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1 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
2
3         (This patch is part of merge of objc-improvements-branch
4         into mainline.)
5
6         * doc/frontends.texi: Mention Objective-C++ in addition to
7         Objective-C.
8         * doc/install.texi: Add 'obj-c++' to list of configurable
9         languages.
10         * doc/invoke.texi: Rename Objective-C option headings to
11         indicate they also apply to Objective-C++.  List file
12         extensions for Objective-C++ sources.  Mention that
13         ObjC and ObjC++ compilations may also use C and C++ options,
14         respectively.  Point users to doc/standards.texi for
15         further info on ObjC and ObjC++.
16         * doc/sourcebuild.texi: Mention the objcp/ directory and
17         the Objective-C++ sources it contains.
18         * doc/standards.texi: Update link to Apple ObjC site;
19         add link to gcc readings.html WWW doc.
20
21 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
22
23         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
24         and 2004-07-14 changes.
25
26 2004-08-12  Paul Brook  <paul@codesourcery.com>
27
28         * doc/invoke.texi: Fix typo.
29
30 2004-08-11 Devang Patel  <dpatel@apple.com>
31
32         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
33         and -no_dead_strip_inits_and_terms.
34         (LINK_SPEC): Same.
35         * doc/invoke.texi (Darwin Options): Document -dead_strip and
36         -no_dead_strip_inits_and_terms.
37         
38 2004-08-11  Paul Brook  <paul@codesourcery.com>
39
40         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
41         (arm_load_pic_register): ... to this.
42         * config/arm/arm.c (arm_finalize_pic): Rename ...
43         (arm_load_pic_register): ... to this.  Always output insns at the
44         current location.  Load via low reg in thumb mode.
45         (arm_expand_prologue): Call arm_load_pic_register.
46         (thumb_expand_prologue): Ditto.
47         * config/arm/arm.h (FINALIZE_PIC): Remove.
48         * config/arm/arm.md (builtin_setjmp_receiver): Call
49         arm_load_pic_register.
50
51 2004-08-11  Paul Brook  <paul@codesourcery.com>
52
53         * arm.c (thumb_force_lr_save): Add prototype.
54         (thumb_compute_save_reg_mask): New function.
55         (thumb_find_work_register): New function.
56         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
57         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
58         Don't clobber r3 when removing pretend args.
59         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
60         (thumb_output_function_prologue): Use new functions.
61         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
62         * arm.h (THUMB_REG_PUSHED_P): Remove.
63
64 2004-08-11  James E Wilson  <wilson@specifixinc.com>
65
66         PR rtl-optimization/16490
67         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
68         global_live_at_end for new basic block if already set for other blocks.
69
70 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
71
72         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
73
74         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
75         (mfcr rlwinm rlwinm patterns): Set length to 12.
76
77 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
78
79         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
80         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
81         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
82         (start_ssa_stmt_operands): Delete.
83         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new 
84         struct stmt_operands_d.
85         (build_ssa_operands): New extern entry point.
86         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand 
87         building code, replace with create_ssa_artficial_load_stmt().
88         * tree-ssa-operands.c (struct voperands_d): Delete.
89         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
90         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
91         (free_uses, free_defs, free_vuses, free_v_may_defs, 
92         free_v_must_defs): Remove dealloc parameter.
93         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
94         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
95         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
96         vector comparisons, ssa_name reuse, and allocations here.
97         (verify_start_operands): Delete.
98         (finalize_ssa_stmt_operands): Set new operands by calling finalize
99         routines.
100         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
101         (append_def, append_usei): Simplify to simple accumulation.
102         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
103         duplicates and simple accumulation.
104         (free_ssa_operands): Free vectors in a stmt_operand structure.
105         (build_ssa_operands): New. Create a new stmt_operand structure from
106         a stmt and an old set of stmt_operands.  
107         (get_stmt_operands): Simplify and call build_ssa_operands.
108         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
109         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
110         add_call_read_ops): Don't pass prev_vops around anymore.
111         (note_addressable): Return if no stmt annotation.
112         (copy_virtual_operands): Access v_may_def operands through a struct.
113         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
114         hash tables without treating the stmt as a real stmt.
115         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
116         v_may_def def and use through a struct instead of 2 array elements.
117         (struct v_may_def_optype_d): Use v_may_def_operand_type.
118         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
119
120 2004-08-11  Nick Clifton  <nickc@redhat.com>
121
122         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
123         this funciton's behaviour.  Return true when the current function
124         has a section attribute and -mlong-calls is in effect.
125         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
126         short-call marker when -mlong-calls is in effect and the function
127         has a section attribute.
128
129 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
130
131         * stmt.c (expand_return): If asked to return the RESULT_DECL,
132         just call expand_value_return on result_rtl.
133
134 2004-08-10  Richard Henderson  <rth@redhat.com>
135
136         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
137         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
138         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
139         (add_location_or_const_value_attribute): ... not here.  Use
140         loc_descriptor_from_tree if possible.
141         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
142         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
143         values specially.
144         (loc_descriptor_from_tree): New.  Update callers.
145         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
146         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
147         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
148         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
149         and BUILT_IN_STACK_RESTORE.
150         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
151         * stmt.c (expand_stack_alloc): Remove.
152         * tree-mudflap.c (mx_register_decls): Don't look for
153         BUILT_IN_STACK_ALLOC.
154         * tree-nested.c (convert_local_reference): Likewise.
155         * tree.h (DECL_VALUE_EXPR): New.
156
157 2004-08-10  Richard Henderson  <rth@redhat.com>
158
159         * stor-layout.c (round_up): Check for 0/1 before dividing.
160         (round_down): Likewise.
161
162         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
163
164 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
165
166         * config.gcc (arm*-*-eabi*): New target.
167         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
168         (TARGET_LIB_INT_CMP_BIASED): Likewise.
169         * expmed.c (expand_divmod): Try a two-valued divmod function as a
170         last resort.
171         * gthr.h: Remove bogus tokens at end of #pragma.
172         * optabs.c (expand_twoval_binop_libfunc): New function.
173         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
174         (prepare_float_lib_cmp): Try reversing the condition.
175         (debug_optab_libfuncs): New function.
176         * optabs.h (expand_twoval_binop_libfunc): Declare.
177         * config/arm/arm.c (arm_init_libfuncs): New function.
178         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
179         (TARGET_INIT_LIBFUNCS): Define it.
180         * config/arm/arm.h (TARGET_BPABI): New macro.
181         * config/arm/arm-protos.h
182         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
183         * config/arm/bpabi.S: New file.
184         * config/arm/bpabi.c: Likewise.
185         * config/arm/bpabi.h: Likewise.
186         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
187         (__aeabi_drsub): Likewise.
188         (__aeabi_dsub): Likewise.
189         (__aeabi_dadd): Likewise.
190         (__aeabi_ui2d): Likewise.
191         (__aeabi_i2d): Likewise.
192         (__aeabi_f2d): Likewise.
193         (__aeabi_dmul): Likewise.
194         (__aeabi_ddiv): Likewise.
195         (__aeabi_cdrcmple): Likewise.
196         (__aeabi_cdcmpeq): Likewise.
197         (__aeabi_cdcmple): Likewise.
198         (__aeabi_dcmpeq): Likewise.
199         (__aeabi_dcmplt): Likewise.
200         (__aeabi_dcmple): Likewise.
201         (__aeabi_dcmpge): Likewise.
202         (__aeabi_dcmpgt): Likewise.
203         (__aeabi_dcmpun): Likewise.
204         (__aeabi_d2iz): Likewise.
205         (__aeabi_d2uiz): Likewise.
206         (__aeabi_d2f): Likewise.
207         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
208         (__aeabi_frsub): Likewise.
209         (__aeabi_fsub): Likewise.
210         (__aeabi_fadd): Likewise.
211         (__aeabi_ui2f): Likewise.
212         (__aeabi_i2f): Likewise.
213         (__aeabi_fmul): Likewise.
214         (__aeabi_fdiv): Likewise.
215         (__aeabi_cfrcmple): Likewise.
216         (__aeabi_cfcmpeq): Likewise.
217         (__aeabi_cfcmple): Likewise.
218         (__aeabi_fcmpeq): Likewise.
219         (__aeabi_fcmplt): Likewise.
220         (__aeabi_fcmple): Likewise.
221         (__aeabi_fcmpge): Likewise.
222         (__aeabi_fcmpgt): Likewise.
223         (__aeabi_fcmpun): Likewise.
224         (__aeabi_f2iz): Likewise.
225         (__aeabi_f2uiz): Likewise.
226         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
227         (__aeabi_uidivmod): New function or alias.
228         (__aeabi_idivmod): Likewise.
229         (__aeabi_idiv0): Likewise.
230         (__aeabi_ldiv0): Likewise.
231         (__aeabi_llsr): Likewise.
232         (__aeabi_lasr): Likewise.
233         (__aeabi_llsl): Likewise.
234         (bpabi.S): Include it.
235         * config/arm/libgcc-bpabi.ver: New file.
236         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
237         (LINK_SPEC): Remove.
238         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
239         __aeabi_ulcmp.
240         * config/arm/t-bpabi: New file.
241         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
242         (TARGET_LIB_INT_CMP_BIASED): Likewise.
243
244 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
245
246         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
247         * config/rs6000/rs6000.md (clrmemsi): New pattern.
248         * config/rs6000/rs6000.c (expand_block_clear): New function.
249         (expand_block_move): Convert alignment to bits.  Use SImode and
250         HImode for unaligned addresses if not STRICT_ALIGNMENT.
251
252 2004-08-10  Caroline Tice  <ctice@apple.com>
253
254         * varasm.c (unlikely_section_label): New global variable.
255         (unlikely_text_section_name): New global variable.
256         (text_section):  Remove alignment statement.
257         (unlikely_text_section): Remove alignment statement; use
258         unlikely_section_label rather than hard-coded string.
259         (assemble_start_function): Initialize unlikely_section_label and
260         unlikely_text_section_name;  make sure cold section is properly
261         aligned at start of function; output unlikely_section_label if
262         appropriate.
263
264 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
265
266         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
267         * config/s390/s390.c (s390_canonicalize_comparison): New function.
268         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
269         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
270         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
271         ("*tmqi_mem"): Remove SUBREG from pattern.
272         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
273         ("*andsi3_cconly"): Likewise.
274
275 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
276
277         PR target/16909
278         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
279
280 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
281
282         * doc/sourcebuild.texi (compat testing): Document available test
283         framework commands.  Use the preferred spelling of DejaGnu.
284
285 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
286
287         * lambda.h: Add matrix type, and prototypes for remainder of
288         matrix and vector functions.
289         (lambda_vector_mult_const): New function.
290         (lambda_vector_negate): Ditto.
291         (lambda_vector_add): Ditto.
292         (lambda_vector_add_mc): Ditto.
293         (lambda_vector_copy): Ditto.
294         (lambda_vector_zerop): Ditto.
295         (lambda_vector_equal): Ditto.
296         (lambda_vector_min_nz): Ditto.
297         (lambda_vector_first_nz): Ditto.
298         (lambda_vector_matrix_mult): Ditto.
299         * lambda-mat.c: New file.
300         * Makefile.in (lambda-mat.o): New.
301
302 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
303
304         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
305         after linking stmt into the program.
306         (bsi_remove): Don't call modify_stmt.
307         * tree-complex.c (update_complex_assignment,
308         expand_complex_comparison): Call modify_stmt after changing the stmt.
309         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
310         removing the stmt.
311         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
312         the stmt, and only if needed.
313         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
314         expression.
315         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
316         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
317         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
318         (eliminate_redundant_computations): Don't pass an annotation. Call
319         modify_stmt rather than setting the annotation directly.
320         (record_equivalences_from_stmt): Remove unused local 'j'.
321         (cprop_operand): Take a stmt rather than an annotation as a parameter.
322         Call modify_stmt.
323         (cprop_into_stmt): Pass stmt rather than annotation.
324         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
325         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
326         modify_stmt.
327         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
328
329 2004-08-10  Jason Merrill  <jason@redhat.com>
330
331         PR middle-end/16948
332         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
333         the RESULT_DECL.
334
335 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
336
337         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
338         hash function.
339
340 2004-08-10  Roger Sayle  <roger@eyesopen.com>
341
342         * config/mips/mips.md: New reciprocal square root patterns that
343         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
344
345 2004-08-10  Paul Brook  <paul@codesourcery.com>
346
347         * config/arm/arm-protos.h (arm_set_return_address,
348         thumb_set_return_address): Add prototypes.
349         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
350         * config/arm/arm.c (arm_compute_func_type,
351         use_return_insn, arm_compute_save_reg0_reg12_mask,
352         arm_compute_save_reg_mask, arm_output_function_prologue,
353         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
354         current_function_calls_eh_return.
355         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
356         old eh code.
357         (arm_set_return_address, thumb_set_return_address): New functions.
358         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
359         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
360         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
361         (epilogue): Use the stackadj register.
362         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
363
364 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
365
366         PR target/3144
367         * expr.c (move_by_pieces_ninsns): Add max_size argument.
368         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
369         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
370         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
371         but using MOVE_RATIO.
372         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
373         (can_store_by_pieces): Change max_size type to unsigned int.
374         (store_by_pieces_1): Likewise.  Pass max_size to
375         move_by_pieces_ninsns.
376         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
377         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
378         to move_by_pieces_ninsns.
379         (STORE_BY_PIECES_P): Define.
380         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
381         to move_by_pieces_ninsns.
382         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
383
384         * config/i386/i386.h (CLEAR_RATIO): Define.
385
386 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
387
388         * expr.c (expand_expr_real_1): Add back code that was not dead.
389
390 2004-08-09  Andrew Pinski  <apinski@apple.com>
391
392         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
393         which is found to be compatible before returning the aliasing set.
394
395 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
396
397         * ggc-zone.c (struct alloc_zone): Add statistics counters.
398         (always_collect): New flag.
399         (ggc_alloc_zone_1): Update statistics support.  Don't include
400         overhead in allocated counter.
401         (sweep_pages): Update allocated counter for large pages.  Don'y
402         include overhead.
403         (ggc_collect_1): Always collect.
404         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
405         whether to collect.
406         (SCALE, LABEL): New macros.
407         (ggc_print_statistics): Add statistics support.
408
409 2004-08-09  Roger Sayle  <roger@eyesopen.com>
410
411         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
412         (init_expmed): Fix potential overrun problem with "all.reg".
413         (expand_sdiv2_pow2): Add an alternate implementation for signed
414         division, if the target provides a suitable conditional move insn.
415
416 2004-08-09  Paul Brook  <paul@codesourcery.com>
417         Richard Henderson  <rth@redhat.com>
418
419         * unwind-dw2.c (uw_install_context_1): Update target saved stack
420         pointer.
421
422 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
423
424         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
425         Check DATA limit only if there's no AS limit.  Ignore insanely
426         low DATA limits.
427         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
428         but take care that the AS limit isn't overrun.
429         * doc/invoke.texi: Update documentation of min-heapsize parameter.
430
431 2004-08-09  Jeff Law  <law@redhat.com>
432
433         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
434         (tree-ssa-threadupdate.o): Add dependencies.
435         * tree-ssa-threadupdate.c: New file.
436         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
437         (rewrite_vars_out_of_ssa): Remove prototype.
438         (cleanup_tree_cfg): Returns a bool.
439         * tree.h (thread_through_all_blocks): Prototype.
440         * tree-outof-ssa.c  (SSANORM_*): Move into here.
441         (remove_ssa_form): Now static.
442         (rewrite_vars_out_of_ssa): Kill.
443         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
444         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
445         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
446         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
447         anything was changed.
448         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
449         from the PHI's annotation rather than the edge associated with
450         the new argument.
451         * tree-ssa-dom.c (redirection_edges): Kill.
452         (redirect_edges_and_update_ssa_graph): Kill.
453         (tree_ssa_dominator_optimize): Do not reset forwardable flag
454         for blocks anymore.  Do not initialize redirection_edges.
455         Call thread_through_all_blocks.  Simplify code for cleanup
456         of the CFG and iterating.  No longer call cleanup_tree_cfg
457         outside the iteration loop.
458         (thread_across_edge): No longer mess with forwardable blocks.
459
460 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
461
462         * explow.c (memory_address): Use memory_address_p.
463         * recog.c (general_operand): Likewise.
464         * regrename.c: No need to define REG_OK_STRICT.
465
466 2004-08-09  Steven Bosscher  <stevenb@suse.de>
467
468         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
469         New timers.
470         * gcse.c: Include timevar.h.
471         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
472         and global_copy_prop_count.
473         (local_const_prop_count, local_copy_prop_count): New static globals.
474         (gcse_main): Set the right timevar for each pass.
475         (cprop_jump): Increment global_const_prop_count when a constant is
476         propagated.  Add "GLOBAL" to dump output.
477         (cprop_insn): Increment global_const_prop_count when a constant is
478         propagated, or global_copy_prop_count when a copy is propagated.
479         (do_local_cprop): Likewise for local_const_prop_count and
480         local_copy_prop_count.
481         (one_cprop_pass): Initialize const/cprop counters to zero.
482         Print out results of local and global const/cprop separately.
483         (bypass_block): Break over-length line.
484         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
485         for bb-reorder.o and tracer.o.
486
487 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
488
489         * Makefile.in (GTFILES): Remove stmt.c
490         (stmt.o): Do not depend on gt-stmt.h.
491         * emit-rtl.c (emit_line_note): Do not call
492         set_file_and_line_for_stmt.
493         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
494         do everything.
495         * function.c (free_after_parsing): Do not free STMT field.
496         (allocate_struct_function): Do not call init_stmt_for_function.
497         (assign_stack_temp_for_type): Do not accept values of keep
498         other than 0 or 1.
499         (init_temp_slots): Do not initialize removed variables.
500         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
501         and X_VAR_TEMP_SLOT_LEVEL fields.
502         * rtl.h (set_file_and_line_for_stmt): Remove.
503         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
504         struct stmt_status, cond_stack, case_stack, nesting_stack,
505         nesting_depth, emit_locus, set_file_and_line_for_stmt,
506         same_case_target_p, init_stmt_for_function, emit_nop,
507         expand_start_cond, expand_start_elseif, expand_start_else,
508         expand_elseif, expand_end_cond): Remove.
509         (preserve_subexpressions_p): Remove references to CFUN->STMT.
510         (expand_start_case, expand_end_case_type): Remove, merge into...
511         (expand_case): ... this one, including other bits from
512         expand_expr_real_1.  Inline same_case_target_p.  Turn members
513         of CASE_STACK into local variables.
514         (emit_case_bit_tests): Inline same_case_target_p.
515         (add_case_node): Add HEAD argument, return new head of the list,
516         do not handle default label here.
517         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
518         expand_start_elseif, current_nesting_level, expand_start_case,
519         expand_end_case_type, expand_end_case, add_case_node,
520         init_stmt_for_function, expand_elseif): Remove prototypes.
521         (expand_case): Add prototype.
522
523 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
524
525         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
526
527 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
528
529         * expr.c (var_rtx): Remove.
530         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
531         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
532         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
533         Abort.
534         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
535         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
536         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
537
538 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
539         Ayal Zaks <zaks@il.ibm.com>
540
541         * common.opt (freschedule-modulo-scheduled-loops): New flag.
542         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
543         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
544         when -freschedule-modulo-scheduled-loops flag is not specified.
545         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
546         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
547         More accurate placing of insn in row of partial schedule.
548         (ps_insn_find_column): New function.
549         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
550         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
551         (schedule_region): Use sched_is_disabled_for_current_region_p.
552         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
553
554 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
555
556         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
557         change.
558
559 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
560
561         * config/i386/i386.c (ix86_expand_clrmem): Properly call
562         gen_strset for 64bit target.
563
564 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
565
566         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
567
568 2004-08-07  Jason Merrill  <jason@redhat.com>
569
570         Make return in memory explicit.
571         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
572         (assign_parm_find_data_types): Remove code for old front end
573         invisible reference handling.
574         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
575         (expand_function_end): Likewise.
576         * gimplify.c (gimplify_return_expr): Handle a dereferenced
577         RESULT_DECL.
578         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
579         (declare_return_variable): Handle DECL_BY_REFERENCE.
580         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
581         (cp_genericize_r): Use convert_from_reference.
582         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
583         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
584
585         * c-common.c (c_warn_unused_result): Check TREE_USED before
586         warning about a CALL_EXPR with an unused value.
587
588 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
589
590         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
591         to the compiler.  Use -fshort-wchar by default.
592
593 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
594
595         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
596         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
597         threshhold.
598         * doc/invoke.texi (param): Document min-crossjump-insns.
599
600 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
601
602         PR c/13282
603         * c.opt (Wmissing-field-initializers): New option.
604         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
605         * c-typeck.c (pop_init_level): Guard the missing field warning with
606         warn_missing_field_initializers rather than extra_warnings.
607         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
608         some of the explanation from...
609         (-Wextra): ...here.  Say that the missing field warning can be
610         seperately controlled by -Wmissing-field-initializers.
611
612 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
613
614         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
615         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
616         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
617         * tree.def (ENTRY_VALUE_EXPR): Remove.
618
619 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
620
621         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
622         the places where it is actually needed.  Don't use repz; stosb
623         for -Os with sufficiently small constant sizes.
624         For sufficiently small repz; stos{l,q} repeat counts use a sequence
625         of stos{l,q} instructions instead.
626
627 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
628
629         PR tree-optimization/16807
630         * loop-iv.c (dump_iv_info): Dump invariants correctly.
631         (iv_subreg, iv_extend): Express value of invariant purely in
632         base field.
633
634 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
635
636         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
637         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
638
639 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
640
641         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
642         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
643         pre_dec_operand.
644         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
645         pattern until reload is finished to allow better code generation
646         and split them completely into separate instrunctions.
647         (*andsi3_split): New pattern.
648
649 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
650
651         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
652         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
653         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
654         * tree.h (handle_dll_attribute): Declare.  Test
655         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
656         * c-common.h (c_determine_visibility): Declare.
657         * c-common.c (c_determine_visibility): New function.
658         * c-decl.c (finish_decl): Use it.
659         (finish_function): Likewise.
660         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
661         zero, by default.  Use #if, not #ifdef, to test it.
662         * config/arm/arm.c (arm_attribute_table): Use
663         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
664         #if.
665         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
666         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
667         to 1.
668         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
669         * config/i386/i386.c (ix86_attribute_table): Use
670         handle_dll_attribute for dllimport/dllexport.  Test
671         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
672         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
673         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
674         it to 1.
675         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
676         with #if.
677         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
678         it to 1.
679         * doc/extend.texi (dllexport): Clarify and correct documentation.
680         (dllimport): Likewise.
681         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
682         handle_dll_attribute.
683
684 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
685
686         * tree-ssa-loop-manip.c: New file.
687         * Makefile.in (tree-ssa-loop-manip.o): Add.
688         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
689         Declare.
690         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
691         form.
692         (tree_ssa_loop_done): Verify loop closed ssa form.
693         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
694
695 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
696
697         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
698         pa_asm_output_aligned_local): New functions.
699         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
700         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
701         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
702         pa_asm_output_aligned_common.
703         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
704         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
705         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
706         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
707         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
708         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
709         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
710         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
711         common data.
712
713 2004-08-05  Andrew Pinski  <apinski@apple.com>
714
715         * objc/objc-act.c (build_objc_string_object): Mark the address
716         expression as constant.
717
718 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
719
720         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
721         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
722         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
723
724 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
725
726         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
727         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
728         out, and associated obsolete comments.
729
730 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
731
732         * tree.h (force_fit_type): Return a tree, take three flags.
733         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
734         TREE_CONSTANT_OVERFLOW here.
735         (int_const_binop, const_binop): Adjust.
736         (size_int_type): Do sign extension here.
737         (fold_convert_const, optimize_bit_field_compare,
738         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
739         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
740         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
741
742 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
743
744         PR tree-optimization/16864
745         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
746         for ssa names without default_def.
747
748 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
749
750         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
751         frame pointer, restore eax with an ebp-relative address.
752
753 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
754
755         PR 14516
756         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
757         * c-common.h (make_rtl_for_local_static): Delete.
758         * c-decl.c (shadow_tag_warned): Clean up comment.
759         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
760         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
761         * c-semantics.c (make_rtl_for_local_static): Delete.
762         * expr.c (init_block_move_fn): Use set_user_assembler_name.
763         (init_block_clear_fn): Likewise.
764         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
765         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
766         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
767         * tree.h (make_decl_rtl): Remove second parameter.
768         (set_user_assembler_name): New.
769         * varasm.c (set_user_assembler_name): New.
770         (make_decl_rtl): Remove second parameter.  Update callers in many
771         files.
772
773 2004-08-05  Adam Nemet  <anemet@lnxw.com>
774
775         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
776         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
777         to LynxOS 4.0.
778         * gthr-lynx.h: New file.
779         * config/lynx-ng.h: Remove file.
780         * config/lynx.h: Update to LynxOS 4.0.
781         * config/t-lynx: New file.
782         * config/i386/lynx-ng.h: Remove file.
783         * config/i386/lynx.h: Update to LynxOS 4.0.
784         * config/rs6000/lynxbase.h: Remove file.
785         * config/rs6000/lynx.h: Update to LynxOS 4.0.
786         * config/rs6000/t-lynx: New file.
787         * doc/install.texi (Options specification): Remove reference to
788         LynxOS from systems where --with-gnu-as makes a difference.
789
790 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
791
792         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
793         __UINTMAX_TYPE__.
794         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
795         __INTMAX_MAX__.
796         (c_cpp_builtins): Call it.
797         * doc/cpp.texi: Update.
798
799 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
800
801         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
802         cost.
803
804 2004-08-04  Jan Hubicka  <jh@suse.cz>
805
806         * basic-block.h (profile_staus): New global variable.
807         * cfg.c (profile_status): Declare.
808         (check_bb_profile): Break out from ....; use profile_status
809         (dump_flow_info): ... here.
810         * cfgbuild.c (find_basic_blocks): Set profile_status.
811         * cfgexpand.c (tree_expand_cfg): Likewise.
812         * predict.c (estimate_probability): Likewise.
813         * profile.c (branch_prob): Likewise.
814         * tree-cfg.c (build_tree_cfg): Likewise.
815         (dump_function_to_file): Use check_bb_profile.
816         * tree-pretty-print (dump_bb_header): Likewise.
817         * tree-profile.c (do_tree_profiling): Cleanup.
818
819 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
820
821         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
822         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
823         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
824         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
825         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
826         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
827         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
828         (ggc-none.o, errors.o): Move rule to generators section;
829         correct dependencies.
830         (min-insn-modes.o): Move rule to generators section; remove
831         unnecessary explicit command; correct dependencies.
832         (print-rtl.o, print-rtl1.o): Correct dependencies.
833         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
834         (mostlyclean): Update.
835
836         * errors.c: Include bconfig.h not config.h.  Correct comment.
837         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
838         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
839         * print-rtl.c: Don't include tm_p.h.
840
841         * rtl.h: Move forward-decl of struct function down where it's
842         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
843         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
844
845 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
846             Jeff Law  <law@redhat.com>
847
848         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
849         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
850         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
851         manipulate the duplicated ssa names.
852         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
853         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
854         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
855         New functions.
856         (release_ssa_name): Do not release ssa names that may have multiple
857         definitions.
858         * tree.h (release_ssa_name_force, mark_for_rewrite,
859         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
860         marked_ssa_names): Declare.
861         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
862         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
863         Update call to rewrite_ssa_into_ssa.
864
865 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
866
867         * defaults.h (TARGET_DECLSPEC): New macro.
868         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
869         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
870         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
871         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
872         __declspec support.
873         (TARGET_DECLSPEC): Define.
874         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
875         __declspec support.
876         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
877         __declspec support.
878         (TARGET_DECLSPEC): Define.
879         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
880         __declspec support.
881         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
882         support.
883         * doc/tm.texi (TARGET_DECLSPEC): Document.
884
885         * doc/extend.texi: Fix typo in comment.
886
887 2004-08-04  Paul Brook  <paul@codesourcery.com>
888
889         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
890         (TARGET_CXX): Use it.
891         * target.h (struct gcc_target): Add cdtor_returns_this.
892         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
893         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
894         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
895
896 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
897
898         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
899         low/high pair. Do range checking directly.
900         (interpret_integer): Adjust.
901
902 2004-08-04  Nick Clifton  <nickc@redhat.com>
903
904         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
905         GCC ABI.
906         * doc/invoke.texi: Document this new switch and also the -mrenesas
907         switch.
908
909 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
910
911         * cfglayout.c (insn_locators_initialize): Update the current
912         location before initializing a location.
913
914 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
915
916         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
917         (dbxout_function_end): Return after emitting the "Lscope" symbol
918         under the same conditions that this function formerly wasn't called.
919         Add explanatory comments.
920
921         PR 14860
922         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
923         on the new decl.
924
925         PR 13956
926         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
927         functions, broken out of dbxout_block.
928         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
929         stabs too, if it contains symbols.  Use the begin_label and
930         the Lscope label (emitted by dbxout_function_end) for the
931         range of this block.
932
933 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
934
935         * doc/install.texi: Update autoconf version requirements.
936
937 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
938
939         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
940         * recog.c (general_operand, immediate_operand, nonmemory_operand)
941         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
942         * regclass.c (record_reg_classes): Likewise.
943         * reload.c (find_reloads): Likewise.
944         * reload1.c (reload): Likewise.
945
946 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
947
948         * gensupport.c (init_md_reader_args_cb): Renamed from
949         init_md_reader_args.  Add third option, callback function for
950         parsing program-specific options.  Add diagnosis of incorrect
951         number of input files.
952         (init_md_reader): Fold into init_md_reader_args_cb.
953         (init_md_reader_args): Now a thin wrapper around
954         init_md_reader_args_cb.
955         * gensupport.h: Update prototypes.
956
957         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
958         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
959         * genrecog.c: No need to diagnose lack of an input file;
960         init_md_reader_args will handle it.
961         * genconditions.c: Likewise, and use init_md_reader_args.
962         * genconstants.c: Likewise, and no need to call read_md_rtx.
