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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
2
3         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
4         (struct tree_binfo): Remove primary field.
5
6 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
7
8         * fixinc/Makefile.in (machname.h): Remove.
9         (fixincl.x): Do not pass $@ to genfixes.
10         * fixinc/genfixes: Remove code to produce machname.h.
11         * fixinc/fixincl.sh: Move it here instead.
12         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
13         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
14         return a bool indicating whether pz_mn_name_pat is NULL.
15         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
16         Declare extern C variables for the ENV_TABLE.
17         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
18         instead use the result of mn_get_regexps.
19         * fixinc/fixtests.c: Likewise.
20
21 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
22
23         * configure.ac: Do not run fixincludes after stage1 during
24         toplevel bootstrap.
25         * configure: Regenerate.
26
27 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
28
29         * sched-deps.c (get_condition): Partially revert previous, by never
30         trying to extract the condition from a condjump.
31
32 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
33
34         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
35         (handle_visibility_attribute, c_determine_visibility): Likewise.
36         * c-common.h (my_friendly_assert): Remove.
37
38 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
39
40         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
41         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
42         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
43         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
44         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
45
46 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
47
48         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
49         in COMPONENT_REF nodes.
50
51 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
52
53         PR c++/15378
54         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
55         global_dc->warning_as_error_requested.
56         * diagnostic.c (diagnostic_initialize): Tidy.
57         * diagnostic.h (diagnostic_context::x_data): Remove
58         (diagnostic_context::issue_warnings_are_errors_message): Rename
59         from warnings_are_errors_message.
60         (diagnostic_context::warning_as_error_requested): New.
61
62 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
63
64         * sched-deps.c (get_condition): Fix breakage in previous patch.
65
66 2004-08-30  Paul Brook  <paul@codesourcery.com>
67
68         * doc/install.texi: Fix broken mpfr link.
69
70 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
71
72         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
73         other FreeBSD platforms.
74
75 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
76
77         * arm.h (REVERSE_CONDITION): Define.
78         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
79
80 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
81
82         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
83         just the codes, call reversed_comparison_code ().
84         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
85         (not_reg_cond): Use reversed_comparison_code.
86         (and_reg_cond): Likewise.
87         * ifcvt.c (cond_exec_process_if_block): Likewise.
88         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
89
90 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
91
92         * sched-deps.c (get_condition): Rewrite using jump support functions.
93         Use reversed_comparison_code.
94         (conditions_mutex_p): Use reversed_comparison_code.
95
96 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
97
98         * config/mips/mips.c (override_options): Disable hot/cold partitioning
99         for MIPS16.
100
101 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
102
103         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
104         (mips_function_type): Move to mips.c.
105         * config/mips/mips.c (mips_builtin_type): New enum.
106         (builtin_description): Replace code and ftype with builtin_type
107         and function_type.
108         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
109         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
110         (CODE_FOR_mips_abs_ps): Define.
111         (mips_bdesc): Use new macros.
112         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
113         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
114         (mips_expand_builtin_direct): New function.
115         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
116         builtin.  Replace boolean parameter with builtin_type.
117         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
118         (mips_expand_4s_compare_builtin): Delete, replacing with...
119         (mips_expand_builtin_compare): ...this new function.
120
121 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
122
123         PR rtl-optimization/16590
124         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
125
126 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
127
128         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
129         * tree-ssa-propagate.c: Fix documentation.
130
131 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
132
133         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
134         (mov[sd]fcc): Likewise.
135
136 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
137
138         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
139
140 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
141
142         * config/mips/mips.md (divide_condition): New mode attribute.
143         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
144         (sqrt[sd]f3): Redefine using SCALARF.
145         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
146         patterns.
147
148 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
149
150         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
151         (loadx, storex, fmt, UNITMODE): New mode attributes.
152         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
153         (mul[sd]f3): Redefine using :SCALARF.
154         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
155         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
156         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
157         Check TARGET_FUSED_MADD for V2SF too.
158         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
159         were already named.
160         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
161         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
162
163 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
164
165         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
166         V2SF_type_node if it will be needed.
167
168 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
169
170         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
171         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
172         (mips_prepare_builtin_target): New function.
173         (mips_expand_builtin): Use them.  Update calls to subroutines.
174         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
175         cmp_choice with a boolean argument to select between movt and movf.
176         Take the comparison's icode as an argument, not the function's fcode.
177         (mips_expand_compare_builtin): New function.  Rename existing function
178         to mips_expand_scalar_compare_builtin.
179         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
180         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
181         comparison's icode as an argument, not the builtin's fcode.
182
183 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
184
185         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
186         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
187         registers are false and -1 if all registers are true.
188         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
189         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
190         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
191         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
192         (bc1any2t, bc1any2f): Likewise CCV2.
193         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
194
195 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
196
197         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
198         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
199         UNSPEC rather than an IF_THEN_ELSE.
200         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
201         mips_cond_move_tf_ps by name.
202
203 2004-08-29  Chao-ying Fu  <fu@mips.com>
204             James E Wilson  <wilson@specifixinc.com>
205         
206         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
207         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
208         * config/mips/mips-ps-3d.md: New file.
209         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
210         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
211         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
212         (mips_output_move): Emit "mov.ps" for V2SFmode.
213         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
214         MODE_VECTOR_FLOAT.
215         (override_options): Check if TARGET_MIPS3D and there was an explicit
216         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
217         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
218         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
219         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
220         and allow CCV2 and CCV4 to occupy two and four CC registers.
221         (print_fcc_operand): New function.
222         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
223         %Z to call print_fcc_operand.
224         (mips_function_value): Handle MODE_VECTOR_FLOAT.
225         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
226         (mips_vector_mode_supported_p): New function.
227         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
228         (builtin_description): New struct.
229         (mips_bdesc): New array of struct builtin_description.
230         (mips_expand_builtin, mips_init_builtins,
231         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
232         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
233         functions.
234         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
235         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
236         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
237         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
238         "-mips3d", and "-mno-mips3d".
239         (ASM_SPEC): Map -mips3d to -mips3d in gas.
240         (EXTRA_CONSTRAINT_Y): New macro.
241         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
242         multi-letter constraint 'Y'.
243         (CONSTRAINT_LEN): New macro.
244         (enum mips_builtins): New for MIPS builtin functions.
245         (enum mips_function_type): New for the types of MIPS builtin functions.
246         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
247         * config/mips/mips.md: New constants for paired single and MIPS-3D 
248         instructions.  Include the new mips-ps-3d.md file.
249         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
250         movv2sf_hardfloat_64bit): New named patterns.
251         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
252         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
253         sdxc1_v2sf_di): New unnamed patterns.
254         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
255         const_vector support.
256         (const_0_or_1_operand): New predicate.
257         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
258
259 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
260
261         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
262         (tree-ssa-propagate.o): New rule.
263         (GTFILES): Add tree-ssa-propagate.c.
264         * tree-flow.h (struct stmt_ann_d): Remove field
265         in_ccp_worklist.
266         * tree-ssa-propagate.c: New file.
267         * tree-ssa-propagate.h: New file.
268         * tree-ssa-ccp.c: Re-write to use the routines from
269         tree-ssa-propagate.c.
270
271 2004-08-28  Andrew Pinski  <apinski@apple.com>
272
273         * tree-ssa-loop.c: Remove extra include of basic-block.h.
274
275 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
276
277         * c-common.h: Update comments about ObjC/ObjC++ entry points.
278         (objc_is_reserved_word): New prototype.
279         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
280         separate section; these are call-backs.
281         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
282         ObjC/ObjC++ "@" keywords.
283         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
284         prototypes; they already live in c-common.h.
285         * stub-objc.c: Update copyright notice.
286         (objc_is_reserved_word): New stub.
287
288 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
289
290         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
291         even when not checking.
292
293 2004-08-27  Jason Merrill  <jason@redhat.com>
294
295         PR c++/13684
296         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
297         (gimple_push_cleanup): Add eh_only parm.
298         (gimplify_target_expr): Pass it.
299         * c.opt (-fno-threadsafe-statics): New option.
300         * c-opts.c (c_common_handle_option): Handle it.
301         * c-common.h (flag_threadsafe_statics): Declare it.
302         * c-common.c (flag_threadsafe_statics): Record it.
303         * doc/invoke.texi: Document it.
304         * tsystem.h (_GNU_SOURCE): Define.
305         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
306         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
307         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
308         (__gthread_recursive_mutex_init_function): New fn.
309         (__gthread_recursive_mutex_lock): New fn.
310         (__gthread_recursive_mutex_trylock): New fn.
311         (__gthread_recursive_mutex_unlock): New fn.
312         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
313         * gthr-win32.h, gthr-vxworks.h: Likewise.
314         * gthr.h: Document.
315
316 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
317
318         * config/rs6000/rs6000.c (rs6000_override_options): Increase
319         maximum skip to 15.  Set function alignment, jump alignment, and
320         loop alignment to 16 for processors that form dispatch groups.
321         (rs6000_rtx_costs): outer_code is used.
322
323 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
324
325         * stor-layout.c (sizetype_set): Remove.
326         (set_sizetype): Don't test or set it.
327
328         * tree.h (size_int_type): Remove.
329         * fold-const.c: Do not #include gt-fold-const.h.
330         (size_htab_hash, size_htab_eq): Remove.
331         (size_int_kind): Use build_int_cst.
332         (new_const, size_htab): Remove.
333         (size_int_type): Remove.
334         (round_up): Use build_int_cst.
335         (round_down): Likewise. Remove spurious constant build.
336
337 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
338
339         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
340         Add is_release variable, use it for --enable-werror and
341         --enable-checking defaults.
342         * system.h (gcc_assert, gcc_unreachable): New.
343         * doc/install.texi (--enable-checking): Update.
344         * configure, config.in: Rebuilt.
345
346 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
347
348         * rtl.h (read_rtx): Change prototype.
349         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
350         line number.  Return true on success.
351         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
352         callers accordingly.
353
354 2004-08-26  Richard Henderson  <rth@redhat.com>
355
356         * c-typeck.c (build_offsetof): Remove.
357         * c-tree.h (build_offsetof): Remove.
358         * c-common.c (fold_offsetof_1, fold_offsetof): New.
359         * c-common.h (fold_offsetof): Declare.
360         * c-parse.in (offsetof_base): New.
361         (offsetof_member_designator): Use it.  Build references, not just
362         a tree list.
363         (primary): Use fold_offsetof, not build_offsetof.
364
365 2004-08-26  Richard Henderson  <rth@redhat.com>
366
367         * tree.c (staticp): Return the static object.
368         * tree.h (staticp): Update decl.
369         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
370         * langhooks.c (lhd_staticp): Return NULL_TREE.
371         * langhooks-def.h (lhd_staticp): Update decl.
372         * c-common.c (c_staticp): Return the static object.
373         * c-common.h (c_staticp): Update decl.
374
375 2004-08-26  Richard Henderson  <rth@redhat.com>
376
377         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
378         modes.
379
380 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
381
382         PR c/13801
383         * c-decl.c (struct c_binding): Add type and inner_comp fields.
384         (bind): Set type and inner_comp fields.
385         (pop_scope): Restore type of decl to the correct type from an
386         outer scope.  Give error when popping file scope for incomplete
387         arrays completed incompatibly with default initialization in an
388         inner scope.
389         (diagnose_mismatched_decls): Handle externs with initializers at
390         block scope.
391         (pushdecl): Set type of external declaration at block scope based
392         only on the visible declarations.  Save type when changing the
393         type of a declaration.  Merge an external declaration at block
394         scope with a visible static declaration at file scope.
395         (implicitly_declare): Give recycled old declaration the new type
396         except for incompatible declarations of built-in functions, saving
397         the old type.
398
399 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
400
401         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
402
403 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
404
405         * tree-alias-common.c (gate_pta): New function.
406         (pass_build_pta): Use it.
407         (pass_del_pta): Use it.
408         (delete_alias_vars): Don't check flag_tree_points_to.
409
410 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
411
412         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added 
413         TFmode as additional register mode cloberred by call.
414
415 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
416
417         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
418         parallel pattern for library call returning DImode in
419         mixed mode.
420
421 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
422
423         * config/rs6000/rs6000.c (function_arg): Generate parallel
424         pattern for more split args.
425
426 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
427
428         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
429         either gen_movdi_di_update or gen_movdi_si_update depending on
430         target mode.
431         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
432         to generate two versions.
433  
434 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
435
436         * Makefile.in (lambda-code.o): New.
437         (lambda-trans.o): Ditto.
438         (TREE_DATA_REF_H): Ditto.
439         (LAMBDA_H): Ditto.
440         (lambda-mat.o): Use LAMBDA_H.
441         (tree-data-ref.o): Ditto.
442         * lambda-code.c: New file.  Lambda code generation algorithm.
443         * lambda-trans.c: Ditto. Lambda transformation matrix support.
444         * lambda.h: Add lambda loop structures.
445         Add lambda loopnest structures.
446         Add lambda body vector structure.
447         Add lambda linear expression structures.
448         Add prototypes for functions in new files.
449         * lambda-mat.c: Include tree.h
450
451 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
452             Sebastian Pop  <pop@cri.ensmp.fr>   
453         
454         * tree-data-ref.h: Include lambda.h     
455         (free_dependence_relation): Declared here.
456         (free_dependence_relations): Ditto.     
457         (free_data_refs): Ditto.
458         * tree-data-ref.c (free_dependence_relation): New function.
459         (free_dependence_relations): Ditto.
460         (free_data_refs): Ditot.
461         (analyze_all_data_dependences): Free datarefs and dependence_relations.
462         (build_classic_dist_vector): Store in the dependence_relations the
463         information. Each arc in the dependence_relations graph is labelled
464         with the distance and direction vectors.
465         (build_classic_dir_vector): Ditto.
466         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
467         Now computes again the whole dependence graph including read-read
468         relations.
469         (compute_data_dependences_for_loop): Now dependence_relations contains
470         all the data, and thus it doesn't need to initialize the classic_dir
471         and classic_dist vectors.
472         (analyze_all_data_dependences): Adjusted for using the new interface of
473         compute_data_dependences_for_loop.  Remove the statistics dump.
474         
475 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
476
477         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
478         (xtensa_expand_block_move): Update comment.
479         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
480
481 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
482
483         PR target/13506
484         * toplev.c (crash_signal): If we crashed while emitting
485         a user asm, then die more gracefully.
486
487 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
488
489         PR target/17119.
490         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
491         checking for a valid constant, regardless of sign.
492
493 2004-08-25  Richard Henderson  <rth@redhat.com>
494
495         PR target/16974
496         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
497         if the constant satisfies add_operand.
498
499 2004-08-25  Richard Henderson  <rth@redhat.com>
500  
501         PR debug/10695
502         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
503         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
504         unwind info for >16-bit frames.
505
506 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
507
508         PR target/17171
509         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
510
511 2004-08-25  Richard Henderson  <rth@redhat.com>
512
513         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
514         (TARGET_CANNOT_FORCE_CONST_MEM): New.
515
516 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
517
518         * doc/tree-ssa.texi: Document new operand iterator.
519
520 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
521
522         PR target/16480
523         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
524         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
525         as PLUS base regs.
526
527 2005-08-28  Paul Brook  <paul@codesourcery.com>
528
529         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
530         -mfpu=vfp -march=armv5t
531         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
532
533 2004-08-25  Richard Henderson  <rth@redhat.com>
534
535         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
536         * target.h (struct gcc_target): Add scalar_mode_supported_p.
537         * targhooks.c (default_scalar_mode_supported_p): New.
538         * targhooks.h (default_scalar_mode_supported_p): Declare.
539         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
540
541         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
542         before attempting to create types.  Tidy.
543         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
544
545         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
546         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
547
548 2004-08-25  Richard Henderson  <rth@redhat.com>
549
550         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
551         set REAL_MODE_FORMAT for TFmode.
552
553 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
554
555         * c-decl.c (grokparm): New function.
556         * c-tree.h (grokparm): New prototype.
557
558 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
559
560         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
561         iterator controlling structure.
562         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
563         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
564         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
565         iterator flags.
566         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
567         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
568         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
569         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
570         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. 
571         Empty operand pointers.
572         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
573         (op_iter_next_use): New.  Return next use_operand_p.
574         (op_iter_next_def): New.  Return next def_operand_p.
575         (op_iter_next_tree): New.  Return next operands as a tree.
576         (op_iter_init): New.  Initialize an iterator structure.
577         (op_iter_init_use): New.  Initialize structure and get the first use.
578         (op_iter_init_def): New.  Initialize structure and get the first def.
579         (op_iter_init_tree): New.  Initialize structure and get the first tree.
580         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
581         (op_iter_init_maydef): New.  Initialize structure and get the first 
582         V_MAY_DEF operands.
583         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
584         * tree-dfa.c (compute_immediate_uses_for_stmt, 
585         redirect_immediate_uses): Use new operand iterator.
586         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
587         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
588         operands instead of using *_disappeared_p routines.
589         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
590         ssa_rewrite_stmt): Use new operand iterator.
591         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
592         rewrite_trees): Use new operand iterator.
593         * tree-pretty-print.c (dump_vops): Use new operand iterator.
594         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
595         * tree-ssa-alias.c (compute_points_to_and_addr_escape, 
596         dump_points_to_info): Use new operand iterator.
597         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, 
598         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new 
599         operand iterator.
600         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, 
601         propagate_necessity): Use new operand iterator.
602         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
603         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
604         a parameter instead of a stmt_ann_t.
605         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
606         build_tree_conflict_graph): Use new operand iterator.
607         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
608         rewrite_mem_refs): Use new operand iterator.
609         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, 
610         check_loop_closed_ssa_use): Use new operand iterator.
611         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
612         * tree-ssanames.c (release_defs): Use new operand iterator.
613         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
614
615 2004-08-25  Adam Nemet  <anemet@lnxw.com>
616
617         * tlink.c (initial_cwd): New variable.
618         (tlink_init): Initialize it.
619         (recompile_files): Use tlink_execute() instead of system().  Don't
620         duplicate verbose output of collect_execute.  Restore initial_cwd.
621         Update comment before the function.
622
623 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
624
625         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
626         accept) a cast from one Objective-C pointer type to another.
627
628 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
629
630         * doc/install.texi: Document that libstdc++-v3 requires
631         now automake 1.9.1.
632
633 2004-08-25  Caroline Tice  <ctice@apple.com>
634
635         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
636         to comments at start of function.
637         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
638         comment.
639         * cfgcleanup.c (try_simplify_condjump, try_forward_edges, 
640         merge_blocks_move_predecessor_nojumps, 
641         merge_blocks_move_successor_nojumps, merge_blocks_move, 
642         try_crossjump_to_edge, try_crossjump_bb): Likewise.
643         * cfglayout.c (fixup_reorder_chain): Likewise.
644         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
645         cfg_layout_can_merge_blocks_p):  Likewise.
646         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
647         * passes.c (rest_of_compilation): Update comments for calling 
648         optimization that partitions hot/cold basic blocks.
649         * doc/invoke.texi:  Update documentation of 
650         freorder-blocks-and-partition flag.
651         
652 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
653
654         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
655         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
656
657 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
658
659         * config/mips/mips.md (any_shift): New code macro.
660         (optab, insn): New code attributes.
661         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
662         Use the standard rather than internal patterns for the MIPS16
663         double-shift optimization.
664         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
665         Redefine using :GPR and any_shift.
666         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
667         to cover all three shifts.
668         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
669         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
670         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
671
672 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
673
674         * gimplify.c (lookup_tmp_var): Separate temporaries when not
675         optimizing.
676
677 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
678
679         PR libstdc++/17005 (fix for HP-UX 11.11)
680         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
681         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
682         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.  
683         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
684         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
685         (LINK_SPEC): Handle march=1.0 option.
686         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
687         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
688         (SUBTARGET_OPTIONS): New define.
689         (LINK_SPEC): Handle march=1.0 option.
690         (STARTFILE_SPEC): New define.
691         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
692         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
693         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
694         (SUBTARGET_OPTIONS): New define.
695         (LINK_SPEC): Handle march=1.0 option.
696         (STARTFILE_SPEC): New define.
697         * config/pa/pa.c (override_options): Add code to process -munix= option.
698         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
699         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
700         defines.
701         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
702         (SUBTARGET_OPTIONS): Provide default define.
703         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
704         STANDARD_STARTFILE_PREFIX_2): New defines.
705         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
706         (ENDFILE_SPEC): Use %O.
707         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
708         Mention issue caused by changing namespace and runtime to UNIX 95/98.
709         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
710         Document -munix=std option.
711
712 2004-08-25  Steven Bosscher  <stevenb@suse.de>
713
714         * cse.c (cse_around_loop, cse_check_loop_start,
715         cse_set_around_loop): Remove.
716         (cse_basic_block): Remove the around_loop argument.
717         (cse_end_of_basic_block): Remove the after_loop argument.
718         (cse_main): Likewise.
719         * rtl.h (cse_main): Update prototype.
720         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
721         rest_of_handle_gcse): Update cse_main calls.
722
723 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
724
725         * tree.h  (build_int_cst): New, sign extended constant.
726         (build_int_cstu): New, zero extended constant.
727         (build_int_cst_wide): Renamed from build_int_cst.
728         * tree.c (build_int_cst, build_int_cstu): New.
729         (build_int_cst_wide): Renamed from build_int_cst.
730         (make_vector_type, build_common_tree_nodes,
731         build_common_tree_nodes_2): Adjust build_int_cst calls.
732         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
733         expand_builtin_strpbrk, expand_builtin_fputs,
734         build_string_literal, expand_builtin_printf,
735         expand_builtin_sprintf, fold_builtin_classify_type,
736         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
737         fold_builtin_toascii, fold_builtin_isdigit,
738         simplify_builtin_strstr, simplify_builtin_strpbrk,
739         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
740         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
741         DEF_ATTR_INT): Likewise.
742         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
743         Likewise.
744         * c-lex.c (interpret_integer, lex_charconst): Likewise.
745         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
746         * c-pretty-print.c (pp_c_integer_constant): Likewise.
747         * c-typeck.c (really_start_incremental_init, push_init_level,
748         set_nonincremental_init_from_string): Likewise.
749         * calls.c (load_register_parameters): Likewise.
750         convert.c (convert_to_pointer): Likewise.
751         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
752         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
753         build_gcov_info): Likewise.
754         * except.c (init_eh, assign_filter_values): Likewise.
755         * expmed.c (store_fixed_bit_field, extract_bit_field,
756         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
757         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
758         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
759         * expr.c (convert_move, emit_group_load, emit_group_store,
760         expand_assignment, store_constructor, store_field,
761         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
762         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
763         invert_truthvalue, optimize_bit_field_compare,
764         decode_field_reference, all_ones_mask_p, constant_boolean_node,
765         fold_div_compare, fold, fold_read_from_constant_string,
766         fold_negate_const, fold_abs_const, fold_not_const, round_up,
767         round_down): Likewise.
768         * function.c (assign_parm_setup_block): Likewise.
769         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
770         Likewise.
771         * stor-layout.c (layout_type, initialize_sizetypes,
772         set_min_and_max_values_for_integral_type): Likewise.
773         * tree-chrec.c (chrec_fold_multiply_poly_poly,
774         reset_evolution_in_loop): Likewise.
775         * tree-chrec.h (build_polynomial_chrec): Likewise.
776         * tree-complex.c (build_replicated_const): Likewise.
777         * tree-eh.c (honor_protect_cleanup_actions,
778         lower_try_finally_onedest, lower_try_finally_copy,
779         lower_try_finally_switch): Likewise.
780         * tree-mudflap.c (mf_build_string, mx_register_decls,
781         mudflap_register_call, mudflap_enqueue_constant): Likewise.
782         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
783         * tree-pretty-print.c (dump_generic_node): Likewise.
784         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
785         Likewise.
786         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
787         * tree-ssa-loop-niter.c (number_of_iterations_cond,
788         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
789         Likewise.
790         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
791         canonicalize_loop_induction_variables): Likewise.
792         * tree-vectorizer.c (vect_create_index_for_array_ref,
793         vect_transform_loop_bound, vect_compute_data_ref_alignment):
794         Likewise.
795
796         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
797         alpha_gimplify_va_arg_1): Likewise.
798         * config/arm/arm.c (arm_get_cookie_size): Likewise.
799         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
800         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
801         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
802         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
803         mips_gimplify_va_arg_expr): Likewise.
804         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
805         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
806         add_compiler_branch_island): Likewise.
807         * config/s390/s390.c (s390_va_start): Likewise.
808         * config/sh/sh.c (sh_va_start): Likewise.
809         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
810         Likewise.
811         * config/xtensa/xtensa.c (xtensa_va_start,
812         xtensa_gimplify_va_arg_expr): Likewise.
813         
814         * objc/objc-act.c (build_objc_string_object,
815         build_objc_symtab_template, init_def_list, init_objc_symtab,
816         init_module_descriptor, generate_static_references,
817         build_selector_translation_table, get_proto_encoding,
818         build_typed_selector_reference, build_selector_reference,
819         build_next_objc_exception_stuff,
820         build_method_prototype_list_template, generate_descriptor_table,
821         generate_protocols, build_protocol_initializer,
822         build_ivar_list_template, build_method_list_template,
823         build_ivar_list_initializer, generate_ivars_list,
824         generate_dispatch_table, generate_protocol_list,
825         build_category_initializer, build_shared_structure_initializer,
826         generate_shared_structures, handle_impent,
827         generate_objc_image_info): Likewise.
828
829 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
830
831         * cfglayout.c (duplicate_insn_chain): Remove references to
832         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
833         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
834         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
835         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
836         and NOTE_INSN_LOOP_CONT.
837         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
838         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
839         and NOTE_INSN_LOOP_CONT.
840         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
841         check_dbra_loop, loop_dump_aux): Remove references to removed notes
842         and fields.
843         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
844         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
845         references to removed notes and fields.
846         (subtract_reg_term, ujump_to_loop_cont): Remove.
847
848 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
849
850         * doc/install.texi: Document that libcpp does not require
851         Automake any longer.  Document that Automake 1.9.1 should
852         work everywhere.
853
854 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
855
856         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
857         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
858         DWARF_DEBUGGING_INFO from choice-of-definition chain;
859         restructure using C89 features (#elif, #error).
860         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
861         * config/sh/sh.h: Remove references to DWARF_DEBUG.
862         * doc/invoke.texi: Remove references to DWARF version 1;
863         clarify why -gdwarf-2<n> doesn't work.
864
865 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
866
867         * basic-block.h (BB_SET_PARTITION): Clear old value first.
868         * cfg.c (clear_bb_flags): Don't clear partition setting.
869         * ifcvt.c (find_if_case_1): Remove ??? comment.
870
871 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
872
873         PR target/17052
874         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
875         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
876         current_function_stdarg in place of sysv_varargs_p.
877         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
878         sysv_varargs_p.
879
880 2004-08-24  Richard Henderson  <rth@redhat.com>
881
882         PR target/16298
883         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
884         random codes within CONST.
885
886 2004-08-24  James E Wilson  <wilson@specifixinc.com>
887
888         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
889         -freorder-blocks-and-partition.
890
891 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
892
893         PR middle-end/17044
894         * tree-ssa-threadupdate.c (redirection_data): Make static.
895         (thread_block): Use ggc_alloc_cleared to allocate struct
896         redirection_data.  Don't free elements in redirection_data.
897
898 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
899
900         * config/mips/predicates.md (small_data_pattern): Match prefetches.
901
902 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
903
904         PR tree-optimization/17016
905         * tree-ssa-loop-niter.c (number_of_iterations_cond,
906         number_of_iterations_exit): Use POINTER_TYPE_P instead
907         of testing for POINTER_TYPE.
908
909 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
910
911         * tree-ssa-loop-ivcanon.c: New file.
912         * tree-ssa-loop-manip.c (create_iv): New function.
913         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
914         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
915         * cfgloop.c (mark_single_exit_loops): New function.
916         (verify_loop_structure): Verify single-exit loops.
917         * cfgloop.h (struct loop): Add single_exit field.
918         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
919         (mark_single_exit_loops): Declare.
920         (tree_num_loop_insns): Declare.
921         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
922         (duplicate_loop_to_header_edge): Use it.
923         * common.opt (fivcanon): New flag.
924         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
925         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
926         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
927         (bsi_insert_on_edge_immediate): New function.
928         * tree-flow.h (bsi_insert_on_edge_immediate,
929         canonicalize_induction_variables, tree_unroll_loops_completely,
930         create_iv): Declare.
931         * tree-optimize.c (init_tree_optimization_passes): Add
932         pass_iv_canon and pass_complete_unroll.
933         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
934         * tree-scalar-evolution.c (get_loop_exit_condition,
935         get_exit_conditions_rec, number_of_iterations_in_loop,
936         scev_initialize): Use single_exit information.
937         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
938         missing assumptions.
939         (loop_niter_by_eval):  Return number of iterations as unsigned
940         int.
941         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
942         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
943         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
944         New passes.
945         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
946         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
947         the defining statement is ready.
948         * tree-vectorizer.c (vect_create_iv_simple): Removed.
949         (vect_create_index_for_array_ref, vect_transform_loop_bound):
950         Use create_iv.
951         (vect_transform_loop_bound): Use single_exit information.
952         (vect_analyze_loop_form): Cleanup bogus tests.
953         (vectorize_loops): Do not call flow_loop_scan.
954         * tree.h (may_negate_without_overflow_p): Declare.
955         * fold-const.c (may_negate_without_overflow_p): Split out from ...
956         (negate_expr_p): ... this function.
957         (tree_expr_nonzero_p): Handle overflowed constants correctly.
958         * doc/invoke.texi (-fivcanon): Document.
959         * doc/passes.texi: Document canonical induction variable creation.
960
961 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
962
963         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
964         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
965         using the mode of the operand to decide between them.
966         * config/mips/mips.md (MOVECC): New mode macro.
967         (ccreg): New mode attribute.
968         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
969         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
970         (mov[sd]icc): Redefine using :GPR.
971
972 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
973
974         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
975         (mips_prefetch_cookie): New function.
976         * config/mips/mips.c (print_operand_address): Fix handling of
977         ADDRESS_CONST_INT.
978         (mips_emit_prefetch): Delete.
979         (mips_prefetch_cookie): New function.
980         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
981         mode of QImode for the address_operand.  Use mips_prefetch_cookie
982         to calculate the first "pref" operand.
983         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
984         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
985
986 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
987
988         * arm.md: Include predicates.md.
989         * predicates.md: New file.
990         * arm.c (s_register_operand, arm_hard_register_operand)
991         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
992         (arm_immediate_operand, arm_neg_immediate_operand)
993         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
994         (arm_add_operand, arm_addimm_operand, arm_not_operand)
995         (offsettable_memory_operand, alignable_memory_operand)
996         (arm_reload_memory_operand, arm_float_rhs_operand)
997         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
998         (index_operand, shiftable_operator, logical_binary_operator)
999         (shift_operator, equality_operator, arm_comparison_operator)
1000         (minmax_operator, cc_register, dominant_cc_register)
1001         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
1002         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
1003         (const_shift_operand, load_multiple_operation)
1004         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
1005         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
1006         (cirrus_register_operand, cirrus_fp_register)
1007         (cirrus_shift_const): Delete, replaced with equivalents in
1008         predicates.md.
1009         (shift_op): Handle ROTATE.
1010         * arm-protos.h: Delete declarations for above.
1011         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
1012         * t-arm (MD_INCLUDES): Add predicates.md.
1013         (s-preds): Depends on MD_INCLUDES.
1014
1015 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1016
1017         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
1018         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
1019         patterns.  Redefine using :GPR.  Give the match_operator a mode.
1020         Use '%2' rather than '%z2' for operand 2.
1021
1022 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1023
1024         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
1025         attribute.
1026
1027 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1028
1029         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
1030         of internal patterns.
1031         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
1032         Redefine using :P.
1033         (tablejump): Use expand_binop to calculate address.  Adjust names
1034         of internal patterns.
1035         (tablejump[sd]i): Renamed from tablejump_internal[12].
1036         Redefine using :P.
1037         (tablejump_mips16[12]): Delete.
1038
1039 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1040
1041         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
1042         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
1043         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
1044         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
1045         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
1046
1047 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1048
1049         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
1050         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
1051         using :GPR.
1052         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
1053         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
1054         (*branch_equality[sd]i_inverted): Likewise
1055         branch_equality{,_di}_inverted.
1056         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
1057         Redefine using :GPR.
1058
1059 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1060
1061         * rtl.def: Reorganize, placing all codes used only in machine
1062         descriptions at the end.
1063
1064         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
1065         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
1066         rtx_name, rtx_format arrays by direct reference to rtl.def,
1067         first undefining GENERATOR_FILE.  Define enum insn_note and
1068         note_insn_name array by direct reference to insn-notes.def.
1069         (adjust_field_rtx_def): Remove local definition of rtx_name.
1070         Use symbolic names for insn notes.
1071         * Makefile.in (gengtype.o): Update dependencies.
1072
1073 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1074
1075         * basic-block.h (struct basic_block_def): Reorder fields to
1076         eliminate interior padding.  Remove 'partition' field.
1077         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
1078         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
1079         (BB_COPY_PARTITION): New macros.
1080         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
1081         Replace all references to the 'partition' field of a basic
1082         block with new macros.
1083
1084         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1085         * final.c (final_scan_insn): Don't handle it.
1086         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
1087         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
1088         * sched-rgn.c (sched_is_disabled_for_current_region_p):
1089         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
1090
1091 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1092
1093         * c-decl.c (c_init_decl_processing): Adjust
1094         build_common_tree_nodes call.
1095         * expmed.c (const_mult_add_overflow_p): Use
1096         build_distinct_type_copy.
1097         * stor-layout.c (early_type_list): Remove.
1098         (layout_type): Don't append to early_type_list.
1099         (initialize_sizetypes): Add signed_p argument.
1100         (set_sizetype): Overwrite the stub type nodes directly.
1101         * tree.c (copy_node_stat): Clear a type's value cache here ...
1102         (build_distinct_type): ... not here.
1103         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
1104         * tree.h (initialize_sizetypes): Add signed_p argument.
1105         (build_common_tree_nodes): Likewise.
1106
1107         * objc/objc-act.c (get_static_reference): Use
1108         build_variant_type_copy.
1109         (get_protocol_reference): Likewise.
1110         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
1111
1112 2004-08-24  Richard Henderson  <rth@redhat.com>
1113             Andrew Pinski  <apinski@apple.com>
1114
1115         * gimplify.c (gimplify_array_ref_to_plus): Delete.
1116         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
1117         for ARRAY_REF.
1118
1119         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
1120         ARRAY_REF also to get to the STRING_CST.
1121
1122 2004-08-24  Paul Brook  <paul@codesourcery.com>
1123
1124         * config/arm/arm.c (arm_override_options): Update error message.
1125         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
1126         TARGET_HARD_FLOAT_ABI.
1127         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
1128         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
1129
1130 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1131
1132         PR target/17093
1133         * config/m32r.md (movsi_sda): Add SI mode specification to
1134         UNSPEC.
1135
1136 2004-08-24  Nick Clifton  <nickc@redhat.com>
1137
1138         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
1139         of seth_add3_operand.
1140
1141 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1142
1143         * Makefile.in (PROTO_OBJS): Add errors.o.
1144         * protoize.c (fancy_abort): Remove.
1145         * mips-tfile.c (fancy_abort): Add parameters.
1146
1147 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
1148
1149         * doc/trouble.texi (C++ misunderstandings): Fix example code.
1150
1151 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
1152
1153         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
1154         (host-default.o): Add dependency on HOOKS_H.
1155         * config/x-linux: Likewise.
1156         * config/x-solaris: Likewise.
1157         * config/i386/x-mingw32: Likewise.
1158         * config/rs6000/x-darwin: Likewise.
1159
1160 2004-08-23  James E Wilson  <wilson@specifixinc.com>
1161
1162         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
1163         DEF_REG_NOTE.
1164
1165 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
1166
1167         PR c/14492
1168         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
1169
1170 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
1171
1172         * cfg.c (check_bb_profile): Fix typos.
1173         * function.c (assign_parm_is_stack_parm): Likewise.
1174         * tree-nested.c: Likewise.
1175
1176 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
1177
1178         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
1179         Remove TYPECODE.
1180         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
1181
1182 2004-08-23  Eric Christopher  <echristo@redhat.com>
1183
1184         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
1185         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
1186         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
1187         * target.h: Ditto.
1188         * hooks.h: Include machmode.h.
1189         (hook_bool_mode_false): Declare.
1190         * hooks.c (hook_bool_mode_false): Define.
1191         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
1192         * stor-layout.c (layout_type): Ditto.
1193         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
1194         Define to target macro.
1195         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
1196         * config/arm/arm.c: Ditto. Use.
1197         * config/arm/arm.h: Ditto.
1198         * config/arm/arm-protos.h: Ditto.
1199         * config/i386/i386.c: Ditto.
1200         * config/i386/i386.h: Ditto.
1201         * config/rs6000/rs6000.c: Ditto.
1202         * config/rs6000/rs6000.h: Ditto.
1203         * config/sh/sh.c: Ditto.
1204         * config/sh/sh.h: Ditto.
1205         * config/sh/sh-protos.h: Ditto.
1206         * config/sh/sh.md: Use.
1207         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
1208         to TARGET_VECTOR_MODE_SUPPORTED_P.
1209
1210 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
1211
1212         * Makefile.in (BUILD_ERRORS): Set to build-errors.
1213         (errors.o): New target for host.
1214         (build-errors.o): New target for build.
1215         (genobjs): Replace errors.o with build-errors.
1216         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
1217         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
1218         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
1219         (fix-header.o): Add errors.h
1220         * collect2.c (fancy_abort): Add parameters.
1221         * collect2.h (fancy_abort): Don't declare.
1222         * errors.h (fancy_abort): Don't declare.
1223         * errors.c: Include either bconfig.h or config.h.
1224         (fancy_abort): Trim filename.
1225         * fix-header.c (v_fatal, fatal): Remove.
1226         (progname): Remove definition.
1227         (main): Set progname here.
1228         * gcc.c (fancy_abort): Add parameters.
1229         * gcc.h (fancy_abort): Remove declaration.
1230         * gcov.c (fancy_abort): Remove.
1231         * rtl.h (fancy_abort): Don't declare.
1232         (abort): Don't define.
1233         * tree.h (fancy_abort): Don't declare.
1234         (abort): Don't define.
1235         * system.h (fancy_abort): Declare.
1236         (abort): Define to fancy_abort.
1237         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
1238
1239         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
1240         (usize_type, ubitsizetype): Remove.
1241         * stor-layout.c (set_sizetype): Don't initialize usizetype,
1242         ubitsizetype.
1243         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
1244
1245         * tree.h (build_distinct_type_copy): New.
1246         (build_type_copy): ... here.  Rename to ...
1247         (build_variant_type_copy): ... here.
1248         * tree.c (build_qualified_type): Rename build_type_copy call.
1249         (build_distinct_type_copy): New, broken out of ...
1250         (build_type_copy): ... here.  Rename to ...
1251         (build_variant_type_copy): ... here.  Use
1252         build_distinct_type_copy.
1253         (build_common_tree_nodes_2): Rename build_type_copy call.
1254         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
1255         call.
1256         (handle_packed_attribute, handle_unused_attribute,
1257         handle_transparanet_union_attribute, handle_aligned_attribute,
1258         handle_deprecated_attribute): Likewise.
1259         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
1260         Likewise.
1261         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
1262         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
1263         build_distinct_type_copy.
1264
1265 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1266
1267         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
1268         attribute.
1269
1270 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1271
1272         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
1273         loads and stores.
1274         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
1275         formerly unnamed patterns.  Redefine using :P for the address.  Remove
1276         explicit length attributes.
1277
1278 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1279
1280         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
1281         New functions.
1282         (single_reachable_address): Use them.
1283         (schedule_sm): Add dump.
1284         (is_call_clobbered_ref): New function.
1285         (determine_lsm_reg): Check whether the reference is call clobbered.
1286         Only work for gimple_reg_type values.
1287
1288 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1289
1290         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
1291         $31 store insns.  Redefine using :GPR.
1292
1293 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1294
1295         * config/mips/mips.md (P): New mode macro.
1296         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
1297         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
1298         Add mode attributes.
1299
1300 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1301
1302         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
1303         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
1304         later constants to cover the gap.
1305         (load, store): New mode attributes.
1306         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
1307         Use new unspec constants.
1308
1309 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1310
1311         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
1312         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
1313         to use register_operand rather than uns_arith_operand as the predicate
1314         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
1315         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
1316         Redefine using :GPR.  Make same predicate change here.  Extend the
1317         commutativity of operands 1 and 2 from the SImode version to the
1318         DImode one.
1319         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
1320         but with no predicate changes.
1321         (*nor[sd]i3): Redefine using :GPR.
1322
1323 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1324
1325         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
1326         noreturn functions.
1327
1328 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1329
1330         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
1331         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
1332         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
1333         rather than "%z2" (with a fake const0_rtx for operand 2).
1334         (ffs[sd]i2): Redefine using :GPR.
1335         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
1336
1337 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1338
1339         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
1340
1341 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1342
1343         * config/mips/mips.md (any_extend): New code macro.
1344         (u, su): New code attributes.
1345         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
1346         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
1347         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
1348         (*{s,u}mul_acc_di): Redefine using any_extend.
1349         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
1350         to reflect real insn names.
1351         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
1352         with an any_extend template.
1353         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
1354         Add '*' to name.
1355
1356 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1357
1358         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
1359         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
1360         (mul[sd]i3_r4000): Redefine using :GPR.
1361         (mulsi3_mult3): Don't check TARGET_MAD separately.
1362         (muldi3_mult3): Moved after mulsi_mult3.
1363
1364 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1365
1366         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
1367         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
1368         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
1369         (TARGET_GAS, TARGET_MIPS_AS): Delete.
1370         (TARGET_GPWORD): Define to true for n32 on IRIX.
1371         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
1372         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
1373         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
1374         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
1375         (MDEBUG_ASM_SPEC): Delete, folding into...
1376         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
1377         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
1378         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
1379         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
1380         to define asm_abi_default_spec.
1381         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
1382         (TARGET_ASM_SELECT_SECTION): Delete.
1383         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
1384         for non-mips16 code, removing previous workaround for SGI assemblers.
1385         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
1386         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
1387         (override_options): Remove !TARGET_GAS and !have_named_sections code.
1388         (print_operand): Fold TARGET_GAS conditionals into asm strings.
1389         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
1390         ASM_STABS_OP and ASM_STABN_OP.
1391         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
1392         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
1393         (mips_output_function_prologue): Remove !TARGET_GAS code.
1394         (mips_select_rtx_section): Remove !have_named_sections code.
1395         (mips_select_section): Delete.
1396         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
1397         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
1398         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
1399         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
1400         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
1401         * config/mips/windiss.h (ASM_SPEC): Likewise.
1402
1403 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1404
1405         * read-rtl.c (map_value, mapping, macro_group): New structures.
1406         (BELLWETHER_CODE): New macro.
1407         (modes, codes, bellwether_codes): New variables.
1408         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
1409         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
1410         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
1411         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
1412         (add_map_value, initialize_macros): New functions.
1413         (def_hash, def_hash_eq_p): Generalize to anything that points to,
1414         or starts with, a char * field.
1415         (find_macro, read_mapping, check_code_macro): New functions.
1416         (read_rtx_1): New, split out from read_rtx.  Handle the new
1417         define_{mode,code}_{macro,attr} constructs.  Use find_macro
1418         to parse the name of a code or mode.  Use BELLWETHER_CODE to
1419         extract the format and to choose a suitable code for rtx_alloc.
1420         Modify recursive invocations to use read_rtx_1.
1421         (read_rtx): Call initialize_macros.  Apply code and mode macros
1422         to the rtx returned by read_rtx_1.  Cache everything after the
1423         first macro expansion for subsequent read_rtx calls.
1424         * doc/md.texi: Document new .md constructs.
1425         * config/mips/mips.md (GPR): New mode macro.
1426         (d, si8_di5): New mode attributes.
1427         (any_cond): New code macro.
1428         (add[sd]i3): Redefine using :GPR.
