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1 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
4         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
5         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
6         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
7         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
8
9 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
10
11         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
12         in COMPONENT_REF nodes.
13
14 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
15
16         PR c++/15378
17         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
18         global_dc->warning_as_error_requested.
19         * diagnostic.c (diagnostic_initialize): Tidy.
20         * diagnostic.h (diagnostic_context::x_data): Remove
21         (diagnostic_context::issue_warnings_are_errors_message): Rename
22         from warnings_are_errors_message.
23         (diagnostic_context::warning_as_error_requested): New.
24
25 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
26
27         * sched-deps.c (get_condition): Fix breakage in previous patch.
28
29 2004-08-30  Paul Brook  <paul@codesourcery.com>
30
31         * doc/install.texi: Fix broken mpfr link.
32
33 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
34
35         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
36         other FreeBSD platforms.
37
38 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
39
40         * arm.h (REVERSE_CONDITION): Define.
41         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
42
43 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
44
45         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
46         just the codes, call reversed_comparison_code ().
47         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
48         (not_reg_cond): Use reversed_comparison_code.
49         (and_reg_cond): Likewise.
50         * ifcvt.c (cond_exec_process_if_block): Likewise.
51         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
52
53 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
54
55         * sched-deps.c (get_condition): Rewrite using jump support functions.
56         Use reversed_comparison_code.
57         (conditions_mutex_p): Use reversed_comparison_code.
58
59 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
60
61         * config/mips/mips.c (override_options): Disable hot/cold partitioning
62         for MIPS16.
63
64 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
65
66         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
67         (mips_function_type): Move to mips.c.
68         * config/mips/mips.c (mips_builtin_type): New enum.
69         (builtin_description): Replace code and ftype with builtin_type
70         and function_type.
71         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
72         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
73         (CODE_FOR_mips_abs_ps): Define.
74         (mips_bdesc): Use new macros.
75         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
76         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
77         (mips_expand_builtin_direct): New function.
78         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
79         builtin.  Replace boolean parameter with builtin_type.
80         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
81         (mips_expand_4s_compare_builtin): Delete, replacing with...
82         (mips_expand_builtin_compare): ...this new function.
83
84 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
85
86         PR rtl-optimization/16590
87         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
88
89 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
90
91         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
92         * tree-ssa-propagate.c: Fix documentation.
93
94 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
95
96         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
97         (mov[sd]fcc): Likewise.
98
99 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
100
101         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
102
103 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
104
105         * config/mips/mips.md (divide_condition): New mode attribute.
106         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
107         (sqrt[sd]f3): Redefine using SCALARF.
108         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
109         patterns.
110
111 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
112
113         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
114         (loadx, storex, fmt, UNITMODE): New mode attributes.
115         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
116         (mul[sd]f3): Redefine using :SCALARF.
117         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
118         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
119         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
120         Check TARGET_FUSED_MADD for V2SF too.
121         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
122         were already named.
123         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
124         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
125
126 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
127
128         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
129         V2SF_type_node if it will be needed.
130
131 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
132
133         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
134         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
135         (mips_prepare_builtin_target): New function.
136         (mips_expand_builtin): Use them.  Update calls to subroutines.
137         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
138         cmp_choice with a boolean argument to select between movt and movf.
139         Take the comparison's icode as an argument, not the function's fcode.
140         (mips_expand_compare_builtin): New function.  Rename existing function
141         to mips_expand_scalar_compare_builtin.
142         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
143         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
144         comparison's icode as an argument, not the builtin's fcode.
145
146 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
147
148         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
149         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
150         registers are false and -1 if all registers are true.
151         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
152         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
153         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
154         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
155         (bc1any2t, bc1any2f): Likewise CCV2.
156         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
157
158 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
159
160         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
161         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
162         UNSPEC rather than an IF_THEN_ELSE.
163         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
164         mips_cond_move_tf_ps by name.
165
166 2004-08-29  Chao-ying Fu  <fu@mips.com>
167             James E Wilson  <wilson@specifixinc.com>
168         
169         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
170         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
171         * config/mips/mips-ps-3d.md: New file.
172         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
173         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
174         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
175         (mips_output_move): Emit "mov.ps" for V2SFmode.
176         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
177         MODE_VECTOR_FLOAT.
178         (override_options): Check if TARGET_MIPS3D and there was an explicit
179         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
180         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
181         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
182         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
183         and allow CCV2 and CCV4 to occupy two and four CC registers.
184         (print_fcc_operand): New function.
185         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
186         %Z to call print_fcc_operand.
187         (mips_function_value): Handle MODE_VECTOR_FLOAT.
188         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
189         (mips_vector_mode_supported_p): New function.
190         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
191         (builtin_description): New struct.
192         (mips_bdesc): New array of struct builtin_description.
193         (mips_expand_builtin, mips_init_builtins,
194         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
195         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
196         functions.
197         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
198         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
199         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
200         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
201         "-mips3d", and "-mno-mips3d".
202         (ASM_SPEC): Map -mips3d to -mips3d in gas.
203         (EXTRA_CONSTRAINT_Y): New macro.
204         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
205         multi-letter constraint 'Y'.
206         (CONSTRAINT_LEN): New macro.
207         (enum mips_builtins): New for MIPS builtin functions.
208         (enum mips_function_type): New for the types of MIPS builtin functions.
209         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
210         * config/mips/mips.md: New constants for paired single and MIPS-3D 
211         instructions.  Include the new mips-ps-3d.md file.
212         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
213         movv2sf_hardfloat_64bit): New named patterns.
214         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
215         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
216         sdxc1_v2sf_di): New unnamed patterns.
217         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
218         const_vector support.
219         (const_0_or_1_operand): New predicate.
220         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
221
222 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
223
224         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
225         (tree-ssa-propagate.o): New rule.
226         (GTFILES): Add tree-ssa-propagate.c.
227         * tree-flow.h (struct stmt_ann_d): Remove field
228         in_ccp_worklist.
229         * tree-ssa-propagate.c: New file.
230         * tree-ssa-propagate.h: New file.
231         * tree-ssa-ccp.c: Re-write to use the routines from
232         tree-ssa-propagate.c.
233
234 2004-08-28  Andrew Pinski  <apinski@apple.com>
235
236         * tree-ssa-loop.c: Remove extra include of basic-block.h.
237
238 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
239
240         * c-common.h: Update comments about ObjC/ObjC++ entry points.
241         (objc_is_reserved_word): New prototype.
242         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
243         separate section; these are call-backs.
244         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
245         ObjC/ObjC++ "@" keywords.
246         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
247         prototypes; they already live in c-common.h.
248         * stub-objc.c: Update copyright notice.
249         (objc_is_reserved_word): New stub.
250
251 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
252
253         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
254         even when not checking.
255
256 2004-08-27  Jason Merrill  <jason@redhat.com>
257
258         PR c++/13684
259         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
260         (gimple_push_cleanup): Add eh_only parm.
261         (gimplify_target_expr): Pass it.
262         * c.opt (-fno-threadsafe-statics): New option.
263         * c-opts.c (c_common_handle_option): Handle it.
264         * c-common.h (flag_threadsafe_statics): Declare it.
265         * c-common.c (flag_threadsafe_statics): Record it.
266         * doc/invoke.texi: Document it.
267         * tsystem.h (_GNU_SOURCE): Define.
268         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
269         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
270         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
271         (__gthread_recursive_mutex_init_function): New fn.
272         (__gthread_recursive_mutex_lock): New fn.
273         (__gthread_recursive_mutex_trylock): New fn.
274         (__gthread_recursive_mutex_unlock): New fn.
275         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
276         * gthr-win32.h, gthr-vxworks.h: Likewise.
277         * gthr.h: Document.
278
279 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
280
281         * config/rs6000/rs6000.c (rs6000_override_options): Increase
282         maximum skip to 15.  Set function alignment, jump alignment, and
283         loop alignment to 16 for processors that form dispatch groups.
284         (rs6000_rtx_costs): outer_code is used.
285
286 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
287
288         * stor-layout.c (sizetype_set): Remove.
289         (set_sizetype): Don't test or set it.
290
291         * tree.h (size_int_type): Remove.
292         * fold-const.c: Do not #include gt-fold-const.h.
293         (size_htab_hash, size_htab_eq): Remove.
294         (size_int_kind): Use build_int_cst.
295         (new_const, size_htab): Remove.
296         (size_int_type): Remove.
297         (round_up): Use build_int_cst.
298         (round_down): Likewise. Remove spurious constant build.
299
300 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
301
302         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
303         Add is_release variable, use it for --enable-werror and
304         --enable-checking defaults.
305         * system.h (gcc_assert, gcc_unreachable): New.
306         * doc/install.texi (--enable-checking): Update.
307         * configure, config.in: Rebuilt.
308
309 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
310
311         * rtl.h (read_rtx): Change prototype.
312         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
313         line number.  Return true on success.
314         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
315         callers accordingly.
316
317 2004-08-26  Richard Henderson  <rth@redhat.com>
318
319         * c-typeck.c (build_offsetof): Remove.
320         * c-tree.h (build_offsetof): Remove.
321         * c-common.c (fold_offsetof_1, fold_offsetof): New.
322         * c-common.h (fold_offsetof): Declare.
323         * c-parse.in (offsetof_base): New.
324         (offsetof_member_designator): Use it.  Build references, not just
325         a tree list.
326         (primary): Use fold_offsetof, not build_offsetof.
327
328 2004-08-26  Richard Henderson  <rth@redhat.com>
329
330         * tree.c (staticp): Return the static object.
331         * tree.h (staticp): Update decl.
332         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
333         * langhooks.c (lhd_staticp): Return NULL_TREE.
334         * langhooks-def.h (lhd_staticp): Update decl.
335         * c-common.c (c_staticp): Return the static object.
336         * c-common.h (c_staticp): Update decl.
337
338 2004-08-26  Richard Henderson  <rth@redhat.com>
339
340         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
341         modes.
342
343 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
344
345         PR c/13801
346         * c-decl.c (struct c_binding): Add type and inner_comp fields.
347         (bind): Set type and inner_comp fields.
348         (pop_scope): Restore type of decl to the correct type from an
349         outer scope.  Give error when popping file scope for incomplete
350         arrays completed incompatibly with default initialization in an
351         inner scope.
352         (diagnose_mismatched_decls): Handle externs with initializers at
353         block scope.
354         (pushdecl): Set type of external declaration at block scope based
355         only on the visible declarations.  Save type when changing the
356         type of a declaration.  Merge an external declaration at block
357         scope with a visible static declaration at file scope.
358         (implicitly_declare): Give recycled old declaration the new type
359         except for incompatible declarations of built-in functions, saving
360         the old type.
361
362 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
363
364         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
365
366 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
367
368         * tree-alias-common.c (gate_pta): New function.
369         (pass_build_pta): Use it.
370         (pass_del_pta): Use it.
371         (delete_alias_vars): Don't check flag_tree_points_to.
372
373 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
374
375         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added 
376         TFmode as additional register mode cloberred by call.
377
378 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
379
380         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
381         parallel pattern for library call returning DImode in
382         mixed mode.
383
384 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
385
386         * config/rs6000/rs6000.c (function_arg): Generate parallel
387         pattern for more split args.
388
389 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
390
391         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
392         either gen_movdi_di_update or gen_movdi_si_update depending on
393         target mode.
394         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
395         to generate two versions.
396  
397 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
398
399         * Makefile.in (lambda-code.o): New.
400         (lambda-trans.o): Ditto.
401         (TREE_DATA_REF_H): Ditto.
402         (LAMBDA_H): Ditto.
403         (lambda-mat.o): Use LAMBDA_H.
404         (tree-data-ref.o): Ditto.
405         * lambda-code.c: New file.  Lambda code generation algorithm.
406         * lambda-trans.c: Ditto. Lambda transformation matrix support.
407         * lambda.h: Add lambda loop structures.
408         Add lambda loopnest structures.
409         Add lambda body vector structure.
410         Add lambda linear expression structures.
411         Add prototypes for functions in new files.
412         * lambda-mat.c: Include tree.h
413
414 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
415             Sebastian Pop  <pop@cri.ensmp.fr>   
416         
417         * tree-data-ref.h: Include lambda.h     
418         (free_dependence_relation): Declared here.
419         (free_dependence_relations): Ditto.     
420         (free_data_refs): Ditto.
421         * tree-data-ref.c (free_dependence_relation): New function.
422         (free_dependence_relations): Ditto.
423         (free_data_refs): Ditot.
424         (analyze_all_data_dependences): Free datarefs and dependence_relations.
425         (build_classic_dist_vector): Store in the dependence_relations the
426         information. Each arc in the dependence_relations graph is labelled
427         with the distance and direction vectors.
428         (build_classic_dir_vector): Ditto.
429         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
430         Now computes again the whole dependence graph including read-read
431         relations.
432         (compute_data_dependences_for_loop): Now dependence_relations contains
433         all the data, and thus it doesn't need to initialize the classic_dir
434         and classic_dist vectors.
435         (analyze_all_data_dependences): Adjusted for using the new interface of
436         compute_data_dependences_for_loop.  Remove the statistics dump.
437         
438 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
439
440         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
441         (xtensa_expand_block_move): Update comment.
442         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
443
444 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
445
446         PR target/13506
447         * toplev.c (crash_signal): If we crashed while emitting
448         a user asm, then die more gracefully.
449
450 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
451
452         PR target/17119.
453         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
454         checking for a valid constant, regardless of sign.
455
456 2004-08-25  Richard Henderson  <rth@redhat.com>
457
458         PR target/16974
459         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
460         if the constant satisfies add_operand.
461
462 2004-08-25  Richard Henderson  <rth@redhat.com>
463  
464         PR debug/10695
465         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
466         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
467         unwind info for >16-bit frames.
468
469 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
470
471         PR target/17171
472         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
473
474 2004-08-25  Richard Henderson  <rth@redhat.com>
475
476         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
477         (TARGET_CANNOT_FORCE_CONST_MEM): New.
478
479 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
480
481         * doc/tree-ssa.texi: Document new operand iterator.
482
483 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
484
485         PR target/16480
486         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
487         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
488         as PLUS base regs.
489
490 2005-08-28  Paul Brook  <paul@codesourcery.com>
491
492         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
493         -mfpu=vfp -march=armv5t
494         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
495
496 2004-08-25  Richard Henderson  <rth@redhat.com>
497
498         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
499         * target.h (struct gcc_target): Add scalar_mode_supported_p.
500         * targhooks.c (default_scalar_mode_supported_p): New.
501         * targhooks.h (default_scalar_mode_supported_p): Declare.
502         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
503
504         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
505         before attempting to create types.  Tidy.
506         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
507
508         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
509         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
510
511 2004-08-25  Richard Henderson  <rth@redhat.com>
512
513         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
514         set REAL_MODE_FORMAT for TFmode.
515
516 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
517
518         * c-decl.c (grokparm): New function.
519         * c-tree.h (grokparm): New prototype.
520
521 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
522
523         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
524         iterator controlling structure.
525         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
526         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
527         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
528         iterator flags.
529         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
530         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
531         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
532         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
533         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. 
534         Empty operand pointers.
535         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
536         (op_iter_next_use): New.  Return next use_operand_p.
537         (op_iter_next_def): New.  Return next def_operand_p.
538         (op_iter_next_tree): New.  Return next operands as a tree.
539         (op_iter_init): New.  Initialize an iterator structure.
540         (op_iter_init_use): New.  Initialize structure and get the first use.
541         (op_iter_init_def): New.  Initialize structure and get the first def.
542         (op_iter_init_tree): New.  Initialize structure and get the first tree.
543         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
544         (op_iter_init_maydef): New.  Initialize structure and get the first 
545         V_MAY_DEF operands.
546         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
547         * tree-dfa.c (compute_immediate_uses_for_stmt, 
548         redirect_immediate_uses): Use new operand iterator.
549         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
550         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
551         operands instead of using *_disappeared_p routines.
552         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
553         ssa_rewrite_stmt): Use new operand iterator.
554         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
555         rewrite_trees): Use new operand iterator.
556         * tree-pretty-print.c (dump_vops): Use new operand iterator.
557         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
558         * tree-ssa-alias.c (compute_points_to_and_addr_escape, 
559         dump_points_to_info): Use new operand iterator.
560         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, 
561         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new 
562         operand iterator.
563         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, 
564         propagate_necessity): Use new operand iterator.
565         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
566         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
567         a parameter instead of a stmt_ann_t.
568         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
569         build_tree_conflict_graph): Use new operand iterator.
570         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
571         rewrite_mem_refs): Use new operand iterator.
572         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, 
573         check_loop_closed_ssa_use): Use new operand iterator.
574         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
575         * tree-ssanames.c (release_defs): Use new operand iterator.
576         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
577
578 2004-08-25  Adam Nemet  <anemet@lnxw.com>
579
580         * tlink.c (initial_cwd): New variable.
581         (tlink_init): Initialize it.
582         (recompile_files): Use tlink_execute() instead of system().  Don't
583         duplicate verbose output of collect_execute.  Restore initial_cwd.
584         Update comment before the function.
585
586 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
587
588         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
589         accept) a cast from one Objective-C pointer type to another.
590
591 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
592
593         * doc/install.texi: Document that libstdc++-v3 requires
594         now automake 1.9.1.
595
596 2004-08-25  Caroline Tice  <ctice@apple.com>
597
598         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
599         to comments at start of function.
600         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
601         comment.
602         * cfgcleanup.c (try_simplify_condjump, try_forward_edges, 
603         merge_blocks_move_predecessor_nojumps, 
604         merge_blocks_move_successor_nojumps, merge_blocks_move, 
605         try_crossjump_to_edge, try_crossjump_bb): Likewise.
606         * cfglayout.c (fixup_reorder_chain): Likewise.
607         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
608         cfg_layout_can_merge_blocks_p):  Likewise.
609         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
610         * passes.c (rest_of_compilation): Update comments for calling 
611         optimization that partitions hot/cold basic blocks.
612         * doc/invoke.texi:  Update documentation of 
613         freorder-blocks-and-partition flag.
614         
615 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
616
617         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
618         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
619
620 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
621
622         * config/mips/mips.md (any_shift): New code macro.
623         (optab, insn): New code attributes.
624         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
625         Use the standard rather than internal patterns for the MIPS16
626         double-shift optimization.
627         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
628         Redefine using :GPR and any_shift.
629         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
630         to cover all three shifts.
631         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
632         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
633         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
634
635 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
636
637         * gimplify.c (lookup_tmp_var): Separate temporaries when not
638         optimizing.
639
640 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
641
642         PR libstdc++/17005 (fix for HP-UX 11.11)
643         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
644         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
645         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.  
646         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
647         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
648         (LINK_SPEC): Handle march=1.0 option.
649         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
650         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
651         (SUBTARGET_OPTIONS): New define.
652         (LINK_SPEC): Handle march=1.0 option.
653         (STARTFILE_SPEC): New define.
654         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
655         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
656         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
657         (SUBTARGET_OPTIONS): New define.
658         (LINK_SPEC): Handle march=1.0 option.
659         (STARTFILE_SPEC): New define.
660         * config/pa/pa.c (override_options): Add code to process -munix= option.
661         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
662         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
663         defines.
664         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
665         (SUBTARGET_OPTIONS): Provide default define.
666         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
667         STANDARD_STARTFILE_PREFIX_2): New defines.
668         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
669         (ENDFILE_SPEC): Use %O.
670         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
671         Mention issue caused by changing namespace and runtime to UNIX 95/98.
672         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
673         Document -munix=std option.
674
675 2004-08-25  Steven Bosscher  <stevenb@suse.de>
676
677         * cse.c (cse_around_loop, cse_check_loop_start,
678         cse_set_around_loop): Remove.
679         (cse_basic_block): Remove the around_loop argument.
680         (cse_end_of_basic_block): Remove the after_loop argument.
681         (cse_main): Likewise.
682         * rtl.h (cse_main): Update prototype.
683         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
684         rest_of_handle_gcse): Update cse_main calls.
685
686 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
687
688         * tree.h  (build_int_cst): New, sign extended constant.
689         (build_int_cstu): New, zero extended constant.
690         (build_int_cst_wide): Renamed from build_int_cst.
691         * tree.c (build_int_cst, build_int_cstu): New.
692         (build_int_cst_wide): Renamed from build_int_cst.
693         (make_vector_type, build_common_tree_nodes,
694         build_common_tree_nodes_2): Adjust build_int_cst calls.
695         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
696         expand_builtin_strpbrk, expand_builtin_fputs,
697         build_string_literal, expand_builtin_printf,
698         expand_builtin_sprintf, fold_builtin_classify_type,
699         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
700         fold_builtin_toascii, fold_builtin_isdigit,
701         simplify_builtin_strstr, simplify_builtin_strpbrk,
702         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
703         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
704         DEF_ATTR_INT): Likewise.
705         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
706         Likewise.
707         * c-lex.c (interpret_integer, lex_charconst): Likewise.
708         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
709         * c-pretty-print.c (pp_c_integer_constant): Likewise.
710         * c-typeck.c (really_start_incremental_init, push_init_level,
711         set_nonincremental_init_from_string): Likewise.
712         * calls.c (load_register_parameters): Likewise.
713         convert.c (convert_to_pointer): Likewise.
714         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
715         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
716         build_gcov_info): Likewise.
717         * except.c (init_eh, assign_filter_values): Likewise.
718         * expmed.c (store_fixed_bit_field, extract_bit_field,
719         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
720         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
721         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
722         * expr.c (convert_move, emit_group_load, emit_group_store,
723         expand_assignment, store_constructor, store_field,
724         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
725         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
726         invert_truthvalue, optimize_bit_field_compare,
727         decode_field_reference, all_ones_mask_p, constant_boolean_node,
728         fold_div_compare, fold, fold_read_from_constant_string,
729         fold_negate_const, fold_abs_const, fold_not_const, round_up,
730         round_down): Likewise.
731         * function.c (assign_parm_setup_block): Likewise.
732         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
733         Likewise.
734         * stor-layout.c (layout_type, initialize_sizetypes,
735         set_min_and_max_values_for_integral_type): Likewise.
736         * tree-chrec.c (chrec_fold_multiply_poly_poly,
737         reset_evolution_in_loop): Likewise.
738         * tree-chrec.h (build_polynomial_chrec): Likewise.
739         * tree-complex.c (build_replicated_const): Likewise.
740         * tree-eh.c (honor_protect_cleanup_actions,
741         lower_try_finally_onedest, lower_try_finally_copy,
742         lower_try_finally_switch): Likewise.
743         * tree-mudflap.c (mf_build_string, mx_register_decls,
744         mudflap_register_call, mudflap_enqueue_constant): Likewise.
745         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
746         * tree-pretty-print.c (dump_generic_node): Likewise.
747         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
748         Likewise.
749         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
750         * tree-ssa-loop-niter.c (number_of_iterations_cond,
751         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
752         Likewise.
753         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
754         canonicalize_loop_induction_variables): Likewise.
755         * tree-vectorizer.c (vect_create_index_for_array_ref,
756         vect_transform_loop_bound, vect_compute_data_ref_alignment):
757         Likewise.
758
759         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
760         alpha_gimplify_va_arg_1): Likewise.
761         * config/arm/arm.c (arm_get_cookie_size): Likewise.
762         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
763         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
764         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
765         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
766         mips_gimplify_va_arg_expr): Likewise.
767         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
768         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
769         add_compiler_branch_island): Likewise.
770         * config/s390/s390.c (s390_va_start): Likewise.
771         * config/sh/sh.c (sh_va_start): Likewise.
772         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
773         Likewise.
774         * config/xtensa/xtensa.c (xtensa_va_start,
775         xtensa_gimplify_va_arg_expr): Likewise.
776         
777         * objc/objc-act.c (build_objc_string_object,
778         build_objc_symtab_template, init_def_list, init_objc_symtab,
779         init_module_descriptor, generate_static_references,
780         build_selector_translation_table, get_proto_encoding,
781         build_typed_selector_reference, build_selector_reference,
782         build_next_objc_exception_stuff,
783         build_method_prototype_list_template, generate_descriptor_table,
784         generate_protocols, build_protocol_initializer,
785         build_ivar_list_template, build_method_list_template,
786         build_ivar_list_initializer, generate_ivars_list,
787         generate_dispatch_table, generate_protocol_list,
788         build_category_initializer, build_shared_structure_initializer,
789         generate_shared_structures, handle_impent,
790         generate_objc_image_info): Likewise.
791
792 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
793
794         * cfglayout.c (duplicate_insn_chain): Remove references to
795         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
796         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
797         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
798         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
799         and NOTE_INSN_LOOP_CONT.
800         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
801         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
802         and NOTE_INSN_LOOP_CONT.
803         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
804         check_dbra_loop, loop_dump_aux): Remove references to removed notes
805         and fields.
806         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
807         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
808         references to removed notes and fields.
809         (subtract_reg_term, ujump_to_loop_cont): Remove.
810
811 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
812
813         * doc/install.texi: Document that libcpp does not require
814         Automake any longer.  Document that Automake 1.9.1 should
815         work everywhere.
816
817 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
818
819         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
820         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
821         DWARF_DEBUGGING_INFO from choice-of-definition chain;
822         restructure using C89 features (#elif, #error).
823         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
824         * config/sh/sh.h: Remove references to DWARF_DEBUG.
825         * doc/invoke.texi: Remove references to DWARF version 1;
826         clarify why -gdwarf-2<n> doesn't work.
827
828 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
829
830         * basic-block.h (BB_SET_PARTITION): Clear old value first.
831         * cfg.c (clear_bb_flags): Don't clear partition setting.
832         * ifcvt.c (find_if_case_1): Remove ??? comment.
833
834 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
835
836         PR target/17052
837         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
838         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
839         current_function_stdarg in place of sysv_varargs_p.
840         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
841         sysv_varargs_p.
842
843 2004-08-24  Richard Henderson  <rth@redhat.com>
844
845         PR target/16298
846         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
847         random codes within CONST.
848
849 2004-08-24  James E Wilson  <wilson@specifixinc.com>
850
851         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
852         -freorder-blocks-and-partition.
853
854 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
855
856         PR middle-end/17044
857         * tree-ssa-threadupdate.c (redirection_data): Make static.
858         (thread_block): Use ggc_alloc_cleared to allocate struct
859         redirection_data.  Don't free elements in redirection_data.
860
861 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
862
863         * config/mips/predicates.md (small_data_pattern): Match prefetches.
864
865 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
866
867         PR tree-optimization/17016
868         * tree-ssa-loop-niter.c (number_of_iterations_cond,
869         number_of_iterations_exit): Use POINTER_TYPE_P instead
870         of testing for POINTER_TYPE.
871
872 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
873
874         * tree-ssa-loop-ivcanon.c: New file.
875         * tree-ssa-loop-manip.c (create_iv): New function.
876         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
877         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
878         * cfgloop.c (mark_single_exit_loops): New function.
879         (verify_loop_structure): Verify single-exit loops.
880         * cfgloop.h (struct loop): Add single_exit field.
881         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
882         (mark_single_exit_loops): Declare.
883         (tree_num_loop_insns): Declare.
884         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
885         (duplicate_loop_to_header_edge): Use it.
886         * common.opt (fivcanon): New flag.
887         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
888         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
889         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
890         (bsi_insert_on_edge_immediate): New function.
891         * tree-flow.h (bsi_insert_on_edge_immediate,
892         canonicalize_induction_variables, tree_unroll_loops_completely,
893         create_iv): Declare.
894         * tree-optimize.c (init_tree_optimization_passes): Add
895         pass_iv_canon and pass_complete_unroll.
896         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
897         * tree-scalar-evolution.c (get_loop_exit_condition,
898         get_exit_conditions_rec, number_of_iterations_in_loop,
899         scev_initialize): Use single_exit information.
900         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
901         missing assumptions.
902         (loop_niter_by_eval):  Return number of iterations as unsigned
903         int.
904         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
905         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
906         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
907         New passes.
908         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
909         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
910         the defining statement is ready.
911         * tree-vectorizer.c (vect_create_iv_simple): Removed.
912         (vect_create_index_for_array_ref, vect_transform_loop_bound):
913         Use create_iv.
914         (vect_transform_loop_bound): Use single_exit information.
915         (vect_analyze_loop_form): Cleanup bogus tests.
916         (vectorize_loops): Do not call flow_loop_scan.
917         * tree.h (may_negate_without_overflow_p): Declare.
918         * fold-const.c (may_negate_without_overflow_p): Split out from ...
919         (negate_expr_p): ... this function.
920         (tree_expr_nonzero_p): Handle overflowed constants correctly.
921         * doc/invoke.texi (-fivcanon): Document.
922         * doc/passes.texi: Document canonical induction variable creation.
923
924 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
925
926         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
927         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
928         using the mode of the operand to decide between them.
929         * config/mips/mips.md (MOVECC): New mode macro.
930         (ccreg): New mode attribute.
931         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
932         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
933         (mov[sd]icc): Redefine using :GPR.
934
935 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
936
937         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
938         (mips_prefetch_cookie): New function.
939         * config/mips/mips.c (print_operand_address): Fix handling of
940         ADDRESS_CONST_INT.
941         (mips_emit_prefetch): Delete.
942         (mips_prefetch_cookie): New function.
943         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
944         mode of QImode for the address_operand.  Use mips_prefetch_cookie
945         to calculate the first "pref" operand.
946         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
947         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
948
949 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
950
951         * arm.md: Include predicates.md.
952         * predicates.md: New file.
953         * arm.c (s_register_operand, arm_hard_register_operand)
954         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
955         (arm_immediate_operand, arm_neg_immediate_operand)
956         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
957         (arm_add_operand, arm_addimm_operand, arm_not_operand)
958         (offsettable_memory_operand, alignable_memory_operand)
959         (arm_reload_memory_operand, arm_float_rhs_operand)
960         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
961         (index_operand, shiftable_operator, logical_binary_operator)
962         (shift_operator, equality_operator, arm_comparison_operator)
963         (minmax_operator, cc_register, dominant_cc_register)
964         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
965         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
966         (const_shift_operand, load_multiple_operation)
967         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
968         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
969         (cirrus_register_operand, cirrus_fp_register)
970         (cirrus_shift_const): Delete, replaced with equivalents in
971         predicates.md.
972         (shift_op): Handle ROTATE.
973         * arm-protos.h: Delete declarations for above.
974         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
975         * t-arm (MD_INCLUDES): Add predicates.md.
976         (s-preds): Depends on MD_INCLUDES.
977
978 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
979
980         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
981         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
982         patterns.  Redefine using :GPR.  Give the match_operator a mode.
983         Use '%2' rather than '%z2' for operand 2.
984
985 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
986
987         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
988         attribute.
989
990 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
991
992         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
993         of internal patterns.
994         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
995         Redefine using :P.
996         (tablejump): Use expand_binop to calculate address.  Adjust names
997         of internal patterns.
998         (tablejump[sd]i): Renamed from tablejump_internal[12].
999         Redefine using :P.
1000         (tablejump_mips16[12]): Delete.
1001
1002 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1003
1004         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
1005         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
1006         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
1007         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
1008         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
1009
1010 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
1011
1012         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
1013         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
1014         using :GPR.
1015         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
1016         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
1017         (*branch_equality[sd]i_inverted): Likewise
1018         branch_equality{,_di}_inverted.
1019         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
1020         Redefine using :GPR.
1021
1022 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1023
1024         * rtl.def: Reorganize, placing all codes used only in machine
1025         descriptions at the end.
1026
1027         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
1028         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
1029         rtx_name, rtx_format arrays by direct reference to rtl.def,
1030         first undefining GENERATOR_FILE.  Define enum insn_note and
1031         note_insn_name array by direct reference to insn-notes.def.
1032         (adjust_field_rtx_def): Remove local definition of rtx_name.
1033         Use symbolic names for insn notes.
1034         * Makefile.in (gengtype.o): Update dependencies.
1035
1036 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
1037
1038         * basic-block.h (struct basic_block_def): Reorder fields to
1039         eliminate interior padding.  Remove 'partition' field.
1040         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
1041         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
1042         (BB_COPY_PARTITION): New macros.
1043         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
1044         Replace all references to the 'partition' field of a basic
1045         block with new macros.
1046
1047         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1048         * final.c (final_scan_insn): Don't handle it.
1049         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
1050         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
1051         * sched-rgn.c (sched_is_disabled_for_current_region_p):
1052         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
1053
1054 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1055
1056         * c-decl.c (c_init_decl_processing): Adjust
1057         build_common_tree_nodes call.
1058         * expmed.c (const_mult_add_overflow_p): Use
1059         build_distinct_type_copy.
1060         * stor-layout.c (early_type_list): Remove.
1061         (layout_type): Don't append to early_type_list.
1062         (initialize_sizetypes): Add signed_p argument.
1063         (set_sizetype): Overwrite the stub type nodes directly.
1064         * tree.c (copy_node_stat): Clear a type's value cache here ...
1065         (build_distinct_type): ... not here.
1066         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
1067         * tree.h (initialize_sizetypes): Add signed_p argument.
1068         (build_common_tree_nodes): Likewise.
1069
1070         * objc/objc-act.c (get_static_reference): Use
1071         build_variant_type_copy.
1072         (get_protocol_reference): Likewise.
1073         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
1074
1075 2004-08-24  Richard Henderson  <rth@redhat.com>
1076             Andrew Pinski  <apinski@apple.com>
1077
1078         * gimplify.c (gimplify_array_ref_to_plus): Delete.
1079         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
1080         for ARRAY_REF.
1081
1082         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
1083         ARRAY_REF also to get to the STRING_CST.
1084
1085 2004-08-24  Paul Brook  <paul@codesourcery.com>
1086
1087         * config/arm/arm.c (arm_override_options): Update error message.
1088         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
1089         TARGET_HARD_FLOAT_ABI.
1090         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
1091         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
1092
1093 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1094
1095         PR target/17093
1096         * config/m32r.md (movsi_sda): Add SI mode specification to
1097         UNSPEC.
1098
1099 2004-08-24  Nick Clifton  <nickc@redhat.com>
1100
1101         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
1102         of seth_add3_operand.
1103
1104 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
1105
1106         * Makefile.in (PROTO_OBJS): Add errors.o.
1107         * protoize.c (fancy_abort): Remove.
1108         * mips-tfile.c (fancy_abort): Add parameters.
1109
1110 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
1111
1112         * doc/trouble.texi (C++ misunderstandings): Fix example code.
1113
1114 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
1115
1116         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
1117         (host-default.o): Add dependency on HOOKS_H.
1118         * config/x-linux: Likewise.
1119         * config/x-solaris: Likewise.
1120         * config/i386/x-mingw32: Likewise.
1121         * config/rs6000/x-darwin: Likewise.
1122
1123 2004-08-23  James E Wilson  <wilson@specifixinc.com>
1124
1125         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
1126         DEF_REG_NOTE.
1127
1128 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
1129
1130         PR c/14492
1131         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
1132
1133 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
1134
1135         * cfg.c (check_bb_profile): Fix typos.
1136         * function.c (assign_parm_is_stack_parm): Likewise.
1137         * tree-nested.c: Likewise.
1138
1139 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
1140
1141         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
1142         Remove TYPECODE.
1143         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
1144
1145 2004-08-23  Eric Christopher  <echristo@redhat.com>
1146
1147         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
1148         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
1149         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
1150         * target.h: Ditto.
1151         * hooks.h: Include machmode.h.
1152         (hook_bool_mode_false): Declare.
1153         * hooks.c (hook_bool_mode_false): Define.
1154         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
1155         * stor-layout.c (layout_type): Ditto.
1156         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
1157         Define to target macro.
1158         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
1159         * config/arm/arm.c: Ditto. Use.
1160         * config/arm/arm.h: Ditto.
1161         * config/arm/arm-protos.h: Ditto.
1162         * config/i386/i386.c: Ditto.
1163         * config/i386/i386.h: Ditto.
1164         * config/rs6000/rs6000.c: Ditto.
1165         * config/rs6000/rs6000.h: Ditto.
1166         * config/sh/sh.c: Ditto.
1167         * config/sh/sh.h: Ditto.
1168         * config/sh/sh-protos.h: Ditto.
1169         * config/sh/sh.md: Use.
1170         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
1171         to TARGET_VECTOR_MODE_SUPPORTED_P.
1172
1173 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
1174
1175         * Makefile.in (BUILD_ERRORS): Set to build-errors.
1176         (errors.o): New target for host.
1177         (build-errors.o): New target for build.
1178         (genobjs): Replace errors.o with build-errors.
1179         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
1180         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
1181         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
1182         (fix-header.o): Add errors.h
1183         * collect2.c (fancy_abort): Add parameters.
1184         * collect2.h (fancy_abort): Don't declare.
1185         * errors.h (fancy_abort): Don't declare.
1186         * errors.c: Include either bconfig.h or config.h.
1187         (fancy_abort): Trim filename.
1188         * fix-header.c (v_fatal, fatal): Remove.
1189         (progname): Remove definition.
1190         (main): Set progname here.
1191         * gcc.c (fancy_abort): Add parameters.
1192         * gcc.h (fancy_abort): Remove declaration.
1193         * gcov.c (fancy_abort): Remove.
1194         * rtl.h (fancy_abort): Don't declare.
1195         (abort): Don't define.
1196         * tree.h (fancy_abort): Don't declare.
1197         (abort): Don't define.
1198         * system.h (fancy_abort): Declare.
1199         (abort): Define to fancy_abort.
1200         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
1201
1202         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
1203         (usize_type, ubitsizetype): Remove.
1204         * stor-layout.c (set_sizetype): Don't initialize usizetype,
1205         ubitsizetype.
1206         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
1207
1208         * tree.h (build_distinct_type_copy): New.
1209         (build_type_copy): ... here.  Rename to ...
1210         (build_variant_type_copy): ... here.
1211         * tree.c (build_qualified_type): Rename build_type_copy call.
1212         (build_distinct_type_copy): New, broken out of ...
1213         (build_type_copy): ... here.  Rename to ...
1214         (build_variant_type_copy): ... here.  Use
1215         build_distinct_type_copy.
1216         (build_common_tree_nodes_2): Rename build_type_copy call.
1217         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
1218         call.
1219         (handle_packed_attribute, handle_unused_attribute,
1220         handle_transparanet_union_attribute, handle_aligned_attribute,
1221         handle_deprecated_attribute): Likewise.
1222         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
1223         Likewise.
1224         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
1225         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
1226         build_distinct_type_copy.
1227
1228 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1229
1230         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
1231         attribute.
1232
1233 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1234
1235         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
1236         loads and stores.
1237         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
1238         formerly unnamed patterns.  Redefine using :P for the address.  Remove
1239         explicit length attributes.
1240
1241 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1242
1243         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
1244         New functions.
1245         (single_reachable_address): Use them.
1246         (schedule_sm): Add dump.
1247         (is_call_clobbered_ref): New function.
1248         (determine_lsm_reg): Check whether the reference is call clobbered.
1249         Only work for gimple_reg_type values.
1250
1251 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1252
1253         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
1254         $31 store insns.  Redefine using :GPR.
1255
1256 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1257
1258         * config/mips/mips.md (P): New mode macro.
1259         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
1260         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
1261         Add mode attributes.
1262
1263 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1264
1265         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
1266         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
1267         later constants to cover the gap.
1268         (load, store): New mode attributes.
1269         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
1270         Use new unspec constants.
1271
1272 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1273
1274         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
1275         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
1276         to use register_operand rather than uns_arith_operand as the predicate
1277         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
1278         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
1279         Redefine using :GPR.  Make same predicate change here.  Extend the
1280         commutativity of operands 1 and 2 from the SImode version to the
1281         DImode one.
1282         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
1283         but with no predicate changes.
1284         (*nor[sd]i3): Redefine using :GPR.
1285
1286 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1287
1288         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
1289         noreturn functions.
1290
1291 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1292
1293         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
1294         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
1295         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
1296         rather than "%z2" (with a fake const0_rtx for operand 2).
1297         (ffs[sd]i2): Redefine using :GPR.
1298         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
1299
1300 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1301
1302         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
1303
1304 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1305
1306         * config/mips/mips.md (any_extend): New code macro.
1307         (u, su): New code attributes.
1308         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
1309         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
1310         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
1311         (*{s,u}mul_acc_di): Redefine using any_extend.
1312         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
1313         to reflect real insn names.
1314         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
1315         with an any_extend template.
1316         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
1317         Add '*' to name.
1318
1319 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1320
1321         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
1322         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
1323         (mul[sd]i3_r4000): Redefine using :GPR.
1324         (mulsi3_mult3): Don't check TARGET_MAD separately.
1325         (muldi3_mult3): Moved after mulsi_mult3.
1326
1327 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1328
1329         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
1330         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
1331         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
1332         (TARGET_GAS, TARGET_MIPS_AS): Delete.
1333         (TARGET_GPWORD): Define to true for n32 on IRIX.
1334         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
1335         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
1336         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
1337         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
1338         (MDEBUG_ASM_SPEC): Delete, folding into...
1339         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
1340         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
1341         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
1342         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
1343         to define asm_abi_default_spec.
1344         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
1345         (TARGET_ASM_SELECT_SECTION): Delete.
1346         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
1347         for non-mips16 code, removing previous workaround for SGI assemblers.
1348         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
1349         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
1350         (override_options): Remove !TARGET_GAS and !have_named_sections code.
1351         (print_operand): Fold TARGET_GAS conditionals into asm strings.
1352         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
1353         ASM_STABS_OP and ASM_STABN_OP.
1354         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
1355         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
1356         (mips_output_function_prologue): Remove !TARGET_GAS code.
1357         (mips_select_rtx_section): Remove !have_named_sections code.
1358         (mips_select_section): Delete.
1359         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
1360         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
1361         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
1362         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
1363         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
1364         * config/mips/windiss.h (ASM_SPEC): Likewise.
1365
1366 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1367
1368         * read-rtl.c (map_value, mapping, macro_group): New structures.
1369         (BELLWETHER_CODE): New macro.
1370         (modes, codes, bellwether_codes): New variables.
1371         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
1372         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
1373         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
1374         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
1375         (add_map_value, initialize_macros): New functions.
1376         (def_hash, def_hash_eq_p): Generalize to anything that points to,
1377         or starts with, a char * field.
1378         (find_macro, read_mapping, check_code_macro): New functions.
1379         (read_rtx_1): New, split out from read_rtx.  Handle the new
1380         define_{mode,code}_{macro,attr} constructs.  Use find_macro
1381         to parse the name of a code or mode.  Use BELLWETHER_CODE to
1382         extract the format and to choose a suitable code for rtx_alloc.
1383         Modify recursive invocations to use read_rtx_1.
1384         (read_rtx): Call initialize_macros.  Apply code and mode macros
1385         to the rtx returned by read_rtx_1.  Cache everything after the
1386         first macro expansion for subsequent read_rtx calls.
1387         * doc/md.texi: Document new .md constructs.
1388         * config/mips/mips.md (GPR): New mode macro.
1389         (d, si8_di5): New mode attributes.
1390         (any_cond): New code macro.
1391         (add[sd]i3): Redefine using :GPR.
1392         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
1393         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
1394         previously unnamed MIPS16 patterns.
1395         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
1396         lines.  Don't match (plus (const_int 0) ...).
1397         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
1398         Use a define_split to generate the addition.
1399         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
1400         (subsi3_internal): Delete.
1401         (*subsi3_extended): Renamed from subsi3_internal_2.
1402         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
1403         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
1404         using an any_cond template.
1405
1406 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1407
1408         * read-rtl.c (read_rtx): Tidy use of format_ptr.
1409
1410 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
1411
1412         * read-rtl.c (string_obstack): New file-scope variable.
1413         (read_string, read_quoted_string, read_braced_string)
1414         (read_escape): Remove obstack parameter and use string_obstack instead.
1415         (read_rtx): Remove function-local rtl_obstack and initialize
1416         string_obstack instead.  Update call to read_string.
1417
1418 2004-08-22  Andrew Pinski  <apinski@apple.com>
1419
1420         PR c/15262
1421         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
1422         expression is not constant.
1423         (c_finish_return): Do not go through INDIRECT_REF when looking
1424         for the inner expression of an ADDR_EXPR for warning about.