963
964 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
965
966         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
967         declarations.
968
969 2004-08-03  Mike Stump  <mrs@apple.com>
970
971         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
972         for frameworks.
973         * doc/invoke.texi (Darwin Options): Update to reflect above.
974
975 2004-08-03  Roger Sayle  <roger@eyesopen.com>
976
977         PR middle-end/16790
978         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
979         truncations, not just global truncations.
980
981 2004-08-03  Andrew Pinski  <apinski@apple.com>
982
983         PR bootstrap/16865
984         * loop-iv.c (simplify_using_assignment): Initialize lhs.
985
986 2004-08-03  Paul Brook  <paul@codesourcery.com>
987
988         * gcc/doc/install.texi: Document MPFR requirement.
989
990 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
991
992         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
993         and mmap() explicitly instead of relying on preset autoconf cache
994         variables.
995         * configure: Regenerate.
996
997 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
998
999         PR target/16570
1000         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
1001         to tmake_file.
1002         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
1003         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
1004         to tmake_file.
1005
1006         * config/i386/t-gmm_malloc: New file.
1007         * config/i386/t-pmm_malloc: Likewise.
1008
1009         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
1010
1011 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
1012             Tanguy Fautrà <tfautre@pandora.be>
1013
1014         * config/i386/pmm_malloc.h: New file.
1015
1016 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
1017
1018         * config/i386/gmm_malloc.h: New file.
1019
1020 2004-08-03  Dale Johannesen  <dalej@apple.com>
1021
1022         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
1023         * c-common.c: Include opts.h.
1024         (c_common_get_alias_set): Fix check for a single input file.
1025         * toplev.c: Remove current_file_decl.
1026         * tree.h: Ditto.
1027
1028 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
1029
1030         * config.gcc (arm*-*-symbianelf*): New target.
1031         * config/arm/symbian.h: New file.
1032
1033         * gthr-gnat.c: Add visibility #pragmas.
1034         * gthr-gnat.h : Likewise.
1035         * gthr.h: Likewise.
1036         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
1037         (__ffsDI2): Likewise.
1038         (__clzSI2): Likewise.
1039         (__ctzSI2): Likewise.
1040         (__ctzDI2): Likewise.
1041         (__popcountSI2): Likewise.
1042         (__popcountDI2): Likewise.
1043         (__paritySI2): Likewise.
1044         (__parityDI2): Likewise.
1045         * libgcc2.h: Add visibility #pragmas.
1046         (__clzDI2): Add prototype.
1047         (__clzSI2): Likewise.
1048         (__ctzSI2): Likewise.
1049         (__ffsDI2): Likewise.
1050         (__ffsSI2): Likewise.
1051         (__ctzDI2): Likewise.
1052         (__popcountSI2): Likewise.
1053         (__popcountDI2): Likewise.
1054         (__paritySI2): Likewise.
1055         (__parityDI2): Likewise.
1056         * unwind-dw2-fde.h: Add visibility #pragmas.
1057         * unwind.h: Likewise.
1058
1059 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
1060             Dale Johannesen  <dalej@apple.com>
1061             Roger Sayle  <roger@eyesopen.com>
1062
1063         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
1064         constants more accurately.  Adjust costs for FMA instructions.
1065         Add cases for most logical and float operations.  Recurse into
1066         most operands.
1067
1068 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
1069
1070         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
1071
1072 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
1073
1074         * ra-build.c (conflicts_between_webs): For webs that cross a call add
1075         conflicts to regs_invalidated_by_call.
1076
1077 2004-08-03  Paul Brook  <paul@codesourcery.com>
1078
1079         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
1080
1081 2004-08-03  Jan Hubicka  <jh@suse.cz>
1082
1083         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
1084         ARRAY_REF argument.
1085
1086 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
1087
1088         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
1089         arm968es, arm10e, arm1020e, arm1022e.
1090         * invoke.texi: Update list of ARM cores.
1091         * arm-tune.md: Regenerate.
1092
1093 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
1094
1095         * arm/gentune.sh: New file.
1096         * arm/t-arm: New file.
1097         * arm/arm-tune.md: New file (autogenerated).
1098         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
1099         * arm.md (attribute tune): Delete.  Include arm-tune.md.
1100
1101 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
1102
1103         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
1104         penultimate parameter.  All callers adjusted.
1105         (struct prefix_list): Remove used_flag_ptr.
1106         (find_a_file): Do not set *pl->used_flag_ptr.
1107         (warn_B, warn_std_ptr): Remove.
1108
1109 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
1110             Mostafa Hagog <mustafa@il.ibm.com>
1111
1112         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
1113
1114 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
1115
1116         * dwarf2out.c (output_call_frame_info): Don't change data format
1117         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
1118         label.  Use 'true' not '1'.
1119         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
1120         required.
1121
1122 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
1123
1124         * gdbinit.in: Reflect previous changes to rtunion_def.
1125
1126 2004-08-02  Roger Sayle  <roger@eyesopen.com>
1127
1128         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
1129         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
1130
1131 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1132
1133         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
1134         vec_p_reserve.
1135         * langhooks.h (lang_hooks::builtin_function): Rename parameter
1136         from "class" to "bt_class".
1137
1138 2004-08-02  Paul Brook  <paul@codesourcery.com>
1139
1140         PR rtl-optimization/15068
1141         * flow.c (init_propagate_block_info): Check condition is reversible.
1142
1143 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1144
1145         * gengtype.h (options::info): Change type to const char *.
1146         (enum gc_used_enum): Move out of struct type scope.
1147         * gengtype.c (create_option): Convert initializer for option::info to
1148         appropiate type.
1149         (adjust_field_type, walk_type, write_func_for_structure,
1150         write_root, write_roots): Remove pointless cast.
1151
1152 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
1153
1154         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
1155
1156 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1157
1158         * rtl.h (union rtunion_def): Have all members  start with the
1159         prefix "rt_".
1160         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
1161         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
1162         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
1163         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
1164         access.
1165         * gengtype.c (adjust_field_rtx_def): Likewise.
1166         * rtlanal.c (loc_mentioned_in_p): Likewise.
1167
1168 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
1169
1170         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
1171         Replace uses of mips/elf64.h with mips/elf.h
1172         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
1173         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
1174         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
1175         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
1176         (HANDLE_SYSV_PRAGMA): Delete.
1177         (ASM_OUTPUT_DEF): Fix formatting.
1178         * config/mips/elf64.h: Delete.
1179
1180 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
1181
1182         * config/ia64/ia64.c (got_symbolic_operand): Do require a
1183         symbol+offset operand to have its offset be zero mod 0x3fff
1184         when GOT entries are in use.  Clarify logic in SYMBOL_REF
1185         case.  Clarify comments.
1186         (ia64_expand_load_address): Split a symbol+offset load when
1187         the offset is nonzero mod 0x3fff, not 0x1fff.
1188
1189 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
1190
1191         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
1192         if trying to *store* to a non-offsettable address.
1193         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
1194         a nonoffsettable address.
1195         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
1196         Clean up.
1197         (movti_string): Don't move GPRs to a nonoffsettable address.
1198         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
1199
1200 2004-08-02  Ben Elliston  <bje@au.ibm.com>
1201
1202         PR target/16155
1203         * config/rs6000/altivec.h: Replace typeof with __typeof__.
1204
1205 2004-08-01  Richard Henderson  <rth@redhat.com>
1206
1207         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
1208         variable sized types.
1209
1210 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1211
1212         * doc/invoke.texi: In the MIPS options section, remove the passage
1213         saying that -mexplicit-relocs is usually disabled for -mabicalls
1214         -fno-unit-at-a-time.
1215         * config/mips/mips.c (override_options): Remove the code that enforced
1216         this rule.
1217
1218 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1219
1220         * config/mips/mips.md (cprestore): Provide two alternatives, one for
1221         an in-range offset and one for an out-of-range offset.  Wrap the latter
1222         in .set macro/.set nomacro if it's inside a .set nomacro block.
1223
1224 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
1225
1226         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
1227         (mips_restore_gp): Declare.
1228         * config/mips/mips.c (mips_add_offset): Add a scratch register
1229         argument.  Reimplement in rtl only, reusing MIPS16 logic from
1230         mips_output_mi_thunk.
1231         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
1232         to mips_add_offset.
1233         (mips_gp_save_slot): Delete.
1234         (mips_restore_gp): New function.
1235         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
1236         * config/mips/mips.md (exception_receiver): Turn into a
1237         define_insn_and_split.  Use mips_restore_gp to do the split.
1238         (call_internal, call_value_internal, call_value_multiple_internal): Use
1239         mips_restore_gp to restore $gp.
1240
1241 2004-07-31  Andrew Pinski  <apinski@apple.com>
1242
1243         PR other/16842
1244         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
1245
1246 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1247
1248         * c-decl.c (diagnose_mismatched_decls): Give error for external
1249         redeclaration of identifier declared with no linkage, not just
1250         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
1251         error for redeclaration with no linkage.
1252
1253 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
1254             Fariborz Jahanian <fjahanian@apple.com>
1255
1256         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
1257         non-offsettable addresses even for DImode.
1258         (rs6000_split_multireg_move): Cope with non-offsettable addresses
1259         being moved into multiple GPRs.
1260
1261         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
1262         to 64.
1263         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
1264         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
1265         to 128.
1266         * config/rs6000/darwin-ldouble.c (isless): New macro.
1267         (inf): New macro.
1268         (nonfinite): New macro.
1269         (FPKINF): Delete.
1270         (_xlqadd): Completely rewrite.
1271         (_xlqmul): Correct overflow handling.
1272         (_xlqdiv): Correct overflow handling.
1273         * config/rs6000/darwin-ldouble-format: New file.
1274
1275 2004-07-30  Roger Sayle  <roger@eyesopen.com>
1276             Richard Henderson  <rth@redhat.com>
1277
1278         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
1279         9 into the equivalent lea instruction.
1280
1281 2004-07-30  Richard Henderson  <rth@redhat.com>
1282
1283         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
1284         with DECL_INITIAL if fb_lvalue.
1285         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
1286         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
1287         with <Cxxx>.
1288         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
1289
1290 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
1291
1292         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
1293         pointer escapes through a function call, assume that the
1294         callee will dereference it.
1295         (add_pointed_to_var): Assume that VALUE is always an
1296         ADDR_EXPR.
1297         (collect_points_to_info_r): Only call add_pointed_to_var if
1298         the value is an ADDR_EXPR.
1299
1300 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
1301
1302         * tree-ssa-alias.c (create_alias_map_for): Do not get the
1303         alias set of the inner type of ARRAY_TYPEs.
1304
1305 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1306
1307         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
1308         setting a non-register to UNDEFINED right before the call to
1309         set_lattice_value.
1310
1311 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1312
1313         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
1314
1315 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1316
1317         * tree-ssa.c (verify_flow_sensitive_alias_info): When
1318         comparing points-to sets of different pointers, make sure the
1319         second pointer is actually referenced in the code.
1320
1321 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
1322
1323         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
1324         (got_symbolic_operand): Remove unreachable code.
1325         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
1326         setjmp_operand; add entry for tls_symbolic_operand.
1327         * config/ia64/ia64-protos.h: Remove all prototypes of
1328         predicate functions.
1329
1330 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
1331
1332         * c-common.h (lang_post_pch_load): New variable.
1333         * c-pch.c (lang_post_pch_load): Define it.
1334         (c_common_read_pch): Use it.
1335         * cgraphunit.c (record_call_1): Give the front end a chance to
1336         record additional needed entities when a variable is marked as
1337         needed.
1338         * tlink.c (recompile_files): Robustify.
1339         (scan_linker_output): If a symbol is assigned to a file,
1340         but after recompilation is not present there, issue an error
1341         message.
1342
1343 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1344
1345         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
1346         Take orig_loop argument and pass it to set_level.
1347         (schedule_sm): Pass the correct orig_loop to force_move_till.
1348
1349 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1350
1351         * cfgloop.c (update_latch_info): Update dominator of the new block.
1352         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
1353         info.
1354         * dominance.c (verify_dominators): Check that the dominance tree is
1355         connected.
1356         (recount_dominator): Ignore unreachable blocks.
1357         (iterate_fix_dominators): Cleanup old dominance information before
1358         recomputing it.
1359
1360 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
1361
1362         * tree-ssa-operands.c (get_expr_operands): Revert changes
1363         to ADDR_EXPR processing introduced by:
1364             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1365             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
1366
1367 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
1368
1369         * doc/implement-c.texi: Add C90 subclause references.  Point to
1370         preprocessor documentation instead of duplicating it.  Add points
1371         only present in C90.  Fill in documentation for all points.
1372
1373 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1374
1375         * pa.c (output_movb): Correct typo.
1376
1377 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
1378
1379         * ra.h (single_reg_in_regclass): Declare.
1380         * ra.c (single_reg_in_regclass): Define.
1381         (first_hard_reg): New.
1382         (init_ra): Initialize single_reg_in_regclass.
1383         * ra-colorize.c (ok_class): New.
1384         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
1385
1386 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
1387
1388         * gcov-io.h: Allow zero tag as EOF indicator.
1389         (gcov_is_eof): Remove.
1390         (gcov_truncate): Remove.
1391         * gcov-io.c (gcov_seek): Always SEEK_SET.
1392         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
1393         EOF tag.
1394         * coverage.c (read_counts_file): Don't use gcov_is_eof.
1395         * gcov-dump.c (dump_file): Likewise.
1396         * gcov.c (read_graph_file, read_count_file): Likewise.
1397
1398         * c-decl.c (complete_array_type): Don't gratuitously copy
1399         maxindex.  Check it always has a type.
1400
1401 2004-07-29  Steven Bosscher  <stevenb@suse.de>
1402
1403         * rtl.c (currently_expanding_to_rtl): New.
1404         * rtl.h (currently_expanding_to_rtl): Export it.
1405         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
1406
1407         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
1408         inliner hack.
1409         * config/sh/sh.c: Replace rtx_equal_function_value_matters
1410         with currently_expanding_to_rtl.
1411         * config/sh/sh.md: Likewise.
1412         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
1413
1414 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
1415
1416         Introduce sh2a support.
1417         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
1418         * config.gcc: Build multilibs for sh2a and sh2a-single by
1419         default.
1420         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
1421         default.  Split their tests out of the corresponding SH4
1422         multilibs.
1423         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
1424         multilibs for SH2a.
1425         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
1426         * config.gcc: Handle sh2a multilibs and cpu selection.
1427         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
1428         * config/sh/t-mlib-sh2a: New.
1429         * config/sh/t-mlib-sh2a-nofpu: New.
1430         * config/sh/t-mlib-sh2a-single: New.
1431         * config/sh/t-mlib-sh2a-single-only: New.
1432         2004-07-09  Nick Clifton  <nickc@redhat.com>
1433         Issue 43400
1434         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
1435         -ml and -m2a are used together.
1436         2004-03-23  DJ Delorie  <dj@redhat.com>
1437         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
1438         when we have a double-sized FPU.
1439         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
1440         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
1441         is set.
1442         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
1443         -msh2a-single and -msh2a-single-only
1444         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
1445         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
1446         is set.
1447         2004-02-20  DJ Delorie  <dj@delorie.com>
1448         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
1449         2004-02-20  Fred Fish <fnf@redhat.com>,
1450         Corinna Vinschen <vinschen@redhat.com>
1451         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
1452         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
1453         2004-02-18  DJ Delorie  <dj@redhat.com>
1454         * config/sh/sh.c (broken_move): Add support for movi20.
1455         * config/sh/sh.h: Likewise.
1456         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
1457         * config/sh/sh.md (udivsi3_sh2a): New.
1458         (udivsi3): Call it.
1459         (divsi3_sh2a): New.
1460         (divsi3): Call it.
1461         (mul_r): New.
1462         (ashlsi3_sh2a): New.
1463         (ashrsi3_sh2a): New.
1464         (lshrsi3_sh2a): New.
1465         (movsi_i): Disable for sh2a.
1466         (movsi_ie): Add movi20.
1467         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
1468         sh2a, for -m2a-nofpu mode.
1469         2004-02-13  DJ Delorie  <dj@redhat.com>
1470         * config/sh/lib1funcs.asm: Handle double vs single better.
1471         * config/sh/sh.h: Likewise.
1472         2004-02-09  DJ Delorie  <dj@redhat.com>
1473         * config/sh/crt1.asm: Add support for sh2a.
1474         * config/sh/elf.h: Likewise.
1475         * config/sh/lib1funcs.asm: Likewise.
1476         * config/sh/sh.c: Likewise.
1477         * config/sh/sh.md: Likewise.
1478         * config/sh/sh.h: Likewise.
1479         * config/sh/t-sh: Likewise.
1480
1481 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
1482
1483         * config/frv/frv.md (movqi_internal, movhi_internal,
1484         movsi_internal): Add backup alternatives for memory inputs.
1485
1486 2004-07-28  Matt Austern  <austern@apple.com>
1487
1488         * config/darwin.c (darwin_one_byte_bool): New global variable.
1489         * config/darwin.h (darwin_one_byte_bool): Declare.
1490         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
1491         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
1492         value of darwin_one_byte_bool.
1493         * doc/invoke.texi: Document -mone-byte-bool flag.
1494
1495 2004-07-28  Eric Christopher  <echristo@redhat.com>
1496
1497         * c-common.c (c_common_unsafe_for_reeval): Delete.
1498         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
1499         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
1500         * calls.c (fix_unsafe_tree): Delete.
1501         (expand_call): Delete code which used above.
1502         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
1503         * expr.c (expand_expr_real_1): Ditto.
1504         * fold-const.c (non_lvalue): Ditto.
1505         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
1506         (lhd_unsafe_for_reeval): Ditto.
1507         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
1508         * langhooks.h (unsafe_for_reeval): Ditto.
1509         (unsave_expr_now): Adjust comment.
1510         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
1511         (estimate_num_insns_1): Ditto.
1512         * tree-pretty-print.c (dump_generic_node): Ditto.
1513         * tree.c (expr_align): Ditto.
1514         (unsave_expr): Delete.
1515         (unsafe_for_reeval): Ditto.
1516         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
1517         * tree.def (UNSAVE_EXPR): Delete.
1518         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
1519
1520 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
1521
1522         * tree.h (enum tls_model): Move ...
1523         * coretypes.h: ... here.
1524
1525 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
1526
1527         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
1528
1529 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
1530
1531         * cse.c (validate_canon_reg): New function, split out from...
1532         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
1533
1534 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1535
1536         * tree-ssa-alias.c (maybe_create_global_var): Don't just
1537         return if .GLOBAL_VAR has been created.
1538
1539 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1540
1541         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
1542         every variable that may have aliases, not just tags.
1543
1544 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
1545
1546         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
1547         move_from_CR_eq_bit.
1548         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
1549
1550
1551         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
1552         e500_flip_eq_bit.
1553
1554         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
1555         output_e500_flip_eq_bit.
1556
1557         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
1558         output_e500_flip_eq_bit.
1559         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
1560         output_e500_flip_eq_bit.
1561         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
1562         (print_operand): case D.  Get to EQ bit.
1563
1564 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
1565
1566         * gcov.c (function_summary): Add missing \n.
1567
1568 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
1569
1570         Introduce sh4a support.
1571         * config.gcc: Handle sh4a multilibs and cpu selection.
1572         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
1573         * config/sh/t-mlib-sh4a: New.
1574         * config/sh/t-mlib-sh4al: New.
1575         * config/sh/t-mlib-sh4a-nofpu: New.
1576         * config/sh/t-mlib-sh4a-single: New.
1577         * config/sh/t-mlib-sh4a-single-only: New.
1578         2004-02-20  DJ Delorie  <dj@redhat.com>
1579         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
1580         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
1581         2003-08-22  Eric Christopher  <echristo@redhat.com>
1582         * config/sh/sh4a.md: Update for chip errata.
1583         2003-08-07  Eric Christopher  <echristo@redhat.com>
1584         * config/sh/sh4a.md: New file. sh4a processor description.
1585         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
1586         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
1587         of -m4a-nofpu.
1588         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
1589         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
1590         * doc/invoke.texi (SH Options): Document -m4al.
1591         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
1592         * config/sh/sh.c (expand_block_move): Remove commented-out code
1593         checked in by mistake.
1594         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
1595         single elements from SFmode vectors.
1596         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
1597         register.
1598         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
1599         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
1600         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
1601         sh_fsca_int2sf): Remove variable declarations.
1602         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
1603         sh_fsca_int2sf): New functions.
1604         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
1605         sh_fsca_int2sf_rtx): New static variables.
1606         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
1607         sh_fsca_int2sf): Declare.
1608         * config/sh/sh.md: Adjust.
1609         * doc/invoke.texi (SH Options): Document new options.
1610         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
1611         compatibility from SH4 code.
1612         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
1613         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
1614         early.
1615         (memory_movsrc_operand): Renamed to...
1616         (unaligned_load_operand): ... this.  Simplified.
1617         * config/sh/sh.h (PREDICATE_CODES): Adjust.
1618         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
1619         input operand to SImode, and adjust the others.  Introduce
1620         post-increment by peephole.
1621         * config/sh/sh.c (expand_block_move): Give the target address the
1622         same mode as the temp reg.
1623         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
1624         copying.
1625         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
1626         Introduce support for SH4a.
1627         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
1628         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
1629         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
1630         sh_fsca_int2sf): New.
1631         (sh_init_builtins): Initialize them.
1632         (print_operand): Support `d'.
1633         (expand_block_move): Use movua if src is misaligned.
1634         (memory_movsrc_operand): New.
1635         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
1636         and one of the SH4 macros.
1637         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
1638         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
1639         SELECT_SH4A_SINGLE): New.
1640         (TARGET_NONE): Add SH4A_BIT.
1641         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
1642         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
1643         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
1644         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
1645         (enum processor_type): Added PROCESSOR_SH4A.
1646         (PREDICATE_CODES): Add memory_movsrc_operand.
1647         * config/sh/sh.md: Removed unused variables.
1648         (attr cpu): Add sh4a.
1649         (attr type): Add movua, fsrra and fsca.
1650         (prefetch): New, for SH4.
1651         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
1652         (toggle_sz): Set type to fp.
1653         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
1654         (movua, extv, extzv): New.
1655         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
1656         and 4a-single-only.
1657
1658 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1659
1660         * tree-optimize.c (init_tree_optimization_passes): Schedule
1661         pass_may_alias right after the program is renamed into SSA.
1662         * tree-pass.h (PROP_alias): Define.
1663         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
1664         * tree-sra.c (pass_sra): Likewise.
1665         * tree-ssa-ccp.c (pass_ccp): Likewise.
1666         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
1667         * tree-ssa-dce.c (pass_dce): Likewise.
1668         * tree-ssa-dom.c (pass_dominator): Likewise.
1669         * tree-ssa-dse.c (pass_dse): Likewise.
1670         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1671         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1672         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1673         * tree-ssa-pre.c (pass_pre): Likewise.
1674         * tree-tailcall.c (pass_tail_recursion): Likewise.
1675         * tree-ssa.c (pass_redundant_phi): Likewise.
1676         * tree-ssa-alias.c (aliases_computed_p): Remove.
1677         Update all users.
1678         (init_alias_info): Do not mark all type tags for renaming
1679         unconditionally.
1680         Clear may_aliases from every symbol.
1681         (setup_pointers_and_addressables): If a pointer has not been
1682         dereferenced and it had a type tag, clear it and mark the old
1683         tag for renaming.
1684
1685 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
1686
1687         PR tree-optimization/16705
1688         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
1689         .GLOBAL_VAR.
1690
1691 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1692
1693         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
1694         check.
1695
1696         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
1697         don't make another one.
1698
1699         PR optimization/15077
1700         * function.h (struct function): Add field saved_static_chain_decl.
1701         Fix comment for static_chain_decl.
1702         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
1703         * tree-inline.h (save_body): Add new arg.
1704         * tree-optimize.c (tree_rest_of_compilation): Handle saving
1705         static_chain_decl.
1706
1707 2004-07-27  Richard Henderson  <rth@redhat.com>
1708
1709         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
1710         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
1711         is_gimple_addressable.
1712         * tree-gimple.c (is_gimple_addressable): Rename from
1713         is_gimple_addr_expr_arg; accept INDIRECT_REF.
1714         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
1715         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
1716         rename to is_gimple_addressable.
1717
1718 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
1719
1720         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
1721
1722 2004-07-27  Richard Henderson  <rth@redhat.com>
1723
1724         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
1725         before rounding.
1726
1727 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
1728
1729         * libgcc2.c: Change all conditionals testing
1730         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
1731         * libgcc2.h: Likewise.
1732         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
1733         TYPE_PRECISION of float80_type to 80.
1734         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
1735         of fpreg_type and float80_type to 80.
1736         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
1737         * config/m68k/netbsd-elf.h:
1738         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
1739         to evaluate to 80 whenever they would formerly have evaluated to 96.
1740         * config/i386/sco5.h: Remove unnecessary redefinition of
1741         LONG_DOUBLE_TYPE_SIZE.
1742         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
1743         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
1744         XFmode, with a bitsize of 80.  Update commentary.
1745         * config/ia64/ia64-modes.def: Likewise.
1746         * config/m68k/m68k-modes.def: Likewise.
1747
1748 2004-07-27  Steven Bosscher  <stevenb@suse.de>
1749
1750         * cfgexpand.c (tree_expand_cfg): Fix comment.
1751
1752         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
1753         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
1754         Remove.
1755         (prepare_function_start): Don't set rtx_equal_function_value_matters.
1756         * integrate.c (copy_rtx_and_substitute): Don't test for it.
1757         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
1758         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
1759         here again.  Update leading comment.
1760         * rtl.c (rtx_equal_function_value_matters): Remove.
1761         (rtx_equal_p): Don't test for it.
1762         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
1763         Likewise.
1764
1765         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
1766         * rtl.c (note_insn_name): Likewise.
1767         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
1768         * final.c (final_scan_insn): Likewise.
1769
1770         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
1771         * passes.c (rest_of_handle_eh): Do it here.
1772
1773         * stmt.c (struct nesting): Remove struct nesting block member.
1774         (struct stmt_status): Remove x_block_start_count field.
1775         (current_block_start_count): Remove.
1776
1777 2004-07-27  Brian Booth  <bbooth@redhat.com>
1778
1779         * tree-optimize.c (register_one_dump_file): Update condition that uses
1780         static_pass_number.
1781         (dup_pass_1): Replace with...
1782         (next_pass_1): This.
1783         (NEXT_PASS): Call next_pass_1.
1784         (DUP_PASS): Remove.
1785         (init_tree_optimization_passes): Remove uses of DUP_PASS.
1786         (execute_one_pass): Update condition that uses
1787         static_pass_number.
1788         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
1789         integer.
1790
1791 2004-07-27  Nick Clifton  <nickc@redhat.com>
1792
1793         * config/m32r/m32r.c: Include integrate.h in order to get the
1794         prototype for get_hard_reg_initial_val().
1795
1796         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
1797         and tidy up indentation.
1798         (final_presence_set): Use absence_set instead, so that if there is
1799         nothing in the "o" pipe the "s" pipe can be scheduled.
1800
1801 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
1802
1803         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
1804         don't have PT_VARS nor PT_MALLOC set.
1805         Clear name tag from pointers that have not been dereferenced.
1806         (set_pt_anything, set_pt_malloc): Forward declare.
1807         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
1808         not type compatibility when determining if a pointer can be
1809         copy propagated.
1810
1811 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
1812
1813         * expr.h (canonicalize_condition, get_condition): Add an int argument.
1814         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
1815         it to check whether the condition is still valid at the jump insn.
1816         * ifcvt.c (noce_get_condition): Likewise.
1817         (noce_get_alt_condition): Update call to canonicalize_condition.
1818         * loop-iv.c (simplify_using_initial_values): Update call to
1819         get_condition.  Remove FIXME.
1820         (check_simple_exit): Update call to get_condition.
1821         * loop-unswitch.c (may_unswitch_on): Likewise.
1822         * loop.c (check_dbra_loop): Likewise.
1823         (canonicalize_condition, get_condition): Add an argument to say whether
1824         the condition must still be valid at INSN.
1825         (get_condition_for_loop): Update call to get_condition.  Require that
1826         the condition be valid at INSN.
1827         * predict.c (estimate_probability): Update call to get_condition.
1828         Remove unused earliest parameter.
1829         (expected_value_to_br_prob): Update call to canonicalize_condition.
1830
1831 2004-07-26  Eric Christopher  <echristo@redhat.com>
1832
1833         * tree-dfa.c (add_referenced_var): Register initializers of global
1834         variables.
1835
1836 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
1837
1838         * config/i386/i386.c (function_arg): Always treat 8-
1839         and 16-byte wide vectors the same, even if MMX/SSE
1840         are disabled.
1841         (contains_128bit_aligned_vector_p): Add comment.
1842
1843 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
1844
1845         * ra.h (enum node_type): Rename to:
1846         (enum ra_node_type).
1847         * ra-colorize.c: Likewise.
1848
1849 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
1850
1851         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
1852         after simplifying the jump.
1853
1854 2004-06-26  Richard Henderson  <rth@redhat.com>
1855
1856         * calls.c (combine_pending_stack_adjustment_and_call): Make
1857         preferred_unit_stack_boundary argument unsigned.  Make
1858         unadjusted_alignment unsigned.
1859         (expand_call): Make preferred_stack_boundary and
1860         preferred_unit_stack_boundary variables unsigned.
1861         * function.c (assign_stack_local_1): Make alignment unsigned.
1862         * function.h (struct function): Make stack_alignment_needed,
1863         preferred_stack_boundary unsigned.
1864         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
1865         (ix86_compute_frame_layout): Make stack_alignment_needed,
1866         preferred_alignment variables unsigned.
1867         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
1868
1869 2004-07-26  Tom Tromey  <tromey@redhat.com>
1870
1871         * tree.h: Fix typo in comment.
1872
1873 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
1874
1875         PR bootstrap/12804
1876         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
1877         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
1878         (ggc_free): Remove incorrect freeing.
1879         (sweep_pages): Advance PP for large pages.  Fix indentation.