1429         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
1430         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
1431         previously unnamed MIPS16 patterns.
1432         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
1433         lines.  Don't match (plus (const_int 0) ...).
1434         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
1435         Use a define_split to generate the addition.
1436         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
1437         (subsi3_internal): Delete.
1438         (*subsi3_extended): Renamed from subsi3_internal_2.
1439         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
1440         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
1441         using an any_cond template.
1442
1443 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1444
1445         * read-rtl.c (read_rtx): Tidy use of format_ptr.
1446
1447 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1448
1449         * read-rtl.c (string_obstack): New file-scope variable.
1450         (read_string, read_quoted_string, read_braced_string)
1451         (read_escape): Remove obstack parameter and use string_obstack instead.
1452         (read_rtx): Remove function-local rtl_obstack and initialize
1453         string_obstack instead.  Update call to read_string.
1454
1455 2004-08-22  Andrew Pinski  <apinski@apple.com>
1456
1457         PR c/15262
1458         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
1459         expression is not constant.
1460         (c_finish_return): Do not go through INDIRECT_REF when looking
1461         for the inner expression of an ADDR_EXPR for warning about.
1462
1463 2004-08-22  Richard Henderson  <rth@redhat.com>
1464
1465         PR 17075
1466         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
1467         create new blocks and fall through.
1468         (expand_gimple_basic_block): Update to match.
1469
1470 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
1471
1472         * reload.c (find_reloads_address): Make return value tri-state.
1473         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
1474         (find_reloads): Assume that reloaded addresses match 'o' or
1475         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
1476         returned 1 (not -1).  Omit optional reloads for address operands
1477         only if find_reloads_address returned 1 (not -1).
1478
1479         * config/s390/s390.c (legitimize_reload_address): New function.
1480         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
1481         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
1482         legitimize_reload_address.
1483
1484 2004-08-22  Richard Hendersion  <rth@redhat.com>
1485
1486         * tree.h (SAVE_EXPR_RESOLVED_P): New.
1487         * gimplify.c (gimplify_save_expr): Use it.
1488         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
1489         on the temporary variable.
1490
1491 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1492
1493         * fold-const.c (rtl_expr_nonnegative_p): Delete.
1494         * tree.h (rtl_expr_nonnegative_p): Remove.
1495
1496 2004-08-22  Steven Bosscher  <stevenb@suse.de>
1497
1498         * config/i386/ppro.md (ppro_complex_insn): Add missing check
1499         for cpu==pentiumpro.
1500
1501         * combine.c (struct reg_stat): Fix comment typo.
1502
1503 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1504
1505         * c-tree.h (c_sizeof_nowarn): Remove.
1506
1507 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1508
1509         * c-decl.c (set_array_declarator_type): Rename to
1510         set_array_declarator_inner.
1511         (build_c_parm, build_attrs_declarator, build_function_declarator):
1512         New functions.
1513         (make_pointer_declarator): Call build_attrs_declarator.
1514         * c-tree.h (set_array_declarator_type): Rename to
1515         set_array_declarator_inner.
1516         (build_c_parm, build_attrs_declarator, build_function_declarator):
1517         New prototypes.
1518         * c-parse.in (after_type_declarator,
1519         parm_declarator_starttypename, parm_declarator_nostarttypename,
1520         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
1521         firstparm): Use these functions
1522
1523 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1524
1525         * c-decl.c (build_array_declarator, set_array_declarator_type,
1526         start_decl, grokdeclarator, grokparms): Change boolean parameters
1527         to type bool.
1528         * c-tree.h (build_array_declarator, set_array_declarator_type,
1529         start_decl): Update prototypes.
1530         * c-decl.c, c-parse.in: All callers changed.
1531
1532 2004-08-21  Mike Stump  <mrs@apple.com>
1533
1534         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
1535         (darwin_fix_and_continue): Likewise.
1536         (darwin_fix_and_continue_switch): Likewise.
1537         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
1538         (darwin_fix_and_continue): Likewise.
1539         (darwin_fix_and_continue_switch): Likewise.
1540
1541 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
1542
1543         PR  c++/16030
1544         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
1545         Remove, merging into ...
1546         (gen_stdcall_or_fastcall_suffix): New function, returning tree
1547         rather than const char*, and accepting additional parameter.
1548         Don't add suffix to '*'-prefixed symbols or variadic functions.
1549         (i386_pe_encode_section_info): Adjust for call to new function.
1550         Call change_decl_assembler_name.
1551
1552 2004-08-20  Mike Stump  <mrs@apple.com>
1553
1554         * config/darwin.c (machopic_indirect_data_reference): Mark
1555         stubs as defined.
1556         * config/386/386.c (darwin_local_data_pic): Add.
1557         (legitimate_constant_p): Reorder so that PLUS handling runs
1558         before darwin_local_data_pic to match the ordering in
1559         legitimate_pic_address_disp_p and so that MINUS runs after
1560         darwin_local_data_pic as otherwise the darwin_local_data_pic
1561         logic can be skipped, which would be very bad.
1562         (legitimate_pic_address_disp_p): Move from from here to
1563         darwin_local_data_pic so it can be reused.
1564
1565 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
1566
1567         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
1568         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
1569         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
1570         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
1571         (RS6000_ABI_NAME): Define as "linux".
1572         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
1573         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
1574         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
1575         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
1576         * config/rs6000/rs6000.c (dot_symbols): New global var.
1577         (rs6000_output_function_entry): New function, modified for
1578         !DOT_SYMBOLS..
1579         (print_operand <case 'z'>): ..extracted from here.
1580         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
1581         (rs6000_output_function_epilogue): Likewise.
1582         (rs6000_elf_declare_function_name): Likewise.
1583         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
1584         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
1585         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
1586         * configure: Regenerate.
1587         * config.in: Regenerate.
1588
1589 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1590
1591         * reload.c (find_reloads_address): Fix thinko in previous change.
1592
1593         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
1594         a CONST_INT.
1595
1596 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR rtl-optimization/17099
1599         * combine.c (force_to_mode): Check if inner_mask has any bits set
1600         outside of GET_MODE (x) instead of op_mode.
1601
1602 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1603
1604         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
1605         fragment.
1606         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
1607         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
1608         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
1609         architecture.
1610         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
1611         configurations.
1612         * config/arm/t-symbian: New file.
1613
1614 2004-08-20  Andrew Pinski  <apinski@apple.com>
1615
1616         * regrename.c (kill_value_regno): ANSIfy.
1617
1618 2004-08-20  Dale Johannesen  <dalej@apple.com>
1619
1620         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
1621
1622 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
1623
1624         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
1625         (kill_value_regno): New function, derived from kill_value.
1626         (kill_value): Update.
1627         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
1628
1629 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
1630
1631         Fix PR tree-optimization/17111
1632         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
1633         of non-value_handles.
1634         (bitmap_set_contains): All constants are in every set.
1635
1636 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1637
1638         * fold-const.c (round_up, round_down): Use build_int_cst.
1639         Optimize common case.
1640
1641 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
1642             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1643
1644         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
1645         one_only_data_section): Rename to som_readonly_data_section,
1646         som_one_only_readonly_data_section and som_one_only_data_section.
1647         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
1648         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
1649         conditional defines.
1650         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
1651         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
1652         string values.
1653         (pa_select_section): Use renamed section functions.
1654         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1655         SOM_READONLY_DATA_SECTION_FUNCTION,
1656         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1657         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
1658         Define here ...
1659         * config/pa/som.h: ... not here.
1660         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1661         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
1662         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1663         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
1664         (READONLY_DATA_SECTION): Use som_readonly_data_section.
1665
1666 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1667
1668         * fold-const.c (int_const_binop): Don't generate non-overflowing
1669         size-types specially.
1670         (fold_convert_const): Likewise.
1671
1672         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
1673         clear cache on copied sizetype.
1674
1675 2004-08-20  Ben Elliston  <bje@au.ibm.com>
1676
1677         * configure.ac: Don't escape apostrophe in --enable-coverage help.
1678         * configure: Regenerate.
1679
1680 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
1681
1682         PR 5620
1683         * gcc.c (struct stat input_stat): Don't define if
1684         HOST_LACKS_INODE_NUMBERS
1685         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
1686         than stat to determine if temp file is same as input file.
1687         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
1688         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
1689
1690 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
1691
1692         * configure.ac (mips*-*-*): Print an error if not using GAS.
1693         * configure: Regenerated.
1694         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
1695         comments about buggy MIPSpro assemblers.
1696         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
1697         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
1698         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
1699         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
1700         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
1701         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
1702         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
1703         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
1704         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
1705         of more general IRIX 6 definitions.
1706         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
1707         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
1708         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
1709         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
1710         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1711         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
1712         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
1713         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
1714         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
1715         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
1716         (LINK_SPEC): Move most of definition to iris.h.
1717         (SUBTARGET_LINK_SPEC): New macro.
1718         (IRIX_STARTFILE_SPEC): Fold into...
1719         (STARTFILE_SPEC): ...here.
1720         (IRIX_ENDFILE_SPEC): Fold into...
1721         (ENDFILE_SPEC): ...here.
1722         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
1723         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
1724         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
1725         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
1726         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
1727         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
1728         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
1729         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1730         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
1731         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
1732         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
1733         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
1734         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
1735         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
1736         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
1737         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
1738         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
1739         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
1740         (TARGET_IRIX6): Define to 1.
1741         (DRIVER_SELF_SPECS): Define.
1742         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
1743         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
1744         (SUBTARGET_LINK_SPEC): New macro.
1745         (IRIX_STARTFILE_SPEC): Fold into...
1746         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
1747         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
1748         (LIB_SPEC, LIBGCC_SPEC): Use them.
1749         (LIB_SPEC): Remove !mabi=* case.
1750         (IRIX_ENDFILE_SPEC): Fold into...
1751         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
1752         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
1753         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
1754         (TARGET_IRIX6): New macro.
1755         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
1756         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
1757         (LABEL_AFTER_LOC): Delete.
1758         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
1759         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
1760         (mips_build_builtin_va_list): Check TARGET_IRIX6.
1761         (override_options): Remove TARGET_SGI_O32_AS-related code.
1762         (irix_output_external_libcall): Make static.
1763         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
1764         LABEL_AFTER_LOC.
1765         (mips_file_start): Tidy guard for ABI sections.  Remove use of
1766         ABICALLS_ASM_OP; use .abicalls instead.
1767         (mips_output_aligned_decl_common, mips_declare_object_name)
1768         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
1769         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
1770         .globl foo .text directives.
1771         (irix_asm_named_section_1, irix_asm_named_section)
1772         (irix_section_align_entry, irix_section_align_htab)
1773         (irix_orig_asm_out_file, irix_section_align_entry_eq)
1774         (irix_section_align_entry_hash, irix_asm_output_align)
1775         (irix_file_start, irix_section_align_1, copy_file_data)
1776         (irix_file_end, irix_section_type_flags): Delete.
1777         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
1778         Use standard section syntax.  Remove protective "jr $31".
1779         (__gcc_fini): Likewise .gcc_fini.
1780         * config/mips/irix-crtn.asm: Adjust sections accordingly.
1781         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
1782         iris5gas.h.
1783         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
1784         from t-irix-gld.
1785         (EXTRA_MULTILIB_PARTS): Define.
1786         * config/mips/t-iris6: Remove bogus comment.
1787         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
1788         * config/mips/iris5gas.h, config/mips/iris5gld.h,
1789         config/mips/iris6gas.h, config/mips/iris6gld.h,
1790         config/mips/t-iris5-as, config/mips/t-iris5-gas
1791         config/mips/t-irix-gld: Delete.
1792         * config/mips/iris.h: New file.
1793         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
1794
1795 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
1796
1797         * postreload.c (reload_cse_move2add): Allow any condjump, but check
1798         that the implicit set isn't clobbered in the jump insn.
1799
1800 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1801
1802         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
1803         * optabs.c (init_optabs): Don't check it.
1804         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
1805         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
1806
1807 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1808
1809         * config/s390/s390.md (s390_warn_framesize_string)
1810         (s390_warn_dynamic_string, s390_stack_size_string)
1811         (s390_stack_guard_string): New global string variables.
1812         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
1813         (s390_stack_guard): New global variables.
1814         (override_options): Added checks for the new options.
1815         (s390_emit_prologue): Emit stack check and trap code and perform
1816         compile time stack size checking.
1817
1818         * config/s390/s390.h (TARGET_OPTIONS): Added new options
1819         "warn-framesize", "warn-dynamicstack", "stack-size" and
1820         "stack-guard".
1821
1822         * doc/invoke.texi: Added documentation for the new options.
1823
1824 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1825
1826         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
1827         to eliminate warning.
1828         (linear_search_fdes): Declare p as unsigned.
1829         (binary_search_mixed_encoding_fdes): Likewise.
1830         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
1831         to eliminate warning.
1832         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
1833         type cast.
1834
1835 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1836
1837         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
1838         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
1839         instead of one.  Check for strictly legitimate address.
1840         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
1841         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
1842
1843 2004-08-19  Eric Christopher  <echristo@redhat.com>
1844
1845         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
1846         * langhooks.h (unsave_expr_now): Ditto.
1847         * tree.h (unsave_expr_1): Remove prototype.
1848         (lhd_unsave_expr_now): Rename to unsave_expr_now.
1849         * tree-inline.c (unsave_expr_1): Move here
1850         from tree.c. Make static.
1851         (unsave_expr_now): Rename from lhd_unsave_expr_now.
1852         * tree-sra.c: Fix up for rename.
1853         * tree-ssa-copy.c: Ditto.
1854         * tree-eh.c: Ditto.
1855         * tree.c (unsave_expr_1): Move to tree-inline.c.
1856
1857 2004-08-19  Caroline Tice  <ctice@apple.com>
1858
1859         * config/i386/cygming.h (switch_to_section):  Fix typo (change
1860         in_unlikely_text_section to in_unlikely_executed_text).
1861
1862 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
1863
1864         * vec.h (VEC_lower_bound): New macro.
1865
1866 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
1867
1868         PR target/16446
1869         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
1870         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
1871         treat each ABI separately.  Deal with n32/n64 complex float arguments.
1872         (function_arg): Add associated complex handling here.
1873
1874 2004-08-19  Richard Henderson  <rth@redhat.com>
1875
1876         * config/arm/arm.c (arm_gen_load_multiple): Use
1877         adjust_automodify_address.  Take base memory and offset instead
1878         of unchanging/struct/scalar bits.
1879         (arm_gen_store_multiple): Likewise.
1880         (arm_gen_movmemqi): Use adjust_automodify_address.
1881         * config/arm/arm-protos.h: Update decls.
1882         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
1883         (store_multiple): Similarly.
1884
1885 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
1886
1887         * regclass.c (globalize_reg): Update call_really_used_regs.
1888
1889 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
1890
1891         * doc/invoke.texi (integer-share-limit): Document.
1892
1893         * tree.h (TYPE_CACHED_VALUES_P): New.
1894         (TYPE_CACHED_VALUES): New.
1895         (TYPE_ORIG_SIZE_TYPE): Adjust.
1896         * tree.def (INTEGER_CST): Update documentation.
1897         * tree.c: Inlcude params.h.
1898         (build_int_cst): Cache small values.
1899         (build_type_copy): Do not copy the value cache.
1900         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
1901         unneeded zeroing.
1902         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
1903         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
1904         cache.
1905         * fold-const.c (force_fit_type): Copy value when setting
1906         overflows.
1907         (int_const_binop): Likewise.
1908         * stor-layout.c: Include params.h
1909         (set_sizetype): Create values cache.
1910         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
1911         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
1912         * params.h (INTEGER_SHARE_LIMIT): New.
1913         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
1914
1915 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
1916
1917         * gimplify.c (gimplify_minimax_expr): Remove.
1918         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
1919
1920 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
1921
1922         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
1923         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
1924
1925 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1926
1927         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
1928
1929 2004-08-18  Andrew Pinski  <apinski@apple.com>
1930
1931         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
1932
1933 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
1934
1935         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
1936         (__aeabi_ul2f): Likewise.
1937
1938 2004-08-18  Richard Henderson  <rth@redhat.com>
1939
1940         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
1941         move to rtl completely.
1942         (struct meminsnbuf, xtensa_emit_block_move): Remove.
1943         (xtensa_find_mode_for_size): Remove.
1944         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
1945         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
1946
1947 2004-08-18  Richard Henderson  <rth@redhat.com>
1948
1949         * config/mcore/mcore.c (mode_from_align): Remove DImode.
1950         (block_move_sequence): Rewrite to use adjust_address.
1951         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
1952         Return boolean indicating success/failure.
1953         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
1954         * config/mcore/mcore.md (movmemsi): Update to match.
1955
1956 2004-08-18  Mike Stump  <mrs@apple.com>
1957
1958         * doc/invoke.texi (-mfix-and-continue): Add support for
1959         fast turn around debugging.
1960         (-ffix-and-continue): Likewise.
1961         (-mindirect-data): Likewise.
1962         (-findirect-data): Likewise.
1963         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
1964         (indirect_data): Likewise.
1965         (machopic_data_defined_p): Likewise.
1966         (machopic_output_indirection): Likewise.
1967         (darwin_encode_section_info): Likewise.
1968         (darwin_fix_and_continue): Likewise.
1969         (darwin_fix_and_continue_switch): Likewise.
1970         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
1971         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
1972         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
1973         (SUBTARGET_OPTIONS): Likewise.
1974         (darwin_fix_and_continue): Likewise.
1975         (darwin_fix_and_continue_switch): Likewise.
1976         (TARGET_FIX_AND_CONTINUE): Likewise.
1977         * config/rs6000.c (rs6000_emit_prologue): Likewise.
1978
1979 2004-08-19  Steven Bosscher  <stevenb@suse.de>
1980
1981         * basic-block.h (struct edge_def): Remove crossing_edge.
1982         (EDGE_CROSSING): New define.
1983         (EDGE_ALL_FLAGS): Update.
1984         * bb-reorder.c (find_traces_1_round, better_edge_p,
1985         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
1986         find_jump_block, fix_crossing_conditional_branches,
1987         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1988         Replace all occurences of crossing_edge with an edge flag check
1989         or set/reset.
1990         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1991         try_crossjump_bb): Likewise.
1992         * cfglayout.c (fixup_reorder_chain): Likewise.
1993         * cfgrtl.c (force_nonfallthru_and_redirect,
1994         commit_one_edge_insertion): Likewise.
1995
1996         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
1997         * tree-flow.h (compute_dominance_frontiers): Move prototype...
1998         * basic-block.h:  ...here.
1999         * tree-cfg.c (compute_dominance_frontiers_1,
2000         compute_dominance_frontiers): Move from here...
2001         * cfganal.c: ...to here.  Include timevar.h.
2002
2003 2004-08-18  James E Wilson  <wilson@specifixinc.com>
2004
2005         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
2006         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
2007
2008         * config/mips/mips.md (type): Add frdiv.
2009         (divsf3+1, divsf3+2): Change type to frdiv.
2010         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
2011         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
2012
2013         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
2014         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
2015         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
2016         * config/mips/5000.md (r5k_fdiv_single): Likewise.
2017         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
2018         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
2019         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
2020         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
2021         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
2022         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
2023         Likewise.
2024         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
2025
2026 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
2027
2028         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
2029         get regression tester working again.
2030
2031 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2032
2033         * insn-notes.def, reg-notes.def: New files.
2034         * rtl.h: Use them to define enum insn_note and enum reg_note.
2035         * rtl.c: Use them to define note_insn_name and reg_note_name.
2036         * Makefile.in (RTL_BASE_H): Update.
2037
2038         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
2039         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2040
2041 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2042
2043         * arm.c (arm_size_rtx_costs): New function.
2044         (arm_override_options): Use it if optimizing for space.
2045
2046 2004-08-18  Richard Henderson  <rth@redhat.com>
2047
2048         * emit-rtl.c (gen_const_mem): New.
2049         * rtl.h (gen_const_mem): Declare.
2050         * expr.c (do_tablejump): Use it.
2051         * varasm.c (force_const_mem): Likewise.
2052         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2053         (machopic_legitimize_pic_address): Likewise.
2054         * config/arm/arm.c (legitimize_pic_address): Likewise.
2055         * config/i386/i386.c (legitimize_pic_address): Likewise.
2056         (legitimize_tls_address): Likewise.
2057         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2058         * config/ia64/ia64.md (load_fptr): Likewise.
2059         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2060         * config/pa/pa.c (legitimize_pic_address): Likewise.
2061         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2062         (rs6000_emit_move): Likewise.
2063         * config/s390/s390.c (legitimize_pic_address): Likewise.
2064         (legitimize_tls_address): Likewise.
2065         * config/s390/s390.md (casesi): Likewise.
2066         * config/sh/sh.c (sh_reorg): Likewise.
2067         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2068         * config/v850/v850.md (casesi): Likewise.
2069
2070         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
2071         * config/sh/sh.c (prepare_move_operands): Remove incorrect
2072         use of MEM_READONLY_P.
2073
2074 2004-08-18  Steven Bosscher  <stevenb@suse.de>
2075
2076         * Makefile.in (OBJS-common): Add postreload-gcse.c.
2077         Add new postreload-gcse.o.
2078         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
2079         (lookup_as_function, insert, rehash_using_reg, use_related_value,
2080         equiv_constant): Use SAFE_HASH instead of safe_hash.
2081         (exp_equiv_p): Export.  Add for_gcse argument when comparing
2082         for GCSE.
2083         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
2084         find_comparison_args, fold_rtx, cse_insn): Update callers.
2085         (hash_rtx): New function derived from old canon_hash and bits
2086         from gcse.c hash_expr_1.
2087         (canon_hash_string): Rename to hash_rtx_string.
2088         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
2089         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
2090         (cselib_lookup): Update this caller.
2091         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
2092         Make static.
2093         (hash_expr): Call hash_rtx.
2094         (ldst_entry): Likewise.
2095         (expr_equiv_p): Call exp_equiv_p.
2096         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
2097         reg_used_on_edge, reg_set_between_after_reload_p,
2098         reg_used_between_after_reload_p, get_avail_load_store_reg,
2099         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
2100         get_bb_avail_insn, hash_scan_set_after_reload,
2101         compute_hash_table_after_reload,
2102         eliminate_partially_redundant_loads, gcse_after_reload,
2103         get_bb_avail_insn, gcse_after_reload_main): Remove.
2104         * postreload-gcse.c: New file, reincarnating most of the above.
2105         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
2106         (gcse_after_reload_main): Update prototype.
2107         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
2108         * passes.c (rest_of_handle_gcse2): Use it.
2109
2110 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2111
2112         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
2113         (pass_loop_done): Likewise.
2114
2115 2004-08-18  Andrew Pinski  <apinski@apple.com>
2116
2117         * config/rs6000/darwin.md: Delete the altivec patterns which are
2118         handled differently now.
2119         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
2120         (macho_correct_pic_di): Likewise.
2121         (call_indirect_nonlocal_darwin64): Likewise.
2122         Delete the save world/saveFP/saveVec patterns.
2123
2124         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
2125         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2126         * config/rs6000/rs6000.md: Include darwin.md.
2127         (builtin_setjmp_receiver): Add DImode case.
2128         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2129         Darwin bits.
2130
2131 2004-08-18  Matt Austern  <austern@apple.com>
2132
2133         Dead code stripping
2134         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
2135         * darwin.c (darwin_file_end): Mark file as potentially strippable.
2136
2137 2004-08-18  Richard Henderson  <rth@redhat.com>
2138
2139         * alias.c (readonly_fields_p): Remove.
2140         (objects_must_conflict_p): Don't call it.
2141         * tree.h (readonly_fields_p): Remove.
2142         * langhooks.h (struct lang_hooks): Remove honor_readonly.
2143         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
2144
2145 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2146
2147         * tree-dfa.c (add_referenced_var): Only global variables are
2148         call-clobbered.
2149         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
2150         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
2151         all pointers dereferenced if the statement dereferences them.
2152         (create_name_tags): Do not create memory tags for pointers
2153         that have PT_ANYTHING set.
2154         Also check if PT_VARS is not empty before creating a name tag.
2155         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
2156         variables that share the same alias set with a pointer that
2157         may point anywhere.
2158         (add_may_alias): Add FIXME comment to remove clobbering
2159         aliased variables and tags.
2160         (replace_may_alias): Likewise.
2161         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
2162         (merge_pointed_to_info): If the original variable has not
2163         points-to information, call set_pt_anything.
2164         (add_pointed_to_var): Do not prevent adding a pointed-to
2165         variable if the pointers is PT_ANYTHING.
2166         If the variable is a global, set PT_GLOBAL_MEM.
2167         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
2168         pointer type only come in PTR+OFFSET flavours.
2169         Always call merge_pointed_to_info on PHI arguments that are
2170         SSA_NAMEs.
2171         (get_nmt_for): Mark call-clobbered tags whose pointer points
2172         to global memory.
2173         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
2174         values.
2175         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
2176         FLAGS.
2177         (add_stmt_operand): Abort if the caller tried to add a killing
2178         definition for a memory tag.
2179         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
2180         unnecessary checks.
2181
2182 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
2183
2184         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
2185         from call_used_regs.  Update call_really_used_regs.
2186         (CALL_REALLY_USED_REGISTERS): Define.
2187         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
2188         Replace call_used_regs with call_really_used_regs.
2189         (calc_live_regs, sh_media_register_for_return): Likewise.
2190         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
2191         * sh.md (return_media): Likewise.
2192
2193 2004-08-18  Andrew Pinski  <apinski@apple.com>
2194
2195         * config/darwin.c (machopic_legitimize_pic_address): Only set
2196         MEM_READONLY_P in the non TARGET_TOC case.
2197
2198 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2199
2200         * rtl.def (NIL): Delete.
2201         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
2202         Tighten the syntax a little.
2203
2204         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
2205         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
2206         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
2207         * config/i386/predicates.md, config/m32r/m32r.h
2208         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
2209         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
2210         * config/sparc/sparc.h, doc/tm.texi:
2211         Replace all occurrences of NIL with UNKNOWN.
2212
2213 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2214
2215         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
2216         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
2217         sequence inline.  Move drop_through_label code into this
2218         block, being the only place it is used.  Adjust comments.
2219
2220 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
2221
2222         * config/rs6000/altivec.md: Add new patterns for calls to
2223         save_world/rest_world functions.
2224
2225         * config/rs6000/rs6000-protos.h: (save_world_operation,
2226         restore_world_operation) new declarations.
2227
2228         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
2229         field added.
2230         (rs6000_stack_info): Set world_save_p field.
2231         (save_world_operation): New function.
2232         (restore_world_operation): New function.
2233         (compute_save_world_info): New function.
2234         (rs6000_stack_info): Call compute_save_world_info.
2235         (rs6000_emit_prologue): Check for world_save_p and generate
2236         pattern to call save_world for saving all non-volatile and
2237         special registers.
2238         (rs6000_emit_epilogue): Check for world_save_p and generate
2239         pattern to call rest_world to restore saved registers.
2240
2241         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
2242         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
2243         (rs6000_reg_names): New entries added for save_world_operation and
2244         restore_world_operation.
2245
2246 2004-08-18  Caroline Tice  <ctice@apple.com>
2247
2248         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
2249         "-freorder-blocks-and-partition" to the flags used in second
2250         stage of profiledbootstrap.
2251         * bb-reorder.c (push_to_next_round_p): Add new variable,
2252         next_round_is_last; set and use variable to make sure, when
2253         partitioning, that the last trace construction round consists
2254         of all (and only) cold basic blocks.
2255         (rotate_loop): Don't copy blocks that end in a section
2256         crossing jump.
2257         (copy_bb): Correctly initialize "partition" of duplicated bb.
2258         (add_unlikely_executed_notes): Add a comment.
2259         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
2260         to make sure, if function contains hot blocks, that the
2261         successors of ENTRY_BLOCK_PTR are hot; also, only look for
2262         crossing edges if the architecture supports named sections.
2263         (mark_bb_for_unlikely_executed_section): Modify to always
2264         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
2265         the basic block note insn.
2266         (fix_crossing_unconditional_branches): Remove extra space.
2267         (fix_edges_for_rarely_executed_code): Modify to only do
2268         partitioning work if the architecture supports named sections.
2269         (reorder_basic_blocks): Modify to only add
2270         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
2271         supports named sections.
2272         * c-common.c (handle_section_attribute): Initialize new global
2273         variable, user_defined_section_attribute, to true if user has
2274         specified one.
2275         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
2276         forward edges that cross section boundaries.
2277         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
2278         partitioning information if the architecture supports named
2279         sections.
2280         * cfgrtl.c (target.h): Add statement to include this.
2281         (rtl_split_block): Make sure newly created bb gets correct
2282         partition.
2283         (try_redirect_by_replacing_jump): Make sure redirection isn't
2284         attempting to cross section boundaries.
2285         (force_nonfallthru_and_redirect): Only do partition fix up if
2286         architecture supports named sections.
2287         (rtl_split_edge): Make sure newly created bb ends up in
2288         correct partition.
2289         (commit_one_edge_insertion): Remove code that incorrectly
2290         updated basic block partition; Make sure partition fix up only
2291         happens if architecture supports named sections and it's not
2292         already done.
2293         (rtl_verify_flow_info_1): Fix if-condition on test/error
2294         condition that fallthru edges are not allowed to cross section
2295         boundaries.
2296         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
2297         * final.c (final_scan_insn): Remove redundant test from if-statement;
2298         change calls to text_section into calls to function_section; add code
2299         to only to partitioning fix up if architecture supports named
2300         sections.
2301         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
2302         partition.
2303         (if_convert): Add targetm.have_named_sections to test.
2304         * output.h (unlikely_section_label): Extern declaration for new global
2305         variable.
2306         (unlikely_text_section_name): Likewise.
2307         * opts.c (decode_options): If both partitioning and DWARF debugging
2308         are turned on, issue a warning that this doesn't work, and change
2309         partitiong to basic block reordering (without hot/cold partitions).
2310         * passes.c (rest_of_handle_final): Re-set new global variable,
2311         user_defined_section_attribute, to false.
2312         (rest_of_compilation): Change options for calling partitioning
2313         function: Don't call if the user defined the section attribute, and
2314         don't call if DECL_ONE_ONLY is true for the current function.
2315         * predict.c (choose_function_section): Return immediately if we
2316         are doing hot/cold partitioning (i.e. let the basic block partitioning
2317         determine where the function belongs).
2318         * reg-stack.c (emit_swap_insn): Add condition to step over
2319         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
2320         * toplev.c (user_defined_section_attribute): New global variable.
2321         * toplev.h (user_defined_section_attribute): Extern declaration
2322         for new global variable.
2323         * varasm.c (unlikely_section_label): New global variable.
2324         (unlikely_text_section_name): New global variable.
2325         (unlikely_text_section): Add code to initialize
2326         unlikely_text_section_name if necessary; modify to use
2327         unlikely_text_section_name and unlikely_section_label; also to use
2328         named_section properly.
2329         (in_unlikely_text_section):  Modify to work correctly with
2330         named_section and to use unlikely_text_section_name.
2331         (named_section):  Add code to work properly with cold section.
2332         (function_section): Clean up if-statement.
2333         * config/darwin.c (darwin_asm_named_section): Return to original
2334         code, removing use of SECTION_FORMAT_STRING.
2335         * config/arm/pe.h (switch_to_section):  Add case for
2336         in_unlikely_executed_text to switch statement.
2337         * config/i386/cygming.h (switch_to_section): Likewise.
2338         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2339         (SECTION_FORMAT_STRING): Likewise.
2340         * config/mcore/mcore.h (switch_to_section): Likewise.
2341         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2342         (SECTION_FORMAT_STRING): Remove.
2343
2344 2004-08-18  Roger Sayle  <roger@eyesopen.com>
2345
2346         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
2347         -ffixed-reg safe, by preserving the meanings of zero and one.
2348         (CALL_USED_REGISTERS): Likewise.
2349         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
2350
2351 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2352
2353         * config/sh/sh.c (split_branches): Check the result of
2354         next_active_insn.
2355         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
2356         Call rtl_register_cfg_hooks.
2357
2358 2004-08-18  Richard Henderson  <rth@redhat.com>
2359
2360         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2361         * alias.c (true_dependence): Update to match new semantics.
2362         (canon_true_dependence, write_dependence_p): Likewise.
2363         (anti_dependence, output_dependence): Update write_dependence_p args.
2364         (unchanging_anti_dependence): Remove.
2365         * calls.c (purge_mem_unchanging_flag): Remove.
2366         (fixup_tail_calls): Don't call it.
2367         (expand_call): Don't add unchanging memory to function usage.
2368         * expr.c (emit_block_move_via_libcall): Likewise.
2369         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
2370         (get_subtarget): Don't use RTX_UNCHANGING_P.
2371         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
2372         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
2373         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
2374         * cse.c (insert): Don't use RTX_UNCHANGING_P.
2375         (cse_insn, canon_hash): Use MEM_READONLY_P.
2376         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
2377         instead of RTX_UNCHANGING_P.
2378         * explow.c (maybe_set_unchanging): Remove.
2379         * expr.h (maybe_set_unchanging): Remove.
2380         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
2381         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
2382         (assign_parm_setup_reg, expand_function_start): Likewise.
2383         * integrate.c (copy_rtx_and_substitute): Likewise.
2384         * ra-rewrite.c (emit_colors): Likewise.
2385         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
2386         (fixup_match_1): Likewise.
2387         * reload1.c (reload, alter_reg): Likewise.
2388         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
2389         not RTX_UNCHANGING_P.
2390         (equiv_init_varies_p): Likewise.
2391         * loop-invariant.c (check_maybe_invariant): Likewise.
2392         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
2393         * loop.c (note_addr_stored): Likewise.
2394         (prescan_loop): Likewise. Don't check function usage for clobbered
2395         unchanging memory.
2396         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
2397         not RTX_UNCHANGING_P.
2398         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
2399         * varasm.c (force_const_mem): Likewise.
2400         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
2401         * web.c (entry_register): Likewise.
2402         * tree-gimple.h (get_base_address): Move decl ...
2403         * tree.h: ... here.
2404         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2405
2406         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
2407         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
2408         (alpha_set_memflags): Update to match.
2409
2410         * config/darwin.c (machopic_indirect_data_reference): Set
2411         MEM_READONLY_P instead of RTX_UNCHANGING_P.
2412         (machopic_indirect_call_target): Likewise.
2413         (machopic_legitimize_pic_address): Likewise.
2414         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
2415         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
2416         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
2417         * config/frv/frv.md (symGOT2reg): Likewise.
2418         * config/i386/i386.c (legitimize_pic_address,
2419         legitimize_tls_address, ix86_split_to_parts): Likewise.
2420         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2421         * config/ia64/ia64.md (load_fptr): Likewise.
2422         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2423         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
2424         * config/mcore/mcore.c (block_move_sequence): Likewise.
2425         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
2426         * config/pa/pa.c (legitimize_pic_address): Likewise.
2427         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2428         (rs6000_emit_move): Likewise.
2429         * config/s390/s390.c (legitimize_pic_address): Likewise.
2430         (legitimize_tls_address): Likewise.
2431         * config/s390/s390.md (casesi): Likewise.
2432         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
2433         * config/sh/sh.md (symGOT2reg): Likewise.
2434         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2435         * config/v850/v850.md (casesi): Likewise.
2436
2437         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
2438         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
2439         * config/mips/mips.c (mips_restore_gp): Likewise.
2440         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
2441         * config/sh/sh.c (sh_reorg): Likewise.
2442
2443 2004-08-18  Richard Henderson  <rth@redhat.com>
2444
2445         * tree.h (struct tree_decl): Add gimple_formal_temp.
2446         (DECL_GIMPLE_FORMAL_TEMP_P): New.
2447         * gimplify.c (pop_gimplify_context): Clear it.
2448         (lookup_tmp_var): Set it, if is_formal.
2449         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
2450         Use is_gimple_val for VECTOR.  Simplify return value.
2451         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
2452         (gimplify_expr): Likewise.
2453         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
2454         is_gimple_tmp_rhs for clarity.  Update all callers.
2455         (is_gimple_reg_rhs): Simplify logic.
2456         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
2457         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
2458         (is_gimple_formal_tmp_reg): Similarly.
2459         * tree-gimple.h: Update decls.
2460         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
2461         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
2462         * tree-ssa-live.c (var_union, type_var_init): Likewise.
2463
2464 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
2465
2466         * c4x.c (legitimize_operands): Remove calls to
2467         preserve_subexpressions_p.
2468
2469 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
2470
2471         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
2472         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
2473
2474 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
2475
2476         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
2477         Objective-C++ extensions.
2478         * gengtype.c (get_file_basename): Match entire subdirectory name
2479         ('cp', 'objc', 'objcp') rather than just its suffix.
2480         (get_base_file_bitmap): Allow for files to belong to more than one
2481         language.
2482         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
2483         used by more than one front-end.
2484
2485 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2486
2487         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
2488         avoid use of preserve_subexpressions_p.
2489
2490 2004-08-17  Richard Henderson  <rth@redhat.com>
2491
2492         PR 17051
2493         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
2494
2495 2004-08-17  DJ Delorie  <dj@redhat.com>
2496
2497         * doc/extend.texi: Document new xstormy16 attribute.
2498
2499         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
2500         (xstormy16_splittable_below100_or_register): New.
2501         (combine_bnp): New.
2502         (xstormy16_reorg): New.
2503         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2504
2505         * config/stormy16/stormy16.md (movqi_internal): Make name public.
2506         (movhi_internal): Likewise.
2507         (cbhranchhi): Likewise.
2508         (cbhranchhi_neg): Likewise.
2509         (andhi3): Only allow splittable below100 operands.
2510         (iorhi3): Likewise.
2511         (peephole2): New and/zero_extend->and peephole.
2512         (peephole2): New load/ior/save->set1 peephole.
2513         (peephole2): New load/and/save->clr1 peephole.
2514         (bclrx, bclrx2, bclr7, bclr15): New.
2515         (bsetx, bsetx2, bset7, bset15): New.
2516
2517         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
2518         liberal about acceptable 'B' masks.
2519
2520         * config/stormy16/stormy16-protos.h
2521         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2522         xstormy16_below100_operand, xstormy16_below100_or_register,
2523         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2524         (PREDICATE_CODES): Add new predicates.
2525
2526         * config/stormy16/stormy16.c
2527         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2528         xstormy16_below100_operand, xstormy16_below100_or_register,
2529         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2530         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
2531         (xstormy16_legitimate_address_p): Allow below100 symbols.
2532         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
2533         (xstormy16_expand_move): Leave below100 operands as-is.
2534         (xstormy16_encode_section_info): Encode below100 symbols.
2535         (xstormy16_strip_name_encoding): New.
2536         (xstormy16_print_operand): Print 'b' as shift mask.
2537         (xstormy16_attribute_table): Add below100 attributes.
2538         (xstormy16_handle_below100_attribute): New.
2539
2540         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
2541         (XSTORMY16_SECTION_FUNCTION): New.
2542         (EXTRA_SECTION_FUNCTIONS): Define using the above.
2543         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
2544         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
2545         (ASM_OUTPUT_LABELREF): Define.
2546
2547         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
2548         (movhi_internal): Add below100 support.
2549         (andhi3): Add below100 support.
2550         (iorhi3): Add below100 support.
2551         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
2552
2553 2004-08-17  James E Wilson  <wilson@specifixinc.com>
2554
2555         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
2556         of VOIDmode for comparison code mode.
2557         * config/mips/mips.md: For conditional move patterns, use mode of
2558         first compare operand for comparison mode, instead of VOIDmode.
2559
2560         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
2561         normal and -ffast-math code.
2562
2563 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
2564
2565         PR c++/15871
2566         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
2567
2568 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
2569
2570         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
2571
2572 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
2573
2574         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
2575         for non Darwin targets.
2576         (*call_value_nonlocal_darwin64): Likewise.
2577
2578 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
2579
2580         * config/rs6000/rs6000.c (rs6000_function_value): Check for
2581         altivec mode for altivec return register.
2582
2583 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
2584
2585         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
2586         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2587         * config/rs6000/rs6000.md: Include darwin.md.
2588         (builtin_setjmp_receiver): Add DImode case.
2589         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2590         Darwin bits.
2591
2592 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
2593
2594         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
2595         trees.
2596         * tree-vectorizer.h: New File: Same.
2597         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
2598         * common.opt (ftree-vectorize): New flag to enable vectorization.
2599         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
2600         vectorization pass.
2601         * tree-data-ref.h (init_data_ref): Additional argument.
2602         (array_base_name_differ_p): Moved to tree-data-ref.c.
2603         * tree-data-ref.c (array_base_name_differ_p): Revised.
2604         (initialize_data_dependence_relation): Call array_base_name_differ_p
2605         with an extra argument.
2606         (analyze_all_data_dependences): Same.
2607         (init_data_ref): Additional argument is_read to set DR_IS_READ.
2608         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
2609         file.
2610         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
2611         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
2612         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
2613         vectorization pass.
2614         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
2615         (tree_ssa_loop_done): Call scev_finalize.
2616         (tree_vectorize): Define the new vectorization pass.
2617         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
2618         size of the vector they support (until support for multiple vector
2619         sizes is added to the vectorizer).
2620         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
2621         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
2622         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
2623         documentation.
2624
2625 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
2626
2627         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
2628         usage.
2629         (generate_protocol_list, handle_impent): Likewise.
2630
2631 2004-08-17  Roger Sayle  <roger@eyesopen.com>
2632
2633         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
2634         ensure that call_used_regs is a superset of both fixed_regs and
2635         call_really_used_regs.
2636
2637 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
2638
2639         PR target/17019
2640         * arm.md (addsi3_cbranch_scratch): Correct case labels.
2641
2642 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2643
2644         PR middle-end/17036
2645         * fold-const.c (fold): Check for integer operand when
2646         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
2647         Pinski  <pinskia@physics.uc.edu>.
2648
2649 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2650
2651         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
2652         No need to check if in a cross configuration.
2653         * configure: Regenerate.
2654
2655         * calls.c (precompute_register_parameters):
2656         Inline preserve_subexpressions_p ().
2657         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
2658         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
2659         Likewise.
2660         * expr.c (get_subtarget): Likewise.
2661         * rtl.h (preserve_subexpressions_p): Remove.
2662         * stmt.c (preserve_subexpressions_p): Remove.
2663
2664         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
2665         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
2666         Abort on gimplified cases.
2667
2668 2004-08-16  James E Wilson  <wilson@specifixinc.com>
2669
2670         * tree.h (VECTOR_FLOAT_TYPE_P): New.
2671         (FLOAT_TYPE_P): Use it.
2672         * c-typeck.c (build_binary_op): After convert calls, check for
2673         check for ERROR_MARK operands.
2674
2675 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
2676
2677         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
2678         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
2679         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
2680         (genobjs static pattern rule): Remove %.c dependency.
2681         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
2682         Rename rules; delete commands; fix dependencies.
2683         (mostlyclean): Do not delete temporary source copies.
2684         * configure.ac: Delete all references to BUILD_PREFIX and
2685         BUILD_PREFIX_1.
2686         * configure: Regenerate.
2687
2688         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
2689         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
2690         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
2691         with #ifndef GENERATOR_FILE so that nothing from those headers
2692         is used.
2693
2694         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
2695
2696 2004-08-16  Adam Nemet  <anemet@lnxw.com>
2697
2698         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
2699
2700 2004-08-16  Andrew Pinski  <apinski@apple.com>
2701
2702         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
2703         extraneous semicolon.
2704
2705 2004-08-16  Devang Patel  <dpatel@apple.com>
2706
2707         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
2708         * print-tree.c (print_node): Print DECL_PRESERVE_P.
2709         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
2710         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
2711         * target.h (struct gcc_target): New member, mark_decl_preserved.
2712         * hooks.c (hook_void_charptr): Rename to ...
2713         (hook_void_constcharptr): ... new name.
2714         * hooks.h (hook_void_charptr): Rename to ..
2715         (hook_void_constcharptr): ... new name.
2716         * tree.h (DECL_PRESERVE_P): New #define.
2717         (struct tree_decl): New member, preserve_flag.
2718         * varasm.c (assemble_start_function): Mark decl preserved.
