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1 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2
3         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
4         setting a non-register to UNDEFINED right before the call to
5         set_lattice_value.
6
7 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
8
9         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
10
11 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
12
13         * tree-ssa.c (verify_flow_sensitive_alias_info): When
14         comparing points-to sets of different pointers, make sure the
15         second pointer is actually referenced in the code.
16
17 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
18
19         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
20         (got_symbolic_operand): Remove unreachable code.
21         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
22         setjmp_operand; add entry for tls_symbolic_operand.
23         * config/ia64/ia64-protos.h: Remove all prototypes of
24         predicate functions.
25
26 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
27
28         * c-common.h (lang_post_pch_load): New variable.
29         * c-pch.c (lang_post_pch_load): Define it.
30         (c_common_read_pch): Use it.
31         * cgraphunit.c (record_call_1): Give the front end a chance to
32         record additional needed entities when a variable is marked as
33         needed.
34         * tlink.c (recompile_files): Robustify.
35         (scan_linker_output): If a symbol is assigned to a file,
36         but after recompilation is not present there, issue an error
37         message.
38
39 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
40
41         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
42         Take orig_loop argument and pass it to set_level.
43         (schedule_sm): Pass the correct orig_loop to force_move_till.
44
45 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
46
47         * cfgloop.c (update_latch_info): Update dominator of the new block.
48         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
49         info.
50         * dominance.c (verify_dominators): Check that the dominance tree is
51         connected.
52         (recount_dominator): Ignore unreachable blocks.
53         (iterate_fix_dominators): Cleanup old dominance information before
54         recomputing it.
55
56 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
57
58         * tree-ssa-operands.c (get_expr_operands): Revert changes
59         to ADDR_EXPR processing introduced by:
60             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
61             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
62
63 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
64
65         * doc/implement-c.texi: Add C90 subclause references.  Point to
66         preprocessor documentation instead of duplicating it.  Add points
67         only present in C90.  Fill in documentation for all points.
68
69 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
70
71         * pa.c (output_movb): Correct typo.
72
73 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
74
75         * ra.h (single_reg_in_regclass): Declare.
76         * ra.c (single_reg_in_regclass): Define.
77         (first_hard_reg): New.
78         (init_ra): Initialize single_reg_in_regclass.
79         * ra-colorize.c (ok_class): New.
80         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
81
82 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
83
84         * gcov-io.h: Allow zero tag as EOF indicator.
85         (gcov_is_eof): Remove.
86         (gcov_truncate): Remove.
87         * gcov-io.c (gcov_seek): Always SEEK_SET.
88         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
89         EOF tag.
90         * coverage.c (read_counts_file): Don't use gcov_is_eof.
91         * gcov-dump.c (dump_file): Likewise.
92         * gcov.c (read_graph_file, read_count_file): Likewise.
93
94         * c-decl.c (complete_array_type): Don't gratuitously copy
95         maxindex.  Check it always has a type.
96
97 2004-07-29  Steven Bosscher  <stevenb@suse.de>
98
99         * rtl.c (currently_expanding_to_rtl): New.
100         * rtl.h (currently_expanding_to_rtl): Export it.
101         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
102
103         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
104         inliner hack.
105         * config/sh/sh.c: Replace rtx_equal_function_value_matters
106         with currently_expanding_to_rtl.
107         * config/sh/sh.md: Likewise.
108         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
109
110 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
111
112         Introduce sh2a support.
113         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
114         * config.gcc: Build multilibs for sh2a and sh2a-single by
115         default.
116         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
117         default.  Split their tests out of the corresponding SH4
118         multilibs.
119         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
120         multilibs for SH2a.
121         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
122         * config.gcc: Handle sh2a multilibs and cpu selection.
123         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
124         * config/sh/t-mlib-sh2a: New.
125         * config/sh/t-mlib-sh2a-nofpu: New.
126         * config/sh/t-mlib-sh2a-single: New.
127         * config/sh/t-mlib-sh2a-single-only: New.
128         2004-07-09  Nick Clifton  <nickc@redhat.com>
129         Issue 43400
130         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
131         -ml and -m2a are used together.
132         2004-03-23  DJ Delorie  <dj@redhat.com>
133         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
134         when we have a double-sized FPU.
135         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
136         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
137         is set.
138         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
139         -msh2a-single and -msh2a-single-only
140         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
141         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
142         is set.
143         2004-02-20  DJ Delorie  <dj@delorie.com>
144         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
145         2004-02-20  Fred Fish <fnf@redhat.com>,
146         Corinna Vinschen <vinschen@redhat.com>
147         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
148         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
149         2004-02-18  DJ Delorie  <dj@redhat.com>
150         * config/sh/sh.c (broken_move): Add support for movi20.
151         * config/sh/sh.h: Likewise.
152         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
153         * config/sh/sh.md (udivsi3_sh2a): New.
154         (udivsi3): Call it.
155         (divsi3_sh2a): New.
156         (divsi3): Call it.
157         (mul_r): New.
158         (ashlsi3_sh2a): New.
159         (ashrsi3_sh2a): New.
160         (lshrsi3_sh2a): New.
161         (movsi_i): Disable for sh2a.
162         (movsi_ie): Add movi20.
163         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
164         sh2a, for -m2a-nofpu mode.
165         2004-02-13  DJ Delorie  <dj@redhat.com>
166         * config/sh/lib1funcs.asm: Handle double vs single better.
167         * config/sh/sh.h: Likewise.
168         2004-02-09  DJ Delorie  <dj@redhat.com>
169         * config/sh/crt1.asm: Add support for sh2a.
170         * config/sh/elf.h: Likewise.
171         * config/sh/lib1funcs.asm: Likewise.
172         * config/sh/sh.c: Likewise.
173         * config/sh/sh.md: Likewise.
174         * config/sh/sh.h: Likewise.
175         * config/sh/t-sh: Likewise.
176
177 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
178
179         * config/frv/frv.md (movqi_internal, movhi_internal,
180         movsi_internal): Add backup alternatives for memory inputs.
181
182 2004-07-28  Matt Austern  <austern@apple.com>
183
184         * config/darwin.c (darwin_one_byte_bool): New global variable.
185         * config/darwin.h (darwin_one_byte_bool): Declare.
186         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
187         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
188         value of darwin_one_byte_bool.
189         * doc/invoke.texi: Document -mone-byte-bool flag.
190
191 2004-07-28  Eric Christopher  <echristo@redhat.com>
192
193         * c-common.c (c_common_unsafe_for_reeval): Delete.
194         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
195         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
196         * calls.c (fix_unsafe_tree): Delete.
197         (expand_call): Delete code which used above.
198         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
199         * expr.c (expand_expr_real_1): Ditto.
200         * fold-const.c (non_lvalue): Ditto.
201         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
202         (lhd_unsafe_for_reeval): Ditto.
203         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
204         * langhooks.h (unsafe_for_reeval): Ditto.
205         (unsave_expr_now): Adjust comment.
206         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
207         (estimate_num_insns_1): Ditto.
208         * tree-pretty-print.c (dump_generic_node): Ditto.
209         * tree.c (expr_align): Ditto.
210         (unsave_expr): Delete.
211         (unsafe_for_reeval): Ditto.
212         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
213         * tree.def (UNSAVE_EXPR): Delete.
214         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
215
216 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
217
218         * tree.h (enum tls_model): Move ...
219         * coretypes.h: ... here.
220
221 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
222
223         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
224
225 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
226
227         * cse.c (validate_canon_reg): New function, split out from...
228         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
229
230 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
231
232         * tree-ssa-alias.c (maybe_create_global_var): Don't just
233         return if .GLOBAL_VAR has been created.
234
235 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
236
237         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
238         every variable that may have aliases, not just tags.
239
240 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
241
242         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
243         move_from_CR_eq_bit.
244         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
245
246
247         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
248         e500_flip_eq_bit.
249
250         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
251         output_e500_flip_eq_bit.
252
253         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
254         output_e500_flip_eq_bit.
255         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
256         output_e500_flip_eq_bit.
257         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
258         (print_operand): case D.  Get to EQ bit.
259
260 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
261
262         * gcov.c (function_summary): Add missing \n.
263
264 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
265
266         Introduce sh4a support.
267         * config.gcc: Handle sh4a multilibs and cpu selection.
268         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
269         * config/sh/t-mlib-sh4a: New.
270         * config/sh/t-mlib-sh4al: New.
271         * config/sh/t-mlib-sh4a-nofpu: New.
272         * config/sh/t-mlib-sh4a-single: New.
273         * config/sh/t-mlib-sh4a-single-only: New.
274         2004-02-20  DJ Delorie  <dj@redhat.com>
275         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
276         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
277         2003-08-22  Eric Christopher  <echristo@redhat.com>
278         * config/sh/sh4a.md: Update for chip errata.
279         2003-08-07  Eric Christopher  <echristo@redhat.com>
280         * config/sh/sh4a.md: New file. sh4a processor description.
281         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
282         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
283         of -m4a-nofpu.
284         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
285         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
286         * doc/invoke.texi (SH Options): Document -m4al.
287         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
288         * config/sh/sh.c (expand_block_move): Remove commented-out code
289         checked in by mistake.
290         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
291         single elements from SFmode vectors.
292         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
293         register.
294         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
295         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
296         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
297         sh_fsca_int2sf): Remove variable declarations.
298         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
299         sh_fsca_int2sf): New functions.
300         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
301         sh_fsca_int2sf_rtx): New static variables.
302         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
303         sh_fsca_int2sf): Declare.
304         * config/sh/sh.md: Adjust.
305         * doc/invoke.texi (SH Options): Document new options.
306         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
307         compatibility from SH4 code.
308         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
309         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
310         early.
311         (memory_movsrc_operand): Renamed to...
312         (unaligned_load_operand): ... this.  Simplified.
313         * config/sh/sh.h (PREDICATE_CODES): Adjust.
314         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
315         input operand to SImode, and adjust the others.  Introduce
316         post-increment by peephole.
317         * config/sh/sh.c (expand_block_move): Give the target address the
318         same mode as the temp reg.
319         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
320         copying.
321         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
322         Introduce support for SH4a.
323         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
324         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
325         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
326         sh_fsca_int2sf): New.
327         (sh_init_builtins): Initialize them.
328         (print_operand): Support `d'.
329         (expand_block_move): Use movua if src is misaligned.
330         (memory_movsrc_operand): New.
331         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
332         and one of the SH4 macros.
333         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
334         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
335         SELECT_SH4A_SINGLE): New.
336         (TARGET_NONE): Add SH4A_BIT.
337         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
338         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
339         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
340         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
341         (enum processor_type): Added PROCESSOR_SH4A.
342         (PREDICATE_CODES): Add memory_movsrc_operand.
343         * config/sh/sh.md: Removed unused variables.
344         (attr cpu): Add sh4a.
345         (attr type): Add movua, fsrra and fsca.
346         (prefetch): New, for SH4.
347         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
348         (toggle_sz): Set type to fp.
349         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
350         (movua, extv, extzv): New.
351         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
352         and 4a-single-only.
353
354 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
355
356         * tree-optimize.c (init_tree_optimization_passes): Schedule
357         pass_may_alias right after the program is renamed into SSA.
358         * tree-pass.h (PROP_alias): Define.
359         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
360         * tree-sra.c (pass_sra): Likewise.
361         * tree-ssa-ccp.c (pass_ccp): Likewise.
362         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
363         * tree-ssa-dce.c (pass_dce): Likewise.
364         * tree-ssa-dom.c (pass_dominator): Likewise.
365         * tree-ssa-dse.c (pass_dse): Likewise.
366         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
367         * tree-ssa-loop-ch.c (pass_ch): Likewise.
368         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
369         * tree-ssa-pre.c (pass_pre): Likewise.
370         * tree-tailcall.c (pass_tail_recursion): Likewise.
371         * tree-ssa.c (pass_redundant_phi): Likewise.
372         * tree-ssa-alias.c (aliases_computed_p): Remove.
373         Update all users.
374         (init_alias_info): Do not mark all type tags for renaming
375         unconditionally.
376         Clear may_aliases from every symbol.
377         (setup_pointers_and_addressables): If a pointer has not been
378         dereferenced and it had a type tag, clear it and mark the old
379         tag for renaming.
380
381 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
382
383         PR tree-optimization/16705
384         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
385         .GLOBAL_VAR.
386
387 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
388
389         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
390         check.
391
392         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
393         don't make another one.
394
395         PR optimization/15077
396         * function.h (struct function): Add field saved_static_chain_decl.
397         Fix comment for static_chain_decl.
398         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
399         * tree-inline.h (save_body): Add new arg.
400         * tree-optimize.c (tree_rest_of_compilation): Handle saving
401         static_chain_decl.
402
403 2004-07-27  Richard Henderson  <rth@redhat.com>
404
405         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
406         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
407         is_gimple_addressable.
408         * tree-gimple.c (is_gimple_addressable): Rename from
409         is_gimple_addr_expr_arg; accept INDIRECT_REF.
410         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
411         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
412         rename to is_gimple_addressable.
413
414 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
415
416         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
417
418 2004-07-27  Richard Henderson  <rth@redhat.com>
419
420         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
421         before rounding.
422
423 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
424
425         * libgcc2.c: Change all conditionals testing
426         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
427         * libgcc2.h: Likewise.
428         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
429         TYPE_PRECISION of float80_type to 80.
430         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
431         of fpreg_type and float80_type to 80.
432         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
433         * config/m68k/netbsd-elf.h:
434         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
435         to evaluate to 80 whenever they would formerly have evaluated to 96.
436         * config/i386/sco5.h: Remove unnecessary redefinition of
437         LONG_DOUBLE_TYPE_SIZE.
438         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
439         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
440         XFmode, with a bitsize of 80.  Update commentary.
441         * config/ia64/ia64-modes.def: Likewise.
442         * config/m68k/m68k-modes.def: Likewise.
443
444 2004-07-27  Steven Bosscher  <stevenb@suse.de>
445
446         * cfgexpand.c (tree_expand_cfg): Fix comment.
447
448         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
449         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
450         Remove.
451         (prepare_function_start): Don't set rtx_equal_function_value_matters.
452         * integrate.c (copy_rtx_and_substitute): Don't test for it.
453         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
454         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
455         here again.  Update leading comment.
456         * rtl.c (rtx_equal_function_value_matters): Remove.
457         (rtx_equal_p): Don't test for it.
458         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
459         Likewise.
460
461         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
462         * rtl.c (note_insn_name): Likewise.
463         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
464         * final.c (final_scan_insn): Likewise.
465
466         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
467         * passes.c (rest_of_handle_eh): Do it here.
468
469         * stmt.c (struct nesting): Remove struct nesting block member.
470         (struct stmt_status): Remove x_block_start_count field.
471         (current_block_start_count): Remove.
472
473 2004-07-27  Brian Booth  <bbooth@redhat.com>
474
475         * tree-optimize.c (register_one_dump_file): Update condition that uses
476         static_pass_number.
477         (dup_pass_1): Replace with...
478         (next_pass_1): This.
479         (NEXT_PASS): Call next_pass_1.
480         (DUP_PASS): Remove.
481         (init_tree_optimization_passes): Remove uses of DUP_PASS.
482         (execute_one_pass): Update condition that uses
483         static_pass_number.
484         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
485         integer.
486
487 2004-07-27  Nick Clifton  <nickc@redhat.com>
488
489         * config/m32r/m32r.c: Include integrate.h in order to get the
490         prototype for get_hard_reg_initial_val().
491
492         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
493         and tidy up indentation.
494         (final_presence_set): Use absence_set instead, so that if there is
495         nothing in the "o" pipe the "s" pipe can be scheduled.
496
497 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
498
499         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
500         don't have PT_VARS nor PT_MALLOC set.
501         Clear name tag from pointers that have not been dereferenced.
502         (set_pt_anything, set_pt_malloc): Forward declare.
503         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
504         not type compatibility when determining if a pointer can be
505         copy propagated.
506
507 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
508
509         * expr.h (canonicalize_condition, get_condition): Add an int argument.
510         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
511         it to check whether the condition is still valid at the jump insn.
512         * ifcvt.c (noce_get_condition): Likewise.
513         (noce_get_alt_condition): Update call to canonicalize_condition.
514         * loop-iv.c (simplify_using_initial_values): Update call to
515         get_condition.  Remove FIXME.
516         (check_simple_exit): Update call to get_condition.
517         * loop-unswitch.c (may_unswitch_on): Likewise.
518         * loop.c (check_dbra_loop): Likewise.
519         (canonicalize_condition, get_condition): Add an argument to say whether
520         the condition must still be valid at INSN.
521         (get_condition_for_loop): Update call to get_condition.  Require that
522         the condition be valid at INSN.
523         * predict.c (estimate_probability): Update call to get_condition.
524         Remove unused earliest parameter.
525         (expected_value_to_br_prob): Update call to canonicalize_condition.
526
527 2004-07-26  Eric Christopher  <echristo@redhat.com>
528
529         * tree-dfa.c (add_referenced_var): Register initializers of global
530         variables.
531
532 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
533
534         * config/i386/i386.c (function_arg): Always treat 8-
535         and 16-byte wide vectors the same, even if MMX/SSE
536         are disabled.
537         (contains_128bit_aligned_vector_p): Add comment.
538
539 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
540
541         * ra.h (enum node_type): Rename to:
542         (enum ra_node_type).
543         * ra-colorize.c: Likewise.
544
545 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
546
547         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
548         after simplifying the jump.
549
550 2004-06-26  Richard Henderson  <rth@redhat.com>
551
552         * calls.c (combine_pending_stack_adjustment_and_call): Make
553         preferred_unit_stack_boundary argument unsigned.  Make
554         unadjusted_alignment unsigned.
555         (expand_call): Make preferred_stack_boundary and
556         preferred_unit_stack_boundary variables unsigned.
557         * function.c (assign_stack_local_1): Make alignment unsigned.
558         * function.h (struct function): Make stack_alignment_needed,
559         preferred_stack_boundary unsigned.
560         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
561         (ix86_compute_frame_layout): Make stack_alignment_needed,
562         preferred_alignment variables unsigned.
563         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
564
565 2004-07-26  Tom Tromey  <tromey@redhat.com>
566
567         * tree.h: Fix typo in comment.
568
569 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
570
571         PR bootstrap/12804
572         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
573         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
574         (ggc_free): Remove incorrect freeing.
575         (sweep_pages): Advance PP for large pages.  Fix indentation.
576
577 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
578
579         PR rtl-optimization/16643
580         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
581         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
582         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
583         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
584         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
585         * function.c (thread_prologue_and_epilogue_insns): Likewise.
586         * rtl.h (tracer): Add a flags parameter.
587         * tracer.c (tracer): Pass it to cfg_layout_initialise.
588         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
589         (rest_of_handle_reorder_blocks): Update calls to tracer and
590         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
591         (rest_of_handle_tracer): Pass 0 to tracer.
592         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
593
594 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
595
596         PR target/16239
597         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
598         f->f.
599
600 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
601
602         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
603         (BINFO_BASE_ACCESS): Adjust.
604         (BINFO_BASE_ACCESS_APPEND): New.
605         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
606         * dbxout.c (dbxout_type): Adjust binfo access accessing.
607         * dwarf2out.c (gen_member_die): Likewise.
608         * tree-dump.c (deque_and_dump): Likewise.
609
610 2004-07-26  Falk Hueffner  <falk@debian.org>
611
612         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
613         costs.
614
615 2004-07-25  Roger Sayle  <roger@eyesopen.com>
616
617         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
618         value off of the stack if TARGET_USE_FFREEP.
619
620 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
621
622         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
623         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
624         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
625         check on invocation of XRESIZEVEC ().
626
627 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
628
629         * c-common.c (disable_builtin_function): Rename variable n to
630         new_disabled_builtin.
631         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
632         Rename local variable old to old_decl.
633         * gensupport.c (shift_output_template): Rename parameter old to src.
634         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
635         old_rtx and newx to new_rtx.
636
637 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
638
639         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
640         of c-pragma.h.
641         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
642         enum cpp_ttype.
643         * c-lex.c: Likewise.
644
645 2004-07-25  Roger Sayle  <roger@eyesopen.com>
646
647         * fold-const.c (constant_boolean_node): Make extern.
648         (make_range): Wrap long lines.
649         (fold_cond_expr_with_comparison): Remove unnecessary call to
650         pedantic_non_lvalue.  Add missing calls to fold_convert.
651         (fold_truthop): Add missing calls to fold_convert.
652         (fold): Likewise.
653         * tree.h (constant_boolean_node): Add prototype here.
654         * builtins.c (expand_builtin_strncmp): Add missing calls to
655         fold_convert.
656         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
657         Call fold_convert and constant_boolean_node to correct types.
658         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
659         missing call to fold_convert to correct types.
660
661 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
662             Brian Ryner  <bryner@brianryner.com>
663
664         PR c++/9283
665         PR c++/15000
666         * c-common.c (c_common_attribute_table): Allow
667         handle_visibility_attribute to be called for types.
668         (handle_visibility_attribute) When given a type, set the visibility
669         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
670         so that we can check later whether the attribute was present. Added
671         warning if attribute applied to non class type.
672         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
673         decls and checking that they are consistent.
674         * common.opt: Added -fvisibility.
675         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
676         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
677         * flags.h, tree.h: Added assorted support defines for overall patch
678         * opts.c: Added parsing support for -fvisibility.
679         * tree.c (build_decl): Set visibility for all decls to be whatever
680         is in force at that time.
681         * varasm.c (default_binds_local_p_1): Reworked logic determining
682         when to make a symbol locally bound.
683         * doc/invoke.texi: Added documentation for -fvisibility and
684         -fvisibility-inlines-hidden.
685
686 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
687
688         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
689         * c-common.c: Add missing casts from void * to other types.
690         * c-decl.c: Likewise.
691         * c-format.c: Likewise.
692         * c-lex.c: Likewise.
693         * c-pragma.c: Likewise.
694         * c-typeck.c: Likewise.
695         * defaults.h: Likewise.
696         * genconstants.c: Likewise.
697         * gengtype-lex.l: Likewise.
698         * genmodes.c: Likewise.
699         * read-rtl.c: Likewise.
700         * rtl.c: Likewise.
701
702 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
703
704         * bitmap.c: Use type-safe memory allocation macros from libiberty.
705         * c-common.c: Likewise.
706         * c-decl.c: Likewise.
707         * c-lang.c: Likewise.
708         * c-lex.c: Likewise.
709         * c-opts.c: Likewise.
710         * c-parse.in: Likewise.
711         * c-typeck.c: Likewise.
712         * genconditions.c: Likewise.
713         * gengtype-lex.l: Likewise.
714         * gengtype-yacc.y: Likewise.
715         * gengtype.c: Likewise.
716         * genmodes.c: Likewise.
717         * gensupport.c: Likewise.
718         * read-rtl.c: Likewise.
719         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
720         htab_find_slot().
721
722 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
723
724         * c-decl.c (groktypename, groktypename_in_param_context): Rename
725         variable typename to type_name.
726         * c-lex.c (interpret_float): Likewise.
727
728 2004-07-25  Roger Sayle  <roger@eyesopen.com>
729
730         * convert.c (convert_to_real, convert_to_integer,
731         convert_to_complex): Replace calls to build with calls to buildN.
732         * coverage.c (tree_coverage_counter_ref): Likewise.
733         * dojump.c (do_jump): Likewise.
734         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
735         * emit-rtl.c (component_ref_for_mem_expr,
736         set_mem_attributes_minus_bitpos): Likewise.
737         * explow.c (update_nonlocal_goto_save_area): Likewise.
738         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
739         expand_mult_add): Likewise.
740         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
741         store_constructor, get_inner_reference, expand_expr_real_1,
742         try_casesi, try_tablejump): Likewise.
743         * function.c (expand_function_start): Likewise.
744         * stmt.c (emit_case_bit_tests, expand_end_case_type,
745         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
746         * stor-layout.c (place_union_field, layout_type): Likewise.
747         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
748         * varasm.c (copy_constant): Likewise.
749
750 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
751
752         * c-common.c: Rename all identifiers named `new'.
753         * c-decl.c: Likewise.
754         * gensupport.c: Likewise.
755         * simplify-rtx.c: Likewise.
756         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
757         with XNEW().
758         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
759         with XNEWVEC().
760
761 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
762
763         PR c/15360
764         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
765         declarations until after calling pushdecl.
766         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
767         "extern" and not on whether the declaration is initialized.
768
769 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
770
771         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
772         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
773         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
774         "cpplib.h", "c-pragma.h", "c-common.h".
775         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
776         (solaris_register_pragmas): New functions.
777         * config/sol2-protos.h: New file.
778         * config/sol2.c: New file.