1880
1881 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
1882
1883         PR rtl-optimization/16643
1884         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
1885         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
1886         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
1887         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
1888         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
1889         * function.c (thread_prologue_and_epilogue_insns): Likewise.
1890         * rtl.h (tracer): Add a flags parameter.
1891         * tracer.c (tracer): Pass it to cfg_layout_initialise.
1892         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
1893         (rest_of_handle_reorder_blocks): Update calls to tracer and
1894         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
1895         (rest_of_handle_tracer): Pass 0 to tracer.
1896         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
1897
1898 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
1899
1900         PR target/16239
1901         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
1902         f->f.
1903
1904 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
1905
1906         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
1907         (BINFO_BASE_ACCESS): Adjust.
1908         (BINFO_BASE_ACCESS_APPEND): New.
1909         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
1910         * dbxout.c (dbxout_type): Adjust binfo access accessing.
1911         * dwarf2out.c (gen_member_die): Likewise.
1912         * tree-dump.c (deque_and_dump): Likewise.
1913
1914 2004-07-26  Falk Hueffner  <falk@debian.org>
1915
1916         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
1917         costs.
1918
1919 2004-07-25  Roger Sayle  <roger@eyesopen.com>
1920
1921         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
1922         value off of the stack if TARGET_USE_FFREEP.
1923
1924 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
1925
1926         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
1927         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
1928         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
1929         check on invocation of XRESIZEVEC ().
1930
1931 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
1932
1933         * c-common.c (disable_builtin_function): Rename variable n to
1934         new_disabled_builtin.
1935         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
1936         Rename local variable old to old_decl.
1937         * gensupport.c (shift_output_template): Rename parameter old to src.
1938         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
1939         old_rtx and newx to new_rtx.
1940
1941 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
1942
1943         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
1944         of c-pragma.h.
1945         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
1946         enum cpp_ttype.
1947         * c-lex.c: Likewise.
1948
1949 2004-07-25  Roger Sayle  <roger@eyesopen.com>
1950
1951         * fold-const.c (constant_boolean_node): Make extern.
1952         (make_range): Wrap long lines.
1953         (fold_cond_expr_with_comparison): Remove unnecessary call to
1954         pedantic_non_lvalue.  Add missing calls to fold_convert.
1955         (fold_truthop): Add missing calls to fold_convert.
1956         (fold): Likewise.
1957         * tree.h (constant_boolean_node): Add prototype here.
1958         * builtins.c (expand_builtin_strncmp): Add missing calls to
1959         fold_convert.
1960         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
1961         Call fold_convert and constant_boolean_node to correct types.
1962         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
1963         missing call to fold_convert to correct types.
1964
1965 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
1966             Brian Ryner  <bryner@brianryner.com>
1967
1968         PR c++/9283
1969         PR c++/15000
1970         * c-common.c (c_common_attribute_table): Allow
1971         handle_visibility_attribute to be called for types.
1972         (handle_visibility_attribute) When given a type, set the visibility
1973         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
1974         so that we can check later whether the attribute was present. Added
1975         warning if attribute applied to non class type.
1976         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
1977         decls and checking that they are consistent.
1978         * common.opt: Added -fvisibility.
1979         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
1980         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
1981         * flags.h, tree.h: Added assorted support defines for overall patch
1982         * opts.c: Added parsing support for -fvisibility.
1983         * tree.c (build_decl): Set visibility for all decls to be whatever
1984         is in force at that time.
1985         * varasm.c (default_binds_local_p_1): Reworked logic determining
1986         when to make a symbol locally bound.
1987         * doc/invoke.texi: Added documentation for -fvisibility and
1988         -fvisibility-inlines-hidden.
1989
1990 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
1991
1992         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
1993         * c-common.c: Add missing casts from void * to other types.
1994         * c-decl.c: Likewise.
1995         * c-format.c: Likewise.
1996         * c-lex.c: Likewise.
1997         * c-pragma.c: Likewise.
1998         * c-typeck.c: Likewise.
1999         * defaults.h: Likewise.
2000         * genconstants.c: Likewise.
2001         * gengtype-lex.l: Likewise.
2002         * genmodes.c: Likewise.
2003         * read-rtl.c: Likewise.
2004         * rtl.c: Likewise.
2005
2006 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2007
2008         * bitmap.c: Use type-safe memory allocation macros from libiberty.
2009         * c-common.c: Likewise.
2010         * c-decl.c: Likewise.
2011         * c-lang.c: Likewise.
2012         * c-lex.c: Likewise.
2013         * c-opts.c: Likewise.
2014         * c-parse.in: Likewise.
2015         * c-typeck.c: Likewise.
2016         * genconditions.c: Likewise.
2017         * gengtype-lex.l: Likewise.
2018         * gengtype-yacc.y: Likewise.
2019         * gengtype.c: Likewise.
2020         * genmodes.c: Likewise.
2021         * gensupport.c: Likewise.
2022         * read-rtl.c: Likewise.
2023         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
2024         htab_find_slot().
2025
2026 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2027
2028         * c-decl.c (groktypename, groktypename_in_param_context): Rename
2029         variable typename to type_name.
2030         * c-lex.c (interpret_float): Likewise.
2031
2032 2004-07-25  Roger Sayle  <roger@eyesopen.com>
2033
2034         * convert.c (convert_to_real, convert_to_integer,
2035         convert_to_complex): Replace calls to build with calls to buildN.
2036         * coverage.c (tree_coverage_counter_ref): Likewise.
2037         * dojump.c (do_jump): Likewise.
2038         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
2039         * emit-rtl.c (component_ref_for_mem_expr,
2040         set_mem_attributes_minus_bitpos): Likewise.
2041         * explow.c (update_nonlocal_goto_save_area): Likewise.
2042         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
2043         expand_mult_add): Likewise.
2044         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
2045         store_constructor, get_inner_reference, expand_expr_real_1,
2046         try_casesi, try_tablejump): Likewise.
2047         * function.c (expand_function_start): Likewise.
2048         * stmt.c (emit_case_bit_tests, expand_end_case_type,
2049         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
2050         * stor-layout.c (place_union_field, layout_type): Likewise.
2051         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
2052         * varasm.c (copy_constant): Likewise.
2053
2054 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2055
2056         * c-common.c: Rename all identifiers named `new'.
2057         * c-decl.c: Likewise.
2058         * gensupport.c: Likewise.
2059         * simplify-rtx.c: Likewise.
2060         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
2061         with XNEW().
2062         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
2063         with XNEWVEC().
2064
2065 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
2066
2067         PR c/15360
2068         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
2069         declarations until after calling pushdecl.
2070         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
2071         "extern" and not on whether the declaration is initialized.
2072
2073 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
2074
2075         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
2076         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
2077         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
2078         "cpplib.h", "c-pragma.h", "c-common.h".
2079         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
2080         (solaris_register_pragmas): New functions.
2081         * config/sol2-protos.h: New file.
2082         * config/sol2.c: New file.
2083         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
2084         (REGISTER_TARGET_PRAGMAS): New macros.
2085         (solaris_pending_aligns, solaris_pending_inits)
2086         (solaris_pending_finis): New variables.
2087         * config/t-sol2 (sol2-c.o): Update dependencies.
2088         (sol2.o): New rule.
2089         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
2090         SUBTARGET_INSERT_ATTRIBUTES.
2091         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
2092         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
2093         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
2094         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
2095         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
2096         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
2097         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
2098         * config/sparc/sparc.c (sparc_attribute_table): New.
2099         (TARGET_INSERT_ATTRIBUTES): Define in terms of
2100         SUBTARGET_INSERT_ATTRIBUTES.
2101         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
2102         is defined.
2103         * doc/extend.texi (Solaris Pragmas): New section.
2104
2105 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2106
2107         * c-common.c: Rename all identifiers named `class' to `cl'.
2108         * c-common.h: Likewise.
2109         * c-parse.in: Likewise.
2110         * c-typeck.c: Likewise.
2111         * genmodes.c: Likewise.
2112         * real.c: Likewise.
2113         * real.h: Likewise.
2114         * recog.c: Likewise.
2115         * recog.h: Likewise.
2116         * regrename.c: Likewise.
2117         * tree.h: Likewise.
2118         * c-common.c (builtin_function_2): Change type of 5th parameter from
2119         int to enum built_in_function. Change type of 8th parameter from int
2120         to bool.
2121         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
2122         with GGC_CNEW().
2123         * c-typeck.c (convert_arguments): Change type of formal_prec from
2124         int to unsigned int.
2125         * genmodes.c (blank_mode): Make a few negative constants unsigned.
2126         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
2127         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
2128         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
2129         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
2130         iterator to for_all_modes () instead of an enum because enums can't
2131         be incremented in C++.
2132
2133
2134 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
2135
2136         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
2137         hard registers.
2138
2139 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2140
2141         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
2142         Handle ARRAY_RANGE_REF like ARRAY_REF.
2143
2144 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
2145
2146         * c-typeck.c (digest_init): Don't allow arrays of signed or
2147         unsigned variants of wchar_t to be initialized by wide string
2148         constants.  Do allow arrays of enumerated types compatible with
2149         wchar_t to be initialized by wide string constants.  Refine tests
2150         distinguishing wide and narrow strings and arrays.  Give specific
2151         error for arrays of other integer types initialized by string
2152         constants.
2153         (output_init_element, process_init_element): Check for
2154         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
2155         initializing with string constants.
2156
2157 2004-07-25  Richard Henderson  <rth@redhat.com>
2158
2159         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
2160         on the RESULT_DECL.
2161         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2162         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
2163         DECL_IGNORED_P to new decl.
2164
2165 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
2166
2167         * config/ia64/ia64.c (general_xfmode_operand)
2168         (destination_xfmode_operand): Delete.
2169         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
2170         * config/ia64/ia64.md (*movxf_internal): Use general_operand
2171         and destination_operand.
2172
2173 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
2174
2175         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
2176         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
2177
2178 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
2179             Zack Weinberg  <zack@codesourcery.com
2180
2181         PR 16684
2182         * c-decl.c (diagnose_mismatched_decls): Don't issue a
2183         redundant-declaration warning the first time a builtin is
2184         declared explicitly.
2185
2186 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2187
2188         * tree.h (staticp): Change return type to bool.
2189
2190 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2191
2192         * c-common.c (c_staticp): Last episode of the staticp saga.
2193
2194 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2195
2196         * c-common.h (c_staticp): Change return type from int to bool.
2197         * tree.c (staticp): Likewise.
2198         * langhooks.h (staticp): Likewise.
2199
2200 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2201
2202         * langhooks-def.h (lhd_staticp): Change return type from int to
2203         bool in prototype to match definition.
2204
2205 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2206
2207         * system.h (bool, true, false): Don't redefine as preprocessor macros
2208         in C++.
2209
2210 2004-07-24  Roger Sayle  <roger@eyesopen.com>
2211
2212         * expmed.c (init_expmed): A signed modulus by a power of two is
2213         considered cheap if its less than or equal to four instructions.
2214
2215 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2216
2217         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
2218         GGC_CNEWVAR): New macros.
2219
2220 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
2221
2222         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
2223         lists.
2224         * c-decl.c: Likewise.
2225         * c-format.c: Likewise.
2226         * c-lex.c: Likewise.
2227         * c-opts.c: Likewise.
2228         * c-pragma.c: Likewise.
2229         * c-typeck.c: Likewise.
2230         * gencheck.c: Likewise.
2231         * genconditions.c: Likewise.
2232         * genconfig.c: Likewise.
2233         * genflags.c: Likewise.
2234         * gengtype.c: Likewise.
2235         * gensupport.c: Likewise.
2236         * ggc-none.c: Likewise.
2237         * langhooks.c: Likewise.
2238         * statistics.h: Likewise.
2239         * stub-objc.c: Likewise.
2240         * java/decl.c: Likewise.
2241
2242 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
2243
2244         * config/m68k/m68k.c (output_scc_di): Fix coding style.
2245         (symbolic_operand): Fix prototype.
2246         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
2247         * config/m68k/m68k.md: Add constants for registers a0 and sp and
2248         use them, change from the "{...}" syntax to the simpler {...}
2249         syntax.
2250         (*cfv4_extendqisi2): Fix destination predicate.
2251         * config/m68k/m68k-protos.h: Remove various declarations also
2252         generated via PREDICATE_CODES.
2253
2254 2004-07-23  Mike Stump  <mrs@apple.com>
2255
2256         * c-typeck.c (convert_for_assignment): Tightened up pointer
2257         converstions that differ in signedness.
2258
2259 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
2260
2261         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
2262
2263 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2264
2265         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
2266         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
2267
2268         * gimplify.c (gimplify_compound_lval): Check for no handled
2269         operations, rather than checking for explicit list of nodes.
2270         (is_gimple_addr_expr_arg_or_indirect): New function.
2271         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
2272         redundant setting of TREE_INVARIANT.
2273         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
2274         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
2275
2276 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
2277
2278         PR tree-optimization/16688
2279         PR tree-optimization/16689
2280         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
2281         unnecessary initialization of 'tag'.
2282         (get_tmt_for): Check that the new type tag has the same alias
2283         set as the pointed-to type.
2284         (group_aliases): Only regular variables need to be removed
2285         from the alias set of a name tag.
2286         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
2287         propagation if the two types are not compatible.
2288         (merge_alias_info): Rename from replace_ssa_names_ann.
2289         Add more checking.
2290         (replace_exp_1): If both arguments are SSA_NAMEs, check that
2291         the propagation can be done.
2292         Only call merge_alias_info on pointers.
2293         (propagate_value): Likewise.
2294         * tree-ssa-copyrename.c: Include langhooks.h.
2295         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
2296         to do the merging.
2297         Do not coalesce variables with incompatible types.
2298         (rename_ssa_copies): Call replace_ssa_name_symbol.
2299         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
2300         the same type as the underlying _DECL.
2301         * tree-ssanames.c (replace_ssa_name_symbol): New function.
2302         * tree.h (replace_ssa_name_symbol): Declare.
2303
2304 2004-07-23  Richard Henderson  <rth@redhat.com>
2305
2306         PR c++/16277
2307         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
2308         unshare it properly.
2309         (gimplify_modify_expr_rhs): Push assignment from a conditional into
2310         the conditional for all non-register types.
2311
2312 2004-07-23  Richard Henderson  <rth@redhat.com>
2313
2314         * expr.c (expand_expr_real_1): Don't handle non-local variables.
2315         * expr.h (fix_lexical_addr): Remove.
2316         * function.c (NEED_SEPARATE_AP): Remove.
2317         (fix_lexical_addr): Remove.
2318         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
2319         not null decl_function_context.
2320         (create_alias_vars): Likewise.
2321         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
2322         (simple_goto_p): Likewise.
2323         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
2324         * tree-ssa-ccp.c (get_default_value): Likewise.
2325         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2326         * tree.c (needs_to_live_in_memory): Likewise.
2327         * tree-flow-inline.h (may_be_aliased): Move...
2328         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
2329         when TREE_STATIC variables may be addressable.
2330
2331 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
2332
2333         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
2334
2335 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
2336
2337         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
2338         bitmap contents if GENERATOR_FILE is defined.
2339         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
2340         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
2341
2342 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
2343
2344         * c-decl.c (start_function): Form composite type of function types
2345         rather than copying type from previous prototype declaration.
2346
2347 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
2348
2349         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
2350         the const qualifier for the second argument in the C++ functions.
2351
2352         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
2353         specific pointer types.
2354
2355         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
2356         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
2357         for vector bool and/or vector pixel, add C++ and C missing support.
2358         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
2359         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
2360         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
2361         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
2362         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
2363         missing C++ and C support for vector bool and/or vector pixel.
2364         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
2365         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
2366         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
2367         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
2368         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
2369         C++ and C types used for vector bool and/or vector pixel.
2370         (vec_st, vec_stl): Add C++ support for vector pixel.
2371         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
2372         (vec_all_ne): Add C++ support for vector pixel.
2373
2374         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
2375         (vec_vmulesb): Add missing C++ function.
2376         (vec_perm): Fix type of third argument in C++ function.
2377         (vec_vsum4shs): Fix C++ function name.
2378         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
2379         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
2380         argument passed to the error handler in C macro.
2381         (vec_nmsub): Remove extra parens around argument names in C macro.
2382         (vec_packpx): Add missing parens in C macro.
2383
2384 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
2385
2386         * machmode.def: Remove vector modes.
2387         * config/alpha/alpha-modes.def: Add supported vector modes.
2388         * config/arm/arm-modes.def: Likewise.
2389         * config/frv/frv-modes.def: Likewise.
2390         * config/i386/i386-modes.def: Likewise.
2391         * config/rs6000/rs6000-modes.def: Likewise.
2392         * config/sh/sh-modes.def: Likewise.
2393
2394 2004-07-23  Matthias Klose  <doko@debian.org>
2395
2396         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
2397         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
2398         * config.h: Regenerate.
2399         * configure: Likewise.
2400
2401 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
2402
2403         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
2404         generated SYMBOL_REFs for labels.
2405         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
2406         Change prototype.
2407         (machopic_stub_name): Remove.
2408         (machopic_indirection_name): New function.
2409         (machopic_mcount_stub_name): Likewise.
2410         (machopic_classify_name): Remove.
2411         (machopic_function_base_sym): New function.
2412         (machpoic_classify_symbol): Likewise.
2413         (machopic_classify_ident): Remove.
2414         (machopic_define_ident): Likewise.
2415         (machopic_define_name): Likewise.
2416         (machopic_name_defined_p): Likewise.
2417         (machopic_ident_defined_p): Likewise.
2418         (darwin_strip_name_encoding): Likewise.
2419         (machopic_define_symbol): New function.
2420         * config/darwin.c (hashtab.h): Include.
2421         (machopic_defined_list): Remove.
2422         (machopic_classify_ident): Likewise.
2423         (machopic_classify_name): Likewise.
2424         (machopic_ident_defined_p): Likewise.
2425         (machopic_define_ident): Likewise.
2426         (machopic_define_name): Likewise.
2427         (machopic_symbol_defined_p): New function.
2428         (machopic_classify_symbol): Likewise.
2429         (machopic_data_defined_p): Use machopic_classify_symbol.
2430         (machopic_define_symbol): New function.
2431         (machopic_function_base_sym): New function.
2432         (machopic_non_lazy_pointers): Remove.
2433         (machopic_non_lazy_ptr_name): Likewise.
2434         (machopic_stubs): Likewise.
2435         (machopic_stub_name): Likewise.
2436         (NON_LAZY_POINTER_SUFFIX): New macro.
2437         (STUB_SUFFIX): Likewise.
2438         (machopic_indirection): New structure.
2439         (machopic_indirections): New variable.
2440         (machopic_indirection_hash): New function.
2441         (machopic_indirection_eq): Likewise.
2442         (machopic_indirection_name): Likewise.
2443         (machopic_mcount_stub_name): New function.
2444         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
2445         hash table.
2446         (machopic_indirect_data_reference): Rework to use new functions.
2447         (machopic_indirect_call_target): Likewise.
2448         (machopic_legitimize_pic_address): Likewise.
2449         (machopic_output_indirection): New function.
2450         (machopic_finish): Use it.
2451         (machopic_operand_p): Rework to use new functions.
2452         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
2453         (darwin_strip_name_encoding): Remove.
2454         (update_non_lazy_ptrs): Remove.
2455         (update_stubs): Likewise.
2456         (darwin_non_lazy_pcrel): Use new functions.
2457         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
2458         (ASM_OUTPUT_LABELREF): Likewise.
2459         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2460         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
2461         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
2462         (TARGET_STRIP_NAME_ENCODING): Do not use
2463         darwin_strip_name_encoding.
2464         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
2465         darwin_strip_name_encoding.
2466         * config/i386/darwin.h (FUNCTION_PROFILER): Use
2467         machopic_mcount_stub_name.
2468         * config/i386/i386.c (x86_output_mi_thunk): Use
2469         machopic_indirection_name, not machopic_stub_name.
2470         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
2471         machopic_function_base_sym.
2472         (print_operand): Use machopic_classify_symbol.
2473         (rs6000_emit_prologue): Use machopic_function_base_sym.
2474         (output_profile_hook): Do not use machopic_stub_name.
2475         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
2476
2477 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2478
2479         PR c/7284
2480         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
2481         as multiplication.
2482
2483 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2484
2485         * doc/implement-c.texi: New file.
2486         * doc/extend.texi (C Implementation): Move to there.
2487         * doc/gcc.texi: Include implement-c.texi.
2488         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
2489
2490 2004-07-22  Jason Merrill  <jason@redhat.com>
2491
2492         * integrate.c (copy_decl_for_inlining): Remove invisible reference
2493         handling.
2494         * tree-inline.c (setup_one_parameter): Likewise.
2495
2496 2004-07-22  Brian Booth  <bbooth@redhat.com>
2497
2498         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
2499         (substitute_and_fold): Propigate into VUSE operands when possible.
2500         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
2501         (cp_lattice_meet): Handle merging of latticevalues when
2502         UNKNOWN_VAL is present.
2503         (visit_stmt): Visit assignments with V_MUST_DEFs.
2504         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
2505         (ccp_fold): Deal with RHS' that are constant and virtual.
2506         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
2507         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
2508         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
2509         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
2510         computing immediate uses.
2511         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
2512         transition.
2513         (replace_vuse_in): New function.
2514         (likely_value): Add check of vuse operands.
2515         (get_default_value): Set the default value of virtually defined
2516         variables to UKNOWN_VAL instead of VARYING.
2517
2518 2004-07-22  Richard Henderson  <rth@redhat.com>
2519
2520         * expr.c (emit_push_insn): Don't use set_mem_attributes.
2521
2522 2004-07-22  Richard Henderson  <rth@redhat.com>
2523
2524         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
2525         variables due to conditional compilation.
2526
2527 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
2528
2529         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
2530         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
2531         Release SSA names that have been re-renamed.
2532         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
2533         variable.
2534         * tree-ssa-alias.c (init_alias_info): If aliases have been
2535         computed before, clear existing alias information.
2536         (create_name_tags): Do no fixup PT_ANYTHING pointers.
2537         If the new name tag for a pointer is different than the one it
2538         had before, mark the old tag for renaming.
2539         (replace_may_alias): New function.
2540         (group_aliases): Call it.
2541         (setup_pointers_and_addressables): Always call get_tmt_for.
2542         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
2543         once.
2544         (set_pt_anything): New local function.
2545         (set_pt_malloc): New local function.
2546         (merge_pointed_to_info): Don't merge pointed-to variables from
2547         the original pointer if the destination is pointing to an
2548         unknown location.
2549         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
2550         (add_pointed_to_var): Do not add a variable to the points-to
2551         set if the pointer is already pointing to anywhere.
2552         (collect_points_to_info_r): If the defining statement is a PHI
2553         node, only merge pointed-to information if the argument has
2554         already been visited.
2555         (get_tmt_for): Only create a new tag if the pointer didn't
2556         have one already.
2557         (dump_alias_info): Emit more information.
2558         (dump_points_to_info_for): Likewise.
2559         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
2560         try to get the annotation of an SSA_NAME.
2561         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
2562         alias sets when checking is enabled.
2563         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
2564         (eliminate): Mark basic blocks that will need
2565         EH information cleaned up.
2566         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
2567         predecessor.
2568         Initialize need_eh_cleanup.
2569         (fini_pre): Call tree_purge_all_dead_eh_edges and
2570         cleanup_tree_cfg if needed.
2571         Free need_eh_cleanup.
2572         * tree-ssa.c (verify_ssa_name): New function.
2573         (verify_def): Call it.
2574         Re-arrange to avoid printing too many error messages.
2575         (verify_use): Likewise.
2576         (verify_phi_args): Likewise.
2577         (verify_flow_insensitive_alias_info): New function.
2578         (verify_flow_sensitive_alias_info): New function.
2579         (verify_alias_info): New function.
2580         (verify_ssa): Call verify_alias_info.
2581         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
2582         program.
2583         Re-arrange to avoid printing too many error messages.
2584         * tree-ssanames.c (make_ssa_name): Clear
2585         SSA_NAME_IN_FREE_LIST.
2586         (release_ssa_name): Never release a default definition.
2587         (release_defs): New function.
2588         * tree.h: Declare it.
2589         * tree-ssa-dce.c (remove_dead_stmt): Call it.
2590
2591 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
2592
2593         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
2594         If true, do a depth-first search.  Do a breadht-first search,
2595         otherwise.
2596         (walk_use_def_chains): Add new argument IS_DFS.
2597         Update all users.
2598         * tree-flow.h (walk_use_def_chains): Update prototype.
2599
2600 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
2601
2602         * config/cris/cris.md: Tweak formatting.
2603         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
2604         (mover2side, moverside, movemside, movei, op3, andu): Replace
2605         live define_peephole:s with define_peephole2 near-equivalents.
2606         Delete the rest.
2607         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
2608         word-size modes.
2609         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2610         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
2611         "*mov_sidesi_mem" respectively.
2612
2613 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
2614
2615         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
2616         (gimplify_build1): Move from tree-complex.c do_unop.
2617         (gimplify_build2): Move from tree-complex.c do_binop.
2618         (gimplify_build3): New.
2619         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
2620         Adjust throughout to call the functions above.
2621         * tree-flow.h: Declare the functions above.
2622         * tree-nested.c (gimplify_val): Rename to...
2623         (tsi_gimplify_val): ... this.
2624
2625         * Makefile.in (tree_complex.o): Update dependencies.
2626         (stor-layout.o): Depend on regs.h.
2627         * c-common.c (handle_vector_size_attribute): Update for
2628         vector types without corresponding vector modes.
2629         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
2630         a corresponding vector mode is not available.
2631         * print-tree.c (print_node): Print nunits for vector types
2632         * regclass.c (have_regs_of_mode): New.
2633         (init_reg_sets_1): Initialize it and use it instead
2634         of allocatable_regs_of_mode.
2635         * regs.h (have_regs_of_mode): Declare it.
2636         * stor-layout.c (layout_type): Pick a mode for vector types.
2637         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
2638         build_replicated_const, do_unop, do_binop, do_plus_minus,
2639         do_negate, expand_vector_piecewise, expand_vector_parallel,
2640         expand_vector_addition, expand_vector_operations_1,
2641         expand_vector_operations, tree_lower_operations,
2642         pass_lower_vector_ssa, pass_pre_expand): New.
2643         (expand_complex_operations, pass_lower_complex): Remove.
2644         * tree-optimize.c (init_tree_optimization_passes): Adjust
2645         pass ordering for changes in tree-complex.c.
2646         * tree-pass.h: Declare new passes.
2647         * tree.c (finish_vector_type): Remove.
2648         (make_vector_type): New.
2649         (build_vector_type_for_mode, build_vector_type): Rewritten.
2650         * tree.def (VECTOR_TYPE): Document where the number of
2651         subparts is stored.
2652         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
2653         (make_vector): Remove declaration.
2654
2655 2004-07-21  Richard Henderson  <rth@redhat.com>
2656
2657         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
2658         TREE_THIS_VOLATILE, may_aliases, or optimization level.
2659         (remove_useless_vars): Dump debugging info.
2660         (expand_used_vars): Move ...
2661         * cfgexpand.c (expand_used_vars): ... here.  Make static.
2662         * tree-flow-inline.h (set_is_used): New.
2663         (set_default_def): Use get_var_ann.
2664         * tree-flow.h: Update decls.
2665         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
2666         (create_ssa_var_map): Use it.
2667         * tree-ssa.c (set_is_used): Remove.
2668
2669 2004-07-22  Ben Elliston  <bje@au.ibm.com>
2670
2671         * gdbinit.in: Set a breakpoint on internal_error.
2672
2673 2004-07-21  Richard Henderson  <rth@redhat.com>
2674
2675         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
2676         to create a new basic block.
2677
2678 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2679
2680         PR c/15052
2681         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
2682         return type on function definitions.  Move other warnings for
2683         qualified return type to -Wreturn-type.  Do not condition any such
2684         warnings on -pedantic.  Update comments.
2685         (start_function): Only copy function type from previous prototype
2686         declaration if return types are compatible.
2687         * c-typeck.c (function_types_compatible_p): Don't condition
2688         warning for incompatibility of volatile qualifiers on the return
2689         type on -pedantic.  Update comment.
2690         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
2691
2692 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2693
2694         * c-typeck.c (set_init_index): Require designator to be of integer
2695         type.
2696
2697 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2698
2699         PR c/11250
2700         * c-parse.in (init): Change to exprtype.
2701         (primary): Set original_code for STRING to STRING_CST.
2702         Call maybe_warn_string_init for compound literals.
2703         (initdcl, notype_initdcl): Call maybe_warn_string_init.
2704         (initval): Update.
2705         * c-tree.h (maybe_warn_string_init): New.
2706         (pop_init_level, process_init_element): Use struct c_expr.
2707         (struct c_expr): Update comment.
2708         * c-typeck.c (maybe_warn_string_init): New function.
2709         (digest_init): Call it.  Additional parameter strict_string.  All
2710         callers changed.
2711         (output_init_element): Likewise.
2712         (struct constructor_stack): Use struct c_expr for
2713         replacement_value.
2714         (really_start_incremental_init, push_init_level): Update.
2715         (pop_init_level): Update.  Return struct c_expr.
2716         (process_init_level): Update.  Take struct c_expr argument.
2717
2718 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
2719
2720         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
2721         commit.
2722
2723 2004-07-21  Eric Christopher  <echristo@redhat.com>
2724
2725         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
2726         removal.
2727         * c-decl.c (pop_scope): Ditto.
2728         * calls.c (expand_call): Remove call to current_nesting_level,
2729         update comment accordingly. Remove calls to expand_start_target_temps
2730         and expand_end_target_temps.
2731         * cfgexpand.c (construct_init_block): Remove call to
2732         expand_start_bindings_and_block.
2733         (construct_exit_block): Remove call to expand_end_bindings.
2734         * expr.c (safe_from_p): Remove BIND_EXPR handling.
2735         (expand_expr_real_1): Ditto. Fix formatting.
2736         (expand_vars): Delete.
