size_int_wide): Rename to size_int_kind.
1477         (size_int_type_wide): Rename to size_int_type.
1478         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
1479         Remove unnecessary cast.
1480         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
1481         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
1482         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
1483         (size_int_type_wide): Rename size_int_type.
1484         (int_const_binop): Use size_int_type.
1485         * c-lex.c (interpret_integer): Use build_int_2.
1486         * final.c (split_double): Remove unnecessary casts.
1487         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
1488
1489 2004-07-20  Richard Henderson  <rth@redhat.com>
1490
1491         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
1492         (gimplify_compound_lval): Use is_gimple_tmp_reg.
1493         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
1494         (is_gimple_tmp_reg): New.
1495         * tree-gimple.h (is_gimple_tmp_reg): Declare.
1496
1497 2004-07-20  Richard Henderson  <rth@redhat.com>
1498
1499         * tree-pretty-print.c (dump_generic_node): Dump
1500         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
1501
1502 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
1503
1504         * tree-mudflap.c (mf_set_options_fndecl): New tree.
1505         (mudflap_init): Set it.
1506         (mudflap_register_call): Remove __mf_init call.
1507         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
1508         to pass "-ignore-reads" option to libmudflap if needed.
1509
1510 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
1511
1512         PR c++/14607
1513         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
1514         (MAKE_DECL_ONE_ONLY): Undefine.
1515         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
1516         readonly_data, one_only_data_section, forget_section): New prototypes.
1517         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
1518         functions.
1519         (pa_select_section): Add one-only (COMDAT) support.
1520         * pa.h (struct machine_function): Define.
1521         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
1522         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
1523         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1524         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1525         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
1526         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
1527         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
1528         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1529         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
1530         for EXTRA_SECTION_FUNCTIONS.
1531         * doc/install.texi: Update binutils requirements.
1532
1533 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1534
1535         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
1536         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
1537         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
1538         size_t.
1539         (struct VEC): Use unsigned for num and alloc.
1540         * vec.c (struct vec_prefix): Likewise.
1541         (vec_o_reserve): Adjust.
1542
1543         * dbxout.c (dbxout_type): Fix printf format.
1544
1545         * tree.h (binfo_member): Remove.
1546         * tree.c (binfo_member): Remove.
1547
1548 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1549
1550         * tree.h: Include vec.h
1551         (DEF_VEC_P(tree)): New type.
1552         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
1553         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
1554         (BINFO_LANG_SLOT): Remove.
1555         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
1556         (struct tree_binfo): Turn base_binfos into a trailing
1557         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
1558         (binfo_lang_slots): Remove.
1559         * tree.c (binfo_lang_slots): Remove.
1560         (make_tree_binfo_stat): Take a base binfo count, not a
1561         lang slot count.  Adjust.
1562         * Makefile.in (TREE_H): Add vec.h
1563         * alias.c (record_component_aliases): Adjust BINFO access.
1564         * dbxout.c (dbxout_type): Likewise.
1565         * dwarf2out.c (gen_member_die): Likewise.
1566         * sdbout.c (sdbout_one_type): Likewise.
1567         * tree-dump.c (deque_and_dump): Likewise.
1568         * config/i386/i386.c (classify_argument,
1569         contains_128bit_aligned_vector_p): Likewise.
1570         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
1571         * doc/c-tree.texi (Classes): Update BINFO documentation.
1572
1573 2004-07-20  Steven Bosscher  <stevenb@suse.de>
1574
1575         * c-common.h (check_case_value): Remove prototype.
1576         (c_add_case_label): Adjust prototype.
1577         * c-common.c (check_case_value): Make static.
1578         (check_case_bounds): New function.
1579         (c_add_case_label): Use it.  Take new argument orig_type.
1580         * c-typeck.c (struct c_switch): New orig_type field.
1581         (c_start_case): Set it.
1582         (do_case): Pass it to c_add_case_label.
1583         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
1584         cases from here.  Add the labels in reverse order.
1585         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
1586         (add_case_node): Return nothing, don't check for duplicate cases.
1587         Insert new case nodes in a list, not in an AVL tree.
1588         (expand_end_case_type): Don't turn a case tree into a case list.
1589         (case_tree2list): Remove.
1590         * tree.h (add_case_node): Adjust prototype.
1591
1592 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
1593
1594         * genattr.c (struct range, struct function_unit,
1595         write_units, extend_range, init_range): Remove them.
1596         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1597         Output "#define INSN_SCHEDULING" here.
1598         * genattrtab.c (struct range, struct function_unit_op,
1599         struct function_unit, struct dimension, enum operator,
1600         operate_exp, expand_units, simplify_knowing,
1601         encode_units_mask, simplify_by_exploding,
1602         find_and_mark_used_attributes, unmark_used_attributes,
1603         add_values_to_cover, increment_current_value,
1604         test_for_current_value, simplify_with_current_value,
1605         simplify_with_current_value_aux, gen_unit,
1606         write_unit_name, write_function_unit_info,
1607         write_complex_function, write_toplevel_expr,
1608         find_single_value, extend_range): Remove.
1609         (write_attr_get): Do not handle common_av->value
1610         being an FFS.
1611         (struct attr_desc): Remove func_units_p and blockage_p.
1612         (write_attr_valueq): Do not handle them.
1613         (find_attr): Do not clear them.
1614         (make_internal_attr): Do not initialize them.
1615         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1616         * sched-vis.c (init_target_units, insn_print_units,
1617         init_block_visualization, print_block_visualization,
1618         visualize_scheduled_insns, visualize_no_unit,
1619         visualize_stall_cycles, visualize_alloc,
1620         visualize_free, target_units, get_visual_tbl_length,
1621         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
1622         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
1623         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
1624         * haifa-sched.c (blockage_range, clear_units,
1625         schedule_unit, actual_hazard, potential_hazard,
1626         insn_unit, unit_last_insn, unit_tick,
1627         actual_hazard_this_instance, potential_hazard,
1628         schedule_unit, max_insn_queue_index_value): Remove.
1629         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
1630         max_insn_queue_index.
1631         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
1632         * doc/md.texi (Processor pipeline description): Remove
1633         references to old pipeline descriptions.
1634         (Automaton pipeline description): Merge with the above.
1635         (Old pipeline description, Comparison of the two descriptions):
1636         Remove.
1637
1638         * bt-load.c (migrate_btr_def): Remove references to
1639         use_pipeline_interface.
1640         * haifa-sched.c (insn_cost, schedule_insn,
1641         schedule_block, advance_one_cycle, sched_init,
1642         queue_to_ready, sched_finish): Likewise.
1643         * modulo-sched.c (sms_schedule, advance_one_cycle,
1644         ps_has_conflicts): Likewise.
1645         * sched-rgn.c (init_ready): Likewise.
1646         (debug_dependencies): Likewise, and remove an "if (1)".
1647         * target.h (use_dfa_pipeline_interface): Remove.
1648         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1649         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1650         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1651         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1652         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1653         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1654         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1655         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1656         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1657         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1658         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1659         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1660         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1661         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1662         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1663         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1664         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1665         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1666         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1667
1668 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1669
1670         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
1671
1672 2004-07-19  Jeff Law  <law@redhat.com>
1673
1674         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
1675         (get_eq_expr_value): Use it.  Simplify slightly.
1676
1677 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
1678
1679         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
1680         (umulsidi3_32bit_r4000): Likewise.
1681
1682 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
1683
1684         * vec.h: Propagate location information properly.
1685         (VEC_T_iterate): Add result pointer parameter.
1686         (VEC_T_space): New.
1687         (VEC_T_reserve): Use it.
1688
1689 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
1690
1691         * Makefile.in (c-format.o): Depend on c-format.h.
1692         * c-format.h: New file.
1693         (struct format_char_info): Add CHAIN member.
1694         * c-format.c: Move some types and constants to c-format.h.
1695         (format_type_error): Set to -1.
1696         (struct function_format_info): Use an int for format_type.
1697         (decode_format_type): Return an int.  Return format_type_error
1698         on error.
1699         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
1700         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
1701         (scan_char_table, time_char_table, monetary_char_table): Initialize
1702         CHAIN to NULL.
1703         (n_format_types): New variable.
1704         (check_format_info_main): Handle CHAIN in format_char_info.
1705         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
1706         TARGET_N_FORMAT_TYPES.
1707         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1708         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
1709         * config/sol2-c.c: New file.
1710         * config/t-sol2: New file.
1711         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
1712         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
1713         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
1714
1715         * doc/extend.texi (Target Format Checks): New section.
1716         (Function Attributes): Mention it.
1717         * doc/invoke.texi: Mention target format checks.
1718         * doc/sourcebuild.texi: Mention target format checks.
1719         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
1720         TARGET_FORMAT_TYPES.
1721
1722 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1723
1724         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
1725         added.
1726         * config/s390/s390.c (regclass_map initializer): Register 35 added to
1727         ADDR_REGS.
1728         (load_multiple_operation, store_multiple_operation): Removed
1729         pointless sanity check.
1730         (s390_decompose_address): Added check for return_address_pointer_rtx.
1731         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
1732         (s390_return_address_offset): New function.
1733         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
1734         (FRAME_REGNO_P): Added check for register 35.
1735         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
1736         REG_ALLOC_ORDER): Appended entry for register 35.
1737         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
1738         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
1739         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
1740         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
1741         is eliminable using stack pointer or hard frame pointer.
1742         (REGISTER_NAMES): Added name for register 35.
1743         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
1744         pointless sanity check.
1745
1746 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1747
1748         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
1749         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
1750         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
1751         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
1752         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
1753         (fold_relational_const): Tidy up handling of floating point
1754         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
1755         transformation; fold_relational_const assumes constant operands.
1756
1757 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
1758
1759         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
1760         directory.
1761
1762 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
1763
1764         * c-tree.h (struct c_expr): Define.
1765         (C_SET_EXP_ORIGINAL_CODE): Remove.
1766         (parser_build_binary_op, build_compound_expr): Update prototypes.
1767         * c-parse.in (%union): Add exprtype.
1768         (FUNC_NAME): Mark as ttype.
1769         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
1770         exprtype.
1771         (expr): Update.  Define directly in terms of expr_no_commas
1772         instead of using nonnull_exprlist.
1773         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
1774         offsetof_member_designator, typespec_nonreserved_nonattr, init,
1775         initval, designator, component_declarator,
1776         component_notype_declarator, enumerator, array_declarator,
1777         condition, exexpr, switch_statement, stmt_nocomp, stmt,
1778         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
1779         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
1780         where appropriate.
1781         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
1782         * c-common.c (c_common_truthvalue_conversion): Don't check
1783         C_EXP_ORIGINAL_CODE.
1784         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
1785         Don't use C_EXP_ORIGINAL_CODE.
1786         (default_conversion, default_function_array_conversion): Don't use
1787         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
1788         (internal_build_compound_expr): Merge into build_compound_expr.
1789         (build_compound_expr): Take two operands instead of a TREE_LIST.
1790         * objc/objc-act.c (get_super_receiver): Update calls to
1791         build_compound_expr.
1792
1793 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1794
1795         * config/sh/sh.c (sh_use_dfa_interface): Remove.
1796         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
1797         hook_int_void_1.
1798         * config/sh/sh.md: Extract pipeline descriptions
1799         into separate files.
1800         * config/sh/sh1.md: New file, extracted from sh.md.
1801         * config/sh/sh4.md: New file, extracted from sh.md.
1802         * config/sh/shmedia.md: New file, extracted from sh.md
1803         and rewritten using new-style pipeline description.
1804
1805 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
1806
1807         * config/pa/pa.md: Delete the two remaining define_peephole
1808         patterns.
1809
1810 2004-07-18  Steven Bosscher  <stevenb@suse.de>
1811             Joseph S. Myers  <jsm@polyomino.org.uk>
1812
1813         * c-common.c (c_common_truthvalue_conversion): Don't warn if
1814         TREE_NO_WARNING is set.
1815
1816 2004-07-18  Roger Sayle  <roger@eyesopen.com>
1817
1818         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
1819         simplify_builtin_strncmp): Delete.
1820         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
1821         Change argument to accept an arglist instead of an "exp".  Assume
1822         that the return type is always integer_type_node.  Copy missing
1823         transformations from their now obsolete simplify_builtin_*
1824         equivalents.
1825         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
1826         fold_builtin_strcmp and fold_builtin_strncmp.
1827         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
1828         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
1829         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
1830
1831 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
1832
1833         * Makefile.in (tree-alias-common.o): Update dependencies.
1834
1835 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
1836
1837         * cfgloop.c (flow_loop_nested_p): Fix comment.
1838
1839 2004-07-17  Jason Merrill  <jason@redhat.com>
1840
1841         PR c++/16115
1842         * stor-layout.c (relayout_decl): New fn.
1843         * tree.h: Declare it.
1844         (DECL_BY_REFERENCE): New macro.
1845
1846 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
1847
1848         * libgcc2.c (__enable_execute_stack): New symbol.
1849         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
1850         and declare __enable_execute_stack.
1851         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
1852         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
1853         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1854         ENABLE_EXECUTE_STACK.
1855         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
1856         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1857         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1858         ENABLE_EXECUTE_STACK.
1859         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1860         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
1861         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1862         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1863         ENABLE_EXECUTE_STACK.
1864         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1865         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1866         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1867         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1868         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
1869         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1870         (sparc64_initialize_trampoline): Likewise.
1871         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
1872
1873 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1874
1875         * langhooks.h (builtin_function): New langhook.
1876         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
1877         (LANG_HOOKS_INITIALIZER): Update.
1878         * tree.h (builtin_function): Remove.
1879         * doc/tm.texi: Update.
1880         * c-tree.h (builtin_function): Declare.
1881         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
1882         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
1883         config/ia64/ia64.c, config/iq2000/iq2000.c,
1884         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
1885         config/stormy16/stormy16.c: All callers of builtin_function
1886         changed.
1887
1888 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
1889
1890         PR target/16556
1891         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
1892         Remove white space after the backslash.
1893
1894 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1895
1896         PR rtl-optimization/16294
1897         * resource.c (return_insn_p): New predicate.
1898         (mark_target_live_regs): Use it.  Special-case return insns.
1899         (init_resource_info): Use it.  Don't scan the epilogue past
1900         a return.
1901
1902 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1903
1904         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
1905         destroy dominance information.
1906         * passes.c (rest_of_handle_loop2):  Free dominance information.
1907         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
1908         jump threading.
1909         (thread_jumps): Update dominance information and remove unreachable
1910         blocks.
1911         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
1912         information and remove the unreachable block.
1913
1914 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
1915
1916         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
1917
1918 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
1919
1920         * doc/sourcebuild.texi: Remove libf2c entry.
1921
1922 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         * config/i386/i386.md (movv16qi_internal): Fix typo.
1925
1926 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1927
1928         * final.c (final_scan_insn): Fix broken commit from previous
1929         patch.
1930
1931 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1932
1933         * c-typeck.c (parser_build_binary_op): Condition warnings for
1934         X<=Y<=Z on -Wparentheses instead of -Wextra.
1935         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
1936         supported for C only.
1937
1938 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1939
1940         * cfgcleanup.c (try_simplify_condjump): Don't remove line
1941         notes to avoid unreachable code warnings.
1942         * toplev.c (backend_init): Don't emit line notes for
1943         unreachable code warnings.
1944
1945         * combine.c (distribute_notes): Don't distribute a
1946         REG_VTABLE_REF note.
1947         * final.c (final_scan_insn): Don't handle it.
1948         * rtl.c (reg_note_name): Remove it.
1949         * rtl.h (enum reg_node): Dito.
1950
1951         * emit-rtl.c (force_line_numbers, restore_line_number_status):
1952         Remove.
1953         * rtl.h (force_line_numbers, restore_line_number_status):
1954         Remove prototypes.
1955
1956         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
1957         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
1958         (using_eh_for_cleanups): Also moved here.
1959
1960         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
1961         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
1962         to expand_start_case and add_case_node.
1963         * stmt.c (struct nesting): Cleanup unused fields condition_code,
1964         last_unconditional_cleanup, nominal_type, printname, and
1965         line_number_status.
1966         (struct fixup_goto): Remove.
1967         (struct stmt_status): Remove x_goto_fixup_chain field.
1968         (goto_fixup_chain): Remove.
1969         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
1970         pushcase, pushcase_range): Remove.
1971         (expand_start_bindings_and_block): Don't set unused fields in
1972         the nesting stack.
1973         (expand_start_case, add_case_node): Cleanup unused formal arguments.
1974         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
1975         instead of emit_jump_if_reachable.
1976         (emit_case_nodes): Likewise.
1977         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
1978         static.
1979         (update_eh_label): Work around left-over exception handing regions.
1980         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
1981         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
1982         (pass_cleanup_cfg_post_optimizing): New pass.
1983         (init_tree_optimization_passes): Run the new pass after all
1984         optimizations.
1985         * tree.h (pushcase, pushcase_range): Remove prototypes.
1986         (expand_start_case, add_case_node): Update prototypes.
1987
1988 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
1989
1990         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
1991
1992 2004-07-16  Richard Henderson  <rth@redhat.com>
1993
1994         * builtins.c (std_expand_builtin_va_arg): Remove.
1995         (expand_builtin_va_arg): Remove.
1996         * expr.h: Don't declare them.
1997         * gimplify.c (mark_decls_volatile_r): Remove.
1998         (copy_if_shared_r): Don't call it.
1999         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
2000         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
2001         * gimple-low.c (lower_stmt): Likewise.
2002         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
2003         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
2004         * tree-ssa-operands.c (get_expr_operands): Likewise.
2005         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
2006         EXPAND_BUILTIN_VA_ARG.
2007         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
2008         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
2009         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
2010         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2011
2012 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2013
2014         * tree-ssa-pre.c (insert_aux): Break out if we hit
2015         a critical edge.
2016
2017 2004-07-16  Richard Henderson  <rth@redhat.com>
2018
2019         * basic-block.h (remove_fake_exit_edges): Declare.
2020         * cfganal.c (remove_fake_predecessors): Rename from
2021         remove_fake_successors; iterate over predecessors.
2022         (remove_fake_exit_edges): New.
2023         * cfgcleanup.c (try_optimize_cfg): Use it.
2024         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
2025         * predict.c (estimate_probability): Likewise.
2026         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
2027         * tree-cfg.c (make_edges): Likewise.