779         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
780         (REGISTER_TARGET_PRAGMAS): New macros.
781         (solaris_pending_aligns, solaris_pending_inits)
782         (solaris_pending_finis): New variables.
783         * config/t-sol2 (sol2-c.o): Update dependencies.
784         (sol2.o): New rule.
785         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
786         SUBTARGET_INSERT_ATTRIBUTES.
787         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
788         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
789         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
790         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
791         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
792         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
793         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
794         * config/sparc/sparc.c (sparc_attribute_table): New.
795         (TARGET_INSERT_ATTRIBUTES): Define in terms of
796         SUBTARGET_INSERT_ATTRIBUTES.
797         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
798         is defined.
799         * doc/extend.texi (Solaris Pragmas): New section.
800
801 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
802
803         * c-common.c: Rename all identifiers named `class' to `cl'.
804         * c-common.h: Likewise.
805         * c-parse.in: Likewise.
806         * c-typeck.c: Likewise.
807         * genmodes.c: Likewise.
808         * real.c: Likewise.
809         * real.h: Likewise.
810         * recog.c: Likewise.
811         * recog.h: Likewise.
812         * regrename.c: Likewise.
813         * tree.h: Likewise.
814         * c-common.c (builtin_function_2): Change type of 5th parameter from
815         int to enum built_in_function. Change type of 8th parameter from int
816         to bool.
817         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
818         with GGC_CNEW().
819         * c-typeck.c (convert_arguments): Change type of formal_prec from
820         int to unsigned int.
821         * genmodes.c (blank_mode): Make a few negative constants unsigned.
822         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
823         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
824         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
825         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
826         iterator to for_all_modes () instead of an enum because enums can't
827         be incremented in C++.
828
829
830 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
831
832         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
833         hard registers.
834
835 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
836
837         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
838         Handle ARRAY_RANGE_REF like ARRAY_REF.
839
840 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
841
842         * c-typeck.c (digest_init): Don't allow arrays of signed or
843         unsigned variants of wchar_t to be initialized by wide string
844         constants.  Do allow arrays of enumerated types compatible with
845         wchar_t to be initialized by wide string constants.  Refine tests
846         distinguishing wide and narrow strings and arrays.  Give specific
847         error for arrays of other integer types initialized by string
848         constants.
849         (output_init_element, process_init_element): Check for
850         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
851         initializing with string constants.
852
853 2004-07-25  Richard Henderson  <rth@redhat.com>
854
855         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
856         on the RESULT_DECL.
857         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
858         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
859         DECL_IGNORED_P to new decl.
860
861 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
862
863         * config/ia64/ia64.c (general_xfmode_operand)
864         (destination_xfmode_operand): Delete.
865         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
866         * config/ia64/ia64.md (*movxf_internal): Use general_operand
867         and destination_operand.
868
869 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
870
871         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
872         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
873
874 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
875             Zack Weinberg  <zack@codesourcery.com
876
877         PR 16684
878         * c-decl.c (diagnose_mismatched_decls): Don't issue a
879         redundant-declaration warning the first time a builtin is
880         declared explicitly.
881
882 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
883
884         * tree.h (staticp): Change return type to bool.
885
886 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
887
888         * c-common.c (c_staticp): Last episode of the staticp saga.
889
890 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
891
892         * c-common.h (c_staticp): Change return type from int to bool.
893         * tree.c (staticp): Likewise.
894         * langhooks.h (staticp): Likewise.
895
896 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
897
898         * langhooks-def.h (lhd_staticp): Change return type from int to
899         bool in prototype to match definition.
900
901 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
902
903         * system.h (bool, true, false): Don't redefine as preprocessor macros
904         in C++.
905
906 2004-07-24  Roger Sayle  <roger@eyesopen.com>
907
908         * expmed.c (init_expmed): A signed modulus by a power of two is
909         considered cheap if its less than or equal to four instructions.
910
911 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
912
913         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
914         GGC_CNEWVAR): New macros.
915
916 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
917
918         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
919         lists.
920         * c-decl.c: Likewise.
921         * c-format.c: Likewise.
922         * c-lex.c: Likewise.
923         * c-opts.c: Likewise.
924         * c-pragma.c: Likewise.
925         * c-typeck.c: Likewise.
926         * gencheck.c: Likewise.
927         * genconditions.c: Likewise.
928         * genconfig.c: Likewise.
929         * genflags.c: Likewise.
930         * gengtype.c: Likewise.
931         * gensupport.c: Likewise.
932         * ggc-none.c: Likewise.
933         * langhooks.c: Likewise.
934         * statistics.h: Likewise.
935         * stub-objc.c: Likewise.
936         * java/decl.c: Likewise.
937
938 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
939
940         * config/m68k/m68k.c (output_scc_di): Fix coding style.
941         (symbolic_operand): Fix prototype.
942         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
943         * config/m68k/m68k.md: Add constants for registers a0 and sp and
944         use them, change from the "{...}" syntax to the simpler {...}
945         syntax.
946         (*cfv4_extendqisi2): Fix destination predicate.
947         * config/m68k/m68k-protos.h: Remove various declarations also
948         generated via PREDICATE_CODES.
949
950 2004-07-23  Mike Stump  <mrs@apple.com>
951
952         * c-typeck.c (convert_for_assignment): Tightened up pointer
953         converstions that differ in signedness.
954
955 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
956
957         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
958
959 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
960
961         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
962         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
963
964         * gimplify.c (gimplify_compound_lval): Check for no handled
965         operations, rather than checking for explicit list of nodes.
966         (is_gimple_addr_expr_arg_or_indirect): New function.
967         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
968         redundant setting of TREE_INVARIANT.
969         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
970         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
971
972 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
973
974         PR tree-optimization/16688
975         PR tree-optimization/16689
976         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
977         unnecessary initialization of 'tag'.
978         (get_tmt_for): Check that the new type tag has the same alias
979         set as the pointed-to type.
980         (group_aliases): Only regular variables need to be removed
981         from the alias set of a name tag.
982         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
983         propagation if the two types are not compatible.
984         (merge_alias_info): Rename from replace_ssa_names_ann.
985         Add more checking.
986         (replace_exp_1): If both arguments are SSA_NAMEs, check that
987         the propagation can be done.
988         Only call merge_alias_info on pointers.
989         (propagate_value): Likewise.
990         * tree-ssa-copyrename.c: Include langhooks.h.
991         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
992         to do the merging.
993         Do not coalesce variables with incompatible types.
994         (rename_ssa_copies): Call replace_ssa_name_symbol.
995         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
996         the same type as the underlying _DECL.
997         * tree-ssanames.c (replace_ssa_name_symbol): New function.
998         * tree.h (replace_ssa_name_symbol): Declare.
999
1000 2004-07-23  Richard Henderson  <rth@redhat.com>
1001
1002         PR c++/16277
1003         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
1004         unshare it properly.
1005         (gimplify_modify_expr_rhs): Push assignment from a conditional into
1006         the conditional for all non-register types.
1007
1008 2004-07-23  Richard Henderson  <rth@redhat.com>
1009
1010         * expr.c (expand_expr_real_1): Don't handle non-local variables.
1011         * expr.h (fix_lexical_addr): Remove.
1012         * function.c (NEED_SEPARATE_AP): Remove.
1013         (fix_lexical_addr): Remove.
1014         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
1015         not null decl_function_context.
1016         (create_alias_vars): Likewise.
1017         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
1018         (simple_goto_p): Likewise.
1019         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
1020         * tree-ssa-ccp.c (get_default_value): Likewise.
1021         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1022         * tree.c (needs_to_live_in_memory): Likewise.
1023         * tree-flow-inline.h (may_be_aliased): Move...
1024         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
1025         when TREE_STATIC variables may be addressable.
1026
1027 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
1028
1029         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
1030
1031 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
1032
1033         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
1034         bitmap contents if GENERATOR_FILE is defined.
1035         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
1036         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
1037
1038 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1039
1040         * c-decl.c (start_function): Form composite type of function types
1041         rather than copying type from previous prototype declaration.
1042
1043 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
1044
1045         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
1046         the const qualifier for the second argument in the C++ functions.
1047
1048         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
1049         specific pointer types.
1050
1051         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
1052         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
1053         for vector bool and/or vector pixel, add C++ and C missing support.
1054         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
1055         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
1056         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
1057         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
1058         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
1059         missing C++ and C support for vector bool and/or vector pixel.
1060         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
1061         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
1062         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
1063         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
1064         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
1065         C++ and C types used for vector bool and/or vector pixel.
1066         (vec_st, vec_stl): Add C++ support for vector pixel.
1067         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
1068         (vec_all_ne): Add C++ support for vector pixel.
1069
1070         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
1071         (vec_vmulesb): Add missing C++ function.
1072         (vec_perm): Fix type of third argument in C++ function.
1073         (vec_vsum4shs): Fix C++ function name.
1074         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
1075         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
1076         argument passed to the error handler in C macro.
1077         (vec_nmsub): Remove extra parens around argument names in C macro.
1078         (vec_packpx): Add missing parens in C macro.
1079
1080 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1081
1082         * machmode.def: Remove vector modes.
1083         * config/alpha/alpha-modes.def: Add supported vector modes.
1084         * config/arm/arm-modes.def: Likewise.
1085         * config/frv/frv-modes.def: Likewise.
1086         * config/i386/i386-modes.def: Likewise.
1087         * config/rs6000/rs6000-modes.def: Likewise.
1088         * config/sh/sh-modes.def: Likewise.
1089
1090 2004-07-23  Matthias Klose  <doko@debian.org>
1091
1092         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
1093         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
1094         * config.h: Regenerate.
1095         * configure: Likewise.
1096
1097 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
1098
1099         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
1100         generated SYMBOL_REFs for labels.
1101         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
1102         Change prototype.
1103         (machopic_stub_name): Remove.
1104         (machopic_indirection_name): New function.
1105         (machopic_mcount_stub_name): Likewise.
1106         (machopic_classify_name): Remove.
1107         (machopic_function_base_sym): New function.
1108         (machpoic_classify_symbol): Likewise.
1109         (machopic_classify_ident): Remove.
1110         (machopic_define_ident): Likewise.
1111         (machopic_define_name): Likewise.
1112         (machopic_name_defined_p): Likewise.
1113         (machopic_ident_defined_p): Likewise.
1114         (darwin_strip_name_encoding): Likewise.
1115         (machopic_define_symbol): New function.
1116         * config/darwin.c (hashtab.h): Include.
1117         (machopic_defined_list): Remove.
1118         (machopic_classify_ident): Likewise.
1119         (machopic_classify_name): Likewise.
1120         (machopic_ident_defined_p): Likewise.
1121         (machopic_define_ident): Likewise.
1122         (machopic_define_name): Likewise.
1123         (machopic_symbol_defined_p): New function.
1124         (machopic_classify_symbol): Likewise.
1125         (machopic_data_defined_p): Use machopic_classify_symbol.
1126         (machopic_define_symbol): New function.
1127         (machopic_function_base_sym): New function.
1128         (machopic_non_lazy_pointers): Remove.
1129         (machopic_non_lazy_ptr_name): Likewise.
1130         (machopic_stubs): Likewise.
1131         (machopic_stub_name): Likewise.
1132         (NON_LAZY_POINTER_SUFFIX): New macro.
1133         (STUB_SUFFIX): Likewise.
1134         (machopic_indirection): New structure.
1135         (machopic_indirections): New variable.
1136         (machopic_indirection_hash): New function.
1137         (machopic_indirection_eq): Likewise.
1138         (machopic_indirection_name): Likewise.
1139         (machopic_mcount_stub_name): New function.
1140         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
1141         hash table.
1142         (machopic_indirect_data_reference): Rework to use new functions.
1143         (machopic_indirect_call_target): Likewise.
1144         (machopic_legitimize_pic_address): Likewise.
1145         (machopic_output_indirection): New function.
1146         (machopic_finish): Use it.
1147         (machopic_operand_p): Rework to use new functions.
1148         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
1149         (darwin_strip_name_encoding): Remove.
1150         (update_non_lazy_ptrs): Remove.
1151         (update_stubs): Likewise.
1152         (darwin_non_lazy_pcrel): Use new functions.
1153         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
1154         (ASM_OUTPUT_LABELREF): Likewise.
1155         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1156         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
1157         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
1158         (TARGET_STRIP_NAME_ENCODING): Do not use
1159         darwin_strip_name_encoding.
1160         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
1161         darwin_strip_name_encoding.
1162         * config/i386/darwin.h (FUNCTION_PROFILER): Use
1163         machopic_mcount_stub_name.
1164         * config/i386/i386.c (x86_output_mi_thunk): Use
1165         machopic_indirection_name, not machopic_stub_name.
1166         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
1167         machopic_function_base_sym.
1168         (print_operand): Use machopic_classify_symbol.
1169         (rs6000_emit_prologue): Use machopic_function_base_sym.
1170         (output_profile_hook): Do not use machopic_stub_name.
1171         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
1172
1173 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1174
1175         PR c/7284
1176         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
1177         as multiplication.
1178
1179 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1180
1181         * doc/implement-c.texi: New file.
1182         * doc/extend.texi (C Implementation): Move to there.
1183         * doc/gcc.texi: Include implement-c.texi.
1184         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
1185
1186 2004-07-22  Jason Merrill  <jason@redhat.com>
1187
1188         * integrate.c (copy_decl_for_inlining): Remove invisible reference
1189         handling.
1190         * tree-inline.c (setup_one_parameter): Likewise.
1191
1192 2004-07-22  Brian Booth  <bbooth@redhat.com>
1193
1194         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
1195         (substitute_and_fold): Propigate into VUSE operands when possible.
1196         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
1197         (cp_lattice_meet): Handle merging of latticevalues when
1198         UNKNOWN_VAL is present.
1199         (visit_stmt): Visit assignments with V_MUST_DEFs.
1200         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
1201         (ccp_fold): Deal with RHS' that are constant and virtual.
1202         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
1203         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
1204         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
1205         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
1206         computing immediate uses.
1207         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
1208         transition.
1209         (replace_vuse_in): New function.
1210         (likely_value): Add check of vuse operands.
1211         (get_default_value): Set the default value of virtually defined
1212         variables to UKNOWN_VAL instead of VARYING.
1213
1214 2004-07-22  Richard Henderson  <rth@redhat.com>
1215
1216         * expr.c (emit_push_insn): Don't use set_mem_attributes.
1217
1218 2004-07-22  Richard Henderson  <rth@redhat.com>
1219
1220         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
1221         variables due to conditional compilation.
1222
1223 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1224
1225         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
1226         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
1227         Release SSA names that have been re-renamed.
1228         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
1229         variable.
1230         * tree-ssa-alias.c (init_alias_info): If aliases have been
1231         computed before, clear existing alias information.
1232         (create_name_tags): Do no fixup PT_ANYTHING pointers.
1233         If the new name tag for a pointer is different than the one it
1234         had before, mark the old tag for renaming.
1235         (replace_may_alias): New function.
1236         (group_aliases): Call it.
1237         (setup_pointers_and_addressables): Always call get_tmt_for.
1238         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
1239         once.
1240         (set_pt_anything): New local function.
1241         (set_pt_malloc): New local function.
1242         (merge_pointed_to_info): Don't merge pointed-to variables from
1243         the original pointer if the destination is pointing to an
1244         unknown location.
1245         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
1246         (add_pointed_to_var): Do not add a variable to the points-to
1247         set if the pointer is already pointing to anywhere.
1248         (collect_points_to_info_r): If the defining statement is a PHI
1249         node, only merge pointed-to information if the argument has
1250         already been visited.
1251         (get_tmt_for): Only create a new tag if the pointer didn't
1252         have one already.
1253         (dump_alias_info): Emit more information.
1254         (dump_points_to_info_for): Likewise.
1255         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
1256         try to get the annotation of an SSA_NAME.
1257         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
1258         alias sets when checking is enabled.
1259         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
1260         (eliminate): Mark basic blocks that will need
1261         EH information cleaned up.
1262         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
1263         predecessor.
1264         Initialize need_eh_cleanup.
1265         (fini_pre): Call tree_purge_all_dead_eh_edges and
1266         cleanup_tree_cfg if needed.
1267         Free need_eh_cleanup.
1268         * tree-ssa.c (verify_ssa_name): New function.
1269         (verify_def): Call it.
1270         Re-arrange to avoid printing too many error messages.
1271         (verify_use): Likewise.
1272         (verify_phi_args): Likewise.
1273         (verify_flow_insensitive_alias_info): New function.
1274         (verify_flow_sensitive_alias_info): New function.
1275         (verify_alias_info): New function.
1276         (verify_ssa): Call verify_alias_info.
1277         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
1278         program.
1279         Re-arrange to avoid printing too many error messages.
1280         * tree-ssanames.c (make_ssa_name): Clear
1281         SSA_NAME_IN_FREE_LIST.
1282         (release_ssa_name): Never release a default definition.
1283         (release_defs): New function.
1284         * tree.h: Declare it.
1285         * tree-ssa-dce.c (remove_dead_stmt): Call it.
1286
1287 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
1288
1289         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
1290         If true, do a depth-first search.  Do a breadht-first search,
1291         otherwise.
1292         (walk_use_def_chains): Add new argument IS_DFS.
1293         Update all users.
1294         * tree-flow.h (walk_use_def_chains): Update prototype.
1295
1296 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
1297
1298         * config/cris/cris.md: Tweak formatting.
1299         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
1300         (mover2side, moverside, movemside, movei, op3, andu): Replace
1301         live define_peephole:s with define_peephole2 near-equivalents.
1302         Delete the rest.
1303         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
1304         word-size modes.
1305         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
1306         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
1307         "*mov_sidesi_mem" respectively.
1308
1309 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
1310
1311         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
1312         (gimplify_build1): Move from tree-complex.c do_unop.
1313         (gimplify_build2): Move from tree-complex.c do_binop.
1314         (gimplify_build3): New.
1315         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
1316         Adjust throughout to call the functions above.
1317         * tree-flow.h: Declare the functions above.
1318         * tree-nested.c (gimplify_val): Rename to...
1319         (tsi_gimplify_val): ... this.
1320
1321         * Makefile.in (tree_complex.o): Update dependencies.
1322         (stor-layout.o): Depend on regs.h.
1323         * c-common.c (handle_vector_size_attribute): Update for
1324         vector types without corresponding vector modes.
1325         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
1326         a corresponding vector mode is not available.
1327         * print-tree.c (print_node): Print nunits for vector types
1328         * regclass.c (have_regs_of_mode): New.
1329         (init_reg_sets_1): Initialize it and use it instead
1330         of allocatable_regs_of_mode.
1331         * regs.h (have_regs_of_mode): Declare it.
1332         * stor-layout.c (layout_type): Pick a mode for vector types.
1333         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
1334         build_replicated_const, do_unop, do_binop, do_plus_minus,
1335         do_negate, expand_vector_piecewise, expand_vector_parallel,
1336         expand_vector_addition, expand_vector_operations_1,
1337         expand_vector_operations, tree_lower_operations,
1338         pass_lower_vector_ssa, pass_pre_expand): New.
1339         (expand_complex_operations, pass_lower_complex): Remove.
1340         * tree-optimize.c (init_tree_optimization_passes): Adjust
1341         pass ordering for changes in tree-complex.c.
1342         * tree-pass.h: Declare new passes.
1343         * tree.c (finish_vector_type): Remove.
1344         (make_vector_type): New.
1345         (build_vector_type_for_mode, build_vector_type): Rewritten.
1346         * tree.def (VECTOR_TYPE): Document where the number of
1347         subparts is stored.
1348         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
1349         (make_vector): Remove declaration.
1350
1351 2004-07-21  Richard Henderson  <rth@redhat.com>
1352
1353         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
1354         TREE_THIS_VOLATILE, may_aliases, or optimization level.
1355         (remove_useless_vars): Dump debugging info.
1356         (expand_used_vars): Move ...
1357         * cfgexpand.c (expand_used_vars): ... here.  Make static.
1358         * tree-flow-inline.h (set_is_used): New.
1359         (set_default_def): Use get_var_ann.
1360         * tree-flow.h: Update decls.
1361         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
1362         (create_ssa_var_map): Use it.
1363         * tree-ssa.c (set_is_used): Remove.
1364
1365 2004-07-22  Ben Elliston  <bje@au.ibm.com>
1366
1367         * gdbinit.in: Set a breakpoint on internal_error.
1368
1369 2004-07-21  Richard Henderson  <rth@redhat.com>
1370
1371         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
1372         to create a new basic block.
1373
1374 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1375
1376         PR c/15052
1377         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
1378         return type on function definitions.  Move other warnings for
1379         qualified return type to -Wreturn-type.  Do not condition any such
1380         warnings on -pedantic.  Update comments.
1381         (start_function): Only copy function type from previous prototype
1382         declaration if return types are compatible.
1383         * c-typeck.c (function_types_compatible_p): Don't condition
1384         warning for incompatibility of volatile qualifiers on the return
1385         type on -pedantic.  Update comment.
1386         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
1387
1388 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1389
1390         * c-typeck.c (set_init_index): Require designator to be of integer
1391         type.
1392
1393 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1394
1395         PR c/11250
1396         * c-parse.in (init): Change to exprtype.
1397         (primary): Set original_code for STRING to STRING_CST.
1398         Call maybe_warn_string_init for compound literals.
1399         (initdcl, notype_initdcl): Call maybe_warn_string_init.
1400         (initval): Update.
1401         * c-tree.h (maybe_warn_string_init): New.
1402         (pop_init_level, process_init_element): Use struct c_expr.
1403         (struct c_expr): Update comment.
1404         * c-typeck.c (maybe_warn_string_init): New function.
1405         (digest_init): Call it.  Additional parameter strict_string.  All
1406         callers changed.
1407         (output_init_element): Likewise.
1408         (struct constructor_stack): Use struct c_expr for
1409         replacement_value.
1410         (really_start_incremental_init, push_init_level): Update.
1411         (pop_init_level): Update.  Return struct c_expr.
1412         (process_init_level): Update.  Take struct c_expr argument.
1413
1414 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
1415
1416         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
1417         commit.
1418
1419 2004-07-21  Eric Christopher  <echristo@redhat.com>
1420
1421         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
1422         removal.
1423         * c-decl.c (pop_scope): Ditto.
1424         * calls.c (expand_call): Remove call to current_nesting_level,
1425         update comment accordingly. Remove calls to expand_start_target_temps
1426         and expand_end_target_temps.
1427         * cfgexpand.c (construct_init_block): Remove call to
1428         expand_start_bindings_and_block.
1429         (construct_exit_block): Remove call to expand_end_bindings.
1430         * expr.c (safe_from_p): Remove BIND_EXPR handling.
1431         (expand_expr_real_1): Ditto. Fix formatting.
1432         (expand_vars): Delete.
1433         * stmt.c (POPSTACK): Remove block_stack.
1434         (stmt_status): Remove x_block_stack.
1435         (block_stack): Delete.
1436         (expand_start_bindings_and_block): Ditto.
1437         (expand_start_target_temps): Ditto.
1438         (expand_end_target_temps): Ditto.
1439         (current_nesting_level): Ditto.
1440         (warn_about_unused_variables): Ditto.
1441         (expand_end_bindings): Ditto.
1442         * tree.h: Remove declarations for above.
1443
1444 2004-07-21  Steven Bosscher  <stevenb@suse.de>
1445
1446         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
1447         * rtl.c (note_insn_name): Likewise.
1448         * print-rtl.c (print_rtx): Don't print it.
1449         * cfgrtl.h (can_delete_note_p): Don't handle it.
1450         (rtl_delete_block): Likewise.
1451         * passes.c (rest_of_handle_guess_branch_prob): Remove.
1452         (rest_of_compilation): Don't call it.
1453         * predict.c (process_note_predictions, process_note_prediction,
1454         note_prediction_to_br_prob): Remove.
1455         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
1456         * stmt.c (return_prediction): Remove.
1457         (expand_value_return): Don't call it.  Don't add prediction
1458         notes for return statements.
1459
1460 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
1461
1462         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
1463         once.
1464
1465 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
1466
1467         * c-common.c (vector_types_convertible_p): Use vector types'
1468         TYPE_SIZE and TREE_TYPE instead of their mode.
1469         * convert.c (convert_to_integer): Likewise.
1470         (convert_to_vector): Likewise.
1471         * fold-const.c (fold_convert): Likewise.
1472         * varasm.c (output_constant): Likewise.
1473         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
1474         Allow a VECTOR_TYPE initializer to be made of several vectors.
1475         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
1476         of cleared and need_to_clear, and use fold_convert.
1477         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
1478         integer vectors.