2719         (assemble_variable): Same.
2720         * darwin.c (darwin_mark_decl_preserved): New function.
2721         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
2722         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
2723         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
2724
2725 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
2726
2727         * c-decl.c (grokdeclarator): Allow for function definition where
2728         innermost declarator has attributes.
2729
2730 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
2731
2732         * except.c (get_exception_filter, build_post_landing_pads,
2733         dw2_build_landing_pads): Use target-specific mode for 'filter'.
2734         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
2735         * target.h (eh_return_filter_mode): New field added.
2736         * targhooks.c (default_eh_return_filter_mode): Defined.
2737         * targhooks.h (default_eh_return_filter_mode): Declared.
2738         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
2739
2740 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2741
2742         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
2743         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
2744         * configure: Regenerate.
2745
2746 2004-08-16  Stan Shebs  <shebs@apple.com>
2747
2748         Basic support for 64-bit Darwin.
2749         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2750         (machopic_legitimize_pic_address): Similarly, plus use Pmode
2751         instead of SImode.
2752         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
2753         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
2754         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
2755         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
2756         (PROCESSOR_DEFAULT64): Define.
2757         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
2758         Darwin.
2759         * config/rs6000/rs6000.md: Include darwin.md.
2760         (builtin_setjmp_receiver): Add DImode case.
2761         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
2762         Darwin.
2763         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
2764         (rs6000_emit_move): Add DImode case to Darwin bits.
2765         (machopic_output_stub): Use .quad if 64-bit.
2766         * invoke.texi: Document -m32 and -m64.
2767
2768 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
2769
2770         * doc/extend.texi (AltiVec builtins): Document additional differences
2771         from the Motorola AltiVec PIM.
2772
2773 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2774
2775         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
2776         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
2777         (struct tree_common): Update public_flag documentation.
2778
2779 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2780
2781         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2782         Check for artificial variables, not is_gimple_tmp_var.
2783         * tree-ssa-live.c (var_union): Likewise.
2784
2785 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2786
2787         * calls.c (load_register_parameters): Remove spurious FIXME token.
2788
2789 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
2790
2791         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
2792         (c-lang.o): Depend on c-objc-common.h.
2793         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
2794         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
2795         * c-lang.c: Include c-objc-common.h.
2796         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
2797         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
2798         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
2799         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
2800         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
2801         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
2802         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
2803         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
2804         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
2805         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
2806         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
2807         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
2808         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
2809         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
2810         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
2811         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2812         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
2813         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2814         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
2815         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
2816         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
2817         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
2818         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
2819         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
2820         Move to c-objc-common.h.
2821         * c-objc-common.c: Include c-objc-common.h.
2822         * c-objc-common.h: New file.
2823
2824 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
2825             Andrew Pinski  <pinskia@physics.uc.edu>
2826
2827         PR target/14931
2828         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
2829         style.
2830
2831 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
2832
2833         * tree.h (build_int_cst): New.
2834         (build_int_2): Remove.
2835         * tree.c (build_int_2): Remove.
2836         (build_int_cst): New.
2837         (make_vector_type, build_common_tree_nodes,
2838         build_common_tree_nodes_2): Use build_int_cst.
2839         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2840         expand_builtin_strpbrk, expand_builtin_fputs,
2841         build_string_literal, expand_builtin_printf,
2842         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
2843         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
2844         fold_builtin_isdigit, simplify_builtin_strstr,
2845         simplify_builtin_strpbrk, fold_builtin_fputs,
2846         simplify_builtin_sprintf): Use build_int_cst.
2847         * c-common.c (start_fname_decls, fix_string_type,
2848         c_common_nodes_and_builtins, c_init_attributes,
2849         shorten_compare): Likewise.
2850         * c-decl.c (complete_array_type,
2851         check_bitfield_type_and_width): Likewise.
2852         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2853         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
2854         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2855         * c-typeck.c (really_start_incremental_init, push_init_level,
2856         set_nonincremental_init_from_string): Likewise.
2857         * calls.c (load_register_parameters): Likewise.
2858         * convert.c (convert_to_pointer): Likewise.
2859         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2860         build_fn_info_type, build_ctr_info_value, build_gcov_info):
2861         Likewise.
2862         * except.c (init_eh, assign_filter_values, assign_filter_values):
2863         Likewise.
2864         * expmed.c (store_fixed_bit_field, extract_bit_field,
2865         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2866         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2867         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2868         * expr.c (convert_move, emit_group_load, emit_group_store,
2869         expand_assignment, store_constructor, store_field,
2870         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2871         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2872         invert_truthvalue, optimize_bit_field_compare,
2873         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2874         fold_div_compare, fold, fold_read_from_constant_string,
2875         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2876         * function.c (assign_parm_setup_block): Likewise.
2877         * stmt.c (shift_return_value, expand_end_case_type,
2878         estimate_case_costs): Likewise.
2879         * stor-layout.c (layout_type, initialize_sizetypes,
2880         set_min_and_max_values_for_integral_type): Likewise.
2881         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2882         reset_evolution_in_loop): Likewise.
2883         * tree-chrec.h (build_polynomial_chrec): Likewise.
2884         * tree-complex.c (build_replicated_const): Likewise.
2885         * tree-eh.c (honor_protect_cleanup_actions,
2886         lower_try_finally_onedest, lower_try_finally_copy,
2887         lower_try_finally_switch): Likewise.
2888         * tree-mudflap.c (mf_build_string, mx_register_decls,
2889         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2890         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2891         * tree-pretty-print.c (dump_generic_node): Likewise.
2892         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2893         Likewise.
2894         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2895         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2896         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2897         Likewise.
2898
2899         * config/alpha/alpha.c (alpha_initialize_trampoline,
2900         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
2901         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2902         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2903         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2904         * config/i860/i860.c (i860_va_start): Likewise.
2905         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2906         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2907         mips_gimplify_va_arg_expr): Likewise.
2908         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2909         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2910         add_compiler_branch_island): Likewise.
2911         * config/s390/s390.c (s390_va_start): Likewise.
2912         * config/sh/sh.c (sh_va_start): Likewise.
2913         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2914         Likewise.
2915         * config/xtensa/xtensa.c (xtensa_va_start,
2916         xtensa_gimplify_va_arg_expr): Likewise.
2917
2918         * objc/objc-act.c (build_objc_string_object,
2919         build_objc_symtab_template, init_def_list, init_objc_symtab,
2920         init_module_descriptor, generate_static_references,
2921         build_selector_translation_table, get_proto_encoding,
2922         build_typed_selector_reference, build_selector_reference,
2923         build_next_objc_exception_stuff,
2924         build_method_prototype_list_template, generate_descriptor_table,
2925         generate_protocols, build_protocol_initializer,
2926         build_ivar_list_template, build_method_list_template,
2927         build_ivar_list_initializer, generate_ivars_list,
2928         generate_dispatch_table, generate_protocol_list,
2929         build_category_initializer, build_shared_structure_initializer,
2930         generate_shared_structures, handle_impent,
2931         generate_objc_image_info): Use build_int_cst.
2932
2933 2004-08-15  Ben Elliston  <bje@au.ibm.com>
2934
2935         * vec.h: Comment improvements.
2936
2937 2004-08-14  Roger Sayle  <roger@eyesopen.com>
2938
2939         * c-common.c (shorten_compare, pointer_int_sum,
2940         c_common_truthvalue_conversion, boolean_increment): Replace calls
2941         to build with calls to buildN.
2942         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
2943         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
2944         gimplify_switch_stmt): Likewise.
2945         * c-typeck.c (default_function_array_conversion,
2946         build_component_ref, build_array_ref, build_function_call,
2947         pointer_diff, build_unary_op, build_conditional_expr,
2948         build_compound_expr, build_modify_expr, c_finish_goto_label,
2949         c_finish_goto_ptr, c_finish_return, c_finish_loop,
2950         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
2951         build_binary_op): Likewise.
2952
2953 2004-08-15  Steven Bosscher  <stevenb@suse.de>
2954
2955         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
2956
2957 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2958
2959         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
2960         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
2961         * fixinc/fixincl.x: Rebuilt.
2962
2963 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
2964
2965         * config/mips/mips-protos.h (mips_symbolic_constant_p)
2966         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
2967         (mips_small_data_pattern_p): Declare.
2968         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
2969         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2970         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
2971         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
2972         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
2973         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
2974         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
2975         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
2976         (pc_or_label_operand, call_insn_operand, move_operand)
2977         (consttable_operand, symbolic_operand, general_symbolic_operand)
2978         (global_got_operand, local_got_operand, stack_operand)
2979         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
2980         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
2981         (mips_small_data_pattern_p): Replace previous small_data_pattern
2982         predicate.  Turn into a bool () (rtx) function.
2983         * config/mips/predicates.md: New file.
2984         * config/mips/mips.md: Include it.  Use the target-independent
2985         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
2986         trap_comparison_operator and equality_op to equality_operator.
2987         Replace uses of small_int with the equivalent const_arith_operand.
2988         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
2989         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
2990         to fcc_reload_operand.
2991         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
2992
2993 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2994
2995         PR libstdc++/17005 partial fix.
2996         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
2997         except when generating ANSI/C89 code.
2998
2999 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
3000
3001         * c-common.c (shorten_compare): Use force_fit_type directly.
3002
3003 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
3004             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
3005             Dave Korn  <dk@artimi.com>
3006
3007         * doc/install.texi (Building): Avoid duplicate reference to GNU
3008         make requirement.
3009         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
3010
3011 2004-08-14  Richard Henderson  <rth@redhat.com>
3012
3013         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
3014         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
3015
3016 2004-08-13  Richard Henderson  <rth@redhat.com>
3017
3018         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
3019         for constant_call_address_operand.
3020         (call_value_pop_1, call_value_1): Likewise.
3021         (sibcall_value_1, call_value_1_rex64): Likewise.
3022
3023 2004-08-13  James E Wilson  <wilson@specifixinc.com>
3024
3025         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
3026         Correct mode from SFmode to DFmode.
3027
3028 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
3029
3030         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
3031         __cstring_object and __image_info sections with the no_dead_strip
3032         attribute.
3033
3034 2004-08-13  Roger Sayle  <roger@eyesopen.com>
3035             David Billinghurst  <David.Billinghurst@riotinto.com>
3036
3037         PR libgfortran/15930
3038         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
3039         * fixinc/fixincl.x: Regenerate.
3040         * fixinc/tests/base/internal/math_core.h: New file.
3041
3042 2004-08-13  Richard Henderson  <rth@redhat.com>
3043
3044         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
3045         (dbxout_function_end): Remove ifdefs for it.
3046         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
3047
3048 2004-08-13  Richard Henderson  <rth@redhat.com>
3049
3050         * Makefile.in (insn-preds.o): Depend on TREE_H.
3051         * genpreds.c (write_insn_preds_c): Include tree.h.
3052         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
3053         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
3054         const48_operand, and_operand, or_operand, mode_width_operand,
3055         mode_mask_operand, mul8_operand, const0_operand,
3056         hard_fp_register_operand, hard_int_register_operand,
3057         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
3058         samegp_function_operand, direct_call_operand, small_symbolic_operand,
3059         global_symbolic_operand, call_operand, symbolic_operand,
3060         dtp16_symbolic_operand, dtp32_symbolic_operand,
3061         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
3062         gottp_symbolic_operand, alpha_comparison_operator,
3063         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
3064         signed_comparison_operator, alpha_fp_comparison_operator,
3065         divmod_operator, fix_operator, aligned_memory_operand,
3066         unaligned_memory_operand, reg_or_unaligned_mem_operand,
3067         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
3068         reg_no_subreg_operand, addition_operation): Move to predicates.md.
3069         (reg_or_const_int_operand): Remove.  Replace all users with
3070         reg_or_cint_operand.
3071         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
3072         (resolve_reload_operand): Split out of aligned_memory_operand.
3073         * config/alpha/alpha-protos.h: Update for exports.
3074         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
3075         * config/alpha/alpha.md: Include predicates.md.
3076         * config/alpha/predicates.md: New file.
3077
3078 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
3079
3080         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
3081         fields with a pointer to the instruction definition.
3082         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
3083         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
3084         (write_attr_case, write_const_num_delay_slots): Update accordingly.
3085         (write_attr_case, write_const_num_delay_slots): Write the name of
3086         an insn next to its case statement.
3087         * genoutput.c (data): Add a filename field.
3088         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
3089         (output_insn_data): Print the location of each insn definition.
3090         * genrecog.c (write_action): Print the name of an insn above
3091         the statement that returns its code.
3092
3093 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
3094
3095         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
3096         * config/libgloss.h: Likewise.
3097         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
3098         * c4x/c4x-modes.def: Likewise.
3099         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
3100         (c4x_rptb_nop_p): Likewise.
3101         (c4x_rptb_valid_p): Likewise.
3102         (c4x_rptb_insert): Likewise.
3103         (c4x_address_conflict): Likewise.
3104         * config/c4x/c4x.md: Likewise.
3105         * config/frv/frv.md: Likewise.
3106         * config/i386/athlon.md: Likewise.
3107         * config/i386/i386.md: Likewise.
3108         * config/i386/predicates.md: Likewise.
3109         * config/ia64/ia64.c: Likewise.
3110         * config/ia64/itanium1.md: Likewise.
3111         * config/ia64/itanium2.md: Likewise.
3112         * config/iq2000/iq2000.md: Likewise.
3113         * config/mcore/mcore.c: Likewise.
3114         * config/mips/mips.c: Likewise.
3115         * config/mips/r3900.h: Likewise.
3116         * config/mips/sb1.md: Likewise.
3117         * config/pa/milli64.S: Likewise.
3118         * config/pa/pa.c: Likewise.
3119         * config/pa/pa.h: Likewise.
3120         * config/rs6000/8540.md: Likewise.
3121
3122 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
3123
3124         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
3125
3126 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
3127
3128         * sh.md (cbranch define_delay) Use cond_delay_slot for
3129         non-anulled condition too.
3130
3131 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3132
3133         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
3134         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
3135         any_parallel_operand, lmw_operation, stmw_operation,
3136         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
3137         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
3138         any_parallel_operand.
3139         (return_and_restore_fpregs_{si,di}): Same.
3140
3141 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3142
3143         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
3144         if pred->singleton != PARALLEL, issue a warning and pretend it was.
3145         Also issue a warning for any predicate we don't know about.
3146
3147 2004-08-12  Richard Henderson  <rth@redhat.com>
3148
3149         * config/i386/i386.c (internal_label_prefix): Export.
3150         (internal_label_prefix_len, struct ix86_address,
3151         ix86_decompose_address, maybe_get_pool_constant,
3152         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
3153         memory_address_length): Export.
3154         (any_fp_register_operand, fp_register_operand,
3155         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
3156         x86_64_general_operand, x86_64_szext_general_operand,
3157         x86_64_nonmemory_operand, x86_64_movabs_operand,
3158         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
3159         x86_64_zext_immediate_operand, const_int_1_31_operand,
3160         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
3161         tls_symbolic_operand, global_dynamic_symbolic_operand,
3162         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
3163         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
3164         constant_call_address_operand, const0_operand, const1_operand,
3165         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
3166         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
3167         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
3168         general_no_elim_operand, nonmemory_no_elim_operand,
3169         index_register_operand, q_regs_operand, flags_reg_operand,
3170         non_q_regs_operand, zero_extended_scalar_load_operand,
3171         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
3172         ix86_comparison_operator, ix86_carry_flag_operator,
3173         fcmov_comparison_operator, promotable_binary_operator,
3174         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
3175         mult_operator, div_operator, arith_or_logical_operator,
3176         memory_displacement_operand, cmpsi_operand, long_memory_operand,
3177         aligned_operand): Move to predicates.md as define_predicates.
3178         (tls_symbolic_operand_1): Remove.
3179         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
3180         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
3181         (legitimize_address): Merge tls_symbolic_operand contents.
3182         (ix86_expand_move): Likewise.
3183         * config/i386/i386-protos.h: Update for exports.
3184         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
3185         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
3186         * config/i386/i386.md: Include predicates.md.
3187         * config/i386/predicates.md: New file.
3188
3189 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
3190
3191         PR c++/16924
3192         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
3193         SYMBOL_REF_DECL.
3194         (i386_pe_mark_dllimport): Likewise.
3195         (i386_pe_encode_section_info): Likewise, when overriding
3196         dllimport attribute.
3197
3198 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
3199
3200         * configure.ac: When testing for flex, nm, ar, and bison, check
3201         that they will actually be built.
3202         * configure: Regenerate.
3203
3204 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
3205
3206         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
3207         (MOVE_MAX_PIECES): Define.
3208
3209 2004-08-12  Devang patel  <dpatel@apple.com>
3210
3211         * dbxout.c (dbxout_begin_prologue): New function.
3212         (dbx_debug_hooks): Use new begin prologue hook.
3213         (dbxout_function_end): Emit N_ENSYM.
3214         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
3215
3216 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
3217
3218         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
3219         argument is float*.
3220
3221         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
3222         for vec_dss.
3223
3224         * doc/extend.texi (AltiVec builtins): Fix description for recent
3225         changes.  Update operation list to match current support.
3226
3227 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3228
3229         * config/s390/s390.c (struct s390_frame_layout): New struct as element
3230         of struct machine_function.
3231         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
3232         changed all uses.
3233         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
3234         changed all uses.
3235         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
3236         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
3237         (s390_frame_area, s390_register_info): New functions.
3238         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
3239         for base register.
3240         (s390_return_addr_rtx, s390_return_address_offset)
3241         (s390_va_start, s390_gimplify_va_arg)
3242         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
3243         layouts.
3244         (s390_frame_info): Functionality partly moved to s390_register_info.
3245         Made adaptions for new stack layout.
3246         (save_gprs, restore_gprs): Changed meaning of second parameter and
3247         adapted all callers.
3248
3249         * config/s390/s390.h (s390_backchain_string): New global variable.
3250         (MASK_BACKCHAIN): Removed definition.
3251         (TARGET_BACKCHAIN): Changed check.
3252         (TARGET_KERNEL_BACKCHAIN): New macro.
3253         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
3254         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
3255         "kernel-backchain".
3256         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
3257
3258         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
3259         as condition.  Adjusted for new stack layout.
3260
3261         * doc/invoke.texi: Added documentation for new option
3262         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
3263         "-mno-backchain".
3264
3265 2004-08-12  Paul Brook  <paul@codesourcery.com>
3266
3267         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
3268         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
3269
3270 2004-08-12  David Daney  <ddaney@avtrex.com>
3271
3272         * java/gcj.texi:  Add subsection on signal usage.
3273
3274 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3275
3276         * expr.c (move_by_pieces): Set alignment for move to minimum of
3277         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
3278         alignment, but not less than the original alignment.
3279         (move_by_pieces_ninsns): Same.
3280         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
3281         (store_by_pieces_1): Same.
3282
3283 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
3284
3285         PR tree-optimization/16867
3286         * tree.c (is_global_var): New function.
3287         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
3288         Call is_global_var.
3289         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
3290         Update all users.
3291         (is_global_var): Declare.
3292         * tree-dfa.c (dump_variable): Display global and addressable
3293         attributes.
3294         (add_referenced_var): Clarify documentation when marking
3295         variables call-clobbered.
3296         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
3297         instead of needs_to_live_in_memory.
3298         (mark_call_clobbered): If the variable is a tag, mark it
3299         DECL_EXTERNAL.
3300         * tree-gimple.c (is_gimple_reg): Don't check for
3301         TREE_ADDRESSABLE.
3302         (is_gimple_non_addressable): Likewise.
3303         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
3304         needs to be marked call-clobbered.
3305         (setup_pointers_and_addressables): Call is_global_var instead
3306         of needs_to_live_in_memory.
3307         * tree-ssa-dce.c (need_to_preserve_store): Remove.
3308         Update all users with is_global_var.
3309         (mark_stmt_if_obviously_necessary): Fix processing of aliased
3310         stores.  Don't check the virtual definitions.  Rather, check
3311         whether the store is going into global memory.
3312         (find_obviously_necessary_stmts): Get the symbol from the PHI
3313         result.
3314         * tree-ssa-operands.c (get_call_expr_operands): Do not add
3315         clobbering may-defs if the call does not have side effects.
3316
3317 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
3318
3319         PR c++/16276
3320         * output.h (default_function_rodata_section,
3321         default_no_function_rodata_section): New prototypes.
3322         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
3323         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3324         (TARGET_ASM_OUT): Add it.
3325         * varasm.c (default_function_rodata_section,
3326         default_no_function_rodata_section): New functions.
3327         * final.c (final_scan_insn): Call
3328         targetm.asm_out.function_rodata_section instead of
3329         readonly_data_section.
3330         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3331         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3332         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3333         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3334         Likewise.
3335         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3336         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3337         Likewise.
3338         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3339         Likewise.
3340         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3341         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3342         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
3343
3344 2004-08-12  Paul Brook  <paul@codesourcery.com>
3345
3346         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
3347         frame info.
3348         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
3349         DWARF2_UNWIND_INFO.
3350
3351 2004-08-12  Ben Elliston  <bje@au.ibm.com>
3352
3353         PR target/16286
3354         * config/rs6000/altivec.h: Change vector to __vector throughout.
3355         (Except for the `vector' macro itself).
3356
3357 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3358
3359         * genpreds.c: Add capability to generate predicate bodies as
3360         well as function prototypes.  Write function prototypes for
3361         the generic predicates too.
3362         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
3363         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
3364         (write_match_code, write_predicate_expr, write_one_predicate_function)
3365         (parse_option): New functions.
3366         (output_predicate_decls): Delete.
3367         (main): Read the machine description, process DEFINE_PREDICATE or
3368         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
3369         as appropriate.
3370
3371         * genrecog.c (struct decision_test): Replace index with
3372         struct pred_data pointer.
3373         (next_index): Remove, unused.
3374         (pred_table, preds, special_mode_pred_table): Delete.
3375         (compute_predicate_codes, process_define_predicate): New functions.
3376         (validate_pattern, add_to_sequence, write_switch): Update for
3377         new data structures.
3378         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3379         Check both error_count and have_error.
3380
3381         * gensupport.c (in_fname, first_predicate): New globals.
3382         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
3383         (predicate_table, last_predicate, old_pred_table)
3384         (old_special_pred_table): New statics.
3385         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
3386         (add_predicate, init_predicate_table): New functions.
3387         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3388         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
3389         it or max_include_len.  Call init_predicate_table.
3390         (read_rtx): Run the predicate queue after the attribute queue
3391         but before all the others.
3392         * gensupport.h (in_fname, struct pred_data, first_predicate)
3393         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
3394         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
3395         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
3396         * dummy-conditions.c: Don't include bconfig.h, system.h,
3397         coretypes.h, tm.h, or system.h.  Do include stddef.h.
3398         Duplicate declaration of struct c_test from gensupport.h.
3399
3400         * Makefile.in (OBJS-common): Add insn-preds.o.
3401         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
3402         (insn-preds.c, insn-preds.o): New rules.
3403         (s-preds): Also generate insn-preds.c.
3404         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
3405         Update dependencies.
3406         (print-rtl.o, print-rtl1.o): Correct dependencies.
3407
3408         * recog.h: Delete prototypes of predicate functions.
3409
3410         * doc/md.texi (Predicates): New section with complete
3411         documentation of operand/operator predicates.  Remove some
3412         incomplete documentation of predicates from other places.
3413         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
3414         PREDICATE_CODES; indicate that both are deprecated in favor
3415         of define_predicate/define_special_predicate.
3416
3417         * config/ia64/ia64.c: All predicate function definitions moved
3418         to ia64.md, except
3419         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
3420         (ia64_expand_load_address, ia64_expand_move):
3421         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
3422
3423         * config/ia64/ia64.md: All predicates now defined here.
3424         (symbolic_operand): Is now a special predicate.
3425
3426         * config/ia64/ia64.h: Declare ia64_section_threshold.
3427         (PREDICATE_CODES): Delete.
3428
3429 2004-08-12  Richard Henderson  <rth@redhat.com>
3430
3431         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
3432         * c-semantics.c (add_stmt): Set it.
3433         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
3434         before instantiating a variable sized type.
3435
3436 2004-08-12  Richard Henderson  <rth@redhat.com>
3437
3438         * stor-layout.c (round_up, round_down): Move ...
3439         * fold-const.c (round_up, round_down): ... here.  Use
3440         multiple_of_p to avoid any arithmetic at all.
3441
3442 2004-08-12  Richard Henderson  <rth@redhat.com>
3443
3444         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
3445         (gimplify_init_ctor_preeval_1): New.
3446         (gimplify_init_ctor_preeval): New.
3447         (gimplify_init_ctor_eval): New.
3448         (gimplify_init_constructor): Use them.  Always gimplify the LHS
3449         object first.
3450
3451 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
3452
3453         (This patch is part of merge of objc-improvements-branch
3454         into mainline.)
3455
3456         * doc/frontends.texi: Mention Objective-C++ in addition to
3457         Objective-C.
3458         * doc/install.texi: Add 'obj-c++' to list of configurable
3459         languages.
3460         * doc/invoke.texi: Rename Objective-C option headings to
3461         indicate they also apply to Objective-C++.  List file
3462         extensions for Objective-C++ sources.  Mention that
3463         ObjC and ObjC++ compilations may also use C and C++ options,
3464         respectively.  Point users to doc/standards.texi for
3465         further info on ObjC and ObjC++.
3466         * doc/sourcebuild.texi: Mention the objcp/ directory and
3467         the Objective-C++ sources it contains.
3468         * doc/standards.texi: Update link to Apple ObjC site;
3469         add link to gcc readings.html WWW doc.
3470
3471 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
3472
3473         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
3474         and 2004-07-14 changes.
3475
3476 2004-08-12  Paul Brook  <paul@codesourcery.com>
3477
3478         * doc/invoke.texi: Fix typo.
3479
3480 2004-08-11 Devang Patel  <dpatel@apple.com>
3481
3482         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
3483         and -no_dead_strip_inits_and_terms.
3484         (LINK_SPEC): Same.
3485         * doc/invoke.texi (Darwin Options): Document -dead_strip and
3486         -no_dead_strip_inits_and_terms.
3487
3488 2004-08-11  Paul Brook  <paul@codesourcery.com>
3489
3490         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
3491         (arm_load_pic_register): ... to this.
3492         * config/arm/arm.c (arm_finalize_pic): Rename ...
3493         (arm_load_pic_register): ... to this.  Always output insns at the
3494         current location.  Load via low reg in thumb mode.
3495         (arm_expand_prologue): Call arm_load_pic_register.
3496         (thumb_expand_prologue): Ditto.
3497         * config/arm/arm.h (FINALIZE_PIC): Remove.
3498         * config/arm/arm.md (builtin_setjmp_receiver): Call
3499         arm_load_pic_register.
3500
3501 2004-08-11  Paul Brook  <paul@codesourcery.com>
3502
3503         * arm.c (thumb_force_lr_save): Add prototype.
3504         (thumb_compute_save_reg_mask): New function.
3505         (thumb_find_work_register): New function.
3506         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
3507         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
3508         Don't clobber r3 when removing pretend args.
3509         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
3510         (thumb_output_function_prologue): Use new functions.
3511         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
3512         * arm.h (THUMB_REG_PUSHED_P): Remove.
3513
3514 2004-08-11  James E Wilson  <wilson@specifixinc.com>
3515
3516         PR rtl-optimization/16490
3517         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
3518         global_live_at_end for new basic block if already set for other blocks.
3519
3520 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
3521
3522         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
3523
3524         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
3525         (mfcr rlwinm rlwinm patterns): Set length to 12.
3526
3527 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
3528
3529         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
3530         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
3531         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
3532         (start_ssa_stmt_operands): Delete.
3533         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
3534         struct stmt_operands_d.
3535         (build_ssa_operands): New extern entry point.
3536         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
3537         building code, replace with create_ssa_artficial_load_stmt().
3538         * tree-ssa-operands.c (struct voperands_d): Delete.
3539         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
3540         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
3541         (free_uses, free_defs, free_vuses, free_v_may_defs,
3542         free_v_must_defs): Remove dealloc parameter.
3543         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
3544         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
3545         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
3546         vector comparisons, ssa_name reuse, and allocations here.
3547         (verify_start_operands): Delete.
3548         (finalize_ssa_stmt_operands): Set new operands by calling finalize
3549         routines.
3550         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
3551         (append_def, append_usei): Simplify to simple accumulation.
3552         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
3553         duplicates and simple accumulation.
3554         (free_ssa_operands): Free vectors in a stmt_operand structure.
3555         (build_ssa_operands): New. Create a new stmt_operand structure from
3556         a stmt and an old set of stmt_operands.
3557         (get_stmt_operands): Simplify and call build_ssa_operands.
3558         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
3559         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
3560         add_call_read_ops): Don't pass prev_vops around anymore.
3561         (note_addressable): Return if no stmt annotation.
3562         (copy_virtual_operands): Access v_may_def operands through a struct.
3563         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
3564         hash tables without treating the stmt as a real stmt.
3565         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
3566         v_may_def def and use through a struct instead of 2 array elements.
3567         (struct v_may_def_optype_d): Use v_may_def_operand_type.
3568         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
3569
3570 2004-08-11  Nick Clifton  <nickc@redhat.com>
3571
3572         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
3573         this funciton's behaviour.  Return true when the current function
3574         has a section attribute and -mlong-calls is in effect.
3575         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
3576         short-call marker when -mlong-calls is in effect and the function
3577         has a section attribute.
3578
3579 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
3580
3581         * stmt.c (expand_return): If asked to return the RESULT_DECL,
3582         just call expand_value_return on result_rtl.
3583
3584 2004-08-10  Richard Henderson  <rth@redhat.com>
3585
3586         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
3587         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
3588         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
3589         (add_location_or_const_value_attribute): ... not here.  Use
3590         loc_descriptor_from_tree if possible.
3591         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
3592         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
3593         values specially.
3594         (loc_descriptor_from_tree): New.  Update callers.
3595         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
3596         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
3597         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
3598         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
3599         and BUILT_IN_STACK_RESTORE.
3600         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
3601         * stmt.c (expand_stack_alloc): Remove.
3602         * tree-mudflap.c (mx_register_decls): Don't look for
3603         BUILT_IN_STACK_ALLOC.
3604         * tree-nested.c (convert_local_reference): Likewise.
3605         * tree.h (DECL_VALUE_EXPR): New.
3606
3607 2004-08-10  Richard Henderson  <rth@redhat.com>
3608
3609         * stor-layout.c (round_up): Check for 0/1 before dividing.
3610         (round_down): Likewise.
3611
3612         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
3613
3614 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
3615
3616         * config.gcc (arm*-*-eabi*): New target.
3617         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
3618         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3619         * expmed.c (expand_divmod): Try a two-valued divmod function as a
3620         last resort.
3621         * gthr.h: Remove bogus tokens at end of #pragma.
3622         * optabs.c (expand_twoval_binop_libfunc): New function.
3623         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
3624         (prepare_float_lib_cmp): Try reversing the condition.
3625         (debug_optab_libfuncs): New function.
3626         * optabs.h (expand_twoval_binop_libfunc): Declare.
3627         * config/arm/arm.c (arm_init_libfuncs): New function.
3628         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
3629         (TARGET_INIT_LIBFUNCS): Define it.
3630         * config/arm/arm.h (TARGET_BPABI): New macro.
3631         * config/arm/arm-protos.h
3632         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
3633         * config/arm/bpabi.S: New file.
3634         * config/arm/bpabi.c: Likewise.
3635         * config/arm/bpabi.h: Likewise.
3636         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
3637         (__aeabi_drsub): Likewise.
3638         (__aeabi_dsub): Likewise.
3639         (__aeabi_dadd): Likewise.
3640         (__aeabi_ui2d): Likewise.
3641         (__aeabi_i2d): Likewise.
3642         (__aeabi_f2d): Likewise.
3643         (__aeabi_dmul): Likewise.
3644         (__aeabi_ddiv): Likewise.
3645         (__aeabi_cdrcmple): Likewise.
3646         (__aeabi_cdcmpeq): Likewise.
3647         (__aeabi_cdcmple): Likewise.
3648         (__aeabi_dcmpeq): Likewise.
3649         (__aeabi_dcmplt): Likewise.
3650         (__aeabi_dcmple): Likewise.
3651         (__aeabi_dcmpge): Likewise.
3652         (__aeabi_dcmpgt): Likewise.
3653         (__aeabi_dcmpun): Likewise.
3654         (__aeabi_d2iz): Likewise.
3655         (__aeabi_d2uiz): Likewise.
3656         (__aeabi_d2f): Likewise.
3657         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
3658         (__aeabi_frsub): Likewise.
3659         (__aeabi_fsub): Likewise.
3660         (__aeabi_fadd): Likewise.
3661         (__aeabi_ui2f): Likewise.
3662         (__aeabi_i2f): Likewise.
3663         (__aeabi_fmul): Likewise.
3664         (__aeabi_fdiv): Likewise.
3665         (__aeabi_cfrcmple): Likewise.
3666         (__aeabi_cfcmpeq): Likewise.
3667         (__aeabi_cfcmple): Likewise.
3668         (__aeabi_fcmpeq): Likewise.
3669         (__aeabi_fcmplt): Likewise.
3670         (__aeabi_fcmple): Likewise.
3671         (__aeabi_fcmpge): Likewise.
3672         (__aeabi_fcmpgt): Likewise.
3673         (__aeabi_fcmpun): Likewise.
3674         (__aeabi_f2iz): Likewise.
3675         (__aeabi_f2uiz): Likewise.
3676         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
3677         (__aeabi_uidivmod): New function or alias.
3678         (__aeabi_idivmod): Likewise.
3679         (__aeabi_idiv0): Likewise.
3680         (__aeabi_ldiv0): Likewise.
3681         (__aeabi_llsr): Likewise.
3682         (__aeabi_lasr): Likewise.
3683         (__aeabi_llsl): Likewise.
3684         (bpabi.S): Include it.
3685         * config/arm/libgcc-bpabi.ver: New file.
3686         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
3687         (LINK_SPEC): Remove.
3688         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
3689         __aeabi_ulcmp.
3690         * config/arm/t-bpabi: New file.
3691         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
3692         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3693
3694 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
3695
3696         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
3697         * config/rs6000/rs6000.md (clrmemsi): New pattern.
3698         * config/rs6000/rs6000.c (expand_block_clear): New function.
3699         (expand_block_move): Convert alignment to bits.  Use SImode and
3700         HImode for unaligned addresses if not STRICT_ALIGNMENT.
3701
3702 2004-08-10  Caroline Tice  <ctice@apple.com>
3703
3704         * varasm.c (unlikely_section_label): New global variable.
3705         (unlikely_text_section_name): New global variable.
3706         (text_section):  Remove alignment statement.
3707         (unlikely_text_section): Remove alignment statement; use
3708         unlikely_section_label rather than hard-coded string.
3709         (assemble_start_function): Initialize unlikely_section_label and
3710         unlikely_text_section_name;  make sure cold section is properly
3711         aligned at start of function; output unlikely_section_label if
3712         appropriate.
3713
3714 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
3715
3716         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
3717         * config/s390/s390.c (s390_canonicalize_comparison): New function.
3718         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
3719         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
3720         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
3721         ("*tmqi_mem"): Remove SUBREG from pattern.
3722         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
3723         ("*andsi3_cconly"): Likewise.
3724
3725 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3726
3727         PR target/16909
3728         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
3729
3730 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
3731
3732         * doc/sourcebuild.texi (compat testing): Document available test
3733         framework commands.  Use the preferred spelling of DejaGnu.
3734
3735 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
3736
3737         * lambda.h: Add matrix type, and prototypes for remainder of
3738         matrix and vector functions.
3739         (lambda_vector_mult_const): New function.
3740         (lambda_vector_negate): Ditto.
3741         (lambda_vector_add): Ditto.
3742         (lambda_vector_add_mc): Ditto.
3743         (lambda_vector_copy): Ditto.
3744         (lambda_vector_zerop): Ditto.
3745         (lambda_vector_equal): Ditto.
3746         (lambda_vector_min_nz): Ditto.
3747         (lambda_vector_first_nz): Ditto.
3748         (lambda_vector_matrix_mult): Ditto.
3749         * lambda-mat.c: New file.
3750         * Makefile.in (lambda-mat.o): New.
3751
3752 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
3753
3754         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
3755         after linking stmt into the program.
3756         (bsi_remove): Don't call modify_stmt.
3757         * tree-complex.c (update_complex_assignment,
3758         expand_complex_comparison): Call modify_stmt after changing the stmt.
3759         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
3760         removing the stmt.
3761         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
3762         the stmt, and only if needed.
3763         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
3764         expression.
3765         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
3766         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
3767         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
3768         (eliminate_redundant_computations): Don't pass an annotation. Call
3769         modify_stmt rather than setting the annotation directly.
3770         (record_equivalences_from_stmt): Remove unused local 'j'.
3771         (cprop_operand): Take a stmt rather than an annotation as a parameter.
3772         Call modify_stmt.
3773         (cprop_into_stmt): Pass stmt rather than annotation.
3774         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
3775         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
3776         modify_stmt.
3777         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
3778
3779 2004-08-10  Jason Merrill  <jason@redhat.com>
3780
3781         PR middle-end/16948
3782         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
3783         the RESULT_DECL.
3784
3785 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
3786
3787         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
3788         hash function.
3789
3790 2004-08-10  Roger Sayle  <roger@eyesopen.com>
3791
3792         * config/mips/mips.md: New reciprocal square root patterns that
3793         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
3794
3795 2004-08-10  Paul Brook  <paul@codesourcery.com>
3796
3797         * config/arm/arm-protos.h (arm_set_return_address,
3798         thumb_set_return_address): Add prototypes.
3799         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
3800         * config/arm/arm.c (arm_compute_func_type,
3801         use_return_insn, arm_compute_save_reg0_reg12_mask,
3802         arm_compute_save_reg_mask, arm_output_function_prologue,
3803         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
3804         current_function_calls_eh_return.
3805         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
3806         old eh code.
3807         (arm_set_return_address, thumb_set_return_address): New functions.
3808         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
3809         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
3810         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
3811         (epilogue): Use the stackadj register.
3812         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
3813
3814 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
3815
3816         PR target/3144
3817         * expr.c (move_by_pieces_ninsns): Add max_size argument.
3818         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
3819         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
3820         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
3821         but using MOVE_RATIO.
3822         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
3823         (can_store_by_pieces): Change max_size type to unsigned int.
3824         (store_by_pieces_1): Likewise.  Pass max_size to
3825         move_by_pieces_ninsns.
3826         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
3827         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
3828         to move_by_pieces_ninsns.
3829         (STORE_BY_PIECES_P): Define.
3830         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
3831         to move_by_pieces_ninsns.
3832         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
3833
3834         * config/i386/i386.h (CLEAR_RATIO): Define.
3835
3836 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3837
3838         * expr.c (expand_expr_real_1): Add back code that was not dead.
3839
3840 2004-08-09  Andrew Pinski  <apinski@apple.com>
3841
3842         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
3843         which is found to be compatible before returning the aliasing set.
3844
3845 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
3846
3847         * ggc-zone.c (struct alloc_zone): Add statistics counters.
3848         (always_collect): New flag.
3849         (ggc_alloc_zone_1): Update statistics support.  Don't include
3850         overhead in allocated counter.
3851         (sweep_pages): Update allocated counter for large pages.  Don'y
3852         include overhead.
3853         (ggc_collect_1): Always collect.
3854         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
3855         whether to collect.
3856         (SCALE, LABEL): New macros.
3857         (ggc_print_statistics): Add statistics support.
3858
3859 2004-08-09  Roger Sayle  <roger@eyesopen.com>
3860
3861         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
3862         (init_expmed): Fix potential overrun problem with "all.reg".
3863         (expand_sdiv2_pow2): Add an alternate implementation for signed
3864         division, if the target provides a suitable conditional move insn.
3865
3866 2004-08-09  Paul Brook  <paul@codesourcery.com>
3867         Richard Henderson  <rth@redhat.com>
3868
3869         * unwind-dw2.c (uw_install_context_1): Update target saved stack
3870         pointer.
3871
3872 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
3873
3874         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
3875         Check DATA limit only if there's no AS limit.  Ignore insanely
3876         low DATA limits.
3877         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
3878         but take care that the AS limit isn't overrun.
3879         * doc/invoke.texi: Update documentation of min-heapsize parameter.
3880
3881 2004-08-09  Jeff Law  <law@redhat.com>
3882
3883         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
3884         (tree-ssa-threadupdate.o): Add dependencies.
3885         * tree-ssa-threadupdate.c: New file.
3886         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
3887         (rewrite_vars_out_of_ssa): Remove prototype.
3888         (cleanup_tree_cfg): Returns a bool.
3889         * tree.h (thread_through_all_blocks): Prototype.
3890         * tree-outof-ssa.c  (SSANORM_*): Move into here.
3891         (remove_ssa_form): Now static.
3892         (rewrite_vars_out_of_ssa): Kill.
3893         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
3894         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
3895         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
3896         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
3897         anything was changed.
3898         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
3899         from the PHI's annotation rather than the edge associated with
3900         the new argument.
3901         * tree-ssa-dom.c (redirection_edges): Kill.
3902         (redirect_edges_and_update_ssa_graph): Kill.
3903         (tree_ssa_dominator_optimize): Do not reset forwardable flag
3904         for blocks anymore.  Do not initialize redirection_edges.
3905         Call thread_through_all_blocks.  Simplify code for cleanup
3906         of the CFG and iterating.  No longer call cleanup_tree_cfg
3907         outside the iteration loop.
3908         (thread_across_edge): No longer mess with forwardable blocks.
3909
3910 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
3911
3912         * explow.c (memory_address): Use memory_address_p.
3913         * recog.c (general_operand): Likewise.
3914         * regrename.c: No need to define REG_OK_STRICT.
3915
3916 2004-08-09  Steven Bosscher  <stevenb@suse.de>
3917
3918         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
3919         New timers.
3920         * gcse.c: Include timevar.h.
3921         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
3922         and global_copy_prop_count.
3923         (local_const_prop_count, local_copy_prop_count): New static globals.
3924         (gcse_main): Set the right timevar for each pass.
3925         (cprop_jump): Increment global_const_prop_count when a constant is
3926         propagated.  Add "GLOBAL" to dump output.
3927         (cprop_insn): Increment global_const_prop_count when a constant is
3928         propagated, or global_copy_prop_count when a copy is propagated.
3929         (do_local_cprop): Likewise for local_const_prop_count and
3930         local_copy_prop_count.
3931         (one_cprop_pass): Initialize const/cprop counters to zero.
3932         Print out results of local and global const/cprop separately.
3933         (bypass_block): Break over-length line.
3934         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
3935         for bb-reorder.o and tracer.o.
3936
3937 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3938
3939         * Makefile.in (GTFILES): Remove stmt.c
3940         (stmt.o): Do not depend on gt-stmt.h.
3941         * emit-rtl.c (emit_line_note): Do not call
3942         set_file_and_line_for_stmt.
3943         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
3944         do everything.
3945         * function.c (free_after_parsing): Do not free STMT field.
3946         (allocate_struct_function): Do not call init_stmt_for_function.
3947         (assign_stack_temp_for_type): Do not accept values of keep
3948         other than 0 or 1.
3949         (init_temp_slots): Do not initialize removed variables.
3950         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
3951         and X_VAR_TEMP_SLOT_LEVEL fields.
3952         * rtl.h (set_file_and_line_for_stmt): Remove.
3953         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
3954         struct stmt_status, cond_stack, case_stack, nesting_stack,
3955         nesting_depth, emit_locus, set_file_and_line_for_stmt,
3956         same_case_target_p, init_stmt_for_function, emit_nop,
3957         expand_start_cond, expand_start_elseif, expand_start_else,
3958         expand_elseif, expand_end_cond): Remove.
3959         (preserve_subexpressions_p): Remove references to CFUN->STMT.
3960         (expand_start_case, expand_end_case_type): Remove, merge into...
3961         (expand_case): ... this one, including other bits from
3962         expand_expr_real_1.  Inline same_case_target_p.  Turn members
3963         of CASE_STACK into local variables.