2028         * tree-ssa-pre.c (fini_pre): Likewise.
2029         * profile.c (instrument_edges): Don't remove_fake_edges.
2030         (branch_prob): Do it earlier here.
2031
2032 2004-07-16  Richard Henderson  <rth@redhat.com>
2033
2034         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
2035         switchification wrt CONSTRUCTOR.  Document the reason.
2036
2037 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
2038
2039         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
2040         that prevented descriptive __mf_check source location strings.
2041
2042 2004-07-16  Richard Henderson  <rth@redhat.com>
2043
2044         * tree-def (WITH_SIZE_EXPR): New.
2045         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
2046         * expr.c (expand_expr_real_1): Likewise.
2047         * gimplify.c (maybe_with_size_expr): New.
2048         (gimplify_arg, gimplify_modify_expr): Use it.
2049         (gimplify_modify_expr_to_memcpy): Take size parameter.
2050         (gimplify_modify_expr_to_memset): Likewise.
2051         (gimplify_expr): Handle WITH_SIZE_EXPR.
2052         * tree-alias-common.c (find_func_aliases): Likewise.
2053         * tree-eh.c (tree_could_trap_p): Likewise.
2054         (tree_could_throw_p): Likewise.
2055         * tree-gimple.c (is_gimple_lvalue): Likewise.
2056         (get_call_expr_in): Likewise.
2057         * tree-inline.c (estimate_num_insns_1): Likewise.
2058         (expand_calls_inline): Likewise.
2059         * tree-nested.c (convert_call_expr): Likewise.
2060         * tree-pretty-print.c (dump_generic_node): Likewise.
2061         * tree-sra.c (sra_walk_expr): Likewise.
2062         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2063         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
2064         * tree-ssa-operands.c (get_expr_operands): Likewise.
2065         * tree-tailcall.c (find_tail_calls): Likewise.
2066
2067         * calls.c (expand_call): Reset old_stack_allocated after
2068         calling emit_stack_restore.
2069
2070 2004-07-16  Richard Henderson  <rth@redhat.com>
2071
2072         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
2073         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2074         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2075         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
2076         copy_res_decl_for_inlining.
2077
2078         * tree-inline.c (declare_return_variable): New modify_dest argument.
2079         Use it as the return value, when possible or manditory.  Handle
2080         TREE_ADDRESSABLE types.
2081         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
2082         replacement of CALL_EXPR.
2083
2084 2004-07-16  Richard Henderson  <rth@redhat.com>
2085
2086         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
2087         * gimple-low.c (expand_var_p): Don't check it.
2088         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
2089         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
2090         * tree-ssa-operands.c (add_stmt_operand): Likewise.
2091         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
2092         (find_referenced_vars): Don't call them.
2093         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
2094
2095 2004-07-16  Richard Henderson  <rth@redhat.com>
2096
2097         * function.c (pass_by_reference): True for all variable sized types.
2098
2099 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
2100
2101         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
2102         * tree-pretty-print.c: Include tree-chrec.h.
2103         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
2104         and POLYNOMIAL_CHREC nodes.
2105
2106 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
2107
2108         * builtins.c (expand_builtin_stpcpy): Do not create temporary
2109         reg with VOIDmode.
2110
2111 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2112
2113         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
2114
2115 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2116
2117         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
2118         to BASE_REGNUM.
2119         * config/s390/s390.c: Likewise.
2120         * config/s390/s390.h: Likewise.
2121
2122 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2123
2124         * config/mips/mips.md (addsi3, adddi3): Remove special handling
2125         of $sp adds.  Remove REGNO checks from mips16 patterns.
2126
2127 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2128
2129         * config/mips/mips.md: Delete outdated comment.
2130
2131 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2132
2133         * config/mips/mips.c (get_float_compare_codes): Delete.
2134         (mips_emit_compare): New function, mostly extracted from
2135         get_float_compare_codes and gen_conditional_branch.
2136         (gen_conditional_branch, gen_conditional_move): Use it.
2137
2138 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2139
2140         * genautomata.c (add_vect): Speedup by using integers as
2141         bit-vectors for walking through the comb_vect and finding
2142         a match.
2143
2144 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2145
2146         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
2147         operand is an uns_arith_operand; use subtraction otherwise.
2148         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
2149         not just arith_operands.
2150
2151 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2152
2153         * config/mips/mips-protos.h (gen_int_relational): Delete.
2154         (mips_emit_scc): Declare.
2155         * config/mips/mips.c (internal_test): Delete.
2156         (sle_operand, sleu_operand): New functions.
2157         (map_test_to_internal_test, gen_int_relational): Delete.
2158         (mips_emit_binary, mips_relational_operand_ok_p)
2159         (mips_emit_int_relational, mips_zero_if_equal)
2160         (mips_emit_scc): New functions.
2161         (gen_conditional_branch): Rework to use mips_emit_int_relational.
2162         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
2163         sleu_operand.
2164         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2165         (sltu, sleu): Use mips_emit_scc.
2166         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
2167         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
2168         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
2169
2170 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2171
2172         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
2173
2174 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2175
2176         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
2177         (*sne_[sd]i): Likewise sne_[sd]i_zero.
2178         (*sgt_[sd]i): ...and sgt_[sd]i.
2179         (*slt_[sd]i): ...and slt_[sd]i.
2180         (*sgtu_[sd]i): ...and sgtu_[sd]i.
2181         (*sltu_[sd]i): ...and sltu_[sd]i.
2182         (*sleu_[sd]i): ...and sleu_[sd]i_const.
2183         Name previously unnamed mips16 patterns.  Formatting fixes.
2184
2185 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2186
2187         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
2188         (branch_type): Delete.
2189         (gen_conditional_branch, gen_conditional_move)
2190         (mips_gen_conditional_trap): Update after name change.  Get the
2191         comparison mode from cmp_operands[0].
2192         * config/mips/mips.h (cmp_type, branch_type): Delete.
2193         (cmp_operands): Renamed from branch_cmp.
2194         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
2195         name change.  Don't set branch_type.
2196         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
2197         mode class of cmp_operands[0] rather than branch_type.  Update after
2198         name change.
2199
2200 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2201
2202         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
2203         of 0...255 to 0 when inside a SET.
2204
2205 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2206
2207         * config/mips/mips.md: Remove mips16 define_peepholes.
2208
2209 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2210
2211         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
2212         (fini_pre): Remove fake edges.
2213
2214 2004-07-15  Richard Henderson  <rth@redhat.com>
2215
2216         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
2217         (get_indirect_ref_operands, get_call_expr_operands): ... these.
2218
2219 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2220
2221         * vec.h (VEC_address): New function.
2222
2223 2004-07-14  Jason Merrill  <jason@redhat.com>
2224
2225         PR middle-end/15885
2226         * gimplify.c (gimplify_arg): New fn, split out from...
2227         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
2228
2229 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2230
2231         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
2232         generate code which is generated by pushqi1 now
2233         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
2234
2235 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2236
2237         * combine.c (simplify_set): match the mode of the constant 0 with
2238         the tested operand to match the compare behaviour and the
2239         simplify_relational_operation() expectation.
2240
2241 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2242
2243         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
2244         ("bordered"): Same.
2245
2246 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2247
2248         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
2249         unconditionally.
2250         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
2251
2252 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2253
2254         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
2255         calls in mips16 code.
2256
2257 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2258
2259         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
2260         the destination of the li as well as for the neg.
2261
2262 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
2263
2264         g++/15861
2265         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
2266         * cgraph.h: Update declaration.
2267         * c-decl.c (build_cdtor): Update call with default priority.
2268         * coverage.c (create_coverage): Ditto.
2269         * tree-mudflap.c (mf_init_fndecl): New tree.
2270         (mudflap_init): Set it.
2271         (mudflap_register_call): Arrange to call __mf_init before the first
2272         __mf_register call.
2273         (mudflap_finish_file): Mark the mudflap static initializer as extra
2274         high priority, to beat all C++ static constructors.
2275
2276 2004-07-15  Jeff Law  <law@redhat.com>
2277
2278         * loop.c (check_insn_for_givs): Restore check for code labels that was
2279         accidentally deleted by a recent checkin.
2280
2281 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2282
2283         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
2284         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
2285
2286 2004-07-14  Richard Henderson  <rth@redhat.com>
2287
2288         * print-tree.c (print_node): Fix casts last change.
2289
2290 2004-07-15  Paul Brook  <paul@codesourcery.com>
2291
2292         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
2293         to TARGET_UNWIND_INFO.
2294         * except.c (output_function_exception_table): Ditto.
2295         * except.h: Ditto.
2296         * opts.c (decode_options): Ditto.
2297         * passes.c (rest_of_handle_final): Ditto.
2298         * final.c (final_start_function): Ditto.
2299         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
2300         target hook.
2301         * targhooks.h (default_unwind_emit): Declare.
2302         * targhooks.c (default_unwind_emit): New function.
2303         * target-def.h: Define and use TARGET_UNWIND_EMIT.
2304         * target.h (struct gcc_target): Add unwind_emit.
2305         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
2306         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
2307         Remove IA64_UNWIND_EMIT.
2308         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
2309
2310 2004-07-14  Richard Henderson  <rth@redhat.com>
2311
2312         * print-tree.c (print_node): Handle SSA_NAME.
2313
2314 2004-07-14  James E Wilson  <wilson@specifixinc.com>
2315
2316         PR target/16325
2317         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
2318         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
2319
2320 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
2321
2322         * expr.c (expand_assignment): Reenable bitfield += optimizations.
2323         Use alias set 0 for memory, do proper mode calculations and adjust
2324         address for memories.
2325
2326 2004-07-14  Per Bothner  <per@bothner.com>
2327
2328         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
2329         structure with extra column field.
2330         * tree.c (expand_location):  Also fill in column field.
2331         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
2332         gets confused by the two conditionally-compiled definitions.
2333
2334 2004-07-14  Eric Christopher  <echristo@redhat.com>
2335
2336         * calls.c (expand_call): Fix typo in comment.
2337
2338 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
2339
2340         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
2341         comparision of TFmode.
2342
2343 2004-07-14  Richard Henderson  <rth@redhat.com>
2344
2345         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
2346         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
2347         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
2348         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2349         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2350         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2351         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2352         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2353         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2354
2355 2004-07-14  Mike Stump  <mrs@apple.com>
2356
2357         * config/darwin.h (WINT_TYPE): Define to be int to match
2358         system header files.
2359
2360 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2361
2362         * config/xtensa/xtensa.c (function_arg_advance): Check for args
2363         that must be passed in the stack.
2364         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
2365         arguments if the size is not a constant.
2366
2367 2004-07-14  Per Bothner  <per@bothner.com>
2368
2369         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
2370         instead of EXPR_LOCUS in a boolean context, which is always true
2371         if --enable-mapped-location.
2372         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
2373
2374 2004-07-14  Richard Henderson  <rth@redhat.com>
2375
2376         * dominance.c (struct dom_info): Add fake_exit_edge.
2377         (init_dom_info): Allocate it.
2378         (free_dom_info): Free it.
2379         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
2380         in two passes.
2381         (calc_idoms): Honor fake_exit_edge.
2382
2383 2004-07-13  Jason Merrill  <jason@redhat.com>
2384
2385         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
2386         (rhs_test_for): New fn.
2387         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
2388         * tree-gimple.h: Declare them.
2389         * gimplify.c (gimplify_modify_expr): Use the new fns.
2390
2391 2004-07-14  Richard Henderson  <rth@redhat.com>
2392
2393         * config/arm/arm-protos.h (arm_va_arg): Remove.
2394         * config/arm/arm.c (arm_va_arg): Remove.
2395         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
2396         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
2397
2398 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2399
2400         * pa.c (fix_range): New function to mark a range(s) of registers as
2401         fixed registers.
2402         (override_options): Call fix_range if the -mfixed-range option string
2403         is not empty.
2404         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
2405         * doc/invoke.texi (-mfixed-range): Document new option.
2406
2407 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
2408
2409         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
2410         for TARGET_64BIT.
2411         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
2412
2413 2004-07-14  Roger Sayle  <roger@eyesopen.com>
2414
2415         * expmed.c (expand_sdiv_pow2): New function to expand signed division
2416         by a positive power of two, split out from expand_divmod.  Provide
2417         an alternate implementation when shifts are expensive.  Lower the
2418         threshold for using a branchless implementation to BRANCH_COST >= 2.
2419         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
2420
2421 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2422
2423         * tree-dfa.c (make_rename_temp): *Really* work just
2424         like create_tmp_var if called while outside SSA form.
2425
2426 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2427
2428         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
2429         for division by zero.
2430         ("umodsi3"): Likewise.
2431
2432 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2433
2434         * config/mips/mips.c (mips_output_move): When generating mips16 code,
2435         force loads of negative constants to be split.
2436         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
2437         Generalize SImode li/neg splitter to cope with other modes.
2438
2439 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2440
2441         * expmed.c: Remove more references to QUEUED in the comments.
2442         * expr.c: Likewise.
2443
2444 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2445
2446         Revert:
2447         2004-07-13  Richard Henderson  <rth@redhat.com>
2448         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
2449         correctly.
2450
2451 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2452
2453         * tree-dfa.c (make_rename_temp): Work just like
2454         create_tmp_var if called while outside SSA form.
2455
2456 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2457
2458         * expr.c (enqueue_insn, finish_expr_for_function,
2459         protect_from_queue, queued_subexp_p, mark_queue,
2460         emit_insns_enqueued_after_mark, emit_queue,
2461         expand_increment): Remove.
2462         (store_constructor): Expand increment as an assignment.
2463         (expand_expr_real_1 <case PREINCREMENT_EXPR,
2464         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
2465         case POSTDECREMENT_EXPR>): Abort.
2466         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
2467         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
2468         protect_from_queue, emit_queue, queued_subexp_p): Remove.
2469         * function.h (pending_chain, x_pending_chain): Remove.
2470         * rtl.def (QUEUED): Remove.
2471
2472         * emit-rtl.c (copy_insn_1, copy_most_rtx,
2473         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
2474         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
2475         encode_units_mask): Likewise.
2476         * local-alloc.c (equiv_init_varies_p): Likewise.
2477         * rtl.c (copy_rtx): Likewise.
2478         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2479         * simplify-rtx.c (simplify_gen_subreg): Likewise.
2480         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
2481
2482         * builtins.c (expand_builtin, expand_builtin_apply,
2483         expand_builtin_mathfn, expand_builtin_mathfn_2,
2484         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
2485         Remove calls to emit_queue and protect_from_queue.
2486         * calls.c (expand_call, precompute_arguments,
2487         precompute_register_parameters, rtx_for_function_call,
2488         store_one_arg): Likewise.
2489         * dojump.c (do_compare_and_jump, do_jump): Likewise.
2490         * explow.c (memory_address): Likewise.
2491         * expmed.c (clear_by_pieces_1, clear_storage,
2492         clear_storage_via_libcall, emit_group_load,
2493         emit_group_store, emit_store_flag,
2494         expand_expr_real_1, store_by_pieces,
2495         store_constructor, store_expr, try_casesi,
2496         try_tablejump): Likewise.
2497         * function.c (expand_pending_sizes): Likewise.
2498         * optabs.c (emit_cmp_and_jump_insns,
2499         emit_conditional_add, emit_conditional_move,
2500         expand_fix, expand_float, prepare_cmp_insn): Likewise.
2501         * stmt.c (emit_case_bit_tests,
2502         expand_asm_expr, expand_computed_goto,
2503         expand_decl_init, expand_end_case_type,
2504         expand_end_stmt_expr, expand_expr_stmt_value,
2505         expand_return, expand_start_case,
2506         optimize_tail_recursion): Likewise.
2507         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2508         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
2509
2510 2004-07-14  Ben Elliston  <bje@au.ibm.com>
2511
2512         * vec.h: Comment fix.
2513
2514 2004-07-13  Richard Henderson  <rth@redhat.com>
2515
2516         * target.h (struct gcc_target): Add calls.pass_by_reference.
2517         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
2518         * function.c (pass_by_reference): Use the hook.
2519         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
2520         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
2521         (hook_pass_by_reference_must_pass_in_stack): New.
2522         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
2523         (alpha_pass_by_reference): New.
2524         (TARGET_PASS_BY_REFERENCE): New.
2525         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2526         * config/arc/arc.c (arc_pass_by_reference): New.
2527         (TARGET_PASS_BY_REFERENCE): New.
2528         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2529         (FUNCTION_ARG_CALLEE_COPIES): True.
2530         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
2531         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
2532         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
2533         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2534         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2535         * config/cris/cris.c (cris_pass_by_reference): New.
2536         (TARGET_PASS_BY_REFERENCE): New.
2537         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
2538         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
2539         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2540         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
2541         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2542         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
2543         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
2544         (frv_function_arg_pass_by_reference): Remove.
2545         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2546         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
2547         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
2548         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
2549         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2550         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
2551         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
2552         (ia64_pass_by_reference): Rename from
2553         ia64_function_arg_pass_by_reference.
2554         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2555         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2556         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
2557         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
2558         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
2559         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2560         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2561         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
2562         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
2563         (m32r_pass_by_reference): Adjust prototype.  Make static.
2564         Handle mode sizes correctly.
2565         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2566         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
2567         (m68hc11_function_arg_pass_by_reference): Remove.
2568         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2569         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2570         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
2571         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2572         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
2573         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
2574         (mips_va_arg): Use pass_by_reference.
2575         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
2576         Handle mode sizes correctly.
2577         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2578         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2579         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
2580         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
2581         (mmix_pass_by_reference): Rename from
2582         mmix_function_arg_pass_by_reference.
2583         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2584         (FUNCTION_ARG_CALLEE_COPIES): True.
2585         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
2586         (mn10300_pass_by_reference): New.
2587         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2588         (FUNCTION_ARG_CALLEE_COPIES): True.
2589         * config/pa/pa.c (pa_pass_by_reference): New.
2590         (TARGET_PASS_BY_REFERENCE): New.
2591         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2592         (FUNCTION_ARG_CALLEE_COPIES): True.
2593         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
2594         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
2595         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
2596         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2597         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
2598         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
2599         (s390_pass_by_reference): Rename from
2600         s390_function_arg_pass_by_reference.
2601         (s390_function_arg_advance): Don't query pass-by-ref.
2602         (s390_function_arg): Likewise.
2603         (s390_gimplify_va_arg): Use pass_by_reference.