1425
1426 2004-08-22  Richard Henderson  <rth@redhat.com>
1427
1428         PR 17075
1429         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
1430         create new blocks and fall through.
1431         (expand_gimple_basic_block): Update to match.
1432
1433 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
1434
1435         * reload.c (find_reloads_address): Make return value tri-state.
1436         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
1437         (find_reloads): Assume that reloaded addresses match 'o' or
1438         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
1439         returned 1 (not -1).  Omit optional reloads for address operands
1440         only if find_reloads_address returned 1 (not -1).
1441
1442         * config/s390/s390.c (legitimize_reload_address): New function.
1443         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
1444         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
1445         legitimize_reload_address.
1446
1447 2004-08-22  Richard Hendersion  <rth@redhat.com>
1448
1449         * tree.h (SAVE_EXPR_RESOLVED_P): New.
1450         * gimplify.c (gimplify_save_expr): Use it.
1451         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
1452         on the temporary variable.
1453
1454 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1455
1456         * fold-const.c (rtl_expr_nonnegative_p): Delete.
1457         * tree.h (rtl_expr_nonnegative_p): Remove.
1458
1459 2004-08-22  Steven Bosscher  <stevenb@suse.de>
1460
1461         * config/i386/ppro.md (ppro_complex_insn): Add missing check
1462         for cpu==pentiumpro.
1463
1464         * combine.c (struct reg_stat): Fix comment typo.
1465
1466 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1467
1468         * c-tree.h (c_sizeof_nowarn): Remove.
1469
1470 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1471
1472         * c-decl.c (set_array_declarator_type): Rename to
1473         set_array_declarator_inner.
1474         (build_c_parm, build_attrs_declarator, build_function_declarator):
1475         New functions.
1476         (make_pointer_declarator): Call build_attrs_declarator.
1477         * c-tree.h (set_array_declarator_type): Rename to
1478         set_array_declarator_inner.
1479         (build_c_parm, build_attrs_declarator, build_function_declarator):
1480         New prototypes.
1481         * c-parse.in (after_type_declarator,
1482         parm_declarator_starttypename, parm_declarator_nostarttypename,
1483         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
1484         firstparm): Use these functions
1485
1486 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1487
1488         * c-decl.c (build_array_declarator, set_array_declarator_type,
1489         start_decl, grokdeclarator, grokparms): Change boolean parameters
1490         to type bool.
1491         * c-tree.h (build_array_declarator, set_array_declarator_type,
1492         start_decl): Update prototypes.
1493         * c-decl.c, c-parse.in: All callers changed.
1494
1495 2004-08-21  Mike Stump  <mrs@apple.com>
1496
1497         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
1498         (darwin_fix_and_continue): Likewise.
1499         (darwin_fix_and_continue_switch): Likewise.
1500         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
1501         (darwin_fix_and_continue): Likewise.
1502         (darwin_fix_and_continue_switch): Likewise.
1503
1504 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
1505
1506         PR  c++/16030
1507         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
1508         Remove, merging into ...
1509         (gen_stdcall_or_fastcall_suffix): New function, returning tree
1510         rather than const char*, and accepting additional parameter.
1511         Don't add suffix to '*'-prefixed symbols or variadic functions.
1512         (i386_pe_encode_section_info): Adjust for call to new function.
1513         Call change_decl_assembler_name.
1514
1515 2004-08-20  Mike Stump  <mrs@apple.com>
1516
1517         * config/darwin.c (machopic_indirect_data_reference): Mark
1518         stubs as defined.
1519         * config/386/386.c (darwin_local_data_pic): Add.
1520         (legitimate_constant_p): Reorder so that PLUS handling runs
1521         before darwin_local_data_pic to match the ordering in
1522         legitimate_pic_address_disp_p and so that MINUS runs after
1523         darwin_local_data_pic as otherwise the darwin_local_data_pic
1524         logic can be skipped, which would be very bad.
1525         (legitimate_pic_address_disp_p): Move from from here to
1526         darwin_local_data_pic so it can be reused.
1527
1528 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
1529
1530         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
1531         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
1532         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
1533         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
1534         (RS6000_ABI_NAME): Define as "linux".
1535         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
1536         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
1537         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
1538         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
1539         * config/rs6000/rs6000.c (dot_symbols): New global var.
1540         (rs6000_output_function_entry): New function, modified for
1541         !DOT_SYMBOLS..
1542         (print_operand <case 'z'>): ..extracted from here.
1543         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
1544         (rs6000_output_function_epilogue): Likewise.
1545         (rs6000_elf_declare_function_name): Likewise.
1546         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
1547         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
1548         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
1549         * configure: Regenerate.
1550         * config.in: Regenerate.
1551
1552 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1553
1554         * reload.c (find_reloads_address): Fix thinko in previous change.
1555
1556         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
1557         a CONST_INT.
1558
1559 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
1560
1561         PR rtl-optimization/17099
1562         * combine.c (force_to_mode): Check if inner_mask has any bits set
1563         outside of GET_MODE (x) instead of op_mode.
1564
1565 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1566
1567         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
1568         fragment.
1569         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
1570         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
1571         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
1572         architecture.
1573         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
1574         configurations.
1575         * config/arm/t-symbian: New file.
1576
1577 2004-08-20  Andrew Pinski  <apinski@apple.com>
1578
1579         * regrename.c (kill_value_regno): ANSIfy.
1580
1581 2004-08-20  Dale Johannesen  <dalej@apple.com>
1582
1583         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
1584
1585 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
1586
1587         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
1588         (kill_value_regno): New function, derived from kill_value.
1589         (kill_value): Update.
1590         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
1591
1592 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
1593
1594         Fix PR tree-optimization/17111
1595         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
1596         of non-value_handles.
1597         (bitmap_set_contains): All constants are in every set.
1598
1599 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1600
1601         * fold-const.c (round_up, round_down): Use build_int_cst.
1602         Optimize common case.
1603
1604 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
1605             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1606
1607         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
1608         one_only_data_section): Rename to som_readonly_data_section,
1609         som_one_only_readonly_data_section and som_one_only_data_section.
1610         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
1611         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
1612         conditional defines.
1613         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
1614         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
1615         string values.
1616         (pa_select_section): Use renamed section functions.
1617         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1618         SOM_READONLY_DATA_SECTION_FUNCTION,
1619         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1620         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
1621         Define here ...
1622         * config/pa/som.h: ... not here.
1623         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1624         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
1625         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1626         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
1627         (READONLY_DATA_SECTION): Use som_readonly_data_section.
1628
1629 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1630
1631         * fold-const.c (int_const_binop): Don't generate non-overflowing
1632         size-types specially.
1633         (fold_convert_const): Likewise.
1634
1635         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
1636         clear cache on copied sizetype.
1637
1638 2004-08-20  Ben Elliston  <bje@au.ibm.com>
1639
1640         * configure.ac: Don't escape apostrophe in --enable-coverage help.
1641         * configure: Regenerate.
1642
1643 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
1644
1645         PR 5620
1646         * gcc.c (struct stat input_stat): Don't define if
1647         HOST_LACKS_INODE_NUMBERS
1648         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
1649         than stat to determine if temp file is same as input file.
1650         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
1651         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
1652
1653 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
1654
1655         * configure.ac (mips*-*-*): Print an error if not using GAS.
1656         * configure: Regenerated.
1657         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
1658         comments about buggy MIPSpro assemblers.
1659         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
1660         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
1661         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
1662         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
1663         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
1664         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
1665         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
1666         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
1667         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
1668         of more general IRIX 6 definitions.
1669         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
1670         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
1671         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
1672         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
1673         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1674         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
1675         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
1676         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
1677         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
1678         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
1679         (LINK_SPEC): Move most of definition to iris.h.
1680         (SUBTARGET_LINK_SPEC): New macro.
1681         (IRIX_STARTFILE_SPEC): Fold into...
1682         (STARTFILE_SPEC): ...here.
1683         (IRIX_ENDFILE_SPEC): Fold into...
1684         (ENDFILE_SPEC): ...here.
1685         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
1686         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
1687         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
1688         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
1689         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
1690         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
1691         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
1692         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1693         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
1694         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
1695         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
1696         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
1697         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
1698         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
1699         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
1700         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
1701         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
1702         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
1703         (TARGET_IRIX6): Define to 1.
1704         (DRIVER_SELF_SPECS): Define.
1705         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
1706         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
1707         (SUBTARGET_LINK_SPEC): New macro.
1708         (IRIX_STARTFILE_SPEC): Fold into...
1709         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
1710         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
1711         (LIB_SPEC, LIBGCC_SPEC): Use them.
1712         (LIB_SPEC): Remove !mabi=* case.
1713         (IRIX_ENDFILE_SPEC): Fold into...
1714         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
1715         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
1716         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
1717         (TARGET_IRIX6): New macro.
1718         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
1719         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
1720         (LABEL_AFTER_LOC): Delete.
1721         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
1722         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
1723         (mips_build_builtin_va_list): Check TARGET_IRIX6.
1724         (override_options): Remove TARGET_SGI_O32_AS-related code.
1725         (irix_output_external_libcall): Make static.
1726         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
1727         LABEL_AFTER_LOC.
1728         (mips_file_start): Tidy guard for ABI sections.  Remove use of
1729         ABICALLS_ASM_OP; use .abicalls instead.
1730         (mips_output_aligned_decl_common, mips_declare_object_name)
1731         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
1732         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
1733         .globl foo .text directives.
1734         (irix_asm_named_section_1, irix_asm_named_section)
1735         (irix_section_align_entry, irix_section_align_htab)
1736         (irix_orig_asm_out_file, irix_section_align_entry_eq)
1737         (irix_section_align_entry_hash, irix_asm_output_align)
1738         (irix_file_start, irix_section_align_1, copy_file_data)
1739         (irix_file_end, irix_section_type_flags): Delete.
1740         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
1741         Use standard section syntax.  Remove protective "jr $31".
1742         (__gcc_fini): Likewise .gcc_fini.
1743         * config/mips/irix-crtn.asm: Adjust sections accordingly.
1744         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
1745         iris5gas.h.
1746         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
1747         from t-irix-gld.
1748         (EXTRA_MULTILIB_PARTS): Define.
1749         * config/mips/t-iris6: Remove bogus comment.
1750         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
1751         * config/mips/iris5gas.h, config/mips/iris5gld.h,
1752         config/mips/iris6gas.h, config/mips/iris6gld.h,
1753         config/mips/t-iris5-as, config/mips/t-iris5-gas
1754         config/mips/t-irix-gld: Delete.
1755         * config/mips/iris.h: New file.
1756         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
1757
1758 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
1759
1760         * postreload.c (reload_cse_move2add): Allow any condjump, but check
1761         that the implicit set isn't clobbered in the jump insn.
1762
1763 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1764
1765         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
1766         * optabs.c (init_optabs): Don't check it.
1767         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
1768         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
1769
1770 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1771
1772         * config/s390/s390.md (s390_warn_framesize_string)
1773         (s390_warn_dynamic_string, s390_stack_size_string)
1774         (s390_stack_guard_string): New global string variables.
1775         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
1776         (s390_stack_guard): New global variables.
1777         (override_options): Added checks for the new options.
1778         (s390_emit_prologue): Emit stack check and trap code and perform
1779         compile time stack size checking.
1780
1781         * config/s390/s390.h (TARGET_OPTIONS): Added new options
1782         "warn-framesize", "warn-dynamicstack", "stack-size" and
1783         "stack-guard".
1784
1785         * doc/invoke.texi: Added documentation for the new options.
1786
1787 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1788
1789         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
1790         to eliminate warning.
1791         (linear_search_fdes): Declare p as unsigned.
1792         (binary_search_mixed_encoding_fdes): Likewise.
1793         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
1794         to eliminate warning.
1795         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
1796         type cast.
1797
1798 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1799
1800         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
1801         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
1802         instead of one.  Check for strictly legitimate address.
1803         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
1804         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
1805
1806 2004-08-19  Eric Christopher  <echristo@redhat.com>
1807
1808         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
1809         * langhooks.h (unsave_expr_now): Ditto.
1810         * tree.h (unsave_expr_1): Remove prototype.
1811         (lhd_unsave_expr_now): Rename to unsave_expr_now.
1812         * tree-inline.c (unsave_expr_1): Move here
1813         from tree.c. Make static.
1814         (unsave_expr_now): Rename from lhd_unsave_expr_now.
1815         * tree-sra.c: Fix up for rename.
1816         * tree-ssa-copy.c: Ditto.
1817         * tree-eh.c: Ditto.
1818         * tree.c (unsave_expr_1): Move to tree-inline.c.
1819
1820 2004-08-19  Caroline Tice  <ctice@apple.com>
1821
1822         * config/i386/cygming.h (switch_to_section):  Fix typo (change
1823         in_unlikely_text_section to in_unlikely_executed_text).
1824
1825 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
1826
1827         * vec.h (VEC_lower_bound): New macro.
1828
1829 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
1830
1831         PR target/16446
1832         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
1833         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
1834         treat each ABI separately.  Deal with n32/n64 complex float arguments.
1835         (function_arg): Add associated complex handling here.
1836
1837 2004-08-19  Richard Henderson  <rth@redhat.com>
1838
1839         * config/arm/arm.c (arm_gen_load_multiple): Use
1840         adjust_automodify_address.  Take base memory and offset instead
1841         of unchanging/struct/scalar bits.
1842         (arm_gen_store_multiple): Likewise.
1843         (arm_gen_movmemqi): Use adjust_automodify_address.
1844         * config/arm/arm-protos.h: Update decls.
1845         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
1846         (store_multiple): Similarly.
1847
1848 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
1849
1850         * regclass.c (globalize_reg): Update call_really_used_regs.
1851
1852 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
1853
1854         * doc/invoke.texi (integer-share-limit): Document.
1855
1856         * tree.h (TYPE_CACHED_VALUES_P): New.
1857         (TYPE_CACHED_VALUES): New.
1858         (TYPE_ORIG_SIZE_TYPE): Adjust.
1859         * tree.def (INTEGER_CST): Update documentation.
1860         * tree.c: Inlcude params.h.
1861         (build_int_cst): Cache small values.
1862         (build_type_copy): Do not copy the value cache.
1863         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
1864         unneeded zeroing.
1865         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
1866         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
1867         cache.
1868         * fold-const.c (force_fit_type): Copy value when setting
1869         overflows.
1870         (int_const_binop): Likewise.
1871         * stor-layout.c: Include params.h
1872         (set_sizetype): Create values cache.
1873         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
1874         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
1875         * params.h (INTEGER_SHARE_LIMIT): New.
1876         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
1877
1878 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
1879
1880         * gimplify.c (gimplify_minimax_expr): Remove.
1881         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
1882
1883 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
1884
1885         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
1886         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
1887
1888 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1889
1890         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
1891
1892 2004-08-18  Andrew Pinski  <apinski@apple.com>
1893
1894         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
1895
1896 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
1897
1898         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
1899         (__aeabi_ul2f): Likewise.
1900
1901 2004-08-18  Richard Henderson  <rth@redhat.com>
1902
1903         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
1904         move to rtl completely.
1905         (struct meminsnbuf, xtensa_emit_block_move): Remove.
1906         (xtensa_find_mode_for_size): Remove.
1907         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
1908         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
1909
1910 2004-08-18  Richard Henderson  <rth@redhat.com>
1911
1912         * config/mcore/mcore.c (mode_from_align): Remove DImode.
1913         (block_move_sequence): Rewrite to use adjust_address.
1914         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
1915         Return boolean indicating success/failure.
1916         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
1917         * config/mcore/mcore.md (movmemsi): Update to match.
1918
1919 2004-08-18  Mike Stump  <mrs@apple.com>
1920
1921         * doc/invoke.texi (-mfix-and-continue): Add support for
1922         fast turn around debugging.
1923         (-ffix-and-continue): Likewise.
1924         (-mindirect-data): Likewise.
1925         (-findirect-data): Likewise.
1926         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
1927         (indirect_data): Likewise.
1928         (machopic_data_defined_p): Likewise.
1929         (machopic_output_indirection): Likewise.
1930         (darwin_encode_section_info): Likewise.
1931         (darwin_fix_and_continue): Likewise.
1932         (darwin_fix_and_continue_switch): Likewise.
1933         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
1934         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
1935         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
1936         (SUBTARGET_OPTIONS): Likewise.
1937         (darwin_fix_and_continue): Likewise.
1938         (darwin_fix_and_continue_switch): Likewise.
1939         (TARGET_FIX_AND_CONTINUE): Likewise.
1940         * config/rs6000.c (rs6000_emit_prologue): Likewise.
1941
1942 2004-08-19  Steven Bosscher  <stevenb@suse.de>
1943
1944         * basic-block.h (struct edge_def): Remove crossing_edge.
1945         (EDGE_CROSSING): New define.
1946         (EDGE_ALL_FLAGS): Update.
1947         * bb-reorder.c (find_traces_1_round, better_edge_p,
1948         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
1949         find_jump_block, fix_crossing_conditional_branches,
1950         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1951         Replace all occurences of crossing_edge with an edge flag check
1952         or set/reset.
1953         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1954         try_crossjump_bb): Likewise.
1955         * cfglayout.c (fixup_reorder_chain): Likewise.
1956         * cfgrtl.c (force_nonfallthru_and_redirect,
1957         commit_one_edge_insertion): Likewise.
1958
1959         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
1960         * tree-flow.h (compute_dominance_frontiers): Move prototype...
1961         * basic-block.h:  ...here.
1962         * tree-cfg.c (compute_dominance_frontiers_1,
1963         compute_dominance_frontiers): Move from here...
1964         * cfganal.c: ...to here.  Include timevar.h.
1965
1966 2004-08-18  James E Wilson  <wilson@specifixinc.com>
1967
1968         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
1969         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
1970
1971         * config/mips/mips.md (type): Add frdiv.
1972         (divsf3+1, divsf3+2): Change type to frdiv.
1973         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
1974         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
1975
1976         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
1977         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
1978         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
1979         * config/mips/5000.md (r5k_fdiv_single): Likewise.
1980         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
1981         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
1982         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
1983         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
1984         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
1985         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
1986         Likewise.
1987         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
1988
1989 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
1990
1991         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
1992         get regression tester working again.
1993
1994 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1995
1996         * insn-notes.def, reg-notes.def: New files.
1997         * rtl.h: Use them to define enum insn_note and enum reg_note.
1998         * rtl.c: Use them to define note_insn_name and reg_note_name.
1999         * Makefile.in (RTL_BASE_H): Update.
2000
2001         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
2002         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2003
2004 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2005
2006         * arm.c (arm_size_rtx_costs): New function.
2007         (arm_override_options): Use it if optimizing for space.
2008
2009 2004-08-18  Richard Henderson  <rth@redhat.com>
2010
2011         * emit-rtl.c (gen_const_mem): New.
2012         * rtl.h (gen_const_mem): Declare.
2013         * expr.c (do_tablejump): Use it.
2014         * varasm.c (force_const_mem): Likewise.
2015         * config/darwin.c (machopic_indirect_data_reference): Likewise.
2016         (machopic_legitimize_pic_address): Likewise.
2017         * config/arm/arm.c (legitimize_pic_address): Likewise.
2018         * config/i386/i386.c (legitimize_pic_address): Likewise.
2019         (legitimize_tls_address): Likewise.
2020         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2021         * config/ia64/ia64.md (load_fptr): Likewise.
2022         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2023         * config/pa/pa.c (legitimize_pic_address): Likewise.
2024         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2025         (rs6000_emit_move): Likewise.
2026         * config/s390/s390.c (legitimize_pic_address): Likewise.
2027         (legitimize_tls_address): Likewise.
2028         * config/s390/s390.md (casesi): Likewise.
2029         * config/sh/sh.c (sh_reorg): Likewise.
2030         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2031         * config/v850/v850.md (casesi): Likewise.
2032
2033         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
2034         * config/sh/sh.c (prepare_move_operands): Remove incorrect
2035         use of MEM_READONLY_P.
2036
2037 2004-08-18  Steven Bosscher  <stevenb@suse.de>
2038
2039         * Makefile.in (OBJS-common): Add postreload-gcse.c.
2040         Add new postreload-gcse.o.
2041         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
2042         (lookup_as_function, insert, rehash_using_reg, use_related_value,
2043         equiv_constant): Use SAFE_HASH instead of safe_hash.
2044         (exp_equiv_p): Export.  Add for_gcse argument when comparing
2045         for GCSE.
2046         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
2047         find_comparison_args, fold_rtx, cse_insn): Update callers.
2048         (hash_rtx): New function derived from old canon_hash and bits
2049         from gcse.c hash_expr_1.
2050         (canon_hash_string): Rename to hash_rtx_string.
2051         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
2052         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
2053         (cselib_lookup): Update this caller.
2054         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
2055         Make static.
2056         (hash_expr): Call hash_rtx.
2057         (ldst_entry): Likewise.
2058         (expr_equiv_p): Call exp_equiv_p.
2059         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
2060         reg_used_on_edge, reg_set_between_after_reload_p,
2061         reg_used_between_after_reload_p, get_avail_load_store_reg,
2062         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
2063         get_bb_avail_insn, hash_scan_set_after_reload,
2064         compute_hash_table_after_reload,
2065         eliminate_partially_redundant_loads, gcse_after_reload,
2066         get_bb_avail_insn, gcse_after_reload_main): Remove.
2067         * postreload-gcse.c: New file, reincarnating most of the above.
2068         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
2069         (gcse_after_reload_main): Update prototype.
2070         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
2071         * passes.c (rest_of_handle_gcse2): Use it.
2072
2073 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2074
2075         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
2076         (pass_loop_done): Likewise.
2077
2078 2004-08-18  Andrew Pinski  <apinski@apple.com>
2079
2080         * config/rs6000/darwin.md: Delete the altivec patterns which are
2081         handled differently now.
2082         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
2083         (macho_correct_pic_di): Likewise.
2084         (call_indirect_nonlocal_darwin64): Likewise.
2085         Delete the save world/saveFP/saveVec patterns.
2086
2087         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
2088         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2089         * config/rs6000/rs6000.md: Include darwin.md.
2090         (builtin_setjmp_receiver): Add DImode case.
2091         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2092         Darwin bits.
2093
2094 2004-08-18  Matt Austern  <austern@apple.com>
2095
2096         Dead code stripping
2097         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
2098         * darwin.c (darwin_file_end): Mark file as potentially strippable.
2099
2100 2004-08-18  Richard Henderson  <rth@redhat.com>
2101
2102         * alias.c (readonly_fields_p): Remove.
2103         (objects_must_conflict_p): Don't call it.
2104         * tree.h (readonly_fields_p): Remove.
2105         * langhooks.h (struct lang_hooks): Remove honor_readonly.
2106         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
2107
2108 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2109
2110         * tree-dfa.c (add_referenced_var): Only global variables are
2111         call-clobbered.
2112         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
2113         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
2114         all pointers dereferenced if the statement dereferences them.
2115         (create_name_tags): Do not create memory tags for pointers
2116         that have PT_ANYTHING set.
2117         Also check if PT_VARS is not empty before creating a name tag.
2118         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
2119         variables that share the same alias set with a pointer that
2120         may point anywhere.
2121         (add_may_alias): Add FIXME comment to remove clobbering
2122         aliased variables and tags.
2123         (replace_may_alias): Likewise.
2124         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
2125         (merge_pointed_to_info): If the original variable has not
2126         points-to information, call set_pt_anything.
2127         (add_pointed_to_var): Do not prevent adding a pointed-to
2128         variable if the pointers is PT_ANYTHING.
2129         If the variable is a global, set PT_GLOBAL_MEM.
2130         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
2131         pointer type only come in PTR+OFFSET flavours.
2132         Always call merge_pointed_to_info on PHI arguments that are
2133         SSA_NAMEs.
2134         (get_nmt_for): Mark call-clobbered tags whose pointer points
2135         to global memory.
2136         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
2137         values.
2138         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
2139         FLAGS.
2140         (add_stmt_operand): Abort if the caller tried to add a killing
2141         definition for a memory tag.
2142         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
2143         unnecessary checks.
2144
2145 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
2146
2147         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
2148         from call_used_regs.  Update call_really_used_regs.
2149         (CALL_REALLY_USED_REGISTERS): Define.
2150         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
2151         Replace call_used_regs with call_really_used_regs.
2152         (calc_live_regs, sh_media_register_for_return): Likewise.
2153         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
2154         * sh.md (return_media): Likewise.
2155
2156 2004-08-18  Andrew Pinski  <apinski@apple.com>
2157
2158         * config/darwin.c (machopic_legitimize_pic_address): Only set
2159         MEM_READONLY_P in the non TARGET_TOC case.
2160
2161 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2162
2163         * rtl.def (NIL): Delete.
2164         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
2165         Tighten the syntax a little.
2166
2167         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
2168         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
2169         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
2170         * config/i386/predicates.md, config/m32r/m32r.h
2171         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
2172         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
2173         * config/sparc/sparc.h, doc/tm.texi:
2174         Replace all occurrences of NIL with UNKNOWN.
2175
2176 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
2177
2178         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
2179         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
2180         sequence inline.  Move drop_through_label code into this
2181         block, being the only place it is used.  Adjust comments.
2182
2183 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
2184
2185         * config/rs6000/altivec.md: Add new patterns for calls to
2186         save_world/rest_world functions.
2187
2188         * config/rs6000/rs6000-protos.h: (save_world_operation,
2189         restore_world_operation) new declarations.
2190
2191         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
2192         field added.
2193         (rs6000_stack_info): Set world_save_p field.
2194         (save_world_operation): New function.
2195         (restore_world_operation): New function.
2196         (compute_save_world_info): New function.
2197         (rs6000_stack_info): Call compute_save_world_info.
2198         (rs6000_emit_prologue): Check for world_save_p and generate
2199         pattern to call save_world for saving all non-volatile and
2200         special registers.
2201         (rs6000_emit_epilogue): Check for world_save_p and generate
2202         pattern to call rest_world to restore saved registers.
2203
2204         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
2205         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
2206         (rs6000_reg_names): New entries added for save_world_operation and
2207         restore_world_operation.
2208
2209 2004-08-18  Caroline Tice  <ctice@apple.com>
2210
2211         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
2212         "-freorder-blocks-and-partition" to the flags used in second
2213         stage of profiledbootstrap.
2214         * bb-reorder.c (push_to_next_round_p): Add new variable,
2215         next_round_is_last; set and use variable to make sure, when
2216         partitioning, that the last trace construction round consists
2217         of all (and only) cold basic blocks.
2218         (rotate_loop): Don't copy blocks that end in a section
2219         crossing jump.
2220         (copy_bb): Correctly initialize "partition" of duplicated bb.
2221         (add_unlikely_executed_notes): Add a comment.
2222         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
2223         to make sure, if function contains hot blocks, that the
2224         successors of ENTRY_BLOCK_PTR are hot; also, only look for
2225         crossing edges if the architecture supports named sections.
2226         (mark_bb_for_unlikely_executed_section): Modify to always
2227         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
2228         the basic block note insn.
2229         (fix_crossing_unconditional_branches): Remove extra space.
2230         (fix_edges_for_rarely_executed_code): Modify to only do
2231         partitioning work if the architecture supports named sections.
2232         (reorder_basic_blocks): Modify to only add
2233         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
2234         supports named sections.
2235         * c-common.c (handle_section_attribute): Initialize new global
2236         variable, user_defined_section_attribute, to true if user has
2237         specified one.
2238         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
2239         forward edges that cross section boundaries.
2240         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
2241         partitioning information if the architecture supports named
2242         sections.
2243         * cfgrtl.c (target.h): Add statement to include this.
2244         (rtl_split_block): Make sure newly created bb gets correct
2245         partition.
2246         (try_redirect_by_replacing_jump): Make sure redirection isn't
2247         attempting to cross section boundaries.
2248         (force_nonfallthru_and_redirect): Only do partition fix up if
2249         architecture supports named sections.
2250         (rtl_split_edge): Make sure newly created bb ends up in
2251         correct partition.
2252         (commit_one_edge_insertion): Remove code that incorrectly
2253         updated basic block partition; Make sure partition fix up only
2254         happens if architecture supports named sections and it's not
2255         already done.
2256         (rtl_verify_flow_info_1): Fix if-condition on test/error
2257         condition that fallthru edges are not allowed to cross section
2258         boundaries.
2259         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
2260         * final.c (final_scan_insn): Remove redundant test from if-statement;
2261         change calls to text_section into calls to function_section; add code
2262         to only to partitioning fix up if architecture supports named
2263         sections.
2264         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
2265         partition.
2266         (if_convert): Add targetm.have_named_sections to test.
2267         * output.h (unlikely_section_label): Extern declaration for new global
2268         variable.
2269         (unlikely_text_section_name): Likewise.
2270         * opts.c (decode_options): If both partitioning and DWARF debugging
2271         are turned on, issue a warning that this doesn't work, and change
2272         partitiong to basic block reordering (without hot/cold partitions).
2273         * passes.c (rest_of_handle_final): Re-set new global variable,
2274         user_defined_section_attribute, to false.
2275         (rest_of_compilation): Change options for calling partitioning
2276         function: Don't call if the user defined the section attribute, and
2277         don't call if DECL_ONE_ONLY is true for the current function.
2278         * predict.c (choose_function_section): Return immediately if we
2279         are doing hot/cold partitioning (i.e. let the basic block partitioning
2280         determine where the function belongs).
2281         * reg-stack.c (emit_swap_insn): Add condition to step over
2282         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
2283         * toplev.c (user_defined_section_attribute): New global variable.
2284         * toplev.h (user_defined_section_attribute): Extern declaration
2285         for new global variable.
2286         * varasm.c (unlikely_section_label): New global variable.
2287         (unlikely_text_section_name): New global variable.
2288         (unlikely_text_section): Add code to initialize
2289         unlikely_text_section_name if necessary; modify to use
2290         unlikely_text_section_name and unlikely_section_label; also to use
2291         named_section properly.
2292         (in_unlikely_text_section):  Modify to work correctly with
2293         named_section and to use unlikely_text_section_name.
2294         (named_section):  Add code to work properly with cold section.
2295         (function_section): Clean up if-statement.
2296         * config/darwin.c (darwin_asm_named_section): Return to original
2297         code, removing use of SECTION_FORMAT_STRING.
2298         * config/arm/pe.h (switch_to_section):  Add case for
2299         in_unlikely_executed_text to switch statement.
2300         * config/i386/cygming.h (switch_to_section): Likewise.
2301         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2302         (SECTION_FORMAT_STRING): Likewise.
2303         * config/mcore/mcore.h (switch_to_section): Likewise.
2304         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
2305         (SECTION_FORMAT_STRING): Remove.
2306
2307 2004-08-18  Roger Sayle  <roger@eyesopen.com>
2308
2309         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
2310         -ffixed-reg safe, by preserving the meanings of zero and one.
2311         (CALL_USED_REGISTERS): Likewise.
2312         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
2313
2314 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2315
2316         * config/sh/sh.c (split_branches): Check the result of
2317         next_active_insn.
2318         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
2319         Call rtl_register_cfg_hooks.
2320
2321 2004-08-18  Richard Henderson  <rth@redhat.com>
2322
2323         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2324         * alias.c (true_dependence): Update to match new semantics.
2325         (canon_true_dependence, write_dependence_p): Likewise.
2326         (anti_dependence, output_dependence): Update write_dependence_p args.
2327         (unchanging_anti_dependence): Remove.
2328         * calls.c (purge_mem_unchanging_flag): Remove.
2329         (fixup_tail_calls): Don't call it.
2330         (expand_call): Don't add unchanging memory to function usage.
2331         * expr.c (emit_block_move_via_libcall): Likewise.
2332         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
2333         (get_subtarget): Don't use RTX_UNCHANGING_P.
2334         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
2335         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
2336         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
2337         * cse.c (insert): Don't use RTX_UNCHANGING_P.
2338         (cse_insn, canon_hash): Use MEM_READONLY_P.
2339         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
2340         instead of RTX_UNCHANGING_P.
2341         * explow.c (maybe_set_unchanging): Remove.
2342         * expr.h (maybe_set_unchanging): Remove.
2343         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
2344         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
2345         (assign_parm_setup_reg, expand_function_start): Likewise.
2346         * integrate.c (copy_rtx_and_substitute): Likewise.
2347         * ra-rewrite.c (emit_colors): Likewise.
2348         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
2349         (fixup_match_1): Likewise.
2350         * reload1.c (reload, alter_reg): Likewise.
2351         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
2352         not RTX_UNCHANGING_P.
2353         (equiv_init_varies_p): Likewise.
2354         * loop-invariant.c (check_maybe_invariant): Likewise.
2355         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
2356         * loop.c (note_addr_stored): Likewise.
2357         (prescan_loop): Likewise. Don't check function usage for clobbered
2358         unchanging memory.
2359         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
2360         not RTX_UNCHANGING_P.
2361         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
2362         * varasm.c (force_const_mem): Likewise.
2363         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
2364         * web.c (entry_register): Likewise.
2365         * tree-gimple.h (get_base_address): Move decl ...
2366         * tree.h: ... here.
2367         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
2368
2369         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
2370         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
2371         (alpha_set_memflags): Update to match.
2372
2373         * config/darwin.c (machopic_indirect_data_reference): Set
2374         MEM_READONLY_P instead of RTX_UNCHANGING_P.
2375         (machopic_indirect_call_target): Likewise.
2376         (machopic_legitimize_pic_address): Likewise.
2377         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
2378         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
2379         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
2380         * config/frv/frv.md (symGOT2reg): Likewise.
2381         * config/i386/i386.c (legitimize_pic_address,
2382         legitimize_tls_address, ix86_split_to_parts): Likewise.
2383         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2384         * config/ia64/ia64.md (load_fptr): Likewise.
2385         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
2386         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
2387         * config/mcore/mcore.c (block_move_sequence): Likewise.
2388         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
2389         * config/pa/pa.c (legitimize_pic_address): Likewise.
2390         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2391         (rs6000_emit_move): Likewise.
2392         * config/s390/s390.c (legitimize_pic_address): Likewise.
2393         (legitimize_tls_address): Likewise.
2394         * config/s390/s390.md (casesi): Likewise.
2395         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
2396         * config/sh/sh.md (symGOT2reg): Likewise.
2397         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
2398         * config/v850/v850.md (casesi): Likewise.
2399
2400         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
2401         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
2402         * config/mips/mips.c (mips_restore_gp): Likewise.
2403         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
2404         * config/sh/sh.c (sh_reorg): Likewise.
2405
2406 2004-08-18  Richard Henderson  <rth@redhat.com>
2407
2408         * tree.h (struct tree_decl): Add gimple_formal_temp.
2409         (DECL_GIMPLE_FORMAL_TEMP_P): New.
2410         * gimplify.c (pop_gimplify_context): Clear it.
2411         (lookup_tmp_var): Set it, if is_formal.
2412         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
2413         Use is_gimple_val for VECTOR.  Simplify return value.
2414         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
2415         (gimplify_expr): Likewise.
2416         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
2417         is_gimple_tmp_rhs for clarity.  Update all callers.
2418         (is_gimple_reg_rhs): Simplify logic.
2419         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
2420         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
2421         (is_gimple_formal_tmp_reg): Similarly.
2422         * tree-gimple.h: Update decls.
2423         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
2424         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
2425         * tree-ssa-live.c (var_union, type_var_init): Likewise.
2426
2427 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
2428
2429         * c4x.c (legitimize_operands): Remove calls to
2430         preserve_subexpressions_p.
2431
2432 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
2433
2434         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
2435         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
2436
2437 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
2438
2439         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
2440         Objective-C++ extensions.
2441         * gengtype.c (get_file_basename): Match entire subdirectory name
2442         ('cp', 'objc', 'objcp') rather than just its suffix.
2443         (get_base_file_bitmap): Allow for files to belong to more than one
2444         language.
2445         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
2446         used by more than one front-end.
2447
2448 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2449
2450         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
2451         avoid use of preserve_subexpressions_p.
2452
2453 2004-08-17  Richard Henderson  <rth@redhat.com>
2454
2455         PR 17051
2456         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
2457
2458 2004-08-17  DJ Delorie  <dj@redhat.com>
2459
2460         * doc/extend.texi: Document new xstormy16 attribute.
2461
2462         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
2463         (xstormy16_splittable_below100_or_register): New.
2464         (combine_bnp): New.
2465         (xstormy16_reorg): New.
2466         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2467
2468         * config/stormy16/stormy16.md (movqi_internal): Make name public.
2469         (movhi_internal): Likewise.
2470         (cbhranchhi): Likewise.
2471         (cbhranchhi_neg): Likewise.
2472         (andhi3): Only allow splittable below100 operands.
2473         (iorhi3): Likewise.
2474         (peephole2): New and/zero_extend->and peephole.
2475         (peephole2): New load/ior/save->set1 peephole.
2476         (peephole2): New load/and/save->clr1 peephole.
2477         (bclrx, bclrx2, bclr7, bclr15): New.
2478         (bsetx, bsetx2, bset7, bset15): New.
2479
2480         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
2481         liberal about acceptable 'B' masks.
2482
2483         * config/stormy16/stormy16-protos.h
2484         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2485         xstormy16_below100_operand, xstormy16_below100_or_register,
2486         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2487         (PREDICATE_CODES): Add new predicates.
2488
2489         * config/stormy16/stormy16.c
2490         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2491         xstormy16_below100_operand, xstormy16_below100_or_register,
2492         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2493         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
2494         (xstormy16_legitimate_address_p): Allow below100 symbols.
2495         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
2496         (xstormy16_expand_move): Leave below100 operands as-is.
2497         (xstormy16_encode_section_info): Encode below100 symbols.
2498         (xstormy16_strip_name_encoding): New.
2499         (xstormy16_print_operand): Print 'b' as shift mask.
2500         (xstormy16_attribute_table): Add below100 attributes.
2501         (xstormy16_handle_below100_attribute): New.
2502
2503         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
2504         (XSTORMY16_SECTION_FUNCTION): New.
2505         (EXTRA_SECTION_FUNCTIONS): Define using the above.
2506         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
2507         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
2508         (ASM_OUTPUT_LABELREF): Define.
2509
2510         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
2511         (movhi_internal): Add below100 support.
2512         (andhi3): Add below100 support.
2513         (iorhi3): Add below100 support.
2514         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
2515
2516 2004-08-17  James E Wilson  <wilson@specifixinc.com>
2517
2518         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
2519         of VOIDmode for comparison code mode.
2520         * config/mips/mips.md: For conditional move patterns, use mode of
2521         first compare operand for comparison mode, instead of VOIDmode.
2522
2523         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
2524         normal and -ffast-math code.
2525
2526 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
2527
2528         PR c++/15871
2529         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
2530
2531 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
2532
2533         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
2534
2535 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
2536
2537         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
2538         for non Darwin targets.
2539         (*call_value_nonlocal_darwin64): Likewise.
2540
2541 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
2542
2543         * config/rs6000/rs6000.c (rs6000_function_value): Check for
2544         altivec mode for altivec return register.
2545
2546 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
2547
2548         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
2549         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2550         * config/rs6000/rs6000.md: Include darwin.md.
2551         (builtin_setjmp_receiver): Add DImode case.
2552         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2553         Darwin bits.
2554
2555 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
2556
2557         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
2558         trees.
2559         * tree-vectorizer.h: New File: Same.
2560         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
2561         * common.opt (ftree-vectorize): New flag to enable vectorization.
2562         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
2563         vectorization pass.
2564         * tree-data-ref.h (init_data_ref): Additional argument.
2565         (array_base_name_differ_p): Moved to tree-data-ref.c.
2566         * tree-data-ref.c (array_base_name_differ_p): Revised.
2567         (initialize_data_dependence_relation): Call array_base_name_differ_p
2568         with an extra argument.
2569         (analyze_all_data_dependences): Same.
2570         (init_data_ref): Additional argument is_read to set DR_IS_READ.
2571         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
2572         file.
2573         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
2574         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
2575         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
2576         vectorization pass.
2577         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
2578         (tree_ssa_loop_done): Call scev_finalize.
2579         (tree_vectorize): Define the new vectorization pass.
2580         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
2581         size of the vector they support (until support for multiple vector
2582         sizes is added to the vectorizer).
2583         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
2584         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
2585         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
2586         documentation.
2587
2588 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
2589
2590         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
2591         usage.
2592         (generate_protocol_list, handle_impent): Likewise.
2593
2594 2004-08-17  Roger Sayle  <roger@eyesopen.com>
2595
2596         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
2597         ensure that call_used_regs is a superset of both fixed_regs and
2598         call_really_used_regs.
2599
2600 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
2601
2602         PR target/17019
2603         * arm.md (addsi3_cbranch_scratch): Correct case labels.
2604
2605 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2606
2607         PR middle-end/17036
2608         * fold-const.c (fold): Check for integer operand when
2609         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
2610         Pinski  <pinskia@physics.uc.edu>.
2611
2612 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2613
2614         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
2615         No need to check if in a cross configuration.
2616         * configure: Regenerate.
2617
2618         * calls.c (precompute_register_parameters):
2619         Inline preserve_subexpressions_p ().
2620         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
2621         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
2622         Likewise.
2623         * expr.c (get_subtarget): Likewise.
2624         * rtl.h (preserve_subexpressions_p): Remove.
2625         * stmt.c (preserve_subexpressions_p): Remove.
2626
2627         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
2628         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
2629         Abort on gimplified cases.
2630
2631 2004-08-16  James E Wilson  <wilson@specifixinc.com>
2632
2633         * tree.h (VECTOR_FLOAT_TYPE_P): New.
2634         (FLOAT_TYPE_P): Use it.
2635         * c-typeck.c (build_binary_op): After convert calls, check for
2636         check for ERROR_MARK operands.
2637
2638 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
2639
2640         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
2641         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
2642         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
2643         (genobjs static pattern rule): Remove %.c dependency.
2644         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
2645         Rename rules; delete commands; fix dependencies.
2646         (mostlyclean): Do not delete temporary source copies.
2647         * configure.ac: Delete all references to BUILD_PREFIX and
2648         BUILD_PREFIX_1.
2649         * configure: Regenerate.
2650
2651         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
2652         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
2653         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
2654         with #ifndef GENERATOR_FILE so that nothing from those headers
2655         is used.
2656
2657         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
2658
2659 2004-08-16  Adam Nemet  <anemet@lnxw.com>
2660
2661         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
2662
2663 2004-08-16  Andrew Pinski  <apinski@apple.com>
2664
2665         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
2666         extraneous semicolon.
2667
2668 2004-08-16  Devang Patel  <dpatel@apple.com>
2669
2670         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
2671         * print-tree.c (print_node): Print DECL_PRESERVE_P.
2672         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
2673         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
2674         * target.h (struct gcc_target): New member, mark_decl_preserved.
2675         * hooks.c (hook_void_charptr): Rename to ...
2676         (hook_void_constcharptr): ... new name.
2677         * hooks.h (hook_void_charptr): Rename to ..
2678         (hook_void_constcharptr): ... new name.
2679         * tree.h (DECL_PRESERVE_P): New #define.
2680         (struct tree_decl): New member, preserve_flag.
2681         * varasm.c (assemble_start_function): Mark decl preserved.
2682         (assemble_variable): Same.
2683         * darwin.c (darwin_mark_decl_preserved): New function.
2684         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
2685         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
2686         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
2687
2688 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
2689
2690         * c-decl.c (grokdeclarator): Allow for function definition where
2691         innermost declarator has attributes.
2692
2693 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
2694
2695         * except.c (get_exception_filter, build_post_landing_pads,
2696         dw2_build_landing_pads): Use target-specific mode for 'filter'.
2697         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
2698         * target.h (eh_return_filter_mode): New field added.
2699         * targhooks.c (default_eh_return_filter_mode): Defined.
2700         * targhooks.h (default_eh_return_filter_mode): Declared.
2701         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
2702
2703 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2704
2705         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
2706         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
2707         * configure: Regenerate.
2708
2709 2004-08-16  Stan Shebs  <shebs@apple.com>
2710
2711         Basic support for 64-bit Darwin.
2712         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2713         (machopic_legitimize_pic_address): Similarly, plus use Pmode
2714         instead of SImode.