2737         * stmt.c (POPSTACK): Remove block_stack.
2738         (stmt_status): Remove x_block_stack.
2739         (block_stack): Delete.
2740         (expand_start_bindings_and_block): Ditto.
2741         (expand_start_target_temps): Ditto.
2742         (expand_end_target_temps): Ditto.
2743         (current_nesting_level): Ditto.
2744         (warn_about_unused_variables): Ditto.
2745         (expand_end_bindings): Ditto.
2746         * tree.h: Remove declarations for above.
2747
2748 2004-07-21  Steven Bosscher  <stevenb@suse.de>
2749
2750         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
2751         * rtl.c (note_insn_name): Likewise.
2752         * print-rtl.c (print_rtx): Don't print it.
2753         * cfgrtl.h (can_delete_note_p): Don't handle it.
2754         (rtl_delete_block): Likewise.
2755         * passes.c (rest_of_handle_guess_branch_prob): Remove.
2756         (rest_of_compilation): Don't call it.
2757         * predict.c (process_note_predictions, process_note_prediction,
2758         note_prediction_to_br_prob): Remove.
2759         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
2760         * stmt.c (return_prediction): Remove.
2761         (expand_value_return): Don't call it.  Don't add prediction
2762         notes for return statements.
2763
2764 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
2765
2766         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
2767         once.
2768
2769 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
2770
2771         * c-common.c (vector_types_convertible_p): Use vector types'
2772         TYPE_SIZE and TREE_TYPE instead of their mode.
2773         * convert.c (convert_to_integer): Likewise.
2774         (convert_to_vector): Likewise.
2775         * fold-const.c (fold_convert): Likewise.
2776         * varasm.c (output_constant): Likewise.
2777         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
2778         Allow a VECTOR_TYPE initializer to be made of several vectors.
2779         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
2780         of cleared and need_to_clear, and use fold_convert.
2781         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
2782         integer vectors.
2783
2784 2004-07-20  Richard Henderson  <rth@redhat.com>
2785
2786         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
2787         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
2788
2789 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
2790
2791         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
2792         enormous cost if not TARGET_HARD_MUL.
2793
2794 2004-07-20  Andrew Pinski  <apinski@apple.com>
2795
2796         PR target/16557
2797         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
2798         (ASM_SPEC): here.
2799
2800 2004-07-21  Paul brook  <paul@codesourcery.com>
2801
2802         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
2803
2804 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2805
2806         * fold-const.c (operand_equal_p): Temporarily support NULL args.
2807         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
2808         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
2809
2810 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
2811
2812         * rtl.h (plus_constant): Delete.
2813         (plus_constant_wide): Rename to plus_constant.
2814         (plus_constant_for_output_wide): Delete vestigial prototype.
2815         (GEN_INT): Remove unnecessary cast.
2816         * tree.h (build_int_2, size_int_type): Delete.
2817         (build_int_2_wide): Rename to build_int_2.
2818         (size_int_wide): Rename to size_int_kind.
2819         (size_int_type_wide): Rename to size_int_type.
2820         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
2821         Remove unnecessary cast.
2822         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
2823         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
2824         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
2825         (size_int_type_wide): Rename size_int_type.
2826         (int_const_binop): Use size_int_type.
2827         * c-lex.c (interpret_integer): Use build_int_2.
2828         * final.c (split_double): Remove unnecessary casts.
2829         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
2830
2831 2004-07-20  Richard Henderson  <rth@redhat.com>
2832
2833         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
2834         (gimplify_compound_lval): Use is_gimple_tmp_reg.
2835         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
2836         (is_gimple_tmp_reg): New.
2837         * tree-gimple.h (is_gimple_tmp_reg): Declare.
2838
2839 2004-07-20  Richard Henderson  <rth@redhat.com>
2840
2841         * tree-pretty-print.c (dump_generic_node): Dump
2842         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
2843
2844 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
2845
2846         * tree-mudflap.c (mf_set_options_fndecl): New tree.
2847         (mudflap_init): Set it.
2848         (mudflap_register_call): Remove __mf_init call.
2849         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
2850         to pass "-ignore-reads" option to libmudflap if needed.
2851
2852 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
2853
2854         PR c++/14607
2855         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
2856         (MAKE_DECL_ONE_ONLY): Undefine.
2857         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
2858         readonly_data, one_only_data_section, forget_section): New prototypes.
2859         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
2860         functions.
2861         (pa_select_section): Add one-only (COMDAT) support.
2862         * pa.h (struct machine_function): Define.
2863         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
2864         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
2865         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
2866         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
2867         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
2868         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
2869         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
2870         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
2871         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
2872         for EXTRA_SECTION_FUNCTIONS.
2873         * doc/install.texi: Update binutils requirements.
2874
2875 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2876
2877         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
2878         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
2879         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
2880         size_t.
2881         (struct VEC): Use unsigned for num and alloc.
2882         * vec.c (struct vec_prefix): Likewise.
2883         (vec_o_reserve): Adjust.
2884
2885         * dbxout.c (dbxout_type): Fix printf format.
2886
2887         * tree.h (binfo_member): Remove.
2888         * tree.c (binfo_member): Remove.
2889
2890 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
2891
2892         * tree.h: Include vec.h
2893         (DEF_VEC_P(tree)): New type.
2894         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
2895         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
2896         (BINFO_LANG_SLOT): Remove.
2897         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
2898         (struct tree_binfo): Turn base_binfos into a trailing
2899         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
2900         (binfo_lang_slots): Remove.
2901         * tree.c (binfo_lang_slots): Remove.
2902         (make_tree_binfo_stat): Take a base binfo count, not a
2903         lang slot count.  Adjust.
2904         * Makefile.in (TREE_H): Add vec.h
2905         * alias.c (record_component_aliases): Adjust BINFO access.
2906         * dbxout.c (dbxout_type): Likewise.
2907         * dwarf2out.c (gen_member_die): Likewise.
2908         * sdbout.c (sdbout_one_type): Likewise.
2909         * tree-dump.c (deque_and_dump): Likewise.
2910         * config/i386/i386.c (classify_argument,
2911         contains_128bit_aligned_vector_p): Likewise.
2912         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
2913         * doc/c-tree.texi (Classes): Update BINFO documentation.
2914
2915 2004-07-20  Steven Bosscher  <stevenb@suse.de>
2916
2917         * c-common.h (check_case_value): Remove prototype.
2918         (c_add_case_label): Adjust prototype.
2919         * c-common.c (check_case_value): Make static.
2920         (check_case_bounds): New function.
2921         (c_add_case_label): Use it.  Take new argument orig_type.
2922         * c-typeck.c (struct c_switch): New orig_type field.
2923         (c_start_case): Set it.
2924         (do_case): Pass it to c_add_case_label.
2925         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
2926         cases from here.  Add the labels in reverse order.
2927         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
2928         (add_case_node): Return nothing, don't check for duplicate cases.
2929         Insert new case nodes in a list, not in an AVL tree.
2930         (expand_end_case_type): Don't turn a case tree into a case list.
2931         (case_tree2list): Remove.
2932         * tree.h (add_case_node): Adjust prototype.
2933
2934 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
2935
2936         * genattr.c (struct range, struct function_unit,
2937         write_units, extend_range, init_range): Remove them.
2938         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
2939         Output "#define INSN_SCHEDULING" here.
2940         * genattrtab.c (struct range, struct function_unit_op,
2941         struct function_unit, struct dimension, enum operator,
2942         operate_exp, expand_units, simplify_knowing,
2943         encode_units_mask, simplify_by_exploding,
2944         find_and_mark_used_attributes, unmark_used_attributes,
2945         add_values_to_cover, increment_current_value,
2946         test_for_current_value, simplify_with_current_value,
2947         simplify_with_current_value_aux, gen_unit,
2948         write_unit_name, write_function_unit_info,
2949         write_complex_function, write_toplevel_expr,
2950         find_single_value, extend_range): Remove.
2951         (write_attr_get): Do not handle common_av->value
2952         being an FFS.
2953         (struct attr_desc): Remove func_units_p and blockage_p.
2954         (write_attr_valueq): Do not handle them.
2955         (find_attr): Do not clear them.
2956         (make_internal_attr): Do not initialize them.
2957         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
2958         * sched-vis.c (init_target_units, insn_print_units,
2959         init_block_visualization, print_block_visualization,
2960         visualize_scheduled_insns, visualize_no_unit,
2961         visualize_stall_cycles, visualize_alloc,
2962         visualize_free, target_units, get_visual_tbl_length,
2963         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
2964         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
2965         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
2966         * haifa-sched.c (blockage_range, clear_units,
2967         schedule_unit, actual_hazard, potential_hazard,
2968         insn_unit, unit_last_insn, unit_tick,
2969         actual_hazard_this_instance, potential_hazard,
2970         schedule_unit, max_insn_queue_index_value): Remove.
2971         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
2972         max_insn_queue_index.
2973         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
2974         * doc/md.texi (Processor pipeline description): Remove
2975         references to old pipeline descriptions.
2976         (Automaton pipeline description): Merge with the above.
2977         (Old pipeline description, Comparison of the two descriptions):
2978         Remove.
2979
2980         * bt-load.c (migrate_btr_def): Remove references to
2981         use_pipeline_interface.
2982         * haifa-sched.c (insn_cost, schedule_insn,
2983         schedule_block, advance_one_cycle, sched_init,
2984         queue_to_ready, sched_finish): Likewise.
2985         * modulo-sched.c (sms_schedule, advance_one_cycle,
2986         ps_has_conflicts): Likewise.
2987         * sched-rgn.c (init_ready): Likewise.
2988         (debug_dependencies): Likewise, and remove an "if (1)".
2989         * target.h (use_dfa_pipeline_interface): Remove.
2990         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2991         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2992         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2993         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2994         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2995         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2996         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2997         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2998         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
2999         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3000         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3001         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3002         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3003         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3004         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3005         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3006         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3007         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3008         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
3009
3010 2004-07-19  Roger Sayle  <roger@eyesopen.com>
3011
3012         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
3013
3014 2004-07-19  Jeff Law  <law@redhat.com>
3015
3016         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
3017         (get_eq_expr_value): Use it.  Simplify slightly.
3018
3019 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
3020
3021         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
3022         (umulsidi3_32bit_r4000): Likewise.
3023
3024 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
3025
3026         * vec.h: Propagate location information properly.
3027         (VEC_T_iterate): Add result pointer parameter.
3028         (VEC_T_space): New.
3029         (VEC_T_reserve): Use it.
3030
3031 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
3032
3033         * Makefile.in (c-format.o): Depend on c-format.h.
3034         * c-format.h: New file.
3035         (struct format_char_info): Add CHAIN member.
3036         * c-format.c: Move some types and constants to c-format.h.
3037         (format_type_error): Set to -1.
3038         (struct function_format_info): Use an int for format_type.
3039         (decode_format_type): Return an int.  Return format_type_error
3040         on error.
3041         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
3042         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
3043         (scan_char_table, time_char_table, monetary_char_table): Initialize
3044         CHAIN to NULL.
3045         (n_format_types): New variable.
3046         (check_format_info_main): Handle CHAIN in format_char_info.
3047         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
3048         TARGET_N_FORMAT_TYPES.
3049         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
3050         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
3051         * config/sol2-c.c: New file.
3052         * config/t-sol2: New file.
3053         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
3054         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
3055         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
3056
3057         * doc/extend.texi (Target Format Checks): New section.
3058         (Function Attributes): Mention it.
3059         * doc/invoke.texi: Mention target format checks.
3060         * doc/sourcebuild.texi: Mention target format checks.
3061         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
3062         TARGET_FORMAT_TYPES.
3063
3064 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3065
3066         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
3067         added.
3068         * config/s390/s390.c (regclass_map initializer): Register 35 added to
3069         ADDR_REGS.
3070         (load_multiple_operation, store_multiple_operation): Removed
3071         pointless sanity check.
3072         (s390_decompose_address): Added check for return_address_pointer_rtx.
3073         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
3074         (s390_return_address_offset): New function.
3075         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
3076         (FRAME_REGNO_P): Added check for register 35.
3077         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
3078         REG_ALLOC_ORDER): Appended entry for register 35.
3079         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
3080         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
3081         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
3082         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
3083         is eliminable using stack pointer or hard frame pointer.
3084         (REGISTER_NAMES): Added name for register 35.
3085         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
3086         pointless sanity check.
3087
3088 2004-07-19  Roger Sayle  <roger@eyesopen.com>
3089
3090         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
3091         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
3092         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
3093         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
3094         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
3095         (fold_relational_const): Tidy up handling of floating point
3096         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
3097         transformation; fold_relational_const assumes constant operands.
3098
3099 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
3100
3101         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
3102         directory.
3103
3104 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
3105
3106         * c-tree.h (struct c_expr): Define.
3107         (C_SET_EXP_ORIGINAL_CODE): Remove.
3108         (parser_build_binary_op, build_compound_expr): Update prototypes.
3109         * c-parse.in (%union): Add exprtype.
3110         (FUNC_NAME): Mark as ttype.
3111         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
3112         exprtype.
3113         (expr): Update.  Define directly in terms of expr_no_commas
3114         instead of using nonnull_exprlist.
3115         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
3116         offsetof_member_designator, typespec_nonreserved_nonattr, init,
3117         initval, designator, component_declarator,
3118         component_notype_declarator, enumerator, array_declarator,
3119         condition, exexpr, switch_statement, stmt_nocomp, stmt,
3120         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
3121         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
3122         where appropriate.
3123         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
3124         * c-common.c (c_common_truthvalue_conversion): Don't check
3125         C_EXP_ORIGINAL_CODE.
3126         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
3127         Don't use C_EXP_ORIGINAL_CODE.
3128         (default_conversion, default_function_array_conversion): Don't use
3129         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
3130         (internal_build_compound_expr): Merge into build_compound_expr.
3131         (build_compound_expr): Take two operands instead of a TREE_LIST.
3132         * objc/objc-act.c (get_super_receiver): Update calls to
3133         build_compound_expr.
3134
3135 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
3136
3137         * config/sh/sh.c (sh_use_dfa_interface): Remove.
3138         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
3139         hook_int_void_1.
3140         * config/sh/sh.md: Extract pipeline descriptions
3141         into separate files.
3142         * config/sh/sh1.md: New file, extracted from sh.md.
3143         * config/sh/sh4.md: New file, extracted from sh.md.
3144         * config/sh/shmedia.md: New file, extracted from sh.md
3145         and rewritten using new-style pipeline description.
3146
3147 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
3148
3149         * config/pa/pa.md: Delete the two remaining define_peephole
3150         patterns.
3151
3152 2004-07-18  Steven Bosscher  <stevenb@suse.de>
3153             Joseph S. Myers  <jsm@polyomino.org.uk>
3154
3155         * c-common.c (c_common_truthvalue_conversion): Don't warn if
3156         TREE_NO_WARNING is set.
3157
3158 2004-07-18  Roger Sayle  <roger@eyesopen.com>
3159
3160         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
3161         simplify_builtin_strncmp): Delete.
3162         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
3163         Change argument to accept an arglist instead of an "exp".  Assume
3164         that the return type is always integer_type_node.  Copy missing
3165         transformations from their now obsolete simplify_builtin_*
3166         equivalents.
3167         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
3168         fold_builtin_strcmp and fold_builtin_strncmp.
3169         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
3170         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
3171         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
3172
3173 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
3174
3175         * Makefile.in (tree-alias-common.o): Update dependencies.
3176
3177 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
3178
3179         * cfgloop.c (flow_loop_nested_p): Fix comment.
3180
3181 2004-07-17  Jason Merrill  <jason@redhat.com>
3182
3183         PR c++/16115
3184         * stor-layout.c (relayout_decl): New fn.
3185         * tree.h: Declare it.
3186         (DECL_BY_REFERENCE): New macro.
3187
3188 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
3189
3190         * libgcc2.c (__enable_execute_stack): New symbol.
3191         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
3192         and declare __enable_execute_stack.
3193         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
3194         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
3195         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3196         ENABLE_EXECUTE_STACK.
3197         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
3198         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3199         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3200         ENABLE_EXECUTE_STACK.
3201         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3202         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
3203         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3204         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
3205         ENABLE_EXECUTE_STACK.
3206         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3207         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3208         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3209         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
3210         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
3211         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
3212         (sparc64_initialize_trampoline): Likewise.
3213         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
3214
3215 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
3216
3217         * langhooks.h (builtin_function): New langhook.
3218         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
3219         (LANG_HOOKS_INITIALIZER): Update.
3220         * tree.h (builtin_function): Remove.
3221         * doc/tm.texi: Update.
3222         * c-tree.h (builtin_function): Declare.
3223         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
3224         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
3225         config/ia64/ia64.c, config/iq2000/iq2000.c,
3226         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
3227         config/stormy16/stormy16.c: All callers of builtin_function
3228         changed.
3229
3230 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
3231
3232         PR target/16556
3233         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
3234         Remove white space after the backslash.
3235
3236 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3237
3238         PR rtl-optimization/16294
3239         * resource.c (return_insn_p): New predicate.
3240         (mark_target_live_regs): Use it.  Special-case return insns.
3241         (init_resource_info): Use it.  Don't scan the epilogue past
3242         a return.
3243
3244 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3245
3246         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
3247         destroy dominance information.
3248         * passes.c (rest_of_handle_loop2):  Free dominance information.
3249         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
3250         jump threading.
3251         (thread_jumps): Update dominance information and remove unreachable
3252         blocks.
3253         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
3254         information and remove the unreachable block.
3255
3256 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
3257
3258         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
3259
3260 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
3261
3262         * doc/sourcebuild.texi: Remove libf2c entry.
3263
3264 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
3265
3266         * config/i386/i386.md (movv16qi_internal): Fix typo.
3267
3268 2004-07-17  Steven Bosscher  <stevenb@suse.de>
3269
3270         * final.c (final_scan_insn): Fix broken commit from previous
3271         patch.
3272
3273 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
3274
3275         * c-typeck.c (parser_build_binary_op): Condition warnings for
3276         X<=Y<=Z on -Wparentheses instead of -Wextra.
3277         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
3278         supported for C only.
3279
3280 2004-07-17  Steven Bosscher  <stevenb@suse.de>
3281
3282         * cfgcleanup.c (try_simplify_condjump): Don't remove line
3283         notes to avoid unreachable code warnings.
3284         * toplev.c (backend_init): Don't emit line notes for
3285         unreachable code warnings.
3286
3287         * combine.c (distribute_notes): Don't distribute a
3288         REG_VTABLE_REF note.
3289         * final.c (final_scan_insn): Don't handle it.
3290         * rtl.c (reg_note_name): Remove it.
3291         * rtl.h (enum reg_node): Dito.
3292
3293         * emit-rtl.c (force_line_numbers, restore_line_number_status):
3294         Remove.
3295         * rtl.h (force_line_numbers, restore_line_number_status):
3296         Remove prototypes.
3297
3298         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
3299         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
3300         (using_eh_for_cleanups): Also moved here.
3301
3302         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
3303         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
3304         to expand_start_case and add_case_node.
3305         * stmt.c (struct nesting): Cleanup unused fields condition_code,
3306         last_unconditional_cleanup, nominal_type, printname, and
3307         line_number_status.
3308         (struct fixup_goto): Remove.
3309         (struct stmt_status): Remove x_goto_fixup_chain field.
3310         (goto_fixup_chain): Remove.
3311         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
3312         pushcase, pushcase_range): Remove.
3313         (expand_start_bindings_and_block): Don't set unused fields in
3314         the nesting stack.
3315         (expand_start_case, add_case_node): Cleanup unused formal arguments.
3316         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
3317         instead of emit_jump_if_reachable.
3318         (emit_case_nodes): Likewise.
3319         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
3320         static.
3321         (update_eh_label): Work around left-over exception handing regions.
3322         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
3323         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
3324         (pass_cleanup_cfg_post_optimizing): New pass.
3325         (init_tree_optimization_passes): Run the new pass after all
3326         optimizations.
3327         * tree.h (pushcase, pushcase_range): Remove prototypes.
3328         (expand_start_case, add_case_node): Update prototypes.
3329
3330 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
3331
3332         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
3333
3334 2004-07-16  Richard Henderson  <rth@redhat.com>
3335
3336         * builtins.c (std_expand_builtin_va_arg): Remove.
3337         (expand_builtin_va_arg): Remove.
3338         * expr.h: Don't declare them.
3339         * gimplify.c (mark_decls_volatile_r): Remove.
3340         (copy_if_shared_r): Don't call it.
3341         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
3342         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
3343         * gimple-low.c (lower_stmt): Likewise.
3344         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
3345         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
3346         * tree-ssa-operands.c (get_expr_operands): Likewise.
3347         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
3348         EXPAND_BUILTIN_VA_ARG.
3349         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
3350         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
3351         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
3352         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
3353
3354 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
3355
3356         * tree-ssa-pre.c (insert_aux): Break out if we hit
3357         a critical edge.
3358
3359 2004-07-16  Richard Henderson  <rth@redhat.com>
3360
3361         * basic-block.h (remove_fake_exit_edges): Declare.
3362         * cfganal.c (remove_fake_predecessors): Rename from
3363         remove_fake_successors; iterate over predecessors.
3364         (remove_fake_exit_edges): New.
3365         * cfgcleanup.c (try_optimize_cfg): Use it.
3366         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
3367         * predict.c (estimate_probability): Likewise.
3368         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
3369         * tree-cfg.c (make_edges): Likewise.
3370         * tree-ssa-pre.c (fini_pre): Likewise.
3371         * profile.c (instrument_edges): Don't remove_fake_edges.
3372         (branch_prob): Do it earlier here.
3373
3374 2004-07-16  Richard Henderson  <rth@redhat.com>
3375
3376         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
3377         switchification wrt CONSTRUCTOR.  Document the reason.
3378
3379 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
3380
3381         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
3382         that prevented descriptive __mf_check source location strings.
3383
3384 2004-07-16  Richard Henderson  <rth@redhat.com>
3385
3386         * tree-def (WITH_SIZE_EXPR): New.
3387         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
3388         * expr.c (expand_expr_real_1): Likewise.
3389         * gimplify.c (maybe_with_size_expr): New.
3390         (gimplify_arg, gimplify_modify_expr): Use it.
3391         (gimplify_modify_expr_to_memcpy): Take size parameter.
3392         (gimplify_modify_expr_to_memset): Likewise.
3393         (gimplify_expr): Handle WITH_SIZE_EXPR.
3394         * tree-alias-common.c (find_func_aliases): Likewise.
3395         * tree-eh.c (tree_could_trap_p): Likewise.
3396         (tree_could_throw_p): Likewise.
3397         * tree-gimple.c (is_gimple_lvalue): Likewise.
3398         (get_call_expr_in): Likewise.
3399         * tree-inline.c (estimate_num_insns_1): Likewise.
3400         (expand_calls_inline): Likewise.
3401         * tree-nested.c (convert_call_expr): Likewise.
3402         * tree-pretty-print.c (dump_generic_node): Likewise.
3403         * tree-sra.c (sra_walk_expr): Likewise.
3404         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3405         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
3406         * tree-ssa-operands.c (get_expr_operands): Likewise.
3407         * tree-tailcall.c (find_tail_calls): Likewise.
3408
3409         * calls.c (expand_call): Reset old_stack_allocated after
3410         calling emit_stack_restore.
3411
3412 2004-07-16  Richard Henderson  <rth@redhat.com>
3413
3414         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
3415         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
3416         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
3417         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
3418         copy_res_decl_for_inlining.
3419
3420         * tree-inline.c (declare_return_variable): New modify_dest argument.
3421         Use it as the return value, when possible or manditory.  Handle
3422         TREE_ADDRESSABLE types.
3423         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
3424         replacement of CALL_EXPR.
3425
3426 2004-07-16  Richard Henderson  <rth@redhat.com>
3427
3428         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
3429         * gimple-low.c (expand_var_p): Don't check it.
3430         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
3431         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
3432         * tree-ssa-operands.c (add_stmt_operand): Likewise.
3433         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
3434         (find_referenced_vars): Don't call them.
3435         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
3436
3437 2004-07-16  Richard Henderson  <rth@redhat.com>
3438
3439         * function.c (pass_by_reference): True for all variable sized types.
3440
3441 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
3442
3443         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
3444         * tree-pretty-print.c: Include tree-chrec.h.
3445         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
3446         and POLYNOMIAL_CHREC nodes.
3447
3448 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
3449
3450         * builtins.c (expand_builtin_stpcpy): Do not create temporary
3451         reg with VOIDmode.
3452
3453 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
3454
3455         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
3456
3457 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
3458
3459         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
3460         to BASE_REGNUM.
3461         * config/s390/s390.c: Likewise.
3462         * config/s390/s390.h: Likewise.
3463
3464 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3465
3466         * config/mips/mips.md (addsi3, adddi3): Remove special handling
3467         of $sp adds.  Remove REGNO checks from mips16 patterns.
3468
3469 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3470
3471         * config/mips/mips.md: Delete outdated comment.
3472
3473 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3474
3475         * config/mips/mips.c (get_float_compare_codes): Delete.
3476         (mips_emit_compare): New function, mostly extracted from
3477         get_float_compare_codes and gen_conditional_branch.
3478         (gen_conditional_branch, gen_conditional_move): Use it.
3479
3480 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
3481
3482         * genautomata.c (add_vect): Speedup by using integers as
3483         bit-vectors for walking through the comb_vect and finding
3484         a match.
3485
3486 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3487
3488         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
3489         operand is an uns_arith_operand; use subtraction otherwise.
3490         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
3491         not just arith_operands.
3492
3493 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3494
3495         * config/mips/mips-protos.h (gen_int_relational): Delete.
3496         (mips_emit_scc): Declare.
3497         * config/mips/mips.c (internal_test): Delete.
3498         (sle_operand, sleu_operand): New functions.
3499         (map_test_to_internal_test, gen_int_relational): Delete.
3500         (mips_emit_binary, mips_relational_operand_ok_p)
3501         (mips_emit_int_relational, mips_zero_if_equal)
3502         (mips_emit_scc): New functions.
3503         (gen_conditional_branch): Rework to use mips_emit_int_relational.
3504         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
3505         sleu_operand.
3506         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3507         (sltu, sleu): Use mips_emit_scc.
3508         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
3509         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
3510         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
3511
3512 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3513
3514         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
3515
3516 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3517
3518         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
3519         (*sne_[sd]i): Likewise sne_[sd]i_zero.
3520         (*sgt_[sd]i): ...and sgt_[sd]i.
3521         (*slt_[sd]i): ...and slt_[sd]i.
3522         (*sgtu_[sd]i): ...and sgtu_[sd]i.
3523         (*sltu_[sd]i): ...and sltu_[sd]i.
3524         (*sleu_[sd]i): ...and sleu_[sd]i_const.
3525         Name previously unnamed mips16 patterns.  Formatting fixes.
3526
3527 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3528
3529         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
3530         (branch_type): Delete.
3531         (gen_conditional_branch, gen_conditional_move)
3532         (mips_gen_conditional_trap): Update after name change.  Get the
3533         comparison mode from cmp_operands[0].
3534         * config/mips/mips.h (cmp_type, branch_type): Delete.
3535         (cmp_operands): Renamed from branch_cmp.
3536         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
3537         name change.  Don't set branch_type.
3538         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
3539         mode class of cmp_operands[0] rather than branch_type.  Update after
3540         name change.
3541
3542 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3543
3544         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
3545         of 0...255 to 0 when inside a SET.
3546
3547 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
3548
3549         * config/mips/mips.md: Remove mips16 define_peepholes.
3550
3551 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
3552
3553         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
3554         (fini_pre): Remove fake edges.
3555
3556 2004-07-15  Richard Henderson  <rth@redhat.com>
3557
3558         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
3559         (get_indirect_ref_operands, get_call_expr_operands): ... these.
3560
3561 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
3562
3563         * vec.h (VEC_address): New function.
3564
3565 2004-07-14  Jason Merrill  <jason@redhat.com>
3566
3567         PR middle-end/15885
3568         * gimplify.c (gimplify_arg): New fn, split out from...
3569         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
3570
3571 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
3572
3573         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
3574         generate code which is generated by pushqi1 now
3575         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
3576
3577 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
3578
3579         * combine.c (simplify_set): match the mode of the constant 0 with
3580         the tested operand to match the compare behaviour and the
3581         simplify_relational_operation() expectation.
3582
3583 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
3584
3585         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
3586         ("bordered"): Same.
3587
3588 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
3589
3590         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
3591         unconditionally.
3592         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
3593
3594 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
3595
3596         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
3597         calls in mips16 code.
3598
3599 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
3600
3601         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
3602         the destination of the li as well as for the neg.
3603
3604 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
3605
3606         g++/15861
3607         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
3608         * cgraph.h: Update declaration.
3609         * c-decl.c (build_cdtor): Update call with default priority.
3610         * coverage.c (create_coverage): Ditto.
3611         * tree-mudflap.c (mf_init_fndecl): New tree.
3612         (mudflap_init): Set it.
3613         (mudflap_register_call): Arrange to call __mf_init before the first
3614         __mf_register call.
3615         (mudflap_finish_file): Mark the mudflap static initializer as extra
3616         high priority, to beat all C++ static constructors.
3617
3618 2004-07-15  Jeff Law  <law@redhat.com>
3619
3620         * loop.c (check_insn_for_givs): Restore check for code labels that was
3621         accidentally deleted by a recent checkin.
3622
3623 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
3624
3625         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
3626         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
3627
3628 2004-07-14  Richard Henderson  <rth@redhat.com>
3629
3630         * print-tree.c (print_node): Fix casts last change.
3631
3632 2004-07-15  Paul Brook  <paul@codesourcery.com>
3633
3634         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
3635         to TARGET_UNWIND_INFO.
3636         * except.c (output_function_exception_table): Ditto.
3637         * except.h: Ditto.
3638         * opts.c (decode_options): Ditto.
3639         * passes.c (rest_of_handle_final): Ditto.
3640         * final.c (final_start_function): Ditto.
3641         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
3642         target hook.
3643         * targhooks.h (default_unwind_emit): Declare.