2604         (s390_call_saved_register_used): Likewise.
2605         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2606         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
2607         (shcompact_byref, sh_pass_by_reference): New.
2608         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2609         (SHCOMPACT_BYREF): Remove.
2610         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
2611         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
2612         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
2613         (sparc_gimplify_va_arg): Use pass_by_reference.
2614         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2615         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2616         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
2617         (v850_pass_by_reference): New.
2618         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2619         (FUNCTION_ARG_CALLEE_COPIES): True.
2620         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
2621         FUNCTION_ARG_PASS_BY_REFERENCE docs.
2622
2623 2004-07-14  Richard Henderson  <rth@redhat.com>
2624             Richard Sandiford  <rsandifo@redhat.com>
2625
2626         * config/mips/mips-protos.h (mips_va_arg): Delete.
2627         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
2628         * config/mips/mips.c: Include tree-gimple.h.
2629         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
2630         (mips_arg_info): Remove special handling of must_pass_in_stck args.
2631         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
2632         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
2633
2634 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2635
2636         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
2637         arguments for COND_EXPR in big-endian adjustment code.
2638
2639 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2640
2641         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
2642         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
2643         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
2644         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
2645
2646 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2647
2648         PR tree-optimization/16443
2649         * tree-ssa-alias.c: Add more description for
2650         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
2651         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
2652         clobbering of call-clobbered and addressable variables.  If
2653         there are any before aliases have been computed, add them.
2654
2655 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2656
2657         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
2658         verification.
2659
2660 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
2661
2662         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
2663         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
2664         to the same type.
2665
2666 2004-07-13  Per Bothner  <per@bothner.com>
2667
2668         * collect2.c (main):  Handle --no-demangle and --demangle flags.
2669
2670 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
2671
2672         * Makefile.in (OBJS-common): Add tree-data-ref.o.
2673         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
2674         (tree-data-ref.o): New rule.
2675         * lambda.h: New file.
2676         * tree-data-ref.c: New file.
2677         * tree-data-ref.h: New file.
2678         * tree.c (int_cst_value, tree_fold_gcd): New functions.
2679         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
2680
2681 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2682
2683         PR target/13926
2684         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
2685         * config/sparc/sparc.c (output_ubranch): New function.
2686         * config/sparc/sparc.md (jump pattern): Use it.
2687
2688 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2689
2690         PR target/16494
2691         * config/sparc/sparc.c (output_cbranch): Properly guard
2692         the code handling far branches with TARGET_V9.
2693         * config/sparc/sparc.md (length attribute): Document the
2694         side-effect of having a length greater or equal to 3.
2695
2696 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2697             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
2698
2699         PR target/15186
2700         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
2701         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
2702
2703 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2704             Martin Sebor  <sebor@roguewave.com>
2705
2706         PR target/12602
2707         * doc/invoke.texi (SPARC options): Document -threads
2708         and -pthreads on Solaris.
2709
2710 2004-07-13  Richard Henderson  <rth@redhat.com>
2711
2712         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
2713         by reference.
2714         (ind_gimplify_va_arg_expr): Remove.
2715         * tree.h (ind_gimplify_va_arg_expr): Remove.
2716         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
2717         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
2718         argsp to be null.
2719
2720         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
2721         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
2722         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
2723         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
2724         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2725
2726 2004-07-13  Richard Henderson  <rth@redhat.com>
2727
2728         * function.c (pass_by_reference): New.
2729         (assign_parm_find_data_types): Use it.
2730         * calls.c (initialize_argument_information): Likewise.
2731         (emit_library_call_value_1): Likewise.
2732         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2733         * function.h (pass_by_reference): Declare.
2734
2735 2004-07-13  Richard Henderson  <rth@redhat.com>
2736
2737         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
2738         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
2739         * expr.h (MUST_PASS_IN_STACK): Remove.
2740         * system.h (MUST_PASS_IN_STACK): Poison.
2741         * tree.h (must_pass_in_stack_var_size): Declare.
2742         (must_pass_in_stack_var_size_or_pad): Declare.
2743         * calls.c (must_pass_in_stack_var_size): New.
2744         (must_pass_in_stack_var_size_or_pad): Rename from
2745         default_must_pass_in_stack.
2746         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
2747         (TARGET_MUST_PASS_IN_STACK): New.
2748         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
2749         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
2750         (TARGET_MUST_PASS_IN_STACK): New.
2751         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
2752         * config/frv/frv.c (frv_must_pass_in_stack): New.
2753         (TARGET_MUST_PASS_IN_STACK): New.
2754         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
2755         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
2756         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
2757         (ix86_must_pass_in_stack): Make static.
2758         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
2759         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
2760         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
2761         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
2762         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
2763         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
2764         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
2765         (mcore_must_pass_on_stack): Remove.
2766         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
2767         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
2768         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
2769         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
2770         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
2771         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
2772         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
2773         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
2774         (TARGET_MUST_PASS_IN_STACK): New.
2775         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
2776         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
2777         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
2778         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
2779         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
2780         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
2781         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
2782         MUST_PASS_IN_STACK.
2783
2784         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
2785         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
2786         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
2787         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
2788         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
2789         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
2790         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
2791         config/xtensa/xtensa.c: Use target hook.
2792
2793 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
2794
2795         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
2796         * configure: Rebuilt.
2797
2798 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2799
2800         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
2801         * config/mips/mips.h (mips_reg_names): Don't declare.
2802         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
2803         (TARGET_NAME_REGS): Delete.
2804         (TARGET_SWITCHES): Remove -mrnames.
2805         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
2806         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
2807         in REGISTER_NAMES.
2808         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
2809         (override_options): Remove handling of TARGET_NAME_REGS.
2810
2811 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2812
2813         * config/mips/mips.h (TARGET_*): Boolify.
2814
2815 2004-07-12  Nick Clifton  <nickc@redhat.com>
2816
2817         * config.gcc: Add sh-*-symbianelf target.
2818         * config/sh/sh.c: Add new target macros:
2819         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
2820         TARGET_CXX_IMPORT_EXPORT_CLASS.
2821         (sh_file_start): Create a definition of the .directive section.
2822         (sh_attribute): Add dllimport and dllexport attributes.
2823         * config/sh/symbian-pre.h: New file.
2824         * config/sh/symbian-post.h: New file.
2825         * config/sh/symbian.c: New file. Contains Symbian specific
2826         functions.
2827         * config/sh/sh-protos.h: Add prototypes for new functions
2828         provided by symbian.c.
2829         * config/sh/t-symbian: New file.
2830         * doc/extend.texi: Document support for dllimport and dllexport
2831         attributes by the sh-symbianelf target.
2832
2833 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2834
2835         * Makefile.in (AR): Use @AR@ not ar.
2836         (NM): New.
2837         (AR_FOR_TARGET): Use $(AR) not ar for native.
2838         (NM_FOR_TARGET): Use $(NM) not nm for native.
2839         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
2840         * configure: Regenerate.
2841
2842 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
2843
2844         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
2845         special case.
2846         (ashldi3_sp64): Likewise.
2847
2848 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2849
2850         PR target/16477
2851         * pa.c (function_arg): Update comment.
2852         * pa.h (BLOCK_REG_PADDING): Define.
2853
2854 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2855
2856         PR tree-optimization/16461
2857         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
2858         arguments of phi nodes.
2859
2860 2004-07-12  Devang Patel  <dpatel@apple.com>
2861
2862         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
2863
2864 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
2865
2866         * function.c (expand_function_start): Ensure r_save is in Pmode.
2867         * calls.c (prepare_call_address): Ensure static_chain_value is
2868         in Pmode.
2869         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
2870         r_save_area are in Pmode.
2871         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
2872         fnaddr, and static_chain are in Pmode.
2873
2874 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
2875
2876         PR target/16445
2877         * config/ia64/ia64.c (bundling): Don't count ignored insns.
2878
2879 2004-07-12  Richard Henderson  <rth@redhat.com>
2880
2881         * target.h (struct gcc_target): Move gimplify_va_arg_expr
2882         next to build_builtin_va_list.
2883         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
2884         * builtins.c (gimplify_va_arg_expr): Likewise.
2885         * gimplify.c (copy_if_shared_r): Likewise.
2886
2887 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
2888
2889         * passes.c (rest_of_decl_compilation): Don't defer call of
2890         assemble_variable if its DECL_RTL is already set.
2891
2892 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
2893
2894         * cfgloop.h (struct loop): Add nb_iterations field.
2895         (current_loops): Declare.
2896         * tree-chrec.c (chrec_not_analyzed_yet,
2897         chrec_dont_know, chrec_known, count_ev_in_wider_type,
2898         chrec_contains_symbols_defined_in_loop): Remove the temporary
2899         hooks.
2900         * tree-flow-inline.h (loop_containing_stmt): New function.
2901         * tree-scalar-evolution.c: Add implementation.
2902         * tree-scalar-evolution.h: Add declarations.
2903
2904 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
2905
2906         PR rtl-optimization/15921
2907         * Makefile.in (global.o): Add recog.h.
2908
2909         * global.c (recog.h): Add the include-clause.
2910         (bb_info): New member earlyclobber.
2911         (allocate_bb_info, free_bb_info): Initialize/finish the new
2912         member.
2913         (earlyclobber_regclass, earlyclobber_regclass_length): The new
2914         global variables.
2915         (check_earlyclobber, regclass_intersect,
2916         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
2917         New functions.
2918         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
2919         (make_accurate_live_analysis): Modify pavin.
2920
2921 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
2922
2923         * tree-cfg.c (find_taken_edge): Statically compute the truth
2924         value of a predicate comparing an SSA_NAME to itself.
2925
2926 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2927
2928         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
2929         rs6000 doesn't have shift-and-add or shift-and-sub instructions
2930         by returning the cost of a multiplication plus an addition.
2931
2932 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2933
2934         PR tree-optimization/14107
2935         * gimplify.c (gimplify_return_expr): Accept a
2936         RETURN_EXPR with an error argument.
2937         * tree-optimize.c (init_tree_optimization_passes):
2938         Run pass_warn_function_return at -O0.
2939
2940 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2941
2942         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
2943         index entry.
2944
2945 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
2946
2947         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
2948         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2949         * config/mips/3000.md: Add copyright notice.  Remove automota and
2950         function units; use generic ones instead.  Only define reservations
2951         for things that are different from generic.md.  Extend each clause
2952         to include r3900.
2953         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
2954         * config/mips/mips.md: Include them. Remove define_function_units.
2955         (alu, imuldiv): New automata and units.
2956
2957 2004-07-12  Ben Elliston  <bje@au.ibm.com>
2958
2959         * doc/invoke.texi (Optimize Options): Document -frename-registers
2960         not being enabled by default at -O3.
2961
2962 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2963
2964         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
2965         floating point additions, to keep real immediate constant positive.
2966         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
2967         into X + C, and leave positive real constants as X - C.
2968
2969 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2970
2971         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
2972
2973 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2974
2975         PR tree-optimization/15654
2976         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
2977
2978 2004-07-11  Roger Sayle  <roger@eyesopen.com>
2979
2980         * builtins.c (fold_builtin_fputs): Don't bother converting the
2981         return type to integer_type_node, as we've already checked that
2982         the result will be ignored.
2983
2984         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
2985         that signed addition, subtraction, multiplication, division,
2986         remainder, negation and absolute value may potentially trap.
2987
2988         * fold-const.c (fold_ignored_result): New function to strip
2989         non-side-effecting tree nodes from an expression whose result
2990         is ignored.
2991         (fold_convert): Call fold_ignored_result when casting a value
2992         to VOID_TYPE.
2993         (omit_one_operand):  Call fold_ignored_result on the "omitted"
2994         operand when building a COMPOUND_EXPR.
2995         (pedantic_omit_one_operand): Likewise.
2996         * tree.h (fold_ignored_result): Prototype here.
2997         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
2998         when we're going to ignore the result.
2999
3000 2004-07-11  Richard Henderson  <rth@redhat.com>
3001
3002         PR tree-opt/16383
3003         * tree-ssa-ccp.c (fold_stmt_r): Split out...
3004         * tree.c (fields_compatible_p, find_compatible_field): ... new.
3005         * tree.h (fields_compatible_p, find_compatible_field): Declare.
3006         * tree-sra.c (sra_hash_tree): Hash fields by offset.
3007         (sra_elt_eq): Use fields_compatible_p.
3008         (generate_one_element_ref): Use find_compatible_field.
3009
3010 2004-07-11  Richard Henderson  <rth@redhat.com>
3011
3012         PR tree-opt/16422
3013         * tree-sra.c (generate_one_element_init): New.
3014         (generate_element_init): Use it.
3015         (scalarize_init): Push/pop gimplify context around it.
3016         (find_new_referenced_vars_1, find_new_referenced_vars): New.
3017         * gimplify.c (gimplify_expr): Allow SSA_NAME.
3018
3019 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3020
3021         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
3022         combine.c's combine_insn_cost.
3023         * rtl.h (insn_rtx_cost): Prototype here.
3024         * combine.c (combine_insn_cost): Delete function.
3025         (combine_validate_cost): Update callers of combine_insn_cost to
3026         call insn_rtx_cost instead.
3027         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
3028         requesting the rtx_cost of call and/or jump instructions.
3029
3030         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
3031         rtx_cost directly.  Don't request/use the cost of call or jump
3032         instructions.  Return -1 if the cost of any instruction can't be
3033         determined (or the BB contains a function call).
3034         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
3035         -1 (i.e. can't determine the cost of any instruction or the basic
3036         block contains a subroutine call).
3037         (find_if_case_2): Likewise.
3038
3039 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3040
3041         * rs6000.c (struct processor_costs): Change semantics of fields to
3042         include the COST_N_INSNS scaling, and update all initializers.
3043         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
3044         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
3045         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
3046         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
3047
3048 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3049
3050         * LANGUAGES: Remove obsolete information.
3051
3052 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3053
3054         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
3055         SIGBUS signal frames, the PSW address points *to* the faulting
3056         instruction, not after it.
3057
3058 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3059
3060         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
3061         added to TLS symbol addresses.
3062
3063 2004-07-11  Richard Henderson  <rth@redhat.com>
3064
3065         * expmed.c (init_expmed): Use stack-local structures for
3066         temporary rtl.  Don't recognize shifts.
3067
3068 2004-07-11  Richard Henderson  <rth@redhat.com>
3069
3070         * expr.c (store_expr): Don't fiddle subreg promotion for types
3071         with precision smaller than the mode.
3072
3073 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3074
3075         * tree.h (all_types_permanent): Remove.
3076
3077 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3078
3079         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
3080         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
3081         * langhooks.c (lhd_clear_binding_stack): Remove.
3082         * langhooks-def.h (lhd_clear_binding_stack,
3083         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3084         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
3085         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
3086         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3087         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
3088         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3089         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
3090         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3091         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
3092         * tree.h (poplevel): Don't declare.
3093         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
3094         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3095         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
3096         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
3097         Remove.
3098
3099 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3100
3101         PR tree-optimization/16437
3102         * c-common.c (shorten_compare): Don't mark result of conversion to
3103         narrower signed type as overflowing.
3104         * fold-const.c (decode_field_reference): Determine whether
3105         signedness comes from outer type using precision rather than size.
3106
3107 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3108
3109         * configure.ac:  Alphabetize --enable-checking list, add
3110         missing valgrind entry.
3111         * configure:  Regenerate.
3112
3113 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3114
3115         * doc/install.texi (Testing):  Fix syntax in "make check" example.
3116
3117 2004-07-10  James E Wilson  <wilson@specifixinc.com>
3118
3119         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
3120
3121 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3122
3123         PR rtl-optimization/16001
3124         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
3125         niter_expr.
3126
3127 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
3128
3129         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
3130
3131 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
3132             James Morrison  <phython@gcc.gnu.org>
3133
3134         * doc/contrib.texi (Contributors): Add gfortran contributors and
3135         fix a couple of typos.
3136
3137 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3138
3139         PR rtl-optimization/15387
3140         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
3141         to incoming args space correctly.
3142
3143 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3144
3145         * pa.c (output_indirect_call): Only use %r2 as the link register in
3146         indirect calls with the long PA 2.0 pc-relative branch.
3147
3148 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
3149
3150         * config/i386/i386.c (override_options): Pick a 64-bit CPU
3151         for the default tuning if TARGET_64BIT.
3152
3153 2004-07-10  Richard Henderson  <rth@redhat.com>
3154
3155         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
3156         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
3157
3158 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
3159
3160         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
3161         * expmed.c (store_bit_field, extract_bit_field): Remove last
3162         argument.
3163         * builtins.c (expand_builtin_signbit): Adjust callers.
3164         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
3165         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
3166         * ifcvt.c (noce_emit_move_insn): Likewise.
3167         * stmt.c (expand_return): Likewise.
3168         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
3169         store_field, expand_expr_real_1): Likewise.
3170
3171 2004-07-10  Richard Henderson  <rth@redhat.com>
3172
3173         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
3174
3175 2004-07-09  Mike Stump  <mrs@apple.com>
3176
3177         * config/darwin.c (no_dead_strip): Add.
3178         (HAVE_DEAD_STRIP): Add.
3179         (darwin_emit_unwind_label): Ensure that we don't dead code strip
3180         the .eh label.
3181
3182 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3183
3184         * tree-ssa-loop-im.c: New file.
3185         * Makefile.in (tree-ssa-loop-im.o): Add.
3186         * cfgloop.c (superloop_at_depth): New function.
3187         * cfgloop.h (superloop_at_depth): Declare.
3188         * common.opt (ftree-lim): New flag.
3189         * expr.c (array_ref_up_bound): New function.
3190         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
3191         * timevar.def (TV_LIM): New timevar.
3192         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
3193         computing immediate uses of a phi node.
3194         * tree-flow.h (struct tree_ann_common_d): Add aux field.
3195         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
3196         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
3197         * tree-pass.h (pass_lim): Declare.
3198         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
3199         functions.
3200         (pass_lim): New pass structure.
3201         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
3202         * tree.c (in_array_bounds_p): New function.
3203         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
3204         (in_array_bounds_p, array_ref_up_bound): Declare.
3205         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
3206         * doc/passes.texi (tree-ssa-loop-im.c): Document.
3207
3208 2004-07-09  Richard Henderson  <rth@redhat.com>
3209
3210         * builtins.c (expand_builtin_stpcpy): Don't modify len.