2715         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
2716         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
2717         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
2718         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
2719         (PROCESSOR_DEFAULT64): Define.
2720         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
2721         Darwin.
2722         * config/rs6000/rs6000.md: Include darwin.md.
2723         (builtin_setjmp_receiver): Add DImode case.
2724         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
2725         Darwin.
2726         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
2727         (rs6000_emit_move): Add DImode case to Darwin bits.
2728         (machopic_output_stub): Use .quad if 64-bit.
2729         * invoke.texi: Document -m32 and -m64.
2730
2731 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
2732
2733         * doc/extend.texi (AltiVec builtins): Document additional differences
2734         from the Motorola AltiVec PIM.
2735
2736 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2737
2738         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
2739         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
2740         (struct tree_common): Update public_flag documentation.
2741
2742 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2743
2744         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2745         Check for artificial variables, not is_gimple_tmp_var.
2746         * tree-ssa-live.c (var_union): Likewise.
2747
2748 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2749
2750         * calls.c (load_register_parameters): Remove spurious FIXME token.
2751
2752 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
2753
2754         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
2755         (c-lang.o): Depend on c-objc-common.h.
2756         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
2757         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
2758         * c-lang.c: Include c-objc-common.h.
2759         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
2760         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
2761         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
2762         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
2763         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
2764         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
2765         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
2766         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
2767         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
2768         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
2769         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
2770         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
2771         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
2772         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
2773         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
2774         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2775         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
2776         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2777         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
2778         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
2779         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
2780         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
2781         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
2782         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
2783         Move to c-objc-common.h.
2784         * c-objc-common.c: Include c-objc-common.h.
2785         * c-objc-common.h: New file.
2786
2787 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
2788             Andrew Pinski  <pinskia@physics.uc.edu>
2789
2790         PR target/14931
2791         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
2792         style.
2793
2794 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
2795
2796         * tree.h (build_int_cst): New.
2797         (build_int_2): Remove.
2798         * tree.c (build_int_2): Remove.
2799         (build_int_cst): New.
2800         (make_vector_type, build_common_tree_nodes,
2801         build_common_tree_nodes_2): Use build_int_cst.
2802         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2803         expand_builtin_strpbrk, expand_builtin_fputs,
2804         build_string_literal, expand_builtin_printf,
2805         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
2806         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
2807         fold_builtin_isdigit, simplify_builtin_strstr,
2808         simplify_builtin_strpbrk, fold_builtin_fputs,
2809         simplify_builtin_sprintf): Use build_int_cst.
2810         * c-common.c (start_fname_decls, fix_string_type,
2811         c_common_nodes_and_builtins, c_init_attributes,
2812         shorten_compare): Likewise.
2813         * c-decl.c (complete_array_type,
2814         check_bitfield_type_and_width): Likewise.
2815         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2816         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
2817         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2818         * c-typeck.c (really_start_incremental_init, push_init_level,
2819         set_nonincremental_init_from_string): Likewise.
2820         * calls.c (load_register_parameters): Likewise.
2821         * convert.c (convert_to_pointer): Likewise.
2822         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2823         build_fn_info_type, build_ctr_info_value, build_gcov_info):
2824         Likewise.
2825         * except.c (init_eh, assign_filter_values, assign_filter_values):
2826         Likewise.
2827         * expmed.c (store_fixed_bit_field, extract_bit_field,
2828         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2829         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2830         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2831         * expr.c (convert_move, emit_group_load, emit_group_store,
2832         expand_assignment, store_constructor, store_field,
2833         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2834         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2835         invert_truthvalue, optimize_bit_field_compare,
2836         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2837         fold_div_compare, fold, fold_read_from_constant_string,
2838         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2839         * function.c (assign_parm_setup_block): Likewise.
2840         * stmt.c (shift_return_value, expand_end_case_type,
2841         estimate_case_costs): Likewise.
2842         * stor-layout.c (layout_type, initialize_sizetypes,
2843         set_min_and_max_values_for_integral_type): Likewise.
2844         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2845         reset_evolution_in_loop): Likewise.
2846         * tree-chrec.h (build_polynomial_chrec): Likewise.
2847         * tree-complex.c (build_replicated_const): Likewise.
2848         * tree-eh.c (honor_protect_cleanup_actions,
2849         lower_try_finally_onedest, lower_try_finally_copy,
2850         lower_try_finally_switch): Likewise.
2851         * tree-mudflap.c (mf_build_string, mx_register_decls,
2852         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2853         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2854         * tree-pretty-print.c (dump_generic_node): Likewise.
2855         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2856         Likewise.
2857         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2858         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2859         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2860         Likewise.
2861
2862         * config/alpha/alpha.c (alpha_initialize_trampoline,
2863         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
2864         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2865         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2866         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2867         * config/i860/i860.c (i860_va_start): Likewise.
2868         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2869         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2870         mips_gimplify_va_arg_expr): Likewise.
2871         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2872         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2873         add_compiler_branch_island): Likewise.
2874         * config/s390/s390.c (s390_va_start): Likewise.
2875         * config/sh/sh.c (sh_va_start): Likewise.
2876         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2877         Likewise.
2878         * config/xtensa/xtensa.c (xtensa_va_start,
2879         xtensa_gimplify_va_arg_expr): Likewise.
2880
2881         * objc/objc-act.c (build_objc_string_object,
2882         build_objc_symtab_template, init_def_list, init_objc_symtab,
2883         init_module_descriptor, generate_static_references,
2884         build_selector_translation_table, get_proto_encoding,
2885         build_typed_selector_reference, build_selector_reference,
2886         build_next_objc_exception_stuff,
2887         build_method_prototype_list_template, generate_descriptor_table,
2888         generate_protocols, build_protocol_initializer,
2889         build_ivar_list_template, build_method_list_template,
2890         build_ivar_list_initializer, generate_ivars_list,
2891         generate_dispatch_table, generate_protocol_list,
2892         build_category_initializer, build_shared_structure_initializer,
2893         generate_shared_structures, handle_impent,
2894         generate_objc_image_info): Use build_int_cst.
2895
2896 2004-08-15  Ben Elliston  <bje@au.ibm.com>
2897
2898         * vec.h: Comment improvements.
2899
2900 2004-08-14  Roger Sayle  <roger@eyesopen.com>
2901
2902         * c-common.c (shorten_compare, pointer_int_sum,
2903         c_common_truthvalue_conversion, boolean_increment): Replace calls
2904         to build with calls to buildN.
2905         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
2906         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
2907         gimplify_switch_stmt): Likewise.
2908         * c-typeck.c (default_function_array_conversion,
2909         build_component_ref, build_array_ref, build_function_call,
2910         pointer_diff, build_unary_op, build_conditional_expr,
2911         build_compound_expr, build_modify_expr, c_finish_goto_label,
2912         c_finish_goto_ptr, c_finish_return, c_finish_loop,
2913         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
2914         build_binary_op): Likewise.
2915
2916 2004-08-15  Steven Bosscher  <stevenb@suse.de>
2917
2918         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
2919
2920 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2921
2922         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
2923         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
2924         * fixinc/fixincl.x: Rebuilt.
2925
2926 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
2927
2928         * config/mips/mips-protos.h (mips_symbolic_constant_p)
2929         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
2930         (mips_small_data_pattern_p): Declare.
2931         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
2932         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2933         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
2934         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
2935         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
2936         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
2937         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
2938         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
2939         (pc_or_label_operand, call_insn_operand, move_operand)
2940         (consttable_operand, symbolic_operand, general_symbolic_operand)
2941         (global_got_operand, local_got_operand, stack_operand)
2942         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
2943         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
2944         (mips_small_data_pattern_p): Replace previous small_data_pattern
2945         predicate.  Turn into a bool () (rtx) function.
2946         * config/mips/predicates.md: New file.
2947         * config/mips/mips.md: Include it.  Use the target-independent
2948         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
2949         trap_comparison_operator and equality_op to equality_operator.
2950         Replace uses of small_int with the equivalent const_arith_operand.
2951         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
2952         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
2953         to fcc_reload_operand.
2954         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
2955
2956 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2957
2958         PR libstdc++/17005 partial fix.
2959         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
2960         except when generating ANSI/C89 code.
2961
2962 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
2963
2964         * c-common.c (shorten_compare): Use force_fit_type directly.
2965
2966 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
2967             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
2968             Dave Korn  <dk@artimi.com>
2969
2970         * doc/install.texi (Building): Avoid duplicate reference to GNU
2971         make requirement.
2972         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
2973
2974 2004-08-14  Richard Henderson  <rth@redhat.com>
2975
2976         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
2977         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
2978
2979 2004-08-13  Richard Henderson  <rth@redhat.com>
2980
2981         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
2982         for constant_call_address_operand.
2983         (call_value_pop_1, call_value_1): Likewise.
2984         (sibcall_value_1, call_value_1_rex64): Likewise.
2985
2986 2004-08-13  James E Wilson  <wilson@specifixinc.com>
2987
2988         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
2989         Correct mode from SFmode to DFmode.
2990
2991 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
2992
2993         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
2994         __cstring_object and __image_info sections with the no_dead_strip
2995         attribute.
2996
2997 2004-08-13  Roger Sayle  <roger@eyesopen.com>
2998             David Billinghurst  <David.Billinghurst@riotinto.com>
2999
3000         PR libgfortran/15930
3001         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
3002         * fixinc/fixincl.x: Regenerate.
3003         * fixinc/tests/base/internal/math_core.h: New file.
3004
3005 2004-08-13  Richard Henderson  <rth@redhat.com>
3006
3007         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
3008         (dbxout_function_end): Remove ifdefs for it.
3009         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
3010
3011 2004-08-13  Richard Henderson  <rth@redhat.com>
3012
3013         * Makefile.in (insn-preds.o): Depend on TREE_H.
3014         * genpreds.c (write_insn_preds_c): Include tree.h.
3015         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
3016         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
3017         const48_operand, and_operand, or_operand, mode_width_operand,
3018         mode_mask_operand, mul8_operand, const0_operand,
3019         hard_fp_register_operand, hard_int_register_operand,
3020         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
3021         samegp_function_operand, direct_call_operand, small_symbolic_operand,
3022         global_symbolic_operand, call_operand, symbolic_operand,
3023         dtp16_symbolic_operand, dtp32_symbolic_operand,
3024         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
3025         gottp_symbolic_operand, alpha_comparison_operator,
3026         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
3027         signed_comparison_operator, alpha_fp_comparison_operator,
3028         divmod_operator, fix_operator, aligned_memory_operand,
3029         unaligned_memory_operand, reg_or_unaligned_mem_operand,
3030         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
3031         reg_no_subreg_operand, addition_operation): Move to predicates.md.
3032         (reg_or_const_int_operand): Remove.  Replace all users with
3033         reg_or_cint_operand.
3034         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
3035         (resolve_reload_operand): Split out of aligned_memory_operand.
3036         * config/alpha/alpha-protos.h: Update for exports.
3037         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
3038         * config/alpha/alpha.md: Include predicates.md.
3039         * config/alpha/predicates.md: New file.
3040
3041 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
3042
3043         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
3044         fields with a pointer to the instruction definition.
3045         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
3046         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
3047         (write_attr_case, write_const_num_delay_slots): Update accordingly.
3048         (write_attr_case, write_const_num_delay_slots): Write the name of
3049         an insn next to its case statement.
3050         * genoutput.c (data): Add a filename field.
3051         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
3052         (output_insn_data): Print the location of each insn definition.
3053         * genrecog.c (write_action): Print the name of an insn above
3054         the statement that returns its code.
3055
3056 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
3057
3058         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
3059         * config/libgloss.h: Likewise.
3060         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
3061         * c4x/c4x-modes.def: Likewise.
3062         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
3063         (c4x_rptb_nop_p): Likewise.
3064         (c4x_rptb_valid_p): Likewise.
3065         (c4x_rptb_insert): Likewise.
3066         (c4x_address_conflict): Likewise.
3067         * config/c4x/c4x.md: Likewise.
3068         * config/frv/frv.md: Likewise.
3069         * config/i386/athlon.md: Likewise.
3070         * config/i386/i386.md: Likewise.
3071         * config/i386/predicates.md: Likewise.
3072         * config/ia64/ia64.c: Likewise.
3073         * config/ia64/itanium1.md: Likewise.
3074         * config/ia64/itanium2.md: Likewise.
3075         * config/iq2000/iq2000.md: Likewise.
3076         * config/mcore/mcore.c: Likewise.
3077         * config/mips/mips.c: Likewise.
3078         * config/mips/r3900.h: Likewise.
3079         * config/mips/sb1.md: Likewise.
3080         * config/pa/milli64.S: Likewise.
3081         * config/pa/pa.c: Likewise.
3082         * config/pa/pa.h: Likewise.
3083         * config/rs6000/8540.md: Likewise.
3084
3085 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
3086
3087         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
3088
3089 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
3090
3091         * sh.md (cbranch define_delay) Use cond_delay_slot for
3092         non-anulled condition too.
3093
3094 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3095
3096         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
3097         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
3098         any_parallel_operand, lmw_operation, stmw_operation,
3099         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
3100         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
3101         any_parallel_operand.
3102         (return_and_restore_fpregs_{si,di}): Same.
3103
3104 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3105
3106         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
3107         if pred->singleton != PARALLEL, issue a warning and pretend it was.
3108         Also issue a warning for any predicate we don't know about.
3109
3110 2004-08-12  Richard Henderson  <rth@redhat.com>
3111
3112         * config/i386/i386.c (internal_label_prefix): Export.
3113         (internal_label_prefix_len, struct ix86_address,
3114         ix86_decompose_address, maybe_get_pool_constant,
3115         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
3116         memory_address_length): Export.
3117         (any_fp_register_operand, fp_register_operand,
3118         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
3119         x86_64_general_operand, x86_64_szext_general_operand,
3120         x86_64_nonmemory_operand, x86_64_movabs_operand,
3121         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
3122         x86_64_zext_immediate_operand, const_int_1_31_operand,
3123         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
3124         tls_symbolic_operand, global_dynamic_symbolic_operand,
3125         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
3126         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
3127         constant_call_address_operand, const0_operand, const1_operand,
3128         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
3129         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
3130         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
3131         general_no_elim_operand, nonmemory_no_elim_operand,
3132         index_register_operand, q_regs_operand, flags_reg_operand,
3133         non_q_regs_operand, zero_extended_scalar_load_operand,
3134         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
3135         ix86_comparison_operator, ix86_carry_flag_operator,
3136         fcmov_comparison_operator, promotable_binary_operator,
3137         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
3138         mult_operator, div_operator, arith_or_logical_operator,
3139         memory_displacement_operand, cmpsi_operand, long_memory_operand,
3140         aligned_operand): Move to predicates.md as define_predicates.
3141         (tls_symbolic_operand_1): Remove.
3142         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
3143         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
3144         (legitimize_address): Merge tls_symbolic_operand contents.
3145         (ix86_expand_move): Likewise.
3146         * config/i386/i386-protos.h: Update for exports.
3147         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
3148         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
3149         * config/i386/i386.md: Include predicates.md.
3150         * config/i386/predicates.md: New file.
3151
3152 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
3153
3154         PR c++/16924
3155         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
3156         SYMBOL_REF_DECL.
3157         (i386_pe_mark_dllimport): Likewise.
3158         (i386_pe_encode_section_info): Likewise, when overriding
3159         dllimport attribute.
3160
3161 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
3162
3163         * configure.ac: When testing for flex, nm, ar, and bison, check
3164         that they will actually be built.
3165         * configure: Regenerate.
3166
3167 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
3168
3169         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
3170         (MOVE_MAX_PIECES): Define.
3171
3172 2004-08-12  Devang patel  <dpatel@apple.com>
3173
3174         * dbxout.c (dbxout_begin_prologue): New function.
3175         (dbx_debug_hooks): Use new begin prologue hook.
3176         (dbxout_function_end): Emit N_ENSYM.
3177         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
3178
3179 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
3180
3181         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
3182         argument is float*.
3183
3184         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
3185         for vec_dss.
3186
3187         * doc/extend.texi (AltiVec builtins): Fix description for recent
3188         changes.  Update operation list to match current support.
3189
3190 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
3191
3192         * config/s390/s390.c (struct s390_frame_layout): New struct as element
3193         of struct machine_function.
3194         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
3195         changed all uses.
3196         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
3197         changed all uses.
3198         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
3199         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
3200         (s390_frame_area, s390_register_info): New functions.
3201         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
3202         for base register.
3203         (s390_return_addr_rtx, s390_return_address_offset)
3204         (s390_va_start, s390_gimplify_va_arg)
3205         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
3206         layouts.
3207         (s390_frame_info): Functionality partly moved to s390_register_info.
3208         Made adaptions for new stack layout.
3209         (save_gprs, restore_gprs): Changed meaning of second parameter and
3210         adapted all callers.
3211
3212         * config/s390/s390.h (s390_backchain_string): New global variable.
3213         (MASK_BACKCHAIN): Removed definition.
3214         (TARGET_BACKCHAIN): Changed check.
3215         (TARGET_KERNEL_BACKCHAIN): New macro.
3216         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
3217         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
3218         "kernel-backchain".
3219         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
3220
3221         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
3222         as condition.  Adjusted for new stack layout.
3223
3224         * doc/invoke.texi: Added documentation for new option
3225         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
3226         "-mno-backchain".
3227
3228 2004-08-12  Paul Brook  <paul@codesourcery.com>
3229
3230         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
3231         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
3232
3233 2004-08-12  David Daney  <ddaney@avtrex.com>
3234
3235         * java/gcj.texi:  Add subsection on signal usage.
3236
3237 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
3238
3239         * expr.c (move_by_pieces): Set alignment for move to minimum of
3240         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
3241         alignment, but not less than the original alignment.
3242         (move_by_pieces_ninsns): Same.
3243         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
3244         (store_by_pieces_1): Same.
3245
3246 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
3247
3248         PR tree-optimization/16867
3249         * tree.c (is_global_var): New function.
3250         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
3251         Call is_global_var.
3252         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
3253         Update all users.
3254         (is_global_var): Declare.
3255         * tree-dfa.c (dump_variable): Display global and addressable
3256         attributes.
3257         (add_referenced_var): Clarify documentation when marking
3258         variables call-clobbered.
3259         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
3260         instead of needs_to_live_in_memory.
3261         (mark_call_clobbered): If the variable is a tag, mark it
3262         DECL_EXTERNAL.
3263         * tree-gimple.c (is_gimple_reg): Don't check for
3264         TREE_ADDRESSABLE.
3265         (is_gimple_non_addressable): Likewise.
3266         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
3267         needs to be marked call-clobbered.
3268         (setup_pointers_and_addressables): Call is_global_var instead
3269         of needs_to_live_in_memory.
3270         * tree-ssa-dce.c (need_to_preserve_store): Remove.
3271         Update all users with is_global_var.
3272         (mark_stmt_if_obviously_necessary): Fix processing of aliased
3273         stores.  Don't check the virtual definitions.  Rather, check
3274         whether the store is going into global memory.
3275         (find_obviously_necessary_stmts): Get the symbol from the PHI
3276         result.
3277         * tree-ssa-operands.c (get_call_expr_operands): Do not add
3278         clobbering may-defs if the call does not have side effects.
3279
3280 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR c++/16276
3283         * output.h (default_function_rodata_section,
3284         default_no_function_rodata_section): New prototypes.
3285         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
3286         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3287         (TARGET_ASM_OUT): Add it.
3288         * varasm.c (default_function_rodata_section,
3289         default_no_function_rodata_section): New functions.
3290         * final.c (final_scan_insn): Call
3291         targetm.asm_out.function_rodata_section instead of
3292         readonly_data_section.
3293         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
3294         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3295         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3296         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3297         Likewise.
3298         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3299         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3300         Likewise.
3301         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
3302         Likewise.
3303         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3304         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
3305         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
3306
3307 2004-08-12  Paul Brook  <paul@codesourcery.com>
3308
3309         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
3310         frame info.
3311         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
3312         DWARF2_UNWIND_INFO.
3313
3314 2004-08-12  Ben Elliston  <bje@au.ibm.com>
3315
3316         PR target/16286
3317         * config/rs6000/altivec.h: Change vector to __vector throughout.
3318         (Except for the `vector' macro itself).
3319
3320 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
3321
3322         * genpreds.c: Add capability to generate predicate bodies as
3323         well as function prototypes.  Write function prototypes for
3324         the generic predicates too.
3325         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
3326         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
3327         (write_match_code, write_predicate_expr, write_one_predicate_function)
3328         (parse_option): New functions.
3329         (output_predicate_decls): Delete.
3330         (main): Read the machine description, process DEFINE_PREDICATE or
3331         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
3332         as appropriate.
3333
3334         * genrecog.c (struct decision_test): Replace index with
3335         struct pred_data pointer.
3336         (next_index): Remove, unused.
3337         (pred_table, preds, special_mode_pred_table): Delete.
3338         (compute_predicate_codes, process_define_predicate): New functions.
3339         (validate_pattern, add_to_sequence, write_switch): Update for
3340         new data structures.
3341         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3342         Check both error_count and have_error.
3343
3344         * gensupport.c (in_fname, first_predicate): New globals.
3345         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
3346         (predicate_table, last_predicate, old_pred_table)
3347         (old_special_pred_table): New statics.
3348         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
3349         (add_predicate, init_predicate_table): New functions.
3350         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
3351         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
3352         it or max_include_len.  Call init_predicate_table.
3353         (read_rtx): Run the predicate queue after the attribute queue
3354         but before all the others.
3355         * gensupport.h (in_fname, struct pred_data, first_predicate)
3356         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
3357         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
3358         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
3359         * dummy-conditions.c: Don't include bconfig.h, system.h,
3360         coretypes.h, tm.h, or system.h.  Do include stddef.h.
3361         Duplicate declaration of struct c_test from gensupport.h.
3362
3363         * Makefile.in (OBJS-common): Add insn-preds.o.
3364         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
3365         (insn-preds.c, insn-preds.o): New rules.
3366         (s-preds): Also generate insn-preds.c.
3367         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
3368         Update dependencies.
3369         (print-rtl.o, print-rtl1.o): Correct dependencies.
3370
3371         * recog.h: Delete prototypes of predicate functions.
3372
3373         * doc/md.texi (Predicates): New section with complete
3374         documentation of operand/operator predicates.  Remove some
3375         incomplete documentation of predicates from other places.
3376         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
3377         PREDICATE_CODES; indicate that both are deprecated in favor
3378         of define_predicate/define_special_predicate.
3379
3380         * config/ia64/ia64.c: All predicate function definitions moved
3381         to ia64.md, except
3382         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
3383         (ia64_expand_load_address, ia64_expand_move):
3384         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
3385
3386         * config/ia64/ia64.md: All predicates now defined here.
3387         (symbolic_operand): Is now a special predicate.
3388
3389         * config/ia64/ia64.h: Declare ia64_section_threshold.
3390         (PREDICATE_CODES): Delete.
3391
3392 2004-08-12  Richard Henderson  <rth@redhat.com>
3393
3394         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
3395         * c-semantics.c (add_stmt): Set it.
3396         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
3397         before instantiating a variable sized type.
3398
3399 2004-08-12  Richard Henderson  <rth@redhat.com>
3400
3401         * stor-layout.c (round_up, round_down): Move ...
3402         * fold-const.c (round_up, round_down): ... here.  Use
3403         multiple_of_p to avoid any arithmetic at all.
3404
3405 2004-08-12  Richard Henderson  <rth@redhat.com>
3406
3407         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
3408         (gimplify_init_ctor_preeval_1): New.
3409         (gimplify_init_ctor_preeval): New.
3410         (gimplify_init_ctor_eval): New.
3411         (gimplify_init_constructor): Use them.  Always gimplify the LHS
3412         object first.
3413
3414 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
3415
3416         (This patch is part of merge of objc-improvements-branch
3417         into mainline.)
3418
3419         * doc/frontends.texi: Mention Objective-C++ in addition to
3420         Objective-C.
3421         * doc/install.texi: Add 'obj-c++' to list of configurable
3422         languages.
3423         * doc/invoke.texi: Rename Objective-C option headings to
3424         indicate they also apply to Objective-C++.  List file
3425         extensions for Objective-C++ sources.  Mention that
3426         ObjC and ObjC++ compilations may also use C and C++ options,
3427         respectively.  Point users to doc/standards.texi for
3428         further info on ObjC and ObjC++.
3429         * doc/sourcebuild.texi: Mention the objcp/ directory and
3430         the Objective-C++ sources it contains.
3431         * doc/standards.texi: Update link to Apple ObjC site;
3432         add link to gcc readings.html WWW doc.
3433
3434 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
3435
3436         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
3437         and 2004-07-14 changes.
3438
3439 2004-08-12  Paul Brook  <paul@codesourcery.com>
3440
3441         * doc/invoke.texi: Fix typo.
3442
3443 2004-08-11 Devang Patel  <dpatel@apple.com>
3444
3445         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
3446         and -no_dead_strip_inits_and_terms.
3447         (LINK_SPEC): Same.
3448         * doc/invoke.texi (Darwin Options): Document -dead_strip and
3449         -no_dead_strip_inits_and_terms.
3450
3451 2004-08-11  Paul Brook  <paul@codesourcery.com>
3452
3453         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
3454         (arm_load_pic_register): ... to this.
3455         * config/arm/arm.c (arm_finalize_pic): Rename ...
3456         (arm_load_pic_register): ... to this.  Always output insns at the
3457         current location.  Load via low reg in thumb mode.
3458         (arm_expand_prologue): Call arm_load_pic_register.
3459         (thumb_expand_prologue): Ditto.
3460         * config/arm/arm.h (FINALIZE_PIC): Remove.
3461         * config/arm/arm.md (builtin_setjmp_receiver): Call
3462         arm_load_pic_register.
3463
3464 2004-08-11  Paul Brook  <paul@codesourcery.com>
3465
3466         * arm.c (thumb_force_lr_save): Add prototype.
3467         (thumb_compute_save_reg_mask): New function.
3468         (thumb_find_work_register): New function.
3469         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
3470         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
3471         Don't clobber r3 when removing pretend args.
3472         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
3473         (thumb_output_function_prologue): Use new functions.
3474         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
3475         * arm.h (THUMB_REG_PUSHED_P): Remove.
3476
3477 2004-08-11  James E Wilson  <wilson@specifixinc.com>
3478
3479         PR rtl-optimization/16490
3480         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
3481         global_live_at_end for new basic block if already set for other blocks.
3482
3483 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
3484
3485         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
3486
3487         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
3488         (mfcr rlwinm rlwinm patterns): Set length to 12.
3489
3490 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
3491
3492         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
3493         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
3494         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
3495         (start_ssa_stmt_operands): Delete.
3496         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
3497         struct stmt_operands_d.
3498         (build_ssa_operands): New extern entry point.
3499         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
3500         building code, replace with create_ssa_artficial_load_stmt().
3501         * tree-ssa-operands.c (struct voperands_d): Delete.
3502         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
3503         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
3504         (free_uses, free_defs, free_vuses, free_v_may_defs,
3505         free_v_must_defs): Remove dealloc parameter.
3506         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
3507         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
3508         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
3509         vector comparisons, ssa_name reuse, and allocations here.
3510         (verify_start_operands): Delete.
3511         (finalize_ssa_stmt_operands): Set new operands by calling finalize
3512         routines.
3513         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
3514         (append_def, append_usei): Simplify to simple accumulation.
3515         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
3516         duplicates and simple accumulation.
3517         (free_ssa_operands): Free vectors in a stmt_operand structure.
3518         (build_ssa_operands): New. Create a new stmt_operand structure from
3519         a stmt and an old set of stmt_operands.
3520         (get_stmt_operands): Simplify and call build_ssa_operands.
3521         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
3522         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
3523         add_call_read_ops): Don't pass prev_vops around anymore.
3524         (note_addressable): Return if no stmt annotation.
3525         (copy_virtual_operands): Access v_may_def operands through a struct.
3526         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
3527         hash tables without treating the stmt as a real stmt.
3528         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
3529         v_may_def def and use through a struct instead of 2 array elements.
3530         (struct v_may_def_optype_d): Use v_may_def_operand_type.
3531         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
3532
3533 2004-08-11  Nick Clifton  <nickc@redhat.com>
3534
3535         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
3536         this funciton's behaviour.  Return true when the current function
3537         has a section attribute and -mlong-calls is in effect.
3538         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
3539         short-call marker when -mlong-calls is in effect and the function
3540         has a section attribute.
3541
3542 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
3543
3544         * stmt.c (expand_return): If asked to return the RESULT_DECL,
3545         just call expand_value_return on result_rtl.
3546
3547 2004-08-10  Richard Henderson  <rth@redhat.com>
3548
3549         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
3550         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
3551         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
3552         (add_location_or_const_value_attribute): ... not here.  Use
3553         loc_descriptor_from_tree if possible.
3554         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
3555         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
3556         values specially.
3557         (loc_descriptor_from_tree): New.  Update callers.
3558         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
3559         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
3560         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
3561         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
3562         and BUILT_IN_STACK_RESTORE.
3563         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
3564         * stmt.c (expand_stack_alloc): Remove.
3565         * tree-mudflap.c (mx_register_decls): Don't look for
3566         BUILT_IN_STACK_ALLOC.
3567         * tree-nested.c (convert_local_reference): Likewise.
3568         * tree.h (DECL_VALUE_EXPR): New.
3569
3570 2004-08-10  Richard Henderson  <rth@redhat.com>
3571
3572         * stor-layout.c (round_up): Check for 0/1 before dividing.
3573         (round_down): Likewise.
3574
3575         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
3576
3577 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
3578
3579         * config.gcc (arm*-*-eabi*): New target.
3580         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
3581         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3582         * expmed.c (expand_divmod): Try a two-valued divmod function as a
3583         last resort.
3584         * gthr.h: Remove bogus tokens at end of #pragma.
3585         * optabs.c (expand_twoval_binop_libfunc): New function.
3586         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
3587         (prepare_float_lib_cmp): Try reversing the condition.
3588         (debug_optab_libfuncs): New function.
3589         * optabs.h (expand_twoval_binop_libfunc): Declare.
3590         * config/arm/arm.c (arm_init_libfuncs): New function.
3591         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
3592         (TARGET_INIT_LIBFUNCS): Define it.
3593         * config/arm/arm.h (TARGET_BPABI): New macro.
3594         * config/arm/arm-protos.h
3595         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
3596         * config/arm/bpabi.S: New file.
3597         * config/arm/bpabi.c: Likewise.
3598         * config/arm/bpabi.h: Likewise.
3599         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
3600         (__aeabi_drsub): Likewise.
3601         (__aeabi_dsub): Likewise.
3602         (__aeabi_dadd): Likewise.
3603         (__aeabi_ui2d): Likewise.
3604         (__aeabi_i2d): Likewise.
3605         (__aeabi_f2d): Likewise.
3606         (__aeabi_dmul): Likewise.
3607         (__aeabi_ddiv): Likewise.
3608         (__aeabi_cdrcmple): Likewise.
3609         (__aeabi_cdcmpeq): Likewise.
3610         (__aeabi_cdcmple): Likewise.
3611         (__aeabi_dcmpeq): Likewise.
3612         (__aeabi_dcmplt): Likewise.
3613         (__aeabi_dcmple): Likewise.
3614         (__aeabi_dcmpge): Likewise.
3615         (__aeabi_dcmpgt): Likewise.
3616         (__aeabi_dcmpun): Likewise.
3617         (__aeabi_d2iz): Likewise.
3618         (__aeabi_d2uiz): Likewise.
3619         (__aeabi_d2f): Likewise.
3620         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
3621         (__aeabi_frsub): Likewise.
3622         (__aeabi_fsub): Likewise.
3623         (__aeabi_fadd): Likewise.
3624         (__aeabi_ui2f): Likewise.
3625         (__aeabi_i2f): Likewise.
3626         (__aeabi_fmul): Likewise.
3627         (__aeabi_fdiv): Likewise.
3628         (__aeabi_cfrcmple): Likewise.
3629         (__aeabi_cfcmpeq): Likewise.
3630         (__aeabi_cfcmple): Likewise.
3631         (__aeabi_fcmpeq): Likewise.
3632         (__aeabi_fcmplt): Likewise.
3633         (__aeabi_fcmple): Likewise.
3634         (__aeabi_fcmpge): Likewise.
3635         (__aeabi_fcmpgt): Likewise.
3636         (__aeabi_fcmpun): Likewise.
3637         (__aeabi_f2iz): Likewise.
3638         (__aeabi_f2uiz): Likewise.
3639         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
3640         (__aeabi_uidivmod): New function or alias.
3641         (__aeabi_idivmod): Likewise.
3642         (__aeabi_idiv0): Likewise.
3643         (__aeabi_ldiv0): Likewise.
3644         (__aeabi_llsr): Likewise.
3645         (__aeabi_lasr): Likewise.
3646         (__aeabi_llsl): Likewise.
3647         (bpabi.S): Include it.
3648         * config/arm/libgcc-bpabi.ver: New file.
3649         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
3650         (LINK_SPEC): Remove.
3651         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
3652         __aeabi_ulcmp.
3653         * config/arm/t-bpabi: New file.
3654         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
3655         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3656
3657 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
3658
3659         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
3660         * config/rs6000/rs6000.md (clrmemsi): New pattern.
3661         * config/rs6000/rs6000.c (expand_block_clear): New function.
3662         (expand_block_move): Convert alignment to bits.  Use SImode and
3663         HImode for unaligned addresses if not STRICT_ALIGNMENT.
3664
3665 2004-08-10  Caroline Tice  <ctice@apple.com>
3666
3667         * varasm.c (unlikely_section_label): New global variable.
3668         (unlikely_text_section_name): New global variable.
3669         (text_section):  Remove alignment statement.
3670         (unlikely_text_section): Remove alignment statement; use
3671         unlikely_section_label rather than hard-coded string.
3672         (assemble_start_function): Initialize unlikely_section_label and
3673         unlikely_text_section_name;  make sure cold section is properly
3674         aligned at start of function; output unlikely_section_label if
3675         appropriate.
3676
3677 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
3678
3679         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
3680         * config/s390/s390.c (s390_canonicalize_comparison): New function.
3681         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
3682         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
3683         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
3684         ("*tmqi_mem"): Remove SUBREG from pattern.
3685         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
3686         ("*andsi3_cconly"): Likewise.
3687
3688 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3689
3690         PR target/16909
3691         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
3692
3693 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
3694
3695         * doc/sourcebuild.texi (compat testing): Document available test
3696         framework commands.  Use the preferred spelling of DejaGnu.
3697
3698 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
3699
3700         * lambda.h: Add matrix type, and prototypes for remainder of
3701         matrix and vector functions.
3702         (lambda_vector_mult_const): New function.
3703         (lambda_vector_negate): Ditto.
3704         (lambda_vector_add): Ditto.
3705         (lambda_vector_add_mc): Ditto.
3706         (lambda_vector_copy): Ditto.
3707         (lambda_vector_zerop): Ditto.
3708         (lambda_vector_equal): Ditto.
3709         (lambda_vector_min_nz): Ditto.
3710         (lambda_vector_first_nz): Ditto.
3711         (lambda_vector_matrix_mult): Ditto.
3712         * lambda-mat.c: New file.
3713         * Makefile.in (lambda-mat.o): New.
3714
3715 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
3716
3717         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
3718         after linking stmt into the program.
3719         (bsi_remove): Don't call modify_stmt.
3720         * tree-complex.c (update_complex_assignment,
3721         expand_complex_comparison): Call modify_stmt after changing the stmt.
3722         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
3723         removing the stmt.
3724         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
3725         the stmt, and only if needed.
3726         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
3727         expression.
3728         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
3729         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
3730         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
3731         (eliminate_redundant_computations): Don't pass an annotation. Call
3732         modify_stmt rather than setting the annotation directly.
3733         (record_equivalences_from_stmt): Remove unused local 'j'.
3734         (cprop_operand): Take a stmt rather than an annotation as a parameter.
3735         Call modify_stmt.
3736         (cprop_into_stmt): Pass stmt rather than annotation.
3737         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
3738         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
3739         modify_stmt.
3740         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
3741
3742 2004-08-10  Jason Merrill  <jason@redhat.com>
3743
3744         PR middle-end/16948
3745         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
3746         the RESULT_DECL.
3747
3748 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
3749
3750         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
3751         hash function.
3752
3753 2004-08-10  Roger Sayle  <roger@eyesopen.com>
3754
3755         * config/mips/mips.md: New reciprocal square root patterns that
3756         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
3757
3758 2004-08-10  Paul Brook  <paul@codesourcery.com>
3759
3760         * config/arm/arm-protos.h (arm_set_return_address,
3761         thumb_set_return_address): Add prototypes.
3762         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
3763         * config/arm/arm.c (arm_compute_func_type,
3764         use_return_insn, arm_compute_save_reg0_reg12_mask,
3765         arm_compute_save_reg_mask, arm_output_function_prologue,
3766         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
3767         current_function_calls_eh_return.
3768         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
3769         old eh code.
3770         (arm_set_return_address, thumb_set_return_address): New functions.
3771         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
3772         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
3773         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
3774         (epilogue): Use the stackadj register.
3775         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
3776
3777 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
3778
3779         PR target/3144
3780         * expr.c (move_by_pieces_ninsns): Add max_size argument.
3781         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
3782         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
3783         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
3784         but using MOVE_RATIO.
3785         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
3786         (can_store_by_pieces): Change max_size type to unsigned int.
3787         (store_by_pieces_1): Likewise.  Pass max_size to
3788         move_by_pieces_ninsns.
3789         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
3790         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
3791         to move_by_pieces_ninsns.
3792         (STORE_BY_PIECES_P): Define.
3793         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
3794         to move_by_pieces_ninsns.
3795         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
3796
3797         * config/i386/i386.h (CLEAR_RATIO): Define.
3798
3799 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3800
3801         * expr.c (expand_expr_real_1): Add back code that was not dead.
3802
3803 2004-08-09  Andrew Pinski  <apinski@apple.com>
3804
3805         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
3806         which is found to be compatible before returning the aliasing set.
3807
3808 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
3809
3810         * ggc-zone.c (struct alloc_zone): Add statistics counters.
3811         (always_collect): New flag.
3812         (ggc_alloc_zone_1): Update statistics support.  Don't include
3813         overhead in allocated counter.
3814         (sweep_pages): Update allocated counter for large pages.  Don'y
3815         include overhead.
3816         (ggc_collect_1): Always collect.
3817         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
3818         whether to collect.
3819         (SCALE, LABEL): New macros.
3820         (ggc_print_statistics): Add statistics support.
3821
3822 2004-08-09  Roger Sayle  <roger@eyesopen.com>
3823
3824         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
3825         (init_expmed): Fix potential overrun problem with "all.reg".
3826         (expand_sdiv2_pow2): Add an alternate implementation for signed
3827         division, if the target provides a suitable conditional move insn.
3828
3829 2004-08-09  Paul Brook  <paul@codesourcery.com>
3830         Richard Henderson  <rth@redhat.com>
3831
3832         * unwind-dw2.c (uw_install_context_1): Update target saved stack
3833         pointer.
3834
3835 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
3836
3837         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
3838         Check DATA limit only if there's no AS limit.  Ignore insanely
3839         low DATA limits.
3840         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
3841         but take care that the AS limit isn't overrun.
3842         * doc/invoke.texi: Update documentation of min-heapsize parameter.
3843
3844 2004-08-09  Jeff Law  <law@redhat.com>
3845
3846         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
3847         (tree-ssa-threadupdate.o): Add dependencies.
3848         * tree-ssa-threadupdate.c: New file.
3849         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
3850         (rewrite_vars_out_of_ssa): Remove prototype.
3851         (cleanup_tree_cfg): Returns a bool.
3852         * tree.h (thread_through_all_blocks): Prototype.
3853         * tree-outof-ssa.c  (SSANORM_*): Move into here.
3854         (remove_ssa_form): Now static.
3855         (rewrite_vars_out_of_ssa): Kill.
3856         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
3857         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
3858         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
3859         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
3860         anything was changed.
3861         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
3862         from the PHI's annotation rather than the edge associated with
3863         the new argument.
3864         * tree-ssa-dom.c (redirection_edges): Kill.
3865         (redirect_edges_and_update_ssa_graph): Kill.
3866         (tree_ssa_dominator_optimize): Do not reset forwardable flag
3867         for blocks anymore.  Do not initialize redirection_edges.
3868         Call thread_through_all_blocks.  Simplify code for cleanup
3869         of the CFG and iterating.  No longer call cleanup_tree_cfg
3870         outside the iteration loop.
3871         (thread_across_edge): No longer mess with forwardable blocks.
3872
3873 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
3874
3875         * explow.c (memory_address): Use memory_address_p.
3876         * recog.c (general_operand): Likewise.
3877         * regrename.c: No need to define REG_OK_STRICT.
3878
3879 2004-08-09  Steven Bosscher  <stevenb@suse.de>
3880
3881         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
3882         New timers.
3883         * gcse.c: Include timevar.h.
3884         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
3885         and global_copy_prop_count.
3886         (local_const_prop_count, local_copy_prop_count): New static globals.
3887         (gcse_main): Set the right timevar for each pass.
3888         (cprop_jump): Increment global_const_prop_count when a constant is
3889         propagated.  Add "GLOBAL" to dump output.
3890         (cprop_insn): Increment global_const_prop_count when a constant is
3891         propagated, or global_copy_prop_count when a copy is propagated.
3892         (do_local_cprop): Likewise for local_const_prop_count and
3893         local_copy_prop_count.
3894         (one_cprop_pass): Initialize const/cprop counters to zero.
3895         Print out results of local and global const/cprop separately.
3896         (bypass_block): Break over-length line.
3897         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
3898         for bb-reorder.o and tracer.o.
3899
3900 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3901
3902         * Makefile.in (GTFILES): Remove stmt.c
3903         (stmt.o): Do not depend on gt-stmt.h.
3904         * emit-rtl.c (emit_line_note): Do not call
3905         set_file_and_line_for_stmt.
3906         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
3907         do everything.
3908         * function.c (free_after_parsing): Do not free STMT field.
3909         (allocate_struct_function): Do not call init_stmt_for_function.
3910         (assign_stack_temp_for_type): Do not accept values of keep
3911         other than 0 or 1.
3912         (init_temp_slots): Do not initialize removed variables.
3913         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
3914         and X_VAR_TEMP_SLOT_LEVEL fields.
3915         * rtl.h (set_file_and_line_for_stmt): Remove.
3916         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
3917         struct stmt_status, cond_stack, case_stack, nesting_stack,
3918         nesting_depth, emit_locus, set_file_and_line_for_stmt,
3919         same_case_target_p, init_stmt_for_function, emit_nop,
3920         expand_start_cond, expand_start_elseif, expand_start_else,
3921         expand_elseif, expand_end_cond): Remove.
3922         (preserve_subexpressions_p): Remove references to CFUN->STMT.
3923         (expand_start_case, expand_end_case_type): Remove, merge into...
3924         (expand_case): ... this one, including other bits from
3925         expand_expr_real_1.  Inline same_case_target_p.  Turn members
3926         of CASE_STACK into local variables.
3927         (emit_case_bit_tests): Inline same_case_target_p.
3928         (add_case_node): Add HEAD argument, return new head of the list,
3929         do not handle default label here.
3930         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
3931         expand_start_elseif, current_nesting_level, expand_start_case,
3932         expand_end_case_type, expand_end_case, add_case_node,
3933         init_stmt_for_function, expand_elseif): Remove prototypes.
3934         (expand_case): Add prototype.
3935
3936 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3937
3938         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
3939
3940 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3941
3942         * expr.c (var_rtx): Remove.
3943         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
3944         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
3945         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
3946         Abort.
3947         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
3948         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
3949         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
3950
3951 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
3952         Ayal Zaks <zaks@il.ibm.com>
3953
3954         * common.opt (freschedule-modulo-scheduled-loops): New flag.
3955         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
3956         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
3957         when -freschedule-modulo-scheduled-loops flag is not specified.
3958         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
3959         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
3960         More accurate placing of insn in row of partial schedule.
3961         (ps_insn_find_column): New function.