1479
1480 2004-07-20  Richard Henderson  <rth@redhat.com>
1481
1482         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
1483         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
1484
1485 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
1486
1487         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
1488         enormous cost if not TARGET_HARD_MUL.
1489
1490 2004-07-20  Andrew Pinski  <apinski@apple.com>
1491
1492         PR target/16557
1493         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
1494         (ASM_SPEC): here.
1495
1496 2004-07-21  Paul brook  <paul@codesourcery.com>
1497
1498         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
1499
1500 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1501
1502         * fold-const.c (operand_equal_p): Temporarily support NULL args.
1503         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
1504         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
1505
1506 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
1507
1508         * rtl.h (plus_constant): Delete.
1509         (plus_constant_wide): Rename to plus_constant.
1510         (plus_constant_for_output_wide): Delete vestigial prototype.
1511         (GEN_INT): Remove unnecessary cast.
1512         * tree.h (build_int_2, size_int_type): Delete.
1513         (build_int_2_wide): Rename to build_int_2.
1514         (size_int_wide): Rename to size_int_kind.
1515         (size_int_type_wide): Rename to size_int_type.
1516         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
1517         Remove unnecessary cast.
1518         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
1519         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
1520         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
1521         (size_int_type_wide): Rename size_int_type.
1522         (int_const_binop): Use size_int_type.
1523         * c-lex.c (interpret_integer): Use build_int_2.
1524         * final.c (split_double): Remove unnecessary casts.
1525         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
1526
1527 2004-07-20  Richard Henderson  <rth@redhat.com>
1528
1529         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
1530         (gimplify_compound_lval): Use is_gimple_tmp_reg.
1531         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
1532         (is_gimple_tmp_reg): New.
1533         * tree-gimple.h (is_gimple_tmp_reg): Declare.
1534
1535 2004-07-20  Richard Henderson  <rth@redhat.com>
1536
1537         * tree-pretty-print.c (dump_generic_node): Dump
1538         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
1539
1540 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
1541
1542         * tree-mudflap.c (mf_set_options_fndecl): New tree.
1543         (mudflap_init): Set it.
1544         (mudflap_register_call): Remove __mf_init call.
1545         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
1546         to pass "-ignore-reads" option to libmudflap if needed.
1547
1548 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
1549
1550         PR c++/14607
1551         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
1552         (MAKE_DECL_ONE_ONLY): Undefine.
1553         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
1554         readonly_data, one_only_data_section, forget_section): New prototypes.
1555         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
1556         functions.
1557         (pa_select_section): Add one-only (COMDAT) support.
1558         * pa.h (struct machine_function): Define.
1559         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
1560         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
1561         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1562         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1563         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
1564         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
1565         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
1566         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1567         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
1568         for EXTRA_SECTION_FUNCTIONS.
1569         * doc/install.texi: Update binutils requirements.
1570
1571 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1572
1573         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
1574         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
1575         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
1576         size_t.
1577         (struct VEC): Use unsigned for num and alloc.
1578         * vec.c (struct vec_prefix): Likewise.
1579         (vec_o_reserve): Adjust.
1580
1581         * dbxout.c (dbxout_type): Fix printf format.
1582
1583         * tree.h (binfo_member): Remove.
1584         * tree.c (binfo_member): Remove.
1585
1586 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
1587
1588         * tree.h: Include vec.h
1589         (DEF_VEC_P(tree)): New type.
1590         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
1591         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
1592         (BINFO_LANG_SLOT): Remove.
1593         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
1594         (struct tree_binfo): Turn base_binfos into a trailing
1595         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
1596         (binfo_lang_slots): Remove.
1597         * tree.c (binfo_lang_slots): Remove.
1598         (make_tree_binfo_stat): Take a base binfo count, not a
1599         lang slot count.  Adjust.
1600         * Makefile.in (TREE_H): Add vec.h
1601         * alias.c (record_component_aliases): Adjust BINFO access.
1602         * dbxout.c (dbxout_type): Likewise.
1603         * dwarf2out.c (gen_member_die): Likewise.
1604         * sdbout.c (sdbout_one_type): Likewise.
1605         * tree-dump.c (deque_and_dump): Likewise.
1606         * config/i386/i386.c (classify_argument,
1607         contains_128bit_aligned_vector_p): Likewise.
1608         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
1609         * doc/c-tree.texi (Classes): Update BINFO documentation.
1610
1611 2004-07-20  Steven Bosscher  <stevenb@suse.de>
1612
1613         * c-common.h (check_case_value): Remove prototype.
1614         (c_add_case_label): Adjust prototype.
1615         * c-common.c (check_case_value): Make static.
1616         (check_case_bounds): New function.
1617         (c_add_case_label): Use it.  Take new argument orig_type.
1618         * c-typeck.c (struct c_switch): New orig_type field.
1619         (c_start_case): Set it.
1620         (do_case): Pass it to c_add_case_label.
1621         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
1622         cases from here.  Add the labels in reverse order.
1623         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
1624         (add_case_node): Return nothing, don't check for duplicate cases.
1625         Insert new case nodes in a list, not in an AVL tree.
1626         (expand_end_case_type): Don't turn a case tree into a case list.
1627         (case_tree2list): Remove.
1628         * tree.h (add_case_node): Adjust prototype.
1629
1630 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
1631
1632         * genattr.c (struct range, struct function_unit,
1633         write_units, extend_range, init_range): Remove them.
1634         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1635         Output "#define INSN_SCHEDULING" here.
1636         * genattrtab.c (struct range, struct function_unit_op,
1637         struct function_unit, struct dimension, enum operator,
1638         operate_exp, expand_units, simplify_knowing,
1639         encode_units_mask, simplify_by_exploding,
1640         find_and_mark_used_attributes, unmark_used_attributes,
1641         add_values_to_cover, increment_current_value,
1642         test_for_current_value, simplify_with_current_value,
1643         simplify_with_current_value_aux, gen_unit,
1644         write_unit_name, write_function_unit_info,
1645         write_complex_function, write_toplevel_expr,
1646         find_single_value, extend_range): Remove.
1647         (write_attr_get): Do not handle common_av->value
1648         being an FFS.
1649         (struct attr_desc): Remove func_units_p and blockage_p.
1650         (write_attr_valueq): Do not handle them.
1651         (find_attr): Do not clear them.
1652         (make_internal_attr): Do not initialize them.
1653         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
1654         * sched-vis.c (init_target_units, insn_print_units,
1655         init_block_visualization, print_block_visualization,
1656         visualize_scheduled_insns, visualize_no_unit,
1657         visualize_stall_cycles, visualize_alloc,
1658         visualize_free, target_units, get_visual_tbl_length,
1659         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
1660         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
1661         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
1662         * haifa-sched.c (blockage_range, clear_units,
1663         schedule_unit, actual_hazard, potential_hazard,
1664         insn_unit, unit_last_insn, unit_tick,
1665         actual_hazard_this_instance, potential_hazard,
1666         schedule_unit, max_insn_queue_index_value): Remove.
1667         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
1668         max_insn_queue_index.
1669         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
1670         * doc/md.texi (Processor pipeline description): Remove
1671         references to old pipeline descriptions.
1672         (Automaton pipeline description): Merge with the above.
1673         (Old pipeline description, Comparison of the two descriptions):
1674         Remove.
1675
1676         * bt-load.c (migrate_btr_def): Remove references to
1677         use_pipeline_interface.
1678         * haifa-sched.c (insn_cost, schedule_insn,
1679         schedule_block, advance_one_cycle, sched_init,
1680         queue_to_ready, sched_finish): Likewise.
1681         * modulo-sched.c (sms_schedule, advance_one_cycle,
1682         ps_has_conflicts): Likewise.
1683         * sched-rgn.c (init_ready): Likewise.
1684         (debug_dependencies): Likewise, and remove an "if (1)".
1685         * target.h (use_dfa_pipeline_interface): Remove.
1686         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1687         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1688         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1689         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1690         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1691         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1692         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1693         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1694         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1695         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1696         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1697         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1698         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1699         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1700         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1701         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1702         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1703         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1704         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
1705
1706 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1707
1708         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
1709
1710 2004-07-19  Jeff Law  <law@redhat.com>
1711
1712         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
1713         (get_eq_expr_value): Use it.  Simplify slightly.
1714
1715 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
1716
1717         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
1718         (umulsidi3_32bit_r4000): Likewise.
1719
1720 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
1721
1722         * vec.h: Propagate location information properly.
1723         (VEC_T_iterate): Add result pointer parameter.
1724         (VEC_T_space): New.
1725         (VEC_T_reserve): Use it.
1726
1727 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
1728
1729         * Makefile.in (c-format.o): Depend on c-format.h.
1730         * c-format.h: New file.
1731         (struct format_char_info): Add CHAIN member.
1732         * c-format.c: Move some types and constants to c-format.h.
1733         (format_type_error): Set to -1.
1734         (struct function_format_info): Use an int for format_type.
1735         (decode_format_type): Return an int.  Return format_type_error
1736         on error.
1737         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
1738         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
1739         (scan_char_table, time_char_table, monetary_char_table): Initialize
1740         CHAIN to NULL.
1741         (n_format_types): New variable.
1742         (check_format_info_main): Handle CHAIN in format_char_info.
1743         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
1744         TARGET_N_FORMAT_TYPES.
1745         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
1746         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
1747         * config/sol2-c.c: New file.
1748         * config/t-sol2: New file.
1749         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
1750         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
1751         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
1752
1753         * doc/extend.texi (Target Format Checks): New section.
1754         (Function Attributes): Mention it.
1755         * doc/invoke.texi: Mention target format checks.
1756         * doc/sourcebuild.texi: Mention target format checks.
1757         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
1758         TARGET_FORMAT_TYPES.
1759
1760 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1761
1762         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
1763         added.
1764         * config/s390/s390.c (regclass_map initializer): Register 35 added to
1765         ADDR_REGS.
1766         (load_multiple_operation, store_multiple_operation): Removed
1767         pointless sanity check.
1768         (s390_decompose_address): Added check for return_address_pointer_rtx.
1769         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
1770         (s390_return_address_offset): New function.
1771         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
1772         (FRAME_REGNO_P): Added check for register 35.
1773         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
1774         REG_ALLOC_ORDER): Appended entry for register 35.
1775         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
1776         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
1777         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
1778         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
1779         is eliminable using stack pointer or hard frame pointer.
1780         (REGISTER_NAMES): Added name for register 35.
1781         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
1782         pointless sanity check.
1783
1784 2004-07-19  Roger Sayle  <roger@eyesopen.com>
1785
1786         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
1787         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
1788         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
1789         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
1790         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
1791         (fold_relational_const): Tidy up handling of floating point
1792         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
1793         transformation; fold_relational_const assumes constant operands.
1794
1795 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
1796
1797         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
1798         directory.
1799
1800 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
1801
1802         * c-tree.h (struct c_expr): Define.
1803         (C_SET_EXP_ORIGINAL_CODE): Remove.
1804         (parser_build_binary_op, build_compound_expr): Update prototypes.
1805         * c-parse.in (%union): Add exprtype.
1806         (FUNC_NAME): Mark as ttype.
1807         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
1808         exprtype.
1809         (expr): Update.  Define directly in terms of expr_no_commas
1810         instead of using nonnull_exprlist.
1811         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
1812         offsetof_member_designator, typespec_nonreserved_nonattr, init,
1813         initval, designator, component_declarator,
1814         component_notype_declarator, enumerator, array_declarator,
1815         condition, exexpr, switch_statement, stmt_nocomp, stmt,
1816         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
1817         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
1818         where appropriate.
1819         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
1820         * c-common.c (c_common_truthvalue_conversion): Don't check
1821         C_EXP_ORIGINAL_CODE.
1822         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
1823         Don't use C_EXP_ORIGINAL_CODE.
1824         (default_conversion, default_function_array_conversion): Don't use
1825         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
1826         (internal_build_compound_expr): Merge into build_compound_expr.
1827         (build_compound_expr): Take two operands instead of a TREE_LIST.
1828         * objc/objc-act.c (get_super_receiver): Update calls to
1829         build_compound_expr.
1830
1831 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1832
1833         * config/sh/sh.c (sh_use_dfa_interface): Remove.
1834         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
1835         hook_int_void_1.
1836         * config/sh/sh.md: Extract pipeline descriptions
1837         into separate files.
1838         * config/sh/sh1.md: New file, extracted from sh.md.
1839         * config/sh/sh4.md: New file, extracted from sh.md.
1840         * config/sh/shmedia.md: New file, extracted from sh.md
1841         and rewritten using new-style pipeline description.
1842
1843 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
1844
1845         * config/pa/pa.md: Delete the two remaining define_peephole
1846         patterns.
1847
1848 2004-07-18  Steven Bosscher  <stevenb@suse.de>
1849             Joseph S. Myers  <jsm@polyomino.org.uk>
1850
1851         * c-common.c (c_common_truthvalue_conversion): Don't warn if
1852         TREE_NO_WARNING is set.
1853
1854 2004-07-18  Roger Sayle  <roger@eyesopen.com>
1855
1856         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
1857         simplify_builtin_strncmp): Delete.
1858         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
1859         Change argument to accept an arglist instead of an "exp".  Assume
1860         that the return type is always integer_type_node.  Copy missing
1861         transformations from their now obsolete simplify_builtin_*
1862         equivalents.
1863         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
1864         fold_builtin_strcmp and fold_builtin_strncmp.
1865         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
1866         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
1867         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
1868
1869 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
1870
1871         * Makefile.in (tree-alias-common.o): Update dependencies.
1872
1873 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
1874
1875         * cfgloop.c (flow_loop_nested_p): Fix comment.
1876
1877 2004-07-17  Jason Merrill  <jason@redhat.com>
1878
1879         PR c++/16115
1880         * stor-layout.c (relayout_decl): New fn.
1881         * tree.h: Declare it.
1882         (DECL_BY_REFERENCE): New macro.
1883
1884 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
1885
1886         * libgcc2.c (__enable_execute_stack): New symbol.
1887         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
1888         and declare __enable_execute_stack.
1889         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
1890         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
1891         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1892         ENABLE_EXECUTE_STACK.
1893         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
1894         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1895         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1896         ENABLE_EXECUTE_STACK.
1897         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1898         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
1899         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1900         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
1901         ENABLE_EXECUTE_STACK.
1902         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1903         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1904         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1905         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
1906         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
1907         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
1908         (sparc64_initialize_trampoline): Likewise.
1909         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
1910
1911 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1912
1913         * langhooks.h (builtin_function): New langhook.
1914         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
1915         (LANG_HOOKS_INITIALIZER): Update.
1916         * tree.h (builtin_function): Remove.
1917         * doc/tm.texi: Update.
1918         * c-tree.h (builtin_function): Declare.
1919         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
1920         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
1921         config/ia64/ia64.c, config/iq2000/iq2000.c,
1922         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
1923         config/stormy16/stormy16.c: All callers of builtin_function
1924         changed.
1925
1926 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
1927
1928         PR target/16556
1929         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
1930         Remove white space after the backslash.
1931
1932 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1933
1934         PR rtl-optimization/16294
1935         * resource.c (return_insn_p): New predicate.
1936         (mark_target_live_regs): Use it.  Special-case return insns.
1937         (init_resource_info): Use it.  Don't scan the epilogue past
1938         a return.
1939
1940 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1941
1942         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
1943         destroy dominance information.
1944         * passes.c (rest_of_handle_loop2):  Free dominance information.
1945         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
1946         jump threading.
1947         (thread_jumps): Update dominance information and remove unreachable
1948         blocks.
1949         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
1950         information and remove the unreachable block.
1951
1952 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
1953
1954         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
1955
1956 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
1957
1958         * doc/sourcebuild.texi: Remove libf2c entry.
1959
1960 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
1961
1962         * config/i386/i386.md (movv16qi_internal): Fix typo.
1963
1964 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1965
1966         * final.c (final_scan_insn): Fix broken commit from previous
1967         patch.
1968
1969 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1970
1971         * c-typeck.c (parser_build_binary_op): Condition warnings for
1972         X<=Y<=Z on -Wparentheses instead of -Wextra.
1973         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
1974         supported for C only.
1975
1976 2004-07-17  Steven Bosscher  <stevenb@suse.de>
1977
1978         * cfgcleanup.c (try_simplify_condjump): Don't remove line
1979         notes to avoid unreachable code warnings.
1980         * toplev.c (backend_init): Don't emit line notes for
1981         unreachable code warnings.
1982
1983         * combine.c (distribute_notes): Don't distribute a
1984         REG_VTABLE_REF note.
1985         * final.c (final_scan_insn): Don't handle it.
1986         * rtl.c (reg_note_name): Remove it.
1987         * rtl.h (enum reg_node): Dito.
1988
1989         * emit-rtl.c (force_line_numbers, restore_line_number_status):
1990         Remove.
1991         * rtl.h (force_line_numbers, restore_line_number_status):
1992         Remove prototypes.
1993
1994         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
1995         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
1996         (using_eh_for_cleanups): Also moved here.
1997
1998         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
1999         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
2000         to expand_start_case and add_case_node.
2001         * stmt.c (struct nesting): Cleanup unused fields condition_code,
2002         last_unconditional_cleanup, nominal_type, printname, and
2003         line_number_status.
2004         (struct fixup_goto): Remove.
2005         (struct stmt_status): Remove x_goto_fixup_chain field.
2006         (goto_fixup_chain): Remove.
2007         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
2008         pushcase, pushcase_range): Remove.
2009         (expand_start_bindings_and_block): Don't set unused fields in
2010         the nesting stack.
2011         (expand_start_case, add_case_node): Cleanup unused formal arguments.
2012         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
2013         instead of emit_jump_if_reachable.
2014         (emit_case_nodes): Likewise.
2015         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
2016         static.
2017         (update_eh_label): Work around left-over exception handing regions.
2018         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
2019         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
2020         (pass_cleanup_cfg_post_optimizing): New pass.
2021         (init_tree_optimization_passes): Run the new pass after all
2022         optimizations.
2023         * tree.h (pushcase, pushcase_range): Remove prototypes.
2024         (expand_start_case, add_case_node): Update prototypes.
2025
2026 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
2027
2028         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
2029
2030 2004-07-16  Richard Henderson  <rth@redhat.com>
2031
2032         * builtins.c (std_expand_builtin_va_arg): Remove.
2033         (expand_builtin_va_arg): Remove.
2034         * expr.h: Don't declare them.
2035         * gimplify.c (mark_decls_volatile_r): Remove.
2036         (copy_if_shared_r): Don't call it.
2037         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
2038         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
2039         * gimple-low.c (lower_stmt): Likewise.
2040         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
2041         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
2042         * tree-ssa-operands.c (get_expr_operands): Likewise.
2043         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
2044         EXPAND_BUILTIN_VA_ARG.
2045         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
2046         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
2047         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
2048         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2049
2050 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2051
2052         * tree-ssa-pre.c (insert_aux): Break out if we hit
2053         a critical edge.
2054
2055 2004-07-16  Richard Henderson  <rth@redhat.com>
2056
2057         * basic-block.h (remove_fake_exit_edges): Declare.
2058         * cfganal.c (remove_fake_predecessors): Rename from
2059         remove_fake_successors; iterate over predecessors.
2060         (remove_fake_exit_edges): New.
2061         * cfgcleanup.c (try_optimize_cfg): Use it.
2062         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
2063         * predict.c (estimate_probability): Likewise.
2064         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
2065         * tree-cfg.c (make_edges): Likewise.
2066         * tree-ssa-pre.c (fini_pre): Likewise.
2067         * profile.c (instrument_edges): Don't remove_fake_edges.
2068         (branch_prob): Do it earlier here.
2069
2070 2004-07-16  Richard Henderson  <rth@redhat.com>
2071
2072         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
2073         switchification wrt CONSTRUCTOR.  Document the reason.
2074
2075 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
2076
2077         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
2078         that prevented descriptive __mf_check source location strings.
2079
2080 2004-07-16  Richard Henderson  <rth@redhat.com>
2081
2082         * tree-def (WITH_SIZE_EXPR): New.
2083         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
2084         * expr.c (expand_expr_real_1): Likewise.
2085         * gimplify.c (maybe_with_size_expr): New.
2086         (gimplify_arg, gimplify_modify_expr): Use it.
2087         (gimplify_modify_expr_to_memcpy): Take size parameter.
2088         (gimplify_modify_expr_to_memset): Likewise.
2089         (gimplify_expr): Handle WITH_SIZE_EXPR.
2090         * tree-alias-common.c (find_func_aliases): Likewise.
2091         * tree-eh.c (tree_could_trap_p): Likewise.
2092         (tree_could_throw_p): Likewise.
2093         * tree-gimple.c (is_gimple_lvalue): Likewise.
2094         (get_call_expr_in): Likewise.
2095         * tree-inline.c (estimate_num_insns_1): Likewise.
2096         (expand_calls_inline): Likewise.
2097         * tree-nested.c (convert_call_expr): Likewise.
2098         * tree-pretty-print.c (dump_generic_node): Likewise.
2099         * tree-sra.c (sra_walk_expr): Likewise.
2100         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2101         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
2102         * tree-ssa-operands.c (get_expr_operands): Likewise.
2103         * tree-tailcall.c (find_tail_calls): Likewise.
2104
2105         * calls.c (expand_call): Reset old_stack_allocated after
2106         calling emit_stack_restore.
2107
2108 2004-07-16  Richard Henderson  <rth@redhat.com>
2109
2110         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
2111         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2112         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
2113         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
2114         copy_res_decl_for_inlining.
2115
2116         * tree-inline.c (declare_return_variable): New modify_dest argument.
2117         Use it as the return value, when possible or manditory.  Handle
2118         TREE_ADDRESSABLE types.
2119         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
2120         replacement of CALL_EXPR.
2121
2122 2004-07-16  Richard Henderson  <rth@redhat.com>
2123
2124         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
2125         * gimple-low.c (expand_var_p): Don't check it.
2126         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
2127         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
2128         * tree-ssa-operands.c (add_stmt_operand): Likewise.
2129         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
2130         (find_referenced_vars): Don't call them.
2131         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
2132
2133 2004-07-16  Richard Henderson  <rth@redhat.com>
2134
2135         * function.c (pass_by_reference): True for all variable sized types.
2136
2137 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
2138
2139         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
2140         * tree-pretty-print.c: Include tree-chrec.h.
2141         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
2142         and POLYNOMIAL_CHREC nodes.
2143
2144 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
2145
2146         * builtins.c (expand_builtin_stpcpy): Do not create temporary
2147         reg with VOIDmode.
2148
2149 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2150
2151         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
2152
2153 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
2154
2155         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
2156         to BASE_REGNUM.
2157         * config/s390/s390.c: Likewise.
2158         * config/s390/s390.h: Likewise.
2159
2160 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2161
2162         * config/mips/mips.md (addsi3, adddi3): Remove special handling
2163         of $sp adds.  Remove REGNO checks from mips16 patterns.
2164
2165 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2166
2167         * config/mips/mips.md: Delete outdated comment.
2168
2169 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2170
2171         * config/mips/mips.c (get_float_compare_codes): Delete.
2172         (mips_emit_compare): New function, mostly extracted from
2173         get_float_compare_codes and gen_conditional_branch.
2174         (gen_conditional_branch, gen_conditional_move): Use it.
2175
2176 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
2177
2178         * genautomata.c (add_vect): Speedup by using integers as
2179         bit-vectors for walking through the comb_vect and finding
2180         a match.
2181
2182 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2183
2184         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
2185         operand is an uns_arith_operand; use subtraction otherwise.
2186         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
2187         not just arith_operands.
2188
2189 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2190
2191         * config/mips/mips-protos.h (gen_int_relational): Delete.
2192         (mips_emit_scc): Declare.
2193         * config/mips/mips.c (internal_test): Delete.
2194         (sle_operand, sleu_operand): New functions.
2195         (map_test_to_internal_test, gen_int_relational): Delete.
2196         (mips_emit_binary, mips_relational_operand_ok_p)
2197         (mips_emit_int_relational, mips_zero_if_equal)
2198         (mips_emit_scc): New functions.
2199         (gen_conditional_branch): Rework to use mips_emit_int_relational.
2200         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
2201         sleu_operand.
2202         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
2203         (sltu, sleu): Use mips_emit_scc.
2204         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
2205         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
2206         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
2207
2208 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2209
2210         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
2211
2212 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2213
2214         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
2215         (*sne_[sd]i): Likewise sne_[sd]i_zero.
2216         (*sgt_[sd]i): ...and sgt_[sd]i.
2217         (*slt_[sd]i): ...and slt_[sd]i.
2218         (*sgtu_[sd]i): ...and sgtu_[sd]i.
2219         (*sltu_[sd]i): ...and sltu_[sd]i.