3211
3212         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
3213         with prejudice.
3214
3215 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
3216
3217         * flags.h: Delete redundant prototypes that are being generated
3218         in options.h from common.opt.
3219         * common.opt: Add in the expository comments formerly in flags.h.
3220
3221 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3222
3223         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
3224         available for use only when TARGET_MMX/_SSE is set, and check for
3225         variable argument function if any register count is non-zero.
3226         (function_arg): Correctly suppress repeated warnings for passing SSE
3227         vectors are arguments without SSE enabled.
3228         (ix86_function_arg_boundary): Without SSE enabled, the use of what
3229         would be SSE register modes does no longer influence the alignment.
3230
3231 2004-07-09  Richard Henderson  <rth@redhat.com>
3232
3233         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
3234         Always align upward to arg boundary.  Use size_in_bytes/round_up.
3235         Maintain type-correctness of constants.
3236         * stor-layout.c (round_up, round_down): Special-case powers of 2.
3237
3238 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3239
3240         * config/sparc/sparc.c (*_costs): Scale instruction costs
3241         by COSTS_N_INSNS.
3242         (sparc_rtx_costs): Adjust as appropriate.
3243
3244 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3245
3246         * config/i386/mm3dnow.h: New.
3247         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
3248
3249 2004-07-09  Richard Henderson  <rth@redhat.com>
3250
3251         * simplify-rtx.c (simplify_const_relational_operation): Only
3252         look at bounds of scalar integers.
3253
3254 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3255
3256         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
3257
3258 2004-07-09  Andrew Pinski  <apinski@apple.com>
3259
3260         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
3261         always referenced.
3262         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
3263         UOBJC_METACLASS_decl.
3264
3265 2004-07-09  James E Wilson  <wilson@specifixinc.com>
3266
3267         PR target/16364
3268         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
3269         do return a parallel if hfa_mode == XFmode and mode == TImode.
3270
3271 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3272
3273         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
3274         permissible for unary plus.
3275
3276 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3277
3278         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
3279         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
3280         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
3281         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
3282         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
3283         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
3284         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
3285         (BUILTIN_xxxIMAX): New.
3286         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
3287         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
3288         BUILT_IN_PARITYIMAX.
3289
3290 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3291
3292         * config/sparc/sparc.h (processor_costs): Define.
3293         (sparc_costs): Declare.
3294         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
3295         hypersparc_costs, sparclet_costs, ultrasparc_costs,
3296         ultrasparc3_costs): New.
3297         (sparc_override_options): Set sparc_costs as appropriate.
3298         (sparc_rtx_costs): Use sparc_costs instead of messy
3299         conditionals.
3300
3301 2004-07-09  Steven Bosscher  <stevenb@suse.de>
3302
3303         * doc/md.texi (Processor pipeline description): Mention that
3304         the old pipeline description is deprecated.
3305
3306         * config/rs6000/7450.md (automaton ppc7450): Split up, move
3307         mciu_7450 function unit to...
3308         (automaton ppc7450mciu): ...new automaton.
3309
3310         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
3311         (schedule_block): Don't consider inserting bubbles.
3312         (sched_init): Don't initialize DFA bubbles.
3313         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
3314         TARGET_SCHED_DFA_BUBBLE): Remove.
3315         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
3316         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
3317         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
3318
3319         * stmt.c (conditional_context): Remove prototype.
3320         * tree.h (conditional_context): Remove.
3321         * tree-cfg.c (pre_insert_on_edge): Remove.
3322
3323         * c-common.h (c_expand_asm_operands): Remove prototype.
3324         * c-typeck.c (c_expand_asm_operands): Remove.
3325
3326 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3327
3328         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
3329         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
3330         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
3331         and V8QI are class SSE. All sufficiently small remaining vector modes
3332         must be passed in one or two integer registers.
3333         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
3334         returned in memory.
3335         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
3336         __builtin_ia32_pmuludq128 have non-uniform argument and return types
3337         and must thus be handled explicitly.
3338         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
3339         MMX and XMM regs.
3340         (movv8qi_internal, movv4hi_internal, movv2si_internal,
3341         movv2sf_internal): Permit moving between MMX and XMM registers (since
3342         MMX areguments and return values are passed in XMM registers).
3343         (sse2_umulsidi3): Correct type and mode.
3344
3345 2004-07-09  Richard Henderson  <rth@redhat.com>
3346
3347         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
3348
3349 2004-07-09  Eric Christopher  <echristo@redhat.com>
3350
3351         * config/rs6000/40x.md: Split into two automatons.
3352
3353 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3354             Andrew Pinski  <apinski@apple.com>
3355
3356         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
3357         on when we have more than one input file.
3358         (c_common_parse_file): Restore loop over all input files.
3359         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
3360
3361         * c-decl.c (set_type_context): New function.
3362         (pop_scope): Use it to set context of types.  When we
3363         encounter a TYPE_DECL, set the context of the attached type too.
3364         (pop_file_scope): Don't call cpp_undef_all here.
3365         (diagnose_mismatched_decls): Do not complain about a second
3366         definition of an 'extern inline' function if it's not in the
3367         same translation unit.  Do not complain about inline
3368         declaration after use if the use was in a different
3369         translation unit.
3370         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
3371         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
3372         the external scope.
3373         (pushdecl_top_level): Likewise.
3374         (grokdeclarator): Clarify what is going on with setting
3375         DECL_EXTERNAL on function types, a little.
3376         (c_write_global_declarations): Don't do anything if
3377         -fsyntax-only or errors have been encountered.
3378
3379 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3380
3381         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
3382
3383 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3384
3385         PR target/16459
3386         * pa.c (output_indirect_call): Use %r2 as the link register when
3387         calling $$dyncall with a pc-relative branch.
3388
3389 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
3390
3391         * doc/install.texi (Binaries): Mention OpenPKG.
3392
3393 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
3394
3395         Fix PR tree-optimization/15555
3396         * tree-dfa.c (dump_variable): If the variable is a pointer
3397         SSA_NAME, also dump its points-to information.
3398         * tree-flow.h (struct ptr_info_def): Add field
3399         is_dereferenced.
3400         (dump_points_to_info_for): Declare.
3401         (debug_points_to_info_for): Declare.
3402         * tree-optimize.c (init_tree_optimization_passes): Add a
3403         second alias analysis pass after DOM2.
3404         Move pass_del_pta to a later spot.
3405         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
3406         create a name tags when we find a dereferenced pointer.  Just
3407         mark the pointer dereferenced.
3408         (collect_points_to_info_for): Move code to clear points-to
3409         information to create_name_tags.
3410         (create_name_tags): New function.
3411         (compute_flow_sensitive_aliasing): Call it.
3412         (setup_pointers_and_addressables): Mark type tags for renaming
3413         here instead of ...
3414         (create_memory_tag): ... here.
3415         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
3416         (dump_points_to_info_for): Declare extern.
3417         (debug_points_to_info_for): New function.
3418
3419 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
3420
3421         * config/arc/arc.md: Switch to DFA-based scheduler description.
3422         * config/arc/arc.c: Switch to DFA-based scheduler description.
3423
3424 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3425
3426         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
3427         pointer.
3428
3429 2004-07-09  Richard Henderson  <rth@redhat.com>
3430
3431         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
3432         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3433         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
3434         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3435
3436         * config/v850/v850-protos.h (v850_va_arg): Remove.
3437         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3438         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
3439         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
3440         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
3441         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
3442
3443 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3444
3445         PR target/12133
3446         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
3447         and DImode to use +/-4k offset.
3448
3449 2004-07-09  Richard Henderson  <rth@redhat.com>
3450
3451         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
3452         Remove.
3453         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3454         (xstormy16_gimplify_va_arg_expr): Rewrite from
3455         xstormy16_expand_builtin_va_arg.
3456         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
3457
3458         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
3459         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
3460
3461         * config/sh/sh-protos.h (sh_va_arg): Remove.
3462         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3463         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
3464         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
3465
3466         * config/pa/pa-protos.h (hppa_va_arg): Remove.
3467         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3468         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
3469         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3470
3471         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
3472         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3473         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
3474         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
3475
3476 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3477
3478         * config/sparc/sparc.md (return): Rewrite length formula.
3479         * config/sparc/sparc.c (output_return): Pass 1 as 5th
3480         argument to final_scan_insn when in a delay slot.
3481         (output_sibcall): Likewise.
3482
3483 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3484
3485         * arm.c (arm_cpp_interwork): New variable.
3486         (arm_override_options): Set it if TARGET_INTERWORK was on the command
3487         line.
3488         * arm.h (arm_cpp_interwork): Declare it.
3489         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
3490         __THUMB_INTERWORK__ in the preprocessor.
3491
3492 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
3493
3494         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
3495
3496 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3497
3498         PR target/16416
3499         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
3500         Override default settings to account for -m32 and -m64.
3501
3502 2004-07-08  Randolph Chung  <tausq@debian.org>
3503
3504         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
3505
3506 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
3507
3508         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
3509         before comparing it as such.
3510
3511 2004-07-08  Richard Henderson  <rth@redhat.com>
3512
3513         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
3514         temporary.  Use bit arithmetic to align.
3515
3516 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
3517
3518         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
3519         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
3520         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
3521         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
3522         add_labels_and_missing_jumps, find_jump_block,
3523         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3524         Likewise.
3525         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
3526         link_btr_uses, move_btr_def): Likewise.
3527         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
3528         expand_builtin_expect_jump): Likewise.
3529         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
3530         * calls.c (expand_call, emit_library_call_value_1): Likewise.
3531         * cfganal.c (forwarder_block_p): Likewise.
3532         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
3533         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
3534         find_bb_boundaries): Likewise.
3535         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3536         merge_blocks_move_predecessor_nojumps,
3537         merge_blocks_move_successor_nojumps, insns_match_p,
3538         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3539         try_optimize_cfg): Likewise.
3540         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
3541         * cfglayout.c (skip_insns_after_block, label_for_bb,
3542         record_effective_endpoints, insn_locators_initialize,
3543         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
3544         * cfgmainloop.c (create_loop_notes): Likewise.
3545         * cfgrtl.c (delete_insn, delete_insn_chain,
3546         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
3547         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
3548         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
3549         redirect_branch_edge, force_nonfallthru_and_redirect,
3550         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
3551         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
3552         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
3553         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3554         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
3555         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
3556         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
3557         * combine.c (combine_instructions, can_combine_p, try_combine,
3558         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
3559         distribute_notes, distribute_links, insn_cuid): Likewise.
3560         * cse.c (fold_rtx, cse_insn, cse_around_loop,
3561         invalidate_skipped_block, cse_set_around_loop,
3562         cse_end_of_basic_block, cse_main, cse_basic_block,
3563         cse_condition_code_reg): Likewise.
3564         * cselib.c (cselib_process_insn): Likewise.
3565         * ddg.c (create_ddg): Likewise.
3566         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
3567         Likewise.
3568         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3569         gen_label_die, dwarf2out_var_location): Likewise.
3570         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
3571         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
3572         last_call_insn, active_insn_p, next_label, prev_label,
3573         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
3574         add_insn_before, remove_insn, add_function_usage_to,
3575         reorder_insns, find_line_note, remove_unnecessary_notes,
3576         emit_insn_after_1, classify_insn): Likewise.
3577         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
3578         connect_post_landing_pads, sjlj_mark_call_sites,
3579         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
3580         can_throw_internal, can_throw_external, set_nothrow_function_flags,
3581         convert_to_eh_region_ranges): Likewise.
3582         * explow.c (optimize_save_area_alloca): Likewise.
3583         * expr.c (expand_expr_real): Likewise.
3584         * final.c (insn_current_reference_address, compute_alignments,
3585         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
3586         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
3587         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
3588         propagate_block_delete_insn, propagate_one_insn,
3589         init_propagate_block_info, propagate_block, libcall_dead_p,
3590         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
3591         Likewise.
3592         * function.c (instantiate_virtual_regs, reorder_blocks_1,
3593         expand_function_start, expand_function_end, contains,
3594         thread_prologue_and_epilogue_insns,
3595         reposition_prologue_and_epilogue_notes): Likewise.
3596         * gcse.c (constprop_register, bypass_conditional_jumps,
3597         insert_insn_end_bb, gcse_after_reload): Likewise.
3598         * genemit.c (gen_expand, gen_split): Likewise.
3599         * genpeep.c (gen_peephole, main): Likewise.
3600         * global.c (build_insn_chain): Likewise.
3601         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
3602         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
3603         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
3604         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
3605         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
3606         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
3607         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
3608         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
3609         dead_or_predicable): Likewise.
3610         * integrate.c (try_constants): Likewise.
3611         * jump.c (rebuild_jump_labels, cleanup_barriers,
3612         purge_line_number_notes, init_label_info, mark_all_labels,
3613         squeeze_notes, get_label_before, get_label_after,
3614         reversed_comparison_code_parts, simplejump_p, pc_set,
3615         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
3616         delete_barrier, delete_prior_computation, delete_computation,
3617         delete_related_insns, delete_for_peephole, redirect_jump):
3618         Likewise.
3619         * lcm.c (optimize_mode_switching): Likewise.
3620         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
3621         Likewise.
3622         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
3623         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
3624         * loop-iv.c (simplify_using_assignment): Likewise.
3625         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
3626         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
3627         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
3628         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
3629         check_insn_for_givs, check_final_value, update_giv_derive,
3630         basic_induction_var, product_cheap_p, check_dbra_loop,
3631         loop_insn_first_p, last_use_this_basic_block,
3632         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
3633         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
3634         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
3635         sms_schedule_by_order): Likewise.
3636         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
3637         * postreload.c (reload_cse_simplify_operands, reload_combine,
3638         reload_cse_move2add): Likewise.
3639         * predict.c (can_predict_insn_p, estimate_probability,
3640         expected_value_to_br_prob, process_note_predictions): Likewise.
3641         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
3642         * profile.c (branch_prob): Likewise.
3643         * ra-build.c (live_out_1, livethrough_conflicts_bb,
3644         detect_webs_set_in_cond_jump): Likewise.
3645         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
3646         ra_print_rtl_with_bb): Likewise.
3647         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
3648         * recog.c (next_insn_tests_no_inequality, find_single_use,
3649         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
3650         * reg-stack.c (next_flags_user, record_label_references,
3651         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
3652         compensate_edge, convert_regs_1): Likewise.
3653         * regclass.c (scan_one_insn): Likewise.
3654         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3655         regmove_optimize, fixup_match_1, single_set_for_csa,
3656         combine_stack_adjustments_for_block): Likewise.
3657         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
3658         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
3659         find_equiv_reg): Likewise.
3660         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
3661         reload_as_needed, emit_input_reload_insns, do_output_reload,
3662         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
3663         Likewise.
3664         * reorg.c (find_end_label, emit_delay_sequence,
3665         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
3666         get_jump_flags, rare_destination, mostly_true_jump,
3667         try_merge_delay_insns, redundant_insn, own_thread_p,
3668         fill_simple_delay_slots, fill_slots_from_thread,
3669         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
3670         dbr_schedule): Likewise.
3671         * resource.c (find_basic_block, next_insn_no_annul,
3672         find_dead_or_set_registers, mark_target_live_regs): Likewise.
3673         * rtl.h (RTX_PREV): Likewise.
3674         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
3675         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
3676         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
3677         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
3678         tablejump_p, computed_jump_p, insns_safe_to_move_p,
3679         find_first_parameter_load, can_hoist_insn_p): Likewise.
3680         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
3681         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
3682         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
3683         schedule_ebbs): Likewise.
3684         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
3685         is_conditionally_protected, can_schedule_ready_p,
3686         add_branch_dependences, debug_dependencies): Likewise.
3687         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
3688         Likewise.
3689         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
3690         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
3691         set_dominates_use, ujump_to_loop_cont): Likewise.
3692         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
3693         * varasm.c (output_constant_pool_1): Likewise.
3694
3695 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3696
3697         * tree-scalar-evolution.c: New file.
3698         * tree-scalar-evolution.h: New file.
3699         * tree-ssa-loop-niter.c: New file.
3700         * Makefile.in (SCEV_H): New.
3701         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
3702         * cfgloop.h (struct loop): Add bounds field.
3703         * tree-flow.h (struct tree_niter_desc): New type.
3704         (number_of_iterations_cond, number_of_iterations_exit,
3705         loop_niter_by_eval, find_loop_niter_by_eval,
3706         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
3707         free_numbers_of_iterations_estimates): Declare.
3708         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
3709         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
3710         * doc/invoke.texi (max-iterations-to-track): Document.
3711
3712 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3713
3714         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
3715         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
3716         (MODE_AFTER): Add cast appropriately.
3717         * config/sh/sh.md (movdi splitter): Likewise.
3718         (casesi_worker_2): Add const qualifier appropriately.
3719         (eh_return): Remove unused variable.
3720         (insv): Initialize v;
3721
3722 2004-07-08  Richard Henderson  <rth@redhat.com>
3723
3724         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
3725         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3726         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
3727         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
3728         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
3729
3730         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
3731         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3732         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
3733         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
3734
3735         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
3736         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3737         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
3738         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
3739
3740         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
3741         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3742         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
3743         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
3744
3745         * config/i860/i860-protos.h (i860_va_arg): Remove.
3746         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3747         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
3748         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
3749
3750 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3751
3752         * system.h: Prototype getpagesize if missing.
3753         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
3754         * configure: Regenerate.
3755         * config.in: Regenerate.
3756
3757 2004-07-08  Richard Henderson  <rth@redhat.com>
3758
3759         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
3760         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3761         (fr30_gimplify_va_arg_expr): New.
3762         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
3763         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
3764
3765 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
3766
3767         PR target/16414
3768         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
3769         of asm_noperands result.
3770
3771 2004-07-08  Richard Henderson  <rth@redhat.com>
3772
3773         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
3774         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3775         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
3776         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
3777
3778 2004-07-08  Richard Henderson  <rth@redhat.com>
3779
3780         * builtins.c (ind_gimplify_va_arg_expr): New.
3781         * tree.h (ind_gimplify_va_arg_expr): Declare.
3782         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
3783
3784 2004-07-08  Jan Beulich  <jbeulich@novell.com>
3785
3786         * expmed.c (extract_bit_field): Correct condition to use vec_extract
3787         patterns also on vector elements other than the first one.
3788         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
3789         break statements.