3962         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
3963         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
3964         (schedule_region): Use sched_is_disabled_for_current_region_p.
3965         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
3966
3967 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3968
3969         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
3970         change.
3971
3972 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3973
3974         * config/i386/i386.c (ix86_expand_clrmem): Properly call
3975         gen_strset for 64bit target.
3976
3977 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
3978
3979         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
3980
3981 2004-08-07  Jason Merrill  <jason@redhat.com>
3982
3983         Make return in memory explicit.
3984         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
3985         (assign_parm_find_data_types): Remove code for old front end
3986         invisible reference handling.
3987         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
3988         (expand_function_end): Likewise.
3989         * gimplify.c (gimplify_return_expr): Handle a dereferenced
3990         RESULT_DECL.
3991         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
3992         (declare_return_variable): Handle DECL_BY_REFERENCE.
3993         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
3994         (cp_genericize_r): Use convert_from_reference.
3995         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
3996         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
3997
3998         * c-common.c (c_warn_unused_result): Check TREE_USED before
3999         warning about a CALL_EXPR with an unused value.
4000
4001 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4002
4003         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
4004         to the compiler.  Use -fshort-wchar by default.
4005
4006 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
4007
4008         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
4009         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
4010         threshhold.
4011         * doc/invoke.texi (param): Document min-crossjump-insns.
4012
4013 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
4014
4015         PR c/13282
4016         * c.opt (Wmissing-field-initializers): New option.
4017         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
4018         * c-typeck.c (pop_init_level): Guard the missing field warning with
4019         warn_missing_field_initializers rather than extra_warnings.
4020         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
4021         some of the explanation from...
4022         (-Wextra): ...here.  Say that the missing field warning can be
4023         seperately controlled by -Wmissing-field-initializers.
4024
4025 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
4026
4027         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
4028         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
4029         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
4030         * tree.def (ENTRY_VALUE_EXPR): Remove.
4031
4032 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
4033
4034         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
4035         the places where it is actually needed.  Don't use repz; stosb
4036         for -Os with sufficiently small constant sizes.
4037         For sufficiently small repz; stos{l,q} repeat counts use a sequence
4038         of stos{l,q} instructions instead.
4039
4040 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4041
4042         PR tree-optimization/16807
4043         * loop-iv.c (dump_iv_info): Dump invariants correctly.
4044         (iv_subreg, iv_extend): Express value of invariant purely in
4045         base field.
4046
4047 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
4048
4049         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
4050         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
4051
4052 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
4053
4054         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
4055         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
4056         pre_dec_operand.
4057         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
4058         pattern until reload is finished to allow better code generation
4059         and split them completely into separate instrunctions.
4060         (*andsi3_split): New pattern.
4061
4062 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
4063
4064         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
4065         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
4066         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4067         * tree.h (handle_dll_attribute): Declare.  Test
4068         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4069         * c-common.h (c_determine_visibility): Declare.
4070         * c-common.c (c_determine_visibility): New function.
4071         * c-decl.c (finish_decl): Use it.
4072         (finish_function): Likewise.
4073         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
4074         zero, by default.  Use #if, not #ifdef, to test it.
4075         * config/arm/arm.c (arm_attribute_table): Use
4076         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
4077         #if.
4078         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
4079         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4080         to 1.
4081         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
4082         * config/i386/i386.c (ix86_attribute_table): Use
4083         handle_dll_attribute for dllimport/dllexport.  Test
4084         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
4085         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
4086         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4087         it to 1.
4088         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
4089         with #if.
4090         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
4091         it to 1.
4092         * doc/extend.texi (dllexport): Clarify and correct documentation.
4093         (dllimport): Likewise.
4094         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
4095         handle_dll_attribute.
4096
4097 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4098
4099         * tree-ssa-loop-manip.c: New file.
4100         * Makefile.in (tree-ssa-loop-manip.o): Add.
4101         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
4102         Declare.
4103         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
4104         form.
4105         (tree_ssa_loop_done): Verify loop closed ssa form.
4106         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
4107
4108 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4109
4110         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
4111         pa_asm_output_aligned_local): New functions.
4112         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
4113         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
4114         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
4115         pa_asm_output_aligned_common.
4116         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4117         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
4118         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4119         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4120         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
4121         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
4122         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
4123         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
4124         common data.
4125
4126 2004-08-05  Andrew Pinski  <apinski@apple.com>
4127
4128         * objc/objc-act.c (build_objc_string_object): Mark the address
4129         expression as constant.
4130
4131 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
4132
4133         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
4134         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
4135         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
4136
4137 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4138
4139         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
4140         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
4141         out, and associated obsolete comments.
4142
4143 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
4144
4145         * tree.h (force_fit_type): Return a tree, take three flags.
4146         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
4147         TREE_CONSTANT_OVERFLOW here.
4148         (int_const_binop, const_binop): Adjust.
4149         (size_int_type): Do sign extension here.
4150         (fold_convert_const, optimize_bit_field_compare,
4151         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
4152         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
4153         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
4154
4155 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4156
4157         PR tree-optimization/16864
4158         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
4159         for ssa names without default_def.
4160
4161 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
4162
4163         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
4164         frame pointer, restore eax with an ebp-relative address.
4165
4166 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
4167
4168         PR 14516
4169         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
4170         * c-common.h (make_rtl_for_local_static): Delete.
4171         * c-decl.c (shadow_tag_warned): Clean up comment.
4172         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
4173         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
4174         * c-semantics.c (make_rtl_for_local_static): Delete.
4175         * expr.c (init_block_move_fn): Use set_user_assembler_name.
4176         (init_block_clear_fn): Likewise.
4177         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
4178         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
4179         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
4180         * tree.h (make_decl_rtl): Remove second parameter.
4181         (set_user_assembler_name): New.
4182         * varasm.c (set_user_assembler_name): New.
4183         (make_decl_rtl): Remove second parameter.  Update callers in many
4184         files.
4185
4186 2004-08-05  Adam Nemet  <anemet@lnxw.com>
4187
4188         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
4189         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
4190         to LynxOS 4.0.
4191         * gthr-lynx.h: New file.
4192         * config/lynx-ng.h: Remove file.
4193         * config/lynx.h: Update to LynxOS 4.0.
4194         * config/t-lynx: New file.
4195         * config/i386/lynx-ng.h: Remove file.
4196         * config/i386/lynx.h: Update to LynxOS 4.0.
4197         * config/rs6000/lynxbase.h: Remove file.
4198         * config/rs6000/lynx.h: Update to LynxOS 4.0.
4199         * config/rs6000/t-lynx: New file.
4200         * doc/install.texi (Options specification): Remove reference to
4201         LynxOS from systems where --with-gnu-as makes a difference.
4202
4203 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
4204
4205         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
4206         __UINTMAX_TYPE__.
4207         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
4208         __INTMAX_MAX__.
4209         (c_cpp_builtins): Call it.
4210         * doc/cpp.texi: Update.
4211
4212 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
4213
4214         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
4215         cost.
4216
4217 2004-08-04  Jan Hubicka  <jh@suse.cz>
4218
4219         * basic-block.h (profile_staus): New global variable.
4220         * cfg.c (profile_status): Declare.
4221         (check_bb_profile): Break out from ....; use profile_status
4222         (dump_flow_info): ... here.
4223         * cfgbuild.c (find_basic_blocks): Set profile_status.
4224         * cfgexpand.c (tree_expand_cfg): Likewise.
4225         * predict.c (estimate_probability): Likewise.
4226         * profile.c (branch_prob): Likewise.
4227         * tree-cfg.c (build_tree_cfg): Likewise.
4228         (dump_function_to_file): Use check_bb_profile.
4229         * tree-pretty-print (dump_bb_header): Likewise.
4230         * tree-profile.c (do_tree_profiling): Cleanup.
4231
4232 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
4233
4234         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
4235         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
4236         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
4237         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
4238         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
4239         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
4240         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
4241         (ggc-none.o, errors.o): Move rule to generators section;
4242         correct dependencies.
4243         (min-insn-modes.o): Move rule to generators section; remove
4244         unnecessary explicit command; correct dependencies.
4245         (print-rtl.o, print-rtl1.o): Correct dependencies.
4246         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
4247         (mostlyclean): Update.
4248
4249         * errors.c: Include bconfig.h not config.h.  Correct comment.
4250         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
4251         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
4252         * print-rtl.c: Don't include tm_p.h.
4253
4254         * rtl.h: Move forward-decl of struct function down where it's
4255         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
4256         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
4257
4258 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4259             Jeff Law  <law@redhat.com>
4260
4261         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
4262         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
4263         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
4264         manipulate the duplicated ssa names.
4265         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
4266         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
4267         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
4268         New functions.
4269         (release_ssa_name): Do not release ssa names that may have multiple
4270         definitions.
4271         * tree.h (release_ssa_name_force, mark_for_rewrite,
4272         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
4273         marked_ssa_names): Declare.
4274         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
4275         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
4276         Update call to rewrite_ssa_into_ssa.
4277
4278 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
4279
4280         * defaults.h (TARGET_DECLSPEC): New macro.
4281         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
4282         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
4283         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
4284         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
4285         __declspec support.
4286         (TARGET_DECLSPEC): Define.
4287         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
4288         __declspec support.
4289         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
4290         __declspec support.
4291         (TARGET_DECLSPEC): Define.
4292         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
4293         __declspec support.
4294         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
4295         support.
4296         * doc/tm.texi (TARGET_DECLSPEC): Document.
4297
4298         * doc/extend.texi: Fix typo in comment.
4299
4300 2004-08-04  Paul Brook  <paul@codesourcery.com>
4301
4302         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4303         (TARGET_CXX): Use it.
4304         * target.h (struct gcc_target): Add cdtor_returns_this.
4305         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
4306         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
4307         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
4308
4309 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
4310
4311         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
4312         low/high pair. Do range checking directly.
4313         (interpret_integer): Adjust.
4314
4315 2004-08-04  Nick Clifton  <nickc@redhat.com>
4316
4317         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
4318         GCC ABI.
4319         * doc/invoke.texi: Document this new switch and also the -mrenesas
4320         switch.
4321
4322 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
4323
4324         * cfglayout.c (insn_locators_initialize): Update the current
4325         location before initializing a location.
4326
4327 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4328
4329         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
4330         (dbxout_function_end): Return after emitting the "Lscope" symbol
4331         under the same conditions that this function formerly wasn't called.
4332         Add explanatory comments.
4333
4334         PR 14860
4335         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
4336         on the new decl.
4337
4338         PR 13956
4339         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
4340         functions, broken out of dbxout_block.
4341         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
4342         stabs too, if it contains symbols.  Use the begin_label and
4343         the Lscope label (emitted by dbxout_function_end) for the
4344         range of this block.
4345
4346 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
4347
4348         * doc/install.texi: Update autoconf version requirements.
4349
4350 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4351
4352         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
4353         * recog.c (general_operand, immediate_operand, nonmemory_operand)
4354         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
4355         * regclass.c (record_reg_classes): Likewise.
4356         * reload.c (find_reloads): Likewise.
4357         * reload1.c (reload): Likewise.
4358
4359 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
4360
4361         * gensupport.c (init_md_reader_args_cb): Renamed from
4362         init_md_reader_args.  Add third option, callback function for
4363         parsing program-specific options.  Add diagnosis of incorrect
4364         number of input files.
4365         (init_md_reader): Fold into init_md_reader_args_cb.
4366         (init_md_reader_args): Now a thin wrapper around
4367         init_md_reader_args_cb.
4368         * gensupport.h: Update prototypes.
4369
4370         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4371         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4372         * genrecog.c: No need to diagnose lack of an input file;
4373         init_md_reader_args will handle it.
4374         * genconditions.c: Likewise, and use init_md_reader_args.
4375         * genconstants.c: Likewise, and no need to call read_md_rtx.
4376
4377 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
4378
4379         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
4380         declarations.
4381
4382 2004-08-03  Mike Stump  <mrs@apple.com>
4383
4384         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
4385         for frameworks.
4386         * doc/invoke.texi (Darwin Options): Update to reflect above.
4387
4388 2004-08-03  Roger Sayle  <roger@eyesopen.com>
4389
4390         PR middle-end/16790
4391         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
4392         truncations, not just global truncations.
4393
4394 2004-08-03  Andrew Pinski  <apinski@apple.com>
4395
4396         PR bootstrap/16865
4397         * loop-iv.c (simplify_using_assignment): Initialize lhs.
4398
4399 2004-08-03  Paul Brook  <paul@codesourcery.com>
4400
4401         * gcc/doc/install.texi: Document MPFR requirement.
4402
4403 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
4404
4405         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
4406         and mmap() explicitly instead of relying on preset autoconf cache
4407         variables.
4408         * configure: Regenerate.
4409
4410 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4411
4412         PR target/16570
4413         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
4414         to tmake_file.
4415         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
4416         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
4417         to tmake_file.
4418
4419         * config/i386/t-gmm_malloc: New file.
4420         * config/i386/t-pmm_malloc: Likewise.
4421
4422         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
4423
4424 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
4425             Tanguy Fautrà <tfautre@pandora.be>
4426
4427         * config/i386/pmm_malloc.h: New file.
4428
4429 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
4430
4431         * config/i386/gmm_malloc.h: New file.
4432
4433 2004-08-03  Dale Johannesen  <dalej@apple.com>
4434
4435         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
4436         * c-common.c: Include opts.h.
4437         (c_common_get_alias_set): Fix check for a single input file.
4438         * toplev.c: Remove current_file_decl.
4439         * tree.h: Ditto.
4440
4441 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
4442
4443         * config.gcc (arm*-*-symbianelf*): New target.
4444         * config/arm/symbian.h: New file.
4445
4446         * gthr-gnat.c: Add visibility #pragmas.
4447         * gthr-gnat.h : Likewise.
4448         * gthr.h: Likewise.
4449         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
4450         (__ffsDI2): Likewise.
4451         (__clzSI2): Likewise.
4452         (__ctzSI2): Likewise.
4453         (__ctzDI2): Likewise.
4454         (__popcountSI2): Likewise.
4455         (__popcountDI2): Likewise.
4456         (__paritySI2): Likewise.
4457         (__parityDI2): Likewise.
4458         * libgcc2.h: Add visibility #pragmas.
4459         (__clzDI2): Add prototype.
4460         (__clzSI2): Likewise.
4461         (__ctzSI2): Likewise.
4462         (__ffsDI2): Likewise.
4463         (__ffsSI2): Likewise.
4464         (__ctzDI2): Likewise.
4465         (__popcountSI2): Likewise.
4466         (__popcountDI2): Likewise.
4467         (__paritySI2): Likewise.
4468         (__parityDI2): Likewise.
4469         * unwind-dw2-fde.h: Add visibility #pragmas.
4470         * unwind.h: Likewise.
4471
4472 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
4473             Dale Johannesen  <dalej@apple.com>
4474             Roger Sayle  <roger@eyesopen.com>
4475
4476         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
4477         constants more accurately.  Adjust costs for FMA instructions.
4478         Add cases for most logical and float operations.  Recurse into
4479         most operands.
4480
4481 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4482
4483         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
4484
4485 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
4486
4487         * ra-build.c (conflicts_between_webs): For webs that cross a call add
4488         conflicts to regs_invalidated_by_call.
4489
4490 2004-08-03  Paul Brook  <paul@codesourcery.com>
4491
4492         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
4493
4494 2004-08-03  Jan Hubicka  <jh@suse.cz>
4495
4496         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
4497         ARRAY_REF argument.
4498
4499 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
4500
4501         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
4502         arm968es, arm10e, arm1020e, arm1022e.
4503         * invoke.texi: Update list of ARM cores.
4504         * arm-tune.md: Regenerate.
4505
4506 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
4507
4508         * arm/gentune.sh: New file.
4509         * arm/t-arm: New file.
4510         * arm/arm-tune.md: New file (autogenerated).
4511         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
4512         * arm.md (attribute tune): Delete.  Include arm-tune.md.
4513
4514 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
4515
4516         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
4517         penultimate parameter.  All callers adjusted.
4518         (struct prefix_list): Remove used_flag_ptr.
4519         (find_a_file): Do not set *pl->used_flag_ptr.
4520         (warn_B, warn_std_ptr): Remove.
4521
4522 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
4523             Mostafa Hagog <mustafa@il.ibm.com>
4524
4525         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
4526
4527 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
4528
4529         * dwarf2out.c (output_call_frame_info): Don't change data format
4530         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
4531         label.  Use 'true' not '1'.
4532         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
4533         required.
4534
4535 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
4536
4537         * gdbinit.in: Reflect previous changes to rtunion_def.
4538
4539 2004-08-02  Roger Sayle  <roger@eyesopen.com>
4540
4541         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
4542         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
4543
4544 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4545
4546         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
4547         vec_p_reserve.
4548         * langhooks.h (lang_hooks::builtin_function): Rename parameter
4549         from "class" to "bt_class".
4550
4551 2004-08-02  Paul Brook  <paul@codesourcery.com>
4552
4553         PR rtl-optimization/15068
4554         * flow.c (init_propagate_block_info): Check condition is reversible.
4555
4556 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4557
4558         * gengtype.h (options::info): Change type to const char *.
4559         (enum gc_used_enum): Move out of struct type scope.
4560         * gengtype.c (create_option): Convert initializer for option::info to
4561         appropiate type.
4562         (adjust_field_type, walk_type, write_func_for_structure,
4563         write_root, write_roots): Remove pointless cast.
4564
4565 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
4566
4567         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
4568
4569 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4570
4571         * rtl.h (union rtunion_def): Have all members  start with the
4572         prefix "rt_".
4573         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
4574         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
4575         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
4576         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
4577         access.
4578         * gengtype.c (adjust_field_rtx_def): Likewise.
4579         * rtlanal.c (loc_mentioned_in_p): Likewise.
4580
4581 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
4582
4583         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
4584         Replace uses of mips/elf64.h with mips/elf.h
4585         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
4586         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
4587         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
4588         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
4589         (HANDLE_SYSV_PRAGMA): Delete.
4590         (ASM_OUTPUT_DEF): Fix formatting.
4591         * config/mips/elf64.h: Delete.
4592
4593 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
4594
4595         * config/ia64/ia64.c (got_symbolic_operand): Do require a
4596         symbol+offset operand to have its offset be zero mod 0x3fff
4597         when GOT entries are in use.  Clarify logic in SYMBOL_REF
4598         case.  Clarify comments.
4599         (ia64_expand_load_address): Split a symbol+offset load when
4600         the offset is nonzero mod 0x3fff, not 0x1fff.
4601
4602 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
4603
4604         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
4605         if trying to *store* to a non-offsettable address.
4606         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
4607         a nonoffsettable address.
4608         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
4609         Clean up.
4610         (movti_string): Don't move GPRs to a nonoffsettable address.
4611         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
4612
4613 2004-08-02  Ben Elliston  <bje@au.ibm.com>
4614
4615         PR target/16155
4616         * config/rs6000/altivec.h: Replace typeof with __typeof__.
4617
4618 2004-08-01  Richard Henderson  <rth@redhat.com>
4619
4620         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
4621         variable sized types.
4622
4623 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4624
4625         * doc/invoke.texi: In the MIPS options section, remove the passage
4626         saying that -mexplicit-relocs is usually disabled for -mabicalls
4627         -fno-unit-at-a-time.
4628         * config/mips/mips.c (override_options): Remove the code that enforced
4629         this rule.
4630
4631 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4632
4633         * config/mips/mips.md (cprestore): Provide two alternatives, one for
4634         an in-range offset and one for an out-of-range offset.  Wrap the latter
4635         in .set macro/.set nomacro if it's inside a .set nomacro block.
4636
4637 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
4638
4639         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
4640         (mips_restore_gp): Declare.
4641         * config/mips/mips.c (mips_add_offset): Add a scratch register
4642         argument.  Reimplement in rtl only, reusing MIPS16 logic from
4643         mips_output_mi_thunk.
4644         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
4645         to mips_add_offset.
4646         (mips_gp_save_slot): Delete.
4647         (mips_restore_gp): New function.
4648         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
4649         * config/mips/mips.md (exception_receiver): Turn into a
4650         define_insn_and_split.  Use mips_restore_gp to do the split.
4651         (call_internal, call_value_internal, call_value_multiple_internal): Use
4652         mips_restore_gp to restore $gp.
4653
4654 2004-07-31  Andrew Pinski  <apinski@apple.com>
4655
4656         PR other/16842
4657         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
4658
4659 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4660
4661         * c-decl.c (diagnose_mismatched_decls): Give error for external
4662         redeclaration of identifier declared with no linkage, not just
4663         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
4664         error for redeclaration with no linkage.
4665
4666 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
4667             Fariborz Jahanian <fjahanian@apple.com>
4668
4669         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
4670         non-offsettable addresses even for DImode.
4671         (rs6000_split_multireg_move): Cope with non-offsettable addresses
4672         being moved into multiple GPRs.
4673
4674         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
4675         to 64.
4676         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
4677         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
4678         to 128.
4679         * config/rs6000/darwin-ldouble.c (isless): New macro.
4680         (inf): New macro.
4681         (nonfinite): New macro.
4682         (FPKINF): Delete.
4683         (_xlqadd): Completely rewrite.
4684         (_xlqmul): Correct overflow handling.
4685         (_xlqdiv): Correct overflow handling.
4686         * config/rs6000/darwin-ldouble-format: New file.
4687
4688 2004-07-30  Roger Sayle  <roger@eyesopen.com>
4689             Richard Henderson  <rth@redhat.com>
4690
4691         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
4692         9 into the equivalent lea instruction.
4693
4694 2004-07-30  Richard Henderson  <rth@redhat.com>
4695
4696         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
4697         with DECL_INITIAL if fb_lvalue.
4698         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
4699         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
4700         with <Cxxx>.
4701         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
4702
4703 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4704
4705         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
4706         pointer escapes through a function call, assume that the
4707         callee will dereference it.
4708         (add_pointed_to_var): Assume that VALUE is always an
4709         ADDR_EXPR.
4710         (collect_points_to_info_r): Only call add_pointed_to_var if
4711         the value is an ADDR_EXPR.
4712
4713 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
4714
4715         * tree-ssa-alias.c (create_alias_map_for): Do not get the
4716         alias set of the inner type of ARRAY_TYPEs.
4717
4718 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4719
4720         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
4721         setting a non-register to UNDEFINED right before the call to
4722         set_lattice_value.
4723
4724 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4725
4726         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
4727
4728 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4729
4730         * tree-ssa.c (verify_flow_sensitive_alias_info): When
4731         comparing points-to sets of different pointers, make sure the
4732         second pointer is actually referenced in the code.
4733
4734 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
4735
4736         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
4737         (got_symbolic_operand): Remove unreachable code.
4738         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
4739         setjmp_operand; add entry for tls_symbolic_operand.
4740         * config/ia64/ia64-protos.h: Remove all prototypes of
4741         predicate functions.
4742
4743 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
4744
4745         * c-common.h (lang_post_pch_load): New variable.
4746         * c-pch.c (lang_post_pch_load): Define it.
4747         (c_common_read_pch): Use it.
4748         * cgraphunit.c (record_call_1): Give the front end a chance to
4749         record additional needed entities when a variable is marked as
4750         needed.
4751         * tlink.c (recompile_files): Robustify.
4752         (scan_linker_output): If a symbol is assigned to a file,
4753         but after recompilation is not present there, issue an error
4754         message.
4755
4756 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4757
4758         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
4759         Take orig_loop argument and pass it to set_level.
4760         (schedule_sm): Pass the correct orig_loop to force_move_till.
4761
4762 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4763
4764         * cfgloop.c (update_latch_info): Update dominator of the new block.
4765         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
4766         info.
4767         * dominance.c (verify_dominators): Check that the dominance tree is
4768         connected.
4769         (recount_dominator): Ignore unreachable blocks.
4770         (iterate_fix_dominators): Cleanup old dominance information before
4771         recomputing it.
4772
4773 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
4774
4775         * tree-ssa-operands.c (get_expr_operands): Revert changes
4776         to ADDR_EXPR processing introduced by:
4777             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4778             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
4779
4780 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
4781
4782         * doc/implement-c.texi: Add C90 subclause references.  Point to
4783         preprocessor documentation instead of duplicating it.  Add points
4784         only present in C90.  Fill in documentation for all points.
4785
4786 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4787
4788         * pa.c (output_movb): Correct typo.
4789
4790 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
4791
4792         * ra.h (single_reg_in_regclass): Declare.
4793         * ra.c (single_reg_in_regclass): Define.
4794         (first_hard_reg): New.
4795         (init_ra): Initialize single_reg_in_regclass.
4796         * ra-colorize.c (ok_class): New.
4797         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
4798
4799 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
4800
4801         * gcov-io.h: Allow zero tag as EOF indicator.
4802         (gcov_is_eof): Remove.
4803         (gcov_truncate): Remove.
4804         * gcov-io.c (gcov_seek): Always SEEK_SET.
4805         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
4806         EOF tag.
4807         * coverage.c (read_counts_file): Don't use gcov_is_eof.
4808         * gcov-dump.c (dump_file): Likewise.
4809         * gcov.c (read_graph_file, read_count_file): Likewise.
4810
4811         * c-decl.c (complete_array_type): Don't gratuitously copy
4812         maxindex.  Check it always has a type.
4813
4814 2004-07-29  Steven Bosscher  <stevenb@suse.de>
4815
4816         * rtl.c (currently_expanding_to_rtl): New.
4817         * rtl.h (currently_expanding_to_rtl): Export it.
4818         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
4819
4820         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
4821         inliner hack.
4822         * config/sh/sh.c: Replace rtx_equal_function_value_matters
4823         with currently_expanding_to_rtl.
4824         * config/sh/sh.md: Likewise.
4825         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
4826
4827 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4828
4829         Introduce sh2a support.
4830         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
4831         * config.gcc: Build multilibs for sh2a and sh2a-single by
4832         default.
4833         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
4834         default.  Split their tests out of the corresponding SH4
4835         multilibs.
4836         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
4837         multilibs for SH2a.
4838         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4839         * config.gcc: Handle sh2a multilibs and cpu selection.
4840         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
4841         * config/sh/t-mlib-sh2a: New.
4842         * config/sh/t-mlib-sh2a-nofpu: New.
4843         * config/sh/t-mlib-sh2a-single: New.
4844         * config/sh/t-mlib-sh2a-single-only: New.
4845         2004-07-09  Nick Clifton  <nickc@redhat.com>
4846         Issue 43400
4847         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
4848         -ml and -m2a are used together.
4849         2004-03-23  DJ Delorie  <dj@redhat.com>
4850         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
4851         when we have a double-sized FPU.
4852         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4853         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
4854         is set.
4855         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
4856         -msh2a-single and -msh2a-single-only
4857         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
4858         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
4859         is set.
4860         2004-02-20  DJ Delorie  <dj@delorie.com>
4861         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
4862         2004-02-20  Fred Fish <fnf@redhat.com>,
4863         Corinna Vinschen <vinschen@redhat.com>
4864         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
4865         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
4866         2004-02-18  DJ Delorie  <dj@redhat.com>
4867         * config/sh/sh.c (broken_move): Add support for movi20.
4868         * config/sh/sh.h: Likewise.
4869         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
4870         * config/sh/sh.md (udivsi3_sh2a): New.
4871         (udivsi3): Call it.
4872         (divsi3_sh2a): New.
4873         (divsi3): Call it.
4874         (mul_r): New.
4875         (ashlsi3_sh2a): New.
4876         (ashrsi3_sh2a): New.
4877         (lshrsi3_sh2a): New.
4878         (movsi_i): Disable for sh2a.
4879         (movsi_ie): Add movi20.
4880         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
4881         sh2a, for -m2a-nofpu mode.
4882         2004-02-13  DJ Delorie  <dj@redhat.com>
4883         * config/sh/lib1funcs.asm: Handle double vs single better.
4884         * config/sh/sh.h: Likewise.
4885         2004-02-09  DJ Delorie  <dj@redhat.com>
4886         * config/sh/crt1.asm: Add support for sh2a.
4887         * config/sh/elf.h: Likewise.
4888         * config/sh/lib1funcs.asm: Likewise.
4889         * config/sh/sh.c: Likewise.
4890         * config/sh/sh.md: Likewise.
4891         * config/sh/sh.h: Likewise.
4892         * config/sh/t-sh: Likewise.
4893
4894 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4895
4896         * config/frv/frv.md (movqi_internal, movhi_internal,
4897         movsi_internal): Add backup alternatives for memory inputs.
4898
4899 2004-07-28  Matt Austern  <austern@apple.com>
4900
4901         * config/darwin.c (darwin_one_byte_bool): New global variable.
4902         * config/darwin.h (darwin_one_byte_bool): Declare.
4903         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
4904         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
4905         value of darwin_one_byte_bool.
4906         * doc/invoke.texi: Document -mone-byte-bool flag.
4907
4908 2004-07-28  Eric Christopher  <echristo@redhat.com>
4909
4910         * c-common.c (c_common_unsafe_for_reeval): Delete.
4911         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
4912         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
4913         * calls.c (fix_unsafe_tree): Delete.
4914         (expand_call): Delete code which used above.
4915         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
4916         * expr.c (expand_expr_real_1): Ditto.
4917         * fold-const.c (non_lvalue): Ditto.
4918         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
4919         (lhd_unsafe_for_reeval): Ditto.
4920         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
4921         * langhooks.h (unsafe_for_reeval): Ditto.
4922         (unsave_expr_now): Adjust comment.
4923         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
4924         (estimate_num_insns_1): Ditto.
4925         * tree-pretty-print.c (dump_generic_node): Ditto.
4926         * tree.c (expr_align): Ditto.
4927         (unsave_expr): Delete.
4928         (unsafe_for_reeval): Ditto.
4929         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
4930         * tree.def (UNSAVE_EXPR): Delete.
4931         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
4932
4933 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
4934
4935         * tree.h (enum tls_model): Move ...
4936         * coretypes.h: ... here.
4937
4938 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
4939
4940         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
4941
4942 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
4943
4944         * cse.c (validate_canon_reg): New function, split out from...
4945         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
4946
4947 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4948
4949         * tree-ssa-alias.c (maybe_create_global_var): Don't just
4950         return if .GLOBAL_VAR has been created.
4951
4952 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
4953
4954         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
4955         every variable that may have aliases, not just tags.
4956
4957 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
4958
4959         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
4960         move_from_CR_eq_bit.
4961         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
4962
4963
4964         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
4965         e500_flip_eq_bit.
4966
4967         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
4968         output_e500_flip_eq_bit.
4969
4970         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
4971         output_e500_flip_eq_bit.
4972         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
4973         output_e500_flip_eq_bit.
4974         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
4975         (print_operand): case D.  Get to EQ bit.
4976
4977 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
4978
4979         * gcov.c (function_summary): Add missing \n.
4980
4981 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
4982
4983         Introduce sh4a support.
4984         * config.gcc: Handle sh4a multilibs and cpu selection.
4985         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
4986         * config/sh/t-mlib-sh4a: New.
4987         * config/sh/t-mlib-sh4al: New.
4988         * config/sh/t-mlib-sh4a-nofpu: New.
4989         * config/sh/t-mlib-sh4a-single: New.
4990         * config/sh/t-mlib-sh4a-single-only: New.
4991         2004-02-20  DJ Delorie  <dj@redhat.com>
4992         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
4993         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
4994         2003-08-22  Eric Christopher  <echristo@redhat.com>
4995         * config/sh/sh4a.md: Update for chip errata.
4996         2003-08-07  Eric Christopher  <echristo@redhat.com>
4997         * config/sh/sh4a.md: New file. sh4a processor description.
4998         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
4999         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
5000         of -m4a-nofpu.
5001         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
5002         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
5003         * doc/invoke.texi (SH Options): Document -m4al.
5004         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
5005         * config/sh/sh.c (expand_block_move): Remove commented-out code
5006         checked in by mistake.
5007         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
5008         single elements from SFmode vectors.
5009         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
5010         register.
5011         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
5012         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
5013         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
5014         sh_fsca_int2sf): Remove variable declarations.
5015         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5016         sh_fsca_int2sf): New functions.
5017         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
5018         sh_fsca_int2sf_rtx): New static variables.
5019         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
5020         sh_fsca_int2sf): Declare.
5021         * config/sh/sh.md: Adjust.
5022         * doc/invoke.texi (SH Options): Document new options.
5023         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
5024         compatibility from SH4 code.
5025         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
5026         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
5027         early.
5028         (memory_movsrc_operand): Renamed to...
5029         (unaligned_load_operand): ... this.  Simplified.
5030         * config/sh/sh.h (PREDICATE_CODES): Adjust.
5031         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
5032         input operand to SImode, and adjust the others.  Introduce
5033         post-increment by peephole.
5034         * config/sh/sh.c (expand_block_move): Give the target address the
5035         same mode as the temp reg.
5036         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
5037         copying.
5038         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
5039         Introduce support for SH4a.
5040         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
5041         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
5042         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
5043         sh_fsca_int2sf): New.
5044         (sh_init_builtins): Initialize them.
5045         (print_operand): Support `d'.
5046         (expand_block_move): Use movua if src is misaligned.
5047         (memory_movsrc_operand): New.
5048         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
5049         and one of the SH4 macros.
5050         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
5051         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
5052         SELECT_SH4A_SINGLE): New.
5053         (TARGET_NONE): Add SH4A_BIT.
5054         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
5055         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
5056         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
5057         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
5058         (enum processor_type): Added PROCESSOR_SH4A.
5059         (PREDICATE_CODES): Add memory_movsrc_operand.
5060         * config/sh/sh.md: Removed unused variables.
5061         (attr cpu): Add sh4a.
5062         (attr type): Add movua, fsrra and fsca.
5063         (prefetch): New, for SH4.
5064         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
5065         (toggle_sz): Set type to fp.
5066         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
5067         (movua, extv, extzv): New.
5068         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
5069         and 4a-single-only.
5070
5071 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5072
5073         * tree-optimize.c (init_tree_optimization_passes): Schedule
5074         pass_may_alias right after the program is renamed into SSA.
5075         * tree-pass.h (PROP_alias): Define.
5076         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
5077         * tree-sra.c (pass_sra): Likewise.
5078         * tree-ssa-ccp.c (pass_ccp): Likewise.
5079         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
5080         * tree-ssa-dce.c (pass_dce): Likewise.
5081         * tree-ssa-dom.c (pass_dominator): Likewise.
5082         * tree-ssa-dse.c (pass_dse): Likewise.
5083         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5084         * tree-ssa-loop-ch.c (pass_ch): Likewise.
5085         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
5086         * tree-ssa-pre.c (pass_pre): Likewise.
5087         * tree-tailcall.c (pass_tail_recursion): Likewise.
5088         * tree-ssa.c (pass_redundant_phi): Likewise.
5089         * tree-ssa-alias.c (aliases_computed_p): Remove.
5090         Update all users.
5091         (init_alias_info): Do not mark all type tags for renaming
5092         unconditionally.
5093         Clear may_aliases from every symbol.
5094         (setup_pointers_and_addressables): If a pointer has not been
5095         dereferenced and it had a type tag, clear it and mark the old
5096         tag for renaming.
5097
5098 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
5099
5100         PR tree-optimization/16705
5101         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
5102         .GLOBAL_VAR.
5103
5104 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5105
5106         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
5107         check.
5108
5109         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
5110         don't make another one.
5111
5112         PR optimization/15077
5113         * function.h (struct function): Add field saved_static_chain_decl.
5114         Fix comment for static_chain_decl.
5115         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
5116         * tree-inline.h (save_body): Add new arg.
5117         * tree-optimize.c (tree_rest_of_compilation): Handle saving
5118         static_chain_decl.
5119
5120 2004-07-27  Richard Henderson  <rth@redhat.com>
5121
5122         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
5123         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
5124         is_gimple_addressable.
5125         * tree-gimple.c (is_gimple_addressable): Rename from
5126         is_gimple_addr_expr_arg; accept INDIRECT_REF.
5127         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
5128         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
5129         rename to is_gimple_addressable.
5130
5131 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
5132
5133         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
5134
5135 2004-07-27  Richard Henderson  <rth@redhat.com>
5136
5137         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
5138         before rounding.
5139
5140 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
5141
5142         * libgcc2.c: Change all conditionals testing
5143         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
5144         * libgcc2.h: Likewise.
5145         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
5146         TYPE_PRECISION of float80_type to 80.
5147         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
5148         of fpreg_type and float80_type to 80.
5149         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
5150         * config/m68k/netbsd-elf.h:
5151         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
5152         to evaluate to 80 whenever they would formerly have evaluated to 96.
5153         * config/i386/sco5.h: Remove unnecessary redefinition of
5154         LONG_DOUBLE_TYPE_SIZE.
5155         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
5156         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
5157         XFmode, with a bitsize of 80.  Update commentary.
5158         * config/ia64/ia64-modes.def: Likewise.
5159         * config/m68k/m68k-modes.def: Likewise.
5160
5161 2004-07-27  Steven Bosscher  <stevenb@suse.de>
5162
5163         * cfgexpand.c (tree_expand_cfg): Fix comment.
5164
5165         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
5166         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
5167         Remove.
5168         (prepare_function_start): Don't set rtx_equal_function_value_matters.
5169         * integrate.c (copy_rtx_and_substitute): Don't test for it.
5170         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
5171         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
5172         here again.  Update leading comment.
5173         * rtl.c (rtx_equal_function_value_matters): Remove.
5174         (rtx_equal_p): Don't test for it.
5175         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
5176         Likewise.
5177
5178         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
5179         * rtl.c (note_insn_name): Likewise.
5180         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
5181         * final.c (final_scan_insn): Likewise.
5182
5183         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
5184         * passes.c (rest_of_handle_eh): Do it here.
5185
5186         * stmt.c (struct nesting): Remove struct nesting block member.
5187         (struct stmt_status): Remove x_block_start_count field.
5188         (current_block_start_count): Remove.
5189
5190 2004-07-27  Brian Booth  <bbooth@redhat.com>
5191
5192         * tree-optimize.c (register_one_dump_file): Update condition that uses
5193         static_pass_number.
5194         (dup_pass_1): Replace with...
5195         (next_pass_1): This.
5196         (NEXT_PASS): Call next_pass_1.
5197         (DUP_PASS): Remove.
5198         (init_tree_optimization_passes): Remove uses of DUP_PASS.
5199         (execute_one_pass): Update condition that uses
5200         static_pass_number.
5201         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
5202         integer.
5203
5204 2004-07-27  Nick Clifton  <nickc@redhat.com>
5205
5206         * config/m32r/m32r.c: Include integrate.h in order to get the
5207         prototype for get_hard_reg_initial_val().
5208
5209         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
5210         and tidy up indentation.
5211         (final_presence_set): Use absence_set instead, so that if there is
5212         nothing in the "o" pipe the "s" pipe can be scheduled.
5213
5214 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
5215
5216         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
5217         don't have PT_VARS nor PT_MALLOC set.
5218         Clear name tag from pointers that have not been dereferenced.
5219         (set_pt_anything, set_pt_malloc): Forward declare.
5220         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
5221         not type compatibility when determining if a pointer can be
5222         copy propagated.
5223
5224 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
5225
5226         * expr.h (canonicalize_condition, get_condition): Add an int argument.
5227         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
5228         it to check whether the condition is still valid at the jump insn.
5229         * ifcvt.c (noce_get_condition): Likewise.
5230         (noce_get_alt_condition): Update call to canonicalize_condition.
5231         * loop-iv.c (simplify_using_initial_values): Update call to
5232         get_condition.  Remove FIXME.
5233         (check_simple_exit): Update call to get_condition.
5234         * loop-unswitch.c (may_unswitch_on): Likewise.
5235         * loop.c (check_dbra_loop): Likewise.
5236         (canonicalize_condition, get_condition): Add an argument to say whether
5237         the condition must still be valid at INSN.
5238         (get_condition_for_loop): Update call to get_condition.  Require that
5239         the condition be valid at INSN.
5240         * predict.c (estimate_probability): Update call to get_condition.
5241         Remove unused earliest parameter.
5242         (expected_value_to_br_prob): Update call to canonicalize_condition.
5243
5244 2004-07-26  Eric Christopher  <echristo@redhat.com>
5245
5246         * tree-dfa.c (add_referenced_var): Register initializers of global
5247         variables.
5248
5249 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
5250
5251         * config/i386/i386.c (function_arg): Always treat 8-
5252         and 16-byte wide vectors the same, even if MMX/SSE
5253         are disabled.
5254         (contains_128bit_aligned_vector_p): Add comment.
5255
5256 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
5257
5258         * ra.h (enum node_type): Rename to:
5259         (enum ra_node_type).
5260         * ra-colorize.c: Likewise.
5261
5262 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5263
5264         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
5265         after simplifying the jump.
5266
5267 2004-06-26  Richard Henderson  <rth@redhat.com>
5268
5269         * calls.c (combine_pending_stack_adjustment_and_call): Make
5270         preferred_unit_stack_boundary argument unsigned.  Make
5271         unadjusted_alignment unsigned.
5272         (expand_call): Make preferred_stack_boundary and
5273         preferred_unit_stack_boundary variables unsigned.
5274         * function.c (assign_stack_local_1): Make alignment unsigned.
5275         * function.h (struct function): Make stack_alignment_needed,
5276         preferred_stack_boundary unsigned.
5277         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
5278         (ix86_compute_frame_layout): Make stack_alignment_needed,
5279         preferred_alignment variables unsigned.
5280         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
5281
5282 2004-07-26  Tom Tromey  <tromey@redhat.com>
5283
5284         * tree.h: Fix typo in comment.
5285
5286 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
5287
5288         PR bootstrap/12804
5289         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
5290         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
5291         (ggc_free): Remove incorrect freeing.
5292         (sweep_pages): Advance PP for large pages.  Fix indentation.
5293
5294 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
5295
5296         PR rtl-optimization/16643
5297         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
5298         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
5299         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
5300         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
5301         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
5302         * function.c (thread_prologue_and_epilogue_insns): Likewise.
5303         * rtl.h (tracer): Add a flags parameter.
5304         * tracer.c (tracer): Pass it to cfg_layout_initialise.
5305         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
5306         (rest_of_handle_reorder_blocks): Update calls to tracer and
5307         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
5308         (rest_of_handle_tracer): Pass 0 to tracer.
5309         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
5310
5311 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
5312
5313         PR target/16239
5314         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
5315         f->f.
5316
5317 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
5318
5319         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
5320         (BINFO_BASE_ACCESS): Adjust.
5321         (BINFO_BASE_ACCESS_APPEND): New.
5322         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
5323         * dbxout.c (dbxout_type): Adjust binfo access accessing.
5324         * dwarf2out.c (gen_member_die): Likewise.
5325         * tree-dump.c (deque_and_dump): Likewise.
5326
5327 2004-07-26  Falk Hueffner  <falk@debian.org>
5328
5329         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
5330         costs.
5331
5332 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5333
5334         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
5335         value off of the stack if TARGET_USE_FFREEP.
5336
5337 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5338
5339         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
5340         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
5341         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
5342         check on invocation of XRESIZEVEC ().
5343
5344 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5345
5346         * c-common.c (disable_builtin_function): Rename variable n to
5347         new_disabled_builtin.
5348         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
5349         Rename local variable old to old_decl.
5350         * gensupport.c (shift_output_template): Rename parameter old to src.
5351         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
5352         old_rtx and newx to new_rtx.
5353
5354 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
5355
5356         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
5357         of c-pragma.h.
5358         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
5359         enum cpp_ttype.
5360         * c-lex.c: Likewise.
5361
5362 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5363
5364         * fold-const.c (constant_boolean_node): Make extern.
5365         (make_range): Wrap long lines.
5366         (fold_cond_expr_with_comparison): Remove unnecessary call to
5367         pedantic_non_lvalue.  Add missing calls to fold_convert.
5368         (fold_truthop): Add missing calls to fold_convert.
5369         (fold): Likewise.
5370         * tree.h (constant_boolean_node): Add prototype here.
5371         * builtins.c (expand_builtin_strncmp): Add missing calls to
5372         fold_convert.
5373         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
5374         Call fold_convert and constant_boolean_node to correct types.
5375         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
5376         missing call to fold_convert to correct types.