3644         * targhooks.c (default_unwind_emit): New function.
3645         * target-def.h: Define and use TARGET_UNWIND_EMIT.
3646         * target.h (struct gcc_target): Add unwind_emit.
3647         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
3648         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
3649         Remove IA64_UNWIND_EMIT.
3650         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
3651
3652 2004-07-14  Richard Henderson  <rth@redhat.com>
3653
3654         * print-tree.c (print_node): Handle SSA_NAME.
3655
3656 2004-07-14  James E Wilson  <wilson@specifixinc.com>
3657
3658         PR target/16325
3659         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
3660         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
3661
3662 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
3663
3664         * expr.c (expand_assignment): Reenable bitfield += optimizations.
3665         Use alias set 0 for memory, do proper mode calculations and adjust
3666         address for memories.
3667
3668 2004-07-14  Per Bothner  <per@bothner.com>
3669
3670         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
3671         structure with extra column field.
3672         * tree.c (expand_location):  Also fill in column field.
3673         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
3674         gets confused by the two conditionally-compiled definitions.
3675
3676 2004-07-14  Eric Christopher  <echristo@redhat.com>
3677
3678         * calls.c (expand_call): Fix typo in comment.
3679
3680 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
3681
3682         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
3683         comparision of TFmode.
3684
3685 2004-07-14  Richard Henderson  <rth@redhat.com>
3686
3687         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
3688         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
3689         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
3690         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3691         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3692         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
3693         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
3694         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3695         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3696
3697 2004-07-14  Mike Stump  <mrs@apple.com>
3698
3699         * config/darwin.h (WINT_TYPE): Define to be int to match
3700         system header files.
3701
3702 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
3703
3704         * config/xtensa/xtensa.c (function_arg_advance): Check for args
3705         that must be passed in the stack.
3706         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
3707         arguments if the size is not a constant.
3708
3709 2004-07-14  Per Bothner  <per@bothner.com>
3710
3711         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
3712         instead of EXPR_LOCUS in a boolean context, which is always true
3713         if --enable-mapped-location.
3714         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
3715
3716 2004-07-14  Richard Henderson  <rth@redhat.com>
3717
3718         * dominance.c (struct dom_info): Add fake_exit_edge.
3719         (init_dom_info): Allocate it.
3720         (free_dom_info): Free it.
3721         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
3722         in two passes.
3723         (calc_idoms): Honor fake_exit_edge.
3724
3725 2004-07-13  Jason Merrill  <jason@redhat.com>
3726
3727         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
3728         (rhs_test_for): New fn.
3729         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
3730         * tree-gimple.h: Declare them.
3731         * gimplify.c (gimplify_modify_expr): Use the new fns.
3732
3733 2004-07-14  Richard Henderson  <rth@redhat.com>
3734
3735         * config/arm/arm-protos.h (arm_va_arg): Remove.
3736         * config/arm/arm.c (arm_va_arg): Remove.
3737         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
3738         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
3739
3740 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3741
3742         * pa.c (fix_range): New function to mark a range(s) of registers as
3743         fixed registers.
3744         (override_options): Call fix_range if the -mfixed-range option string
3745         is not empty.
3746         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
3747         * doc/invoke.texi (-mfixed-range): Document new option.
3748
3749 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
3750
3751         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
3752         for TARGET_64BIT.
3753         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
3754
3755 2004-07-14  Roger Sayle  <roger@eyesopen.com>
3756
3757         * expmed.c (expand_sdiv_pow2): New function to expand signed division
3758         by a positive power of two, split out from expand_divmod.  Provide
3759         an alternate implementation when shifts are expensive.  Lower the
3760         threshold for using a branchless implementation to BRANCH_COST >= 2.
3761         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
3762
3763 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3764
3765         * tree-dfa.c (make_rename_temp): *Really* work just
3766         like create_tmp_var if called while outside SSA form.
3767
3768 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3769
3770         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
3771         for division by zero.
3772         ("umodsi3"): Likewise.
3773
3774 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
3775
3776         * config/mips/mips.c (mips_output_move): When generating mips16 code,
3777         force loads of negative constants to be split.
3778         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
3779         Generalize SImode li/neg splitter to cope with other modes.
3780
3781 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3782
3783         * expmed.c: Remove more references to QUEUED in the comments.
3784         * expr.c: Likewise.
3785
3786 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
3787
3788         Revert:
3789         2004-07-13  Richard Henderson  <rth@redhat.com>
3790         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
3791         correctly.
3792
3793 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3794
3795         * tree-dfa.c (make_rename_temp): Work just like
3796         create_tmp_var if called while outside SSA form.
3797
3798 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
3799
3800         * expr.c (enqueue_insn, finish_expr_for_function,
3801         protect_from_queue, queued_subexp_p, mark_queue,
3802         emit_insns_enqueued_after_mark, emit_queue,
3803         expand_increment): Remove.
3804         (store_constructor): Expand increment as an assignment.
3805         (expand_expr_real_1 <case PREINCREMENT_EXPR,
3806         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
3807         case POSTDECREMENT_EXPR>): Abort.
3808         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
3809         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
3810         protect_from_queue, emit_queue, queued_subexp_p): Remove.
3811         * function.h (pending_chain, x_pending_chain): Remove.
3812         * rtl.def (QUEUED): Remove.
3813
3814         * emit-rtl.c (copy_insn_1, copy_most_rtx,
3815         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
3816         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
3817         encode_units_mask): Likewise.
3818         * local-alloc.c (equiv_init_varies_p): Likewise.
3819         * rtl.c (copy_rtx): Likewise.
3820         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3821         * simplify-rtx.c (simplify_gen_subreg): Likewise.
3822         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
3823
3824         * builtins.c (expand_builtin, expand_builtin_apply,
3825         expand_builtin_mathfn, expand_builtin_mathfn_2,
3826         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
3827         Remove calls to emit_queue and protect_from_queue.
3828         * calls.c (expand_call, precompute_arguments,
3829         precompute_register_parameters, rtx_for_function_call,
3830         store_one_arg): Likewise.
3831         * dojump.c (do_compare_and_jump, do_jump): Likewise.
3832         * explow.c (memory_address): Likewise.
3833         * expmed.c (clear_by_pieces_1, clear_storage,
3834         clear_storage_via_libcall, emit_group_load,
3835         emit_group_store, emit_store_flag,
3836         expand_expr_real_1, store_by_pieces,
3837         store_constructor, store_expr, try_casesi,
3838         try_tablejump): Likewise.
3839         * function.c (expand_pending_sizes): Likewise.
3840         * optabs.c (emit_cmp_and_jump_insns,
3841         emit_conditional_add, emit_conditional_move,
3842         expand_fix, expand_float, prepare_cmp_insn): Likewise.
3843         * stmt.c (emit_case_bit_tests,
3844         expand_asm_expr, expand_computed_goto,
3845         expand_decl_init, expand_end_case_type,
3846         expand_end_stmt_expr, expand_expr_stmt_value,
3847         expand_return, expand_start_case,
3848         optimize_tail_recursion): Likewise.
3849         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3850         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
3851
3852 2004-07-14  Ben Elliston  <bje@au.ibm.com>
3853
3854         * vec.h: Comment fix.
3855
3856 2004-07-13  Richard Henderson  <rth@redhat.com>
3857
3858         * target.h (struct gcc_target): Add calls.pass_by_reference.
3859         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
3860         * function.c (pass_by_reference): Use the hook.
3861         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
3862         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
3863         (hook_pass_by_reference_must_pass_in_stack): New.
3864         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
3865         (alpha_pass_by_reference): New.
3866         (TARGET_PASS_BY_REFERENCE): New.
3867         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3868         * config/arc/arc.c (arc_pass_by_reference): New.
3869         (TARGET_PASS_BY_REFERENCE): New.
3870         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3871         (FUNCTION_ARG_CALLEE_COPIES): True.
3872         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
3873         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
3874         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
3875         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3876         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3877         * config/cris/cris.c (cris_pass_by_reference): New.
3878         (TARGET_PASS_BY_REFERENCE): New.
3879         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
3880         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
3881         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3882         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
3883         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3884         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
3885         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
3886         (frv_function_arg_pass_by_reference): Remove.
3887         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3888         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
3889         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
3890         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
3891         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3892         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
3893         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
3894         (ia64_pass_by_reference): Rename from
3895         ia64_function_arg_pass_by_reference.
3896         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3897         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3898         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
3899         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
3900         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
3901         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3902         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
3903         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
3904         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
3905         (m32r_pass_by_reference): Adjust prototype.  Make static.
3906         Handle mode sizes correctly.
3907         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3908         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
3909         (m68hc11_function_arg_pass_by_reference): Remove.
3910         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3911         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
3912         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
3913         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3914         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
3915         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
3916         (mips_va_arg): Use pass_by_reference.
3917         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
3918         Handle mode sizes correctly.
3919         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3920         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
3921         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
3922         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
3923         (mmix_pass_by_reference): Rename from
3924         mmix_function_arg_pass_by_reference.
3925         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3926         (FUNCTION_ARG_CALLEE_COPIES): True.
3927         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
3928         (mn10300_pass_by_reference): New.
3929         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3930         (FUNCTION_ARG_CALLEE_COPIES): True.
3931         * config/pa/pa.c (pa_pass_by_reference): New.
3932         (TARGET_PASS_BY_REFERENCE): New.
3933         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3934         (FUNCTION_ARG_CALLEE_COPIES): True.
3935         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
3936         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
3937         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
3938         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3939         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
3940         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
3941         (s390_pass_by_reference): Rename from
3942         s390_function_arg_pass_by_reference.
3943         (s390_function_arg_advance): Don't query pass-by-ref.
3944         (s390_function_arg): Likewise.
3945         (s390_gimplify_va_arg): Use pass_by_reference.
3946         (s390_call_saved_register_used): Likewise.
3947         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3948         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
3949         (shcompact_byref, sh_pass_by_reference): New.
3950         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3951         (SHCOMPACT_BYREF): Remove.
3952         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
3953         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
3954         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
3955         (sparc_gimplify_va_arg): Use pass_by_reference.
3956         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3957         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3958         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
3959         (v850_pass_by_reference): New.
3960         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
3961         (FUNCTION_ARG_CALLEE_COPIES): True.
3962         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
3963         FUNCTION_ARG_PASS_BY_REFERENCE docs.
3964
3965 2004-07-14  Richard Henderson  <rth@redhat.com>
3966             Richard Sandiford  <rsandifo@redhat.com>
3967
3968         * config/mips/mips-protos.h (mips_va_arg): Delete.
3969         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
3970         * config/mips/mips.c: Include tree-gimple.h.
3971         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
3972         (mips_arg_info): Remove special handling of must_pass_in_stck args.
3973         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
3974         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
3975
3976 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
3977
3978         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
3979         arguments for COND_EXPR in big-endian adjustment code.
3980
3981 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3982
3983         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
3984         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
3985         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
3986         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
3987
3988 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
3989
3990         PR tree-optimization/16443
3991         * tree-ssa-alias.c: Add more description for
3992         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
3993         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
3994         clobbering of call-clobbered and addressable variables.  If
3995         there are any before aliases have been computed, add them.
3996
3997 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
3998
3999         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
4000         verification.
4001
4002 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
4003
4004         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
4005         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
4006         to the same type.
4007
4008 2004-07-13  Per Bothner  <per@bothner.com>
4009
4010         * collect2.c (main):  Handle --no-demangle and --demangle flags.
4011
4012 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
4013
4014         * Makefile.in (OBJS-common): Add tree-data-ref.o.
4015         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
4016         (tree-data-ref.o): New rule.
4017         * lambda.h: New file.
4018         * tree-data-ref.c: New file.
4019         * tree-data-ref.h: New file.
4020         * tree.c (int_cst_value, tree_fold_gcd): New functions.
4021         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
4022
4023 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4024
4025         PR target/13926
4026         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
4027         * config/sparc/sparc.c (output_ubranch): New function.
4028         * config/sparc/sparc.md (jump pattern): Use it.
4029
4030 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4031
4032         PR target/16494
4033         * config/sparc/sparc.c (output_cbranch): Properly guard
4034         the code handling far branches with TARGET_V9.
4035         * config/sparc/sparc.md (length attribute): Document the
4036         side-effect of having a length greater or equal to 3.
4037
4038 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4039             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
4040
4041         PR target/15186
4042         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
4043         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
4044
4045 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4046             Martin Sebor  <sebor@roguewave.com>
4047
4048         PR target/12602
4049         * doc/invoke.texi (SPARC options): Document -threads
4050         and -pthreads on Solaris.
4051
4052 2004-07-13  Richard Henderson  <rth@redhat.com>
4053
4054         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
4055         by reference.
4056         (ind_gimplify_va_arg_expr): Remove.
4057         * tree.h (ind_gimplify_va_arg_expr): Remove.
4058         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
4059         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
4060         argsp to be null.
4061
4062         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
4063         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
4064         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
4065         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
4066         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
4067
4068 2004-07-13  Richard Henderson  <rth@redhat.com>
4069
4070         * function.c (pass_by_reference): New.
4071         (assign_parm_find_data_types): Use it.
4072         * calls.c (initialize_argument_information): Likewise.
4073         (emit_library_call_value_1): Likewise.
4074         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
4075         * function.h (pass_by_reference): Declare.
4076
4077 2004-07-13  Richard Henderson  <rth@redhat.com>
4078
4079         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
4080         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
4081         * expr.h (MUST_PASS_IN_STACK): Remove.
4082         * system.h (MUST_PASS_IN_STACK): Poison.
4083         * tree.h (must_pass_in_stack_var_size): Declare.
4084         (must_pass_in_stack_var_size_or_pad): Declare.
4085         * calls.c (must_pass_in_stack_var_size): New.
4086         (must_pass_in_stack_var_size_or_pad): Rename from
4087         default_must_pass_in_stack.
4088         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
4089         (TARGET_MUST_PASS_IN_STACK): New.
4090         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
4091         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
4092         (TARGET_MUST_PASS_IN_STACK): New.
4093         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
4094         * config/frv/frv.c (frv_must_pass_in_stack): New.
4095         (TARGET_MUST_PASS_IN_STACK): New.
4096         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
4097         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
4098         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
4099         (ix86_must_pass_in_stack): Make static.
4100         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
4101         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
4102         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
4103         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
4104         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
4105         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
4106         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
4107         (mcore_must_pass_on_stack): Remove.
4108         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
4109         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
4110         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
4111         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
4112         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
4113         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
4114         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
4115         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
4116         (TARGET_MUST_PASS_IN_STACK): New.
4117         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
4118         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
4119         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
4120         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
4121         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
4122         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
4123         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
4124         MUST_PASS_IN_STACK.
4125
4126         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
4127         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
4128         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
4129         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
4130         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
4131         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
4132         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
4133         config/xtensa/xtensa.c: Use target hook.
4134
4135 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
4136
4137         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
4138         * configure: Rebuilt.
4139
4140 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
4141
4142         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
4143         * config/mips/mips.h (mips_reg_names): Don't declare.
4144         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
4145         (TARGET_NAME_REGS): Delete.
4146         (TARGET_SWITCHES): Remove -mrnames.
4147         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
4148         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
4149         in REGISTER_NAMES.
4150         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
4151         (override_options): Remove handling of TARGET_NAME_REGS.
4152
4153 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
4154
4155         * config/mips/mips.h (TARGET_*): Boolify.
4156
4157 2004-07-12  Nick Clifton  <nickc@redhat.com>
4158
4159         * config.gcc: Add sh-*-symbianelf target.
4160         * config/sh/sh.c: Add new target macros:
4161         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
4162         TARGET_CXX_IMPORT_EXPORT_CLASS.
4163         (sh_file_start): Create a definition of the .directive section.
4164         (sh_attribute): Add dllimport and dllexport attributes.
4165         * config/sh/symbian-pre.h: New file.
4166         * config/sh/symbian-post.h: New file.
4167         * config/sh/symbian.c: New file. Contains Symbian specific
4168         functions.
4169         * config/sh/sh-protos.h: Add prototypes for new functions
4170         provided by symbian.c.
4171         * config/sh/t-symbian: New file.
4172         * doc/extend.texi: Document support for dllimport and dllexport
4173         attributes by the sh-symbianelf target.
4174
4175 2004-07-12  James E Wilson  <wilson@specifixinc.com>
4176
4177         * Makefile.in (AR): Use @AR@ not ar.
4178         (NM): New.
4179         (AR_FOR_TARGET): Use $(AR) not ar for native.
4180         (NM_FOR_TARGET): Use $(NM) not nm for native.
4181         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
4182         * configure: Regenerate.
4183
4184 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
4185
4186         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
4187         special case.
4188         (ashldi3_sp64): Likewise.
4189
4190 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4191
4192         PR target/16477
4193         * pa.c (function_arg): Update comment.
4194         * pa.h (BLOCK_REG_PADDING): Define.
4195
4196 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4197
4198         PR tree-optimization/16461
4199         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
4200         arguments of phi nodes.
4201
4202 2004-07-12  Devang Patel  <dpatel@apple.com>
4203
4204         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
4205
4206 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
4207
4208         * function.c (expand_function_start): Ensure r_save is in Pmode.
4209         * calls.c (prepare_call_address): Ensure static_chain_value is
4210         in Pmode.
4211         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
4212         r_save_area are in Pmode.
4213         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
4214         fnaddr, and static_chain are in Pmode.
4215
4216 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
4217
4218         PR target/16445
4219         * config/ia64/ia64.c (bundling): Don't count ignored insns.
4220
4221 2004-07-12  Richard Henderson  <rth@redhat.com>
4222
4223         * target.h (struct gcc_target): Move gimplify_va_arg_expr
4224         next to build_builtin_va_list.
4225         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
4226         * builtins.c (gimplify_va_arg_expr): Likewise.
4227         * gimplify.c (copy_if_shared_r): Likewise.
4228
4229 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
4230
4231         * passes.c (rest_of_decl_compilation): Don't defer call of
4232         assemble_variable if its DECL_RTL is already set.
4233
4234 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
4235
4236         * cfgloop.h (struct loop): Add nb_iterations field.
4237         (current_loops): Declare.
4238         * tree-chrec.c (chrec_not_analyzed_yet,
4239         chrec_dont_know, chrec_known, count_ev_in_wider_type,
4240         chrec_contains_symbols_defined_in_loop): Remove the temporary
4241         hooks.
4242         * tree-flow-inline.h (loop_containing_stmt): New function.
4243         * tree-scalar-evolution.c: Add implementation.
4244         * tree-scalar-evolution.h: Add declarations.
4245
4246 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
4247
4248         PR rtl-optimization/15921
4249         * Makefile.in (global.o): Add recog.h.
4250
4251         * global.c (recog.h): Add the include-clause.
4252         (bb_info): New member earlyclobber.
4253         (allocate_bb_info, free_bb_info): Initialize/finish the new
4254         member.
4255         (earlyclobber_regclass, earlyclobber_regclass_length): The new
4256         global variables.
4257         (check_earlyclobber, regclass_intersect,
4258         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
4259         New functions.
4260         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
4261         (make_accurate_live_analysis): Modify pavin.
4262
4263 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
4264
4265         * tree-cfg.c (find_taken_edge): Statically compute the truth
4266         value of a predicate comparing an SSA_NAME to itself.
4267
4268 2004-07-12  Roger Sayle  <roger@eyesopen.com>
4269
4270         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
4271         rs6000 doesn't have shift-and-add or shift-and-sub instructions
4272         by returning the cost of a multiplication plus an addition.
4273
4274 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
4275
4276         PR tree-optimization/14107
4277         * gimplify.c (gimplify_return_expr): Accept a
4278         RETURN_EXPR with an error argument.
4279         * tree-optimize.c (init_tree_optimization_passes):
4280         Run pass_warn_function_return at -O0.
4281
4282 2004-07-12  Roger Sayle  <roger@eyesopen.com>
4283
4284         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
4285         index entry.
4286
4287 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
4288
4289         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
4290         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
4291         * config/mips/3000.md: Add copyright notice.  Remove automota and
4292         function units; use generic ones instead.  Only define reservations
4293         for things that are different from generic.md.  Extend each clause
4294         to include r3900.
4295         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
4296         * config/mips/mips.md: Include them. Remove define_function_units.
4297         (alu, imuldiv): New automata and units.
4298
4299 2004-07-12  Ben Elliston  <bje@au.ibm.com>
4300
4301         * doc/invoke.texi (Optimize Options): Document -frename-registers
4302         not being enabled by default at -O3.
4303
4304 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4305
4306         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
4307         floating point additions, to keep real immediate constant positive.
4308         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
4309         into X + C, and leave positive real constants as X - C.
4310
4311 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4312
4313         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
4314
4315 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4316
4317         PR tree-optimization/15654
4318         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
4319
4320 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4321
4322         * builtins.c (fold_builtin_fputs): Don't bother converting the
4323         return type to integer_type_node, as we've already checked that
4324         the result will be ignored.
4325
4326         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
4327         that signed addition, subtraction, multiplication, division,
4328         remainder, negation and absolute value may potentially trap.
4329
4330         * fold-const.c (fold_ignored_result): New function to strip
4331         non-side-effecting tree nodes from an expression whose result
4332         is ignored.
4333         (fold_convert): Call fold_ignored_result when casting a value
4334         to VOID_TYPE.
4335         (omit_one_operand):  Call fold_ignored_result on the "omitted"
4336         operand when building a COMPOUND_EXPR.
4337         (pedantic_omit_one_operand): Likewise.
4338         * tree.h (fold_ignored_result): Prototype here.
4339         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
4340         when we're going to ignore the result.
4341
4342 2004-07-11  Richard Henderson  <rth@redhat.com>
4343
4344         PR tree-opt/16383
4345         * tree-ssa-ccp.c (fold_stmt_r): Split out...
4346         * tree.c (fields_compatible_p, find_compatible_field): ... new.
4347         * tree.h (fields_compatible_p, find_compatible_field): Declare.
4348         * tree-sra.c (sra_hash_tree): Hash fields by offset.
4349         (sra_elt_eq): Use fields_compatible_p.
4350         (generate_one_element_ref): Use find_compatible_field.
4351
4352 2004-07-11  Richard Henderson  <rth@redhat.com>
4353
4354         PR tree-opt/16422
4355         * tree-sra.c (generate_one_element_init): New.
4356         (generate_element_init): Use it.
4357         (scalarize_init): Push/pop gimplify context around it.
4358         (find_new_referenced_vars_1, find_new_referenced_vars): New.
4359         * gimplify.c (gimplify_expr): Allow SSA_NAME.
4360
4361 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4362
4363         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
4364         combine.c's combine_insn_cost.
4365         * rtl.h (insn_rtx_cost): Prototype here.
4366         * combine.c (combine_insn_cost): Delete function.
4367         (combine_validate_cost): Update callers of combine_insn_cost to
4368         call insn_rtx_cost instead.
4369         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
4370         requesting the rtx_cost of call and/or jump instructions.
4371
4372         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
4373         rtx_cost directly.  Don't request/use the cost of call or jump
4374         instructions.  Return -1 if the cost of any instruction can't be
4375         determined (or the BB contains a function call).
4376         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
4377         -1 (i.e. can't determine the cost of any instruction or the basic
4378         block contains a subroutine call).
4379         (find_if_case_2): Likewise.
4380
4381 2004-07-11  Roger Sayle  <roger@eyesopen.com>
4382
4383         * rs6000.c (struct processor_costs): Change semantics of fields to
4384         include the COST_N_INSNS scaling, and update all initializers.
4385         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
4386         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
4387         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
4388         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
4389
4390 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4391
4392         * LANGUAGES: Remove obsolete information.
4393
4394 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
4395
4396         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
4397         SIGBUS signal frames, the PSW address points *to* the faulting
4398         instruction, not after it.
4399
4400 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
4401
4402         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
4403         added to TLS symbol addresses.
4404
4405 2004-07-11  Richard Henderson  <rth@redhat.com>
4406
4407         * expmed.c (init_expmed): Use stack-local structures for
4408         temporary rtl.  Don't recognize shifts.
4409
4410 2004-07-11  Richard Henderson  <rth@redhat.com>
4411
4412         * expr.c (store_expr): Don't fiddle subreg promotion for types
4413         with precision smaller than the mode.
4414
4415 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4416
4417         * tree.h (all_types_permanent): Remove.
4418
4419 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4420
4421         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
4422         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
4423         * langhooks.c (lhd_clear_binding_stack): Remove.
4424         * langhooks-def.h (lhd_clear_binding_stack,
4425         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
4426         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
4427         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
4428         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
4429         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
4430         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4431         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
4432         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
4433         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
4434         * tree.h (poplevel): Don't declare.
4435         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
4436         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
4437         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
4438         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
4439         Remove.
4440
4441 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
4442
4443         PR tree-optimization/16437
4444         * c-common.c (shorten_compare): Don't mark result of conversion to
4445         narrower signed type as overflowing.
4446         * fold-const.c (decode_field_reference): Determine whether
4447         signedness comes from outer type using precision rather than size.
4448
4449 2004-07-11  Phil Edwards  <phil@codesourcery.com>
4450
4451         * configure.ac:  Alphabetize --enable-checking list, add
4452         missing valgrind entry.
4453         * configure:  Regenerate.
4454
4455 2004-07-11  Phil Edwards  <phil@codesourcery.com>
4456
4457         * doc/install.texi (Testing):  Fix syntax in "make check" example.
4458
4459 2004-07-10  James E Wilson  <wilson@specifixinc.com>
4460
4461         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
4462
4463 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4464
4465         PR rtl-optimization/16001
4466         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
4467         niter_expr.
4468
4469 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
4470
4471         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
4472
4473 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
4474             James Morrison  <phython@gcc.gnu.org>
4475
4476         * doc/contrib.texi (Contributors): Add gfortran contributors and
4477         fix a couple of typos.
4478
4479 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4480
4481         PR rtl-optimization/15387
4482         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
4483         to incoming args space correctly.
4484
4485 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4486
4487         * pa.c (output_indirect_call): Only use %r2 as the link register in
4488         indirect calls with the long PA 2.0 pc-relative branch.
4489
4490 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
4491
4492         * config/i386/i386.c (override_options): Pick a 64-bit CPU
4493         for the default tuning if TARGET_64BIT.
4494
4495 2004-07-10  Richard Henderson  <rth@redhat.com>
4496
4497         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
4498         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
4499
4500 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
4501
4502         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
4503         * expmed.c (store_bit_field, extract_bit_field): Remove last
4504         argument.
4505         * builtins.c (expand_builtin_signbit): Adjust callers.
4506         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
4507         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
4508         * ifcvt.c (noce_emit_move_insn): Likewise.
4509         * stmt.c (expand_return): Likewise.
4510         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
4511         store_field, expand_expr_real_1): Likewise.
4512
4513 2004-07-10  Richard Henderson  <rth@redhat.com>
4514
4515         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
4516
4517 2004-07-09  Mike Stump  <mrs@apple.com>
4518
4519         * config/darwin.c (no_dead_strip): Add.
4520         (HAVE_DEAD_STRIP): Add.
4521         (darwin_emit_unwind_label): Ensure that we don't dead code strip
4522         the .eh label.
4523
4524 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4525
4526         * tree-ssa-loop-im.c: New file.
4527         * Makefile.in (tree-ssa-loop-im.o): Add.
4528         * cfgloop.c (superloop_at_depth): New function.
4529         * cfgloop.h (superloop_at_depth): Declare.
4530         * common.opt (ftree-lim): New flag.
4531         * expr.c (array_ref_up_bound): New function.
4532         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
4533         * timevar.def (TV_LIM): New timevar.
4534         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
4535         computing immediate uses of a phi node.
4536         * tree-flow.h (struct tree_ann_common_d): Add aux field.
4537         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
4538         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
4539         * tree-pass.h (pass_lim): Declare.
4540         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
4541         functions.
4542         (pass_lim): New pass structure.
4543         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
4544         * tree.c (in_array_bounds_p): New function.
4545         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
4546         (in_array_bounds_p, array_ref_up_bound): Declare.
4547         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
4548         * doc/passes.texi (tree-ssa-loop-im.c): Document.
4549
4550 2004-07-09  Richard Henderson  <rth@redhat.com>
4551
4552         * builtins.c (expand_builtin_stpcpy): Don't modify len.
4553
4554         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
4555         with prejudice.
4556
4557 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
4558
4559         * flags.h: Delete redundant prototypes that are being generated
4560         in options.h from common.opt.
4561         * common.opt: Add in the expository comments formerly in flags.h.
4562
4563 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4564
4565         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
4566         available for use only when TARGET_MMX/_SSE is set, and check for
4567         variable argument function if any register count is non-zero.
4568         (function_arg): Correctly suppress repeated warnings for passing SSE
4569         vectors are arguments without SSE enabled.
4570         (ix86_function_arg_boundary): Without SSE enabled, the use of what
4571         would be SSE register modes does no longer influence the alignment.
4572
4573 2004-07-09  Richard Henderson  <rth@redhat.com>
4574
4575         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
4576         Always align upward to arg boundary.  Use size_in_bytes/round_up.
4577         Maintain type-correctness of constants.
4578         * stor-layout.c (round_up, round_down): Special-case powers of 2.
4579
4580 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
4581
4582         * config/sparc/sparc.c (*_costs): Scale instruction costs
4583         by COSTS_N_INSNS.
4584         (sparc_rtx_costs): Adjust as appropriate.
4585
4586 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4587
4588         * config/i386/mm3dnow.h: New.
4589         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
4590
4591 2004-07-09  Richard Henderson  <rth@redhat.com>
4592
4593         * simplify-rtx.c (simplify_const_relational_operation): Only
4594         look at bounds of scalar integers.
4595
4596 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4597
4598         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
4599
4600 2004-07-09  Andrew Pinski  <apinski@apple.com>
4601
4602         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
4603         always referenced.
4604         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
4605         UOBJC_METACLASS_decl.
4606
4607 2004-07-09  James E Wilson  <wilson@specifixinc.com>
4608
4609         PR target/16364
4610         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
4611         do return a parallel if hfa_mode == XFmode and mode == TImode.