3964         (emit_case_bit_tests): Inline same_case_target_p.
3965         (add_case_node): Add HEAD argument, return new head of the list,
3966         do not handle default label here.
3967         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
3968         expand_start_elseif, current_nesting_level, expand_start_case,
3969         expand_end_case_type, expand_end_case, add_case_node,
3970         init_stmt_for_function, expand_elseif): Remove prototypes.
3971         (expand_case): Add prototype.
3972
3973 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3974
3975         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
3976
3977 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3978
3979         * expr.c (var_rtx): Remove.
3980         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
3981         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
3982         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
3983         Abort.
3984         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
3985         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
3986         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
3987
3988 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
3989         Ayal Zaks <zaks@il.ibm.com>
3990
3991         * common.opt (freschedule-modulo-scheduled-loops): New flag.
3992         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
3993         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
3994         when -freschedule-modulo-scheduled-loops flag is not specified.
3995         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
3996         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
3997         More accurate placing of insn in row of partial schedule.
3998         (ps_insn_find_column): New function.
3999         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
4000         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
4001         (schedule_region): Use sched_is_disabled_for_current_region_p.
4002         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
4003
4004 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4005
4006         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
4007         change.
4008
4009 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4010
4011         * config/i386/i386.c (ix86_expand_clrmem): Properly call
4012         gen_strset for 64bit target.
4013
4014 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
4015
4016         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
4017
4018 2004-08-07  Jason Merrill  <jason@redhat.com>
4019
4020         Make return in memory explicit.
4021         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
4022         (assign_parm_find_data_types): Remove code for old front end
4023         invisible reference handling.
4024         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
4025         (expand_function_end): Likewise.
4026         * gimplify.c (gimplify_return_expr): Handle a dereferenced
4027         RESULT_DECL.
4028         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
4029         (declare_return_variable): Handle DECL_BY_REFERENCE.
4030         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
4031         (cp_genericize_r): Use convert_from_reference.
4032         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
4033         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
4034
4035         * c-common.c (c_warn_unused_result): Check TREE_USED before
4036         warning about a CALL_EXPR with an unused value.
4037
4038 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4039
4040         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
4041         to the compiler.  Use -fshort-wchar by default.
4042
4043 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
4044
4045         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
4046         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
4047         threshhold.
4048         * doc/invoke.texi (param): Document min-crossjump-insns.
4049
4050 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
4051
4052         PR c/13282
4053         * c.opt (Wmissing-field-initializers): New option.
4054         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
4055         * c-typeck.c (pop_init_level): Guard the missing field warning with
4056         warn_missing_field_initializers rather than extra_warnings.
4057         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
4058         some of the explanation from...
4059         (-Wextra): ...here.  Say that the missing field warning can be
4060         seperately controlled by -Wmissing-field-initializers.
4061
4062 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
4063
4064         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
4065         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
4066         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
4067         * tree.def (ENTRY_VALUE_EXPR): Remove.
4068
4069 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
4070
4071         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
4072         the places where it is actually needed.  Don't use repz; stosb
4073         for -Os with sufficiently small constant sizes.
4074         For sufficiently small repz; stos{l,q} repeat counts use a sequence
4075         of stos{l,q} instructions instead.
4076
4077 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4078
4079         PR tree-optimization/16807
4080         * loop-iv.c (dump_iv_info): Dump invariants correctly.
4081         (iv_subreg, iv_extend): Express value of invariant purely in
4082         base field.
4083
4084 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4085
4086         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
4087         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
4088
4089 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
4090
4091         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
4092         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
4093         pre_dec_operand.
4094         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
4095         pattern until reload is finished to allow better code generation
4096         and split them completely into separate instrunctions.
4097         (*andsi3_split): New pattern.
4098
4099 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
4100
4101         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
4102         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
4103         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4104         * tree.h (handle_dll_attribute): Declare.  Test
4105         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4106         * c-common.h (c_determine_visibility): Declare.
4107         * c-common.c (c_determine_visibility): New function.
4108         * c-decl.c (finish_decl): Use it.
4109         (finish_function): Likewise.
4110         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
4111         zero, by default.  Use #if, not #ifdef, to test it.
4112         * config/arm/arm.c (arm_attribute_table): Use
4113         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
4114         #if.
4115         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
4116         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4117         to 1.
4118         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
4119         * config/i386/i386.c (ix86_attribute_table): Use
4120         handle_dll_attribute for dllimport/dllexport.  Test
4121         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4122         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
4123         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4124         it to 1.
4125         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
4126         with #if.
4127         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4128         it to 1.
4129         * doc/extend.texi (dllexport): Clarify and correct documentation.
4130         (dllimport): Likewise.
4131         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
4132         handle_dll_attribute.
4133
4134 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4135
4136         * tree-ssa-loop-manip.c: New file.
4137         * Makefile.in (tree-ssa-loop-manip.o): Add.
4138         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
4139         Declare.
4140         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
4141         form.
4142         (tree_ssa_loop_done): Verify loop closed ssa form.
4143         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
4144
4145 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4146
4147         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
4148         pa_asm_output_aligned_local): New functions.
4149         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
4150         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
4151         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
4152         pa_asm_output_aligned_common.
4153         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4154         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
4155         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4156         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4157         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
4158         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4159         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4160         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
4161         common data.
4162
4163 2004-08-05  Andrew Pinski  <apinski@apple.com>
4164
4165         * objc/objc-act.c (build_objc_string_object): Mark the address
4166         expression as constant.
4167
4168 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
4169
4170         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
4171         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
4172         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
4173
4174 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4175
4176         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
4177         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
4178         out, and associated obsolete comments.
4179
4180 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
4181
4182         * tree.h (force_fit_type): Return a tree, take three flags.
4183         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
4184         TREE_CONSTANT_OVERFLOW here.
4185         (int_const_binop, const_binop): Adjust.
4186         (size_int_type): Do sign extension here.
4187         (fold_convert_const, optimize_bit_field_compare,
4188         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
4189         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
4190         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
4191
4192 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4193
4194         PR tree-optimization/16864
4195         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
4196         for ssa names without default_def.
4197
4198 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
4199
4200         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
4201         frame pointer, restore eax with an ebp-relative address.
4202
4203 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
4204
4205         PR 14516
4206         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
4207         * c-common.h (make_rtl_for_local_static): Delete.
4208         * c-decl.c (shadow_tag_warned): Clean up comment.
4209         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
4210         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
4211         * c-semantics.c (make_rtl_for_local_static): Delete.
4212         * expr.c (init_block_move_fn): Use set_user_assembler_name.
4213         (init_block_clear_fn): Likewise.
4214         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
4215         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
4216         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
4217         * tree.h (make_decl_rtl): Remove second parameter.
4218         (set_user_assembler_name): New.
4219         * varasm.c (set_user_assembler_name): New.
4220         (make_decl_rtl): Remove second parameter.  Update callers in many
4221         files.
4222
4223 2004-08-05  Adam Nemet  <anemet@lnxw.com>
4224
4225         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
4226         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
4227         to LynxOS 4.0.
4228         * gthr-lynx.h: New file.
4229         * config/lynx-ng.h: Remove file.
4230         * config/lynx.h: Update to LynxOS 4.0.
4231         * config/t-lynx: New file.
4232         * config/i386/lynx-ng.h: Remove file.
4233         * config/i386/lynx.h: Update to LynxOS 4.0.
4234         * config/rs6000/lynxbase.h: Remove file.
4235         * config/rs6000/lynx.h: Update to LynxOS 4.0.
4236         * config/rs6000/t-lynx: New file.
4237         * doc/install.texi (Options specification): Remove reference to
4238         LynxOS from systems where --with-gnu-as makes a difference.
4239
4240 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4241
4242         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
4243         __UINTMAX_TYPE__.
4244         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
4245         __INTMAX_MAX__.
4246         (c_cpp_builtins): Call it.
4247         * doc/cpp.texi: Update.
4248
4249 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
4250
4251         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
4252         cost.
4253
4254 2004-08-04  Jan Hubicka  <jh@suse.cz>
4255
4256         * basic-block.h (profile_staus): New global variable.
4257         * cfg.c (profile_status): Declare.
4258         (check_bb_profile): Break out from ....; use profile_status
4259         (dump_flow_info): ... here.
4260         * cfgbuild.c (find_basic_blocks): Set profile_status.
4261         * cfgexpand.c (tree_expand_cfg): Likewise.
4262         * predict.c (estimate_probability): Likewise.
4263         * profile.c (branch_prob): Likewise.
4264         * tree-cfg.c (build_tree_cfg): Likewise.
4265         (dump_function_to_file): Use check_bb_profile.
4266         * tree-pretty-print (dump_bb_header): Likewise.
4267         * tree-profile.c (do_tree_profiling): Cleanup.
4268
4269 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
4270
4271         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
4272         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
4273         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
4274         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
4275         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
4276         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
4277         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
4278         (ggc-none.o, errors.o): Move rule to generators section;
4279         correct dependencies.
4280         (min-insn-modes.o): Move rule to generators section; remove
4281         unnecessary explicit command; correct dependencies.
4282         (print-rtl.o, print-rtl1.o): Correct dependencies.
4283         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
4284         (mostlyclean): Update.
4285
4286         * errors.c: Include bconfig.h not config.h.  Correct comment.
4287         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
4288         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
4289         * print-rtl.c: Don't include tm_p.h.
4290
4291         * rtl.h: Move forward-decl of struct function down where it's
4292         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
4293         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
4294
4295 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4296             Jeff Law  <law@redhat.com>
4297
4298         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
4299         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
4300         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
4301         manipulate the duplicated ssa names.
4302         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
4303         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
4304         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
4305         New functions.
4306         (release_ssa_name): Do not release ssa names that may have multiple
4307         definitions.
4308         * tree.h (release_ssa_name_force, mark_for_rewrite,
4309         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
4310         marked_ssa_names): Declare.
4311         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
4312         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
4313         Update call to rewrite_ssa_into_ssa.
4314
4315 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
4316
4317         * defaults.h (TARGET_DECLSPEC): New macro.
4318         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
4319         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
4320         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
4321         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
4322         __declspec support.
4323         (TARGET_DECLSPEC): Define.
4324         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
4325         __declspec support.
4326         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
4327         __declspec support.
4328         (TARGET_DECLSPEC): Define.
4329         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
4330         __declspec support.
4331         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
4332         support.
4333         * doc/tm.texi (TARGET_DECLSPEC): Document.
4334
4335         * doc/extend.texi: Fix typo in comment.
4336
4337 2004-08-04  Paul Brook  <paul@codesourcery.com>
4338
4339         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4340         (TARGET_CXX): Use it.
4341         * target.h (struct gcc_target): Add cdtor_returns_this.
4342         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
4343         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4344         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
4345
4346 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
4347
4348         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
4349         low/high pair. Do range checking directly.
4350         (interpret_integer): Adjust.
4351
4352 2004-08-04  Nick Clifton  <nickc@redhat.com>
4353
4354         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
4355         GCC ABI.
4356         * doc/invoke.texi: Document this new switch and also the -mrenesas
4357         switch.
4358
4359 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
4360
4361         * cfglayout.c (insn_locators_initialize): Update the current
4362         location before initializing a location.
4363
4364 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4365
4366         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
4367         (dbxout_function_end): Return after emitting the "Lscope" symbol
4368         under the same conditions that this function formerly wasn't called.
4369         Add explanatory comments.
4370
4371         PR 14860
4372         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
4373         on the new decl.
4374
4375         PR 13956
4376         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
4377         functions, broken out of dbxout_block.
4378         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
4379         stabs too, if it contains symbols.  Use the begin_label and
4380         the Lscope label (emitted by dbxout_function_end) for the
4381         range of this block.
4382
4383 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
4384
4385         * doc/install.texi: Update autoconf version requirements.
4386
4387 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4388
4389         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
4390         * recog.c (general_operand, immediate_operand, nonmemory_operand)
4391         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
4392         * regclass.c (record_reg_classes): Likewise.
4393         * reload.c (find_reloads): Likewise.
4394         * reload1.c (reload): Likewise.
4395
4396 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4397
4398         * gensupport.c (init_md_reader_args_cb): Renamed from
4399         init_md_reader_args.  Add third option, callback function for
4400         parsing program-specific options.  Add diagnosis of incorrect
4401         number of input files.
4402         (init_md_reader): Fold into init_md_reader_args_cb.
4403         (init_md_reader_args): Now a thin wrapper around
4404         init_md_reader_args_cb.
4405         * gensupport.h: Update prototypes.
4406
4407         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4408         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4409         * genrecog.c: No need to diagnose lack of an input file;
4410         init_md_reader_args will handle it.
4411         * genconditions.c: Likewise, and use init_md_reader_args.
4412         * genconstants.c: Likewise, and no need to call read_md_rtx.
4413
4414 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4415
4416         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
4417         declarations.
4418
4419 2004-08-03  Mike Stump  <mrs@apple.com>
4420
4421         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
4422         for frameworks.
4423         * doc/invoke.texi (Darwin Options): Update to reflect above.
4424
4425 2004-08-03  Roger Sayle  <roger@eyesopen.com>
4426
4427         PR middle-end/16790
4428         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
4429         truncations, not just global truncations.
4430
4431 2004-08-03  Andrew Pinski  <apinski@apple.com>
4432
4433         PR bootstrap/16865
4434         * loop-iv.c (simplify_using_assignment): Initialize lhs.
4435
4436 2004-08-03  Paul Brook  <paul@codesourcery.com>
4437
4438         * gcc/doc/install.texi: Document MPFR requirement.
4439
4440 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
4441
4442         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
4443         and mmap() explicitly instead of relying on preset autoconf cache
4444         variables.
4445         * configure: Regenerate.
4446
4447 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4448
4449         PR target/16570
4450         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
4451         to tmake_file.
4452         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
4453         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
4454         to tmake_file.
4455
4456         * config/i386/t-gmm_malloc: New file.
4457         * config/i386/t-pmm_malloc: Likewise.
4458
4459         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
4460
4461 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4462             Tanguy Fautrà <tfautre@pandora.be>
4463
4464         * config/i386/pmm_malloc.h: New file.
4465
4466 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
4467
4468         * config/i386/gmm_malloc.h: New file.
4469
4470 2004-08-03  Dale Johannesen  <dalej@apple.com>
4471
4472         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
4473         * c-common.c: Include opts.h.
4474         (c_common_get_alias_set): Fix check for a single input file.
4475         * toplev.c: Remove current_file_decl.
4476         * tree.h: Ditto.
4477
4478 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
4479
4480         * config.gcc (arm*-*-symbianelf*): New target.
4481         * config/arm/symbian.h: New file.
4482
4483         * gthr-gnat.c: Add visibility #pragmas.
4484         * gthr-gnat.h : Likewise.
4485         * gthr.h: Likewise.
4486         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
4487         (__ffsDI2): Likewise.
4488         (__clzSI2): Likewise.
4489         (__ctzSI2): Likewise.
4490         (__ctzDI2): Likewise.
4491         (__popcountSI2): Likewise.
4492         (__popcountDI2): Likewise.
4493         (__paritySI2): Likewise.
4494         (__parityDI2): Likewise.
4495         * libgcc2.h: Add visibility #pragmas.
4496         (__clzDI2): Add prototype.
4497         (__clzSI2): Likewise.
4498         (__ctzSI2): Likewise.
4499         (__ffsDI2): Likewise.
4500         (__ffsSI2): Likewise.
4501         (__ctzDI2): Likewise.
4502         (__popcountSI2): Likewise.
4503         (__popcountDI2): Likewise.
4504         (__paritySI2): Likewise.
4505         (__parityDI2): Likewise.
4506         * unwind-dw2-fde.h: Add visibility #pragmas.
4507         * unwind.h: Likewise.
4508
4509 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
4510             Dale Johannesen  <dalej@apple.com>
4511             Roger Sayle  <roger@eyesopen.com>
4512
4513         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
4514         constants more accurately.  Adjust costs for FMA instructions.
4515         Add cases for most logical and float operations.  Recurse into
4516         most operands.
4517
4518 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4519
4520         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
4521
4522 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
4523
4524         * ra-build.c (conflicts_between_webs): For webs that cross a call add
4525         conflicts to regs_invalidated_by_call.
4526
4527 2004-08-03  Paul Brook  <paul@codesourcery.com>
4528
4529         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
4530
4531 2004-08-03  Jan Hubicka  <jh@suse.cz>
4532
4533         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
4534         ARRAY_REF argument.
4535
4536 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4537
4538         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
4539         arm968es, arm10e, arm1020e, arm1022e.
4540         * invoke.texi: Update list of ARM cores.
4541         * arm-tune.md: Regenerate.
4542
4543 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
4544
4545         * arm/gentune.sh: New file.
4546         * arm/t-arm: New file.
4547         * arm/arm-tune.md: New file (autogenerated).
4548         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
4549         * arm.md (attribute tune): Delete.  Include arm-tune.md.
4550
4551 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
4552
4553         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
4554         penultimate parameter.  All callers adjusted.
4555         (struct prefix_list): Remove used_flag_ptr.
4556         (find_a_file): Do not set *pl->used_flag_ptr.
4557         (warn_B, warn_std_ptr): Remove.
4558
4559 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
4560             Mostafa Hagog <mustafa@il.ibm.com>
4561
4562         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
4563
4564 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
4565
4566         * dwarf2out.c (output_call_frame_info): Don't change data format
4567         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
4568         label.  Use 'true' not '1'.
4569         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
4570         required.
4571
4572 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
4573
4574         * gdbinit.in: Reflect previous changes to rtunion_def.
4575
4576 2004-08-02  Roger Sayle  <roger@eyesopen.com>
4577
4578         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
4579         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
4580
4581 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4582
4583         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
4584         vec_p_reserve.
4585         * langhooks.h (lang_hooks::builtin_function): Rename parameter
4586         from "class" to "bt_class".
4587
4588 2004-08-02  Paul Brook  <paul@codesourcery.com>
4589
4590         PR rtl-optimization/15068
4591         * flow.c (init_propagate_block_info): Check condition is reversible.
4592
4593 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4594
4595         * gengtype.h (options::info): Change type to const char *.
4596         (enum gc_used_enum): Move out of struct type scope.
4597         * gengtype.c (create_option): Convert initializer for option::info to
4598         appropiate type.
4599         (adjust_field_type, walk_type, write_func_for_structure,
4600         write_root, write_roots): Remove pointless cast.
4601
4602 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
4603
4604         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
4605
4606 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4607
4608         * rtl.h (union rtunion_def): Have all members  start with the
4609         prefix "rt_".
4610         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
4611         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
4612         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
4613         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
4614         access.
4615         * gengtype.c (adjust_field_rtx_def): Likewise.
4616         * rtlanal.c (loc_mentioned_in_p): Likewise.
4617
4618 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
4619
4620         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
4621         Replace uses of mips/elf64.h with mips/elf.h
4622         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
4623         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
4624         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
4625         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
4626         (HANDLE_SYSV_PRAGMA): Delete.
4627         (ASM_OUTPUT_DEF): Fix formatting.
4628         * config/mips/elf64.h: Delete.
4629
4630 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
4631
4632         * config/ia64/ia64.c (got_symbolic_operand): Do require a
4633         symbol+offset operand to have its offset be zero mod 0x3fff
4634         when GOT entries are in use.  Clarify logic in SYMBOL_REF
4635         case.  Clarify comments.
4636         (ia64_expand_load_address): Split a symbol+offset load when
4637         the offset is nonzero mod 0x3fff, not 0x1fff.
4638
4639 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
4640
4641         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
4642         if trying to *store* to a non-offsettable address.
4643         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
4644         a nonoffsettable address.
4645         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
4646         Clean up.
4647         (movti_string): Don't move GPRs to a nonoffsettable address.
4648         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
4649
4650 2004-08-02  Ben Elliston  <bje@au.ibm.com>
4651
4652         PR target/16155
4653         * config/rs6000/altivec.h: Replace typeof with __typeof__.
4654
4655 2004-08-01  Richard Henderson  <rth@redhat.com>
4656
4657         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
4658         variable sized types.
4659
4660 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4661
4662         * doc/invoke.texi: In the MIPS options section, remove the passage
4663         saying that -mexplicit-relocs is usually disabled for -mabicalls
4664         -fno-unit-at-a-time.
4665         * config/mips/mips.c (override_options): Remove the code that enforced
4666         this rule.
4667
4668 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4669
4670         * config/mips/mips.md (cprestore): Provide two alternatives, one for
4671         an in-range offset and one for an out-of-range offset.  Wrap the latter
4672         in .set macro/.set nomacro if it's inside a .set nomacro block.
4673
4674 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4675
4676         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
4677         (mips_restore_gp): Declare.
4678         * config/mips/mips.c (mips_add_offset): Add a scratch register
4679         argument.  Reimplement in rtl only, reusing MIPS16 logic from
4680         mips_output_mi_thunk.
4681         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
4682         to mips_add_offset.
4683         (mips_gp_save_slot): Delete.
4684         (mips_restore_gp): New function.
4685         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
4686         * config/mips/mips.md (exception_receiver): Turn into a
4687         define_insn_and_split.  Use mips_restore_gp to do the split.
4688         (call_internal, call_value_internal, call_value_multiple_internal): Use
4689         mips_restore_gp to restore $gp.
4690
4691 2004-07-31  Andrew Pinski  <apinski@apple.com>
4692
4693         PR other/16842
4694         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
4695
4696 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4697
4698         * c-decl.c (diagnose_mismatched_decls): Give error for external
4699         redeclaration of identifier declared with no linkage, not just
4700         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
4701         error for redeclaration with no linkage.
4702
4703 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
4704             Fariborz Jahanian <fjahanian@apple.com>
4705
4706         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
4707         non-offsettable addresses even for DImode.
4708         (rs6000_split_multireg_move): Cope with non-offsettable addresses
4709         being moved into multiple GPRs.
4710
4711         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
4712         to 64.
4713         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
4714         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
4715         to 128.
4716         * config/rs6000/darwin-ldouble.c (isless): New macro.
4717         (inf): New macro.
4718         (nonfinite): New macro.
4719         (FPKINF): Delete.
4720         (_xlqadd): Completely rewrite.
4721         (_xlqmul): Correct overflow handling.
4722         (_xlqdiv): Correct overflow handling.
4723         * config/rs6000/darwin-ldouble-format: New file.
4724
4725 2004-07-30  Roger Sayle  <roger@eyesopen.com>
4726             Richard Henderson  <rth@redhat.com>
4727
4728         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
4729         9 into the equivalent lea instruction.
4730
4731 2004-07-30  Richard Henderson  <rth@redhat.com>
4732
4733         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
4734         with DECL_INITIAL if fb_lvalue.
4735         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
4736         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
4737         with <Cxxx>.
4738         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
4739
4740 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4741
4742         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
4743         pointer escapes through a function call, assume that the
4744         callee will dereference it.
4745         (add_pointed_to_var): Assume that VALUE is always an
4746         ADDR_EXPR.
4747         (collect_points_to_info_r): Only call add_pointed_to_var if
4748         the value is an ADDR_EXPR.
4749
4750 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4751
4752         * tree-ssa-alias.c (create_alias_map_for): Do not get the
4753         alias set of the inner type of ARRAY_TYPEs.
4754
4755 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4756
4757         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
4758         setting a non-register to UNDEFINED right before the call to
4759         set_lattice_value.
4760
4761 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4762
4763         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
4764
4765 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4766
4767         * tree-ssa.c (verify_flow_sensitive_alias_info): When
4768         comparing points-to sets of different pointers, make sure the
4769         second pointer is actually referenced in the code.
4770
4771 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
4772
4773         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
4774         (got_symbolic_operand): Remove unreachable code.
4775         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
4776         setjmp_operand; add entry for tls_symbolic_operand.
4777         * config/ia64/ia64-protos.h: Remove all prototypes of
4778         predicate functions.
4779
4780 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
4781
4782         * c-common.h (lang_post_pch_load): New variable.
4783         * c-pch.c (lang_post_pch_load): Define it.
4784         (c_common_read_pch): Use it.
4785         * cgraphunit.c (record_call_1): Give the front end a chance to
4786         record additional needed entities when a variable is marked as
4787         needed.
4788         * tlink.c (recompile_files): Robustify.
4789         (scan_linker_output): If a symbol is assigned to a file,
4790         but after recompilation is not present there, issue an error
4791         message.
4792
4793 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4794
4795         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
4796         Take orig_loop argument and pass it to set_level.
4797         (schedule_sm): Pass the correct orig_loop to force_move_till.
4798
4799 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4800
4801         * cfgloop.c (update_latch_info): Update dominator of the new block.
4802         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
4803         info.
4804         * dominance.c (verify_dominators): Check that the dominance tree is
4805         connected.
4806         (recount_dominator): Ignore unreachable blocks.
4807         (iterate_fix_dominators): Cleanup old dominance information before
4808         recomputing it.
4809
4810 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4811
4812         * tree-ssa-operands.c (get_expr_operands): Revert changes
4813         to ADDR_EXPR processing introduced by:
4814             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4815             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
4816
4817 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
4818
4819         * doc/implement-c.texi: Add C90 subclause references.  Point to
4820         preprocessor documentation instead of duplicating it.  Add points
4821         only present in C90.  Fill in documentation for all points.
4822
4823 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4824
4825         * pa.c (output_movb): Correct typo.
4826
4827 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
4828
4829         * ra.h (single_reg_in_regclass): Declare.
4830         * ra.c (single_reg_in_regclass): Define.
4831         (first_hard_reg): New.
4832         (init_ra): Initialize single_reg_in_regclass.
4833         * ra-colorize.c (ok_class): New.
4834         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
4835
4836 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
4837
4838         * gcov-io.h: Allow zero tag as EOF indicator.
4839         (gcov_is_eof): Remove.
4840         (gcov_truncate): Remove.
4841         * gcov-io.c (gcov_seek): Always SEEK_SET.
4842         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
4843         EOF tag.
4844         * coverage.c (read_counts_file): Don't use gcov_is_eof.
4845         * gcov-dump.c (dump_file): Likewise.
4846         * gcov.c (read_graph_file, read_count_file): Likewise.
4847
4848         * c-decl.c (complete_array_type): Don't gratuitously copy
4849         maxindex.  Check it always has a type.
4850
4851 2004-07-29  Steven Bosscher  <stevenb@suse.de>
4852
4853         * rtl.c (currently_expanding_to_rtl): New.
4854         * rtl.h (currently_expanding_to_rtl): Export it.
4855         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
4856
4857         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
4858         inliner hack.
4859         * config/sh/sh.c: Replace rtx_equal_function_value_matters
4860         with currently_expanding_to_rtl.
4861         * config/sh/sh.md: Likewise.
4862         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
4863
4864 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4865
4866         Introduce sh2a support.
4867         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4868         * config.gcc: Build multilibs for sh2a and sh2a-single by
4869         default.
4870         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
4871         default.  Split their tests out of the corresponding SH4
4872         multilibs.
4873         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
4874         multilibs for SH2a.
4875         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4876         * config.gcc: Handle sh2a multilibs and cpu selection.
4877         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
4878         * config/sh/t-mlib-sh2a: New.
4879         * config/sh/t-mlib-sh2a-nofpu: New.
4880         * config/sh/t-mlib-sh2a-single: New.
4881         * config/sh/t-mlib-sh2a-single-only: New.
4882         2004-07-09  Nick Clifton  <nickc@redhat.com>
4883         Issue 43400
4884         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
4885         -ml and -m2a are used together.
4886         2004-03-23  DJ Delorie  <dj@redhat.com>
4887         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
4888         when we have a double-sized FPU.
4889         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4890         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
4891         is set.
4892         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
4893         -msh2a-single and -msh2a-single-only
4894         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4895         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
4896         is set.
4897         2004-02-20  DJ Delorie  <dj@delorie.com>
4898         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
4899         2004-02-20  Fred Fish <fnf@redhat.com>,
4900         Corinna Vinschen <vinschen@redhat.com>
4901         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
4902         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
4903         2004-02-18  DJ Delorie  <dj@redhat.com>
4904         * config/sh/sh.c (broken_move): Add support for movi20.
4905         * config/sh/sh.h: Likewise.
4906         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
4907         * config/sh/sh.md (udivsi3_sh2a): New.
4908         (udivsi3): Call it.
4909         (divsi3_sh2a): New.
4910         (divsi3): Call it.
4911         (mul_r): New.
4912         (ashlsi3_sh2a): New.
4913         (ashrsi3_sh2a): New.
4914         (lshrsi3_sh2a): New.
4915         (movsi_i): Disable for sh2a.
4916         (movsi_ie): Add movi20.
4917         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
4918         sh2a, for -m2a-nofpu mode.
4919         2004-02-13  DJ Delorie  <dj@redhat.com>
4920         * config/sh/lib1funcs.asm: Handle double vs single better.
4921         * config/sh/sh.h: Likewise.
4922         2004-02-09  DJ Delorie  <dj@redhat.com>
4923         * config/sh/crt1.asm: Add support for sh2a.
4924         * config/sh/elf.h: Likewise.
4925         * config/sh/lib1funcs.asm: Likewise.
4926         * config/sh/sh.c: Likewise.
4927         * config/sh/sh.md: Likewise.
4928         * config/sh/sh.h: Likewise.
4929         * config/sh/t-sh: Likewise.
4930
4931 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4932
4933         * config/frv/frv.md (movqi_internal, movhi_internal,
4934         movsi_internal): Add backup alternatives for memory inputs.
4935
4936 2004-07-28  Matt Austern  <austern@apple.com>
4937
4938         * config/darwin.c (darwin_one_byte_bool): New global variable.
4939         * config/darwin.h (darwin_one_byte_bool): Declare.
4940         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
4941         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
4942         value of darwin_one_byte_bool.
4943         * doc/invoke.texi: Document -mone-byte-bool flag.
4944
4945 2004-07-28  Eric Christopher  <echristo@redhat.com>
4946
4947         * c-common.c (c_common_unsafe_for_reeval): Delete.
4948         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
4949         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
4950         * calls.c (fix_unsafe_tree): Delete.
4951         (expand_call): Delete code which used above.
4952         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
4953         * expr.c (expand_expr_real_1): Ditto.
4954         * fold-const.c (non_lvalue): Ditto.
4955         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
4956         (lhd_unsafe_for_reeval): Ditto.
4957         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
4958         * langhooks.h (unsafe_for_reeval): Ditto.
4959         (unsave_expr_now): Adjust comment.
4960         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
4961         (estimate_num_insns_1): Ditto.
4962         * tree-pretty-print.c (dump_generic_node): Ditto.
4963         * tree.c (expr_align): Ditto.
4964         (unsave_expr): Delete.
4965         (unsafe_for_reeval): Ditto.
4966         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
4967         * tree.def (UNSAVE_EXPR): Delete.
4968         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
4969
4970 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
4971
4972         * tree.h (enum tls_model): Move ...
4973         * coretypes.h: ... here.
4974
4975 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
4976
4977         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
4978
4979 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
4980
4981         * cse.c (validate_canon_reg): New function, split out from...
4982         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
4983
4984 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4985
4986         * tree-ssa-alias.c (maybe_create_global_var): Don't just
4987         return if .GLOBAL_VAR has been created.
4988
4989 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4990
4991         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
4992         every variable that may have aliases, not just tags.
4993
4994 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
4995
4996         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
4997         move_from_CR_eq_bit.
4998         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
4999
5000
5001         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
5002         e500_flip_eq_bit.
5003
5004         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
5005         output_e500_flip_eq_bit.
5006
5007         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
5008         output_e500_flip_eq_bit.
5009         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
5010         output_e500_flip_eq_bit.
5011         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
5012         (print_operand): case D.  Get to EQ bit.
5013
5014 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
5015
5016         * gcov.c (function_summary): Add missing \n.
5017
5018 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
5019
5020         Introduce sh4a support.
5021         * config.gcc: Handle sh4a multilibs and cpu selection.
5022         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
5023         * config/sh/t-mlib-sh4a: New.
5024         * config/sh/t-mlib-sh4al: New.
5025         * config/sh/t-mlib-sh4a-nofpu: New.
5026         * config/sh/t-mlib-sh4a-single: New.
5027         * config/sh/t-mlib-sh4a-single-only: New.
5028         2004-02-20  DJ Delorie  <dj@redhat.com>
5029         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
5030         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
5031         2003-08-22  Eric Christopher  <echristo@redhat.com>
5032         * config/sh/sh4a.md: Update for chip errata.
5033         2003-08-07  Eric Christopher  <echristo@redhat.com>
5034         * config/sh/sh4a.md: New file. sh4a processor description.
5035         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
5036         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
5037         of -m4a-nofpu.
5038         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
5039         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
5040         * doc/invoke.texi (SH Options): Document -m4al.
5041         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
5042         * config/sh/sh.c (expand_block_move): Remove commented-out code
5043         checked in by mistake.
5044         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
5045         single elements from SFmode vectors.
5046         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
5047         register.
5048         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
5049         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
5050         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
5051         sh_fsca_int2sf): Remove variable declarations.
5052         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5053         sh_fsca_int2sf): New functions.
5054         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
5055         sh_fsca_int2sf_rtx): New static variables.
5056         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
5057         sh_fsca_int2sf): Declare.
5058         * config/sh/sh.md: Adjust.
5059         * doc/invoke.texi (SH Options): Document new options.
5060         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
5061         compatibility from SH4 code.
5062         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
5063         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
5064         early.
5065         (memory_movsrc_operand): Renamed to...
5066         (unaligned_load_operand): ... this.  Simplified.
5067         * config/sh/sh.h (PREDICATE_CODES): Adjust.
5068         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
5069         input operand to SImode, and adjust the others.  Introduce
5070         post-increment by peephole.
5071         * config/sh/sh.c (expand_block_move): Give the target address the
5072         same mode as the temp reg.
5073         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
5074         copying.
5075         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
5076         Introduce support for SH4a.
5077         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
5078         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
5079         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5080         sh_fsca_int2sf): New.
5081         (sh_init_builtins): Initialize them.
5082         (print_operand): Support `d'.
5083         (expand_block_move): Use movua if src is misaligned.
5084         (memory_movsrc_operand): New.
5085         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
5086         and one of the SH4 macros.
5087         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
5088         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
5089         SELECT_SH4A_SINGLE): New.
5090         (TARGET_NONE): Add SH4A_BIT.
5091         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
5092         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
5093         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
5094         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
5095         (enum processor_type): Added PROCESSOR_SH4A.
5096         (PREDICATE_CODES): Add memory_movsrc_operand.
5097         * config/sh/sh.md: Removed unused variables.
5098         (attr cpu): Add sh4a.
5099         (attr type): Add movua, fsrra and fsca.
5100         (prefetch): New, for SH4.
5101         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
5102         (toggle_sz): Set type to fp.
5103         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
5104         (movua, extv, extzv): New.
5105         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
5106         and 4a-single-only.
5107
5108 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5109
5110         * tree-optimize.c (init_tree_optimization_passes): Schedule
5111         pass_may_alias right after the program is renamed into SSA.
5112         * tree-pass.h (PROP_alias): Define.
5113         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
5114         * tree-sra.c (pass_sra): Likewise.
5115         * tree-ssa-ccp.c (pass_ccp): Likewise.
5116         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
5117         * tree-ssa-dce.c (pass_dce): Likewise.
5118         * tree-ssa-dom.c (pass_dominator): Likewise.
5119         * tree-ssa-dse.c (pass_dse): Likewise.
5120         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5121         * tree-ssa-loop-ch.c (pass_ch): Likewise.
5122         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
5123         * tree-ssa-pre.c (pass_pre): Likewise.
5124         * tree-tailcall.c (pass_tail_recursion): Likewise.
5125         * tree-ssa.c (pass_redundant_phi): Likewise.
5126         * tree-ssa-alias.c (aliases_computed_p): Remove.
5127         Update all users.
5128         (init_alias_info): Do not mark all type tags for renaming
5129         unconditionally.
5130         Clear may_aliases from every symbol.
5131         (setup_pointers_and_addressables): If a pointer has not been
5132         dereferenced and it had a type tag, clear it and mark the old
5133         tag for renaming.
5134
5135 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5136
5137         PR tree-optimization/16705
5138         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
5139         .GLOBAL_VAR.
5140
5141 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5142
5143         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
5144         check.
5145
5146         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
5147         don't make another one.
5148
5149         PR optimization/15077
5150         * function.h (struct function): Add field saved_static_chain_decl.
5151         Fix comment for static_chain_decl.
5152         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
5153         * tree-inline.h (save_body): Add new arg.
5154         * tree-optimize.c (tree_rest_of_compilation): Handle saving
5155         static_chain_decl.
5156
5157 2004-07-27  Richard Henderson  <rth@redhat.com>
5158
5159         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
5160         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
5161         is_gimple_addressable.
5162         * tree-gimple.c (is_gimple_addressable): Rename from
5163         is_gimple_addr_expr_arg; accept INDIRECT_REF.
5164         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
5165         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
5166         rename to is_gimple_addressable.
5167
5168 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
5169
5170         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
5171
5172 2004-07-27  Richard Henderson  <rth@redhat.com>
5173
5174         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
5175         before rounding.
5176
5177 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
5178
5179         * libgcc2.c: Change all conditionals testing
5180         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
5181         * libgcc2.h: Likewise.
5182         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
5183         TYPE_PRECISION of float80_type to 80.
5184         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
5185         of fpreg_type and float80_type to 80.
5186         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
5187         * config/m68k/netbsd-elf.h:
5188         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
5189         to evaluate to 80 whenever they would formerly have evaluated to 96.
5190         * config/i386/sco5.h: Remove unnecessary redefinition of
5191         LONG_DOUBLE_TYPE_SIZE.
5192         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
5193         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
5194         XFmode, with a bitsize of 80.  Update commentary.
5195         * config/ia64/ia64-modes.def: Likewise.
5196         * config/m68k/m68k-modes.def: Likewise.
5197
5198 2004-07-27  Steven Bosscher  <stevenb@suse.de>
5199
5200         * cfgexpand.c (tree_expand_cfg): Fix comment.
5201
5202         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
5203         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
5204         Remove.
5205         (prepare_function_start): Don't set rtx_equal_function_value_matters.
5206         * integrate.c (copy_rtx_and_substitute): Don't test for it.
5207         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
5208         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
5209         here again.  Update leading comment.
5210         * rtl.c (rtx_equal_function_value_matters): Remove.
5211         (rtx_equal_p): Don't test for it.
5212         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
5213         Likewise.
5214
5215         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
5216         * rtl.c (note_insn_name): Likewise.
5217         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
5218         * final.c (final_scan_insn): Likewise.
5219
5220         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
5221         * passes.c (rest_of_handle_eh): Do it here.
5222
5223         * stmt.c (struct nesting): Remove struct nesting block member.
5224         (struct stmt_status): Remove x_block_start_count field.
5225         (current_block_start_count): Remove.
5226
5227 2004-07-27  Brian Booth  <bbooth@redhat.com>
5228
5229         * tree-optimize.c (register_one_dump_file): Update condition that uses
5230         static_pass_number.
5231         (dup_pass_1): Replace with...
5232         (next_pass_1): This.
5233         (NEXT_PASS): Call next_pass_1.
5234         (DUP_PASS): Remove.
5235         (init_tree_optimization_passes): Remove uses of DUP_PASS.
5236         (execute_one_pass): Update condition that uses
5237         static_pass_number.
5238         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
5239         integer.
5240
5241 2004-07-27  Nick Clifton  <nickc@redhat.com>
5242
5243         * config/m32r/m32r.c: Include integrate.h in order to get the
5244         prototype for get_hard_reg_initial_val().
5245
5246         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
5247         and tidy up indentation.
5248         (final_presence_set): Use absence_set instead, so that if there is
5249         nothing in the "o" pipe the "s" pipe can be scheduled.
5250
5251 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
5252
5253         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
5254         don't have PT_VARS nor PT_MALLOC set.
5255         Clear name tag from pointers that have not been dereferenced.
5256         (set_pt_anything, set_pt_malloc): Forward declare.
5257         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
5258         not type compatibility when determining if a pointer can be
5259         copy propagated.
5260
5261 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
5262
5263         * expr.h (canonicalize_condition, get_condition): Add an int argument.
5264         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
5265         it to check whether the condition is still valid at the jump insn.
5266         * ifcvt.c (noce_get_condition): Likewise.
5267         (noce_get_alt_condition): Update call to canonicalize_condition.
5268         * loop-iv.c (simplify_using_initial_values): Update call to
5269         get_condition.  Remove FIXME.
5270         (check_simple_exit): Update call to get_condition.
5271         * loop-unswitch.c (may_unswitch_on): Likewise.
5272         * loop.c (check_dbra_loop): Likewise.
5273         (canonicalize_condition, get_condition): Add an argument to say whether
5274         the condition must still be valid at INSN.
5275         (get_condition_for_loop): Update call to get_condition.  Require that
5276         the condition be valid at INSN.
5277         * predict.c (estimate_probability): Update call to get_condition.
5278         Remove unused earliest parameter.
5279         (expected_value_to_br_prob): Update call to canonicalize_condition.
5280
5281 2004-07-26  Eric Christopher  <echristo@redhat.com>
5282
5283         * tree-dfa.c (add_referenced_var): Register initializers of global
5284         variables.
5285
5286 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
5287
5288         * config/i386/i386.c (function_arg): Always treat 8-
5289         and 16-byte wide vectors the same, even if MMX/SSE
5290         are disabled.
5291         (contains_128bit_aligned_vector_p): Add comment.
5292
5293 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
5294
5295         * ra.h (enum node_type): Rename to:
5296         (enum ra_node_type).
5297         * ra-colorize.c: Likewise.
5298
5299 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5300
5301         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
5302         after simplifying the jump.
5303
5304 2004-06-26  Richard Henderson  <rth@redhat.com>
5305
5306         * calls.c (combine_pending_stack_adjustment_and_call): Make
5307         preferred_unit_stack_boundary argument unsigned.  Make
5308         unadjusted_alignment unsigned.
5309         (expand_call): Make preferred_stack_boundary and
5310         preferred_unit_stack_boundary variables unsigned.
5311         * function.c (assign_stack_local_1): Make alignment unsigned.
5312         * function.h (struct function): Make stack_alignment_needed,
5313         preferred_stack_boundary unsigned.
5314         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
5315         (ix86_compute_frame_layout): Make stack_alignment_needed,
5316         preferred_alignment variables unsigned.
5317         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
5318
5319 2004-07-26  Tom Tromey  <tromey@redhat.com>
5320
5321         * tree.h: Fix typo in comment.
5322
5323 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
5324
5325         PR bootstrap/12804
5326         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
5327         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
5328         (ggc_free): Remove incorrect freeing.
5329         (sweep_pages): Advance PP for large pages.  Fix indentation.
5330
5331 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5332
5333         PR rtl-optimization/16643
5334         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
5335         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
5336         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
5337         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
5338         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
5339         * function.c (thread_prologue_and_epilogue_insns): Likewise.
5340         * rtl.h (tracer): Add a flags parameter.
5341         * tracer.c (tracer): Pass it to cfg_layout_initialise.
5342         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
5343         (rest_of_handle_reorder_blocks): Update calls to tracer and
5344         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
5345         (rest_of_handle_tracer): Pass 0 to tracer.
5346         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
5347
5348 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
5349
5350         PR target/16239
5351         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
5352         f->f.
5353
5354 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
5355
5356         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
5357         (BINFO_BASE_ACCESS): Adjust.
5358         (BINFO_BASE_ACCESS_APPEND): New.
5359         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
5360         * dbxout.c (dbxout_type): Adjust binfo access accessing.
5361         * dwarf2out.c (gen_member_die): Likewise.
5362         * tree-dump.c (deque_and_dump): Likewise.
5363
5364 2004-07-26  Falk Hueffner  <falk@debian.org>
5365
5366         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
5367         costs.
5368
5369 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5370
5371         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
5372         value off of the stack if TARGET_USE_FFREEP.
5373
5374 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5375
5376         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
5377         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
5378         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
5379         check on invocation of XRESIZEVEC ().
5380
5381 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5382
5383         * c-common.c (disable_builtin_function): Rename variable n to
5384         new_disabled_builtin.