5377
5378 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
5379             Brian Ryner  <bryner@brianryner.com>
5380
5381         PR c++/9283
5382         PR c++/15000
5383         * c-common.c (c_common_attribute_table): Allow
5384         handle_visibility_attribute to be called for types.
5385         (handle_visibility_attribute) When given a type, set the visibility
5386         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
5387         so that we can check later whether the attribute was present. Added
5388         warning if attribute applied to non class type.
5389         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
5390         decls and checking that they are consistent.
5391         * common.opt: Added -fvisibility.
5392         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
5393         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
5394         * flags.h, tree.h: Added assorted support defines for overall patch
5395         * opts.c: Added parsing support for -fvisibility.
5396         * tree.c (build_decl): Set visibility for all decls to be whatever
5397         is in force at that time.
5398         * varasm.c (default_binds_local_p_1): Reworked logic determining
5399         when to make a symbol locally bound.
5400         * doc/invoke.texi: Added documentation for -fvisibility and
5401         -fvisibility-inlines-hidden.
5402
5403 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5404
5405         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
5406         * c-common.c: Add missing casts from void * to other types.
5407         * c-decl.c: Likewise.
5408         * c-format.c: Likewise.
5409         * c-lex.c: Likewise.
5410         * c-pragma.c: Likewise.
5411         * c-typeck.c: Likewise.
5412         * defaults.h: Likewise.
5413         * genconstants.c: Likewise.
5414         * gengtype-lex.l: Likewise.
5415         * genmodes.c: Likewise.
5416         * read-rtl.c: Likewise.
5417         * rtl.c: Likewise.
5418
5419 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5420
5421         * bitmap.c: Use type-safe memory allocation macros from libiberty.
5422         * c-common.c: Likewise.
5423         * c-decl.c: Likewise.
5424         * c-lang.c: Likewise.
5425         * c-lex.c: Likewise.
5426         * c-opts.c: Likewise.
5427         * c-parse.in: Likewise.
5428         * c-typeck.c: Likewise.
5429         * genconditions.c: Likewise.
5430         * gengtype-lex.l: Likewise.
5431         * gengtype-yacc.y: Likewise.
5432         * gengtype.c: Likewise.
5433         * genmodes.c: Likewise.
5434         * gensupport.c: Likewise.
5435         * read-rtl.c: Likewise.
5436         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
5437         htab_find_slot().
5438
5439 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5440
5441         * c-decl.c (groktypename, groktypename_in_param_context): Rename
5442         variable typename to type_name.
5443         * c-lex.c (interpret_float): Likewise.
5444
5445 2004-07-25  Roger Sayle  <roger@eyesopen.com>
5446
5447         * convert.c (convert_to_real, convert_to_integer,
5448         convert_to_complex): Replace calls to build with calls to buildN.
5449         * coverage.c (tree_coverage_counter_ref): Likewise.
5450         * dojump.c (do_jump): Likewise.
5451         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
5452         * emit-rtl.c (component_ref_for_mem_expr,
5453         set_mem_attributes_minus_bitpos): Likewise.
5454         * explow.c (update_nonlocal_goto_save_area): Likewise.
5455         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
5456         expand_mult_add): Likewise.
5457         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
5458         store_constructor, get_inner_reference, expand_expr_real_1,
5459         try_casesi, try_tablejump): Likewise.
5460         * function.c (expand_function_start): Likewise.
5461         * stmt.c (emit_case_bit_tests, expand_end_case_type,
5462         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
5463         * stor-layout.c (place_union_field, layout_type): Likewise.
5464         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
5465         * varasm.c (copy_constant): Likewise.
5466
5467 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5468
5469         * c-common.c: Rename all identifiers named `new'.
5470         * c-decl.c: Likewise.
5471         * gensupport.c: Likewise.
5472         * simplify-rtx.c: Likewise.
5473         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
5474         with XNEW().
5475         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
5476         with XNEWVEC().
5477
5478 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5479
5480         PR c/15360
5481         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
5482         declarations until after calling pushdecl.
5483         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
5484         "extern" and not on whether the declaration is initialized.
5485
5486 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5487
5488         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
5489         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
5490         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
5491         "cpplib.h", "c-pragma.h", "c-common.h".
5492         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
5493         (solaris_register_pragmas): New functions.
5494         * config/sol2-protos.h: New file.
5495         * config/sol2.c: New file.
5496         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
5497         (REGISTER_TARGET_PRAGMAS): New macros.
5498         (solaris_pending_aligns, solaris_pending_inits)
5499         (solaris_pending_finis): New variables.
5500         * config/t-sol2 (sol2-c.o): Update dependencies.
5501         (sol2.o): New rule.
5502         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
5503         SUBTARGET_INSERT_ATTRIBUTES.
5504         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
5505         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5506         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5507         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5508         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
5509         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
5510         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
5511         * config/sparc/sparc.c (sparc_attribute_table): New.
5512         (TARGET_INSERT_ATTRIBUTES): Define in terms of
5513         SUBTARGET_INSERT_ATTRIBUTES.
5514         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
5515         is defined.
5516         * doc/extend.texi (Solaris Pragmas): New section.
5517
5518 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5519
5520         * c-common.c: Rename all identifiers named `class' to `cl'.
5521         * c-common.h: Likewise.
5522         * c-parse.in: Likewise.
5523         * c-typeck.c: Likewise.
5524         * genmodes.c: Likewise.
5525         * real.c: Likewise.
5526         * real.h: Likewise.
5527         * recog.c: Likewise.
5528         * recog.h: Likewise.
5529         * regrename.c: Likewise.
5530         * tree.h: Likewise.
5531         * c-common.c (builtin_function_2): Change type of 5th parameter from
5532         int to enum built_in_function. Change type of 8th parameter from int
5533         to bool.
5534         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
5535         with GGC_CNEW().
5536         * c-typeck.c (convert_arguments): Change type of formal_prec from
5537         int to unsigned int.
5538         * genmodes.c (blank_mode): Make a few negative constants unsigned.
5539         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
5540         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
5541         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
5542         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
5543         iterator to for_all_modes () instead of an enum because enums can't
5544         be incremented in C++.
5545
5546
5547 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
5548
5549         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
5550         hard registers.
5551
5552 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5553
5554         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
5555         Handle ARRAY_RANGE_REF like ARRAY_REF.
5556
5557 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5558
5559         * c-typeck.c (digest_init): Don't allow arrays of signed or
5560         unsigned variants of wchar_t to be initialized by wide string
5561         constants.  Do allow arrays of enumerated types compatible with
5562         wchar_t to be initialized by wide string constants.  Refine tests
5563         distinguishing wide and narrow strings and arrays.  Give specific
5564         error for arrays of other integer types initialized by string
5565         constants.
5566         (output_init_element, process_init_element): Check for
5567         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
5568         initializing with string constants.
5569
5570 2004-07-25  Richard Henderson  <rth@redhat.com>
5571
5572         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
5573         on the RESULT_DECL.
5574         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
5575         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
5576         DECL_IGNORED_P to new decl.
5577
5578 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
5579
5580         * config/ia64/ia64.c (general_xfmode_operand)
5581         (destination_xfmode_operand): Delete.
5582         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
5583         * config/ia64/ia64.md (*movxf_internal): Use general_operand
5584         and destination_operand.
5585
5586 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5587
5588         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
5589         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
5590
5591 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
5592             Zack Weinberg  <zack@codesourcery.com
5593
5594         PR 16684
5595         * c-decl.c (diagnose_mismatched_decls): Don't issue a
5596         redundant-declaration warning the first time a builtin is
5597         declared explicitly.
5598
5599 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5600
5601         * tree.h (staticp): Change return type to bool.
5602
5603 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5604
5605         * c-common.c (c_staticp): Last episode of the staticp saga.
5606
5607 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5608
5609         * c-common.h (c_staticp): Change return type from int to bool.
5610         * tree.c (staticp): Likewise.
5611         * langhooks.h (staticp): Likewise.
5612
5613 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5614
5615         * langhooks-def.h (lhd_staticp): Change return type from int to
5616         bool in prototype to match definition.
5617
5618 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5619
5620         * system.h (bool, true, false): Don't redefine as preprocessor macros
5621         in C++.
5622
5623 2004-07-24  Roger Sayle  <roger@eyesopen.com>
5624
5625         * expmed.c (init_expmed): A signed modulus by a power of two is
5626         considered cheap if its less than or equal to four instructions.
5627
5628 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5629
5630         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
5631         GGC_CNEWVAR): New macros.
5632
5633 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
5634
5635         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
5636         lists.
5637         * c-decl.c: Likewise.
5638         * c-format.c: Likewise.
5639         * c-lex.c: Likewise.
5640         * c-opts.c: Likewise.
5641         * c-pragma.c: Likewise.
5642         * c-typeck.c: Likewise.
5643         * gencheck.c: Likewise.
5644         * genconditions.c: Likewise.
5645         * genconfig.c: Likewise.
5646         * genflags.c: Likewise.
5647         * gengtype.c: Likewise.
5648         * gensupport.c: Likewise.
5649         * ggc-none.c: Likewise.
5650         * langhooks.c: Likewise.
5651         * statistics.h: Likewise.
5652         * stub-objc.c: Likewise.
5653         * java/decl.c: Likewise.
5654
5655 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
5656
5657         * config/m68k/m68k.c (output_scc_di): Fix coding style.
5658         (symbolic_operand): Fix prototype.
5659         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
5660         * config/m68k/m68k.md: Add constants for registers a0 and sp and
5661         use them, change from the "{...}" syntax to the simpler {...}
5662         syntax.
5663         (*cfv4_extendqisi2): Fix destination predicate.
5664         * config/m68k/m68k-protos.h: Remove various declarations also
5665         generated via PREDICATE_CODES.
5666
5667 2004-07-23  Mike Stump  <mrs@apple.com>
5668
5669         * c-typeck.c (convert_for_assignment): Tightened up pointer
5670         converstions that differ in signedness.
5671
5672 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5673
5674         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
5675
5676 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5677
5678         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
5679         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
5680
5681         * gimplify.c (gimplify_compound_lval): Check for no handled
5682         operations, rather than checking for explicit list of nodes.
5683         (is_gimple_addr_expr_arg_or_indirect): New function.
5684         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
5685         redundant setting of TREE_INVARIANT.
5686         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
5687         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
5688
5689 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
5690
5691         PR tree-optimization/16688
5692         PR tree-optimization/16689
5693         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
5694         unnecessary initialization of 'tag'.
5695         (get_tmt_for): Check that the new type tag has the same alias
5696         set as the pointed-to type.
5697         (group_aliases): Only regular variables need to be removed
5698         from the alias set of a name tag.
5699         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
5700         propagation if the two types are not compatible.
5701         (merge_alias_info): Rename from replace_ssa_names_ann.
5702         Add more checking.
5703         (replace_exp_1): If both arguments are SSA_NAMEs, check that
5704         the propagation can be done.
5705         Only call merge_alias_info on pointers.
5706         (propagate_value): Likewise.
5707         * tree-ssa-copyrename.c: Include langhooks.h.
5708         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
5709         to do the merging.
5710         Do not coalesce variables with incompatible types.
5711         (rename_ssa_copies): Call replace_ssa_name_symbol.
5712         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
5713         the same type as the underlying _DECL.
5714         * tree-ssanames.c (replace_ssa_name_symbol): New function.
5715         * tree.h (replace_ssa_name_symbol): Declare.
5716
5717 2004-07-23  Richard Henderson  <rth@redhat.com>
5718
5719         PR c++/16277
5720         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
5721         unshare it properly.
5722         (gimplify_modify_expr_rhs): Push assignment from a conditional into
5723         the conditional for all non-register types.
5724
5725 2004-07-23  Richard Henderson  <rth@redhat.com>
5726
5727         * expr.c (expand_expr_real_1): Don't handle non-local variables.
5728         * expr.h (fix_lexical_addr): Remove.
5729         * function.c (NEED_SEPARATE_AP): Remove.
5730         (fix_lexical_addr): Remove.
5731         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
5732         not null decl_function_context.
5733         (create_alias_vars): Likewise.
5734         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
5735         (simple_goto_p): Likewise.
5736         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
5737         * tree-ssa-ccp.c (get_default_value): Likewise.
5738         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5739         * tree.c (needs_to_live_in_memory): Likewise.
5740         * tree-flow-inline.h (may_be_aliased): Move...
5741         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
5742         when TREE_STATIC variables may be addressable.
5743
5744 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
5745
5746         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
5747
5748 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
5749
5750         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
5751         bitmap contents if GENERATOR_FILE is defined.
5752         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
5753         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
5754
5755 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
5756
5757         * c-decl.c (start_function): Form composite type of function types
5758         rather than copying type from previous prototype declaration.
5759
5760 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
5761
5762         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
5763         the const qualifier for the second argument in the C++ functions.
5764
5765         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
5766         specific pointer types.
5767
5768         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
5769         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
5770         for vector bool and/or vector pixel, add C++ and C missing support.
5771         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
5772         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
5773         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
5774         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
5775         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
5776         missing C++ and C support for vector bool and/or vector pixel.
5777         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
5778         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
5779         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
5780         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
5781         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
5782         C++ and C types used for vector bool and/or vector pixel.
5783         (vec_st, vec_stl): Add C++ support for vector pixel.
5784         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
5785         (vec_all_ne): Add C++ support for vector pixel.
5786
5787         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
5788         (vec_vmulesb): Add missing C++ function.
5789         (vec_perm): Fix type of third argument in C++ function.
5790         (vec_vsum4shs): Fix C++ function name.
5791         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
5792         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
5793         argument passed to the error handler in C macro.
5794         (vec_nmsub): Remove extra parens around argument names in C macro.
5795         (vec_packpx): Add missing parens in C macro.
5796
5797 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
5798
5799         * machmode.def: Remove vector modes.
5800         * config/alpha/alpha-modes.def: Add supported vector modes.
5801         * config/arm/arm-modes.def: Likewise.
5802         * config/frv/frv-modes.def: Likewise.
5803         * config/i386/i386-modes.def: Likewise.
5804         * config/rs6000/rs6000-modes.def: Likewise.
5805         * config/sh/sh-modes.def: Likewise.
5806
5807 2004-07-23  Matthias Klose  <doko@debian.org>
5808
5809         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
5810         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
5811         * config.h: Regenerate.
5812         * configure: Likewise.
5813
5814 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
5815
5816         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
5817         generated SYMBOL_REFs for labels.
5818         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
5819         Change prototype.
5820         (machopic_stub_name): Remove.
5821         (machopic_indirection_name): New function.
5822         (machopic_mcount_stub_name): Likewise.
5823         (machopic_classify_name): Remove.
5824         (machopic_function_base_sym): New function.
5825         (machpoic_classify_symbol): Likewise.
5826         (machopic_classify_ident): Remove.
5827         (machopic_define_ident): Likewise.
5828         (machopic_define_name): Likewise.
5829         (machopic_name_defined_p): Likewise.
5830         (machopic_ident_defined_p): Likewise.
5831         (darwin_strip_name_encoding): Likewise.
5832         (machopic_define_symbol): New function.
5833         * config/darwin.c (hashtab.h): Include.
5834         (machopic_defined_list): Remove.
5835         (machopic_classify_ident): Likewise.
5836         (machopic_classify_name): Likewise.
5837         (machopic_ident_defined_p): Likewise.
5838         (machopic_define_ident): Likewise.
5839         (machopic_define_name): Likewise.
5840         (machopic_symbol_defined_p): New function.
5841         (machopic_classify_symbol): Likewise.
5842         (machopic_data_defined_p): Use machopic_classify_symbol.
5843         (machopic_define_symbol): New function.
5844         (machopic_function_base_sym): New function.
5845         (machopic_non_lazy_pointers): Remove.
5846         (machopic_non_lazy_ptr_name): Likewise.
5847         (machopic_stubs): Likewise.
5848         (machopic_stub_name): Likewise.
5849         (NON_LAZY_POINTER_SUFFIX): New macro.
5850         (STUB_SUFFIX): Likewise.
5851         (machopic_indirection): New structure.
5852         (machopic_indirections): New variable.
5853         (machopic_indirection_hash): New function.
5854         (machopic_indirection_eq): Likewise.
5855         (machopic_indirection_name): Likewise.
5856         (machopic_mcount_stub_name): New function.
5857         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
5858         hash table.
5859         (machopic_indirect_data_reference): Rework to use new functions.
5860         (machopic_indirect_call_target): Likewise.
5861         (machopic_legitimize_pic_address): Likewise.
5862         (machopic_output_indirection): New function.
5863         (machopic_finish): Use it.
5864         (machopic_operand_p): Rework to use new functions.
5865         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
5866         (darwin_strip_name_encoding): Remove.
5867         (update_non_lazy_ptrs): Remove.
5868         (update_stubs): Likewise.
5869         (darwin_non_lazy_pcrel): Use new functions.
5870         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
5871         (ASM_OUTPUT_LABELREF): Likewise.
5872         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5873         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
5874         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
5875         (TARGET_STRIP_NAME_ENCODING): Do not use
5876         darwin_strip_name_encoding.
5877         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
5878         darwin_strip_name_encoding.
5879         * config/i386/darwin.h (FUNCTION_PROFILER): Use
5880         machopic_mcount_stub_name.
5881         * config/i386/i386.c (x86_output_mi_thunk): Use
5882         machopic_indirection_name, not machopic_stub_name.
5883         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
5884         machopic_function_base_sym.
5885         (print_operand): Use machopic_classify_symbol.
5886         (rs6000_emit_prologue): Use machopic_function_base_sym.
5887         (output_profile_hook): Do not use machopic_stub_name.
5888         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
5889
5890 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5891
5892         PR c/7284
5893         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
5894         as multiplication.
5895
5896 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5897
5898         * doc/implement-c.texi: New file.
5899         * doc/extend.texi (C Implementation): Move to there.
5900         * doc/gcc.texi: Include implement-c.texi.
5901         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
5902
5903 2004-07-22  Jason Merrill  <jason@redhat.com>
5904
5905         * integrate.c (copy_decl_for_inlining): Remove invisible reference
5906         handling.
5907         * tree-inline.c (setup_one_parameter): Likewise.
5908
5909 2004-07-22  Brian Booth  <bbooth@redhat.com>
5910
5911         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
5912         (substitute_and_fold): Propigate into VUSE operands when possible.
5913         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
5914         (cp_lattice_meet): Handle merging of latticevalues when
5915         UNKNOWN_VAL is present.
5916         (visit_stmt): Visit assignments with V_MUST_DEFs.
5917         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
5918         (ccp_fold): Deal with RHS' that are constant and virtual.
5919         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
5920         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
5921         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
5922         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
5923         computing immediate uses.
5924         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
5925         transition.
5926         (replace_vuse_in): New function.
5927         (likely_value): Add check of vuse operands.
5928         (get_default_value): Set the default value of virtually defined
5929         variables to UKNOWN_VAL instead of VARYING.
5930
5931 2004-07-22  Richard Henderson  <rth@redhat.com>
5932
5933         * expr.c (emit_push_insn): Don't use set_mem_attributes.
5934
5935 2004-07-22  Richard Henderson  <rth@redhat.com>
5936
5937         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
5938         variables due to conditional compilation.
5939
5940 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
5941
5942         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
5943         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
5944         Release SSA names that have been re-renamed.
5945         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
5946         variable.
5947         * tree-ssa-alias.c (init_alias_info): If aliases have been
5948         computed before, clear existing alias information.
5949         (create_name_tags): Do no fixup PT_ANYTHING pointers.
5950         If the new name tag for a pointer is different than the one it
5951         had before, mark the old tag for renaming.
5952         (replace_may_alias): New function.
5953         (group_aliases): Call it.
5954         (setup_pointers_and_addressables): Always call get_tmt_for.
5955         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
5956         once.
5957         (set_pt_anything): New local function.
5958         (set_pt_malloc): New local function.
5959         (merge_pointed_to_info): Don't merge pointed-to variables from
5960         the original pointer if the destination is pointing to an
5961         unknown location.
5962         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
5963         (add_pointed_to_var): Do not add a variable to the points-to
5964         set if the pointer is already pointing to anywhere.
5965         (collect_points_to_info_r): If the defining statement is a PHI
5966         node, only merge pointed-to information if the argument has
5967         already been visited.
5968         (get_tmt_for): Only create a new tag if the pointer didn't
5969         have one already.
5970         (dump_alias_info): Emit more information.
5971         (dump_points_to_info_for): Likewise.
5972         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
5973         try to get the annotation of an SSA_NAME.
5974         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
5975         alias sets when checking is enabled.
5976         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
5977         (eliminate): Mark basic blocks that will need
5978         EH information cleaned up.
5979         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
5980         predecessor.
5981         Initialize need_eh_cleanup.
5982         (fini_pre): Call tree_purge_all_dead_eh_edges and
5983         cleanup_tree_cfg if needed.
5984         Free need_eh_cleanup.
5985         * tree-ssa.c (verify_ssa_name): New function.
5986         (verify_def): Call it.
5987         Re-arrange to avoid printing too many error messages.
5988         (verify_use): Likewise.
5989         (verify_phi_args): Likewise.
5990         (verify_flow_insensitive_alias_info): New function.
5991         (verify_flow_sensitive_alias_info): New function.
5992         (verify_alias_info): New function.
5993         (verify_ssa): Call verify_alias_info.
5994         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
5995         program.
5996         Re-arrange to avoid printing too many error messages.
5997         * tree-ssanames.c (make_ssa_name): Clear
5998         SSA_NAME_IN_FREE_LIST.
5999         (release_ssa_name): Never release a default definition.
6000         (release_defs): New function.
6001         * tree.h: Declare it.
6002         * tree-ssa-dce.c (remove_dead_stmt): Call it.
6003
6004 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
6005
6006         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
6007         If true, do a depth-first search.  Do a breadht-first search,
6008         otherwise.
6009         (walk_use_def_chains): Add new argument IS_DFS.
6010         Update all users.
6011         * tree-flow.h (walk_use_def_chains): Update prototype.
6012
6013 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
6014
6015         * config/cris/cris.md: Tweak formatting.
6016         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
6017         (mover2side, moverside, movemside, movei, op3, andu): Replace
6018         live define_peephole:s with define_peephole2 near-equivalents.
6019         Delete the rest.
6020         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
6021         word-size modes.
6022         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6023         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
6024         "*mov_sidesi_mem" respectively.
6025
6026 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
6027
6028         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
6029         (gimplify_build1): Move from tree-complex.c do_unop.
6030         (gimplify_build2): Move from tree-complex.c do_binop.
6031         (gimplify_build3): New.
6032         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
6033         Adjust throughout to call the functions above.
6034         * tree-flow.h: Declare the functions above.
6035         * tree-nested.c (gimplify_val): Rename to...
6036         (tsi_gimplify_val): ... this.
6037
6038         * Makefile.in (tree_complex.o): Update dependencies.
6039         (stor-layout.o): Depend on regs.h.
6040         * c-common.c (handle_vector_size_attribute): Update for
6041         vector types without corresponding vector modes.
6042         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
6043         a corresponding vector mode is not available.
6044         * print-tree.c (print_node): Print nunits for vector types
6045         * regclass.c (have_regs_of_mode): New.
6046         (init_reg_sets_1): Initialize it and use it instead
6047         of allocatable_regs_of_mode.
6048         * regs.h (have_regs_of_mode): Declare it.
6049         * stor-layout.c (layout_type): Pick a mode for vector types.
6050         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
6051         build_replicated_const, do_unop, do_binop, do_plus_minus,
6052         do_negate, expand_vector_piecewise, expand_vector_parallel,
6053         expand_vector_addition, expand_vector_operations_1,
6054         expand_vector_operations, tree_lower_operations,
6055         pass_lower_vector_ssa, pass_pre_expand): New.
6056         (expand_complex_operations, pass_lower_complex): Remove.
6057         * tree-optimize.c (init_tree_optimization_passes): Adjust
6058         pass ordering for changes in tree-complex.c.
6059         * tree-pass.h: Declare new passes.
6060         * tree.c (finish_vector_type): Remove.
6061         (make_vector_type): New.
6062         (build_vector_type_for_mode, build_vector_type): Rewritten.
6063         * tree.def (VECTOR_TYPE): Document where the number of
6064         subparts is stored.
6065         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
6066         (make_vector): Remove declaration.
6067
6068 2004-07-21  Richard Henderson  <rth@redhat.com>
6069
6070         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
6071         TREE_THIS_VOLATILE, may_aliases, or optimization level.
6072         (remove_useless_vars): Dump debugging info.
6073         (expand_used_vars): Move ...
6074         * cfgexpand.c (expand_used_vars): ... here.  Make static.
6075         * tree-flow-inline.h (set_is_used): New.
6076         (set_default_def): Use get_var_ann.
6077         * tree-flow.h: Update decls.
6078         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
6079         (create_ssa_var_map): Use it.
6080         * tree-ssa.c (set_is_used): Remove.
6081
6082 2004-07-22  Ben Elliston  <bje@au.ibm.com>
6083
6084         * gdbinit.in: Set a breakpoint on internal_error.
6085
6086 2004-07-21  Richard Henderson  <rth@redhat.com>
6087
6088         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
6089         to create a new basic block.
6090
6091 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6092
6093         PR c/15052
6094         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
6095         return type on function definitions.  Move other warnings for
6096         qualified return type to -Wreturn-type.  Do not condition any such
6097         warnings on -pedantic.  Update comments.
6098         (start_function): Only copy function type from previous prototype
6099         declaration if return types are compatible.
6100         * c-typeck.c (function_types_compatible_p): Don't condition
6101         warning for incompatibility of volatile qualifiers on the return
6102         type on -pedantic.  Update comment.
6103         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
6104
6105 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6106
6107         * c-typeck.c (set_init_index): Require designator to be of integer
6108         type.
6109
6110 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6111
6112         PR c/11250
6113         * c-parse.in (init): Change to exprtype.
6114         (primary): Set original_code for STRING to STRING_CST.
6115         Call maybe_warn_string_init for compound literals.
6116         (initdcl, notype_initdcl): Call maybe_warn_string_init.
6117         (initval): Update.
6118         * c-tree.h (maybe_warn_string_init): New.
6119         (pop_init_level, process_init_element): Use struct c_expr.
6120         (struct c_expr): Update comment.
6121         * c-typeck.c (maybe_warn_string_init): New function.
6122         (digest_init): Call it.  Additional parameter strict_string.  All
6123         callers changed.
6124         (output_init_element): Likewise.
6125         (struct constructor_stack): Use struct c_expr for
6126         replacement_value.
6127         (really_start_incremental_init, push_init_level): Update.
6128         (pop_init_level): Update.  Return struct c_expr.
6129         (process_init_level): Update.  Take struct c_expr argument.
6130
6131 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
6132
6133         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
6134         commit.
6135
6136 2004-07-21  Eric Christopher  <echristo@redhat.com>
6137
6138         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
6139         removal.
6140         * c-decl.c (pop_scope): Ditto.
6141         * calls.c (expand_call): Remove call to current_nesting_level,
6142         update comment accordingly. Remove calls to expand_start_target_temps
6143         and expand_end_target_temps.
6144         * cfgexpand.c (construct_init_block): Remove call to
6145         expand_start_bindings_and_block.
6146         (construct_exit_block): Remove call to expand_end_bindings.
6147         * expr.c (safe_from_p): Remove BIND_EXPR handling.
6148         (expand_expr_real_1): Ditto. Fix formatting.
6149         (expand_vars): Delete.
6150         * stmt.c (POPSTACK): Remove block_stack.
6151         (stmt_status): Remove x_block_stack.
6152         (block_stack): Delete.
6153         (expand_start_bindings_and_block): Ditto.
6154         (expand_start_target_temps): Ditto.
6155         (expand_end_target_temps): Ditto.
6156         (current_nesting_level): Ditto.
6157         (warn_about_unused_variables): Ditto.
6158         (expand_end_bindings): Ditto.
6159         * tree.h: Remove declarations for above.
6160
6161 2004-07-21  Steven Bosscher  <stevenb@suse.de>
6162
6163         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
6164         * rtl.c (note_insn_name): Likewise.
6165         * print-rtl.c (print_rtx): Don't print it.
6166         * cfgrtl.h (can_delete_note_p): Don't handle it.
6167         (rtl_delete_block): Likewise.
6168         * passes.c (rest_of_handle_guess_branch_prob): Remove.
6169         (rest_of_compilation): Don't call it.
6170         * predict.c (process_note_predictions, process_note_prediction,
6171         note_prediction_to_br_prob): Remove.
6172         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
6173         * stmt.c (return_prediction): Remove.
6174         (expand_value_return): Don't call it.  Don't add prediction
6175         notes for return statements.
6176
6177 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
6178
6179         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
6180         once.
6181
6182 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
6183
6184         * c-common.c (vector_types_convertible_p): Use vector types'
6185         TYPE_SIZE and TREE_TYPE instead of their mode.
6186         * convert.c (convert_to_integer): Likewise.
6187         (convert_to_vector): Likewise.
6188         * fold-const.c (fold_convert): Likewise.
6189         * varasm.c (output_constant): Likewise.
6190         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
6191         Allow a VECTOR_TYPE initializer to be made of several vectors.
6192         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
6193         of cleared and need_to_clear, and use fold_convert.
6194         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
6195         integer vectors.
6196
6197 2004-07-20  Richard Henderson  <rth@redhat.com>
6198
6199         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
6200         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
6201
6202 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
6203
6204         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
6205         enormous cost if not TARGET_HARD_MUL.
6206
6207 2004-07-20  Andrew Pinski  <apinski@apple.com>
6208
6209         PR target/16557
6210         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
6211         (ASM_SPEC): here.
6212
6213 2004-07-21  Paul brook  <paul@codesourcery.com>
6214
6215         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
6216
6217 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6218
6219         * fold-const.c (operand_equal_p): Temporarily support NULL args.
6220         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
6221         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
6222
6223 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
6224
6225         * rtl.h (plus_constant): Delete.
6226         (plus_constant_wide): Rename to plus_constant.
6227         (plus_constant_for_output_wide): Delete vestigial prototype.
6228         (GEN_INT): Remove unnecessary cast.
6229         * tree.h (build_int_2, size_int_type): Delete.
6230         (build_int_2_wide): Rename to build_int_2.
6231         (size_int_wide): Rename to size_int_kind.
6232         (size_int_type_wide): Rename to size_int_type.
6233         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
6234         Remove unnecessary cast.
6235         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
6236         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
6237         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
6238         (size_int_type_wide): Rename size_int_type.
6239         (int_const_binop): Use size_int_type.
6240         * c-lex.c (interpret_integer): Use build_int_2.
6241         * final.c (split_double): Remove unnecessary casts.
6242         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
6243
6244 2004-07-20  Richard Henderson  <rth@redhat.com>
6245
6246         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
6247         (gimplify_compound_lval): Use is_gimple_tmp_reg.
6248         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
6249         (is_gimple_tmp_reg): New.
6250         * tree-gimple.h (is_gimple_tmp_reg): Declare.
6251
6252 2004-07-20  Richard Henderson  <rth@redhat.com>
6253
6254         * tree-pretty-print.c (dump_generic_node): Dump
6255         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
6256
6257 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
6258
6259         * tree-mudflap.c (mf_set_options_fndecl): New tree.
6260         (mudflap_init): Set it.
6261         (mudflap_register_call): Remove __mf_init call.
6262         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
6263         to pass "-ignore-reads" option to libmudflap if needed.
6264
6265 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
6266
6267         PR c++/14607
6268         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
6269         (MAKE_DECL_ONE_ONLY): Undefine.
6270         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
6271         readonly_data, one_only_data_section, forget_section): New prototypes.
6272         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
6273         functions.
6274         (pa_select_section): Add one-only (COMDAT) support.
6275         * pa.h (struct machine_function): Define.
6276         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
6277         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
6278         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6279         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6280         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
6281         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
6282         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
6283         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6284         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
6285         for EXTRA_SECTION_FUNCTIONS.
6286         * doc/install.texi: Update binutils requirements.
6287
6288 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6289
6290         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
6291         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
6292         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
6293         size_t.
6294         (struct VEC): Use unsigned for num and alloc.
6295         * vec.c (struct vec_prefix): Likewise.
6296         (vec_o_reserve): Adjust.
6297
6298         * dbxout.c (dbxout_type): Fix printf format.
6299
6300         * tree.h (binfo_member): Remove.
6301         * tree.c (binfo_member): Remove.
6302
6303 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
6304
6305         * tree.h: Include vec.h
6306         (DEF_VEC_P(tree)): New type.
6307         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
6308         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
6309         (BINFO_LANG_SLOT): Remove.
6310         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
6311         (struct tree_binfo): Turn base_binfos into a trailing
6312         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
6313         (binfo_lang_slots): Remove.
6314         * tree.c (binfo_lang_slots): Remove.
6315         (make_tree_binfo_stat): Take a base binfo count, not a
6316         lang slot count.  Adjust.
6317         * Makefile.in (TREE_H): Add vec.h
6318         * alias.c (record_component_aliases): Adjust BINFO access.
6319         * dbxout.c (dbxout_type): Likewise.
6320         * dwarf2out.c (gen_member_die): Likewise.
6321         * sdbout.c (sdbout_one_type): Likewise.
6322         * tree-dump.c (deque_and_dump): Likewise.
6323         * config/i386/i386.c (classify_argument,
6324         contains_128bit_aligned_vector_p): Likewise.
6325         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
6326         * doc/c-tree.texi (Classes): Update BINFO documentation.
6327
6328 2004-07-20  Steven Bosscher  <stevenb@suse.de>
6329
6330         * c-common.h (check_case_value): Remove prototype.
6331         (c_add_case_label): Adjust prototype.
6332         * c-common.c (check_case_value): Make static.
6333         (check_case_bounds): New function.
6334         (c_add_case_label): Use it.  Take new argument orig_type.
6335         * c-typeck.c (struct c_switch): New orig_type field.
6336         (c_start_case): Set it.
6337         (do_case): Pass it to c_add_case_label.
6338         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
6339         cases from here.  Add the labels in reverse order.
6340         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
6341         (add_case_node): Return nothing, don't check for duplicate cases.
6342         Insert new case nodes in a list, not in an AVL tree.
6343         (expand_end_case_type): Don't turn a case tree into a case list.
6344         (case_tree2list): Remove.
6345         * tree.h (add_case_node): Adjust prototype.
6346
6347 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
6348
6349         * genattr.c (struct range, struct function_unit,
6350         write_units, extend_range, init_range): Remove them.
6351         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6352         Output "#define INSN_SCHEDULING" here.
6353         * genattrtab.c (struct range, struct function_unit_op,
6354         struct function_unit, struct dimension, enum operator,
6355         operate_exp, expand_units, simplify_knowing,
6356         encode_units_mask, simplify_by_exploding,
6357         find_and_mark_used_attributes, unmark_used_attributes,
6358         add_values_to_cover, increment_current_value,
6359         test_for_current_value, simplify_with_current_value,
6360         simplify_with_current_value_aux, gen_unit,
6361         write_unit_name, write_function_unit_info,
6362         write_complex_function, write_toplevel_expr,
6363         find_single_value, extend_range): Remove.
6364         (write_attr_get): Do not handle common_av->value
6365         being an FFS.
6366         (struct attr_desc): Remove func_units_p and blockage_p.
6367         (write_attr_valueq): Do not handle them.
6368         (find_attr): Do not clear them.
6369         (make_internal_attr): Do not initialize them.
6370         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
6371         * sched-vis.c (init_target_units, insn_print_units,
6372         init_block_visualization, print_block_visualization,
6373         visualize_scheduled_insns, visualize_no_unit,
6374         visualize_stall_cycles, visualize_alloc,
6375         visualize_free, target_units, get_visual_tbl_length,
6376         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
6377         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
6378         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
6379         * haifa-sched.c (blockage_range, clear_units,
6380         schedule_unit, actual_hazard, potential_hazard,
6381         insn_unit, unit_last_insn, unit_tick,
6382         actual_hazard_this_instance, potential_hazard,
6383         schedule_unit, max_insn_queue_index_value): Remove.
6384         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
6385         max_insn_queue_index.
6386         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
6387         * doc/md.texi (Processor pipeline description): Remove
6388         references to old pipeline descriptions.
6389         (Automaton pipeline description): Merge with the above.
6390         (Old pipeline description, Comparison of the two descriptions):
6391         Remove.
6392
6393         * bt-load.c (migrate_btr_def): Remove references to
6394         use_pipeline_interface.
6395         * haifa-sched.c (insn_cost, schedule_insn,
6396         schedule_block, advance_one_cycle, sched_init,
6397         queue_to_ready, sched_finish): Likewise.
6398         * modulo-sched.c (sms_schedule, advance_one_cycle,
6399         ps_has_conflicts): Likewise.
6400         * sched-rgn.c (init_ready): Likewise.
6401         (debug_dependencies): Likewise, and remove an "if (1)".
6402         * target.h (use_dfa_pipeline_interface): Remove.
6403         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6404         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6405         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6406         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6407         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6408         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6409         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6410         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6411         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6412         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6413         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6414         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6415         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6416         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6417         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6418         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6419         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6420         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6421         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
6422
6423 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6424
6425         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
6426
6427 2004-07-19  Jeff Law  <law@redhat.com>
6428
6429         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
6430         (get_eq_expr_value): Use it.  Simplify slightly.
6431
6432 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
6433
6434         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
6435         (umulsidi3_32bit_r4000): Likewise.
6436
6437 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
6438
6439         * vec.h: Propagate location information properly.
6440         (VEC_T_iterate): Add result pointer parameter.
6441         (VEC_T_space): New.
6442         (VEC_T_reserve): Use it.
6443
6444 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
6445
6446         * Makefile.in (c-format.o): Depend on c-format.h.
6447         * c-format.h: New file.
6448         (struct format_char_info): Add CHAIN member.
6449         * c-format.c: Move some types and constants to c-format.h.
6450         (format_type_error): Set to -1.
6451         (struct function_format_info): Use an int for format_type.
6452         (decode_format_type): Return an int.  Return format_type_error
6453         on error.
6454         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
6455         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
6456         (scan_char_table, time_char_table, monetary_char_table): Initialize
6457         CHAIN to NULL.
6458         (n_format_types): New variable.
6459         (check_format_info_main): Handle CHAIN in format_char_info.
6460         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
6461         TARGET_N_FORMAT_TYPES.
6462         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6463         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
6464         * config/sol2-c.c: New file.
6465         * config/t-sol2: New file.
6466         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
6467         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
6468         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
6469
6470         * doc/extend.texi (Target Format Checks): New section.
6471         (Function Attributes): Mention it.
6472         * doc/invoke.texi: Mention target format checks.
6473         * doc/sourcebuild.texi: Mention target format checks.
6474         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
6475         TARGET_FORMAT_TYPES.
6476
6477 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6478
6479         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
6480         added.
6481         * config/s390/s390.c (regclass_map initializer): Register 35 added to
6482         ADDR_REGS.
6483         (load_multiple_operation, store_multiple_operation): Removed
6484         pointless sanity check.
6485         (s390_decompose_address): Added check for return_address_pointer_rtx.
6486         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
6487         (s390_return_address_offset): New function.
6488         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
6489         (FRAME_REGNO_P): Added check for register 35.
6490         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
6491         REG_ALLOC_ORDER): Appended entry for register 35.
6492         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
6493         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
6494         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
6495         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
6496         is eliminable using stack pointer or hard frame pointer.
6497         (REGISTER_NAMES): Added name for register 35.
6498         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
6499         pointless sanity check.
6500
6501 2004-07-19  Roger Sayle  <roger@eyesopen.com>
6502
6503         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
6504         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
6505         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
6506         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
6507         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
6508         (fold_relational_const): Tidy up handling of floating point
6509         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
6510         transformation; fold_relational_const assumes constant operands.
6511
6512 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
6513
6514         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
6515         directory.
6516
6517 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
6518
6519         * c-tree.h (struct c_expr): Define.
6520         (C_SET_EXP_ORIGINAL_CODE): Remove.
6521         (parser_build_binary_op, build_compound_expr): Update prototypes.
6522         * c-parse.in (%union): Add exprtype.
6523         (FUNC_NAME): Mark as ttype.
6524         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
6525         exprtype.
6526         (expr): Update.  Define directly in terms of expr_no_commas
6527         instead of using nonnull_exprlist.
6528         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
6529         offsetof_member_designator, typespec_nonreserved_nonattr, init,
6530         initval, designator, component_declarator,
6531         component_notype_declarator, enumerator, array_declarator,
6532         condition, exexpr, switch_statement, stmt_nocomp, stmt,
6533         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
6534         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
6535         where appropriate.
6536         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
6537         * c-common.c (c_common_truthvalue_conversion): Don't check
6538         C_EXP_ORIGINAL_CODE.
6539         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
6540         Don't use C_EXP_ORIGINAL_CODE.
6541         (default_conversion, default_function_array_conversion): Don't use
6542         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
6543         (internal_build_compound_expr): Merge into build_compound_expr.
6544         (build_compound_expr): Take two operands instead of a TREE_LIST.
6545         * objc/objc-act.c (get_super_receiver): Update calls to
6546         build_compound_expr.
6547
6548 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
6549
6550         * config/sh/sh.c (sh_use_dfa_interface): Remove.
6551         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
6552         hook_int_void_1.
6553         * config/sh/sh.md: Extract pipeline descriptions
6554         into separate files.
6555         * config/sh/sh1.md: New file, extracted from sh.md.
6556         * config/sh/sh4.md: New file, extracted from sh.md.
6557         * config/sh/shmedia.md: New file, extracted from sh.md
6558         and rewritten using new-style pipeline description.
6559
6560 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
6561
6562         * config/pa/pa.md: Delete the two remaining define_peephole
6563         patterns.
6564
6565 2004-07-18  Steven Bosscher  <stevenb@suse.de>
6566             Joseph S. Myers  <jsm@polyomino.org.uk>
6567
6568         * c-common.c (c_common_truthvalue_conversion): Don't warn if
6569         TREE_NO_WARNING is set.
6570
6571 2004-07-18  Roger Sayle  <roger@eyesopen.com>
6572
6573         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
6574         simplify_builtin_strncmp): Delete.
6575         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
6576         Change argument to accept an arglist instead of an "exp".  Assume
6577         that the return type is always integer_type_node.  Copy missing
6578         transformations from their now obsolete simplify_builtin_*
6579         equivalents.
6580         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
6581         fold_builtin_strcmp and fold_builtin_strncmp.
6582         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
6583         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
6584         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
6585
6586 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
6587
6588         * Makefile.in (tree-alias-common.o): Update dependencies.
6589
6590 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
6591
6592         * cfgloop.c (flow_loop_nested_p): Fix comment.
6593
6594 2004-07-17  Jason Merrill  <jason@redhat.com>
6595
6596         PR c++/16115
6597         * stor-layout.c (relayout_decl): New fn.
6598         * tree.h: Declare it.
6599         (DECL_BY_REFERENCE): New macro.
6600
6601 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
6602
6603         * libgcc2.c (__enable_execute_stack): New symbol.
6604         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
6605         and declare __enable_execute_stack.
6606         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
6607         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
6608         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6609         ENABLE_EXECUTE_STACK.
6610         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
6611         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6612         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6613         ENABLE_EXECUTE_STACK.
6614         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6615         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
6616         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6617         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
6618         ENABLE_EXECUTE_STACK.
6619         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6620         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6621         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6622         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
6623         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
6624         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
6625         (sparc64_initialize_trampoline): Likewise.
6626         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
6627
6628 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6629
6630         * langhooks.h (builtin_function): New langhook.
6631         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
6632         (LANG_HOOKS_INITIALIZER): Update.
6633         * tree.h (builtin_function): Remove.
6634         * doc/tm.texi: Update.
6635         * c-tree.h (builtin_function): Declare.
6636         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
6637         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
6638         config/ia64/ia64.c, config/iq2000/iq2000.c,
6639         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
6640         config/stormy16/stormy16.c: All callers of builtin_function
6641         changed.
6642
6643 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
6644
6645         PR target/16556
6646         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
6647         Remove white space after the backslash.
6648
6649 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
6650
6651         PR rtl-optimization/16294
6652         * resource.c (return_insn_p): New predicate.