4612
4613 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4614
4615         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
4616         permissible for unary plus.
4617
4618 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4619
4620         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
4621         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
4622         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
4623         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
4624         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
4625         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
4626         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
4627         (BUILTIN_xxxIMAX): New.
4628         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
4629         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
4630         BUILT_IN_PARITYIMAX.
4631
4632 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
4633
4634         * config/sparc/sparc.h (processor_costs): Define.
4635         (sparc_costs): Declare.
4636         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
4637         hypersparc_costs, sparclet_costs, ultrasparc_costs,
4638         ultrasparc3_costs): New.
4639         (sparc_override_options): Set sparc_costs as appropriate.
4640         (sparc_rtx_costs): Use sparc_costs instead of messy
4641         conditionals.
4642
4643 2004-07-09  Steven Bosscher  <stevenb@suse.de>
4644
4645         * doc/md.texi (Processor pipeline description): Mention that
4646         the old pipeline description is deprecated.
4647
4648         * config/rs6000/7450.md (automaton ppc7450): Split up, move
4649         mciu_7450 function unit to...
4650         (automaton ppc7450mciu): ...new automaton.
4651
4652         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
4653         (schedule_block): Don't consider inserting bubbles.
4654         (sched_init): Don't initialize DFA bubbles.
4655         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
4656         TARGET_SCHED_DFA_BUBBLE): Remove.
4657         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
4658         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
4659         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
4660
4661         * stmt.c (conditional_context): Remove prototype.
4662         * tree.h (conditional_context): Remove.
4663         * tree-cfg.c (pre_insert_on_edge): Remove.
4664
4665         * c-common.h (c_expand_asm_operands): Remove prototype.
4666         * c-typeck.c (c_expand_asm_operands): Remove.
4667
4668 2004-07-09  Jan Beulich  <jbeulich@novell.com>
4669
4670         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
4671         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
4672         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
4673         and V8QI are class SSE. All sufficiently small remaining vector modes
4674         must be passed in one or two integer registers.
4675         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
4676         returned in memory.
4677         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
4678         __builtin_ia32_pmuludq128 have non-uniform argument and return types
4679         and must thus be handled explicitly.
4680         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
4681         MMX and XMM regs.
4682         (movv8qi_internal, movv4hi_internal, movv2si_internal,
4683         movv2sf_internal): Permit moving between MMX and XMM registers (since
4684         MMX areguments and return values are passed in XMM registers).
4685         (sse2_umulsidi3): Correct type and mode.
4686
4687 2004-07-09  Richard Henderson  <rth@redhat.com>
4688
4689         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
4690
4691 2004-07-09  Eric Christopher  <echristo@redhat.com>
4692
4693         * config/rs6000/40x.md: Split into two automatons.
4694
4695 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
4696             Andrew Pinski  <apinski@apple.com>
4697
4698         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
4699         on when we have more than one input file.
4700         (c_common_parse_file): Restore loop over all input files.
4701         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
4702
4703         * c-decl.c (set_type_context): New function.
4704         (pop_scope): Use it to set context of types.  When we
4705         encounter a TYPE_DECL, set the context of the attached type too.
4706         (pop_file_scope): Don't call cpp_undef_all here.
4707         (diagnose_mismatched_decls): Do not complain about a second
4708         definition of an 'extern inline' function if it's not in the
4709         same translation unit.  Do not complain about inline
4710         declaration after use if the use was in a different
4711         translation unit.
4712         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
4713         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
4714         the external scope.
4715         (pushdecl_top_level): Likewise.
4716         (grokdeclarator): Clarify what is going on with setting
4717         DECL_EXTERNAL on function types, a little.
4718         (c_write_global_declarations): Don't do anything if
4719         -fsyntax-only or errors have been encountered.
4720
4721 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
4722
4723         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
4724
4725 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4726
4727         PR target/16459
4728         * pa.c (output_indirect_call): Use %r2 as the link register when
4729         calling $$dyncall with a pc-relative branch.
4730
4731 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
4732
4733         * doc/install.texi (Binaries): Mention OpenPKG.
4734
4735 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
4736
4737         Fix PR tree-optimization/15555
4738         * tree-dfa.c (dump_variable): If the variable is a pointer
4739         SSA_NAME, also dump its points-to information.
4740         * tree-flow.h (struct ptr_info_def): Add field
4741         is_dereferenced.
4742         (dump_points_to_info_for): Declare.
4743         (debug_points_to_info_for): Declare.
4744         * tree-optimize.c (init_tree_optimization_passes): Add a
4745         second alias analysis pass after DOM2.
4746         Move pass_del_pta to a later spot.
4747         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
4748         create a name tags when we find a dereferenced pointer.  Just
4749         mark the pointer dereferenced.
4750         (collect_points_to_info_for): Move code to clear points-to
4751         information to create_name_tags.
4752         (create_name_tags): New function.
4753         (compute_flow_sensitive_aliasing): Call it.
4754         (setup_pointers_and_addressables): Mark type tags for renaming
4755         here instead of ...
4756         (create_memory_tag): ... here.
4757         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
4758         (dump_points_to_info_for): Declare extern.
4759         (debug_points_to_info_for): New function.
4760
4761 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
4762
4763         * config/arc/arc.md: Switch to DFA-based scheduler description.
4764         * config/arc/arc.c: Switch to DFA-based scheduler description.
4765
4766 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4767
4768         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
4769         pointer.
4770
4771 2004-07-09  Richard Henderson  <rth@redhat.com>
4772
4773         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
4774         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4775         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
4776         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
4777
4778         * config/v850/v850-protos.h (v850_va_arg): Remove.
4779         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4780         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
4781         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
4782         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
4783         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
4784
4785 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4786
4787         PR target/12133
4788         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
4789         and DImode to use +/-4k offset.
4790
4791 2004-07-09  Richard Henderson  <rth@redhat.com>
4792
4793         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
4794         Remove.
4795         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4796         (xstormy16_gimplify_va_arg_expr): Rewrite from
4797         xstormy16_expand_builtin_va_arg.
4798         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
4799
4800         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
4801         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
4802
4803         * config/sh/sh-protos.h (sh_va_arg): Remove.
4804         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4805         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
4806         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
4807
4808         * config/pa/pa-protos.h (hppa_va_arg): Remove.
4809         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4810         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
4811         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
4812
4813         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
4814         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
4815         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
4816         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
4817
4818 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4819
4820         * config/sparc/sparc.md (return): Rewrite length formula.
4821         * config/sparc/sparc.c (output_return): Pass 1 as 5th
4822         argument to final_scan_insn when in a delay slot.
4823         (output_sibcall): Likewise.
4824
4825 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
4826
4827         * arm.c (arm_cpp_interwork): New variable.
4828         (arm_override_options): Set it if TARGET_INTERWORK was on the command
4829         line.
4830         * arm.h (arm_cpp_interwork): Declare it.
4831         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
4832         __THUMB_INTERWORK__ in the preprocessor.
4833
4834 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
4835
4836         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
4837
4838 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4839
4840         PR target/16416
4841         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
4842         Override default settings to account for -m32 and -m64.
4843
4844 2004-07-08  Randolph Chung  <tausq@debian.org>
4845
4846         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
4847
4848 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
4849
4850         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
4851         before comparing it as such.
4852
4853 2004-07-08  Richard Henderson  <rth@redhat.com>
4854
4855         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
4856         temporary.  Use bit arithmetic to align.
4857
4858 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
4859
4860         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
4861         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
4862         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
4863         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
4864         add_labels_and_missing_jumps, find_jump_block,
4865         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
4866         Likewise.
4867         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
4868         link_btr_uses, move_btr_def): Likewise.
4869         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
4870         expand_builtin_expect_jump): Likewise.
4871         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
4872         * calls.c (expand_call, emit_library_call_value_1): Likewise.
4873         * cfganal.c (forwarder_block_p): Likewise.
4874         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
4875         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
4876         find_bb_boundaries): Likewise.
4877         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
4878         merge_blocks_move_predecessor_nojumps,
4879         merge_blocks_move_successor_nojumps, insns_match_p,
4880         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4881         try_optimize_cfg): Likewise.
4882         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
4883         * cfglayout.c (skip_insns_after_block, label_for_bb,
4884         record_effective_endpoints, insn_locators_initialize,
4885         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
4886         * cfgmainloop.c (create_loop_notes): Likewise.
4887         * cfgrtl.c (delete_insn, delete_insn_chain,
4888         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
4889         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
4890         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
4891         redirect_branch_edge, force_nonfallthru_and_redirect,
4892         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
4893         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
4894         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
4895         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
4896         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
4897         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
4898         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
4899         * combine.c (combine_instructions, can_combine_p, try_combine,
4900         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
4901         distribute_notes, distribute_links, insn_cuid): Likewise.
4902         * cse.c (fold_rtx, cse_insn, cse_around_loop,
4903         invalidate_skipped_block, cse_set_around_loop,
4904         cse_end_of_basic_block, cse_main, cse_basic_block,
4905         cse_condition_code_reg): Likewise.
4906         * cselib.c (cselib_process_insn): Likewise.
4907         * ddg.c (create_ddg): Likewise.
4908         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
4909         Likewise.
4910         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
4911         gen_label_die, dwarf2out_var_location): Likewise.
4912         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
4913         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
4914         last_call_insn, active_insn_p, next_label, prev_label,
4915         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
4916         add_insn_before, remove_insn, add_function_usage_to,
4917         reorder_insns, find_line_note, remove_unnecessary_notes,
4918         emit_insn_after_1, classify_insn): Likewise.
4919         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
4920         connect_post_landing_pads, sjlj_mark_call_sites,
4921         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
4922         can_throw_internal, can_throw_external, set_nothrow_function_flags,
4923         convert_to_eh_region_ranges): Likewise.
4924         * explow.c (optimize_save_area_alloca): Likewise.
4925         * expr.c (expand_expr_real): Likewise.
4926         * final.c (insn_current_reference_address, compute_alignments,
4927         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
4928         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
4929         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
4930         propagate_block_delete_insn, propagate_one_insn,
4931         init_propagate_block_info, propagate_block, libcall_dead_p,
4932         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
4933         Likewise.
4934         * function.c (instantiate_virtual_regs, reorder_blocks_1,
4935         expand_function_start, expand_function_end, contains,
4936         thread_prologue_and_epilogue_insns,
4937         reposition_prologue_and_epilogue_notes): Likewise.
4938         * gcse.c (constprop_register, bypass_conditional_jumps,
4939         insert_insn_end_bb, gcse_after_reload): Likewise.
4940         * genemit.c (gen_expand, gen_split): Likewise.
4941         * genpeep.c (gen_peephole, main): Likewise.
4942         * global.c (build_insn_chain): Likewise.
4943         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
4944         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
4945         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
4946         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
4947         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
4948         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
4949         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
4950         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
4951         dead_or_predicable): Likewise.
4952         * integrate.c (try_constants): Likewise.
4953         * jump.c (rebuild_jump_labels, cleanup_barriers,
4954         purge_line_number_notes, init_label_info, mark_all_labels,
4955         squeeze_notes, get_label_before, get_label_after,
4956         reversed_comparison_code_parts, simplejump_p, pc_set,
4957         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
4958         delete_barrier, delete_prior_computation, delete_computation,
4959         delete_related_insns, delete_for_peephole, redirect_jump):
4960         Likewise.
4961         * lcm.c (optimize_mode_switching): Likewise.
4962         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
4963         Likewise.
4964         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
4965         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
4966         * loop-iv.c (simplify_using_assignment): Likewise.
4967         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
4968         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
4969         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
4970         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
4971         check_insn_for_givs, check_final_value, update_giv_derive,
4972         basic_induction_var, product_cheap_p, check_dbra_loop,
4973         loop_insn_first_p, last_use_this_basic_block,
4974         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
4975         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
4976         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
4977         sms_schedule_by_order): Likewise.
4978         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
4979         * postreload.c (reload_cse_simplify_operands, reload_combine,
4980         reload_cse_move2add): Likewise.
4981         * predict.c (can_predict_insn_p, estimate_probability,
4982         expected_value_to_br_prob, process_note_predictions): Likewise.
4983         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
4984         * profile.c (branch_prob): Likewise.
4985         * ra-build.c (live_out_1, livethrough_conflicts_bb,
4986         detect_webs_set_in_cond_jump): Likewise.
4987         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
4988         ra_print_rtl_with_bb): Likewise.
4989         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
4990         * recog.c (next_insn_tests_no_inequality, find_single_use,
4991         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
4992         * reg-stack.c (next_flags_user, record_label_references,
4993         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
4994         compensate_edge, convert_regs_1): Likewise.
4995         * regclass.c (scan_one_insn): Likewise.
4996         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4997         regmove_optimize, fixup_match_1, single_set_for_csa,
4998         combine_stack_adjustments_for_block): Likewise.
4999         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
5000         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
5001         find_equiv_reg): Likewise.
5002         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
5003         reload_as_needed, emit_input_reload_insns, do_output_reload,
5004         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
5005         Likewise.
5006         * reorg.c (find_end_label, emit_delay_sequence,
5007         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
5008         get_jump_flags, rare_destination, mostly_true_jump,
5009         try_merge_delay_insns, redundant_insn, own_thread_p,
5010         fill_simple_delay_slots, fill_slots_from_thread,
5011         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
5012         dbr_schedule): Likewise.
5013         * resource.c (find_basic_block, next_insn_no_annul,
5014         find_dead_or_set_registers, mark_target_live_regs): Likewise.
5015         * rtl.h (RTX_PREV): Likewise.
5016         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
5017         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
5018         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
5019         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
5020         tablejump_p, computed_jump_p, insns_safe_to_move_p,
5021         find_first_parameter_load, can_hoist_insn_p): Likewise.
5022         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
5023         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
5024         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
5025         schedule_ebbs): Likewise.
5026         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
5027         is_conditionally_protected, can_schedule_ready_p,
5028         add_branch_dependences, debug_dependencies): Likewise.
5029         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
5030         Likewise.
5031         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
5032         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
5033         set_dominates_use, ujump_to_loop_cont): Likewise.
5034         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
5035         * varasm.c (output_constant_pool_1): Likewise.
5036
5037 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5038
5039         * tree-scalar-evolution.c: New file.
5040         * tree-scalar-evolution.h: New file.
5041         * tree-ssa-loop-niter.c: New file.
5042         * Makefile.in (SCEV_H): New.
5043         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
5044         * cfgloop.h (struct loop): Add bounds field.
5045         * tree-flow.h (struct tree_niter_desc): New type.
5046         (number_of_iterations_cond, number_of_iterations_exit,
5047         loop_niter_by_eval, find_loop_niter_by_eval,
5048         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
5049         free_numbers_of_iterations_estimates): Declare.
5050         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
5051         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
5052         * doc/invoke.texi (max-iterations-to-track): Document.
5053
5054 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
5055
5056         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
5057         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
5058         (MODE_AFTER): Add cast appropriately.
5059         * config/sh/sh.md (movdi splitter): Likewise.
5060         (casesi_worker_2): Add const qualifier appropriately.
5061         (eh_return): Remove unused variable.
5062         (insv): Initialize v;
5063
5064 2004-07-08  Richard Henderson  <rth@redhat.com>
5065
5066         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
5067         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5068         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
5069         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
5070         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
5071
5072         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
5073         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5074         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
5075         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
5076
5077         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
5078         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5079         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
5080         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
5081
5082         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
5083         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5084         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
5085         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
5086
5087         * config/i860/i860-protos.h (i860_va_arg): Remove.
5088         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5089         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
5090         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
5091
5092 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5093
5094         * system.h: Prototype getpagesize if missing.
5095         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
5096         * configure: Regenerate.
5097         * config.in: Regenerate.
5098
5099 2004-07-08  Richard Henderson  <rth@redhat.com>
5100
5101         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
5102         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5103         (fr30_gimplify_va_arg_expr): New.
5104         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
5105         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
5106
5107 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
5108
5109         PR target/16414
5110         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
5111         of asm_noperands result.
5112
5113 2004-07-08  Richard Henderson  <rth@redhat.com>
5114
5115         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
5116         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5117         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
5118         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
5119
5120 2004-07-08  Richard Henderson  <rth@redhat.com>
5121
5122         * builtins.c (ind_gimplify_va_arg_expr): New.
5123         * tree.h (ind_gimplify_va_arg_expr): Declare.
5124         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
5125
5126 2004-07-08  Jan Beulich  <jbeulich@novell.com>
5127
5128         * expmed.c (extract_bit_field): Correct condition to use vec_extract
5129         patterns also on vector elements other than the first one.
5130         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
5131         break statements.
5132
5133 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
5134
5135         * config/rs6000/darwin-ldouble.c: Correct reference
5136         to the Linnainmaa paper.
5137
5138 2004-07-08  Richard Henderson  <rth@redhat.com>
5139
5140         * config/arc/arc-protos.h (arc_va_arg): Remove.
5141         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5142         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
5143         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
5144
5145         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
5146         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
5147         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
5148         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
5149
5150 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5151
5152         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
5153
5154 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
5155
5156         * c-decl.c (static_ctors, static_dtors): Make static.
5157         (pop_file_scope): Call c_common_write_pch and
5158         cgraph_finalize_compilation_unit here.
5159         (build_cdtor): Moved here from c-objc-common.c; simplify.
5160         (c_write_global_declarations_1): Clarify comment.
5161         (c_write_global_declarations): Close the external scope before
5162         doing anything else.  Call build_cdtor, cgraph_optimize, and
5163         mudflap_finish_file here.
5164         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
5165         Clarify comment.
5166         * c-objc-common.c: No need to include cgraph.h.
5167         (build_cdtor): Moved to c-decl.c.
5168         (c_objc_common_finish_file): Delete.
5169         * c-tree.h: Update to match.
5170         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
5171         (generate_static_references): Set TREE_USED before calling finish_decl.
5172         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
5173         on the static_instances_decl.
5174
5175 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
5176
5177         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
5178         decls when there is only one input translation unit.
5179         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
5180         change of 2004-07-05; do not treat declarations with
5181         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
5182         * opts.c (cur_in_fname): Delete.
5183         * opts.h: Likewise.
5184         * tree.c: Revert changes of 2004-07-05; no special treatment
5185         for TRANSLATION_UNIT_DECLs.
5186         * Makefile.in (tree.o): Update dependencies.
5187
5188 2004-07-08  Roger Sayle  <roger@eyesopen.com>
5189
5190         * builtins.c (fold_builtin_strcpy): Merge functionality from
5191         simplify_builtin_strcpy.  Add additional len argument.  No longer
5192         static.  Remove function prototype.
5193         (fold_builtin_strncpy): Likewise integrate functionality from
5194         simplify_builtin_strncpy.  Add additional slen argument.  No
5195         longer static.  Remove function prototype.
5196         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
5197         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
5198         types of "ignore" and "unlocked" parameters to bool.
5199         (fold_builtin_1):  Add additional ignore argument.  Call renamed
5200         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
5201         builtins.  Update arguments to fold_builtin_strncpy and
5202         fold_builtin_strcpy.  Add function prototype.
5203         (fold_builtin): Add additional Boolean ignore argument to pass
5204         to fold_builtin_1.
5205         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
5206         and fold_builtin_strncpy instead of simplify_builtin_fputs,
5207         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
5208
5209         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
5210         simplify_builtin_strncpy): Delete function prototypes.
5211         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
5212         fold_builtin_strncpy): Add function prototypes here.
5213         (fold_builtin): Update function prototype with new "bool ignore".
5214
5215         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
5216         (ccp_fold_builtin):  Update call to fold_builtin.  Call
5217         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
5218         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
5219         simplify_builtin_strncpy respectively.
5220         * fold-const.c (fold): Update call to fold_builtin.
5221
5222 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
5223
5224         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
5225         to strcpy.
5226
5227         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
5228         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
5229         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
5230         * calls.c: Remove ifdefs of macros above.
5231         * functions.c: Likewise.
5232         * expr.c: Likewise.
5233
5234 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5235
5236         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
5237         (arch attribute): Delete.
5238         (current_function_calls_alloca attribute): Rename into calls_alloca.
5239         (calls_eh_return): New attribute.
5240         (leaf_function): Likewise.
5241         (length attribute): Fix formula for sibcalls.
5242         (return insn): Correctly compute the 'length' attribute.
5243         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
5244
5245 2004-07-08  Richard Henderson  <rth@redhat.com>
5246
5247         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
5248         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
5249         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
5250         * tree-eh.c (lower_eh_constructs_1): Likewise.
5251         * tree-sra.c (sra_walk_modify_expr): Likewise.
5252         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
5253         (eliminate_unnecessary_stmts): Likewise.
5254         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5255         * tree-tailcall.c (optimize_tail_call): Likewise.
5256         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
5257
5258 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5259             Jakub Jelinek  <jakub@redhat.com>
5260
5261         * config/i386/i386.c (override_options): Enable
5262         SSE prefetches with -mtune, as long as we are
5263         compiling for i686 or higher.  All i686 processors
5264         accept SSE prefetches as NOPS, some i586's don't.
5265
5266 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5267
5268         PR target/10567
5269         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
5270
5271 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
5272
5273         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
5274         the handling of clobbering ASM_EXPRs.
5275
5276 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5277
5278         PR target/16430
5279         * config/sparc/sparc.c (function_value): In 64-bit mode,
5280         return the aggregates larger than 16 bytes like unions.
5281
5282 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5283
5284         PR target/16199
5285         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
5286         'temp' is zero, generate new pseudos as needed and emit the
5287         sequence of insns in single-assignment form.  Resync comments
5288         with code.
5289         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
5290         function before reload.
5291
5292 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
5293
5294         * vec.c (vec_assert_fail): Remove duplicate 'function'.
5295
5296         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
5297
5298         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
5299         Allocation is signed.
5300         (VEC_reserve): Return flag, allocation is signed.
5301
5302 2004-07-08  Richard Henderson  <rth@redhat.com>
5303
5304         * tree-ssa-ccp.c (fold_stmt): Get type directly from
5305         OBJ_TYPE_REF_OBJECT.
5306
5307 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
5308             Neil Booth  <neil@daikokuya.co.uk>
5309
5310         PR c/2511
5311         PR c/3325
5312         * c-decl.c (finish_struct): Ensure bit-fields are given the
5313         correct type.
5314         * c-common.c (c_common_signed_or_unsigned_type): For C, require
5315         the precision to match as well as the mode.
5316         * expr.c (reduce_to_bit_field_precision): New function.
5317         (expand_expr_real_1): Reduce expressions of bit-field type to
5318         proper precision.
5319         * langhooks.h (reduce_bit_field_operations): New hook.
5320         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
5321         Define.
5322         * c-lang.c, objc/objc-lang.c
5323         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
5324         * objc/objc-act.c (check_ivars): Convert types to bit-field types
5325         before checking.
5326         * tree.c (build_nonstandard_integer_type): New function.
5327         * tree.h (build_nonstandard_integer_type): New prototype.
5328         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
5329         conversions between integer and boolean types as useless.
5330
5331 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5332
5333         * c-common.c (c_common_nodes_and_builtins): Do not
5334         create __builtin_ptrdiff_t and __builtin_size_t.
5335
5336 2004-07-08  Andrew Pinski  <apinski@apple.com>
5337
5338         * Makefile.in (libbackend.o): Add -combine to the gcc
5339         command line.
5340
5341 2004-07-08  Nick Clifton  <nickc@redhat.com>
5342
5343         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
5344         Set to -Os.
5345
5346 2004-07-08  Richard Henderson  <rth@redhat.com>
5347
5348         * except.c (expand_eh_region_start, expand_eh_region_end,
5349         expand_eh_handler, expand_eh_region_end_cleanup,
5350         expand_start_all_catch, expand_start_catch, expand_end_catch,
5351         expand_end_all_catch, expand_eh_region_end_allowed,
5352         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
5353         expand_eh_region_end_fixup): Remove.
5354         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
5355         cleanups, outer_cleanups, label_chain, exception_region.
5356         (struct goto_fixup): Remove stack_level, cleanup_list_list.
5357         (struct label_chain): Remove.
5358         (struct stmt_status): Remove x_stack_block_stack.
5359         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
5360         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
5361         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
5362         end_cleanup_deferral, last_cleanup_this_contour,
5363         containing_blocks_have_cleanups_or_stack_level,
5364         any_pending_cleanups): Remove.
5365         (expand_null_return_1): Take no arguments.
5366         (expand_label, expand_naked_return, expand_return,
5367         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
5368         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
5369         expand_end_case_type): Don't use any of them.
5370         * calls.c (expand_call): Likewise.
5371         * dojump.c (do_jump): Likewise.
5372         * function.c (expand_function_end): Likewise.
5373         * expr.c (store_expr, expand_expr_real_1): Likewise.
5374         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
5375         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
5376         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
5377         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
5378         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
5379         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
5380         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
5381         for WITH_CLEANUP_EXPR.
5382         (gimple_push_cleanup): Likewise.
5383         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
5384         * print-tree.c (print_node): Likewise.
5385         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
5386         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
5387         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
5388         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
5389         (GOTO_SUBROUTINE_EXPR): Remove.
5390         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
5391         (DECL_TOO_LATE): Remove.
5392         * except.h, tree.h: Update decls.
5393
5394 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
5395
5396         * explow.c (optimize_save_area_alloca): Do not accept parameters.
5397         * passes.c (rest_of_handle_final): Handle symout.
5398         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
5399         Push timevar here.
5400         (rest_of_handle_sched): Break out SMS.  Remove ifs for
5401         flag_schedule_insns and flag_modulo_sched.
5402         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
5403         collect at the end.
5404         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
5405         (rest_of_handle_partition_blocks, rest_of_handle_sms,
5406         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
5407         rest_of_handle_mode_switching, rest_of_handle_jump,
5408         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
5409         rest_of_handle_jump2, rest_of_handle_postreload,
5410         rest_of_handle_flow2, rest_of_clean_state,
5411         rest_of_handle_shorten_branches,
5412         rest_of_handle_prologue_epilogue,
5413         rest_of_handle_branch_target_load_optimize): New.
5414         (rest_of_compilation): Call the above.  Remove ggc_collect
5415         calls moved to rest_of_handle_*.
5416         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
5417
5418         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
5419         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
5420         * except.h (set_nothrow_function_flags): Update comment.
5421         * function.c (current_function_nothrow): Remove.
5422         * output.h (current_function_nothrow): Remove.
5423         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
5424         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
5425
5426 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5427
5428         PR bootstrap/16326
5429         * reorg.c: Revert 2004-06-30 change.
5430         (find_end_label): If HAVE_epilogue and !HAVE_return,
5431         return 0 instead of creating a label at the end of the insn chain.
5432         (optimize_skip): Account for the failure mode of find_end_label.
5433         (fill_simple_delay_slots): Likewise.
5434         (fill_slots_from_thread): Likewise.
5435         (relax_delay_slots): Likewise.
5436
5437 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
5438
5439         * tree-flow.h (addressable_vars): Declare.
5440         * tree-ssa-alias.c (addressable_vars): Define.
5441         (setup_pointers_and_addressables): Add addressable variables
5442         to addressable_vars.
5443         * tree-ssa-operands.c (get_stmt_operands): Move
5444         handling of ASM_EXPRs ...
5445         (get_asm_expr_operands): ... here.
5446         When the ASM_EXPR clobbers memory, also clobber addressable
5447         variables.
5448         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
5449         (delete_tree_ssa): Reset addressable_vars.
5450
5451 2004-07-07  Jan Beulich  <jbeulich@novell.com>
5452             Richard Henderson  <rth@redhat.com>
5453
5454         * varasm.c (assemble_variable): Use assemble_zeros for
5455         zero-initialized variables.
5456         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
5457         for SECCAT_BSS and SECCAT_TBSS.
5458
5459 2004-07-07  Jan Beulich  <jbeulich@novell.com>
5460
5461         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
5462
5463         * expmed.c (emit_store_flag): Also special-case double-word
5464         (in-)equality comparison against -1.
5465
5466         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
5467         passing arguments the containers for which are registers.
5468
5469         * calls.c (emit_library_call_value_1): Use mode of function parameter
5470         rather than that of argument since constants have none.
5471
5472 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
5473
5474         Introduce H8SX support.
5475         * expr.c (expand_strcpy): Renamed and moved to...
5476         * builtins.c (expand_movstr): ... here.  Tweak.
5477         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
5478         computed or has side effects.
5479         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
5480         unused, or if mempcpy fails.  Adjust the return value in the
5481         latter case.  Use movstr if everything else fails.
5482         * doc/md.texi (movstr): Document.
5483         (movmemM, clrmemM): Fix explanation of memory block operands.
5484         * config/h8300/h8300.md (stpcpy): Renamed to...
5485         (movstr): ... this.  Adjust.
5486         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
5487         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
5488         movmem* and clrstr* to clrmem*.
5489         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
5490         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
5491         GENERAL_REGS, always.
5492         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
5493         getting the stack pointer as addr.
5494         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
5495         from general_operand_dst.
5496         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
5497         variant of...
5498         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
5499         instead of requiring it to match only before reload.
5500         (stpcpy_internal_normal): New, normal-mode variant of...
5501         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
5502         `D' instead of requiring it to match only before reload.
5503         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
5504         mode argument.
5505         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
5506         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
5507         h8300_get_index.
5508         * config/h8300/h8300.md (attr type): Add call.
5509         (attr can_delay): If type is call, set it no.
5510         (call, call_value): Set type to call.
5511         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
5512         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
5513         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
5514         * tree.c (get_narrower): Don't narrow integral types into
5515         non-integral types.
5516         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
5517         frame_size *before* the first use.
5518         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
5519         on input.
5520         (peephole2): Don't widen instructions that push SP.  Move
5521         decrement of SP to the end of all stm-generating peepholes.
5522         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
5523         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
5524         and OR to set it to all ones.
5525         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
5526         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
5527         (call, call_value): Set can_delay to "no".
5528         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
5529         * config/h8300/h8300.md (extzv): Make subreg check more robust.
5530         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5531         * config/h8300/h8300.md (*brabit): Remove.