5385         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
5386         Rename local variable old to old_decl.
5387         * gensupport.c (shift_output_template): Rename parameter old to src.
5388         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
5389         old_rtx and newx to new_rtx.
5390
5391 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5392
5393         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
5394         of c-pragma.h.
5395         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
5396         enum cpp_ttype.
5397         * c-lex.c: Likewise.
5398
5399 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5400
5401         * fold-const.c (constant_boolean_node): Make extern.
5402         (make_range): Wrap long lines.
5403         (fold_cond_expr_with_comparison): Remove unnecessary call to
5404         pedantic_non_lvalue.  Add missing calls to fold_convert.
5405         (fold_truthop): Add missing calls to fold_convert.
5406         (fold): Likewise.
5407         * tree.h (constant_boolean_node): Add prototype here.
5408         * builtins.c (expand_builtin_strncmp): Add missing calls to
5409         fold_convert.
5410         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
5411         Call fold_convert and constant_boolean_node to correct types.
5412         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
5413         missing call to fold_convert to correct types.
5414
5415 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
5416             Brian Ryner  <bryner@brianryner.com>
5417
5418         PR c++/9283
5419         PR c++/15000
5420         * c-common.c (c_common_attribute_table): Allow
5421         handle_visibility_attribute to be called for types.
5422         (handle_visibility_attribute) When given a type, set the visibility
5423         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
5424         so that we can check later whether the attribute was present. Added
5425         warning if attribute applied to non class type.
5426         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
5427         decls and checking that they are consistent.
5428         * common.opt: Added -fvisibility.
5429         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
5430         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
5431         * flags.h, tree.h: Added assorted support defines for overall patch
5432         * opts.c: Added parsing support for -fvisibility.
5433         * tree.c (build_decl): Set visibility for all decls to be whatever
5434         is in force at that time.
5435         * varasm.c (default_binds_local_p_1): Reworked logic determining
5436         when to make a symbol locally bound.
5437         * doc/invoke.texi: Added documentation for -fvisibility and
5438         -fvisibility-inlines-hidden.
5439
5440 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5441
5442         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
5443         * c-common.c: Add missing casts from void * to other types.
5444         * c-decl.c: Likewise.
5445         * c-format.c: Likewise.
5446         * c-lex.c: Likewise.
5447         * c-pragma.c: Likewise.
5448         * c-typeck.c: Likewise.
5449         * defaults.h: Likewise.
5450         * genconstants.c: Likewise.
5451         * gengtype-lex.l: Likewise.
5452         * genmodes.c: Likewise.
5453         * read-rtl.c: Likewise.
5454         * rtl.c: Likewise.
5455
5456 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5457
5458         * bitmap.c: Use type-safe memory allocation macros from libiberty.
5459         * c-common.c: Likewise.
5460         * c-decl.c: Likewise.
5461         * c-lang.c: Likewise.
5462         * c-lex.c: Likewise.
5463         * c-opts.c: Likewise.
5464         * c-parse.in: Likewise.
5465         * c-typeck.c: Likewise.
5466         * genconditions.c: Likewise.
5467         * gengtype-lex.l: Likewise.
5468         * gengtype-yacc.y: Likewise.
5469         * gengtype.c: Likewise.
5470         * genmodes.c: Likewise.
5471         * gensupport.c: Likewise.
5472         * read-rtl.c: Likewise.
5473         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
5474         htab_find_slot().
5475
5476 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5477
5478         * c-decl.c (groktypename, groktypename_in_param_context): Rename
5479         variable typename to type_name.
5480         * c-lex.c (interpret_float): Likewise.
5481
5482 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5483
5484         * convert.c (convert_to_real, convert_to_integer,
5485         convert_to_complex): Replace calls to build with calls to buildN.
5486         * coverage.c (tree_coverage_counter_ref): Likewise.
5487         * dojump.c (do_jump): Likewise.
5488         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
5489         * emit-rtl.c (component_ref_for_mem_expr,
5490         set_mem_attributes_minus_bitpos): Likewise.
5491         * explow.c (update_nonlocal_goto_save_area): Likewise.
5492         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
5493         expand_mult_add): Likewise.
5494         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
5495         store_constructor, get_inner_reference, expand_expr_real_1,
5496         try_casesi, try_tablejump): Likewise.
5497         * function.c (expand_function_start): Likewise.
5498         * stmt.c (emit_case_bit_tests, expand_end_case_type,
5499         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
5500         * stor-layout.c (place_union_field, layout_type): Likewise.
5501         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
5502         * varasm.c (copy_constant): Likewise.
5503
5504 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5505
5506         * c-common.c: Rename all identifiers named `new'.
5507         * c-decl.c: Likewise.
5508         * gensupport.c: Likewise.
5509         * simplify-rtx.c: Likewise.
5510         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
5511         with XNEW().
5512         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
5513         with XNEWVEC().
5514
5515 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5516
5517         PR c/15360
5518         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
5519         declarations until after calling pushdecl.
5520         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
5521         "extern" and not on whether the declaration is initialized.
5522
5523 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5524
5525         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
5526         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
5527         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
5528         "cpplib.h", "c-pragma.h", "c-common.h".
5529         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
5530         (solaris_register_pragmas): New functions.
5531         * config/sol2-protos.h: New file.
5532         * config/sol2.c: New file.
5533         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
5534         (REGISTER_TARGET_PRAGMAS): New macros.
5535         (solaris_pending_aligns, solaris_pending_inits)
5536         (solaris_pending_finis): New variables.
5537         * config/t-sol2 (sol2-c.o): Update dependencies.
5538         (sol2.o): New rule.
5539         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
5540         SUBTARGET_INSERT_ATTRIBUTES.
5541         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
5542         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5543         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5544         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5545         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5546         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5547         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5548         * config/sparc/sparc.c (sparc_attribute_table): New.
5549         (TARGET_INSERT_ATTRIBUTES): Define in terms of
5550         SUBTARGET_INSERT_ATTRIBUTES.
5551         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
5552         is defined.
5553         * doc/extend.texi (Solaris Pragmas): New section.
5554
5555 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5556
5557         * c-common.c: Rename all identifiers named `class' to `cl'.
5558         * c-common.h: Likewise.
5559         * c-parse.in: Likewise.
5560         * c-typeck.c: Likewise.
5561         * genmodes.c: Likewise.
5562         * real.c: Likewise.
5563         * real.h: Likewise.
5564         * recog.c: Likewise.
5565         * recog.h: Likewise.
5566         * regrename.c: Likewise.
5567         * tree.h: Likewise.
5568         * c-common.c (builtin_function_2): Change type of 5th parameter from
5569         int to enum built_in_function. Change type of 8th parameter from int
5570         to bool.
5571         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
5572         with GGC_CNEW().
5573         * c-typeck.c (convert_arguments): Change type of formal_prec from
5574         int to unsigned int.
5575         * genmodes.c (blank_mode): Make a few negative constants unsigned.
5576         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
5577         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
5578         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
5579         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
5580         iterator to for_all_modes () instead of an enum because enums can't
5581         be incremented in C++.
5582
5583
5584 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5585
5586         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
5587         hard registers.
5588
5589 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5590
5591         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
5592         Handle ARRAY_RANGE_REF like ARRAY_REF.
5593
5594 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5595
5596         * c-typeck.c (digest_init): Don't allow arrays of signed or
5597         unsigned variants of wchar_t to be initialized by wide string
5598         constants.  Do allow arrays of enumerated types compatible with
5599         wchar_t to be initialized by wide string constants.  Refine tests
5600         distinguishing wide and narrow strings and arrays.  Give specific
5601         error for arrays of other integer types initialized by string
5602         constants.
5603         (output_init_element, process_init_element): Check for
5604         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
5605         initializing with string constants.
5606
5607 2004-07-25  Richard Henderson  <rth@redhat.com>
5608
5609         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
5610         on the RESULT_DECL.
5611         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5612         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
5613         DECL_IGNORED_P to new decl.
5614
5615 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
5616
5617         * config/ia64/ia64.c (general_xfmode_operand)
5618         (destination_xfmode_operand): Delete.
5619         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
5620         * config/ia64/ia64.md (*movxf_internal): Use general_operand
5621         and destination_operand.
5622
5623 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5624
5625         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
5626         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
5627
5628 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5629             Zack Weinberg  <zack@codesourcery.com
5630
5631         PR 16684
5632         * c-decl.c (diagnose_mismatched_decls): Don't issue a
5633         redundant-declaration warning the first time a builtin is
5634         declared explicitly.
5635
5636 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5637
5638         * tree.h (staticp): Change return type to bool.
5639
5640 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5641
5642         * c-common.c (c_staticp): Last episode of the staticp saga.
5643
5644 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5645
5646         * c-common.h (c_staticp): Change return type from int to bool.
5647         * tree.c (staticp): Likewise.
5648         * langhooks.h (staticp): Likewise.
5649
5650 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5651
5652         * langhooks-def.h (lhd_staticp): Change return type from int to
5653         bool in prototype to match definition.
5654
5655 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5656
5657         * system.h (bool, true, false): Don't redefine as preprocessor macros
5658         in C++.
5659
5660 2004-07-24  Roger Sayle  <roger@eyesopen.com>
5661
5662         * expmed.c (init_expmed): A signed modulus by a power of two is
5663         considered cheap if its less than or equal to four instructions.
5664
5665 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5666
5667         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
5668         GGC_CNEWVAR): New macros.
5669
5670 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5671
5672         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
5673         lists.
5674         * c-decl.c: Likewise.
5675         * c-format.c: Likewise.
5676         * c-lex.c: Likewise.
5677         * c-opts.c: Likewise.
5678         * c-pragma.c: Likewise.
5679         * c-typeck.c: Likewise.
5680         * gencheck.c: Likewise.
5681         * genconditions.c: Likewise.
5682         * genconfig.c: Likewise.
5683         * genflags.c: Likewise.
5684         * gengtype.c: Likewise.
5685         * gensupport.c: Likewise.
5686         * ggc-none.c: Likewise.
5687         * langhooks.c: Likewise.
5688         * statistics.h: Likewise.
5689         * stub-objc.c: Likewise.
5690         * java/decl.c: Likewise.
5691
5692 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
5693
5694         * config/m68k/m68k.c (output_scc_di): Fix coding style.
5695         (symbolic_operand): Fix prototype.
5696         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
5697         * config/m68k/m68k.md: Add constants for registers a0 and sp and
5698         use them, change from the "{...}" syntax to the simpler {...}
5699         syntax.
5700         (*cfv4_extendqisi2): Fix destination predicate.
5701         * config/m68k/m68k-protos.h: Remove various declarations also
5702         generated via PREDICATE_CODES.
5703
5704 2004-07-23  Mike Stump  <mrs@apple.com>
5705
5706         * c-typeck.c (convert_for_assignment): Tightened up pointer
5707         converstions that differ in signedness.
5708
5709 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5710
5711         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
5712
5713 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5714
5715         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
5716         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
5717
5718         * gimplify.c (gimplify_compound_lval): Check for no handled
5719         operations, rather than checking for explicit list of nodes.
5720         (is_gimple_addr_expr_arg_or_indirect): New function.
5721         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
5722         redundant setting of TREE_INVARIANT.
5723         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
5724         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
5725
5726 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
5727
5728         PR tree-optimization/16688
5729         PR tree-optimization/16689
5730         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
5731         unnecessary initialization of 'tag'.
5732         (get_tmt_for): Check that the new type tag has the same alias
5733         set as the pointed-to type.
5734         (group_aliases): Only regular variables need to be removed
5735         from the alias set of a name tag.
5736         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
5737         propagation if the two types are not compatible.
5738         (merge_alias_info): Rename from replace_ssa_names_ann.
5739         Add more checking.
5740         (replace_exp_1): If both arguments are SSA_NAMEs, check that
5741         the propagation can be done.
5742         Only call merge_alias_info on pointers.
5743         (propagate_value): Likewise.
5744         * tree-ssa-copyrename.c: Include langhooks.h.
5745         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
5746         to do the merging.
5747         Do not coalesce variables with incompatible types.
5748         (rename_ssa_copies): Call replace_ssa_name_symbol.
5749         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
5750         the same type as the underlying _DECL.
5751         * tree-ssanames.c (replace_ssa_name_symbol): New function.
5752         * tree.h (replace_ssa_name_symbol): Declare.
5753
5754 2004-07-23  Richard Henderson  <rth@redhat.com>
5755
5756         PR c++/16277
5757         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
5758         unshare it properly.
5759         (gimplify_modify_expr_rhs): Push assignment from a conditional into
5760         the conditional for all non-register types.
5761
5762 2004-07-23  Richard Henderson  <rth@redhat.com>
5763
5764         * expr.c (expand_expr_real_1): Don't handle non-local variables.
5765         * expr.h (fix_lexical_addr): Remove.
5766         * function.c (NEED_SEPARATE_AP): Remove.
5767         (fix_lexical_addr): Remove.
5768         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
5769         not null decl_function_context.
5770         (create_alias_vars): Likewise.
5771         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
5772         (simple_goto_p): Likewise.
5773         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
5774         * tree-ssa-ccp.c (get_default_value): Likewise.
5775         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5776         * tree.c (needs_to_live_in_memory): Likewise.
5777         * tree-flow-inline.h (may_be_aliased): Move...
5778         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
5779         when TREE_STATIC variables may be addressable.
5780
5781 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
5782
5783         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
5784
5785 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5786
5787         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
5788         bitmap contents if GENERATOR_FILE is defined.
5789         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
5790         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
5791
5792 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
5793
5794         * c-decl.c (start_function): Form composite type of function types
5795         rather than copying type from previous prototype declaration.
5796
5797 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
5798
5799         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
5800         the const qualifier for the second argument in the C++ functions.
5801
5802         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
5803         specific pointer types.
5804
5805         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
5806         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
5807         for vector bool and/or vector pixel, add C++ and C missing support.
5808         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
5809         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
5810         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
5811         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
5812         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
5813         missing C++ and C support for vector bool and/or vector pixel.
5814         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
5815         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
5816         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
5817         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
5818         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
5819         C++ and C types used for vector bool and/or vector pixel.
5820         (vec_st, vec_stl): Add C++ support for vector pixel.
5821         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
5822         (vec_all_ne): Add C++ support for vector pixel.
5823
5824         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
5825         (vec_vmulesb): Add missing C++ function.
5826         (vec_perm): Fix type of third argument in C++ function.
5827         (vec_vsum4shs): Fix C++ function name.
5828         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
5829         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
5830         argument passed to the error handler in C macro.
5831         (vec_nmsub): Remove extra parens around argument names in C macro.
5832         (vec_packpx): Add missing parens in C macro.
5833
5834 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
5835
5836         * machmode.def: Remove vector modes.
5837         * config/alpha/alpha-modes.def: Add supported vector modes.
5838         * config/arm/arm-modes.def: Likewise.
5839         * config/frv/frv-modes.def: Likewise.
5840         * config/i386/i386-modes.def: Likewise.
5841         * config/rs6000/rs6000-modes.def: Likewise.
5842         * config/sh/sh-modes.def: Likewise.
5843
5844 2004-07-23  Matthias Klose  <doko@debian.org>
5845
5846         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
5847         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
5848         * config.h: Regenerate.
5849         * configure: Likewise.
5850
5851 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
5852
5853         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
5854         generated SYMBOL_REFs for labels.
5855         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
5856         Change prototype.
5857         (machopic_stub_name): Remove.
5858         (machopic_indirection_name): New function.
5859         (machopic_mcount_stub_name): Likewise.
5860         (machopic_classify_name): Remove.
5861         (machopic_function_base_sym): New function.
5862         (machpoic_classify_symbol): Likewise.
5863         (machopic_classify_ident): Remove.
5864         (machopic_define_ident): Likewise.
5865         (machopic_define_name): Likewise.
5866         (machopic_name_defined_p): Likewise.
5867         (machopic_ident_defined_p): Likewise.
5868         (darwin_strip_name_encoding): Likewise.
5869         (machopic_define_symbol): New function.
5870         * config/darwin.c (hashtab.h): Include.
5871         (machopic_defined_list): Remove.
5872         (machopic_classify_ident): Likewise.
5873         (machopic_classify_name): Likewise.
5874         (machopic_ident_defined_p): Likewise.
5875         (machopic_define_ident): Likewise.
5876         (machopic_define_name): Likewise.
5877         (machopic_symbol_defined_p): New function.
5878         (machopic_classify_symbol): Likewise.
5879         (machopic_data_defined_p): Use machopic_classify_symbol.
5880         (machopic_define_symbol): New function.
5881         (machopic_function_base_sym): New function.
5882         (machopic_non_lazy_pointers): Remove.
5883         (machopic_non_lazy_ptr_name): Likewise.
5884         (machopic_stubs): Likewise.
5885         (machopic_stub_name): Likewise.
5886         (NON_LAZY_POINTER_SUFFIX): New macro.
5887         (STUB_SUFFIX): Likewise.
5888         (machopic_indirection): New structure.
5889         (machopic_indirections): New variable.
5890         (machopic_indirection_hash): New function.
5891         (machopic_indirection_eq): Likewise.
5892         (machopic_indirection_name): Likewise.
5893         (machopic_mcount_stub_name): New function.
5894         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
5895         hash table.
5896         (machopic_indirect_data_reference): Rework to use new functions.
5897         (machopic_indirect_call_target): Likewise.
5898         (machopic_legitimize_pic_address): Likewise.
5899         (machopic_output_indirection): New function.
5900         (machopic_finish): Use it.
5901         (machopic_operand_p): Rework to use new functions.
5902         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
5903         (darwin_strip_name_encoding): Remove.
5904         (update_non_lazy_ptrs): Remove.
5905         (update_stubs): Likewise.
5906         (darwin_non_lazy_pcrel): Use new functions.
5907         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
5908         (ASM_OUTPUT_LABELREF): Likewise.
5909         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5910         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
5911         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
5912         (TARGET_STRIP_NAME_ENCODING): Do not use
5913         darwin_strip_name_encoding.
5914         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
5915         darwin_strip_name_encoding.
5916         * config/i386/darwin.h (FUNCTION_PROFILER): Use
5917         machopic_mcount_stub_name.
5918         * config/i386/i386.c (x86_output_mi_thunk): Use
5919         machopic_indirection_name, not machopic_stub_name.
5920         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
5921         machopic_function_base_sym.
5922         (print_operand): Use machopic_classify_symbol.
5923         (rs6000_emit_prologue): Use machopic_function_base_sym.
5924         (output_profile_hook): Do not use machopic_stub_name.
5925         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
5926
5927 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5928
5929         PR c/7284
5930         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
5931         as multiplication.
5932
5933 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5934
5935         * doc/implement-c.texi: New file.
5936         * doc/extend.texi (C Implementation): Move to there.
5937         * doc/gcc.texi: Include implement-c.texi.
5938         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
5939
5940 2004-07-22  Jason Merrill  <jason@redhat.com>
5941
5942         * integrate.c (copy_decl_for_inlining): Remove invisible reference
5943         handling.
5944         * tree-inline.c (setup_one_parameter): Likewise.
5945
5946 2004-07-22  Brian Booth  <bbooth@redhat.com>
5947
5948         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
5949         (substitute_and_fold): Propigate into VUSE operands when possible.
5950         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
5951         (cp_lattice_meet): Handle merging of latticevalues when
5952         UNKNOWN_VAL is present.
5953         (visit_stmt): Visit assignments with V_MUST_DEFs.
5954         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
5955         (ccp_fold): Deal with RHS' that are constant and virtual.
5956         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
5957         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
5958         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
5959         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
5960         computing immediate uses.
5961         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
5962         transition.
5963         (replace_vuse_in): New function.
5964         (likely_value): Add check of vuse operands.
5965         (get_default_value): Set the default value of virtually defined
5966         variables to UKNOWN_VAL instead of VARYING.
5967
5968 2004-07-22  Richard Henderson  <rth@redhat.com>
5969
5970         * expr.c (emit_push_insn): Don't use set_mem_attributes.
5971
5972 2004-07-22  Richard Henderson  <rth@redhat.com>
5973
5974         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
5975         variables due to conditional compilation.
5976
5977 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
5978
5979         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
5980         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
5981         Release SSA names that have been re-renamed.
5982         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
5983         variable.
5984         * tree-ssa-alias.c (init_alias_info): If aliases have been
5985         computed before, clear existing alias information.
5986         (create_name_tags): Do no fixup PT_ANYTHING pointers.
5987         If the new name tag for a pointer is different than the one it
5988         had before, mark the old tag for renaming.
5989         (replace_may_alias): New function.
5990         (group_aliases): Call it.
5991         (setup_pointers_and_addressables): Always call get_tmt_for.
5992         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
5993         once.
5994         (set_pt_anything): New local function.
5995         (set_pt_malloc): New local function.
5996         (merge_pointed_to_info): Don't merge pointed-to variables from
5997         the original pointer if the destination is pointing to an
5998         unknown location.
5999         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
6000         (add_pointed_to_var): Do not add a variable to the points-to
6001         set if the pointer is already pointing to anywhere.
6002         (collect_points_to_info_r): If the defining statement is a PHI
6003         node, only merge pointed-to information if the argument has
6004         already been visited.
6005         (get_tmt_for): Only create a new tag if the pointer didn't
6006         have one already.
6007         (dump_alias_info): Emit more information.
6008         (dump_points_to_info_for): Likewise.
6009         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
6010         try to get the annotation of an SSA_NAME.
6011         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
6012         alias sets when checking is enabled.
6013         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
6014         (eliminate): Mark basic blocks that will need
6015         EH information cleaned up.
6016         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
6017         predecessor.
6018         Initialize need_eh_cleanup.
6019         (fini_pre): Call tree_purge_all_dead_eh_edges and
6020         cleanup_tree_cfg if needed.
6021         Free need_eh_cleanup.
6022         * tree-ssa.c (verify_ssa_name): New function.
6023         (verify_def): Call it.
6024         Re-arrange to avoid printing too many error messages.
6025         (verify_use): Likewise.
6026         (verify_phi_args): Likewise.
6027         (verify_flow_insensitive_alias_info): New function.
6028         (verify_flow_sensitive_alias_info): New function.
6029         (verify_alias_info): New function.
6030         (verify_ssa): Call verify_alias_info.
6031         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
6032         program.
6033         Re-arrange to avoid printing too many error messages.
6034         * tree-ssanames.c (make_ssa_name): Clear
6035         SSA_NAME_IN_FREE_LIST.
6036         (release_ssa_name): Never release a default definition.
6037         (release_defs): New function.
6038         * tree.h: Declare it.
6039         * tree-ssa-dce.c (remove_dead_stmt): Call it.
6040
6041 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6042
6043         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
6044         If true, do a depth-first search.  Do a breadht-first search,
6045         otherwise.
6046         (walk_use_def_chains): Add new argument IS_DFS.
6047         Update all users.
6048         * tree-flow.h (walk_use_def_chains): Update prototype.
6049
6050 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
6051
6052         * config/cris/cris.md: Tweak formatting.
6053         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
6054         (mover2side, moverside, movemside, movei, op3, andu): Replace
6055         live define_peephole:s with define_peephole2 near-equivalents.
6056         Delete the rest.
6057         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
6058         word-size modes.
6059         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6060         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
6061         "*mov_sidesi_mem" respectively.
6062
6063 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6064
6065         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
6066         (gimplify_build1): Move from tree-complex.c do_unop.
6067         (gimplify_build2): Move from tree-complex.c do_binop.
6068         (gimplify_build3): New.
6069         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
6070         Adjust throughout to call the functions above.
6071         * tree-flow.h: Declare the functions above.
6072         * tree-nested.c (gimplify_val): Rename to...
6073         (tsi_gimplify_val): ... this.
6074
6075         * Makefile.in (tree_complex.o): Update dependencies.
6076         (stor-layout.o): Depend on regs.h.
6077         * c-common.c (handle_vector_size_attribute): Update for
6078         vector types without corresponding vector modes.
6079         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
6080         a corresponding vector mode is not available.
6081         * print-tree.c (print_node): Print nunits for vector types
6082         * regclass.c (have_regs_of_mode): New.
6083         (init_reg_sets_1): Initialize it and use it instead
6084         of allocatable_regs_of_mode.
6085         * regs.h (have_regs_of_mode): Declare it.
6086         * stor-layout.c (layout_type): Pick a mode for vector types.
6087         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
6088         build_replicated_const, do_unop, do_binop, do_plus_minus,
6089         do_negate, expand_vector_piecewise, expand_vector_parallel,
6090         expand_vector_addition, expand_vector_operations_1,
6091         expand_vector_operations, tree_lower_operations,
6092         pass_lower_vector_ssa, pass_pre_expand): New.
6093         (expand_complex_operations, pass_lower_complex): Remove.
6094         * tree-optimize.c (init_tree_optimization_passes): Adjust
6095         pass ordering for changes in tree-complex.c.
6096         * tree-pass.h: Declare new passes.
6097         * tree.c (finish_vector_type): Remove.
6098         (make_vector_type): New.
6099         (build_vector_type_for_mode, build_vector_type): Rewritten.
6100         * tree.def (VECTOR_TYPE): Document where the number of
6101         subparts is stored.
6102         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
6103         (make_vector): Remove declaration.
6104
6105 2004-07-21  Richard Henderson  <rth@redhat.com>
6106
6107         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
6108         TREE_THIS_VOLATILE, may_aliases, or optimization level.
6109         (remove_useless_vars): Dump debugging info.
6110         (expand_used_vars): Move ...
6111         * cfgexpand.c (expand_used_vars): ... here.  Make static.
6112         * tree-flow-inline.h (set_is_used): New.
6113         (set_default_def): Use get_var_ann.
6114         * tree-flow.h: Update decls.
6115         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
6116         (create_ssa_var_map): Use it.
6117         * tree-ssa.c (set_is_used): Remove.
6118
6119 2004-07-22  Ben Elliston  <bje@au.ibm.com>
6120
6121         * gdbinit.in: Set a breakpoint on internal_error.
6122
6123 2004-07-21  Richard Henderson  <rth@redhat.com>
6124
6125         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
6126         to create a new basic block.
6127
6128 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6129
6130         PR c/15052
6131         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
6132         return type on function definitions.  Move other warnings for
6133         qualified return type to -Wreturn-type.  Do not condition any such
6134         warnings on -pedantic.  Update comments.
6135         (start_function): Only copy function type from previous prototype
6136         declaration if return types are compatible.
6137         * c-typeck.c (function_types_compatible_p): Don't condition
6138         warning for incompatibility of volatile qualifiers on the return
6139         type on -pedantic.  Update comment.
6140         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
6141
6142 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6143
6144         * c-typeck.c (set_init_index): Require designator to be of integer
6145         type.
6146
6147 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6148
6149         PR c/11250
6150         * c-parse.in (init): Change to exprtype.
6151         (primary): Set original_code for STRING to STRING_CST.
6152         Call maybe_warn_string_init for compound literals.
6153         (initdcl, notype_initdcl): Call maybe_warn_string_init.
6154         (initval): Update.
6155         * c-tree.h (maybe_warn_string_init): New.
6156         (pop_init_level, process_init_element): Use struct c_expr.
6157         (struct c_expr): Update comment.
6158         * c-typeck.c (maybe_warn_string_init): New function.
6159         (digest_init): Call it.  Additional parameter strict_string.  All
6160         callers changed.
6161         (output_init_element): Likewise.
6162         (struct constructor_stack): Use struct c_expr for
6163         replacement_value.
6164         (really_start_incremental_init, push_init_level): Update.
6165         (pop_init_level): Update.  Return struct c_expr.
6166         (process_init_level): Update.  Take struct c_expr argument.
6167
6168 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
6169
6170         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
6171         commit.
6172
6173 2004-07-21  Eric Christopher  <echristo@redhat.com>
6174
6175         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
6176         removal.
6177         * c-decl.c (pop_scope): Ditto.
6178         * calls.c (expand_call): Remove call to current_nesting_level,
6179         update comment accordingly. Remove calls to expand_start_target_temps
6180         and expand_end_target_temps.
6181         * cfgexpand.c (construct_init_block): Remove call to
6182         expand_start_bindings_and_block.
6183         (construct_exit_block): Remove call to expand_end_bindings.
6184         * expr.c (safe_from_p): Remove BIND_EXPR handling.
6185         (expand_expr_real_1): Ditto. Fix formatting.
6186         (expand_vars): Delete.
6187         * stmt.c (POPSTACK): Remove block_stack.
6188         (stmt_status): Remove x_block_stack.
6189         (block_stack): Delete.
6190         (expand_start_bindings_and_block): Ditto.
6191         (expand_start_target_temps): Ditto.
6192         (expand_end_target_temps): Ditto.
6193         (current_nesting_level): Ditto.
6194         (warn_about_unused_variables): Ditto.
6195         (expand_end_bindings): Ditto.
6196         * tree.h: Remove declarations for above.
6197
6198 2004-07-21  Steven Bosscher  <stevenb@suse.de>
6199
6200         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
6201         * rtl.c (note_insn_name): Likewise.
6202         * print-rtl.c (print_rtx): Don't print it.
6203         * cfgrtl.h (can_delete_note_p): Don't handle it.
6204         (rtl_delete_block): Likewise.
6205         * passes.c (rest_of_handle_guess_branch_prob): Remove.
6206         (rest_of_compilation): Don't call it.
6207         * predict.c (process_note_predictions, process_note_prediction,
6208         note_prediction_to_br_prob): Remove.
6209         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
6210         * stmt.c (return_prediction): Remove.
6211         (expand_value_return): Don't call it.  Don't add prediction
6212         notes for return statements.
6213
6214 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
6215
6216         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
6217         once.
6218
6219 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
6220
6221         * c-common.c (vector_types_convertible_p): Use vector types'
6222         TYPE_SIZE and TREE_TYPE instead of their mode.
6223         * convert.c (convert_to_integer): Likewise.
6224         (convert_to_vector): Likewise.
6225         * fold-const.c (fold_convert): Likewise.
6226         * varasm.c (output_constant): Likewise.
6227         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
6228         Allow a VECTOR_TYPE initializer to be made of several vectors.
6229         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
6230         of cleared and need_to_clear, and use fold_convert.
6231         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
6232         integer vectors.
6233
6234 2004-07-20  Richard Henderson  <rth@redhat.com>
6235
6236         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
6237         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
6238
6239 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
6240
6241         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
6242         enormous cost if not TARGET_HARD_MUL.
6243
6244 2004-07-20  Andrew Pinski  <apinski@apple.com>
6245
6246         PR target/16557
6247         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
6248         (ASM_SPEC): here.
6249
6250 2004-07-21  Paul brook  <paul@codesourcery.com>
6251
6252         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
6253
6254 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6255
6256         * fold-const.c (operand_equal_p): Temporarily support NULL args.
6257         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
6258         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
6259
6260 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
6261
6262         * rtl.h (plus_constant): Delete.
6263         (plus_constant_wide): Rename to plus_constant.
6264         (plus_constant_for_output_wide): Delete vestigial prototype.
6265         (GEN_INT): Remove unnecessary cast.
6266         * tree.h (build_int_2, size_int_type): Delete.
6267         (build_int_2_wide): Rename to build_int_2.
6268         (size_int_wide): Rename to size_int_kind.
6269         (size_int_type_wide): Rename to size_int_type.
6270         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
6271         Remove unnecessary cast.
6272         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
6273         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
6274         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
6275         (size_int_type_wide): Rename size_int_type.
6276         (int_const_binop): Use size_int_type.
6277         * c-lex.c (interpret_integer): Use build_int_2.
6278         * final.c (split_double): Remove unnecessary casts.
6279         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
6280
6281 2004-07-20  Richard Henderson  <rth@redhat.com>
6282
6283         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
6284         (gimplify_compound_lval): Use is_gimple_tmp_reg.
6285         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
6286         (is_gimple_tmp_reg): New.
6287         * tree-gimple.h (is_gimple_tmp_reg): Declare.
6288
6289 2004-07-20  Richard Henderson  <rth@redhat.com>
6290
6291         * tree-pretty-print.c (dump_generic_node): Dump
6292         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
6293
6294 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
6295
6296         * tree-mudflap.c (mf_set_options_fndecl): New tree.
6297         (mudflap_init): Set it.
6298         (mudflap_register_call): Remove __mf_init call.
6299         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
6300         to pass "-ignore-reads" option to libmudflap if needed.
6301
6302 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
6303
6304         PR c++/14607
6305         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
6306         (MAKE_DECL_ONE_ONLY): Undefine.
6307         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
6308         readonly_data, one_only_data_section, forget_section): New prototypes.
6309         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
6310         functions.
6311         (pa_select_section): Add one-only (COMDAT) support.
6312         * pa.h (struct machine_function): Define.
6313         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
6314         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
6315         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6316         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6317         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
6318         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
6319         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
6320         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6321         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
6322         for EXTRA_SECTION_FUNCTIONS.
6323         * doc/install.texi: Update binutils requirements.
6324
6325 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6326
6327         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
6328         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
6329         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
6330         size_t.
6331         (struct VEC): Use unsigned for num and alloc.
6332         * vec.c (struct vec_prefix): Likewise.
6333         (vec_o_reserve): Adjust.
6334
6335         * dbxout.c (dbxout_type): Fix printf format.
6336
6337         * tree.h (binfo_member): Remove.
6338         * tree.c (binfo_member): Remove.
6339
6340 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6341
6342         * tree.h: Include vec.h
6343         (DEF_VEC_P(tree)): New type.
6344         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
6345         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
6346         (BINFO_LANG_SLOT): Remove.
6347         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
6348         (struct tree_binfo): Turn base_binfos into a trailing
6349         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
6350         (binfo_lang_slots): Remove.
6351         * tree.c (binfo_lang_slots): Remove.
6352         (make_tree_binfo_stat): Take a base binfo count, not a
6353         lang slot count.  Adjust.
6354         * Makefile.in (TREE_H): Add vec.h
6355         * alias.c (record_component_aliases): Adjust BINFO access.
6356         * dbxout.c (dbxout_type): Likewise.
6357         * dwarf2out.c (gen_member_die): Likewise.
6358         * sdbout.c (sdbout_one_type): Likewise.
6359         * tree-dump.c (deque_and_dump): Likewise.
6360         * config/i386/i386.c (classify_argument,
6361         contains_128bit_aligned_vector_p): Likewise.
6362         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
6363         * doc/c-tree.texi (Classes): Update BINFO documentation.
6364
6365 2004-07-20  Steven Bosscher  <stevenb@suse.de>
6366
6367         * c-common.h (check_case_value): Remove prototype.
6368         (c_add_case_label): Adjust prototype.
6369         * c-common.c (check_case_value): Make static.
6370         (check_case_bounds): New function.
6371         (c_add_case_label): Use it.  Take new argument orig_type.
6372         * c-typeck.c (struct c_switch): New orig_type field.
6373         (c_start_case): Set it.
6374         (do_case): Pass it to c_add_case_label.
6375         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
6376         cases from here.  Add the labels in reverse order.
6377         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
6378         (add_case_node): Return nothing, don't check for duplicate cases.
6379         Insert new case nodes in a list, not in an AVL tree.
6380         (expand_end_case_type): Don't turn a case tree into a case list.
6381         (case_tree2list): Remove.
6382         * tree.h (add_case_node): Adjust prototype.
6383
6384 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
6385
6386         * genattr.c (struct range, struct function_unit,
6387         write_units, extend_range, init_range): Remove them.
6388         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6389         Output "#define INSN_SCHEDULING" here.
6390         * genattrtab.c (struct range, struct function_unit_op,
6391         struct function_unit, struct dimension, enum operator,
6392         operate_exp, expand_units, simplify_knowing,
6393         encode_units_mask, simplify_by_exploding,
6394         find_and_mark_used_attributes, unmark_used_attributes,
6395         add_values_to_cover, increment_current_value,
6396         test_for_current_value, simplify_with_current_value,
6397         simplify_with_current_value_aux, gen_unit,
6398         write_unit_name, write_function_unit_info,
6399         write_complex_function, write_toplevel_expr,
6400         find_single_value, extend_range): Remove.
6401         (write_attr_get): Do not handle common_av->value
6402         being an FFS.
6403         (struct attr_desc): Remove func_units_p and blockage_p.
6404         (write_attr_valueq): Do not handle them.
6405         (find_attr): Do not clear them.
6406         (make_internal_attr): Do not initialize them.
6407         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6408         * sched-vis.c (init_target_units, insn_print_units,
6409         init_block_visualization, print_block_visualization,
6410         visualize_scheduled_insns, visualize_no_unit,
6411         visualize_stall_cycles, visualize_alloc,
6412         visualize_free, target_units, get_visual_tbl_length,
6413         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
6414         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
6415         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
6416         * haifa-sched.c (blockage_range, clear_units,
6417         schedule_unit, actual_hazard, potential_hazard,
6418         insn_unit, unit_last_insn, unit_tick,
6419         actual_hazard_this_instance, potential_hazard,
6420         schedule_unit, max_insn_queue_index_value): Remove.
6421         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
6422         max_insn_queue_index.
6423         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
6424         * doc/md.texi (Processor pipeline description): Remove
6425         references to old pipeline descriptions.
6426         (Automaton pipeline description): Merge with the above.
6427         (Old pipeline description, Comparison of the two descriptions):
6428         Remove.
6429
6430         * bt-load.c (migrate_btr_def): Remove references to
6431         use_pipeline_interface.
6432         * haifa-sched.c (insn_cost, schedule_insn,
6433         schedule_block, advance_one_cycle, sched_init,
6434         queue_to_ready, sched_finish): Likewise.
6435         * modulo-sched.c (sms_schedule, advance_one_cycle,
6436         ps_has_conflicts): Likewise.
6437         * sched-rgn.c (init_ready): Likewise.
6438         (debug_dependencies): Likewise, and remove an "if (1)".
6439         * target.h (use_dfa_pipeline_interface): Remove.
6440         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6441         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6442         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6443         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6444         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6445         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6446         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6447         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6448         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6449         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6450         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6451         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6452         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6453         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6454         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6455         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6456         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6457         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6458         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6459
6460 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6461
6462         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
6463
6464 2004-07-19  Jeff Law  <law@redhat.com>
6465
6466         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
6467         (get_eq_expr_value): Use it.  Simplify slightly.
6468
6469 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
6470
6471         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
6472         (umulsidi3_32bit_r4000): Likewise.
6473
6474 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
6475
6476         * vec.h: Propagate location information properly.
6477         (VEC_T_iterate): Add result pointer parameter.
6478         (VEC_T_space): New.
6479         (VEC_T_reserve): Use it.
6480
6481 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
6482
6483         * Makefile.in (c-format.o): Depend on c-format.h.
6484         * c-format.h: New file.
6485         (struct format_char_info): Add CHAIN member.
6486         * c-format.c: Move some types and constants to c-format.h.
6487         (format_type_error): Set to -1.
6488         (struct function_format_info): Use an int for format_type.
6489         (decode_format_type): Return an int.  Return format_type_error
6490         on error.
6491         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
6492         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
6493         (scan_char_table, time_char_table, monetary_char_table): Initialize
6494         CHAIN to NULL.
6495         (n_format_types): New variable.
6496         (check_format_info_main): Handle CHAIN in format_char_info.
6497         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
6498         TARGET_N_FORMAT_TYPES.
6499         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6500         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
6501         * config/sol2-c.c: New file.
6502         * config/t-sol2: New file.
6503         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
6504         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
6505         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
6506
6507         * doc/extend.texi (Target Format Checks): New section.
6508         (Function Attributes): Mention it.
6509         * doc/invoke.texi: Mention target format checks.
6510         * doc/sourcebuild.texi: Mention target format checks.
6511         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
6512         TARGET_FORMAT_TYPES.
6513
6514 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6515
6516         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
6517         added.
6518         * config/s390/s390.c (regclass_map initializer): Register 35 added to
6519         ADDR_REGS.
6520         (load_multiple_operation, store_multiple_operation): Removed
6521         pointless sanity check.
6522         (s390_decompose_address): Added check for return_address_pointer_rtx.
6523         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
6524         (s390_return_address_offset): New function.
6525         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
6526         (FRAME_REGNO_P): Added check for register 35.
6527         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
6528         REG_ALLOC_ORDER): Appended entry for register 35.
6529         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
6530         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
6531         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
6532         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
6533         is eliminable using stack pointer or hard frame pointer.
6534         (REGISTER_NAMES): Added name for register 35.
6535         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
6536         pointless sanity check.
6537
6538 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6539
6540         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
6541         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
6542         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
6543         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
6544         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
6545         (fold_relational_const): Tidy up handling of floating point
6546         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
6547         transformation; fold_relational_const assumes constant operands.
6548
6549 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
6550
6551         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
6552         directory.
6553
6554 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
6555
6556         * c-tree.h (struct c_expr): Define.
6557         (C_SET_EXP_ORIGINAL_CODE): Remove.
6558         (parser_build_binary_op, build_compound_expr): Update prototypes.
6559         * c-parse.in (%union): Add exprtype.
6560         (FUNC_NAME): Mark as ttype.
6561         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
6562         exprtype.
6563         (expr): Update.  Define directly in terms of expr_no_commas
6564         instead of using nonnull_exprlist.
6565         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
6566         offsetof_member_designator, typespec_nonreserved_nonattr, init,
6567         initval, designator, component_declarator,
6568         component_notype_declarator, enumerator, array_declarator,
6569         condition, exexpr, switch_statement, stmt_nocomp, stmt,
6570         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
6571         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
6572         where appropriate.
6573         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
6574         * c-common.c (c_common_truthvalue_conversion): Don't check
6575         C_EXP_ORIGINAL_CODE.
6576         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
6577         Don't use C_EXP_ORIGINAL_CODE.
6578         (default_conversion, default_function_array_conversion): Don't use
6579         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
6580         (internal_build_compound_expr): Merge into build_compound_expr.
6581         (build_compound_expr): Take two operands instead of a TREE_LIST.
6582         * objc/objc-act.c (get_super_receiver): Update calls to
6583         build_compound_expr.
6584
6585 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
6586
6587         * config/sh/sh.c (sh_use_dfa_interface): Remove.
6588         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
6589         hook_int_void_1.
6590         * config/sh/sh.md: Extract pipeline descriptions
6591         into separate files.
6592         * config/sh/sh1.md: New file, extracted from sh.md.
6593         * config/sh/sh4.md: New file, extracted from sh.md.
6594         * config/sh/shmedia.md: New file, extracted from sh.md
6595         and rewritten using new-style pipeline description.
6596
6597 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
6598
6599         * config/pa/pa.md: Delete the two remaining define_peephole
6600         patterns.
6601
6602 2004-07-18  Steven Bosscher  <stevenb@suse.de>
6603             Joseph S. Myers  <jsm@polyomino.org.uk>
6604
6605         * c-common.c (c_common_truthvalue_conversion): Don't warn if
6606         TREE_NO_WARNING is set.
6607
6608 2004-07-18  Roger Sayle  <roger@eyesopen.com>
6609
6610         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
6611         simplify_builtin_strncmp): Delete.
6612         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
6613         Change argument to accept an arglist instead of an "exp".  Assume
6614         that the return type is always integer_type_node.  Copy missing
6615         transformations from their now obsolete simplify_builtin_*
6616         equivalents.
6617         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
6618         fold_builtin_strcmp and fold_builtin_strncmp.
6619         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
6620         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
6621         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
6622
6623 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
6624
6625         * Makefile.in (tree-alias-common.o): Update dependencies.
6626
6627 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
6628
6629         * cfgloop.c (flow_loop_nested_p): Fix comment.
6630
6631 2004-07-17  Jason Merrill  <jason@redhat.com>
6632
6633         PR c++/16115
6634         * stor-layout.c (relayout_decl): New fn.
6635         * tree.h: Declare it.
6636         (DECL_BY_REFERENCE): New macro.
6637
6638 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
6639
6640         * libgcc2.c (__enable_execute_stack): New symbol.
6641         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
6642         and declare __enable_execute_stack.
6643         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
6644         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
6645         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6646         ENABLE_EXECUTE_STACK.
6647         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
6648         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6649         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6650         ENABLE_EXECUTE_STACK.