2220         (*sleu_[sd]i): ...and sleu_[sd]i_const.
2221         Name previously unnamed mips16 patterns.  Formatting fixes.
2222
2223 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2224
2225         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
2226         (branch_type): Delete.
2227         (gen_conditional_branch, gen_conditional_move)
2228         (mips_gen_conditional_trap): Update after name change.  Get the
2229         comparison mode from cmp_operands[0].
2230         * config/mips/mips.h (cmp_type, branch_type): Delete.
2231         (cmp_operands): Renamed from branch_cmp.
2232         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
2233         name change.  Don't set branch_type.
2234         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
2235         mode class of cmp_operands[0] rather than branch_type.  Update after
2236         name change.
2237
2238 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2239
2240         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
2241         of 0...255 to 0 when inside a SET.
2242
2243 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
2244
2245         * config/mips/mips.md: Remove mips16 define_peepholes.
2246
2247 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
2248
2249         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
2250         (fini_pre): Remove fake edges.
2251
2252 2004-07-15  Richard Henderson  <rth@redhat.com>
2253
2254         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
2255         (get_indirect_ref_operands, get_call_expr_operands): ... these.
2256
2257 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2258
2259         * vec.h (VEC_address): New function.
2260
2261 2004-07-14  Jason Merrill  <jason@redhat.com>
2262
2263         PR middle-end/15885
2264         * gimplify.c (gimplify_arg): New fn, split out from...
2265         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
2266
2267 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2268
2269         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
2270         generate code which is generated by pushqi1 now
2271         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
2272
2273 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
2274
2275         * combine.c (simplify_set): match the mode of the constant 0 with
2276         the tested operand to match the compare behaviour and the
2277         simplify_relational_operation() expectation.
2278
2279 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2280
2281         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
2282         ("bordered"): Same.
2283
2284 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
2285
2286         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
2287         unconditionally.
2288         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
2289
2290 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2291
2292         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
2293         calls in mips16 code.
2294
2295 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
2296
2297         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
2298         the destination of the li as well as for the neg.
2299
2300 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
2301
2302         g++/15861
2303         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
2304         * cgraph.h: Update declaration.
2305         * c-decl.c (build_cdtor): Update call with default priority.
2306         * coverage.c (create_coverage): Ditto.
2307         * tree-mudflap.c (mf_init_fndecl): New tree.
2308         (mudflap_init): Set it.
2309         (mudflap_register_call): Arrange to call __mf_init before the first
2310         __mf_register call.
2311         (mudflap_finish_file): Mark the mudflap static initializer as extra
2312         high priority, to beat all C++ static constructors.
2313
2314 2004-07-15  Jeff Law  <law@redhat.com>
2315
2316         * loop.c (check_insn_for_givs): Restore check for code labels that was
2317         accidentally deleted by a recent checkin.
2318
2319 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
2320
2321         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
2322         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
2323
2324 2004-07-14  Richard Henderson  <rth@redhat.com>
2325
2326         * print-tree.c (print_node): Fix casts last change.
2327
2328 2004-07-15  Paul Brook  <paul@codesourcery.com>
2329
2330         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
2331         to TARGET_UNWIND_INFO.
2332         * except.c (output_function_exception_table): Ditto.
2333         * except.h: Ditto.
2334         * opts.c (decode_options): Ditto.
2335         * passes.c (rest_of_handle_final): Ditto.
2336         * final.c (final_start_function): Ditto.
2337         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
2338         target hook.
2339         * targhooks.h (default_unwind_emit): Declare.
2340         * targhooks.c (default_unwind_emit): New function.
2341         * target-def.h: Define and use TARGET_UNWIND_EMIT.
2342         * target.h (struct gcc_target): Add unwind_emit.
2343         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
2344         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
2345         Remove IA64_UNWIND_EMIT.
2346         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
2347
2348 2004-07-14  Richard Henderson  <rth@redhat.com>
2349
2350         * print-tree.c (print_node): Handle SSA_NAME.
2351
2352 2004-07-14  James E Wilson  <wilson@specifixinc.com>
2353
2354         PR target/16325
2355         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
2356         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
2357
2358 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
2359
2360         * expr.c (expand_assignment): Reenable bitfield += optimizations.
2361         Use alias set 0 for memory, do proper mode calculations and adjust
2362         address for memories.
2363
2364 2004-07-14  Per Bothner  <per@bothner.com>
2365
2366         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
2367         structure with extra column field.
2368         * tree.c (expand_location):  Also fill in column field.
2369         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
2370         gets confused by the two conditionally-compiled definitions.
2371
2372 2004-07-14  Eric Christopher  <echristo@redhat.com>
2373
2374         * calls.c (expand_call): Fix typo in comment.
2375
2376 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
2377
2378         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
2379         comparision of TFmode.
2380
2381 2004-07-14  Richard Henderson  <rth@redhat.com>
2382
2383         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
2384         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
2385         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
2386         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
2387         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
2388         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2389         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2390         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
2391         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
2392
2393 2004-07-14  Mike Stump  <mrs@apple.com>
2394
2395         * config/darwin.h (WINT_TYPE): Define to be int to match
2396         system header files.
2397
2398 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
2399
2400         * config/xtensa/xtensa.c (function_arg_advance): Check for args
2401         that must be passed in the stack.
2402         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
2403         arguments if the size is not a constant.
2404
2405 2004-07-14  Per Bothner  <per@bothner.com>
2406
2407         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
2408         instead of EXPR_LOCUS in a boolean context, which is always true
2409         if --enable-mapped-location.
2410         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
2411
2412 2004-07-14  Richard Henderson  <rth@redhat.com>
2413
2414         * dominance.c (struct dom_info): Add fake_exit_edge.
2415         (init_dom_info): Allocate it.
2416         (free_dom_info): Free it.
2417         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
2418         in two passes.
2419         (calc_idoms): Honor fake_exit_edge.
2420
2421 2004-07-13  Jason Merrill  <jason@redhat.com>
2422
2423         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
2424         (rhs_test_for): New fn.
2425         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
2426         * tree-gimple.h: Declare them.
2427         * gimplify.c (gimplify_modify_expr): Use the new fns.
2428
2429 2004-07-14  Richard Henderson  <rth@redhat.com>
2430
2431         * config/arm/arm-protos.h (arm_va_arg): Remove.
2432         * config/arm/arm.c (arm_va_arg): Remove.
2433         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
2434         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
2435
2436 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2437
2438         * pa.c (fix_range): New function to mark a range(s) of registers as
2439         fixed registers.
2440         (override_options): Call fix_range if the -mfixed-range option string
2441         is not empty.
2442         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
2443         * doc/invoke.texi (-mfixed-range): Document new option.
2444
2445 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
2446
2447         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
2448         for TARGET_64BIT.
2449         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
2450
2451 2004-07-14  Roger Sayle  <roger@eyesopen.com>
2452
2453         * expmed.c (expand_sdiv_pow2): New function to expand signed division
2454         by a positive power of two, split out from expand_divmod.  Provide
2455         an alternate implementation when shifts are expensive.  Lower the
2456         threshold for using a branchless implementation to BRANCH_COST >= 2.
2457         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
2458
2459 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2460
2461         * tree-dfa.c (make_rename_temp): *Really* work just
2462         like create_tmp_var if called while outside SSA form.
2463
2464 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
2465
2466         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
2467         for division by zero.
2468         ("umodsi3"): Likewise.
2469
2470 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2471
2472         * config/mips/mips.c (mips_output_move): When generating mips16 code,
2473         force loads of negative constants to be split.
2474         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
2475         Generalize SImode li/neg splitter to cope with other modes.
2476
2477 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2478
2479         * expmed.c: Remove more references to QUEUED in the comments.
2480         * expr.c: Likewise.
2481
2482 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
2483
2484         Revert:
2485         2004-07-13  Richard Henderson  <rth@redhat.com>
2486         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
2487         correctly.
2488
2489 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2490
2491         * tree-dfa.c (make_rename_temp): Work just like
2492         create_tmp_var if called while outside SSA form.
2493
2494 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
2495
2496         * expr.c (enqueue_insn, finish_expr_for_function,
2497         protect_from_queue, queued_subexp_p, mark_queue,
2498         emit_insns_enqueued_after_mark, emit_queue,
2499         expand_increment): Remove.
2500         (store_constructor): Expand increment as an assignment.
2501         (expand_expr_real_1 <case PREINCREMENT_EXPR,
2502         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
2503         case POSTDECREMENT_EXPR>): Abort.
2504         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
2505         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
2506         protect_from_queue, emit_queue, queued_subexp_p): Remove.
2507         * function.h (pending_chain, x_pending_chain): Remove.
2508         * rtl.def (QUEUED): Remove.
2509
2510         * emit-rtl.c (copy_insn_1, copy_most_rtx,
2511         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
2512         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
2513         encode_units_mask): Likewise.
2514         * local-alloc.c (equiv_init_varies_p): Likewise.
2515         * rtl.c (copy_rtx): Likewise.
2516         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
2517         * simplify-rtx.c (simplify_gen_subreg): Likewise.
2518         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
2519
2520         * builtins.c (expand_builtin, expand_builtin_apply,
2521         expand_builtin_mathfn, expand_builtin_mathfn_2,
2522         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
2523         Remove calls to emit_queue and protect_from_queue.
2524         * calls.c (expand_call, precompute_arguments,
2525         precompute_register_parameters, rtx_for_function_call,
2526         store_one_arg): Likewise.
2527         * dojump.c (do_compare_and_jump, do_jump): Likewise.
2528         * explow.c (memory_address): Likewise.
2529         * expmed.c (clear_by_pieces_1, clear_storage,
2530         clear_storage_via_libcall, emit_group_load,
2531         emit_group_store, emit_store_flag,
2532         expand_expr_real_1, store_by_pieces,
2533         store_constructor, store_expr, try_casesi,
2534         try_tablejump): Likewise.
2535         * function.c (expand_pending_sizes): Likewise.
2536         * optabs.c (emit_cmp_and_jump_insns,
2537         emit_conditional_add, emit_conditional_move,
2538         expand_fix, expand_float, prepare_cmp_insn): Likewise.
2539         * stmt.c (emit_case_bit_tests,
2540         expand_asm_expr, expand_computed_goto,
2541         expand_decl_init, expand_end_case_type,
2542         expand_end_stmt_expr, expand_expr_stmt_value,
2543         expand_return, expand_start_case,
2544         optimize_tail_recursion): Likewise.
2545         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2546         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
2547
2548 2004-07-14  Ben Elliston  <bje@au.ibm.com>
2549
2550         * vec.h: Comment fix.
2551
2552 2004-07-13  Richard Henderson  <rth@redhat.com>
2553
2554         * target.h (struct gcc_target): Add calls.pass_by_reference.
2555         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
2556         * function.c (pass_by_reference): Use the hook.
2557         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
2558         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
2559         (hook_pass_by_reference_must_pass_in_stack): New.
2560         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
2561         (alpha_pass_by_reference): New.
2562         (TARGET_PASS_BY_REFERENCE): New.
2563         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2564         * config/arc/arc.c (arc_pass_by_reference): New.
2565         (TARGET_PASS_BY_REFERENCE): New.
2566         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2567         (FUNCTION_ARG_CALLEE_COPIES): True.
2568         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
2569         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
2570         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
2571         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2572         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2573         * config/cris/cris.c (cris_pass_by_reference): New.
2574         (TARGET_PASS_BY_REFERENCE): New.
2575         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
2576         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
2577         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2578         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
2579         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2580         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
2581         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
2582         (frv_function_arg_pass_by_reference): Remove.
2583         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2584         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
2585         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
2586         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
2587         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2588         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
2589         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
2590         (ia64_pass_by_reference): Rename from
2591         ia64_function_arg_pass_by_reference.
2592         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2593         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2594         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
2595         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
2596         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
2597         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2598         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2599         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
2600         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
2601         (m32r_pass_by_reference): Adjust prototype.  Make static.
2602         Handle mode sizes correctly.
2603         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2604         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
2605         (m68hc11_function_arg_pass_by_reference): Remove.
2606         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2607         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2608         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
2609         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2610         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
2611         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
2612         (mips_va_arg): Use pass_by_reference.
2613         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
2614         Handle mode sizes correctly.
2615         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2616         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
2617         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
2618         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
2619         (mmix_pass_by_reference): Rename from
2620         mmix_function_arg_pass_by_reference.
2621         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2622         (FUNCTION_ARG_CALLEE_COPIES): True.
2623         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
2624         (mn10300_pass_by_reference): New.
2625         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2626         (FUNCTION_ARG_CALLEE_COPIES): True.
2627         * config/pa/pa.c (pa_pass_by_reference): New.
2628         (TARGET_PASS_BY_REFERENCE): New.
2629         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2630         (FUNCTION_ARG_CALLEE_COPIES): True.
2631         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
2632         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
2633         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
2634         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2635         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
2636         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
2637         (s390_pass_by_reference): Rename from
2638         s390_function_arg_pass_by_reference.
2639         (s390_function_arg_advance): Don't query pass-by-ref.
2640         (s390_function_arg): Likewise.
2641         (s390_gimplify_va_arg): Use pass_by_reference.
2642         (s390_call_saved_register_used): Likewise.
2643         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2644         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
2645         (shcompact_byref, sh_pass_by_reference): New.
2646         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2647         (SHCOMPACT_BYREF): Remove.
2648         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
2649         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
2650         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
2651         (sparc_gimplify_va_arg): Use pass_by_reference.
2652         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2653         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2654         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
2655         (v850_pass_by_reference): New.
2656         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2657         (FUNCTION_ARG_CALLEE_COPIES): True.
2658         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
2659         FUNCTION_ARG_PASS_BY_REFERENCE docs.
2660
2661 2004-07-14  Richard Henderson  <rth@redhat.com>
2662             Richard Sandiford  <rsandifo@redhat.com>
2663
2664         * config/mips/mips-protos.h (mips_va_arg): Delete.
2665         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
2666         * config/mips/mips.c: Include tree-gimple.h.
2667         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
2668         (mips_arg_info): Remove special handling of must_pass_in_stck args.
2669         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
2670         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
2671
2672 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
2673
2674         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
2675         arguments for COND_EXPR in big-endian adjustment code.
2676
2677 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2678
2679         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
2680         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
2681         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
2682         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
2683
2684 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2685
2686         PR tree-optimization/16443
2687         * tree-ssa-alias.c: Add more description for
2688         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
2689         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
2690         clobbering of call-clobbered and addressable variables.  If
2691         there are any before aliases have been computed, add them.
2692
2693 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
2694
2695         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
2696         verification.
2697
2698 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
2699
2700         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
2701         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
2702         to the same type.
2703
2704 2004-07-13  Per Bothner  <per@bothner.com>
2705
2706         * collect2.c (main):  Handle --no-demangle and --demangle flags.
2707
2708 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
2709
2710         * Makefile.in (OBJS-common): Add tree-data-ref.o.
2711         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
2712         (tree-data-ref.o): New rule.
2713         * lambda.h: New file.
2714         * tree-data-ref.c: New file.
2715         * tree-data-ref.h: New file.
2716         * tree.c (int_cst_value, tree_fold_gcd): New functions.
2717         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
2718
2719 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2720
2721         PR target/13926
2722         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
2723         * config/sparc/sparc.c (output_ubranch): New function.
2724         * config/sparc/sparc.md (jump pattern): Use it.
2725
2726 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2727
2728         PR target/16494
2729         * config/sparc/sparc.c (output_cbranch): Properly guard
2730         the code handling far branches with TARGET_V9.
2731         * config/sparc/sparc.md (length attribute): Document the
2732         side-effect of having a length greater or equal to 3.
2733
2734 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2735             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
2736
2737         PR target/15186
2738         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
2739         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
2740
2741 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2742             Martin Sebor  <sebor@roguewave.com>
2743
2744         PR target/12602
2745         * doc/invoke.texi (SPARC options): Document -threads
2746         and -pthreads on Solaris.
2747
2748 2004-07-13  Richard Henderson  <rth@redhat.com>
2749
2750         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
2751         by reference.
2752         (ind_gimplify_va_arg_expr): Remove.
2753         * tree.h (ind_gimplify_va_arg_expr): Remove.
2754         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
2755         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
2756         argsp to be null.
2757
2758         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
2759         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
2760         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
2761         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
2762         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2763
2764 2004-07-13  Richard Henderson  <rth@redhat.com>
2765
2766         * function.c (pass_by_reference): New.
2767         (assign_parm_find_data_types): Use it.
2768         * calls.c (initialize_argument_information): Likewise.
2769         (emit_library_call_value_1): Likewise.
2770         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
2771         * function.h (pass_by_reference): Declare.
2772
2773 2004-07-13  Richard Henderson  <rth@redhat.com>
2774
2775         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
2776         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
2777         * expr.h (MUST_PASS_IN_STACK): Remove.
2778         * system.h (MUST_PASS_IN_STACK): Poison.
2779         * tree.h (must_pass_in_stack_var_size): Declare.
2780         (must_pass_in_stack_var_size_or_pad): Declare.
2781         * calls.c (must_pass_in_stack_var_size): New.
2782         (must_pass_in_stack_var_size_or_pad): Rename from
2783         default_must_pass_in_stack.
2784         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
2785         (TARGET_MUST_PASS_IN_STACK): New.
2786         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
2787         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
2788         (TARGET_MUST_PASS_IN_STACK): New.
2789         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
2790         * config/frv/frv.c (frv_must_pass_in_stack): New.
2791         (TARGET_MUST_PASS_IN_STACK): New.
2792         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
2793         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
2794         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
2795         (ix86_must_pass_in_stack): Make static.
2796         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
2797         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
2798         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
2799         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
2800         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
2801         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
2802         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
2803         (mcore_must_pass_on_stack): Remove.
2804         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
2805         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
2806         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
2807         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
2808         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
2809         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
2810         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
2811         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
2812         (TARGET_MUST_PASS_IN_STACK): New.
2813         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
2814         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
2815         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
2816         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
2817         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
2818         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
2819         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
2820         MUST_PASS_IN_STACK.
2821
2822         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
2823         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
2824         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
2825         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
2826         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
2827         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
2828         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
2829         config/xtensa/xtensa.c: Use target hook.
2830
2831 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
2832
2833         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
2834         * configure: Rebuilt.
2835
2836 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2837
2838         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
2839         * config/mips/mips.h (mips_reg_names): Don't declare.
2840         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
2841         (TARGET_NAME_REGS): Delete.
2842         (TARGET_SWITCHES): Remove -mrnames.
2843         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
2844         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
2845         in REGISTER_NAMES.
2846         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
2847         (override_options): Remove handling of TARGET_NAME_REGS.
2848
2849 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
2850
2851         * config/mips/mips.h (TARGET_*): Boolify.
2852
2853 2004-07-12  Nick Clifton  <nickc@redhat.com>
2854
2855         * config.gcc: Add sh-*-symbianelf target.
2856         * config/sh/sh.c: Add new target macros:
2857         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
2858         TARGET_CXX_IMPORT_EXPORT_CLASS.
2859         (sh_file_start): Create a definition of the .directive section.
2860         (sh_attribute): Add dllimport and dllexport attributes.
2861         * config/sh/symbian-pre.h: New file.
2862         * config/sh/symbian-post.h: New file.
2863         * config/sh/symbian.c: New file. Contains Symbian specific
2864         functions.
2865         * config/sh/sh-protos.h: Add prototypes for new functions
2866         provided by symbian.c.
2867         * config/sh/t-symbian: New file.
2868         * doc/extend.texi: Document support for dllimport and dllexport
2869         attributes by the sh-symbianelf target.
2870
2871 2004-07-12  James E Wilson  <wilson@specifixinc.com>
2872
2873         * Makefile.in (AR): Use @AR@ not ar.
2874         (NM): New.
2875         (AR_FOR_TARGET): Use $(AR) not ar for native.
2876         (NM_FOR_TARGET): Use $(NM) not nm for native.
2877         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
2878         * configure: Regenerate.
2879
2880 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
2881
2882         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
2883         special case.
2884         (ashldi3_sp64): Likewise.
2885
2886 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2887
2888         PR target/16477
2889         * pa.c (function_arg): Update comment.
2890         * pa.h (BLOCK_REG_PADDING): Define.
2891
2892 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2893
2894         PR tree-optimization/16461
2895         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
2896         arguments of phi nodes.
2897
2898 2004-07-12  Devang Patel  <dpatel@apple.com>
2899
2900         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
2901
2902 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
2903
2904         * function.c (expand_function_start): Ensure r_save is in Pmode.
2905         * calls.c (prepare_call_address): Ensure static_chain_value is
2906         in Pmode.
2907         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
2908         r_save_area are in Pmode.
2909         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
2910         fnaddr, and static_chain are in Pmode.
2911
2912 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
2913
2914         PR target/16445
2915         * config/ia64/ia64.c (bundling): Don't count ignored insns.
2916
2917 2004-07-12  Richard Henderson  <rth@redhat.com>
2918
2919         * target.h (struct gcc_target): Move gimplify_va_arg_expr
2920         next to build_builtin_va_list.
2921         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
2922         * builtins.c (gimplify_va_arg_expr): Likewise.
2923         * gimplify.c (copy_if_shared_r): Likewise.
2924
2925 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
2926
2927         * passes.c (rest_of_decl_compilation): Don't defer call of
2928         assemble_variable if its DECL_RTL is already set.
2929
2930 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
2931
2932         * cfgloop.h (struct loop): Add nb_iterations field.
2933         (current_loops): Declare.
2934         * tree-chrec.c (chrec_not_analyzed_yet,
2935         chrec_dont_know, chrec_known, count_ev_in_wider_type,
2936         chrec_contains_symbols_defined_in_loop): Remove the temporary
2937         hooks.
2938         * tree-flow-inline.h (loop_containing_stmt): New function.
2939         * tree-scalar-evolution.c: Add implementation.
2940         * tree-scalar-evolution.h: Add declarations.
2941
2942 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
2943
2944         PR rtl-optimization/15921
2945         * Makefile.in (global.o): Add recog.h.
2946
2947         * global.c (recog.h): Add the include-clause.
2948         (bb_info): New member earlyclobber.
2949         (allocate_bb_info, free_bb_info): Initialize/finish the new
2950         member.
2951         (earlyclobber_regclass, earlyclobber_regclass_length): The new
2952         global variables.
2953         (check_earlyclobber, regclass_intersect,
2954         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
2955         New functions.
2956         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
2957         (make_accurate_live_analysis): Modify pavin.
2958
2959 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
2960
2961         * tree-cfg.c (find_taken_edge): Statically compute the truth
2962         value of a predicate comparing an SSA_NAME to itself.
2963
2964 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2965
2966         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
2967         rs6000 doesn't have shift-and-add or shift-and-sub instructions
2968         by returning the cost of a multiplication plus an addition.
2969
2970 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
2971
2972         PR tree-optimization/14107
2973         * gimplify.c (gimplify_return_expr): Accept a
2974         RETURN_EXPR with an error argument.
2975         * tree-optimize.c (init_tree_optimization_passes):
2976         Run pass_warn_function_return at -O0.
2977
2978 2004-07-12  Roger Sayle  <roger@eyesopen.com>
2979
2980         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
2981         index entry.
2982
2983 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
2984
2985         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
2986         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2987         * config/mips/3000.md: Add copyright notice.  Remove automota and
2988         function units; use generic ones instead.  Only define reservations
2989         for things that are different from generic.md.  Extend each clause
2990         to include r3900.
2991         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
2992         * config/mips/mips.md: Include them. Remove define_function_units.
2993         (alu, imuldiv): New automata and units.
2994
2995 2004-07-12  Ben Elliston  <bje@au.ibm.com>
2996
2997         * doc/invoke.texi (Optimize Options): Document -frename-registers
2998         not being enabled by default at -O3.
2999
3000 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3001
3002         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
3003         floating point additions, to keep real immediate constant positive.
3004         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
3005         into X + C, and leave positive real constants as X - C.
3006
3007 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3008
3009         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
3010
3011 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3012
3013         PR tree-optimization/15654
3014         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
3015
3016 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3017
3018         * builtins.c (fold_builtin_fputs): Don't bother converting the
3019         return type to integer_type_node, as we've already checked that
3020         the result will be ignored.
3021
3022         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
3023         that signed addition, subtraction, multiplication, division,
3024         remainder, negation and absolute value may potentially trap.
3025
3026         * fold-const.c (fold_ignored_result): New function to strip
3027         non-side-effecting tree nodes from an expression whose result
3028         is ignored.
3029         (fold_convert): Call fold_ignored_result when casting a value
3030         to VOID_TYPE.
3031         (omit_one_operand):  Call fold_ignored_result on the "omitted"
3032         operand when building a COMPOUND_EXPR.