3790
3791 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
3792
3793         * config/rs6000/darwin-ldouble.c: Correct reference
3794         to the Linnainmaa paper.
3795
3796 2004-07-08  Richard Henderson  <rth@redhat.com>
3797
3798         * config/arc/arc-protos.h (arc_va_arg): Remove.
3799         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3800         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
3801         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3802
3803         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
3804         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3805         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
3806         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
3807
3808 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3809
3810         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
3811
3812 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3813
3814         * c-decl.c (static_ctors, static_dtors): Make static.
3815         (pop_file_scope): Call c_common_write_pch and
3816         cgraph_finalize_compilation_unit here.
3817         (build_cdtor): Moved here from c-objc-common.c; simplify.
3818         (c_write_global_declarations_1): Clarify comment.
3819         (c_write_global_declarations): Close the external scope before
3820         doing anything else.  Call build_cdtor, cgraph_optimize, and
3821         mudflap_finish_file here.
3822         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
3823         Clarify comment.
3824         * c-objc-common.c: No need to include cgraph.h.
3825         (build_cdtor): Moved to c-decl.c.
3826         (c_objc_common_finish_file): Delete.
3827         * c-tree.h: Update to match.
3828         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
3829         (generate_static_references): Set TREE_USED before calling finish_decl.
3830         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
3831         on the static_instances_decl.
3832
3833 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3834
3835         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
3836         decls when there is only one input translation unit.
3837         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
3838         change of 2004-07-05; do not treat declarations with
3839         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
3840         * opts.c (cur_in_fname): Delete.
3841         * opts.h: Likewise.
3842         * tree.c: Revert changes of 2004-07-05; no special treatment
3843         for TRANSLATION_UNIT_DECLs.
3844         * Makefile.in (tree.o): Update dependencies.
3845
3846 2004-07-08  Roger Sayle  <roger@eyesopen.com>
3847
3848         * builtins.c (fold_builtin_strcpy): Merge functionality from
3849         simplify_builtin_strcpy.  Add additional len argument.  No longer
3850         static.  Remove function prototype.
3851         (fold_builtin_strncpy): Likewise integrate functionality from
3852         simplify_builtin_strncpy.  Add additional slen argument.  No
3853         longer static.  Remove function prototype.
3854         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
3855         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
3856         types of "ignore" and "unlocked" parameters to bool.
3857         (fold_builtin_1):  Add additional ignore argument.  Call renamed
3858         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
3859         builtins.  Update arguments to fold_builtin_strncpy and
3860         fold_builtin_strcpy.  Add function prototype.
3861         (fold_builtin): Add additional Boolean ignore argument to pass
3862         to fold_builtin_1.
3863         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
3864         and fold_builtin_strncpy instead of simplify_builtin_fputs,
3865         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
3866
3867         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
3868         simplify_builtin_strncpy): Delete function prototypes.
3869         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
3870         fold_builtin_strncpy): Add function prototypes here.
3871         (fold_builtin): Update function prototype with new "bool ignore".
3872
3873         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
3874         (ccp_fold_builtin):  Update call to fold_builtin.  Call
3875         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
3876         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
3877         simplify_builtin_strncpy respectively.
3878         * fold-const.c (fold): Update call to fold_builtin.
3879
3880 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3881
3882         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
3883         to strcpy.
3884
3885         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
3886         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
3887         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
3888         * calls.c: Remove ifdefs of macros above.
3889         * functions.c: Likewise.
3890         * expr.c: Likewise.
3891
3892 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3893
3894         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
3895         (arch attribute): Delete.
3896         (current_function_calls_alloca attribute): Rename into calls_alloca.
3897         (calls_eh_return): New attribute.
3898         (leaf_function): Likewise.
3899         (length attribute): Fix formula for sibcalls.
3900         (return insn): Correctly compute the 'length' attribute.
3901         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
3902
3903 2004-07-08  Richard Henderson  <rth@redhat.com>
3904
3905         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
3906         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
3907         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
3908         * tree-eh.c (lower_eh_constructs_1): Likewise.
3909         * tree-sra.c (sra_walk_modify_expr): Likewise.
3910         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3911         (eliminate_unnecessary_stmts): Likewise.
3912         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3913         * tree-tailcall.c (optimize_tail_call): Likewise.
3914         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
3915
3916 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3917             Jakub Jelinek  <jakub@redhat.com>
3918
3919         * config/i386/i386.c (override_options): Enable
3920         SSE prefetches with -mtune, as long as we are
3921         compiling for i686 or higher.  All i686 processors
3922         accept SSE prefetches as NOPS, some i586's don't.
3923
3924 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3925
3926         PR target/10567
3927         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
3928
3929 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3930
3931         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
3932         the handling of clobbering ASM_EXPRs.
3933
3934 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3935
3936         PR target/16430
3937         * config/sparc/sparc.c (function_value): In 64-bit mode,
3938         return the aggregates larger than 16 bytes like unions.
3939
3940 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3941
3942         PR target/16199
3943         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
3944         'temp' is zero, generate new pseudos as needed and emit the
3945         sequence of insns in single-assignment form.  Resync comments
3946         with code.
3947         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
3948         function before reload.
3949
3950 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
3951
3952         * vec.c (vec_assert_fail): Remove duplicate 'function'.
3953
3954         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
3955
3956         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
3957         Allocation is signed.
3958         (VEC_reserve): Return flag, allocation is signed.
3959
3960 2004-07-08  Richard Henderson  <rth@redhat.com>
3961
3962         * tree-ssa-ccp.c (fold_stmt): Get type directly from
3963         OBJ_TYPE_REF_OBJECT.
3964
3965 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3966             Neil Booth  <neil@daikokuya.co.uk>
3967
3968         PR c/2511
3969         PR c/3325
3970         * c-decl.c (finish_struct): Ensure bit-fields are given the
3971         correct type.
3972         * c-common.c (c_common_signed_or_unsigned_type): For C, require
3973         the precision to match as well as the mode.
3974         * expr.c (reduce_to_bit_field_precision): New function.
3975         (expand_expr_real_1): Reduce expressions of bit-field type to
3976         proper precision.
3977         * langhooks.h (reduce_bit_field_operations): New hook.
3978         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3979         Define.
3980         * c-lang.c, objc/objc-lang.c
3981         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
3982         * objc/objc-act.c (check_ivars): Convert types to bit-field types
3983         before checking.
3984         * tree.c (build_nonstandard_integer_type): New function.
3985         * tree.h (build_nonstandard_integer_type): New prototype.
3986         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
3987         conversions between integer and boolean types as useless.
3988
3989 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3990
3991         * c-common.c (c_common_nodes_and_builtins): Do not
3992         create __builtin_ptrdiff_t and __builtin_size_t.
3993
3994 2004-07-08  Andrew Pinski  <apinski@apple.com>
3995
3996         * Makefile.in (libbackend.o): Add -combine to the gcc
3997         command line.
3998
3999 2004-07-08  Nick Clifton  <nickc@redhat.com>
4000
4001         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
4002         Set to -Os.
4003
4004 2004-07-08  Richard Henderson  <rth@redhat.com>
4005
4006         * except.c (expand_eh_region_start, expand_eh_region_end,
4007         expand_eh_handler, expand_eh_region_end_cleanup,
4008         expand_start_all_catch, expand_start_catch, expand_end_catch,
4009         expand_end_all_catch, expand_eh_region_end_allowed,
4010         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
4011         expand_eh_region_end_fixup): Remove.
4012         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
4013         cleanups, outer_cleanups, label_chain, exception_region.
4014         (struct goto_fixup): Remove stack_level, cleanup_list_list.
4015         (struct label_chain): Remove.
4016         (struct stmt_status): Remove x_stack_block_stack.
4017         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
4018         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
4019         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
4020         end_cleanup_deferral, last_cleanup_this_contour,
4021         containing_blocks_have_cleanups_or_stack_level,
4022         any_pending_cleanups): Remove.
4023         (expand_null_return_1): Take no arguments.
4024         (expand_label, expand_naked_return, expand_return,
4025         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
4026         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
4027         expand_end_case_type): Don't use any of them.
4028         * calls.c (expand_call): Likewise.
4029         * dojump.c (do_jump): Likewise.
4030         * function.c (expand_function_end): Likewise.
4031         * expr.c (store_expr, expand_expr_real_1): Likewise.
4032         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
4033         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
4034         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
4035         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
4036         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
4037         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
4038         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
4039         for WITH_CLEANUP_EXPR.
4040         (gimple_push_cleanup): Likewise.
4041         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
4042         * print-tree.c (print_node): Likewise.
4043         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
4044         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
4045         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
4046         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
4047         (GOTO_SUBROUTINE_EXPR): Remove.
4048         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
4049         (DECL_TOO_LATE): Remove.
4050         * except.h, tree.h: Update decls.
4051
4052 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4053
4054         * explow.c (optimize_save_area_alloca): Do not accept parameters.
4055         * passes.c (rest_of_handle_final): Handle symout.
4056         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
4057         Push timevar here.
4058         (rest_of_handle_sched): Break out SMS.  Remove ifs for
4059         flag_schedule_insns and flag_modulo_sched.
4060         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
4061         collect at the end.
4062         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
4063         (rest_of_handle_partition_blocks, rest_of_handle_sms,
4064         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
4065         rest_of_handle_mode_switching, rest_of_handle_jump,
4066         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
4067         rest_of_handle_jump2, rest_of_handle_postreload,
4068         rest_of_handle_flow2, rest_of_clean_state,
4069         rest_of_handle_shorten_branches,
4070         rest_of_handle_prologue_epilogue,
4071         rest_of_handle_branch_target_load_optimize): New.
4072         (rest_of_compilation): Call the above.  Remove ggc_collect
4073         calls moved to rest_of_handle_*.
4074         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
4075
4076         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
4077         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
4078         * except.h (set_nothrow_function_flags): Update comment.
4079         * function.c (current_function_nothrow): Remove.
4080         * output.h (current_function_nothrow): Remove.
4081         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
4082         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
4083
4084 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4085
4086         PR bootstrap/16326
4087         * reorg.c: Revert 2004-06-30 change.
4088         (find_end_label): If HAVE_epilogue and !HAVE_return,
4089         return 0 instead of creating a label at the end of the insn chain.
4090         (optimize_skip): Account for the failure mode of find_end_label.
4091         (fill_simple_delay_slots): Likewise.
4092         (fill_slots_from_thread): Likewise.
4093         (relax_delay_slots): Likewise.
4094
4095 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
4096
4097         * tree-flow.h (addressable_vars): Declare.
4098         * tree-ssa-alias.c (addressable_vars): Define.
4099         (setup_pointers_and_addressables): Add addressable variables
4100         to addressable_vars.
4101         * tree-ssa-operands.c (get_stmt_operands): Move
4102         handling of ASM_EXPRs ...
4103         (get_asm_expr_operands): ... here.
4104         When the ASM_EXPR clobbers memory, also clobber addressable
4105         variables.
4106         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
4107         (delete_tree_ssa): Reset addressable_vars.
4108
4109 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4110             Richard Henderson  <rth@redhat.com>
4111
4112         * varasm.c (assemble_variable): Use assemble_zeros for
4113         zero-initialized variables.
4114         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
4115         for SECCAT_BSS and SECCAT_TBSS.
4116
4117 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4118
4119         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
4120
4121         * expmed.c (emit_store_flag): Also special-case double-word
4122         (in-)equality comparison against -1.
4123
4124         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
4125         passing arguments the containers for which are registers.
4126
4127         * calls.c (emit_library_call_value_1): Use mode of function parameter
4128         rather than that of argument since constants have none.
4129
4130 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
4131
4132         Introduce H8SX support.
4133         * expr.c (expand_strcpy): Renamed and moved to...
4134         * builtins.c (expand_movstr): ... here.  Tweak.
4135         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
4136         computed or has side effects.
4137         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
4138         unused, or if mempcpy fails.  Adjust the return value in the
4139         latter case.  Use movstr if everything else fails.
4140         * doc/md.texi (movstr): Document.
4141         (movmemM, clrmemM): Fix explanation of memory block operands.
4142         * config/h8300/h8300.md (stpcpy): Renamed to...
4143         (movstr): ... this.  Adjust.
4144         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4145         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
4146         movmem* and clrstr* to clrmem*.
4147         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
4148         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
4149         GENERAL_REGS, always.
4150         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
4151         getting the stack pointer as addr.
4152         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
4153         from general_operand_dst.
4154         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
4155         variant of...
4156         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
4157         instead of requiring it to match only before reload.
4158         (stpcpy_internal_normal): New, normal-mode variant of...
4159         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
4160         `D' instead of requiring it to match only before reload.
4161         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
4162         mode argument.
4163         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
4164         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
4165         h8300_get_index.
4166         * config/h8300/h8300.md (attr type): Add call.
4167         (attr can_delay): If type is call, set it no.
4168         (call, call_value): Set type to call.
4169         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
4170         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
4171         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
4172         * tree.c (get_narrower): Don't narrow integral types into
4173         non-integral types.
4174         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
4175         frame_size *before* the first use.
4176         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
4177         on input.
4178         (peephole2): Don't widen instructions that push SP.  Move
4179         decrement of SP to the end of all stm-generating peepholes.
4180         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4181         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
4182         and OR to set it to all ones.
4183         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4184         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
4185         (call, call_value): Set can_delay to "no".
4186         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
4187         * config/h8300/h8300.md (extzv): Make subreg check more robust.
4188         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4189         * config/h8300/h8300.md (*brabit): Remove.
4190         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
4191         zero_extract.  Use bit_memory_operand as the predicate for
4192         operand 1 and 'WU' as the constraint.  Check the difference
4193         between the base length and the final one when deciding which
4194         type of branch to use.
4195         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4196         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
4197         Use convert_move to extend the result for TARGET_H8300SX.  Check
4198         for QImode memory references.  Optimize the case where the
4199         destination is a paradoxical subreg.
4200         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4201         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
4202         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
4203         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4204         * config/h8300/h8300.md: Include mova.md
4205         (length_table): Add mova and mova_zero.
4206         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
4207         after all constant addresses for '%R', '%X', '%T' and '%S'.
4208         (h8300_mova_length): New function.
4209         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
4210         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
4211         dependencies for s-config, etc.
4212         * config/h8300/gemova.sh: New file.
4213         * config/h8300/mova.md: Generated.
4214         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
4215         * config/h8300/h8300.c (h8300_bitfield_length): New.
4216         (nibble_operand): Adjust.
4217         (h8300_binary_length): Handle conditional binary op.
4218         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
4219         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
4220         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
4221         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
4222         constraints.  WU is introduced as a variant of U that requires a
4223         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
4224         * config/h8300/h8300.md (attr type): Added bitbranch.
4225         (attr length_table): Added bitfield and bitbranch.
4226         (attr length): Compute bitbranch length.
4227         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
4228         least-significant bit of a byte.
4229         (brabit, brabc, brabs): New.
4230         (insv, extzv): Emit bfst and bfld on H8300SX.
4231         (bfld, bfst, seq, sne): New.
4232         (bstzhireg, cmpstz, bstz, bistz): New.
4233         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
4234         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
4235         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
4236         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
4237         (h8sx_unary_memory_operator): New function.
4238         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
4239         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
4240         * config/h8300/h8300.md: Add peepholes to combine reloads and
4241         arithmetic insns.
4242         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4243         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
4244         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
4245         (and?i, ior?i, xor?i): Likewise.
4246         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4247         * config/h8300/h8300.c: Move enums and prototypes to head of file.
4248         Various whitespace fixes.
4249         (h8300_constant_length): New function, split out from...
4250         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
4251         (h8300_classify_operand): Use IN_RANGE.
4252         (h8300_classify_operand): Use h8300_constant_length.
4253         (h8300_short_move_mem_p): Tighten size check.
4254         (h8sx_mergeable_memrefs_p): Tighten equality check.
4255         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
4256         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
4257         for -msx.
4258         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
4259         * config/h8300/crtn.asm: Likewise.
4260         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
4261         if __H8300SX__ is defined.
4262         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
4263         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
4264         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
4265         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
4266         addresses as mode-dependent.
4267         * config/h8300/h8300.c (print_operand_address): Update call to
4268         h8300_get_index.
4269         (h8300_get_index): Take a mode argument.  Rework to fix an
4270         earlier misunderstanding.
4271         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
4272         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
4273         into a register if TARGET_H8300SX.
4274         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
4275         TARGET_H8300SX.  Also disable related define_splits.
4276         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
4277         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
4278         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
4279         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4280         * config/h8300/h8300.h (OK_FOR_Z): New macro.
4281         (EXTRA_CONSTRAINT_STR): Check it.
4282         * config/h8300/h8300.c (h8300_classify_operand): Accept null
4283         class arguments.
4284         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
4285         * config/h8300/h8300.md (length_table): Add mov_imm4.
4286         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
4287         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4288         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
4289         be a label.
4290         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
4291         * config/h8300/h8300.c (h8300_reorg): New function.
4292         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4293         * config/h8300/h8300.md (length): Subtract the length of the
4294         delay slot from (pc) when checking the range of forward branches.
4295         (delay_slot, can_delay): New attributes.
4296         (define_delay): Add bra/s handling.
4297         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
4298         (jump): Add delayed-branch handling.
4299         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
4300         * expr.c (expand_strcpy): New function.
4301         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
4302         (expand_builtin_stpcpy): Likewise.
4303         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
4304         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
4305         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
4306         handling to improve register allocation for -fno-omit-frame-pointer.
4307         (h8sx_split_movmd): Delete, moving er6 handling into...
4308         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
4309         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
4310         (movmd): Add calls to copy_rtx.
4311         (movmd_internal): In the second alternative, allow the initial and
4312         final destination registers to be different .  Update the splitter
4313         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
4314         instead of h8sx_split_movmd.
4315         (stpcpy, movsd): New expanders.
4316         (movsd_internal): New define_insn.
4317         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
4318         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
4319         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
4320         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
4321         and DESTINATION_REGS.
4322         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4323         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
4324         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
4325         (h8300_move_ratio): Declare.
4326         (MOVE_RATIO): Use it.
4327         * config/h8300/h8300.c (h8300_move_ratio): New variable.
4328         (h8300_init_once): Initialize it.
4329         (h8300_reg_class_from_letter): New function.
4330         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
4331         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
4332         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
4333         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
4334         (movstrsi, movmd): New expanders.