5532         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
5533         zero_extract.  Use bit_memory_operand as the predicate for
5534         operand 1 and 'WU' as the constraint.  Check the difference
5535         between the base length and the final one when deciding which
5536         type of branch to use.
5537         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5538         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
5539         Use convert_move to extend the result for TARGET_H8300SX.  Check
5540         for QImode memory references.  Optimize the case where the
5541         destination is a paradoxical subreg.
5542         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5543         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
5544         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
5545         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
5546         * config/h8300/h8300.md: Include mova.md
5547         (length_table): Add mova and mova_zero.
5548         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
5549         after all constant addresses for '%R', '%X', '%T' and '%S'.
5550         (h8300_mova_length): New function.
5551         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
5552         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
5553         dependencies for s-config, etc.
5554         * config/h8300/gemova.sh: New file.
5555         * config/h8300/mova.md: Generated.
5556         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
5557         * config/h8300/h8300.c (h8300_bitfield_length): New.
5558         (nibble_operand): Adjust.
5559         (h8300_binary_length): Handle conditional binary op.
5560         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
5561         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
5562         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
5563         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
5564         constraints.  WU is introduced as a variant of U that requires a
5565         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
5566         * config/h8300/h8300.md (attr type): Added bitbranch.
5567         (attr length_table): Added bitfield and bitbranch.
5568         (attr length): Compute bitbranch length.
5569         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
5570         least-significant bit of a byte.
5571         (brabit, brabc, brabs): New.
5572         (insv, extzv): Emit bfst and bfld on H8300SX.
5573         (bfld, bfst, seq, sne): New.
5574         (bstzhireg, cmpstz, bstz, bistz): New.
5575         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
5576         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
5577         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
5578         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
5579         (h8sx_unary_memory_operator): New function.
5580         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
5581         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
5582         * config/h8300/h8300.md: Add peepholes to combine reloads and
5583         arithmetic insns.
5584         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
5585         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
5586         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
5587         (and?i, ior?i, xor?i): Likewise.
5588         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
5589         * config/h8300/h8300.c: Move enums and prototypes to head of file.
5590         Various whitespace fixes.
5591         (h8300_constant_length): New function, split out from...
5592         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
5593         (h8300_classify_operand): Use IN_RANGE.
5594         (h8300_classify_operand): Use h8300_constant_length.
5595         (h8300_short_move_mem_p): Tighten size check.
5596         (h8sx_mergeable_memrefs_p): Tighten equality check.
5597         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
5598         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
5599         for -msx.
5600         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
5601         * config/h8300/crtn.asm: Likewise.
5602         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
5603         if __H8300SX__ is defined.
5604         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
5605         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
5606         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
5607         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
5608         addresses as mode-dependent.
5609         * config/h8300/h8300.c (print_operand_address): Update call to
5610         h8300_get_index.
5611         (h8300_get_index): Take a mode argument.  Rework to fix an
5612         earlier misunderstanding.
5613         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
5614         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
5615         into a register if TARGET_H8300SX.
5616         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
5617         TARGET_H8300SX.  Also disable related define_splits.
5618         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
5619         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
5620         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
5621         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
5622         * config/h8300/h8300.h (OK_FOR_Z): New macro.
5623         (EXTRA_CONSTRAINT_STR): Check it.
5624         * config/h8300/h8300.c (h8300_classify_operand): Accept null
5625         class arguments.
5626         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
5627         * config/h8300/h8300.md (length_table): Add mov_imm4.
5628         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
5629         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
5630         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
5631         be a label.
5632         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
5633         * config/h8300/h8300.c (h8300_reorg): New function.
5634         (TARGET_MACHINE_DEPENDENT_REORG): Define.
5635         * config/h8300/h8300.md (length): Subtract the length of the
5636         delay slot from (pc) when checking the range of forward branches.
5637         (delay_slot, can_delay): New attributes.
5638         (define_delay): Add bra/s handling.
5639         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
5640         (jump): Add delayed-branch handling.
5641         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
5642         * expr.c (expand_strcpy): New function.
5643         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
5644         (expand_builtin_stpcpy): Likewise.
5645         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
5646         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
5647         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
5648         handling to improve register allocation for -fno-omit-frame-pointer.
5649         (h8sx_split_movmd): Delete, moving er6 handling into...
5650         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
5651         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
5652         (movmd): Add calls to copy_rtx.
5653         (movmd_internal): In the second alternative, allow the initial and
5654         final destination registers to be different .  Update the splitter
5655         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
5656         instead of h8sx_split_movmd.
5657         (stpcpy, movsd): New expanders.
5658         (movsd_internal): New define_insn.
5659         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
5660         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
5661         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
5662         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
5663         and DESTINATION_REGS.
5664         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5665         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
5666         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
5667         (h8300_move_ratio): Declare.
5668         (MOVE_RATIO): Use it.
5669         * config/h8300/h8300.c (h8300_move_ratio): New variable.
5670         (h8300_init_once): Initialize it.
5671         (h8300_reg_class_from_letter): New function.
5672         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
5673         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
5674         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
5675         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
5676         (movstrsi, movmd): New expanders.
5677         (movmd_internal): New insn.
5678         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
5679         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
5680         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
5681         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
5682         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
5683         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
5684         * config/h8300/h8300.c (nibble_operand): Fix warning.
5685         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
5686         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
5687         (movsf_h8300h): Disable for TARGET_H8300SX.
5688         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
5689         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
5690         h8300_stm_parallel and h8300_return_parallel.
5691         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
5692         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
5693         h8300_stm_parallel, h8300_return_parallel): New functions.
5694         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
5695         if TARGET_H8300SX.  Use h8300_push_pop.
5696         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
5697         and final pop when generating h8sx code.  Always emit some form
5698         of return insn.
5699         * config/h8300/h8300.md: Don't enforce register alignment in
5700         stm peepholes if TARGET_H8300SX.
5701         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
5702         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
5703         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
5704         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
5705         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
5706         (MULTILIB_DIRNAMES): Add a directory for it.
5707         (MULTILIB_MATCHES): Delete.
5708         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
5709         * final.c (walk_alter_subreg): Handle addresses with subregs
5710         inside a ZERO_EXTEND or AND.
5711         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
5712         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
5713         if TARGET_H8300SX.
5714         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
5715         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
5716         @(dd,Rn.w) and @(dd,ERn.L).
5717         (h8300_displacement_size): Take the whole address as argument.
5718         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
5719         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
5720         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
5721         (h8sx_mergeable_memrefs_p): Declare.
5722         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
5723         (HAVE_PRE_INCREMENT): Likewise.
5724         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
5725         addresses for TARGET_H8300SX,
5726         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
5727         and POST_DEC.
5728         (movb_length_table, movl_length_table): New tables.
5729         (movw_length_table): Define to movb_length_table.
5730         (h8300_displacement_size): New, split out from...
5731         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
5732         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
5733         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
5734         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
5735         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
5736         (compute_plussi_length, compute_plussi_cc): Update accordingly.
5737         (h8sx_unary_shift_operator): Get the mode from the operator.
5738         (binary_shift_operator): Likewise.
5739         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
5740         a memory reference, check whether the reference is offsettable.
5741         (length_table): Add movb, movw and movl.
5742         (movqi): Add new h8sx pattern.  Don't force one operand to be a
5743         register when generating h8sx code.
5744         (movhi, movsi, movsf): Likewise.
5745         (movstrictqi): Use the length_table attribute.
5746         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
5747         (addqi3): Split into a define_expand and define_insn.  Don't accept
5748         memory operands in the expander.  Use h8300_operands_match_p to
5749         check for matching operands in the define_insn.
5750         (subqi3, negqi2, one_cmplqi2): Likewise.
5751         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
5752         in any patterns that are unused in h8sx code.  In the h8sx patterns,
5753         use h8300_operands_match_p to check whether operands match.
5754         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
5755         one_cmpl[hs]i3): Likewise.
5756         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
5757         in the expander.
5758         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
5759         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
5760         (h8300_insn_length_from_table): Add a second parameter.
5761         (output_h8sx_shift): Declare.
5762         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
5763         (EXTRA_CONSTRAINT): Replace with...
5764         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
5765         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
5766         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
5767         and h8sx_binary_shift_operator.
5768         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
5769         for TARGET_H8300SX.
5770         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
5771         (bit_memory_operand, fix_bit_operand): Likewise.
5772         (h8300_length_table_for_insn): Remove.
5773         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
5774         instructions.
5775         (h8300_short_immediate_length, h8300_binary_length): New functions.
5776         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
5777         (output_plussi): Use sub to add negative constants.
5778         (compute_plussi_length): Adjust accordingly.
5779         (h8sx_single_shift_type): New enum.
5780         (h8sx_single_shift, h8sx_unary_shift_operator,
5781         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
5782         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
5783         single h8sx instruction.  Return false in this case.
5784         * config/h8300/h8300.md (length_table): Add short_immediate.
5785         (length): Pass the operand array to h8300_insn_length_from_table.
5786         (adjust_length): Assume "no" for insns with a length_table attribute.
5787         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
5788         (*addhi3_h8300hs): Don't use for h8sx.
5789         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
5790         and sub.w #xx:3.
5791         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
5792         1's predicate to nonimmediate_operand.  Only skip default expansion
5793         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
5794         for single h8sx shift instructions.
5795         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
5796         * config/h8300/h8300.c (nibble_operand): Split out of...
5797         (reg_or_nibble_operand): ... this.
5798         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
5799         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
5800         umulhisi3): Introduce expand, and introduce separate insns for
5801         sign- or zero-extended REG and already-extended CONST_INT.
5802         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
5803         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
5804         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
5805         (subhi3): Likewise.  Don't accept immediates for operand 1.
5806         Remove the early clobber from second alternative of the h8300s pattern.
5807         (subsi3): Generalize for h8sx.  Force operand 2 into a register
5808         on plain h8300 targets.
5809         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
5810         (subsi3_h8300h): Generalize for h8sx.
5811         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
5812         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
5813         * config/h8300/h8300.c (reg_or_nibble_operand): New.
5814         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
5815         (TARGET_H8300SXMUL): New.
5816         (CONST_OK_FOR_P): New.
5817         (CONST_OK_FOR_LETTER_P): Adjust.
5818         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
5819         umulhisi3): Accept 4-bit immediate on H8SX.
5820         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
5821         (udivsi3, divhi3, udivsi3, divsi3): New.
5822         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
5823         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
5824         * config/h8300/h8300.h (OK_FOR_Q): New macro.
5825         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
5826         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
5827         Add ADDRESSOF to the bit_operand entry.
5828         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
5829         (h8300_src_operand): Likewise.
5830         (bit_operand): Check nonimmediate_operand rather than general_operand.
5831         Accept any nonimmediate_operand in h8sx code.
5832         (h8300_and_costs): Initialize operands[1].
5833         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
5834         (h8300_operand_class): New enum.
5835         (h8300_length_table): New typedef.
5836         (addb_length_table, addw_length_table, addl_length_table,
5837         logicl_length_table): New tables.
5838         (logicb_length_table, logicw_length_table): New macros.
5839         (h8300_classify_operand, h8300_length_from_table,
5840         h8300_length_table_for_insn, h8300_unary_length,
5841         h8300_insn_length_from_table): New functions.
5842         (output_plussi): Only use adds and subs for register destinations.
5843         Disable redundant clause.
5844         (compute_plussi_cc): Likewise.
5845         (compute_plussi_length): Likewise.  Use h8300_length_from_table
5846         to work out the length of an insn.
5847         (output_logical_op): Only use narrower immediate instructions
5848         if the destination is a register.
5849         (compute_logical_op_cc): Likewise.
5850         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
5851         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
5852         * config/h8300/h8300.md (length_table): New attribute.
5853         (length): When an instruction has a length_table attribute, use
5854         h8300_insn_length_from_table to calculate its default length.
5855         (cmpqi): Use h8300_dst_operand for the first operand and
5856         h8300_src_operand for the second.
5857         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
5858         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
5859         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
5860         iorsi3, xorhi3, xorsi3): Likewise.
5861         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
5862         so that it allows any combination of operands for TARGET_H8300SX.
5863         (iorqi3, xorqi3): Likewise.
5864         (cmpqi): Use the length_table attribute.
5865         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
5866         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
5867         (cmpqi): Add 'Q' constraint.
5868         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
5869         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
5870         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
5871         * config/h8300/h8300.h (MASK_H8300SX): New macro.
5872         (TARGET_H8300S): True for both -ms and -msx.
5873         (TARGET_H8300SX): New macro.
5874         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
5875         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
5876         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
5877         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
5878         [Temporary change.]
5879         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
5880         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
5881         16-bit pointers and 32-bit ints.
5882         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
5883         CONST_DOUBLE with mode no wider than SImode.
5884         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
5885         output operand.
5886         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
5887         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
5888         or SUBREG thereof.
5889         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
5890         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
5891         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
5892
5893 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5894
5895         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
5896
5897 2004-07-07  Per Bothner  <per@bothner.com>
5898
5899         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
5900
5901 2004-07-07  Mike Stump  <mrs@apple.com>
5902
5903         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
5904         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
5905         (machopic_finish): Likewise.
5906
5907 2004-07-07  Richard Henderson  <rth@redhat.com>
5908
5909         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
5910         through any value-preserving cast.
5911
5912 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
5913
5914         * function.c (assign_parm_find_data_types): Call
5915         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
5916
5917 2004-07-07  Steven Bosscher  <stevenb@suse.de>
5918
5919         * tree-cfg.c (group_case_labels): Remove case labels that have
5920         the same target as the default case.
5921
5922 2004-07-07  Steven Bosscher  <stevenb@suse.de>
5923
5924         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
5925         regardless of DECL_LANG_SPECIFIC being present or not.
5926         * tree.h (DECL_NUM_STMTS): Purge.
5927
5928 2004-07-07  Andrew Pinski  <apinski@apple.com>
5929
5930         * configure: Regenerate with the right autoconf.
5931
5932 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
5933
5934         * ifcvt.c (total_bb_rtx_cost): New function.
5935         (find_if_case_1): Compare rtx_cost of basic block to cost of
5936         BRANCH_COST insns.
5937         (find_if_case_2): Same.
5938
5939 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5940
5941         PR target/10567
5942         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
5943         (output_return): Likewise.
5944         (output_sibcall): Abort if !flag_delayed_branch.
5945         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
5946         (emit_and_preserve): New function.
5947         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
5948         indirect jump to the thunked-to function if !flag_delayed_branch.
5949         * config/sparc/sparc.md (delayed_branch): New attribute.
5950         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
5951         attribute to compute the length of the insn.
5952         (goto_handler_and_restore): Likewise.
5953
5954 2004-07-07  Andrew Pinski  <apinski@apple.com>
5955
5956         PR tree-optimization/15777
5957         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
5958
5959         * expr.c (expand_expr_real_1): Fix formating.
5960         BUFFER_REF and IN_EXPR are dead.
5961         * fold-const.c (non_lvalue): BUFFER_REF is dead.
5962         * tree-inline.c (estimate_num_insns_1): Likewise.
5963         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
5964         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
5965         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
5966
5967 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
5968
5969         * collect2.c (dump_file): Don't call cplus_demangle if
5970         HAVE_LD_DEMANGLE is defined.
5971         (main): Pass "--demangle" to ld if no_demangle is not 0 and
5972         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
5973         if HAVE_LD_DEMANGLE is defined.
5974
5975         * configure.ac (--with-demangler-in-ld): Added
5976         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
5977         --with-demangler-in-ld is used.
5978         * config.in: Regenerated.
5979         * configure: Likewise.
5980
5981 2004-07-07  Roger Sayle  <roger@eyesopen.com>
5982
5983         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
5984         for simple floating point operations "fp", double precision
5985         multiplication "dmul", and single and double precision division
5986         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
5987         (ppc630_cost): New table split from ppc620_cost, to distinguish
5988         differences in floating point latencies.
5989         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
5990         (rs6000_rtx_costs): Add support for single and double precision
5991         floating point addition, subtraction, multiplication, division,
5992         fused-multiply-add, fused-multiply-sub, negation, absolute value
5993         and negative absolute value.  Tweak MEM case to use prefered idiom.
5994
5995 2004-07-07  Richard Henderson  <rth@redhat.com>
5996
5997         * tree-flow-inline.h (may_propagate_copy): Move...
5998         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
5999         attempt to copy between types requiring conversion.
6000         * tree-flow.h (may_propagate_copy): Update decl.
6001         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
6002
6003 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
6004
6005         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
6006         from -mtune= option.
6007
6008 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6009
6010         * builtins.c: Rename movstr*, except for movstrict*, to
6011         movmem* and clrstr* to clrmem*.
6012         * expr.c: Likewise.
6013         * expr.h: Likewise.
6014         * genopinit.c: Likewise.
6015         * integrate.c: Likewise.
6016         * local-alloc.c: Likewise.
6017         * optabs.c: Likewise.
6018         * optabs.h: Likewise.
6019         * config/alpha/alpha.h: Likewise.
6020         * config/alpha/alpha.md: Likewise.
6021         * config/arm/arm-protos.h: Likewise.
6022         * config/arm/arm.c: Likewise.
6023         * config/arm/arm.md: Likewise.
6024         * config/avr/avr.md: Likewise.
6025         * config/c4x/c4x.c: Likewise.
6026         * config/c4x/c4x.md: Likewise.
6027         * config/frv/frv.md: Likewise.
6028         * config/i386/i386-protos.h: Likewise.
6029         * config/i386/i386.c: Likewise.
6030         * config/i386/i386.h: Likewise.
6031         * config/i386/i386.md: Likewise.
6032         * config/i860/i860.c: Likewise.
6033         * config/i860/i860.md: Likewise.
6034         * config/ip2k/ip2k.md: Likewise.
6035         * config/ip2k/libgcc.S: Likewise.
6036         * config/ip2k/t-ip2k: Likewise.
6037         * config/m32r/m32r.c: Likewise.
6038         * config/m32r/m32r.md: Likewise.
6039         * config/mcore/mcore.md: Likewise.
6040         * config/mips/mips.c: Likewise.
6041         * config/mips/mips.md: Likewise.
6042         * config/ns32k/ns32k.c: Likewise.
6043         * config/ns32k/ns32k.h: Likewise.
6044         * config/ns32k/ns32k.md: Likewise.
6045         * config/pa/pa.c: Likewise.
6046         * config/pa/pa.md: Likewise.
6047         * config/pdp11/pdp11.h: Likewise.
6048         * config/pdp11/pdp11.md: Likewise.
6049         * config/rs6000/rs6000.c: Likewise.
6050         * config/rs6000/rs6000.md: Likewise.
6051         * config/s390/s390-protos.h: Likewise.
6052         * config/s390/s390.c: Likewise.
6053         * config/s390/s390.md: Likewise.
6054         * config/sh/lib1funcs.asm: Likewise.
6055         * config/sh/sh.c: Likewise.
6056         * config/sh/sh.md: Likewise.
6057         * config/sh/t-sh: Likewise.
6058         * config/sparc/sparc.h: Likewise.
6059         * config/vax/vax.md: Likewise.
6060         * config/xtensa/xtensa.c: Likewise.
6061         * config/xtensa/xtensa.md: Likewise.
6062         * doc/invoke.texi: Likewise.
6063         * doc/md.texi: Likewise.
6064         * doc/rtl.texi: Likewise.
6065
6066 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
6067
6068         PR target/16407
6069         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
6070         * config/mips/mips.c (mips_declare_common_object): New function,
6071         mostly split out from...
6072         (mips_output_aligned_decl_common): ...here.
6073         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
6074         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
6075         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
6076         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
6077
6078 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6079
6080         PR c/16392
6081         * function.c (assign_parms): Fix typo from previous change.
6082
6083 2004-07-07  Jason Merrill  <jason@redhat.com>
6084
6085         PR c++/15815
6086         * doc/extend.texi (C++ Interface): Correct information and
6087         discourage use.
6088
6089 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
6090
6091         PR target/16130
6092         PR target/16142
6093         PR target/16143
6094         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
6095         insn.
6096
6097 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6098
6099         PR target/1679.
6100         * config/m32r/m32r.c (m32r_function_symbol): New function:
6101         Generate a symbol name RTX with the correct m32r specific flags
6102         set.
6103         (block_move_call): Use new function to generate correct symbol.
6104         * config/m32r/m32r-protos.h: Add prototype for new funcion.
6105         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
6106         function.
6107
6108 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6109
6110         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
6111         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
6112         TYPE_BINFO_BASETYPE): Remove.
6113         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
6114         to ...
6115         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
6116         here.
6117         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
6118         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
6119         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
6120         (struct tree_binfo): Rename base_types to base_binfos.
6121         * alias.c (record_component_aliases): Adjust BINFO macros.
6122         * dbxout.c (dbxout_type): Likewise.
6123         * dwarf2out.c (gen_member_die): Likewise.
6124         * sdbout.c (sdbout_one_type): Likewise.
6125         * tree-dump.c (deque_and_dump): Likewise.
6126         * config/i386/i386.c (classify_argument,
6127         contains_128bit_aligned_vector_p): Likewise.
6128
6129 2004-07-07  Nick Clifton  <nickc@redhat.com>
6130
6131         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
6132         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
6133
6134 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6135
6136         * vec.h: Fix the example use.
6137
6138 2004-07-06  Richard Henderson  <rth@redhat.com>
6139
6140         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
6141         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
6142         * tree-inline.c (copy_body_r, setup_one_parameter,
6143         initialize_inlined_parameters, expand_call_inline,
6144         declare_inline_vars): Don't check it.
6145         (expand_calls_inline): Remove old version, rename new version
6146         from gimple_expand_calls_inline.
6147         * tree-optimize.c (execute_gimple): Remove.
6148         (pass_gimple): Don't run anything.
6149
6150 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
6151
6152         * doc/sourcebuild.texi: Use semicolons instead of commas in
6153         section title.
6154
6155 2004-07-06  Richard Henderson  <rth@redhat.com>
6156
6157         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
6158         (sra_walk_modify_expr, scan_init): Likewise.
6159         (generate_element_zero): Check visited before scanning children.
6160         (generate_element_init): Set visited on error.
6161         (scalarize_init): Handle generate_element_init failure similar
6162         to use_block_copy.
6163
6164 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
6165
6166         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
6167         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
6168
6169 2004-07-06  Richard Henderson  <rth@redhat.com>
6170
6171         * config/i386/i386.c (legitimize_pic_address): Make static.
6172         (legitimize_address): Handle CONST with TLS operand.
6173         (ix86_expand_move): Don't call legitimize_pic_address directly.
6174         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
6175
6176 2004-07-06  Roger Sayle  <roger@eyesopen.com>
6177
6178         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
6179         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
6180         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
6181         is currently executed unconditionally, i.e. not in "else_bb".
6182
6183 2004-07-06  Steven Bosscher  <stevenb@suse.de>
6184
6185         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
6186         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6187         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
6188         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6189         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
6190         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6191         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
6192         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6193         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
6194         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6195         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
6196         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6197         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
6198         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6199         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
6200         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
6201
6202 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
6203
6204         * dojump.c (do_jump): REFERENCE_EXPR is dead.
6205         * expr.c (expand_expr_real_1): Ditto.
6206         * tree-inline.c (estimate_num_insns_1): Ditto.
6207         * tree-pretty-print.c (dump_generic_node): Ditto.
6208         (op_symbol): Ditto.
6209         * tree.def: Ditto.
6210
6211 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
6212
6213         * tree-ssa-pre.c (reference_node_pool): New pool.
6214         (find_or_generate_expression): Class 'r' is okay too.
6215         (create_value_expr_from): Ditto.
6216         (add_to_sets): LHS should not include vuses.
6217         (eliminate): Ditto.
6218         (compute_avail): Reverse ordering of tests.
6219         Valuize INDIRECT_REF as well.
6220
6221 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
6222
6223         PR rtl-optimization/16380
6224         * loop.c (check_dbra_loop): Sink comparison instructions if they
6225         do something other than set cc0.
6226
6227 2004-07-06  James E Wilson  <wilson@specifixinc.com>
6228
6229         * doc/interface.texi (longjmp and automatic variables): Delete
6230         paragraph recommending taking the address of a variable.
6231
6232 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
6233
6234         * vec.h (VEC_embedded_alloc): Remove.
6235         (VEC_embedded_size, VEC_embedded_init): New.
6236         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
6237         MEM_STAT_INFO.
6238         (VEC_truncate): New.
6239         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
6240         (vec_embedded_alloc): Remove.
6241         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
6242         (vec_embedded_alloc): Remove.
6243
6244 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
6245
6246         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
6247         (gt-langhooks.h): Remove.
6248
6249 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
6250
6251         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
6252
6253 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
6254
6255         * config/sparc/sparc.c (get_pc_symbol): Rename into
6256         add_pc_to_pic_symbol.
6257         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
6258         (load_pic_register): Account for previous changes.
6259         Use reg_names.  Don't create the label twice.
6260         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
6261         UNSPEC_LOAD_PCREL_SYM.
6262         (get_pc): Rename into load_pcrel_sym.  Add predicate to
6263         operands.  Remove condition.
6264
6265 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
6266
6267         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
6268         RECORD, UNION & QUAL_UNION is actually a binfo.
6269
6270         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
6271         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
6272         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
6273         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
6274         * dwarf2out.c (add_data_member_location_attribute): Likewise.
6275         (gen_inheritance_die): Likewise.
6276         * tree-dump.c (deque_and_dump): Likewise.
6277         * doc/c-tree.texi (Binfos): Add under reconstruction note.
6278
6279 2004-07-06  Steven Bosscher  <stevenb@suse.de>
6280
6281         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
6282         Define.
6283         * config/mcore/mcore.md: Model memory latency with a simple DFA
6284         pipeline description instead of a define_function_unit.
6285
6286 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6287
6288         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
6289         * langhooks.h (var_mod_type_p): Likewise.
6290         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
6291         * expr.c (count_type_elements): Properly handle return from
6292         array_type_nelts and properly test for overflow.
6293         * gimplify.c (gimplify_init_constructor): Properly handle return
6294         from array_type_nelts.
6295         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
6296         * integrate.c (copy_decl_for_inlining): Correct comments.
6297         * tree-inline.c (remap_decl): Update comments, remove dead code,
6298         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
6299         (remap_type): Only remap if variably modified by vars in function
6300         being inlined.
6301         (copy_body_r): Use compatible_type langhooks to see when can fold.
6302         (setup_one_parameter): Don't remap type.
6303         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
6304         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
6305         compute TREE_INVARIANT for decl case.
6306         (find_var_from_fn): New function.
6307         (variably_modified_type_p): Add arg and call new function.
6308         * tree.h (variably_modified_type_p): Add extra arg.
6309
6310 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6311
6312         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
6313         (goto_handler_and_restore_v9): Delete disabled insn.
6314         (goto_handler_and_restore_v9_sp64): Likewise.
6315
6316 2004-07-05  Roger Sayle  <roger@eyesopen.com>
6317
6318         * calls.c (load_register_parameters): Call expand_shift instead
6319         of expand_binop with ashl_optab (or other shift optab) directly.
6320         * expr.c (emit_group_load, emit_group_store): Likewise.
6321         * function.c (assign_parm_setup_block): Likewise.
6322         * stmt.c (shift_return_value): Likewise.
6323
6324 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
6325
6326         * expr.c (expand_assignment): Disable the bitfield += optimizations.
6327
6328 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6329
6330         * doc/sourcebuild.texi: Revert previous patch.
6331
6332 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6333
6334         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
6335         TARGET_MEM_FUNCTIONS.
6336         * system.h: Poison TARGET_MEM_FUNCTIONS.
6337         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
6338         bcmp_libfunc, bzero_libfunc): Remove.
6339         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
6340         bzero_libfunc.
6341         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
6342         * doc/standards.texi: Don't mention calling BSD string functions.
6343         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
6344         * config/vax/t-memfuncs: New.
6345         * config/memcmp.c, config/memcpy.c, config/memmove.c,
6346         config/memset.c: New.
6347         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
6348         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
6349         vax/t-memfuncs.
6350         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
6351         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
6352         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
6353         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
6354         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
6355         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
6356         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
6357         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
6358         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
6359         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
6360
6361 2004-07-05  Richard Henderson  <rth@redhat.com>
6362
6363         * function.c (assign_parm_setup_reg): Properly rename variables in
6364         FUNCTION_ARG_CALLEE_COPIES section.
6365
6366 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
6367
6368         * tree-mudflap.c: Include cgraph.h.
6369         (mf_init_extern_trees): Rename to mudflap_init.  Export.
6370         Rewrite to create synthetic declarations instead of looking
6371         up declarations from mf-runtime.h.
6372         (mf_make_builtin, mf_make_cache_struct_type): New functions.
6373         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
6374         Correct commentary.
6375         (execute_mudflap_function_decls, mudflap_register_call):
6376         Don't call mf_init_extern_trees.
6377         (mudflap_finish_file): Use cgraph_build_static_cdtor.
6378
6379         * tree-mudflap.h: Update prototypes.
6380         * c-mudflap.c: Delete file.
6381         * c-common.c: Include tree-mudflap.h.
6382         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
6383         * Makefile.in: Remove all references to c-mudflap.o.
6384         Update dependencies.
6385
6386 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6387
6388         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
6389         displacements with the spatial-locality cache-control completer.
6390
6391 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
6392
6393         * langhooks.c: Don't include gt-langhooks.h.
6394         (var_labelno): Delete.
6395         (lhd_set_decl_assembler_name): Do not append a distinguishing
6396         number to file-scope internal-linkage declarations for the first
6397         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
6398         the declaration itself (if at block scope), or its containing
6399         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
6400         number.
6401
6402         * opts.c (cur_in_fname): New global.
6403         * opts.h: Declare it.
6404         * tree.c: Include opts.h.
6405         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
6406         DECL_UID equal to cur_in_fname.
6407         (copy_node_stat): Do not change DECL_UID when copying a
6408         TRANSLATION_UNIT_DECL.
6409         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
6410         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
6411
6412         * c-decl.c (c_static_assembler_name): Delete.
6413         * c-tree.h (c_static_assembler_name): Delete prototype.