3033         (pedantic_omit_one_operand): Likewise.
3034         * tree.h (fold_ignored_result): Prototype here.
3035         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
3036         when we're going to ignore the result.
3037
3038 2004-07-11  Richard Henderson  <rth@redhat.com>
3039
3040         PR tree-opt/16383
3041         * tree-ssa-ccp.c (fold_stmt_r): Split out...
3042         * tree.c (fields_compatible_p, find_compatible_field): ... new.
3043         * tree.h (fields_compatible_p, find_compatible_field): Declare.
3044         * tree-sra.c (sra_hash_tree): Hash fields by offset.
3045         (sra_elt_eq): Use fields_compatible_p.
3046         (generate_one_element_ref): Use find_compatible_field.
3047
3048 2004-07-11  Richard Henderson  <rth@redhat.com>
3049
3050         PR tree-opt/16422
3051         * tree-sra.c (generate_one_element_init): New.
3052         (generate_element_init): Use it.
3053         (scalarize_init): Push/pop gimplify context around it.
3054         (find_new_referenced_vars_1, find_new_referenced_vars): New.
3055         * gimplify.c (gimplify_expr): Allow SSA_NAME.
3056
3057 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3058
3059         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
3060         combine.c's combine_insn_cost.
3061         * rtl.h (insn_rtx_cost): Prototype here.
3062         * combine.c (combine_insn_cost): Delete function.
3063         (combine_validate_cost): Update callers of combine_insn_cost to
3064         call insn_rtx_cost instead.
3065         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
3066         requesting the rtx_cost of call and/or jump instructions.
3067
3068         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
3069         rtx_cost directly.  Don't request/use the cost of call or jump
3070         instructions.  Return -1 if the cost of any instruction can't be
3071         determined (or the BB contains a function call).
3072         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
3073         -1 (i.e. can't determine the cost of any instruction or the basic
3074         block contains a subroutine call).
3075         (find_if_case_2): Likewise.
3076
3077 2004-07-11  Roger Sayle  <roger@eyesopen.com>
3078
3079         * rs6000.c (struct processor_costs): Change semantics of fields to
3080         include the COST_N_INSNS scaling, and update all initializers.
3081         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
3082         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
3083         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
3084         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
3085
3086 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3087
3088         * LANGUAGES: Remove obsolete information.
3089
3090 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3091
3092         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
3093         SIGBUS signal frames, the PSW address points *to* the faulting
3094         instruction, not after it.
3095
3096 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
3097
3098         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
3099         added to TLS symbol addresses.
3100
3101 2004-07-11  Richard Henderson  <rth@redhat.com>
3102
3103         * expmed.c (init_expmed): Use stack-local structures for
3104         temporary rtl.  Don't recognize shifts.
3105
3106 2004-07-11  Richard Henderson  <rth@redhat.com>
3107
3108         * expr.c (store_expr): Don't fiddle subreg promotion for types
3109         with precision smaller than the mode.
3110
3111 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3112
3113         * tree.h (all_types_permanent): Remove.
3114
3115 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3116
3117         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
3118         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
3119         * langhooks.c (lhd_clear_binding_stack): Remove.
3120         * langhooks-def.h (lhd_clear_binding_stack,
3121         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3122         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
3123         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
3124         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3125         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
3126         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
3127         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
3128         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
3129         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
3130         * tree.h (poplevel): Don't declare.
3131         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
3132         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
3133         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
3134         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
3135         Remove.
3136
3137 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3138
3139         PR tree-optimization/16437
3140         * c-common.c (shorten_compare): Don't mark result of conversion to
3141         narrower signed type as overflowing.
3142         * fold-const.c (decode_field_reference): Determine whether
3143         signedness comes from outer type using precision rather than size.
3144
3145 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3146
3147         * configure.ac:  Alphabetize --enable-checking list, add
3148         missing valgrind entry.
3149         * configure:  Regenerate.
3150
3151 2004-07-11  Phil Edwards  <phil@codesourcery.com>
3152
3153         * doc/install.texi (Testing):  Fix syntax in "make check" example.
3154
3155 2004-07-10  James E Wilson  <wilson@specifixinc.com>
3156
3157         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
3158
3159 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3160
3161         PR rtl-optimization/16001
3162         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
3163         niter_expr.
3164
3165 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
3166
3167         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
3168
3169 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
3170             James Morrison  <phython@gcc.gnu.org>
3171
3172         * doc/contrib.texi (Contributors): Add gfortran contributors and
3173         fix a couple of typos.
3174
3175 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3176
3177         PR rtl-optimization/15387
3178         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
3179         to incoming args space correctly.
3180
3181 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3182
3183         * pa.c (output_indirect_call): Only use %r2 as the link register in
3184         indirect calls with the long PA 2.0 pc-relative branch.
3185
3186 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
3187
3188         * config/i386/i386.c (override_options): Pick a 64-bit CPU
3189         for the default tuning if TARGET_64BIT.
3190
3191 2004-07-10  Richard Henderson  <rth@redhat.com>
3192
3193         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
3194         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
3195
3196 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
3197
3198         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
3199         * expmed.c (store_bit_field, extract_bit_field): Remove last
3200         argument.
3201         * builtins.c (expand_builtin_signbit): Adjust callers.
3202         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
3203         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
3204         * ifcvt.c (noce_emit_move_insn): Likewise.
3205         * stmt.c (expand_return): Likewise.
3206         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
3207         store_field, expand_expr_real_1): Likewise.
3208
3209 2004-07-10  Richard Henderson  <rth@redhat.com>
3210
3211         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
3212
3213 2004-07-09  Mike Stump  <mrs@apple.com>
3214
3215         * config/darwin.c (no_dead_strip): Add.
3216         (HAVE_DEAD_STRIP): Add.
3217         (darwin_emit_unwind_label): Ensure that we don't dead code strip
3218         the .eh label.
3219
3220 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3221
3222         * tree-ssa-loop-im.c: New file.
3223         * Makefile.in (tree-ssa-loop-im.o): Add.
3224         * cfgloop.c (superloop_at_depth): New function.
3225         * cfgloop.h (superloop_at_depth): Declare.
3226         * common.opt (ftree-lim): New flag.
3227         * expr.c (array_ref_up_bound): New function.
3228         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
3229         * timevar.def (TV_LIM): New timevar.
3230         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
3231         computing immediate uses of a phi node.
3232         * tree-flow.h (struct tree_ann_common_d): Add aux field.
3233         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
3234         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
3235         * tree-pass.h (pass_lim): Declare.
3236         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
3237         functions.
3238         (pass_lim): New pass structure.
3239         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
3240         * tree.c (in_array_bounds_p): New function.
3241         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
3242         (in_array_bounds_p, array_ref_up_bound): Declare.
3243         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
3244         * doc/passes.texi (tree-ssa-loop-im.c): Document.
3245
3246 2004-07-09  Richard Henderson  <rth@redhat.com>
3247
3248         * builtins.c (expand_builtin_stpcpy): Don't modify len.
3249
3250         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
3251         with prejudice.
3252
3253 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
3254
3255         * flags.h: Delete redundant prototypes that are being generated
3256         in options.h from common.opt.
3257         * common.opt: Add in the expository comments formerly in flags.h.
3258
3259 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3260
3261         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
3262         available for use only when TARGET_MMX/_SSE is set, and check for
3263         variable argument function if any register count is non-zero.
3264         (function_arg): Correctly suppress repeated warnings for passing SSE
3265         vectors are arguments without SSE enabled.
3266         (ix86_function_arg_boundary): Without SSE enabled, the use of what
3267         would be SSE register modes does no longer influence the alignment.
3268
3269 2004-07-09  Richard Henderson  <rth@redhat.com>
3270
3271         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
3272         Always align upward to arg boundary.  Use size_in_bytes/round_up.
3273         Maintain type-correctness of constants.
3274         * stor-layout.c (round_up, round_down): Special-case powers of 2.
3275
3276 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3277
3278         * config/sparc/sparc.c (*_costs): Scale instruction costs
3279         by COSTS_N_INSNS.
3280         (sparc_rtx_costs): Adjust as appropriate.
3281
3282 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3283
3284         * config/i386/mm3dnow.h: New.
3285         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
3286
3287 2004-07-09  Richard Henderson  <rth@redhat.com>
3288
3289         * simplify-rtx.c (simplify_const_relational_operation): Only
3290         look at bounds of scalar integers.
3291
3292 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3293
3294         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
3295
3296 2004-07-09  Andrew Pinski  <apinski@apple.com>
3297
3298         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
3299         always referenced.
3300         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
3301         UOBJC_METACLASS_decl.
3302
3303 2004-07-09  James E Wilson  <wilson@specifixinc.com>
3304
3305         PR target/16364
3306         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
3307         do return a parallel if hfa_mode == XFmode and mode == TImode.
3308
3309 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3310
3311         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
3312         permissible for unary plus.
3313
3314 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3315
3316         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
3317         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
3318         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
3319         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
3320         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
3321         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
3322         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
3323         (BUILTIN_xxxIMAX): New.
3324         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
3325         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
3326         BUILT_IN_PARITYIMAX.
3327
3328 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
3329
3330         * config/sparc/sparc.h (processor_costs): Define.
3331         (sparc_costs): Declare.
3332         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
3333         hypersparc_costs, sparclet_costs, ultrasparc_costs,
3334         ultrasparc3_costs): New.
3335         (sparc_override_options): Set sparc_costs as appropriate.
3336         (sparc_rtx_costs): Use sparc_costs instead of messy
3337         conditionals.
3338
3339 2004-07-09  Steven Bosscher  <stevenb@suse.de>
3340
3341         * doc/md.texi (Processor pipeline description): Mention that
3342         the old pipeline description is deprecated.
3343
3344         * config/rs6000/7450.md (automaton ppc7450): Split up, move
3345         mciu_7450 function unit to...
3346         (automaton ppc7450mciu): ...new automaton.
3347
3348         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
3349         (schedule_block): Don't consider inserting bubbles.
3350         (sched_init): Don't initialize DFA bubbles.
3351         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
3352         TARGET_SCHED_DFA_BUBBLE): Remove.
3353         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
3354         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
3355         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
3356
3357         * stmt.c (conditional_context): Remove prototype.
3358         * tree.h (conditional_context): Remove.
3359         * tree-cfg.c (pre_insert_on_edge): Remove.
3360
3361         * c-common.h (c_expand_asm_operands): Remove prototype.
3362         * c-typeck.c (c_expand_asm_operands): Remove.
3363
3364 2004-07-09  Jan Beulich  <jbeulich@novell.com>
3365
3366         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
3367         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
3368         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
3369         and V8QI are class SSE. All sufficiently small remaining vector modes
3370         must be passed in one or two integer registers.
3371         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
3372         returned in memory.
3373         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
3374         __builtin_ia32_pmuludq128 have non-uniform argument and return types
3375         and must thus be handled explicitly.
3376         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
3377         MMX and XMM regs.
3378         (movv8qi_internal, movv4hi_internal, movv2si_internal,
3379         movv2sf_internal): Permit moving between MMX and XMM registers (since
3380         MMX areguments and return values are passed in XMM registers).
3381         (sse2_umulsidi3): Correct type and mode.
3382
3383 2004-07-09  Richard Henderson  <rth@redhat.com>
3384
3385         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
3386
3387 2004-07-09  Eric Christopher  <echristo@redhat.com>
3388
3389         * config/rs6000/40x.md: Split into two automatons.
3390
3391 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3392             Andrew Pinski  <apinski@apple.com>
3393
3394         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
3395         on when we have more than one input file.
3396         (c_common_parse_file): Restore loop over all input files.
3397         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
3398
3399         * c-decl.c (set_type_context): New function.
3400         (pop_scope): Use it to set context of types.  When we
3401         encounter a TYPE_DECL, set the context of the attached type too.
3402         (pop_file_scope): Don't call cpp_undef_all here.
3403         (diagnose_mismatched_decls): Do not complain about a second
3404         definition of an 'extern inline' function if it's not in the
3405         same translation unit.  Do not complain about inline
3406         declaration after use if the use was in a different
3407         translation unit.
3408         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
3409         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
3410         the external scope.
3411         (pushdecl_top_level): Likewise.
3412         (grokdeclarator): Clarify what is going on with setting
3413         DECL_EXTERNAL on function types, a little.
3414         (c_write_global_declarations): Don't do anything if
3415         -fsyntax-only or errors have been encountered.
3416
3417 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
3418
3419         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
3420
3421 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3422
3423         PR target/16459
3424         * pa.c (output_indirect_call): Use %r2 as the link register when
3425         calling $$dyncall with a pc-relative branch.
3426
3427 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
3428
3429         * doc/install.texi (Binaries): Mention OpenPKG.
3430
3431 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
3432
3433         Fix PR tree-optimization/15555
3434         * tree-dfa.c (dump_variable): If the variable is a pointer
3435         SSA_NAME, also dump its points-to information.
3436         * tree-flow.h (struct ptr_info_def): Add field
3437         is_dereferenced.
3438         (dump_points_to_info_for): Declare.
3439         (debug_points_to_info_for): Declare.
3440         * tree-optimize.c (init_tree_optimization_passes): Add a
3441         second alias analysis pass after DOM2.
3442         Move pass_del_pta to a later spot.
3443         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
3444         create a name tags when we find a dereferenced pointer.  Just
3445         mark the pointer dereferenced.
3446         (collect_points_to_info_for): Move code to clear points-to
3447         information to create_name_tags.
3448         (create_name_tags): New function.
3449         (compute_flow_sensitive_aliasing): Call it.
3450         (setup_pointers_and_addressables): Mark type tags for renaming
3451         here instead of ...
3452         (create_memory_tag): ... here.
3453         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
3454         (dump_points_to_info_for): Declare extern.
3455         (debug_points_to_info_for): New function.
3456
3457 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
3458
3459         * config/arc/arc.md: Switch to DFA-based scheduler description.
3460         * config/arc/arc.c: Switch to DFA-based scheduler description.
3461
3462 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3463
3464         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
3465         pointer.
3466
3467 2004-07-09  Richard Henderson  <rth@redhat.com>
3468
3469         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
3470         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3471         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
3472         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3473
3474         * config/v850/v850-protos.h (v850_va_arg): Remove.
3475         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3476         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
3477         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
3478         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
3479         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
3480
3481 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3482
3483         PR target/12133
3484         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
3485         and DImode to use +/-4k offset.
3486
3487 2004-07-09  Richard Henderson  <rth@redhat.com>
3488
3489         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
3490         Remove.
3491         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3492         (xstormy16_gimplify_va_arg_expr): Rewrite from
3493         xstormy16_expand_builtin_va_arg.
3494         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
3495
3496         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
3497         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
3498
3499         * config/sh/sh-protos.h (sh_va_arg): Remove.
3500         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3501         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
3502         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
3503
3504         * config/pa/pa-protos.h (hppa_va_arg): Remove.
3505         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3506         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
3507         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
3508
3509         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
3510         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3511         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
3512         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
3513
3514 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3515
3516         * config/sparc/sparc.md (return): Rewrite length formula.
3517         * config/sparc/sparc.c (output_return): Pass 1 as 5th
3518         argument to final_scan_insn when in a delay slot.
3519         (output_sibcall): Likewise.
3520
3521 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
3522
3523         * arm.c (arm_cpp_interwork): New variable.
3524         (arm_override_options): Set it if TARGET_INTERWORK was on the command
3525         line.
3526         * arm.h (arm_cpp_interwork): Declare it.
3527         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
3528         __THUMB_INTERWORK__ in the preprocessor.
3529
3530 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
3531
3532         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
3533
3534 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
3535
3536         PR target/16416
3537         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
3538         Override default settings to account for -m32 and -m64.
3539
3540 2004-07-08  Randolph Chung  <tausq@debian.org>
3541
3542         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
3543
3544 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
3545
3546         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
3547         before comparing it as such.
3548
3549 2004-07-08  Richard Henderson  <rth@redhat.com>
3550
3551         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
3552         temporary.  Use bit arithmetic to align.
3553
3554 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
3555
3556         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
3557         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
3558         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
3559         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
3560         add_labels_and_missing_jumps, find_jump_block,
3561         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3562         Likewise.
3563         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
3564         link_btr_uses, move_btr_def): Likewise.
3565         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
3566         expand_builtin_expect_jump): Likewise.
3567         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
3568         * calls.c (expand_call, emit_library_call_value_1): Likewise.
3569         * cfganal.c (forwarder_block_p): Likewise.
3570         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
3571         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
3572         find_bb_boundaries): Likewise.
3573         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3574         merge_blocks_move_predecessor_nojumps,
3575         merge_blocks_move_successor_nojumps, insns_match_p,
3576         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3577         try_optimize_cfg): Likewise.
3578         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
3579         * cfglayout.c (skip_insns_after_block, label_for_bb,
3580         record_effective_endpoints, insn_locators_initialize,
3581         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
3582         * cfgmainloop.c (create_loop_notes): Likewise.
3583         * cfgrtl.c (delete_insn, delete_insn_chain,
3584         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
3585         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
3586         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
3587         redirect_branch_edge, force_nonfallthru_and_redirect,
3588         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
3589         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
3590         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
3591         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3592         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
3593         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
3594         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
3595         * combine.c (combine_instructions, can_combine_p, try_combine,
3596         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
3597         distribute_notes, distribute_links, insn_cuid): Likewise.
3598         * cse.c (fold_rtx, cse_insn, cse_around_loop,
3599         invalidate_skipped_block, cse_set_around_loop,
3600         cse_end_of_basic_block, cse_main, cse_basic_block,
3601         cse_condition_code_reg): Likewise.
3602         * cselib.c (cselib_process_insn): Likewise.
3603         * ddg.c (create_ddg): Likewise.
3604         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
3605         Likewise.
3606         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
3607         gen_label_die, dwarf2out_var_location): Likewise.
3608         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
3609         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
3610         last_call_insn, active_insn_p, next_label, prev_label,
3611         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
3612         add_insn_before, remove_insn, add_function_usage_to,
3613         reorder_insns, find_line_note, remove_unnecessary_notes,
3614         emit_insn_after_1, classify_insn): Likewise.
3615         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
3616         connect_post_landing_pads, sjlj_mark_call_sites,
3617         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
3618         can_throw_internal, can_throw_external, set_nothrow_function_flags,
3619         convert_to_eh_region_ranges): Likewise.
3620         * explow.c (optimize_save_area_alloca): Likewise.
3621         * expr.c (expand_expr_real): Likewise.
3622         * final.c (insn_current_reference_address, compute_alignments,
3623         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
3624         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
3625         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
3626         propagate_block_delete_insn, propagate_one_insn,
3627         init_propagate_block_info, propagate_block, libcall_dead_p,
3628         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
3629         Likewise.
3630         * function.c (instantiate_virtual_regs, reorder_blocks_1,
3631         expand_function_start, expand_function_end, contains,
3632         thread_prologue_and_epilogue_insns,
3633         reposition_prologue_and_epilogue_notes): Likewise.
3634         * gcse.c (constprop_register, bypass_conditional_jumps,
3635         insert_insn_end_bb, gcse_after_reload): Likewise.
3636         * genemit.c (gen_expand, gen_split): Likewise.
3637         * genpeep.c (gen_peephole, main): Likewise.
3638         * global.c (build_insn_chain): Likewise.
3639         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
3640         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
3641         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
3642         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
3643         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
3644         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
3645         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
3646         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
3647         dead_or_predicable): Likewise.
3648         * integrate.c (try_constants): Likewise.
3649         * jump.c (rebuild_jump_labels, cleanup_barriers,
3650         purge_line_number_notes, init_label_info, mark_all_labels,
3651         squeeze_notes, get_label_before, get_label_after,
3652         reversed_comparison_code_parts, simplejump_p, pc_set,
3653         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
3654         delete_barrier, delete_prior_computation, delete_computation,
3655         delete_related_insns, delete_for_peephole, redirect_jump):
3656         Likewise.
3657         * lcm.c (optimize_mode_switching): Likewise.
3658         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
3659         Likewise.
3660         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
3661         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
3662         * loop-iv.c (simplify_using_assignment): Likewise.
3663         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
3664         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
3665         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
3666         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
3667         check_insn_for_givs, check_final_value, update_giv_derive,
3668         basic_induction_var, product_cheap_p, check_dbra_loop,
3669         loop_insn_first_p, last_use_this_basic_block,
3670         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
3671         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
3672         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
3673         sms_schedule_by_order): Likewise.
3674         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
3675         * postreload.c (reload_cse_simplify_operands, reload_combine,
3676         reload_cse_move2add): Likewise.
3677         * predict.c (can_predict_insn_p, estimate_probability,
3678         expected_value_to_br_prob, process_note_predictions): Likewise.
3679         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
3680         * profile.c (branch_prob): Likewise.
3681         * ra-build.c (live_out_1, livethrough_conflicts_bb,
3682         detect_webs_set_in_cond_jump): Likewise.
3683         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
3684         ra_print_rtl_with_bb): Likewise.
3685         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
3686         * recog.c (next_insn_tests_no_inequality, find_single_use,
3687         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
3688         * reg-stack.c (next_flags_user, record_label_references,
3689         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
3690         compensate_edge, convert_regs_1): Likewise.
3691         * regclass.c (scan_one_insn): Likewise.
3692         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3693         regmove_optimize, fixup_match_1, single_set_for_csa,
3694         combine_stack_adjustments_for_block): Likewise.
3695         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
3696         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
3697         find_equiv_reg): Likewise.
3698         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
3699         reload_as_needed, emit_input_reload_insns, do_output_reload,
3700         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
3701         Likewise.
3702         * reorg.c (find_end_label, emit_delay_sequence,
3703         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
3704         get_jump_flags, rare_destination, mostly_true_jump,
3705         try_merge_delay_insns, redundant_insn, own_thread_p,
3706         fill_simple_delay_slots, fill_slots_from_thread,
3707         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
3708         dbr_schedule): Likewise.
3709         * resource.c (find_basic_block, next_insn_no_annul,
3710         find_dead_or_set_registers, mark_target_live_regs): Likewise.
3711         * rtl.h (RTX_PREV): Likewise.
3712         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
3713         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
3714         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
3715         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
3716         tablejump_p, computed_jump_p, insns_safe_to_move_p,
3717         find_first_parameter_load, can_hoist_insn_p): Likewise.
3718         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
3719         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
3720         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
3721         schedule_ebbs): Likewise.
3722         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
3723         is_conditionally_protected, can_schedule_ready_p,
3724         add_branch_dependences, debug_dependencies): Likewise.
3725         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
3726         Likewise.
3727         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
3728         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
3729         set_dominates_use, ujump_to_loop_cont): Likewise.
3730         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
3731         * varasm.c (output_constant_pool_1): Likewise.
3732
3733 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3734
3735         * tree-scalar-evolution.c: New file.
3736         * tree-scalar-evolution.h: New file.
3737         * tree-ssa-loop-niter.c: New file.
3738         * Makefile.in (SCEV_H): New.
3739         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
3740         * cfgloop.h (struct loop): Add bounds field.
3741         * tree-flow.h (struct tree_niter_desc): New type.
3742         (number_of_iterations_cond, number_of_iterations_exit,
3743         loop_niter_by_eval, find_loop_niter_by_eval,
3744         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
3745         free_numbers_of_iterations_estimates): Declare.
3746         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
3747         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
3748         * doc/invoke.texi (max-iterations-to-track): Document.
3749
3750 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3751
3752         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
3753         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
3754         (MODE_AFTER): Add cast appropriately.
3755         * config/sh/sh.md (movdi splitter): Likewise.
3756         (casesi_worker_2): Add const qualifier appropriately.
3757         (eh_return): Remove unused variable.
3758         (insv): Initialize v;
3759
3760 2004-07-08  Richard Henderson  <rth@redhat.com>
3761
3762         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
3763         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3764         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
3765         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
3766         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
3767
3768         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
3769         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3770         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
3771         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
3772
3773         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
3774         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3775         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
3776         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
3777
3778         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
3779         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3780         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
3781         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
3782
3783         * config/i860/i860-protos.h (i860_va_arg): Remove.
3784         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3785         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
3786         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
3787
3788 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3789
3790         * system.h: Prototype getpagesize if missing.
3791         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
3792         * configure: Regenerate.
3793         * config.in: Regenerate.
3794
3795 2004-07-08  Richard Henderson  <rth@redhat.com>
3796
3797         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
3798         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3799         (fr30_gimplify_va_arg_expr): New.
3800         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
3801         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
3802
3803 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
3804
3805         PR target/16414
3806         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
3807         of asm_noperands result.