4335         (movmd_internal): New insn.
4336         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
4337         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
4338         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
4339         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
4340         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
4341         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4342         * config/h8300/h8300.c (nibble_operand): Fix warning.
4343         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
4344         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
4345         (movsf_h8300h): Disable for TARGET_H8300SX.
4346         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4347         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
4348         h8300_stm_parallel and h8300_return_parallel.
4349         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
4350         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
4351         h8300_stm_parallel, h8300_return_parallel): New functions.
4352         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
4353         if TARGET_H8300SX.  Use h8300_push_pop.
4354         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
4355         and final pop when generating h8sx code.  Always emit some form
4356         of return insn.
4357         * config/h8300/h8300.md: Don't enforce register alignment in
4358         stm peepholes if TARGET_H8300SX.
4359         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
4360         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
4361         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
4362         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4363         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
4364         (MULTILIB_DIRNAMES): Add a directory for it.
4365         (MULTILIB_MATCHES): Delete.
4366         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4367         * final.c (walk_alter_subreg): Handle addresses with subregs
4368         inside a ZERO_EXTEND or AND.
4369         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
4370         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
4371         if TARGET_H8300SX.
4372         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
4373         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
4374         @(dd,Rn.w) and @(dd,ERn.L).
4375         (h8300_displacement_size): Take the whole address as argument.
4376         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
4377         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4378         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
4379         (h8sx_mergeable_memrefs_p): Declare.
4380         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
4381         (HAVE_PRE_INCREMENT): Likewise.
4382         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
4383         addresses for TARGET_H8300SX,
4384         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
4385         and POST_DEC.
4386         (movb_length_table, movl_length_table): New tables.
4387         (movw_length_table): Define to movb_length_table.
4388         (h8300_displacement_size): New, split out from...
4389         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
4390         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
4391         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
4392         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
4393         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
4394         (compute_plussi_length, compute_plussi_cc): Update accordingly.
4395         (h8sx_unary_shift_operator): Get the mode from the operator.
4396         (binary_shift_operator): Likewise.
4397         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
4398         a memory reference, check whether the reference is offsettable.
4399         (length_table): Add movb, movw and movl.
4400         (movqi): Add new h8sx pattern.  Don't force one operand to be a
4401         register when generating h8sx code.
4402         (movhi, movsi, movsf): Likewise.
4403         (movstrictqi): Use the length_table attribute.
4404         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
4405         (addqi3): Split into a define_expand and define_insn.  Don't accept
4406         memory operands in the expander.  Use h8300_operands_match_p to
4407         check for matching operands in the define_insn.
4408         (subqi3, negqi2, one_cmplqi2): Likewise.
4409         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
4410         in any patterns that are unused in h8sx code.  In the h8sx patterns,
4411         use h8300_operands_match_p to check whether operands match.
4412         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
4413         one_cmpl[hs]i3): Likewise.
4414         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
4415         in the expander.
4416         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
4417         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
4418         (h8300_insn_length_from_table): Add a second parameter.
4419         (output_h8sx_shift): Declare.
4420         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
4421         (EXTRA_CONSTRAINT): Replace with...
4422         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
4423         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
4424         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
4425         and h8sx_binary_shift_operator.
4426         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
4427         for TARGET_H8300SX.
4428         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
4429         (bit_memory_operand, fix_bit_operand): Likewise.
4430         (h8300_length_table_for_insn): Remove.
4431         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
4432         instructions.
4433         (h8300_short_immediate_length, h8300_binary_length): New functions.
4434         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
4435         (output_plussi): Use sub to add negative constants.
4436         (compute_plussi_length): Adjust accordingly.
4437         (h8sx_single_shift_type): New enum.
4438         (h8sx_single_shift, h8sx_unary_shift_operator,
4439         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
4440         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
4441         single h8sx instruction.  Return false in this case.
4442         * config/h8300/h8300.md (length_table): Add short_immediate.
4443         (length): Pass the operand array to h8300_insn_length_from_table.
4444         (adjust_length): Assume "no" for insns with a length_table attribute.
4445         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
4446         (*addhi3_h8300hs): Don't use for h8sx.
4447         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
4448         and sub.w #xx:3.
4449         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
4450         1's predicate to nonimmediate_operand.  Only skip default expansion
4451         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
4452         for single h8sx shift instructions.
4453         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
4454         * config/h8300/h8300.c (nibble_operand): Split out of...
4455         (reg_or_nibble_operand): ... this.
4456         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
4457         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
4458         umulhisi3): Introduce expand, and introduce separate insns for
4459         sign- or zero-extended REG and already-extended CONST_INT.
4460         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
4461         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
4462         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
4463         (subhi3): Likewise.  Don't accept immediates for operand 1.
4464         Remove the early clobber from second alternative of the h8300s pattern.
4465         (subsi3): Generalize for h8sx.  Force operand 2 into a register
4466         on plain h8300 targets.
4467         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
4468         (subsi3_h8300h): Generalize for h8sx.
4469         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
4470         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
4471         * config/h8300/h8300.c (reg_or_nibble_operand): New.
4472         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4473         (TARGET_H8300SXMUL): New.
4474         (CONST_OK_FOR_P): New.
4475         (CONST_OK_FOR_LETTER_P): Adjust.
4476         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
4477         umulhisi3): Accept 4-bit immediate on H8SX.
4478         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
4479         (udivsi3, divhi3, udivsi3, divsi3): New.
4480         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
4481         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
4482         * config/h8300/h8300.h (OK_FOR_Q): New macro.
4483         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
4484         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
4485         Add ADDRESSOF to the bit_operand entry.
4486         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
4487         (h8300_src_operand): Likewise.
4488         (bit_operand): Check nonimmediate_operand rather than general_operand.
4489         Accept any nonimmediate_operand in h8sx code.
4490         (h8300_and_costs): Initialize operands[1].
4491         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
4492         (h8300_operand_class): New enum.
4493         (h8300_length_table): New typedef.
4494         (addb_length_table, addw_length_table, addl_length_table,
4495         logicl_length_table): New tables.
4496         (logicb_length_table, logicw_length_table): New macros.
4497         (h8300_classify_operand, h8300_length_from_table,
4498         h8300_length_table_for_insn, h8300_unary_length,
4499         h8300_insn_length_from_table): New functions.
4500         (output_plussi): Only use adds and subs for register destinations.
4501         Disable redundant clause.
4502         (compute_plussi_cc): Likewise.
4503         (compute_plussi_length): Likewise.  Use h8300_length_from_table
4504         to work out the length of an insn.
4505         (output_logical_op): Only use narrower immediate instructions
4506         if the destination is a register.
4507         (compute_logical_op_cc): Likewise.
4508         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
4509         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
4510         * config/h8300/h8300.md (length_table): New attribute.
4511         (length): When an instruction has a length_table attribute, use
4512         h8300_insn_length_from_table to calculate its default length.
4513         (cmpqi): Use h8300_dst_operand for the first operand and
4514         h8300_src_operand for the second.
4515         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
4516         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
4517         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
4518         iorsi3, xorhi3, xorsi3): Likewise.
4519         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
4520         so that it allows any combination of operands for TARGET_H8300SX.
4521         (iorqi3, xorqi3): Likewise.
4522         (cmpqi): Use the length_table attribute.
4523         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
4524         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4525         (cmpqi): Add 'Q' constraint.
4526         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
4527         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4528         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
4529         * config/h8300/h8300.h (MASK_H8300SX): New macro.
4530         (TARGET_H8300S): True for both -ms and -msx.
4531         (TARGET_H8300SX): New macro.
4532         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
4533         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
4534         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
4535         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
4536         [Temporary change.]
4537         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
4538         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
4539         16-bit pointers and 32-bit ints.
4540         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
4541         CONST_DOUBLE with mode no wider than SImode.
4542         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
4543         output operand.
4544         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
4545         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
4546         or SUBREG thereof.
4547         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4548         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
4549         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
4550
4551 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4552
4553         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
4554
4555 2004-07-07  Per Bothner  <per@bothner.com>
4556
4557         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
4558
4559 2004-07-07  Mike Stump  <mrs@apple.com>
4560
4561         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
4562         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
4563         (machopic_finish): Likewise.
4564
4565 2004-07-07  Richard Henderson  <rth@redhat.com>
4566
4567         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
4568         through any value-preserving cast.
4569
4570 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4571
4572         * function.c (assign_parm_find_data_types): Call
4573         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
4574
4575 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4576
4577         * tree-cfg.c (group_case_labels): Remove case labels that have
4578         the same target as the default case.
4579
4580 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4581
4582         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
4583         regardless of DECL_LANG_SPECIFIC being present or not.
4584         * tree.h (DECL_NUM_STMTS): Purge.
4585
4586 2004-07-07  Andrew Pinski  <apinski@apple.com>
4587
4588         * configure: Regenerate with the right autoconf.
4589
4590 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
4591
4592         * ifcvt.c (total_bb_rtx_cost): New function.
4593         (find_if_case_1): Compare rtx_cost of basic block to cost of
4594         BRANCH_COST insns.
4595         (find_if_case_2): Same.
4596
4597 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4598
4599         PR target/10567
4600         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
4601         (output_return): Likewise.
4602         (output_sibcall): Abort if !flag_delayed_branch.
4603         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
4604         (emit_and_preserve): New function.
4605         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
4606         indirect jump to the thunked-to function if !flag_delayed_branch.
4607         * config/sparc/sparc.md (delayed_branch): New attribute.
4608         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
4609         attribute to compute the length of the insn.
4610         (goto_handler_and_restore): Likewise.
4611
4612 2004-07-07  Andrew Pinski  <apinski@apple.com>
4613
4614         PR tree-optimization/15777
4615         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
4616
4617         * expr.c (expand_expr_real_1): Fix formating.
4618         BUFFER_REF and IN_EXPR are dead.
4619         * fold-const.c (non_lvalue): BUFFER_REF is dead.
4620         * tree-inline.c (estimate_num_insns_1): Likewise.
4621         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
4622         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
4623         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
4624
4625 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4626
4627         * collect2.c (dump_file): Don't call cplus_demangle if
4628         HAVE_LD_DEMANGLE is defined.
4629         (main): Pass "--demangle" to ld if no_demangle is not 0 and
4630         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
4631         if HAVE_LD_DEMANGLE is defined.
4632
4633         * configure.ac (--with-demangler-in-ld): Added
4634         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
4635         --with-demangler-in-ld is used.
4636         * config.in: Regenerated.
4637         * configure: Likewise.
4638
4639 2004-07-07  Roger Sayle  <roger@eyesopen.com>
4640
4641         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
4642         for simple floating point operations "fp", double precision
4643         multiplication "dmul", and single and double precision division
4644         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
4645         (ppc630_cost): New table split from ppc620_cost, to distinguish
4646         differences in floating point latencies.
4647         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
4648         (rs6000_rtx_costs): Add support for single and double precision
4649         floating point addition, subtraction, multiplication, division,
4650         fused-multiply-add, fused-multiply-sub, negation, absolute value
4651         and negative absolute value.  Tweak MEM case to use prefered idiom.
4652
4653 2004-07-07  Richard Henderson  <rth@redhat.com>
4654
4655         * tree-flow-inline.h (may_propagate_copy): Move...
4656         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
4657         attempt to copy between types requiring conversion.
4658         * tree-flow.h (may_propagate_copy): Update decl.
4659         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
4660
4661 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
4662
4663         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
4664         from -mtune= option.
4665
4666 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4667
4668         * builtins.c: Rename movstr*, except for movstrict*, to
4669         movmem* and clrstr* to clrmem*.
4670         * expr.c: Likewise.
4671         * expr.h: Likewise.
4672         * genopinit.c: Likewise.
4673         * integrate.c: Likewise.
4674         * local-alloc.c: Likewise.
4675         * optabs.c: Likewise.
4676         * optabs.h: Likewise.
4677         * config/alpha/alpha.h: Likewise.
4678         * config/alpha/alpha.md: Likewise.
4679         * config/arm/arm-protos.h: Likewise.
4680         * config/arm/arm.c: Likewise.
4681         * config/arm/arm.md: Likewise.
4682         * config/avr/avr.md: Likewise.
4683         * config/c4x/c4x.c: Likewise.
4684         * config/c4x/c4x.md: Likewise.
4685         * config/frv/frv.md: Likewise.
4686         * config/i386/i386-protos.h: Likewise.
4687         * config/i386/i386.c: Likewise.
4688         * config/i386/i386.h: Likewise.
4689         * config/i386/i386.md: Likewise.
4690         * config/i860/i860.c: Likewise.
4691         * config/i860/i860.md: Likewise.
4692         * config/ip2k/ip2k.md: Likewise.
4693         * config/ip2k/libgcc.S: Likewise.
4694         * config/ip2k/t-ip2k: Likewise.
4695         * config/m32r/m32r.c: Likewise.
4696         * config/m32r/m32r.md: Likewise.
4697         * config/mcore/mcore.md: Likewise.
4698         * config/mips/mips.c: Likewise.
4699         * config/mips/mips.md: Likewise.
4700         * config/ns32k/ns32k.c: Likewise.
4701         * config/ns32k/ns32k.h: Likewise.
4702         * config/ns32k/ns32k.md: Likewise.
4703         * config/pa/pa.c: Likewise.
4704         * config/pa/pa.md: Likewise.
4705         * config/pdp11/pdp11.h: Likewise.
4706         * config/pdp11/pdp11.md: Likewise.
4707         * config/rs6000/rs6000.c: Likewise.
4708         * config/rs6000/rs6000.md: Likewise.
4709         * config/s390/s390-protos.h: Likewise.
4710         * config/s390/s390.c: Likewise.
4711         * config/s390/s390.md: Likewise.
4712         * config/sh/lib1funcs.asm: Likewise.
4713         * config/sh/sh.c: Likewise.
4714         * config/sh/sh.md: Likewise.
4715         * config/sh/t-sh: Likewise.
4716         * config/sparc/sparc.h: Likewise.
4717         * config/vax/vax.md: Likewise.
4718         * config/xtensa/xtensa.c: Likewise.
4719         * config/xtensa/xtensa.md: Likewise.
4720         * doc/invoke.texi: Likewise.
4721         * doc/md.texi: Likewise.
4722         * doc/rtl.texi: Likewise.
4723
4724 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
4725
4726         PR target/16407
4727         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
4728         * config/mips/mips.c (mips_declare_common_object): New function,
4729         mostly split out from...
4730         (mips_output_aligned_decl_common): ...here.
4731         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
4732         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
4733         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
4734         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
4735
4736 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4737
4738         PR c/16392
4739         * function.c (assign_parms): Fix typo from previous change.
4740
4741 2004-07-07  Jason Merrill  <jason@redhat.com>
4742
4743         PR c++/15815
4744         * doc/extend.texi (C++ Interface): Correct information and
4745         discourage use.
4746
4747 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
4748
4749         PR target/16130
4750         PR target/16142
4751         PR target/16143
4752         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
4753         insn.
4754
4755 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4756
4757         PR target/1679.
4758         * config/m32r/m32r.c (m32r_function_symbol): New function:
4759         Generate a symbol name RTX with the correct m32r specific flags
4760         set.
4761         (block_move_call): Use new function to generate correct symbol.
4762         * config/m32r/m32r-protos.h: Add prototype for new funcion.
4763         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
4764         function.
4765
4766 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4767
4768         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
4769         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
4770         TYPE_BINFO_BASETYPE): Remove.
4771         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
4772         to ...
4773         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
4774         here.
4775         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
4776         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
4777         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
4778         (struct tree_binfo): Rename base_types to base_binfos.
4779         * alias.c (record_component_aliases): Adjust BINFO macros.
4780         * dbxout.c (dbxout_type): Likewise.
4781         * dwarf2out.c (gen_member_die): Likewise.
4782         * sdbout.c (sdbout_one_type): Likewise.
4783         * tree-dump.c (deque_and_dump): Likewise.
4784         * config/i386/i386.c (classify_argument,
4785         contains_128bit_aligned_vector_p): Likewise.
4786
4787 2004-07-07  Nick Clifton  <nickc@redhat.com>
4788
4789         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
4790         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
4791
4792 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4793
4794         * vec.h: Fix the example use.
4795
4796 2004-07-06  Richard Henderson  <rth@redhat.com>
4797
4798         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
4799         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
4800         * tree-inline.c (copy_body_r, setup_one_parameter,
4801         initialize_inlined_parameters, expand_call_inline,
4802         declare_inline_vars): Don't check it.
4803         (expand_calls_inline): Remove old version, rename new version
4804         from gimple_expand_calls_inline.
4805         * tree-optimize.c (execute_gimple): Remove.
4806         (pass_gimple): Don't run anything.
4807
4808 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4809
4810         * doc/sourcebuild.texi: Use semicolons instead of commas in
4811         section title.
4812
4813 2004-07-06  Richard Henderson  <rth@redhat.com>
4814
4815         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
4816         (sra_walk_modify_expr, scan_init): Likewise.
4817         (generate_element_zero): Check visited before scanning children.
4818         (generate_element_init): Set visited on error.
4819         (scalarize_init): Handle generate_element_init failure similar
4820         to use_block_copy.
4821
4822 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4823
4824         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
4825         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
4826
4827 2004-07-06  Richard Henderson  <rth@redhat.com>
4828
4829         * config/i386/i386.c (legitimize_pic_address): Make static.
4830         (legitimize_address): Handle CONST with TLS operand.
4831         (ix86_expand_move): Don't call legitimize_pic_address directly.
4832         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
4833
4834 2004-07-06  Roger Sayle  <roger@eyesopen.com>
4835
4836         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
4837         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
4838         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
4839         is currently executed unconditionally, i.e. not in "else_bb".
4840
4841 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4842
4843         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
4844         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4845         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
4846         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4847         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
4848         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4849         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
4850         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4851         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
4852         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4853         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
4854         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4855         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
4856         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4857         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
4858         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4859
4860 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4861
4862         * dojump.c (do_jump): REFERENCE_EXPR is dead.
4863         * expr.c (expand_expr_real_1): Ditto.
4864         * tree-inline.c (estimate_num_insns_1): Ditto.
4865         * tree-pretty-print.c (dump_generic_node): Ditto.
4866         (op_symbol): Ditto.
4867         * tree.def: Ditto.
4868
4869 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4870
4871         * tree-ssa-pre.c (reference_node_pool): New pool.