6651         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6652         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
6653         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6654         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6655         ENABLE_EXECUTE_STACK.
6656         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6657         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6658         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6659         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6660         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
6661         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6662         (sparc64_initialize_trampoline): Likewise.
6663         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
6664
6665 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6666
6667         * langhooks.h (builtin_function): New langhook.
6668         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
6669         (LANG_HOOKS_INITIALIZER): Update.
6670         * tree.h (builtin_function): Remove.
6671         * doc/tm.texi: Update.
6672         * c-tree.h (builtin_function): Declare.
6673         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
6674         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
6675         config/ia64/ia64.c, config/iq2000/iq2000.c,
6676         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
6677         config/stormy16/stormy16.c: All callers of builtin_function
6678         changed.
6679
6680 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
6681
6682         PR target/16556
6683         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
6684         Remove white space after the backslash.
6685
6686 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
6687
6688         PR rtl-optimization/16294
6689         * resource.c (return_insn_p): New predicate.
6690         (mark_target_live_regs): Use it.  Special-case return insns.
6691         (init_resource_info): Use it.  Don't scan the epilogue past
6692         a return.
6693
6694 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6695
6696         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
6697         destroy dominance information.
6698         * passes.c (rest_of_handle_loop2):  Free dominance information.
6699         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
6700         jump threading.
6701         (thread_jumps): Update dominance information and remove unreachable
6702         blocks.
6703         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
6704         information and remove the unreachable block.
6705
6706 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
6707
6708         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
6709
6710 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
6711
6712         * doc/sourcebuild.texi: Remove libf2c entry.
6713
6714 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
6715
6716         * config/i386/i386.md (movv16qi_internal): Fix typo.
6717
6718 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6719
6720         * final.c (final_scan_insn): Fix broken commit from previous
6721         patch.
6722
6723 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6724
6725         * c-typeck.c (parser_build_binary_op): Condition warnings for
6726         X<=Y<=Z on -Wparentheses instead of -Wextra.
6727         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
6728         supported for C only.
6729
6730 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6731
6732         * cfgcleanup.c (try_simplify_condjump): Don't remove line
6733         notes to avoid unreachable code warnings.
6734         * toplev.c (backend_init): Don't emit line notes for
6735         unreachable code warnings.
6736
6737         * combine.c (distribute_notes): Don't distribute a
6738         REG_VTABLE_REF note.
6739         * final.c (final_scan_insn): Don't handle it.
6740         * rtl.c (reg_note_name): Remove it.
6741         * rtl.h (enum reg_node): Dito.
6742
6743         * emit-rtl.c (force_line_numbers, restore_line_number_status):
6744         Remove.
6745         * rtl.h (force_line_numbers, restore_line_number_status):
6746         Remove prototypes.
6747
6748         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
6749         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
6750         (using_eh_for_cleanups): Also moved here.
6751
6752         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
6753         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
6754         to expand_start_case and add_case_node.
6755         * stmt.c (struct nesting): Cleanup unused fields condition_code,
6756         last_unconditional_cleanup, nominal_type, printname, and
6757         line_number_status.
6758         (struct fixup_goto): Remove.
6759         (struct stmt_status): Remove x_goto_fixup_chain field.
6760         (goto_fixup_chain): Remove.
6761         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
6762         pushcase, pushcase_range): Remove.
6763         (expand_start_bindings_and_block): Don't set unused fields in
6764         the nesting stack.
6765         (expand_start_case, add_case_node): Cleanup unused formal arguments.
6766         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
6767         instead of emit_jump_if_reachable.
6768         (emit_case_nodes): Likewise.
6769         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
6770         static.
6771         (update_eh_label): Work around left-over exception handing regions.
6772         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
6773         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
6774         (pass_cleanup_cfg_post_optimizing): New pass.
6775         (init_tree_optimization_passes): Run the new pass after all
6776         optimizations.
6777         * tree.h (pushcase, pushcase_range): Remove prototypes.
6778         (expand_start_case, add_case_node): Update prototypes.
6779
6780 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
6781
6782         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
6783
6784 2004-07-16  Richard Henderson  <rth@redhat.com>
6785
6786         * builtins.c (std_expand_builtin_va_arg): Remove.
6787         (expand_builtin_va_arg): Remove.
6788         * expr.h: Don't declare them.
6789         * gimplify.c (mark_decls_volatile_r): Remove.
6790         (copy_if_shared_r): Don't call it.
6791         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
6792         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
6793         * gimple-low.c (lower_stmt): Likewise.
6794         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
6795         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
6796         * tree-ssa-operands.c (get_expr_operands): Likewise.
6797         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
6798         EXPAND_BUILTIN_VA_ARG.
6799         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
6800         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
6801         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
6802         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6803
6804 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
6805
6806         * tree-ssa-pre.c (insert_aux): Break out if we hit
6807         a critical edge.
6808
6809 2004-07-16  Richard Henderson  <rth@redhat.com>
6810
6811         * basic-block.h (remove_fake_exit_edges): Declare.
6812         * cfganal.c (remove_fake_predecessors): Rename from
6813         remove_fake_successors; iterate over predecessors.
6814         (remove_fake_exit_edges): New.
6815         * cfgcleanup.c (try_optimize_cfg): Use it.
6816         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
6817         * predict.c (estimate_probability): Likewise.
6818         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
6819         * tree-cfg.c (make_edges): Likewise.
6820         * tree-ssa-pre.c (fini_pre): Likewise.
6821         * profile.c (instrument_edges): Don't remove_fake_edges.
6822         (branch_prob): Do it earlier here.
6823
6824 2004-07-16  Richard Henderson  <rth@redhat.com>
6825
6826         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
6827         switchification wrt CONSTRUCTOR.  Document the reason.
6828
6829 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
6830
6831         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
6832         that prevented descriptive __mf_check source location strings.
6833
6834 2004-07-16  Richard Henderson  <rth@redhat.com>
6835
6836         * tree-def (WITH_SIZE_EXPR): New.
6837         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
6838         * expr.c (expand_expr_real_1): Likewise.
6839         * gimplify.c (maybe_with_size_expr): New.
6840         (gimplify_arg, gimplify_modify_expr): Use it.
6841         (gimplify_modify_expr_to_memcpy): Take size parameter.
6842         (gimplify_modify_expr_to_memset): Likewise.
6843         (gimplify_expr): Handle WITH_SIZE_EXPR.
6844         * tree-alias-common.c (find_func_aliases): Likewise.
6845         * tree-eh.c (tree_could_trap_p): Likewise.
6846         (tree_could_throw_p): Likewise.
6847         * tree-gimple.c (is_gimple_lvalue): Likewise.
6848         (get_call_expr_in): Likewise.
6849         * tree-inline.c (estimate_num_insns_1): Likewise.
6850         (expand_calls_inline): Likewise.
6851         * tree-nested.c (convert_call_expr): Likewise.
6852         * tree-pretty-print.c (dump_generic_node): Likewise.
6853         * tree-sra.c (sra_walk_expr): Likewise.
6854         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
6855         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
6856         * tree-ssa-operands.c (get_expr_operands): Likewise.
6857         * tree-tailcall.c (find_tail_calls): Likewise.
6858
6859         * calls.c (expand_call): Reset old_stack_allocated after
6860         calling emit_stack_restore.
6861
6862 2004-07-16  Richard Henderson  <rth@redhat.com>
6863
6864         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
6865         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6866         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6867         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
6868         copy_res_decl_for_inlining.
6869
6870         * tree-inline.c (declare_return_variable): New modify_dest argument.
6871         Use it as the return value, when possible or manditory.  Handle
6872         TREE_ADDRESSABLE types.
6873         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
6874         replacement of CALL_EXPR.
6875
6876 2004-07-16  Richard Henderson  <rth@redhat.com>
6877
6878         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
6879         * gimple-low.c (expand_var_p): Don't check it.
6880         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
6881         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
6882         * tree-ssa-operands.c (add_stmt_operand): Likewise.
6883         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
6884         (find_referenced_vars): Don't call them.
6885         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
6886
6887 2004-07-16  Richard Henderson  <rth@redhat.com>
6888
6889         * function.c (pass_by_reference): True for all variable sized types.
6890
6891 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
6892
6893         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
6894         * tree-pretty-print.c: Include tree-chrec.h.
6895         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
6896         and POLYNOMIAL_CHREC nodes.
6897
6898 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
6899
6900         * builtins.c (expand_builtin_stpcpy): Do not create temporary
6901         reg with VOIDmode.
6902
6903 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6904
6905         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
6906
6907 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6908
6909         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
6910         to BASE_REGNUM.
6911         * config/s390/s390.c: Likewise.
6912         * config/s390/s390.h: Likewise.
6913
6914 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6915
6916         * config/mips/mips.md (addsi3, adddi3): Remove special handling
6917         of $sp adds.  Remove REGNO checks from mips16 patterns.
6918
6919 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6920
6921         * config/mips/mips.md: Delete outdated comment.
6922
6923 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6924
6925         * config/mips/mips.c (get_float_compare_codes): Delete.
6926         (mips_emit_compare): New function, mostly extracted from
6927         get_float_compare_codes and gen_conditional_branch.
6928         (gen_conditional_branch, gen_conditional_move): Use it.
6929
6930 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6931
6932         * genautomata.c (add_vect): Speedup by using integers as
6933         bit-vectors for walking through the comb_vect and finding
6934         a match.
6935
6936 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6937
6938         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
6939         operand is an uns_arith_operand; use subtraction otherwise.
6940         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
6941         not just arith_operands.
6942
6943 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6944
6945         * config/mips/mips-protos.h (gen_int_relational): Delete.
6946         (mips_emit_scc): Declare.
6947         * config/mips/mips.c (internal_test): Delete.
6948         (sle_operand, sleu_operand): New functions.
6949         (map_test_to_internal_test, gen_int_relational): Delete.
6950         (mips_emit_binary, mips_relational_operand_ok_p)
6951         (mips_emit_int_relational, mips_zero_if_equal)
6952         (mips_emit_scc): New functions.
6953         (gen_conditional_branch): Rework to use mips_emit_int_relational.
6954         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
6955         sleu_operand.
6956         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
6957         (sltu, sleu): Use mips_emit_scc.
6958         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
6959         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
6960         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
6961
6962 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6963
6964         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
6965
6966 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6967
6968         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
6969         (*sne_[sd]i): Likewise sne_[sd]i_zero.
6970         (*sgt_[sd]i): ...and sgt_[sd]i.
6971         (*slt_[sd]i): ...and slt_[sd]i.
6972         (*sgtu_[sd]i): ...and sgtu_[sd]i.
6973         (*sltu_[sd]i): ...and sltu_[sd]i.
6974         (*sleu_[sd]i): ...and sleu_[sd]i_const.
6975         Name previously unnamed mips16 patterns.  Formatting fixes.
6976
6977 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6978
6979         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
6980         (branch_type): Delete.
6981         (gen_conditional_branch, gen_conditional_move)
6982         (mips_gen_conditional_trap): Update after name change.  Get the
6983         comparison mode from cmp_operands[0].
6984         * config/mips/mips.h (cmp_type, branch_type): Delete.
6985         (cmp_operands): Renamed from branch_cmp.
6986         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
6987         name change.  Don't set branch_type.
6988         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
6989         mode class of cmp_operands[0] rather than branch_type.  Update after
6990         name change.
6991
6992 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6993
6994         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
6995         of 0...255 to 0 when inside a SET.
6996
6997 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6998
6999         * config/mips/mips.md: Remove mips16 define_peepholes.
7000
7001 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
7002
7003         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
7004         (fini_pre): Remove fake edges.
7005
7006 2004-07-15  Richard Henderson  <rth@redhat.com>
7007
7008         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
7009         (get_indirect_ref_operands, get_call_expr_operands): ... these.
7010
7011 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7012
7013         * vec.h (VEC_address): New function.
7014
7015 2004-07-14  Jason Merrill  <jason@redhat.com>
7016
7017         PR middle-end/15885
7018         * gimplify.c (gimplify_arg): New fn, split out from...
7019         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
7020
7021 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7022
7023         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
7024         generate code which is generated by pushqi1 now
7025         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
7026
7027 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
7028
7029         * combine.c (simplify_set): match the mode of the constant 0 with
7030         the tested operand to match the compare behaviour and the
7031         simplify_relational_operation() expectation.
7032
7033 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7034
7035         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
7036         ("bordered"): Same.
7037
7038 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7039
7040         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
7041         unconditionally.
7042         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
7043
7044 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7045
7046         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
7047         calls in mips16 code.
7048
7049 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7050
7051         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
7052         the destination of the li as well as for the neg.
7053
7054 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
7055
7056         g++/15861
7057         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
7058         * cgraph.h: Update declaration.
7059         * c-decl.c (build_cdtor): Update call with default priority.
7060         * coverage.c (create_coverage): Ditto.
7061         * tree-mudflap.c (mf_init_fndecl): New tree.
7062         (mudflap_init): Set it.
7063         (mudflap_register_call): Arrange to call __mf_init before the first
7064         __mf_register call.
7065         (mudflap_finish_file): Mark the mudflap static initializer as extra
7066         high priority, to beat all C++ static constructors.
7067
7068 2004-07-15  Jeff Law  <law@redhat.com>
7069
7070         * loop.c (check_insn_for_givs): Restore check for code labels that was
7071         accidentally deleted by a recent checkin.
7072
7073 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7074
7075         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
7076         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
7077
7078 2004-07-14  Richard Henderson  <rth@redhat.com>
7079
7080         * print-tree.c (print_node): Fix casts last change.
7081
7082 2004-07-15  Paul Brook  <paul@codesourcery.com>
7083
7084         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
7085         to TARGET_UNWIND_INFO.
7086         * except.c (output_function_exception_table): Ditto.
7087         * except.h: Ditto.
7088         * opts.c (decode_options): Ditto.
7089         * passes.c (rest_of_handle_final): Ditto.
7090         * final.c (final_start_function): Ditto.
7091         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
7092         target hook.
7093         * targhooks.h (default_unwind_emit): Declare.
7094         * targhooks.c (default_unwind_emit): New function.
7095         * target-def.h: Define and use TARGET_UNWIND_EMIT.
7096         * target.h (struct gcc_target): Add unwind_emit.
7097         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
7098         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
7099         Remove IA64_UNWIND_EMIT.
7100         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
7101
7102 2004-07-14  Richard Henderson  <rth@redhat.com>
7103
7104         * print-tree.c (print_node): Handle SSA_NAME.
7105
7106 2004-07-14  James E Wilson  <wilson@specifixinc.com>
7107
7108         PR target/16325
7109         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
7110         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
7111
7112 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
7113
7114         * expr.c (expand_assignment): Reenable bitfield += optimizations.
7115         Use alias set 0 for memory, do proper mode calculations and adjust
7116         address for memories.
7117
7118 2004-07-14  Per Bothner  <per@bothner.com>
7119
7120         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
7121         structure with extra column field.
7122         * tree.c (expand_location):  Also fill in column field.
7123         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
7124         gets confused by the two conditionally-compiled definitions.
7125
7126 2004-07-14  Eric Christopher  <echristo@redhat.com>
7127
7128         * calls.c (expand_call): Fix typo in comment.
7129
7130 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
7131
7132         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
7133         comparision of TFmode.
7134
7135 2004-07-14  Richard Henderson  <rth@redhat.com>
7136
7137         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
7138         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
7139         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
7140         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7141         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7142         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7143         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7144         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7145         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7146
7147 2004-07-14  Mike Stump  <mrs@apple.com>
7148
7149         * config/darwin.h (WINT_TYPE): Define to be int to match
7150         system header files.
7151
7152 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
7153
7154         * config/xtensa/xtensa.c (function_arg_advance): Check for args
7155         that must be passed in the stack.
7156         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
7157         arguments if the size is not a constant.
7158
7159 2004-07-14  Per Bothner  <per@bothner.com>
7160
7161         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
7162         instead of EXPR_LOCUS in a boolean context, which is always true
7163         if --enable-mapped-location.
7164         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7165
7166 2004-07-14  Richard Henderson  <rth@redhat.com>
7167
7168         * dominance.c (struct dom_info): Add fake_exit_edge.
7169         (init_dom_info): Allocate it.
7170         (free_dom_info): Free it.
7171         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
7172         in two passes.
7173         (calc_idoms): Honor fake_exit_edge.
7174
7175 2004-07-13  Jason Merrill  <jason@redhat.com>
7176
7177         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
7178         (rhs_test_for): New fn.
7179         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
7180         * tree-gimple.h: Declare them.
7181         * gimplify.c (gimplify_modify_expr): Use the new fns.
7182
7183 2004-07-14  Richard Henderson  <rth@redhat.com>
7184
7185         * config/arm/arm-protos.h (arm_va_arg): Remove.
7186         * config/arm/arm.c (arm_va_arg): Remove.
7187         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
7188         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
7189
7190 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7191
7192         * pa.c (fix_range): New function to mark a range(s) of registers as
7193         fixed registers.
7194         (override_options): Call fix_range if the -mfixed-range option string
7195         is not empty.
7196         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
7197         * doc/invoke.texi (-mfixed-range): Document new option.
7198
7199 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
7200
7201         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
7202         for TARGET_64BIT.
7203         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
7204
7205 2004-07-14  Roger Sayle  <roger@eyesopen.com>
7206
7207         * expmed.c (expand_sdiv_pow2): New function to expand signed division
7208         by a positive power of two, split out from expand_divmod.  Provide
7209         an alternate implementation when shifts are expensive.  Lower the
7210         threshold for using a branchless implementation to BRANCH_COST >= 2.
7211         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
7212
7213 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7214
7215         * tree-dfa.c (make_rename_temp): *Really* work just
7216         like create_tmp_var if called while outside SSA form.
7217
7218 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7219
7220         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
7221         for division by zero.
7222         ("umodsi3"): Likewise.
7223
7224 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7225
7226         * config/mips/mips.c (mips_output_move): When generating mips16 code,
7227         force loads of negative constants to be split.
7228         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
7229         Generalize SImode li/neg splitter to cope with other modes.
7230
7231 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7232
7233         * expmed.c: Remove more references to QUEUED in the comments.
7234         * expr.c: Likewise.
7235
7236 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7237
7238         Revert:
7239         2004-07-13  Richard Henderson  <rth@redhat.com>
7240         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
7241         correctly.
7242
7243 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7244
7245         * tree-dfa.c (make_rename_temp): Work just like
7246         create_tmp_var if called while outside SSA form.
7247
7248 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7249
7250         * expr.c (enqueue_insn, finish_expr_for_function,
7251         protect_from_queue, queued_subexp_p, mark_queue,
7252         emit_insns_enqueued_after_mark, emit_queue,
7253         expand_increment): Remove.
7254         (store_constructor): Expand increment as an assignment.
7255         (expand_expr_real_1 <case PREINCREMENT_EXPR,
7256         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
7257         case POSTDECREMENT_EXPR>): Abort.
7258         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
7259         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
7260         protect_from_queue, emit_queue, queued_subexp_p): Remove.
7261         * function.h (pending_chain, x_pending_chain): Remove.
7262         * rtl.def (QUEUED): Remove.
7263
7264         * emit-rtl.c (copy_insn_1, copy_most_rtx,
7265         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
7266         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
7267         encode_units_mask): Likewise.
7268         * local-alloc.c (equiv_init_varies_p): Likewise.
7269         * rtl.c (copy_rtx): Likewise.
7270         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7271         * simplify-rtx.c (simplify_gen_subreg): Likewise.
7272         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
7273
7274         * builtins.c (expand_builtin, expand_builtin_apply,
7275         expand_builtin_mathfn, expand_builtin_mathfn_2,
7276         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
7277         Remove calls to emit_queue and protect_from_queue.
7278         * calls.c (expand_call, precompute_arguments,
7279         precompute_register_parameters, rtx_for_function_call,
7280         store_one_arg): Likewise.
7281         * dojump.c (do_compare_and_jump, do_jump): Likewise.
7282         * explow.c (memory_address): Likewise.
7283         * expmed.c (clear_by_pieces_1, clear_storage,
7284         clear_storage_via_libcall, emit_group_load,
7285         emit_group_store, emit_store_flag,
7286         expand_expr_real_1, store_by_pieces,
7287         store_constructor, store_expr, try_casesi,
7288         try_tablejump): Likewise.
7289         * function.c (expand_pending_sizes): Likewise.
7290         * optabs.c (emit_cmp_and_jump_insns,
7291         emit_conditional_add, emit_conditional_move,
7292         expand_fix, expand_float, prepare_cmp_insn): Likewise.
7293         * stmt.c (emit_case_bit_tests,
7294         expand_asm_expr, expand_computed_goto,
7295         expand_decl_init, expand_end_case_type,
7296         expand_end_stmt_expr, expand_expr_stmt_value,
7297         expand_return, expand_start_case,
7298         optimize_tail_recursion): Likewise.
7299         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7300         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
7301
7302 2004-07-14  Ben Elliston  <bje@au.ibm.com>
7303
7304         * vec.h: Comment fix.
7305
7306 2004-07-13  Richard Henderson  <rth@redhat.com>
7307
7308         * target.h (struct gcc_target): Add calls.pass_by_reference.
7309         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
7310         * function.c (pass_by_reference): Use the hook.
7311         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
7312         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
7313         (hook_pass_by_reference_must_pass_in_stack): New.
7314         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
7315         (alpha_pass_by_reference): New.
7316         (TARGET_PASS_BY_REFERENCE): New.
7317         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7318         * config/arc/arc.c (arc_pass_by_reference): New.
7319         (TARGET_PASS_BY_REFERENCE): New.
7320         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7321         (FUNCTION_ARG_CALLEE_COPIES): True.
7322         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
7323         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
7324         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
7325         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7326         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7327         * config/cris/cris.c (cris_pass_by_reference): New.
7328         (TARGET_PASS_BY_REFERENCE): New.
7329         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
7330         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
7331         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7332         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
7333         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7334         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
7335         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
7336         (frv_function_arg_pass_by_reference): Remove.
7337         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7338         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
7339         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
7340         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
7341         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7342         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
7343         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
7344         (ia64_pass_by_reference): Rename from
7345         ia64_function_arg_pass_by_reference.
7346         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7347         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7348         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
7349         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
7350         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
7351         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7352         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7353         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
7354         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
7355         (m32r_pass_by_reference): Adjust prototype.  Make static.
7356         Handle mode sizes correctly.
7357         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7358         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
7359         (m68hc11_function_arg_pass_by_reference): Remove.
7360         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7361         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7362         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
7363         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7364         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
7365         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
7366         (mips_va_arg): Use pass_by_reference.
7367         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
7368         Handle mode sizes correctly.
7369         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7370         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7371         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
7372         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
7373         (mmix_pass_by_reference): Rename from
7374         mmix_function_arg_pass_by_reference.
7375         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7376         (FUNCTION_ARG_CALLEE_COPIES): True.
7377         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
7378         (mn10300_pass_by_reference): New.
7379         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7380         (FUNCTION_ARG_CALLEE_COPIES): True.
7381         * config/pa/pa.c (pa_pass_by_reference): New.
7382         (TARGET_PASS_BY_REFERENCE): New.
7383         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7384         (FUNCTION_ARG_CALLEE_COPIES): True.
7385         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
7386         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
7387         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
7388         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7389         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
7390         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
7391         (s390_pass_by_reference): Rename from
7392         s390_function_arg_pass_by_reference.
7393         (s390_function_arg_advance): Don't query pass-by-ref.
7394         (s390_function_arg): Likewise.
7395         (s390_gimplify_va_arg): Use pass_by_reference.
7396         (s390_call_saved_register_used): Likewise.
7397         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7398         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
7399         (shcompact_byref, sh_pass_by_reference): New.
7400         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7401         (SHCOMPACT_BYREF): Remove.
7402         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
7403         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
7404         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
7405         (sparc_gimplify_va_arg): Use pass_by_reference.
7406         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7407         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7408         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
7409         (v850_pass_by_reference): New.
7410         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7411         (FUNCTION_ARG_CALLEE_COPIES): True.
7412         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
7413         FUNCTION_ARG_PASS_BY_REFERENCE docs.
7414
7415 2004-07-14  Richard Henderson  <rth@redhat.com>
7416             Richard Sandiford  <rsandifo@redhat.com>
7417
7418         * config/mips/mips-protos.h (mips_va_arg): Delete.
7419         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
7420         * config/mips/mips.c: Include tree-gimple.h.
7421         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
7422         (mips_arg_info): Remove special handling of must_pass_in_stck args.
7423         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
7424         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
7425
7426 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
7427
7428         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
7429         arguments for COND_EXPR in big-endian adjustment code.
7430
7431 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7432
7433         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
7434         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
7435         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
7436         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
7437
7438 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7439
7440         PR tree-optimization/16443
7441         * tree-ssa-alias.c: Add more description for
7442         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
7443         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
7444         clobbering of call-clobbered and addressable variables.  If
7445         there are any before aliases have been computed, add them.
7446
7447 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7448
7449         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
7450         verification.
7451
7452 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
7453
7454         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
7455         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
7456         to the same type.
7457
7458 2004-07-13  Per Bothner  <per@bothner.com>
7459
7460         * collect2.c (main):  Handle --no-demangle and --demangle flags.
7461
7462 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
7463
7464         * Makefile.in (OBJS-common): Add tree-data-ref.o.
7465         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
7466         (tree-data-ref.o): New rule.
7467         * lambda.h: New file.
7468         * tree-data-ref.c: New file.
7469         * tree-data-ref.h: New file.
7470         * tree.c (int_cst_value, tree_fold_gcd): New functions.
7471         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
7472
7473 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7474
7475         PR target/13926
7476         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
7477         * config/sparc/sparc.c (output_ubranch): New function.
7478         * config/sparc/sparc.md (jump pattern): Use it.
7479
7480 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7481
7482         PR target/16494
7483         * config/sparc/sparc.c (output_cbranch): Properly guard
7484         the code handling far branches with TARGET_V9.
7485         * config/sparc/sparc.md (length attribute): Document the
7486         side-effect of having a length greater or equal to 3.
7487
7488 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7489             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
7490
7491         PR target/15186
7492         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
7493         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
7494
7495 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7496             Martin Sebor  <sebor@roguewave.com>
7497
7498         PR target/12602
7499         * doc/invoke.texi (SPARC options): Document -threads
7500         and -pthreads on Solaris.
7501
7502 2004-07-13  Richard Henderson  <rth@redhat.com>
7503
7504         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
7505         by reference.
7506         (ind_gimplify_va_arg_expr): Remove.
7507         * tree.h (ind_gimplify_va_arg_expr): Remove.
7508         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
7509         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
7510         argsp to be null.
7511
7512         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
7513         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
7514         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
7515         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
7516         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
7517
7518 2004-07-13  Richard Henderson  <rth@redhat.com>
7519
7520         * function.c (pass_by_reference): New.
7521         (assign_parm_find_data_types): Use it.
7522         * calls.c (initialize_argument_information): Likewise.
7523         (emit_library_call_value_1): Likewise.
7524         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7525         * function.h (pass_by_reference): Declare.
7526
7527 2004-07-13  Richard Henderson  <rth@redhat.com>
7528
7529         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
7530         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
7531         * expr.h (MUST_PASS_IN_STACK): Remove.
7532         * system.h (MUST_PASS_IN_STACK): Poison.
7533         * tree.h (must_pass_in_stack_var_size): Declare.
7534         (must_pass_in_stack_var_size_or_pad): Declare.
7535         * calls.c (must_pass_in_stack_var_size): New.
7536         (must_pass_in_stack_var_size_or_pad): Rename from
7537         default_must_pass_in_stack.
7538         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
7539         (TARGET_MUST_PASS_IN_STACK): New.
7540         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
7541         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
7542         (TARGET_MUST_PASS_IN_STACK): New.
7543         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
7544         * config/frv/frv.c (frv_must_pass_in_stack): New.
7545         (TARGET_MUST_PASS_IN_STACK): New.
7546         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
7547         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
7548         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
7549         (ix86_must_pass_in_stack): Make static.
7550         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
7551         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
7552         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
7553         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
7554         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
7555         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
7556         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
7557         (mcore_must_pass_on_stack): Remove.
7558         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
7559         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
7560         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
7561         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
7562         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
7563         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
7564         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
7565         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
7566         (TARGET_MUST_PASS_IN_STACK): New.
7567         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
7568         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
7569         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
7570         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
7571         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
7572         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
7573         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
7574         MUST_PASS_IN_STACK.
7575
7576         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
7577         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
7578         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
7579         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
7580         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
7581         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
7582         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
7583         config/xtensa/xtensa.c: Use target hook.
7584
7585 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
7586
7587         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
7588         * configure: Rebuilt.
7589
7590 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7591
7592         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
7593         * config/mips/mips.h (mips_reg_names): Don't declare.
7594         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
7595         (TARGET_NAME_REGS): Delete.
7596         (TARGET_SWITCHES): Remove -mrnames.
7597         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
7598         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
7599         in REGISTER_NAMES.
7600         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
7601         (override_options): Remove handling of TARGET_NAME_REGS.
7602
7603 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7604
7605         * config/mips/mips.h (TARGET_*): Boolify.
7606
7607 2004-07-12  Nick Clifton  <nickc@redhat.com>
7608
7609         * config.gcc: Add sh-*-symbianelf target.
7610         * config/sh/sh.c: Add new target macros:
7611         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
7612         TARGET_CXX_IMPORT_EXPORT_CLASS.
7613         (sh_file_start): Create a definition of the .directive section.
7614         (sh_attribute): Add dllimport and dllexport attributes.
7615         * config/sh/symbian-pre.h: New file.
7616         * config/sh/symbian-post.h: New file.
7617         * config/sh/symbian.c: New file. Contains Symbian specific
7618         functions.
7619         * config/sh/sh-protos.h: Add prototypes for new functions
7620         provided by symbian.c.
7621         * config/sh/t-symbian: New file.
7622         * doc/extend.texi: Document support for dllimport and dllexport
7623         attributes by the sh-symbianelf target.
7624
7625 2004-07-12  James E Wilson  <wilson@specifixinc.com>
7626
7627         * Makefile.in (AR): Use @AR@ not ar.
7628         (NM): New.
7629         (AR_FOR_TARGET): Use $(AR) not ar for native.
7630         (NM_FOR_TARGET): Use $(NM) not nm for native.
7631         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
7632         * configure: Regenerate.
7633
7634 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
7635
7636         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
7637         special case.
7638         (ashldi3_sp64): Likewise.
7639
7640 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7641
7642         PR target/16477
7643         * pa.c (function_arg): Update comment.
7644         * pa.h (BLOCK_REG_PADDING): Define.
7645
7646 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7647
7648         PR tree-optimization/16461
7649         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
7650         arguments of phi nodes.
7651
7652 2004-07-12  Devang Patel  <dpatel@apple.com>
7653
7654         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
7655
7656 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
7657
7658         * function.c (expand_function_start): Ensure r_save is in Pmode.
7659         * calls.c (prepare_call_address): Ensure static_chain_value is
7660         in Pmode.
7661         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
7662         r_save_area are in Pmode.
7663         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
7664         fnaddr, and static_chain are in Pmode.
7665
7666 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
7667
7668         PR target/16445
7669         * config/ia64/ia64.c (bundling): Don't count ignored insns.
7670
7671 2004-07-12  Richard Henderson  <rth@redhat.com>
7672
7673         * target.h (struct gcc_target): Move gimplify_va_arg_expr
7674         next to build_builtin_va_list.
7675         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
7676         * builtins.c (gimplify_va_arg_expr): Likewise.
7677         * gimplify.c (copy_if_shared_r): Likewise.
7678
7679 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
7680
7681         * passes.c (rest_of_decl_compilation): Don't defer call of
7682         assemble_variable if its DECL_RTL is already set.
7683
7684 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
7685
7686         * cfgloop.h (struct loop): Add nb_iterations field.
7687         (current_loops): Declare.
7688         * tree-chrec.c (chrec_not_analyzed_yet,
7689         chrec_dont_know, chrec_known, count_ev_in_wider_type,
7690         chrec_contains_symbols_defined_in_loop): Remove the temporary
7691         hooks.
7692         * tree-flow-inline.h (loop_containing_stmt): New function.
7693         * tree-scalar-evolution.c: Add implementation.
7694         * tree-scalar-evolution.h: Add declarations.
7695
7696 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
7697
7698         PR rtl-optimization/15921
7699         * Makefile.in (global.o): Add recog.h.
7700
7701         * global.c (recog.h): Add the include-clause.
7702         (bb_info): New member earlyclobber.
7703         (allocate_bb_info, free_bb_info): Initialize/finish the new
7704         member.
7705         (earlyclobber_regclass, earlyclobber_regclass_length): The new
7706         global variables.
7707         (check_earlyclobber, regclass_intersect,
7708         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
7709         New functions.
7710         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
7711         (make_accurate_live_analysis): Modify pavin.
7712
7713 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
7714
7715         * tree-cfg.c (find_taken_edge): Statically compute the truth
7716         value of a predicate comparing an SSA_NAME to itself.
7717
7718 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7719
7720         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
7721         rs6000 doesn't have shift-and-add or shift-and-sub instructions
7722         by returning the cost of a multiplication plus an addition.
7723
7724 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
7725
7726         PR tree-optimization/14107
7727         * gimplify.c (gimplify_return_expr): Accept a
7728         RETURN_EXPR with an error argument.
7729         * tree-optimize.c (init_tree_optimization_passes):
7730         Run pass_warn_function_return at -O0.
7731
7732 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7733
7734         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
7735         index entry.
7736
7737 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
7738
7739         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
7740         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7741         * config/mips/3000.md: Add copyright notice.  Remove automota and
7742         function units; use generic ones instead.  Only define reservations
7743         for things that are different from generic.md.  Extend each clause
7744         to include r3900.
7745         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
7746         * config/mips/mips.md: Include them. Remove define_function_units.
7747         (alu, imuldiv): New automata and units.
7748
7749 2004-07-12  Ben Elliston  <bje@au.ibm.com>
7750
7751         * doc/invoke.texi (Optimize Options): Document -frename-registers
7752         not being enabled by default at -O3.
7753
7754 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7755
7756         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
7757         floating point additions, to keep real immediate constant positive.
7758         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
7759         into X + C, and leave positive real constants as X - C.
7760
7761 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7762
7763         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
7764
7765 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7766
7767         PR tree-optimization/15654
7768         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
7769
7770 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7771
7772         * builtins.c (fold_builtin_fputs): Don't bother converting the
7773         return type to integer_type_node, as we've already checked that
7774         the result will be ignored.
7775
7776         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
7777         that signed addition, subtraction, multiplication, division,
7778         remainder, negation and absolute value may potentially trap.
7779
7780         * fold-const.c (fold_ignored_result): New function to strip
7781         non-side-effecting tree nodes from an expression whose result
7782         is ignored.
7783         (fold_convert): Call fold_ignored_result when casting a value
7784         to VOID_TYPE.
7785         (omit_one_operand):  Call fold_ignored_result on the "omitted"
7786         operand when building a COMPOUND_EXPR.
7787         (pedantic_omit_one_operand): Likewise.
7788         * tree.h (fold_ignored_result): Prototype here.
7789         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
7790         when we're going to ignore the result.
7791
7792 2004-07-11  Richard Henderson  <rth@redhat.com>
7793
7794         PR tree-opt/16383
7795         * tree-ssa-ccp.c (fold_stmt_r): Split out...
7796         * tree.c (fields_compatible_p, find_compatible_field): ... new.
7797         * tree.h (fields_compatible_p, find_compatible_field): Declare.
7798         * tree-sra.c (sra_hash_tree): Hash fields by offset.
7799         (sra_elt_eq): Use fields_compatible_p.
7800         (generate_one_element_ref): Use find_compatible_field.
7801
7802 2004-07-11  Richard Henderson  <rth@redhat.com>
7803
7804         PR tree-opt/16422
7805         * tree-sra.c (generate_one_element_init): New.
7806         (generate_element_init): Use it.
7807         (scalarize_init): Push/pop gimplify context around it.
7808         (find_new_referenced_vars_1, find_new_referenced_vars): New.
7809         * gimplify.c (gimplify_expr): Allow SSA_NAME.
7810
7811 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7812
7813         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
7814         combine.c's combine_insn_cost.
7815         * rtl.h (insn_rtx_cost): Prototype here.
7816         * combine.c (combine_insn_cost): Delete function.
7817         (combine_validate_cost): Update callers of combine_insn_cost to
7818         call insn_rtx_cost instead.
7819         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
7820         requesting the rtx_cost of call and/or jump instructions.
7821
7822         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
7823         rtx_cost directly.  Don't request/use the cost of call or jump
7824         instructions.  Return -1 if the cost of any instruction can't be
7825         determined (or the BB contains a function call).
7826         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
7827         -1 (i.e. can't determine the cost of any instruction or the basic
7828         block contains a subroutine call).
7829         (find_if_case_2): Likewise.
7830
7831 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7832
7833         * rs6000.c (struct processor_costs): Change semantics of fields to
7834         include the COST_N_INSNS scaling, and update all initializers.
7835         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
7836         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
7837         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
7838         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
7839
7840 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7841
7842         * LANGUAGES: Remove obsolete information.
7843
7844 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7845
7846         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
7847         SIGBUS signal frames, the PSW address points *to* the faulting
7848         instruction, not after it.
7849
7850 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7851
7852         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
7853         added to TLS symbol addresses.
7854
7855 2004-07-11  Richard Henderson  <rth@redhat.com>
7856
7857         * expmed.c (init_expmed): Use stack-local structures for
7858         temporary rtl.  Don't recognize shifts.
7859
7860 2004-07-11  Richard Henderson  <rth@redhat.com>
7861
7862         * expr.c (store_expr): Don't fiddle subreg promotion for types
7863         with precision smaller than the mode.
7864
7865 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7866
7867         * tree.h (all_types_permanent): Remove.
7868
7869 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7870
7871         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
7872         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
7873         * langhooks.c (lhd_clear_binding_stack): Remove.
7874         * langhooks-def.h (lhd_clear_binding_stack,
7875         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7876         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
7877         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
7878         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7879         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
7880         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7881         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
7882         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7883         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
7884         * tree.h (poplevel): Don't declare.
7885         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
7886         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7887         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
7888         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
7889         Remove.
7890
7891 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7892
7893         PR tree-optimization/16437
7894         * c-common.c (shorten_compare): Don't mark result of conversion to
7895         narrower signed type as overflowing.
7896         * fold-const.c (decode_field_reference): Determine whether
7897         signedness comes from outer type using precision rather than size.
7898
7899 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7900
7901         * configure.ac:  Alphabetize --enable-checking list, add
7902         missing valgrind entry.
7903         * configure:  Regenerate.
7904
7905 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7906
7907         * doc/install.texi (Testing):  Fix syntax in "make check" example.
7908
7909 2004-07-10  James E Wilson  <wilson@specifixinc.com>
7910
7911         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
7912
7913 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7914
7915         PR rtl-optimization/16001
7916         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
7917         niter_expr.
7918
7919 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
7920
7921         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
7922
7923 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
7924             James Morrison  <phython@gcc.gnu.org>
7925
7926         * doc/contrib.texi (Contributors): Add gfortran contributors and
7927         fix a couple of typos.
7928
7929 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7930
7931         PR rtl-optimization/15387
7932         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
7933         to incoming args space correctly.
7934
7935 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7936
7937         * pa.c (output_indirect_call): Only use %r2 as the link register in
7938         indirect calls with the long PA 2.0 pc-relative branch.
7939
7940 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
7941
7942         * config/i386/i386.c (override_options): Pick a 64-bit CPU
7943         for the default tuning if TARGET_64BIT.
7944
7945 2004-07-10  Richard Henderson  <rth@redhat.com>
7946
7947         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
7948         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
7949
7950 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
7951
7952         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
7953         * expmed.c (store_bit_field, extract_bit_field): Remove last
7954         argument.
7955         * builtins.c (expand_builtin_signbit): Adjust callers.
7956         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
7957         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
7958         * ifcvt.c (noce_emit_move_insn): Likewise.
7959         * stmt.c (expand_return): Likewise.
7960         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
7961         store_field, expand_expr_real_1): Likewise.
7962
7963 2004-07-10  Richard Henderson  <rth@redhat.com>
7964
7965         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
7966
7967 2004-07-09  Mike Stump  <mrs@apple.com>
7968
7969         * config/darwin.c (no_dead_strip): Add.
7970         (HAVE_DEAD_STRIP): Add.
7971         (darwin_emit_unwind_label): Ensure that we don't dead code strip
7972         the .eh label.
7973
7974 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7975
7976         * tree-ssa-loop-im.c: New file.
7977         * Makefile.in (tree-ssa-loop-im.o): Add.
7978         * cfgloop.c (superloop_at_depth): New function.
7979         * cfgloop.h (superloop_at_depth): Declare.
7980         * common.opt (ftree-lim): New flag.
7981         * expr.c (array_ref_up_bound): New function.
7982         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
7983         * timevar.def (TV_LIM): New timevar.
7984         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
7985         computing immediate uses of a phi node.
7986         * tree-flow.h (struct tree_ann_common_d): Add aux field.
7987         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
7988         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
7989         * tree-pass.h (pass_lim): Declare.
7990         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
7991         functions.
7992         (pass_lim): New pass structure.
7993         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
7994         * tree.c (in_array_bounds_p): New function.
7995         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
7996         (in_array_bounds_p, array_ref_up_bound): Declare.
7997         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
7998         * doc/passes.texi (tree-ssa-loop-im.c): Document.
7999
8000 2004-07-09  Richard Henderson  <rth@redhat.com>
8001
8002         * builtins.c (expand_builtin_stpcpy): Don't modify len.
8003
8004         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
8005         with prejudice.
8006
8007 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
8008
8009         * flags.h: Delete redundant prototypes that are being generated
8010         in options.h from common.opt.
8011         * common.opt: Add in the expository comments formerly in flags.h.
8012
8013 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8014
8015         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
8016         available for use only when TARGET_MMX/_SSE is set, and check for
8017         variable argument function if any register count is non-zero.
8018         (function_arg): Correctly suppress repeated warnings for passing SSE
8019         vectors are arguments without SSE enabled.
8020         (ix86_function_arg_boundary): Without SSE enabled, the use of what
8021         would be SSE register modes does no longer influence the alignment.
8022
8023 2004-07-09  Richard Henderson  <rth@redhat.com>
8024
8025         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
8026         Always align upward to arg boundary.  Use size_in_bytes/round_up.
8027         Maintain type-correctness of constants.
8028         * stor-layout.c (round_up, round_down): Special-case powers of 2.
8029
8030 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8031
8032         * config/sparc/sparc.c (*_costs): Scale instruction costs
8033         by COSTS_N_INSNS.
8034         (sparc_rtx_costs): Adjust as appropriate.
8035
8036 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8037
8038         * config/i386/mm3dnow.h: New.
8039         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
8040
8041 2004-07-09  Richard Henderson  <rth@redhat.com>
8042
8043         * simplify-rtx.c (simplify_const_relational_operation): Only
8044         look at bounds of scalar integers.
8045
8046 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8047
8048         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
8049
8050 2004-07-09  Andrew Pinski  <apinski@apple.com>
8051
8052         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
8053         always referenced.
8054         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
8055         UOBJC_METACLASS_decl.
8056
8057 2004-07-09  James E Wilson  <wilson@specifixinc.com>
8058
8059         PR target/16364
8060         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
8061         do return a parallel if hfa_mode == XFmode and mode == TImode.
8062
8063 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8064
8065         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
8066         permissible for unary plus.
8067
8068 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8069
8070         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
8071         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
8072         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
8073         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
8074         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
8075         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
8076         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
8077         (BUILTIN_xxxIMAX): New.
8078         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
8079         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
8080         BUILT_IN_PARITYIMAX.
8081
8082 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8083
8084         * config/sparc/sparc.h (processor_costs): Define.
8085         (sparc_costs): Declare.
8086         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
8087         hypersparc_costs, sparclet_costs, ultrasparc_costs,
8088         ultrasparc3_costs): New.
8089         (sparc_override_options): Set sparc_costs as appropriate.
8090         (sparc_rtx_costs): Use sparc_costs instead of messy
8091         conditionals.