3808
3809 2004-07-08  Richard Henderson  <rth@redhat.com>
3810
3811         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
3812         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3813         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
3814         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
3815
3816 2004-07-08  Richard Henderson  <rth@redhat.com>
3817
3818         * builtins.c (ind_gimplify_va_arg_expr): New.
3819         * tree.h (ind_gimplify_va_arg_expr): Declare.
3820         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
3821
3822 2004-07-08  Jan Beulich  <jbeulich@novell.com>
3823
3824         * expmed.c (extract_bit_field): Correct condition to use vec_extract
3825         patterns also on vector elements other than the first one.
3826         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
3827         break statements.
3828
3829 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
3830
3831         * config/rs6000/darwin-ldouble.c: Correct reference
3832         to the Linnainmaa paper.
3833
3834 2004-07-08  Richard Henderson  <rth@redhat.com>
3835
3836         * config/arc/arc-protos.h (arc_va_arg): Remove.
3837         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3838         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
3839         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3840
3841         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
3842         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
3843         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
3844         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
3845
3846 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3847
3848         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
3849
3850 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3851
3852         * c-decl.c (static_ctors, static_dtors): Make static.
3853         (pop_file_scope): Call c_common_write_pch and
3854         cgraph_finalize_compilation_unit here.
3855         (build_cdtor): Moved here from c-objc-common.c; simplify.
3856         (c_write_global_declarations_1): Clarify comment.
3857         (c_write_global_declarations): Close the external scope before
3858         doing anything else.  Call build_cdtor, cgraph_optimize, and
3859         mudflap_finish_file here.
3860         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
3861         Clarify comment.
3862         * c-objc-common.c: No need to include cgraph.h.
3863         (build_cdtor): Moved to c-decl.c.
3864         (c_objc_common_finish_file): Delete.
3865         * c-tree.h: Update to match.
3866         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
3867         (generate_static_references): Set TREE_USED before calling finish_decl.
3868         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
3869         on the static_instances_decl.
3870
3871 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
3872
3873         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
3874         decls when there is only one input translation unit.
3875         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
3876         change of 2004-07-05; do not treat declarations with
3877         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
3878         * opts.c (cur_in_fname): Delete.
3879         * opts.h: Likewise.
3880         * tree.c: Revert changes of 2004-07-05; no special treatment
3881         for TRANSLATION_UNIT_DECLs.
3882         * Makefile.in (tree.o): Update dependencies.
3883
3884 2004-07-08  Roger Sayle  <roger@eyesopen.com>
3885
3886         * builtins.c (fold_builtin_strcpy): Merge functionality from
3887         simplify_builtin_strcpy.  Add additional len argument.  No longer
3888         static.  Remove function prototype.
3889         (fold_builtin_strncpy): Likewise integrate functionality from
3890         simplify_builtin_strncpy.  Add additional slen argument.  No
3891         longer static.  Remove function prototype.
3892         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
3893         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
3894         types of "ignore" and "unlocked" parameters to bool.
3895         (fold_builtin_1):  Add additional ignore argument.  Call renamed
3896         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
3897         builtins.  Update arguments to fold_builtin_strncpy and
3898         fold_builtin_strcpy.  Add function prototype.
3899         (fold_builtin): Add additional Boolean ignore argument to pass
3900         to fold_builtin_1.
3901         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
3902         and fold_builtin_strncpy instead of simplify_builtin_fputs,
3903         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
3904
3905         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
3906         simplify_builtin_strncpy): Delete function prototypes.
3907         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
3908         fold_builtin_strncpy): Add function prototypes here.
3909         (fold_builtin): Update function prototype with new "bool ignore".
3910
3911         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
3912         (ccp_fold_builtin):  Update call to fold_builtin.  Call
3913         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
3914         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
3915         simplify_builtin_strncpy respectively.
3916         * fold-const.c (fold): Update call to fold_builtin.
3917
3918 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
3919
3920         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
3921         to strcpy.
3922
3923         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
3924         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
3925         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
3926         * calls.c: Remove ifdefs of macros above.
3927         * functions.c: Likewise.
3928         * expr.c: Likewise.
3929
3930 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3931
3932         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
3933         (arch attribute): Delete.
3934         (current_function_calls_alloca attribute): Rename into calls_alloca.
3935         (calls_eh_return): New attribute.
3936         (leaf_function): Likewise.
3937         (length attribute): Fix formula for sibcalls.
3938         (return insn): Correctly compute the 'length' attribute.
3939         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
3940
3941 2004-07-08  Richard Henderson  <rth@redhat.com>
3942
3943         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
3944         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
3945         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
3946         * tree-eh.c (lower_eh_constructs_1): Likewise.
3947         * tree-sra.c (sra_walk_modify_expr): Likewise.
3948         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3949         (eliminate_unnecessary_stmts): Likewise.
3950         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3951         * tree-tailcall.c (optimize_tail_call): Likewise.
3952         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
3953
3954 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
3955             Jakub Jelinek  <jakub@redhat.com>
3956
3957         * config/i386/i386.c (override_options): Enable
3958         SSE prefetches with -mtune, as long as we are
3959         compiling for i686 or higher.  All i686 processors
3960         accept SSE prefetches as NOPS, some i586's don't.
3961
3962 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3963
3964         PR target/10567
3965         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
3966
3967 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
3968
3969         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
3970         the handling of clobbering ASM_EXPRs.
3971
3972 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3973
3974         PR target/16430
3975         * config/sparc/sparc.c (function_value): In 64-bit mode,
3976         return the aggregates larger than 16 bytes like unions.
3977
3978 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3979
3980         PR target/16199
3981         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
3982         'temp' is zero, generate new pseudos as needed and emit the
3983         sequence of insns in single-assignment form.  Resync comments
3984         with code.
3985         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
3986         function before reload.
3987
3988 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
3989
3990         * vec.c (vec_assert_fail): Remove duplicate 'function'.
3991
3992         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
3993
3994         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
3995         Allocation is signed.
3996         (VEC_reserve): Return flag, allocation is signed.
3997
3998 2004-07-08  Richard Henderson  <rth@redhat.com>
3999
4000         * tree-ssa-ccp.c (fold_stmt): Get type directly from
4001         OBJ_TYPE_REF_OBJECT.
4002
4003 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
4004             Neil Booth  <neil@daikokuya.co.uk>
4005
4006         PR c/2511
4007         PR c/3325
4008         * c-decl.c (finish_struct): Ensure bit-fields are given the
4009         correct type.
4010         * c-common.c (c_common_signed_or_unsigned_type): For C, require
4011         the precision to match as well as the mode.
4012         * expr.c (reduce_to_bit_field_precision): New function.
4013         (expand_expr_real_1): Reduce expressions of bit-field type to
4014         proper precision.
4015         * langhooks.h (reduce_bit_field_operations): New hook.
4016         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4017         Define.
4018         * c-lang.c, objc/objc-lang.c
4019         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
4020         * objc/objc-act.c (check_ivars): Convert types to bit-field types
4021         before checking.
4022         * tree.c (build_nonstandard_integer_type): New function.
4023         * tree.h (build_nonstandard_integer_type): New prototype.
4024         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
4025         conversions between integer and boolean types as useless.
4026
4027 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4028
4029         * c-common.c (c_common_nodes_and_builtins): Do not
4030         create __builtin_ptrdiff_t and __builtin_size_t.
4031
4032 2004-07-08  Andrew Pinski  <apinski@apple.com>
4033
4034         * Makefile.in (libbackend.o): Add -combine to the gcc
4035         command line.
4036
4037 2004-07-08  Nick Clifton  <nickc@redhat.com>
4038
4039         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
4040         Set to -Os.
4041
4042 2004-07-08  Richard Henderson  <rth@redhat.com>
4043
4044         * except.c (expand_eh_region_start, expand_eh_region_end,
4045         expand_eh_handler, expand_eh_region_end_cleanup,
4046         expand_start_all_catch, expand_start_catch, expand_end_catch,
4047         expand_end_all_catch, expand_eh_region_end_allowed,
4048         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
4049         expand_eh_region_end_fixup): Remove.
4050         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
4051         cleanups, outer_cleanups, label_chain, exception_region.
4052         (struct goto_fixup): Remove stack_level, cleanup_list_list.
4053         (struct label_chain): Remove.
4054         (struct stmt_status): Remove x_stack_block_stack.
4055         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
4056         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
4057         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
4058         end_cleanup_deferral, last_cleanup_this_contour,
4059         containing_blocks_have_cleanups_or_stack_level,
4060         any_pending_cleanups): Remove.
4061         (expand_null_return_1): Take no arguments.
4062         (expand_label, expand_naked_return, expand_return,
4063         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
4064         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
4065         expand_end_case_type): Don't use any of them.
4066         * calls.c (expand_call): Likewise.
4067         * dojump.c (do_jump): Likewise.
4068         * function.c (expand_function_end): Likewise.
4069         * expr.c (store_expr, expand_expr_real_1): Likewise.
4070         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
4071         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
4072         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
4073         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
4074         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
4075         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
4076         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
4077         for WITH_CLEANUP_EXPR.
4078         (gimple_push_cleanup): Likewise.
4079         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
4080         * print-tree.c (print_node): Likewise.
4081         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
4082         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
4083         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
4084         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
4085         (GOTO_SUBROUTINE_EXPR): Remove.
4086         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
4087         (DECL_TOO_LATE): Remove.
4088         * except.h, tree.h: Update decls.
4089
4090 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
4091
4092         * explow.c (optimize_save_area_alloca): Do not accept parameters.
4093         * passes.c (rest_of_handle_final): Handle symout.
4094         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
4095         Push timevar here.
4096         (rest_of_handle_sched): Break out SMS.  Remove ifs for
4097         flag_schedule_insns and flag_modulo_sched.
4098         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
4099         collect at the end.
4100         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
4101         (rest_of_handle_partition_blocks, rest_of_handle_sms,
4102         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
4103         rest_of_handle_mode_switching, rest_of_handle_jump,
4104         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
4105         rest_of_handle_jump2, rest_of_handle_postreload,
4106         rest_of_handle_flow2, rest_of_clean_state,
4107         rest_of_handle_shorten_branches,
4108         rest_of_handle_prologue_epilogue,
4109         rest_of_handle_branch_target_load_optimize): New.
4110         (rest_of_compilation): Call the above.  Remove ggc_collect
4111         calls moved to rest_of_handle_*.
4112         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
4113
4114         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
4115         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
4116         * except.h (set_nothrow_function_flags): Update comment.
4117         * function.c (current_function_nothrow): Remove.
4118         * output.h (current_function_nothrow): Remove.
4119         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
4120         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
4121
4122 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4123
4124         PR bootstrap/16326
4125         * reorg.c: Revert 2004-06-30 change.
4126         (find_end_label): If HAVE_epilogue and !HAVE_return,
4127         return 0 instead of creating a label at the end of the insn chain.
4128         (optimize_skip): Account for the failure mode of find_end_label.
4129         (fill_simple_delay_slots): Likewise.
4130         (fill_slots_from_thread): Likewise.
4131         (relax_delay_slots): Likewise.
4132
4133 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
4134
4135         * tree-flow.h (addressable_vars): Declare.
4136         * tree-ssa-alias.c (addressable_vars): Define.
4137         (setup_pointers_and_addressables): Add addressable variables
4138         to addressable_vars.
4139         * tree-ssa-operands.c (get_stmt_operands): Move
4140         handling of ASM_EXPRs ...
4141         (get_asm_expr_operands): ... here.
4142         When the ASM_EXPR clobbers memory, also clobber addressable
4143         variables.
4144         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
4145         (delete_tree_ssa): Reset addressable_vars.
4146
4147 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4148             Richard Henderson  <rth@redhat.com>
4149
4150         * varasm.c (assemble_variable): Use assemble_zeros for
4151         zero-initialized variables.
4152         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
4153         for SECCAT_BSS and SECCAT_TBSS.
4154
4155 2004-07-07  Jan Beulich  <jbeulich@novell.com>
4156
4157         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
4158
4159         * expmed.c (emit_store_flag): Also special-case double-word
4160         (in-)equality comparison against -1.
4161
4162         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
4163         passing arguments the containers for which are registers.
4164
4165         * calls.c (emit_library_call_value_1): Use mode of function parameter
4166         rather than that of argument since constants have none.
4167
4168 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
4169
4170         Introduce H8SX support.
4171         * expr.c (expand_strcpy): Renamed and moved to...
4172         * builtins.c (expand_movstr): ... here.  Tweak.
4173         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
4174         computed or has side effects.
4175         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
4176         unused, or if mempcpy fails.  Adjust the return value in the
4177         latter case.  Use movstr if everything else fails.
4178         * doc/md.texi (movstr): Document.
4179         (movmemM, clrmemM): Fix explanation of memory block operands.
4180         * config/h8300/h8300.md (stpcpy): Renamed to...
4181         (movstr): ... this.  Adjust.
4182         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4183         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
4184         movmem* and clrstr* to clrmem*.
4185         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
4186         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
4187         GENERAL_REGS, always.
4188         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
4189         getting the stack pointer as addr.
4190         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
4191         from general_operand_dst.
4192         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
4193         variant of...
4194         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
4195         instead of requiring it to match only before reload.
4196         (stpcpy_internal_normal): New, normal-mode variant of...
4197         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
4198         `D' instead of requiring it to match only before reload.
4199         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
4200         mode argument.
4201         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
4202         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
4203         h8300_get_index.
4204         * config/h8300/h8300.md (attr type): Add call.
4205         (attr can_delay): If type is call, set it no.
4206         (call, call_value): Set type to call.
4207         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
4208         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
4209         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
4210         * tree.c (get_narrower): Don't narrow integral types into
4211         non-integral types.
4212         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
4213         frame_size *before* the first use.
4214         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
4215         on input.
4216         (peephole2): Don't widen instructions that push SP.  Move
4217         decrement of SP to the end of all stm-generating peepholes.
4218         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4219         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
4220         and OR to set it to all ones.
4221         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
4222         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
4223         (call, call_value): Set can_delay to "no".
4224         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
4225         * config/h8300/h8300.md (extzv): Make subreg check more robust.
4226         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4227         * config/h8300/h8300.md (*brabit): Remove.
4228         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
4229         zero_extract.  Use bit_memory_operand as the predicate for
4230         operand 1 and 'WU' as the constraint.  Check the difference
4231         between the base length and the final one when deciding which
4232         type of branch to use.
4233         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4234         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
4235         Use convert_move to extend the result for TARGET_H8300SX.  Check
4236         for QImode memory references.  Optimize the case where the
4237         destination is a paradoxical subreg.
4238         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4239         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
4240         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
4241         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
4242         * config/h8300/h8300.md: Include mova.md
4243         (length_table): Add mova and mova_zero.
4244         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
4245         after all constant addresses for '%R', '%X', '%T' and '%S'.
4246         (h8300_mova_length): New function.
4247         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
4248         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
4249         dependencies for s-config, etc.
4250         * config/h8300/gemova.sh: New file.
4251         * config/h8300/mova.md: Generated.
4252         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
4253         * config/h8300/h8300.c (h8300_bitfield_length): New.
4254         (nibble_operand): Adjust.
4255         (h8300_binary_length): Handle conditional binary op.
4256         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
4257         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
4258         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
4259         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
4260         constraints.  WU is introduced as a variant of U that requires a
4261         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
4262         * config/h8300/h8300.md (attr type): Added bitbranch.
4263         (attr length_table): Added bitfield and bitbranch.
4264         (attr length): Compute bitbranch length.
4265         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
4266         least-significant bit of a byte.
4267         (brabit, brabc, brabs): New.
4268         (insv, extzv): Emit bfst and bfld on H8300SX.
4269         (bfld, bfst, seq, sne): New.
4270         (bstzhireg, cmpstz, bstz, bistz): New.
4271         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
4272         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
4273         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
4274         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
4275         (h8sx_unary_memory_operator): New function.
4276         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
4277         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
4278         * config/h8300/h8300.md: Add peepholes to combine reloads and
4279         arithmetic insns.
4280         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4281         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
4282         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
4283         (and?i, ior?i, xor?i): Likewise.
4284         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
4285         * config/h8300/h8300.c: Move enums and prototypes to head of file.
4286         Various whitespace fixes.
4287         (h8300_constant_length): New function, split out from...
4288         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
4289         (h8300_classify_operand): Use IN_RANGE.
4290         (h8300_classify_operand): Use h8300_constant_length.
4291         (h8300_short_move_mem_p): Tighten size check.
4292         (h8sx_mergeable_memrefs_p): Tighten equality check.
4293         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
4294         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
4295         for -msx.
4296         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
4297         * config/h8300/crtn.asm: Likewise.
4298         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
4299         if __H8300SX__ is defined.
4300         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
4301         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
4302         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
4303         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
4304         addresses as mode-dependent.
4305         * config/h8300/h8300.c (print_operand_address): Update call to
4306         h8300_get_index.
4307         (h8300_get_index): Take a mode argument.  Rework to fix an
4308         earlier misunderstanding.
4309         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
4310         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
4311         into a register if TARGET_H8300SX.
4312         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
4313         TARGET_H8300SX.  Also disable related define_splits.
4314         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
4315         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
4316         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
4317         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4318         * config/h8300/h8300.h (OK_FOR_Z): New macro.
4319         (EXTRA_CONSTRAINT_STR): Check it.
4320         * config/h8300/h8300.c (h8300_classify_operand): Accept null
4321         class arguments.
4322         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
4323         * config/h8300/h8300.md (length_table): Add mov_imm4.
4324         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
4325         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
4326         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
4327         be a label.
4328         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
4329         * config/h8300/h8300.c (h8300_reorg): New function.
4330         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4331         * config/h8300/h8300.md (length): Subtract the length of the
4332         delay slot from (pc) when checking the range of forward branches.
4333         (delay_slot, can_delay): New attributes.
4334         (define_delay): Add bra/s handling.
4335         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
4336         (jump): Add delayed-branch handling.
4337         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
4338         * expr.c (expand_strcpy): New function.
4339         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
4340         (expand_builtin_stpcpy): Likewise.
4341         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
4342         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
4343         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
4344         handling to improve register allocation for -fno-omit-frame-pointer.
4345         (h8sx_split_movmd): Delete, moving er6 handling into...
4346         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
4347         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
4348         (movmd): Add calls to copy_rtx.
4349         (movmd_internal): In the second alternative, allow the initial and
4350         final destination registers to be different .  Update the splitter
4351         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
4352         instead of h8sx_split_movmd.
4353         (stpcpy, movsd): New expanders.
4354         (movsd_internal): New define_insn.
4355         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
4356         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
4357         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
4358         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
4359         and DESTINATION_REGS.
4360         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4361         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
4362         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
4363         (h8300_move_ratio): Declare.
4364         (MOVE_RATIO): Use it.
4365         * config/h8300/h8300.c (h8300_move_ratio): New variable.
4366         (h8300_init_once): Initialize it.
4367         (h8300_reg_class_from_letter): New function.
4368         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
4369         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
4370         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
4371         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
4372         (movstrsi, movmd): New expanders.
4373         (movmd_internal): New insn.
4374         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
4375         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
4376         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
4377         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
4378         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
4379         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4380         * config/h8300/h8300.c (nibble_operand): Fix warning.
4381         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
4382         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
4383         (movsf_h8300h): Disable for TARGET_H8300SX.
4384         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4385         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
4386         h8300_stm_parallel and h8300_return_parallel.
4387         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
4388         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
4389         h8300_stm_parallel, h8300_return_parallel): New functions.
4390         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
4391         if TARGET_H8300SX.  Use h8300_push_pop.
4392         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
4393         and final pop when generating h8sx code.  Always emit some form
4394         of return insn.
4395         * config/h8300/h8300.md: Don't enforce register alignment in
4396         stm peepholes if TARGET_H8300SX.
4397         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
4398         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
4399         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
4400         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
4401         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
4402         (MULTILIB_DIRNAMES): Add a directory for it.
4403         (MULTILIB_MATCHES): Delete.
4404         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4405         * final.c (walk_alter_subreg): Handle addresses with subregs
4406         inside a ZERO_EXTEND or AND.
4407         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
4408         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
4409         if TARGET_H8300SX.
4410         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
4411         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
4412         @(dd,Rn.w) and @(dd,ERn.L).
4413         (h8300_displacement_size): Take the whole address as argument.
4414         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
4415         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
4416         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
4417         (h8sx_mergeable_memrefs_p): Declare.
4418         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
4419         (HAVE_PRE_INCREMENT): Likewise.
4420         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
4421         addresses for TARGET_H8300SX,
4422         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
4423         and POST_DEC.
4424         (movb_length_table, movl_length_table): New tables.
4425         (movw_length_table): Define to movb_length_table.
4426         (h8300_displacement_size): New, split out from...
4427         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
4428         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
4429         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
4430         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
4431         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
4432         (compute_plussi_length, compute_plussi_cc): Update accordingly.
4433         (h8sx_unary_shift_operator): Get the mode from the operator.
4434         (binary_shift_operator): Likewise.
4435         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
4436         a memory reference, check whether the reference is offsettable.
4437         (length_table): Add movb, movw and movl.
4438         (movqi): Add new h8sx pattern.  Don't force one operand to be a
4439         register when generating h8sx code.
4440         (movhi, movsi, movsf): Likewise.
4441         (movstrictqi): Use the length_table attribute.
4442         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
4443         (addqi3): Split into a define_expand and define_insn.  Don't accept
4444         memory operands in the expander.  Use h8300_operands_match_p to
4445         check for matching operands in the define_insn.
4446         (subqi3, negqi2, one_cmplqi2): Likewise.
4447         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
4448         in any patterns that are unused in h8sx code.  In the h8sx patterns,
4449         use h8300_operands_match_p to check whether operands match.
4450         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
4451         one_cmpl[hs]i3): Likewise.
4452         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
4453         in the expander.
4454         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
4455         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
4456         (h8300_insn_length_from_table): Add a second parameter.
4457         (output_h8sx_shift): Declare.
4458         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
4459         (EXTRA_CONSTRAINT): Replace with...
4460         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
4461         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
4462         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
4463         and h8sx_binary_shift_operator.
4464         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
4465         for TARGET_H8300SX.
4466         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
4467         (bit_memory_operand, fix_bit_operand): Likewise.
4468         (h8300_length_table_for_insn): Remove.
4469         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
4470         instructions.
4471         (h8300_short_immediate_length, h8300_binary_length): New functions.
4472         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
4473         (output_plussi): Use sub to add negative constants.
4474         (compute_plussi_length): Adjust accordingly.
4475         (h8sx_single_shift_type): New enum.
4476         (h8sx_single_shift, h8sx_unary_shift_operator,
4477         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
4478         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
4479         single h8sx instruction.  Return false in this case.
4480         * config/h8300/h8300.md (length_table): Add short_immediate.
4481         (length): Pass the operand array to h8300_insn_length_from_table.
4482         (adjust_length): Assume "no" for insns with a length_table attribute.
4483         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
4484         (*addhi3_h8300hs): Don't use for h8sx.
4485         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
4486         and sub.w #xx:3.
4487         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
4488         1's predicate to nonimmediate_operand.  Only skip default expansion
4489         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
4490         for single h8sx shift instructions.
4491         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
4492         * config/h8300/h8300.c (nibble_operand): Split out of...
4493         (reg_or_nibble_operand): ... this.
4494         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
4495         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
4496         umulhisi3): Introduce expand, and introduce separate insns for
4497         sign- or zero-extended REG and already-extended CONST_INT.
4498         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
4499         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
4500         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
4501         (subhi3): Likewise.  Don't accept immediates for operand 1.
4502         Remove the early clobber from second alternative of the h8300s pattern.
4503         (subsi3): Generalize for h8sx.  Force operand 2 into a register
4504         on plain h8300 targets.
4505         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
4506         (subsi3_h8300h): Generalize for h8sx.
4507         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
4508         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
4509         * config/h8300/h8300.c (reg_or_nibble_operand): New.
4510         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4511         (TARGET_H8300SXMUL): New.
4512         (CONST_OK_FOR_P): New.
4513         (CONST_OK_FOR_LETTER_P): Adjust.
4514         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
4515         umulhisi3): Accept 4-bit immediate on H8SX.
4516         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
4517         (udivsi3, divhi3, udivsi3, divsi3): New.
4518         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
4519         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
4520         * config/h8300/h8300.h (OK_FOR_Q): New macro.
4521         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
4522         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
4523         Add ADDRESSOF to the bit_operand entry.
4524         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
4525         (h8300_src_operand): Likewise.
4526         (bit_operand): Check nonimmediate_operand rather than general_operand.
4527         Accept any nonimmediate_operand in h8sx code.
4528         (h8300_and_costs): Initialize operands[1].