6653         (mark_target_live_regs): Use it.  Special-case return insns.
6654         (init_resource_info): Use it.  Don't scan the epilogue past
6655         a return.
6656
6657 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6658
6659         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
6660         destroy dominance information.
6661         * passes.c (rest_of_handle_loop2):  Free dominance information.
6662         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
6663         jump threading.
6664         (thread_jumps): Update dominance information and remove unreachable
6665         blocks.
6666         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
6667         information and remove the unreachable block.
6668
6669 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
6670
6671         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
6672
6673 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
6674
6675         * doc/sourcebuild.texi: Remove libf2c entry.
6676
6677 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
6678
6679         * config/i386/i386.md (movv16qi_internal): Fix typo.
6680
6681 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6682
6683         * final.c (final_scan_insn): Fix broken commit from previous
6684         patch.
6685
6686 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6687
6688         * c-typeck.c (parser_build_binary_op): Condition warnings for
6689         X<=Y<=Z on -Wparentheses instead of -Wextra.
6690         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
6691         supported for C only.
6692
6693 2004-07-17  Steven Bosscher  <stevenb@suse.de>
6694
6695         * cfgcleanup.c (try_simplify_condjump): Don't remove line
6696         notes to avoid unreachable code warnings.
6697         * toplev.c (backend_init): Don't emit line notes for
6698         unreachable code warnings.
6699
6700         * combine.c (distribute_notes): Don't distribute a
6701         REG_VTABLE_REF note.
6702         * final.c (final_scan_insn): Don't handle it.
6703         * rtl.c (reg_note_name): Remove it.
6704         * rtl.h (enum reg_node): Dito.
6705
6706         * emit-rtl.c (force_line_numbers, restore_line_number_status):
6707         Remove.
6708         * rtl.h (force_line_numbers, restore_line_number_status):
6709         Remove prototypes.
6710
6711         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
6712         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
6713         (using_eh_for_cleanups): Also moved here.
6714
6715         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
6716         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
6717         to expand_start_case and add_case_node.
6718         * stmt.c (struct nesting): Cleanup unused fields condition_code,
6719         last_unconditional_cleanup, nominal_type, printname, and
6720         line_number_status.
6721         (struct fixup_goto): Remove.
6722         (struct stmt_status): Remove x_goto_fixup_chain field.
6723         (goto_fixup_chain): Remove.
6724         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
6725         pushcase, pushcase_range): Remove.
6726         (expand_start_bindings_and_block): Don't set unused fields in
6727         the nesting stack.
6728         (expand_start_case, add_case_node): Cleanup unused formal arguments.
6729         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
6730         instead of emit_jump_if_reachable.
6731         (emit_case_nodes): Likewise.
6732         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
6733         static.
6734         (update_eh_label): Work around left-over exception handing regions.
6735         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
6736         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
6737         (pass_cleanup_cfg_post_optimizing): New pass.
6738         (init_tree_optimization_passes): Run the new pass after all
6739         optimizations.
6740         * tree.h (pushcase, pushcase_range): Remove prototypes.
6741         (expand_start_case, add_case_node): Update prototypes.
6742
6743 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
6744
6745         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
6746
6747 2004-07-16  Richard Henderson  <rth@redhat.com>
6748
6749         * builtins.c (std_expand_builtin_va_arg): Remove.
6750         (expand_builtin_va_arg): Remove.
6751         * expr.h: Don't declare them.
6752         * gimplify.c (mark_decls_volatile_r): Remove.
6753         (copy_if_shared_r): Don't call it.
6754         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
6755         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
6756         * gimple-low.c (lower_stmt): Likewise.
6757         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
6758         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
6759         * tree-ssa-operands.c (get_expr_operands): Likewise.
6760         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
6761         EXPAND_BUILTIN_VA_ARG.
6762         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
6763         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
6764         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
6765         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6766
6767 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
6768
6769         * tree-ssa-pre.c (insert_aux): Break out if we hit
6770         a critical edge.
6771
6772 2004-07-16  Richard Henderson  <rth@redhat.com>
6773
6774         * basic-block.h (remove_fake_exit_edges): Declare.
6775         * cfganal.c (remove_fake_predecessors): Rename from
6776         remove_fake_successors; iterate over predecessors.
6777         (remove_fake_exit_edges): New.
6778         * cfgcleanup.c (try_optimize_cfg): Use it.
6779         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
6780         * predict.c (estimate_probability): Likewise.
6781         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
6782         * tree-cfg.c (make_edges): Likewise.
6783         * tree-ssa-pre.c (fini_pre): Likewise.
6784         * profile.c (instrument_edges): Don't remove_fake_edges.
6785         (branch_prob): Do it earlier here.
6786
6787 2004-07-16  Richard Henderson  <rth@redhat.com>
6788
6789         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
6790         switchification wrt CONSTRUCTOR.  Document the reason.
6791
6792 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
6793
6794         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
6795         that prevented descriptive __mf_check source location strings.
6796
6797 2004-07-16  Richard Henderson  <rth@redhat.com>
6798
6799         * tree-def (WITH_SIZE_EXPR): New.
6800         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
6801         * expr.c (expand_expr_real_1): Likewise.
6802         * gimplify.c (maybe_with_size_expr): New.
6803         (gimplify_arg, gimplify_modify_expr): Use it.
6804         (gimplify_modify_expr_to_memcpy): Take size parameter.
6805         (gimplify_modify_expr_to_memset): Likewise.
6806         (gimplify_expr): Handle WITH_SIZE_EXPR.
6807         * tree-alias-common.c (find_func_aliases): Likewise.
6808         * tree-eh.c (tree_could_trap_p): Likewise.
6809         (tree_could_throw_p): Likewise.
6810         * tree-gimple.c (is_gimple_lvalue): Likewise.
6811         (get_call_expr_in): Likewise.
6812         * tree-inline.c (estimate_num_insns_1): Likewise.
6813         (expand_calls_inline): Likewise.
6814         * tree-nested.c (convert_call_expr): Likewise.
6815         * tree-pretty-print.c (dump_generic_node): Likewise.
6816         * tree-sra.c (sra_walk_expr): Likewise.
6817         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
6818         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
6819         * tree-ssa-operands.c (get_expr_operands): Likewise.
6820         * tree-tailcall.c (find_tail_calls): Likewise.
6821
6822         * calls.c (expand_call): Reset old_stack_allocated after
6823         calling emit_stack_restore.
6824
6825 2004-07-16  Richard Henderson  <rth@redhat.com>
6826
6827         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
6828         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6829         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
6830         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
6831         copy_res_decl_for_inlining.
6832
6833         * tree-inline.c (declare_return_variable): New modify_dest argument.
6834         Use it as the return value, when possible or manditory.  Handle
6835         TREE_ADDRESSABLE types.
6836         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
6837         replacement of CALL_EXPR.
6838
6839 2004-07-16  Richard Henderson  <rth@redhat.com>
6840
6841         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
6842         * gimple-low.c (expand_var_p): Don't check it.
6843         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
6844         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
6845         * tree-ssa-operands.c (add_stmt_operand): Likewise.
6846         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
6847         (find_referenced_vars): Don't call them.
6848         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
6849
6850 2004-07-16  Richard Henderson  <rth@redhat.com>
6851
6852         * function.c (pass_by_reference): True for all variable sized types.
6853
6854 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
6855
6856         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
6857         * tree-pretty-print.c: Include tree-chrec.h.
6858         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
6859         and POLYNOMIAL_CHREC nodes.
6860
6861 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
6862
6863         * builtins.c (expand_builtin_stpcpy): Do not create temporary
6864         reg with VOIDmode.
6865
6866 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6867
6868         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
6869
6870 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6871
6872         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
6873         to BASE_REGNUM.
6874         * config/s390/s390.c: Likewise.
6875         * config/s390/s390.h: Likewise.
6876
6877 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6878
6879         * config/mips/mips.md (addsi3, adddi3): Remove special handling
6880         of $sp adds.  Remove REGNO checks from mips16 patterns.
6881
6882 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6883
6884         * config/mips/mips.md: Delete outdated comment.
6885
6886 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6887
6888         * config/mips/mips.c (get_float_compare_codes): Delete.
6889         (mips_emit_compare): New function, mostly extracted from
6890         get_float_compare_codes and gen_conditional_branch.
6891         (gen_conditional_branch, gen_conditional_move): Use it.
6892
6893 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
6894
6895         * genautomata.c (add_vect): Speedup by using integers as
6896         bit-vectors for walking through the comb_vect and finding
6897         a match.
6898
6899 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6900
6901         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
6902         operand is an uns_arith_operand; use subtraction otherwise.
6903         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
6904         not just arith_operands.
6905
6906 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6907
6908         * config/mips/mips-protos.h (gen_int_relational): Delete.
6909         (mips_emit_scc): Declare.
6910         * config/mips/mips.c (internal_test): Delete.
6911         (sle_operand, sleu_operand): New functions.
6912         (map_test_to_internal_test, gen_int_relational): Delete.
6913         (mips_emit_binary, mips_relational_operand_ok_p)
6914         (mips_emit_int_relational, mips_zero_if_equal)
6915         (mips_emit_scc): New functions.
6916         (gen_conditional_branch): Rework to use mips_emit_int_relational.
6917         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
6918         sleu_operand.
6919         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
6920         (sltu, sleu): Use mips_emit_scc.
6921         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
6922         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
6923         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
6924
6925 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6926
6927         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
6928
6929 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6930
6931         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
6932         (*sne_[sd]i): Likewise sne_[sd]i_zero.
6933         (*sgt_[sd]i): ...and sgt_[sd]i.
6934         (*slt_[sd]i): ...and slt_[sd]i.
6935         (*sgtu_[sd]i): ...and sgtu_[sd]i.
6936         (*sltu_[sd]i): ...and sltu_[sd]i.
6937         (*sleu_[sd]i): ...and sleu_[sd]i_const.
6938         Name previously unnamed mips16 patterns.  Formatting fixes.
6939
6940 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6941
6942         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
6943         (branch_type): Delete.
6944         (gen_conditional_branch, gen_conditional_move)
6945         (mips_gen_conditional_trap): Update after name change.  Get the
6946         comparison mode from cmp_operands[0].
6947         * config/mips/mips.h (cmp_type, branch_type): Delete.
6948         (cmp_operands): Renamed from branch_cmp.
6949         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
6950         name change.  Don't set branch_type.
6951         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
6952         mode class of cmp_operands[0] rather than branch_type.  Update after
6953         name change.
6954
6955 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6956
6957         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
6958         of 0...255 to 0 when inside a SET.
6959
6960 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
6961
6962         * config/mips/mips.md: Remove mips16 define_peepholes.
6963
6964 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
6965
6966         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
6967         (fini_pre): Remove fake edges.
6968
6969 2004-07-15  Richard Henderson  <rth@redhat.com>
6970
6971         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
6972         (get_indirect_ref_operands, get_call_expr_operands): ... these.
6973
6974 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
6975
6976         * vec.h (VEC_address): New function.
6977
6978 2004-07-14  Jason Merrill  <jason@redhat.com>
6979
6980         PR middle-end/15885
6981         * gimplify.c (gimplify_arg): New fn, split out from...
6982         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
6983
6984 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
6985
6986         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
6987         generate code which is generated by pushqi1 now
6988         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
6989
6990 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
6991
6992         * combine.c (simplify_set): match the mode of the constant 0 with
6993         the tested operand to match the compare behaviour and the
6994         simplify_relational_operation() expectation.
6995
6996 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
6997
6998         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
6999         ("bordered"): Same.
7000
7001 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
7002
7003         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
7004         unconditionally.
7005         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
7006
7007 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7008
7009         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
7010         calls in mips16 code.
7011
7012 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
7013
7014         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
7015         the destination of the li as well as for the neg.
7016
7017 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
7018
7019         g++/15861
7020         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
7021         * cgraph.h: Update declaration.
7022         * c-decl.c (build_cdtor): Update call with default priority.
7023         * coverage.c (create_coverage): Ditto.
7024         * tree-mudflap.c (mf_init_fndecl): New tree.
7025         (mudflap_init): Set it.
7026         (mudflap_register_call): Arrange to call __mf_init before the first
7027         __mf_register call.
7028         (mudflap_finish_file): Mark the mudflap static initializer as extra
7029         high priority, to beat all C++ static constructors.
7030
7031 2004-07-15  Jeff Law  <law@redhat.com>
7032
7033         * loop.c (check_insn_for_givs): Restore check for code labels that was
7034         accidentally deleted by a recent checkin.
7035
7036 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
7037
7038         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
7039         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
7040
7041 2004-07-14  Richard Henderson  <rth@redhat.com>
7042
7043         * print-tree.c (print_node): Fix casts last change.
7044
7045 2004-07-15  Paul Brook  <paul@codesourcery.com>
7046
7047         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
7048         to TARGET_UNWIND_INFO.
7049         * except.c (output_function_exception_table): Ditto.
7050         * except.h: Ditto.
7051         * opts.c (decode_options): Ditto.
7052         * passes.c (rest_of_handle_final): Ditto.
7053         * final.c (final_start_function): Ditto.
7054         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
7055         target hook.
7056         * targhooks.h (default_unwind_emit): Declare.
7057         * targhooks.c (default_unwind_emit): New function.
7058         * target-def.h: Define and use TARGET_UNWIND_EMIT.
7059         * target.h (struct gcc_target): Add unwind_emit.
7060         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
7061         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
7062         Remove IA64_UNWIND_EMIT.
7063         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
7064
7065 2004-07-14  Richard Henderson  <rth@redhat.com>
7066
7067         * print-tree.c (print_node): Handle SSA_NAME.
7068
7069 2004-07-14  James E Wilson  <wilson@specifixinc.com>
7070
7071         PR target/16325
7072         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
7073         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
7074
7075 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
7076
7077         * expr.c (expand_assignment): Reenable bitfield += optimizations.
7078         Use alias set 0 for memory, do proper mode calculations and adjust
7079         address for memories.
7080
7081 2004-07-14  Per Bothner  <per@bothner.com>
7082
7083         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
7084         structure with extra column field.
7085         * tree.c (expand_location):  Also fill in column field.
7086         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
7087         gets confused by the two conditionally-compiled definitions.
7088
7089 2004-07-14  Eric Christopher  <echristo@redhat.com>
7090
7091         * calls.c (expand_call): Fix typo in comment.
7092
7093 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
7094
7095         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
7096         comparision of TFmode.
7097
7098 2004-07-14  Richard Henderson  <rth@redhat.com>
7099
7100         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
7101         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
7102         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
7103         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7104         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7105         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7106         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7107         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7108         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7109
7110 2004-07-14  Mike Stump  <mrs@apple.com>
7111
7112         * config/darwin.h (WINT_TYPE): Define to be int to match
7113         system header files.
7114
7115 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
7116
7117         * config/xtensa/xtensa.c (function_arg_advance): Check for args
7118         that must be passed in the stack.
7119         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
7120         arguments if the size is not a constant.
7121
7122 2004-07-14  Per Bothner  <per@bothner.com>
7123
7124         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
7125         instead of EXPR_LOCUS in a boolean context, which is always true
7126         if --enable-mapped-location.
7127         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
7128
7129 2004-07-14  Richard Henderson  <rth@redhat.com>
7130
7131         * dominance.c (struct dom_info): Add fake_exit_edge.
7132         (init_dom_info): Allocate it.
7133         (free_dom_info): Free it.
7134         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
7135         in two passes.
7136         (calc_idoms): Honor fake_exit_edge.
7137
7138 2004-07-13  Jason Merrill  <jason@redhat.com>
7139
7140         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
7141         (rhs_test_for): New fn.
7142         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
7143         * tree-gimple.h: Declare them.
7144         * gimplify.c (gimplify_modify_expr): Use the new fns.
7145
7146 2004-07-14  Richard Henderson  <rth@redhat.com>
7147
7148         * config/arm/arm-protos.h (arm_va_arg): Remove.
7149         * config/arm/arm.c (arm_va_arg): Remove.
7150         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
7151         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
7152
7153 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7154
7155         * pa.c (fix_range): New function to mark a range(s) of registers as
7156         fixed registers.
7157         (override_options): Call fix_range if the -mfixed-range option string
7158         is not empty.
7159         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
7160         * doc/invoke.texi (-mfixed-range): Document new option.
7161
7162 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
7163
7164         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
7165         for TARGET_64BIT.
7166         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
7167
7168 2004-07-14  Roger Sayle  <roger@eyesopen.com>
7169
7170         * expmed.c (expand_sdiv_pow2): New function to expand signed division
7171         by a positive power of two, split out from expand_divmod.  Provide
7172         an alternate implementation when shifts are expensive.  Lower the
7173         threshold for using a branchless implementation to BRANCH_COST >= 2.
7174         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
7175
7176 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7177
7178         * tree-dfa.c (make_rename_temp): *Really* work just
7179         like create_tmp_var if called while outside SSA form.
7180
7181 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
7182
7183         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
7184         for division by zero.
7185         ("umodsi3"): Likewise.
7186
7187 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7188
7189         * config/mips/mips.c (mips_output_move): When generating mips16 code,
7190         force loads of negative constants to be split.
7191         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
7192         Generalize SImode li/neg splitter to cope with other modes.
7193
7194 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7195
7196         * expmed.c: Remove more references to QUEUED in the comments.
7197         * expr.c: Likewise.
7198
7199 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
7200
7201         Revert:
7202         2004-07-13  Richard Henderson  <rth@redhat.com>
7203         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
7204         correctly.
7205
7206 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7207
7208         * tree-dfa.c (make_rename_temp): Work just like
7209         create_tmp_var if called while outside SSA form.
7210
7211 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
7212
7213         * expr.c (enqueue_insn, finish_expr_for_function,
7214         protect_from_queue, queued_subexp_p, mark_queue,
7215         emit_insns_enqueued_after_mark, emit_queue,
7216         expand_increment): Remove.
7217         (store_constructor): Expand increment as an assignment.
7218         (expand_expr_real_1 <case PREINCREMENT_EXPR,
7219         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
7220         case POSTDECREMENT_EXPR>): Abort.
7221         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
7222         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
7223         protect_from_queue, emit_queue, queued_subexp_p): Remove.
7224         * function.h (pending_chain, x_pending_chain): Remove.
7225         * rtl.def (QUEUED): Remove.
7226
7227         * emit-rtl.c (copy_insn_1, copy_most_rtx,
7228         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
7229         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
7230         encode_units_mask): Likewise.
7231         * local-alloc.c (equiv_init_varies_p): Likewise.
7232         * rtl.c (copy_rtx): Likewise.
7233         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
7234         * simplify-rtx.c (simplify_gen_subreg): Likewise.
7235         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
7236
7237         * builtins.c (expand_builtin, expand_builtin_apply,
7238         expand_builtin_mathfn, expand_builtin_mathfn_2,
7239         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
7240         Remove calls to emit_queue and protect_from_queue.
7241         * calls.c (expand_call, precompute_arguments,
7242         precompute_register_parameters, rtx_for_function_call,
7243         store_one_arg): Likewise.
7244         * dojump.c (do_compare_and_jump, do_jump): Likewise.
7245         * explow.c (memory_address): Likewise.
7246         * expmed.c (clear_by_pieces_1, clear_storage,
7247         clear_storage_via_libcall, emit_group_load,
7248         emit_group_store, emit_store_flag,
7249         expand_expr_real_1, store_by_pieces,
7250         store_constructor, store_expr, try_casesi,
7251         try_tablejump): Likewise.
7252         * function.c (expand_pending_sizes): Likewise.
7253         * optabs.c (emit_cmp_and_jump_insns,
7254         emit_conditional_add, emit_conditional_move,
7255         expand_fix, expand_float, prepare_cmp_insn): Likewise.
7256         * stmt.c (emit_case_bit_tests,
7257         expand_asm_expr, expand_computed_goto,
7258         expand_decl_init, expand_end_case_type,
7259         expand_end_stmt_expr, expand_expr_stmt_value,
7260         expand_return, expand_start_case,
7261         optimize_tail_recursion): Likewise.
7262         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7263         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
7264
7265 2004-07-14  Ben Elliston  <bje@au.ibm.com>
7266
7267         * vec.h: Comment fix.
7268
7269 2004-07-13  Richard Henderson  <rth@redhat.com>
7270
7271         * target.h (struct gcc_target): Add calls.pass_by_reference.
7272         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
7273         * function.c (pass_by_reference): Use the hook.
7274         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
7275         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
7276         (hook_pass_by_reference_must_pass_in_stack): New.
7277         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
7278         (alpha_pass_by_reference): New.
7279         (TARGET_PASS_BY_REFERENCE): New.
7280         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7281         * config/arc/arc.c (arc_pass_by_reference): New.
7282         (TARGET_PASS_BY_REFERENCE): New.
7283         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7284         (FUNCTION_ARG_CALLEE_COPIES): True.
7285         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
7286         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
7287         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
7288         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7289         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7290         * config/cris/cris.c (cris_pass_by_reference): New.
7291         (TARGET_PASS_BY_REFERENCE): New.
7292         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
7293         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
7294         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7295         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
7296         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7297         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
7298         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
7299         (frv_function_arg_pass_by_reference): Remove.
7300         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7301         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
7302         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
7303         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
7304         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7305         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
7306         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
7307         (ia64_pass_by_reference): Rename from
7308         ia64_function_arg_pass_by_reference.
7309         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7310         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7311         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
7312         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
7313         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
7314         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7315         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7316         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
7317         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
7318         (m32r_pass_by_reference): Adjust prototype.  Make static.
7319         Handle mode sizes correctly.
7320         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7321         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
7322         (m68hc11_function_arg_pass_by_reference): Remove.
7323         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7324         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7325         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
7326         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7327         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
7328         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
7329         (mips_va_arg): Use pass_by_reference.
7330         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
7331         Handle mode sizes correctly.
7332         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7333         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
7334         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
7335         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
7336         (mmix_pass_by_reference): Rename from
7337         mmix_function_arg_pass_by_reference.
7338         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7339         (FUNCTION_ARG_CALLEE_COPIES): True.
7340         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
7341         (mn10300_pass_by_reference): New.
7342         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7343         (FUNCTION_ARG_CALLEE_COPIES): True.
7344         * config/pa/pa.c (pa_pass_by_reference): New.
7345         (TARGET_PASS_BY_REFERENCE): New.
7346         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7347         (FUNCTION_ARG_CALLEE_COPIES): True.
7348         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
7349         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
7350         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
7351         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7352         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
7353         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
7354         (s390_pass_by_reference): Rename from
7355         s390_function_arg_pass_by_reference.
7356         (s390_function_arg_advance): Don't query pass-by-ref.
7357         (s390_function_arg): Likewise.
7358         (s390_gimplify_va_arg): Use pass_by_reference.
7359         (s390_call_saved_register_used): Likewise.
7360         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7361         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
7362         (shcompact_byref, sh_pass_by_reference): New.
7363         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7364         (SHCOMPACT_BYREF): Remove.
7365         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
7366         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
7367         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
7368         (sparc_gimplify_va_arg): Use pass_by_reference.
7369         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7370         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7371         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
7372         (v850_pass_by_reference): New.
7373         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7374         (FUNCTION_ARG_CALLEE_COPIES): True.
7375         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
7376         FUNCTION_ARG_PASS_BY_REFERENCE docs.
7377
7378 2004-07-14  Richard Henderson  <rth@redhat.com>
7379             Richard Sandiford  <rsandifo@redhat.com>
7380
7381         * config/mips/mips-protos.h (mips_va_arg): Delete.
7382         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
7383         * config/mips/mips.c: Include tree-gimple.h.
7384         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
7385         (mips_arg_info): Remove special handling of must_pass_in_stck args.
7386         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
7387         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
7388
7389 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
7390
7391         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
7392         arguments for COND_EXPR in big-endian adjustment code.
7393
7394 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7395
7396         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
7397         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
7398         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
7399         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
7400
7401 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7402
7403         PR tree-optimization/16443
7404         * tree-ssa-alias.c: Add more description for
7405         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
7406         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
7407         clobbering of call-clobbered and addressable variables.  If
7408         there are any before aliases have been computed, add them.
7409
7410 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
7411
7412         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
7413         verification.
7414
7415 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
7416
7417         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
7418         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
7419         to the same type.
7420
7421 2004-07-13  Per Bothner  <per@bothner.com>
7422
7423         * collect2.c (main):  Handle --no-demangle and --demangle flags.
7424
7425 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
7426
7427         * Makefile.in (OBJS-common): Add tree-data-ref.o.
7428         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
7429         (tree-data-ref.o): New rule.
7430         * lambda.h: New file.
7431         * tree-data-ref.c: New file.
7432         * tree-data-ref.h: New file.
7433         * tree.c (int_cst_value, tree_fold_gcd): New functions.
7434         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
7435
7436 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7437
7438         PR target/13926
7439         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
7440         * config/sparc/sparc.c (output_ubranch): New function.
7441         * config/sparc/sparc.md (jump pattern): Use it.
7442
7443 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7444
7445         PR target/16494
7446         * config/sparc/sparc.c (output_cbranch): Properly guard
7447         the code handling far branches with TARGET_V9.
7448         * config/sparc/sparc.md (length attribute): Document the
7449         side-effect of having a length greater or equal to 3.
7450
7451 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7452             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
7453
7454         PR target/15186
7455         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
7456         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
7457
7458 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7459             Martin Sebor  <sebor@roguewave.com>
7460
7461         PR target/12602
7462         * doc/invoke.texi (SPARC options): Document -threads
7463         and -pthreads on Solaris.
7464
7465 2004-07-13  Richard Henderson  <rth@redhat.com>
7466
7467         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
7468         by reference.
7469         (ind_gimplify_va_arg_expr): Remove.
7470         * tree.h (ind_gimplify_va_arg_expr): Remove.
7471         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
7472         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
7473         argsp to be null.
7474
7475         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
7476         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
7477         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
7478         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
7479         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
7480
7481 2004-07-13  Richard Henderson  <rth@redhat.com>
7482
7483         * function.c (pass_by_reference): New.
7484         (assign_parm_find_data_types): Use it.
7485         * calls.c (initialize_argument_information): Likewise.
7486         (emit_library_call_value_1): Likewise.
7487         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
7488         * function.h (pass_by_reference): Declare.
7489
7490 2004-07-13  Richard Henderson  <rth@redhat.com>
7491
7492         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
7493         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
7494         * expr.h (MUST_PASS_IN_STACK): Remove.
7495         * system.h (MUST_PASS_IN_STACK): Poison.
7496         * tree.h (must_pass_in_stack_var_size): Declare.
7497         (must_pass_in_stack_var_size_or_pad): Declare.
7498         * calls.c (must_pass_in_stack_var_size): New.
7499         (must_pass_in_stack_var_size_or_pad): Rename from
7500         default_must_pass_in_stack.
7501         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
7502         (TARGET_MUST_PASS_IN_STACK): New.
7503         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
7504         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
7505         (TARGET_MUST_PASS_IN_STACK): New.
7506         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
7507         * config/frv/frv.c (frv_must_pass_in_stack): New.
7508         (TARGET_MUST_PASS_IN_STACK): New.
7509         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
7510         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
7511         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
7512         (ix86_must_pass_in_stack): Make static.
7513         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
7514         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
7515         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
7516         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
7517         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
7518         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
7519         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
7520         (mcore_must_pass_on_stack): Remove.
7521         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
7522         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
7523         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
7524         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
7525         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
7526         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
7527         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
7528         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
7529         (TARGET_MUST_PASS_IN_STACK): New.
7530         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
7531         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
7532         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
7533         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
7534         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
7535         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
7536         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
7537         MUST_PASS_IN_STACK.
7538
7539         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
7540         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
7541         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
7542         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
7543         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
7544         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
7545         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
7546         config/xtensa/xtensa.c: Use target hook.
7547
7548 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
7549
7550         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
7551         * configure: Rebuilt.
7552
7553 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7554
7555         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
7556         * config/mips/mips.h (mips_reg_names): Don't declare.
7557         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
7558         (TARGET_NAME_REGS): Delete.
7559         (TARGET_SWITCHES): Remove -mrnames.
7560         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
7561         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
7562         in REGISTER_NAMES.
7563         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
7564         (override_options): Remove handling of TARGET_NAME_REGS.
7565
7566 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
7567
7568         * config/mips/mips.h (TARGET_*): Boolify.
7569
7570 2004-07-12  Nick Clifton  <nickc@redhat.com>
7571
7572         * config.gcc: Add sh-*-symbianelf target.
7573         * config/sh/sh.c: Add new target macros:
7574         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
7575         TARGET_CXX_IMPORT_EXPORT_CLASS.
7576         (sh_file_start): Create a definition of the .directive section.
7577         (sh_attribute): Add dllimport and dllexport attributes.
7578         * config/sh/symbian-pre.h: New file.
7579         * config/sh/symbian-post.h: New file.
7580         * config/sh/symbian.c: New file. Contains Symbian specific
7581         functions.
7582         * config/sh/sh-protos.h: Add prototypes for new functions
7583         provided by symbian.c.
7584         * config/sh/t-symbian: New file.
7585         * doc/extend.texi: Document support for dllimport and dllexport
7586         attributes by the sh-symbianelf target.
7587
7588 2004-07-12  James E Wilson  <wilson@specifixinc.com>
7589
7590         * Makefile.in (AR): Use @AR@ not ar.
7591         (NM): New.
7592         (AR_FOR_TARGET): Use $(AR) not ar for native.
7593         (NM_FOR_TARGET): Use $(NM) not nm for native.
7594         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
7595         * configure: Regenerate.
7596
7597 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
7598
7599         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
7600         special case.
7601         (ashldi3_sp64): Likewise.
7602
7603 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7604
7605         PR target/16477
7606         * pa.c (function_arg): Update comment.
7607         * pa.h (BLOCK_REG_PADDING): Define.
7608
7609 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7610
7611         PR tree-optimization/16461
7612         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
7613         arguments of phi nodes.
7614
7615 2004-07-12  Devang Patel  <dpatel@apple.com>
7616
7617         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
7618
7619 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
7620
7621         * function.c (expand_function_start): Ensure r_save is in Pmode.
7622         * calls.c (prepare_call_address): Ensure static_chain_value is
7623         in Pmode.
7624         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
7625         r_save_area are in Pmode.
7626         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
7627         fnaddr, and static_chain are in Pmode.
7628
7629 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
7630
7631         PR target/16445
7632         * config/ia64/ia64.c (bundling): Don't count ignored insns.
7633
7634 2004-07-12  Richard Henderson  <rth@redhat.com>
7635
7636         * target.h (struct gcc_target): Move gimplify_va_arg_expr
7637         next to build_builtin_va_list.
7638         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
7639         * builtins.c (gimplify_va_arg_expr): Likewise.
7640         * gimplify.c (copy_if_shared_r): Likewise.
7641
7642 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
7643
7644         * passes.c (rest_of_decl_compilation): Don't defer call of
7645         assemble_variable if its DECL_RTL is already set.
7646
7647 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
7648
7649         * cfgloop.h (struct loop): Add nb_iterations field.
7650         (current_loops): Declare.
7651         * tree-chrec.c (chrec_not_analyzed_yet,
7652         chrec_dont_know, chrec_known, count_ev_in_wider_type,
7653         chrec_contains_symbols_defined_in_loop): Remove the temporary
7654         hooks.
7655         * tree-flow-inline.h (loop_containing_stmt): New function.
7656         * tree-scalar-evolution.c: Add implementation.
7657         * tree-scalar-evolution.h: Add declarations.
7658
7659 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
7660
7661         PR rtl-optimization/15921
7662         * Makefile.in (global.o): Add recog.h.
7663
7664         * global.c (recog.h): Add the include-clause.
7665         (bb_info): New member earlyclobber.
7666         (allocate_bb_info, free_bb_info): Initialize/finish the new
7667         member.
7668         (earlyclobber_regclass, earlyclobber_regclass_length): The new
7669         global variables.
7670         (check_earlyclobber, regclass_intersect,
7671         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
7672         New functions.
7673         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
7674         (make_accurate_live_analysis): Modify pavin.
7675
7676 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
7677
7678         * tree-cfg.c (find_taken_edge): Statically compute the truth
7679         value of a predicate comparing an SSA_NAME to itself.
7680
7681 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7682
7683         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
7684         rs6000 doesn't have shift-and-add or shift-and-sub instructions
7685         by returning the cost of a multiplication plus an addition.
7686
7687 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
7688
7689         PR tree-optimization/14107
7690         * gimplify.c (gimplify_return_expr): Accept a
7691         RETURN_EXPR with an error argument.
7692         * tree-optimize.c (init_tree_optimization_passes):
7693         Run pass_warn_function_return at -O0.
7694
7695 2004-07-12  Roger Sayle  <roger@eyesopen.com>
7696
7697         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
7698         index entry.
7699
7700 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
7701
7702         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
7703         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7704         * config/mips/3000.md: Add copyright notice.  Remove automota and
7705         function units; use generic ones instead.  Only define reservations
7706         for things that are different from generic.md.  Extend each clause
7707         to include r3900.
7708         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
7709         * config/mips/mips.md: Include them. Remove define_function_units.
7710         (alu, imuldiv): New automata and units.
7711
7712 2004-07-12  Ben Elliston  <bje@au.ibm.com>
7713
7714         * doc/invoke.texi (Optimize Options): Document -frename-registers
7715         not being enabled by default at -O3.
7716
7717 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7718
7719         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
7720         floating point additions, to keep real immediate constant positive.
7721         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
7722         into X + C, and leave positive real constants as X - C.
7723
7724 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7725
7726         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
7727
7728 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7729
7730         PR tree-optimization/15654
7731         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
7732
7733 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7734
7735         * builtins.c (fold_builtin_fputs): Don't bother converting the
7736         return type to integer_type_node, as we've already checked that
7737         the result will be ignored.
7738
7739         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
7740         that signed addition, subtraction, multiplication, division,
7741         remainder, negation and absolute value may potentially trap.
7742
7743         * fold-const.c (fold_ignored_result): New function to strip
7744         non-side-effecting tree nodes from an expression whose result
7745         is ignored.
7746         (fold_convert): Call fold_ignored_result when casting a value
7747         to VOID_TYPE.
7748         (omit_one_operand):  Call fold_ignored_result on the "omitted"
7749         operand when building a COMPOUND_EXPR.
7750         (pedantic_omit_one_operand): Likewise.
7751         * tree.h (fold_ignored_result): Prototype here.
7752         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
7753         when we're going to ignore the result.
7754
7755 2004-07-11  Richard Henderson  <rth@redhat.com>
7756
7757         PR tree-opt/16383
7758         * tree-ssa-ccp.c (fold_stmt_r): Split out...
7759         * tree.c (fields_compatible_p, find_compatible_field): ... new.
7760         * tree.h (fields_compatible_p, find_compatible_field): Declare.
7761         * tree-sra.c (sra_hash_tree): Hash fields by offset.
7762         (sra_elt_eq): Use fields_compatible_p.
7763         (generate_one_element_ref): Use find_compatible_field.
7764
7765 2004-07-11  Richard Henderson  <rth@redhat.com>
7766
7767         PR tree-opt/16422
7768         * tree-sra.c (generate_one_element_init): New.
7769         (generate_element_init): Use it.
7770         (scalarize_init): Push/pop gimplify context around it.
7771         (find_new_referenced_vars_1, find_new_referenced_vars): New.
7772         * gimplify.c (gimplify_expr): Allow SSA_NAME.
7773
7774 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7775
7776         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
7777         combine.c's combine_insn_cost.
7778         * rtl.h (insn_rtx_cost): Prototype here.
7779         * combine.c (combine_insn_cost): Delete function.
7780         (combine_validate_cost): Update callers of combine_insn_cost to
7781         call insn_rtx_cost instead.
7782         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
7783         requesting the rtx_cost of call and/or jump instructions.
7784
7785         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
7786         rtx_cost directly.  Don't request/use the cost of call or jump
7787         instructions.  Return -1 if the cost of any instruction can't be
7788         determined (or the BB contains a function call).
7789         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
7790         -1 (i.e. can't determine the cost of any instruction or the basic
7791         block contains a subroutine call).
7792         (find_if_case_2): Likewise.
7793
7794 2004-07-11  Roger Sayle  <roger@eyesopen.com>
7795
7796         * rs6000.c (struct processor_costs): Change semantics of fields to
7797         include the COST_N_INSNS scaling, and update all initializers.
7798         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
7799         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
7800         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
7801         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
7802
7803 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7804
7805         * LANGUAGES: Remove obsolete information.
7806
7807 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7808
7809         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
7810         SIGBUS signal frames, the PSW address points *to* the faulting
7811         instruction, not after it.
7812
7813 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
7814
7815         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
7816         added to TLS symbol addresses.
7817
7818 2004-07-11  Richard Henderson  <rth@redhat.com>
7819
7820         * expmed.c (init_expmed): Use stack-local structures for
7821         temporary rtl.  Don't recognize shifts.
7822
7823 2004-07-11  Richard Henderson  <rth@redhat.com>
7824
7825         * expr.c (store_expr): Don't fiddle subreg promotion for types
7826         with precision smaller than the mode.
7827
7828 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7829
7830         * tree.h (all_types_permanent): Remove.
7831
7832 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7833
7834         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
7835         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
7836         * langhooks.c (lhd_clear_binding_stack): Remove.
7837         * langhooks-def.h (lhd_clear_binding_stack,
7838         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7839         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
7840         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
7841         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7842         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
7843         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7844         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
7845         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
7846         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
7847         * tree.h (poplevel): Don't declare.
7848         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
7849         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
7850         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
7851         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
7852         Remove.
7853
7854 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7855
7856         PR tree-optimization/16437
7857         * c-common.c (shorten_compare): Don't mark result of conversion to
7858         narrower signed type as overflowing.
7859         * fold-const.c (decode_field_reference): Determine whether
7860         signedness comes from outer type using precision rather than size.
7861
7862 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7863
7864         * configure.ac:  Alphabetize --enable-checking list, add
7865         missing valgrind entry.
7866         * configure:  Regenerate.
7867
7868 2004-07-11  Phil Edwards  <phil@codesourcery.com>
7869
7870         * doc/install.texi (Testing):  Fix syntax in "make check" example.
7871
7872 2004-07-10  James E Wilson  <wilson@specifixinc.com>
7873
7874         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
7875
7876 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7877
7878         PR rtl-optimization/16001
7879         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
7880         niter_expr.
7881
7882 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
7883
7884         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
7885
7886 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
7887             James Morrison  <phython@gcc.gnu.org>
7888
7889         * doc/contrib.texi (Contributors): Add gfortran contributors and
7890         fix a couple of typos.
7891
7892 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7893
7894         PR rtl-optimization/15387
7895         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
7896         to incoming args space correctly.
7897
7898 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7899
7900         * pa.c (output_indirect_call): Only use %r2 as the link register in
7901         indirect calls with the long PA 2.0 pc-relative branch.
7902
7903 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
7904
7905         * config/i386/i386.c (override_options): Pick a 64-bit CPU
7906         for the default tuning if TARGET_64BIT.
7907
7908 2004-07-10  Richard Henderson  <rth@redhat.com>
7909
7910         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
7911         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
7912
7913 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
7914
7915         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
7916         * expmed.c (store_bit_field, extract_bit_field): Remove last
7917         argument.
7918         * builtins.c (expand_builtin_signbit): Adjust callers.
7919         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
7920         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
7921         * ifcvt.c (noce_emit_move_insn): Likewise.
7922         * stmt.c (expand_return): Likewise.
7923         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
7924         store_field, expand_expr_real_1): Likewise.
7925
7926 2004-07-10  Richard Henderson  <rth@redhat.com>
7927
7928         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
7929
7930 2004-07-09  Mike Stump  <mrs@apple.com>
7931
7932         * config/darwin.c (no_dead_strip): Add.
7933         (HAVE_DEAD_STRIP): Add.
7934         (darwin_emit_unwind_label): Ensure that we don't dead code strip
7935         the .eh label.
7936
7937 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7938
7939         * tree-ssa-loop-im.c: New file.
7940         * Makefile.in (tree-ssa-loop-im.o): Add.
7941         * cfgloop.c (superloop_at_depth): New function.
7942         * cfgloop.h (superloop_at_depth): Declare.
7943         * common.opt (ftree-lim): New flag.
7944         * expr.c (array_ref_up_bound): New function.
7945         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
7946         * timevar.def (TV_LIM): New timevar.
7947         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
7948         computing immediate uses of a phi node.
7949         * tree-flow.h (struct tree_ann_common_d): Add aux field.
7950         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
7951         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
7952         * tree-pass.h (pass_lim): Declare.
7953         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
7954         functions.
7955         (pass_lim): New pass structure.
7956         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
7957         * tree.c (in_array_bounds_p): New function.
7958         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
7959         (in_array_bounds_p, array_ref_up_bound): Declare.
7960         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
7961         * doc/passes.texi (tree-ssa-loop-im.c): Document.
7962
7963 2004-07-09  Richard Henderson  <rth@redhat.com>
7964
7965         * builtins.c (expand_builtin_stpcpy): Don't modify len.
7966
7967         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
7968         with prejudice.
7969
7970 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
7971
7972         * flags.h: Delete redundant prototypes that are being generated
7973         in options.h from common.opt.
7974         * common.opt: Add in the expository comments formerly in flags.h.
7975
7976 2004-07-09  Jan Beulich  <jbeulich@novell.com>
7977
7978         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
7979         available for use only when TARGET_MMX/_SSE is set, and check for
7980         variable argument function if any register count is non-zero.
7981         (function_arg): Correctly suppress repeated warnings for passing SSE
7982         vectors are arguments without SSE enabled.
7983         (ix86_function_arg_boundary): Without SSE enabled, the use of what
7984         would be SSE register modes does no longer influence the alignment.
7985
7986 2004-07-09  Richard Henderson  <rth@redhat.com>
7987
7988         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
7989         Always align upward to arg boundary.  Use size_in_bytes/round_up.
7990         Maintain type-correctness of constants.
7991         * stor-layout.c (round_up, round_down): Special-case powers of 2.
7992
7993 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
7994
7995         * config/sparc/sparc.c (*_costs): Scale instruction costs
7996         by COSTS_N_INSNS.
7997         (sparc_rtx_costs): Adjust as appropriate.
7998
7999 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8000
8001         * config/i386/mm3dnow.h: New.
8002         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
8003
8004 2004-07-09  Richard Henderson  <rth@redhat.com>
8005
8006         * simplify-rtx.c (simplify_const_relational_operation): Only
8007         look at bounds of scalar integers.
8008
8009 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8010
8011         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
8012
8013 2004-07-09  Andrew Pinski  <apinski@apple.com>
8014
8015         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
8016         always referenced.
8017         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
8018         UOBJC_METACLASS_decl.
8019
8020 2004-07-09  James E Wilson  <wilson@specifixinc.com>
8021
8022         PR target/16364
8023         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
8024         do return a parallel if hfa_mode == XFmode and mode == TImode.
8025
8026 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8027
8028         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
8029         permissible for unary plus.
8030
8031 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8032
8033         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
8034         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
8035         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
8036         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
8037         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
8038         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
8039         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
8040         (BUILTIN_xxxIMAX): New.
8041         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
8042         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
8043         BUILT_IN_PARITYIMAX.
8044
8045 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
8046
8047         * config/sparc/sparc.h (processor_costs): Define.
8048         (sparc_costs): Declare.
8049         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
8050         hypersparc_costs, sparclet_costs, ultrasparc_costs,
8051         ultrasparc3_costs): New.
8052         (sparc_override_options): Set sparc_costs as appropriate.
8053         (sparc_rtx_costs): Use sparc_costs instead of messy
8054         conditionals.
8055
8056 2004-07-09  Steven Bosscher  <stevenb@suse.de>
8057
8058         * doc/md.texi (Processor pipeline description): Mention that
8059         the old pipeline description is deprecated.
8060
8061         * config/rs6000/7450.md (automaton ppc7450): Split up, move
8062         mciu_7450 function unit to...
8063         (automaton ppc7450mciu): ...new automaton.
8064
8065         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
8066         (schedule_block): Don't consider inserting bubbles.
8067         (sched_init): Don't initialize DFA bubbles.