4872         (find_or_generate_expression): Class 'r' is okay too.
4873         (create_value_expr_from): Ditto.
4874         (add_to_sets): LHS should not include vuses.
4875         (eliminate): Ditto.
4876         (compute_avail): Reverse ordering of tests.
4877         Valuize INDIRECT_REF as well.
4878
4879 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
4880
4881         PR rtl-optimization/16380
4882         * loop.c (check_dbra_loop): Sink comparison instructions if they
4883         do something other than set cc0.
4884
4885 2004-07-06  James E Wilson  <wilson@specifixinc.com>
4886
4887         * doc/interface.texi (longjmp and automatic variables): Delete
4888         paragraph recommending taking the address of a variable.
4889
4890 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4891
4892         * vec.h (VEC_embedded_alloc): Remove.
4893         (VEC_embedded_size, VEC_embedded_init): New.
4894         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
4895         MEM_STAT_INFO.
4896         (VEC_truncate): New.
4897         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
4898         (vec_embedded_alloc): Remove.
4899         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
4900         (vec_embedded_alloc): Remove.
4901
4902 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
4903
4904         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
4905         (gt-langhooks.h): Remove.
4906
4907 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
4908
4909         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
4910
4911 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4912
4913         * config/sparc/sparc.c (get_pc_symbol): Rename into
4914         add_pc_to_pic_symbol.
4915         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
4916         (load_pic_register): Account for previous changes.
4917         Use reg_names.  Don't create the label twice.
4918         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
4919         UNSPEC_LOAD_PCREL_SYM.
4920         (get_pc): Rename into load_pcrel_sym.  Add predicate to
4921         operands.  Remove condition.
4922
4923 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4924
4925         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
4926         RECORD, UNION & QUAL_UNION is actually a binfo.
4927
4928         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
4929         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
4930         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
4931         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
4932         * dwarf2out.c (add_data_member_location_attribute): Likewise.
4933         (gen_inheritance_die): Likewise.
4934         * tree-dump.c (deque_and_dump): Likewise.
4935         * doc/c-tree.texi (Binfos): Add under reconstruction note.
4936
4937 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4938
4939         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4940         Define.
4941         * config/mcore/mcore.md: Model memory latency with a simple DFA
4942         pipeline description instead of a define_function_unit.
4943
4944 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4945
4946         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
4947         * langhooks.h (var_mod_type_p): Likewise.
4948         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
4949         * expr.c (count_type_elements): Properly handle return from
4950         array_type_nelts and properly test for overflow.
4951         * gimplify.c (gimplify_init_constructor): Properly handle return
4952         from array_type_nelts.
4953         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
4954         * integrate.c (copy_decl_for_inlining): Correct comments.
4955         * tree-inline.c (remap_decl): Update comments, remove dead code,
4956         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
4957         (remap_type): Only remap if variably modified by vars in function
4958         being inlined.
4959         (copy_body_r): Use compatible_type langhooks to see when can fold.
4960         (setup_one_parameter): Don't remap type.
4961         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
4962         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
4963         compute TREE_INVARIANT for decl case.
4964         (find_var_from_fn): New function.
4965         (variably_modified_type_p): Add arg and call new function.
4966         * tree.h (variably_modified_type_p): Add extra arg.
4967
4968 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
4969
4970         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
4971         (goto_handler_and_restore_v9): Delete disabled insn.
4972         (goto_handler_and_restore_v9_sp64): Likewise.
4973
4974 2004-07-05  Roger Sayle  <roger@eyesopen.com>
4975
4976         * calls.c (load_register_parameters): Call expand_shift instead
4977         of expand_binop with ashl_optab (or other shift optab) directly.
4978         * expr.c (emit_group_load, emit_group_store): Likewise.
4979         * function.c (assign_parm_setup_block): Likewise.
4980         * stmt.c (shift_return_value): Likewise.
4981
4982 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
4983
4984         * expr.c (expand_assignment): Disable the bitfield += optimizations.
4985
4986 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4987
4988         * doc/sourcebuild.texi: Revert previous patch.
4989
4990 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4991
4992         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
4993         TARGET_MEM_FUNCTIONS.
4994         * system.h: Poison TARGET_MEM_FUNCTIONS.
4995         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
4996         bcmp_libfunc, bzero_libfunc): Remove.
4997         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
4998         bzero_libfunc.
4999         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
5000         * doc/standards.texi: Don't mention calling BSD string functions.
5001         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
5002         * config/vax/t-memfuncs: New.
5003         * config/memcmp.c, config/memcpy.c, config/memmove.c,
5004         config/memset.c: New.
5005         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
5006         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
5007         vax/t-memfuncs.
5008         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
5009         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
5010         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
5011         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
5012         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
5013         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
5014         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
5015         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
5016         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
5017         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
5018
5019 2004-07-05  Richard Henderson  <rth@redhat.com>
5020
5021         * function.c (assign_parm_setup_reg): Properly rename variables in
5022         FUNCTION_ARG_CALLEE_COPIES section.
5023
5024 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5025
5026         * tree-mudflap.c: Include cgraph.h.
5027         (mf_init_extern_trees): Rename to mudflap_init.  Export.
5028         Rewrite to create synthetic declarations instead of looking
5029         up declarations from mf-runtime.h.
5030         (mf_make_builtin, mf_make_cache_struct_type): New functions.
5031         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
5032         Correct commentary.
5033         (execute_mudflap_function_decls, mudflap_register_call):
5034         Don't call mf_init_extern_trees.
5035         (mudflap_finish_file): Use cgraph_build_static_cdtor.
5036
5037         * tree-mudflap.h: Update prototypes.
5038         * c-mudflap.c: Delete file.
5039         * c-common.c: Include tree-mudflap.h.
5040         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
5041         * Makefile.in: Remove all references to c-mudflap.o.
5042         Update dependencies.
5043
5044 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5045
5046         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
5047         displacements with the spatial-locality cache-control completer.
5048
5049 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5050
5051         * langhooks.c: Don't include gt-langhooks.h.
5052         (var_labelno): Delete.
5053         (lhd_set_decl_assembler_name): Do not append a distinguishing
5054         number to file-scope internal-linkage declarations for the first
5055         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
5056         the declaration itself (if at block scope), or its containing
5057         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
5058         number.
5059
5060         * opts.c (cur_in_fname): New global.
5061         * opts.h: Declare it.
5062         * tree.c: Include opts.h.
5063         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
5064         DECL_UID equal to cur_in_fname.
5065         (copy_node_stat): Do not change DECL_UID when copying a
5066         TRANSLATION_UNIT_DECL.
5067         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
5068         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
5069
5070         * c-decl.c (c_static_assembler_name): Delete.
5071         * c-tree.h (c_static_assembler_name): Delete prototype.
5072         * c-lang.c, objc/objc-lang.c: Don't override
5073         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
5074
5075         * Makefile.in (tree.o): Update dependencies.
5076         (GTFILES): Remove langhooks.c.
5077
5078 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5079
5080         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
5081         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
5082         Normalize "X % C" as "X % -C" for signed modulus and negative C.
5083         Optimize "X % -Y" as "X % Y" for signed modulus.
5084         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
5085         into "((unsigned) X % Y) == 0".
5086
5087 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5088
5089         * sourcebuild.texi (Config Fragments): Use @comma{} in
5090         cross-reference to section title.
5091
5092 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5093
5094         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
5095         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
5096         (gimplify_target_expr, gimplify_expr): Likewise.
5097         (copy_if_shared_r): No longer need special case for BIND_EXPR.
5098         (unshare_body, unvisit_body): Only look at nested if BODY_P is
5099         whole function.
5100         (gimplify_compound_lval): See if we can strip any useless conversion.
5101         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
5102         from RHS, not LHS.
5103         (gimplify_modify_expr_to_memset): Likewise.
5104         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
5105         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
5106         (declare_inline_vars): Likewise.
5107         (walk_type_fields): New function.
5108         (walk_tree): Use it.
5109         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
5110
5111         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
5112         (sra_walk_modify_expr): Allow init function to fail.
5113         (scan_init): Now returns bool.
5114         (generate_element_init): If can't understand INIT, return false.
5115         (scalarize_init): Return false if generate_element_init does.
5116
5117         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
5118         print bounds.
5119
5120         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
5121         bounds if bounds aren't constant.
5122
5123         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
5124
5125         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
5126         to type hooks; remove bogus PARAMS.
5127
5128 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
5129
5130         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
5131         * dwarf2out.c (add_data_member_location_attribute): Check for
5132         TREE_BINFO.
5133         * tree.c (tree_node_kinds): Add "binfos".
5134         (binfo_lang_slots): New.
5135         (make_node_stat): Add TREE_BINFO.
5136         (make_tree_binfo_stat): New.
5137         (tree_node_structure): Add TREE_BINFO.
5138         * tree.def (TREE_BINFO): New.
5139         * tree.h (REC_OR_UNION_CHECK): Rename to ...
5140         (RECORD_OR_UNION_CHECK): ... here.
5141         (NOT_RECORD_OR_UNION_CHECK): New.
5142         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
5143         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
5144         RECORD_OR_UNION_CHECK.
5145         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
5146         (TYPE_LANG_SLOT_1): New.
5147         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
5148         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
5149         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
5150         (BINFO_ELTS): Remove.
5151         (BINFO_LANG_SLOT): New.
5152         (struct tree_binfo): New.
5153         (binfo_lang_slots): Declare.
5154         (enum tree_node_structure_enum): Add TS_BINFO.
5155         (union tree_node): Add binfo.
5156         (make_tree_binfo_stat): Declare.
5157         (make_tree_binfo): New.
5158         (enum tree_node_kind): Add binfo_kind.
5159
5160         * objc/objc-act.c (start_class, objc_declare_protocols,
5161         start_protocols): Use TYPE_LANG_SLOT_1.
5162         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
5163         to ...
5164         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
5165         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
5166         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
5167         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
5168
5169 2004-07-05  Steven Bosscher  <stevenb@suse.de>
5170
5171         * rtl.h (struct rtx_def): Remove the integrated flag.
5172         Use the return_val flag for MEM_SCALAR_P.
5173         Reshuffle and update flags in CLEAR_RTX_FLAGS.
5174
5175 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
5176
5177         PR target/16357
5178         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
5179         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
5180         move_by_pieces.
5181
5182 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
5183
5184         * var-tracking.c: Fix some comments.
5185         (frame_stack_adjust): New.
5186         (vt_stack_adjustments): Init stack_adjust of entry block to
5187         minus stack adjustment of function prologue.
5188         (adjust_stack_reference): Do not adjust if adjustment == 0.
5189         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
5190         (emit_notes_in_bb): Likewise.
5191         (vt_add_function_parameters): Do not adjust locations of
5192         function arguments.
5193         (vt_initialize): Compute the stack adjustment of function
5194         prologue and offset the initial "location" of frame_base_decl
5195         from the stack pointer after prologue.
5196
5197 2004-07-04  Richard Henderson  <rth@redhat.com>
5198
5199         * function.c (struct assign_parm_data_all): New.
5200         (struct assign_parm_data_one): New.
5201         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
5202         assign_parm_find_data_types, assign_parms_setup_varargs,
5203         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
5204         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
5205         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
5206         assign_parm_setup_block, assign_parm_setup_reg,
5207         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
5208         (assign_parms): ... here.
5209
5210 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
5211
5212         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
5213         now are bitmap_set_t's.
5214         (bitmap_insert_into_set): No point in inserting the value if
5215         it's invariant.
5216         (bitmap_set_contains): New function.
5217         (bitmap_set_replace_value): Add comment on why we do it
5218         this way.
5219         (set_contains): Removed.
5220         (bitmap_set_subtract_from_value_set): New name of
5221         set_subtract now that it's arguments are two different
5222         types of sets.
5223         Update callers.
5224         (bitmap_find_leader): Change algorithm used.
5225         (find_or_generate_expression): Update use of functions for new
5226         bitmap sets.
5227         (create_expression_by_pieces): Ditto.
5228         (insert_aux): Ditto.
5229         (insert): Ditto.
5230         (add_to_sets): Ditto.
5231         (init_pre): Ditto.
5232         (execute_pre): Ditto.
5233         (compute_avail): Ditto.
5234         Also ignore virtual phis.
5235
5236 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5237
5238         * combine.c (simplify_comparison): Fix comment typo.
5239
5240 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5241
5242         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
5243         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
5244         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
5245         (output_restore): Change parameter from 'insn' to 'pat'.
5246         (output_return): Adjust call to output_restore.
5247         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
5248         Adjust call to output_restore.
5249
5250 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5251
5252         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
5253         and assert system is bsd.
5254
5255 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5256
5257         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
5258         (TARGET_SWITCHES): Remove -mdebugc.
5259         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
5260         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
5261         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
5262         (sle_[sd]i_reg): Delete.
5263
5264 2004-07-04  Steven Bosscher  <stevenb@suse.de>
5265
5266         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5267         Define.
5268         * config/iq2000/iq2000.md: Translate old pipeline description to an
5269         equivalent new one.
5270
5271 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5272
5273         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
5274         Ensure the replacement rhs is valid gimple before performing
5275         the substitution.  Return false if these sanity checks fail.
5276         (fold_stmt): Only set changed to true, if set_rhs returns true.
5277         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
5278         succeeds.
5279
5280 2004-07-04  Richard Henderson  <rth@redhat.com>
5281
5282         PR c/16348
5283         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
5284
5285 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
5286
5287         * configure.ac (ranlib_flags): New variable.
5288         * Makefile.in (RANLIB_FLAGS): New variable.
5289         (libbackend.a): Use it.
5290         * configure: Regenerated.
5291
5292 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5293
5294         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
5295         a "sign mask" instead of using ashr_optab directly.
5296
5297 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5298
5299         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
5300         * doc/cppopts.texi: Clarify processing of command-line defines.
5301
5302 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
5303
5304         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
5305
5306 2004-07-04  Richard Henderson  <rth@redhat.com>
5307
5308         * rtl.def (ADDRESSOF): Remove.
5309         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
5310         (find_base_term, memrefs_conflict_p): Likewise.
5311         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
5312         (fold_rtx, cse_insn, set_live_p): Likewise.
5313         * dwarf2out.c (mem_loc_descriptor): Likewise.
5314         (add_location_or_const_value_attribute): Likewise.
5315         * emit-rtl.c (copy_insn_1): Likewise.
5316         * explow.c (memory_address): Likewise.
5317         * expmed.c (store_split_bit_field): Likewise.
5318         * expr.c (expand_expr_real_1): Likewise.
5319         * function.c (instantiate_decl
5320         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
5321         * genrecog.c (preds, validate_pattern): Likewise.
5322         * integrate.c (copy_rtx_and_substitute): Likewise.
5323         * recog.c (general_operand, register_operand): Likewise.
5324         (memory_address_p): Likwise.
5325         * reload1.c (eliminate_regs, elimination_effects): Likewise.
5326         * rtl.c (copy_rtx): Likewise.
5327         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5328         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
5329         * rtlhooks.c (gen_lowpart_general): Likewise.
5330         * stmt.c (expand_asm_operands): Likewise.
5331         * web.c (entry_register, replace_ref, web_main): Likewise.
5332         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
5333         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5334         * config/arm/arm.c (thumb_rtx_costs): Likewise.
5335         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
5336         * config/frv/frv.c (move_destination_operand, move_source_operand,
5337         condexec_dest_operand, condexec_source_operand,
5338         condexec_memory_operand): Likewise.
5339         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
5340         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
5341         (destination_xfmode_operand): Likewise.
5342         * config/mips/mips.h (PREDICATE_CODES): Likewise.
5343         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
5344         * config/s390/s390.c (general_s_operand): Likewise.
5345         * config/s390/s390.md (mov*): Likewise.
5346         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
5347
5348         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
5349         * expr.c (expand_expr_real_1): Likewise.
5350         * stmt.c (expand_decl): Likewise.
5351         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5352
5353         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
5354         postponed_insns, put_var_into_stack, put_reg_into_stack,
5355         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
5356         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
5357         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
5358         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
5359         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
5360         purge_bitfield_addressof_replacements, purge_addressof_replacements,
5361         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
5362         struct insns_for_mem_walk_info, insns_for_mem_walk,
5363         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
5364         setjmp_protect_args): Remove.
5365         (push_function_context_to): Don't handle var_refs_queue.
5366         (pop_function_context_from, free_after_compilation): Likewise.
5367         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
5368         (assign_parms, allocate_struct_function): Likewise.
5369         (use_register_for_decl): New.
5370         (expand_function_end): Don't setjmp_protect.
5371         * function.h (struct emit_status): Update commentary.
5372         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
5373         (max_parm_reg, parm_reg_stack_loc): Remove.
5374         * passes.c (DFI_addressof): Remove.
5375         (dump_file_info): Remove addressof.
5376         (rest_of_handle_addressof): Remove.
5377         (rest_of_compilation): Don't call it.
5378         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
5379         * stmt.c (expand_decl): Use use_register_for_decl.
5380         * tree.h: Update decls.
5381         * web.c (mark_addressof): Remove.
5382         * doc/invoke.texi (-dF): Remove.
5383
5384 2004-07-03  Richard Henderson  <rth@redhat.com>
5385
5386         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
5387         instead of gen_mem_addressof.
5388         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
5389         TImode output register.
5390
5391 2004-07-03  Richard Henderson  <rth@redhat.com>
5392
5393         PR tree-optimization/16341
5394         * tree-sra.c (sra_walk_function): Increment to next stmt before
5395         processing the current stmt.
5396         (sra_insert_after): Always use BSI_SAME_STMT.
5397
5398 2004-07-03  Richard Henderson  <rth@redhat.com>
5399
5400         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
5401         fp plus with minus.
5402
5403 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5404
5405         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
5406         with tree_int_cst_equal.
5407
5408 2004-07-03  Andreas Schwab  <schwab@suse.de>
5409
5410         * config/ia64/ia64.md: Define new attribute "empty".
5411         (prologue_use, nop_x, insn_group_barrier): Set it.
5412
5413         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
5414         skip over "empty" insns.
5415
5416 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5417
5418         * tree-inline.c (initialize_inlined_parameters): Pass proper function
5419         context to gimplify_body.
5420         (walk_tree): Don't walk into types twice.
5421         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
5422
5423         * tree-sra.c (generate_element_init): Remove any useless conversions.