4529         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
4530         (h8300_operand_class): New enum.
4531         (h8300_length_table): New typedef.
4532         (addb_length_table, addw_length_table, addl_length_table,
4533         logicl_length_table): New tables.
4534         (logicb_length_table, logicw_length_table): New macros.
4535         (h8300_classify_operand, h8300_length_from_table,
4536         h8300_length_table_for_insn, h8300_unary_length,
4537         h8300_insn_length_from_table): New functions.
4538         (output_plussi): Only use adds and subs for register destinations.
4539         Disable redundant clause.
4540         (compute_plussi_cc): Likewise.
4541         (compute_plussi_length): Likewise.  Use h8300_length_from_table
4542         to work out the length of an insn.
4543         (output_logical_op): Only use narrower immediate instructions
4544         if the destination is a register.
4545         (compute_logical_op_cc): Likewise.
4546         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
4547         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
4548         * config/h8300/h8300.md (length_table): New attribute.
4549         (length): When an instruction has a length_table attribute, use
4550         h8300_insn_length_from_table to calculate its default length.
4551         (cmpqi): Use h8300_dst_operand for the first operand and
4552         h8300_src_operand for the second.
4553         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
4554         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
4555         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
4556         iorsi3, xorhi3, xorsi3): Likewise.
4557         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
4558         so that it allows any combination of operands for TARGET_H8300SX.
4559         (iorqi3, xorqi3): Likewise.
4560         (cmpqi): Use the length_table attribute.
4561         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
4562         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4563         (cmpqi): Add 'Q' constraint.
4564         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
4565         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
4566         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
4567         * config/h8300/h8300.h (MASK_H8300SX): New macro.
4568         (TARGET_H8300S): True for both -ms and -msx.
4569         (TARGET_H8300SX): New macro.
4570         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
4571         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
4572         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
4573         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
4574         [Temporary change.]
4575         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
4576         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
4577         16-bit pointers and 32-bit ints.
4578         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
4579         CONST_DOUBLE with mode no wider than SImode.
4580         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
4581         output operand.
4582         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
4583         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
4584         or SUBREG thereof.
4585         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
4586         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
4587         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
4588
4589 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4590
4591         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
4592
4593 2004-07-07  Per Bothner  <per@bothner.com>
4594
4595         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
4596
4597 2004-07-07  Mike Stump  <mrs@apple.com>
4598
4599         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
4600         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
4601         (machopic_finish): Likewise.
4602
4603 2004-07-07  Richard Henderson  <rth@redhat.com>
4604
4605         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
4606         through any value-preserving cast.
4607
4608 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4609
4610         * function.c (assign_parm_find_data_types): Call
4611         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
4612
4613 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4614
4615         * tree-cfg.c (group_case_labels): Remove case labels that have
4616         the same target as the default case.
4617
4618 2004-07-07  Steven Bosscher  <stevenb@suse.de>
4619
4620         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
4621         regardless of DECL_LANG_SPECIFIC being present or not.
4622         * tree.h (DECL_NUM_STMTS): Purge.
4623
4624 2004-07-07  Andrew Pinski  <apinski@apple.com>
4625
4626         * configure: Regenerate with the right autoconf.
4627
4628 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
4629
4630         * ifcvt.c (total_bb_rtx_cost): New function.
4631         (find_if_case_1): Compare rtx_cost of basic block to cost of
4632         BRANCH_COST insns.
4633         (find_if_case_2): Same.
4634
4635 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4636
4637         PR target/10567
4638         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
4639         (output_return): Likewise.
4640         (output_sibcall): Abort if !flag_delayed_branch.
4641         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
4642         (emit_and_preserve): New function.
4643         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
4644         indirect jump to the thunked-to function if !flag_delayed_branch.
4645         * config/sparc/sparc.md (delayed_branch): New attribute.
4646         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
4647         attribute to compute the length of the insn.
4648         (goto_handler_and_restore): Likewise.
4649
4650 2004-07-07  Andrew Pinski  <apinski@apple.com>
4651
4652         PR tree-optimization/15777
4653         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
4654
4655         * expr.c (expand_expr_real_1): Fix formating.
4656         BUFFER_REF and IN_EXPR are dead.
4657         * fold-const.c (non_lvalue): BUFFER_REF is dead.
4658         * tree-inline.c (estimate_num_insns_1): Likewise.
4659         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
4660         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
4661         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
4662
4663 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
4664
4665         * collect2.c (dump_file): Don't call cplus_demangle if
4666         HAVE_LD_DEMANGLE is defined.
4667         (main): Pass "--demangle" to ld if no_demangle is not 0 and
4668         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
4669         if HAVE_LD_DEMANGLE is defined.
4670
4671         * configure.ac (--with-demangler-in-ld): Added
4672         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
4673         --with-demangler-in-ld is used.
4674         * config.in: Regenerated.
4675         * configure: Likewise.
4676
4677 2004-07-07  Roger Sayle  <roger@eyesopen.com>
4678
4679         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
4680         for simple floating point operations "fp", double precision
4681         multiplication "dmul", and single and double precision division
4682         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
4683         (ppc630_cost): New table split from ppc620_cost, to distinguish
4684         differences in floating point latencies.
4685         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
4686         (rs6000_rtx_costs): Add support for single and double precision
4687         floating point addition, subtraction, multiplication, division,
4688         fused-multiply-add, fused-multiply-sub, negation, absolute value
4689         and negative absolute value.  Tweak MEM case to use prefered idiom.
4690
4691 2004-07-07  Richard Henderson  <rth@redhat.com>
4692
4693         * tree-flow-inline.h (may_propagate_copy): Move...
4694         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
4695         attempt to copy between types requiring conversion.
4696         * tree-flow.h (may_propagate_copy): Update decl.
4697         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
4698
4699 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
4700
4701         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
4702         from -mtune= option.
4703
4704 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
4705
4706         * builtins.c: Rename movstr*, except for movstrict*, to
4707         movmem* and clrstr* to clrmem*.
4708         * expr.c: Likewise.
4709         * expr.h: Likewise.
4710         * genopinit.c: Likewise.
4711         * integrate.c: Likewise.
4712         * local-alloc.c: Likewise.
4713         * optabs.c: Likewise.
4714         * optabs.h: Likewise.
4715         * config/alpha/alpha.h: Likewise.
4716         * config/alpha/alpha.md: Likewise.
4717         * config/arm/arm-protos.h: Likewise.
4718         * config/arm/arm.c: Likewise.
4719         * config/arm/arm.md: Likewise.
4720         * config/avr/avr.md: Likewise.
4721         * config/c4x/c4x.c: Likewise.
4722         * config/c4x/c4x.md: Likewise.
4723         * config/frv/frv.md: Likewise.
4724         * config/i386/i386-protos.h: Likewise.
4725         * config/i386/i386.c: Likewise.
4726         * config/i386/i386.h: Likewise.
4727         * config/i386/i386.md: Likewise.
4728         * config/i860/i860.c: Likewise.
4729         * config/i860/i860.md: Likewise.
4730         * config/ip2k/ip2k.md: Likewise.
4731         * config/ip2k/libgcc.S: Likewise.
4732         * config/ip2k/t-ip2k: Likewise.
4733         * config/m32r/m32r.c: Likewise.
4734         * config/m32r/m32r.md: Likewise.
4735         * config/mcore/mcore.md: Likewise.
4736         * config/mips/mips.c: Likewise.
4737         * config/mips/mips.md: Likewise.
4738         * config/ns32k/ns32k.c: Likewise.
4739         * config/ns32k/ns32k.h: Likewise.
4740         * config/ns32k/ns32k.md: Likewise.
4741         * config/pa/pa.c: Likewise.
4742         * config/pa/pa.md: Likewise.
4743         * config/pdp11/pdp11.h: Likewise.
4744         * config/pdp11/pdp11.md: Likewise.
4745         * config/rs6000/rs6000.c: Likewise.
4746         * config/rs6000/rs6000.md: Likewise.
4747         * config/s390/s390-protos.h: Likewise.
4748         * config/s390/s390.c: Likewise.
4749         * config/s390/s390.md: Likewise.
4750         * config/sh/lib1funcs.asm: Likewise.
4751         * config/sh/sh.c: Likewise.
4752         * config/sh/sh.md: Likewise.
4753         * config/sh/t-sh: Likewise.
4754         * config/sparc/sparc.h: Likewise.
4755         * config/vax/vax.md: Likewise.
4756         * config/xtensa/xtensa.c: Likewise.
4757         * config/xtensa/xtensa.md: Likewise.
4758         * doc/invoke.texi: Likewise.
4759         * doc/md.texi: Likewise.
4760         * doc/rtl.texi: Likewise.
4761
4762 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
4763
4764         PR target/16407
4765         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
4766         * config/mips/mips.c (mips_declare_common_object): New function,
4767         mostly split out from...
4768         (mips_output_aligned_decl_common): ...here.
4769         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
4770         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
4771         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
4772         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
4773
4774 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4775
4776         PR c/16392
4777         * function.c (assign_parms): Fix typo from previous change.
4778
4779 2004-07-07  Jason Merrill  <jason@redhat.com>
4780
4781         PR c++/15815
4782         * doc/extend.texi (C++ Interface): Correct information and
4783         discourage use.
4784
4785 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
4786
4787         PR target/16130
4788         PR target/16142
4789         PR target/16143
4790         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
4791         insn.
4792
4793 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4794
4795         PR target/1679.
4796         * config/m32r/m32r.c (m32r_function_symbol): New function:
4797         Generate a symbol name RTX with the correct m32r specific flags
4798         set.
4799         (block_move_call): Use new function to generate correct symbol.
4800         * config/m32r/m32r-protos.h: Add prototype for new funcion.
4801         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
4802         function.
4803
4804 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4805
4806         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
4807         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
4808         TYPE_BINFO_BASETYPE): Remove.
4809         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
4810         to ...
4811         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
4812         here.
4813         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
4814         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
4815         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
4816         (struct tree_binfo): Rename base_types to base_binfos.
4817         * alias.c (record_component_aliases): Adjust BINFO macros.
4818         * dbxout.c (dbxout_type): Likewise.
4819         * dwarf2out.c (gen_member_die): Likewise.
4820         * sdbout.c (sdbout_one_type): Likewise.
4821         * tree-dump.c (deque_and_dump): Likewise.
4822         * config/i386/i386.c (classify_argument,
4823         contains_128bit_aligned_vector_p): Likewise.
4824
4825 2004-07-07  Nick Clifton  <nickc@redhat.com>
4826
4827         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
4828         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
4829
4830 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
4831
4832         * vec.h: Fix the example use.
4833
4834 2004-07-06  Richard Henderson  <rth@redhat.com>
4835
4836         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
4837         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
4838         * tree-inline.c (copy_body_r, setup_one_parameter,
4839         initialize_inlined_parameters, expand_call_inline,
4840         declare_inline_vars): Don't check it.
4841         (expand_calls_inline): Remove old version, rename new version
4842         from gimple_expand_calls_inline.
4843         * tree-optimize.c (execute_gimple): Remove.
4844         (pass_gimple): Don't run anything.
4845
4846 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4847
4848         * doc/sourcebuild.texi: Use semicolons instead of commas in
4849         section title.
4850
4851 2004-07-06  Richard Henderson  <rth@redhat.com>
4852
4853         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
4854         (sra_walk_modify_expr, scan_init): Likewise.
4855         (generate_element_zero): Check visited before scanning children.
4856         (generate_element_init): Set visited on error.
4857         (scalarize_init): Handle generate_element_init failure similar
4858         to use_block_copy.
4859
4860 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
4861
4862         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
4863         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
4864
4865 2004-07-06  Richard Henderson  <rth@redhat.com>
4866
4867         * config/i386/i386.c (legitimize_pic_address): Make static.
4868         (legitimize_address): Handle CONST with TLS operand.
4869         (ix86_expand_move): Don't call legitimize_pic_address directly.
4870         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
4871
4872 2004-07-06  Roger Sayle  <roger@eyesopen.com>
4873
4874         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
4875         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
4876         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
4877         is currently executed unconditionally, i.e. not in "else_bb".
4878
4879 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4880
4881         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
4882         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4883         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
4884         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4885         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
4886         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4887         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
4888         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4889         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
4890         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4891         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
4892         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4893         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
4894         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4895         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
4896         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4897
4898 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4899
4900         * dojump.c (do_jump): REFERENCE_EXPR is dead.
4901         * expr.c (expand_expr_real_1): Ditto.
4902         * tree-inline.c (estimate_num_insns_1): Ditto.
4903         * tree-pretty-print.c (dump_generic_node): Ditto.
4904         (op_symbol): Ditto.
4905         * tree.def: Ditto.
4906
4907 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
4908
4909         * tree-ssa-pre.c (reference_node_pool): New pool.
4910         (find_or_generate_expression): Class 'r' is okay too.
4911         (create_value_expr_from): Ditto.
4912         (add_to_sets): LHS should not include vuses.
4913         (eliminate): Ditto.
4914         (compute_avail): Reverse ordering of tests.
4915         Valuize INDIRECT_REF as well.
4916
4917 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
4918
4919         PR rtl-optimization/16380
4920         * loop.c (check_dbra_loop): Sink comparison instructions if they
4921         do something other than set cc0.
4922
4923 2004-07-06  James E Wilson  <wilson@specifixinc.com>
4924
4925         * doc/interface.texi (longjmp and automatic variables): Delete
4926         paragraph recommending taking the address of a variable.
4927
4928 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4929
4930         * vec.h (VEC_embedded_alloc): Remove.
4931         (VEC_embedded_size, VEC_embedded_init): New.
4932         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
4933         MEM_STAT_INFO.
4934         (VEC_truncate): New.
4935         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
4936         (vec_embedded_alloc): Remove.
4937         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
4938         (vec_embedded_alloc): Remove.
4939
4940 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
4941
4942         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
4943         (gt-langhooks.h): Remove.
4944
4945 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
4946
4947         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
4948
4949 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4950
4951         * config/sparc/sparc.c (get_pc_symbol): Rename into
4952         add_pc_to_pic_symbol.
4953         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
4954         (load_pic_register): Account for previous changes.
4955         Use reg_names.  Don't create the label twice.
4956         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
4957         UNSPEC_LOAD_PCREL_SYM.
4958         (get_pc): Rename into load_pcrel_sym.  Add predicate to
4959         operands.  Remove condition.
4960
4961 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
4962
4963         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
4964         RECORD, UNION & QUAL_UNION is actually a binfo.
4965
4966         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
4967         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
4968         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
4969         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
4970         * dwarf2out.c (add_data_member_location_attribute): Likewise.
4971         (gen_inheritance_die): Likewise.
4972         * tree-dump.c (deque_and_dump): Likewise.
4973         * doc/c-tree.texi (Binfos): Add under reconstruction note.
4974
4975 2004-07-06  Steven Bosscher  <stevenb@suse.de>
4976
4977         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
4978         Define.
4979         * config/mcore/mcore.md: Model memory latency with a simple DFA
4980         pipeline description instead of a define_function_unit.
4981
4982 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4983
4984         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
4985         * langhooks.h (var_mod_type_p): Likewise.
4986         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
4987         * expr.c (count_type_elements): Properly handle return from
4988         array_type_nelts and properly test for overflow.
4989         * gimplify.c (gimplify_init_constructor): Properly handle return
4990         from array_type_nelts.
4991         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
4992         * integrate.c (copy_decl_for_inlining): Correct comments.
4993         * tree-inline.c (remap_decl): Update comments, remove dead code,
4994         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
4995         (remap_type): Only remap if variably modified by vars in function
4996         being inlined.
4997         (copy_body_r): Use compatible_type langhooks to see when can fold.
4998         (setup_one_parameter): Don't remap type.
4999         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
5000         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
5001         compute TREE_INVARIANT for decl case.
5002         (find_var_from_fn): New function.
5003         (variably_modified_type_p): Add arg and call new function.
5004         * tree.h (variably_modified_type_p): Add extra arg.
5005
5006 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5007
5008         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
5009         (goto_handler_and_restore_v9): Delete disabled insn.
5010         (goto_handler_and_restore_v9_sp64): Likewise.
5011
5012 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5013
5014         * calls.c (load_register_parameters): Call expand_shift instead
5015         of expand_binop with ashl_optab (or other shift optab) directly.
5016         * expr.c (emit_group_load, emit_group_store): Likewise.
5017         * function.c (assign_parm_setup_block): Likewise.
5018         * stmt.c (shift_return_value): Likewise.
5019
5020 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
5021
5022         * expr.c (expand_assignment): Disable the bitfield += optimizations.
5023
5024 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5025
5026         * doc/sourcebuild.texi: Revert previous patch.
5027
5028 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5029
5030         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
5031         TARGET_MEM_FUNCTIONS.
5032         * system.h: Poison TARGET_MEM_FUNCTIONS.
5033         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
5034         bcmp_libfunc, bzero_libfunc): Remove.
5035         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
5036         bzero_libfunc.
5037         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
5038         * doc/standards.texi: Don't mention calling BSD string functions.
5039         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
5040         * config/vax/t-memfuncs: New.
5041         * config/memcmp.c, config/memcpy.c, config/memmove.c,
5042         config/memset.c: New.
5043         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
5044         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
5045         vax/t-memfuncs.
5046         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
5047         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
5048         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
5049         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
5050         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
5051         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
5052         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
5053         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
5054         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
5055         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
5056
5057 2004-07-05  Richard Henderson  <rth@redhat.com>
5058
5059         * function.c (assign_parm_setup_reg): Properly rename variables in
5060         FUNCTION_ARG_CALLEE_COPIES section.
5061
5062 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5063
5064         * tree-mudflap.c: Include cgraph.h.
5065         (mf_init_extern_trees): Rename to mudflap_init.  Export.
5066         Rewrite to create synthetic declarations instead of looking
5067         up declarations from mf-runtime.h.
5068         (mf_make_builtin, mf_make_cache_struct_type): New functions.
5069         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
5070         Correct commentary.
5071         (execute_mudflap_function_decls, mudflap_register_call):
5072         Don't call mf_init_extern_trees.
5073         (mudflap_finish_file): Use cgraph_build_static_cdtor.
5074
5075         * tree-mudflap.h: Update prototypes.
5076         * c-mudflap.c: Delete file.
5077         * c-common.c: Include tree-mudflap.h.
5078         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
5079         * Makefile.in: Remove all references to c-mudflap.o.
5080         Update dependencies.
5081
5082 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5083
5084         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
5085         displacements with the spatial-locality cache-control completer.
5086
5087 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
5088
5089         * langhooks.c: Don't include gt-langhooks.h.
5090         (var_labelno): Delete.
5091         (lhd_set_decl_assembler_name): Do not append a distinguishing
5092         number to file-scope internal-linkage declarations for the first
5093         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
5094         the declaration itself (if at block scope), or its containing
5095         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
5096         number.
5097
5098         * opts.c (cur_in_fname): New global.
5099         * opts.h: Declare it.
5100         * tree.c: Include opts.h.
5101         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
5102         DECL_UID equal to cur_in_fname.
5103         (copy_node_stat): Do not change DECL_UID when copying a
5104         TRANSLATION_UNIT_DECL.
5105         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
5106         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
5107
5108         * c-decl.c (c_static_assembler_name): Delete.
5109         * c-tree.h (c_static_assembler_name): Delete prototype.
5110         * c-lang.c, objc/objc-lang.c: Don't override
5111         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
5112
5113         * Makefile.in (tree.o): Update dependencies.
5114         (GTFILES): Remove langhooks.c.
5115
5116 2004-07-05  Roger Sayle  <roger@eyesopen.com>
5117
5118         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
5119         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
5120         Normalize "X % C" as "X % -C" for signed modulus and negative C.
5121         Optimize "X % -Y" as "X % Y" for signed modulus.
5122         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
5123         into "((unsigned) X % Y) == 0".
5124
5125 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5126
5127         * sourcebuild.texi (Config Fragments): Use @comma{} in
5128         cross-reference to section title.
5129
5130 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5131
5132         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
5133         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
5134         (gimplify_target_expr, gimplify_expr): Likewise.
5135         (copy_if_shared_r): No longer need special case for BIND_EXPR.
5136         (unshare_body, unvisit_body): Only look at nested if BODY_P is
5137         whole function.
5138         (gimplify_compound_lval): See if we can strip any useless conversion.
5139         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
5140         from RHS, not LHS.
5141         (gimplify_modify_expr_to_memset): Likewise.
5142         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
5143         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
5144         (declare_inline_vars): Likewise.
5145         (walk_type_fields): New function.
5146         (walk_tree): Use it.
5147         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
5148
5149         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
5150         (sra_walk_modify_expr): Allow init function to fail.
5151         (scan_init): Now returns bool.
5152         (generate_element_init): If can't understand INIT, return false.
5153         (scalarize_init): Return false if generate_element_init does.
5154
5155         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
5156         print bounds.
5157
5158         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
5159         bounds if bounds aren't constant.
5160
5161         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
5162
5163         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
5164         to type hooks; remove bogus PARAMS.
5165
5166 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
5167
5168         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
5169         * dwarf2out.c (add_data_member_location_attribute): Check for
5170         TREE_BINFO.
5171         * tree.c (tree_node_kinds): Add "binfos".
5172         (binfo_lang_slots): New.
5173         (make_node_stat): Add TREE_BINFO.
5174         (make_tree_binfo_stat): New.
5175         (tree_node_structure): Add TREE_BINFO.
5176         * tree.def (TREE_BINFO): New.
5177         * tree.h (REC_OR_UNION_CHECK): Rename to ...
5178         (RECORD_OR_UNION_CHECK): ... here.
5179         (NOT_RECORD_OR_UNION_CHECK): New.
5180         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
5181         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
5182         RECORD_OR_UNION_CHECK.
5183         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
5184         (TYPE_LANG_SLOT_1): New.
5185         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
5186         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
5187         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
5188         (BINFO_ELTS): Remove.
5189         (BINFO_LANG_SLOT): New.
5190         (struct tree_binfo): New.
5191         (binfo_lang_slots): Declare.
5192         (enum tree_node_structure_enum): Add TS_BINFO.
5193         (union tree_node): Add binfo.
5194         (make_tree_binfo_stat): Declare.
5195         (make_tree_binfo): New.
5196         (enum tree_node_kind): Add binfo_kind.
5197
5198         * objc/objc-act.c (start_class, objc_declare_protocols,
5199         start_protocols): Use TYPE_LANG_SLOT_1.
5200         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
5201         to ...
5202         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
5203         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
5204         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
5205         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
5206
5207 2004-07-05  Steven Bosscher  <stevenb@suse.de>
5208
5209         * rtl.h (struct rtx_def): Remove the integrated flag.
5210         Use the return_val flag for MEM_SCALAR_P.
5211         Reshuffle and update flags in CLEAR_RTX_FLAGS.
5212
5213 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
5214
5215         PR target/16357
5216         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
5217         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
5218         move_by_pieces.
5219
5220 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
5221
5222         * var-tracking.c: Fix some comments.
5223         (frame_stack_adjust): New.
5224         (vt_stack_adjustments): Init stack_adjust of entry block to
5225         minus stack adjustment of function prologue.
5226         (adjust_stack_reference): Do not adjust if adjustment == 0.
5227         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
5228         (emit_notes_in_bb): Likewise.
5229         (vt_add_function_parameters): Do not adjust locations of
5230         function arguments.
5231         (vt_initialize): Compute the stack adjustment of function
5232         prologue and offset the initial "location" of frame_base_decl
5233         from the stack pointer after prologue.
5234
5235 2004-07-04  Richard Henderson  <rth@redhat.com>
5236
5237         * function.c (struct assign_parm_data_all): New.
5238         (struct assign_parm_data_one): New.
5239         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
5240         assign_parm_find_data_types, assign_parms_setup_varargs,
5241         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
5242         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
5243         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
5244         assign_parm_setup_block, assign_parm_setup_reg,
5245         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
5246         (assign_parms): ... here.
5247
5248 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
5249
5250         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
5251         now are bitmap_set_t's.
5252         (bitmap_insert_into_set): No point in inserting the value if
5253         it's invariant.
5254         (bitmap_set_contains): New function.
5255         (bitmap_set_replace_value): Add comment on why we do it
5256         this way.
5257         (set_contains): Removed.
5258         (bitmap_set_subtract_from_value_set): New name of
5259         set_subtract now that it's arguments are two different
5260         types of sets.
5261         Update callers.
5262         (bitmap_find_leader): Change algorithm used.
5263         (find_or_generate_expression): Update use of functions for new
5264         bitmap sets.
5265         (create_expression_by_pieces): Ditto.
5266         (insert_aux): Ditto.
5267         (insert): Ditto.
5268         (add_to_sets): Ditto.