8068         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
8069         TARGET_SCHED_DFA_BUBBLE): Remove.
8070         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
8071         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
8072         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
8073
8074         * stmt.c (conditional_context): Remove prototype.
8075         * tree.h (conditional_context): Remove.
8076         * tree-cfg.c (pre_insert_on_edge): Remove.
8077
8078         * c-common.h (c_expand_asm_operands): Remove prototype.
8079         * c-typeck.c (c_expand_asm_operands): Remove.
8080
8081 2004-07-09  Jan Beulich  <jbeulich@novell.com>
8082
8083         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
8084         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
8085         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
8086         and V8QI are class SSE. All sufficiently small remaining vector modes
8087         must be passed in one or two integer registers.
8088         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
8089         returned in memory.
8090         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
8091         __builtin_ia32_pmuludq128 have non-uniform argument and return types
8092         and must thus be handled explicitly.
8093         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
8094         MMX and XMM regs.
8095         (movv8qi_internal, movv4hi_internal, movv2si_internal,
8096         movv2sf_internal): Permit moving between MMX and XMM registers (since
8097         MMX areguments and return values are passed in XMM registers).
8098         (sse2_umulsidi3): Correct type and mode.
8099
8100 2004-07-09  Richard Henderson  <rth@redhat.com>
8101
8102         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
8103
8104 2004-07-09  Eric Christopher  <echristo@redhat.com>
8105
8106         * config/rs6000/40x.md: Split into two automatons.
8107
8108 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8109             Andrew Pinski  <apinski@apple.com>
8110
8111         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
8112         on when we have more than one input file.
8113         (c_common_parse_file): Restore loop over all input files.
8114         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
8115
8116         * c-decl.c (set_type_context): New function.
8117         (pop_scope): Use it to set context of types.  When we
8118         encounter a TYPE_DECL, set the context of the attached type too.
8119         (pop_file_scope): Don't call cpp_undef_all here.
8120         (diagnose_mismatched_decls): Do not complain about a second
8121         definition of an 'extern inline' function if it's not in the
8122         same translation unit.  Do not complain about inline
8123         declaration after use if the use was in a different
8124         translation unit.
8125         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
8126         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
8127         the external scope.
8128         (pushdecl_top_level): Likewise.
8129         (grokdeclarator): Clarify what is going on with setting
8130         DECL_EXTERNAL on function types, a little.
8131         (c_write_global_declarations): Don't do anything if
8132         -fsyntax-only or errors have been encountered.
8133
8134 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
8135
8136         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
8137
8138 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8139
8140         PR target/16459
8141         * pa.c (output_indirect_call): Use %r2 as the link register when
8142         calling $$dyncall with a pc-relative branch.
8143
8144 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
8145
8146         * doc/install.texi (Binaries): Mention OpenPKG.
8147
8148 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
8149
8150         Fix PR tree-optimization/15555
8151         * tree-dfa.c (dump_variable): If the variable is a pointer
8152         SSA_NAME, also dump its points-to information.
8153         * tree-flow.h (struct ptr_info_def): Add field
8154         is_dereferenced.
8155         (dump_points_to_info_for): Declare.
8156         (debug_points_to_info_for): Declare.
8157         * tree-optimize.c (init_tree_optimization_passes): Add a
8158         second alias analysis pass after DOM2.
8159         Move pass_del_pta to a later spot.
8160         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
8161         create a name tags when we find a dereferenced pointer.  Just
8162         mark the pointer dereferenced.
8163         (collect_points_to_info_for): Move code to clear points-to
8164         information to create_name_tags.
8165         (create_name_tags): New function.
8166         (compute_flow_sensitive_aliasing): Call it.
8167         (setup_pointers_and_addressables): Mark type tags for renaming
8168         here instead of ...
8169         (create_memory_tag): ... here.
8170         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
8171         (dump_points_to_info_for): Declare extern.
8172         (debug_points_to_info_for): New function.
8173
8174 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
8175
8176         * config/arc/arc.md: Switch to DFA-based scheduler description.
8177         * config/arc/arc.c: Switch to DFA-based scheduler description.
8178
8179 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8180
8181         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
8182         pointer.
8183
8184 2004-07-09  Richard Henderson  <rth@redhat.com>
8185
8186         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
8187         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8188         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
8189         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8190
8191         * config/v850/v850-protos.h (v850_va_arg): Remove.
8192         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8193         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
8194         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
8195         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
8196         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
8197
8198 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8199
8200         PR target/12133
8201         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
8202         and DImode to use +/-4k offset.
8203
8204 2004-07-09  Richard Henderson  <rth@redhat.com>
8205
8206         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
8207         Remove.
8208         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8209         (xstormy16_gimplify_va_arg_expr): Rewrite from
8210         xstormy16_expand_builtin_va_arg.
8211         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
8212
8213         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
8214         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
8215
8216         * config/sh/sh-protos.h (sh_va_arg): Remove.
8217         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8218         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
8219         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
8220
8221         * config/pa/pa-protos.h (hppa_va_arg): Remove.
8222         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8223         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
8224         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
8225
8226         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
8227         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8228         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
8229         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
8230
8231 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8232
8233         * config/sparc/sparc.md (return): Rewrite length formula.
8234         * config/sparc/sparc.c (output_return): Pass 1 as 5th
8235         argument to final_scan_insn when in a delay slot.
8236         (output_sibcall): Likewise.
8237
8238 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
8239
8240         * arm.c (arm_cpp_interwork): New variable.
8241         (arm_override_options): Set it if TARGET_INTERWORK was on the command
8242         line.
8243         * arm.h (arm_cpp_interwork): Declare it.
8244         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
8245         __THUMB_INTERWORK__ in the preprocessor.
8246
8247 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
8248
8249         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
8250
8251 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8252
8253         PR target/16416
8254         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
8255         Override default settings to account for -m32 and -m64.
8256
8257 2004-07-08  Randolph Chung  <tausq@debian.org>
8258
8259         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
8260
8261 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
8262
8263         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
8264         before comparing it as such.
8265
8266 2004-07-08  Richard Henderson  <rth@redhat.com>
8267
8268         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
8269         temporary.  Use bit arithmetic to align.
8270
8271 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
8272
8273         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
8274         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
8275         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
8276         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
8277         add_labels_and_missing_jumps, find_jump_block,
8278         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
8279         Likewise.
8280         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
8281         link_btr_uses, move_btr_def): Likewise.
8282         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
8283         expand_builtin_expect_jump): Likewise.
8284         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
8285         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8286         * cfganal.c (forwarder_block_p): Likewise.
8287         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
8288         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
8289         find_bb_boundaries): Likewise.
8290         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
8291         merge_blocks_move_predecessor_nojumps,
8292         merge_blocks_move_successor_nojumps, insns_match_p,
8293         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
8294         try_optimize_cfg): Likewise.
8295         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
8296         * cfglayout.c (skip_insns_after_block, label_for_bb,
8297         record_effective_endpoints, insn_locators_initialize,
8298         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
8299         * cfgmainloop.c (create_loop_notes): Likewise.
8300         * cfgrtl.c (delete_insn, delete_insn_chain,
8301         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
8302         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
8303         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
8304         redirect_branch_edge, force_nonfallthru_and_redirect,
8305         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
8306         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
8307         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
8308         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8309         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
8310         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
8311         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
8312         * combine.c (combine_instructions, can_combine_p, try_combine,
8313         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
8314         distribute_notes, distribute_links, insn_cuid): Likewise.
8315         * cse.c (fold_rtx, cse_insn, cse_around_loop,
8316         invalidate_skipped_block, cse_set_around_loop,
8317         cse_end_of_basic_block, cse_main, cse_basic_block,
8318         cse_condition_code_reg): Likewise.
8319         * cselib.c (cselib_process_insn): Likewise.
8320         * ddg.c (create_ddg): Likewise.
8321         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
8322         Likewise.
8323         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
8324         gen_label_die, dwarf2out_var_location): Likewise.
8325         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
8326         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
8327         last_call_insn, active_insn_p, next_label, prev_label,
8328         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
8329         add_insn_before, remove_insn, add_function_usage_to,
8330         reorder_insns, find_line_note, remove_unnecessary_notes,
8331         emit_insn_after_1, classify_insn): Likewise.
8332         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
8333         connect_post_landing_pads, sjlj_mark_call_sites,
8334         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
8335         can_throw_internal, can_throw_external, set_nothrow_function_flags,
8336         convert_to_eh_region_ranges): Likewise.
8337         * explow.c (optimize_save_area_alloca): Likewise.
8338         * expr.c (expand_expr_real): Likewise.
8339         * final.c (insn_current_reference_address, compute_alignments,
8340         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
8341         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
8342         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
8343         propagate_block_delete_insn, propagate_one_insn,
8344         init_propagate_block_info, propagate_block, libcall_dead_p,
8345         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
8346         Likewise.
8347         * function.c (instantiate_virtual_regs, reorder_blocks_1,
8348         expand_function_start, expand_function_end, contains,
8349         thread_prologue_and_epilogue_insns,
8350         reposition_prologue_and_epilogue_notes): Likewise.
8351         * gcse.c (constprop_register, bypass_conditional_jumps,
8352         insert_insn_end_bb, gcse_after_reload): Likewise.
8353         * genemit.c (gen_expand, gen_split): Likewise.
8354         * genpeep.c (gen_peephole, main): Likewise.
8355         * global.c (build_insn_chain): Likewise.
8356         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
8357         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
8358         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
8359         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
8360         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
8361         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
8362         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
8363         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
8364         dead_or_predicable): Likewise.
8365         * integrate.c (try_constants): Likewise.
8366         * jump.c (rebuild_jump_labels, cleanup_barriers,
8367         purge_line_number_notes, init_label_info, mark_all_labels,
8368         squeeze_notes, get_label_before, get_label_after,
8369         reversed_comparison_code_parts, simplejump_p, pc_set,
8370         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
8371         delete_barrier, delete_prior_computation, delete_computation,
8372         delete_related_insns, delete_for_peephole, redirect_jump):
8373         Likewise.
8374         * lcm.c (optimize_mode_switching): Likewise.
8375         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
8376         Likewise.
8377         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
8378         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
8379         * loop-iv.c (simplify_using_assignment): Likewise.
8380         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
8381         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
8382         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
8383         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
8384         check_insn_for_givs, check_final_value, update_giv_derive,
8385         basic_induction_var, product_cheap_p, check_dbra_loop,
8386         loop_insn_first_p, last_use_this_basic_block,
8387         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
8388         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
8389         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
8390         sms_schedule_by_order): Likewise.
8391         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
8392         * postreload.c (reload_cse_simplify_operands, reload_combine,
8393         reload_cse_move2add): Likewise.
8394         * predict.c (can_predict_insn_p, estimate_probability,
8395         expected_value_to_br_prob, process_note_predictions): Likewise.
8396         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
8397         * profile.c (branch_prob): Likewise.
8398         * ra-build.c (live_out_1, livethrough_conflicts_bb,
8399         detect_webs_set_in_cond_jump): Likewise.
8400         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
8401         ra_print_rtl_with_bb): Likewise.
8402         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
8403         * recog.c (next_insn_tests_no_inequality, find_single_use,
8404         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
8405         * reg-stack.c (next_flags_user, record_label_references,
8406         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
8407         compensate_edge, convert_regs_1): Likewise.
8408         * regclass.c (scan_one_insn): Likewise.
8409         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
8410         regmove_optimize, fixup_match_1, single_set_for_csa,
8411         combine_stack_adjustments_for_block): Likewise.
8412         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
8413         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
8414         find_equiv_reg): Likewise.
8415         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
8416         reload_as_needed, emit_input_reload_insns, do_output_reload,
8417         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
8418         Likewise.
8419         * reorg.c (find_end_label, emit_delay_sequence,
8420         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
8421         get_jump_flags, rare_destination, mostly_true_jump,
8422         try_merge_delay_insns, redundant_insn, own_thread_p,
8423         fill_simple_delay_slots, fill_slots_from_thread,
8424         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
8425         dbr_schedule): Likewise.
8426         * resource.c (find_basic_block, next_insn_no_annul,
8427         find_dead_or_set_registers, mark_target_live_regs): Likewise.
8428         * rtl.h (RTX_PREV): Likewise.
8429         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
8430         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
8431         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
8432         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
8433         tablejump_p, computed_jump_p, insns_safe_to_move_p,
8434         find_first_parameter_load, can_hoist_insn_p): Likewise.
8435         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
8436         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
8437         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
8438         schedule_ebbs): Likewise.
8439         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
8440         is_conditionally_protected, can_schedule_ready_p,
8441         add_branch_dependences, debug_dependencies): Likewise.
8442         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
8443         Likewise.
8444         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
8445         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
8446         set_dominates_use, ujump_to_loop_cont): Likewise.
8447         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
8448         * varasm.c (output_constant_pool_1): Likewise.
8449
8450 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8451
8452         * tree-scalar-evolution.c: New file.
8453         * tree-scalar-evolution.h: New file.
8454         * tree-ssa-loop-niter.c: New file.
8455         * Makefile.in (SCEV_H): New.
8456         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
8457         * cfgloop.h (struct loop): Add bounds field.
8458         * tree-flow.h (struct tree_niter_desc): New type.
8459         (number_of_iterations_cond, number_of_iterations_exit,
8460         loop_niter_by_eval, find_loop_niter_by_eval,
8461         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
8462         free_numbers_of_iterations_estimates): Declare.
8463         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
8464         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
8465         * doc/invoke.texi (max-iterations-to-track): Document.
8466
8467 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
8468
8469         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
8470         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
8471         (MODE_AFTER): Add cast appropriately.
8472         * config/sh/sh.md (movdi splitter): Likewise.
8473         (casesi_worker_2): Add const qualifier appropriately.
8474         (eh_return): Remove unused variable.
8475         (insv): Initialize v;
8476
8477 2004-07-08  Richard Henderson  <rth@redhat.com>
8478
8479         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
8480         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8481         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
8482         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
8483         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
8484
8485         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
8486         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8487         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
8488         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
8489
8490         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
8491         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8492         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
8493         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
8494
8495         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
8496         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8497         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
8498         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
8499
8500         * config/i860/i860-protos.h (i860_va_arg): Remove.
8501         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8502         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
8503         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
8504
8505 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8506
8507         * system.h: Prototype getpagesize if missing.
8508         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
8509         * configure: Regenerate.
8510         * config.in: Regenerate.
8511
8512 2004-07-08  Richard Henderson  <rth@redhat.com>
8513
8514         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
8515         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8516         (fr30_gimplify_va_arg_expr): New.
8517         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
8518         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
8519
8520 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
8521
8522         PR target/16414
8523         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
8524         of asm_noperands result.
8525
8526 2004-07-08  Richard Henderson  <rth@redhat.com>
8527
8528         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
8529         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8530         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
8531         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
8532
8533 2004-07-08  Richard Henderson  <rth@redhat.com>
8534
8535         * builtins.c (ind_gimplify_va_arg_expr): New.
8536         * tree.h (ind_gimplify_va_arg_expr): Declare.
8537         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
8538
8539 2004-07-08  Jan Beulich  <jbeulich@novell.com>
8540
8541         * expmed.c (extract_bit_field): Correct condition to use vec_extract
8542         patterns also on vector elements other than the first one.
8543         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
8544         break statements.
8545
8546 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
8547
8548         * config/rs6000/darwin-ldouble.c: Correct reference
8549         to the Linnainmaa paper.
8550
8551 2004-07-08  Richard Henderson  <rth@redhat.com>
8552
8553         * config/arc/arc-protos.h (arc_va_arg): Remove.
8554         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8555         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
8556         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8557
8558         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
8559         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
8560         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
8561         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
8562
8563 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8564
8565         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
8566
8567 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8568
8569         * c-decl.c (static_ctors, static_dtors): Make static.
8570         (pop_file_scope): Call c_common_write_pch and
8571         cgraph_finalize_compilation_unit here.
8572         (build_cdtor): Moved here from c-objc-common.c; simplify.
8573         (c_write_global_declarations_1): Clarify comment.
8574         (c_write_global_declarations): Close the external scope before
8575         doing anything else.  Call build_cdtor, cgraph_optimize, and
8576         mudflap_finish_file here.
8577         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
8578         Clarify comment.
8579         * c-objc-common.c: No need to include cgraph.h.
8580         (build_cdtor): Moved to c-decl.c.
8581         (c_objc_common_finish_file): Delete.
8582         * c-tree.h: Update to match.
8583         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
8584         (generate_static_references): Set TREE_USED before calling finish_decl.
8585         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
8586         on the static_instances_decl.
8587
8588 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
8589
8590         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
8591         decls when there is only one input translation unit.
8592         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
8593         change of 2004-07-05; do not treat declarations with
8594         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
8595         * opts.c (cur_in_fname): Delete.
8596         * opts.h: Likewise.
8597         * tree.c: Revert changes of 2004-07-05; no special treatment
8598         for TRANSLATION_UNIT_DECLs.
8599         * Makefile.in (tree.o): Update dependencies.
8600
8601 2004-07-08  Roger Sayle  <roger@eyesopen.com>
8602
8603         * builtins.c (fold_builtin_strcpy): Merge functionality from
8604         simplify_builtin_strcpy.  Add additional len argument.  No longer
8605         static.  Remove function prototype.
8606         (fold_builtin_strncpy): Likewise integrate functionality from
8607         simplify_builtin_strncpy.  Add additional slen argument.  No
8608         longer static.  Remove function prototype.
8609         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
8610         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
8611         types of "ignore" and "unlocked" parameters to bool.
8612         (fold_builtin_1):  Add additional ignore argument.  Call renamed
8613         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
8614         builtins.  Update arguments to fold_builtin_strncpy and
8615         fold_builtin_strcpy.  Add function prototype.
8616         (fold_builtin): Add additional Boolean ignore argument to pass
8617         to fold_builtin_1.
8618         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
8619         and fold_builtin_strncpy instead of simplify_builtin_fputs,
8620         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
8621
8622         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
8623         simplify_builtin_strncpy): Delete function prototypes.
8624         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
8625         fold_builtin_strncpy): Add function prototypes here.
8626         (fold_builtin): Update function prototype with new "bool ignore".
8627
8628         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
8629         (ccp_fold_builtin):  Update call to fold_builtin.  Call
8630         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
8631         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
8632         simplify_builtin_strncpy respectively.
8633         * fold-const.c (fold): Update call to fold_builtin.
8634
8635 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8636
8637         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
8638         to strcpy.
8639
8640         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
8641         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
8642         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
8643         * calls.c: Remove ifdefs of macros above.
8644         * functions.c: Likewise.
8645         * expr.c: Likewise.
8646
8647 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8648
8649         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
8650         (arch attribute): Delete.
8651         (current_function_calls_alloca attribute): Rename into calls_alloca.
8652         (calls_eh_return): New attribute.
8653         (leaf_function): Likewise.
8654         (length attribute): Fix formula for sibcalls.
8655         (return insn): Correctly compute the 'length' attribute.
8656         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
8657
8658 2004-07-08  Richard Henderson  <rth@redhat.com>
8659
8660         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
8661         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
8662         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
8663         * tree-eh.c (lower_eh_constructs_1): Likewise.
8664         * tree-sra.c (sra_walk_modify_expr): Likewise.
8665         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
8666         (eliminate_unnecessary_stmts): Likewise.
8667         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8668         * tree-tailcall.c (optimize_tail_call): Likewise.
8669         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
8670
8671 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8672             Jakub Jelinek  <jakub@redhat.com>
8673
8674         * config/i386/i386.c (override_options): Enable
8675         SSE prefetches with -mtune, as long as we are
8676         compiling for i686 or higher.  All i686 processors
8677         accept SSE prefetches as NOPS, some i586's don't.
8678
8679 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8680
8681         PR target/10567
8682         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
8683
8684 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8685
8686         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
8687         the handling of clobbering ASM_EXPRs.
8688
8689 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8690
8691         PR target/16430
8692         * config/sparc/sparc.c (function_value): In 64-bit mode,
8693         return the aggregates larger than 16 bytes like unions.
8694
8695 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8696
8697         PR target/16199
8698         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
8699         'temp' is zero, generate new pseudos as needed and emit the
8700         sequence of insns in single-assignment form.  Resync comments
8701         with code.
8702         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
8703         function before reload.
8704
8705 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
8706
8707         * vec.c (vec_assert_fail): Remove duplicate 'function'.
8708
8709         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
8710
8711         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
8712         Allocation is signed.
8713         (VEC_reserve): Return flag, allocation is signed.
8714
8715 2004-07-08  Richard Henderson  <rth@redhat.com>
8716
8717         * tree-ssa-ccp.c (fold_stmt): Get type directly from
8718         OBJ_TYPE_REF_OBJECT.
8719
8720 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
8721             Neil Booth  <neil@daikokuya.co.uk>
8722
8723         PR c/2511
8724         PR c/3325
8725         * c-decl.c (finish_struct): Ensure bit-fields are given the
8726         correct type.
8727         * c-common.c (c_common_signed_or_unsigned_type): For C, require
8728         the precision to match as well as the mode.
8729         * expr.c (reduce_to_bit_field_precision): New function.
8730         (expand_expr_real_1): Reduce expressions of bit-field type to
8731         proper precision.
8732         * langhooks.h (reduce_bit_field_operations): New hook.
8733         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
8734         Define.
8735         * c-lang.c, objc/objc-lang.c
8736         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
8737         * objc/objc-act.c (check_ivars): Convert types to bit-field types
8738         before checking.
8739         * tree.c (build_nonstandard_integer_type): New function.
8740         * tree.h (build_nonstandard_integer_type): New prototype.
8741         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
8742         conversions between integer and boolean types as useless.
8743
8744 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8745
8746         * c-common.c (c_common_nodes_and_builtins): Do not
8747         create __builtin_ptrdiff_t and __builtin_size_t.
8748
8749 2004-07-08  Andrew Pinski  <apinski@apple.com>
8750
8751         * Makefile.in (libbackend.o): Add -combine to the gcc
8752         command line.
8753
8754 2004-07-08  Nick Clifton  <nickc@redhat.com>
8755
8756         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
8757         Set to -Os.
8758
8759 2004-07-08  Richard Henderson  <rth@redhat.com>
8760
8761         * except.c (expand_eh_region_start, expand_eh_region_end,
8762         expand_eh_handler, expand_eh_region_end_cleanup,
8763         expand_start_all_catch, expand_start_catch, expand_end_catch,
8764         expand_end_all_catch, expand_eh_region_end_allowed,
8765         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
8766         expand_eh_region_end_fixup): Remove.
8767         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
8768         cleanups, outer_cleanups, label_chain, exception_region.
8769         (struct goto_fixup): Remove stack_level, cleanup_list_list.
8770         (struct label_chain): Remove.
8771         (struct stmt_status): Remove x_stack_block_stack.
8772         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
8773         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
8774         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
8775         end_cleanup_deferral, last_cleanup_this_contour,
8776         containing_blocks_have_cleanups_or_stack_level,
8777         any_pending_cleanups): Remove.
8778         (expand_null_return_1): Take no arguments.
8779         (expand_label, expand_naked_return, expand_return,
8780         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
8781         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
8782         expand_end_case_type): Don't use any of them.
8783         * calls.c (expand_call): Likewise.
8784         * dojump.c (do_jump): Likewise.
8785         * function.c (expand_function_end): Likewise.
8786         * expr.c (store_expr, expand_expr_real_1): Likewise.
8787         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
8788         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
8789         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
8790         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
8791         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
8792         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
8793         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
8794         for WITH_CLEANUP_EXPR.
8795         (gimple_push_cleanup): Likewise.
8796         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
8797         * print-tree.c (print_node): Likewise.
8798         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
8799         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
8800         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
8801         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
8802         (GOTO_SUBROUTINE_EXPR): Remove.
8803         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
8804         (DECL_TOO_LATE): Remove.
8805         * except.h, tree.h: Update decls.
8806
8807 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
8808
8809         * explow.c (optimize_save_area_alloca): Do not accept parameters.
8810         * passes.c (rest_of_handle_final): Handle symout.
8811         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
8812         Push timevar here.
8813         (rest_of_handle_sched): Break out SMS.  Remove ifs for
8814         flag_schedule_insns and flag_modulo_sched.
8815         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
8816         collect at the end.
8817         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
8818         (rest_of_handle_partition_blocks, rest_of_handle_sms,
8819         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
8820         rest_of_handle_mode_switching, rest_of_handle_jump,
8821         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
8822         rest_of_handle_jump2, rest_of_handle_postreload,
8823         rest_of_handle_flow2, rest_of_clean_state,
8824         rest_of_handle_shorten_branches,
8825         rest_of_handle_prologue_epilogue,
8826         rest_of_handle_branch_target_load_optimize): New.
8827         (rest_of_compilation): Call the above.  Remove ggc_collect
8828         calls moved to rest_of_handle_*.
8829         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
8830
8831         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
8832         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
8833         * except.h (set_nothrow_function_flags): Update comment.
8834         * function.c (current_function_nothrow): Remove.
8835         * output.h (current_function_nothrow): Remove.
8836         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
8837         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
8838
8839 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8840
8841         PR bootstrap/16326
8842         * reorg.c: Revert 2004-06-30 change.
8843         (find_end_label): If HAVE_epilogue and !HAVE_return,
8844         return 0 instead of creating a label at the end of the insn chain.
8845         (optimize_skip): Account for the failure mode of find_end_label.
8846         (fill_simple_delay_slots): Likewise.
8847         (fill_slots_from_thread): Likewise.
8848         (relax_delay_slots): Likewise.
8849
8850 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
8851
8852         * tree-flow.h (addressable_vars): Declare.
8853         * tree-ssa-alias.c (addressable_vars): Define.
8854         (setup_pointers_and_addressables): Add addressable variables
8855         to addressable_vars.
8856         * tree-ssa-operands.c (get_stmt_operands): Move
8857         handling of ASM_EXPRs ...
8858         (get_asm_expr_operands): ... here.
8859         When the ASM_EXPR clobbers memory, also clobber addressable
8860         variables.
8861         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
8862         (delete_tree_ssa): Reset addressable_vars.
8863
8864 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8865             Richard Henderson  <rth@redhat.com>
8866
8867         * varasm.c (assemble_variable): Use assemble_zeros for
8868         zero-initialized variables.
8869         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
8870         for SECCAT_BSS and SECCAT_TBSS.
8871
8872 2004-07-07  Jan Beulich  <jbeulich@novell.com>
8873
8874         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
8875
8876         * expmed.c (emit_store_flag): Also special-case double-word
8877         (in-)equality comparison against -1.
8878
8879         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
8880         passing arguments the containers for which are registers.
8881
8882         * calls.c (emit_library_call_value_1): Use mode of function parameter
8883         rather than that of argument since constants have none.
8884
8885 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
8886
8887         Introduce H8SX support.
8888         * expr.c (expand_strcpy): Renamed and moved to...
8889         * builtins.c (expand_movstr): ... here.  Tweak.
8890         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
8891         computed or has side effects.
8892         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
8893         unused, or if mempcpy fails.  Adjust the return value in the
8894         latter case.  Use movstr if everything else fails.
8895         * doc/md.texi (movstr): Document.
8896         (movmemM, clrmemM): Fix explanation of memory block operands.
8897         * config/h8300/h8300.md (stpcpy): Renamed to...
8898         (movstr): ... this.  Adjust.
8899         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
8900         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
8901         movmem* and clrstr* to clrmem*.
8902         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
8903         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
8904         GENERAL_REGS, always.
8905         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
8906         getting the stack pointer as addr.
8907         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
8908         from general_operand_dst.
8909         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
8910         variant of...
8911         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
8912         instead of requiring it to match only before reload.
8913         (stpcpy_internal_normal): New, normal-mode variant of...
8914         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
8915         `D' instead of requiring it to match only before reload.
8916         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
8917         mode argument.
8918         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
8919         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
8920         h8300_get_index.
8921         * config/h8300/h8300.md (attr type): Add call.
8922         (attr can_delay): If type is call, set it no.
8923         (call, call_value): Set type to call.
8924         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
8925         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
8926         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
8927         * tree.c (get_narrower): Don't narrow integral types into
8928         non-integral types.
8929         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
8930         frame_size *before* the first use.
8931         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
8932         on input.
8933         (peephole2): Don't widen instructions that push SP.  Move
8934         decrement of SP to the end of all stm-generating peepholes.
8935         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
8936         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
8937         and OR to set it to all ones.
8938         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
8939         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
8940         (call, call_value): Set can_delay to "no".
8941         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
8942         * config/h8300/h8300.md (extzv): Make subreg check more robust.
8943         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8944         * config/h8300/h8300.md (*brabit): Remove.
8945         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
8946         zero_extract.  Use bit_memory_operand as the predicate for
8947         operand 1 and 'WU' as the constraint.  Check the difference
8948         between the base length and the final one when deciding which
8949         type of branch to use.
8950         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8951         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
8952         Use convert_move to extend the result for TARGET_H8300SX.  Check
8953         for QImode memory references.  Optimize the case where the
8954         destination is a paradoxical subreg.
8955         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8956         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
8957         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
8958         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
8959         * config/h8300/h8300.md: Include mova.md
8960         (length_table): Add mova and mova_zero.
8961         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
8962         after all constant addresses for '%R', '%X', '%T' and '%S'.
8963         (h8300_mova_length): New function.
8964         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
8965         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
8966         dependencies for s-config, etc.
8967         * config/h8300/gemova.sh: New file.
8968         * config/h8300/mova.md: Generated.
8969         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
8970         * config/h8300/h8300.c (h8300_bitfield_length): New.
8971         (nibble_operand): Adjust.
8972         (h8300_binary_length): Handle conditional binary op.
8973         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
8974         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
8975         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
8976         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
8977         constraints.  WU is introduced as a variant of U that requires a
8978         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
8979         * config/h8300/h8300.md (attr type): Added bitbranch.
8980         (attr length_table): Added bitfield and bitbranch.
8981         (attr length): Compute bitbranch length.
8982         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
8983         least-significant bit of a byte.
8984         (brabit, brabc, brabs): New.
8985         (insv, extzv): Emit bfst and bfld on H8300SX.
8986         (bfld, bfst, seq, sne): New.
8987         (bstzhireg, cmpstz, bstz, bistz): New.
8988         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
8989         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
8990         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
8991         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
8992         (h8sx_unary_memory_operator): New function.
8993         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
8994         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
8995         * config/h8300/h8300.md: Add peepholes to combine reloads and
8996         arithmetic insns.
8997         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
8998         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
8999         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
9000         (and?i, ior?i, xor?i): Likewise.
9001         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
9002         * config/h8300/h8300.c: Move enums and prototypes to head of file.
9003         Various whitespace fixes.
9004         (h8300_constant_length): New function, split out from...
9005         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
9006         (h8300_classify_operand): Use IN_RANGE.
9007         (h8300_classify_operand): Use h8300_constant_length.
9008         (h8300_short_move_mem_p): Tighten size check.
9009         (h8sx_mergeable_memrefs_p): Tighten equality check.
9010         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
9011         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
9012         for -msx.
9013         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
9014         * config/h8300/crtn.asm: Likewise.
9015         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
9016         if __H8300SX__ is defined.
9017         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
9018         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
9019         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
9020         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
9021         addresses as mode-dependent.
9022         * config/h8300/h8300.c (print_operand_address): Update call to
9023         h8300_get_index.
9024         (h8300_get_index): Take a mode argument.  Rework to fix an
9025         earlier misunderstanding.
9026         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
9027         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
9028         into a register if TARGET_H8300SX.
9029         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
9030         TARGET_H8300SX.  Also disable related define_splits.
9031         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
9032         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
9033         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
9034         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9035         * config/h8300/h8300.h (OK_FOR_Z): New macro.
9036         (EXTRA_CONSTRAINT_STR): Check it.
9037         * config/h8300/h8300.c (h8300_classify_operand): Accept null
9038         class arguments.
9039         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
9040         * config/h8300/h8300.md (length_table): Add mov_imm4.
9041         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
9042         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
9043         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
9044         be a label.
9045         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
9046         * config/h8300/h8300.c (h8300_reorg): New function.
9047         (TARGET_MACHINE_DEPENDENT_REORG): Define.
9048         * config/h8300/h8300.md (length): Subtract the length of the
9049         delay slot from (pc) when checking the range of forward branches.
9050         (delay_slot, can_delay): New attributes.
9051         (define_delay): Add bra/s handling.
9052         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
9053         (jump): Add delayed-branch handling.
9054         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
9055         * expr.c (expand_strcpy): New function.
9056         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
9057         (expand_builtin_stpcpy): Likewise.
9058         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
9059         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
9060         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
9061         handling to improve register allocation for -fno-omit-frame-pointer.
9062         (h8sx_split_movmd): Delete, moving er6 handling into...
9063         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
9064         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
9065         (movmd): Add calls to copy_rtx.
9066         (movmd_internal): In the second alternative, allow the initial and
9067         final destination registers to be different .  Update the splitter
9068         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
9069         instead of h8sx_split_movmd.
9070         (stpcpy, movsd): New expanders.
9071         (movsd_internal): New define_insn.
9072         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
9073         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
9074         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
9075         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
9076         and DESTINATION_REGS.
9077         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
9078         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
9079         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
9080         (h8300_move_ratio): Declare.
9081         (MOVE_RATIO): Use it.
9082         * config/h8300/h8300.c (h8300_move_ratio): New variable.
9083         (h8300_init_once): Initialize it.
9084         (h8300_reg_class_from_letter): New function.
9085         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
9086         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
9087         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
9088         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
9089         (movstrsi, movmd): New expanders.
9090         (movmd_internal): New insn.
9091         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
9092         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
9093         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
9094         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
9095         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
9096         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9097         * config/h8300/h8300.c (nibble_operand): Fix warning.
9098         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
9099         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
9100         (movsf_h8300h): Disable for TARGET_H8300SX.
9101         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9102         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
9103         h8300_stm_parallel and h8300_return_parallel.
9104         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
9105         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
9106         h8300_stm_parallel, h8300_return_parallel): New functions.
9107         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
9108         if TARGET_H8300SX.  Use h8300_push_pop.
9109         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
9110         and final pop when generating h8sx code.  Always emit some form
9111         of return insn.
9112         * config/h8300/h8300.md: Don't enforce register alignment in
9113         stm peepholes if TARGET_H8300SX.
9114         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
9115         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
9116         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
9117         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
9118         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
9119         (MULTILIB_DIRNAMES): Add a directory for it.
9120         (MULTILIB_MATCHES): Delete.
9121         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9122         * final.c (walk_alter_subreg): Handle addresses with subregs
9123         inside a ZERO_EXTEND or AND.
9124         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
9125         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
9126         if TARGET_H8300SX.
9127         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
9128         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
9129         @(dd,Rn.w) and @(dd,ERn.L).
9130         (h8300_displacement_size): Take the whole address as argument.
9131         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
9132         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
9133         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
9134         (h8sx_mergeable_memrefs_p): Declare.
9135         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
9136         (HAVE_PRE_INCREMENT): Likewise.
9137         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
9138         addresses for TARGET_H8300SX,
9139         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
9140         and POST_DEC.
9141         (movb_length_table, movl_length_table): New tables.
9142         (movw_length_table): Define to movb_length_table.
9143         (h8300_displacement_size): New, split out from...
9144         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
9145         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
9146         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
9147         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
9148         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
9149         (compute_plussi_length, compute_plussi_cc): Update accordingly.
9150         (h8sx_unary_shift_operator): Get the mode from the operator.
9151         (binary_shift_operator): Likewise.
9152         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
9153         a memory reference, check whether the reference is offsettable.
9154         (length_table): Add movb, movw and movl.
9155         (movqi): Add new h8sx pattern.  Don't force one operand to be a
9156         register when generating h8sx code.
9157         (movhi, movsi, movsf): Likewise.
9158         (movstrictqi): Use the length_table attribute.
9159         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
9160         (addqi3): Split into a define_expand and define_insn.  Don't accept
9161         memory operands in the expander.  Use h8300_operands_match_p to
9162         check for matching operands in the define_insn.
9163         (subqi3, negqi2, one_cmplqi2): Likewise.
9164         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
9165         in any patterns that are unused in h8sx code.  In the h8sx patterns,
9166         use h8300_operands_match_p to check whether operands match.
9167         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
9168         one_cmpl[hs]i3): Likewise.
9169         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
9170         in the expander.
9171         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
9172         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
9173         (h8300_insn_length_from_table): Add a second parameter.
9174         (output_h8sx_shift): Declare.
9175         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
9176         (EXTRA_CONSTRAINT): Replace with...
9177         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
9178         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
9179         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
9180         and h8sx_binary_shift_operator.
9181         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
9182         for TARGET_H8300SX.
9183         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
9184         (bit_memory_operand, fix_bit_operand): Likewise.
9185         (h8300_length_table_for_insn): Remove.
9186         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
9187         instructions.
9188         (h8300_short_immediate_length, h8300_binary_length): New functions.
9189         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
9190         (output_plussi): Use sub to add negative constants.
9191         (compute_plussi_length): Adjust accordingly.
9192         (h8sx_single_shift_type): New enum.
9193         (h8sx_single_shift, h8sx_unary_shift_operator,
9194         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
9195         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
9196         single h8sx instruction.  Return false in this case.
9197         * config/h8300/h8300.md (length_table): Add short_immediate.
9198         (length): Pass the operand array to h8300_insn_length_from_table.
9199         (adjust_length): Assume "no" for insns with a length_table attribute.
9200         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
9201         (*addhi3_h8300hs): Don't use for h8sx.
9202         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
9203         and sub.w #xx:3.
9204         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
9205         1's predicate to nonimmediate_operand.  Only skip default expansion
9206         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
9207         for single h8sx shift instructions.
9208         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
9209         * config/h8300/h8300.c (nibble_operand): Split out of...
9210         (reg_or_nibble_operand): ... this.
9211         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
9212         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
9213         umulhisi3): Introduce expand, and introduce separate insns for
9214         sign- or zero-extended REG and already-extended CONST_INT.
9215         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
9216         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
9217         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
9218         (subhi3): Likewise.  Don't accept immediates for operand 1.
9219         Remove the early clobber from second alternative of the h8300s pattern.
9220         (subsi3): Generalize for h8sx.  Force operand 2 into a register
9221         on plain h8300 targets.
9222         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
9223         (subsi3_h8300h): Generalize for h8sx.
9224         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
9225         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
9226         * config/h8300/h8300.c (reg_or_nibble_operand): New.
9227         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9228         (TARGET_H8300SXMUL): New.
9229         (CONST_OK_FOR_P): New.
9230         (CONST_OK_FOR_LETTER_P): Adjust.
9231         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
9232         umulhisi3): Accept 4-bit immediate on H8SX.
9233         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
9234         (udivsi3, divhi3, udivsi3, divsi3): New.
9235         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
9236         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
9237         * config/h8300/h8300.h (OK_FOR_Q): New macro.
9238         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
9239         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
9240         Add ADDRESSOF to the bit_operand entry.
9241         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
9242         (h8300_src_operand): Likewise.
9243         (bit_operand): Check nonimmediate_operand rather than general_operand.
9244         Accept any nonimmediate_operand in h8sx code.
9245         (h8300_and_costs): Initialize operands[1].
9246         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
9247         (h8300_operand_class): New enum.
9248         (h8300_length_table): New typedef.
9249         (addb_length_table, addw_length_table, addl_length_table,
9250         logicl_length_table): New tables.
9251         (logicb_length_table, logicw_length_table): New macros.
9252         (h8300_classify_operand, h8300_length_from_table,
9253         h8300_length_table_for_insn, h8300_unary_length,
9254         h8300_insn_length_from_table): New functions.
9255         (output_plussi): Only use adds and subs for register destinations.
9256         Disable redundant clause.
9257         (compute_plussi_cc): Likewise.
9258         (compute_plussi_length): Likewise.  Use h8300_length_from_table
9259         to work out the length of an insn.
9260         (output_logical_op): Only use narrower immediate instructions
9261         if the destination is a register.
9262         (compute_logical_op_cc): Likewise.
9263         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
9264         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
9265         * config/h8300/h8300.md (length_table): New attribute.
9266         (length): When an instruction has a length_table attribute, use
9267         h8300_insn_length_from_table to calculate its default length.
9268         (cmpqi): Use h8300_dst_operand for the first operand and
9269         h8300_src_operand for the second.
9270         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
9271         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
9272         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
9273         iorsi3, xorhi3, xorsi3): Likewise.
9274         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
9275         so that it allows any combination of operands for TARGET_H8300SX.
9276         (iorqi3, xorqi3): Likewise.
9277         (cmpqi): Use the length_table attribute.
9278         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
9279         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9280         (cmpqi): Add 'Q' constraint.
9281         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
9282         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
9283         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
9284         * config/h8300/h8300.h (MASK_H8300SX): New macro.
9285         (TARGET_H8300S): True for both -ms and -msx.
9286         (TARGET_H8300SX): New macro.
9287         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
9288         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
9289         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
9290         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
9291         [Temporary change.]
9292         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
9293         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
9294         16-bit pointers and 32-bit ints.
9295         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
9296         CONST_DOUBLE with mode no wider than SImode.
9297         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
9298         output operand.
9299         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
9300         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
9301         or SUBREG thereof.
9302         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
9303         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
9304         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
9305
9306 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9307
9308         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
9309
9310 2004-07-07  Per Bothner  <per@bothner.com>
9311
9312         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
9313
9314 2004-07-07  Mike Stump  <mrs@apple.com>
9315
9316         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
9317         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
9318         (machopic_finish): Likewise.
9319
9320 2004-07-07  Richard Henderson  <rth@redhat.com>
9321
9322         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
9323         through any value-preserving cast.
9324
9325 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9326
9327         * function.c (assign_parm_find_data_types): Call
9328         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
9329
9330 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9331
9332         * tree-cfg.c (group_case_labels): Remove case labels that have
9333         the same target as the default case.
9334
9335 2004-07-07  Steven Bosscher  <stevenb@suse.de>
9336
9337         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
9338         regardless of DECL_LANG_SPECIFIC being present or not.
9339         * tree.h (DECL_NUM_STMTS): Purge.
9340
9341 2004-07-07  Andrew Pinski  <apinski@apple.com>
9342
9343         * configure: Regenerate with the right autoconf.
9344
9345 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
9346
9347         * ifcvt.c (total_bb_rtx_cost): New function.
9348         (find_if_case_1): Compare rtx_cost of basic block to cost of
9349         BRANCH_COST insns.
9350         (find_if_case_2): Same.
9351
9352 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9353
9354         PR target/10567
9355         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
9356         (output_return): Likewise.
9357         (output_sibcall): Abort if !flag_delayed_branch.
9358         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
9359         (emit_and_preserve): New function.
9360         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
9361         indirect jump to the thunked-to function if !flag_delayed_branch.
9362         * config/sparc/sparc.md (delayed_branch): New attribute.
9363         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
9364         attribute to compute the length of the insn.
9365         (goto_handler_and_restore): Likewise.
9366
9367 2004-07-07  Andrew Pinski  <apinski@apple.com>
9368
9369         PR tree-optimization/15777
9370         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
9371
9372         * expr.c (expand_expr_real_1): Fix formating.
9373         BUFFER_REF and IN_EXPR are dead.
9374         * fold-const.c (non_lvalue): BUFFER_REF is dead.
9375         * tree-inline.c (estimate_num_insns_1): Likewise.
9376         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
9377         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
9378         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
9379
9380 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
9381
9382         * collect2.c (dump_file): Don't call cplus_demangle if
9383         HAVE_LD_DEMANGLE is defined.
9384         (main): Pass "--demangle" to ld if no_demangle is not 0 and
9385         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
9386         if HAVE_LD_DEMANGLE is defined.
9387
9388         * configure.ac (--with-demangler-in-ld): Added
9389         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
9390         --with-demangler-in-ld is used.
9391         * config.in: Regenerated.
9392         * configure: Likewise.
9393
9394 2004-07-07  Roger Sayle  <roger@eyesopen.com>
9395
9396         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
9397         for simple floating point operations "fp", double precision
9398         multiplication "dmul", and single and double precision division
9399         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
9400         (ppc630_cost): New table split from ppc620_cost, to distinguish
9401         differences in floating point latencies.