8092
8093 2004-07-09  Steven Bosscher  <stevenb@suse.de>
8094
8095         * doc/md.texi (Processor pipeline description): Mention that
8096         the old pipeline description is deprecated.
8097
8098         * config/rs6000/7450.md (automaton ppc7450): Split up, move
8099         mciu_7450 function unit to...
8100         (automaton ppc7450mciu): ...new automaton.
8101
8102         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
8103         (schedule_block): Don't consider inserting bubbles.
8104         (sched_init): Don't initialize DFA bubbles.
8105         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
8106         TARGET_SCHED_DFA_BUBBLE): Remove.
8107         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
8108         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
8109         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
8110
8111         * stmt.c (conditional_context): Remove prototype.
8112         * tree.h (conditional_context): Remove.
8113         * tree-cfg.c (pre_insert_on_edge): Remove.
8114
8115         * c-common.h (c_expand_asm_operands): Remove prototype.
8116         * c-typeck.c (c_expand_asm_operands): Remove.
8117
8118 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8119
8120         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
8121         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
8122         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
8123         and V8QI are class SSE. All sufficiently small remaining vector modes
8124         must be passed in one or two integer registers.
8125         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
8126         returned in memory.
8127         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
8128         __builtin_ia32_pmuludq128 have non-uniform argument and return types
8129         and must thus be handled explicitly.
8130         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
8131         MMX and XMM regs.
8132         (movv8qi_internal, movv4hi_internal, movv2si_internal,
8133         movv2sf_internal): Permit moving between MMX and XMM registers (since
8134         MMX areguments and return values are passed in XMM registers).
8135         (sse2_umulsidi3): Correct type and mode.
8136
8137 2004-07-09  Richard Henderson  <rth@redhat.com>
8138
8139         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
8140
8141 2004-07-09  Eric Christopher  <echristo@redhat.com>
8142
8143         * config/rs6000/40x.md: Split into two automatons.
8144
8145 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8146             Andrew Pinski  <apinski@apple.com>
8147
8148         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
8149         on when we have more than one input file.
8150         (c_common_parse_file): Restore loop over all input files.
8151         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
8152
8153         * c-decl.c (set_type_context): New function.
8154         (pop_scope): Use it to set context of types.  When we
8155         encounter a TYPE_DECL, set the context of the attached type too.
8156         (pop_file_scope): Don't call cpp_undef_all here.
8157         (diagnose_mismatched_decls): Do not complain about a second
8158         definition of an 'extern inline' function if it's not in the
8159         same translation unit.  Do not complain about inline
8160         declaration after use if the use was in a different
8161         translation unit.
8162         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
8163         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
8164         the external scope.
8165         (pushdecl_top_level): Likewise.
8166         (grokdeclarator): Clarify what is going on with setting
8167         DECL_EXTERNAL on function types, a little.
8168         (c_write_global_declarations): Don't do anything if
8169         -fsyntax-only or errors have been encountered.
8170
8171 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8172
8173         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
8174
8175 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8176
8177         PR target/16459
8178         * pa.c (output_indirect_call): Use %r2 as the link register when
8179         calling $$dyncall with a pc-relative branch.
8180
8181 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
8182
8183         * doc/install.texi (Binaries): Mention OpenPKG.
8184
8185 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
8186
8187         Fix PR tree-optimization/15555
8188         * tree-dfa.c (dump_variable): If the variable is a pointer
8189         SSA_NAME, also dump its points-to information.
8190         * tree-flow.h (struct ptr_info_def): Add field
8191         is_dereferenced.
8192         (dump_points_to_info_for): Declare.
8193         (debug_points_to_info_for): Declare.
8194         * tree-optimize.c (init_tree_optimization_passes): Add a
8195         second alias analysis pass after DOM2.
8196         Move pass_del_pta to a later spot.
8197         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
8198         create a name tags when we find a dereferenced pointer.  Just
8199         mark the pointer dereferenced.
8200         (collect_points_to_info_for): Move code to clear points-to
8201         information to create_name_tags.
8202         (create_name_tags): New function.
8203         (compute_flow_sensitive_aliasing): Call it.
8204         (setup_pointers_and_addressables): Mark type tags for renaming
8205         here instead of ...
8206         (create_memory_tag): ... here.
8207         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
8208         (dump_points_to_info_for): Declare extern.
8209         (debug_points_to_info_for): New function.
8210
8211 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
8212
8213         * config/arc/arc.md: Switch to DFA-based scheduler description.
8214         * config/arc/arc.c: Switch to DFA-based scheduler description.
8215
8216 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8217
8218         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
8219         pointer.
8220
8221 2004-07-09  Richard Henderson  <rth@redhat.com>
8222
8223         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
8224         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8225         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
8226         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8227
8228         * config/v850/v850-protos.h (v850_va_arg): Remove.
8229         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8230         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
8231         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
8232         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
8233         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
8234
8235 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8236
8237         PR target/12133
8238         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
8239         and DImode to use +/-4k offset.
8240
8241 2004-07-09  Richard Henderson  <rth@redhat.com>
8242
8243         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
8244         Remove.
8245         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8246         (xstormy16_gimplify_va_arg_expr): Rewrite from
8247         xstormy16_expand_builtin_va_arg.
8248         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
8249
8250         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
8251         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
8252
8253         * config/sh/sh-protos.h (sh_va_arg): Remove.
8254         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8255         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
8256         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
8257
8258         * config/pa/pa-protos.h (hppa_va_arg): Remove.
8259         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8260         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
8261         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8262
8263         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
8264         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8265         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
8266         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
8267
8268 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8269
8270         * config/sparc/sparc.md (return): Rewrite length formula.
8271         * config/sparc/sparc.c (output_return): Pass 1 as 5th
8272         argument to final_scan_insn when in a delay slot.
8273         (output_sibcall): Likewise.
8274
8275 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8276
8277         * arm.c (arm_cpp_interwork): New variable.
8278         (arm_override_options): Set it if TARGET_INTERWORK was on the command
8279         line.
8280         * arm.h (arm_cpp_interwork): Declare it.
8281         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
8282         __THUMB_INTERWORK__ in the preprocessor.
8283
8284 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
8285
8286         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
8287
8288 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8289
8290         PR target/16416
8291         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
8292         Override default settings to account for -m32 and -m64.
8293
8294 2004-07-08  Randolph Chung  <tausq@debian.org>
8295
8296         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
8297
8298 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
8299
8300         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
8301         before comparing it as such.
8302
8303 2004-07-08  Richard Henderson  <rth@redhat.com>
8304
8305         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
8306         temporary.  Use bit arithmetic to align.
8307
8308 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
8309
8310         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
8311         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
8312         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
8313         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
8314         add_labels_and_missing_jumps, find_jump_block,
8315         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8316         Likewise.
8317         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
8318         link_btr_uses, move_btr_def): Likewise.
8319         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
8320         expand_builtin_expect_jump): Likewise.
8321         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
8322         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8323         * cfganal.c (forwarder_block_p): Likewise.
8324         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
8325         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
8326         find_bb_boundaries): Likewise.
8327         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8328         merge_blocks_move_predecessor_nojumps,
8329         merge_blocks_move_successor_nojumps, insns_match_p,
8330         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8331         try_optimize_cfg): Likewise.
8332         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
8333         * cfglayout.c (skip_insns_after_block, label_for_bb,
8334         record_effective_endpoints, insn_locators_initialize,
8335         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
8336         * cfgmainloop.c (create_loop_notes): Likewise.
8337         * cfgrtl.c (delete_insn, delete_insn_chain,
8338         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
8339         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
8340         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
8341         redirect_branch_edge, force_nonfallthru_and_redirect,
8342         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
8343         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
8344         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
8345         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8346         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
8347         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
8348         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
8349         * combine.c (combine_instructions, can_combine_p, try_combine,
8350         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
8351         distribute_notes, distribute_links, insn_cuid): Likewise.
8352         * cse.c (fold_rtx, cse_insn, cse_around_loop,
8353         invalidate_skipped_block, cse_set_around_loop,
8354         cse_end_of_basic_block, cse_main, cse_basic_block,
8355         cse_condition_code_reg): Likewise.
8356         * cselib.c (cselib_process_insn): Likewise.
8357         * ddg.c (create_ddg): Likewise.
8358         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
8359         Likewise.
8360         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8361         gen_label_die, dwarf2out_var_location): Likewise.
8362         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
8363         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
8364         last_call_insn, active_insn_p, next_label, prev_label,
8365         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
8366         add_insn_before, remove_insn, add_function_usage_to,
8367         reorder_insns, find_line_note, remove_unnecessary_notes,
8368         emit_insn_after_1, classify_insn): Likewise.
8369         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
8370         connect_post_landing_pads, sjlj_mark_call_sites,
8371         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
8372         can_throw_internal, can_throw_external, set_nothrow_function_flags,
8373         convert_to_eh_region_ranges): Likewise.
8374         * explow.c (optimize_save_area_alloca): Likewise.
8375         * expr.c (expand_expr_real): Likewise.
8376         * final.c (insn_current_reference_address, compute_alignments,
8377         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
8378         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
8379         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
8380         propagate_block_delete_insn, propagate_one_insn,
8381         init_propagate_block_info, propagate_block, libcall_dead_p,
8382         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
8383         Likewise.
8384         * function.c (instantiate_virtual_regs, reorder_blocks_1,
8385         expand_function_start, expand_function_end, contains,
8386         thread_prologue_and_epilogue_insns,
8387         reposition_prologue_and_epilogue_notes): Likewise.
8388         * gcse.c (constprop_register, bypass_conditional_jumps,
8389         insert_insn_end_bb, gcse_after_reload): Likewise.
8390         * genemit.c (gen_expand, gen_split): Likewise.
8391         * genpeep.c (gen_peephole, main): Likewise.
8392         * global.c (build_insn_chain): Likewise.
8393         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
8394         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
8395         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
8396         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
8397         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
8398         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
8399         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
8400         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
8401         dead_or_predicable): Likewise.
8402         * integrate.c (try_constants): Likewise.
8403         * jump.c (rebuild_jump_labels, cleanup_barriers,
8404         purge_line_number_notes, init_label_info, mark_all_labels,
8405         squeeze_notes, get_label_before, get_label_after,
8406         reversed_comparison_code_parts, simplejump_p, pc_set,
8407         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
8408         delete_barrier, delete_prior_computation, delete_computation,
8409         delete_related_insns, delete_for_peephole, redirect_jump):
8410         Likewise.
8411         * lcm.c (optimize_mode_switching): Likewise.
8412         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
8413         Likewise.
8414         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
8415         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
8416         * loop-iv.c (simplify_using_assignment): Likewise.
8417         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
8418         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
8419         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
8420         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
8421         check_insn_for_givs, check_final_value, update_giv_derive,
8422         basic_induction_var, product_cheap_p, check_dbra_loop,
8423         loop_insn_first_p, last_use_this_basic_block,
8424         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
8425         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
8426         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
8427         sms_schedule_by_order): Likewise.
8428         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
8429         * postreload.c (reload_cse_simplify_operands, reload_combine,
8430         reload_cse_move2add): Likewise.
8431         * predict.c (can_predict_insn_p, estimate_probability,
8432         expected_value_to_br_prob, process_note_predictions): Likewise.
8433         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
8434         * profile.c (branch_prob): Likewise.
8435         * ra-build.c (live_out_1, livethrough_conflicts_bb,
8436         detect_webs_set_in_cond_jump): Likewise.
8437         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
8438         ra_print_rtl_with_bb): Likewise.
8439         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
8440         * recog.c (next_insn_tests_no_inequality, find_single_use,
8441         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
8442         * reg-stack.c (next_flags_user, record_label_references,
8443         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
8444         compensate_edge, convert_regs_1): Likewise.
8445         * regclass.c (scan_one_insn): Likewise.
8446         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
8447         regmove_optimize, fixup_match_1, single_set_for_csa,
8448         combine_stack_adjustments_for_block): Likewise.
8449         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
8450         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
8451         find_equiv_reg): Likewise.
8452         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
8453         reload_as_needed, emit_input_reload_insns, do_output_reload,
8454         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
8455         Likewise.
8456         * reorg.c (find_end_label, emit_delay_sequence,
8457         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
8458         get_jump_flags, rare_destination, mostly_true_jump,
8459         try_merge_delay_insns, redundant_insn, own_thread_p,
8460         fill_simple_delay_slots, fill_slots_from_thread,
8461         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
8462         dbr_schedule): Likewise.
8463         * resource.c (find_basic_block, next_insn_no_annul,
8464         find_dead_or_set_registers, mark_target_live_regs): Likewise.
8465         * rtl.h (RTX_PREV): Likewise.
8466         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
8467         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
8468         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
8469         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
8470         tablejump_p, computed_jump_p, insns_safe_to_move_p,
8471         find_first_parameter_load, can_hoist_insn_p): Likewise.
8472         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
8473         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
8474         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
8475         schedule_ebbs): Likewise.
8476         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
8477         is_conditionally_protected, can_schedule_ready_p,
8478         add_branch_dependences, debug_dependencies): Likewise.
8479         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
8480         Likewise.
8481         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
8482         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
8483         set_dominates_use, ujump_to_loop_cont): Likewise.
8484         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
8485         * varasm.c (output_constant_pool_1): Likewise.
8486
8487 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8488
8489         * tree-scalar-evolution.c: New file.
8490         * tree-scalar-evolution.h: New file.
8491         * tree-ssa-loop-niter.c: New file.
8492         * Makefile.in (SCEV_H): New.
8493         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
8494         * cfgloop.h (struct loop): Add bounds field.
8495         * tree-flow.h (struct tree_niter_desc): New type.
8496         (number_of_iterations_cond, number_of_iterations_exit,
8497         loop_niter_by_eval, find_loop_niter_by_eval,
8498         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
8499         free_numbers_of_iterations_estimates): Declare.
8500         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
8501         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
8502         * doc/invoke.texi (max-iterations-to-track): Document.
8503
8504 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
8505
8506         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
8507         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
8508         (MODE_AFTER): Add cast appropriately.
8509         * config/sh/sh.md (movdi splitter): Likewise.
8510         (casesi_worker_2): Add const qualifier appropriately.
8511         (eh_return): Remove unused variable.
8512         (insv): Initialize v;
8513
8514 2004-07-08  Richard Henderson  <rth@redhat.com>
8515
8516         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
8517         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8518         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
8519         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
8520         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
8521
8522         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
8523         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8524         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
8525         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
8526
8527         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
8528         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8529         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
8530         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
8531
8532         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
8533         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8534         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
8535         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
8536
8537         * config/i860/i860-protos.h (i860_va_arg): Remove.
8538         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8539         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
8540         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
8541
8542 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8543
8544         * system.h: Prototype getpagesize if missing.
8545         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
8546         * configure: Regenerate.
8547         * config.in: Regenerate.
8548
8549 2004-07-08  Richard Henderson  <rth@redhat.com>
8550
8551         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
8552         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8553         (fr30_gimplify_va_arg_expr): New.
8554         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
8555         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
8556
8557 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
8558
8559         PR target/16414
8560         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
8561         of asm_noperands result.
8562
8563 2004-07-08  Richard Henderson  <rth@redhat.com>
8564
8565         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
8566         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8567         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
8568         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
8569
8570 2004-07-08  Richard Henderson  <rth@redhat.com>
8571
8572         * builtins.c (ind_gimplify_va_arg_expr): New.
8573         * tree.h (ind_gimplify_va_arg_expr): Declare.
8574         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
8575
8576 2004-07-08  Jan Beulich  <jbeulich@novell.com>
8577
8578         * expmed.c (extract_bit_field): Correct condition to use vec_extract
8579         patterns also on vector elements other than the first one.
8580         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
8581         break statements.
8582
8583 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
8584
8585         * config/rs6000/darwin-ldouble.c: Correct reference
8586         to the Linnainmaa paper.
8587
8588 2004-07-08  Richard Henderson  <rth@redhat.com>
8589
8590         * config/arc/arc-protos.h (arc_va_arg): Remove.
8591         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8592         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
8593         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8594
8595         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
8596         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8597         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
8598         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
8599
8600 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8601
8602         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
8603
8604 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8605
8606         * c-decl.c (static_ctors, static_dtors): Make static.
8607         (pop_file_scope): Call c_common_write_pch and
8608         cgraph_finalize_compilation_unit here.
8609         (build_cdtor): Moved here from c-objc-common.c; simplify.
8610         (c_write_global_declarations_1): Clarify comment.
8611         (c_write_global_declarations): Close the external scope before
8612         doing anything else.  Call build_cdtor, cgraph_optimize, and
8613         mudflap_finish_file here.
8614         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
8615         Clarify comment.
8616         * c-objc-common.c: No need to include cgraph.h.
8617         (build_cdtor): Moved to c-decl.c.
8618         (c_objc_common_finish_file): Delete.
8619         * c-tree.h: Update to match.
8620         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
8621         (generate_static_references): Set TREE_USED before calling finish_decl.
8622         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
8623         on the static_instances_decl.
8624
8625 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8626
8627         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
8628         decls when there is only one input translation unit.
8629         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
8630         change of 2004-07-05; do not treat declarations with
8631         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
8632         * opts.c (cur_in_fname): Delete.
8633         * opts.h: Likewise.
8634         * tree.c: Revert changes of 2004-07-05; no special treatment
8635         for TRANSLATION_UNIT_DECLs.
8636         * Makefile.in (tree.o): Update dependencies.
8637
8638 2004-07-08  Roger Sayle  <roger@eyesopen.com>
8639
8640         * builtins.c (fold_builtin_strcpy): Merge functionality from
8641         simplify_builtin_strcpy.  Add additional len argument.  No longer
8642         static.  Remove function prototype.
8643         (fold_builtin_strncpy): Likewise integrate functionality from
8644         simplify_builtin_strncpy.  Add additional slen argument.  No
8645         longer static.  Remove function prototype.
8646         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
8647         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
8648         types of "ignore" and "unlocked" parameters to bool.
8649         (fold_builtin_1):  Add additional ignore argument.  Call renamed
8650         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
8651         builtins.  Update arguments to fold_builtin_strncpy and
8652         fold_builtin_strcpy.  Add function prototype.
8653         (fold_builtin): Add additional Boolean ignore argument to pass
8654         to fold_builtin_1.
8655         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
8656         and fold_builtin_strncpy instead of simplify_builtin_fputs,
8657         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
8658
8659         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
8660         simplify_builtin_strncpy): Delete function prototypes.
8661         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
8662         fold_builtin_strncpy): Add function prototypes here.
8663         (fold_builtin): Update function prototype with new "bool ignore".
8664
8665         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
8666         (ccp_fold_builtin):  Update call to fold_builtin.  Call
8667         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
8668         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
8669         simplify_builtin_strncpy respectively.
8670         * fold-const.c (fold): Update call to fold_builtin.
8671
8672 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8673
8674         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
8675         to strcpy.
8676
8677         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
8678         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
8679         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
8680         * calls.c: Remove ifdefs of macros above.
8681         * functions.c: Likewise.
8682         * expr.c: Likewise.
8683
8684 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8685
8686         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
8687         (arch attribute): Delete.
8688         (current_function_calls_alloca attribute): Rename into calls_alloca.
8689         (calls_eh_return): New attribute.
8690         (leaf_function): Likewise.
8691         (length attribute): Fix formula for sibcalls.
8692         (return insn): Correctly compute the 'length' attribute.
8693         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
8694
8695 2004-07-08  Richard Henderson  <rth@redhat.com>
8696
8697         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
8698         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
8699         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
8700         * tree-eh.c (lower_eh_constructs_1): Likewise.
8701         * tree-sra.c (sra_walk_modify_expr): Likewise.
8702         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
8703         (eliminate_unnecessary_stmts): Likewise.
8704         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8705         * tree-tailcall.c (optimize_tail_call): Likewise.
8706         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
8707
8708 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8709             Jakub Jelinek  <jakub@redhat.com>
8710
8711         * config/i386/i386.c (override_options): Enable
8712         SSE prefetches with -mtune, as long as we are
8713         compiling for i686 or higher.  All i686 processors
8714         accept SSE prefetches as NOPS, some i586's don't.
8715
8716 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8717
8718         PR target/10567
8719         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
8720
8721 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8722
8723         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
8724         the handling of clobbering ASM_EXPRs.
8725
8726 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8727
8728         PR target/16430
8729         * config/sparc/sparc.c (function_value): In 64-bit mode,
8730         return the aggregates larger than 16 bytes like unions.
8731
8732 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8733
8734         PR target/16199
8735         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
8736         'temp' is zero, generate new pseudos as needed and emit the
8737         sequence of insns in single-assignment form.  Resync comments
8738         with code.
8739         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
8740         function before reload.
8741
8742 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
8743
8744         * vec.c (vec_assert_fail): Remove duplicate 'function'.
8745
8746         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
8747
8748         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
8749         Allocation is signed.
8750         (VEC_reserve): Return flag, allocation is signed.
8751
8752 2004-07-08  Richard Henderson  <rth@redhat.com>
8753
8754         * tree-ssa-ccp.c (fold_stmt): Get type directly from
8755         OBJ_TYPE_REF_OBJECT.
8756
8757 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
8758             Neil Booth  <neil@daikokuya.co.uk>
8759
8760         PR c/2511
8761         PR c/3325
8762         * c-decl.c (finish_struct): Ensure bit-fields are given the
8763         correct type.
8764         * c-common.c (c_common_signed_or_unsigned_type): For C, require
8765         the precision to match as well as the mode.
8766         * expr.c (reduce_to_bit_field_precision): New function.
8767         (expand_expr_real_1): Reduce expressions of bit-field type to
8768         proper precision.
8769         * langhooks.h (reduce_bit_field_operations): New hook.
8770         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8771         Define.
8772         * c-lang.c, objc/objc-lang.c
8773         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
8774         * objc/objc-act.c (check_ivars): Convert types to bit-field types
8775         before checking.
8776         * tree.c (build_nonstandard_integer_type): New function.
8777         * tree.h (build_nonstandard_integer_type): New prototype.
8778         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
8779         conversions between integer and boolean types as useless.
8780
8781 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8782
8783         * c-common.c (c_common_nodes_and_builtins): Do not
8784         create __builtin_ptrdiff_t and __builtin_size_t.
8785
8786 2004-07-08  Andrew Pinski  <apinski@apple.com>
8787
8788         * Makefile.in (libbackend.o): Add -combine to the gcc
8789         command line.
8790
8791 2004-07-08  Nick Clifton  <nickc@redhat.com>
8792
8793         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
8794         Set to -Os.
8795
8796 2004-07-08  Richard Henderson  <rth@redhat.com>
8797
8798         * except.c (expand_eh_region_start, expand_eh_region_end,
8799         expand_eh_handler, expand_eh_region_end_cleanup,
8800         expand_start_all_catch, expand_start_catch, expand_end_catch,
8801         expand_end_all_catch, expand_eh_region_end_allowed,
8802         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
8803         expand_eh_region_end_fixup): Remove.
8804         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
8805         cleanups, outer_cleanups, label_chain, exception_region.
8806         (struct goto_fixup): Remove stack_level, cleanup_list_list.
8807         (struct label_chain): Remove.
8808         (struct stmt_status): Remove x_stack_block_stack.
8809         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
8810         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
8811         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
8812         end_cleanup_deferral, last_cleanup_this_contour,
8813         containing_blocks_have_cleanups_or_stack_level,
8814         any_pending_cleanups): Remove.
8815         (expand_null_return_1): Take no arguments.
8816         (expand_label, expand_naked_return, expand_return,
8817         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
8818         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
8819         expand_end_case_type): Don't use any of them.
8820         * calls.c (expand_call): Likewise.
8821         * dojump.c (do_jump): Likewise.
8822         * function.c (expand_function_end): Likewise.
8823         * expr.c (store_expr, expand_expr_real_1): Likewise.
8824         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
8825         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
8826         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
8827         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
8828         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
8829         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
8830         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
8831         for WITH_CLEANUP_EXPR.
8832         (gimple_push_cleanup): Likewise.
8833         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
8834         * print-tree.c (print_node): Likewise.
8835         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
8836         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
8837         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
8838         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
8839         (GOTO_SUBROUTINE_EXPR): Remove.
8840         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
8841         (DECL_TOO_LATE): Remove.
8842         * except.h, tree.h: Update decls.
8843
8844 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8845
8846         * explow.c (optimize_save_area_alloca): Do not accept parameters.
8847         * passes.c (rest_of_handle_final): Handle symout.
8848         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
8849         Push timevar here.
8850         (rest_of_handle_sched): Break out SMS.  Remove ifs for
8851         flag_schedule_insns and flag_modulo_sched.
8852         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
8853         collect at the end.
8854         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
8855         (rest_of_handle_partition_blocks, rest_of_handle_sms,
8856         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
8857         rest_of_handle_mode_switching, rest_of_handle_jump,
8858         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
8859         rest_of_handle_jump2, rest_of_handle_postreload,
8860         rest_of_handle_flow2, rest_of_clean_state,
8861         rest_of_handle_shorten_branches,
8862         rest_of_handle_prologue_epilogue,
8863         rest_of_handle_branch_target_load_optimize): New.
8864         (rest_of_compilation): Call the above.  Remove ggc_collect
8865         calls moved to rest_of_handle_*.
8866         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
8867
8868         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
8869         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
8870         * except.h (set_nothrow_function_flags): Update comment.
8871         * function.c (current_function_nothrow): Remove.
8872         * output.h (current_function_nothrow): Remove.
8873         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
8874         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
8875
8876 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8877
8878         PR bootstrap/16326
8879         * reorg.c: Revert 2004-06-30 change.
8880         (find_end_label): If HAVE_epilogue and !HAVE_return,
8881         return 0 instead of creating a label at the end of the insn chain.
8882         (optimize_skip): Account for the failure mode of find_end_label.
8883         (fill_simple_delay_slots): Likewise.
8884         (fill_slots_from_thread): Likewise.
8885         (relax_delay_slots): Likewise.
8886
8887 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8888
8889         * tree-flow.h (addressable_vars): Declare.
8890         * tree-ssa-alias.c (addressable_vars): Define.
8891         (setup_pointers_and_addressables): Add addressable variables
8892         to addressable_vars.
8893         * tree-ssa-operands.c (get_stmt_operands): Move
8894         handling of ASM_EXPRs ...
8895         (get_asm_expr_operands): ... here.
8896         When the ASM_EXPR clobbers memory, also clobber addressable
8897         variables.
8898         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
8899         (delete_tree_ssa): Reset addressable_vars.
8900
8901 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8902             Richard Henderson  <rth@redhat.com>
8903
8904         * varasm.c (assemble_variable): Use assemble_zeros for
8905         zero-initialized variables.
8906         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
8907         for SECCAT_BSS and SECCAT_TBSS.
8908
8909 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8910
8911         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
8912
8913         * expmed.c (emit_store_flag): Also special-case double-word
8914         (in-)equality comparison against -1.
8915
8916         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
8917         passing arguments the containers for which are registers.
8918
8919         * calls.c (emit_library_call_value_1): Use mode of function parameter
8920         rather than that of argument since constants have none.
8921
8922 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8923
8924         Introduce H8SX support.
8925         * expr.c (expand_strcpy): Renamed and moved to...
8926         * builtins.c (expand_movstr): ... here.  Tweak.
8927         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
8928         computed or has side effects.
8929         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
8930         unused, or if mempcpy fails.  Adjust the return value in the
8931         latter case.  Use movstr if everything else fails.
8932         * doc/md.texi (movstr): Document.
8933         (movmemM, clrmemM): Fix explanation of memory block operands.
8934         * config/h8300/h8300.md (stpcpy): Renamed to...
8935         (movstr): ... this.  Adjust.
8936         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8937         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
8938         movmem* and clrstr* to clrmem*.
8939         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
8940         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
8941         GENERAL_REGS, always.
8942         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
8943         getting the stack pointer as addr.
8944         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
8945         from general_operand_dst.
8946         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
8947         variant of...
8948         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
8949         instead of requiring it to match only before reload.
8950         (stpcpy_internal_normal): New, normal-mode variant of...
8951         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
8952         `D' instead of requiring it to match only before reload.
8953         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
8954         mode argument.
8955         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
8956         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
8957         h8300_get_index.
8958         * config/h8300/h8300.md (attr type): Add call.
8959         (attr can_delay): If type is call, set it no.
8960         (call, call_value): Set type to call.
8961         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
8962         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
8963         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
8964         * tree.c (get_narrower): Don't narrow integral types into
8965         non-integral types.
8966         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
8967         frame_size *before* the first use.
8968         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
8969         on input.
8970         (peephole2): Don't widen instructions that push SP.  Move
8971         decrement of SP to the end of all stm-generating peepholes.
8972         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
8973         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
8974         and OR to set it to all ones.
8975         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
8976         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
8977         (call, call_value): Set can_delay to "no".
8978         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
8979         * config/h8300/h8300.md (extzv): Make subreg check more robust.
8980         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8981         * config/h8300/h8300.md (*brabit): Remove.
8982         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
8983         zero_extract.  Use bit_memory_operand as the predicate for
8984         operand 1 and 'WU' as the constraint.  Check the difference
8985         between the base length and the final one when deciding which
8986         type of branch to use.
8987         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8988         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
8989         Use convert_move to extend the result for TARGET_H8300SX.  Check
8990         for QImode memory references.  Optimize the case where the
8991         destination is a paradoxical subreg.
8992         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8993         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
8994         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
8995         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8996         * config/h8300/h8300.md: Include mova.md
8997         (length_table): Add mova and mova_zero.
8998         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
8999         after all constant addresses for '%R', '%X', '%T' and '%S'.
9000         (h8300_mova_length): New function.
9001         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
9002         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
9003         dependencies for s-config, etc.
9004         * config/h8300/gemova.sh: New file.
9005         * config/h8300/mova.md: Generated.
9006         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
9007         * config/h8300/h8300.c (h8300_bitfield_length): New.
9008         (nibble_operand): Adjust.
9009         (h8300_binary_length): Handle conditional binary op.
9010         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
9011         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
9012         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
9013         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
9014         constraints.  WU is introduced as a variant of U that requires a
9015         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
9016         * config/h8300/h8300.md (attr type): Added bitbranch.
9017         (attr length_table): Added bitfield and bitbranch.
9018         (attr length): Compute bitbranch length.
9019         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
9020         least-significant bit of a byte.
9021         (brabit, brabc, brabs): New.
9022         (insv, extzv): Emit bfst and bfld on H8300SX.
9023         (bfld, bfst, seq, sne): New.
9024         (bstzhireg, cmpstz, bstz, bistz): New.
9025         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
9026         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
9027         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
9028         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
9029         (h8sx_unary_memory_operator): New function.
9030         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
9031         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
9032         * config/h8300/h8300.md: Add peepholes to combine reloads and
9033         arithmetic insns.
9034         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9035         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
9036         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
9037         (and?i, ior?i, xor?i): Likewise.
9038         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9039         * config/h8300/h8300.c: Move enums and prototypes to head of file.
9040         Various whitespace fixes.
9041         (h8300_constant_length): New function, split out from...
9042         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
9043         (h8300_classify_operand): Use IN_RANGE.
9044         (h8300_classify_operand): Use h8300_constant_length.
9045         (h8300_short_move_mem_p): Tighten size check.
9046         (h8sx_mergeable_memrefs_p): Tighten equality check.
9047         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
9048         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
9049         for -msx.
9050         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
9051         * config/h8300/crtn.asm: Likewise.
9052         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
9053         if __H8300SX__ is defined.
9054         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
9055         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
9056         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
9057         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
9058         addresses as mode-dependent.
9059         * config/h8300/h8300.c (print_operand_address): Update call to
9060         h8300_get_index.
9061         (h8300_get_index): Take a mode argument.  Rework to fix an
9062         earlier misunderstanding.
9063         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
9064         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
9065         into a register if TARGET_H8300SX.
9066         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
9067         TARGET_H8300SX.  Also disable related define_splits.
9068         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
9069         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
9070         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
9071         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9072         * config/h8300/h8300.h (OK_FOR_Z): New macro.
9073         (EXTRA_CONSTRAINT_STR): Check it.
9074         * config/h8300/h8300.c (h8300_classify_operand): Accept null
9075         class arguments.
9076         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
9077         * config/h8300/h8300.md (length_table): Add mov_imm4.
9078         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
9079         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9080         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
9081         be a label.
9082         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
9083         * config/h8300/h8300.c (h8300_reorg): New function.
9084         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9085         * config/h8300/h8300.md (length): Subtract the length of the
9086         delay slot from (pc) when checking the range of forward branches.
9087         (delay_slot, can_delay): New attributes.
9088         (define_delay): Add bra/s handling.
9089         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
9090         (jump): Add delayed-branch handling.
9091         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
9092         * expr.c (expand_strcpy): New function.
9093         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
9094         (expand_builtin_stpcpy): Likewise.
9095         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
9096         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
9097         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
9098         handling to improve register allocation for -fno-omit-frame-pointer.
9099         (h8sx_split_movmd): Delete, moving er6 handling into...
9100         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
9101         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
9102         (movmd): Add calls to copy_rtx.
9103         (movmd_internal): In the second alternative, allow the initial and
9104         final destination registers to be different .  Update the splitter
9105         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
9106         instead of h8sx_split_movmd.
9107         (stpcpy, movsd): New expanders.
9108         (movsd_internal): New define_insn.
9109         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
9110         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
9111         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
9112         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
9113         and DESTINATION_REGS.
9114         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
9115         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
9116         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
9117         (h8300_move_ratio): Declare.
9118         (MOVE_RATIO): Use it.
9119         * config/h8300/h8300.c (h8300_move_ratio): New variable.
9120         (h8300_init_once): Initialize it.
9121         (h8300_reg_class_from_letter): New function.
9122         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
9123         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
9124         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
9125         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
9126         (movstrsi, movmd): New expanders.
9127         (movmd_internal): New insn.
9128         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
9129         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
9130         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
9131         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
9132         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
9133         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9134         * config/h8300/h8300.c (nibble_operand): Fix warning.
9135         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
9136         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
9137         (movsf_h8300h): Disable for TARGET_H8300SX.
9138         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9139         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
9140         h8300_stm_parallel and h8300_return_parallel.
9141         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
9142         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
9143         h8300_stm_parallel, h8300_return_parallel): New functions.
9144         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
9145         if TARGET_H8300SX.  Use h8300_push_pop.
9146         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
9147         and final pop when generating h8sx code.  Always emit some form
9148         of return insn.
9149         * config/h8300/h8300.md: Don't enforce register alignment in
9150         stm peepholes if TARGET_H8300SX.
9151         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
9152         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
9153         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
9154         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9155         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
9156         (MULTILIB_DIRNAMES): Add a directory for it.
9157         (MULTILIB_MATCHES): Delete.
9158         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9159         * final.c (walk_alter_subreg): Handle addresses with subregs
9160         inside a ZERO_EXTEND or AND.
9161         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
9162         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
9163         if TARGET_H8300SX.
9164         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
9165         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
9166         @(dd,Rn.w) and @(dd,ERn.L).
9167         (h8300_displacement_size): Take the whole address as argument.
9168         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
9169         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9170         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
9171         (h8sx_mergeable_memrefs_p): Declare.
9172         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
9173         (HAVE_PRE_INCREMENT): Likewise.
9174         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
9175         addresses for TARGET_H8300SX,
9176         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
9177         and POST_DEC.
9178         (movb_length_table, movl_length_table): New tables.
9179         (movw_length_table): Define to movb_length_table.
9180         (h8300_displacement_size): New, split out from...
9181         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
9182         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
9183         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
9184         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
9185         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
9186         (compute_plussi_length, compute_plussi_cc): Update accordingly.
9187         (h8sx_unary_shift_operator): Get the mode from the operator.
9188         (binary_shift_operator): Likewise.
9189         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
9190         a memory reference, check whether the reference is offsettable.
9191         (length_table): Add movb, movw and movl.
9192         (movqi): Add new h8sx pattern.  Don't force one operand to be a
9193         register when generating h8sx code.
9194         (movhi, movsi, movsf): Likewise.
9195         (movstrictqi): Use the length_table attribute.
9196         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
9197         (addqi3): Split into a define_expand and define_insn.  Don't accept
9198         memory operands in the expander.  Use h8300_operands_match_p to
9199         check for matching operands in the define_insn.
9200         (subqi3, negqi2, one_cmplqi2): Likewise.
9201         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
9202         in any patterns that are unused in h8sx code.  In the h8sx patterns,
9203         use h8300_operands_match_p to check whether operands match.
9204         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
9205         one_cmpl[hs]i3): Likewise.
9206         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
9207         in the expander.
9208         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
9209         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
9210         (h8300_insn_length_from_table): Add a second parameter.
9211         (output_h8sx_shift): Declare.
9212         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
9213         (EXTRA_CONSTRAINT): Replace with...
9214         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
9215         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
9216         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
9217         and h8sx_binary_shift_operator.
9218         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
9219         for TARGET_H8300SX.
9220         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
9221         (bit_memory_operand, fix_bit_operand): Likewise.
9222         (h8300_length_table_for_insn): Remove.
9223         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
9224         instructions.
9225         (h8300_short_immediate_length, h8300_binary_length): New functions.
9226         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
9227         (output_plussi): Use sub to add negative constants.
9228         (compute_plussi_length): Adjust accordingly.
9229         (h8sx_single_shift_type): New enum.
9230         (h8sx_single_shift, h8sx_unary_shift_operator,
9231         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
9232         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
9233         single h8sx instruction.  Return false in this case.
9234         * config/h8300/h8300.md (length_table): Add short_immediate.
9235         (length): Pass the operand array to h8300_insn_length_from_table.
9236         (adjust_length): Assume "no" for insns with a length_table attribute.
9237         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
9238         (*addhi3_h8300hs): Don't use for h8sx.
9239         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
9240         and sub.w #xx:3.
9241         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
9242         1's predicate to nonimmediate_operand.  Only skip default expansion
9243         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
9244         for single h8sx shift instructions.
9245         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
9246         * config/h8300/h8300.c (nibble_operand): Split out of...
9247         (reg_or_nibble_operand): ... this.
9248         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
9249         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
9250         umulhisi3): Introduce expand, and introduce separate insns for
9251         sign- or zero-extended REG and already-extended CONST_INT.
9252         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
9253         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
9254         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
9255         (subhi3): Likewise.  Don't accept immediates for operand 1.
9256         Remove the early clobber from second alternative of the h8300s pattern.
9257         (subsi3): Generalize for h8sx.  Force operand 2 into a register
9258         on plain h8300 targets.
9259         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
9260         (subsi3_h8300h): Generalize for h8sx.
9261         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
9262         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
9263         * config/h8300/h8300.c (reg_or_nibble_operand): New.
9264         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9265         (TARGET_H8300SXMUL): New.
9266         (CONST_OK_FOR_P): New.
9267         (CONST_OK_FOR_LETTER_P): Adjust.
9268         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
9269         umulhisi3): Accept 4-bit immediate on H8SX.
9270         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
9271         (udivsi3, divhi3, udivsi3, divsi3): New.
9272         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
9273         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
9274         * config/h8300/h8300.h (OK_FOR_Q): New macro.
9275         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
9276         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
9277         Add ADDRESSOF to the bit_operand entry.
9278         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
9279         (h8300_src_operand): Likewise.
9280         (bit_operand): Check nonimmediate_operand rather than general_operand.
9281         Accept any nonimmediate_operand in h8sx code.
9282         (h8300_and_costs): Initialize operands[1].
9283         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
9284         (h8300_operand_class): New enum.
9285         (h8300_length_table): New typedef.
9286         (addb_length_table, addw_length_table, addl_length_table,
9287         logicl_length_table): New tables.
9288         (logicb_length_table, logicw_length_table): New macros.
9289         (h8300_classify_operand, h8300_length_from_table,
9290         h8300_length_table_for_insn, h8300_unary_length,
9291         h8300_insn_length_from_table): New functions.
9292         (output_plussi): Only use adds and subs for register destinations.
9293         Disable redundant clause.
9294         (compute_plussi_cc): Likewise.
9295         (compute_plussi_length): Likewise.  Use h8300_length_from_table
9296         to work out the length of an insn.
9297         (output_logical_op): Only use narrower immediate instructions
9298         if the destination is a register.
9299         (compute_logical_op_cc): Likewise.
9300         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
9301         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
9302         * config/h8300/h8300.md (length_table): New attribute.
9303         (length): When an instruction has a length_table attribute, use
9304         h8300_insn_length_from_table to calculate its default length.
9305         (cmpqi): Use h8300_dst_operand for the first operand and
9306         h8300_src_operand for the second.
9307         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
9308         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
9309         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
9310         iorsi3, xorhi3, xorsi3): Likewise.
9311         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
9312         so that it allows any combination of operands for TARGET_H8300SX.
9313         (iorqi3, xorqi3): Likewise.
9314         (cmpqi): Use the length_table attribute.
9315         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
9316         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9317         (cmpqi): Add 'Q' constraint.
9318         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
9319         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9320         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
9321         * config/h8300/h8300.h (MASK_H8300SX): New macro.
9322         (TARGET_H8300S): True for both -ms and -msx.
9323         (TARGET_H8300SX): New macro.
9324         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
9325         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
9326         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
9327         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
9328         [Temporary change.]
9329         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
9330         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
9331         16-bit pointers and 32-bit ints.
9332         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
9333         CONST_DOUBLE with mode no wider than SImode.
9334         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
9335         output operand.
9336         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
9337         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
9338         or SUBREG thereof.
9339         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9340         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
9341         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
9342
9343 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9344
9345         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
9346
9347 2004-07-07  Per Bothner  <per@bothner.com>
9348
9349         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
9350
9351 2004-07-07  Mike Stump  <mrs@apple.com>
9352
9353         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
9354         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
9355         (machopic_finish): Likewise.
9356
9357 2004-07-07  Richard Henderson  <rth@redhat.com>
9358
9359         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
9360         through any value-preserving cast.
9361
9362 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9363
9364         * function.c (assign_parm_find_data_types): Call
9365         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
9366
9367 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9368
9369         * tree-cfg.c (group_case_labels): Remove case labels that have
9370         the same target as the default case.
9371
9372 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9373
9374         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
9375         regardless of DECL_LANG_SPECIFIC being present or not.
9376         * tree.h (DECL_NUM_STMTS): Purge.
9377
9378 2004-07-07  Andrew Pinski  <apinski@apple.com>
9379
9380         * configure: Regenerate with the right autoconf.
9381
9382 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
9383
9384         * ifcvt.c (total_bb_rtx_cost): New function.
9385         (find_if_case_1): Compare rtx_cost of basic block to cost of
9386         BRANCH_COST insns.
9387         (find_if_case_2): Same.
9388
9389 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9390
9391         PR target/10567
9392         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
9393         (output_return): Likewise.
9394         (output_sibcall): Abort if !flag_delayed_branch.
9395         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
9396         (emit_and_preserve): New function.
9397         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
9398         indirect jump to the thunked-to function if !flag_delayed_branch.
9399         * config/sparc/sparc.md (delayed_branch): New attribute.
9400         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
9401         attribute to compute the length of the insn.
9402         (goto_handler_and_restore): Likewise.
9403
9404 2004-07-07  Andrew Pinski  <apinski@apple.com>
9405
9406         PR tree-optimization/15777
9407         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
9408
9409         * expr.c (expand_expr_real_1): Fix formating.
9410         BUFFER_REF and IN_EXPR are dead.
9411         * fold-const.c (non_lvalue): BUFFER_REF is dead.
9412         * tree-inline.c (estimate_num_insns_1): Likewise.
9413         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
9414         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
9415         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
9416
9417 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
9418
9419         * collect2.c (dump_file): Don't call cplus_demangle if
9420         HAVE_LD_DEMANGLE is defined.
9421         (main): Pass "--demangle" to ld if no_demangle is not 0 and
9422         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
9423         if HAVE_LD_DEMANGLE is defined.
9424
9425         * configure.ac (--with-demangler-in-ld): Added
9426         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
9427         --with-demangler-in-ld is used.
9428         * config.in: Regenerated.
9429         * configure: Likewise.