5269         (init_pre): Ditto.
5270         (execute_pre): Ditto.
5271         (compute_avail): Ditto.
5272         Also ignore virtual phis.
5273
5274 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5275
5276         * combine.c (simplify_comparison): Fix comment typo.
5277
5278 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5279
5280         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
5281         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
5282         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
5283         (output_restore): Change parameter from 'insn' to 'pat'.
5284         (output_return): Adjust call to output_restore.
5285         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
5286         Adjust call to output_restore.
5287
5288 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5289
5290         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
5291         and assert system is bsd.
5292
5293 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
5294
5295         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
5296         (TARGET_SWITCHES): Remove -mdebugc.
5297         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
5298         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
5299         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
5300         (sle_[sd]i_reg): Delete.
5301
5302 2004-07-04  Steven Bosscher  <stevenb@suse.de>
5303
5304         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
5305         Define.
5306         * config/iq2000/iq2000.md: Translate old pipeline description to an
5307         equivalent new one.
5308
5309 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5310
5311         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
5312         Ensure the replacement rhs is valid gimple before performing
5313         the substitution.  Return false if these sanity checks fail.
5314         (fold_stmt): Only set changed to true, if set_rhs returns true.
5315         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
5316         succeeds.
5317
5318 2004-07-04  Richard Henderson  <rth@redhat.com>
5319
5320         PR c/16348
5321         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
5322
5323 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
5324
5325         * configure.ac (ranlib_flags): New variable.
5326         * Makefile.in (RANLIB_FLAGS): New variable.
5327         (libbackend.a): Use it.
5328         * configure: Regenerated.
5329
5330 2004-07-04  Roger Sayle  <roger@eyesopen.com>
5331
5332         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
5333         a "sign mask" instead of using ashr_optab directly.
5334
5335 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
5336
5337         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
5338         * doc/cppopts.texi: Clarify processing of command-line defines.
5339
5340 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
5341
5342         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
5343
5344 2004-07-04  Richard Henderson  <rth@redhat.com>
5345
5346         * rtl.def (ADDRESSOF): Remove.
5347         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
5348         (find_base_term, memrefs_conflict_p): Likewise.
5349         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
5350         (fold_rtx, cse_insn, set_live_p): Likewise.
5351         * dwarf2out.c (mem_loc_descriptor): Likewise.
5352         (add_location_or_const_value_attribute): Likewise.
5353         * emit-rtl.c (copy_insn_1): Likewise.
5354         * explow.c (memory_address): Likewise.
5355         * expmed.c (store_split_bit_field): Likewise.
5356         * expr.c (expand_expr_real_1): Likewise.
5357         * function.c (instantiate_decl
5358         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
5359         * genrecog.c (preds, validate_pattern): Likewise.
5360         * integrate.c (copy_rtx_and_substitute): Likewise.
5361         * recog.c (general_operand, register_operand): Likewise.
5362         (memory_address_p): Likwise.
5363         * reload1.c (eliminate_regs, elimination_effects): Likewise.
5364         * rtl.c (copy_rtx): Likewise.
5365         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5366         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
5367         * rtlhooks.c (gen_lowpart_general): Likewise.
5368         * stmt.c (expand_asm_operands): Likewise.
5369         * web.c (entry_register, replace_ref, web_main): Likewise.
5370         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
5371         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
5372         * config/arm/arm.c (thumb_rtx_costs): Likewise.
5373         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
5374         * config/frv/frv.c (move_destination_operand, move_source_operand,
5375         condexec_dest_operand, condexec_source_operand,
5376         condexec_memory_operand): Likewise.
5377         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
5378         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
5379         (destination_xfmode_operand): Likewise.
5380         * config/mips/mips.h (PREDICATE_CODES): Likewise.
5381         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
5382         * config/s390/s390.c (general_s_operand): Likewise.
5383         * config/s390/s390.md (mov*): Likewise.
5384         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
5385
5386         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
5387         * expr.c (expand_expr_real_1): Likewise.
5388         * stmt.c (expand_decl): Likewise.
5389         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5390
5391         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
5392         postponed_insns, put_var_into_stack, put_reg_into_stack,
5393         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
5394         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
5395         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
5396         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
5397         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
5398         purge_bitfield_addressof_replacements, purge_addressof_replacements,
5399         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
5400         struct insns_for_mem_walk_info, insns_for_mem_walk,
5401         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
5402         setjmp_protect_args): Remove.
5403         (push_function_context_to): Don't handle var_refs_queue.
5404         (pop_function_context_from, free_after_compilation): Likewise.
5405         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
5406         (assign_parms, allocate_struct_function): Likewise.
5407         (use_register_for_decl): New.
5408         (expand_function_end): Don't setjmp_protect.
5409         * function.h (struct emit_status): Update commentary.
5410         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
5411         (max_parm_reg, parm_reg_stack_loc): Remove.
5412         * passes.c (DFI_addressof): Remove.
5413         (dump_file_info): Remove addressof.
5414         (rest_of_handle_addressof): Remove.
5415         (rest_of_compilation): Don't call it.
5416         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
5417         * stmt.c (expand_decl): Use use_register_for_decl.
5418         * tree.h: Update decls.
5419         * web.c (mark_addressof): Remove.
5420         * doc/invoke.texi (-dF): Remove.
5421
5422 2004-07-03  Richard Henderson  <rth@redhat.com>
5423
5424         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
5425         instead of gen_mem_addressof.
5426         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
5427         TImode output register.
5428
5429 2004-07-03  Richard Henderson  <rth@redhat.com>
5430
5431         PR tree-optimization/16341
5432         * tree-sra.c (sra_walk_function): Increment to next stmt before
5433         processing the current stmt.
5434         (sra_insert_after): Always use BSI_SAME_STMT.
5435
5436 2004-07-03  Richard Henderson  <rth@redhat.com>
5437
5438         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
5439         fp plus with minus.
5440
5441 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5442
5443         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
5444         with tree_int_cst_equal.
5445
5446 2004-07-03  Andreas Schwab  <schwab@suse.de>
5447
5448         * config/ia64/ia64.md: Define new attribute "empty".
5449         (prologue_use, nop_x, insn_group_barrier): Set it.
5450
5451         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
5452         skip over "empty" insns.
5453
5454 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5455
5456         * tree-inline.c (initialize_inlined_parameters): Pass proper function
5457         context to gimplify_body.
5458         (walk_tree): Don't walk into types twice.
5459         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
5460
5461         * tree-sra.c (generate_element_init): Remove any useless conversions.
5462
5463         * gimplify.c (gimplify_conversion): Remove stripping useless
5464         conversions from here.
5465         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
5466         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
5467         Unshare before substituting PLACEHOLDER_EXPR.
5468         (gimplify_modify_expr_to_memset): Likewise.
5469         Pass address of TO to memset, not TO itself.
5470         (gimplify_init_constructor): Make copy of OBJECT so we have it each
5471         time we make an expression (to match a PLACEHOLDER_EXPR).
5472
5473         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
5474         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
5475         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
5476         * tree-ssa-dom.c (local_fold): Likewise.
5477
5478         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
5479         * langhooks.h (strct lang_hooks): New field type_max_size.
5480         * function.c (assign_temp): Call it.
5481
5482 2004-07-03  Steven Bosscher  <stevenb@suse.de>
5483
5484         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
5485         * config/sh/sh.md: Convert the SH1 pipeline description to
5486         a DFA model.
5487
5488 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
5489
5490         * c-decl.c (struct c_binding): Remove contour field; add
5491         depth, invisible, nested fields.
5492         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
5493         (B_IN_EXTERNAL_SCOPE): New convenience macros.
5494         (bind): Add invisible and nested arguments. Initialize
5495         new fields of struct c_binding; adjust loop scanning for
5496         insertion point.
5497         (free_binding_and_advance): Clear structure with memset.
5498         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
5499         in file scope, even if it's in external scope too.
5500         (pushdecl): Adjust to match.  Create invisible file-scope
5501         declarations for block-scope forward declarations of static functions.
5502         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
5503         (undeclared_variable, lookup_label, declare_label, define_label)
5504         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
5505         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
5506         (store_parm_decls_oldstyle): Adjust to match.
5507         (diagnose_mismatched_decls): Correct handling of linkage clashes.
5508         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
5509
5510         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
5511         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
5512
5513 2004-07-02  Richard Henderson  <rth@redhat.com>
5514
5515         * c-decl.c (grokdeclarator): Don't frob current_function_decl
5516         around variable_size.
5517         (set_decl_nonlocal): Remove.
5518         (store_parm_decls): Add stmts for pending sizes.
5519         * calls.c (calls_function, calls_function_1): Remove.
5520         (precompute_arguments): Don't call it.
5521         * cfgexpand.c (set_save_expr_context): Remove.
5522         (tree_expand_cfg): Don't call it.
5523         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
5524         (dwarf2out_finish): Likewise.
5525         * expr.c (emit_block_move): Adjust addresses to BLKmode.
5526         (store_constructor): Don't pre-evaluate SAVE_EXPR.
5527         (safe_from_p): Don't queue SAVE_EXPRs.
5528         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
5529         or build plain VAR_DECLs.
5530         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
5531         (fold): Likewise.
5532         (fold_checksum_tree): Don't special-case SAVE_EXPR.
5533         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
5534         (put_var_into_stack): Don't handle SAVE_EXPR.
5535         (gen_mem_addressof): Likewise.
5536         * function.h (struct function): Remove x_save_expr_regs.
5537         (save_expr_regs): Remove.
5538         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
5539         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
5540         * stor-layout.c (variable_size): Don't set it.
5541         (force_type_save_exprs, force_type_save_exprs_1): Remove.
5542         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
5543         all callers.  Don't set SAVE_EXPR_CONTEXT.
5544         * tree-inline.h (remap_save_expr): Update decl.
5545         * tree.c (save_expr): Update build size.
5546         (first_rtl_op): Don't handle SAVE_EXPR.
5547         (unsave_expr_1, contains_placeholder_p): Likewise.
5548         (decl_function_context): Likewise.
5549         * tree.def (SAVE_EXPR): Remove args 1 and 2.
5550         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
5551         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
5552
5553 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5554
5555         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
5556         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
5557         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
5558         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
5559         some first-person references and patronizing comments.  Based on
5560         printed manual.
5561         * doc/invoke.texi: Don't reference fortran@gnu.org.
5562         * doc/trouble.texi (Warning when a non-void function value is
5563         ignored): Rewrite.  From Russ Allbery and Chris Devers.
5564
5565 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
5566
5567         * tree-ssa-pre.c (bitmap_set_t): New.
5568         (bb_value_sets): avail_out is now a bitmap_set_t.
5569         (bitmap_find_leader): New function.
5570         (bitmap_value_insert_into_set): Ditto.
5571         (bitmap_set_copy): Ditto.
5572         (bitmap_value_replace_in_set): Ditto.
5573         (bitmap_set_contains_value): Ditto.
5574         (bitmap_set_new): Ditto.
5575         (bitmap_set_pool): New pool.
5576         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
5577         (insert_aux): Ditto.
5578         (add_to_sets): Ditto.
5579         (compute_avail): Ditto
5580         (eliminate): Ditto.
5581         (init_pre): Ditto.
5582         (fini_pre): Ditto.
5583         (execute_pre): Ditto.
5584
5585 2004-07-02  Roger Sayle  <roger@eyesopen.com>
5586
5587         * config/rs6000/rs6000.c (struct processor_costs): New structure
5588         used to hold instruction latencies/sizes for processor types.
5589         (rs6000_cost): New global variable pointing to current CPU's costs.
5590         (rs6000_override_options): Initialize rs6000_cost to point to the
5591         appropriate cost table based upon rs6000_cpu and optimize_size.
5592         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
5593         timings inline.
5594
5595 2004-07-02  Richard Henderson  <rth@redhat.com>
5596
5597         * expmed.c (make_tree): Don't use SET_DECL_RTL.
5598
5599 2004-07-02  Steven Bosscher  <stevenb@suse.de>
5600
5601         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
5602
5603 2004-07-01  Richard Henderson  <rth@redhat.com>
5604
5605         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
5606         (alpha_gp_save_rtx): Use assign_stack_local instead of
5607         gen_mem_addressof.
5608
5609 2004-07-01  Richard Henderson  <rth@redhat.com>
5610
5611         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
5612         (alpha_rtx_cost_data): Update to match.
5613         (alpha_rtx_cost_size): New.
5614         (alpha_rtx_costs): Honor optimize_size.
5615
5616 2004-07-01  Richard Henderson  <rth@redhat.com>
5617
5618         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
5619         * cfgexpand.c (tree_expand_cfg): Do it here.
5620         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
5621         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
5622         * config/mips/mips.c (mips_output_mi_thunk): And here.
5623         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
5624         * config/sh/sh.c (sh_output_mi_thunk): And here.
5625         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
5626
5627 2004-07-01  Richard Henderson  <rth@redhat.com>
5628
5629         * tree.def (RTL_EXPR): Remove.
5630         * c-typeck.c (lvalue_p): Don't handle it.
5631         * expr.c (safe_from_p): Likewise.
5632         (expand_expr_real_1): Likewise.
5633         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
5634         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
5635         * gengtype.c (adjust_field_tree_exp): Likewise.
5636         * stmt.c (warn_if_unused_value): Likewise.
5637         * tree-gimple.c (recalculate_side_effects): Likewise.
5638         * tree-pretty-print.c (dump_generic_node): Likewise.
5639         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
5640         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
5641         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
5642
5643         * stmt.c (struct stmt_status): Remove x_last_expr_type,
5644         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
5645         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
5646         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
5647         all the bits that tracked last_expr.
5648         (expand_end_bindings): Don't track last_expr.
5649         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
5650         (clear_last_expr): Remove.
5651         (expand_asm): Don't call it.
5652         (expand_asm_operands, expand_end_cond): Likewise.
5653         (expand_naked_return, expand_null_return_1): Likewise.
5654         * c-typeck.c (c_begin_compound_stmt): Likewise.
5655         * cfgexpand.c (expand_block): Use expand_expr_stmt.
5656         * expr.c (expand_expr_real_1): Likewise.
5657         * tree.h: Update prototypes.
5658
5659         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
5660         (struct emit_status): Remove sequence_rtl_expr.
5661         (struct function): Remove x_rtl_expr_chain.
5662         (seq_rtl_expr, rtl_expr_chain): Remove.
5663         * function.c (struct temp_slot): Remove rtl_expr.
5664         (assign_stack_temp_for_type): Don't set it.
5665         (free_temp_slots, pop_temp_slots): Don't check it.
5666         (free_after_compilation): Don't clear x_rtl_expr_chain.
5667         (fixup_var_refs): Don't search it.
5668         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
5669         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
5670         or seq_rtl_expr.
5671         (push_topmost_sequence): Likewise.
5672         (end_sequence, init_emit): Likewise.
5673         (start_sequence_for_rtl_expr): Remove.
5674         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
5675         * rtl.h (preserve_rtl_expr_result): Remove.
5676
5677 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
5678
5679         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
5680         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
5681         typos.
5682
5683 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5684
5685         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
5686         (STANDARD_STARTFILE_PREFIX_2): Define.
5687         (standard_startfile_prefix_1): Initialize to
5688         STANDARD_STARTFILE_PREFIX_1.
5689         (standard_startfile_prefix_2): Initialize to
5690         STANDARD_STARTFILE_PREFIX_2.
5691         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
5692         (STANDARD_STARTFILE_PREFIX_1): Define.
5693         (STANDARD_STARTFILE_PREFIX_2): Define.
5694         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
5695         (STANDARD_STARTFILE_PREFIX_2): Document.
5696
5697 2004-07-01  Richard Henderson  <rth@redhat.com>
5698
5699         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
5700         in order to disable scalarization.  Instead set a flag and wait
5701         for a candidate decl.
5702
5703 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5704
5705         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
5706         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
5707         Use terminology "testsuite" and "enumerated".
5708
5709 2004-07-01  Richard Henderson  <rth@redhat.com>
5710
5711         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
5712         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
5713         (initial_return_save): Likewise.
5714         (flush_queued_reg_saves): Remap register numbers.
5715         (dwarf2out_return_reg): Likewise.
5716
5717 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5718
5719         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
5720
5721         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
5722         access functions for lower bound and element size and only output
5723         if lower bound nonzero or element size not same as that of type.
5724         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
5725
5726 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5727
5728         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
5729
5730 2004-07-01  Per Bothner  <per@bothner.com>
5731
5732         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
5733
5734 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
5735
5736         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
5737         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
5738         first operand.  Don't optimize if the bitfield is volatile.
5739
5740 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5741
5742         * c-pretty-print.c (pp_c_postfix_expression): Handle
5743         floating-point comparison operators.
5744         (pp_c_expression): Pass floating-point comparison
5745         operators to pp_c_postfix_expression.
5746
5747 2004-07-01  Roger Sayle  <roger@eyesopen.com>
5748
5749         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
5750         rtx_cost instead of "had_mult" to determine whether the transformed
5751         expression is cheaper than the original.
5752
5753 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
5754
5755         * alias.c (get_alias_set, canon_rtx, get_addr,
5756         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
5757         Use MEM_P.
5758         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
5759         expand_builtin): Likewise.
5760         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
5761         Likewise.
5762         * combine.c (can_combine_p, combinable_i3pat, try_combine,
5763         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
5764         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
5765         record_dead_and_set_regs_1, get_last_value_validate,
5766         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
5767         * cse.c (check_dependence, canon_hash, equiv_constant,
5768         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
5769         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
5770         count_reg_usage): Likewise.
5771         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
5772         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
5773         cselib_record_sets): Likewise.
5774         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
5775         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
5776         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
5777         * df.c (df_uses_record): Likewise.
5778         * dojump (do_jump): Likewise.
5779         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
5780         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
5781         decl_start_label): Likewise.
5782         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
5783         operand_subword, change_address_1, make_safe_from): Likewise.
5784         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
5785         stabilize, force_not_mem): Likewise.
5786         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
5787         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
5788         * expr.c (convert_move, convert_modes, emit_block_move,
5789         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
5790         emit_move_insn_1, expand_assignment, store_expr,
5791         store_constructor_field, store_constructor, store_field,
5792         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
5793         Likewise.
5794         * final.c (cleanup_subreg_operands, alter_subreg,
5795         get_mem_expr_from_op): Likewise.
5796         * flow.c (notice_stack_pointer_modification_1,
5797         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
5798         Likewise.
5799         * function.c (mark_temp_addr_taken, preserve_temp_slots,
5800         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
5801         optimize_bit_field, flush_addressof, purge_addressof_1,
5802         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
5803         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
5804         keep_stack_depressed): Likewise.
5805         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
5806         noce_process_if_block, find_memory): Likewise.
5807         * integrate.c (subst_constants, allocate_initial_values): Likewise.
5808         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
5809         update_equiv_regs): Likewise.
5810         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
5811         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
5812         * optabs.c (expand_abs, emit_unop_insn): Likewise.
5813         * passes.c (rest_of_handle_final): Likewise.
5814         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
5815         move2add_note_store): Likewise.
5816         * ra-build.c (detect_remat_webs): Likewise.
5817         * ra-debug.c (dump_static_insn_cost): Likewise.
5818         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
5819         * recog.c (validate_change, apply_change_group, cancel_changes,
5820         validate_replace_rtx_1, general_operand, register_operand,
5821         nonmemory_operand, push_operand, pop_operand, memory_operand,
5822         indirect_operand, asm_operand_ok, offsettable_memref_p,
5823         offsettable_nonstrict_memref_p, constrain_operands,
5824         store_data_bypass_p): Likewise.
5825         * reg-stack.c (subst_stack_regs_pat): Likewise.
5826         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
5827         copy_cost, reg_scan_mark_refs): Likewise.
5828         * regmove.c (optimize_reg_copy_3, stack_memref_p,
5829         combine_stack_adjustments_for_block): Likewise.
5830         * regrename.c (copyprop_hardreg_forward_1): Likewise.
5831         * reload.c (can_reload_into, push_reload, decompose, immune_p,
5832         find_reloads, find_reloads_address, find_reloads_address_1,
5833         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
5834         find_equiv_reg): Likewise.
5835         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
5836         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
5837         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
5838         delete_address_reloads): Likewise.
5839         * resource.c (mark_referenced_resources): Likewise.
5840         * rtlanal.c (get_jump_table_offset, count_occurrences,
5841         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
5842         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
5843         num_sign_bit_copies1): Likewise.
5844         * rtlhooks.c (gen_lowpart_general): Likewise.
5845         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
5846         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
5847         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
5848         sdbout_global_decl): Likewise.
5849         * simplify-rtx.c (simplify_subreg): Likewise.
5850         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
5851         expand_anon_union_decl, expand_end_case_type): Likewise.
5852         * unroll.c (calculate_giv_inc): Likewise.
5853         * var-tracking.c (stack_adjust_offset_pre_post,
5854         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
5855         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
5856         vt_add_function_parameters): Likewise.
5857         * varasm.c (make_var_volatile, notice_global_symbol,
5858         assemble_external, decode_addr_const, mark_weak,
5859         default_encode_section_info): Likewise.
5860
5861 2004-07-01  Steven Bosscher  <stevenb@suse.de>
5862
5863         * stmt.c (check_seenlabel): Remove.
5864         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
5865
5866 2004-07-01  Richard Henderson  <rth@redhat.com>
5867
5868         * function.h (struct function): Remove x_function_call_count.
5869         (function_call_count): Remove.
5870         * calls.c (expand_call): Don't set it.
5871         * integrate.c (copy_rtx_and_substitute): Likewise.
5872
5873         * function.h (struct function): Remove x_cleanup_label.
5874         (cleanup_label): Remove.
5875         * stmt.c (expand_value_return): Don't use it.
5876         * function.c (free_after_compilation): Don't set it.
5877         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
5878         * cfgexpand.c (tree_expand_cfg): Update call.
5879         * tree.h (expand_function_start): Update decl.
5880
5881 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
5882
5883         PR c/1027
5884         * c-lang.c (c_initialize_diagnostics): Move from here ...
5885         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
5886         (c_tree_printer): Use pretty-printer to format %T.
5887         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
5888         before '*' if not C++.
5889         (pp_c_direct_abstract_declarator): Don't try to print array upper
5890         bound for flexible array members.
5891         * c-tree.h: Include "diagnostic.h".
5892         (c_initialize_diagnostics): Declare.
5893         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
5894         * c-format.c (format_type_warning): New function.  Improve
5895         diagnostics for incorrect format argument types.
5896         (check_format_types): Use it.  Add two parameters.  Use the
5897         TYPE_MAIN_VARIANT of wanted_type.
5898         (check_format_info_main): Pass new parameters to
5899         check_format_types.
5900         (struct format_wanted_type): Update comment.
5901
5902 2004-07-01  Nick Clifton  <nickc@redhat.com>
5903
5904         * target.h (struct gcc_target): Add new field to struct cxx:
5905         import_export_class.
5906         * target-def.h (TARGET_CXX): Initialise the new field.
5907         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
5908         the new field.
5909         * doc/tm.texi: Document the new target hook.
5910
5911 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5912
5913         * builtins.c (fold_builtin_classify): Fix typo.
5914
5915 2004-07-01  Richard Henderson  <rth@redhat.com>
5916
5917         * function.c (identify_blocks, identify_blocks_1): Remove.
5918         * function.h (identify_blocks): Remove.
5919         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
5920
5921 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
5922
5923         * builtins.c (fold_builtin_classify): New.
5924         (fold_builtin_unordered_cmp): Fix commentary.
5925         (fold_builtin): Use it.
5926         * builtins.def: Define builtins for isnan,
5927         isnanf, isnanl, finite, finitef, finitel,
5928         isinf, isinff, isinfl.
5929
5930 2004-07-01  Richard Henderson  <rth@redhat.com>
5931
5932         * function.h (struct function): Remove dont_emit_block_notes.
5933         * gimple-low.c (lower_function_body): Don't set it.
5934         * cfgexpand.c (expand_block): Don't check it.
5935         * cfglayout.c (insn_locators_initialize): Likewise.
5936         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
5937         * passes.c (rest_of_compilation): Likewise.
5938         * stmt.c (expand_start_bindings_and_block): Likewise.
5939         (expand_end_bindings): Likewise.
5940
5941 2004-07-01  Richard Henderson  <rth@redhat.com>
5942
5943         * cgraph.h (cgraph_build_static_cdtor): Declare.
5944         * cgraphunit.c (cgraph_build_static_cdtor): New.
5945         * c-objc-common.c (build_cdtor): Use it.
5946         * coverage.c (create_coverage): Likewise.
5947         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
5948         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
5949
5950 See ChangeLog.11 for earlier changes.