9402         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
9403         (rs6000_rtx_costs): Add support for single and double precision
9404         floating point addition, subtraction, multiplication, division,
9405         fused-multiply-add, fused-multiply-sub, negation, absolute value
9406         and negative absolute value.  Tweak MEM case to use prefered idiom.
9407
9408 2004-07-07  Richard Henderson  <rth@redhat.com>
9409
9410         * tree-flow-inline.h (may_propagate_copy): Move...
9411         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
9412         attempt to copy between types requiring conversion.
9413         * tree-flow.h (may_propagate_copy): Update decl.
9414         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
9415
9416 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
9417
9418         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
9419         from -mtune= option.
9420
9421 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
9422
9423         * builtins.c: Rename movstr*, except for movstrict*, to
9424         movmem* and clrstr* to clrmem*.
9425         * expr.c: Likewise.
9426         * expr.h: Likewise.
9427         * genopinit.c: Likewise.
9428         * integrate.c: Likewise.
9429         * local-alloc.c: Likewise.
9430         * optabs.c: Likewise.
9431         * optabs.h: Likewise.
9432         * config/alpha/alpha.h: Likewise.
9433         * config/alpha/alpha.md: Likewise.
9434         * config/arm/arm-protos.h: Likewise.
9435         * config/arm/arm.c: Likewise.
9436         * config/arm/arm.md: Likewise.
9437         * config/avr/avr.md: Likewise.
9438         * config/c4x/c4x.c: Likewise.
9439         * config/c4x/c4x.md: Likewise.
9440         * config/frv/frv.md: Likewise.
9441         * config/i386/i386-protos.h: Likewise.
9442         * config/i386/i386.c: Likewise.
9443         * config/i386/i386.h: Likewise.
9444         * config/i386/i386.md: Likewise.
9445         * config/i860/i860.c: Likewise.
9446         * config/i860/i860.md: Likewise.
9447         * config/ip2k/ip2k.md: Likewise.
9448         * config/ip2k/libgcc.S: Likewise.
9449         * config/ip2k/t-ip2k: Likewise.
9450         * config/m32r/m32r.c: Likewise.
9451         * config/m32r/m32r.md: Likewise.
9452         * config/mcore/mcore.md: Likewise.
9453         * config/mips/mips.c: Likewise.
9454         * config/mips/mips.md: Likewise.
9455         * config/ns32k/ns32k.c: Likewise.
9456         * config/ns32k/ns32k.h: Likewise.
9457         * config/ns32k/ns32k.md: Likewise.
9458         * config/pa/pa.c: Likewise.
9459         * config/pa/pa.md: Likewise.
9460         * config/pdp11/pdp11.h: Likewise.
9461         * config/pdp11/pdp11.md: Likewise.
9462         * config/rs6000/rs6000.c: Likewise.
9463         * config/rs6000/rs6000.md: Likewise.
9464         * config/s390/s390-protos.h: Likewise.
9465         * config/s390/s390.c: Likewise.
9466         * config/s390/s390.md: Likewise.
9467         * config/sh/lib1funcs.asm: Likewise.
9468         * config/sh/sh.c: Likewise.
9469         * config/sh/sh.md: Likewise.
9470         * config/sh/t-sh: Likewise.
9471         * config/sparc/sparc.h: Likewise.
9472         * config/vax/vax.md: Likewise.
9473         * config/xtensa/xtensa.c: Likewise.
9474         * config/xtensa/xtensa.md: Likewise.
9475         * doc/invoke.texi: Likewise.
9476         * doc/md.texi: Likewise.
9477         * doc/rtl.texi: Likewise.
9478
9479 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
9480
9481         PR target/16407
9482         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
9483         * config/mips/mips.c (mips_declare_common_object): New function,
9484         mostly split out from...
9485         (mips_output_aligned_decl_common): ...here.
9486         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
9487         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
9488         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
9489         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
9490
9491 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9492
9493         PR c/16392
9494         * function.c (assign_parms): Fix typo from previous change.
9495
9496 2004-07-07  Jason Merrill  <jason@redhat.com>
9497
9498         PR c++/15815
9499         * doc/extend.texi (C++ Interface): Correct information and
9500         discourage use.
9501
9502 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
9503
9504         PR target/16130
9505         PR target/16142
9506         PR target/16143
9507         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
9508         insn.
9509
9510 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9511
9512         PR target/1679.
9513         * config/m32r/m32r.c (m32r_function_symbol): New function:
9514         Generate a symbol name RTX with the correct m32r specific flags
9515         set.
9516         (block_move_call): Use new function to generate correct symbol.
9517         * config/m32r/m32r-protos.h: Add prototype for new funcion.
9518         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
9519         function.
9520
9521 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9522
9523         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
9524         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
9525         TYPE_BINFO_BASETYPE): Remove.
9526         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
9527         to ...
9528         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
9529         here.
9530         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
9531         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
9532         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
9533         (struct tree_binfo): Rename base_types to base_binfos.
9534         * alias.c (record_component_aliases): Adjust BINFO macros.
9535         * dbxout.c (dbxout_type): Likewise.
9536         * dwarf2out.c (gen_member_die): Likewise.
9537         * sdbout.c (sdbout_one_type): Likewise.
9538         * tree-dump.c (deque_and_dump): Likewise.
9539         * config/i386/i386.c (classify_argument,
9540         contains_128bit_aligned_vector_p): Likewise.
9541
9542 2004-07-07  Nick Clifton  <nickc@redhat.com>
9543
9544         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
9545         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
9546
9547 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
9548
9549         * vec.h: Fix the example use.
9550
9551 2004-07-06  Richard Henderson  <rth@redhat.com>
9552
9553         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
9554         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
9555         * tree-inline.c (copy_body_r, setup_one_parameter,
9556         initialize_inlined_parameters, expand_call_inline,
9557         declare_inline_vars): Don't check it.
9558         (expand_calls_inline): Remove old version, rename new version
9559         from gimple_expand_calls_inline.
9560         * tree-optimize.c (execute_gimple): Remove.
9561         (pass_gimple): Don't run anything.
9562
9563 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9564
9565         * doc/sourcebuild.texi: Use semicolons instead of commas in
9566         section title.
9567
9568 2004-07-06  Richard Henderson  <rth@redhat.com>
9569
9570         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
9571         (sra_walk_modify_expr, scan_init): Likewise.
9572         (generate_element_zero): Check visited before scanning children.
9573         (generate_element_init): Set visited on error.
9574         (scalarize_init): Handle generate_element_init failure similar
9575         to use_block_copy.
9576
9577 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
9578
9579         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
9580         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
9581
9582 2004-07-06  Richard Henderson  <rth@redhat.com>
9583
9584         * config/i386/i386.c (legitimize_pic_address): Make static.
9585         (legitimize_address): Handle CONST with TLS operand.
9586         (ix86_expand_move): Don't call legitimize_pic_address directly.
9587         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
9588
9589 2004-07-06  Roger Sayle  <roger@eyesopen.com>
9590
9591         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
9592         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
9593         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
9594         is currently executed unconditionally, i.e. not in "else_bb".
9595
9596 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9597
9598         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
9599         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9600         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
9601         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9602         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
9603         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9604         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
9605         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9606         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
9607         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9608         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
9609         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9610         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
9611         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9612         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
9613         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9614
9615 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9616
9617         * dojump.c (do_jump): REFERENCE_EXPR is dead.
9618         * expr.c (expand_expr_real_1): Ditto.
9619         * tree-inline.c (estimate_num_insns_1): Ditto.
9620         * tree-pretty-print.c (dump_generic_node): Ditto.
9621         (op_symbol): Ditto.
9622         * tree.def: Ditto.
9623
9624 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
9625
9626         * tree-ssa-pre.c (reference_node_pool): New pool.
9627         (find_or_generate_expression): Class 'r' is okay too.
9628         (create_value_expr_from): Ditto.
9629         (add_to_sets): LHS should not include vuses.
9630         (eliminate): Ditto.
9631         (compute_avail): Reverse ordering of tests.
9632         Valuize INDIRECT_REF as well.
9633
9634 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
9635
9636         PR rtl-optimization/16380
9637         * loop.c (check_dbra_loop): Sink comparison instructions if they
9638         do something other than set cc0.
9639
9640 2004-07-06  James E Wilson  <wilson@specifixinc.com>
9641
9642         * doc/interface.texi (longjmp and automatic variables): Delete
9643         paragraph recommending taking the address of a variable.
9644
9645 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9646
9647         * vec.h (VEC_embedded_alloc): Remove.
9648         (VEC_embedded_size, VEC_embedded_init): New.
9649         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
9650         MEM_STAT_INFO.
9651         (VEC_truncate): New.
9652         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
9653         (vec_embedded_alloc): Remove.
9654         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
9655         (vec_embedded_alloc): Remove.
9656
9657 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
9658
9659         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
9660         (gt-langhooks.h): Remove.
9661
9662 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
9663
9664         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
9665
9666 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
9667
9668         * config/sparc/sparc.c (get_pc_symbol): Rename into
9669         add_pc_to_pic_symbol.
9670         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
9671         (load_pic_register): Account for previous changes.
9672         Use reg_names.  Don't create the label twice.
9673         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
9674         UNSPEC_LOAD_PCREL_SYM.
9675         (get_pc): Rename into load_pcrel_sym.  Add predicate to
9676         operands.  Remove condition.
9677
9678 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
9679
9680         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
9681         RECORD, UNION & QUAL_UNION is actually a binfo.
9682
9683         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
9684         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
9685         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
9686         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
9687         * dwarf2out.c (add_data_member_location_attribute): Likewise.
9688         (gen_inheritance_die): Likewise.
9689         * tree-dump.c (deque_and_dump): Likewise.
9690         * doc/c-tree.texi (Binfos): Add under reconstruction note.
9691
9692 2004-07-06  Steven Bosscher  <stevenb@suse.de>
9693
9694         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
9695         Define.
9696         * config/mcore/mcore.md: Model memory latency with a simple DFA
9697         pipeline description instead of a define_function_unit.
9698
9699 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9700
9701         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
9702         * langhooks.h (var_mod_type_p): Likewise.
9703         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
9704         * expr.c (count_type_elements): Properly handle return from
9705         array_type_nelts and properly test for overflow.
9706         * gimplify.c (gimplify_init_constructor): Properly handle return
9707         from array_type_nelts.
9708         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
9709         * integrate.c (copy_decl_for_inlining): Correct comments.
9710         * tree-inline.c (remap_decl): Update comments, remove dead code,
9711         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
9712         (remap_type): Only remap if variably modified by vars in function
9713         being inlined.
9714         (copy_body_r): Use compatible_type langhooks to see when can fold.
9715         (setup_one_parameter): Don't remap type.
9716         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
9717         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
9718         compute TREE_INVARIANT for decl case.
9719         (find_var_from_fn): New function.
9720         (variably_modified_type_p): Add arg and call new function.
9721         * tree.h (variably_modified_type_p): Add extra arg.
9722
9723 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9724
9725         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
9726         (goto_handler_and_restore_v9): Delete disabled insn.
9727         (goto_handler_and_restore_v9_sp64): Likewise.
9728
9729 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9730
9731         * calls.c (load_register_parameters): Call expand_shift instead
9732         of expand_binop with ashl_optab (or other shift optab) directly.
9733         * expr.c (emit_group_load, emit_group_store): Likewise.
9734         * function.c (assign_parm_setup_block): Likewise.
9735         * stmt.c (shift_return_value): Likewise.
9736
9737 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
9738
9739         * expr.c (expand_assignment): Disable the bitfield += optimizations.
9740
9741 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9742
9743         * doc/sourcebuild.texi: Revert previous patch.
9744
9745 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9746
9747         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
9748         TARGET_MEM_FUNCTIONS.
9749         * system.h: Poison TARGET_MEM_FUNCTIONS.
9750         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
9751         bcmp_libfunc, bzero_libfunc): Remove.
9752         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
9753         bzero_libfunc.
9754         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
9755         * doc/standards.texi: Don't mention calling BSD string functions.
9756         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
9757         * config/vax/t-memfuncs: New.
9758         * config/memcmp.c, config/memcpy.c, config/memmove.c,
9759         config/memset.c: New.
9760         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
9761         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
9762         vax/t-memfuncs.
9763         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
9764         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
9765         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
9766         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
9767         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
9768         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
9769         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
9770         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
9771         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
9772         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
9773
9774 2004-07-05  Richard Henderson  <rth@redhat.com>
9775
9776         * function.c (assign_parm_setup_reg): Properly rename variables in
9777         FUNCTION_ARG_CALLEE_COPIES section.
9778
9779 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9780
9781         * tree-mudflap.c: Include cgraph.h.
9782         (mf_init_extern_trees): Rename to mudflap_init.  Export.
9783         Rewrite to create synthetic declarations instead of looking
9784         up declarations from mf-runtime.h.
9785         (mf_make_builtin, mf_make_cache_struct_type): New functions.
9786         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
9787         Correct commentary.
9788         (execute_mudflap_function_decls, mudflap_register_call):
9789         Don't call mf_init_extern_trees.
9790         (mudflap_finish_file): Use cgraph_build_static_cdtor.
9791
9792         * tree-mudflap.h: Update prototypes.
9793         * c-mudflap.c: Delete file.
9794         * c-common.c: Include tree-mudflap.h.
9795         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
9796         * Makefile.in: Remove all references to c-mudflap.o.
9797         Update dependencies.
9798
9799 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9800
9801         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
9802         displacements with the spatial-locality cache-control completer.
9803
9804 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
9805
9806         * langhooks.c: Don't include gt-langhooks.h.
9807         (var_labelno): Delete.
9808         (lhd_set_decl_assembler_name): Do not append a distinguishing
9809         number to file-scope internal-linkage declarations for the first
9810         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
9811         the declaration itself (if at block scope), or its containing
9812         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
9813         number.
9814
9815         * opts.c (cur_in_fname): New global.
9816         * opts.h: Declare it.
9817         * tree.c: Include opts.h.
9818         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
9819         DECL_UID equal to cur_in_fname.
9820         (copy_node_stat): Do not change DECL_UID when copying a
9821         TRANSLATION_UNIT_DECL.
9822         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
9823         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
9824
9825         * c-decl.c (c_static_assembler_name): Delete.
9826         * c-tree.h (c_static_assembler_name): Delete prototype.
9827         * c-lang.c, objc/objc-lang.c: Don't override
9828         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
9829
9830         * Makefile.in (tree.o): Update dependencies.
9831         (GTFILES): Remove langhooks.c.
9832
9833 2004-07-05  Roger Sayle  <roger@eyesopen.com>
9834
9835         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
9836         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
9837         Normalize "X % C" as "X % -C" for signed modulus and negative C.
9838         Optimize "X % -Y" as "X % Y" for signed modulus.
9839         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
9840         into "((unsigned) X % Y) == 0".
9841
9842 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9843
9844         * sourcebuild.texi (Config Fragments): Use @comma{} in
9845         cross-reference to section title.
9846
9847 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9848
9849         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
9850         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
9851         (gimplify_target_expr, gimplify_expr): Likewise.
9852         (copy_if_shared_r): No longer need special case for BIND_EXPR.
9853         (unshare_body, unvisit_body): Only look at nested if BODY_P is
9854         whole function.
9855         (gimplify_compound_lval): See if we can strip any useless conversion.
9856         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
9857         from RHS, not LHS.
9858         (gimplify_modify_expr_to_memset): Likewise.
9859         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
9860         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
9861         (declare_inline_vars): Likewise.
9862         (walk_type_fields): New function.
9863         (walk_tree): Use it.
9864         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
9865
9866         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
9867         (sra_walk_modify_expr): Allow init function to fail.
9868         (scan_init): Now returns bool.
9869         (generate_element_init): If can't understand INIT, return false.
9870         (scalarize_init): Return false if generate_element_init does.
9871
9872         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
9873         print bounds.
9874
9875         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
9876         bounds if bounds aren't constant.
9877
9878         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
9879
9880         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
9881         to type hooks; remove bogus PARAMS.
9882
9883 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
9884
9885         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
9886         * dwarf2out.c (add_data_member_location_attribute): Check for
9887         TREE_BINFO.
9888         * tree.c (tree_node_kinds): Add "binfos".
9889         (binfo_lang_slots): New.
9890         (make_node_stat): Add TREE_BINFO.
9891         (make_tree_binfo_stat): New.
9892         (tree_node_structure): Add TREE_BINFO.
9893         * tree.def (TREE_BINFO): New.
9894         * tree.h (REC_OR_UNION_CHECK): Rename to ...
9895         (RECORD_OR_UNION_CHECK): ... here.
9896         (NOT_RECORD_OR_UNION_CHECK): New.
9897         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
9898         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
9899         RECORD_OR_UNION_CHECK.
9900         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
9901         (TYPE_LANG_SLOT_1): New.
9902         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
9903         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
9904         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
9905         (BINFO_ELTS): Remove.
9906         (BINFO_LANG_SLOT): New.
9907         (struct tree_binfo): New.
9908         (binfo_lang_slots): Declare.
9909         (enum tree_node_structure_enum): Add TS_BINFO.
9910         (union tree_node): Add binfo.
9911         (make_tree_binfo_stat): Declare.
9912         (make_tree_binfo): New.
9913         (enum tree_node_kind): Add binfo_kind.
9914
9915         * objc/objc-act.c (start_class, objc_declare_protocols,
9916         start_protocols): Use TYPE_LANG_SLOT_1.
9917         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
9918         to ...
9919         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
9920         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
9921         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
9922         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
9923
9924 2004-07-05  Steven Bosscher  <stevenb@suse.de>
9925
9926         * rtl.h (struct rtx_def): Remove the integrated flag.
9927         Use the return_val flag for MEM_SCALAR_P.
9928         Reshuffle and update flags in CLEAR_RTX_FLAGS.
9929
9930 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
9931
9932         PR target/16357
9933         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
9934         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
9935         move_by_pieces.
9936
9937 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
9938
9939         * var-tracking.c: Fix some comments.
9940         (frame_stack_adjust): New.
9941         (vt_stack_adjustments): Init stack_adjust of entry block to
9942         minus stack adjustment of function prologue.
9943         (adjust_stack_reference): Do not adjust if adjustment == 0.
9944         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
9945         (emit_notes_in_bb): Likewise.
9946         (vt_add_function_parameters): Do not adjust locations of
9947         function arguments.
9948         (vt_initialize): Compute the stack adjustment of function
9949         prologue and offset the initial "location" of frame_base_decl
9950         from the stack pointer after prologue.
9951
9952 2004-07-04  Richard Henderson  <rth@redhat.com>
9953
9954         * function.c (struct assign_parm_data_all): New.
9955         (struct assign_parm_data_one): New.
9956         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
9957         assign_parm_find_data_types, assign_parms_setup_varargs,
9958         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
9959         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
9960         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
9961         assign_parm_setup_block, assign_parm_setup_reg,
9962         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
9963         (assign_parms): ... here.
9964
9965 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
9966
9967         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
9968         now are bitmap_set_t's.
9969         (bitmap_insert_into_set): No point in inserting the value if
9970         it's invariant.
9971         (bitmap_set_contains): New function.
9972         (bitmap_set_replace_value): Add comment on why we do it
9973         this way.
9974         (set_contains): Removed.
9975         (bitmap_set_subtract_from_value_set): New name of
9976         set_subtract now that it's arguments are two different
9977         types of sets.
9978         Update callers.
9979         (bitmap_find_leader): Change algorithm used.
9980         (find_or_generate_expression): Update use of functions for new
9981         bitmap sets.
9982         (create_expression_by_pieces): Ditto.
9983         (insert_aux): Ditto.
9984         (insert): Ditto.
9985         (add_to_sets): Ditto.
9986         (init_pre): Ditto.
9987         (execute_pre): Ditto.
9988         (compute_avail): Ditto.
9989         Also ignore virtual phis.
9990
9991 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
9992
9993         * combine.c (simplify_comparison): Fix comment typo.
9994
9995 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9996
9997         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
9998         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
9999         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
10000         (output_restore): Change parameter from 'insn' to 'pat'.
10001         (output_return): Adjust call to output_restore.
10002         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
10003         Adjust call to output_restore.
10004
10005 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10006
10007         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
10008         and assert system is bsd.
10009
10010 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
10011
10012         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
10013         (TARGET_SWITCHES): Remove -mdebugc.
10014         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
10015         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
10016         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
10017         (sle_[sd]i_reg): Delete.
10018
10019 2004-07-04  Steven Bosscher  <stevenb@suse.de>
10020
10021         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
10022         Define.
10023         * config/iq2000/iq2000.md: Translate old pipeline description to an
10024         equivalent new one.
10025
10026 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10027
10028         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
10029         Ensure the replacement rhs is valid gimple before performing
10030         the substitution.  Return false if these sanity checks fail.
10031         (fold_stmt): Only set changed to true, if set_rhs returns true.
10032         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
10033         succeeds.
10034
10035 2004-07-04  Richard Henderson  <rth@redhat.com>
10036
10037         PR c/16348
10038         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
10039
10040 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
10041
10042         * configure.ac (ranlib_flags): New variable.
10043         * Makefile.in (RANLIB_FLAGS): New variable.
10044         (libbackend.a): Use it.
10045         * configure: Regenerated.
10046
10047 2004-07-04  Roger Sayle  <roger@eyesopen.com>
10048
10049         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
10050         a "sign mask" instead of using ashr_optab directly.
10051
10052 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
10053
10054         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
10055         * doc/cppopts.texi: Clarify processing of command-line defines.
10056
10057 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
10058
10059         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
10060
10061 2004-07-04  Richard Henderson  <rth@redhat.com>
10062
10063         * rtl.def (ADDRESSOF): Remove.
10064         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
10065         (find_base_term, memrefs_conflict_p): Likewise.
10066         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
10067         (fold_rtx, cse_insn, set_live_p): Likewise.
10068         * dwarf2out.c (mem_loc_descriptor): Likewise.
10069         (add_location_or_const_value_attribute): Likewise.
10070         * emit-rtl.c (copy_insn_1): Likewise.
10071         * explow.c (memory_address): Likewise.
10072         * expmed.c (store_split_bit_field): Likewise.
10073         * expr.c (expand_expr_real_1): Likewise.
10074         * function.c (instantiate_decl
10075         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
10076         * genrecog.c (preds, validate_pattern): Likewise.
10077         * integrate.c (copy_rtx_and_substitute): Likewise.
10078         * recog.c (general_operand, register_operand): Likewise.
10079         (memory_address_p): Likwise.
10080         * reload1.c (eliminate_regs, elimination_effects): Likewise.
10081         * rtl.c (copy_rtx): Likewise.
10082         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
10083         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
10084         * rtlhooks.c (gen_lowpart_general): Likewise.
10085         * stmt.c (expand_asm_operands): Likewise.
10086         * web.c (entry_register, replace_ref, web_main): Likewise.
10087         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
10088         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10089         * config/arm/arm.c (thumb_rtx_costs): Likewise.
10090         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
10091         * config/frv/frv.c (move_destination_operand, move_source_operand,
10092         condexec_dest_operand, condexec_source_operand,
10093         condexec_memory_operand): Likewise.
10094         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
10095         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
10096         (destination_xfmode_operand): Likewise.
10097         * config/mips/mips.h (PREDICATE_CODES): Likewise.
10098         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
10099         * config/s390/s390.c (general_s_operand): Likewise.
10100         * config/s390/s390.md (mov*): Likewise.
10101         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
10102
10103         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
10104         * expr.c (expand_expr_real_1): Likewise.
10105         * stmt.c (expand_decl): Likewise.
10106         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
10107
10108         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
10109         postponed_insns, put_var_into_stack, put_reg_into_stack,
10110         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
10111         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
10112         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
10113         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
10114         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
10115         purge_bitfield_addressof_replacements, purge_addressof_replacements,
10116         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
10117         struct insns_for_mem_walk_info, insns_for_mem_walk,
10118         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
10119         setjmp_protect_args): Remove.
10120         (push_function_context_to): Don't handle var_refs_queue.
10121         (pop_function_context_from, free_after_compilation): Likewise.
10122         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
10123         (assign_parms, allocate_struct_function): Likewise.
10124         (use_register_for_decl): New.
10125         (expand_function_end): Don't setjmp_protect.
10126         * function.h (struct emit_status): Update commentary.
10127         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
10128         (max_parm_reg, parm_reg_stack_loc): Remove.
10129         * passes.c (DFI_addressof): Remove.
10130         (dump_file_info): Remove addressof.
10131         (rest_of_handle_addressof): Remove.
10132         (rest_of_compilation): Don't call it.
10133         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
10134         * stmt.c (expand_decl): Use use_register_for_decl.
10135         * tree.h: Update decls.
10136         * web.c (mark_addressof): Remove.
10137         * doc/invoke.texi (-dF): Remove.
10138
10139 2004-07-03  Richard Henderson  <rth@redhat.com>
10140
10141         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
10142         instead of gen_mem_addressof.
10143         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
10144         TImode output register.
10145
10146 2004-07-03  Richard Henderson  <rth@redhat.com>
10147
10148         PR tree-optimization/16341
10149         * tree-sra.c (sra_walk_function): Increment to next stmt before
10150         processing the current stmt.
10151         (sra_insert_after): Always use BSI_SAME_STMT.
10152
10153 2004-07-03  Richard Henderson  <rth@redhat.com>
10154
10155         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
10156         fp plus with minus.
10157
10158 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10159
10160         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
10161         with tree_int_cst_equal.
10162
10163 2004-07-03  Andreas Schwab  <schwab@suse.de>
10164
10165         * config/ia64/ia64.md: Define new attribute "empty".
10166         (prologue_use, nop_x, insn_group_barrier): Set it.
10167
10168         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
10169         skip over "empty" insns.
10170
10171 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10172
10173         * tree-inline.c (initialize_inlined_parameters): Pass proper function
10174         context to gimplify_body.
10175         (walk_tree): Don't walk into types twice.
10176         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
10177
10178         * tree-sra.c (generate_element_init): Remove any useless conversions.
10179
10180         * gimplify.c (gimplify_conversion): Remove stripping useless
10181         conversions from here.
10182         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
10183         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
10184         Unshare before substituting PLACEHOLDER_EXPR.
10185         (gimplify_modify_expr_to_memset): Likewise.
10186         Pass address of TO to memset, not TO itself.
10187         (gimplify_init_constructor): Make copy of OBJECT so we have it each
10188         time we make an expression (to match a PLACEHOLDER_EXPR).
10189
10190         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
10191         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
10192         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
10193         * tree-ssa-dom.c (local_fold): Likewise.
10194
10195         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
10196         * langhooks.h (strct lang_hooks): New field type_max_size.
10197         * function.c (assign_temp): Call it.
10198
10199 2004-07-03  Steven Bosscher  <stevenb@suse.de>
10200
10201         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
10202         * config/sh/sh.md: Convert the SH1 pipeline description to
10203         a DFA model.
10204
10205 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
10206
10207         * c-decl.c (struct c_binding): Remove contour field; add
10208         depth, invisible, nested fields.
10209         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
10210         (B_IN_EXTERNAL_SCOPE): New convenience macros.
10211         (bind): Add invisible and nested arguments. Initialize
10212         new fields of struct c_binding; adjust loop scanning for
10213         insertion point.
10214         (free_binding_and_advance): Clear structure with memset.
10215         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
10216         in file scope, even if it's in external scope too.
10217         (pushdecl): Adjust to match.  Create invisible file-scope
10218         declarations for block-scope forward declarations of static functions.
10219         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
10220         (undeclared_variable, lookup_label, declare_label, define_label)
10221         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
10222         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
10223         (store_parm_decls_oldstyle): Adjust to match.
10224         (diagnose_mismatched_decls): Correct handling of linkage clashes.
10225         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
10226
10227         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
10228         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
10229
10230 2004-07-02  Richard Henderson  <rth@redhat.com>
10231
10232         * c-decl.c (grokdeclarator): Don't frob current_function_decl
10233         around variable_size.
10234         (set_decl_nonlocal): Remove.
10235         (store_parm_decls): Add stmts for pending sizes.
10236         * calls.c (calls_function, calls_function_1): Remove.
10237         (precompute_arguments): Don't call it.
10238         * cfgexpand.c (set_save_expr_context): Remove.
10239         (tree_expand_cfg): Don't call it.
10240         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
10241         (dwarf2out_finish): Likewise.
10242         * expr.c (emit_block_move): Adjust addresses to BLKmode.
10243         (store_constructor): Don't pre-evaluate SAVE_EXPR.
10244         (safe_from_p): Don't queue SAVE_EXPRs.
10245         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
10246         or build plain VAR_DECLs.
10247         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
10248         (fold): Likewise.
10249         (fold_checksum_tree): Don't special-case SAVE_EXPR.
10250         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
10251         (put_var_into_stack): Don't handle SAVE_EXPR.
10252         (gen_mem_addressof): Likewise.
10253         * function.h (struct function): Remove x_save_expr_regs.
10254         (save_expr_regs): Remove.
10255         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
10256         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
10257         * stor-layout.c (variable_size): Don't set it.
10258         (force_type_save_exprs, force_type_save_exprs_1): Remove.
10259         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
10260         all callers.  Don't set SAVE_EXPR_CONTEXT.
10261         * tree-inline.h (remap_save_expr): Update decl.
10262         * tree.c (save_expr): Update build size.
10263         (first_rtl_op): Don't handle SAVE_EXPR.
10264         (unsave_expr_1, contains_placeholder_p): Likewise.
10265         (decl_function_context): Likewise.
10266         * tree.def (SAVE_EXPR): Remove args 1 and 2.
10267         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
10268         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
10269
10270 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10271
10272         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
10273         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
10274         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
10275         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
10276         some first-person references and patronizing comments.  Based on
10277         printed manual.
10278         * doc/invoke.texi: Don't reference fortran@gnu.org.
10279         * doc/trouble.texi (Warning when a non-void function value is
10280         ignored): Rewrite.  From Russ Allbery and Chris Devers.
10281
10282 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
10283
10284         * tree-ssa-pre.c (bitmap_set_t): New.
10285         (bb_value_sets): avail_out is now a bitmap_set_t.
10286         (bitmap_find_leader): New function.
10287         (bitmap_value_insert_into_set): Ditto.
10288         (bitmap_set_copy): Ditto.
10289         (bitmap_value_replace_in_set): Ditto.
10290         (bitmap_set_contains_value): Ditto.
10291         (bitmap_set_new): Ditto.
10292         (bitmap_set_pool): New pool.
10293         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
10294         (insert_aux): Ditto.
10295         (add_to_sets): Ditto.
10296         (compute_avail): Ditto
10297         (eliminate): Ditto.
10298         (init_pre): Ditto.
10299         (fini_pre): Ditto.
10300         (execute_pre): Ditto.
10301
10302 2004-07-02  Roger Sayle  <roger@eyesopen.com>
10303
10304         * config/rs6000/rs6000.c (struct processor_costs): New structure
10305         used to hold instruction latencies/sizes for processor types.
10306         (rs6000_cost): New global variable pointing to current CPU's costs.
10307         (rs6000_override_options): Initialize rs6000_cost to point to the
10308         appropriate cost table based upon rs6000_cpu and optimize_size.
10309         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
10310         timings inline.
10311
10312 2004-07-02  Richard Henderson  <rth@redhat.com>
10313
10314         * expmed.c (make_tree): Don't use SET_DECL_RTL.
10315
10316 2004-07-02  Steven Bosscher  <stevenb@suse.de>
10317
10318         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
10319
10320 2004-07-01  Richard Henderson  <rth@redhat.com>
10321
10322         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
10323         (alpha_gp_save_rtx): Use assign_stack_local instead of
10324         gen_mem_addressof.
10325
10326 2004-07-01  Richard Henderson  <rth@redhat.com>
10327
10328         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
10329         (alpha_rtx_cost_data): Update to match.
10330         (alpha_rtx_cost_size): New.
10331         (alpha_rtx_costs): Honor optimize_size.
10332
10333 2004-07-01  Richard Henderson  <rth@redhat.com>
10334
10335         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
10336         * cfgexpand.c (tree_expand_cfg): Do it here.
10337         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
10338         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
10339         * config/mips/mips.c (mips_output_mi_thunk): And here.
10340         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
10341         * config/sh/sh.c (sh_output_mi_thunk): And here.
10342         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
10343
10344 2004-07-01  Richard Henderson  <rth@redhat.com>
10345
10346         * tree.def (RTL_EXPR): Remove.
10347         * c-typeck.c (lvalue_p): Don't handle it.
10348         * expr.c (safe_from_p): Likewise.
10349         (expand_expr_real_1): Likewise.
10350         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
10351         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
10352         * gengtype.c (adjust_field_tree_exp): Likewise.
10353         * stmt.c (warn_if_unused_value): Likewise.
10354         * tree-gimple.c (recalculate_side_effects): Likewise.
10355         * tree-pretty-print.c (dump_generic_node): Likewise.
10356         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
10357         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
10358         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
10359
10360         * stmt.c (struct stmt_status): Remove x_last_expr_type,
10361         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
10362         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
10363         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
10364         all the bits that tracked last_expr.
10365         (expand_end_bindings): Don't track last_expr.
10366         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
10367         (clear_last_expr): Remove.
10368         (expand_asm): Don't call it.
10369         (expand_asm_operands, expand_end_cond): Likewise.
10370         (expand_naked_return, expand_null_return_1): Likewise.
10371         * c-typeck.c (c_begin_compound_stmt): Likewise.
10372         * cfgexpand.c (expand_block): Use expand_expr_stmt.
10373         * expr.c (expand_expr_real_1): Likewise.
10374         * tree.h: Update prototypes.
10375
10376         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
10377         (struct emit_status): Remove sequence_rtl_expr.
10378         (struct function): Remove x_rtl_expr_chain.
10379         (seq_rtl_expr, rtl_expr_chain): Remove.
10380         * function.c (struct temp_slot): Remove rtl_expr.
10381         (assign_stack_temp_for_type): Don't set it.
10382         (free_temp_slots, pop_temp_slots): Don't check it.
10383         (free_after_compilation): Don't clear x_rtl_expr_chain.
10384         (fixup_var_refs): Don't search it.
10385         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
10386         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
10387         or seq_rtl_expr.
10388         (push_topmost_sequence): Likewise.
10389         (end_sequence, init_emit): Likewise.
10390         (start_sequence_for_rtl_expr): Remove.
10391         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
10392         * rtl.h (preserve_rtl_expr_result): Remove.
10393
10394 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
10395
10396         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
10397         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
10398         typos.
10399
10400 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10401
10402         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
10403         (STANDARD_STARTFILE_PREFIX_2): Define.
10404         (standard_startfile_prefix_1): Initialize to
10405         STANDARD_STARTFILE_PREFIX_1.
10406         (standard_startfile_prefix_2): Initialize to
10407         STANDARD_STARTFILE_PREFIX_2.
10408         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
10409         (STANDARD_STARTFILE_PREFIX_1): Define.
10410         (STANDARD_STARTFILE_PREFIX_2): Define.
10411         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
10412         (STANDARD_STARTFILE_PREFIX_2): Document.
10413
10414 2004-07-01  Richard Henderson  <rth@redhat.com>
10415
10416         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
10417         in order to disable scalarization.  Instead set a flag and wait
10418         for a candidate decl.
10419
10420 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10421
10422         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
10423         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
10424         Use terminology "testsuite" and "enumerated".
10425
10426 2004-07-01  Richard Henderson  <rth@redhat.com>
10427
10428         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
10429         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
10430         (initial_return_save): Likewise.
10431         (flush_queued_reg_saves): Remap register numbers.
10432         (dwarf2out_return_reg): Likewise.
10433
10434 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10435
10436         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
10437
10438         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
10439         access functions for lower bound and element size and only output
10440         if lower bound nonzero or element size not same as that of type.
10441         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
10442
10443 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10444
10445         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
10446
10447 2004-07-01  Per Bothner  <per@bothner.com>
10448
10449         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
10450
10451 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
10452
10453         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
10454         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
10455         first operand.  Don't optimize if the bitfield is volatile.
10456
10457 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10458
10459         * c-pretty-print.c (pp_c_postfix_expression): Handle
10460         floating-point comparison operators.
10461         (pp_c_expression): Pass floating-point comparison
10462         operators to pp_c_postfix_expression.
10463
10464 2004-07-01  Roger Sayle  <roger@eyesopen.com>
10465
10466         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
10467         rtx_cost instead of "had_mult" to determine whether the transformed
10468         expression is cheaper than the original.
10469
10470 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
10471
10472         * alias.c (get_alias_set, canon_rtx, get_addr,
10473         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
10474         Use MEM_P.
10475         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
10476         expand_builtin): Likewise.
10477         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
10478         Likewise.
10479         * combine.c (can_combine_p, combinable_i3pat, try_combine,
10480         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
10481         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
10482         record_dead_and_set_regs_1, get_last_value_validate,
10483         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
10484         * cse.c (check_dependence, canon_hash, equiv_constant,
10485         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
10486         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
10487         count_reg_usage): Likewise.
10488         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
10489         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
10490         cselib_record_sets): Likewise.
10491         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
10492         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
10493         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
10494         * df.c (df_uses_record): Likewise.
10495         * dojump (do_jump): Likewise.
10496         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
10497         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
10498         decl_start_label): Likewise.
10499         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
10500         operand_subword, change_address_1, make_safe_from): Likewise.
10501         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
10502         stabilize, force_not_mem): Likewise.
10503         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
10504         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
10505         * expr.c (convert_move, convert_modes, emit_block_move,
10506         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
10507         emit_move_insn_1, expand_assignment, store_expr,
10508         store_constructor_field, store_constructor, store_field,
10509         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
10510         Likewise.
10511         * final.c (cleanup_subreg_operands, alter_subreg,
10512         get_mem_expr_from_op): Likewise.
10513         * flow.c (notice_stack_pointer_modification_1,
10514         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
10515         Likewise.
10516         * function.c (mark_temp_addr_taken, preserve_temp_slots,
10517         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
10518         optimize_bit_field, flush_addressof, purge_addressof_1,
10519         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
10520         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
10521         keep_stack_depressed): Likewise.
10522         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
10523         noce_process_if_block, find_memory): Likewise.
10524         * integrate.c (subst_constants, allocate_initial_values): Likewise.
10525         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
10526         update_equiv_regs): Likewise.
10527         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
10528         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
10529         * optabs.c (expand_abs, emit_unop_insn): Likewise.
10530         * passes.c (rest_of_handle_final): Likewise.
10531         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
10532         move2add_note_store): Likewise.
10533         * ra-build.c (detect_remat_webs): Likewise.
10534         * ra-debug.c (dump_static_insn_cost): Likewise.
10535         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
10536         * recog.c (validate_change, apply_change_group, cancel_changes,
10537         validate_replace_rtx_1, general_operand, register_operand,
10538         nonmemory_operand, push_operand, pop_operand, memory_operand,
10539         indirect_operand, asm_operand_ok, offsettable_memref_p,
10540         offsettable_nonstrict_memref_p, constrain_operands,
10541         store_data_bypass_p): Likewise.
10542         * reg-stack.c (subst_stack_regs_pat): Likewise.
10543         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
10544         copy_cost, reg_scan_mark_refs): Likewise.
10545         * regmove.c (optimize_reg_copy_3, stack_memref_p,
10546         combine_stack_adjustments_for_block): Likewise.
10547         * regrename.c (copyprop_hardreg_forward_1): Likewise.
10548         * reload.c (can_reload_into, push_reload, decompose, immune_p,
10549         find_reloads, find_reloads_address, find_reloads_address_1,
10550         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
10551         find_equiv_reg): Likewise.
10552         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
10553         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
10554         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
10555         delete_address_reloads): Likewise.
10556         * resource.c (mark_referenced_resources): Likewise.
10557         * rtlanal.c (get_jump_table_offset, count_occurrences,
10558         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
10559         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
10560         num_sign_bit_copies1): Likewise.
10561         * rtlhooks.c (gen_lowpart_general): Likewise.
10562         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
10563         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
10564         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
10565         sdbout_global_decl): Likewise.
10566         * simplify-rtx.c (simplify_subreg): Likewise.
10567         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
10568         expand_anon_union_decl, expand_end_case_type): Likewise.
10569         * unroll.c (calculate_giv_inc): Likewise.
10570         * var-tracking.c (stack_adjust_offset_pre_post,
10571         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
10572         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
10573         vt_add_function_parameters): Likewise.
10574         * varasm.c (make_var_volatile, notice_global_symbol,
10575         assemble_external, decode_addr_const, mark_weak,
10576         default_encode_section_info): Likewise.
10577
10578 2004-07-01  Steven Bosscher  <stevenb@suse.de>
10579
10580         * stmt.c (check_seenlabel): Remove.
10581         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
10582
10583 2004-07-01  Richard Henderson  <rth@redhat.com>
10584
10585         * function.h (struct function): Remove x_function_call_count.
10586         (function_call_count): Remove.
10587         * calls.c (expand_call): Don't set it.
10588         * integrate.c (copy_rtx_and_substitute): Likewise.
10589
10590         * function.h (struct function): Remove x_cleanup_label.
10591         (cleanup_label): Remove.
10592         * stmt.c (expand_value_return): Don't use it.
10593         * function.c (free_after_compilation): Don't set it.
10594         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
10595         * cfgexpand.c (tree_expand_cfg): Update call.
10596         * tree.h (expand_function_start): Update decl.
10597
10598 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
10599
10600         PR c/1027
10601         * c-lang.c (c_initialize_diagnostics): Move from here ...
10602         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
10603         (c_tree_printer): Use pretty-printer to format %T.
10604         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
10605         before '*' if not C++.
10606         (pp_c_direct_abstract_declarator): Don't try to print array upper
10607         bound for flexible array members.
10608         * c-tree.h: Include "diagnostic.h".
10609         (c_initialize_diagnostics): Declare.
10610         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
10611         * c-format.c (format_type_warning): New function.  Improve
10612         diagnostics for incorrect format argument types.
10613         (check_format_types): Use it.  Add two parameters.  Use the
10614         TYPE_MAIN_VARIANT of wanted_type.
10615         (check_format_info_main): Pass new parameters to
10616         check_format_types.
10617         (struct format_wanted_type): Update comment.
10618
10619 2004-07-01  Nick Clifton  <nickc@redhat.com>
10620
10621         * target.h (struct gcc_target): Add new field to struct cxx:
10622         import_export_class.
10623         * target-def.h (TARGET_CXX): Initialise the new field.
10624         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
10625         the new field.
10626         * doc/tm.texi: Document the new target hook.
10627
10628 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10629
10630         * builtins.c (fold_builtin_classify): Fix typo.
10631
10632 2004-07-01  Richard Henderson  <rth@redhat.com>
10633
10634         * function.c (identify_blocks, identify_blocks_1): Remove.
10635         * function.h (identify_blocks): Remove.
10636         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
10637
10638 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
10639
10640         * builtins.c (fold_builtin_classify): New.
10641         (fold_builtin_unordered_cmp): Fix commentary.
10642         (fold_builtin): Use it.
10643         * builtins.def: Define builtins for isnan,
10644         isnanf, isnanl, finite, finitef, finitel,
10645         isinf, isinff, isinfl.
10646
10647 2004-07-01  Richard Henderson  <rth@redhat.com>
10648
10649         * function.h (struct function): Remove dont_emit_block_notes.
10650         * gimple-low.c (lower_function_body): Don't set it.
10651         * cfgexpand.c (expand_block): Don't check it.
10652         * cfglayout.c (insn_locators_initialize): Likewise.
10653         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
10654         * passes.c (rest_of_compilation): Likewise.
10655         * stmt.c (expand_start_bindings_and_block): Likewise.
10656         (expand_end_bindings): Likewise.
10657
10658 2004-07-01  Richard Henderson  <rth@redhat.com>
10659
10660         * cgraph.h (cgraph_build_static_cdtor): Declare.
10661         * cgraphunit.c (cgraph_build_static_cdtor): New.
10662         * c-objc-common.c (build_cdtor): Use it.
10663         * coverage.c (create_coverage): Likewise.
10664         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
10665         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
10666
10667 See ChangeLog.11 for earlier changes.