5424
5425         * gimplify.c (gimplify_conversion): Remove stripping useless
5426         conversions from here.
5427         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
5428         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
5429         Unshare before substituting PLACEHOLDER_EXPR.
5430         (gimplify_modify_expr_to_memset): Likewise.
5431         Pass address of TO to memset, not TO itself.
5432         (gimplify_init_constructor): Make copy of OBJECT so we have it each
5433         time we make an expression (to match a PLACEHOLDER_EXPR).
5434
5435         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
5436         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
5437         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
5438         * tree-ssa-dom.c (local_fold): Likewise.
5439
5440         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
5441         * langhooks.h (strct lang_hooks): New field type_max_size.
5442         * function.c (assign_temp): Call it.
5443
5444 2004-07-03  Steven Bosscher  <stevenb@suse.de>
5445
5446         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
5447         * config/sh/sh.md: Convert the SH1 pipeline description to
5448         a DFA model.
5449
5450 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
5451
5452         * c-decl.c (struct c_binding): Remove contour field; add
5453         depth, invisible, nested fields.
5454         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
5455         (B_IN_EXTERNAL_SCOPE): New convenience macros.
5456         (bind): Add invisible and nested arguments. Initialize
5457         new fields of struct c_binding; adjust loop scanning for
5458         insertion point.
5459         (free_binding_and_advance): Clear structure with memset.
5460         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
5461         in file scope, even if it's in external scope too.
5462         (pushdecl): Adjust to match.  Create invisible file-scope
5463         declarations for block-scope forward declarations of static functions.
5464         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
5465         (undeclared_variable, lookup_label, declare_label, define_label)
5466         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
5467         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
5468         (store_parm_decls_oldstyle): Adjust to match.
5469         (diagnose_mismatched_decls): Correct handling of linkage clashes.
5470         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
5471
5472         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
5473         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
5474
5475 2004-07-02  Richard Henderson  <rth@redhat.com>
5476
5477         * c-decl.c (grokdeclarator): Don't frob current_function_decl
5478         around variable_size.
5479         (set_decl_nonlocal): Remove.
5480         (store_parm_decls): Add stmts for pending sizes.
5481         * calls.c (calls_function, calls_function_1): Remove.
5482         (precompute_arguments): Don't call it.
5483         * cfgexpand.c (set_save_expr_context): Remove.
5484         (tree_expand_cfg): Don't call it.
5485         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
5486         (dwarf2out_finish): Likewise.
5487         * expr.c (emit_block_move): Adjust addresses to BLKmode.
5488         (store_constructor): Don't pre-evaluate SAVE_EXPR.
5489         (safe_from_p): Don't queue SAVE_EXPRs.
5490         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
5491         or build plain VAR_DECLs.
5492         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
5493         (fold): Likewise.
5494         (fold_checksum_tree): Don't special-case SAVE_EXPR.
5495         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
5496         (put_var_into_stack): Don't handle SAVE_EXPR.
5497         (gen_mem_addressof): Likewise.
5498         * function.h (struct function): Remove x_save_expr_regs.
5499         (save_expr_regs): Remove.
5500         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
5501         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
5502         * stor-layout.c (variable_size): Don't set it.
5503         (force_type_save_exprs, force_type_save_exprs_1): Remove.
5504         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
5505         all callers.  Don't set SAVE_EXPR_CONTEXT.
5506         * tree-inline.h (remap_save_expr): Update decl.
5507         * tree.c (save_expr): Update build size.
5508         (first_rtl_op): Don't handle SAVE_EXPR.
5509         (unsave_expr_1, contains_placeholder_p): Likewise.
5510         (decl_function_context): Likewise.
5511         * tree.def (SAVE_EXPR): Remove args 1 and 2.
5512         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
5513         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
5514
5515 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5516
5517         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
5518         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
5519         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
5520         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
5521         some first-person references and patronizing comments.  Based on
5522         printed manual.
5523         * doc/invoke.texi: Don't reference fortran@gnu.org.
5524         * doc/trouble.texi (Warning when a non-void function value is
5525         ignored): Rewrite.  From Russ Allbery and Chris Devers.
5526
5527 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
5528
5529         * tree-ssa-pre.c (bitmap_set_t): New.
5530         (bb_value_sets): avail_out is now a bitmap_set_t.
5531         (bitmap_find_leader): New function.
5532         (bitmap_value_insert_into_set): Ditto.
5533         (bitmap_set_copy): Ditto.
5534         (bitmap_value_replace_in_set): Ditto.
5535         (bitmap_set_contains_value): Ditto.
5536         (bitmap_set_new): Ditto.
5537         (bitmap_set_pool): New pool.
5538         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
5539         (insert_aux): Ditto.
5540         (add_to_sets): Ditto.
5541         (compute_avail): Ditto
5542         (eliminate): Ditto.
5543         (init_pre): Ditto.
5544         (fini_pre): Ditto.
5545         (execute_pre): Ditto.
5546
5547 2004-07-02  Roger Sayle  <roger@eyesopen.com>
5548
5549         * config/rs6000/rs6000.c (struct processor_costs): New structure
5550         used to hold instruction latencies/sizes for processor types.
5551         (rs6000_cost): New global variable pointing to current CPU's costs.
5552         (rs6000_override_options): Initialize rs6000_cost to point to the
5553         appropriate cost table based upon rs6000_cpu and optimize_size.
5554         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
5555         timings inline.
5556
5557 2004-07-02  Richard Henderson  <rth@redhat.com>
5558
5559         * expmed.c (make_tree): Don't use SET_DECL_RTL.
5560
5561 2004-07-02  Steven Bosscher  <stevenb@suse.de>
5562
5563         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
5564
5565 2004-07-01  Richard Henderson  <rth@redhat.com>
5566
5567         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
5568         (alpha_gp_save_rtx): Use assign_stack_local instead of
5569         gen_mem_addressof.
5570
5571 2004-07-01  Richard Henderson  <rth@redhat.com>
5572
5573         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
5574         (alpha_rtx_cost_data): Update to match.
5575         (alpha_rtx_cost_size): New.
5576         (alpha_rtx_costs): Honor optimize_size.
5577
5578 2004-07-01  Richard Henderson  <rth@redhat.com>
5579
5580         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
5581         * cfgexpand.c (tree_expand_cfg): Do it here.
5582         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
5583         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
5584         * config/mips/mips.c (mips_output_mi_thunk): And here.
5585         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
5586         * config/sh/sh.c (sh_output_mi_thunk): And here.
5587         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
5588
5589 2004-07-01  Richard Henderson  <rth@redhat.com>
5590
5591         * tree.def (RTL_EXPR): Remove.
5592         * c-typeck.c (lvalue_p): Don't handle it.
5593         * expr.c (safe_from_p): Likewise.
5594         (expand_expr_real_1): Likewise.
5595         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
5596         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
5597         * gengtype.c (adjust_field_tree_exp): Likewise.
5598         * stmt.c (warn_if_unused_value): Likewise.
5599         * tree-gimple.c (recalculate_side_effects): Likewise.
5600         * tree-pretty-print.c (dump_generic_node): Likewise.
5601         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
5602         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
5603         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
5604
5605         * stmt.c (struct stmt_status): Remove x_last_expr_type,
5606         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
5607         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
5608         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
5609         all the bits that tracked last_expr.
5610         (expand_end_bindings): Don't track last_expr.
5611         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
5612         (clear_last_expr): Remove.
5613         (expand_asm): Don't call it.
5614         (expand_asm_operands, expand_end_cond): Likewise.
5615         (expand_naked_return, expand_null_return_1): Likewise.
5616         * c-typeck.c (c_begin_compound_stmt): Likewise.
5617         * cfgexpand.c (expand_block): Use expand_expr_stmt.
5618         * expr.c (expand_expr_real_1): Likewise.
5619         * tree.h: Update prototypes.
5620
5621         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
5622         (struct emit_status): Remove sequence_rtl_expr.
5623         (struct function): Remove x_rtl_expr_chain.
5624         (seq_rtl_expr, rtl_expr_chain): Remove.
5625         * function.c (struct temp_slot): Remove rtl_expr.
5626         (assign_stack_temp_for_type): Don't set it.
5627         (free_temp_slots, pop_temp_slots): Don't check it.
5628         (free_after_compilation): Don't clear x_rtl_expr_chain.
5629         (fixup_var_refs): Don't search it.
5630         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
5631         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
5632         or seq_rtl_expr.
5633         (push_topmost_sequence): Likewise.
5634         (end_sequence, init_emit): Likewise.
5635         (start_sequence_for_rtl_expr): Remove.
5636         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
5637         * rtl.h (preserve_rtl_expr_result): Remove.
5638
5639 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
5640
5641         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
5642         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
5643         typos.
5644
5645 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5646
5647         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
5648         (STANDARD_STARTFILE_PREFIX_2): Define.
5649         (standard_startfile_prefix_1): Initialize to
5650         STANDARD_STARTFILE_PREFIX_1.
5651         (standard_startfile_prefix_2): Initialize to
5652         STANDARD_STARTFILE_PREFIX_2.
5653         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
5654         (STANDARD_STARTFILE_PREFIX_1): Define.
5655         (STANDARD_STARTFILE_PREFIX_2): Define.
5656         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
5657         (STANDARD_STARTFILE_PREFIX_2): Document.
5658
5659 2004-07-01  Richard Henderson  <rth@redhat.com>
5660
5661         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
5662         in order to disable scalarization.  Instead set a flag and wait
5663         for a candidate decl.
5664
5665 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5666
5667         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
5668         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
5669         Use terminology "testsuite" and "enumerated".
5670
5671 2004-07-01  Richard Henderson  <rth@redhat.com>
5672
5673         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
5674         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
5675         (initial_return_save): Likewise.
5676         (flush_queued_reg_saves): Remap register numbers.
5677         (dwarf2out_return_reg): Likewise.
5678
5679 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5680
5681         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
5682
5683         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
5684         access functions for lower bound and element size and only output
5685         if lower bound nonzero or element size not same as that of type.
5686         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
5687
5688 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5689
5690         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
5691
5692 2004-07-01  Per Bothner  <per@bothner.com>
5693
5694         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
5695
5696 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
5697
5698         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
5699         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
5700         first operand.  Don't optimize if the bitfield is volatile.
5701
5702 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5703
5704         * c-pretty-print.c (pp_c_postfix_expression): Handle
5705         floating-point comparison operators.
5706         (pp_c_expression): Pass floating-point comparison
5707         operators to pp_c_postfix_expression.
5708
5709 2004-07-01  Roger Sayle  <roger@eyesopen.com>
5710
5711         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
5712         rtx_cost instead of "had_mult" to determine whether the transformed
5713         expression is cheaper than the original.
5714
5715 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
5716
5717         * alias.c (get_alias_set, canon_rtx, get_addr,
5718         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
5719         Use MEM_P.
5720         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
5721         expand_builtin): Likewise.
5722         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
5723         Likewise.
5724         * combine.c (can_combine_p, combinable_i3pat, try_combine,
5725         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
5726         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
5727         record_dead_and_set_regs_1, get_last_value_validate,
5728         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
5729         * cse.c (check_dependence, canon_hash, equiv_constant,
5730         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
5731         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
5732         count_reg_usage): Likewise.
5733         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
5734         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
5735         cselib_record_sets): Likewise.
5736         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
5737         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
5738         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
5739         * df.c (df_uses_record): Likewise.
5740         * dojump (do_jump): Likewise.
5741         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
5742         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
5743         decl_start_label): Likewise.
5744         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
5745         operand_subword, change_address_1, make_safe_from): Likewise.
5746         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
5747         stabilize, force_not_mem): Likewise.
5748         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
5749         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
5750         * expr.c (convert_move, convert_modes, emit_block_move,
5751         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
5752         emit_move_insn_1, expand_assignment, store_expr,
5753         store_constructor_field, store_constructor, store_field,
5754         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
5755         Likewise.
5756         * final.c (cleanup_subreg_operands, alter_subreg,
5757         get_mem_expr_from_op): Likewise.
5758         * flow.c (notice_stack_pointer_modification_1,
5759         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
5760         Likewise.
5761         * function.c (mark_temp_addr_taken, preserve_temp_slots,
5762         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
5763         optimize_bit_field, flush_addressof, purge_addressof_1,
5764         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
5765         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
5766         keep_stack_depressed): Likewise.
5767         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
5768         noce_process_if_block, find_memory): Likewise.
5769         * integrate.c (subst_constants, allocate_initial_values): Likewise.
5770         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
5771         update_equiv_regs): Likewise.
5772         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
5773         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
5774         * optabs.c (expand_abs, emit_unop_insn): Likewise.
5775         * passes.c (rest_of_handle_final): Likewise.
5776         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
5777         move2add_note_store): Likewise.
5778         * ra-build.c (detect_remat_webs): Likewise.
5779         * ra-debug.c (dump_static_insn_cost): Likewise.
5780         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
5781         * recog.c (validate_change, apply_change_group, cancel_changes,
5782         validate_replace_rtx_1, general_operand, register_operand,
5783         nonmemory_operand, push_operand, pop_operand, memory_operand,
5784         indirect_operand, asm_operand_ok, offsettable_memref_p,
5785         offsettable_nonstrict_memref_p, constrain_operands,
5786         store_data_bypass_p): Likewise.
5787         * reg-stack.c (subst_stack_regs_pat): Likewise.
5788         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
5789         copy_cost, reg_scan_mark_refs): Likewise.
5790         * regmove.c (optimize_reg_copy_3, stack_memref_p,
5791         combine_stack_adjustments_for_block): Likewise.
5792         * regrename.c (copyprop_hardreg_forward_1): Likewise.
5793         * reload.c (can_reload_into, push_reload, decompose, immune_p,
5794         find_reloads, find_reloads_address, find_reloads_address_1,
5795         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
5796         find_equiv_reg): Likewise.
5797         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
5798         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
5799         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
5800         delete_address_reloads): Likewise.
5801         * resource.c (mark_referenced_resources): Likewise.
5802         * rtlanal.c (get_jump_table_offset, count_occurrences,
5803         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
5804         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
5805         num_sign_bit_copies1): Likewise.
5806         * rtlhooks.c (gen_lowpart_general): Likewise.
5807         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5808         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
5809         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
5810         sdbout_global_decl): Likewise.
5811         * simplify-rtx.c (simplify_subreg): Likewise.
5812         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
5813         expand_anon_union_decl, expand_end_case_type): Likewise.
5814         * unroll.c (calculate_giv_inc): Likewise.
5815         * var-tracking.c (stack_adjust_offset_pre_post,
5816         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
5817         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
5818         vt_add_function_parameters): Likewise.
5819         * varasm.c (make_var_volatile, notice_global_symbol,
5820         assemble_external, decode_addr_const, mark_weak,
5821         default_encode_section_info): Likewise.
5822
5823 2004-07-01  Steven Bosscher  <stevenb@suse.de>
5824
5825         * stmt.c (check_seenlabel): Remove.
5826         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
5827
5828 2004-07-01  Richard Henderson  <rth@redhat.com>
5829
5830         * function.h (struct function): Remove x_function_call_count.
5831         (function_call_count): Remove.
5832         * calls.c (expand_call): Don't set it.
5833         * integrate.c (copy_rtx_and_substitute): Likewise.
5834
5835         * function.h (struct function): Remove x_cleanup_label.
5836         (cleanup_label): Remove.
5837         * stmt.c (expand_value_return): Don't use it.
5838         * function.c (free_after_compilation): Don't set it.
5839         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
5840         * cfgexpand.c (tree_expand_cfg): Update call.
5841         * tree.h (expand_function_start): Update decl.
5842
5843 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5844
5845         PR c/1027
5846         * c-lang.c (c_initialize_diagnostics): Move from here ...
5847         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
5848         (c_tree_printer): Use pretty-printer to format %T.
5849         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
5850         before '*' if not C++.
5851         (pp_c_direct_abstract_declarator): Don't try to print array upper
5852         bound for flexible array members.
5853         * c-tree.h: Include "diagnostic.h".
5854         (c_initialize_diagnostics): Declare.
5855         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
5856         * c-format.c (format_type_warning): New function.  Improve
5857         diagnostics for incorrect format argument types.
5858         (check_format_types): Use it.  Add two parameters.  Use the
5859         TYPE_MAIN_VARIANT of wanted_type.
5860         (check_format_info_main): Pass new parameters to
5861         check_format_types.
5862         (struct format_wanted_type): Update comment.
5863
5864 2004-07-01  Nick Clifton  <nickc@redhat.com>
5865
5866         * target.h (struct gcc_target): Add new field to struct cxx:
5867         import_export_class.
5868         * target-def.h (TARGET_CXX): Initialise the new field.
5869         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
5870         the new field.
5871         * doc/tm.texi: Document the new target hook.
5872
5873 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5874
5875         * builtins.c (fold_builtin_classify): Fix typo.
5876
5877 2004-07-01  Richard Henderson  <rth@redhat.com>
5878
5879         * function.c (identify_blocks, identify_blocks_1): Remove.
5880         * function.h (identify_blocks): Remove.
5881         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
5882
5883 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5884
5885         * builtins.c (fold_builtin_classify): New.
5886         (fold_builtin_unordered_cmp): Fix commentary.
5887         (fold_builtin): Use it.
5888         * builtins.def: Define builtins for isnan,
5889         isnanf, isnanl, finite, finitef, finitel,
5890         isinf, isinff, isinfl.
5891
5892 2004-07-01  Richard Henderson  <rth@redhat.com>
5893
5894         * function.h (struct function): Remove dont_emit_block_notes.
5895         * gimple-low.c (lower_function_body): Don't set it.
5896         * cfgexpand.c (expand_block): Don't check it.
5897         * cfglayout.c (insn_locators_initialize): Likewise.
5898         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
5899         * passes.c (rest_of_compilation): Likewise.
5900         * stmt.c (expand_start_bindings_and_block): Likewise.
5901         (expand_end_bindings): Likewise.
5902
5903 2004-07-01  Richard Henderson  <rth@redhat.com>
5904
5905         * cgraph.h (cgraph_build_static_cdtor): Declare.
5906         * cgraphunit.c (cgraph_build_static_cdtor): New.
5907         * c-objc-common.c (build_cdtor): Use it.
5908         * coverage.c (create_coverage): Likewise.
5909         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
5910         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
5911
5912 See ChangeLog.11 for earlier changes.