6414         * c-lang.c, objc/objc-lang.c: Don't override
6415         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
6416
6417         * Makefile.in (tree.o): Update dependencies.
6418         (GTFILES): Remove langhooks.c.
6419
6420 2004-07-05  Roger Sayle  <roger@eyesopen.com>
6421
6422         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
6423         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
6424         Normalize "X % C" as "X % -C" for signed modulus and negative C.
6425         Optimize "X % -Y" as "X % Y" for signed modulus.
6426         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
6427         into "((unsigned) X % Y) == 0".
6428
6429 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6430
6431         * sourcebuild.texi (Config Fragments): Use @comma{} in
6432         cross-reference to section title.
6433
6434 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6435
6436         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
6437         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
6438         (gimplify_target_expr, gimplify_expr): Likewise.
6439         (copy_if_shared_r): No longer need special case for BIND_EXPR.
6440         (unshare_body, unvisit_body): Only look at nested if BODY_P is
6441         whole function.
6442         (gimplify_compound_lval): See if we can strip any useless conversion.
6443         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
6444         from RHS, not LHS.
6445         (gimplify_modify_expr_to_memset): Likewise.
6446         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
6447         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
6448         (declare_inline_vars): Likewise.
6449         (walk_type_fields): New function.
6450         (walk_tree): Use it.
6451         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
6452
6453         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
6454         (sra_walk_modify_expr): Allow init function to fail.
6455         (scan_init): Now returns bool.
6456         (generate_element_init): If can't understand INIT, return false.
6457         (scalarize_init): Return false if generate_element_init does.
6458
6459         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
6460         print bounds.
6461
6462         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
6463         bounds if bounds aren't constant.
6464
6465         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
6466
6467         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
6468         to type hooks; remove bogus PARAMS.
6469
6470 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
6471
6472         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
6473         * dwarf2out.c (add_data_member_location_attribute): Check for
6474         TREE_BINFO.
6475         * tree.c (tree_node_kinds): Add "binfos".
6476         (binfo_lang_slots): New.
6477         (make_node_stat): Add TREE_BINFO.
6478         (make_tree_binfo_stat): New.
6479         (tree_node_structure): Add TREE_BINFO.
6480         * tree.def (TREE_BINFO): New.
6481         * tree.h (REC_OR_UNION_CHECK): Rename to ...
6482         (RECORD_OR_UNION_CHECK): ... here.
6483         (NOT_RECORD_OR_UNION_CHECK): New.
6484         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
6485         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
6486         RECORD_OR_UNION_CHECK.
6487         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
6488         (TYPE_LANG_SLOT_1): New.
6489         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
6490         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
6491         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
6492         (BINFO_ELTS): Remove.
6493         (BINFO_LANG_SLOT): New.
6494         (struct tree_binfo): New.
6495         (binfo_lang_slots): Declare.
6496         (enum tree_node_structure_enum): Add TS_BINFO.
6497         (union tree_node): Add binfo.
6498         (make_tree_binfo_stat): Declare.
6499         (make_tree_binfo): New.
6500         (enum tree_node_kind): Add binfo_kind.
6501
6502         * objc/objc-act.c (start_class, objc_declare_protocols,
6503         start_protocols): Use TYPE_LANG_SLOT_1.
6504         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
6505         to ...
6506         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
6507         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
6508         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
6509         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
6510
6511 2004-07-05  Steven Bosscher  <stevenb@suse.de>
6512
6513         * rtl.h (struct rtx_def): Remove the integrated flag.
6514         Use the return_val flag for MEM_SCALAR_P.
6515         Reshuffle and update flags in CLEAR_RTX_FLAGS.
6516
6517 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
6518
6519         PR target/16357
6520         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
6521         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
6522         move_by_pieces.
6523
6524 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
6525
6526         * var-tracking.c: Fix some comments.
6527         (frame_stack_adjust): New.
6528         (vt_stack_adjustments): Init stack_adjust of entry block to
6529         minus stack adjustment of function prologue.
6530         (adjust_stack_reference): Do not adjust if adjustment == 0.
6531         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
6532         (emit_notes_in_bb): Likewise.
6533         (vt_add_function_parameters): Do not adjust locations of
6534         function arguments.
6535         (vt_initialize): Compute the stack adjustment of function
6536         prologue and offset the initial "location" of frame_base_decl
6537         from the stack pointer after prologue.
6538
6539 2004-07-04  Richard Henderson  <rth@redhat.com>
6540
6541         * function.c (struct assign_parm_data_all): New.
6542         (struct assign_parm_data_one): New.
6543         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
6544         assign_parm_find_data_types, assign_parms_setup_varargs,
6545         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
6546         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
6547         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
6548         assign_parm_setup_block, assign_parm_setup_reg,
6549         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
6550         (assign_parms): ... here.
6551
6552 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
6553
6554         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
6555         now are bitmap_set_t's.
6556         (bitmap_insert_into_set): No point in inserting the value if
6557         it's invariant.
6558         (bitmap_set_contains): New function.
6559         (bitmap_set_replace_value): Add comment on why we do it
6560         this way.
6561         (set_contains): Removed.
6562         (bitmap_set_subtract_from_value_set): New name of
6563         set_subtract now that it's arguments are two different
6564         types of sets.
6565         Update callers.
6566         (bitmap_find_leader): Change algorithm used.
6567         (find_or_generate_expression): Update use of functions for new
6568         bitmap sets.
6569         (create_expression_by_pieces): Ditto.
6570         (insert_aux): Ditto.
6571         (insert): Ditto.
6572         (add_to_sets): Ditto.
6573         (init_pre): Ditto.
6574         (execute_pre): Ditto.
6575         (compute_avail): Ditto.
6576         Also ignore virtual phis.
6577
6578 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
6579
6580         * combine.c (simplify_comparison): Fix comment typo.
6581
6582 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6583
6584         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
6585         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
6586         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
6587         (output_restore): Change parameter from 'insn' to 'pat'.
6588         (output_return): Adjust call to output_restore.
6589         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
6590         Adjust call to output_restore.
6591
6592 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
6593
6594         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
6595         and assert system is bsd.
6596
6597 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
6598
6599         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
6600         (TARGET_SWITCHES): Remove -mdebugc.
6601         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
6602         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
6603         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
6604         (sle_[sd]i_reg): Delete.
6605
6606 2004-07-04  Steven Bosscher  <stevenb@suse.de>
6607
6608         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
6609         Define.
6610         * config/iq2000/iq2000.md: Translate old pipeline description to an
6611         equivalent new one.
6612
6613 2004-07-04  Roger Sayle  <roger@eyesopen.com>
6614
6615         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
6616         Ensure the replacement rhs is valid gimple before performing
6617         the substitution.  Return false if these sanity checks fail.
6618         (fold_stmt): Only set changed to true, if set_rhs returns true.
6619         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
6620         succeeds.
6621
6622 2004-07-04  Richard Henderson  <rth@redhat.com>
6623
6624         PR c/16348
6625         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
6626
6627 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
6628
6629         * configure.ac (ranlib_flags): New variable.
6630         * Makefile.in (RANLIB_FLAGS): New variable.
6631         (libbackend.a): Use it.
6632         * configure: Regenerated.
6633
6634 2004-07-04  Roger Sayle  <roger@eyesopen.com>
6635
6636         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
6637         a "sign mask" instead of using ashr_optab directly.
6638
6639 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
6640
6641         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
6642         * doc/cppopts.texi: Clarify processing of command-line defines.
6643
6644 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
6645
6646         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
6647
6648 2004-07-04  Richard Henderson  <rth@redhat.com>
6649
6650         * rtl.def (ADDRESSOF): Remove.
6651         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
6652         (find_base_term, memrefs_conflict_p): Likewise.
6653         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
6654         (fold_rtx, cse_insn, set_live_p): Likewise.
6655         * dwarf2out.c (mem_loc_descriptor): Likewise.
6656         (add_location_or_const_value_attribute): Likewise.
6657         * emit-rtl.c (copy_insn_1): Likewise.
6658         * explow.c (memory_address): Likewise.
6659         * expmed.c (store_split_bit_field): Likewise.
6660         * expr.c (expand_expr_real_1): Likewise.
6661         * function.c (instantiate_decl
6662         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
6663         * genrecog.c (preds, validate_pattern): Likewise.
6664         * integrate.c (copy_rtx_and_substitute): Likewise.
6665         * recog.c (general_operand, register_operand): Likewise.
6666         (memory_address_p): Likwise.
6667         * reload1.c (eliminate_regs, elimination_effects): Likewise.
6668         * rtl.c (copy_rtx): Likewise.
6669         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
6670         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
6671         * rtlhooks.c (gen_lowpart_general): Likewise.
6672         * stmt.c (expand_asm_operands): Likewise.
6673         * web.c (entry_register, replace_ref, web_main): Likewise.
6674         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
6675         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6676         * config/arm/arm.c (thumb_rtx_costs): Likewise.
6677         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
6678         * config/frv/frv.c (move_destination_operand, move_source_operand,
6679         condexec_dest_operand, condexec_source_operand,
6680         condexec_memory_operand): Likewise.
6681         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
6682         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
6683         (destination_xfmode_operand): Likewise.
6684         * config/mips/mips.h (PREDICATE_CODES): Likewise.
6685         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
6686         * config/s390/s390.c (general_s_operand): Likewise.
6687         * config/s390/s390.md (mov*): Likewise.
6688         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
6689
6690         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
6691         * expr.c (expand_expr_real_1): Likewise.
6692         * stmt.c (expand_decl): Likewise.
6693         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6694
6695         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
6696         postponed_insns, put_var_into_stack, put_reg_into_stack,
6697         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
6698         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
6699         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
6700         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
6701         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
6702         purge_bitfield_addressof_replacements, purge_addressof_replacements,
6703         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
6704         struct insns_for_mem_walk_info, insns_for_mem_walk,
6705         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
6706         setjmp_protect_args): Remove.
6707         (push_function_context_to): Don't handle var_refs_queue.
6708         (pop_function_context_from, free_after_compilation): Likewise.
6709         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
6710         (assign_parms, allocate_struct_function): Likewise.
6711         (use_register_for_decl): New.
6712         (expand_function_end): Don't setjmp_protect.
6713         * function.h (struct emit_status): Update commentary.
6714         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
6715         (max_parm_reg, parm_reg_stack_loc): Remove.
6716         * passes.c (DFI_addressof): Remove.
6717         (dump_file_info): Remove addressof.
6718         (rest_of_handle_addressof): Remove.
6719         (rest_of_compilation): Don't call it.
6720         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
6721         * stmt.c (expand_decl): Use use_register_for_decl.
6722         * tree.h: Update decls.
6723         * web.c (mark_addressof): Remove.
6724         * doc/invoke.texi (-dF): Remove.
6725
6726 2004-07-03  Richard Henderson  <rth@redhat.com>
6727
6728         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
6729         instead of gen_mem_addressof.
6730         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
6731         TImode output register.
6732
6733 2004-07-03  Richard Henderson  <rth@redhat.com>
6734
6735         PR tree-optimization/16341
6736         * tree-sra.c (sra_walk_function): Increment to next stmt before
6737         processing the current stmt.
6738         (sra_insert_after): Always use BSI_SAME_STMT.
6739
6740 2004-07-03  Richard Henderson  <rth@redhat.com>
6741
6742         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
6743         fp plus with minus.
6744
6745 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6746
6747         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
6748         with tree_int_cst_equal.
6749
6750 2004-07-03  Andreas Schwab  <schwab@suse.de>
6751
6752         * config/ia64/ia64.md: Define new attribute "empty".
6753         (prologue_use, nop_x, insn_group_barrier): Set it.
6754
6755         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
6756         skip over "empty" insns.
6757
6758 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6759
6760         * tree-inline.c (initialize_inlined_parameters): Pass proper function
6761         context to gimplify_body.
6762         (walk_tree): Don't walk into types twice.
6763         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
6764
6765         * tree-sra.c (generate_element_init): Remove any useless conversions.
6766
6767         * gimplify.c (gimplify_conversion): Remove stripping useless
6768         conversions from here.
6769         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
6770         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
6771         Unshare before substituting PLACEHOLDER_EXPR.
6772         (gimplify_modify_expr_to_memset): Likewise.
6773         Pass address of TO to memset, not TO itself.
6774         (gimplify_init_constructor): Make copy of OBJECT so we have it each
6775         time we make an expression (to match a PLACEHOLDER_EXPR).
6776
6777         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
6778         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
6779         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
6780         * tree-ssa-dom.c (local_fold): Likewise.
6781
6782         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
6783         * langhooks.h (strct lang_hooks): New field type_max_size.
6784         * function.c (assign_temp): Call it.
6785
6786 2004-07-03  Steven Bosscher  <stevenb@suse.de>
6787
6788         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
6789         * config/sh/sh.md: Convert the SH1 pipeline description to
6790         a DFA model.
6791
6792 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
6793
6794         * c-decl.c (struct c_binding): Remove contour field; add
6795         depth, invisible, nested fields.
6796         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
6797         (B_IN_EXTERNAL_SCOPE): New convenience macros.
6798         (bind): Add invisible and nested arguments. Initialize
6799         new fields of struct c_binding; adjust loop scanning for
6800         insertion point.
6801         (free_binding_and_advance): Clear structure with memset.
6802         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
6803         in file scope, even if it's in external scope too.
6804         (pushdecl): Adjust to match.  Create invisible file-scope
6805         declarations for block-scope forward declarations of static functions.
6806         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
6807         (undeclared_variable, lookup_label, declare_label, define_label)
6808         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
6809         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
6810         (store_parm_decls_oldstyle): Adjust to match.
6811         (diagnose_mismatched_decls): Correct handling of linkage clashes.
6812         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
6813
6814         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
6815         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
6816
6817 2004-07-02  Richard Henderson  <rth@redhat.com>
6818
6819         * c-decl.c (grokdeclarator): Don't frob current_function_decl
6820         around variable_size.
6821         (set_decl_nonlocal): Remove.
6822         (store_parm_decls): Add stmts for pending sizes.
6823         * calls.c (calls_function, calls_function_1): Remove.
6824         (precompute_arguments): Don't call it.
6825         * cfgexpand.c (set_save_expr_context): Remove.
6826         (tree_expand_cfg): Don't call it.
6827         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
6828         (dwarf2out_finish): Likewise.
6829         * expr.c (emit_block_move): Adjust addresses to BLKmode.
6830         (store_constructor): Don't pre-evaluate SAVE_EXPR.
6831         (safe_from_p): Don't queue SAVE_EXPRs.
6832         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
6833         or build plain VAR_DECLs.
6834         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
6835         (fold): Likewise.
6836         (fold_checksum_tree): Don't special-case SAVE_EXPR.
6837         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
6838         (put_var_into_stack): Don't handle SAVE_EXPR.
6839         (gen_mem_addressof): Likewise.
6840         * function.h (struct function): Remove x_save_expr_regs.
6841         (save_expr_regs): Remove.
6842         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
6843         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
6844         * stor-layout.c (variable_size): Don't set it.
6845         (force_type_save_exprs, force_type_save_exprs_1): Remove.
6846         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
6847         all callers.  Don't set SAVE_EXPR_CONTEXT.
6848         * tree-inline.h (remap_save_expr): Update decl.
6849         * tree.c (save_expr): Update build size.
6850         (first_rtl_op): Don't handle SAVE_EXPR.
6851         (unsave_expr_1, contains_placeholder_p): Likewise.
6852         (decl_function_context): Likewise.
6853         * tree.def (SAVE_EXPR): Remove args 1 and 2.
6854         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
6855         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
6856
6857 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6858
6859         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
6860         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
6861         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
6862         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
6863         some first-person references and patronizing comments.  Based on
6864         printed manual.
6865         * doc/invoke.texi: Don't reference fortran@gnu.org.
6866         * doc/trouble.texi (Warning when a non-void function value is
6867         ignored): Rewrite.  From Russ Allbery and Chris Devers.
6868
6869 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
6870
6871         * tree-ssa-pre.c (bitmap_set_t): New.
6872         (bb_value_sets): avail_out is now a bitmap_set_t.
6873         (bitmap_find_leader): New function.
6874         (bitmap_value_insert_into_set): Ditto.
6875         (bitmap_set_copy): Ditto.
6876         (bitmap_value_replace_in_set): Ditto.
6877         (bitmap_set_contains_value): Ditto.
6878         (bitmap_set_new): Ditto.
6879         (bitmap_set_pool): New pool.
6880         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
6881         (insert_aux): Ditto.
6882         (add_to_sets): Ditto.
6883         (compute_avail): Ditto
6884         (eliminate): Ditto.
6885         (init_pre): Ditto.
6886         (fini_pre): Ditto.
6887         (execute_pre): Ditto.
6888
6889 2004-07-02  Roger Sayle  <roger@eyesopen.com>
6890
6891         * config/rs6000/rs6000.c (struct processor_costs): New structure
6892         used to hold instruction latencies/sizes for processor types.
6893         (rs6000_cost): New global variable pointing to current CPU's costs.
6894         (rs6000_override_options): Initialize rs6000_cost to point to the
6895         appropriate cost table based upon rs6000_cpu and optimize_size.
6896         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
6897         timings inline.
6898
6899 2004-07-02  Richard Henderson  <rth@redhat.com>
6900
6901         * expmed.c (make_tree): Don't use SET_DECL_RTL.
6902
6903 2004-07-02  Steven Bosscher  <stevenb@suse.de>
6904
6905         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
6906
6907 2004-07-01  Richard Henderson  <rth@redhat.com>
6908
6909         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
6910         (alpha_gp_save_rtx): Use assign_stack_local instead of
6911         gen_mem_addressof.
6912
6913 2004-07-01  Richard Henderson  <rth@redhat.com>
6914
6915         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
6916         (alpha_rtx_cost_data): Update to match.
6917         (alpha_rtx_cost_size): New.
6918         (alpha_rtx_costs): Honor optimize_size.
6919
6920 2004-07-01  Richard Henderson  <rth@redhat.com>
6921
6922         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
6923         * cfgexpand.c (tree_expand_cfg): Do it here.
6924         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
6925         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
6926         * config/mips/mips.c (mips_output_mi_thunk): And here.
6927         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
6928         * config/sh/sh.c (sh_output_mi_thunk): And here.
6929         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
6930
6931 2004-07-01  Richard Henderson  <rth@redhat.com>
6932
6933         * tree.def (RTL_EXPR): Remove.
6934         * c-typeck.c (lvalue_p): Don't handle it.
6935         * expr.c (safe_from_p): Likewise.
6936         (expand_expr_real_1): Likewise.
6937         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
6938         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
6939         * gengtype.c (adjust_field_tree_exp): Likewise.
6940         * stmt.c (warn_if_unused_value): Likewise.
6941         * tree-gimple.c (recalculate_side_effects): Likewise.
6942         * tree-pretty-print.c (dump_generic_node): Likewise.
6943         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
6944         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
6945         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
6946
6947         * stmt.c (struct stmt_status): Remove x_last_expr_type,
6948         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
6949         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
6950         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
6951         all the bits that tracked last_expr.
6952         (expand_end_bindings): Don't track last_expr.
6953         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
6954         (clear_last_expr): Remove.
6955         (expand_asm): Don't call it.
6956         (expand_asm_operands, expand_end_cond): Likewise.
6957         (expand_naked_return, expand_null_return_1): Likewise.
6958         * c-typeck.c (c_begin_compound_stmt): Likewise.
6959         * cfgexpand.c (expand_block): Use expand_expr_stmt.
6960         * expr.c (expand_expr_real_1): Likewise.
6961         * tree.h: Update prototypes.
6962
6963         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
6964         (struct emit_status): Remove sequence_rtl_expr.
6965         (struct function): Remove x_rtl_expr_chain.
6966         (seq_rtl_expr, rtl_expr_chain): Remove.
6967         * function.c (struct temp_slot): Remove rtl_expr.
6968         (assign_stack_temp_for_type): Don't set it.
6969         (free_temp_slots, pop_temp_slots): Don't check it.
6970         (free_after_compilation): Don't clear x_rtl_expr_chain.
6971         (fixup_var_refs): Don't search it.
6972         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
6973         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
6974         or seq_rtl_expr.
6975         (push_topmost_sequence): Likewise.
6976         (end_sequence, init_emit): Likewise.
6977         (start_sequence_for_rtl_expr): Remove.
6978         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
6979         * rtl.h (preserve_rtl_expr_result): Remove.
6980
6981 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
6982
6983         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
6984         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
6985         typos.
6986
6987 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6988
6989         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
6990         (STANDARD_STARTFILE_PREFIX_2): Define.
6991         (standard_startfile_prefix_1): Initialize to
6992         STANDARD_STARTFILE_PREFIX_1.
6993         (standard_startfile_prefix_2): Initialize to
6994         STANDARD_STARTFILE_PREFIX_2.
6995         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
6996         (STANDARD_STARTFILE_PREFIX_1): Define.
6997         (STANDARD_STARTFILE_PREFIX_2): Define.
6998         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
6999         (STANDARD_STARTFILE_PREFIX_2): Document.
7000
7001 2004-07-01  Richard Henderson  <rth@redhat.com>
7002
7003         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
7004         in order to disable scalarization.  Instead set a flag and wait
7005         for a candidate decl.
7006
7007 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
7008
7009         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
7010         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
7011         Use terminology "testsuite" and "enumerated".
7012
7013 2004-07-01  Richard Henderson  <rth@redhat.com>
7014
7015         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
7016         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
7017         (initial_return_save): Likewise.
7018         (flush_queued_reg_saves): Remap register numbers.
7019         (dwarf2out_return_reg): Likewise.
7020
7021 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7022
7023         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
7024
7025         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
7026         access functions for lower bound and element size and only output
7027         if lower bound nonzero or element size not same as that of type.
7028         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
7029
7030 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7031
7032         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
7033
7034 2004-07-01  Per Bothner  <per@bothner.com>
7035
7036         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
7037
7038 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
7039
7040         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
7041         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
7042         first operand.  Don't optimize if the bitfield is volatile.
7043
7044 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7045
7046         * c-pretty-print.c (pp_c_postfix_expression): Handle
7047         floating-point comparison operators.
7048         (pp_c_expression): Pass floating-point comparison
7049         operators to pp_c_postfix_expression.
7050
7051 2004-07-01  Roger Sayle  <roger@eyesopen.com>
7052
7053         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
7054         rtx_cost instead of "had_mult" to determine whether the transformed
7055         expression is cheaper than the original.
7056
7057 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
7058
7059         * alias.c (get_alias_set, canon_rtx, get_addr,
7060         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
7061         Use MEM_P.
7062         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
7063         expand_builtin): Likewise.
7064         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
7065         Likewise.
7066         * combine.c (can_combine_p, combinable_i3pat, try_combine,
7067         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
7068         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
7069         record_dead_and_set_regs_1, get_last_value_validate,
7070         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
7071         * cse.c (check_dependence, canon_hash, equiv_constant,
7072         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
7073         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
7074         count_reg_usage): Likewise.
7075         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
7076         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
7077         cselib_record_sets): Likewise.
7078         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
7079         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
7080         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
7081         * df.c (df_uses_record): Likewise.
7082         * dojump (do_jump): Likewise.
7083         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
7084         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
7085         decl_start_label): Likewise.
7086         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
7087         operand_subword, change_address_1, make_safe_from): Likewise.
7088         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
7089         stabilize, force_not_mem): Likewise.
7090         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
7091         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
7092         * expr.c (convert_move, convert_modes, emit_block_move,
7093         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
7094         emit_move_insn_1, expand_assignment, store_expr,
7095         store_constructor_field, store_constructor, store_field,
7096         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
7097         Likewise.
7098         * final.c (cleanup_subreg_operands, alter_subreg,
7099         get_mem_expr_from_op): Likewise.
7100         * flow.c (notice_stack_pointer_modification_1,
7101         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
7102         Likewise.
7103         * function.c (mark_temp_addr_taken, preserve_temp_slots,
7104         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
7105         optimize_bit_field, flush_addressof, purge_addressof_1,
7106         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
7107         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
7108         keep_stack_depressed): Likewise.
7109         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
7110         noce_process_if_block, find_memory): Likewise.
7111         * integrate.c (subst_constants, allocate_initial_values): Likewise.
7112         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
7113         update_equiv_regs): Likewise.
7114         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
7115         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
7116         * optabs.c (expand_abs, emit_unop_insn): Likewise.
7117         * passes.c (rest_of_handle_final): Likewise.
7118         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
7119         move2add_note_store): Likewise.
7120         * ra-build.c (detect_remat_webs): Likewise.
7121         * ra-debug.c (dump_static_insn_cost): Likewise.
7122         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
7123         * recog.c (validate_change, apply_change_group, cancel_changes,
7124         validate_replace_rtx_1, general_operand, register_operand,
7125         nonmemory_operand, push_operand, pop_operand, memory_operand,
7126         indirect_operand, asm_operand_ok, offsettable_memref_p,
7127         offsettable_nonstrict_memref_p, constrain_operands,
7128         store_data_bypass_p): Likewise.
7129         * reg-stack.c (subst_stack_regs_pat): Likewise.
7130         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
7131         copy_cost, reg_scan_mark_refs): Likewise.
7132         * regmove.c (optimize_reg_copy_3, stack_memref_p,
7133         combine_stack_adjustments_for_block): Likewise.
7134         * regrename.c (copyprop_hardreg_forward_1): Likewise.
7135         * reload.c (can_reload_into, push_reload, decompose, immune_p,
7136         find_reloads, find_reloads_address, find_reloads_address_1,
7137         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
7138         find_equiv_reg): Likewise.
7139         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
7140         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
7141         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
7142         delete_address_reloads): Likewise.
7143         * resource.c (mark_referenced_resources): Likewise.
7144         * rtlanal.c (get_jump_table_offset, count_occurrences,
7145         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
7146         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
7147         num_sign_bit_copies1): Likewise.
7148         * rtlhooks.c (gen_lowpart_general): Likewise.
7149         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
7150         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
7151         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
7152         sdbout_global_decl): Likewise.
7153         * simplify-rtx.c (simplify_subreg): Likewise.
7154         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
7155         expand_anon_union_decl, expand_end_case_type): Likewise.
7156         * unroll.c (calculate_giv_inc): Likewise.
7157         * var-tracking.c (stack_adjust_offset_pre_post,
7158         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
7159         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
7160         vt_add_function_parameters): Likewise.
7161         * varasm.c (make_var_volatile, notice_global_symbol,
7162         assemble_external, decode_addr_const, mark_weak,
7163         default_encode_section_info): Likewise.
7164
7165 2004-07-01  Steven Bosscher  <stevenb@suse.de>
7166
7167         * stmt.c (check_seenlabel): Remove.
7168         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
7169
7170 2004-07-01  Richard Henderson  <rth@redhat.com>
7171
7172         * function.h (struct function): Remove x_function_call_count.
7173         (function_call_count): Remove.
7174         * calls.c (expand_call): Don't set it.
7175         * integrate.c (copy_rtx_and_substitute): Likewise.
7176
7177         * function.h (struct function): Remove x_cleanup_label.
7178         (cleanup_label): Remove.
7179         * stmt.c (expand_value_return): Don't use it.
7180         * function.c (free_after_compilation): Don't set it.
7181         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
7182         * cfgexpand.c (tree_expand_cfg): Update call.
7183         * tree.h (expand_function_start): Update decl.
7184
7185 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
7186
7187         PR c/1027
7188         * c-lang.c (c_initialize_diagnostics): Move from here ...
7189         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
7190         (c_tree_printer): Use pretty-printer to format %T.
7191         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
7192         before '*' if not C++.
7193         (pp_c_direct_abstract_declarator): Don't try to print array upper
7194         bound for flexible array members.
7195         * c-tree.h: Include "diagnostic.h".
7196         (c_initialize_diagnostics): Declare.
7197         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
7198         * c-format.c (format_type_warning): New function.  Improve
7199         diagnostics for incorrect format argument types.
7200         (check_format_types): Use it.  Add two parameters.  Use the
7201         TYPE_MAIN_VARIANT of wanted_type.
7202         (check_format_info_main): Pass new parameters to
7203         check_format_types.
7204         (struct format_wanted_type): Update comment.
7205
7206 2004-07-01  Nick Clifton  <nickc@redhat.com>
7207
7208         * target.h (struct gcc_target): Add new field to struct cxx:
7209         import_export_class.
7210         * target-def.h (TARGET_CXX): Initialise the new field.
7211         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
7212         the new field.
7213         * doc/tm.texi: Document the new target hook.
7214
7215 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7216
7217         * builtins.c (fold_builtin_classify): Fix typo.
7218
7219 2004-07-01  Richard Henderson  <rth@redhat.com>
7220
7221         * function.c (identify_blocks, identify_blocks_1): Remove.
7222         * function.h (identify_blocks): Remove.
7223         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
7224
7225 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
7226
7227         * builtins.c (fold_builtin_classify): New.
7228         (fold_builtin_unordered_cmp): Fix commentary.
7229         (fold_builtin): Use it.
7230         * builtins.def: Define builtins for isnan,
7231         isnanf, isnanl, finite, finitef, finitel,
7232         isinf, isinff, isinfl.
7233
7234 2004-07-01  Richard Henderson  <rth@redhat.com>
7235
7236         * function.h (struct function): Remove dont_emit_block_notes.
7237         * gimple-low.c (lower_function_body): Don't set it.
7238         * cfgexpand.c (expand_block): Don't check it.
7239         * cfglayout.c (insn_locators_initialize): Likewise.
7240         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
7241         * passes.c (rest_of_compilation): Likewise.
7242         * stmt.c (expand_start_bindings_and_block): Likewise.
7243         (expand_end_bindings): Likewise.
7244
7245 2004-07-01  Richard Henderson  <rth@redhat.com>
7246
7247         * cgraph.h (cgraph_build_static_cdtor): Declare.
7248         * cgraphunit.c (cgraph_build_static_cdtor): New.
7249         * c-objc-common.c (build_cdtor): Use it.
7250         * coverage.c (create_coverage): Likewise.
7251         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
7252         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
7253
7254 See ChangeLog.11 for earlier changes.