9430
9431 2004-07-07  Roger Sayle  <roger@eyesopen.com>
9432
9433         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
9434         for simple floating point operations "fp", double precision
9435         multiplication "dmul", and single and double precision division
9436         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
9437         (ppc630_cost): New table split from ppc620_cost, to distinguish
9438         differences in floating point latencies.
9439         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
9440         (rs6000_rtx_costs): Add support for single and double precision
9441         floating point addition, subtraction, multiplication, division,
9442         fused-multiply-add, fused-multiply-sub, negation, absolute value
9443         and negative absolute value.  Tweak MEM case to use prefered idiom.
9444
9445 2004-07-07  Richard Henderson  <rth@redhat.com>
9446
9447         * tree-flow-inline.h (may_propagate_copy): Move...
9448         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
9449         attempt to copy between types requiring conversion.
9450         * tree-flow.h (may_propagate_copy): Update decl.
9451         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
9452
9453 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
9454
9455         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
9456         from -mtune= option.
9457
9458 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9459
9460         * builtins.c: Rename movstr*, except for movstrict*, to
9461         movmem* and clrstr* to clrmem*.
9462         * expr.c: Likewise.
9463         * expr.h: Likewise.
9464         * genopinit.c: Likewise.
9465         * integrate.c: Likewise.
9466         * local-alloc.c: Likewise.
9467         * optabs.c: Likewise.
9468         * optabs.h: Likewise.
9469         * config/alpha/alpha.h: Likewise.
9470         * config/alpha/alpha.md: Likewise.
9471         * config/arm/arm-protos.h: Likewise.
9472         * config/arm/arm.c: Likewise.
9473         * config/arm/arm.md: Likewise.
9474         * config/avr/avr.md: Likewise.
9475         * config/c4x/c4x.c: Likewise.
9476         * config/c4x/c4x.md: Likewise.
9477         * config/frv/frv.md: Likewise.
9478         * config/i386/i386-protos.h: Likewise.
9479         * config/i386/i386.c: Likewise.
9480         * config/i386/i386.h: Likewise.
9481         * config/i386/i386.md: Likewise.
9482         * config/i860/i860.c: Likewise.
9483         * config/i860/i860.md: Likewise.
9484         * config/ip2k/ip2k.md: Likewise.
9485         * config/ip2k/libgcc.S: Likewise.
9486         * config/ip2k/t-ip2k: Likewise.
9487         * config/m32r/m32r.c: Likewise.
9488         * config/m32r/m32r.md: Likewise.
9489         * config/mcore/mcore.md: Likewise.
9490         * config/mips/mips.c: Likewise.
9491         * config/mips/mips.md: Likewise.
9492         * config/ns32k/ns32k.c: Likewise.
9493         * config/ns32k/ns32k.h: Likewise.
9494         * config/ns32k/ns32k.md: Likewise.
9495         * config/pa/pa.c: Likewise.
9496         * config/pa/pa.md: Likewise.
9497         * config/pdp11/pdp11.h: Likewise.
9498         * config/pdp11/pdp11.md: Likewise.
9499         * config/rs6000/rs6000.c: Likewise.
9500         * config/rs6000/rs6000.md: Likewise.
9501         * config/s390/s390-protos.h: Likewise.
9502         * config/s390/s390.c: Likewise.
9503         * config/s390/s390.md: Likewise.
9504         * config/sh/lib1funcs.asm: Likewise.
9505         * config/sh/sh.c: Likewise.
9506         * config/sh/sh.md: Likewise.
9507         * config/sh/t-sh: Likewise.
9508         * config/sparc/sparc.h: Likewise.
9509         * config/vax/vax.md: Likewise.
9510         * config/xtensa/xtensa.c: Likewise.
9511         * config/xtensa/xtensa.md: Likewise.
9512         * doc/invoke.texi: Likewise.
9513         * doc/md.texi: Likewise.
9514         * doc/rtl.texi: Likewise.
9515
9516 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
9517
9518         PR target/16407
9519         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
9520         * config/mips/mips.c (mips_declare_common_object): New function,
9521         mostly split out from...
9522         (mips_output_aligned_decl_common): ...here.
9523         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
9524         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
9525         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
9526         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
9527
9528 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9529
9530         PR c/16392
9531         * function.c (assign_parms): Fix typo from previous change.
9532
9533 2004-07-07  Jason Merrill  <jason@redhat.com>
9534
9535         PR c++/15815
9536         * doc/extend.texi (C++ Interface): Correct information and
9537         discourage use.
9538
9539 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
9540
9541         PR target/16130
9542         PR target/16142
9543         PR target/16143
9544         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
9545         insn.
9546
9547 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9548
9549         PR target/1679.
9550         * config/m32r/m32r.c (m32r_function_symbol): New function:
9551         Generate a symbol name RTX with the correct m32r specific flags
9552         set.
9553         (block_move_call): Use new function to generate correct symbol.
9554         * config/m32r/m32r-protos.h: Add prototype for new funcion.
9555         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
9556         function.
9557
9558 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9559
9560         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
9561         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
9562         TYPE_BINFO_BASETYPE): Remove.
9563         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
9564         to ...
9565         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
9566         here.
9567         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
9568         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
9569         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
9570         (struct tree_binfo): Rename base_types to base_binfos.
9571         * alias.c (record_component_aliases): Adjust BINFO macros.
9572         * dbxout.c (dbxout_type): Likewise.
9573         * dwarf2out.c (gen_member_die): Likewise.
9574         * sdbout.c (sdbout_one_type): Likewise.
9575         * tree-dump.c (deque_and_dump): Likewise.
9576         * config/i386/i386.c (classify_argument,
9577         contains_128bit_aligned_vector_p): Likewise.
9578
9579 2004-07-07  Nick Clifton  <nickc@redhat.com>
9580
9581         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
9582         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
9583
9584 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9585
9586         * vec.h: Fix the example use.
9587
9588 2004-07-06  Richard Henderson  <rth@redhat.com>
9589
9590         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
9591         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
9592         * tree-inline.c (copy_body_r, setup_one_parameter,
9593         initialize_inlined_parameters, expand_call_inline,
9594         declare_inline_vars): Don't check it.
9595         (expand_calls_inline): Remove old version, rename new version
9596         from gimple_expand_calls_inline.
9597         * tree-optimize.c (execute_gimple): Remove.
9598         (pass_gimple): Don't run anything.
9599
9600 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9601
9602         * doc/sourcebuild.texi: Use semicolons instead of commas in
9603         section title.
9604
9605 2004-07-06  Richard Henderson  <rth@redhat.com>
9606
9607         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
9608         (sra_walk_modify_expr, scan_init): Likewise.
9609         (generate_element_zero): Check visited before scanning children.
9610         (generate_element_init): Set visited on error.
9611         (scalarize_init): Handle generate_element_init failure similar
9612         to use_block_copy.
9613
9614 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9615
9616         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
9617         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
9618
9619 2004-07-06  Richard Henderson  <rth@redhat.com>
9620
9621         * config/i386/i386.c (legitimize_pic_address): Make static.
9622         (legitimize_address): Handle CONST with TLS operand.
9623         (ix86_expand_move): Don't call legitimize_pic_address directly.
9624         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
9625
9626 2004-07-06  Roger Sayle  <roger@eyesopen.com>
9627
9628         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
9629         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
9630         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
9631         is currently executed unconditionally, i.e. not in "else_bb".
9632
9633 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9634
9635         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
9636         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9637         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
9638         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9639         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
9640         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9641         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
9642         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9643         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
9644         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9645         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
9646         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9647         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
9648         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9649         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
9650         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9651
9652 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9653
9654         * dojump.c (do_jump): REFERENCE_EXPR is dead.
9655         * expr.c (expand_expr_real_1): Ditto.
9656         * tree-inline.c (estimate_num_insns_1): Ditto.
9657         * tree-pretty-print.c (dump_generic_node): Ditto.
9658         (op_symbol): Ditto.
9659         * tree.def: Ditto.
9660
9661 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9662
9663         * tree-ssa-pre.c (reference_node_pool): New pool.
9664         (find_or_generate_expression): Class 'r' is okay too.
9665         (create_value_expr_from): Ditto.
9666         (add_to_sets): LHS should not include vuses.
9667         (eliminate): Ditto.
9668         (compute_avail): Reverse ordering of tests.
9669         Valuize INDIRECT_REF as well.
9670
9671 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
9672
9673         PR rtl-optimization/16380
9674         * loop.c (check_dbra_loop): Sink comparison instructions if they
9675         do something other than set cc0.
9676
9677 2004-07-06  James E Wilson  <wilson@specifixinc.com>
9678
9679         * doc/interface.texi (longjmp and automatic variables): Delete
9680         paragraph recommending taking the address of a variable.
9681
9682 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9683
9684         * vec.h (VEC_embedded_alloc): Remove.
9685         (VEC_embedded_size, VEC_embedded_init): New.
9686         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
9687         MEM_STAT_INFO.
9688         (VEC_truncate): New.
9689         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
9690         (vec_embedded_alloc): Remove.
9691         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
9692         (vec_embedded_alloc): Remove.
9693
9694 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
9695
9696         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
9697         (gt-langhooks.h): Remove.
9698
9699 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
9700
9701         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
9702
9703 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
9704
9705         * config/sparc/sparc.c (get_pc_symbol): Rename into
9706         add_pc_to_pic_symbol.
9707         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
9708         (load_pic_register): Account for previous changes.
9709         Use reg_names.  Don't create the label twice.
9710         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
9711         UNSPEC_LOAD_PCREL_SYM.
9712         (get_pc): Rename into load_pcrel_sym.  Add predicate to
9713         operands.  Remove condition.
9714
9715 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9716
9717         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
9718         RECORD, UNION & QUAL_UNION is actually a binfo.
9719
9720         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
9721         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
9722         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
9723         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
9724         * dwarf2out.c (add_data_member_location_attribute): Likewise.
9725         (gen_inheritance_die): Likewise.
9726         * tree-dump.c (deque_and_dump): Likewise.
9727         * doc/c-tree.texi (Binfos): Add under reconstruction note.
9728
9729 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9730
9731         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
9732         Define.
9733         * config/mcore/mcore.md: Model memory latency with a simple DFA
9734         pipeline description instead of a define_function_unit.
9735
9736 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9737
9738         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
9739         * langhooks.h (var_mod_type_p): Likewise.
9740         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
9741         * expr.c (count_type_elements): Properly handle return from
9742         array_type_nelts and properly test for overflow.
9743         * gimplify.c (gimplify_init_constructor): Properly handle return
9744         from array_type_nelts.
9745         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
9746         * integrate.c (copy_decl_for_inlining): Correct comments.
9747         * tree-inline.c (remap_decl): Update comments, remove dead code,
9748         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
9749         (remap_type): Only remap if variably modified by vars in function
9750         being inlined.
9751         (copy_body_r): Use compatible_type langhooks to see when can fold.
9752         (setup_one_parameter): Don't remap type.
9753         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
9754         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
9755         compute TREE_INVARIANT for decl case.
9756         (find_var_from_fn): New function.
9757         (variably_modified_type_p): Add arg and call new function.
9758         * tree.h (variably_modified_type_p): Add extra arg.
9759
9760 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9761
9762         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
9763         (goto_handler_and_restore_v9): Delete disabled insn.
9764         (goto_handler_and_restore_v9_sp64): Likewise.
9765
9766 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9767
9768         * calls.c (load_register_parameters): Call expand_shift instead
9769         of expand_binop with ashl_optab (or other shift optab) directly.
9770         * expr.c (emit_group_load, emit_group_store): Likewise.
9771         * function.c (assign_parm_setup_block): Likewise.
9772         * stmt.c (shift_return_value): Likewise.
9773
9774 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
9775
9776         * expr.c (expand_assignment): Disable the bitfield += optimizations.
9777
9778 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9779
9780         * doc/sourcebuild.texi: Revert previous patch.
9781
9782 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9783
9784         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
9785         TARGET_MEM_FUNCTIONS.
9786         * system.h: Poison TARGET_MEM_FUNCTIONS.
9787         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
9788         bcmp_libfunc, bzero_libfunc): Remove.
9789         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
9790         bzero_libfunc.
9791         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
9792         * doc/standards.texi: Don't mention calling BSD string functions.
9793         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
9794         * config/vax/t-memfuncs: New.
9795         * config/memcmp.c, config/memcpy.c, config/memmove.c,
9796         config/memset.c: New.
9797         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
9798         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
9799         vax/t-memfuncs.
9800         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
9801         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
9802         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
9803         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
9804         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
9805         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
9806         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
9807         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
9808         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
9809         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
9810
9811 2004-07-05  Richard Henderson  <rth@redhat.com>
9812
9813         * function.c (assign_parm_setup_reg): Properly rename variables in
9814         FUNCTION_ARG_CALLEE_COPIES section.
9815
9816 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9817
9818         * tree-mudflap.c: Include cgraph.h.
9819         (mf_init_extern_trees): Rename to mudflap_init.  Export.
9820         Rewrite to create synthetic declarations instead of looking
9821         up declarations from mf-runtime.h.
9822         (mf_make_builtin, mf_make_cache_struct_type): New functions.
9823         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
9824         Correct commentary.
9825         (execute_mudflap_function_decls, mudflap_register_call):
9826         Don't call mf_init_extern_trees.
9827         (mudflap_finish_file): Use cgraph_build_static_cdtor.
9828
9829         * tree-mudflap.h: Update prototypes.
9830         * c-mudflap.c: Delete file.
9831         * c-common.c: Include tree-mudflap.h.
9832         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
9833         * Makefile.in: Remove all references to c-mudflap.o.
9834         Update dependencies.
9835
9836 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9837
9838         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
9839         displacements with the spatial-locality cache-control completer.
9840
9841 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9842
9843         * langhooks.c: Don't include gt-langhooks.h.
9844         (var_labelno): Delete.
9845         (lhd_set_decl_assembler_name): Do not append a distinguishing
9846         number to file-scope internal-linkage declarations for the first
9847         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
9848         the declaration itself (if at block scope), or its containing
9849         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
9850         number.
9851
9852         * opts.c (cur_in_fname): New global.
9853         * opts.h: Declare it.
9854         * tree.c: Include opts.h.
9855         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
9856         DECL_UID equal to cur_in_fname.
9857         (copy_node_stat): Do not change DECL_UID when copying a
9858         TRANSLATION_UNIT_DECL.
9859         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
9860         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
9861
9862         * c-decl.c (c_static_assembler_name): Delete.
9863         * c-tree.h (c_static_assembler_name): Delete prototype.
9864         * c-lang.c, objc/objc-lang.c: Don't override
9865         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
9866
9867         * Makefile.in (tree.o): Update dependencies.
9868         (GTFILES): Remove langhooks.c.
9869
9870 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9871
9872         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
9873         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
9874         Normalize "X % C" as "X % -C" for signed modulus and negative C.
9875         Optimize "X % -Y" as "X % Y" for signed modulus.
9876         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
9877         into "((unsigned) X % Y) == 0".
9878
9879 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9880
9881         * sourcebuild.texi (Config Fragments): Use @comma{} in
9882         cross-reference to section title.
9883
9884 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9885
9886         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
9887         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
9888         (gimplify_target_expr, gimplify_expr): Likewise.
9889         (copy_if_shared_r): No longer need special case for BIND_EXPR.
9890         (unshare_body, unvisit_body): Only look at nested if BODY_P is
9891         whole function.
9892         (gimplify_compound_lval): See if we can strip any useless conversion.
9893         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
9894         from RHS, not LHS.
9895         (gimplify_modify_expr_to_memset): Likewise.
9896         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
9897         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
9898         (declare_inline_vars): Likewise.
9899         (walk_type_fields): New function.
9900         (walk_tree): Use it.
9901         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
9902
9903         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
9904         (sra_walk_modify_expr): Allow init function to fail.
9905         (scan_init): Now returns bool.
9906         (generate_element_init): If can't understand INIT, return false.
9907         (scalarize_init): Return false if generate_element_init does.
9908
9909         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
9910         print bounds.
9911
9912         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
9913         bounds if bounds aren't constant.
9914
9915         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
9916
9917         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
9918         to type hooks; remove bogus PARAMS.
9919
9920 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
9921
9922         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
9923         * dwarf2out.c (add_data_member_location_attribute): Check for
9924         TREE_BINFO.
9925         * tree.c (tree_node_kinds): Add "binfos".
9926         (binfo_lang_slots): New.
9927         (make_node_stat): Add TREE_BINFO.
9928         (make_tree_binfo_stat): New.
9929         (tree_node_structure): Add TREE_BINFO.
9930         * tree.def (TREE_BINFO): New.
9931         * tree.h (REC_OR_UNION_CHECK): Rename to ...
9932         (RECORD_OR_UNION_CHECK): ... here.
9933         (NOT_RECORD_OR_UNION_CHECK): New.
9934         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
9935         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
9936         RECORD_OR_UNION_CHECK.
9937         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
9938         (TYPE_LANG_SLOT_1): New.
9939         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
9940         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
9941         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
9942         (BINFO_ELTS): Remove.
9943         (BINFO_LANG_SLOT): New.
9944         (struct tree_binfo): New.
9945         (binfo_lang_slots): Declare.
9946         (enum tree_node_structure_enum): Add TS_BINFO.
9947         (union tree_node): Add binfo.
9948         (make_tree_binfo_stat): Declare.
9949         (make_tree_binfo): New.
9950         (enum tree_node_kind): Add binfo_kind.
9951
9952         * objc/objc-act.c (start_class, objc_declare_protocols,
9953         start_protocols): Use TYPE_LANG_SLOT_1.
9954         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
9955         to ...
9956         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
9957         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
9958         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
9959         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
9960
9961 2004-07-05  Steven Bosscher  <stevenb@suse.de>
9962
9963         * rtl.h (struct rtx_def): Remove the integrated flag.
9964         Use the return_val flag for MEM_SCALAR_P.
9965         Reshuffle and update flags in CLEAR_RTX_FLAGS.
9966
9967 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
9968
9969         PR target/16357
9970         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
9971         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
9972         move_by_pieces.
9973
9974 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
9975
9976         * var-tracking.c: Fix some comments.
9977         (frame_stack_adjust): New.
9978         (vt_stack_adjustments): Init stack_adjust of entry block to
9979         minus stack adjustment of function prologue.
9980         (adjust_stack_reference): Do not adjust if adjustment == 0.
9981         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
9982         (emit_notes_in_bb): Likewise.
9983         (vt_add_function_parameters): Do not adjust locations of
9984         function arguments.
9985         (vt_initialize): Compute the stack adjustment of function
9986         prologue and offset the initial "location" of frame_base_decl
9987         from the stack pointer after prologue.
9988
9989 2004-07-04  Richard Henderson  <rth@redhat.com>
9990
9991         * function.c (struct assign_parm_data_all): New.
9992         (struct assign_parm_data_one): New.
9993         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
9994         assign_parm_find_data_types, assign_parms_setup_varargs,
9995         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
9996         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
9997         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
9998         assign_parm_setup_block, assign_parm_setup_reg,
9999         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
10000         (assign_parms): ... here.
10001
10002 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
10003
10004         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
10005         now are bitmap_set_t's.
10006         (bitmap_insert_into_set): No point in inserting the value if
10007         it's invariant.
10008         (bitmap_set_contains): New function.
10009         (bitmap_set_replace_value): Add comment on why we do it
10010         this way.
10011         (set_contains): Removed.
10012         (bitmap_set_subtract_from_value_set): New name of
10013         set_subtract now that it's arguments are two different
10014         types of sets.
10015         Update callers.
10016         (bitmap_find_leader): Change algorithm used.
10017         (find_or_generate_expression): Update use of functions for new
10018         bitmap sets.
10019         (create_expression_by_pieces): Ditto.
10020         (insert_aux): Ditto.
10021         (insert): Ditto.
10022         (add_to_sets): Ditto.
10023         (init_pre): Ditto.
10024         (execute_pre): Ditto.
10025         (compute_avail): Ditto.
10026         Also ignore virtual phis.
10027
10028 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10029
10030         * combine.c (simplify_comparison): Fix comment typo.
10031
10032 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10033
10034         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
10035         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
10036         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
10037         (output_restore): Change parameter from 'insn' to 'pat'.
10038         (output_return): Adjust call to output_restore.
10039         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
10040         Adjust call to output_restore.
10041
10042 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10043
10044         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
10045         and assert system is bsd.
10046
10047 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10048
10049         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
10050         (TARGET_SWITCHES): Remove -mdebugc.
10051         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
10052         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
10053         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
10054         (sle_[sd]i_reg): Delete.
10055
10056 2004-07-04  Steven Bosscher  <stevenb@suse.de>
10057
10058         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10059         Define.
10060         * config/iq2000/iq2000.md: Translate old pipeline description to an
10061         equivalent new one.
10062
10063 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10064
10065         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
10066         Ensure the replacement rhs is valid gimple before performing
10067         the substitution.  Return false if these sanity checks fail.
10068         (fold_stmt): Only set changed to true, if set_rhs returns true.
10069         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
10070         succeeds.
10071
10072 2004-07-04  Richard Henderson  <rth@redhat.com>
10073
10074         PR c/16348
10075         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
10076
10077 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
10078
10079         * configure.ac (ranlib_flags): New variable.
10080         * Makefile.in (RANLIB_FLAGS): New variable.
10081         (libbackend.a): Use it.
10082         * configure: Regenerated.
10083
10084 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10085
10086         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
10087         a "sign mask" instead of using ashr_optab directly.
10088
10089 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10090
10091         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
10092         * doc/cppopts.texi: Clarify processing of command-line defines.
10093
10094 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
10095
10096         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
10097
10098 2004-07-04  Richard Henderson  <rth@redhat.com>
10099
10100         * rtl.def (ADDRESSOF): Remove.
10101         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
10102         (find_base_term, memrefs_conflict_p): Likewise.
10103         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
10104         (fold_rtx, cse_insn, set_live_p): Likewise.
10105         * dwarf2out.c (mem_loc_descriptor): Likewise.
10106         (add_location_or_const_value_attribute): Likewise.
10107         * emit-rtl.c (copy_insn_1): Likewise.
10108         * explow.c (memory_address): Likewise.
10109         * expmed.c (store_split_bit_field): Likewise.
10110         * expr.c (expand_expr_real_1): Likewise.
10111         * function.c (instantiate_decl
10112         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
10113         * genrecog.c (preds, validate_pattern): Likewise.
10114         * integrate.c (copy_rtx_and_substitute): Likewise.
10115         * recog.c (general_operand, register_operand): Likewise.
10116         (memory_address_p): Likwise.
10117         * reload1.c (eliminate_regs, elimination_effects): Likewise.
10118         * rtl.c (copy_rtx): Likewise.
10119         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
10120         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
10121         * rtlhooks.c (gen_lowpart_general): Likewise.
10122         * stmt.c (expand_asm_operands): Likewise.
10123         * web.c (entry_register, replace_ref, web_main): Likewise.
10124         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
10125         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10126         * config/arm/arm.c (thumb_rtx_costs): Likewise.
10127         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
10128         * config/frv/frv.c (move_destination_operand, move_source_operand,
10129         condexec_dest_operand, condexec_source_operand,
10130         condexec_memory_operand): Likewise.
10131         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
10132         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
10133         (destination_xfmode_operand): Likewise.
10134         * config/mips/mips.h (PREDICATE_CODES): Likewise.
10135         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
10136         * config/s390/s390.c (general_s_operand): Likewise.
10137         * config/s390/s390.md (mov*): Likewise.
10138         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
10139
10140         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
10141         * expr.c (expand_expr_real_1): Likewise.
10142         * stmt.c (expand_decl): Likewise.
10143         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
10144
10145         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
10146         postponed_insns, put_var_into_stack, put_reg_into_stack,
10147         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
10148         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
10149         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
10150         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
10151         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
10152         purge_bitfield_addressof_replacements, purge_addressof_replacements,
10153         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
10154         struct insns_for_mem_walk_info, insns_for_mem_walk,
10155         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
10156         setjmp_protect_args): Remove.
10157         (push_function_context_to): Don't handle var_refs_queue.
10158         (pop_function_context_from, free_after_compilation): Likewise.
10159         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
10160         (assign_parms, allocate_struct_function): Likewise.
10161         (use_register_for_decl): New.
10162         (expand_function_end): Don't setjmp_protect.
10163         * function.h (struct emit_status): Update commentary.
10164         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
10165         (max_parm_reg, parm_reg_stack_loc): Remove.
10166         * passes.c (DFI_addressof): Remove.
10167         (dump_file_info): Remove addressof.
10168         (rest_of_handle_addressof): Remove.
10169         (rest_of_compilation): Don't call it.
10170         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
10171         * stmt.c (expand_decl): Use use_register_for_decl.
10172         * tree.h: Update decls.
10173         * web.c (mark_addressof): Remove.
10174         * doc/invoke.texi (-dF): Remove.
10175
10176 2004-07-03  Richard Henderson  <rth@redhat.com>
10177
10178         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
10179         instead of gen_mem_addressof.
10180         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
10181         TImode output register.
10182
10183 2004-07-03  Richard Henderson  <rth@redhat.com>
10184
10185         PR tree-optimization/16341
10186         * tree-sra.c (sra_walk_function): Increment to next stmt before
10187         processing the current stmt.
10188         (sra_insert_after): Always use BSI_SAME_STMT.
10189
10190 2004-07-03  Richard Henderson  <rth@redhat.com>
10191
10192         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
10193         fp plus with minus.
10194
10195 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10196
10197         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
10198         with tree_int_cst_equal.
10199
10200 2004-07-03  Andreas Schwab  <schwab@suse.de>
10201
10202         * config/ia64/ia64.md: Define new attribute "empty".
10203         (prologue_use, nop_x, insn_group_barrier): Set it.
10204
10205         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
10206         skip over "empty" insns.
10207
10208 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10209
10210         * tree-inline.c (initialize_inlined_parameters): Pass proper function
10211         context to gimplify_body.
10212         (walk_tree): Don't walk into types twice.
10213         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
10214
10215         * tree-sra.c (generate_element_init): Remove any useless conversions.
10216
10217         * gimplify.c (gimplify_conversion): Remove stripping useless
10218         conversions from here.
10219         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
10220         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
10221         Unshare before substituting PLACEHOLDER_EXPR.
10222         (gimplify_modify_expr_to_memset): Likewise.
10223         Pass address of TO to memset, not TO itself.
10224         (gimplify_init_constructor): Make copy of OBJECT so we have it each
10225         time we make an expression (to match a PLACEHOLDER_EXPR).
10226
10227         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
10228         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
10229         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
10230         * tree-ssa-dom.c (local_fold): Likewise.
10231
10232         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
10233         * langhooks.h (strct lang_hooks): New field type_max_size.
10234         * function.c (assign_temp): Call it.
10235
10236 2004-07-03  Steven Bosscher  <stevenb@suse.de>
10237
10238         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
10239         * config/sh/sh.md: Convert the SH1 pipeline description to
10240         a DFA model.
10241
10242 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
10243
10244         * c-decl.c (struct c_binding): Remove contour field; add
10245         depth, invisible, nested fields.
10246         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
10247         (B_IN_EXTERNAL_SCOPE): New convenience macros.
10248         (bind): Add invisible and nested arguments. Initialize
10249         new fields of struct c_binding; adjust loop scanning for
10250         insertion point.
10251         (free_binding_and_advance): Clear structure with memset.
10252         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
10253         in file scope, even if it's in external scope too.
10254         (pushdecl): Adjust to match.  Create invisible file-scope
10255         declarations for block-scope forward declarations of static functions.
10256         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
10257         (undeclared_variable, lookup_label, declare_label, define_label)
10258         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
10259         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
10260         (store_parm_decls_oldstyle): Adjust to match.
10261         (diagnose_mismatched_decls): Correct handling of linkage clashes.
10262         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
10263
10264         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
10265         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
10266
10267 2004-07-02  Richard Henderson  <rth@redhat.com>
10268
10269         * c-decl.c (grokdeclarator): Don't frob current_function_decl
10270         around variable_size.
10271         (set_decl_nonlocal): Remove.
10272         (store_parm_decls): Add stmts for pending sizes.
10273         * calls.c (calls_function, calls_function_1): Remove.
10274         (precompute_arguments): Don't call it.
10275         * cfgexpand.c (set_save_expr_context): Remove.
10276         (tree_expand_cfg): Don't call it.
10277         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
10278         (dwarf2out_finish): Likewise.
10279         * expr.c (emit_block_move): Adjust addresses to BLKmode.
10280         (store_constructor): Don't pre-evaluate SAVE_EXPR.
10281         (safe_from_p): Don't queue SAVE_EXPRs.
10282         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
10283         or build plain VAR_DECLs.
10284         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
10285         (fold): Likewise.
10286         (fold_checksum_tree): Don't special-case SAVE_EXPR.
10287         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
10288         (put_var_into_stack): Don't handle SAVE_EXPR.
10289         (gen_mem_addressof): Likewise.
10290         * function.h (struct function): Remove x_save_expr_regs.
10291         (save_expr_regs): Remove.
10292         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
10293         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
10294         * stor-layout.c (variable_size): Don't set it.
10295         (force_type_save_exprs, force_type_save_exprs_1): Remove.
10296         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
10297         all callers.  Don't set SAVE_EXPR_CONTEXT.
10298         * tree-inline.h (remap_save_expr): Update decl.
10299         * tree.c (save_expr): Update build size.
10300         (first_rtl_op): Don't handle SAVE_EXPR.
10301         (unsave_expr_1, contains_placeholder_p): Likewise.
10302         (decl_function_context): Likewise.
10303         * tree.def (SAVE_EXPR): Remove args 1 and 2.
10304         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
10305         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
10306
10307 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10308
10309         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
10310         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
10311         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
10312         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
10313         some first-person references and patronizing comments.  Based on
10314         printed manual.
10315         * doc/invoke.texi: Don't reference fortran@gnu.org.
10316         * doc/trouble.texi (Warning when a non-void function value is
10317         ignored): Rewrite.  From Russ Allbery and Chris Devers.
10318
10319 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
10320
10321         * tree-ssa-pre.c (bitmap_set_t): New.
10322         (bb_value_sets): avail_out is now a bitmap_set_t.
10323         (bitmap_find_leader): New function.
10324         (bitmap_value_insert_into_set): Ditto.
10325         (bitmap_set_copy): Ditto.
10326         (bitmap_value_replace_in_set): Ditto.
10327         (bitmap_set_contains_value): Ditto.
10328         (bitmap_set_new): Ditto.
10329         (bitmap_set_pool): New pool.
10330         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
10331         (insert_aux): Ditto.
10332         (add_to_sets): Ditto.
10333         (compute_avail): Ditto
10334         (eliminate): Ditto.
10335         (init_pre): Ditto.
10336         (fini_pre): Ditto.
10337         (execute_pre): Ditto.
10338
10339 2004-07-02  Roger Sayle  <roger@eyesopen.com>
10340
10341         * config/rs6000/rs6000.c (struct processor_costs): New structure
10342         used to hold instruction latencies/sizes for processor types.
10343         (rs6000_cost): New global variable pointing to current CPU's costs.
10344         (rs6000_override_options): Initialize rs6000_cost to point to the
10345         appropriate cost table based upon rs6000_cpu and optimize_size.
10346         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
10347         timings inline.
10348
10349 2004-07-02  Richard Henderson  <rth@redhat.com>
10350
10351         * expmed.c (make_tree): Don't use SET_DECL_RTL.
10352
10353 2004-07-02  Steven Bosscher  <stevenb@suse.de>
10354
10355         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
10356
10357 2004-07-01  Richard Henderson  <rth@redhat.com>
10358
10359         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
10360         (alpha_gp_save_rtx): Use assign_stack_local instead of
10361         gen_mem_addressof.
10362
10363 2004-07-01  Richard Henderson  <rth@redhat.com>
10364
10365         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
10366         (alpha_rtx_cost_data): Update to match.
10367         (alpha_rtx_cost_size): New.
10368         (alpha_rtx_costs): Honor optimize_size.
10369
10370 2004-07-01  Richard Henderson  <rth@redhat.com>
10371
10372         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
10373         * cfgexpand.c (tree_expand_cfg): Do it here.
10374         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
10375         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
10376         * config/mips/mips.c (mips_output_mi_thunk): And here.
10377         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
10378         * config/sh/sh.c (sh_output_mi_thunk): And here.
10379         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
10380
10381 2004-07-01  Richard Henderson  <rth@redhat.com>
10382
10383         * tree.def (RTL_EXPR): Remove.
10384         * c-typeck.c (lvalue_p): Don't handle it.
10385         * expr.c (safe_from_p): Likewise.
10386         (expand_expr_real_1): Likewise.
10387         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
10388         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
10389         * gengtype.c (adjust_field_tree_exp): Likewise.
10390         * stmt.c (warn_if_unused_value): Likewise.
10391         * tree-gimple.c (recalculate_side_effects): Likewise.
10392         * tree-pretty-print.c (dump_generic_node): Likewise.
10393         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
10394         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
10395         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
10396
10397         * stmt.c (struct stmt_status): Remove x_last_expr_type,
10398         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
10399         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
10400         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
10401         all the bits that tracked last_expr.
10402         (expand_end_bindings): Don't track last_expr.
10403         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
10404         (clear_last_expr): Remove.
10405         (expand_asm): Don't call it.
10406         (expand_asm_operands, expand_end_cond): Likewise.
10407         (expand_naked_return, expand_null_return_1): Likewise.
10408         * c-typeck.c (c_begin_compound_stmt): Likewise.
10409         * cfgexpand.c (expand_block): Use expand_expr_stmt.
10410         * expr.c (expand_expr_real_1): Likewise.
10411         * tree.h: Update prototypes.
10412
10413         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
10414         (struct emit_status): Remove sequence_rtl_expr.
10415         (struct function): Remove x_rtl_expr_chain.
10416         (seq_rtl_expr, rtl_expr_chain): Remove.
10417         * function.c (struct temp_slot): Remove rtl_expr.
10418         (assign_stack_temp_for_type): Don't set it.
10419         (free_temp_slots, pop_temp_slots): Don't check it.
10420         (free_after_compilation): Don't clear x_rtl_expr_chain.
10421         (fixup_var_refs): Don't search it.
10422         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
10423         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
10424         or seq_rtl_expr.
10425         (push_topmost_sequence): Likewise.
10426         (end_sequence, init_emit): Likewise.
10427         (start_sequence_for_rtl_expr): Remove.
10428         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
10429         * rtl.h (preserve_rtl_expr_result): Remove.
10430
10431 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
10432
10433         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
10434         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
10435         typos.
10436
10437 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10438
10439         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
10440         (STANDARD_STARTFILE_PREFIX_2): Define.
10441         (standard_startfile_prefix_1): Initialize to
10442         STANDARD_STARTFILE_PREFIX_1.
10443         (standard_startfile_prefix_2): Initialize to
10444         STANDARD_STARTFILE_PREFIX_2.
10445         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
10446         (STANDARD_STARTFILE_PREFIX_1): Define.
10447         (STANDARD_STARTFILE_PREFIX_2): Define.
10448         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
10449         (STANDARD_STARTFILE_PREFIX_2): Document.
10450
10451 2004-07-01  Richard Henderson  <rth@redhat.com>
10452
10453         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
10454         in order to disable scalarization.  Instead set a flag and wait
10455         for a candidate decl.
10456
10457 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10458
10459         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
10460         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
10461         Use terminology "testsuite" and "enumerated".
10462
10463 2004-07-01  Richard Henderson  <rth@redhat.com>
10464
10465         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
10466         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
10467         (initial_return_save): Likewise.
10468         (flush_queued_reg_saves): Remap register numbers.
10469         (dwarf2out_return_reg): Likewise.
10470
10471 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10472
10473         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
10474
10475         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
10476         access functions for lower bound and element size and only output
10477         if lower bound nonzero or element size not same as that of type.
10478         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
10479
10480 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10481
10482         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
10483
10484 2004-07-01  Per Bothner  <per@bothner.com>
10485
10486         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
10487
10488 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
10489
10490         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
10491         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
10492         first operand.  Don't optimize if the bitfield is volatile.
10493
10494 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10495
10496         * c-pretty-print.c (pp_c_postfix_expression): Handle
10497         floating-point comparison operators.
10498         (pp_c_expression): Pass floating-point comparison
10499         operators to pp_c_postfix_expression.
10500
10501 2004-07-01  Roger Sayle  <roger@eyesopen.com>
10502
10503         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
10504         rtx_cost instead of "had_mult" to determine whether the transformed
10505         expression is cheaper than the original.
10506
10507 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
10508
10509         * alias.c (get_alias_set, canon_rtx, get_addr,
10510         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
10511         Use MEM_P.
10512         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
10513         expand_builtin): Likewise.
10514         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
10515         Likewise.
10516         * combine.c (can_combine_p, combinable_i3pat, try_combine,
10517         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
10518         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
10519         record_dead_and_set_regs_1, get_last_value_validate,
10520         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
10521         * cse.c (check_dependence, canon_hash, equiv_constant,
10522         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
10523         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
10524         count_reg_usage): Likewise.
10525         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
10526         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
10527         cselib_record_sets): Likewise.
10528         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
10529         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
10530         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
10531         * df.c (df_uses_record): Likewise.
10532         * dojump (do_jump): Likewise.
10533         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
10534         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
10535         decl_start_label): Likewise.
10536         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
10537         operand_subword, change_address_1, make_safe_from): Likewise.
10538         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
10539         stabilize, force_not_mem): Likewise.
10540         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
10541         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
10542         * expr.c (convert_move, convert_modes, emit_block_move,
10543         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
10544         emit_move_insn_1, expand_assignment, store_expr,
10545         store_constructor_field, store_constructor, store_field,
10546         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
10547         Likewise.
10548         * final.c (cleanup_subreg_operands, alter_subreg,
10549         get_mem_expr_from_op): Likewise.
10550         * flow.c (notice_stack_pointer_modification_1,
10551         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
10552         Likewise.
10553         * function.c (mark_temp_addr_taken, preserve_temp_slots,
10554         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
10555         optimize_bit_field, flush_addressof, purge_addressof_1,
10556         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
10557         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
10558         keep_stack_depressed): Likewise.
10559         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
10560         noce_process_if_block, find_memory): Likewise.
10561         * integrate.c (subst_constants, allocate_initial_values): Likewise.
10562         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
10563         update_equiv_regs): Likewise.
10564         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
10565         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
10566         * optabs.c (expand_abs, emit_unop_insn): Likewise.
10567         * passes.c (rest_of_handle_final): Likewise.
10568         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
10569         move2add_note_store): Likewise.
10570         * ra-build.c (detect_remat_webs): Likewise.
10571         * ra-debug.c (dump_static_insn_cost): Likewise.
10572         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
10573         * recog.c (validate_change, apply_change_group, cancel_changes,
10574         validate_replace_rtx_1, general_operand, register_operand,
10575         nonmemory_operand, push_operand, pop_operand, memory_operand,
10576         indirect_operand, asm_operand_ok, offsettable_memref_p,
10577         offsettable_nonstrict_memref_p, constrain_operands,
10578         store_data_bypass_p): Likewise.
10579         * reg-stack.c (subst_stack_regs_pat): Likewise.
10580         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
10581         copy_cost, reg_scan_mark_refs): Likewise.
10582         * regmove.c (optimize_reg_copy_3, stack_memref_p,
10583         combine_stack_adjustments_for_block): Likewise.
10584         * regrename.c (copyprop_hardreg_forward_1): Likewise.
10585         * reload.c (can_reload_into, push_reload, decompose, immune_p,
10586         find_reloads, find_reloads_address, find_reloads_address_1,
10587         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
10588         find_equiv_reg): Likewise.
10589         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
10590         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
10591         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
10592         delete_address_reloads): Likewise.
10593         * resource.c (mark_referenced_resources): Likewise.
10594         * rtlanal.c (get_jump_table_offset, count_occurrences,
10595         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
10596         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
10597         num_sign_bit_copies1): Likewise.
10598         * rtlhooks.c (gen_lowpart_general): Likewise.
10599         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
10600         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
10601         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
10602         sdbout_global_decl): Likewise.
10603         * simplify-rtx.c (simplify_subreg): Likewise.
10604         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
10605         expand_anon_union_decl, expand_end_case_type): Likewise.
10606         * unroll.c (calculate_giv_inc): Likewise.
10607         * var-tracking.c (stack_adjust_offset_pre_post,
10608         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
10609         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
10610         vt_add_function_parameters): Likewise.
10611         * varasm.c (make_var_volatile, notice_global_symbol,
10612         assemble_external, decode_addr_const, mark_weak,
10613         default_encode_section_info): Likewise.
10614
10615 2004-07-01  Steven Bosscher  <stevenb@suse.de>
10616
10617         * stmt.c (check_seenlabel): Remove.
10618         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
10619
10620 2004-07-01  Richard Henderson  <rth@redhat.com>
10621
10622         * function.h (struct function): Remove x_function_call_count.
10623         (function_call_count): Remove.
10624         * calls.c (expand_call): Don't set it.
10625         * integrate.c (copy_rtx_and_substitute): Likewise.
10626
10627         * function.h (struct function): Remove x_cleanup_label.
10628         (cleanup_label): Remove.
10629         * stmt.c (expand_value_return): Don't use it.
10630         * function.c (free_after_compilation): Don't set it.
10631         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
10632         * cfgexpand.c (tree_expand_cfg): Update call.
10633         * tree.h (expand_function_start): Update decl.
10634
10635 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10636
10637         PR c/1027
10638         * c-lang.c (c_initialize_diagnostics): Move from here ...
10639         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
10640         (c_tree_printer): Use pretty-printer to format %T.
10641         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
10642         before '*' if not C++.
10643         (pp_c_direct_abstract_declarator): Don't try to print array upper
10644         bound for flexible array members.
10645         * c-tree.h: Include "diagnostic.h".
10646         (c_initialize_diagnostics): Declare.
10647         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
10648         * c-format.c (format_type_warning): New function.  Improve
10649         diagnostics for incorrect format argument types.
10650         (check_format_types): Use it.  Add two parameters.  Use the
10651         TYPE_MAIN_VARIANT of wanted_type.
10652         (check_format_info_main): Pass new parameters to
10653         check_format_types.
10654         (struct format_wanted_type): Update comment.
10655
10656 2004-07-01  Nick Clifton  <nickc@redhat.com>
10657
10658         * target.h (struct gcc_target): Add new field to struct cxx:
10659         import_export_class.
10660         * target-def.h (TARGET_CXX): Initialise the new field.
10661         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
10662         the new field.
10663         * doc/tm.texi: Document the new target hook.
10664
10665 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10666
10667         * builtins.c (fold_builtin_classify): Fix typo.
10668
10669 2004-07-01  Richard Henderson  <rth@redhat.com>
10670
10671         * function.c (identify_blocks, identify_blocks_1): Remove.
10672         * function.h (identify_blocks): Remove.
10673         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
10674
10675 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10676
10677         * builtins.c (fold_builtin_classify): New.
10678         (fold_builtin_unordered_cmp): Fix commentary.
10679         (fold_builtin): Use it.
10680         * builtins.def: Define builtins for isnan,
10681         isnanf, isnanl, finite, finitef, finitel,
10682         isinf, isinff, isinfl.
10683
10684 2004-07-01  Richard Henderson  <rth@redhat.com>
10685
10686         * function.h (struct function): Remove dont_emit_block_notes.
10687         * gimple-low.c (lower_function_body): Don't set it.
10688         * cfgexpand.c (expand_block): Don't check it.
10689         * cfglayout.c (insn_locators_initialize): Likewise.
10690         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
10691         * passes.c (rest_of_compilation): Likewise.
10692         * stmt.c (expand_start_bindings_and_block): Likewise.
10693         (expand_end_bindings): Likewise.
10694
10695 2004-07-01  Richard Henderson  <rth@redhat.com>
10696
10697         * cgraph.h (cgraph_build_static_cdtor): Declare.
10698         * cgraphunit.c (cgraph_build_static_cdtor): New.
10699         * c-objc-common.c (build_cdtor): Use it.
10700         * coverage.c (create_coverage): Likewise.
10701         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
10702         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
10703
10704 See ChangeLog.11 for earlier changes.